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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 2889. Отображено 100.
01-01-2015 дата публикации

Liquid Crystal Display Device

Номер: US20150002784A1
Автор: Oohira Eiji
Принадлежит:

A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side. 1. A liquid crystal display device comprising:a LCD panel in which a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side;a frame which surrounds the LCD panel and has a first opening having a first side, a second side, a third side, and a fourth side;a planar light source which is disposed on the rear surface side of the LCD panel in the first opening;a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel; andan adhesive layer which has a second opening formed along the first side, second side, third side, and the fourth side of the frame;wherein a front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side.2. The liquid crystal display device according to claim 1 , wherein the front surface side of the adhesive layer is adhered to the LCD panel along the first side claim 1 , the second side claim 1 , and the third side claim 1 , and the rear ...

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Номер записи: 1
01-01-2015 дата публикации

METHOD FOR PREPARING LIQUID CRYSTAL DISPLAY PANEL, DISPLAY DEVICE AND MONOCHROMATIC QUANTUM DOT LAYER

Номер: US20150002788A1
Автор: Dong Xue, Guo Renwei
Принадлежит:

A process for manufacturing a liquid crystal display panel, a display device and a monochromatic quantum dot layer are disclosed; in the liquid crystal display panel, a plurality of pixel units are defined on the liquid crystal display panel, each pixel unit having sub-pixel units displaying different colors, at a position of the apposing substrate or the array substrate corresponding to a sub-pixel unit of at least one color in each pixel unit, a monochromatic quantum dot layer is disposed. Dispersing of monochromatic quantum dots with a macromolecular polymer network can prevent the quantum dots from aggregation and increase the quantum yield of the quantum dots, so as to increase the light efficacy of quantum excitation, as well as avoiding the contact between the monochromatic quantum dots with oxygen and increasing the life of quantum dots. 1. A liquid crystal display panel comprising an apposing substrate , an array substrate , and a liquid crystal layer positioned between the apposing substrate and the array substrate , a plurality of pixel units being defined on the liquid crystal display panel , each pixel unit having sub-pixel units displaying different colors , whereinat a position of the apposing substrate or the array substrate corresponding to a sub-pixel unit of at least one color in each pixel unit, a monochromatic quantum dot layer is disposed; the monochromatic quantum dot layer, upon being excited by background light, emits monochromatic light corresponding to the color of the sub-pixel unit;the monochromatic quantum dot layer comprises a macromolecular polymer network as well as monochromatic quantum dots evenly dispersed within the macromolecular polymer network; the macromolecular polymer network is formed by polymerization between an organic modifier on surfaces of the monochromatic quantum dots and polymerizable monomers containing double-bond, in which the organic modifier comprises a hydroxyl functional group as well as a sulfhydryl group.2 ...

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Номер записи: 2
01-01-2015 дата публикации

OPTICALLY-COMPENSATORY FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF PRODUCING OPTICALLY-COMPENSATORY FILM

Номер: US20150002789A1
Автор: Iwasaki Tatsuya, KAIHOKO Hiroyuki, KATOH Shunya, Matsuda Yuki, MATSUYAMA Hiroshi, SAIKI Toshiyuki
Принадлежит: FUJIFILM Corporation

To provide an optically-compensatory film that can improve the contrast, to provide a polarizing plate and a liquid crystal display including the optically-compensatory film and a method of producing the optically-compensatory film. An optically-compensatory film including a transparent support; and at least one optically anisotropic layer including a liquid crystal composition containing liquid crystal compounds, in the transparent support; wherein when the optically-compensatory film is disposed between two polarizing plates in a cross nicol state, degree of depolarization as seen from the front face is 0.000022 or less, and degree of depolarization as seen from a polar angle of 50° from an absorption axis direction of one of the polarizing plates is 0.00077 or less. 2. The optically-compensatory film according to claim 1 , wherein the liquid crystal compounds are vertically aligned.5. The optically-compensatory film according to claim 4 , wherein the two liquid crystal compounds are mixed at a mixing ratio of 80:20 to 95:5 claim 4 , the mixing ratio being mass ratio.6. The optically-compensatory film according to claim 1 , wherein the optically-compensatory film is formed by coating a liquid crystal composition containing liquid crystal compounds in a transparent support or on an alignment film disposed on a surface of a transparent support claim 1 , aligning the liquid crystal compounds in a predetermined alignment state by maintaining the temperature at which the liquid crystal compounds form a liquid crystal phase claim 1 , and fixing the alignment state of the liquid crystal compounds by ultraviolet ray irradiation at a predetermined temperature.7. The optically-compensatory film according to claim 1 , comprising an alignment film containing a (meth)acrylic resin between the transparent support and the optically anisotropic layer.8. The optically-compensatory film according to claim 6 , wherein the alignment film is formed by coating an alignment film ...

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Номер записи: 3
02-01-2020 дата публикации

CURABLE COMPOSITION INCLUDING QUANTUM DOT, RESIN LAYER USING THE SAME AND DISPLAY DEVICE

Номер: US20200002604A1
Автор: CHOI Jong Kyu, Jeong Jiyoung, LEE Bumjin, PARK Minjee, RYU Youn Je, YOUN Jinsuop
Принадлежит:

A curable composition includes: (A) a quantum dot; (B) a binder resin including a structural unit represented by Chemical Formula 1-1, a structural unit represented by Chemical Formula 1-2, a structural unit represented by Chemical Formula 1-3, and a structural unit represented by Chemical Formula 2; and (C) a solvent. A resin layer is manufactured using the curable composition, and a display device includes the resin layer. 3. The curable composition of claim 1 , wherein the binder resin satisfies Equation 1:{'br': None, 'i': 'a/a+b≤', '0.1≤0.5\u2003\u2003Equation 1'}wherein, in Equation 1,a denotes the number of acrylate groups in the binder resin, andb denotes the number of thioaryl groups in the binder resin.7. The curable composition of claim 1 , wherein the binder resin has a weight average molecular weight of about 2 claim 1 ,000 g/mol to about 12 claim 1 ,000 g/mol.8. The curable composition of claim 1 , wherein the quantum dot absorbs light at a wavelength of about 360 nm to about 780 nm and emits fluorescence at a wavelength of about 500 nm to about 700 nm.9. The curable composition of claim 1 , wherein the quantum dot comprises a green quantum dot and a red quantum dot.10. The curable composition of claim 1 , wherein the solvent comprises propylene glycol monomethylether acetate claim 1 , dipropylene glycol methylether acetate claim 1 , cyclohexyl acetate claim 1 , ethanol claim 1 , ethylene glycoldimethylether claim 1 , ethylene diglycolmethylethylether claim 1 , diethylene glycoldimethylether claim 1 , dimethyl acetamide claim 1 , 2-butoxyethanol claim 1 , N-methylpyrrolidine claim 1 , N-ethylpyrrolidine claim 1 , propylene carbonate claim 1 , γ-butyrolactone claim 1 , or a combination thereof.11. The curable composition of claim 1 , wherein the curable composition further comprises a reactive unsaturated compound.12. The curable composition of claim 1 , wherein the curable composition further comprises a diffusion agent.13. The curable composition of ...

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Номер записи: 4
07-01-2016 дата публикации

BACKLIGHT DISPLAY USING PHOTOLUMINESCENT MATERIAL TUNED TO IMPROVE NVIS COMPATIBILITY

Номер: US20160003449A1
Автор: MCDAVITT Daniel L.
Принадлежит: L-3 Communications Corporation

An NVIS-compatible backlight assembly for an LCD display comprising a short-wavelength (blue) light source positioned in a first layer and a photoluminescent layer positioned adjacent the first layer for transforming blue monochrome emission from the blue light source into tri-color light for use as a full-color light source, while minimizing radiance in NVIS-sensitive regions. 1. An NVIS-compatible backlight assembly for an LCD display comprising a short-wavelength light source positioned in a first layer and a photoluminescent layer positioned adjacent the first layer for transforming blue monochrome emission from the short wavelength light source into tri-color light for use as an full-color light source , while minimizing radiance in NVIS-sensitive regions.2. An NVIS-compatible backlight assembly as claimed in wherein the short wavelength light source comprises an array of blue LEDs.3. An NVIS-compatible backlight assembly as claimed in claim 1 , wherein the spectral emission in the NVIS regions is substantially minimized.4. An NVIS-compatible backlight assembly as claimed in claim 1 , wherein the spectral profile emitted by the photoluminescent layer is substantially independent of angle of incidence.5. An NVIS-compatible backlight assembly as claimed in wherein the spectral output from the photoluminescent layer is NVIS-compatible without the need for supplemental display filtering.6. An NVIS-compatible backlight assembly as claimed in further comprising supplemental NVIS radiance filtering.7. An NVIS-compatible backlight assembly as claimed in wherein the photoluminescent layer is configured with scattering elements to minimize or avoid the need for a supplemental diffusion layer.8. An NVIS-compatible backlight assembly as claimed in wherein the peak outputs from the photoluminescent layer are tuned to match the LCD's color filters claim 1 , providing greater efficiency.9. An NVIS-compatible backlight assembly as claimed in wherein the narrow profiles of the ...

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Номер записи: 5
05-01-2017 дата публикации

LIGHT CONTROLLING SHEET AND LIGHT CONTROLLING PLATE

Номер: US20170003525A1
Автор: Kumagai Yuki, Murakami Keiichi, TATSUZAWA Masahiro, Yagi Takahiro
Принадлежит:

A main object is to provide a light controlling sheet and a light controlling plate each excellent in weatherability and endurance. An embodiment of the invention is a light controlling sheet including the following: a light controlling layer in which two or more regions for changing a polarization state or phase state of transmitted light are each formed into a constant shape at a constant interval; an adhesive layer formed on the light controlling layer; a migration preventing layer formed on the adhesive layer; and a weatherable adhesive layer including a weatherable agent formed on the migration preventing layer. 1. A light controlling sheet , comprising a light controlling layer in which two or more regions for changing a polarization state or phase state of transmitted light are each formed into a constant shape at a constant interval ,an adhesive layer formed on the light controlling layer,a migration preventing layer formed on the adhesive layer, anda weatherable adhesive layer including a weatherable agent formed on the migration preventing layer.2. The light controlling sheet according to claim 1 , wherein the migration preventing layer comprises a transparent resin.3. The light controlling sheet according to claim 1 , wherein the migration preventing layer comprises a transparent inorganic compound.4. The light controlling sheet according to claim 2 , wherein the transparent resin is a polyester resin.5. The light controlling sheet according to claim 4 , wherein the polyester resin is polyethylene terephthalate.6. The light controlling sheet according to claim 2 , wherein the weatherable agent is an ultraviolet absorbent.7. The light controlling sheet according to claim 3 , wherein the weatherable agent is an ultraviolet absorbent.8. The light controlling sheet according to claim 1 , wherein the light controlling layer comprises a pattern retardation layer claim 1 , and a polarizing plate arranged nearer to the adhesive layer than to the pattern ...

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Номер записи: 6
05-01-2017 дата публикации

DISPLAY APPARATUS

Номер: US20170003544A1
Автор: YASUDA Shingo
Принадлежит:

A display apparatus according to the present invention includes a display unit configured to display an image, an accommodating unit arranged on a back surface side of the display unit, and configured to accommodate a circuit board for driving the display unit, and an exhaust fan arranged on a back surface side of the accommodating unit. The accommodating unit includes an opening through which air flows in from an outer side of the accommodating unit, and the opening is provided so that an amount of air having flowed in through the opening and flowing on an upper side of the circuit board becomes greater than an amount of air having flowed in through the opening and flowing on a lower side of the circuit board. 1. A display apparatus comprising:a display unit configured to display an image;an accommodating unit arranged on a back surface side of the display unit, and configured to accommodate a first circuit board for driving the display unit; andan exhaust means arranged on a back surface side of the accommodating unit,wherein the accommodating unit includes a first opening through which air flows in from an outer side of the accommodating unit, andwherein the first opening is provided so that an amount of air having flowed in through the first opening and flowing on an upper side of the first circuit board becomes greater than an amount of air having flowed in through the first opening and flowing on a lower side of the first circuit board.2. The display apparatus according to claim 1 , wherein the first opening is provided on a front side of the exhaust means in the accommodating unit.3. The display apparatus according to claim 1 , wherein the first opening is provided on an upper side of the exhaust means in the accommodating unit.4. The display apparatus according to claim 1 , wherein the first opening is provided on a front side of the first circuit board in the accommodating unit.5. The display apparatus according to claim 1 , wherein the first opening is ...

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Номер записи: 7
05-01-2017 дата публикации

DISPLAY DEVICE

Номер: US20170003548A1
Автор: ARAKI Shigesumi, MIKI Hirohisa, MIZUNUMA Tatsuro
Принадлежит: Japan Display Inc.

According to one embodiment, a wavelength converter includes a microlens which condenses excitation light, a reflective layer which is opposed to the microlens and includes an aperture, and a wavelength conversion element which is opposed to the microlens via the reflective layer, absorbs the excitation light, and emits emission light whose wavelength is different from that of the excitation light. 1. A wavelength converter comprising:a microlens which condenses excitation light;a reflective layer which is opposed to the microlens and includes an aperture; anda wavelength conversion element which is opposed to the microlens via the reflective layer, absorbs the excitation light, and emits emission light whose wavelength is different from that of the excitation light.2. The wavelength converter of claim 1 , wherein the wavelength conversion element comprises a quantum dot which absorbs the excitation light and emits the emission light.3. The wavelength converter of claim 1 , wherein the wavelength conversion element has optical absorption anisotropy.4. The wavelength converter of claim 1 , wherein:the aperture extends in one direction; andthe microlens is a cylindrical lens which condenses the excitation light linearly parallel to the direction in which the aperture extends.5. The wavelength converter of claim 4 , wherein the direction in which the aperture extends is parallel to a direction of polarization of the excitation light.6. The wavelength converter of claim 5 , wherein an absorption axis direction of the wavelength conversion element is parallel to the direction in which the aperture extends.7. The wavelength converter of claim 2 , wherein the quantum dot is shaped like a rod having a long axis.8. The wavelength converter of claim 7 , wherein the quantum dot has a polar axis which agrees with the long axis.9. The wavelength converter of claim 1 , further comprising a buffer layer which adjusts a focal distance of the microlens between the microlens and the ...

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Номер записи: 8
07-01-2016 дата публикации

HIGH COLOR GAMUT QUANTUM DOT DISPLAY

Номер: US20160004124A1
Автор: Benoit Gilles J., Thielen James A., Wheatley John A.
Принадлежит:

An optical construction is described that includes a blue light source, a liquid crystal display panel, and a quantum dot film element optically between the blue light source and the liquid crystal display panel. In some embodiments, the blue light source can emit blue light that has a wavelength in a range from 440 to 460 nm and an FWHM of less than 25 nm. Also, in some embodiments, the quantum dot film element includes a plurality of quantum dots emitting a peak red wavelength in a range from 600 to 640 nm, an FWHM of less than 50 nm, a peak green wavelength in a range from 515 to 555 nm, and an FWHM of less than 40 nm. The quantum dot film element can be optically between the blue light source and the LCD panel. 1. An optical construction comprising:a blue light source emitting blue light having a wavelength in a range from 440 to 460 nm and an FWHM of less than 25 nm;a liquid crystal display (LCD) panel comprising a set of red, blue and green color filters; anda quantum dot film element comprising a plurality of quantum dots emitting a peak red wavelength in a range from 600 to 640 nm and an FWHM of less than 50 nm and a peak green wavelength in a range from 515 to 555 nm and an FWHM of less than 40 nm and being optically between the blue light source and the LCD panel.2. The optical construction of claim 1 , wherein:the blue LED light source emits blue light having a wavelength in a range from 440 to 460 nm and an FWHM of less than 25 nm;the LCD panel has a native color gamut in a range from 35% to 45% NTSC;the quantum dot film element comprises a plurality of quantum dots emitting a peak red wavelength of in a range from 605 to 625 nm and an FWHM of less than 45 nm and a peak green wavelength in a range from 530 to 555 nm and an FWHM of less than 35 nm and being optically between the blue light source and the LCD panel;the optical construction achieves a color gamut of at least 50% NTSC.3. The optical construction of claim 1 , wherein:the blue LED light source ...

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Номер записи: 9
07-01-2016 дата публикации

Display assembly including two superposed display devices

Номер: US20160004137A1
Автор: Michel Sagardoyburu
Принадлежит: Swatch Group Research and Development SA

Display assembly for a portable object, said display assembly including a first reflective display device located on the side of an observer, a second emissive display device being disposed underneath the first reflective display device.

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Номер записи: 10
04-01-2018 дата публикации

Light Conversion Element

Номер: US20180003877A1
Автор: BERGQUIST Johan
Принадлежит:

An apparatus including a light conversion element including an input interface for receiving input light; an output interface for providing output light having at least one different, lower frequency than the input light; and a plurality of light guides extending between the input interface and the output interface that suspend down-conversion material at remote locations from the input interface, wherein the down-conversion material is configured to down-convert the received input light to produce the provided output light of lower frequency or frequencies. 1. An apparatus comprising:a light conversion element comprising:an input interface for receiving input light;an output interface for providing output light having at least one different, lower frequency than the input light; anda plurality of light guides extending between the input interface and the output interface that suspend down-conversion material at remote locations from the input interface, wherein the down-conversion material is configured to down-convert the received input light to produce the provided output light of lower frequency or frequencies.2. An apparatus as claimed in claim 1 , wherein the down-conversion material is suspended to form pixels or sub-pixels of a pixelated display.3. An apparatus as claimed in claim 2 , wherein an emission spectrum of light produced by a pixel or sub-pixel is controlled by at least a composition of the down-conversion material associated with that pixel or sub-pixel claim 2 , wherein the apparatus comprises a plurality of different compositions of the down-conversion material associated with different pixels or sub-pixels.4. An apparatus as claimed in claim 1 , wherein the down-conversion material comprises phosphors and/or quantum dots.5. An apparatus as claimed in claim 1 , wherein the down-conversion material is housed in cavities claim 1 , in the light guides claim 1 , remote from and thermally insulated from the input interface.6. An apparatus as claimed ...

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Номер записи: 11
02-01-2020 дата публикации

SCREEN FOR A FREE AND A RESTRICTED VIEWING MODE AND APPLICATION THEREOF

Номер: US20200003946A1
Автор: ALKHIMENKO Stepan, JAHRMARKT Uwe, Klippstein Markus, NARI Ambrose Peter, SCHRÖTER Uwe, SCHWARZ Jürgen
Принадлежит:

A display screen operable on at least a partial area A in two operating modes, free-viewing mode B, and restricted-viewing mode B, with the residual display area of the screen outside the area A maintaining a free viewing mode; comprising a first backlight arranged below the residual display area; a second backlight arranged below the area A; a transmissive image generator in front of the backlights; a plate-shaped transparent light guide arranged between the image generator and the backlights that outcouples, through one of its large surfaces, light coupled in through one of its edges; light sources arranged laterally an edge of the light guide, wherein the light guide is transparent to at least 70% of the light emitted by the backlights, and wherein in the B mode, the light sources are switched on, and in the B mode, the backlights are on and the light sources are off. 112. A display screen that on at least a partial area A of its display area can be operated in at least two operating modes , viz B for a free viewing mode and B for a restricted viewing mode , comprising:a first backlight of planar extension configured to radiate light in a non-restricted angular range and that, for the greater part, is arranged below the residual display area outside the partial area A,a second backlight of planar extension that radiates light in a restricted angular range and that, for the greater part, is arranged below the partial area A,a transmissive image generator arranged, in the viewing direction, in front of the two backlights,a plate-shaped transparent light guide that is located between the image generator and the two backlights and is provided on at least one of its large surfaces and/or within its volume with outcoupling elements for the outcoupling of light, so that it, through at least one large surface, outcouples light coupled in through at least one of its edges,light sources arranged laterally on at least one of the edges of the light guide, wherein the ...

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Номер записи: 12
04-01-2018 дата публикации

IMAGE PROJECTION APPARATUS

Номер: US20180004020A1
Автор: Kaku Nobuyuki, KISHIGAMI Masahiro, KUNII Yasuhiko, KURACHI Megumi, NAKAMURA Hiroyuki, SHIMIZU Takuya
Принадлежит:

Based on information about a vehicle, the information can be projected and displayed onto a road surface or the like. An image projection apparatus, which projects an image, includes an acquisition unit that acquires the information about the vehicle, and an image projection unit that projects the image based on the information acquired by the acquisition unit. 1. An image projection apparatus that projects an image , the image projection apparatus comprising:an acquisition unit that acquires information about a vehicle; andan image projection unit that projects the image based on the information acquired by the acquisition unit.2. An image projection apparatus that projects an image , the image projection apparatus comprising:an acquisition unit that acquires information about a vehicle; andan image projection unit that projects the image onto a road surface around the vehicle based on the information acquired by the acquisition unit,wherein the image projection unit has functions of displaying the projected image as a moving image and fixing or moving a display position of the moving image as the image onto the road surface depending on a behavior of the vehicle.3. The image projection apparatus according to claim 2 ,wherein the image projection unit displays, as the moving image, the image representing a traveling direction of the vehicle.4. The image projection apparatus according to claim 3 ,wherein the image projection unit obtains the behavior of the vehicle from information about at least one of a vehicle speed and a traveling direction obtained by the acquisition unit in order to determine whether to fix or move the display position of the image displayed as the moving image.5. The image projection apparatus according to claim 4 ,wherein, after the vehicle has once stopped, the image projection unit displays the image as the moving image and determines whether to fix or move the display position of the image depending on the behavior of the vehicle.6. The ...

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Номер записи: 13
04-01-2018 дата публикации

LIGHT CONVERSION DEVICE AND DISPLAY APPARATUS COMPRISING THE SAME

Номер: US20180004041A1
Автор: Lee Dong Wook, LIM Jungho, SHIN Du Hyeon, YEO Soojung
Принадлежит:

The present application relates to a light conversion device, a backlight unit and a display apparatus. 1. A light conversion device comprising:a light source; anda light conversion film provided on one surface of the light source,wherein the light conversion film includes a wavelength converting material converting a wavelength of light emitted from the light source and a light transmitting polymer resin in which the wavelength converting material is dispersed, and the light conversion film is formed with two or more layers and each of the layers independently has a different maximum light emission wavelength.2. The light conversion device of claim 1 , wherein the light source is a blue light emitting diode emitting blue light.3. The light conversion device of claim 1 , wherein the light conversion film is excited by light emitted from the light source claim 1 , and has two layers formed with a first light conversion film having a maximum light emission wavelength from 500 nm to 550 nm and a second light conversion film having a maximum light emission wavelength from 600 nm to 660 nm.4. The light conversion device of claim 1 , wherein the wavelength converting material includes at least one of an organic fluorescent dye and an organic fluorescent pigment derived from an organic fluorescent dye claim 1 , and a wavelength of light converted by the wavelength converting material has a full width at half maximum (FWHM) of 60 nm or less.5. A light conversion device further comprising a transparent substrate or a light extraction plate on a surface of the light conversion film of facing the light source.6. The light conversion device of claim 5 , further comprising the transparent substrate and the light extraction plate consecutively on a surface of the light conversion film facing the light source.7. The light conversion device of claim 5 , wherein the light conversion film further includes light diffusion particles.8. A backlight unit comprising the light conversion ...

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Номер записи: 14
04-01-2018 дата публикации

ELECTRODELESS ORGANIC LIGHT-EMITTING DEVICE AND LCD SYSTEMS USING SAME

Номер: US20180004044A1
Автор: Nolan Daniel Aloysius, Quesada Mark Alejandro, Senaratne Wageesha
Принадлежит:

An electrodeless organic light-emitting device () and LCD systems using same are disclosed. The electrodeless organic light-emitting device () includes an organic light-emitting structure () with at least one organic light-emitting layer (), and an illuminator () operably disposed to illuminate the organic light-emitting structure () with redirected light (D). The redirected light (D) causes the one or more organic light-emitting layers () to emit light (), which constitutes the illumination from the organic light-emitting device (). An LCD system includes the electrodeless organic light-emitting device () operably arranged relative to an LCD panel to receive the illumination (). The organic light-emitting layer () can be segmented, with each segment emitting a primary color of light. The organic light-emitting layer segments are aligned with the cells of the LCD panel to define pixels for forming a display image. The LCD system can be configured to have a non-black background color when in the “off” state. Methods of forming illumination and display light are also disclosed. 1. A luminaire apparatus that emits illumination , comprising:an illuminator having at least one light source that generates first light having a first wavelength, the light source being operably coupled to a light-redirecting member, which receives the first light and forms therefrom redirected light;an organic light-emitting device (OLED) structure operably arranged adjacent the light-redirecting member, the OLED structure having at least one organic layer that emits light when irradiated by the redirected light, wherein the OLED structure does not include any conductive electrodes; andoptionally, a sealing structure operably disposed around at least the at least one organic layer;wherein the emitted light from the OLED structure constitutes the illumination.2. The luminaire apparatus according to claim 1 , wherein the light-redirecting member includes a planar sheet that is substantially ...

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Номер записи: 15
02-01-2020 дата публикации

DISPLAY DEVICE, OPERATING METHOD OF DISPLAY DEVICE, AND PIXEL CIRCUIT OF DISPLAY DEVICE

Номер: US20200004059A1
Автор: Huang Pu-Jung, Tsai Cheng-Yeh, Tsao Tzu-Yi, Yu Fang-Cheng
Принадлежит:

A display device includes a first substrate, a second substrate, a first liquid crystal display medium, and a first electric field applying component. The first electric field applying component is configured to apply a first electric field to a first portion of the first liquid crystal display medium and apply a second electric field to a second portion of the first liquid crystal display medium. The intensity of the first electrical field is operatively different from that of the second electrical field. 1. An operating method of a display device , comprising:applying a first electric field to a first portion of a first liquid crystal display medium, wherein the first liquid crystal display medium is disposed between a first substrate and a second substrate; andapplying a second electric field to a second portion of the first liquid crystal display medium;wherein, the first electric field and the second electric field are parallel to the first substrate, and the intensity of the first electric field is operatively different from that of the second electric field.2. The operating method of claim 1 , further comprising:providing a first-color light toward the first liquid crystal display medium in a first sub-frame, wherein the first electric field and the second electric field have different intensities in the first sub-frame.3. The operating method of claim 2 , further comprising:providing a second-color light toward the first liquid crystal display medium in a second sub-frame, wherein the first electric field and the second electric field provided by an electric field applying component have a same intensity in a second sub-frame.4. The operating method of claim 1 , further comprising:applying a third electric field to a first portion of a second liquid crystal display medium, wherein the second liquid crystal display medium is disposed between the first substrate and the second substrate; andapplying a fourth electric field to a second portion of the second ...

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Номер записи: 16
02-01-2020 дата публикации

Light bar, backlight module and liquid crystal display

Номер: US20200004062A1
Автор: Jiaxin Li
Принадлежит: Huizhou China Star Optoelectronics Technology Co Ltd

A light bar, a backlight module and a liquid crystal display are provided. The backlight module includes the light bar and a backplane, the light bar includes a PCB, a plurality of LED chips arranged on a surface of the PCB and a protrusion arranged on the other surface of the PCB, and the backplane includes a baseboard defining a through groove. The protrusion on the PCB is inserted into the through groove of the backplane to facilitate heat conduction. In this way, heat generated by the LED chips could be conducted out quickly.

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Номер записи: 17
02-01-2020 дата публикации

DISPLAY DEVICE

Номер: US20200004086A1
Автор: CHEN Chia-Lun, CHEN Yen-Liang, CHU Ming-Hui, LIN Fang-Ho, TING Chin-Lung
Принадлежит:

A display device including a backlight module is provided. The backlight module includes: a substrate, a backlight cavity, a plurality of light emitting elements, and an optical adjustment layer. The backlight cavity is located on the substrate. The plurality of light emitting elements is disposed in the backlight cavity. The optical adjustment layer covers the plurality of light emitting elements and fills the remaining space of the backlight cavity. The optical adjustment layer has a refractive index n greater than the refractive index nof the air. 1. A display device , comprising: a substrate;', 'a backlight cavity located on the substrate;', 'a plurality of light emitting elements disposed in the backlight cavity; and', {'sub': '0', 'an optical adjustment layer covering the plurality of light emitting elements and filling a remaining space of the backlight cavity, wherein the optical adjustment layer has a refractive index n greater than the refractive index nof the air.'}], 'a backlight module, comprising2. The display device according to claim 1 , wherein the backlight module further comprises:a diffusion layer located on the backlight cavity; anda sidewall connecting the substrate and the diffusion layer;wherein the diffusion layer, the sidewall and the substrate define the backlight cavity.3. The display device according to claim 1 , wherein the optical adjustment layer comprises a medium comprising polyoxyl resin or acrylic.4. The display device according to claim 1 , wherein the optical adjustment layer comprises a medium and a plurality of diffusion particles distributed in the medium claim 1 , and the plurality of diffusion particles have a refractive index ngreater than a refractive index nof the medium.5. The display device according to claim 1 , wherein the optical adjustment layer comprises a first optical adjustment layer and a second optical adjustment layer disposed on the first optical adjustment layer claim 1 , the first optical adjustment layer ...

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Номер записи: 18
07-01-2021 дата публикации

Display device and method for selecting optical film of display device

Номер: US20210003760A1
Автор: Takashi Kuroda, Yasuhiro Koike
Принадлежит: Individual

There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a polarizer a and an optical film X on a surface on a light emitting surface side of a display element, wherein L1, which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L2, which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition.

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Номер записи: 19
07-01-2021 дата публикации

FLEXIBLE DEVICE AND METHOD OF MANUFACTURING THE SAME, AND DISPLAY APPARATUS

Номер: US20210003878A1
Автор: Wang Jianguo
Принадлежит:

A method of manufacturing the flexible device includes: forming a photosensitive film on a hard base substrate, the photosensitive film including a photosensitive resin material containing azide; forming a base including an inorganic material on the photosensitive film; forming an electronic device functional layer on the base; forming an encapsulation layer on the electronic device functional layer; irradiating the photosensitive film at a side of the base substrate away from the encapsulation layer; and peeling off an entire structure including the base, and the electronic device functional layer and the encapsulation layer that have been formed on the base from the photosensitive film. 1. A method of manufacturing a flexible device , the method comprising:forming a photosensitive film on a hard base substrate, wherein the photosensitive film includes a photosensitive resin material containing azide;forming a base including an inorganic material on the photosensitive film;forming an electronic device functional layer on the base;forming an encapsulation layer on the electronic device functional layer;irradiating the photosensitive film at a side of the base substrate away from the encapsulation layer; andpeeling off an entire structure including the base, and the electronic device functional layer and the encapsulation layer that have been formed on the base from the photosensitive film.2. The method according to claim 1 , wherein forming the photosensitive film claim 1 , includes:forming the photosensitive film by using a photosensitive resin material containing azidonaphthalene compound.3. The method according to claim 2 , wherein forming the photosensitive film claim 2 , includes:forming the photosensitive resin material containing the azidonaphthalene compound on the base substrate by a coating process; andsequentially pre-baking and curing the photosensitive resin material formed on the base substrate to form a photosensitive film with a thickness of ...

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Номер записи: 20
07-01-2021 дата публикации

Backlight unit and display device having the same

Номер: US20210003888A1
Автор: Bum Lee, Tae Gyun Kim, Yong Doo Park
Принадлежит: Samsung Display Co Ltd

A backlight unit, and a display device including the backlight unit are provided. The backlight unit includes a light source member including a first substrate; and a plurality of light sources disposed on a surface of the first substrate, and a wavelength conversion member disposed on over of the light source member to overlap the light source member, the wavelength conversion member including a second substrate and a plurality of wavelength conversion patterns disposed on a surface of the second substrate, wherein the plurality of wavelength conversion patterns are disposed to be spaced apart from one another, and each of the plurality of wavelength conversion patterns covers at least one of the plurality of light sources.

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Номер записи: 21
07-01-2021 дата публикации

COLOR CONVERSION SHEET, BACKLIGHT UNIT AND DISPLAY DEVICE

Номер: US20210003889A1
Автор: KIM KiSeong, YOON HyeokJoon
Принадлежит: LG DISPLAY CO., LTD.

The present disclosure relates to a color conversion sheet, a backlight unit, and a display device, in which a reflection filter exhibiting transflection with respect to blue light may be disposed on a color conversion layer that excites blue light and then emits green light and red light and in which a reflection filter exhibiting total reflection of green light and red light may be disposed under the color conversion layer, thereby increasing the probability of exciting blue light and the amount of green light and red light emitted forwards, so that the efficiency of the color conversion sheet can be improved. In addition, it is possible to prevent a halo caused by the diffusion of light scattered backwards and to increase the brightness provided by the backlight unit by causing the light scattered backwards to be reflected forwards from the position adjacent to the color conversion layer. 1. A display device , comprising:a display panel; anda backlight unit configured to supply light to the display panel,wherein the backlight unit comprises:a plurality of light sources configured to emit light in a first wavelength band;a reflection plate arranged in at least some of areas excluding the areas in which the light sources are arranged; anda color conversion sheet provided between the light source and the display panel,wherein the color conversion sheet comprises:a color conversion layer configured to react to the light in the first wavelength band and emit light in a second wavelength band and light in a third wavelength band;a first reflection filter arranged on an upper surface of the color conversion layer; anda second reflection filter arranged on a lower surface of the color conversion layer, andwherein the first reflection filter has reflectance for the light in the first wavelength band, and the second reflection filter has reflectance for the light in the second wavelength band and the light in the third wavelength band.2. The display device of claim 1 , ...

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Номер записи: 22
07-01-2021 дата публикации

BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

Номер: US20210003891A1
Автор: Kim Donghwi, SEO MyungWon
Принадлежит:

The disclosure relates to backlight unit and display device including the same. The backlight unit includes an array substrate having a first surface on which a plurality of light emitting devices are disposed, and a second surface on which a plurality of Zener diodes are disposed corresponding to the plurality of light emitting devices, a driver substrate having a third surface contacting the second surface of the array substrate, and a fourth surface on which a plurality of driver integrated circuits are disposed, and a cover bottom accommodating the array substrate and the driver substrate. 1. A backlight unit comprising:an array substrate including a first surface on which a plurality of light emitting devices are disposed, and a second surface on which a plurality of Zener diodes corresponding to the plurality of light emitting devices are disposed, the second surface being positioned opposite to the first surface;a driver substrate including a third surface in contact with the second surface of the array substrate, and a fourth surface on which a plurality of driver integrated circuits are disposed, the fourth surface being positioned opposite to the third surface; anda cover bottom accommodating the array substrate and the driver substrate,wherein a plurality of first grooves are formed between the second surface of the array substrate and the third surface of the driver substrate, at least one Zener diode is disposed in each of the plurality of first grooves, a plurality of second grooves are formed between the driver substrate and the cover bottom, and at least one driver integrated circuit is disposed in each of the plurality of second grooves.2. The backlight unit according to claim 1 , further comprising a plurality of first partition walls positioned between the array substrate and the driver substrate claim 1 ,wherein each of the plurality of first grooves is defined by respective first partition walls of the plurality of first partition walls, a ...

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Номер записи: 23
03-01-2019 дата публикации

OPTICAL FILM STACK INCLUDING RETARDATION LAYER

Номер: US20190004227A1
Автор: Haag Adam D., Johnson Matthew B., Lee Song-Geun, Park Sun-Yong
Принадлежит:

Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described. 1a tuned reflective polarizer having a top surface, a bottom surface, a transmission axis, and a reflection axis;a half-wave retardation layer having a top surface, a bottom surface disposed on the top surface of the reflective polarizer, and a slow axis oriented substantially 45° with respect to the transmission axis of the reflective polarizer; andan absorbing polarizer having a bottom surface disposed on the top surface of the achromatic half-wave retardation layer and a transmission axis oriented substantially 90° with respect to the transmission axis of the reflective polarizer;wherein the tuned reflective polarizer is tuned to reduce wavelength dispersion of the half-wave retardation layer.. An optical film stack, comprising: This application is a continuation of U.S. application Ser. No. 15/038,932, filed on May 24, 2016, which is a national stage filing under 35 U.S.C. 371 of PCT/US2014/067165, filed Nov. 24, 2014, which claims the benefit of U.S. Provisional Application No. 61/908,396, filed Nov. 25, 2013, the disclosure of which is incorporated by reference in its entirety herein.In backlights, reflective polarizers are used to recycle light and enhance the ultimate efficiency and brightness of the display. Absorbing polarizers or the like are used in conjunction with a liquid crystal module to polarize the light for appropriate modulation by the liquid crystal module. In some manufacturing processes, reflective polarizers in roll form may have their reflective axis (i.e., block axis or slow axis) in the transverse direction (i.e., ...

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Номер записи: 24
03-01-2019 дата публикации

LIQUID-CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS

Номер: US20190004344A1
Автор: HARUYAMA Akihide
Принадлежит: SEIKO EPSON CORPORATION

The invention provides a new technique for improving the contrast in a liquid-crystal display device having a liquid crystal layer that is formed of pretilted liquid crystal molecules having a negative dielectric constant anisotropy. A liquid-crystal display device according to an aspect of the invention includes a liquid crystal panel in which a phase-difference compensation layer including a C plate is formed, and a phase-difference compensation member disposed on the outside of the liquid crystal panel and including an O plate or an A plate. The liquid crystal panel includes an opposing substrate, a liquid crystal layer formed of pretilted liquid crystal molecules having a negative dielectric constant anisotropy, and an element substrate. 1. A liquid-crystal display device comprising:a liquid crystal panel in which a phase-difference compensation layer including a C plate is formed; anda phase-difference compensation member disposed on the outside of the liquid crystal panel and including an O plate or an A plate,wherein the liquid crystal panel includes an opposing substrate, a liquid crystal layer formed of pretilted liquid crystal molecules having a negative dielectric constant anisotropy, and an element substrate.2. The liquid-crystal display device according to claim 1 , wherein the phase-difference compensation member includes two O plates.3. The liquid-crystal display device according to claim 1 , wherein the phase-difference compensation layer includes the C plate and an O plate.4. The liquid-crystal display device according to claim 1 , wherein the phase-difference compensation layer is formed in the opposing substrate.5. An electronic apparatus comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the liquid-crystal display device according to .'}6. An electronic apparatus comprising:{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the liquid-crystal display device according to .'}7. An electronic apparatus comprising:{'claim-ref': {'@idref': ...

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Номер записи: 25
03-01-2019 дата публикации

DISPLAY DEVICE

Номер: US20190004347A1
Автор: Chen Jia-Yuan, LEE Kuan-Feng, Lin Hsiao-Lang, Tsai Tsung-Han, YUEH JUI-JEN
Принадлежит:

A display device includes a first display unit and a second display unit. The first display unit emits a green light having a first output spectrum corresponding to a highest gray level of the display device. The second display unit emits a blue light having a second output spectrum corresponding to the highest gray level of the display device. Wherein, an intensity integral of the first output spectrum within a range from 380 nm to 780 nm is defined as a first intensity integral, an intensity integral of the second output spectrum within a range from 494 nm to 580 nm is defined as a second intensity integral, a ratio of the second intensity integral to the first intensity integral is defined as a first ratio, and the first ratio is greater than 0% and less than or equal to 26.0%. 1. A display device , comprising:a first display unit emitting a green light having a first output spectrum corresponding to a highest gray level of the display device; anda second display unit emitting a blue light having a second output spectrum corresponding to the highest gray level of the display device,wherein an intensity integral of the first output spectrum within a range from 380 nm to 780 nm is defined as a first intensity integral, an intensity integral of the second output spectrum within a range from 494 nm to 580 nm is defined as a second intensity integral, a ratio of the second intensity integral to the first intensity integral is defined as a first ratio, and the first ratio is greater than 0% and less than or equal to 26.0%.2. The display device of claim 1 , wherein the first ratio is greater than or equal to 2.3% and less than or equal to 26.0%.3. The display device of claim 1 , further comprising a third display unit emitting a red light having a third output spectrum corresponding to the highest gray level of the display device claim 1 , wherein an intensity integral of the third output spectrum within a range from 380 nm to 780 nm is defined as a third intensity ...

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Номер записи: 26
03-01-2019 дата публикации

BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20190004356A1
Автор: Cai Site, Fang Ming, LEI Wei, ZHENG Liangliang
Принадлежит:

A backlight module and a liquid crystal display device are disclosed. The backlight module comprises a backlight source, a beam splitter and a light beam conversion portion. The beam splitter converts light from the backlight source into a first and second polarization light beam. The light beam conversion portion converts the first polarization light beam into a third polarization light beam through total reflection, and outputs the second and third polarization light beam through a light exit side. Alternatively, the light beam conversion portion converts the first and second polarization light beam into a fourth and fifth polarization light beam through total reflection, and outputs the fourth and fifth polarization light beam through the light exit side. To this end, light from the backlight source is efficiently applied to irradiate a liquid crystal display panel, and the brightness of the liquid crystal display panel significantly improves. 1. A backlight module , comprising:a backlight source;a beam splitter, which is configured to convert light from the backlight source into a first polarization light beam and a second polarization light beam, wherein the first polarization light beam and the second polarization light beam are linearly polarized light with orthogonal polarization direction; anda light beam conversion portion, which is configured to convert the first polarization light beam into a third polarization light beam through total reflection, wherein the second polarization light beam and the third polarization light beams are linearly polarized light with identical polarization direction; or through total reflection convert the first polarization light beam and the second polarization light beam into a fourth polarization light beam and a fifth polarization light beam, respectively, wherein the fourth polarization light beam and the fifth polarization light beam are linearly polarized light with identical polarization direction.2. The backlight ...

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Номер записи: 27
03-01-2019 дата публикации

BACKLIGHT MODULE AND A DISPLAY DEVICE

Номер: US20190004374A1
Автор: CHANG CHIEN Sheng-Jer, CHANG Jianyu, Hsiao Yu-Chun, LEE Yung-jui, SU Zanjia
Принадлежит: Shenzhen China Star Optoelectronics Technology Co. Ltd.

The present application discloses a backlight module and a display device, the backlight module including a light source for emitting at least a first light; at least two sheets of light conversion films, wherein at least one sheet of light conversion films receives the first light and converts the light into at least a second light to emit, and makes the light emitting angle of the backlight module matching the wide viewing angle display requirements. It can increase the light emitting angle of the backlight module and achieve the wide viewing angle effect. By having at least two sheets of light conversion films at the same time, a part of the light is reflected back while the light is scattered and emitted at the same time, and the light is excited and emitted again, to improve the light utilization rate, enhance the brightness to have a better performance of display. 1. A backlight module , comprising:a light source for emitting at least a first light; andat least two sheets of light conversion film, wherein at least one sheet of light conversion film receiving the first light and converting it into at least a second light to emit, and makes the light emitting angle of the backlight module greater than 120 degrees; the color temperature is less than 16000, the contrast is greater than 1500:1; the light conversion film comprising a light conversion material, and the concentration of the light conversion material in the light conversion film is 0.2%˜25% the thickness of the light conversion material layer is 70 to 135 μm.2. The backlight module according to claim 1 , wherein the at least two sheets of light conversion film convert the first light into a second light with the same or different wavelengths and to emit the light claim 1 , respectively; or one sheet of the light conversion film converts the first light into a second light and emit it claim 1 , and the other sheet of the light conversion film converts the second light to a third light and emit it.3. The ...

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Номер записи: 28
03-01-2019 дата публикации

OPTICAL FILM, BACKLIGHT MODULE AND DISPLAY DEVICE FOR BACKLIGHT MODULE

Номер: US20190004375A1
Автор: CHANG CHIEN Sheng-Jer, CHANG Jianyu, Hsiao Yu-Chun, LEE Yung-jui, SU Zanjia
Принадлежит: Shenzhen China Star Optoelectronics Technology Co. Ltd.

The present disclosure discloses an optical film, a backlight module and a display device for a backlight module, and relates to a liquid crystal panel display technology field. The backlight module including: a light source emitting at least a first light; the optical film includes a light converting material which receives the first light and converts it into at least a second light exit such that the light emitting angle of the backlight module is greater than 120 degrees. In the above-described manner, the present disclosure enables the backlighting angle of the backlight module to be greater than 120 degrees, and the display device having the backlight module can be brought to a wide viewing angle effect. 1. An optical film for a backlight module , comprising: a light conversion material , the light conversion material receives the first light and converts it into at least a second light exit such that the light exit angle of the light conversion material is greater than 130 degrees , the color temperature is less than 16000 , the contrast is greater than 1500:1; the concentration of the light conversion material in the light conversion film is 0.2% to 25%; the light converting material comprises a quantum dot material and/or a fluorescent material.2. The optical film according to claim 1 , wherein the light conversion film comprises a light conversion material layer claim 1 , and the film thickness of the light conversion material layer is 70 to 135 μm.3. The optical film according to claim 1 , wherein the concentration ratio of the quantum dot material to the fluorescent material is 1:100 to 1:5.4. A backlight module claim 1 , comprising:a light source that emits at least a first light;the optical film comprises a light converting material that receives the first light and converts it into at least a second light exit such that the light exit angle of the backlight module is matched with a wide viewing angle greater than 120 degrees.5. The backlight module ...

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Номер записи: 29
05-01-2017 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20170004782A1
Автор: CHANG Jianyu, Fan Yong
Принадлежит:

A liquid crystal display device includes a backlight module, a liquid crystal panel, a color filter and a controller. The backlight module includes a light guide plate having a light-input surface and a light-output surface, a plurality of white LEDs and a plurality of blue LEDs. Both the white LED and the blue LED face to the light-input surface. The while LED includes a blue light chip for giving out blue light and phosphor powder excited by the blue light, and the blue LED includes a blue light chip. The liquid crystal panel is opposite to the light-output surface. The color filter is opposite to the liquid crystal panel. The color filter includes a red photoresist for red light to pass through only, a green photoresist for green light to pass through only and a transparent photoresist for light of any color to pass through. 1. A liquid crystal display device , comprising:a backlight module, the backlight module comprising a light guide plate, a plurality of white light emitting diodes (LEDs) for giving out white light and a plurality of blue LEDs for giving out blue light and corresponding to the plurality of white LEDs, the light guide plate comprising a light-input surface and a light-output surface, both the plurality of white LEDs and the plurality of blue LEDs face to the light-input surface, each white LED comprising a blue light chip for giving out blue light and phosphor powder excited by the blue light, and each blue LED comprising a blue light chip;a liquid crystal panel, the liquid crystal panel being opposite to the light-output surface to receive light from the backlight module;a color filter, the color filter being opposite to the liquid crystal panel and configured to receive light traversing through the liquid crystal panel, the color filter comprising a red photoresist for red light to pass through only, a green photoresist for green light to pass through only and a transparent photoresist for light of any color to pass through; anda controller, ...

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Номер записи: 30
08-01-2015 дата публикации

DISPLAY APPARATUS, AUTOMOTIVE DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING THE DISPLAY APPARATUS

Номер: US20150009429A1
Автор: UNNO Haruo, YAMAMOTO Isao
Принадлежит: NISSAN MOTOR CO., LTD.

A display apparatus includes: a liquid crystal panel (); a touch panel () placed on the liquid crystal panel (); a base material layer () stacked on the touch panel (); and an adhesive layer () interposed between the touch panel () and the base material layer (). Fiber having properties to solve polarization is contained in at least one of the base material layer () and the adhesive layer ().

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Номер записи: 31
08-01-2015 дата публикации

LIQUID CRYSTAL DISPLAY AND ELECTRONIC DEVICE

Номер: US20150009444A1
Автор: SHAO Xibin, WANG DAN, ZHANG Honglin, ZHAO Hebin
Принадлежит:

A liquid crystal display is provided. The liquid crystal display includes a position limiting structure, and further includes a TFT substrate, a CF substrate adhered to an internal surface of the TFT substrate, and an adhesive layer disposed at partial or entire area except a specific area on the internal surface of the TFT substrate. The TFT substrate is fixed on the position limiting structure through the adhesive layer. The internal surface of the CF substrate is adhered to the internal surface of the TFT substrate. The specific area on the internal surface of the TFT substrate includes an overlapped area of the internal surface of the TFT substrate and the internal surface of the CF substrate and an area, for connecting a flexible circuit board, on the internal surface of the TFT substrate. 1. A liquid crystal display (LCD) , comprising:a position limiting structure,a thin-film transistor (TFT) substrate,a color filter (CF) substrate adhered to an internal surface of the TFT substrate, andan adhesive layer disposed at partial or entire area except a specific area on the internal surface of the TFT substrate, the TFT substrate fixed to the position limiting structure through the adhesive layer,wherein an internal surface of the CF substrate is adhered to the internal surface of the TFT substrate; and the specific area on the internal surface of the TFT substrate comprises an overlapped area of the internal surface of the TFT substrate and the internal surface of the CF substrate and an area, for connecting a flexible circuit board, on the internal surface of the TFT substrate.2. The LCD according to claim 1 , further comprising a first polarizer and a second polarizer; the first polarizer is disposed on an external surface of the TFT substrate; the second polarizer is disposed on an external surface of the CF substrate;wherein the first polarizer is a vertical polarizer and the second polarizer is a horizontal polarizer, or the first polarizer is a horizontal ...

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Номер записи: 32
08-01-2015 дата публикации

Liquid crystal display device

Номер: US20150009449A1
Автор: Hiroshi Ito
Принадлежит: Eizo Corp

A liquid crystal display device including: a liquid crystal panel 2; a diffuser 3 provided behind the liquid crystal panel 2; a light guide member 4 provided behind the diffuser 3; and a case supporting the liquid crystal panel 2, the diffuser 3, and the light guide member 4, where the case includes an opening at the back, the light guide member 4 is provided covering the opening, and the light guide member 4 includes a first prism 7 including an incident surface 8 on which outside light from above is incident, and a first slope surface 9 provided below the incident surface 8, and reflecting light incident from the incident surface 8 and on which outside light from behind is incident, the liquid crystal display device being able to make use of outside light efficiently.

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Номер записи: 33
12-01-2017 дата публикации

SEALING TAPE, PHOSPHOR SHEET, LIGHTING DEVICE, LIQUID-CRYSTAL DISPLAY, METHOD FOR MANUFACTURING PHOSPHOR SHEET, AND SEALING METHOD

Номер: US20170009109A1
Автор: HIYAMA Teruo, HORI Tomomitsu, ITO Yasushi, UENO Yoshifumi, YAMAZAKI Akihiro
Принадлежит: DEXERIALS CORPORATION

Provided are a sealing tape that can prevent tape width misalignment, air bubble inclusion, and creasing even when the sealing tape is affixed in a folded state, a phosphor sheet using the same, a lighting device, a liquid-crystal display, a method for manufacturing a phosphor sheet, and a sealing method. The sealing tape () includes an adhesive layer (), a gas barrier layer (), a bonding layer (), and a support film layer () laminated in stated order, and has an incision () into the support film layer () in a thickness direction. The incision () is located substantially centrally in a width direction and extends in a longitudinal direction. Accordingly, tape width misalignment, air bubble inclusion, and creasing can be prevented even when the sealing tape is affixed in a folded state. 1. A sealing tape comprising:an adhesive layer, a gas barrier layer, a bonding layer, and support film layer laminated in stated order; andan incision into the support film layer in a thickness direction, the incision being located substantially centrally in a width direction and extending in a longitudinal direction.2. The sealing tape of claim 1 , whereinthe incision located substantially centrally in the width direction and extending in the longitudinal direction passes entirely through the support film layer in the thickness direction.3. The sealing tape of claim 2 , whereinthe incision located substantially centrally in the width direction and extending in the longitudinal direction passes partway through the bonding layer in the thickness direction.4. The sealing tape of claim 1 , whereinthe gas barrier layer includes an aluminum layer, a bonding layer, a substrate, a bonding layer, and an aluminum layer laminated in stated order.5. The sealing tape of claim 1 , whereinthe gas barrier layer includes a metal oxide layer, a bonding layer, a substrate, a bonding layer, and a metal oxide layer laminated in stated order.6. The sealing tape of claim 1 , whereinthe bonding layer ...

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Номер записи: 34
12-01-2017 дата публикации

DISPLAY PANEL, FABRICATING METHOD THEREOF, DRIVING METHOD, DISPLAY DEVICE

Номер: US20170010505A1
Автор: Chen Shiqi, Shi Bo, Wu XiaoHui, YAN Shaning, Zhang Junrui
Принадлежит:

A display panel, a fabricating method thereof, and a display device are disclosed, which relate to the field of display technology. The display panel comprises an array substrate, an assembly substrate, and a liquid crystal layer arranged between the array substrate and the assembly substrate. The display panel has a totally transmissive mode and a totally reflective mode. An electrochromic reflective layer is arranged on a side of the array substrate close to the liquid crystal layer, and is configured to reflect external ambient light in the totally reflective mode and to exhibit a transparent state to completely transmit light in the totally transmissive mode. 1. A display panel , comprising an array substrate , an assembly substrate , and a liquid crystal layer arranged between the array substrate and the assembly substrate , wherein the display panel has a totally transmissive mode and a totally reflective mode , the display panel comprises:an electrochromic reflective layer which is arranged on a side of the array substrate close to the liquid crystal layer,the electrochromic reflective layer is configured to reflect external ambient light in the totally reflective mode, and to exhibit a transparent state to completely transmit light in the totally transmissive mode.2. The display panel of claim 1 , wherein the display panel further comprises a switch unit which is electrically connected with the electrochromic reflective layer claim 1 , and configured to control an electrical signal fed to the electrochromic reflective layer.3. The display panel of claim 2 , wherein the switch unit is a thin film transistor.4. The display panel of claim 1 , wherein the display panel further comprises:a first alignment film which is arranged on the array substrate with the electrochromic reflective layer;a first wave plate and a lower polarizer which are arranged successively on a side of the array substrate away from the liquid crystal layer;a second alignment film which is ...

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Номер записи: 35
14-01-2016 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20160011355A1
Автор: KANAUMI Eiichi, KOKUDO Shingo
Принадлежит: NS MATERIALS INC.

There is provided a high-efficiency and high-definition liquid crystal display device in which a white light source is constituted by using a fluorescent substance composed of a quantum dot having a minute particle size, and an LED light-emitting element, light from the light source is allowed to be incident from one lateral surface of a backlight provided on a rear surface of the liquid crystal display device, and thus an amount of the quantum dot fluorescent substance that is used is reduced, and the thickness of the liquid crystal display device is made smaller as a whole. 1. A liquid crystal display device , comprising:a liquid crystal panel;a light source;a light-guiding plate which is provided on a rear surface of the liquid crystal panel and irradiates the liquid crystal panel with light that is derived from the light source; anda fluorescent substance layer which is disposed between the light-guiding plate and the light source and includes a quantum dot fluorescent substance having a diameter of 50 nm or less on an inner side of the fluorescent substance layer.2. The liquid crystal display device according to claim 1 ,wherein light from the light source, of which a wavelength is converted by the fluorescent substance layer, is incident to at least one lateral surface of the light-guiding plate, and is scattered to the inside of the light-guiding plate to irradiate the liquid crystal panel with the light.3. The liquid crystal display device according to claim 1 ,wherein the fluorescent substance layer is constituted by a plurality of fluorescent substance layer members in which a wavelength of light, which is obtained through wavelength conversion, is different in each case.4. The liquid crystal display device according to claim 1 ,wherein the light source is constituted by an LED, and a lens, which changes a direction of light generated from the light source, is provided between the light source and the fluorescent substance layer.5. A liquid crystal display ...

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Номер записи: 36
14-01-2016 дата публикации

TRANSFLECTIVE LIQUID CRYSTAL DISPLAY (LCD) PANEL, DISPLAY DEVICE AND ARRAY SUBSTRATE

Номер: US20160011460A1
Автор: PARK Ku Hyun
Принадлежит:

A transflective liquid crystal display (LCD) panel, a display device and an array substrate are disclosed. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate and the second substrate include a transmissive area and a reflective area, and the cell gaps of the transmissive area and the reflective area are unequal to each other. A portion of the first substrate corresponding to the reflective area is provided with a first over coater on a side surface close to the liquid crystal layer; a pixel electrode of an integrate structure is respectively disposed on a portion of the second substrate corresponding to the transmissive area and a portion of the second substrate corresponding to the reflective area; a portion of the second substrate corresponding to the transmissive area and on the pixel electrode is provided with a second common electrode with a slit structure, on a side surface close to the liquid crystal layer; and an insulating layer is disposed between the pixel electrode and the second common electrode. The transflective LCD panel can realize wide viewing angle and high contrast. 1. A transflective liquid crystal display (LCD) panel , comprising: a first substrate , a second substrate arranged opposite to the first substrate , and a liquid crystal layer disposed between the first substrate and the second substrate , wherein the first substrate and the second substrate comprise a transmissive area and a reflective area , and cell gaps of the transmissive area and the reflective area are unequal to each other;a portion of the first substrate corresponding to the reflective area is provided with a first over coater (OC) on a side surface close to the liquid crystal layer;a pixel electrode is disposed on a portion of the second substrate corresponding to the transmissive area and a portion of the ...

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Номер записи: 37
11-01-2018 дата публикации

QUANTUM DOT LIGHT SOURCE COMPONENT, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20180011240A1
Автор: LI Fulin, LU Lin
Принадлежит:

A quantum dot (QD) light source component, a backlight module and a liquid crystal display device are disclosed. The QD light source component includes a bracket, a light source, and a QD unit, the bracket is formed with a groove; the light source is arranged at bottom center of the groove of the bracket for emitting light; the 1. A quantum dot (QD) light source component , comprising: a bracket , a light source , and a QD unit;wherein the bracket is formed with a groove; the light source is arranged at a bottom center of the groove of the bracket for emitting light; the QD unit is arranged at an opening of the groove of the bracket, the QD unit comprises an upper substrate, a lower substrate, and a QD layer; at least one of the upper substrate and the lower substrate is provided with a substrate groove, the upper substrate and the lower substrate form an enclosure space through the substrate groove; the QD layer is located within the substrate groove, and emits light under excitation of the light emitted from the light source;wherein the QD layer is thicker at a central position of the QD layer than at an edge position of the QD layer.2. The light source component according to claim 1 , wherein the lower substrate is provided with the substrate groove claim 1 , the substrate groove of the lower substrate comprises a first substrate groove and a second substrate groove claim 1 , wherein a bottom of the first substrate groove and a bottom of the second substrate groove are flat; the first substrate groove is located at an edge position of the lower substrate; the second substrate groove is located at a central position of the lower substrate; and a depth of the first substrate groove is smaller than a depth of the second substrate groove.3. The light source component according to claim 2 , wherein the depth of the first substrate groove is a distance between the bottom of the first substrate groove and a lower surface of the upper substrate; and the depth of the ...

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Номер записи: 38
11-01-2018 дата публикации

Active alignment of optical fiber to chip using liquid crystals

Номер: US20180011252A1
Автор: Gurtej Sandhu, Roy Meade
Принадлежит: Micron Technology Inc

Devices and systems to perform optical alignment by using one or more liquid crystal layers to actively steer a light beam from an optical fiber to an optical waveguide integrated on a chip. An on-chip feedback mechanism can steer the beam between the fiber and a grating based waveguide to minimize the insertion loss of the system.

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Номер записи: 39
11-01-2018 дата публикации

High dynamic range displays using filterless LCD(s) for increasing contrast and resolution

Номер: US20180011365A1
Автор: Erinjippurath Gopal, Hadlaw Marek, Shields Jerome D.
Принадлежит: DOLBY LABORATORIES LICENSING CORPORATION

A display provides increased contrast and resolution via first LCD panel energized to generate an image and a second LCD panel configured to increase contrast of the image. The second panel is an LCD panel without color filters and is configured to increase contrast by decreasing black levels of dark portions of images using polarization rotation and filtration. The second LCD panel may have higher resolution than the first LCD panel. A half wave plate and/or film is placed in between the first and the second panel. The panels may be directly illuminated or edge lit, and may be globally or locally dimmed lights that may also include individual control of color intensities for each image or frame displayed. 1. A multi-modulation projector , comprising:a light source;a first controllable panel illuminated by the light source;a second controllable panel illuminated by the first controllable panel;a controller configured to receive image data and energize the first and second controllable panels in a manner to produce a desired image;wherein the first controllable panel is configured as a brightness modulator and is configured to steer light toward highest luminance areas in an image produced by the first controllable panel;wherein the second controllable panel is configured to further modulate the image produced by the first controllable panel so as to produce the desired image.2. The multi-modulation projector according to claim 1 , further comprising a light field simulation module configured to determine a light field incident on the second controllable modulator.3. The multi-modulation projector according to claim 1 , wherein the light field simulation takes into account a scale of modulation prior to illumination of the second controllable panel.4. The multi-modulation projector according to claim 1 , wherein the light field simulation takes into account a scale of diffusion prior to illumination of the second controllable panel.5. The multi-modulation projector ...

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Номер записи: 40
11-01-2018 дата публикации

POLARIZER, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

Номер: US20180011372A1
Автор: Bai Feng, YANG Jiuxia
Принадлежит:

A polarizer, a manufacturing method thereof and a display device are provided. The polarizer, including: a base substrate and a quantum rod layer disposed on a side of the base substrate, wherein the quantum rod layer includes a plurality of quantum rods arranged in a same direction. The polarizer can improve the utilization rate of light, and improve the brightness of the display panel, and hence achieve image display with high brightness and high color gamut. 1. A polarizer , comprising: a base substrate and a quantum rod layer disposed on a side of the base substrate , wherein the quantum rod layer comprises a plurality of quantum rods arranged in a same direction.2. The polarizer according to claim 1 , wherein a long-axis direction of each of the quantum rods is parallel with the base substrate claim 1 , and long-axis directions of the plurality of quantum rods are arranged in the same direction.3. The polarizer according to claim 1 , further comprising a first electrode disposed on a side of the quantum rod layer away from the base substrate; and a second electrode disposed on a side of the quantum rod layer close to the base substrate.4. The polarizer according to claim 1 , further comprising a planarization layer disposed on a side of the quantum rod layer away from the base substrate.5. The polarizer according to claim 1 , wherein the quantum rod layer is made from any material selected from the group consisted of cadmium selenide claim 1 , cadmium sulfide claim 1 , zinc sulfide claim 1 , zinc selenide claim 1 , calcium sulfide and calcium selenide.6. A display device claim 1 , comprising a display panel comprising a color filter (CF) substrate claim 1 , an array substrate claim 1 , a liquid crystal layer disposed between the CF substrate and the array substrate claim 1 , an upper polarizer disposed on a side of the CF substrate away from the liquid crystal layer claim 1 , and a lower polarizer disposed on a side of the array substrate away from the liquid ...

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Номер записи: 41
10-01-2019 дата публикации

LIGHT SOURCE MODULE AND LIGHT SOURCE UNIT

Номер: US20190011685A1
Автор: Chen Chi-Lun, Lee Hsin-Hung, Yang Chiao-Chih, Yeh Fang-Ju
Принадлежит: YOUNG LIGHTING TECHNOLOGY INC.

A light source module including at least one optical film and a light source unit is provided. The light source unit is disposed under the at least one optical film, and a space is formed between the light source unit and the at least one optical film. The light source unit includes a plurality of light emitting elements and a plurality of secondary lenses. The light emitting elements are arranged along a direction parallel to the at least one optical film. The secondary lenses are correspondingly disposed on the light emitting elements and each of the secondary lenses has a patterned reflective layer. Each of the secondary lenses has a light hole radius R, a distance between a distribution range of the patterned reflective layer and a bottom of the corresponding secondary lenses is H, and the distribution range of the patterned reflective layer satisfies 1. A light source module , comprising:at least one optical film; and 'a plurality of light emitting elements, arranged along a direction parallel to the at least one optical film; and', 'a light source unit, disposed under the at least one optical film, a space being formed between the light source unit and the at least one optical film, and the light source unit comprisinga plurality of secondary lenses, correspondingly disposed on the light emitting elements, and each of the secondary lenses having a patterned reflective layer, wherein each of the secondary lenses is a reflective secondary lens, and the patterned reflective layer covers an upper surface of the corresponding secondary lens, andwherein each of the secondary lenses has a light hole radius R, a distance between a distribution range of the patterned reflective layer and a bottom of the corresponding secondary lens is H, and the distribution range of the patterned reflective layer satisfies 1/3R Подробнее

Номер записи: 42
14-01-2021 дата публикации

PROCESS FOR PRODUCING A PHASE DIFFERENCE CONTROL COMPONENT AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20210011320A1
Автор: IKEGAMI Kanami, MORIYA Norihisa
Принадлежит: Dai Nippon Printing Co., Ltd.

There are provided a phase difference control component, which can realize a liquid crystal display device having a wide angle of visibility, has excellent phase difference symmetry and can realize optical compensation, and a process for producing the same. The phase difference control component comprises a base material; and a phase difference control layer formed of a fixed liquid crystal material provided on the base material through an aligning film and is characterized in that the angle of liquid crystal molecules, present at the interface of the aligning film and the phase difference control layer, to the base material being substantially 0 (zero) degree. 1. A phase difference control component comprising:a base material; anda phase difference control layer formed of a fixed liquid crystal material provided on said base material through a photo-aligned aligning film,wherein the photo-aligned aligning film develops a liquid crystal structure in which liquid crystal molecules, present at the interface of the photo-aligned aligning film and the phase difference control layer, are aligned at a pretilt angle of substantially 0 degree.2. The phase difference control component according to claim 1 , wherein said phase difference control layer has positive birefringence properties and the optical axis thereof is parallel to the plane of the phase difference control layer.4. The phase difference control component according to claim 3 , wherein said phase difference control layer has positive birefringence properties and the optical axis thereof is parallel to the plane of the phase difference control layer and the liquid crystal material comprises one or more of the three-dimensionally crosslinkable compound represented by formulae (I) to (XI).5. The phase difference control component according to claim 1 , wherein the base material comprises triacetylcelluloses or glass.6. The phase difference control component according to claim 1 , wherein the base material ...

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Номер записи: 43
10-01-2019 дата публикации

DISPLAY DEVICE

Номер: US20190011737A1
Автор: KASHIMA Miki, QIN Guangkui
Принадлежит:

Disclosed is a display device, which includes: a display panel, and a frontlight source arranged on at least one side of the display panel, where light emitted from the frontlight source is collimated light in the direction perpendicular to a light incidence face of the display panel. The light emitted from the frontlight source can only be incident onto the display panel in the direction perpendicular to the light incidence face of the display panel, and the light emitted from the frontlight source is collimated light with a uniformly distributed intensity in the direction perpendicular to the light incidence face of the display panel, so there is a uniform intensity distribution of light beams incident onto the display panel, thus resulting in high uniformity of brightness, and high contrast in the display device. 1. A display device , comprising: a display panel , and a frontlight source arranged on at least one side of the display panel , wherein:light emitted from the frontlight source is collimated light in a direction perpendicular to a light incidence face of the display panel.2. The display device according to claim 1 , wherein there is a rectangular wave front of the light emitted from the frontlight source claim 1 , and a shorter side of the wave front is perpendicular to the light incidence face of the display panel.3. The display device according to claim 2 , wherein light emitted from the frontlight source in a direction along a longer side of the wave front is collimated light.4. The display device according to claim 2 , wherein the light incidence face of the display panel is a rectangle claim 2 , the frontlight source is arranged on a longer side of the display panel claim 2 , and a longer side of the wave front is parallel to a longer side of the display panel.5. The display device according to claim 3 , wherein a tangent of an angle between a normal to the wave front claim 3 , and a shorter side of the display panel is a ratio of the shorter side ...

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Номер записи: 44
14-01-2021 дата публикации

OPTICAL ARRANGEMENT FOR IMPROVING THE DISPLAY QUALITY OF A DISPLAY

Номер: US20210011330A1
Автор: WAMMES KLAUS
Принадлежит:

An optical arrangement includes at least the following components which are arranged along an optical axis: a light source for polarized light; a layer arrangement, which, viewed in the viewing direction of a viewer, includes at least one polarization filter and an optical retardation layer behind the polarization filter. The polarization filter abuts the retardation layer free of gaps. An interstice is located between the light source and the layer arrangement. The interstice has a volume about the optical axis, that is surrounded by optically impermeable and internally non-reflecting, but absorbent peripheral surfaces. In the interstice, there is at least one semi-permeable boundary surface which is permeable to the light emitted by the light source and is at least partially reflective for light that is incident in the opposite direction. 115-. (canceled)16. An optical arrangement , comprising the following components arranged along an optical axis:a light source for polarized light;a layer arrangement with, viewed in a viewing direction of a viewer, at least one polarization filter and an optical retardation layer behind said at least one polarization filter, said polarization filter abutting said retardation layer free of gaps;said light source and said layer arrangement being disposed with an interstice therebetween, said interstice forming a volume about the optical axis and said volume being surrounded by optically impermeable and internally non-reflecting, but absorptive peripheral surfaces; andat least one semi-permeable boundary surface in said interstice, said boundary surface being permeable to the light emitted by said light source and at least partially reflective for light incident in an opposite direction.17. The optical arrangement according to claim 16 , wherein said light source comprises an electronic display and claim 16 , optionally claim 16 , an upstream additional polarization filter.18. The optical arrangement according to claim 16 , wherein ...

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Номер записи: 45
10-01-2019 дата публикации

Display device

Номер: US20190011773A1
Автор: Junho Song, Seunghyun PARK
Принадлежит: Samsung Display Co Ltd

A display device includes a liquid crystal display panel including a first substrate, a second substrate facing the first substrate and including a reflective layer, and a liquid crystal layer disposed between the first and second substrates, a light control member disposed on the liquid crystal display panel and including a first optical part, and a polarizing member disposed on the light control member and including a polarizer. The liquid crystal layer includes a first liquid crystal molecule adjacent to the first substrate, and a long axis of the first liquid crystal molecule projected on the first substrate is aligned in a first direction. An extending direction of a long axis of the first optical part projected on the first substrate is parallel to the first direction, and the polarizer has a transmission axis extending in a second direction.

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Номер записи: 46
10-01-2019 дата публикации

BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20190011781A1
Автор: Yang Zhou
Принадлежит:

The present disclosure relates to a backlight module and a display device. The backlight module includes: a back plate; a reflective sheet and a plurality of light sources sequentially disposed at one side of the back plate; and an optical film disposed at one side of the reflective sheet facing away from the back plate and at a given distance between the reflective sheet, characterized in that it further includes: at least one transflective film disposed at one side of the optical film facing the light source. 1. A backlight module , comprising:a back plate;a reflective sheet and a plurality of light sources sequentially disposed at one side of the back plate; andan optical film disposed at one side of the reflective sheet facing away from the back plate and at a given distance from the reflective sheet,wherein the backlight module further comprises at least one transflective film disposed at one side of the optical film facing the light sources.2. The backlight module according to claim 1 ,wherein the number of the transflective films is the same as the number of light sources, and the transflective films are arranged in a one-to-one correspondence with the light sources.3. The backlight module according to claim 2 ,wherein each transflective film is in a shape of central symmetry, and an orthographic projection of a centroid of the transflective film on the back plate coincides with a light emission center of a corresponding light source.4. The backlight module according to claim 3 ,wherein the transflective film is in a shape of circular or regular polygon.5. The backlight module according to claim 3 ,wherein an area of the transflective film is larger than an area of the light source.6. The backlight module according to claim 2 ,wherein a maximum width of each transflective film and a maximum width of a corresponding light source satisfy a relation: 2H Подробнее

Номер записи: 47
09-01-2020 дата публикации

DISPLAY DEVICE

Номер: US20200012033A1
Автор: MOTOOKA Munenori, Suzuki Nobuyuki
Принадлежит:

A backlight unit includes a light source having an emission region, a wiring board having the light source mounted thereon, a light guide plate having a side surface into which light from the light source enters, and a front surface from which the light exits, a light shielding adhesive tape adhering to the wiring board, and an optical sheet which overlaps with the front surface of the light guide plate. The front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region ranging from the side surface to the effective region. The wiring board and the light-shielding adhesive tape each have a part positioned in the light entering region, and the optical sheet is arranged from the effective region to the light entering region. An end portion of the optical sheet overlaps with the light-shielding tape. 1. A display device comprising:a display panel; anda backlight including a light emitting diode, a wiring board, a light guide plate, an optical sheet, and a light shielding tape,whereinthe light emitting diode has an emission region and is mounted on the wiring board,the light guide plate has a side surface into which light from the light emitting diode enters, and a front surface from which the light exits,the optical sheet overlaps with the front surface of the light guide plate,the light shielding tape adheres to the wiring board,the front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region between the side surface and the effective region, andthe optical sheet overlaps with the light shielding tape in the light entering region.2. The display device according to claim 1 , wherein the light shielding tape overlaps with the light emitting diode.3. The display device according to claim 1 , wherein the light shielding tape adheres to the optical sheet.4. The display device according to claim 1 , wherein the light shielding tape adheres to ...

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Номер записи: 48
09-01-2020 дата публикации

IMAGE-GENERATION DEVICE FOR A HEAD-UP DISPLAY AND METHOD FOR CONTROLLING SUCH A DEVICE

Номер: US20200012098A1
Автор: Irzyk Michael
Принадлежит: VALEO COMFORT AND DRIVING ASSISTANCE

The invention relates to an image-generation device () for a head-up display (), comprising: a light source, a light modulator suitable for spatially modulating the light emitted by the light source, and a computer () suitable for controlling the light of source and the light modulator such that they generate an image. According to the invention, the light source is composed of a plurality of separate light elements, and the computer is able to modulate the light intensity emitted by each light element independently of the light intensity emitted by the other light elements. 1. An image-generating device for head-up display , comprising:a light source;a light modulator for spatially modulating the light emitted by the light source; anda computer for controlling the light source and the light modulator so that they generate an image,wherein the light source is formed by several distinct light elements, andthe computer modulates the light intensity emitted by each light element independently of the light intensities emitted by the other light elements.2. The image-generating device as claimed in claim 1 , wherein an optical assembly is provided which is interposed between the light source and the light modulator and which contains the light emitted by each light element to a corresponding effective zone of the light modulator.3. The image-generating device as claimed in claim 2 , wherein the optical assembly is such that each effective zone of the light modulator is distinct from the other effective zones and contiguous to other effective zones.4. The image-generating device as claimed in claim 2 , wherein claim 2 , the image to be generated is composed of different parts each adapted to be formed by one of the effective zones of the light modulator and by the corresponding light element claim 2 , wherein the computer comprises:means for acquiring the image to be generated,detection means adapted to check whether, in each part of the image to be generated, there is ...

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Номер записи: 49
09-01-2020 дата публикации

BACKLIGHT MODULE, DISPLAY DEVICE AND DRIVING METHOD THEREOF

Номер: US20200012129A1
Автор: Wu Yanbing
Принадлежит:

A backlight module, a display device and a driving method are disclosed. The backlight module includes a first light guide plate and a second light guide plate arranged oppositely, a first light source and a second light source. A surface of the first light guide plate facing the second light guide plate is a light exit surface of the first light guide plate. The first light source is arranged at a light entrance surface of the first light guide plate. The second light source is arranged at a light entrance surface of the second light guide plate. The first light guide plate includes a light guide element guiding light along a direction perpendicular to the light exit surface of the first light guide plate. The second light guide plate includes a scattering element. 1. A backlight module comprising: a first light guide plate and a second light guide plate arranged oppositely , a first light source and a second light source;wherein a surface of the first light guide plate facing the second light guide plate is a light exit surface of the first light guide plate; the first light source is arranged at a light entrance surface of the first light guide plate; the second light source is arranged at a light entrance surface of the second light guide plate; the first light guide plate comprises a light guide element guiding light along a direction perpendicular to the light exit surface of the first light guide plate; the second light guide plate comprises a scattering element;and wherein the first light guide plate comprises a light guide plate body and a narrow viewing angle structure arranged on a light exit surface of the light guide plate body, and the narrow viewing angle structure is capable of reducing a divergence degree of light emitted from the first light source and exiting from the light guide plate body.2. The backlight module according to claim 1 , wherein the narrow viewing angle structure comprises a plurality of blades parallel to each other claim 1 , the ...

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Номер записи: 50
09-01-2020 дата публикации

DISPLAY DEVICE AND HEAT EXCHANGER THEREOF

Номер: US20200012143A1
Автор: Wang Tsun-I, Wu Ching-Chun, Yang Chia-Liang
Принадлежит:

A heat exchanger for an electronic device including a light module is provided. The heat exchanger includes an internal heat exchange portion configured to be adjacently attached to the light module. The internal heat exchange portion has at least one internal heat dissipation channel. The internal heat dissipation channel is connected with a device space of the electronic device. A high temperature gas flow generated by the light module is enabled to pass through the device space and the internal heat dissipation channel. 1. A heat exchanger for an electronic device comprising a light module , the heat exchanger comprising:an internal heat exchange portion configured to be adjacently attached to the light module, the internal heat exchange portion having at least one internal heat dissipation channel, the at least one internal heat dissipation channel being connected with a device space of the electronic device, wherein a high temperature gas flow generated by the light module is enabled to pass through the device space and the at least one internal heat dissipation channel.2. The heat exchanger according to claim 1 , further comprising an external heat exchange portion in thermal contact with the internal heat exchange portion claim 1 , the external heat exchange portion having an external heat dissipation structure non-connected with the at least one internal heat dissipation channel claim 1 , wherein an ambient air flow is enabled to pass through the external heat dissipation structure.3. The heat exchanger according to claim 2 , wherein the external heat dissipation structure has at least one external heat dissipation channel claim 2 , and the ambient air flow is enabled to pass through the at least one external heat dissipation channel.4. The heat exchanger according to claim 2 , wherein the external heat dissipation structure comprises a plurality of heat sink fins claim 2 , and the ambient air flow is enabled to pass through the plurality of heat sink fins.5 ...

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Номер записи: 51
09-01-2020 дата публикации

BACKLIGHT MODULE AND DISPLAY TERMINAL

Номер: US20200012151A1
Автор: Chen Yu, Han Jianguo, Ma Ji, Tang Zhiqiang
Принадлежит: Qingdao Hisense Electronics Co., Ltd.

A backlight module and a display terminal are disclosed. As an example, the backlight module includes at least one lamp board, a plurality of LED lamps, and at least one wire terminal. The at least one lamp board includes a first surface and a second surface opposite to the first surface. The plurality of LED lamps is arranged in an array on the first surface. The at least one wire terminal is disposed on the second surface and electrically connected to the plurality of LED lamps. 1. A backlight module , comprising:at least one lamp board, comprising a first surface and a second surface opposite to the first surface;a plurality of light emitting diode (LED) lamps arranged in an array on the first surface; andat least one wire terminal disposed on and attached to the second surface and electrically connected to the plurality of LED lamps.2. The backlight module according to claim 1 , further comprising:a backplane facing the second surface of the lamp board; andat least one receptacle structure formed on the backplane;wherein the at least one lamp board is coupled to the backplane such that the at least one wire terminal is accommodated in the at least one receptacle structure.3. The backlight module according to claim 2 , further comprising:a driving module disposed on the second surface of the lamp board and configured to control light emission of the plurality of LED lamps.4. The backlight module according to claim 3 , wherein the driving module is accommodated in the at least one receptacle structure.5. The backlight module according to claim 2 , wherein the at least one receptacle structure comprises an aperture structure or a recess structure formed on the backplane.6. The backlight module according to claim 2 , further comprising:at least one wire routing structure formed on the backplane, configured to accommodate and route at least one external wire connected to the at least one wire terminal.7. The backlight module according to claim 2 , wherein the ...

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Номер записи: 52
09-01-2020 дата публикации

DISPLAY DEVICE

Номер: US20200012152A1
Автор: CHU Cheng-Jen, Shih Ming-Chia, WEI Chung-Kuang
Принадлежит:

A display device including a backlight plate, a first panel and a second panel is provided. The backlight plate includes a plurality of light emission modules. The first panel is disposed on the backlight plate. The second panel is disposed on the first panel. Each of the plurality of light emission modules includes at least one luminescent element. A first light emission module of the plurality of light emission modules corresponds to a region of the first panel including a plurality of first pixels. Responsive to the at least one luminescent element of the first light emission module being activated, the at least one luminescent element of a second light emission module of the plurality of light emission modules is activated. The second light emission module is adjacent to the first light emission module. 1. A display device comprising:a backlight plate comprising a plurality of light emission modules;a first panel disposed on the backlight plate; anda second panel disposed on the first panel;wherein each of the plurality of light emission modules comprises at least one luminescent element, and a first light emission module of the plurality of light emission modules corresponds to a region of the first panel comprising a plurality of first pixels,wherein responsive to the at least one luminescent element of the first light emission module being activated, the at least one luminescent element of a second light emission module of the plurality of light emission modules is activated, and the second light emission module is adjacent to the first light emission module.2. The display device as claimed in claim 1 , wherein a brightness of the second light emission module is less than a brightness of the first light emission module.3. The display device as claimed in claim 1 , further comprising:a diffusion plate disposed between the first panel and the second panel; anda first adhesive disposed between the diffusion plate and the second panel.4. The display device as ...

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Номер записи: 53
09-01-2020 дата публикации

LIGHT-EMITTING DEVICE, PLANAR LIGHT SOURCE DEVICE AND DISPLAY DEVICE

Номер: US20200012153A1
Автор: MOMOI Takuro
Принадлежит: Enplas Corporation

This light-emitting device has a light-emitting element and a light flux control member. The light flux control member has an entry surface, a light control surface, a back surface, and a ring-shaped groove. The light control surface includes a first transmission portion, a total reflection portion, and a second transmission portion. The ring-shaped groove includes a first inner surface and a second inner surface. A second light beam, which is a light beam that is part of the light beam emitted from the light-emitting center of the light-emitting element, enters the interior of the light flux control member at the entry surface, is totally reflected at the total reflection portion, then internally reflected at the second inner surface, and exits from the second transmission portion to the exterior of the light flux control member. 1. A light emitting device comprising a light emitting element and a light flux controlling member configured to control a distribution of light emitted from the light emitting element ,wherein an optical axis of the light emitting element and a central axis of the light flux controlling member are aligned with each other;wherein the light flux controlling member includes:an incidence surface that is an inner surface of a recess disposed to intersect the central axis and to open toward a rear side, the incidence surface being configured to allow incidence of the light emitted from the light emitting element;a light control surface disposed on a front side to intersect the central axis, the light control surface being configured to control a distribution of light entered from the incidence surface;a rear surface disposed on the rear side to surround an opening edge of the recess; andan annular groove formed in a circular shape in the rear surface to surround the opening edge of the recess;wherein the annular groove includes:a first inner surface disposed on a central axis side; anda second inner surface disposed at a position farther from ...

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Номер записи: 54
09-01-2020 дата публикации

DISPLAY DEVICE

Номер: US20200012155A1
Автор: Inamura Hiroshi, Kaneko Hideki, MIZUNO Manabu, Okuyama Kentaro, Sugiyama Hiroki
Принадлежит: Japan Display Inc.

A display device according to one aspect of the present invention includes a first substrate including a pixel portion and a terminal portion, a second substrate arranged to face the pixel portion, a first light source device arranged in the terminal portion, and irradiating a first end surface of the second substrate with first light, a liquid crystal layer arranged between the first substrate and the second substrate, and a semiconductor element arranged on a side opposite to a side of the pixel portion across the first light source device, and electrically coupled with the terminal portion, wherein the first light is propagated while reflected between the first substrate and the second substrate, and the liquid crystal layer modulates the propagated first light. 16-. (canceled)7. A display device comprising:a first substrate including a pixel portion;a second substrate arranged to face the pixel portion, the second substrate including a pair of first end portions and a pair of second end portions that is shorter than the pair of the first end portions;a first light source device opposing one of the first end portions and irradiating one of the first end portions with first light;a second light source device opposing the other of the first end portions irradiating the other of the first end portions with second light;a liquid crystal layer arranged between the first substrate and the second substrate, the liquid crystal layer including polymer and fine liquid crystal particles dispersed in the polymer;a semiconductor element opposing the one of the first end portions; anda flexible printed circuit substrate opposing the one of the first end portions,wherein:the first light from the first light source device is propagated from the one of the first end portions to the other of the first end portions, and the second light from the second light source device is propagated from the other of the first end portions to the one of the first end portions, while the first ...

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Номер записи: 55
09-01-2020 дата публикации

LIQUID CRYSTAL CURED FILM AND METHOD FOR MANUFACTURING SAME

Номер: US20200012156A1
Автор: FUJIWARA Natsumi, Ikeda Akira, Nakajima Shunpei
Принадлежит: ZEON CORPORATION

A method for producing a liquid crystal cured film including a liquid crystal cured layer formed of a cured product of a liquid crystal composition including a liquid crystal compound capable of expressing a birefringence with reverse wavelength distribution and a polymerization initiator, the method including: a step of forming a layer of the liquid crystal composition; a step of giving orientation to the liquid crystal compound contained in the layer of the liquid crystal composition; and a step of curing the layer of the liquid crystal composition, wherein a residue content viscosity of a test composition is 800 cP or less under a condition of a temperature that is the same as a temperature of the layer in the step of giving orientation to the liquid crystal compound, the test composition being the liquid crystal composition from which the polymerization initiator is omitted. 1. A method for producing a liquid crystal cured film including a liquid crystal cured layer formed of a cured product of a liquid crystal composition including a liquid crystal compound capable of expressing a birefringence with reverse wavelength distribution and a polymerization initiator , the method comprising:a step of forming a layer of the liquid crystal composition;a step of giving orientation to the liquid crystal compound contained in the layer of the liquid crystal composition; anda step of curing the layer of the liquid crystal composition, whereina residue content viscosity of a test composition is 800 cP or less under a condition of a temperature that is the same as a temperature of the layer in the step of giving orientation to the liquid crystal compound, the test composition being the liquid crystal composition from which the polymerization initiator is omitted.2. The method for producing a liquid crystal cured film according to claim 1 , wherein the liquid crystal composition includes a surfactant containing a fluorine atom.3. The method for producing a liquid crystal ...

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Номер записи: 56
03-02-2022 дата публикации

Behind Display Polarized Optical Transceiver

Номер: US20220035200A1
Автор: Cai Wenrui, Chen Tong, Lin Tsu-Hui, Winkler Mark T., Xiang Xiao, Yang Ruonan
Принадлежит:

Configurations for display stacks of an electronic device and methods for mitigating crosstalk are disclosed. The display stack may include a transceiver module, which may be located under or behind the display. The transceiver module may include a transmitter module, which may provide polarized light from the transmitter that may suppress module crosstalk. The transceiver module also may include a receiver module, which may include polarization control elements and an analyzer for differentiating between a target signal and a crosstalk signal. The polarization control on both the transmitter module and receiver module sides may suppress the crosstalk signals, which may be due to the reflections between and within the elements of the display stack and resulting from positioning the transceiver module behind the display. 1. An optoelectronic device for mitigating crosstalk , comprising:a housing;a cover glass attached to the housing;a display disposed within the housing and viewable through the cover glass; a transmitter polarization control element, and', 'an optical emitter configured to emit light toward the transmitter polarization control element, the transmitter polarization control element changing a polarization state of light and passing the polarized light toward the display; and, 'a transmitter module positioned under the display and comprising a receiver polarization control element; and', 'an optical receiver configured to detect a portion of the polarized light reflected off a target external to the cover glass and received through the receiver polarization control element., 'a receiver module positioned under the display and comprising2. The optoelectronic device of claim 1 , wherein: the cover glass;', 'the display;', 'the transmitter module;', 'the receiver module; and', 'a thin film transistor stack positioned under the display;, 'the optoelectronic device further comprises a display stack, the display stack comprisingthe polarized light suppresses ...

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Номер записи: 57
18-01-2018 дата публикации

NEW CLASS OF ORGANIC PHOSPHORS BASED ON DERIVATIVES OF BENZIMIDAZOXANTHENOISOQUINOLINONE FOR LED LIGHTING

Номер: US20180016491A1
Автор: Hamon Sylvain Loic Jean-Luc, Hikmet Rifat Ata Mustafa, LUB JOHAN, VAN HAL Paulus Albertus
Принадлежит:

The invention provides a lighting device () comprising (a) a light source () configured to generate light source light (), and (b) a light converter () configured to convert at least part of the light source light () into visible converter light (), wherein the light converter () comprises a matrix () containing a luminescent material () based on derivatives of benzimidazoxanthenoisoquinolinone. The lighting device may further comprise a further luminescent material (). 4. The lighting device according to claim 3 , wherein at least two of D claim 3 , E claim 3 , I claim 3 , L and M are H.5. The lighting device according to claim 1 , wherein at least ten of G1-G12 independently are H.6. The lighting device according to claim 1 , wherein independently one or more of G2 and G7 for the organic phosphor IA comprise R1 or OR1 according to any one of - claim 1 , wherein D claim 1 , E claim 1 , I claim 1 , L and M are H claim 1 , and wherein at least four of G1 claim 1 , G3 claim 1 , G4 claim 1 , G5 claim 1 , G6 claim 1 , G8 claim 1 , G9 claim 1 , G10 claim 1 , G11 and G12 independently are H.7. The lighting device according to claim 6 , wherein at least eight of G1 claim 6 , G3 claim 6 , G4 claim 6 , G5 claim 6 , G6 claim 6 , G8 claim 6 , G9 claim 6 , G10 claim 6 , G11 and G12 independently are H.9. The lighting device according to claim 1 , wherein the matrix comprises a polymeric material.10. The lighting device according to claim 1 , wherein the matrix comprises an aromatic polyester or a copolymer thereof.11. The lighting device according to claim 1 , wherein one or more of G1 claim 1 , G2 claim 1 , G3 claim 1 , G4 claim 1 , G5 claim 1 , G6 claim 1 , G7 claim 1 , G8 claim 1 , G9 claim 1 , G10 claim 1 , G11 claim 1 , and G12 comprise a covalent link with the matrix.12. (canceled)14. (canceled)15. The luminescent material according to claim 1 , comprising 6 claim 1 ,16-diphenyl-8H-benzo[3 claim 1 ,4]isochromeno[7 claim 1 ,8 claim 1 ,1-def]benzo[4 claim 1 ,5]imidazo[1 ...

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Номер записи: 58
19-01-2017 дата публикации

LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZING PLATE PROTECTIVE FILM

Номер: US20170017118A1
Автор: Saitoh Yukito, YONEMOTO Takashi
Принадлежит: FUJIFILM Corporation

One embodiment of the present invention relates to a liquid crystal panel including a liquid crystal panel member including a visible side polarizer, a liquid crystal cell, and a backlight side polarizer; and an optical conversion member including an optical conversion layer containing a quantum dot emitting fluorescent light which is excited by incident excitation light, in which the optical conversion member is integrally laminated on a backlight side surface of the liquid crystal panel member, a liquid crystal display device, a polarizing plate, and a polarizing plate protective film. 1. A liquid crystal panel , comprising:a liquid crystal panel member including a visible side polarizer, a liquid crystal cell, and a backlight side polarizer; andan optical conversion member including an optical conversion layer containing a quantum dot emitting fluorescent light which is excited by incident excitation light,wherein the optical conversion member is integrally laminated on a backlight side surface of the liquid crystal panel member.2. The liquid crystal panel according to claim 1 ,wherein the optical conversion member includes at least one barrier layer.3. The liquid crystal panel according to claim 1 , further comprising:a brightness enhancement film,wherein the backlight side polarizer, the brightness enhancement film, and the optical conversion layer are provided in this order.4. The liquid crystal panel according to claim 3 ,wherein the brightness enhancement film includes a reflection polarizer including a cholesteric liquid crystal layer allowing circularly polarized light to exit, and further includes a λ/4 plate between the reflection polarizer and the backlight side polarizer.5. The liquid crystal panel according to claim 3 ,wherein the brightness enhancement film includes a reflection polarizer allowing linearly polarized light to exit.6. The liquid crystal panel according to claim 3 ,wherein the brightness enhancement film includes an optically functional ...

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Номер записи: 59
19-01-2017 дата публикации

DISPLAY DEVICE AND BACKLIGHT UNIT INCLUDED THEREIN

Номер: US20170017120A1
Автор: CHAE Seung Hun, CHO Jae Hak, Choi Sung Ho, HA Hyung Jin, Kim Tae-Hyeong, KWON Yong-hun, Lee Jong Cheol, LEE Young Chol, PARK Chun Soon
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A display device including a backlight unit; and an image forming unit configured to transmit or block light emitted from the backlight unit to create an image, wherein the backlight unit includes a light source, a reflector sheet configured to absorb light having a predetermined wavelength range among light emitted from the light source, and to reflect non-absorbed light, and an optical sheet configured to absorb light having the predetermined wavelength range among the light emitted from the light source, and to transmit non-absorbed light. 1. A display device , comprising:a backlight unit; andan image forming unit configured to one of transmit and block light emitted from the backlight unit to form an image, a light source;', 'a reflector sheet configured to absorb light having a predetermined wavelength range among light emitted from the light source, and to reflect non-absorbed light; and', 'an optical sheet configured to absorb light having the predetermined wavelength range among the light emitted from the light source, and to transmit the non-absorbed light., 'wherein the backlight unit comprises2. The display device according to claim 1 , wherein the reflector sheet comprises:a selective light absorption layer configured to absorb at least one of yellow light and orange light; anda reflector film configured to reflect incident light.3. The display device according to claim 2 , wherein the selective light absorption layer contains tetra-aza-porphyrin to absorb light having a wavelength range of about 570 nm to about 610 nm.4. The display device according to claim 3 , wherein the reflector sheet is formed by applying the tetra-aza-porphyrin to the reflector film.5. The display device according to claim 2 , wherein the selective light absorption layer contains a selective light absorption material to absorb light having a wavelength maximum of about 585 nm.6. The display device according to claim 1 , wherein the optical sheet comprises:a selective light ...

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Номер записи: 60
19-01-2017 дата публикации

PHOTOLUMINESCENT DISPLAY DEVICE

Номер: US20170017124A1
Автор: Chung Seunghwan, Kim Donghoon, KIM Youra, PARK Young-min, YOU Junwoo
Принадлежит:

A photoluminescent display device includes a backlight unit, an optical sheet provided on the backlight unit, and a display panel provided on the optical sheet where the display panel includes a first substrate, a first polarizing plate provided on the first substrate, and a color conversion layer provided on the first polarizing plate and including a photoexcitation member, the optical sheet includes a plurality of first optical parts and a plurality of second optical parts, each of the first optical parts has a first refractive index, and the second optical parts are provided alternately with the first optical parts in a plan view and each of the second optical parts has a second refractive index greater than the first refractive index. 1. A photoluminescent display device , comprising:a backlight unit;an optical sheet provided on the backlight unit; anda display panel provided on the optical sheet, a first substrate;', 'a first polarizing plate provided on the first substrate; and', 'a color conversion layer provided on the first polarizing plate and including a photoexcitation member, and, 'wherein the display panel includes'} a plurality of first optical parts each of which has a first refractive index; and', 'a plurality of second optical parts which are provided alternately with the plurality of first optical parts in a plan view, and each of which has a second refractive index greater than the first refractive index., 'the optical sheet includes'}2. The photoluminescent display device of claim 1 , wherein each of the plurality of first optical parts includes at least one of acryl-based resin claim 1 , fluorine-based resin claim 1 , silicon-based resin claim 1 , polycarbonate-based resin claim 1 , polyamide-based resin claim 1 , polystyrene-based resin claim 1 , polyvinylchloride-based resin claim 1 , polyester-based resin claim 1 , polyolefin-based resin claim 1 , polyethylene-based resin claim 1 , polypropylene-based resin claim 1 , and polybutylene-based ...

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Номер записи: 61
21-01-2016 дата публикации

DISPLAY DEVICE

Номер: US20160018699A1
Автор: CHAE Sunki, JOUNG Juyoung, LEE Kyungjoon, PARK Jihee
Принадлежит:

A display device, according to an embodiment of the present disclosure, includes a substrate, a light emitting unit comprising a light emitting element mounted on the substrate and a lens placed on the upper side of the light-emitting element, a reflective layer arranged on the upper surface of the substrate, an optical sheet arranged on the upper side of the reflective layer and disposed at a height spaced apart from the light emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein a center portion of the upper surface of the lens is recessed at a predetermined depth and formed in the shape of a continuous straight line, and the upper surface thereof has an aspheric shape that is curved at a predetermined curvature from the center portion toward the edges, so as to have an anisotropic distribution of light.

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Номер записи: 62
21-01-2016 дата публикации

LIGHT EMITTING DEVICE AND BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME

Номер: US20160018701A1
Автор: Tseng Yi-Wei, YANG Hui-Lin, YU Wen-Shen
Принадлежит: InnoLux Corporation

A light emitting device comprising a light emitting element and a secondary optical element is disclosed. The secondary optical element has a light output surface, a light incident surface and a bottom surface. The bottom surface is extended from the light incident surface and connected to the light output surface. The light output surface comprises a planar portion, and a convex curved surface portion. The planar portion is in the center of the light output surface, and the convex curved surface portion is around the planar portion. The light incident surface is a concave curved surface comprising a first curved surface and a second curved surface, which form a concave opening for receiving the light emitting element. The first curved surface is in the center of the light incident surface, and the second curved surface is connected to the bottom surface.

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Номер записи: 63
18-01-2018 дата публикации

TUNABLE TERAHERTZ ACHROMATIC WAVE PLATE AND A TERAHERTZ ACHROMATIC RANGE TUNING METHOD

Номер: US20180017822A1
Автор: Hsieh Cho-Fan, Pan Ci-Ling, Pan Ru-Pin, Shih Fang-Cih, Yang Chan-Shan
Принадлежит: National Tsing Hua University

A tunable terahertz achromatic wave plate including at least three phase retarders and a tuning device is provided. The at least three phase retarders are sequentially arranged along a first direction, and configured to provide an achromatic range in a terahertz band, so as to reduce a chromatic aberration of a terahertz wave through the tunable terahertz achromatic wave plate in the achromatic range. The at least three phase retarders respectively include a liquid crystal cell. The tuning device is configured to tune a liquid crystal orientation angle of the liquid crystal cell, so as to correspondingly change a birefringence of the at least three phase retarders in the terahertz band. The terahertz wave through the tunable terahertz achromatic wave plate has same phase retardation in the achromatic range. The achromatic range in the terahertz band is determined according to the birefringence of the at least three phase retarders. 1. A tunable terahertz achromatic wave plate , comprising:at least three phase retarders, arranged along a first direction sequentially, and configured to provide an achromatic range in a terahertz band, so as to reduce a chromatic aberration of a terahertz wave through the tunable terahertz achromatic wave plate in the achromatic range, wherein the at least three phase retarders respectively comprise a liquid crystal cell; anda tuning device, configured to tune a liquid crystal orientation angle of the liquid crystal cell, so as to correspondingly change each birefringence of the at least three phase retarders in the terahertz band,wherein the terahertz wave through the tunable terahertz achromatic wave plate has a same phase retardation in the achromatic range, and the achromatic range in the terahertz band is determined according to each the birefringence of the at least three phase retarders.2. The tunable terahertz achromatic wave plate according to claim 1 , wherein the phase retardation is ¼ wavelength claim 1 , and the at least ...

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Номер записи: 64
17-01-2019 дата публикации

PRIVACY DISPLAY AND DUAL-MODE PRIVACY DISPLAY SYSTEM

Номер: US20190018186A1
Автор: Fattal David A.
Принадлежит:

A privacy display provides a private image exclusively visible within a viewing cone of a viewbox. The privacy display includes a light guide to guide light, a diffraction grating configured to diffractively couple out a portion of the guided light as diffractively coupled-out light and to direct the diffractively coupled-out light into the viewbox, and a light valve array configured to modulate the diffractively coupled-out light to provide the private image. An extent of the viewbox is determined by a collimation factor of the guided light. A dual-mode privacy display system further includes a broad-angle backlight configured to provide broad-angle light to separately provide a public image visible both inside and outside the viewing cone. The private image may be provided in a privacy mode and the public image may be provided in a public mode of the dual-mode privacy display system. 1. A privacy display comprising:a light guide configured to guide light according to a collimation factor;a diffraction grating at a surface of the light guide, the diffraction grating being configured to diffractively couple out a portion of the guided light from the light guide as diffractively coupled-out light and to direct the diffractively coupled-out light into a viewbox; anda light valve array configured to modulate the diffractively coupled-out light to provide a private image,wherein an extent of the viewbox is determined by the collimation factor, the private image being configured to be exclusively visible within a viewing cone of the viewbox to provide viewing privacy.2. The privacy display of claim 1 , wherein principal light beams of the diffractively coupled-out light are directed toward a middle of the viewbox.3. The privacy display of claim 1 , wherein the viewbox is a two-dimensional viewbox located in a plane parallel to the light guide surface claim 1 , and wherein the diffraction grating comprises a plurality of curved diffractive features configured to direct ...

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Номер записи: 65
17-01-2019 дата публикации

DISPLAY DEVICE

Номер: US20190018273A1
Автор: Kim Jin Suek, Lee Sang Hun, OH Se Joon, Park Sae Ron, Ryu Hyun Soo
Принадлежит:

A display device includes: a light unit for emitting blue light; a color conversion panel on the light unit; a display panel between the light unit and the color conversion panel, the display panel comprising transistors; and column spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors. The color conversion panel includes: a substrate; color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals; a transmission layer between the substrate and the display panel; and polarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel. The column spacers include a pigment that absorbs blue light. 1. A display device comprising:a light unit configured to emit blue light;a color conversion panel on the light unit;a display panel between the light unit and the color conversion panel, the display panel comprising transistors; andcolumn spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors,wherein the color conversion panel comprises:a substrate;color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals;a transmission layer between the substrate and the display panel; andpolarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel, andwherein the column spacers comprise a pigment that absorbs blue light.2. The display device of claim 1 , wherein the pigment comprises at least one of a red pigment claim 1 , an orange pigment claim 1 , or a yellow pigment.3. The display device of claim 1 , wherein the pigment is included in an amount of about 5 wt % to about 30 wt % with respect to a total amount of the column spacers.5. The display device of claim 1 , wherein a height of the ...

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Номер записи: 66
17-01-2019 дата публикации

Liquid crystal display

Номер: US20190018291A1
Автор: Yoshihisa Iwamoto
Принадлежит: Stanley Electric Co Ltd

A LCD device containing an active drive dot matrix LCD element, each pixel containing subsidiary pixels each having a color filter; a passive drive segment display LCD element laminated on rear side of the active drive LCD element, having segment electrode, arranged to be applied with a set voltage, the segment electrode having edge defining a segment shape; cross-nicol polarizers disposed on both outer sides of the LCD elements; controller circuit including first part controlling voltages to be applied to subsidiary pixels, and second part controlling voltages to be applied to the segment electrode; wherein the display device produce normally black display in the absence of applied voltage; and wherein when the segment electrode is activated, those subsidiary pixels in pixels outside the edge of the activated segment electrode are partly driven and partly not driven, displaying different color or intermediate grade, than the conventional art.

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Номер записи: 67
21-01-2021 дата публикации

DISPLAY DEVICE AND CONTROL METHOD THEREOF

Номер: US20210018674A1
Автор: GAO JIAN, MENG Xiandong, MENG Xianqin, Tan Jifeng, Wang Wei, ZHAO Wenqing
Принадлежит:

Display device, control method are provided, which includes: light guide plate including light incident side, bottom surface, opposite light exiting surface; light extracting structure, on light exiting or bottom surface, configured to make light propagated in total reflection in light guide plate exit from light exiting surface at predetermined angle; first low refractive index layer, covering light exiting surface, refractive index of which being smaller than that of light guide plate; liquid crystal light adjusting layer, including liquid crystal layer and driving electrodes for driving liquid crystal molecules, on side of first low refractive index layer away from light exiting surface; second low refractive index layer, on side of liquid crystal light adjusting layer away from first low refractive index layer, refractive index of which and refractive index of first low refractive index layer being smaller than initial refractive index of liquid crystal light adjusting layer. 120-. (canceled)21. A display device , comprising:a light guide plate, wherein the light guide plate comprises a light incident side, a bottom surface and a light exiting surface, and the bottom surface and the light exiting surface are opposite to each other; anda light extracting structure, arranged on a side of the light exiting surface or the bottom surface of the light guide plate and configured to enable light that is propagated in a totally reflected manner in the light guide plate to exit from the light exiting surface of the light guide plate at a predetermined angle.22. The display device according to claim 21 , further comprising:a first low refractive index layer, covering the light exiting surface of the light guide plate, wherein a refractive index of the light guide plate is greater than a refractive index of the first low refractive index layer.23. The display device according to claim 22 , further comprising:a liquid crystal light adjusting layer, comprising a liquid ...

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Номер записи: 68
16-01-2020 дата публикации

POLARIZING PLATE AND OPTICAL DISPLAY COMPRISING THE SAME

Номер: US20200019014A1
Автор: Lee Jeong Ho, OH Young, WEE Dong Ho
Принадлежит:

A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film, and the pattern layer includes a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, and the first layer includes a patterned portion at at least a portion thereof facing the second layer, the patterned portion including at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other. 1. A polarizing plate comprising:a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film,wherein the pattern layer comprises a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, andwherein the first layer comprises a patterned portion at at least a portion thereof facing the second layer, the patterned portion comprising at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other.2. The polarizing plate according to claim 1 , wherein a difference in index of refraction between the first layer and the second layer is 0.05 or more.3. The polarizing plate according to claim 1 , wherein the first layer comprises a particle-free resin layer.4. The polarizing plate according to claim 1 , wherein the second layer comprises a particle-free resin layer.5. The polarizing plate according to claim 1 , wherein each of the optical patterns comprises at least one of a lenticular lens pattern claim 1 , a pattern comprising a flat surface at a ...

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Номер записи: 69
16-01-2020 дата публикации

CHIP-MOUNTED BOARD, DISPLAY DEVICE, AND METHOD FOR PRODUCING CHIP-MOUNTED BOARD

Номер: US20200019016A1
Автор: Ban Atsushi, Ishida Takeshi, Itoh Yasuhisa, Oketani Taimi
Принадлежит:

A chip-mounted board including: micro light-emitting chips arranged in a matrix pattern in a light-emitting region; and a conductive line electrically connected to the micro light-emitting chips, the light-emitting region including a first region having a first luminance, a second region having a second luminance lower than the first luminance, and a third region having a third luminance lower than the first luminance and higher than the second luminance, the luminances being values determined with the same magnitude of current supplied to the micro light-emitting chips, the third region being positioned between the first region and the second region and satisfying the following formulas (1) and (2): 2. The chip-mounted board according to claim 1 ,wherein the chip-mounted board displays an image by controlling emission of the micro light-emitting chips.3. A display device comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the chip-mounted board according to ; and'}a liquid crystal panel disposed closer to a display surface than the chip-mounted board is,the display device displaying an image by allowing the liquid crystal panel to control an amount of light transmitted through the liquid crystal panel, the light emitted from the micro light-emitting chips.4. The display device according to claim 3 , further comprising a fluorescent sheet between the chip-mounted board and the liquid crystal panel claim 3 ,wherein the micro light-emitting chips emit blue light, andthe fluorescent sheet converts the blue light into red light or green light.5. A method for producing a chip-mounted board including micro light-emitting chips on a target substrate claim 3 , the method comprising:a step (1) of forming first micro light-emitting chips on a first semiconductor substrate;a step (2) of forming second micro light-emitting chips on a second semiconductor substrate; anda step (3) of transferring the first micro light-emitting chips on the first semiconductor substrate ...

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Номер записи: 70
16-01-2020 дата публикации

ILLUMINATION DEVICE AND DISPLAY DEVICE

Номер: US20200019017A1
Автор: KYOUKANE Youzou, Watanabe Hisashi, YASUNAGA Hirotoshi
Принадлежит:

[Object] To provide an illumination device that enables uniform illumination by preventing an air layer from intervening between an adhesive layer and a substrate through manual bonding of a reflection sheet, and a display device including the illumination device. 1. An illumination device , comprising:a substrate including a wiring pattern;a plurality of light sources connected to the wiring pattern;an adhesive layer disposed on the substrate; anda reflection sheet bonded to the substrate with the adhesive layer interposed therebetween,wherein the reflection sheet includes openings corresponding to the plurality of light sources,wherein, in a first direction, the reflection sheet is located between the substrate and light-emitting surfaces of the light sources, andwherein the substrate has an air vent in an area in which the wiring pattern is not disposed and the adhesive layer is disposed.2. The illumination device according to claim 1 , wherein the adhesive layer is disposed over an entirety of the reflection sheet.3. The illumination device according to claim 1 , wherein the adhesive layer extends in a stripe form in a longitudinal direction of the reflection sheet.4. The illumination device according to claim 1 , wherein the air vent is disposed on a straight line located to bisect a distance between adjacent two of the plurality of light sources in a longitudinal direction of the reflection sheet.5. The illumination device according to claim 1 , wherein a heat dissipation system is disposed on a surface of the substrate opposite to a surface on which the reflection sheet is laminated.6. The illumination device according to claim 5 , wherein the heat dissipation system includes a dissipator sheet.7. The illumination device according to claim 5 ,wherein the heat dissipation system includes a heat sink, andwherein the heat sink includes a body and a radiator fin.8. The illumination device according to claim 5 , wherein at least one of corners of each of the light ...

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Номер записи: 71
16-01-2020 дата публикации

Color Homogenizing Film for Displays with Direct-lit Backlight Units

Номер: US20200019019A1
Автор: Hong Ziruo, Liu Rong, Qi Jun, Sun Yu P., Yin Victor H.
Принадлежит:

A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a backlight unit. The backlight unit may include an array of light-emitting diodes and a light reflector that helps reflect light from the light-emitting diodes through the pixel array. A color conversion layer may be used to convert light from the light-emitting diodes from blue light to white light. A microlens array layer formed over the color conversion layer may spread the light from the color conversion layer to homogenize the light. To ensure light is emitted from the backlight with a uniform color, the microlens array layer may have different transmittance portions. A central portion of the microlens array layer may transmit more light and reflect less light than an edge portion of the microlens array layer. 1. A display , comprising:an array of pixels; and a two-dimensional array of light-emitting diode cells each of which includes at least one light-emitting diode that is configured to emit light;', 'a color conversion layer formed over the two-dimensional array of light-emitting diode cells; and', 'a microlens array layer formed over the color conversion layer, wherein the microlens array layer has a first portion with a first transmittance and a second portion with a second transmittance that is different than the first transmittance., 'a backlight configured to produce backlight illumination for the array of pixels, wherein the backlight comprises2. The display defined in claim 1 , wherein the light-emitting diodes in the two-dimensional array of light-emitting diode cells emit blue light and wherein the color conversion layer comprises a phosphor layer that converts the blue light from the light-emitting diodes to white light.3. The display defined in claim 2 , wherein the backlight further comprises:a dichroic filter interposed between the two-dimensional array of light-emitting diode cells and the color conversion ...

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Номер записи: 72
16-01-2020 дата публикации

LIGHT CONVERGENCE STRUCTURE AND BACKLIGHT MODULE

Номер: US20200019020A1
Автор: Gao Liang, Gao Lu, HAN Bo, JIE Jingbin, QIN Jianwei, Tang Hai
Принадлежит:

A light convergence structure includes light convergence portions. Each light convergence portion includes a frustum structure and a plano-convex structure. The frustum structure includes a first end surface and an opposite second end surface. An area of the first end surface is less than an area of the second end surface. The plano-convex structure is on the second end surface of the frustum structure. The plano-convex structure includes a flat surface and an opposite convex spherical surface. The flat surface is in contact with the second end surface. An area of the flat surface is equal to the area of the second end surface. The first end surfaces of the light convergence portions are coplanar and together define a light incident surface of the light convergence structure. 1. A light convergence structure comprising: a plurality of light convergence portions arranged in an array , wherein:each of the plurality of light convergence portions includes a frustum structure and a plano-convex structure;the frustum structure includes a first end surface and a second end surface, the first end surface and the second end surface are two opposite surfaces of the frustum structure, and an area of the first end surface is less than an area of the second end surface;the plano-convex structure is on the second end surface of the frustum structure, the plano-convex structure includes a flat surface and a convex spherical surface, the flat surface and the convex spherical surface are two opposite surfaces of the plano-convex structure, the flat surface is in contact with the second end surface, and an area of the flat surface is equal to the area of the second end surface;the first end surfaces of the plurality of light convergence portions are coplanar and together define a light incident surface of the light convergence structure.2. The light convergence structure of claim 1 , wherein the flat surface coincides with the second end face.3. The light convergence structure of ...

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Номер записи: 73
21-01-2021 дата публикации

DISPLAY BACKLIGHTING SYSTEMS WITH CANCELLATION ARCHITECTURE FOR CANCELING GHOSTING PHENOMENA

Номер: US20210018795A1
Автор: Brown James E., Calayir Vehbi, Rothenberg Bret
Принадлежит:

Aspects of the subject technology relate to an electronic device with a display. The display includes a first array of light-emitting diodes of a backlight unit to generate backlight for the display with each LED including an anode and a cathode. A first switch selectively couples a power supply voltage to a common anode of the first array of LEDs to control illumination of the first array of LEDs. A first discharge switch selectively couples a first voltage level to the common anode of the first array of LEDs to discharge the common anode to prevent an undesired current path through the first array of LEDs and associated undesired illumination. 1. An electronic device with a display , the display comprising:a first array of light-emitting diodes (LEDs) of a backlight unit to generate backlight for the display with each LED including an anode and a cathode;a first switch to selectively couple a power supply voltage to a common anode of the first array of LEDs to control illumination of the first array of LEDs; anda first discharge switch to selectively couple a first voltage level to the common anode of the first array of LEDs to discharge the common anode to prevent an undesired current path through the first array of LEDs and associated undesired illumination.2. The electronic device of claim 1 , further comprising:driver circuitry coupled to the first array of the LEDs, wherein the driver circuitry is configured to generate drive signals for causing illumination of the first array of LEDs when the first switch couples the power supply voltage to the common anode.3. The electronic device of claim 1 , wherein the first voltage level comprises a ground voltage level.4. The electronic device of claim 1 , wherein the first voltage level comprises a voltage level that is sufficient to discharge the common anode to a voltage level that is less than a threshold voltage level for illuminating the first array of LEDs.5. The electronic device of claim 1 , wherein the first ...

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Номер записи: 74
21-01-2021 дата публикации

ELECTRONIC APPARATUS INCLUDING LIGHT SOURCE UNIT AND METHOD OF FABRICATING THE SAME

Номер: US20210018796A1
Автор: Kim Taegyun, Lee Bum
Принадлежит:

A light source unit includes a plate including a front surface and a rear surface opposite to the front surface, a light scattering section on the front surface of the plate, a light controlling section on the light scattering section and including a plurality of quantum dots, a light source on the rear surface of the plate and including a light emitting element which generates light, a light emitting surface from which the light is emitted, and a plurality of lead frames connected to the light emitting element. The light source provides light from the rear surface of the plate toward the light controlling section. The light emitting surface of the light source is in contact with the rear surface of the plate. 1. A light source unit , comprising:a plate including a front surface and a rear surface opposite to the front surface;a light scattering section on the front surface of the plate;a light controlling section on the light scattering section, wherein the light controlling section includes a plurality of quantum dots;a light source on the rear surface of the plate, wherein the light source includes a light emitting element which generates light, a light emitting surface from which the light is emitted, and a plurality of lead frames connected to the light emitting element,wherein the light source provides light from the rear surface of the plate toward the light controlling section, andwherein the light emitting surface of the light source is in contact with the rear surface of the plate.2. The light source unit of claim 1 , wherein the plate includes:a base layer including a top surface, on which the light scattering section is disposed, and a bottom surface opposite to the top surface;a plurality of conductive lines on the bottom surface of the base layer; anda window dielectric layer which covers the bottom surface of the base layer, wherein a plurality of contact holes is defined through the window dielectric layer to expose portions of the conductive lines, ...

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Номер записи: 75
19-01-2017 дата публикации

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUDING THE SAME

Номер: US20170019968A1
Автор: CHOI Hyuck Jung, SONG Young Jun, SUH II Kyung
Принадлежит:

A direct type backlight unit disposed under a liquid crystal panel includes a backlight module including a printed circuit board including blocks arranged in an M×N matrix, in which M and N are natural numbers of 2 or greater, light emitting devices disposed on the printed circuit board such that at least one light emitting device is disposed in each block, each of the light emitting devices including light emitting cells disposed on a single substrate, and optical members disposed on the light emitting devices, each of the optical members being configured to change a light beam distribution of a corresponding light emitting device, and a backlight control module configured to control dimming levels of the light emitting devices and to independently control the light emitting devices disposed in different blocks. 1. A direct type backlight unit disposed under a liquid crystal panel , comprising: a printed circuit board comprising blocks arranged in an M×N matrix, M and N being natural numbers of 2 or greater;', 'light emitting devices disposed on the printed circuit board such that at least one light emitting device is disposed in each of the blocks, each of the light emitting devices comprising light emitting cells disposed on a single substrate; and', 'optical members disposed on the light emitting devices, each of the optical members being configured to change a light beam distribution of a corresponding light emitting device; and, 'a backlight module comprisinga backlight control module configured to control dimming levels of the light emitting devices and to independently control the light emitting devices disposed in different blocks.2. The backlight unit of claim 1 , wherein each of the blocks has a horizontal length of 60 mm or less and a vertical length of 55 mm or less.3. The backlight unit of claim 1 , wherein each of the optical members is disposed on the printed circuit board to correspond to each of the light emitting devices.4. The backlight unit of ...

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Номер записи: 76
17-01-2019 дата публикации

COLLIMATED LIGHT SOURCE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

Номер: US20190019968A1
Автор: Guan Feng, He Xiaolong, Wang Yingtao, YAO Jikai
Принадлежит:

The embodiments of the present disclosure disclose a collimated light source, a manufacturing method thereof and a display device. The collimated light source includes a substrate, a film layer with a plurality of concave microstructures on the substrate, a reflective layer on the film layer, and a plurality of light-emitting parts corresponding to the concave microstructures one-to-one. Each of the light-emitting parts is located at a focal point of a corresponding concave microstructure. According to the embodiments of the present disclosure, the light emitted from each light-emitting part is reflected by the reflective layer on the corresponding concave microstructure and then exits in parallel light from a side of the reflective layer facing away from the substrate. 1. A collimated light source , comprising: a substrate , a film layer with a plurality of concave microstructures located on the substrate , a reflective layer located on the film layer , and a plurality of light-emitting parts corresponding to the concave microstructures one-to-one;wherein each of the light-emitting parts is located at a focal point of a corresponding concave microstructure.2. The collimated light source according to claim 1 , wherein a surface of each of the concave microstructures is a parabolic surface or a spherical surface.3. The collimated light source according to claim 2 , wherein a depth of each of the concave microstructures ranges from 8 μm to 80 μm and a diameter of each of the concave microstructures ranges from 20 μm to 150 μm.4. The collimated light source according to claim 1 , wherein a material of the film layer with the plurality of concave microstructures is a thermosetting resin.5. The collimated light source according to claim 2 , further comprising a planarization layer located between the reflective layer and the film layer where each of the light-emitting parts is located.6. The collimated light source according to claim 5 , wherein a viscosity of the ...

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Номер записи: 77
22-01-2015 дата публикации

BACKLIGHT MODULE AND CORRESPONDING LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20150022756A1
Автор: Cao Qian, Hu Chechang, Huang Jianfa
Принадлежит: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

The present invention relates to a backlight module and a corresponding liquid crystal display panel. The backlight module includes a backboard having multiple concave portions formed on an inner surface of the backboard and multiple light sources mounted in the concave portions. The backlight module and the corresponding liquid crystal display device of the present invention can reduce the thickness of direct-type backlight module without affecting the optical quality of the lights emitted from the backlight module and increasing the manufacturing cost of the backlight module. 1. A backlight module comprising:a backboard having an inner surface and multiple concave portions mounted on the inner surface; and the concave portions include strip concave portions and non-strip concave portions, wherein each of the strip concave portions has two ends respectively extending to two sides of the backboard; each of the non-strip concave portions has a circular shape or a polygonal shape;', a base;', 'an LED mounted on the base; and', 'a heat sink connected to the base; and, 'each of the light sources includes, 'each of the light sources is mounted on the concave portions via its heat sink., 'multiple light sources mounted in the concave portions, wherein'}2. The backlight module as claimed in claim 1 , wherein the backlight module further includes a diffuser panel and at least one optical film; the diffuser panel is mounted at a side facing a light-emitting surface of the light sources; the optical film is mounted on a light-exiting surface of the diffuser panel; anda distance from a non-concave portion of the backboard to the diffuser panel is not larger than a distance from the light-emitting surface of the light sources to the diffuser panel.3. A backlight module comprising:a backboard having an inner surface and multiple concave portions mounted on the inner surface; andmultiple light sources mounted in the concave portions.4. The backlight module as claimed in claim 3 , ...

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Номер записи: 78
26-01-2017 дата публикации

Composite nanoparticles including a thioether ligand

Номер: US20170022412A1
Автор: Zai-Ming Qiu
Принадлежит: 3M Innovative Properties Co

A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a thioether-substituted ligand.

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Номер записи: 79
21-01-2021 дата публикации

SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH CIRCULATING GAS AND AMBIENT GAS

Номер: US20210022273A1
Автор: Hubbard Tim
Принадлежит:

An apparatus for cooling an electronic image assembly with ambient gas and circulating gas is disclosed. A first fan may be positioned to force the circulating gas around the electronic image assembly in a closed loop while a second fan may be positioned to cause a flow of ambient gas. A structure is preferably positioned to allow the circulating gas to cross the flow of the ambient gas while substantially prohibiting the circulating gas from mixing with the ambient gas. A pair of manifolds may be placed along the sides of the electronic image assembly and may be in gaseous communication with a plurality of channels placed behind the electronic image assembly. A heat exchanger may be used in some exemplary embodiments. 1. An apparatus comprising:an electronic image assembly comprising a display and a backlight;a housing assembly containing said electronic image assembly;a first fan connected to said housing assembly and adapted to circulate gas in a first path that goes through a backlight cavity between said display and said backlight; anda second fan connected to said housing assembly and adapted to cause ambient gas to circulate in a second path through said housing assembly;wherein said apparatus is adapted to keep the gas in said first path substantially separate from the ambient gas in said second path.2. The apparatus of further comprising a structure positioned within said housing assembly having a first pathway for the gas in said first path and a second pathway for the ambient gas in said second path.3. The apparatus of wherein said structure is configured to allow the gas in said first path to cross the ambient gas in said second path.4. The apparatus of wherein said structure comprises a first series of voids configured to accept the gas in said first path and a second series of voids configured to accept the ambient gas in said second path.5. The apparatus of wherein said first series of voids are oriented substantially perpendicular to said second ...

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Номер записи: 80
26-01-2017 дата публикации

OPTICAL LENS, BACKLIGHT UNIT INCLUDING OPTICAL LENS, AND DISPLAY DEVICE INCLUDING OPTICAL LENS

Номер: US20170023709A1
Автор: HAN Jongho, JOUNG Juyoung, KEE Wondo, Lee Uihyung
Принадлежит:

An optical lens, a backlight unit including the optical lens, and a display device including the optical lens are disclosed. The optical lens includes a first surface forming an upper part, a second surface positioned opposite the first surface and forming a lower part, and a third surface connecting the first surface and the second surface. At least a portion of the second surface forms a bottom parallel to the first surface. At least a portion of the second surface is inclined from the bottom toward the third surface. 1. An optical lens comprising:a first surface at an upper part of the optical lens;a second surface at a lower part of the optical lens, wherein a portion of the second surface is a bottom surface of the optical lens and parallel to a portion of the first surface; anda third surface connecting the first surface and the second surface,wherein an inclined portion of the second surface is at an angle from the bottom surface to the third surface.2. The optical lens of claim 1 , wherein the inclined portion of the second surface has a cross-sectional shape which is straight from the bottom surface to the third surface.3. The optical lens of claim 1 , wherein the inclined portion of the second surface has a cross-sectional shape which is curved from the bottom surface to the third surface.4. The optical lens of claim 1 , wherein the inclined portion of the second surface has a cross-sectional shape which is concave toward an inside of the optical lens.5. The optical lens of claim 1 , wherein the inclined portion of the second surface has a cross-sectional shape which is convex toward an outside of the optical lens.6. The optical lens of claim 1 , wherein the inclined portion of the second surface has a cross-sectional shape which is concave toward an inside of the optical lens and is convex toward an outside of the optical lens.7. The optical lens of claim 1 , wherein a height between the bottom surface and a point where the second surface and the third ...

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Номер записи: 81
28-01-2016 дата публикации

MODULE FOR LIQUID CRYSTAL DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS COMPRISING THE SAME

Номер: US20160026022A1
Автор: Jung Yeon Ju, Kim Ae Kyoung, Kim Han Su, Shin Dong Yoon, SHIN Kwang Ho
Принадлежит:

An LCD module includes an LCD panel, and a polarizing plate formed on each of the upper and lower surfaces of the LCD panel. The polarizing plate includes a polarizer and a polyester film formed on at least one surface of the polarizer. The polyester film has a difference between the index of refraction in the x-axis direction and the index of refraction in the z-axis direction (nx−nz) of about 0.1 to about 0.18, where nx and nz are the indices of refraction in the x-axis and z-axis directions, respectively, at a wavelength of 550 nm. The LCD module has a CR 45° and a CR 135° of about 1.0% or greater. 1. A liquid crystal display (LCD) module comprising:an LCD panel; and a polarizer, and', 'a polyester film on at least one surface of the polarizer, the polyester film having a difference between an index of refraction in an x-axis direction and an index of refraction in a z-axis direction (nx−nz) of about 0.1 to about 0.18, wherein nx and nz are the indices of refraction in the x-axis direction and z-axis direction, respectively, at a wavelength of 550 nm, and, 'a polarizing plate on each of upper and lower surfaces of the LCD panel, the polarizing plate comprising {'br': None, 'i': CR', 'A/B×, '45°(contrast ratio 45°)=100\u2003\u2003(1)'}, 'the LCD module has a CR 45° and a CR 135° of about 1.0% or greater, as calculated by Equations 1 and 2, respectively {'br': None, 'i': CR', 'C/B×, '135°(contrast ratio 135°)=100\u2003\u2003(2)'}, 'wherein A is a brightness value measured at a viewing angle of 45°/60° using the LCD module, and B is a brightness value measured at a viewing angle of 0°/0° using the LCD module,'}wherein B is a brightness value measured at a viewing angle of 0°/0° using the LCD module, and C is a brightness value measured at a viewing angle of 135°/60° using the LCD module.2. The LCD module according to claim 1 , wherein the LCD panel comprises a liquid crystal layer including liquid crystals aligned in a vertical alignment (VA) mode.3. The LCD module ...

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Номер записи: 82
26-01-2017 дата публикации

DISPLAY APPARATUS HAVING MIRROR FUNCTION AND METHOD FOR PRODUCING THE SAME

Номер: US20170023826A1
Автор: KASHIMA Miki
Принадлежит:

Embodiments of the present disclosure provide a display apparatus having a mirror function. The display apparatus includes a display panel and a mirror panel. The mirror panel is provided at a light exiting side of the display panel, wherein the mirror panel is configured to permit a part of polarized light from the display panel to transmit therethrough while reflecting a part of ambient light. In addition, another embodiment of the present disclosure also provides a method for producing a display apparatus having a mirror function. 1. A display apparatus having a mirror function , comprising:a display panel;a mirror panel, provided at a light exiting side of the display panel, wherein the mirror panel is configured to permit a part of polarized light from the display panel to transmit therethrough while reflecting a part of ambient light.2. The display apparatus according to claim 1 , wherein the mirror panel comprises:a first transparent substrate and a second transparent substrate arranged opposite to each other;transparent electrode layers arranged respectively on opposite inner side surfaces of the first and second transparent substrates; anda cholesteric liquid crystal layer provided between the respective transparent electrode layers of the first and second transparent substrates.3. The display apparatus according to claim 2 , whereinthe display panel is a liquid crystal display panel, and the second transparent substrate is provided on the liquid crystal display panel.4. The display apparatus according to claim 3 , further comprising:a ¼ wavelength sheet provided between the display panel and the mirror panel.5. The display apparatus according to claim 2 , whereinthe display apparatus further comprises a power supply system comprising a power source and a power source control part, wherein the power source is electrically connected to the transparent electrode layers of the first transparent substrate and the second transparent substrate respectively.6. The ...

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Номер записи: 83
26-01-2017 дата публикации

Reflective element, backlight module and display device having the same

Номер: US20170023827A1
Автор: Chung-Yung Tai, Fong-Ming LIU, Wei-Hsuan Chen
Принадлежит: Radiant Opto Electronics Corp, Radiant Opto Electronics Suzhou Co Ltd

A reflective element is adapted for use in a backlight module, which includes a plurality of optical lens elements each being provided with a light emitting element. The reflective element includes a plurality of interconnecting reflective portions, each defining a through hole that is adapted for accommodating a corresponding one of the optical lens elements and a corresponding one of the light emitting elements, and being adapted for reflecting light incident from the corresponding one of the light emitting elements. A backlight module and a display device including the reflective element are also disclosed.

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Номер записи: 84
26-01-2017 дата публикации

LCD DEVICE

Номер: US20170023831A1
Автор: Xu Xiangyang
Принадлежит:

An LCD device is provided. The LCD device includes a blue backlight source, a lower polarizer, an array substrate, a liquid-crystal layer, an upper substrate, an upper polarizer, and a quantum excitation color filter layer. The LCD device is capable of emitting colored natural light by disposing the blue backlight source which has blue planar light with three wavelengths, improves luminous efficiency of the LCD device, and increases a viewing angle of the LCD device. 1. A liquid crystal display (LCD) device , comprising:a blue backlight source utilized to emit a blue planar light;a lower polarizer utilized to transform the blue planar light into a blue polarized light;an array substrate utilized to rotate liquid-crystal molecules in a liquid crystal layer;the liquid crystal layer utilized to modulate a part of the blue polarized light passing through the array substrate according to driving signals;an upper substrate utilized to form a space with the array substrate for keeping the liquid crystal layer;an upper polarizer utilized to obstruct the blue polarized light which is not modulated; anda quantum excitation color filter layer utilized to transform the blue polarized light which passes through the upper polarizer into a planar light comprising multicolored patterns;wherein the blue planar light comprises a first blue planar light with a first wavelength, a second blue planar light with a second wavelength, and a third blue planar light with a third wavelength; the lower polarizer is disposed on an exterior surface of the array substrate; the upper polarizer is disposed on an exterior surface of the upper substrate.2. The LCD device according to claim 1 , wherein a first blue polarized light corresponding to the first blue planar light is transformed into a blue planar light by passing through the quantum excitation color filter layer.3. The LCD device according to claim 2 , wherein a second blue polarized light corresponding to the second blue planar light is ...

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Номер записи: 85
25-01-2018 дата публикации

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Номер: US20180023771A1
Автор: CHA HanMoe, Kim Donghoon, KIM JungKyun
Принадлежит:

A display device includes an organic fluorescent body unit and a display panel provided on the organic fluorescent body unit. The organic fluorescent body unit may include a light source unit including a light source substrate and a plurality of light sources on the light source substrate, a red organic fluorescent body layer covering the light sources and including a red organic fluorescent body, and a green organic fluorescent body layer provided on the red organic fluorescent body layer and including a green organic fluorescent body. The red organic fluorescent body layer may include a plurality of red organic fluorescent body patterns, each of which respectively covers one of the light sources. 1. A display device comprising an organic fluorescent body unit and a display panel provided on the organic fluorescent body unit , wherein the organic fluorescent body unit includes:a light source unit including a light source substrate and a plurality of light sources on the light source substrate;a red organic fluorescent body layer covering the light sources and including a red organic fluorescent body; anda green organic fluorescent body layer provided on the red organic fluorescent body layer and including a green organic fluorescent body,the red organic fluorescent body layer including a plurality of red organic fluorescent body patterns, each of which respectively covers one of the light sources.2. The display device as claimed in claim 1 , wherein claim 1 , on a plane claim 1 , the red organic fluorescent body patterns overlap a portion of the light source substrate.3. The display device as claimed in claim 1 , wherein claim 1 , on a plane claim 1 , the red organic fluorescent body patterns are spaced apart from each other.4. The display device as claimed in claim 1 , wherein the organic fluorescent body unit further includes a base member in which are defined fluorescent body grooves claim 1 , wherein the base member is provided between the light source ...

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Номер записи: 86
25-01-2018 дата публикации

DISPLAY DEVICE

Номер: US20180024403A1
Автор: Okuyama Kentaro, Yata Tatsuya
Принадлежит:

According to one embodiment, a display device comprises first and second substrate having light transmissivity and opposing each other, a light-modulating layer arranged between the first substrate and the second substrate, a light source unit which illuminates the light-modulating layer from an outer side of a position which opposes a display area, along a normal direction, first to third color filters of different colors arranged on the first substrate, and first to third electrodes which oppose the first to third color filters, respectively, the light-modulating layer being able to change light dispersibility of each of regions which oppose the first to third color filters according to the electric field produced by each respective one of the first to third electrodes. 1. A display device comprises:a first substrate having light transmissivity;a second substrate opposing the first substrate and having light transmissivity;a light-modulating layer arranged between the first substrate and the second substrate;a light source unit which illuminates the light-modulating layer from an outer side of a position which opposes a display area which displays images, along a normal direction;first to third color filters of different colors of red, green and blue, respectively, arranged on the first substrate; andfirst to third electrodes which oppose the first to third color filters, respectively,the light-modulating layer being able to change light dispersibility of each of regions which oppose the first to third color filters according to the electric field produced by each respective one of the first to third electrodes.2. The display device of claim 1 , whereinthe display panel including the first substrate, the second substrate and the light-modulating layer, comprises:a main surface including the display area; anda side surface crossing the main surface and opposing the light source unit.3. The display device of claim 1 , whereinthe light-modulating layer comprises a ...

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Номер записи: 87
25-01-2018 дата публикации

Electro-optical switching element and display device

Номер: US20180024404A1
Автор: Masayoshi Suzuki, Tadashi Kishimoto
Принадлежит: Merck Patent GmBH

The present invention relates to an electro-optical switching element comprising at least one light source, and a light converting layer, and to a use of the electro-optical switching element in an optical device. The invention further relates to an optical device comprising the electro-optical switching element.

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Номер записи: 88
25-01-2018 дата публикации

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

Номер: US20180025692A1
Автор: Yata Tatsuya
Принадлежит:

According to one embodiment, a display device, includes a display panel having a light transmission property, the display panel includes a first sub-pixel exhibiting a first color, a second sub-pixel exhibiting a second color, a third sub-pixel exhibiting a third color, a dummy pixel exhibiting a fourth color having brightness lower than the first to third colors, and a light modulating layer capable of changing a light transmission property and a light scattering property of regions corresponding to the first to third sub-pixels and the dummy pixel, respectively. 1. A display device , comprising:a display panel having a light transmission property,the display panel comprising:a first sub-pixel exhibiting a first color;a second sub-pixel exhibiting a second color;a third sub-pixel exhibiting a third color;a dummy pixel exhibiting a fourth color having brightness lower than the first to third colors; anda light modulating layer capable of changing a light transmission property and a light scattering property of regions corresponding to the first to third sub-pixels and the dummy pixel, respectively.2. The display device of claim 1 , whereinthe light modulating layer includes a first region and a second region each having an optical anisotropy and different from each other with respect to optical response to an electric field,the first region is formed to contain a liquid crystal material, andthe second region is formed to contain a polymeric material.3. The display device of claim 1 , whereinthe display panel comprises:a substrate opposed to the light modulating layer and having a light transmission property;a first color filter disposed on the first sub-pixel of the substrate and allowing light of the first color to be transmitted;a second color filter disposed on the second sub-pixel of the substrate and allowing light of the second color to be transmitted;a third color filter disposed on the third sub-pixel of the substrate and allowing light of the third color to ...

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Номер записи: 89
24-01-2019 дата публикации

OPTOELECTRONIC LIGHTING APPARATUS AND DISPLAY DEVICE

Номер: US20190025479A1
Автор: Brick Peter, Wiesmann Christopher
Принадлежит:

An optoelectronic lighting apparatus includes a reflector having a reflector face, an optical component arranged at a distance from the reflector face and opposite the reflector face, and a light-emitting component arranged on the reflector face and having a light-emitting face, wherein the optical component has a plurality of differently configured reflection elements for reflection, in a direction of the reflector face, of electromagnetic radiation emitted by the light-emitting face. 113-. (canceled)14. An optoelectronic lighting apparatus , comprising:a reflector having a reflector face;an optical component arranged at a distance from the reflector face and opposite the reflector face; anda light-emitting component arranged on the reflector face and having a light-emitting face,wherein the optical component has a plurality of differently configured reflection elements for reflection, in a direction of the reflector face, of electromagnetic radiation emitted by the light-emitting face.15. The optoelectronic lighting apparatus according to claim 14 , wherein the plurality of reflection elements at least partially comprise a total reflection section for total reflection of at least one part of the emitted electromagnetic radiation in the direction of the reflector face.16. The optoelectronic lighting apparatus according to claim 15 , wherein the respective total reflection section is an element selected from the group of total reflection sections consisting of pyramidal section claim 15 , conical section and prismatic section.17. The optoelectronic lighting apparatus according to claim 16 , wherein a respective angle between a straight line extending from an apex of the total reflection section to a midpoint of a base face of the total reflection section and a normal of the reflector face for at least some reflection elements with a larger lateral distance from the light-emitting component is greater than for reflection elements with a smaller lateral distance from ...

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Номер записи: 90
24-01-2019 дата публикации

LIQUID CRYSTAL DISPLAY

Номер: US20190025625A1
Автор: PAN Biao
Принадлежит: Wuhan China Star Optoelectronics Technology Co., Ltd.

A liquid crystal display includes a quantum bar film arranged between a lower polarizer and a backlight module. Quantum bars contained in the quantum bar film absorb backlighting generated by the backlight module and then emit polarized light having the same direction as an alignment direction of the quantum bars. The alignment direction of the quantum bars is set in the same direction as a direction of a polarization axis of the lower polarizer, so that the backlighting that transmits through the quantum bar film may largely pass through the lower polarizer to thereby reduce light absorbed by the lower polarizer and increase light transmission rate of the backlighting generated by the backlight module to pass through the lower polarizer, thus enhancing utilization of the backlighting and improving brightness of the liquid crystal display. 1. A liquid crystal display , comprising a backlight module , a quantum bar film , a lower polarizer , and a liquid crystal panel being stacked , in sequence , on the backlight module , the lower polarizer comprising a plurality of polarization axes arranged in an array , the quantum bar film comprising a plurality of quantum bar film units arranged in an array , each of the quantum bar film units corresponding to one of the polarization axes , wherein among the plurality of quantum bar film units , at least some quantum bar film units contain quantum bars , while the other quantum bar film units contain liquid crystal molecules , the quantum bars or the liquid crystal molecules contained in the quantum bar film units having alignment directions that are identical to directions of the polarization axes corresponding to the quantum bar film units.2. The liquid crystal display according to claim 1 , wherein the liquid crystal panel comprises a number of red sub-pixel units claim 1 , a number of blue sub-pixel units claim 1 , and a number of green sub-pixel units arranged in an array claim 1 , and the plurality of quantum bar film ...

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Номер записи: 91
24-01-2019 дата публикации

COLOR FILTER SUBSTRATE, DISPLAY PANEL AND DISPLAY APPARATUS CONTAINING THE COLOR FILTER SUBSTRATE

Номер: US20190025641A1
Автор: YOU Jae Geon, Zhao Weili
Принадлежит:

A color filter substrate, a display panel and a display apparatus containing the color filter substrate are provided. The color filter substrate includes a color filter layer, a phase difference layer and a first wire grid polarizer arranged in sequence, the phase difference layer including a plurality of first phase shift structures and a plurality of second phase shift structures arranged alternately, the phase difference layer allowing P light that passes through the first phase shift structures and P light that passes through the second phase shift structures to have a phase difference. 1. A color filter substrate , comprising a color filter layer , a phase difference layer and a first wire grid polarizer arranged in sequence , the phase difference layer including a plurality of first phase shift structures and a plurality of second phase shift structures arranged alternately , the phase difference layer allowing P light that passes through the first phase shift structures and P light that passes through the second phase shift structures to have a phase difference.2. The color filter substrate according to claim 1 , wherein the phase difference between P light entering the first phase shift structures and exiting out of the first phase shift structures and P light entering the second phase shift structures and exiting out of the second phase shift structures is π claim 1 , and S lights transmitted through the phase difference layer and the first wire grid polarizer sequentially has no phase difference.3. The color filter substrate according to claim 1 , wherein the first phase shift structures adopt a first medium claim 1 , the second phase shift structures adopt a second medium claim 1 , and the first medium and the second medium are uniaxial mediums with different refractivities claim 1 , and satisfy following equations:{'br': None, 'i': Nxa−Nxb', 'd=λ/', 'Nya−Nyb', 'd=, '()*2, ()*0;'}where Nxa and Nxb represent refractivities in the first medium and the ...

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Номер записи: 92
24-01-2019 дата публикации

BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

Номер: US20190025646A1
Автор: Guo Qing, HAN Mei
Принадлежит: Wuhan China Star Optoelectronics Technology Co., Ltd.

The present disclosure provides a backlight module, which includes: a transparent light guiding body having a light incidence side surface and a sealed accommodating cavity; a plurality of quantum dots accommodated in the accommodating cavity; and a light source disposed adjacent to the light incidence side surface. The present disclosure also provides a liquid crystal display having the backlight module. The present disclosure prevent the quantum dot material from being affected by moisture and oxygen by sealing the quantum dot materials using glass flat plates, thereby facilitating the display of the liquid crystal display. 1. A backlight module , comprising:a transparent light guiding body having a light incidence side surface and a sealed accommodating cavity;a plurality of quantum dots accommodated in the accommodating cavity; anda light source disposed adjacent to the light incidence side surface.2. The backlight module of claim 1 , wherein the transparent light guiding body comprises a first transparent flat plate and a second transparent flat plate disposed to face each other with an interval claim 1 , the first transparent flat plate and the second transparent flat plate have ends connected to each other to form the accommodating cavity between the first transparent flat plate and the second transparent flat plate claim 1 , and side surfaces of the first transparent flat plate and the second transparent flat plate at the same side form the light incidence side surface.3. The backlight module of claim 2 , wherein the ends of the first transparent flat plate and the second transparent flat plate are connected together through a method of laser melting.4. The backlight module of claim 2 , wherein the first transparent flat plate and/or the second transparent flat plate are made of glass.5. The backlight module of claim 2 , wherein the first transparent flat plate has recesses and protrusions on a surface of the first transparent flat plate being far away from ...

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Номер записи: 93
24-01-2019 дата публикации

DIRECT TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

Номер: US20190025647A1
Автор: Cheng Yan
Принадлежит: Wuhan China Star Optoelectronics Technology Co., Ltd.

The present disclosure discloses a direct type backlight module, which includes a back plate and a light source disposed on the back plate, wherein the light source includes a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board, the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board, and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently. The present disclosure further provides a liquid crystal display which includes the abovementioned direct type backlight module. 1. A direct type backlight module , comprising a back plate and a light source disposed on the back plate , wherein the light source comprises a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board , the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board , and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently.2. The direct type backlight module of claim 1 , wherein the micro-LED chip is a micro-LED chip which emits monochromic blue light claim 1 , and the direct type backlight module further comprises a quantum dot thin film layer disposed above the light source and emitting red light and green light under an excitation of the blue light emitted from the micro-LED chip.3. The direct type backlight module of claim 2 , wherein there is a gap between the quantum dot thin film layer and the light source claim 2 , and the gap has a height of 0.3-0.5 mm.4. The direct type backlight module of claim 2 , wherein the quantum dot thin film layer has a thickness of 80-100 ...

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Номер записи: 94
24-01-2019 дата публикации

COLOR CONVERSION PANEL AND DISPLAY DEVICE INCLUDING THE SAME

Номер: US20190025655A1
Автор: KIM Kang Uk, PARK Sang Ji, YUN Hae Ju
Принадлежит:

A color conversion panel for a display device includes: a substrate including a first region, a second region, and a third region; a light-blocking partition disposed on the substrate and having a plurality of openings via which the first region, the second region and the third region are exposed; color conversion patterns disposed on the substrate in the openings in the first region and in the second region, respectively; and a light-transmitting layer containing scattering particles and including a first portion disposed in the opening in the third region and a second portion disposed to cover the color conversion patterns on the substrate. The scattering particles increase the efficiency of color conversion, such that color gamut may be increased. 1. A color conversion panel , comprising:a substrate comprising a first region, a second region, and a third region;a light-blocking partition disposed on the substrate and having a plurality of openings configured to expose the first region, the second region, and the third region;a color conversion pattern disposed on the substrate in each of the openings in the first region and the second region, respectively; anda light-transmitting layer comprising scattering particles and comprising a first portion disposed in the opening in the third region, and a second portion disposed to cover each of the color conversion patterns on the substrate.2. The color conversion panel of claim 1 , wherein the color conversion patterns are disposed between the substrate and the second portion.3. The color conversion panel of claim 1 , wherein a vertical distance from a surface of the substrate to a highest point of each of the color conversion patterns is equal to claim 1 , or less than claim 1 , a vertical distance from the surface of the substrate to a highest point of the light-blocking partition.4. The color conversion panel of claim 1 , wherein the first portion is continuously connected to the second portion.5. The color ...

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Номер записи: 95
29-01-2015 дата публикации

Fastening Device for LED Light String of Backlight Module and Liquid Crystal Display

Номер: US20150029444A1
Автор: Li Quan
Принадлежит:

The present invention provides a fastening device for a LED light string of a backlight module, including a LED light string and a frame, the LED light string being configured with a substrate and a plurality of LEDs mounted onto the substrate, wherein at least a retainer is incorporated on the substrate, and the frame being provided with a notch matchable with the retainer such that the LED light string can be securely attached to the frame. The retainer can be made individually, and a SMT process is utilized to attach the retainer of the fastening device on the backside of the LED light string. With this convenient arrangement, a lot of manufacturing processes have been omitted. The LED light string and the frame can be modulated, and the overall configuration of the module is simplified. In addition, with the retainer readily snapped into the notch of the frame, a distance between to the LED light emitting surface to the frame is also reduced, and this helps to realize the design of narrow-boarder of the liquid crystal display.

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Номер записи: 96
29-01-2015 дата публикации

RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY

Номер: US20150029445A1
Автор: ITO Yoji, KATOH Shunya, Nagai Michio, Takeda Jun
Принадлежит: FUJIFILM Corporation

A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 μm; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 μm or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 μm, wherein OP is represented by the following equation; OP=(A−A)/(2A+A) where Ais absorbance of the liquid crystal compounds for light polarized parallel to an alignment direction, and Ais absorbance of the liquid crystal compounds for light polarized perpendicular to the alignment direction. 2. The retardation film according to claim 1 , wherein the resin having an SP value of 21.5 to 24.7 is a (meth)acrylic resin.3. The retardation film according to claim 1 , wherein the resin having an SP value of 21.5 to 24.7 is a (meth)acrylic resin having a polymerizable group.4. The retardation film according to claim 1 , wherein the leveling agent has a molecular weight of 500 to 2 claim 1 ,000.5. The retardation film according to claim 1 , wherein the leveling agent comprises fluorine and/or silicon.6. The retardation film according to claim 1 , wherein the first optically anisotropic layer exhibits a smectic phase.7. The retardation film according to claim 1 , wherein the second optically anisotropic layer exhibits a nematic phase.10. The retardation film according to claim 1 , wherein the second optically anisotropic layer further comprises a vertical alignment agent.11. The retardation film according to claim 1 , which has a thickness of 0.6 to 10 μm.12. The retardation film according to claim 1 , wherein each of the liquid crystal compounds contained in the first ...

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Номер записи: 97
23-01-2020 дата публикации

OUTDOOR DISPLAY DEVICE

Номер: US20200026110A1
Автор: CHO Jin Hyun, KIM Jung Kyun, PYO Jin Soo
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Disclosed herein is an outdoor display device capable of improving image visibility. The outdoor display device includes a housing unit having an opening in a front surface thereof, a glass unit prepared or positioned in the opening of the housing unit, and a display unit prepared or positioned in the housing unit, and including a liquid crystal display panel disposed in a rear of the glass unit to display an image, and the glass unit includes a transparent member, a polarizing film on a rear of the transparent member, and a λ/4 film on at least any one of the polarizing film and the liquid crystal display panel. 1. An outdoor display device comprising:a housing unit having an opening in a front surface thereof;a glass unit prepared in the opening of the housing unit; anda display unit prepared in the housing unit and including a liquid crystal display panel disposed in a rear of the glass unit to display an image,wherein the glass unit includes:a transparent member;a polarizing film prepared in a rear of the transparent member;a λ/4 film disposed on a rear surface of the polarizing film; anda touch film interposed between the λ/4 film and the liquid crystal display panel.2. The outdoor display device of claim 1 , wherein the λ/4 film polarizes a light into a circular polarized light or an elliptical polarized light of 45° or 135° based on an axis of a light emitted from the polarizing film.3. The outdoor display device of claim 1 , wherein the polarizing film and the λ/4 film are sequentially disposed in the rear of the transparent member.4. The outdoor display device of claim 1 , wherein the glass unit further comprises a low-reflection (AR) film prepared on a front surface of the transparent member.5. The outdoor display device of claim 1 , wherein the polarizing film has a light axis the same as that of a light passing through the liquid crystal display panel.6. The outdoor display device of claim 1 , wherein the liquid crystal display panel comprises a ...

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Номер записи: 98
23-01-2020 дата публикации

IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND DISPLAY DEVICE

Номер: US20200026111A1
Автор: HWANG SooWon, KIM Jeonghwan, Lee JaeHyun, PARK Yonghak
Принадлежит: LG DISPLAY CO., LTD.

An in-plane switching (IPS) mode liquid crystal display (LCD) device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal layer between the first and second substrates; a second polarizer on an outer surface of the second substrate, the second polarizer having a second polarizing element; and an in-cell retarder on an inner surface of the second substrate, wherein the in-cell retarder compensates a light leakage in a front direction of the liquid crystal display panel. 1. A display device , comprising:a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal layer between the first and second substrates;a second polarizer on an outer surface of the second substrate, the second polarizer having a second polarizing element; andat least two optical compensation films between the color filter substrate and the second polarizing element to enhance a viewing angle in a diagonal direction of the liquid crystal display panel, the at least two optical compensation films including a positive biaxial film and a negative biaxial film in consideration of a polarization state of the liquid crystal layer.2. The device of claim 1 , wherein a polarization state of the second polarizing element is parallel to an absorption axis of the second polarization element by the positive biaxial film and the negative biaxial film to prevent a light leakage in the diagonal direction of the liquid crystal display panel claim 1 , when viewing the liquid crystal display panel in the diagonal direction.3. The device of claim 1 , further comprising an in-cell retarder on an inner surface of the second substrate.4. The device of claim 3 , wherein the in-cell retarder has a retardation value of 156±20 nm to prevent a light leakage in a front direction or the diagonal direction of the liquid crystal display panel.5. The device of claim 3 , wherein in the display device having the in-cell-retarder claim 3 , a ...

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Номер записи: 99
23-01-2020 дата публикации

DISPLAY DEVICE

Номер: US20200026127A1
Автор: LI Jia-Ming, LIN Nan-Chun
Принадлежит:

A display device includes a display panel and an optical element. The display panel includes a non-display area and a display area. The optical element is disposed corresponding to the display panel and includes a main body portion and a positioning portion connected to the main body portion. The main body portion includes a first part corresponding to the non-display area and a second part corresponding to the display area. The first part has a first opening disposed adjacent to the positioning portion. 1. A display device , comprising:a display panel comprising a non-display area and a display area; andan optical element disposed corresponding to the display panel and comprising a main body portion and a positioning portion connected to the main body portion, wherein the main body portion comprises a first part corresponding to the non-display area and a second part corresponding to the display area;wherein, the first part has a first opening disposed adjacent to the positioning portion.2. The display device according to claim 1 , wherein one side of the optical element is configured with at least one of the positioning portion.3. The display device according to claim 1 , wherein two opposite sides of the optical element are individually configured with at least one of the positioning portion.4. The display device according to claim 1 , further comprising:a back plate, wherein the optical element is disposed on the back plate, the positioning portion has an accommodating hole, and the back plate has a protruding portion disposed in the accommodating hole.5. The display device according to claim 4 , wherein an extension direction of the first opening is defined as a first direction claim 4 , a second direction is perpendicular to the first direction claim 4 , the optical element has a protruding structure extending along the second direction claim 4 , and adjacent two of the protruding structures form a groove.6. The display device according to claim 4 , wherein an ...

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Номер записи: 100