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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 2537. Отображено 100.
01-03-2012 дата публикации

Display device

Номер: US20120049718A1
Автор: Hisashi Watanabe, Yasushi Asaoka
Принадлежит: Sharp Corp

A direct-viewing type display device ( 100 A) of the present invention includes: a display panel which has a display region ( 10 A) that can be altered into a transparent state and a frame region ( 10 F) provided outside the display region; and a light-transmitting cover ( 20 ) provided on a front side of the display panel. The light-transmitting cover includes a lens portion ( 22 ) positioned so as to overlap a region that includes part of the frame region of the display panel and part of a peripheral display region ( 10 D) within the display region which adjoins the part of the frame region. The display device further includes a housing ( 30 ) which has a housing portion ( 36 ) provided at least on a side surface ( 10 b ) of the display panel. Part of light going out from the part of the peripheral display region and/or part of light entering the housing portion on a rear side goes out on a front side of the housing portion ( 36 ). In the display device of the present invention, the frame is visually obscured, and the display region can be altered into a transparent state.

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Номер записи: 1
19-04-2012 дата публикации

Liquid crystal display element and device

Номер: US20120092576A1
Автор: Masaki Nose
Принадлежит: Fujitsu Ltd

A liquid crystal display element includes a first and a second liquid crystal layer stacked on each other. The first liquid crystal layer includes a first liquid crystal strip group and a second liquid crystal strip group extending in a first direction and alternately aligned. A first electrode group and a second electrode group are disposed so as to hold the first liquid crystal strip group and the second liquid crystal strip group therebetween. The second liquid crystal layer includes a third liquid crystal strip group and a fourth liquid crystal strip group extending in a second direction orthogonal to the first direction and alternately aligned. A third electrode group and a fourth electrode group are disposed so as to hold the third liquid crystal strip group and the fourth liquid crystal strip group therebetween. Each electrode group includes electrodes extending in the each direction substantially parallel to each other.

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Номер записи: 2
10-05-2012 дата публикации

Liquid crystal display

Номер: US20120113362A1
Автор: Jae-Hyun Kim, Jae-Ik Lim, Jong-In Beak
Принадлежит: Samsung Mobile Display Co Ltd

A liquid crystal display panel includes a liquid crystal display panel for displaying an image, and a viewing angle adjustment layer on the liquid crystal display panel. The viewing angle adjustment layer includes: a lower cutoff polarizing plate; a lower cutoff electrode on the lower cutoff polarizing plate; an upper cutoff polarizing plate facing the lower cutoff polarizing plate; an upper cutoff electrode on the upper cutoff polarizing plate; and a liquid crystal capsule layer between the lower cutoff electrode and the upper cutoff electrode. The liquid crystal capsule layer includes a plurality of liquid crystal capsules. A diameter of the liquid crystal capsules is between 50 nm and a shortest wavelength of visible light.

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Номер записи: 3
24-05-2012 дата публикации

Liquid crystal display device and liquid crystal display apparatus

Номер: US20120127385A1
Автор: Masaki Nose
Принадлежит: Fujitsu Ltd

A liquid crystal display device includes a first liquid crystal layer where first liquid crystal regions and second liquid crystal regions are alternately arranged, and a second liquid crystal layer stacked on the first liquid crystal layer where third liquid crystal regions and fourth liquid crystal regions are alternately arranged. With respect to an area per pixel, the first liquid crystal region is larger than the second liquid crystal region, and the third liquid crystal region is larger than the fourth liquid crystal region. The first liquid crystal region overlaps part of the third liquid crystal region and the fourth liquid crystal region. The first, the second, the third and the fourth liquid crystal regions cause changes in reflectance of light at respective wavelength regions in response to applied voltage. The respective wavelength regions are different from one another.

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Номер записи: 4
28-06-2012 дата публикации

Choloesteric liquid crystal display and fabrication thereof

Номер: US20120162555A1
Автор: Chao-Wen Chen, Kai-Wei Lan, Wan-Wen Chiu
Принадлежит: Industrial Technology Research Institute ITRI

A cholesteric liquid crystal display is provided, including a substrate, a first electrode layer disposed on the substrate, and a liquid crystal layer disposed on the first electrode layer, wherein the liquid crystal layer comprises at least two liquid crystals having different sensitivities to driving frequencies, mixed with each other, and liquid crystals having a greater initial state-transition temperature are more sensitive to driving frequency.

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Номер записи: 5
26-07-2012 дата публикации

First substrate sheet, liquid crystal panel having first substrate sheet and method for manufacturing same

Номер: US20120188488A1
Автор: Hyun Ha Hwang, Seung Gon Kang
Принадлежит: Imagelab Co Ltd

The present invention relates to a liquid crystal panel having the first substrate sheet. The object of the present invention can be accomplished by a liquid crystal capsule which is mixed with a binder and printed on one surface of the first substrate on which the transparent electrode is formed; a transparent adhesive applied to entirely cover the liquid crystal capsule and the binder printed on the first substrate; and a releasing sheet which is attached to entirely cover the transparent adhesive applied on the first substrate.

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Номер записи: 6
26-07-2012 дата публикации

Reflective display apparatus

Номер: US20120188491A1
Автор: Nakcho Choi
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A display apparatus includes a first substrate, a second substrate, and a cholesteric liquid crystal layer. The first substrate includes a first insulating substrate and pixel electrodes, and the second substrate includes a second insulating substrate facing the first substrate and a common electrode. The cholesteric liquid crystal layer reflects a first light of an external light and allows a second light to pass therethrough. An image formed by the first light is visible from a top surface of at least one of the first and second substrates. A light absorption layer is formed in a part of the remaining substrate opposite to one substrate representing the image.

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Номер записи: 7
20-09-2012 дата публикации

Light emitting device

Номер: US20120236229A1
Автор: Yuko Matsuhisa
Принадлежит: Panasonic Corp

Provided is a light-emitting device exhibiting a high light-emission efficiency and moreover may utilize an external light radiating from the back side. A light-emitting device has a light-emitting element and a reflective layer reflecting light emitted from the light-emitting element. The reflective layer has a first layer constituted from a liquid crystal having a helical structure; a second layer disposed on opposite side of the first layer from the light-emitting element, and constituted from a liquid crystal having a helical structure with the same twisting direction as the first layer; and a third layer interposed therebetween to divide a light transmitted through the third layer itself into two intrinsic polarized lights causing a phase difference between the two intrinsic polarized lights.

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Номер записи: 8
04-10-2012 дата публикации

Liquid crystal display apparatus and method for driving the same

Номер: US20120249903A1
Автор: Hirokazu Aritake
Принадлежит: Fujitsu Ltd

A controlling method of a display apparatus that includes a display device including a plurality of pixels, each of the pixels being formed of a cholesteric liquid crystal material, the controlling method includes: applying the first voltage making the cholesteric liquid crystal material transparent between the first and the second electrodes; applying the second voltage setting reflectance of the cholesteric liquid crystal material in each of the pixels at the time of selection of the each of the pixels between the first and the second electrodes; and applying the third voltage providing no change in reflectance of the cholesteric liquid crystal material between the first and the second electrodes.

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Номер записи: 9
29-11-2012 дата публикации

Dual Mode Liquid Crystal Display Device

Номер: US20120300144A1
Автор: Dong-Guk Kim, Joong-Ha Lee, Wook-Sung Kim
Принадлежит: LG Display Co Ltd

A dual mode LCD device includes first and second substrates facing each other; a first electrode on an inner surface of the first substrate and having a plate shape; a first insulating layer on the first electrode; a second electrode and a third electrode on the first insulating layer, being spaced apart from each other and extending along a first direction; a fourth electrode on an inner surface of the second substrate; and a liquid crystal layer interposed between the first and second substrates and including chiral dopants, wherein liquid crystal molecules of the liquid crystal layer are stably arranged in a first twist state and a second twist state, wherein the first and second twist states are used for a memory mode and the second twist state and a vertical alignment state are used for a dynamic mode.

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Номер записи: 10
28-03-2013 дата публикации

Display device

Номер: US20130077021A1
Автор: Tsuyoshi Hioki, Yutaka Nakai
Принадлежит: Toshiba Corp

According to one embodiment, a display device includes light guide bodies, light sources, light extraction units, and a control unit. Each light guide body includes one end, another end on an opposite side, and a side surface. The light guide bodies are disposed with a pitch. Each of the light sources is juxtaposed to the one end of each light guide body and configured to cause a light to enter the light guide bodies. Each light extraction unit faces the side surface. Each light extraction unit includes light extraction elements. The control unit is configured to supply an electric signal to each light extraction unit. The control unit makes the light extraction units extract the light that enters the light guide bodies and propagates through the light guide bodies in accordance with the electric signal. Positions between the light extraction elements are uniformly distributed.

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Номер записи: 11
04-04-2013 дата публикации

ENCAPSULATED PIXELS FOR DISPLAY DEVICE

Номер: US20130083281A1
Автор: Ben-Shalom Amir
Принадлежит: POWERMAT TECHNOLOGIES, LTD

A display device comprising an array of encapsulated pixels. The encapsulating pixel includes an optical element which is altered from a first optical state to a second optical state upon when a potential difference is generated across it. The optical element is in contact with two electrodes which are connected to a pixel driver for generating the potential difference. The encapsulated pixel is hermetically sealed from the environment by a sealing layer and the driver receives power wirelessly via an inductive power transmission system. 1. A display device comprising at least one encapsulated pixel , said encapsulated pixel comprising:at least one optical element having at least two optical states, at least two electrodes;a driver for generating a potential difference between said electrodes such that said optical element is altered from a first optical state to a second optical state; anda sealing layer configured to hermetically seal said encapsulated pixel;wherein said driver comprises at least one secondary inductor connected to said electrodes and configured to inductively couple with an external primary inductor wired to a power supply.2. The display device of comprising an array of said encapsulated pixels wherein said sealing layer is configured to encapsulate each said pixel individually.3. The display device of wherein each said encapsulated pixel has a characteristic resonant frequency such that said external primary inductor is capable of driving selected pixels by selecting an oscillating frequency known to resonate with a specific secondary inductor.4. The display device of wherein said optical element has at least two stable optical states such that said optical element remains in said second optical state when said potential difference is removed.5. The display device of wherein said optical element is a liquid crystal.6. The display device of wherein said sealing layer encapsulated pixel comprises an insulating coating.7. The display device of ...

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Номер записи: 12
11-04-2013 дата публикации

Screen and image display system

Номер: US20130088665A1
Автор: Taisuke Yamauchi
Принадлежит: Seiko Epson Corp

A screen includes a polymer-dispersed liquid crystal layer including liquid crystal molecules, and polymer molecules different from the liquid crystal molecules, a twist angle of the polymer molecules is equal to or larger than 180°, and the polymer-dispersed liquid crystal layer comes into a first state of transmitting light entering the polymer-dispersed liquid crystal layer in a period in which an electric field fails to act on the polymer-dispersed liquid crystal layer, and comes into a second state of scattering the light entering the polymer-dispersed liquid crystal layer in a period in which the electric field acts on the polymer-dispersed liquid crystal layer.

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Номер записи: 13
29-08-2013 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20130222740A1
Автор: Miyachi Koichi, Miyake Isamu
Принадлежит: SHARP KABUSHIKI KAISHA

The present invention provides a liquid crystal display device that includes a horizontal alignment film, stabilizes liquid crystal alignment by the PSA technique, can suppress the increase in power consumption, reduction in contrast, and image sticking in display, and has long-term reliability. The present invention is a liquid crystal display device including a pair of substrates, a liquid crystal layer interposed between the pair of substrates, a horizontal alignment film formed on at least one of the pair of substrates, and a polymer layer which is formed on the horizontal alignment film and controls the alignment of adjacent liquid crystal molecules, wherein the polymer layer is formed by the polymerization of at least one or more kinds of monomers added into the liquid crystal layer, and at least one of the one or more kinds of monomers is polymerized by itself functioning as a polymerization initiator by being irradiated with light. 4. The liquid crystal display device according to claim 1 ,wherein Q in the chemical formula (1) includes a benzene ring structure that is bonded to the R moiety.5. The liquid crystal display device according to claim 1 ,wherein Q in the chemical formula (1) includes a polymer chain.6. The liquid crystal display device according to claim 1 ,wherein the polymer layer is formed from a bifunctional monomer.8. A liquid crystal display device comprising:a pair of substrates;a liquid crystal layer interposed between the pair of substrates;a horizontal alignment film formed on at least one of the pair of substrates; anda polymer layer formed on the horizontal alignment film,wherein the polymer layer is formed by the polymerization of at least one or more kinds of monomers added into the liquid crystal layer, andat least one monomer of the one or more kinds of monomers includes a structure in which the monomer itself generates radical by being irradiated with light.9. The liquid crystal display device according to claim 8 ,wherein the one ...

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Номер записи: 14
19-09-2013 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Номер: US20130242234A1
Автор: Chen Dong, Guo Renwei
Принадлежит: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

According to the present invention, there are disclosed a liquid crystal display device and method for manufacturing the same. The liquid crystal display device comprises: a color filter substrate, an array substrate and a liquid crystal composite system filled between the color filter substrate and the array substrate, wherein liquid crystals and a high molecular polymer network, which is formed by polymerization of liquid crystalline polymerizable monomers, are included in the liquid crystal composite system. 1. A liquid crystal display device , comprising: a color filter substrate , an array substrate and a liquid crystal composite system filled between the color filter substrate and the array substrate ,wherein liquid crystals and a high molecular polymer network, which is formed by polymerization of liquid crystalline polymerizable monomers, are included in the liquid crystal composite system.2. The device claimed as claim 1 , wherein the high molecular polymer network has directionality.3. The device claimed as claim 1 , wherein an alignment layer is disposed on at least one of opposed surfaces of the color substrate and the array substrate claim 1 , the alignment layer has an orientational direction claim 1 , and an extending direction of a polymer main chain in the high molecular polymer network is substantially parallel to the orientational direction of the alignment film.4. The device claimed as claim 3 , wherein the extending direction of the polymer main chain in the high molecular polymer network is determined by arrangement direction of the liquid crystalline polymerizable monomers prior to polymerization claim 3 , the arrangement direction of the liquid crystalline polymerizable monomers is determined by arrangement direction of the liquid crystal molecules claim 3 , and the arrangement direction of the liquid crystal molecules is determined by the orientational direction of the alignment layer.5. The device claimed as claim 1 , wherein a rigid ...

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Номер записи: 15
24-10-2013 дата публикации

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

Номер: US20130278871A1
Автор: CHEN Chien-Hung, CHUANG Pi-Ying, Hsu Li-Chieh, WANG Chuan-Chung
Принадлежит: InnoLux Corporation

A display device having a plurality of pixel units and a manufacturing method of the same are provided. The display device includes a first substrate assembly, a second substrate assembly, a liquid crystal mixture, and a pillared polymer network. The first substrate assembly includes a first substrate and a first electrode layer disposed on the first substrate. The second substrate assembly includes a second substrate. The liquid crystal mixture is disposed between the first and second substrate assemblies. The pillared polymer network is disposed between the first and second substrate assemblies and has a first end and second end. The first end abuts against the first substrate assembly and is disposed correspondingly to the first electrode layer. The second end abuts against the second substrate assembly. Each of the pixel units includes the pillared polymer network. 1. A display device , having a plurality of pixel units , comprising:a first substrate assembly, comprising a first substrate and a first electrode layer disposed on the first substrate;a second substrate assembly, comprising a second substrate;a liquid crystal mixture, disposed between the first substrate assembly and the second substrate assembly; anda pillared polymer network, disposed between the first substrate assembly and the second substrate assembly, having a first end and a second end; wherein, the first end abuts against the first substrate assembly and is disposed correspondingly to the first electrode layer, and the second end abuts against the second substrate assembly;wherein, each of the pixel units comprises the pillared polymer network.2. The display device according to claim 1 , wherein in each of the pixel units claim 1 , a ratio of a partial area of the second substrate disposed with the pillared polymer network to an area of the second substrate is 1% to 99%.3. The display device according to claim 1 , wherein the first electrode layer comprises a plurality of first electrode ...

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Номер записи: 16
28-11-2013 дата публикации

ILLUMINATION UNIT AND DISPLAY

Номер: US20130314620A1
Автор: Ebisui Akira, Okuyama Kentaro, Sato Harumi, Shinkai Shogo
Принадлежит: SONY CORPORATION

An illumination unit includes a light modulation layer including a first region and a second region that have optical anisotropy and different responsiveness to an electric field. The light modulation layer satisfies an expression A/B Подробнее

Номер записи: 17
28-11-2013 дата публикации

PANEL ACTING AS ACTIVE RETARDER, METHOD OF FABRICATING THE SAME, AND 3-DIMENSIONAL STEREOSCOPIC IMAGE DISPLAYABLE SYSTEM INCLUDING THE PANEL

Номер: US20130314628A1
Автор: Lee Dong-Hoon, LEE Young-Bok, Park Jin-Woo
Принадлежит: LG DISPLAY CO., LTD.

A panel, a method of fabricating the panel, and a 3-dimensional (3D) image displayable system are provided. The panel includes first and second films disposed opposite each other, a polymer layer interposed between the first and second films, the polymer layer formed of a polymer having light alignment and light-curing characteristics, the polymer layer in which the polymer is arranged in one direction, and a plurality of liquid crystal (LC) droplets dispersed in the polymer layer. Each of the plurality of LC droplets includes a plurality of LC molecules, which are arranged in the same direction as the direction in which the polymer layer is arranged. 1. A panel comprising:first and second films disposed opposite each other;a polymer layer interposed between the first and second films, the polymer layer formed of a polymer having light alignment and light-curing characteristics, the polymer layer in which the polymer is arranged in one direction; anda plurality of liquid crystal (LC) droplets dispersed in the polymer layer,wherein each of the plurality of LC droplets includes a plurality of LC molecules, which are arranged in the same direction as the direction in which the polymer layer is arranged.2. The panel of claim 1 , wherein transparent first and second electrodes are respectively formed on inner side surfaces of the first and second films and in contact with the polymer layer claim 1 , or alternately formed on an inner side surface of any one of the first film or the second film.3. The panel of claim 2 , wherein the polymer layer and the plurality of LC droplets dispersed in the polymer layer form a phase shift layer claim 2 ,wherein when a voltage is applied to the first and second electrodes, a phase of light passing through the phase shift layer is changed by shifting a direction in which the LC molecules included in the plurality of LC droplets are arranged.4. A 3-dimensional (3D) image displayable system comprising:a liquid crystal display (LCD) ...

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Номер записи: 18
12-12-2013 дата публикации

LIQUID CRYSTAL DISPLAY

Номер: US20130329167A1
Автор: IWANAMI Norishige, Komaki Masamichi, NAKAJIMA Yasushi, Shimomaki Shinichi, Takei Jiro
Принадлежит: Ortus Technology Co., Ltd.

A liquid crystal display includes a first substrate and a second substrate, a lower display electrode provided on the first substrate, an insulating layer provided on the lower display electrode, an upper display electrode provided on the insulating layer and having a mesh pattern including opening portions, a common electrode provided on the second substrate, and a polymer-dispersed liquid crystal layer sandwiched between the first substrate and the second substrate in a state in which the upper display electrode and the common electrode face each other. 1. A liquid crystal display comprising:a first substrate and a second substrate;a lower display electrode provided on the first substrate;an insulating layer provided on the lower display electrode;an upper display electrode provided on the insulating layer and having a mesh pattern including opening portions;a common electrode provided on the second substrate; anda polymer-dispersed liquid crystal layer sandwiched between the first substrate and the second substrate in a state in which the upper display electrode and the common electrode face each other.2. The display of claim 1 , wherein the opening portions have a staggered arrangement.3. The display of claim 1 , wherein a diameter of each of the opening portions is not more than 100 μm.4. The display of claim 1 , further comprising:a first driving circuit configured to apply a first voltage between the common electrode and the lower display electrode; anda second driving circuit configured to apply a second voltage between the common electrode and the upper display electrode.5. The display of claim 4 , wherein each of the first voltage and the second voltage includes voltages of two levels.6. The display of claim 1 , whereineach of the lower display electrode and the upper display electrode has the same shape as a character pattern, andthe upper display electrode includes an edging portion provided along an edge of the character pattern.7. A liquid crystal ...

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Номер записи: 19
20-02-2014 дата публикации

HORIZONTAL ELECTRIC FIELD-TYPE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

Номер: US20140049731A1
Автор: CHOI Sun-Wook, KANG Sung-Gu, LEE Sun-Yong, PARK Byung-Wok, PARK Sung-il, SHIM Yu-Ri, SONG Dong-Han, YOON Tae-Hoon, YU Byeong-Hun
Принадлежит:

A horizontal electric field-type liquid crystal display (LCD) device is provided. The LCD device includes first and second substrates disposed opposite and apart from each other, a first electrode formed on an inner surface of the first substrate, a second electrode corresponding to the first electrode and configured to generate an electric field, and a liquid crystal (LC) layer formed between the first and second substrates, the LC layer including a polymer network and LC molecules confined in multiple domains by the polymer network. 1. A horizontal electric field-type liquid crystal display (LCD) device comprising:first and second substrates disposed opposite and apart from each other;a first electrode formed on an inner surface of the first substrate;a second electrode corresponding to the first electrode and configured to generate an electric field; anda liquid crystal (LC) layer formed between the first and second substrates, the LC layer including a polymer network and LC molecules confined in multiple domains by the polymer network.2. The LCD device of claim 1 , wherein the polymer network is formed by curing a reactive material.3. The LCD device of claim 2 , wherein the reactive material is a reactive mesogen or a reactive monomer.4. A method of fabricating a horizontal electric field-type liquid crystal display (LCD) device claim 2 , the method comprising:forming a first electrode and a second electrode on a first substrate, the second electrode corresponding to the first electrode and configured to generate an electric field;bonding the first and second substrates to each other;forming a liquid crystal (LC) layer between the first and second substrates using a composition including an LC material and a reactive material; andforming a polymer network in the LC layer by curing the reactive material.5. The method of claim 4 , wherein the reactive material is contained at a content of about 0.1% or more by weight.6. The method of claim 4 , wherein the reactive ...

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Номер записи: 20
27-02-2014 дата публикации

Liquid Crystal Display Device

Номер: US20140055730A1
Автор: Weili Zhao
Принадлежит: BOE Technology Group Co Ltd

A liquid crystal display device, which comprises: a backlight source ( 1 ); a first handedness cholesteric liquid crystal film layer ( 2 ), located at an upper side of the backlight source ( 1 ) as a light emitting surface; an array substrate ( 3 ), located at an upper side of the first handedness cholesteric liquid crystal film layer ( 2 ); a color filter substrate ( 5 ), located at an upper side of the array substrate ( 3 ); and a second handedness cholesteric liquid crystal layer ( 4 ), sandwiched between the array substrate ( 3 ) and the color filter substrate ( 5 ), the first handedness being opposite to the second handedness. The liquid crystal display device greatly improves light efficiency and transmittance of the display and saves the processing steps and manufacturing costs.

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Номер записи: 21
27-02-2014 дата публикации

Integrated force localizer and digitizer and/or lcd drive for cholesteric liquid crystal display

Номер: US20140055731A1
Автор: Bernard Kirk Rihn
Принадлежит: Microsoft Corp

A cholesteric liquid crystal display and a method of making are provided. The cholesteric liquid crystal display may include a first layer of insulating material forming a force backplate and having a conductive trace laminated thereto. Components may be soldered to and electrically connected to the conductive trace. A second layer of insulating material may be laminated over the first layer, the soldered components, and the conductive trace to form a thin smooth layer. A pressure-sensitive cholesteric liquid crystal display layer may be laminated to a surface of the thin smooth layer. The force backplate is substantially thick such that when pressure is applied to a surface of the pressure-sensitive cholesteric liquid crystal display layer with an implement dragged across a surface thereof, a reflective state of liquid crystal is changed and a line representative of a thickness of the implement is displayed.

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Номер записи: 22
20-03-2014 дата публикации

Switchable Projection Window

Номер: US20140078410A1
Автор: Wang Jiansheng
Принадлежит: Scienstry, Inc.

A window apparatus comprises a first layer including a liquid crystal microdroplet (LCMD) display switchable between transparent and opaque states in response to a change in an applied electrical voltage and a second layer coupled to the first layer. The second layer is changeable between a light transmitting configuration and a light blocking configuration. 1. A window apparatus , the apparatus comprising:a first layer, wherein the first layer includes a liquid crystal microdroplet (LCMD) display switchable between transparent and opaque states in response to a change in an applied electrical voltage; anda second layer coupled to the first layer, wherein the second layer is changeable between a light transmitting configuration and a light blocking configuration.2. The window apparatus of wherein the LCMD display is adapted to display a projected image.3. The window apparatus of further comprising a frame to which the first and second layers are mounted.4. The window apparatus of wherein the first layer is bonded to the second layer.5. The window apparatus of wherein the first layer and second layer are fused together.6. The window apparatus of wherein the LCMD display is a non-homogenous polymer dispersed liquid crystal display (NPD-LCD).7. The window apparatus of wherein the LCMD display is a positive mode LCMD display.8. The window apparatus of wherein the LCMD display is a negative mode LCMD display.9. The window apparatus of wherein the first layer is movable between a closed configuration and an open configuration.10. The window apparatus of wherein the second layer is movable between a closed and an open configuration.11. The window apparatus of wherein the second layer is switchable between the light transmitting configuration and the light blocking configuration in response to a change in an applied electrical voltage.12. The window apparatus of wherein the second layer includes a switchable twisted nematic liquid crystal display (TN-LCD) claim 1 , a super ...

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Номер записи: 23
20-03-2014 дата публикации

Liquid Crystal Panel And Manufacturing Method Thereof, Liquid Crystal Display Device

Номер: US20140078445A1
Автор: Wang Xinxing, YOU Jaegeon
Принадлежит: BOE Technology Group Co., Ltd.

Embodiments of the invention disclose a liquid crystal panel and a manufacturing method thereof, and a liquid crystal display device. The liquid crystal panel comprises two substrates disposed to be cell-aligned, reaction active sites for polymerization reaction are evenly formed on surfaces of the two substrates in opposition to each other, and a polymer dispersed liquid crystal layer is disposed between the two substrates. At least a part of polymer contained in the polymer dispersed liquid crystal layer is bonded to the reaction active sites. 1. A liquid crystal panel , comprising:two substrates disposed opposing each other, at least one substrate of the two substrates including reaction active sites for polymerization reaction on its surface facing the other substrate; anda polymer dispersed liquid crystal layer disposed between the two substrates,wherein at least a part of polymer contained in the polymer dispersed liquid crystal layer is bonded to the reaction active sites.2. The liquid crystal panel according to claim 1 , wherein the reaction active sites are formed on both surfaces that face each other of the two substrates.3. The liquid crystal panel according to claim 1 , wherein the substrates are formed of organic glass.4. The liquid crystal panel according to claim 1 , wherein the polymer in the polymer dispersed liquid crystal layer comprises methacrylates polymer claim 1 , acrylates polymer or epoxy resin polymer.5. The liquid crystal panel according to claim 2 , wherein the polymer in the polymer dispersed liquid crystal layer comprises methacrylates polymer claim 2 , acrylates polymer or epoxy resin polymer.6. The liquid crystal panel according to claim 1 , wherein the reaction active sites are substrate surface defects formed by processing the surface of the substrate.7. The liquid crystal panel according to claim 1 , wherein a size of each of the reaction active sites is in a range from 1 micron to 10 microns.8. The liquid crystal panel according ...

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Номер записи: 24
20-03-2014 дата публикации

Liquid Crystal Display And Manufacturing Method Thereof

Номер: US20140078446A1
Автор: Chen Dong, Guo Renewei
Принадлежит: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

A process for manufacturing a liquid crystal display panel comprises: mixing negative liquid crystals, UV polymerizable monomers, and a photoinitiator to obtain a liquid crystal mixture; sealing the liquid crystal mixture in a liquid crystal cell formed from an array substrate and an opposed substrate to form the liquid crystal display panel; and radiating the liquid crystal display panel using UV light and heating the liquid crystal panel. 1. A process for manufacturing a liquid crystal display panel comprisingmixing negative liquid crystals, UV polymerizable monomers, and a photoinitiator to obtain a liquid crystal mixture;sealing the liquid crystal mixture in a liquid crystal cell formed from an array substrate and an opposed substrate to form the liquid crystal display panel; andradiating the liquid crystal display panel using UV light, and heating the liquid crystal panel.2. The process according to claim 1 , wherein the negative liquid crystals claim 1 , the UV polymerizable monomers claim 1 , and the photoinitiator are mixed proportionally to obtain the liquid crystal mixture;the liquid crystal mixture is agitated away from light; andthe liquid crystal mixture, after agitation, is placed in a defoaming machine for defoaming.3. The process according to claim 1 , wherein in the liquid crystal mixture claim 1 , the negative liquid crystals account for 90%˜98% by weight percentage claim 1 , the UV polymerizable monomers account for 1%˜9% by weight percentage claim 1 , and the photoinitiator account for 0.1%˜1% by weight percentage.4. The process according to claim 1 , wherein the negative liquid crystals are fluoro-derivatives claim 1 , the negative liquid crystals contain in their molecule structures rigid group structures;the number of benzene rings in a liquid crystal molecule of the negative liquid crystal is 2˜3; andthe number of the flexible chains in a liquid crystal molecule of the negative liquid crystal is 3˜8.10. The process according to claim 1 , ...

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Номер записи: 25
27-03-2014 дата публикации

Display Device

Номер: US20140085568A1
Автор: Li Wenbo, Wang Gang, Wang Qingjiang
Принадлежит: BOE Technology Group Co., Ltd.

A display device is provided, comprising a display panel and a polymer dispersed liquid crystal panel overlapped in order, and an ambient light source system disposed at a side of the polymer dispersed liquid crystal panel opposite to the display panel. The display device is simplified in structure and driving circuit thereof while avoiding impact on heat-resistance performance of the PDLC panel resulted from over temperature of the light source at side of the light guide plate. 1. A display device , comprising:a display panel and a polymer dispersed liquid crystal panel overlapped in order, andan ambient light source system disposed at a side of the polymer dispersed liquid crystal panel opposite to the display panel.2. The display device according to claim 1 , wherein the display panel is a liquid crystal display panel.3. The display device according to claim 1 , further comprising a drive circuit of the display panel and a drive circuit of the polymer dispersed liquid crystal panel claim 1 , wherein the drive circuit of the polymer dispersed liquid crystal panel is configured to control the On/Off state of the polymer dispersed liquid crystal panel.4. The display device according to claim 1 , wherein the display panel and the polymer dispersed liquid crystal panel are disposed in parallel.5. The display device according to claim 1 , wherein the light emitted by the ambient light source system is incident to the display panel via the polymer dispersed liquid crystal panel.6. The display device according to claim 1 , wherein the ambient light source system is located in a plane perpendicular to the display panel and connected to an edge of the display panel.7. The display device according to claim 3 , further comprising a remote control device claim 3 , which supplies a signal for controlling the On/Off state of the polymer dispersed liquid crystal panel to the drive circuit of the polymer dispersed liquid crystal panel.8. The display device according to claim 7 , ...

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Номер записи: 26
27-03-2014 дата публикации

Flexible Transparent Liquid Crystal Display And Method For Preparing Same

Номер: US20140085574A1
Автор: Jaegeon You, Miki Kashima
Принадлежит: BOE Technology Group Co Ltd

There is provided a flexible transparent liquid crystal display ( 10 ) comprises a first flexible substrate ( 101 ) provided with a common electrode layer ( 102 ); a second flexible substrate ( 105 ) provided with an array of pixel electrodes ( 103 ) and thin film field effect transistors ( 104 ); wherein at least one bi-stable state polymer dispersed liquid crystal layer ( 106 ) is provided between the first flexible substrate ( 104 ) and the second flexible substrate ( 105 ). There is also provided a method for preparing the same, which can increase the efficiency of the process for preparing the flexible transparent liquid crystal display.

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Номер записи: 27
10-04-2014 дата публикации

PDLC FILM STRUCTURE, MANUFACTURING METHOD AND CONTROLLING METHOD THEREOF

Номер: US20140098316A1
Автор: KASHIMA Miki, YOU Jaegeon
Принадлежит: BOE Technology Group Co., Ltd.

A PDLC film structure, a manufacturing method and a controlling method thereof are provided. The PDLC film structure comprising: a first substrate and a second substrate disposed facing each other; and a PDLC layer filled between the first substrate and the second substrate. A transparent electrode is provided on a surface of the first substrate which faces the second substrate, and a plurality of control units are provided on a surface of the second substrate which faces the first substrate, each control unit comprising a first thin film field effect transistor and a first transparent electrode connected thereto, and a second thin film field effect transistor and a second transparent electrode connected thereto. 1. A polymer dispersed liquid crystal (PDLC) film structure , comprising:a first substrate and a second substrate disposed facing each other; anda PDLC layer filled between the first substrate and the second substrate,wherein a transparent electrode is provided on a surface of the first substrate which faces the second substrate, anda plurality of control units are provided on a surface of the second substrate which faces the first substrate, each control unit comprising a first thin film field effect transistor and a first transparent electrode connected thereto, and a second thin film field effect transistor and a second transparent electrode connected thereto.2. The PDLC film structure according to claim 1 , whereineach of the first transparent electrode and the second transparent electrode is a comb-shaped electrode,the first transparent electrode and the second transparent electrode are arranged opposing to each other, and comb tooth portions of each of the first transparent electrode and the second transparent electrode extending into between comb tooth portions of the other transparent electrode of the first transparent electrode and the second transparent electrode, andthe comb tooth portions of the first transparent electrode and the comb tooth ...

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Номер записи: 28
06-01-2022 дата публикации

LIGHT CONTROL SHEET, LIGHT CONTROL DEVICE AND METHOD OF CONTROLLING THE LIGHT CONTROL SHEET

Номер: US20220004036A1
Автор: KOMATSU Motoyasu
Принадлежит: TOPPAN PRINTING CO., LTD.

A light control sheet including a light control layer and transparent electrode layers sandwiching the light control layer such that the transparent electrode layers apply a voltage to the light control layer. The light control layer has a light-shielding property which changes based on the voltage applied to the transparent electrode layers and is measurable by a light-shielding ratio defined by JIS L 1055:2009, and at least one target change ratio has a maximum value of 0.7 or more in an absolute value, where the target change ratio is a change ratio of the light-shielding ratio with respect to the voltage in a target range of the voltage in which the light-shielding ratio changes by 10%. 1. A light control sheet , comprising:a light control layer; anda plurality of transparent electrode layers sandwiching the light control layer such that the transparent electrode layers apply a voltage to the light control layer,wherein the light control layer has a light-shielding property which changes based on the voltage applied to the transparent electrode layers and is measurable by a light-shielding ratio defined by JIS L 1055:2009, and at least one target change ratio has a maximum value of 0.7 or more in an absolute value, where the target change ratio is a change ratio of the light-shielding ratio with respect to the voltage in a target range of the voltage in which the light-shielding ratio changes by 10%.2. The light control sheet according to claim 1 , wherein the target change ratio has a maximum value of 6.0 or less in the absolute value.3. The light control sheet according to claim 1 , wherein the light-shielding ratio has a maximum value of 30% or more.4. The light control sheet according to claim 1 , wherein the light control sheet is configured such that the light-shielding ratio changes by 50% or more based on the voltage applied to the transparent electrode layers.5. The light control sheet according to claim 1 , wherein the light control layer includes a ...

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Номер записи: 29
01-01-2015 дата публикации

LIQUID CRYSTAL SWITCHING BARRIER THERMAL CONTROL

Номер: US20150002769A1
Автор: Heresztyn Amaury, Kalyanasundaram Nagarajan
Принадлежит:

A polymer dispersed liquid crystal layer applied to the display screen for an electronic device is described herein. The polymer dispersed liquid crystal applied to the display screen is operable to switch between a transparent state and a translucent and/or opaque state. In the transparent state the display screen is viewable as usual. In the translucent and/or opaque state the liquid crystal prevents incident solar radiation from heating up the internal components of the device. 1. A device comprising:a cover window protecting an internal hardware element;a display stack underlying the cover window; anda polymer dispersed liquid crystal (PDLC) layer positioned adjacent to the cover window; whereinthe PDLC layer is operable in a first state and a second state;the PDLC layer is in communication with the internal hardware; andthe internal hardware element provides at least one of a switching signal or power supply for applying an electric field to the PDLC layer.2. The device of claim 1 , wherein:the PDLC layer includes a liquid crystal array that is aligned in the first state in response to an electric field being applied; andthe liquid crystal array is not aligned in the second state in response to the electric field not being applied.3. The device of claim 1 , wherein:the PDLC layer includes a liquid crystal array that is not aligned in the first state in response to an electric field being applied; andthe liquid crystal array is aligned in the second state in response to the electric field not being applied.4. The device of further comprising: a temperature sensor in communication with the internal hardware element claim 1 , wherein the internal hardware element switches the liquid crystal between the first state and the second state in response to a signal from the temperature sensor.5. The device of further comprising: an exterior interface in communication with the internal hardware element claim 1 , wherein the internal hardware element switches the liquid ...

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Номер записи: 30
14-01-2016 дата публикации

2D AND 3D IMAGE SWITCHABLE DISPLAY DEVICE AND LENTICULAR LENS ELEMENT

Номер: US20160011427A1
Автор: Lin Mingyan
Принадлежит:

The display device includes an image display the screen of which includes a plurality of sub-pixels of three primary colors R, G and B for displaying a 2D image and a 3D image; and a DFD-PDLC lenticular lens array which includes a plurality of parallel DFD-PDLC lenticular lens elements, wherein the direction of the long axis of each of the DFD-PDLC lenticular lens elements is vertical or slant to the screen of an image display, the DFD-PDLC lenticular lens array is installed in front of the screen of the image display, the optical refractive index of the DFD-PDLC lenticular lens elements is variated under the drive of an external drive voltage V(f) to switch between the display of a 2D image and the display of a 3D image on the screen of the image display, wherein f is the drive frequency of the external drive voltage. 1. A 2D and 3D image switchable display device , comprising:an image display the screen of which comprises a plurality of sub-pixels of three primary colors R, G and B for displaying a 2D image and a 3D image; anda dual-frequency driven polymer dispersed liquid crystal (DFD-PDLC) lenticular lens array which comprises a plurality of parallel DFD-PDLC lenticular lens elements, wherein a direction of a long axis of each DFD-PDLC lenticular lens element is vertical or slant to a screen of the image display, the DFD-PDLC lenticular lens array is installed in front of the screen of the image display, and the optical refractive index of the DFD-PDLC lenticular lens elements is variated under the drive of an external drive voltage V(f) to switch between the display of a 2D image and the display of a 3D image on the screen of the image display, wherein f is the drive frequency of the external drive voltage.2. The 2D and 3D image switchable display device according to claim 1 , wherein the image display is selected from a liquid crystal display claim 1 , a plasma display claim 1 , an OLED display claim 1 , and an LED display claim 1 , and the configuration of ...

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Номер записи: 31
09-01-2020 дата публикации

LIGHT CONTROL LAMINATE AND RESIN SPACER FOR LIGHT CONTROL LAMINATES

Номер: US20200012138A1
Автор: Nakajima Minoru, Ueda Saori, YAMADA Yasuyuki
Принадлежит:

There is provided a light control laminate in which the gap between base materials can be controlled with high precision. The light control laminate according to the present invention includes a first transparent base material, a second transparent base material, and a light control layer arranged between the first transparent base material and the second transparent base material, and the light control layer contains plural resin spacers. 1. A light control laminate , comprising: a first transparent base material; a second transparent base material; and a light control layer arranged between the first transparent base material and the second transparent base material ,the light control layer containing plural resin spacers.2. The light control laminate according to claim 1 , wherein the resin spacers have a spherical shape or a pillar-like shape.3. The light control laminate according to claim 1 , wherein the light control layer further contains a binder and a liquid crystal material dispersed in the binder.4. The light control laminate according to claim 1 , wherein the light control layer further contains a resin matrix and a light control suspension dispersed in the resin matrix.5. The light control laminate according to claim 1 , further having a curved surface portion.6. The light control laminate according to claim 1 , wherein the resin spacers have a spherical shape andthe CV value of the particle diameter of the resin spacer is 2.0% or more.7. The light control laminate according to claim 6 , wherein the 10% K value of the resin spacer is 10000 N/mmor less.8. The light control laminate according to claim 6 , wherein the average particle diameter of the resin spacer is 1 μm or more and is 50 μm or less.9. The light control laminate according to claim 1 , wherein the resin spacers have a pillar-like shape and{'sup': '2', 'the 10% K value of the resin spacer is 10000 N/mmor less.'}10. The light control laminate according to claim 9 , wherein the average height ...

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Номер записи: 32
14-01-2021 дата публикации

DISPLAY DEVICE

Номер: US20210012726A1
Автор: Ozaki Tadafumi
Принадлежит: Japan Display Inc.

According to an aspect, a display device, includes: a display panel that includes a polymer-dispersed liquid crystal sealed between two facing substrates and is configured to display a frame image by arranging a plurality of line images in a scanning direction; and a light source that is configured to emit light from one side surface side of the display panel. One frame period assigned to the frame image includes an image display period and a luminance correction period, and a total luminance of the display panel during the luminance correction period is increased with decreasing distance from an opposite side of the one side surface side. 1. A display device comprising:a display panel that includes a polymer-dispersed liquid crystal sealed between two facing substrates and is configured to display a frame image by arranging a plurality of line images in a scanning direction; anda light source that is configured to emit light from one side surface side of the display panel, whereinone frame period assigned to the frame image includes an image display period and a luminance correction period, anda total luminance of the display panel during the luminance correction period is increased with decreasing distance from an opposite side of the one side surface side.2. The display device according to claim 1 , wherein in the display panel during the luminance correction period claim 1 , a light scattering degree of the polymer-dispersed liquid crystal is increased with decreasing distance from the opposite side of the one side surface side.3. The display device according to claim 1 , wherein in the display panel during the luminance correction period claim 1 , a light scattering time of the polymer-dispersed liquid crystal is increased with decreasing distance from the opposite side of the one side surface.4. The display device according to claim 1 , whereinthe image display period includes a predetermined number of subframe periods corresponding to the number of colors of ...

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Номер записи: 33
03-02-2022 дата публикации

DISPLAY DEVICE

Номер: US20220035189A1
Автор: ASOZU Genki, HIGANO Toshiyuki, MIKI Hirohisa
Принадлежит:

According to one embodiment, a display device includes a plurality of first prisms, a plurality of second prisms and a display panel provided between the first prisms and the second prisms, and the display panel includes a first substrate including a first transparent substrate and a pixel electrode, a second substrate including a second transparent substrate and a common electrode opposing the pixel electrode, and a liquid crystal layer provided between the first substrate and the second substrate and containing a polymer and liquid crystal molecules. 1. A display device comprising:a plurality of first prisms;a plurality of second prisms; anda display panel provided between the first prisms and the second prisms,the display panel comprising:a first substrate comprising a first transparent substrate and a pixel electrode,a second substrate comprising a second transparent substrate and a common electrode opposing the pixel electrode, anda liquid crystal layer provided between the first substrate and the second substrate and containing a polymer and liquid crystal molecules.2. The display device of claim 1 , whereineach of the first prisms comprises a first apex opposing the first transparent substrate, andeach of the second prisms comprises a second apex opposing the second transparent substrate.3. The display device of claim 2 , whereinthe first apex has a first apical angle, andthe second apex has a second apical angle equivalent to the first apical angle.4. The display device of claim 3 , whereinthe first apical angle and the second apical angle are greater than 15° but less than 21°.5. The display device of claim 2 , whereineach of the first prisms comprises a first surface substantially perpendicular to the first transparent substrate and a first inclined surface inclined with respect to the first transparent substrate, and the first surface and the first inclined surface form the first apex,each of the second prisms comprises a second surface substantially ...

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Номер записи: 34
03-02-2022 дата публикации

DISPLAY DEVICE

Номер: US20220035190A1
Автор: Ikeda Kojiro, NAKAMURA Tenfu, Okuyama Kentaro
Принадлежит:

According to one embodiment, a display device comprises substrates, a liquid crystal layer containing stringy polymers, a display area with first and second pixels and a light source. In a spatial frequency spectrum obtained by performing FT on a pattern of the polymers which overlap the pixels with respect to first and second frequency components, when an outline in a plane defined by the components in an area having a value of 75% or more of the maximum value is defined as an evaluation circle, and a value obtained by dividing a length of a major axis of the circle by that of a minor axis is defined as an evaluation value, the evaluation value of the first pixel is greater than that of the second pixel. 1. A display device comprising:a first substrate;a second substrate opposing the first substrate;a liquid crystal layer disposed between the first substrate and the second substrate and containing stringy polymers and liquid crystal molecules;a display area including a plurality of pixels; anda light source that irradiates light onto a side surface of the first substrate or the second substrate,whereinthe plurality of pixels include a first pixel and a second pixel closer to the side surface than the first pixel, andin a spatial frequency spectrum obtained by performing a two-dimensional Fourier transformation on a pattern of the stringy polymers which overlap the pixels in planer view with respect to a first frequency component and a second frequency component, when an outline in a plane defined by the first frequency component and the second frequency component in an area having a value of 75% or more of the maximum value in the spectrum is defined as an evaluation circle, and a value obtained by dividing a length of a major axis of the evaluation circle by a length of a minor axis of the evaluation circle is defined as an evaluation value, the evaluation value of the stringy polymers overlapping the first pixel is greater than the evaluation value of the stringy ...

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Номер записи: 35
03-02-2022 дата публикации

METHOD FOR MANUFACTURING DIMMING ELEMENT

Номер: US20220035197A1
Автор: Hirai Mariko, Ogawa Tiago, OTSUKA Masanori, Takemoto Hiroyuki
Принадлежит: NITTO DENKO CORPORATION

A method of manufacturing a light control element including an extraction electrode portion includes the steps of obtaining a light control film including a first base material with a transparent electrode layer and a second base material with a transparent electrode layer arranged so that transparent electrode layers are opposed to each other, a liquid crystal light control layer sandwiched between the base materials with transparent electrode layers, and an extending portion extending in a direction perpendicular to a thickness direction; inserting peeling means between the base materials with transparent electrode layers in the extending portion, to thereby peel off one base material with a transparent electrode layer from the light control film and bending a peeled portion of the one base material with a transparent electrode layer outward, to snap the peeled portion. The one base material has a breakage bending diameter of from 0.1 mm to 5 mm. 1. A method of manufacturing a light control element including an extraction electrode portion , comprising:obtaining a light control film including a first base material with a transparent electrode layer and a second base material with a transparent electrode layer arranged so that transparent electrode layers are opposed to each other, a liquid crystal light control layer sandwiched between the first base material with a transparent electrode layer and the second base material with a transparent electrode layer, and an extending portion extending in a direction perpendicular to a thickness direction;inserting peeling means between the first base material with a transparent electrode layer and the second base material with a transparent electrode layer in the extending portion, to thereby peel off one of the first base material with a transparent electrode layer and the second base material with a transparent electrode layer from the light control film; andbending a peeled portion of the one of the first base material ...

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Номер записи: 36
19-01-2017 дата публикации

Liquid Crystal Paper

Номер: US20170017099A1
Автор: Green Albert M., MORRIS Hunter
Принадлежит:

Disclosed is liquid crystal paper and an erasing device that is not permanently connected to the liquid crystal paper. A sheet of liquid crystal paper includes flexible polymeric substrates. A polymer network or a spacer network, in which bistable cholesteric reflective liquid crystal material is dispersed, is disposed between two of the substrates. Optional alignment layers or optional electrically conductive layers sandwich the liquid crystal material therebetween. An optional layer of light absorbing material is disposed near one of the substrates. Application of pressure to an upper substrate changes a focal conic nonreflective texture of the liquid crystal material to a reflective planar texture. The erasing device applies a voltage or heat for erasing the paper by changing the reflective planar texture to the focal conic nonreflective texture. 125-. (canceled)26. Liquid crystal paper in combination with a separate erasing device for erasing the liquid crystal paper with heat comprising: flexible polymeric substrates;', 'a polymer network or a spacer network in which bistable cholesteric reflective liquid crystal material is dispersed, disposed between two of said substrates;', 'a layer of light absorbing material disposed near one of said substrates;', 'wherein application of pressure to an upper said substrate changes a focal conic nonreflective texture of said liquid crystal material to a reflective planar texture; and, 'a sheet of liquid crystal paper comprisingan erasing device for erasing said liquid crystal paper that is not permanently connected to said liquid crystal paper, said erasing device applying heat effective to cause said liquid crystal material to reach a clearing temperature such that after said liquid paper cools it returns to said focal conic nonreflective texture.27. The liquid crystal paper and separate erasing device of wherein all of said substrates that are upstream of said light absorbing layer in a direction of incident light are ...

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Номер записи: 37
16-01-2020 дата публикации

SWITCHING DEVICE AND DISPLAY DEVICE

Номер: US20200019010A1
Автор: Minoura Kiyoshi, Usukura Naru
Принадлежит:

The switching device of the present invention includes a switching liquid crystal cell switchable between a switching mode of converting a vibration direction of incident polarized light and a non-switching mode of not converting the vibration direction of the incident polarized light; an anisotropic light scattering layer configured to scatter incident light at a specific azimuth; and a polarized light reflective layer, wherein in the anisotropic light scattering layer, a haze is 50% or higher and a full width at half maximum of luminance at a first azimuth is greater than a full width at half maximum of the luminance at a second azimuth and less than ten times the full width at half maximum of the luminance at the second azimuth, the first azimuth being the specific azimuth where the scattered light has maximum intensity, the second azimuth being an azimuth where the scattered light has minimum intensity. 1. A switching device comprising:a switching liquid crystal cell switchable between a switching mode of converting a vibration direction of incident polarized light and a non-switching node of not converting the vibration direction of the incident polarized light;an anisotropic light scattering layer configured to scatter incident light at a specific azimuth; anda polarized light reflective layer disposed on one or both of a side remote from the anisotropic light scattering layer of the switching liquid crystal cell and a side close to the anisotropic light scattering layer of the switching liquid crystal cell,wherein in the anisotropic light scattering layer, a haze is 50% or higher and a full width at half maximum of luminance at a first azimuth is greater than a full width at half maximum of the luminance at a second azimuth and less than ten times the full width at half maximum of the luminance at the second azimuth, the first azimuth being the specific azimuth where the light scattered by the anisotropic light scattering layer has maximum intensity, the ...

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Номер записи: 38
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: 39
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: 40
10-02-2022 дата публикации

Light source module and dual display device

Номер: US20220043303A1
Автор: CHEN HUI-CHUAN, TSENG Ching-Tai
Принадлежит:

A light source module includes a light guide plate, a light source, a first inverse prism sheet and a second inverse prism sheet. The light guide plate has a light incident surface and opposite first light exit surface and second light exit surface. The first inverse prism sheet is disposed beside the first light exit surface, and has a first bearing surface and a plurality of first prisms. Each of the first prisms has a first surface. A first included angle is formed between the first surface and the first bearing surface. The second inverse prism sheet is disposed beside the second light exit surface, and has a second bearing surface and a plurality of second prisms. Each of the second prisms has a second surface. A second included angle is formed between the second surface and the second bearing surface. A dual display device is also provided. 1. A light source module , comprising:a light guide plate, having a first light exit surface, a second light exit surface opposite to the first light exit surface, and a light incident surface connected between the first light exit surface and the second light exit surface, wherein the second light exit surface has a plurality of microstructures;a light source, disposed beside the light incident surface, wherein the light source is adapted to emit light into the light guide plate through the light incident surface;a first inverse prism sheet, disposed beside the first light exit surface of the light guide plate, wherein the first inverse prism sheet has a first bearing surface and a plurality of first prisms, the plurality of first prisms are disposed on the first bearing surface and face the first light exit surface, each of the first prisms has a first surface, the first surface is inclined with respect to the first bearing surface and faces away from the light source, and a first included angle is formed between the first surface and the first bearing surface; anda second inverse prism sheet, disposed beside the second ...

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Номер записи: 41
24-04-2014 дата публикации

LIQUID CRYSTAL DISPLAY PANEL AND MANUFACTURING METHOD THEREOF

Номер: US20140111760A1
Автор: Chen Dong, Guo Renwei
Принадлежит: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Embodiments of the present invention disclose a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises two substrates disposed opposite to each other and a liquid crystal layer filled between the two substrates, and the liquid crystal layer is formed from a mixture, comprising discotic liquid crystal, nematic liquid crystal and photoinitiator, by UV-light irradiation; the mixture comprises 5%˜50% by mass of discotic liquid crystal, 40˜90% by mass of nematic liquid crystal, and 0.05%˜10% by mass of photoinitiator. The liquid crystal panel can have reduced response time. 1. A liquid crystal display panel , comprising: two substrates disposed opposite to each other and a liquid crystal layer filled between the two substrates , wherein the liquid crystal layer is formed from a mixture , comprising discotic liquid crystal , nematic liquid crystal and photoinitiator , by UV-light irradiation; and the mixture comprises 5%˜50% by mass of discotic liquid crystal , 40˜90% by mass of nematic liquid crystal , and 0.05%˜10% by mass of photoinitiator.2. The liquid crystal panel according to claim 1 , wherein the mass percentage of discotic liquid crystal is 5˜10%.3. The liquid crystal panel according to claim 1 , wherein the photoinitiator is one or a mixture of two or more substances selected from dibenzoyl peroxide claim 1 , lauroyl peroxide claim 1 , azobisisobutyronitrile claim 1 , azobisisoheptonitrile claim 1 , diisopropyl peroxydicarbonate claim 1 , and dicyclohexyl peroxydicarbonate.4. A manufacturing method for a liquid crystal display panel claim 1 , comprising:forming an alignment layer by applying an aligning agent on at least one of two substrates adapted for manufacture of a liquid crystal panel;mixing discotic liquid crystal, nematic liquid crystal and photoinitiator and stirring with protection from light to obtain a mixture;adding dropwise the mixture onto the substrate formed with the alignment layer, with ...

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Номер записи: 42
23-01-2020 дата публикации

ELECTRICALLY CONTROLLED SMART WINDOW, PREPARATION METHOD THEREOF, AND LIGHT-ADJUSTING METHOD THEREOF

Номер: US20200026113A1
Автор: Li Hao, Li Nan, Zhou Guofu
Принадлежит:

An electrically controlled smart window, which includes two light-transmitting substrates arranged oppositely, a power supply component and an in-between light-adjusting area. Hereinto the light-adjusting area is divided into a matrix of light-adjusting units by pixel wall(s), and every units are closely arranged in a grid shape. To the power supply component, an electrode is connected with the pixel wall, and another is localized on the center of light-adjusting unit and did with the light-transmitting substrate. Both surface-charged liquid crystal polymer particles and conductive filling liquid are filled into the medium between the two light-transmitting substrates. According to the present disclosure, cholesteric liquid crystal polymer microparticles with specific reflection band and surface charges are used as basic reflectors, thereby achieving the significant advantages of being easy to manufacture, low cost, and stable performance, without causing interference to electromagnetic signals. 1. An electrically controlled smart window , comprising:two light-transmitting substrates arranged oppositely;a power supply component;a light-adjusting area between the light-transmitting substrates, wherein the light-adjusting area is divided into a plurality of light-adjusting units by pixel wall(s), and the light-adjusting units are closely arranged in a grid shape, one pole of the power supply component is connected with the pixel wall, and the other pole of the power supply component is connected with the light-transmitting substrate corresponding to a center of each light-adjusting unit; andliquid crystal polymer particles and a filling liquid filled between the two light-transmitting substrates, wherein surfaces of the liquid crystal polymer particles are charged.2. The electrically controlled smart window of claim 1 , wherein the surfaces of the liquid crystal polymer particles are subjected to protonation or ionization processing.3. The electrically controlled ...

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Номер записи: 43
23-01-2020 дата публикации

Optical stack for switchable directional display

Номер: US20200026114A1
Автор: Harrold Jonathan, Robinson Michael G., Woodgate Graham J.
Принадлежит:

A privacy display comprises a spatial light modulator and a compensated switchable guest-host liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified. 1. A display device comprising:a spatial light modulator comprising a layer of addressable pixels;a display polariser arranged on a side of the spatial light modulator, the display polariser being a linear polariser; anda guest-host liquid crystal retarder comprising a liquid crystal layer comprising a guest material and a host material, wherein the guest material is an anisotropic material and the host material is a liquid crystal material, the guest-host liquid crystal retarder being arranged on the same side of the spatial light modulator as the display polariser with the display polariser arranged between the guest-host liquid crystal retarder and the spatial light modulator,wherein the optical axis of the guest-host liquid crystal retarder has an alignment component perpendicular to the plane of the guest-host liquid crystal retarder in at least a state of the host material.2. A display device according to claim 1 , wherein the anisotropic material is an anisotropic absorber.3. A display device according to claim 2 , wherein the anisotropic material is a dichroic dye or a pleochroic dye.4. A display device according to claim 1 , wherein the anisotropic material comprises anisotropic metallic nanomaterial.5. A display device according to claim 4 , wherein the anisotropic metallic nanomaterial has a transparent electrically insulating surface ...

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Номер записи: 44
28-01-2021 дата публикации

DISPLAY DEVICE

Номер: US20210026171A1
Автор: NUMATA Yudai, Okuyama Kentaro
Принадлежит: Japan Display Inc.

According to one embodiment, a display device includes a display panel, a light emitting element, a light guide layer and a first optical layer. The display panel includes a first substrate, a second substrate opposed to the first substrate, and a polymer dispersed liquid crystal layer which is held between the first substrate and the second substrate and contains a polymer and a liquid crystal molecule. The light guide layer has a first surface opposed to the display panel, and an edge opposed to the light emitting element. The first optical layer is located between the display panel and the light guide layer. A refractive index of the first optical layer is lower than a refractive index of the light guide layer. 1. A display device comprising:a display panel including a first substrate, a second substrate which is opposed to the first substrate, polymers and liquid crystal molecules which are between the first substrate and the second substrate;a light emitting element;a light guide layer having a first surface which is opposed to the display panel, and a first side which is at a side of the light emitting element and a second side which is at the other side of the light emitting element;a first optical layer located between the first surface and the light guide layer and extending from the first side to the second side; andan adhesive layer located between the display panel and the light guide layer,whereina refractive index of the first optical layer is lower than a refractive index of the light guide layer,the first substrate is located between the first substrate and the light guide layer,the adhesive layer contacts the first substrate and the light guide layer,the adhesive layer is located between the first substrate and the first optical layer,a refractive index of the adhesive layer is higher than the refractive index of the first optical layer, and is equal to a refractive index of the first substrate and the refractive index of the light guide layer, ...

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Номер записи: 45
28-01-2021 дата публикации

DISPLAY PANEL CONTROL SYSTEM AND DISPLAY PANEL CONTROL METHOD

Номер: US20210027038A1
Автор: Shuai Chuan
Принадлежит:

A display panel control system and a display panel control method are provided. The display panel control system includes a display unit, a sensing unit, a control unit, and a sensor unit. A plurality of light transmitting holes formed in the touch area when the display unit is being touched, and the display unit to display the images when the display unit is not being touched. The sensor unit is configured to receive the fingerprint signals passing through the light transmitting holes and to collect fingerprint images. The display panel control method includes a display step, a sensing step, a controlling step, and a fingerprint image acquisition step. In the present disclosure, 100% comprehensive screen fingerprint recognition is realized without affecting the display function, and the screen ratio is improved. 1. A display panel control system , comprising:a display unit configured to display images;a sensing unit electrically-connected to the display unit and configured to sense a touch area where the display unit is being touched;a control unit electrically-connected to the display unit and the sensing unit, wherein the control unit is configured to control a plurality of light transmitting holes formed in the touch area used for fingerprint signals to pass through when the display unit is being touched, and the control unit is configured to control the display unit to display the images when the display unit is not being touched; anda sensor unit electrically-connected to the control unit, disposed corresponding to the display unit, and configured to receive the fingerprint signals passing through the light transmitting holes and to collect fingerprint images.2. The display panel control system according to claim 1 , wherein the sensor unit includes a plurality of sensors arranged in an array claim 1 , and the sensors are disposed in one-to-one correspondence with the light transmitting holes.3. The display panel control system according to claim 2 , wherein ...

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Номер записи: 46
02-02-2017 дата публикации

DISPLAY DEVICE AND ILLUMINATION DEVICE

Номер: US20170031187A1
Автор: DOUYOU Mamoru
Принадлежит:

A display device according to an aspect of the present invention includes a plurality of sub illumination regions in which switching between a scattering state and a non-scattering state are independently controlled by applying a voltage to a liquid crystal layer. In the sub illumination region, first electrodes for applying the voltage to the liquid crystal layer are aligned, The first electrodes is divided into a plurality of groups in which every or a plurality of first electrodes are electrically connected each other. The sub illumination region includes divided sub illumination regions, in which the switching between the scattering state and the non-scattering state are independently controlled, corresponding to the groups. 1. A display device comprising:a polymer dispersion type liquid crystal panel;a light source device configured to emit illumination light that is incident to an end face of the polymer dispersion type liquid crystal panel; anda display panel configured to modulate the illumination light which propagates through the polymer dispersion type liquid crystal panel and is dispersed by the polymer dispersion type liquid crystal panel, whereinthe polymer dispersion type liquid crystal panel includes a plurality of sub illumination regions, in which, switching between a scattering state where the illumination light is scattered and a non-scattering state where the illumination light is not scattered, are independently controlled by applying a voltage to a liquid crystal layer,in the sub illumination region, a plurality of first electrodes for applying the voltage to the liquid crystal layer are aligned,the plurality of first electrodes are respectively divided into a plurality of groups in which every or a plurality of first electrodes are electrically connected each other, andthe sub illumination region includes a plurality of divided sub illumination regions, in which the switching between the scattering state and the non-scattering state are ...

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Номер записи: 47
01-02-2018 дата публикации

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Номер: US20180031927A1
Автор: Ikeda Hisao, KUBOTA Daisuke, SEO Satoshi, Shishido Hideaki
Принадлежит:

A display device includes a first pixel and a second pixel. The first pixel and the second pixel are adjacent to each other. Each of the first pixel and the second pixel includes a first display region and a second display region. The first display region is configured to reflect incident light. The second display region is positioned inside the first display region and configured to emit light. The second display region has at least two pairs of parallel sides. A position of the second display region inside the first display region in the first pixel and a position of the second display region inside the first display region in the second pixel are different from each other. 1. A display device comprising:a first pixel; anda second pixel,wherein the first pixel and the second pixel are adjacent to each other,wherein each of the first pixel and the second pixel comprises a first display region and a second display region,wherein the first display region is configured to reflect incident light,wherein the second display region is positioned inside the first display region and configured to emit light,wherein the second display region comprises at least three pairs of parallel sides, andwherein a position of the second display region inside the first display region in the first pixel and a position of the second display region inside the first display region in the second pixel are different from each other.2. The display device according to claim 1 ,wherein a distance between a side of the second display region in the first pixel which is in a direction perpendicular to a direction in which the first pixel and the second pixel adjoin and which is closer to the second display region in the second pixel and a side of the second display region in the second pixel which is in the direction perpendicular to the direction in which the first pixel and the second pixel adjoin and which is closer to the second display region in the first pixel is greater than or equal to 10 μ ...

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Номер записи: 48
05-02-2015 дата публикации

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

Номер: US20150036079A1
Автор: KIM GWAN HA, KIM Sung Jun, LEE Jung Wook, LEE Soo Jung, SON Jung Ha, YUN Hae Ju
Принадлежит: Samsung Display Co., Ltd.

A display device and a method of manufacturing a display device are capable of preventing an alignment layer from being lumped in a microcavity. The display device includes: a substrate; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer formed on the pixel electrode; microcavities interposed between the pixel electrode and the roof layer; an injection hole formed in the roof layer, the injection hole configured to expose at least a portion of the microcavities; a first valley extended in one direction between the microcavities; an alignment layer formed on the pixel electrode, under the roof layer, and in the first valley; a liquid crystal layer filled in the microcavities; and an encapsulation layer formed on the roof layer, the encapsulation layer configured to cover the injection hole and to seal the microcavities. 1. A display device comprising:a substrate;a thin film transistor formed on the substrate;a pixel electrode connected to the thin film transistor;a roof layer formed on the pixel electrode;a plurality of microcavities interposed between the pixel electrode and the roof layer;an injection hole formed in the roof layer, the injection hole configured to expose at least a portion of the plurality of microcavities;a first valley extended in one direction between the plurality of microcavities;an alignment layer formed on the pixel electrode, under the roof layer, and in the first valley;a liquid crystal layer filled in the plurality of microcavities; andan encapsulation layer formed on the roof layer, the encapsulation layer configured to cover the injection hole and to seal the plurality of microcavities.2. The display device of claim 1 , wherein:the plurality of microcavities is disposed in the form of a matrix, andthe first valley is extended in a row direction between the plurality of microcavities, and includes a first odd valley in an odd row and a first even valley in an even row.3. ...

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Номер записи: 49
31-01-2019 дата публикации

DISPLAY DEVICE

Номер: US20190033663A1
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 comprising: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;first to third color filters of different colors 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 an electric field produced by each respective one of the first to third electrodes.2. The display device of claim 1 , whereinthe first to third color filters are red, green and blue, respectively.3. The display device of claim 2 , further comprising:a display panel, wherein the display panel includes the first substrate, the second substrate and the light-modulating layer, the display panel further comprising:a main surface including a display area which displays images; anda side surface crossing the main surface.4. The display device of claim 2 , whereinthe light-modulating layer comprises a first region and a second region both having optical ...

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Номер записи: 50
30-01-2020 дата публикации

Wide viewing angle display device

Номер: US20200033677A1
Автор: Yu-Wen Lee, Zong-Huei Tsai
Принадлежит: AU OPTRONICS CORP

A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.

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Номер записи: 51
11-02-2016 дата публикации

DISPLAY PANEL, DATA PROCESSING DEVICE, PROGRAM

Номер: US20160041428A1
Автор: Hirakata Yoshiharu, Yamazaki Shunpei
Принадлежит:

A novel display panel that is highly convenient or reliable is provided. Alternatively, a novel display panel that consumes less power when used under external light is provided. The inventors have reached an idea of a structure including: a first display element including a first electrode, a common electrode overlapping with the first electrode, and a layer including a luminescent organic compound between the first electrode and the common electrode; a second display element including the common electrode, a second electrode overlapping with the common electrode, and a layer including liquid crystal between the second electrode and the common electrode; an insulating layer between the common electrode and the layer including liquid crystal; a first display region including a plurality of the first display elements; and a second display region including a plurality of the second display elements and overlapping with the first display region. 1. A display panel comprising:a first base;a second base overlapping with the first base;a first display element capable of emitting light;a second display element capable of controlling transmittance of the light; andan insulating layer,wherein the first display element comprises a first electrode, a common electrode, and an EL layer,wherein the EL layer comprises a luminescent organic compound,wherein the common electrode overlaps with the first electrode,wherein the EL layer is positioned between the first electrode and the common electrode,wherein the second display element comprises a second electrode and a liquid crystal layer;wherein the liquid crystal layer comprises liquid crystal,wherein the second electrode overlaps with the common electrode,wherein the liquid crystal layer is positioned between the common electrode and the second electrode,wherein the insulating layer is positioned between the common electrode and the liquid crystal layer, andwherein the second display element overlaps with the first display element ...

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Номер записи: 52
11-02-2016 дата публикации

AUTOSTEREOSCOPIC 3D DISPLAY DEVICE

Номер: US20160044302A1
Автор: Fan Deyong, Fang Bin
Принадлежит: Shenzhen China Star Optoelectronics Technology Co.

An autostereoscopic 3D display device is disclosed. The autostereoscopic 3D display device includes: a display panel; an autostereoscopic 3D panel; an image comparing module; and a scattering module. The autostereoscopic 3D display device scatters a part of the emitting lights of one display image by disposing the image comparing module and the scattering module, thereby reducing the moire pattern phenomenon on the basis of without increasing the crosstalk of the display image. 1. An autostereoscopic 3D display device , comprising:a display panel for displaying a plurality of left eye images and a plurality of right eye images;an autostereoscopic 3D panel for adjusting emitting angles of emitting lights of the left eye images and emitting angles of emitting lights of the right eye images;an image comparing module for comparing a gray level of each of the left eye images with a gray level of a corresponding one of the right eye images and generating comparison results; anda scattering module for scattering at least a part of the emitting lights of the left eye images and the emitting lights of the right eye images according to the comparison results,wherein the autostereoscopic 3D panel is a barrier type autostereoscopic 3D panel or a lens type autostereoscopic 3D panel, the scattering module is disposed between the display panel and the autostereoscopic 3D panel or disposed at a light emitting surface side of the autostereoscopic 3D panel.2. The autostereoscopic 3D display device of claim 1 , wherein each of the left eye images and the right eye images comprises a plurality of image comparing areas claim 1 ,when a difference between a gray level of one of the image comparing areas in one of the left eye images and a gray level of a corresponding one of the image comparing areas in a corresponding one of the right eye images is smaller than a preset value, the scattering module scatters the emitting lights of the one of the image comparing areas in the one of the ...

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Номер записи: 53
07-02-2019 дата публикации

DISPLAY DEVICE

Номер: US20190041673A1
Автор: NUMATA Yudai, Okuyama Kentaro
Принадлежит: Japan Display Inc.

According to one embodiment, a display device includes a display panel, a light emitting element, a light guide layer and a first optical layer. The display panel includes a first substrate, a second substrate opposed to the first substrate, and a polymer dispersed liquid crystal layer which is held between the first substrate and the second substrate and contains a polymer and a liquid crystal molecule. The light guide layer has a first surface opposed to the display panel, and an edge opposed to the light emitting element. The first optical layer is located between the display panel and the light guide layer. A refractive index of the first optical layer is lower than a refractive index of the light guide layer. 1. A display device comprising:a display panel including a first substrate, a second substrate which is opposed to the first substrate, and a polymer dispersed liquid crystal layer which is held between the first substrate and the second substrate and contains a polymer and a liquid crystal molecule;a light emitting element;a light guide layer having a first surface which is opposed to the display panel, and an edge which is opposed to the light emitting element; anda first optical layer located between the display panel and the light guide layer, whereina refractive index of the first optical layer is lower than a refractive index of the light guide layer.2. The display device of claim 1 , whereinthe display panel includes a first pixel electrode, and a second pixel electrode which is far from the light emitting element than the first pixel electrode,the first optical layer includes a first opening which overlaps the first pixel electrode, and a second opening which overlaps the second pixel electrode, andan area of the second opening is larger than an area of the first opening.3. The display device of claim 1 , whereinthe display panel includes a first pixel electrode, and a second pixel electrode which is far from the light emitting element than the ...

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Номер записи: 54
06-02-2020 дата публикации

TOTAL-REFLECTION INFRARED REFLECTION DEVICE AND PREPARATION METHOD THEREOF

Номер: US20200041827A1
Автор: HU Xiaowen, Li Nan, Zhou Guofu
Принадлежит:

A total-reflection infrared reflection device and a preparation method thereof. The device includes two light-transmitting conductive substrates disposed oppositely, the two light-transmitting conductive substrates are packaged to form a seal cavity, in the seal cavity, opposite surfaces of the two light-transmitting conductive substrates are respectively coated with a first liquid crystal layer capable of reflecting left-handed polarized light and a second liquid crystal layer capable of reflecting right-handed polarized light, the first liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a left-handed spiral structure, the second liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a right-handed spiral structure, the cholesteric liquid crystal with the left-handed spiral structure can reflect left-handed polarized light, and the cholesteric liquid crystal with the right-handed spiral structure can reflect right-handed polarized light. 1. A total-reflection infrared reflection device , comprising:two light-transmitting conductive substrates disposed oppositely, the two light-transmitting conductive substrates being packaged to form a seal cavity;a first liquid crystal layer capable of reflecting left-handed polarized light and a second liquid crystal layer capable of reflecting right-handed polarized light, wherein, in the seal cavity, opposite surfaces of the two light-transmitting conductive substrates are respectively coated with the first liquid crystal layer and the second liquid crystal layer, the first liquid crystal layer comprises a polymer network and a cholesteric liquid crystal with a left-handed spiral structure, the second liquid crystal layer comprises a polymer network and a cholesteric liquid crystal with a right-handed spiral structure,the polymer networks can capture impurity positive ions in the first liquid crystal layer or the second liquid crystal layer, andin an electric ...

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Номер записи: 55
08-05-2014 дата публикации

LIQUID CRYSTAL DISPLAY PANEL, METHOD OF MANUFACTURING THE SAME AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME

Номер: US20140125895A1
Автор: CHOI Sun-Wook, Kim Hoon, KIM Ki-Han, SHIN Ki-Chul, YOON Tae-Hoon
Принадлежит:

A liquid crystal display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The lower substrate includes a first base substrate and a pixel electrode formed on the first base substrate. The first base substrate includes a first sub pixel area and a second sub pixel area. The upper substrate includes a second base substrate and a common electrode formed on the second base substrate. The liquid crystal layer is interposed between the lower substrate and the upper substrate, and includes a first polymer disposed in the first sub pixel area and a second polymer disposed in the second pixel area. The first polymer has a first pre-tilt, and the second polymer has a second pre-tilt different from the first pre-tilt. Thus, a display quality of a liquid crystal display apparatus including the liquid crystal display panel may be enhanced. 1. A liquid crystal display panel comprising:a first substrate comprising a first base substrate and a pixel electrode disposed on the first base substrate, the first base substrate comprising a first sub pixel area and a second sub pixel area;a second substrate comprising a second base substrate and a common electrode disposed on the second base substrate, the second base substrate facing the first base substrate; anda liquid crystal layer interposed between the first substrate and the second substrate and comprising a first polymer disposed in the first sub pixel area and a second polymer disposed in the second pixel area, the first polymer having a first pre-tilt and the second polymer having a second pre-tilt different from the first pre-tilt.2. The liquid crystal display panel of claim 1 , wherein the first polymer is an isotropic polymer claim 1 , and the second polymer is an anisotropic polymer claim 1 , andthe first pre-tilt is greater than the second pre-tilt.3. The liquid crystal display panel of claim 1 , wherein the first polymer comprises a first liquid crystal and a first reactive mesogen ...

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Номер записи: 56
03-03-2022 дата публикации

Display panel having micro leds, and method for controlling display panel having micros leds

Номер: US20220066260A1
Автор: Guangkui Qin
Принадлежит: BOE Technology Group Co Ltd

Disclosed are a display panel, a method for controlling a display panel, and a display device. The display panel includes a light-emitting substrate and an optical modulation structure which are laminated; and the optical modulation structure supports a first state and a second state which are switchable. In the first state of the optical modulation structure, a first light-emitting unit forms an image at a first position. In the second state of the optical modulation structure, the first light-emitting unit forms an image at a second position. According to the present disclosure, with the optical modulation structure, each light-emitting unit is enabled to form two images at different positions in different states. In this way, the state of the optical modulation structure can be continuously switched without increasing the number of light-emitting units, thereby improving a display effect of the display panel.

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Номер записи: 57
25-02-2016 дата публикации

VEHICLE SUNROOF WITH SWITCHABLE GLAZING AND SIDE-FIRING LIGHT EMITTING DIODES AND/OR METHODS OF MAKING THE SAME

Номер: US20160052446A1
Автор: FREY Timothy J., Vandal Robert A.
Принадлежит:

Certain example embodiments relate to a vehicle window (e.g., sunroof). Side-firing LEDs are provided between first and second substantially parallel substrates and emit light towards central regions of the window. A liquid-crystal inclusive switchable film is provided between the first and second substrates. The liquid crystals are sized such that light received from the LEDs is redirected in a direction substantially normal to major surfaces of the first and second substrates. The switchable film is operable in at least first and second modes, with the window in the first mode having a visible transmission of less than 1%, and with the window in the second mode having a visible transmission of 7-15%. The switchable film and the LEDs are operable independently of one another in connection with the LEDs emitting light and the switchable film controlling visible transmission therethrough. 1. A sunroof for a vehicle , comprising:first and second glass substrates substantially parallel to one another;a plurality of light emitting diodes (LEDs) provided between the first and second substrates and being configured to emit light towards central regions of the sunroof;a light scattering layer provided between the first and second substrates, the light scattering layer having light scatterers disposed therein, the light scatterers being sized and arranged in the light scattering layer and relative to the LEDs such that light received from the LEDs is redirected in a direction substantially normal to major surfaces of the first and second substrates.2. The sunroof of claim 1 , wherein the light scattering layer is a liquid-crystal inclusive switchable film and the scatterers are liquid crystals.3. The sunroof of claim 2 , wherein the liquid crystals have a mean diameter of about 0.5 microns.4. The sunroof of claim 2 , wherein the switchable film comprises a polymer-dispersed liquid crystal (PDLC) film.5. The sunroof of claim 2 , wherein the switchable film is operable in at ...

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Номер записи: 58
26-02-2015 дата публикации

ILLUMINATION UNIT AND DISPLAY UNIT

Номер: US20150055055A1
Автор: Ebisui Akira, Okuyama Kentaro, Sato Harumi, Shinaki Shogo
Принадлежит:

Provided is an edge light illumination device, in which a light modulation layer includes: a first region having optical anisotropy and a relatively high responsiveness to an electrical field; and a second region having optical anisotropy and a relatively low responsiveness to the electrical field. When denoting dispersal, the light modulation layer satisfies the formulae A>B>C and A1/C1B>C'}, {'br': None, 'i': A', '/C', ' Подробнее

Номер записи: 59
22-02-2018 дата публикации

DISPLAY DEVICE, ELECTRONIC DEVICE, AND MOBILE INFORMATION TERMINAL

Номер: US20180052363A1
Автор: HATSUMI Ryo, SEO Satoshi, Yamazaki Shunpei
Принадлежит:

A display device capable of displaying images with wide color gamut is provided. A display device capable of displaying images with wide color gamut and capable of relaxing contrast made by narrow spectra is provided. The display device includes a liquid crystal element and a light-emitting element. Light obtained from the liquid crystal element through a color filter has an NTSC area ratio of more than or equal to 20 percent and less than or equal to 60 percent and light emitted by the light-emitting element has a BT.2020 area ratio of more than or equal to 80 percent and less than or equal to 100 percent. 1. A display device comprising:a liquid crystal element; anda light-emitting element,wherein light obtained from the liquid crystal element through a color filter has an NTSC area ratio of more than or equal to 20% and less than or equal to 60%, andwherein light emitted by the light-emitting element has a BT.2020 area ratio of more than or equal to 80% and less than or equal to 100%.2. The display device according to claim 1 ,wherein the liquid crystal element is a reflective liquid crystal element, andwherein the light-emitting element comprises an EL layer between a reflective electrode and a semi-transmissive and semi-reflective electrode.3. The display device according to claim 1 ,wherein the liquid crystal element overlaps with the light-emitting element.4. A display device comprising:a liquid crystal element; anda light-emitting element,wherein light obtained from the liquid crystal element through a color filter has an NTSC coverage of more than or equal to 20% and less than or equal to 60%, andwherein light emitted by the light-emitting element has a BT.2020 coverage of more than or equal to 75% and less than or equal to 100%.5. The display device according to claim 4 ,wherein the liquid crystal element overlaps with the light-emitting element.6. The display device according to claim 4 ,wherein the liquid crystal element is a reflective liquid crystal ...

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Номер записи: 60
10-03-2022 дата публикации

DISPLAY DEVICE

Номер: US20220075216A1
Автор: Okuyama Kentaro, SAKAIGAWA Akira
Принадлежит:

A display device is provided and includes a display panel including; a first substrate, a lower electrode on the first substrate, a second substrate, an upper electrode on the second substrate, and liquid crystalline polymers with a striped structure and liquid crystal molecules disposed between the first substrate and the second substrate; a light source unit disposed at a side of the display panel and configured to emit incident light on the side of the display panel; and a light guided structure disposed between the side of the display panel and the light source unit, wherein the light guided structure has a grid-like structure. 1. A display device comprising:a display panel including;a first substrate,a lower electrode on the first substrate,a second substrate,an upper electrode on the second substrate, andliquid crystalline polymers with a striped structure and liquid crystal molecules disposed between the first substrate and the second substrate:a light source unit disposed at a side of the display panel and configures to emit incident light on the side of the display panel; anda light guided structure disposed between the side of the display panel and the light source unit,wherein the light guided structure has a grid-like structure.2. The display device according to claim 1 , whereinThe light source unit includes a plurality of colored light source groups.3. The display device according to claim 2 , whereinthe plurality of colored light source groups have a red light source, a blue light source, and a green light source as one group.4. The display device according to claim 3 , whereineach of the colored light source groups is independently driven in a time-division manner.5. The display device according to claim 4 , whereinthe light guided structure is located with a gap from the light source unit. The present application is a continuation of U.S. application Ser. No. 16/783,379, filed on Feb. 6, 2020, which is a continuation of U.S. application Ser. No. 16/ ...

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Номер записи: 61
20-02-2020 дата публикации

POLYMER-DISPERSED LIQUID CRYSTAL COMPOSITION WITH IMPROVED HEAT RESISTANCE CHARACTERISTICS AND PDLC TYPE LIGHT CONTROL BODY MANUFACTURED THEREFROM

Номер: US20200056095A1
Автор: JUN Ji Soo
Принадлежит:

A polymer-dispersed liquid crystal composition and a PDLC type light control body using the composition is provided. The polymer-dispersed liquid crystal composition contains a silane-based monomer including at least one acryloyl group, a thiol-based monomer having at least one thiol group, an acryl-based monomer, a liquid crystal mixture, and a light initiator. 1. A polymer-dispersed liquid crystal composition comprising:a silane-based monomer including at least one acryloyl group;a thiol-based monomer including at least one thiol group; a liquid crystal mixture; and', 'a photoinitiator., 'an acrylic monomer;'}5. The polymer-dispersed liquid crystal composition of claim 1 , wherein the thiol-based monomer comprises alkyl 3-mercaptopropionate claim 1 , trimethylolpropanetris(3-mercaptopropionate) claim 1 , or any combination thereof.6. The polymer-dispersed liquid crystal composition of claim 1 , wherein an amount of the thiol-based monomer is in the range of 10 parts by weight to 40 parts by weight based on 100 parts by weight of the polymer-dispersed liquid crystal composition.7. The polymer-dispersed liquid crystal composition of claim 1 , wherein the acrylic monomer comprises a monofunctional acrylic monomer and a multifunctional acrylic monomer.8. The polymer-dispersed liquid crystal composition of claim 1 , wherein an amount of the acrylic monomer is in the range of 10 parts by weight to 50 parts by weight based on 100 parts by weight of the polymer-dispersed liquid crystal composition.9. The polymer-dispersed liquid crystal composition of claim 1 , wherein the liquid crystal mixture comprises a nematic liquid crystal compound.10. A polymer-dispersed liquid crystal (PDLC)-type light control body comprising:a first electrode;a second electrode; anda polymer-dispersed liquid crystal layer disposed between the first electrode and the second electrode,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the polymer-dispersed liquid crystal layer is formed of ...

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Номер записи: 62
02-03-2017 дата публикации

OPTICAL COMPOSITE LAYER STRUCTURE

Номер: US20170059913A1
Автор: CHANG Yu-Yang, DING Ding-Kuo, KU FU-TIEN, LIU Shiou-Ming, YU Te-Liang
Принадлежит:

The invention provides an optical composite layer structure. The optical composite layer structure comprises a polymer dispersed liquid crystal (PDLC) composite layer, a first optical adhesive layer and a touch sensitive composite layer, wherein the touch sensitive composite layer is attached to the PDLC composite layer by the first optical adhesive layer. The optical composite layer structure may be attached with a fixed light transmission substrate at a side surface or two side surfaces thereof. Each the PDLC composite layer and the touch sensitive composite layer may be connected electrically with external control units by soft cables. A touch sensitive operation of the touch sensitive composite layer is used to provide a signal instruction to the control unit. Accordingly, the corresponding PDLC circuit may drive the corresponding regions of the PDLC composite layer to conduct the change of light transmission of local region. 1. An optical composite layer structure , comprising:a polymer dispersed liquid crystal composite (PDLC) layer, comprising:an upper transparent substrate, having an upper curing layer on a side surface thereof;an upper transparent conductive layer, provided on a side surface of the upper curing layer;a lower transparent substrate, having a lower curing layer on a side surface of thereof;a lower transparent conductive layer, provided on a side surface of the lower curing layer; anda polymer dispersed liquid crystal layer, provided between the upper transparent conductive layer and the lower transparent conductive layer;a first optical adhesive layer, provided on another side surface of the upper transparent substrate;a touch sensitive composite layer, provided on a side surface of the first optical adhesive layer, and the touch sensitive composite layer at least including:a first touch sensitive composite layer, comprising:a first transparent substrate, having a first curing layer on a side surface of thereof; anda first transparent ...

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Номер записи: 63
04-03-2021 дата публикации

LIQUID CRYSTAL ELEMENT

Номер: US20210063785A1
Автор: Hwang Chi-Sun, KIM Gi Heon, Lee Won Jae
Принадлежит: Electronics and Telecommunications Research Institute

Provided is a liquid crystal element. The liquid crystal element includes a first substrate, a first electrode provided on the first substrate, a liquid crystal layer provided on the first electrode and including a liquid crystal portion and a hydrophobic portion, and a second electrode on the liquid crystal layer, wherein the hydrophobic portion is phase-separated from the liquid crystal portion, wherein the liquid crystal portion includes polymer materials, a first dye, and liquid crystal molecules dispersed in the polymer materials, wherein the hydrophobic portion is spaced apart from the first electrode, wherein the hydrophobic portion includes hydrophobic materials and a second dye, wherein the first dye is dissolved in the polymer materials, wherein the second dye is dissolved in the hydrophobic portion, wherein the polymer materials include photo-curable polymer materials. 1. A liquid crystal element comprising:a first substrate;a first electrode provided on the first substrate;a liquid crystal layer provided on the first electrode and including a liquid crystal portion and a hydrophobic portion; anda second electrode on the liquid crystal layer,wherein the hydrophobic portion is phase-separated from the liquid crystal portion,wherein the liquid crystal portion comprises polymer materials, a first dye, and liquid crystal molecules dispersed in the polymer materials,wherein the hydrophobic portion is spaced apart from the first electrode,wherein the hydrophobic portion includes hydrophobic materials and a second dye,wherein the first dye is dissolved in the polymer materials,wherein the second dye is dissolved in the hydrophobic portion,wherein the polymer materials include photo-curable polymer materials.2. The liquid crystal element of claim 1 , wherein the photo-curable polymer material is cured by ultraviolet light.3. The liquid crystal element of claim 2 , wherein the ultraviolet light has a wavelength of 250 nm or more and 400 nm or less.4. The liquid ...

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Номер записи: 64
04-03-2021 дата публикации

DISPLAY APPARATUS

Номер: US20210063787A1
Автор: Nagatani Shinpei
Принадлежит:

A display apparatus includes a display, a plate-like body, and a gap portion. The display is configured to display an image and having a front surface. The plate-like body is provided along the front surface of the display and configured to transmit image light emitted from the front surface of the display. The gap portion is formed between the front surface of the display and the plate-like body and configured to switch between a state filled with a fluid and a state where the fluid is discharged. 1. A display apparatus , comprising:a display configured to display an image and having a front surface;a plate-like body provided along the front surface of the display and configured to transmit image light emitted from the front surface of the display; anda gap portion formed between the front surface of the display and the plate-like body and configured to switch between a state filled with a fluid and a state where the fluid is discharged.2. The display apparatus according to claim 1 , whereinthe fluid is a first fluid, andin a state where the first fluid is discharged from the gap portion, the gap portion is filled with a second fluid having a smaller refractive index than a refractive index of the first fluid.3. The display apparatus according to claim 2 , whereinthe first fluid is liquid, andthe second fluid is gas.4. The display apparatus according to claim 2 , whereina difference in refractive index between the plate-like body and the first fluid is smaller than a difference in refractive index between the plate-like body and the second fluid.5. The display apparatus according to claim 3 , whereinthe second fluid is air.6. The display apparatus according to claim 1 , whereinthe plate-like body has a back surface facing the front surface of the display and includes irregularities on the back surface.7. The display apparatus according to claim 6 , whereinthe irregularities each have a hemispherical shape.8. The display apparatus according to claim 1 , whereinthe ...

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Номер записи: 65
04-03-2021 дата публикации

LIQUID CRYSTAL DIMMING FILM

Номер: US20210063796A1
Автор: Chin Chia-Chien
Принадлежит:

A liquid crystal dimming film includes two substrates, two conductive layers, two free radical resisting layers and a liquid crystal layer. After the two conductive layers are electrically conducted, the electric field generated by the conductive layer can change the liquid crystal light transmission state of the liquid crystal layer. In addition, the free radical resisting layers are coated and photo-cured on both surfaces of the liquid crystal layer respectively. When the two liquid crystal layers are situated in a lighting environment, the free radical resisting layer can capture the free radicals produced by the liquid crystal layer to prevent the free radicals from affecting the conductive layer, thereby maintaining good photoelectric properties of the conductive layer. 1. A liquid crystal dimming film , comprising:a liquid crystal layer;two flexible substrates;two conductive layers, coated on one side of the two substrates respectively, and formed on the and the two substrates after a curing process, and each conductive layer being made by mixing poly 3,4-ethylenedioxythiophene, nano silicon and a graphite structure, wherein the poly 3,4-ethylenedioxythiophene occupies 30%˜70% of the conductive material of the conductive layer, the nano silicon occupies 15%˜35% of the conductive material of the conductive layer, and the graphite structure occupies 15%˜35% of the conductive material of the conductive layer; andtwo free radical resisting layers, made of a mixture containing a transparent resin and a hindered amine light stabilizer, and the two free radical resisting layers being coated between the liquid crystal layer and the two conductive layers, and after the photo-curing process of the liquid crystal layer, the two free radical resisting layers and the liquid crystal layer are fixed.2. The liquid crystal dimming film according to claim 1 , wherein the transparent substrate is one selected from the group consisting of polyethylene terephthalate (PET) claim 1 ...

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Номер записи: 66
12-03-2015 дата публикации

POLYMER DISPERSED LIQUID CRYSTAL TYPE LIGHT CONTROL BODY USING NICKEL-BASED ELECTRODE, AND MANUFACTURING METHOD THEREOF

Номер: US20150070630A1
Автор: Cho Jung Dae, Hong Jin Who, Kim Kwon Seok, Kim Yang Bae, Lee Sang Sub, Park Su Choel
Принадлежит: Q-SYS CO., LTD.

This invention relates to a polymer dispersed liquid crystal type light control body using a nickel deposited electrode or a nickel-chromium alloy deposited electrode instead of an existing indium tin oxide electrode, including: two electrode substrates having electrodes, and a light control layer formed between the two electrode substrates, wherein at least one of the two electrode substrates includes a nickel-based electrode. The light control body can exhibit superior near-infrared blocking effects in ON state, and can also manifest peel adhesion strength, pendulum hardness of a film, haze and contrast ratio adapted for commercial applications thereof, ultimately achieving energy saving performance due to heat ray blocking effects as well as cost reductions. 1. A method of manufacturing a polymer dispersed liquid crystal type light control body , comprising:preparing a liquid crystal dispersed composition for a polymer dispersed liquid crystal type light control body;applying the liquid crystal dispersed composition between two electrode substrates facing each other, thus forming a liquid crystal dispersed composition layer for a light control body, at least one of the electrode substrates being an electrode substrate including a nickel-based thin film layer; andcuring the liquid crystal dispersed composition layer formed between the two electrode substrates facing each other.2. The method of claim 1 , wherein curing is performed by photocuring the liquid crystal dispersed composition layer formed between the two electrode substrates facing each other using light having a wavelength of 330-410 nm.3. The method of claim 1 , wherein the two electrode substrates facing each other are an electrode substrate including a nickel-based thin film layer.4. The method of claim 1 , wherein the nickel-based thin film layer is a nickel thin film layer or a nickel-chromium alloy thin film layer.5. The method of claim 4 , wherein the nickel-chromium alloy thin film layer ...

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Номер записи: 67
17-03-2022 дата публикации

DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20220082879A1
Автор: Wang Xinxing, Wang Yingtao
Принадлежит:

A display panel includes a first guest-host liquid crystal cell with first guest-host liquid crystal molecules, and a second guest-host liquid crystal cell with second guest-host liquid crystal molecules. An alignment direction of the first guest-host liquid crystal molecules is perpendicular to an alignment direction of the second guest-host liquid crystal molecules. 1. A display panel , comprising: a first guest-host liquid crystal cell and a second guest-host liquid crystal cell that are laminated in sequence; whereinthe first guest-host liquid crystal cell comprises a first substrate, a reflective electrode, first guest-host liquid crystal molecules, a first drive electrode, and a second substrate that are laminated in sequence; andthe second guest-host liquid crystal cell comprises a third substrate, a second drive electrode, second guest-host liquid crystal molecules, a third drive electrode, and a fourth substrate that are laminated in sequence;wherein an alignment direction of the first guest-host liquid crystal molecules is perpendicular to an alignment direction of the second guest-host liquid crystal molecules, and a pitch between the first drive electrode and the second drive electrode is less than a pitch threshold.2. (canceled)3. The display panel of claim 1 , wherein a side of the reflective electrode distal from the first substrate is uneven.4. The display panel according to claim 1 , further comprising: a front light source disposed on a side of the first drive electrode distal from the first guest-host liquid crystal molecules claim 1 , the front light source being configured to emit target light.5. The display panel of claim 4 , wherein the front light source is disposed between the third drive electrode and the fourth substrate.6. The display panel according to claim 4 , wherein the front light source is disposed on a side of the fourth substrate distal from the third drive electrode.7. The display panel according to claim 6 , whereinin a powered ...

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Номер записи: 68
10-03-2016 дата публикации

WIDE BAND VARIABLE TRANSMITTANCE OPTICAL DEVICE

Номер: US20160070132A1
Автор: Baker Christine, Bodnar Volodymyr, Kosa Tamas, Miller Roy E., Smith Tim, Soto Pedro Coutino, Sukhomlinova Ludmila, Taheri Bahman
Принадлежит:

We describe a wide band variable transmission optical device having an electronically active cell comprising a guest-host mixture of a liquid crystal host and a dichroic guest dye material contained between a pair of plastic substrates. The liquid crystal host has an axis orientation that is alterable between a clear state orientation and a dark state orientation and the dichroic guest dye material includes one or more dichroic dyes. The optical device is characterized in that it exhibits a wide absorption band that is greater than 175 nm within a visible wavelength range of 400-700 nm, has a clear state transmission equal to or above 30% and a dark state transmission equal to or below 40%. 1. An optical device comprising:an electronically active cell comprising a guest-host mixture of a liquid crystal host and a guest dye material comprising one or more dichroic dyes, contained between a pair of plastic substrates,wherein the guest-host mixture has an axis orientation that is alterable between a clear state orientation and a dark state orientation perpendicular thereto;{'sub': 'NI', 'wherein said guest-host mixture has an order parameter, greater than 0.78 and a nematic-isotropic transition temperature Tgreater than 40° C.;'}wherein said pair of plastic substrates have an optical retardation with less than ±20% variation in uniformity for any given wavelength of incident light;wherein said optical device further comprises an electronically passive layer for further reducing the transmission of light through said optical device;wherein said optical device exhibits a wide absorption band having an aggregate full width at half maximum (A-FWHF) that is greater than 175 nm within a visible wavelength range of 400-700 nm; andwherein said optical device has a variable transmission with a dark state transmission equal to or below 40% and a transmission swing between the clear state orientation and the dark state orientation greater than or equal to 30%.2. The optical ...

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Номер записи: 69
27-02-2020 дата публикации

DISPLAY APPARATUS

Номер: US20200064664A1
Автор: CHO Jin Hyun, LEE Hyo Gun, ROH Nam Seok, RYU Won Geun, SOHN Sang Hyun
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Provided is a display apparatus including a light source configured to emit light; a light guide plate configured to diffuse and emit light emitted from the light source; and a local dimming portion configured to pass or scatter light emitted from the light guide plate. The local dimming portion may include an electro-optical material and a plurality of grains having refractive index that changes based on an electric field. 1. A display apparatus comprising:a light source configured to emit light;a light guide plate configured to diffuse and emit light emitted from the light source; anda local dimming portion configured to pass or scatter light emitted from the light guide plate,wherein the local dimming portion comprises an electro-optical material and a plurality of grains having refractive index that changes based on an electric field.2. The display apparatus according to claim 1 , wherein the local dimming portion comprises:an electro-optic layer, optical characteristics of the electro-optic layer changing based on the electric field; andan electrode configured to generate the electric field in the electro-optic layer.3. The display apparatus according to claim 1 , wherein the light guide plate is configured to:have a first surface and a second surface; anddiffuse light emitted from the light source and emit the light through the first surface, andwherein the local dimming portion is configured to pass or scatter light emitted through the second surface of the light guide plate.4. The display apparatus according to claim 1 , wherein the electro-optical material is configured to change the refractive index based on at least one of a presence of the electric field claim 1 , an intensity of the electric field claim 1 , and a direction of the electric field.5. The display apparatus according to claim 1 , wherein the electro-optical material is configured to have two different refractive indices based on at least one of a presence of the electric field claim 1 , an ...

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Номер записи: 70
19-03-2015 дата публикации

METHOD AND APPARATUS FOR OPHTHALMIC DEVICES INCLUDING SHAPED LIQUID CRYSTAL POLYMER NETWORKED REGIONS OF LIQUID CRYSTAL

Номер: US20150077661A1
Автор: De Sio Luciano, Flitsch Frederick A., Pandojirao-S Praveen, Pugh Randall Braxton, Riall James Daniel, Serak Svetlana, Tabirian Nelson V., Toner Adam, Uskova Olena
Принадлежит: JOHNSON & JOHNSON VISION CARE, INC.

The present invention relates to methods and apparatus for providing a variable optic insert into an ophthalmic lens. The variable optic insert may have surfaces within that have differing radii of curvature. A liquid crystal layer may be used to provide a variable optic function and in some embodiments, the liquid crystal layer may comprise polymer networked regions of interstitially located liquid crystal material. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics. 1. An ophthalmic lens device with a variable optic insert positioned within at least a portion of the optical zone of the ophthalmic lens device , wherein the variable optic insert comprises:a curved front surface and a curved back surface wherein the front surface and the back surface are configured to bound at least a portion of one chamber;an energy source embedded in the variable optic insert in at least a region comprising a non-optical zone; anda layer containing liquid crystal material positioned within the at least one chamber, wherein the layer includes polymer networked regions of interstitially located liquid crystal material.2. The ophthalmic lens device of claim 1 , wherein the polymer network comprises chemically attached liquid crystal molecules.3. The ophthalmic lens device of wherein within the layer comprised of polymer networked regions of liquid crystal material claim 2 , the region comprising the liquid crystal in interstitial network locations is a subset of the layer between the curved front surface and the curved back surface and has a shaped profile capable of causing an optical effect supplementary to the effect of the curved surfaces.4. The ophthalmic lens device of wherein the lens is a Contact lens.5. The ...

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Номер записи: 71
19-03-2015 дата публикации

METHOD AND APPARATUS FOR OPHTHALMIC DEVICES COMPRISING DIELECTRICS AND LIQUID CRYSTAL POLYMER NETWORKS

Номер: US20150077662A1
Автор: De Sio Luciano, Flitsch Frederick A., Pandojirao-S Praveen, Pugh Randall Braxton, Riall James Daniel, Serak Svetlana, Tabirian Nelson V., Toner Adam, Uskova Olena
Принадлежит: JOHNSON & JOHNSON VISION CARE, INC.

The present invention relates to methods and apparatus for providing a variable optic insert into an ophthalmic lens. The variable optic insert may have surfaces within that have differing radii of curvature. A liquid crystal layer may be used to provide a variable optic function and in some embodiments, the liquid crystal layer may comprise polymer networked regions of interstitially located liquid crystal material. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics. 1. An ophthalmic lens device with a variable optic insert positioned within at least a portion of an optical zone of the ophthalmic lens device , wherein the variable optic insert comprises:a curved front surface and a curved back surface, wherein the front surface and the back surface are configured to bound at least a portion of one chamber;a dielectric layer proximate to at least one of the curved front surface and the curved back surface, wherein the dielectric layer varies in thickness at least within the portion within the optical zone;an energy source embedded in the variable optic insert in at least a region comprising a non-optical zone; anda layer containing liquid crystal material positioned within the at least one chamber, wherein the layer includes polymer networked regions of interstitially located liquid crystal material.2. The ophthalmic lens device of claim 1 , wherein the polymer network comprises chemically attached liquid crystal molecules.3. The ophthalmic lens device of claim 2 , wherein within the layer comprised of polymer networked regions of liquid crystal material claim 2 , the region comprising the liquid crystal in interstitial network locations is a subset of the layer between the curved front surface and the ...

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Номер записи: 72
16-03-2017 дата публикации

VEHICLE SUNROOF WITH SWITCHABLE GLAZING AND SIDE-FIRING LIGHT EMITTING DIODES AND/OR METHODS OF MAKING THE SAME

Номер: US20170072847A1
Автор: FREY Timothy J., Vandal Robert A.
Принадлежит:

Certain example embodiments relate to a vehicle window (e.g., sunroof). Side-firing LEDs are provided between first and second substantially parallel substrates and emit light towards central regions of the window. A liquid-crystal inclusive switchable film is provided between the first and second substrates. The liquid crystals are sized such that light received from the LEDs is redirected in a direction substantially normal to major surfaces of the first and second substrates. The switchable film is operable in at least first and second modes, with the window in the first mode having a visible transmission of less than 1%, and with the window in the second mode having a visible transmission of 7-15%. The switchable film and the LEDs are operable independently of one another in connection with the LEDs emitting light and the switchable film controlling visible transmission therethrough. 129-. (canceled)30. A method of making a window , the method comprising:positioning a plurality of side-firing light emitting diodes (LEDs) around a periphery of a first glass substrate, the LEDs being configured to emit light towards central regions of the window;providing a liquid-crystal inclusive switchable film, the liquid crystals of the liquid-crystal inclusive switchable film being sized such that light received from the LEDs is redirected in a direction substantially normal to major surfaces of the first and second substrates; andlaminating together the first substrate and a second glass substrate with the LEDs and the liquid-crystal inclusive switchable film therebetween such that the first and second substrates are substantially parallel to one another, wherein:the switchable film and the LEDs are operable independently of one another in connection with the LEDs emitting light and the switchable film controlling visible transmission therethrough, andthe switchable film is operable in at least first and second modes, the window in the first mode having a visible ...

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Номер записи: 73
24-03-2022 дата публикации

SYSTEMS AND METHODS FOR IMPLEMENTING A DISPLAY DEVICE WITH SIDE LIGHTING

Номер: US20220091447A1
Автор: KANG Yong-Gu, Oh Guentaek
Принадлежит: DELL PRODUCTS L.P.

A display device for displaying at least one of graphical information and alphanumeric data may include a housing, a display housed within the housing, a backlight housed within the housing and for generating visible light to illuminate the display, a light guide plate coupled between the display and the backlight within the housing and configured to guide the visible light generated by the backlight, a laminate exposed through the housing and covering a portion of the light guide plate, wherein the laminate has a variable optical transmittance based on a voltage applied to the laminate, and a controller housed within the housing and configured to control the voltage applied to the laminate in order to control the variable optical transmittance and modulate emission of light generated by the backlight transmitted through the laminate. 1. A display device for displaying at least one of graphical information and alphanumeric data , comprising:a housing;a display housed within the housing;a backlight housed within the housing and for generating visible light to illuminate the display;a light guide plate coupled between the display and the backlight within the housing and configured to guide the visible light generated by the backlight;a laminate, exposed to atmosphere through the housing and covering an edge portion of the light guide plate, to transmit a portion of the visible light at the edge portion of the light guide plate to provide side lighting, wherein the laminate has a variable optical transmittance based on a voltage applied to the laminate; anda controller housed within the housing and configured to control the voltage applied to the laminate in order to control the variable optical transmittance and modulate emission of light generated by the backlight transmitted through the laminate.2. The display device of claim 1 , wherein the display is a liquid crystal display.3. The display device of claim 1 , wherein the backlight is a light-emitted diode ...

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Номер записи: 74
24-03-2022 дата публикации

Privacy display control apparatus

Номер: US20220091455A1
Автор: Harrold Jonathan, Ramsey Robert A., Robinson Michael G., Woodgate Graham J.
Принадлежит:

A control system for a switchable privacy display apparatus comprises sensors arranged to determine device location, operating environment, document type, application type and further comprises a privacy policy for control of privacy images. High image visibility is provided for public mode operation while in privacy mode a high visual security level may be obtained by means of control of image luminance, contrast and white point in response to the privacy policy. 1. A display apparatus comprising:a display device arranged to display an image and capable of operating in at least a public mode and a privacy mode, wherein the visibility of the image to an off-axis viewer is reduced in the privacy mode compared to the public mode; anda control system arranged to control the display device, the control system being capable of selectively operating the display device in the public mode or the privacy mode,wherein the display apparatus is capable of executing application software and the control system is arranged to selectively operate the display device in the public mode or the privacy mode in response to the context of the application software being executed.2. The display apparatus according to claim 1 , wherein the display apparatus is arranged to connect to a network and the control system is arranged to selectively operate the display device in the public mode or the privacy mode in response to the nature of the network.3. The display apparatus according to claim 1 , wherein the display apparatus is arranged to receive the identity of the user and the control system is arranged to selectively operate the display device in the public mode or the privacy mode in response to the received identity of the user.4. The display apparatus according to claim 1 , wherein the display apparatus comprises a location system arranged to detect the location of the display apparatus and the control system is arranged to selectively operate the display device in the public mode or ...

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Номер записи: 75
24-03-2022 дата публикации

DISPLAY DEVICE

Номер: US20220091459A1
Автор: Okuyama Kentaro
Принадлежит:

According to one embodiment, a display device includes a display panel including a display area and a non-display, a frame that surrounds a peripheral portion of the display panel and exposes a part of the non-display area and the display area, and a light emitting element overlapping the frame. The display panel includes a first transparent substrate, a second transparent substrate including a side surface facing the light emitting element, and a liquid crystal layer provided between the first transparent substrate and the second transparent substrate and containing a polymer and a liquid crystal molecule. The part of the non-display area is located between the frame and the display area in planar view. 1. A display device comprising:a display panel including a display area and a non-display area that surrounds the display area and has optical transparency;a frame that surrounds a peripheral portion of the display panel and exposes a part of the non-display area and the display area; anda light emitting element overlapping the frame, whereinthe display panel comprises:a first transparent substrate;a second transparent substrate comprising a side surface facing the light emitting element; anda liquid crystal layer provided between the first transparent substrate and the second transparent substrate and containing a polymer and a liquid crystal molecule, andthe part of the non-display area is located between the frame and the display area in planar view.2. The display device according to claim 1 , whereinthe display panel comprises:a wiring line group provided in a wiring line region of the non-display area; anda dummy electrode provided in a non-wiring line region adjacent to the wiring line region of the non-display area, anda transmittance of the wiring line region is equal to a transmittance of the non-wiring line region.3. The display device according to claim 1 , comprising:a first cover member located on a side of the first transparent substrate opposite to ...

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Номер записи: 76
16-03-2017 дата публикации

OPTICAL COMPOSITE LAYER STRUCTURE WITH A BUILT-IN TOUCH SENSITIVE POLYMER DISPERSED LIQUID CRYSTAL STRUCTURE

Номер: US20170075153A1
Автор: CHAN Te-Fong, CHANG Yu-Yang, KU FU-TIEN, LIU Shiou-Ming, YU Te-Liang
Принадлежит:

The invention provides an optical composite layer structure with a built-in touch sensitive polymer dispersed liquid crystal (PDLC) structure. The optical composite layer structure comprises an upper transparent substrate, a lower transparent substrate, an upper transparent conductive layer, a lower transparent conductive layer and a PDLC layer. A PDLC circuit and a touch sensitive circuit are provided on the upper and lower transparent conductive layers. A cable region that is electrically connected to external soft circuit cables is provided at an end of the upper transparent conductive layer and the lower transparent conductive layer to electrically connect to an external control unit. With a touch sensitive operation of a touch sensitive circuit of the optical composite layer structure, a signal instruction is provided to the control unit. The corresponding PDLC circuit may drive the corresponding regions of PDLC layer to conduct the change of light transmission of local region. 1. An optical composite layer structure with a built-in touch sensitive polymer dispersed liquid crystal structure , electrically connected with an external control unit , comprising:an upper transparent substrate, having an upper curing layer on a side surface of the upper transparent substrate;an upper transparent conductive layer, provided on a side surface of the upper curing layer, and electrically connected with the external control unit;a lower transparent substrate, having a lower curing layer on a side surface of the lower transparent substrate;a lower transparent conductive layer, provided on a side surface of the lower curing layer to correspond with the upper transparent conductive layer, and electrically connected with the external control unit; anda polymer dispersed liquid crystal (PDLC) layer, provided between the upper transparent conductive layer and the lower transparent conductive layer,wherein the upper transparent conductive layer comprises an upper circuit region, ...

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Номер записи: 77
05-03-2020 дата публикации

LIGHT GUIDING STRUCTURE AND MANUFACTURING METHOD THEREOF, LIGHT SOURCE ASSEMBLY AND DISPLAY DEVICE

Номер: US20200073043A1
Автор: Gao Liang, Gao Lu, GENG Xiaolin, JIE Jingbin, Tang Hai, ZHANG BING
Принадлежит:

A light guiding structure, a manufacturing method thereof, a light source assembly and a display device are provided. The light guiding structure includes a first light guiding layer including a light emitting surface and a first surface, and a second light guiding layer including a second surface. The light emitting surface includes a first inclined surface having a first angle with respect to the first surface. A second inclined surface is on a side of the second surface away from the first light guiding layer and has a second angle with respect to the second surface. Refractive indexes of the first and second light guiding layers are respectively nand n, n>n; a direction of light, which enters the second light guiding layer after being reflected by the first inclined surface, and is incident to and reflected by the second inclined surface, is substantially perpendicular to the first surface. 1. A light guiding structure , comprising:a first light guiding layer comprising a light emitting surface, a flat first surface opposite to the light emitting surface, and a light incident surface intersecting with the light emitting surface and the first surface, the light emitting surface comprising a first inclined surface, the first inclined surface having a first angle with respect to the first surface; anda second light guiding layer comprising a second surface, the second surface being parallel to and attaching to the first surface,wherein the light guiding structure comprises a second inclined surface disposed on a side of the second surface facing away from the first light guiding layer, the second inclined surface has a second angle with respect to the second surface;a refractive index of a material of the first light guiding layer is n1, a refractive index of a material of the second light guiding layer is n2, and n1>n2;the first inclined surface and the second inclined surface are configured to allow a direction of light, which enters the second light guiding ...

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Номер записи: 78
18-03-2021 дата публикации

DISPLAY DEVICE WITH SWITCHABLE DIFFUSIVE DISPLAY AND SEE-THROUGH LENS ASSEMBLY

Номер: US20210080763A1
Автор: Gao Weichuan, Geng Ying, Moheghi Alireza, Sulai Yusufu Njoni Bamaxam, Wheelwright Brian, YAROSHCHUK Oleg
Принадлежит:

A display device includes a display having optically anisotropic molecules disposed between a front surface and a back surface. The display is configurable to either receive image light and diffuse the image light to output diffused image light from the front surface, or to transmit ambient light from the back surface to the front surface. The display device also includes an optical assembly that has a substrate, a reflector, and a beam splitter. The optical assembly is configurable to transmit a portion of the diffused image light at a first optical power via an optical path including reflections at the reflector and at the beam splitter and to transmit a portion of the ambient light output from the front surface of the display at a second optical power without reflection at the reflector. The second optical power is less than the first optical power. 1. A display device comprising: a front surface;', 'a back surface opposite to the front surface; and', receive image light at the front surface and diffuse the image light to output diffused image light from the front surface; or', 'receive ambient light at the back surface and output the ambient light from the front surface; and, 'first optically anisotropic molecules disposed between the front surface and the back surface, wherein the display is configurable to either], 'a display including an optical assembly substrate having a substantially uniform thickness;', 'a reflector coupled to the optical assembly substrate; and', transmit a portion of the diffused image light at a first optical power via an optical path including reflections at the reflector and at the beam splitter; and', 'transmit a portion of the ambient light output from the front surface of the display at a second optical power without reflection at the reflector, the second optical power being less than the first optical power., 'a beam splitter coupled to the optical assembly substrate, wherein the optical assembly is configurable to], 'an optical ...

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Номер записи: 79
14-03-2019 дата публикации

DISPLAY DEVICE

Номер: US20190079324A1
Автор: NUMATA Yudai, Okuyama Kentaro
Принадлежит: Japan Display Inc.

According to one embodiment, a display device includes a first substrate, a second substrate including a first end portion and a second end portion located at a position different from the first end portion, a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate, a light source device located above the first substrate and disposed along the first end portion, and a light-shielding member disposed on at least a part of the second end portion. 1. A display device , comprising:a first substrate;a second substrate including a first end portion and a second end portion located at a position different from the first end portion;a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate;a light source device located above the first substrate and disposed along the first end portion; anda light-shielding member disposed on at least a part of the second end portion.2. The display device according to claim 1 , whereinthe first substrate includes a third end portion located on the second end portion side, andthe light-shielding member is disposed on at least a part of the third end portion.3. The display device according to claim 2 , further comprising:a third substrate,whereinthe second substrate is located between the first substrate and the third substrate,the third substrate includes a fourth end portion located on the first end portion side and a fifth end portion located on the second end portion side,the light source device is disposed along the fourth end portion, andthe light-shielding member is disposed on at least a part of the fifth end portion.4. A display device claim 2 , comprising:a first substrate;a second substrate including a first end portion and a second end portion located at a position different from the first end portion;a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate;a light source device located above the ...

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Номер записи: 80
14-03-2019 дата публикации

LIQUID CRYSTAL WINDOW AND OPTICAL ELEMENT COMPRISING IT

Номер: US20190079327A1
Автор: JEON Byoung Kun, Kim Jung Woon, Park Moon Soo, Ryu Su Young
Принадлежит: LG CHEM, LTD.

The present invention relates to a liquid crystal window, a method of manufacturing the same, an optical element comprising the liquid crystal window, and a use thereof. The liquid crystal window of the present invention and its manufacturing method have excellent fixing property of a spacer and thus excellent cell gap maintaining characteristics, and can effectively prevent thermal damage of a base layer and be economical in manufacturing processes. 1. A liquid crystal window for an optical element comprisinga liquid crystal layer containing a liquid crystal compound;alignment films which are positioned on both sides of said liquid crystal layer and induce orientation of said liquid crystal compound; andspacers formed so as to be capable of maintaining gaps of layers existing in the upper and lower portions of said liquid crystal layer, and embedded in and fixed to any one of the alignment films positioned on both sides of said liquid crystal layer.2. The liquid crystal window for an optical element according to claim 1 , whereinthe liquid crystal compound is a smectic, nematic or cholesteric liquid crystal compound, the liquid crystal layer further comprises an anisotropic dye having a dichroic ratio in a range of 1 to 30, and the liquid crystal layer has a thickness in a range of 5 to 30 μm.3. The liquid crystal window for an optical element according to claim 1 , further comprising a base layer positioned in one side or both side directions of the liquid crystal layer; and an electrode layer formed on the base layer.4. The liquid crystal window for an optical element according to claim 1 , whereinthe alignment film is a coating layer of a composition comprising an orientable compound and spacers, and the spacer is contained in the composition in a range of 0.1 to 5% by weight.5. The liquid crystal window for an optical element according to claim 1 , whereinthe spacer is a ball type spacer and the spacer has a diameter in a range of 1 to 100 μm.6. The liquid ...

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Номер записи: 81
14-03-2019 дата публикации

ELECTRONIC DISPLAY WITH MULTIPLE POLARIZER LAYERS

Номер: US20190079332A1
Автор: Hayden Brian John, Sharif Qais, Weindorf Paul Fredrick Luther
Принадлежит:

Disclosed herein are devices, methods and systems for implementing an electronic display with a dead-front appearance with a combination of polarizing devices. Specifically, the various permutations and combinations disclosed herein each include a linear polarizer, an active polarizer, and various combinations of linear and curved lenses, each being driven by light sourced from a backlight display. 1. An electronic display , comprising:a backlight display configured to turn on and off, the backlight display including a display linear polarizer;a linear polarizer disposed on a surface on which the backlight display projects light; andan active polarizer coupled to an electronic circuit, the active polarizer configured to turn-on when the backlight display is on, and turn off when the backlight display is off.2. The electronic display according to claim 1 , further comprising a transparent lens.3. The electronic display according to claim 1 , wherein the active polarizer is defined as a guest-host dichroic dye liquid crystal system.4. The electronic display according to claim 3 , wherein the electronic circuit is configured to apply voltage to the active polarizer to allow at least 70% transmission.5. The electronic display according to claim 2 , wherein the backlight display claim 2 , the linear polarizer claim 2 , the active polarizer claim 2 , and the lens are optically bonded with each other.6. The electronic display according to claim 2 , wherein the backlight display physically abuts the linear polarizer claim 2 , the linear polarizer physically abuts the active polarizer claim 2 , and the active polarizer physically abuts the lens.7. The electronic display according to claim 2 , wherein the backlight display physically abuts the linear polarizer claim 2 , the linear polarizer physically abuts the lens claim 2 , and the lens physically abuts the active polarizer.8. The electronic display according to claim 2 , further comprising an air gap between the linear ...

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Номер записи: 82
14-03-2019 дата публикации

ELECTRONIC DISPLAY WITH AN IMPROVED DEAD-FRONT PRESENTATION

Номер: US20190079333A1
Автор: Sharif Qais, Weindorf Paul Fredrick Luther
Принадлежит:

Disclosed herein is an electronic display with an improved dead-front presentation. The electronic display includes a backlit display configured to present content; and a dichroic guest host dye layer disposed on the backlit display. The display may incorporate a lens (in various positions), as well as a strategically disposed air gap. Certain implementations may employ curved lens technology. 1. An electronic display , comprising:a backlit display configured to present content; anda dichroic guest host dye layer disposed on the backlit display.2. The display according to claim 1 , further comprising a circuit electrically coupled to the backlit display and the dichroic guest host dye layer claim 1 , wherein in response to the backlit display being on claim 1 , the dichroic guest host dye layer is configured to orient guest host dye crystals included therein in an orthogonal orientation to the backlit display claim 1 , and in response to the backlit display being off claim 1 , the dichroic guest host dye layer is configured to orient guest host dye crystals included therein in a parallel orientation to the backlit display.3. The display according to claim 2 , further comprising a transparent lens.4. The display according to claim 3 , wherein the dichroic guest host dye layer is in physical abutment with the backlit display claim 3 , and the transparent lens is in physical abutment with the dichroic guest host dye layer.5. The display according to claim 3 , wherein the dichroic guest host dye layer is in physical abutment with the transparent lens claim 3 , and the transparent lens is in physical abutment with the backlit layer.6. The display according to claim 2 , further comprising an air gap in between the backlit display and the dichroic guest host dye layer.7. The display according to claim 3 , further comprising an air gap in between the backlit display and the dichroic guest host dye layer.8. The display according to claim 1 , further comprising at least one ...

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Номер записи: 83
23-03-2017 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20170082878A1
Автор: KIM Gee Bum, Kim Hoon, SHIN Ki Chul
Принадлежит:

A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal capsule layer disposed between the first substrate and the second substrate, a first field-generating electrode disposed on a first surface of the first substrate facing the second substrate, a second field-generating electrode disposed on a first surface of the second substrate facing the first substrate, and a first insulating layer disposed between the first field-generating electrode and the liquid crystal capsule layer or between the second field-generating electrode and the liquid crystal capsule layer, wherein the liquid crystal capsule layer includes a conductive buffer layer and a plurality of liquid crystal capsules, which are distributed in the conductive buffer layer. 1. A liquid crystal display device , comprising:a first substrate;a second substrate facing the first substrate;a liquid crystal capsule layer disposed between the first substrate and the second substrate;a first field-generating electrode disposed on a first surface of the first substrate facing the second substrate;a second field-generating electrode disposed on a first surface of the second substrate facing the first substrate; anda first insulating layer disposed between the first field-generating electrode and the liquid crystal capsule layer or between the second field-generating electrode and the liquid crystal capsule layer,wherein the liquid crystal capsule layer includes a conductive buffer layer and a plurality of liquid crystal capsules, which are distributed in the conductive buffer layer.2. The liquid crystal display device of claim 1 , wherein the conductive buffer layer includes an electrolyte solution.3. The liquid crystal display device of claim 1 , wherein the conductive buffer layer includes a conductive polymer.4. The liquid crystal display device of claim 1 , wherein each of the plurality of liquid crystal capsules includes liquid crystal ...

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Номер записи: 84
23-03-2017 дата публикации

MIRROR DISPLAY AND ELECTRONIC DEVICE

Номер: US20170082895A1
Автор: HAKOI Hiroyuki, Hasegawa Masahiro, Minoura Kiyoshi, MIZUSHIMA Shigeaki, Sakai Akira
Принадлежит:

The present invention provides a mirror display that can match the peripheral environment having diffusely reflecting surfaces in the mirror mode, and an electronic device including the mirror display. The mirror display includes a half mirror plate that includes a reflective polarizer and a display device. The half mirror plate further includes a light-diffusing member that diffuses at least part of incident light. The mirror display includes, in the order from the back surface side, the display device, the reflective polarizer, and the light-diffusing member. 1. A mirror display comprising:a half mirror plate that includes a reflective polarizer; anda display device,the half mirror plate further including a light-diffusing member that diffuses at least part of incident light,the mirror display including, in the order from the back surface side, the display device, the reflective polarizer, and the light-diffusing member.2. The mirror display according to claim 1 ,wherein the display device includes a polarizer, andthe transmission axis of the polarizer and the transmission axis of the reflective polarizer are substantially parallel or perpendicular to each other.3. The mirror display according to or claim 1 ,wherein the light-diffusing member includes at least one light-diffusing layer with a haze not affected by polarization state of incident light.4. The mirror display according to claim 3 ,wherein the at least one light-diffusing layer has a haze of 20% or higher.5. The mirror display according to or claim 3 ,wherein the light-diffusing member includes a polarized-light-diffusing layer with a haze affected by polarization state of incident light, andthe transmission axis of the reflective polarizer and the transmission axis of the polarized-light-diffusing layer are substantially parallel to each other.6. The mirror display according to claim 5 ,wherein the half mirror plate further includes a switching region, andthe switching region is disposed closer to the ...

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Номер записи: 85
31-03-2022 дата публикации

LIGHT-ADJUSTING GLASS AND GLASS MODULE

Номер: US20220100033A1
Автор: WANG Jian, Wang Jiaxing, WU Xiaojuan, Yuan Hongliang, ZHAO Zhiqiang
Принадлежит:

The present disclosure provides a light-adjusting glass and a glass module, which belongs to the field of display glass technology. The light-adjusting glass of the present disclosure includes a basic light-adjusting structure and a reflective polarizer; and the basic light-adjusting structure includes a first substrate, a second substrate and a first liquid crystal layer, wherein the first substrate and the second substrate are opposite to each other, and the first liquid crystal layer is between the first substrate and the second substrate; the first liquid crystal layer is configured to rotate under an electric field between the first substrate and the second substrate so as to control transmittance of light; the reflective polarizer is on a side of the first substrate distal to the first liquid crystal layer. 1. A light-adjusting glass , comprising a basic light-adjusting structure and a reflective polarizer;wherein the basic light-adjusting structure comprises a first substrate, a second substrate and a first liquid crystal layer, wherein the first substrate and the second substrate are opposite to each other, and the first liquid crystal layer is between the first substrate and the second substrate; the first liquid crystal layer is configured to rotate under an electric field between the first substrate and the second substrate so as to control transmittance of light; andthe reflective polarizer is on a side of the first substrate distal to the first liquid crystal layer.2. The light-adjusting glass of claim 1 , wherein the first liquid crystal layer comprises: base liquid crystal molecules and dichroic dye molecules.3. The light-adjusting glass of claim 1 , wherein the first substrate comprises a first base claim 1 , a first electrode on a side of the first base proximal to the first liquid crystal layer; the second substrate comprises a second base and a second electrode on a side of the second base proximal to the first liquid crystal layer; whereinthe ...

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Номер записи: 86
31-03-2022 дата публикации

DISPLAY DEVICE

Номер: US20220101810A1
Автор: Lin Ming Chuan, Lin Su Ming, Tseng Chun Hui
Принадлежит:

A display device includes a stacked structure and an outer frame fixedly receiving the stacked structure therein. The stacked structure includes an intelligence light adjustment layer, a display module, and a light-transmitting reflective layer interposed between the display module and the intelligence light adjustment layer. The intelligence light adjustment layer is configured to present one of a first state or a second state, which are different from each other, based on whether electrical power is applied to the intelligence light adjustment layer. The display module projects display images through the intelligence light adjustment layer in the first state. When the intelligence light adjustment layer is in the second state, the color of the outer frame is the same as the color of the intelligence light adjustment layer. 1. A display device , comprising: an intelligence light adjustment layer for presenting one of a first state or a second state, which are different from each other, based on whether electrical power is applied to the intelligence light adjustment layer;', 'a display module for projecting display images through the intelligence light adjustment layer when the intelligence light adjustment layer is in the first state; and', 'a light-transmitting reflective layer interposed between the display module and the intelligence light adjustment layer; and, 'a stacked structure, comprisingan outer frame fixedly receiving the stacked structure therein,wherein, when the intelligence light adjustment layer is in the second state, a color of the outer frame is the same as a color of the intelligence light adjustment layer.2. The display device of claim 1 , further comprising:a control unit electrically connected to the intelligence light adjustment layer and the display module,wherein, when the display module is not in operation, the control unit synchronously stops applying the electrical power to the intelligence light adjustment layer so that the ...

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Номер записи: 87
31-03-2016 дата публикации

POLARIZATION CONTROL UNIT AND 2D AND 3D IMAGE DISPLAY DEVICE HAVING THE SAME

Номер: US20160091726A1
Автор: YOON Ara
Принадлежит: LG DISPLAY CO., LTD.

A polarization control unit which prevents moire and a 2D and 3D image display device having the same are provided. The polarization control unit in one example includes first and second substrates positioned opposite to each other, a first electrode disposed on a surface of the first substrate, a second electrode disposed on a surface of the second substrate, and a polymer-dispersed liquid crystal layer disposed between the first and second electrodes. The polymer-dispersed liquid crystal layer can include partition walls supporting the first and second substrates, and liquid crystal molecules arranged in a space defined by the partition walls. The partition walls can be arranged to form a inclination angle with the vertical plane. 1. A polarization control unit comprising:a first substrate;a second substrate positioned opposite the first substrate;a first electrode disposed on a surface of the first substrate opposing the second substrate;a second electrode disposed on a surface of the second substrate opposing the first substrate; anda polymer-dispersed liquid crystal layer disposed between the first and second electrodes,wherein the polymer-dispersed liquid crystal layer includes a plurality of partition walls supporting the first and second substrates, and liquid crystal molecules arranged in a space defined by the partition walls, andwherein the partition walls are arranged to form a predetermined inclination angle with a vertical plane between the first and second substrates.2. The polarization control unit of claim 1 , wherein the partition walls comprise:first partition walls arranged to form the predetermined inclination angle with a vertical plane between the first and second substrates; andsecond partition walls arranged to cross the first partition walls.3. The polarization control unit of claim 1 , wherein the partition walls are arranged in parallel with each other in a same orientation.4. The polarization control unit of claim 1 , wherein the ...

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Номер записи: 88
31-03-2016 дата публикации

POLARIZING CONTROL FILM AND STEREOSCOPIC DISPLAY DEVICE USING THE SAME

Номер: US20160091727A1
Автор: KANG Hoon, LEE Young-Bok, YOON A-Ra
Принадлежит: LG DISPLAY CO., LTD.

A polarizing control film for two-dimensional (2D) display mode/three-dimensional (3D) display mode conversion in a stereoscopic display device, can include a film substrate, a plurality of first and second electrodes alternately arranged on the film substrate, and a liquid crystal layer disposed on the film substrate having the first and second electrodes, the liquid crystal layer being filled with nano liquid crystals exhibiting optical isotropy when no voltages are applied to the first and second electrodes and optical anisotropy when voltages are applied to the first and second electrodes. 1. A polarizing control film comprising:a film substrate;a plurality of first and second electrodes alternately arranged on the film substrate; anda liquid crystal layer disposed on the film substrate having the first and second electrodes, the liquid crystal layer being filled with nano liquid crystals exhibiting optical isotropy when no voltages are applied to the first and second electrodes and exhibiting optical anisotropy when voltages are applied to the first and second electrodes.2. The polarizing control film according to claim 1 , wherein the liquid crystal layer comprises a plurality of liquid crystal groups having the nano liquid crystals claim 1 , and the nano liquid crystals in each of the liquid crystal groups are differently arranged based on whether or not voltages are applied.3. The polarizing control film according to claim 2 , wherein a major axis of each of the liquid crystal groups has a diameter less than 550 nm.4. The polarizing control film according to claim 2 , wherein the liquid crystal groups are laminated to the film substrate and coupled to a binder to form the liquid crystal layer.5. The polarizing control film according to claim 4 , wherein the nano liquid crystals and the binder in the liquid crystal layer are in direct contact with the film substrate.6. The polarizing control film according to claim 1 , wherein each of the liquid crystal ...

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Номер записи: 89
21-03-2019 дата публикации

HIGHLY REFLECTIVE ELECTROSTATIC SHUTTER DISPLAY

Номер: US20190086731A1
Автор: Finch Joshua S., Koskulics Jeffrey P., Schlam Elliott
Принадлежит: NEW VISUAL MEDIA GROUP, L.L.C.

A reflective display tile can be used in connection with a static or video display. The tile includes a transparent substrate having a front surface, a rear surface, and a peripheral edge surrounding the front and rear surfaces, an electrostatic shutter array disposed at the front surface of said substrate, a reflective medium disposed at the rear surface of the substrate, and drive electronics disposed rearward of the reflective medium. The shutter array and drive electronics are configured so that the tile is tileable and can be abutted at any of its peripheral edges against identical tiles to form a display with substantially no perceived optical interface between adjacent tiles. Another embodiment includes an opaque substrate such as a circuit board. A further embodiment has a polymeric film coated on one side with a metal film and on another side with ink or blackening material. 12-. (canceled)3. The reflective display tile of claim 14 , wherein the drive electronics are multiplexed with conventional or thin film transistors.4. The reflective display tile of claim 14 , wherein the drive electronics are direct drive.56-. (canceled)7. The reflective display tile of claim 14 , wherein the shutters of the shutter array are arranged in a grid having rows and columns claim 14 , adjacent rows each separated by a first distance and adjacent columns each separated by a second distance claim 14 , the rows closest to the peripheral edge are each separated from the peripheral edge by half of the first distance claim 14 , and the columns closest to the peripheral edge are each separated from the peripheral edge by half of the second distance.8. The reflective display tile of claim 14 , wherein the drive electronics connect with the shutter array through vias in the substrate.913-. (canceled)14. A reflective display tile for use in connection with a static or video display comprising:a substrate having a front surface, a rear surface, and a peripheral edge surrounding the ...

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Номер записи: 90
26-06-2014 дата публикации

SWITCHABLE WINDOW HAVING LOW EMISSIVITY (LOW-E) COATING AS CONDUCTIVE LAYER AND/OR METHOD OF MAKING THE SAME

Номер: US20140176836A1
Автор: Brecht Greg, FREY Timothy J., PRONE Daniel F., SOL Jean-Marc, Vandal Robert A.
Принадлежит: Guardian Industries Corp.

A switchable window includes: first and second substrates (e.g., glass substrates); a liquid crystal inclusive layer (e.g., PDLC layer) disposed between at least the first and the second substrates; and a low-E coating provided between at least the liquid crystal inclusive layer and the first substrate. Voltage is applied to the liquid crystal inclusive layer via the low-E coating and a substantially transparent conductive coating which are on opposite sides of the liquid crystal inclusive layer. By adjusting voltage applied to at least part of the liquid crystal inclusive layer, the window is selectively switchable between at least first and second states with different visible light transmissions. 1. A switchable window comprising:a first glass substrate and a second glass substrate;a liquid crystal inclusive layer disposed between at least the first glass substrate and the second glass substrate;a low-E coating provided between at least the liquid crystal inclusive layer and the first glass substrate;wherein the low-E coating includes at least one infrared (IR) reflecting layer comprising silver that is located between at least first and second dielectric layers;a conductive coating provided between at least the liquid crystal inclusive layer and the second glass substrate, so that voltage is to be applied to the liquid crystal inclusive layer via the low-E coating and the conductive coating which are on opposite sides of the liquid crystal inclusive layer; andwherein, by adjusting voltage applied to at least part of the liquid crystal inclusive layer via the low-E coating and the conductive coating, the window is selectively switchable between at least first and second states, where the window has a higher visible light transmission in the first state than in the second state.2. The switchable window of claim 1 , wherein no conductive layer is provided between the low-E coating and the liquid crystal inclusive layer.3. The switchable window of claim 1 , wherein ...

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Номер записи: 91
16-04-2015 дата публикации

SCREEN AND IMAGE DISPLAY SYSTEM

Номер: US20150103058A1
Автор: YAMAUCHI Taisuke
Принадлежит:

A screen including a first liquid crystal layer area including a polymer dispersion liquid crystal material and capable of switching a state of the first liquid crystal layer area between a transmission state and a scatter state based on voltage application and a second liquid crystal layer area provided outside the first liquid crystal layer area, including a liquid crystal material and a dichromatic dye, and capable of switching a state of the second liquid crystal layer area between a transmission state and a colored state based on voltage application. 1. A screen comprising:a first liquid crystal layer area including a polymer dispersion liquid crystal material and capable of switching a state of the first liquid crystal layer area between a transmission state and a scatter state based on a voltage application; anda second liquid crystal layer area, including a liquid crystal material and a dichromatic dye, and capable of switching a state of the second liquid crystal layer area between a transmission state and a colored state based on a voltage application, whereinthe second liquid crystal layer area is disposed around the first liquid crystal layer area, such that the first liquid crystal layer area is framed by the second liquid crystal layer area.2. The screen according to claim 1 ,wherein the screen is capable of operating in a first state in which the first liquid crystal layer area operates in the scatter state and the second liquid crystal layer area operates in the colored state, and a second state in which the first and second liquid crystal layer areas both operate in the transmission state, andan image is displayed in the first liquid crystal layer area that operates in the first state.3. The screen according to claim 1 ,wherein the voltages are applied by common electrodes to the first and second liquid crystal layer areas.4. The screen according to claim 2 ,wherein the first state is produced when the voltages are applied, andthe second state is ...

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Номер записи: 92
12-05-2022 дата публикации

ANTI-REFLECTIVE SWITCHABLE PANEL AND METHODS FOR MAKING AND USING

Номер: US20220146869A1
Автор: Wang Jiansheng
Принадлежит:

A panel apparatus comprises a switchable film such as liquid crystal switchable film. The transparent electrode such as indium tin oxide (ITO) included in the apparatus is replaced with index matched indium tin oxide (IMITO). The solid/air interface included in the apparatus is replaced with an anti-reflective coating. 1. A switchable panel apparatus having reduced reflection comprising:a first layer comprising an optically active layer selected from the group consisting of: a liquid crystal microdroplet device (LCMD) material; a suspended particle device (SPD) material; an electrochromic material; and a thermochromic material, said optically active layer changeable in transmittance in response to a change of applied electrical voltage;a second layer, wherein said second layer is transparent;a third layer placed between said first layer and said second layer, wherein said third layer includes an index matched indium tin oxide (IMITO) transparent electrode; anda fourth layer, wherein said fourth layer is transparent and has at least one outer surface that is a solid/air interface.2. The switchable panel apparatus of claim 1 , wherein said switchable panel apparatus further comprises a fifth layer claim 1 , said fifth layer is transparent and is in contact with said second layer and said fourth layer claim 1 , said fifth layer selected from the group consisting of: polyvinyl butyral (PVB); ethylene vinyl acetate (EVA); thermoplastic polyurethane (TPU); and a polymer formed from a liquid resin.3. The switchable panel apparatus of claim 1 , wherein said outer surface is treated with an anti-reflective coating.4. The switchable panel apparatus of claim 1 , wherein said fourth layer is spaced apart from and coupled to said first layer by an air gap.5. The switchable panel apparatus of claim 4 , wherein said second layer further comprises a solid/air interface and said solid/air interface is treated with anti-reflective coating.6. A method for making or using a switchable ...

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Номер записи: 93
12-05-2022 дата публикации

ELECTRONIC SHUTTERS TO ENHANCE PRIVACY

Номер: US20220146870A1
Автор: CLARK ALEXANDER WAYNE, Hsieh Hsing-Hung, Villegas Ann Alejandro
Принадлежит: Hewlett-Packard Development Company, L.P.

An example of an apparatus is provided. The apparatus includes a display portion and a camera. In addition, the apparatus includes a thin film transistor substrate extending over the display portion and the camera. Furthermore, the apparatus includes an image generation layer disposed under the thin film transistor substrate within the display portion. Also, the apparatus includes a polymer dispersed liquid crystal disposed between the thin film transistor substrate and the camera. The polymer dispersed liquid crystal is to be switched between an opaque state and a clear state. The opaque state is to block the camera from receiving imaging light. The clear state allows light to pass through the polymer dispersed liquid crystal. 1. An apparatus comprising:a display portion;a camera;a thin film transistor substrate extending over the display portion and the camera;an image generation layer disposed under the thin film transistor substrate within the display portion; anda polymer dispersed liquid crystal disposed between the thin film transistor substrate and the camera, wherein the polymer dispersed liquid crystal is to switch between an opaque state and a clear state, wherein the opaque state is to block the camera from receiving imaging light, and wherein the clear state allows light to pass through the polymer dispersed liquid crystal.2. The apparatus of claim 1 , further comprising a first terminal in contact with a first side of the polymer dispersed liquid crystal and a second terminal in contact with a second side of the polymer dispersed liquid crystal.3. The apparatus of claim 2 , wherein the first terminal is disposed on the thin film transistor substrate.4. The apparatus of claim 3 , wherein a portion of the second terminal is disposed on the thin film transistor substrate.5. The apparatus of claim 4 , further comprising a shutter substrate disposed between the polymer dispersed liquid crystal and the camera claim 4 , where the shutter substrate is in ...

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Номер записи: 94
12-05-2022 дата публикации

DISPLAY DEVICE

Номер: US20220146887A1
Автор: KOBASHI Junji
Принадлежит:

A display device includes a display panel and a light source device. A display period of a frame image includes three subframe periods and an adjusting subframe period. The light source device emits light for reproducing a color corresponding to first chromaticity coordinates in a first subframe period, emits light for reproducing a color corresponding to second chromaticity coordinates in a second subframe period, emits light for reproducing a color corresponding to third chromaticity coordinates in a third subframe period, and emits light for reproducing a differential color in the adjusting subframe period. A chromaticity coordinate area with the first to third chromaticity coordinates as apexes includes chromaticity coordinates of pixel data obtained by excluding partial pixel data from pixel data included in frame image data. The differential color is a complementary color of a mixed color of three colors corresponding to the first to third chromaticity coordinates. 1. A display device comprising:a display panel including two substrates facing each other with a liquid crystal enclosed therebetween and two electrodes to which a potential difference controlling orientation of the liquid crystal is given, the display panel being provided with a plurality of pixels; anda light source device configured to emit light to the display panel, whereinthe light source device includes a first light source configured to emit light in a first color, a second light source configured to emit light in a second color, and a third light source configured to emit light in a third color,a display period of a frame image includes three subframe periods and an adjusting subframe period for adjusting a color reproduced in the three subframe periods,the three subframe periods includes a first subframe period, a second subframe period, and a third subframe period,the light source device is configured to emit light for reproducing a color corresponding to first chromaticity coordinates in ...

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Номер записи: 95
12-05-2022 дата публикации

LIQUID CRYSTAL OPTICAL ELEMENT

Номер: US20220146889A1
Автор: Igeta Koichi, KOBASHI Junji, OKA Shinichiro, TOMIOKA Yasushi
Принадлежит: Japan Display Inc.

According to one embodiment, a liquid crystal optical element includes a substrate having a first surface, a plurality of structures disposed on the first surface and arranged at a predetermined pitch, and a liquid crystal layer surrounding each of the structures and interposed between the structures adjacent to each other. The liquid crystal layer has a larger thickness than the structure. The liquid crystal layer has liquid crystal molecules arranged along the structure, and is cured in a state in which an alignment direction of the liquid crystal molecules is fixed. 1. A liquid crystal optical element comprising:a substrate having a first surface;a plurality of structures disposed on the first surface and arranged at a predetermined pitch; anda liquid crystal layer surrounding each of the structures and interposed between the structures adjacent to each other,wherein the liquid crystal layer has a larger thickness than the structure, andthe liquid crystal layer has liquid crystal molecules arranged along the structure, and is cured in a state in which an alignment direction of the liquid crystal molecules is fixed.2. The liquid crystal optical element according to claim 1 , wherein the structure is formed of a transparent organic material claim 1 , and comprises a bottom portion in contact with the first surface and a top portion opposite to the bottom portion claim 1 , andthe bottom portion has a larger width than the top portion.3. The liquid crystal optical element according to claim 2 , wherein the structure has a same refractive index as the substrate.4. The liquid crystal optical element according to claim 2 , wherein the thickness of the structure is larger than the width of the bottom portion.5. The liquid crystal optical element according to claim 2 , wherein a distance between the bottom portions of the structures adjacent to each other is smaller than the thickness of the liquid crystal layer.6. The liquid crystal optical element according to claim 2 , ...

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Номер записи: 96
16-04-2015 дата публикации

LIQUID CRYSTAL DISPLAY

Номер: US20150103300A1
Автор: INOUE Daisuke, KIM Mi Suk, KIM Si Heun, Kim Tae Ho, LEE Chang-Hun, OH Keun Chan, PARK So Youn
Принадлежит:

A liquid crystal display includes: a first insulation substrate; a gate line and a data line formed on the first insulation substrate; a first electrode and a second electrode formed on the gate line and the data line and overlapping each other via an insulating layer interposed therebetween; a second insulation substrate facing the first insulation substrate; and a chiral dopant inserted between the first insulation substrate and the second insulation substrate. A content of the chiral dopant may be within about 1%, and liquid crystal molecules of a liquid crystal layer may be twisted with a pitch of about 10 μm to about 100 μm by the chiral dopant. 1. A liquid crystal display , comprising:a first insulation substrate;a gate line and a data line disposed on the first insulation substrate;a first electrode and a second electrode disposed on the gate line;an insulating layer interposed between overlapping portions of the data line and the gate line;a second insulation substrate facing the first insulation substrate; anda liquid crystal layer disposed between the first insulation substrate and the second insulation substrate, the liquid crystal layer comprising liquid crystal molecules and a chiral dopant.2. The liquid crystal display of claim 1 , wherein a content of the chiral dopant is about 1% by weight claim 1 , based on the total weight of the liquid crystal layer.3. The liquid crystal display of claim 2 , wherein the liquid crystal molecules are twisted by the chiral dopant and have a pitch of 10 μm to 100 μm.4. The liquid crystal display of claim 3 , wherein:the first electrode has a planar shape and a flat surface;the second electrode comprises branch electrodes that overlap the first electrode and are substantially parallel to the gate line or the data line.5. The liquid crystal display of claim 3 , further comprising:a first alignment layer disposed on the first insulation substrate; anda second alignment layer disposed on the second insulation substrate, ...

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Номер записи: 97
01-04-2021 дата публикации

DISPLAY PANEL, DISPLAY DEVICE AND DISPLAY METHOD

Номер: US20210098542A1
Автор: LI Yanqiu, YU Juan
Принадлежит:

The present disclosure provides a display panel, a display device and a display method. The display panel includes a base substrate, and an organic electroluminescent device layer, a detection sensor and a color switchable structure which are successively located on the base substrate and are insulated from each other, where the organic electroluminescent device layer includes a plurality of sub-pixels, and the color switchable structure includes sub-units disposed in one-to-one correspondence with the sub-pixels; the sub-units are configured to transmit light emitted by the sub-pixels under the control of applied different signals, or to display light of colors corresponding to the applied signals; and the detection sensor is configured to detect display parameters of the sub-pixels or the sub-units. 1. A display panel , comprising:a base substrate, andan organic electroluminescent device layer, a detection sensor and a color switchable structure successively located on the base substrate and insulated from each other, whereinthe organic electroluminescent device layer comprises a plurality of sub-pixels;the color switchable structure comprises a plurality of sub-units disposed in one-to-one correspondence with the plurality of sub-pixels;the plurality of sub-units are configured to transmit light emitted by the plurality of sub-pixels under control of applied different signals, or to display light of colors corresponding to applied signals; andthe detection sensor is configured to detect display parameters of the plurality of sub-pixels or the plurality of sub-units.2. The display panel according to claim 1 , wherein the color switchable structure further comprises: a first electrode layer claim 1 , a first alignment layer claim 1 , a cholesteric liquid crystal layer claim 1 , a second alignment layer and a second electrode layer successively located on a side of the detection sensor away from the base substrate claim 1 ,wherein the second electrode layer ...

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Номер записи: 98
26-03-2020 дата публикации

Light Modulation Device

Номер: US20200096807A1
Автор: Gim Min Jun, Kim Jin Hong, KIM Nam Gyu, Kim Nam Hun, LEE Hyo Jin, Lee Hyun Jun, Lim Eun Jung, Mun In Ju, Oh Dong Hyun, You Jung Sun
Принадлежит: LG CHEM, LTD.

A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a vertical orientation state and a twisting orientation state upon application of a voltage, each of the first and second polymer film substrates has an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees. 1. A light modulation device comprising:a first polymer film substrate;a second polymer film substrate,an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer contains a liquid crystal host and a dichroic dye guest,wherein the active liquid crystal layer is capable of switching between a vertical orientation state and a twisting orientation state upon application of a voltage,each of the first and second polymer film substrates has an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm,a ratio (E1/E2) of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, andwherein an angle formed by the first direction of the first polymer film substrate and the first direction of the second polymer film substrate is in a range of 0 degrees to 10 degrees.2. The light modulation device according to claim 1 , wherein the twisting orientation state is a horizontal twisting orientation state.3. The light modulation device according to claim 1 , wherein each ...

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Номер записи: 99
23-04-2015 дата публикации

LIQUID CRYSTAL DISPLAY INCLUDING NANOCAPSULE LAYER

Номер: US20150109547A1
Автор: CHOI Min-Geun, HA Kyung-Su, HWANG Jung-Im, JEON Ji-Na, Kim Kyeong-Jin
Принадлежит:

Disclosed is a liquid crystal display device that may include a first substrate; a first electrode on the first substrate, the first electrode including a plurality of first inclined planes; a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; and a second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes, wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes. 1. A liquid crystal display device comprising:a first substrate;a first electrode on the first substrate, the first electrode including a plurality of first inclined planes;a nanocapsule liquid crystal layer on the first electrode, the nanocapsule liquid crystal layer including a plurality of nano-sized capsules dispersed in a buffer layer, each of the plurality of nano-sized capsules including nematic liquid crystal molecules having a negative dielectric constant anisotropy; anda second electrode on the nanocapsule liquid crystal layer, the second electrode including a plurality of second inclined planes facing the plurality of first inclined planes,wherein the nanocapsule liquid crystal layer is substantially, optically isotropic in a normal state, and is optically anisotropic when a voltage is applied to the first and second electrodes.2. The device of claim 1 , wherein a plurality of protrusion patterns with hills and valleys repeated are below each of the first electrode and the second electrode claim 1 , and are arranged in a line form.3. The device of claim 2 , wherein the plurality of protrusion ...

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Номер записи: 100