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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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Форма поиска

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 5543. Отображено 100.
02-02-2012 дата публикации

Liquid crystal display device and method for manufacturing the same

Номер: US20120026433A1
Автор: Joohong Lee, YoungNam LEE
Принадлежит: LG Display Co Ltd

Disclosed is a liquid crystal display (LCD) device that facilitates the display of 3D images. The LCD device comprises a liquid crystal panel an upper substrate for a color filter array, a lower substrate for a TFT array, and a liquid crystal layer between the lower and upper substrates; a guide panel placed on the liquid crystal panel; a bottom cover extended to a height of an upper surface of the liquid crystal panel, the bottom cover covering lateral sides of the liquid crystal panel; a tempered polarizing glass having a plurality of polarizing patterns to circularly polarize light emitted from the liquid crystal panel leftward or rightward, the tempered polarizing glass placed on the upper surfaces of the liquid crystal panel and the bottom cover; and an adhesive layer on the upper surfaces of the liquid crystal panel and the bottom cover.

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15-03-2012 дата публикации

Display operable in both reflective and transmissive modes

Номер: US20120062527A1

A display apparatus includes a first display panel with a plurality of first pixels, a second display panel facing the first display panel and having a plurality of second pixels, a light reflective polarizer, and a backlight unit. The light reflective polarizer is interposed between the first and second display panels to transmit light polarized in a first direction, and reflect light polarized in a second direction substantially perpendicular to the first direction. The backlight unit is arranged proximate to the second display panel to supply light to the first and second display panels. The first display panel displays an image by using reflected ambient light, and the second display panel displays an image by using light from the backlight unit.

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09-08-2012 дата публикации

Optical element, light source device, and projection-type display device

Номер: US20120200831A1
Автор: Shin Tominaga
Принадлежит: NEC Corp

An optical element is provided with: first polarization-separation layer ( 13 ) that is laminated on first surface ( 12 b ) of light guide body ( 12 ) and that, of the light incident from light guide body ( 12 ), transmits X-polarized light and reflects Y-polarized light that is orthogonal to the X-polarized light; polarization hologram layer ( 14 ) that is laminated on first polarization-separation layer ( 13 ) and that diffracts to a prescribed diffraction angle the X-polarized light that is incident within a prescribed range of angles of incidence and converts the X-polarized light to Y-polarized light; second polarization-separation layer ( 15 ) that is laminated on polarization hologram layer ( 14 ) and that, of the light incident from polarization hologram layer ( 14 ) transmits Y-polarized light and reflects X-polarized light; reflection layer (18) provided on second surface ( 12 c ) side of light guide body ( 12 ); and phase difference layer ( 17 ) that is provided between first surface ( 12 b ) of light guide body ( 12 ) and reflection layer ( 18 ) and that imparts a phase difference before and after transmission to mutually orthogonal polarization components of the incident light.

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16-08-2012 дата публикации

Display panel and display apparatus having the same

Номер: US20120206676A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A display panel and a display apparatus having the same are provided. The display panel includes a liquid crystal layer and comprises first and second substrates which are disposed opposite to each other; a color filter polarizing layer which formed on one surface between the first and second substrates, and which includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors; and a polarizing layer which includes a second metal linear grid formed on an opposite surface to the surface between the first and second substrates, wherein a metal material contained in the first metal linear grid is different from a metal material contained in the second metal linear grid. The provided display panel and display apparatus including the same, have decreased manufacturing costs and a simplified manufacturing process.

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13-09-2012 дата публикации

3d display device and alternate-frame sequencing manner 3d display system

Номер: US20120229719A1
Автор: Makoto Ishiguro
Принадлежит: Fujifilm Corp

Disclosed is a 3D display device comprising a first polarizing film disposed at an observer-side, and a protective member, having a λ/4-function, disposed on an observer-side surface of the first polarizing film, wherein the first polarizing film is disposed so that an absorption axis thereof is along a direction of 45° or 135° with respect to a horizontal direction of a visual surface, the protective member is disposed so that a slow axis thereof is along a direction of 0° or 90° with respect to the horizontal direction of the visual surface, and an absolute value of Rth(550) of the protective member satisfies the following relation (I): 25 nm≦| Rth (550)|≦160 nm.  (I)

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04-10-2012 дата публикации

Multi-layer stretched film

Номер: US20120249935A1
Принадлежит: Teijin Ltd

A multi-layer stretched film has 251 or more alternating layers which consist of first layers and second layers, wherein the first layers are made of a polyester which contains (i) 5 to 50 mol % of a naphthoic acid component as a dicarboxylic acid component and (ii) a diol having an alkylene group with 2 to 10 carbon atoms as a diol component; and the second layers are made of a thermoplastic resin having an average refractive index of 1.50 to 1.60 and differences in refractive index among a uniaxial stretching direction, a direction orthogonal to the uniaxial stretching direction and a film thickness direction of 0.05 or less before and after stretching, and the film has specific reflectance characteristics for a P polarization component and an S polarization component.

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22-11-2012 дата публикации

Polarization module and image display apparatus

Номер: US20120293867A1
Автор: Norihiro Matsuyama
Принадлежит: Sony Corp

A polarization module includes: a polarizer; a plurality of first quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer; and a plurality of second quarter-wave plates disposed over the polarizer such that their optical axes are tilted at 45 degrees with respect to the polarization axis of the polarizer in the direction opposite to the tilting direction of the optical axes of the first quarter-wave plates.

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06-12-2012 дата публикации

3d display panel and method of manufacturing phase difference plate

Номер: US20120307168A1
Автор: Yanbing WU, Youmei Dong
Принадлежит: BOE Technology Group Co Ltd

Embodiments of the disclosed technology provide a three dimensional (3D) display panel and a method of manufacturing a phase difference plate. The 3D display panel comprises: a display panel which comprises a first substrate and a second substrate facing each other, the first substrate comprising a first polarizer, the second substrate comprising a second polarizer; and a phase difference plate which is directly disposed on a surface of the first substrate on an opposite side of the second substrate.

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20-12-2012 дата публикации

Liquid Crystal Display Device and Projector

Номер: US20120320289A1
Принадлежит: Seiko Epson Corp

A liquid crystal display device includes: a liquid crystal panel having a liquid crystal device and a dust-proof plate disposed on at least one of a light entrance side and a light exit side of the liquid crystal device; and a first polarization filter disposed so as to be opposed to the liquid crystal panel across the dust-proof plate, wherein a direction of an absorption axis of the first polarization filter and a direction of an optical axis of the dust-proof plate are perpendicular to each other, and the dust-proof plate is made of a positive uniaxial crystalline material, and satisfies a following relational expression denoting a refractive index difference with respect to two directions perpendicular to a system optical axis as Δn, a thickness in a system optical axis direction as d, and a wavelength to be used as λ, and using an integer N: N≦Δnd/λ≦N +½.

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27-12-2012 дата публикации

Portable Device and Method of Manufacturing A Display Device

Номер: US20120327007A1
Автор: Eiji Oohira
Принадлежит: Individual

A portable device and method of manufacturing a display device includes a display panel having a glass substrate and a polarizer adhered to the glass substrate, a touch panel which is made of resin material and adhered to the polarizer of the display panel by a first adhesive material, and a front window which is made of glass and adhered to the touch panel by a second adhesive material. One of the first adhesive material and the second adhesive material is an adhesive sheet, and an other of the first adhesive material and the second adhesive material is an ultraviolet-curing adhesive material.

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03-01-2013 дата публикации

Integrating emi shiel in liquid crystal display devices

Номер: US20130002994A1
Принадлежит: Individual

Certain embodiments of liquid crystal display protection panels and liquid crystal display protection panel integrals have low reflection for outdoor applications. Various embodiments also have the advantage of being able to provide efficient EMI shielding for touch panels without substantially degrading touching force.

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02-05-2013 дата публикации

ELECTRO-OPTICAL CONTROLLABLE GLAZING

Номер: US20130107176A1
Принадлежит: PEER+ B.V.

A controllable glazing, containing at least a first and a second reflective polarizer and a liquid-crystal-dye layer. The liquid-crystal-dye-layer is arranged between the first and the second reflective polarizer. The alignment of the dichroic dye and the alignment of the liquid crystal of the liquid-crystal-dye-layer are changeable. The first and the second reflective polarizer are denoted for electromagnetic radiation in the wavelength range of λ1 to λ2 and the liquid-crystal-dye-layer is selected such that the electromagnetic radiation transmission through the controllable glazing is controlled in the wavelength range of λ3 to λ4 by dye-absorbance and in the wavelength range λ1 to λ2 by alignment of the liquid crystal and the dye in the liquid-crystal-dye layer. The wavelength range of λ1 to λ2 is within the wavelength range of 750 nm to 2000 nm and the wavelength range of λ3 to λ4 is within the wavelength range of 380 nm to 750 nm. 1. Controllable glazing , comprising at least a first and a second reflective polarizer and a liquid-crystal-dye-layer , whereby the liquid-crystal-dye-layer is arranged between the first and the second reflective polarizer and wherein the alignment of a dichroic dye and a liquid crystal of the liquid-crystal-dye-layer is changeable , whereby the first and the second reflective polarizer is are denoted for electromagnetic radiation in the wavelength range of λ1 to λ2 and whereby the liquid-crystal-dye-layer is selected such that the electromagnetic radiation transmission through the controllable glazing is controlled in the wavelength range of λ3 to λ4 by dye-absorbance and in the wavelength range λ1 to λ2 by alignment of the liquid crystal and the dye in the liquid-crystal-dye-layer , wherein the wavelength range of λ1 to λ2 is within the wavelength range of 750 nm to 2000 nm and the wavelength range of λ3 to λ4 is within the wavelength range of 380 nm to 750 nm.2. Controllable glazing according to claim 1 , wherein the alignment of ...

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06-06-2013 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20130141675A1
Принадлежит:

A liquid crystal display device is provided. The liquid crystal display device includes a first substrate having a pixel unit, wherein the pixel unit has a pixel electrode. A second substrate is disposed opposite to the first substrate, having an opposite electrode. A first polarizer is disposed under the first substrate. A second polarizer is disposed under the second substrate, wherein a polarization axis of the second polarizer is vertical to that of the first polarizer. A liquid crystal layer with chiral dopants having negative dispersion characteristics is disposed between the first and second substrates. 1. A liquid crystal display device , comprising:a first substrate having a pixel unit;a second substrate disposed opposite to the first substrate, having an opposite electrode;a first polarizer disposed under the first substrate;a second polarizer disposed under the second substrate, wherein a polarization axis of the second polarizer is vertical to that of the first polarizer; anda liquid crystal (LC) layer with chiral dopants having negative dispersion characteristics disposed between the first and second substrates.2. The liquid crystal display device as claimed in claim 1 , wherein liquid crystal display device is operated by an incident light having a wavelength between 380 nm and 780 nm.3. The liquid crystal display device as claimed in claim 1 , wherein a parameter of LC rotations (d/p ratio) of the LC layer with chiral dopants is between 0.2 and 0.3 claim 1 , wherein d is a thickness of the LC layer with chiral dopants claim 1 , and P is a pitch of chiral dopants.4. The liquid crystal display device as claimed in claim 1 , wherein a first differential of a refractive index (n) of the LC layer with chiral dopants with respect to the wavelength (λ) of an incident light is larger than zero.5. The liquid crystal display device as claimed in claim 1 , wherein the first substrate is a thin film transistor (TFT) substrate claim 1 , and the second substrate is ...

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27-06-2013 дата публикации

POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME

Номер: US20130162935A1
Принадлежит:

A polarizing plate includes a polarizer; and a protective film attached to at least one side of the polarizer via an adhesive layer. The adhesive layer is formed of a water-based adhesive including a polyvinyl alcohol resin, a zirconium compound, and an imine crosslinking agent. The polarizing plate has a variation in light transmittance (|B-A|) from 0% to about 0.25% at wavelengths from 400 nm to 780 nm, where A is an average value of initial light transmittance of the polarizing plate at wavelengths from 400 nm to 780 nm, and B is an average value of light transmittance of the polarizing plate at wavelengths from 400 nm to 780 nm measured after the polarizing plate has been dipped in water of 25° C. for 3 hours, followed by drying at 25° C. for 2 hours. 1. A polarizing plate , comprising:a polarizer; anda protective film attached to at least one side of the polarizer via an adhesive layer, the adhesive layer being formed of a water-based adhesive including a polyvinyl alcohol resin, a zirconium compound, and an imine crosslinking agent,the polarizing plate having a variation in light transmittance (|B-A|) from 0% to about 0.25% at wavelengths from 400 nm to 780 nm, where A is an average value of initial light transmittance of the polarizing plate at wavelengths from 400 nm to 780 nm, and B is an average value of light transmittance of the polarizing plate at wavelengths from 400 nm to 780 nm measured after the polarizing plate has been dipped in water of 25° C. for 3 hours, followed by drying at 25° C. for 2 hours.2. The polarizing plate as claimed in claim 1 , wherein the polarizing plate has a variation in a degree of polarization (D-C) from more than about −0.001% to about 0% at wavelengths from 400 nm to 780 nm claim 1 , where C is an average value of initial degrees of polarization of the polarizing plate at wavelengths from 400 nm to 780 nm claim 1 , and D is an average value of degrees of polarization of the polarizing plate at wavelengths from 400 nm to ...

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01-08-2013 дата публикации

Moisture Barrier for Electronic Devices

Номер: US20130194281A1
Принадлежит: Apple Inc.

An electronic display configured to provide a visual output, such as a liquid crystal display. The electronic display includes an optical shutter and a first polarizer operably connected to the optical shutter. The first polarizer includes an optical filter layer, a protective layer, and a moisture barrier positioned on a first surface of either the optical filter or the protective layer. The moisture barrier substantially prevents water molecules from being transmitted therethrough. 1. An electronic display configured to provide a visual output comprising:an optical shutter; and an optical filter layer;', 'a protective layer; and', 'a moisture barrier positioned on a first surface of either the optical filter or the protective layer., 'a first polarizer operably connected to the optical shutter comprising2. The electronic display of claim 1 , wherein the optical filter is polyvinyl alcohol.3. The electronic display of claim 1 , wherein the protective layer is tri-acetyl cellulose.4. The electronic display of claim 1 , wherein the protective layer further comprises a first protective layer and a second protective layer and the optical filter is positioned between the first protective layer and the second protective layer.5. The electronic display of claim 4 , wherein the moisture barrier is positioned between the first protective layer and optical filter.6. The electronic display of claim 4 , wherein the moisture barrier is positioned between the second protective layer and the optical filter.7. The electronic display of claim 4 , wherein the moisture barrier is positioned on the first protective layer on a side opposite of the optical filter.8. The electronic device of claim 1 , wherein the moisture barrier is an inorganic material.9. The electronic device of claim 1 , wherein the moisture barrier has an optical transmittance greater than eighty percent.10. The electronic device of claim 1 , wherein the moisture barrier has a permeability less than ten grams per ...

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29-08-2013 дата публикации

Backlighting System Including A Specular Partial Reflector And A Circular-Mode Reflective Polarizer

Номер: US20130222732A1
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

A backlight that includes an illumination device that has at least one light source, a circular-mode reflective polarizer, and a specular partial reflector is disclosed. The specular partial reflector is disposed between the illumination device and the circular-mode reflective polarizer. Furthermore, the specular partial reflector is in substantially direct polarization communication with the circular-mode reflective polarizer. 2. The display of claim 1 , wherein the circular-mode reflective polarizer comprises:a linear-mode reflective polarizer; anda quarter-wave retarder disposed between the linear-mode reflective polarizer and the specular partial reflector.3. The display of claim 1 , wherein the specular partial reflector comprises glass.4. The display of claim 1 , wherein the specular partial reflector comprises a layer disposed on a substrate claim 1 , the substrate having an optical function different from that of the specular partial reflector.5. The display of claim 1 , wherein the specular partial reflector comprises a coating disposed on the circular-mode reflective polarizer.6. The display of claim 1 , further comprising an optical component.7. The display of claim 6 , wherein the optical component comprises a diffuser claim 6 , diffuser plate claim 6 , gain diffuser claim 6 , turning film claim 6 , polarizer claim 6 , reflective polarizer claim 6 , retarder or transflector.8. The display of claim 1 , wherein the specular partial reflector comprises a plurality of substantially specularly-reflecting major surfaces.9. A display claim 1 , comprising:an illumination device comprising at least one organic light-emitting diode;a circular-mode reflective polarizer; anda specular partial reflector disposed between the illumination device and the circular-mode reflective polarizer, wherein the specular partial reflector has an orthogonal reflection fraction value of at least 2%.10. The display of claim 9 , wherein the circular-mode reflective polarizer comprises ...

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19-09-2013 дата публикации

Optical laminate and liquid crystal display device

Номер: US20130242236A1
Принадлежит: Nitto Denko Corp

There is provided an optical laminate which comprises: a polarizing film wherein a thin polarizing layer is laminated on one main surface of a substrate; and an optical element (lens array). The thin polarizing layer has a thickness of 8 μm or less. The substrate has a thickness of 20 μm to 80 μm. The optical element is a pattern retardation plate including a plurality of regions having different slow axis directions.

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24-10-2013 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20130278873A1
Автор: Enomoto Hiromi
Принадлежит:

It is an object of the present invention to provide a liquid crystal display device with a good display quality, and a manufacturing method of such a liquid crystal display device. 1. A liquid crystal display device , comprising:a liquid crystal display panel with a display surface defining a recessed curved surface having curvature of 1/500- 1/50 (1/mm), and with a reflection section which is arranged parallel to the display surface, which defines a recessed curved surface having curvature of 1/500- 1/50 (1/mm), and in which a plurality of elongated regions having different light reflectivities are arranged in parallel with each other from a middle section of the curved surface toward both end sections in the curving direction,wherein the light reflectivities of the plurality of elongated regions arranged in parallel with each other vary in a step-wise manner from the middle section of the curved surface toward the both end sections in the curving direction.2. The liquid crystal display device of claim 1 , whereinthe elongated regions of the reflection section are a first region provided in the middle section of the curved surface, where the light reflectivity is equal to or greater than 0% and less than 5%; second regions adjoining the middle section in a direction toward the both end sections of the curved surface, where the light reflectivity is equal to or greater than 5% and less than 10%; and third regions adjoining the second regions in the direction toward the both end sections of the curved surface, where the light reflectivity is equal to or greater than 10% and less than 15%; andthe elongated regions of the reflection section are arranged so that the light reflectivities are increased from the middle section toward the both end sections in the curving direction.3. The liquid crystal display device of claim 1 , whereinthe elongated regions of the reflection section are a first region provided in the middle section of the curved surface, where the light ...

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28-11-2013 дата публикации

Liquid crystal display device

Номер: US20130314635A1
Принадлежит: Japan Display Inc

An array substrate includes a gate line extending in a first direction, a source line extending in a second direction orthogonally crossing the first direction and an auxiliary capacitance line having a trunk portion extending in the first direction so as to cross the source line and a branch portion branched from the trunk portion and extending along the source line. A switching element includes a drain line arranged under the auxiliary capacitance line so as to face the trunk portion and the branch portion thereof. A pixel electrode includes a main pixel electrode extending substantially in parallel to the source line and a contact portion electrically connected with the drain line. A counter substrate includes a couple of main common electrodes extending substantially in parallel to the main pixel electrode on the both sides sandwiching the main pixel electrode.

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28-11-2013 дата публикации

Azo Compound And Salt Thereof, And Dye-Based Polarizing Film And Polarizing Plate Containing The Same

Номер: US20130314786A1
Принадлежит:

The present invention relates to an azo compound represented by the following formula (1) [wherein, A represents a naphthyl group having a substituent, Rto Reach independently represent a hydrogen atom, an alkyl group having a carbon atom number of 1 to 5, an alkoxy group having a carbon atom number of 1 to 5, a sulfo group, or an alkoxy group having a sulfo group and a carbon atom number of 1 to 5, and X represents a benzoylamino group having a substituent, a phenylamine group having a substituent, a phenylazo group having a substituent, or a naphthotriazole group having a substituent] and a salt thereof. By using the azo compound or a salt thereof of the present invention, a neutral color polarizing plate and a color polarizing plate for a liquid crystal projector being excellent in polarization performance and durability and having less color leakage in a visible light region can be provided. 2. The azo compound and/or a salt thereof according to claim 1 , wherein X is a benzoylamino group having a substituent claim 1 , a phenylamino group having a substituent claim 1 , a phenylazo group having a substituent claim 1 , or a naphthotriazole group having a substituent claim 1 , and these substituents are groups selected from the group consisting of a hydrogen atom claim 1 , an alkyl group having a carbon atom number of 1 to 5 claim 1 , an alkoxy group having a carbon atom number of 1 to 5 claim 1 , a hydroxy group claim 1 , a carboxy group claim 1 , a sulfo group claim 1 , an amino group or a substituted amino group.7. The azo compound and/or a salt thereof according to claim 1 , wherein A is a naphthyl group having at least one substituent and at least one of the substituents is a sulfo group.9. The azo compound or/and a salt thereof according to claim 1 , wherein Rto Rare each independently a hydrogen atom claim 1 , a methyl group claim 1 , a methoxy group claim 1 , or an alkoxy group having a sulfo group and a carbon atom number of 1 to 5.11. The azo compound and ...

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02-01-2014 дата публикации

Projector

Номер: US20140002756A1
Автор: Huang Ju-Ping, Lin Yun-Yi
Принадлежит:

A projector includes a polarization conversion system and a reflective polarizer. The polarization conversion system receives unpolarized light including first S-polarized light and first P-polarized light, wherein the first S-polarized light passes through the polarization conversion system, a part of the first P-polarized light is converted into second S-polarized light after passing through the polarization conversion system, and another part of the first P-polarized light remains unchanged after passing through the polarization conversion system. The reflective polarizer allows the first S-polarized light and the second S-polarized light to pass through and reflects the first P-polarized light back to the polarization conversion system. 1. An optical module having an object side and an image side; the module comprising , from the object side to the image side:a positive meniscus lens having a focal length F1 and comprising first and second optical surfaces, the first optical surface being convex and facing the object side, and the second optical surface being concave and facing the image side;a plano-convex lens having a focal length F2 and comprising third and fourth optical surfaces, the third optical surface being flat and facing the object side, and the fourth optical surface being convex and facing the image side; {'br': None, 'i': Zi=CURViYi', 'Ki', 'CURVi', 'Yi', 'Ai', 'Yi', 'Bi', 'Yi', 'Ci', 'Yi', 'Di', 'Yi, 'sup': 2', '2', '2', '2', '4', '6', '8, '/(1+(1−(1+))½)+()+()+()+()'}, 'the four optical surfaces having their curvatures defined by the equationwhere:i is the surface number (i=1 to 4);for the i-th surface, Zi is the distance between a point on the aspheric surface at the height of Yi above the optical axis and a plane tangent to the aspheric surface at the intersection of this surface with the optical axis;Ki is a constant called the conic constant of the i-th surface;CURVi is the curvature if the i-th surface at the intersection of this surface ...

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23-01-2014 дата публикации

Liquid Crystal Display Device

Номер: US20140022492A1
Принадлежит: LG DISPLAY CO., LTD.

A liquid crystal display device including polarizing films that polarize infrared-range light as well as visible-range light and being operated in a visible light mode and an infrared light mode is disclosed. The liquid crystal display device includes a liquid crystal panel, polarizing films attached to the top and bottom surfaces of the liquid crystal panel, and a backlight unit disposed under the liquid crystal panel. At least one of the polarizing films includes an infrared polarizing film or a polarizing film for both visible and infrared light. 1. A liquid crystal display device comprising:a liquid crystal panel;polarizing films attached to top and bottom surfaces of the liquid crystal panel; anda backlight unit disposed under the liquid crystal panel,wherein at least one of the polarizing films comprises an infrared polarizing film or a visible-infrared polarizing film for both of visible and infrared light.2. The liquid crystal display device of claim 1 , wherein a polarization axis of the polarizing film attached to the top surface of the liquid crystal panel is perpendicular to a polarization axis of the polarizing film attached to the bottom surface of the liquid crystal panel.3. The liquid crystal display device of claim 1 , wherein the polarizing films attached to the top and bottom surfaces of the liquid crystal panel comprise the infrared polarizing film and a visible polarizing film sequentially stacked.4. The liquid crystal display device of claim 1 , wherein the polarizing film attached to the top surface of the liquid crystal panel comprises the infrared polarizing film and the visible polarizing film sequentially stacked claim 1 , andthe polarizing film attached to the bottom surface of the liquid crystal panel comprises the visible polarizing film and the infrared polarizing film sequentially stacked.5. The liquid crystal display device of claim 1 , wherein the polarizing film attached to the top surface of the liquid crystal panel comprises the ...

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06-02-2014 дата публикации

REFLECTIVE POLARIZER

Номер: US20140036200A1
Принадлежит: LG CHEM, LTD.

The present application relates to a reflective polarizer, a method of manufacturing a reflective polarizer, an optical element, and a display device. The reflective polarizer may have excellent thermal and physical durability even when exposed to a light source and external friction. In addition, the method for manufacturing a reflective polarizer according to the present application may provide a large-sized reflective polarizer without using expensive equipment. 1. A reflective polarizer , comprising:a resin layer; anda convex portion which comprises particles having an average particle diameter of 2 to 100 nm and which forms grids on the resin layer.2. The polarizer according to claim 1 , wherein the resin layer includes a resin having a refractive index of 1.1 to 2.0.3. The polarizer according to claim 1 , wherein the resin included in the resin layer is also present in the convex portion.4. The polarizer according to claim 1 , wherein the convex portion has a porosity represented by Equation 1 of 5 to 50%:{'br': None, 'i': P', 'V', '−V', 'V, 'sub': 1', '2', '1, 'Porosity ()=()/×100\u2003\u2003[Equation 1]'}{'sub': 1', '2, 'where Vrepresents a total volume of the convex portion, and Vrepresents a occupied volume by the particles in the convex portion.'}5. The polarizer according to claim 1 , wherein the particles are silver particles claim 1 , copper particles claim 1 , chromium particles claim 1 , platinum particles claim 1 , gold particles claim 1 , nickel particles claim 1 , palladium particles claim 1 , tungsten particles claim 1 , iridium particles claim 1 , molybdenum particles claim 1 , iron particles claim 1 , titanium particles claim 1 , chromium particles claim 1 , cobalt particles claim 1 , or aluminum particles claim 1 , or an alloy of at least two thereof.6. The polarizer according to claim 1 , wherein the particles are core-shell particles each including a core including a metal or metal alloy claim 1 , and a shell which is present at an outside ...

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06-02-2014 дата публикации

Variable reflectance mirror system

Номер: US20140036339A1
Принадлежит: Gentex Corp

Anisotropic film laminates for use in image-preserving reflectors such as rearview automotive mirror assemblies, and related methods of fabrication. A film may comprise an anisotropic layer such as a light-polarizing layer and other functional layers. The film having controlled water content is heated under omnidirectional pressure and vacuum to a temperature substantially equal to or above a lower limit of a glass-transition temperature range of the film so as to be laminated to a substrate. The laminated film is configured as part of a mirror structure so as to increase contrast of light produced by a light source positioned behind the mirror structure and transmitted through the mirror structure towards a viewer. The mirror structure is devoid of any extended distortion and is characterized by SW and LW values less than 3, more preferably less than 2, and most preferably less than 1.

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20-02-2014 дата публикации

LIQUID CRYSTAL DISPLAY APPARATUS

Номер: US20140049733A1
Автор: SUZUKI Teruaki
Принадлежит: BOE TECHNOLOGY GROUP CO., LTD.

A liquid crystal display apparatus is provided. The liquid crystal display apparatus comprises: a display unit (), a backlight source (), and a reflection type polarizer () disposed between the display unit () and the backlight source (). 1. A liquid crystal display apparatus , comprising: a display unit , a backlight source , and a reflection type polarizer disposed between the display unit and the backlight source.2. The liquid crystal display apparatus according to claim 1 , wherein the liquid crystal display apparatus further comprises a reflection type color filter layer claim 1 , and the display unit comprises a pigment type color filter layer claim 1 , and the reflection type color filter layer and the pigment type color filter layer are disposed to align with each other.3. The liquid crystal display apparatus according to claim 2 , wherein the reflection type color filter layer is disposed between the display unit and the reflection type polarizer.4. The liquid crystal display apparatus according to claim 2 , wherein the reflection type color filter layer is disposed between the reflection type polarizer and the backlight source.5. The liquid crystal display apparatus according to claim 2 , wherein the pigment type color filter layer comprises sub-pixels claim 2 , and a black matrix is disposed between adjacent sub-pixels.6. The liquid crystal display apparatus according to claim 2 , wherein the display unit further comprises an array substrate and an opposite substrate which is disposed opposite to the array substrate claim 2 , and the pigment type color filter layer is disposed on the array substrate or the opposite substrate.7. The liquid crystal display apparatus according to claim 1 , wherein the reflection type polarizer is a polarizer having cholesteric liquid crystal claim 1 , a multi-layer reflection type polarizer or a wire grid polarizer.8. The liquid crystal display apparatus according to claim 1 , wherein the display unit comprises:an array ...

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20-02-2014 дата публикации

Dual Panel Display with Cross BEF Collimator and Polarization-Preserving Diffuser

Номер: US20140049734A1

A display including an image-generating panel and at least one contrast-enhancing panel, a cross BEF collimator between a backlight and one of the panels, and a polarization-preserving diffuser (e.g., holographic diffuser) between the panels. Typically, the contrast panel is upstream of the image panel, and a reflective polarizer is positioned between the cross BEF or and contrast panel, with the reflective polarizer oriented relative to an initial polarizer of the contrast panel. Polarization of light transmitted by the reflective polarizer matches that transmitted by the initial polarizer. Collimated light propagating from the cross BEF collimator toward the contrast-enhancing panel is given a polarization bias by the reflective polarizer, which reflects incorrectly polarized light back toward the cross BEF collimator. Alternatively, the reflective polarizer may be positioned between the cross BEF collimator and the image-generating panel when the image-generating panel is upstream of the contrast-enhancing panel. 1. A dual panel display , comprising:an image-generating panel;at least one contrast-enhancing panel;a backlight, positioned such that light from the backlight illuminates a first one of the contrast-enhancing panel and the image-generating panel, and light transmitted through said first one of the contrast-enhancing panel and the image-generating panel illuminates the other one of the contrast-enhancing panel and the image-generating panel;a polarization-preserving diffuser between the contrast-enhancing panel and the image-generating panel; anda cross BEF collimator between the backlight and said first one of the image-generating panel and the contrast-enhancing panel, wherein the contrast-enhancing panel includes an active layer between an initial polarizer and an analyzing polarizer, and the image-generating panel includes an active layer between an initial polarizer and an analyzing polarizer.2. The dual panel display of claim 1 , wherein the ...

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03-04-2014 дата публикации

Display with Liquid Crystal Shutters for Minimizing Display Borders

Номер: US20140092341A1
Принадлежит: Apple Inc.

An electronic device may be provided with a display mounted in a housing. The display may have an array of display pixels that provide image light to a user. The array of display pixels may form active display structures with a rectangular shape. The rectangular active display structures may be surrounded by an inactive border region. Liquid crystal light distribution structures may be used to distribute light that is emitted from peripheral portions of the active display structures to a portion of the display overlapping the inactive border region, thereby increasing the apparent area of the display. The light distribution structures may include a liquid crystal cell, a reflecting polarizer, and a reflector that reflects light from the peripheral portions of the active display structures vertically upwards after the light has passed through the liquid crystal cell and has reflected off of the reflecting polarizer. 1. A display for displaying content with an apparent size to a user , the display comprising:active display structures having an area, having a central region of display pixels, and having a peripheral edge region of display pixels; andadjustable liquid crystal light distribution structures that distribute light from the display pixels in the peripheral edge region to make the apparent size of the display larger than the area of the active display structures.2. The display defined in wherein the adjustable liquid crystal light distribution structures include a reflecting polarizer.3. The display defined in wherein the adjustable liquid crystal light distribution structures include a liquid crystal cell having a layer of liquid crystal material interposed between a pair of transparent electrodes.4. The display defined in wherein the active display structures include an array of display pixels with a rectangular periphery and wherein the adjustable liquid crystal light distribution structures are located along at least part of the rectangular periphery.5. ...

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03-04-2014 дата публикации

LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20140092347A1
Принадлежит: SHARP KABUSHIKI KAISHA

A variable reflectance mirror () is arranged between a liquid crystal layer () and a CF layer () in a liquid crystal display panel (). In reflective-type display, because incident light is reflected by the variable reflectance mirror () before reaching the CF layer (), light absorption due to the CF layer () does not occur. 1. A liquid crystal display panel comprising:a liquid crystal layer;a color filter layer; anda variable reflectance layer that is arranged between the liquid crystal layer and the color filter layer and changes the reflectance of light by external control,wherein the liquid crystal display panel switches between transmissive-type display in which a path of light is a path passing through the liquid crystal layer in one direction and reflective-type display in which a path of light is a path in which light directed at the variable reflectance layer from the liquid crystal layer is reflected on the variable reflectance layer according to control of reflectance of the variable reflectance layer.2. The liquid crystal display panel according to claim 1 , whereina first polarization plate;a first λ/4 retardation plate in which an azimuth angle of a slow axis is set to 45 degrees with respect to a direction parallel to a transmission axis of the first polarization plate;the liquid crystal layer;the variable reflectance layer;the color filter layer;a second λ/4 retardation plate in which a slow axis is set to be orthogonal or parallel to the slow axis of the first λ/4 retardation plate; anda second polarization plate in which a transmission axis is set to be orthogonal to a transmission axis of the first polarization plate in a case where the respective slow axes of the first and second λ/4 retardation plates are orthogonal, and the transmission axis is set to be parallel to the transmission axis of the first polarization plate in a case where the respective slow axes of the first and second λ/4 retardation plates are parallelare arranged in the above ...

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10-04-2014 дата публикации

POLARIZER, LIQUID CRYSTAL DISPLAY, AND MANUFACTURING METHOD THEREOF

Номер: US20140098330A1
Принадлежит: Samsung Display Co., Ltd.

A polarizer includes an opening defined in the polarizer and through which light transmits; a non-opening which is adjacent to the opening and blocks the light; a plurality of metal lines elongated in a first direction, and separated from each other in a second direction different than the first direction, in the opening; and a plate-type pattern in the non-opening. A height of the metal lines is smaller than a height of the plate-type pattern, from a same reference; and an interval in the second direction and between adjacent metal lines is smaller than a wavelength of visible light rays. 1. A polarizer comprising:an opening defined in the polarizer and through which light transmits;a non-opening which is adjacent to the opening and blocks the light;a plurality of metal lines elongated in a first direction, and separated from each other in a second direction different than the first direction, in the opening; anda plate-type pattern in the non-opening,whereina height of the plurality of metal lines is smaller than a height of the plate-type pattern, from a same reference; andan interval in the second direction and between adjacent metal lines is smaller than a wavelength of visible light rays.2. The polarizer of claim 1 , whereinthe plate-type pattern comprises:a plate-type metal pattern, andan additional plate-type pattern on the plate-type metal pattern,wherein a height of the plate-type metal pattern is the same as the height of the plurality of metal lines, from the same reference.3. The polarizer of claim 2 , whereinthe additional plate-type pattern comprises a metal or a dielectric material, andthe dielectric material comprises TiO2 or SiO2, or has a highly reflective characteristic or an anti-reflective characteristic.4. The polarizer of claim 3 , whereinthe additional plate-type pattern has a dual-layered structure.5. The polarizer of claim 3 , further comprising:a second minute additional layer above the plurality of metal lines; anda second plate-type ...

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06-01-2022 дата публикации

LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20220004053A1
Принадлежит:

According to a liquid crystal display panel and a display device in the present disclosure, since at least one of a first polarizer and a second polarizer has a light scattering structure, polarized light of corresponding colors transmitted by sub-pixel units with different colors in a liquid crystal display structure can be uniformly diffused by the light scattering structure. That is to say, the light scattering structure plays a role for uniformly mixing the polarized light of different colors. Therefore, the rainbow pattern phenomenon is effectively improved or even eliminated, and the display quality is improved. 1. A liquid crystal display panel , comprising:a liquid crystal display structure;a liquid crystal light control structure arranged in an overlapping manner with the liquid crystal display structure;a first polarizer located on one side of the liquid crystal display structure facing away from the liquid crystal light control structure, anda second polarizer located on one side of the liquid crystal light control structure facing away from the liquid crystal display structure,wherein at least one of the first polarizer and the second polarizer has a light scattering structure.2. The liquid crystal display panel of claim 1 , further comprising:a third polarizer located between the liquid crystal display structure and the liquid crystal light control structure,wherein at least one of the first polarizer, the second polarizer and the third polarizer has the light scattering structure.3. The liquid crystal display panel of claim 1 , wherein a film layer in a polarizer having the light scattering structure is doped with transparent particles to constitute the light scattering structure;wherein a diameter of a transparent particle is in a nanometer scale; andwherein a material of the transparent particles is acrylic or silica.4. The liquid crystal display panel of claim 3 , wherein the polarizer having the light scattering structure comprises:a pressure- ...

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01-01-2015 дата публикации

OPTICAL FILM ROLL

Номер: US20150002792A1
Принадлежит: NITTO DENKO CORPORATION

An optical film roll is disclosed capable of realizing excellent display characteristics while maintaining manufacturing efficiency. The optical film roll has a width corresponding to a pair of opposite sides of a liquid crystal cell and is used by being cut to a length corresponding to another pair of opposite sides of the liquid crystal cell to be continuously attached to a surface of the liquid crystal cell. The optical film roll includes a long optical film wound into a roll shape, the long optical film being obtained by subjecting a long optical raw film, which is produced by laminating a polarizing film having an absorption axis in its width direction, and a reflective polarizing film having a reflection axis in its width direction, to a slitting process in a machine direction while conveying the long optical raw film in its lengthwise direction. 1. An optical film roll , which has a width corresponding to a pair of opposite sides of a liquid crystal cell and is used by being cut to a length corresponding to another pair of opposite sides of the liquid crystal cell to be continuously attached to a surface of the liquid crystal cell ,the optical film roll comprising a long optical film wound into a roll shape, the long optical film being obtained by subjecting a long optical raw film, which is produced by laminating a polarizing film having an absorption axis in its width direction, and a reflective polarizing film having a reflection axis in its width direction, to a slitting process in a machine direction while conveying the long optical raw film in its lengthwise direction.2. An optical film roll according to claim 1 , wherein the polarizing film has a thickness of less than 10 μm.3. An optical film roll according to claim 1 , wherein the optical raw film includes a release film claim 1 , a pressure-sensitive adhesive layer claim 1 , the polarizing film claim 1 , and the reflective polarizing film claim 1 , which are laminated in the stated order.4. An ...

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05-01-2017 дата публикации

Regional polarization structure, method for fabricating regional polarization structure and liquid crystal display panel

Номер: US20170003428A1
Автор: Sifan Wei, Zhongshou Huang

A regional polarization structure, a method for fabricating a regional polarization structure and a liquid crystal display panel are provided. The regional polarization structure includes: a substrate; at least one first carbon nanotube block arranged on a first side of the substrate, where the at least one first carbon nanotube block includes multiple carbon nanotubes extended in a first direction; a first adhesive layer arranged between the substrate and the at least one first carbon nanotube block; at least one second carbon nanotube block arranged on a second side of the substrate, where the at least one second carbon nanotube block includes multiple carbon nanotubes extended in a second direction; and a second adhesive layer arranged between the substrate and the at least one second carbon nanotube block, where projections of the at least one first carbon nanotube block and the at least one second carbon nanotube block on the substrate do not overlap, and the first direction is not parallel with the second direction.

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07-01-2016 дата публикации

Display assembly including two superposed display devices

Номер: US20160004137A1
Автор: Michel Sagardoyburu

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

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04-01-2018 дата публикации

Liquid crystal panel, liquid crystal display device including liquid crystal panel, and method of manufacturing liquid crystal panel

Номер: US20180004024A1
Принадлежит: Mitsubishi Electric Corp

A pretilt angle of a liquid crystal molecule on the side of an array substrate is formed such that the liquid crystal molecule goes away from the array substrate in a direction to the left when viewed from a position facing a display surface of a liquid crystal panel. The pretilt angle on the side of a counter substrate is formed such that the liquid crystal molecule goes away from the counter substrate in a direction to the right when viewed from a position facing the display surface. The directions to the left and the right define a direction X corresponding to a horizontal direction of the liquid crystal panel. A direction of a delay phase axis of a biaxial phase difference film is arranged in a position rotated anticlockwise in an angular range from over 0° to 1° from the direction X.

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02-01-2020 дата публикации

Optical stack for privacy display

Номер: US20200004061A1
Принадлежит:

A switchable privacy display apparatus comprises a polarised output spatial light modulator, and an additional polariser. A reflective polariser, switchable liquid crystal polar control retarder, passive polar control retarders and air gap are arranged between the display output polariser and additional polariser. The passive retarders are arranged to provide no phase difference to polarised light from the spatial light modulator for on-axis light; and simultaneously provide a non-zero phase difference for polarised light in off-axis directions. The polar control retarders are further arranged to achieve low reflectivity for light propagating through the air gap. A switchable privacy display that can be conveniently assembled at low cost can be provided with high contrast images for display users while maintaining high visual security level for off-axis snoopers. 1. A display device comprising:a spatial light modulator;a display polariser arranged on the output side of the spatial light modulator, the display polariser being a linear polariser;an additional polariser arranged on the output side of display polariser, the additional polariser being a linear polariser; andplural polar control retarders arranged between the additional polariser and the display polariser, wherein an air gap divides the plural polar control retarders into at least one air gap input retarder between the display polariser and the air gap and at least one air gap output retarder between the air gap and the additional polariser,the at least one air gap input retarder being arranged to convert linearly polarised light passed by the display polariser into circularly polarised light, andthe plural polar control retarders together being capable of simultaneously introducing no net, relative phase shift to orthogonal polarisation components of light passed by the display polariser along an axis along a normal to the plane of the plural polar control retarders and introducing a net, relative phase ...

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03-01-2019 дата публикации

OPTICAL FILM STACK INCLUDING RETARDATION LAYER

Номер: US20190004227A1
Принадлежит:

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

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03-01-2019 дата публикации

DISPLAY DEVICE

Номер: US20190004361A1
Принадлежит:

A display device having flexibility and including a display cell including a first substrate having flexibility, a second substrate having flexibility and an electro-optical layer between the first substrate and the second substrate, a first film adhered to the display cell on the first substrate side, a first polarization member between the first substrate and the first film, and a second film adhered to the display cell on the second substrate side. The first film may be on a surface of the display device. 1. A display device having flexibility comprising:a display cell including a first substrate having flexibility, a second substrate having flexibility and an electro-optical layer between the first substrate and the second substrate;a first film adhered to the display cell on the first substrate side of the display cell;a first polarization member between the first substrate and the first film; anda second film adhered to the display cell on the second substrate side of the display cell.2. The display device according to claim 1 , wherein the first film exists on a surface of the display device.3. The display device according to claim 1 , further comprising a second polarization member between the second substrate and the second film.4. The display device according to claim 3 , further comprising an illumination device including a light source claim 3 ,whereinthe second polarization member is a polarization member including a reflecting film; andthe second film exists between the illumination device and the second polarization member.5. The display device according to claim 3 , further comprising:an illumination device including a light source; anda display panel including the display cell, the first polarization member, the second polarization member and the first film,whereinthe display panel includes a display region displaying an image and a periphery region on a periphery of the display region;the illumination device is fixed to the display panel on the ...

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13-01-2022 дата публикации

DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20220011611A1
Принадлежит:

The present application discloses a display panel and a display device. The display panel includes a display module and an encapsulation cover plate disposed on a light-emitting side of the display module. The light-emitting side of the display module is further provided with a light conversion layer configured to emit indicating light when receiving specific light. The light conversion layer includes a light conversion material. The indicating light is visible light, and a brightness of the indicating light is greater than a determined brightness. 1. A display panel , comprising:a display module; andan encapsulation cover plate disposed on a light-emitting side of the display module;wherein the light-emitting side of the display module is further provided with a light conversion layer configured to emit indicating light when receiving specific light, and the light conversion layer comprises a light conversion material; andwherein the indicating light is visible light, and a brightness of the indicating light is greater than a determined brightness.2. The display panel according to claim 1 , wherein the display module comprises a display screen body and a touch layer disposed on a side of the display screen body near the encapsulation cover plate; anda first sealant is provided between the encapsulation cover plate and the touch layer, and the first sealant, the encapsulation cover plate, and the touch layer form a cavity.3. The display panel according to claim 2 , wherein the encapsulation cover plate comprises a cover plate body and a first polarizer disposed on a side of the cover plate body near the display module.4. The display panel according to claim 3 , wherein the light conversion material is distributed on the first polarizer and/or the cover plate body to form the light conversion layer.5. The display panel according to claim 3 , wherein the light conversion material is distributed in the touch layer to form the light conversion layer.6. The display panel ...

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13-01-2022 дата публикации

OPTICAL BODY AND DISPLAY DEVICE INCLUDING SAME

Номер: US20220011630A1
Принадлежит: Toray Advanced Materials Korea Inc.

The present invention relates to an optical body and a display device including the same, and more specifically, the present invention relates to an optical body, which can minimize optical loss thereof and maximize luminance enhancement thereof, and a display device including the same. 1. An optical body , comprising:a substrate; anda plurality of dispersions dispersed and comprised inside the substrate,{'sup': '2', 'wherein the plurality of dispersions have an average aspect ratio of 0.5 or less, and the number of dispersions having a cross-sectional area of 0.3 μmor less is 80% or more of the total dispersions.'}2. The optical body of claim 1 , wherein in the plurality of dispersions claim 1 , the number of dispersions having a cross-sectional area of more than 0.01 μmto 0.09 μmor less is 70% to 90% of the total dispersions.5. The optical body of claim 4 , wherein the plurality of dispersions have an average aspect ratio of 0.3 to 0.5.6. The optical body of claim 1 , wherein the optical body satisfies Conditions (1) and (2) below.{'sub': g', 'g, '(1) Glass transition temperature (T) of dispersion>Glass transition temperature (T) of substrate'}(2) The difference in the glass transition temperatures of a dispersion and a substrate is 10° C. or less.7. The optical body of claim 6 , wherein the glass transition temperature (T) of the substrate is 110° C. to 130° C.8. The optical body of claim 1 , wherein the optical body has a haze of 25% or less.9. The optical body of claim 1 , wherein the optical body transmits a first polarized light parallel to a transmission axis and reflects a second polarized light parallel to an extinction axis.11. The optical body of claim 10 , wherein the included angle which is an acute angle with the first line is ±60° claim 10 , and the luminance dispersion coefficient which is measured based on an in-plane virtual second line passing through a bisecting point of the first line is within 2%.12. A display device claim 1 , comprising the ...

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04-01-2018 дата публикации

DISPLAY DEVICE AND HAND-HELD ELECTRONIC DEVICE

Номер: US20180006059A1
Автор: Fukuda Koichi
Принадлежит:

An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device. 1. A display device used in a hand-held electronic device comprising;a TFT substrate having a multi-thin layer,a first member disposed over the TFT substrate,a polarizing plate disposed over the first member,a protective member disposed over the polarizing plate, andan adhesive member disposed between the polarizing plate and the protective member,wherein the polarizing plate is a separate member from the protective member and the first member,wherein the protective member is a protective cover of the hand-held electronic device, andwherein an edge of the polarizing plate and an edge of the first member are disposed inside an edge of the TFT substrate, in a plan view.2. The display device according to claim 1 ,wherein a thickness of the protective member is at least 0.2 mm and no greater than 1.0 mm.3. The display device according to claim 1 ,wherein the first member is a phase difference plate.4. The display device according to claim 3 ,wherein the polarizing plate and the phase difference plate are combined to form a circularly polarizing plate.5. The display device according to claim 1 ,wherein no air layer is formed between the polarizing plate and the protective member in a display region.6. The display device according to claim 1 , further comprising a second member disposed between the TFT substrate and the first member claim 1 ,wherein the first member ...

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08-01-2015 дата публикации

Displays With Reflective Polarizers

Номер: US20150009451A1
Принадлежит:

An electronic device may be provided with a display mounted in a housing. The display may include a liquid crystal display module and a reflective polarizer having an in-plane optical axis. The display may also include a backlight unit that includes a light source, a light guide element, and a reflector film coupled to a backside of the light guide element. The display may also include a light retardation layer such as a quarter wave film. The quarter wave film may be arranged between the reflective polarizer and the reflector film of the backlight unit. During operation of the display, partially polarized light that is output from a front side of the light guide element may have a first component parallel to the in-plane optical axis and a second component perpendicular to the in-plane optical axis of the reflective polarizer. The second component may be reflected from the reflective polarizer. 1. A display , comprising:a liquid crystal display module;a backlight unit having a reflector;optical films that include a diffuser film and a prism film having prism elements that face the backlight unit; anda reflective polarizer interposed between the reflector and the liquid crystal display module.2. The display defined in claim 1 , further comprising:a quarter wave film.3. The display defined in wherein the quarter wave film is interposed between the diffuser film and the reflective polarizer.4. The display defined in wherein the quarter wave film is interposed between the diffuser film and the prism film.5. The display defined in wherein the backlight unit further comprises a light guide layer and wherein the quarter wave film is interposed between the prism film and the light guide layer.6. The display defined in wherein the backlight unit further comprises a light guide layer and wherein the quarter wave film is interposed between the light guide layer and the reflector.7. A display claim 2 , comprising:a liquid crystal display module;a backlight unit having a ...

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08-01-2015 дата публикации

BACKLIGHT LIGHT GUIDE

Номер: US20150009648A1
Принадлежит:

A backlight light guide comprises a generally planar structure having a light guide layer having a surface that includes a spaced array of extractors, a backside reflective layer, a low refractive index coupling layer disposed on an opposite major surface of the light guide layer, and a reflective polarizer to provide recycling of unused light.

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27-01-2022 дата публикации

DISPLAY DEVICE

Номер: US20220026760A9
Принадлежит:

The present disclosure relates to a display device. The display device includes a first liquid crystal cell and a second liquid crystal cell disposed opposite to each other, a first polarizer located on a side of the first liquid crystal cell away from the second liquid crystal cell, a second polarizer located on a side of the second liquid crystal cell away from the first liquid crystal cell, and a third polarizer located between the first liquid crystal cell and the second liquid crystal cell, wherein the display device further includes a polarization maintaining diffusion sheet located between the first liquid crystal cell and the second liquid crystal cell. 1. A display device comprising:a first liquid crystal cell and a second liquid crystal cell disposed opposite to each other;a first polarizer located on a side of the first liquid crystal cell away from the second liquid crystal cell;a second polarizer located on a side of the second liquid crystal cell away from the first liquid crystal cell; anda third polarizer located between the first liquid crystal cell and the second liquid crystal cell,wherein the display device further comprises a polarization maintaining diffusion sheet located between the first liquid crystal cell and the second liquid crystal cell.2. The display device according to claim 1 , wherein the polarization maintaining diffusion sheet is located between the third polarizer and the second liquid crystal cell or located between the first liquid crystal cell and the third polarizer.3. The display device according to further comprising a fourth polarizer located between the first liquid crystal cell and the second liquid crystal cell claim 1 , and wherein a direction of a transmission axis of the fourth polarizer is the same as a direction of a transmission axis of the third polarizer.4. The display device according to claim 3 , wherein the polarization maintaining diffusion sheet is located between the third polarizer and the fourth ...

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27-01-2022 дата публикации

DISPLAY APPARATUS

Номер: US20220026764A1
Принадлежит: AU OPTRONICS CORPORATION

A display apparatus includes a backlight, a first polarizer, a light controlling panel, a second polarizer, a display panel, and a third polarizer sequentially arranged along a direction. A transmission axis of the first polarizer and a transmission axis of the second polarizer are substantially parallel, and the transmission axis of the second polarizer and a transmission axis of the third polarizer are substantially perpendicular. A set of the first polarizer, the light controlling panel, and the second polarizer has a transmittance, and the transmittance has a maximum value when the light controlling panel is not enabled. 1. A display apparatus , comprising:a backlight;a first polarizer;a light controlling panel;a second polarizer;a display panel; anda third polarizer, wherein the backlight, the first polarizer, the light controlling panel, the second polarizer, the display panel, and the third polarizer are sequentially arranged along a direction;a transmission axis of the first polarizer and a transmission axis of the second polarizer are substantially parallel, and the transmission axis of the second polarizer and a transmission axis of the third polarizer are substantially perpendicular;a set of the first polarizer, the light controlling panel, and the second polarizer has a transmittance, and the transmittance has a maximum value when the light controlling panel is not enabled; a first substrate;', 'a first alignment film;', 'a liquid crystal layer;', 'a second substrate, wherein the first substrate, the first alignment film, the liquid crystal layer, and the second substrate are sequentially arranged along the direction, and the transmission axis of the first polarizer and the transmission axis of the second polarizer are substantially perpendicular to a rubbing direction of the first alignment film; and', 'a second alignment film, wherein the first substrate, the first alignment film, the liquid crystal layer, the second alignment film, and the second ...

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10-01-2019 дата публикации

Display device

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

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

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10-01-2019 дата публикации

LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD FOR MANUFACTURING A YELLOW-DYE POLARIZER

Номер: US20190011775A1

An LC panel stacked with a blue backlight module is disclosed. The LC panel includes first and second yellow-dye polarizers, and further includes a first substrate, an LC layer, and a second substrate which are sequentially stacked-up. The first yellow-dye polarizer is sandwiched between the LC layer and the first substrate. The second yellow-dye polarizer is sandwiched between the second substrate and the LC layer, or is disposed on the surface of the second substrate where is far from the LC layer. The polarization direction of the first yellow-dye polarizer is perpendicular to the polarization direction of the second yellow-dye polarizer. The blue backlight module provides a blue backlight source irradiating through the displaying image of the LC panel. An LCD and a method for manufacturing a yellow-dye polarizer are disclosed. The utilization efficiency of the blue backlight source is maximized, and the degree of polarization thereof is drastically increased. 1. A liquid crystal panel , oppositely stacked with a blue backlight module , wherein the liquid crystal panel comprises a first yellow-dye polarizer , a second yellow-dye polarizer , a first substrate , a liquid crystal layer , and a second substrate , the first substrate , the liquid crystal layer , and the second substrate are stacked-up in sequence , the first yellow-dye polarizer is sandwiched between the liquid crystal layer and the first substrate , the second yellow-dye polarizer is sandwiched between the second substrate and the liquid crystal layer , or is disposed on a surface of the second substrate where is far from the liquid crystal layer , a polarization direction of the first yellow-dye polarizer is perpendicular to a polarization direction of the second yellow-dye polarizer , and the blue backlight module provides a blue backlight source irradiating through a displaying image of the liquid crystal panel.2. The liquid crystal panel of claim 1 , wherein the first yellow-dye polarizer and the ...

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19-01-2017 дата публикации

SUBSTRATES HAVING POLARIZER AND COLOR FILTER FUNCTIONS, AND METHODS FOR THEIR PREPARATIONS

Номер: US20170017116A1
Автор: Fukui Toshimi
Принадлежит: EMPIRE TECHNOLOGY DEVELOPMENT LLC

A liquid crystal display glass substrate can include a plurality of red, green and blue polarizing regions configured to polarize red, green and blue light, respectively. A red, green or blue color pixel can be disposed on a respective polarizing region. Each polarizing region can include at least one array of nanostructures having parallel projections and recesses embedded in the substrate. A refractive index of the projections can be different from a refractive index of the recesses. 1. A substrate comprising: wherein the at least one array of nanostructures comprises parallel projections and recesses,', 'wherein a refractive index of the projections is different from a refractive index of the recesses,', {'sup': '−4', 'wherein each polarizing region has a transmission coefficient equal to or less than about 10for light orthogonal to the parallel projections and recesses, and'}, a red polarizing region configured to polarize light having a wavelength of about 620 nm to about 750 nm,', 'a green polarizing region configured to polarize light having a wavelength of about 495 nm to about 570 nm, and', 'a blue polarizing region configured to polarize light having a wavelength of about 450 nm to about 495 nm., 'wherein the plurality of polarizing regions comprise], 'a plurality of polarizing regions configured to polarize light, each polarizing region comprising at least one array of nanostructures embedded in the substrate,'}2. The substrate of claim 1 , wherein the parallel projections and recesses have a constant pitch.30. The substrate of claim claim 1 , wherein the refractive index of the projections is about 1.40 to about 1.64.4. The substrate of claim 1 , wherein the refractive index of the projections is about 1.51.50. The substrate of claim claim 1 , wherein the recesses comprise air with a refractive index of about 1.60. The substrate of claim claim 1 , wherein each of the recesses comprise a color pixel with a refractive index of about 1.80 to about 1.85.70. ...

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19-01-2017 дата публикации

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

Номер: US20170017118A1
Принадлежит: FUJIFILM Corporation

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

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21-01-2016 дата публикации

TRANSFLECTIVE LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20160018697A1
Автор: KASHIMA Miki
Принадлежит:

The present invention discloses a transflective liquid crystal display panel and a liquid crystal display device comprising the same. Each pixel unit of the transflective liquid crystal display panel comprises a transmission region and a reflection region. The transflective liquid crystal display panel further comprises a conductive polarizing film layer having a first polarizing direction in the reflection region and a second polarizing direction in the transmission region.

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21-01-2016 дата публикации

OPTICAL CONSTRUCTION AND DISPLAY SYSTEM INCORPORATING SAME

Номер: US20160018700A1
Принадлежит:

Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.

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16-01-2020 дата публикации

ANTI-GLARE MIRROR WITH IMAGE DISPLAY FUNCTION

Номер: US20200017029A1
Принадлежит: FUJIFILM Corporation

An anti-glare mirror with an image display function includes, in this order: an image display device; a circular polarization reflection layer A; a liquid crystal cell; and a linear polarizing plate, in which a phase difference layer such as a ¼ wavelength plate is provided between the circular polarization reflection layer A and the linear polarizing plate, and the circular polarization reflection layer A has a cholesteric liquid crystal layer obtained by curing a coating layer of a liquid crystal composition containing a polymerizable liquid crystal compound. 1. An anti-glare mirror with an image display function , the anti-glare mirror comprising , in this order:an image display device;a circular polarization reflection layer A;a liquid crystal cell; anda linear polarizing plate,wherein a phase difference layer is included between the circular polarization reflection layer A and the linear polarizing plate, andthe circular polarization reflection layer A includes a cholesteric liquid crystal layer obtained by curing a coating layer of a liquid crystal composition containing a polymerizable liquid crystal compound.2. The anti-glare mirror with an image display function according to claim 1 ,wherein the liquid crystal cell includes two substrates facing each other, a driving liquid crystal layer made of a liquid crystal sealed in a space formed between the two substrates, and an electrode formed on a surface on a side of the driving liquid crystal layer of each of the two substrates,in the driving liquid crystal layer, liquid crystal molecules are nematically aligned horizontally with respect to the two substrates in a case of no voltage application, and are nematically aligned vertically with respect to the two substrates in a case of voltage application,the driving liquid crystal layer has a ½ wavelength phase difference in a case of no voltage application,the phase difference layer is a ¼ wavelength plate C, andthe circular polarization reflection layer A, the ...

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03-02-2022 дата публикации

DISPLAY ASSEMBLY AND DISPLAY DEVICE

Номер: US20220036848A1
Автор: Chen Cheng-Hung, Li Wei
Принадлежит:

The present application discloses a display assembly and a display device. The display assembly includes a first display panel, a second display panel and a driving circuit; the second display panel is arranged in a stack with the first display panel; the first display panel and the second display panel have the same resolution, and the driving circuit outputs the same data driving signal to the first display panel and the second display panel; light emitting surfaces of the first display panel and the second display panel face the same direction. 1. A display assembly , comprising:a first display panel;a second display panel arranged in a stack with the first display panel; anda driving circuit configured to drive the first display panel and the second display panel to display pictures;wherein the first display panel and the second display panel have the same resolution, and the driving circuit outputs the same data driving signal to the first display panel and the second display panel; light emitting surfaces of the first display panel and the second display panel face the same direction.2. The display assembly according to claim 1 , wherein the driving circuit comprises:a first source electrode driving circuit configured to receive a first information source signal and output a first data driving signal to drive the first display panel; anda second source electrode driving circuit configured to receive a second information source signal and output a second data driving signal to drive the second display panel;wherein the first information source signal and the second information source signal are the same, and the first data driving signal and the second data driving signal are the same.3. The display assembly according to claim 1 , wherein the driving circuit comprises:a source electrode driving circuit configured to receive an information source signal and output a first data driving signal and a second data driving signal, wherein the source electrode driving ...

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16-01-2020 дата публикации

Optical stack for switchable directional display

Номер: US20200019006A1
Принадлежит:

A privacy display comprises a spatial light modulator and a compensated switchable 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 switchable display device comprising:a spatial light modulator;a display polariser arranged on a side of the spatial light modulator;an additional polariser arranged on the same side of the spatial light modulator as the display polariser; andplural retarders arranged between the additional polariser and the display polariser,wherein the plural retarders comprise:a switchable liquid crystal retarder comprising: a layer of liquid crystal material having a negative dielectric anisotropy and having a retardance for light of a wavelength of 550 nm in a range from 500 nm to 1000 nm; and two surface alignment layers disposed adjacent to the layer of liquid crystal material and on opposite sides thereof, each of the surface alignment layers being arranged to provide homeotropic alignment in the adjacent liquid crystal material and each of the surface alignment layers having a pretilt having a pretilt direction with a component in the plane of the layer of liquid crystal material that is parallel or anti-parallel or orthogonal to an electric vector transmission direction of the display polariser; andat least one passive compensation retarder that comprises either:a passive uniaxial retarder having its optical axis perpendicular to the plane of the retarder and having a retardance for light of a wavelength of 550 nm in a range from −300 nm to −900 nm; ora pair of ...

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16-01-2020 дата публикации

SWITCHING DEVICE AND DISPLAY DEVICE

Номер: US20200019010A1
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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16-01-2020 дата публикации

SUBSTRATE FOR ELECTRO-OPTICAL DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS

Номер: US20200019015A1
Принадлежит: SEIKO EPSON CORPORATION

An opposing substrate as a substrate for an electro-optical device includes a transparent base member and a light shielding portion disposed on a region between pixels on the base member. The light shielding portion includes a first reflective film and a second reflective film that is disposed to overlap the first reflective film and has a reflection rate lower than that of the first reflective film, and a first protective film that covers the first reflective film is provided between the first reflective film and the second reflective film. 1. An electro-optical device having a plurality of pixels including a first pixel and a second pixel adjacent to the first pixel comprising:a base member;a first color filter disposed over a surface of the base member, the first color filter being included in the first pixel;a second color filter disposed over the surface of the base member, the second color filter being included in the second pixel;a first reflective film disposed so as to overlap with a region between a first pixel and a second pixel in plan view, the first reflective film being disposed between the region and the surface of the base member;a second reflective film disposed to overlap with the first reflective film in plan view, the first reflective film being disposed between the region and the first reflective film; anda first protective film that covers the first reflective film, is provided between the first reflective film and the second reflective film.2. The electro-optical device according to claim 1 ,wherein the first reflective film including aluminum.3. The electro-optical device according to claim 1 ,wherein the first reflective film including silver.4. The electro-optical device according to claim 1 ,wherein the first reflective film including tungsten.5. The electro-optical device according to claim 1 ,wherein the second reflective film including titanium.6. The electro-optical device according to claim 1 ,wherein the second reflective film ...

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21-01-2021 дата публикации

Optical stack for switchable directional display

Номер: US20210018782A1
Принадлежит: RealD Spark LLC

A privacy display comprises a spatial light modulator and a compensated switchable 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.

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21-01-2021 дата публикации

Optical stack for switchable directional display

Номер: US20210018783A1
Принадлежит: RealD Spark, LLC

A privacy display comprises a spatial light modulator and a compensated switchable 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;a display polariser arranged on a side of the spatial light modulator;a first additional polariser arranged on the same side of the spatial light modulator as the display polariser;at least one first retarder arranged between the additional polariser and the display polariser, wherein the at least one first retarder comprises:a first switchable liquid crystal retarder comprising a layer of liquid crystal material and two surface alignment layers disposed adjacent to the layer of liquid crystal material and on opposite sides thereof, each of the surface alignment layers being arranged to provide homogeneous alignment in the adjacent liquid crystal material;a second additional polariser arranged on the same side of the spatial light modulator as the display polariser beyond the first additional polariser; andat least one second retarder arranged between the first additional polariser and the second additional polariser, wherein the at least one second retarder comprises:a second switchable liquid crystal retarder comprising a layer of liquid crystal material and two surface alignment layers disposed adjacent to the layer of liquid crystal material and on opposite sides thereof, each of the surface alignment layers being arranged to provide homogeneous alignment in the adjacent liquid crystal material; ...

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28-01-2016 дата публикации

MIRROR DISPLAY, HALF MIRROR PLATE, AND ELECTRONIC DEVICE

Номер: US20160026039A1
Принадлежит:

The present invention provides a mirror display which prevents the boundary line between a frame region and a display region from being observed in a mirror mode and which thus has improved design quality. The mirror display of the present invention includes a half mirror plate including a half mirror layer, and a display device disposed behind the half mirror plate, the display device including a display panel and a frame component that supports a peripheral portion of the display panel, and the mirror display including a reflectance adjuster that makes equal the reflectance in a display region where the half mirror layer and the display panel face each other and the reflectance in a frame region where the half mirror layer and the frame component face each other. 1. A mirror display comprisinga half mirror plate including a half mirror layer, anda display device disposed behind the half mirror plate,the display device including a display panel and a frame component that supports a peripheral portion of the display panel, andthe mirror display comprising a reflectance adjuster that makes equal the reflectance in a display region where the half mirror layer and the display panel face each other and the reflectance in a frame region where the half mirror layer and the frame component face each other.2. The mirror display according to claim 1 ,wherein the half mirror layer includes at least one reflective polarizing plate disposed in the display region and the frame region.3. The mirror display according to claim 1 ,wherein the reflectance adjuster includes a light-absorbing component disposed in the frame region.4. A half mirror plate comprisinga half mirror layer, anda reflectance adjuster that adjusts the reflectance in a display region that is configured to face a display panel and the reflectance in a frame region that is configured to face a frame component.5. An electronic device comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the mirror display ...

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10-02-2022 дата публикации

DISPLAY DEVICE

Номер: US20220043300A1
Автор: Kim Yong Seok
Принадлежит:

A display device includes a display module that includes a plurality of light emitting areas and a non-light emitting area that surrounds the light emitting areas, a first polarizer disposed on the display module, a second polarizer disposed on the first polarizer, and a liquid crystal layer disposed between the first polarizer and the second polarizer. A plurality of openings are defined in the first polarizer or the second polarizer, and the openings overlap the light emitting areas. The display device is switchable between public and private viewing modes via an external input, in which a viewing angle of the display device in the private viewing mode is narrower than in the public viewing mode. 1. A display device comprising:a display module having a plurality of light emitting areas and a non-light emitting area that at least partially surrounds the plurality of light emitting areas;a first polarizer disposed on the display module;a second polarizer disposed on the first polarizer; anda liquid crystal layer disposed between the first polarizer and the second polarizer,wherein a plurality of openings are defined in the first polarizer or the second polarizer, and the openings overlap the plurality of light emitting areas.2. The display device of claim 1 , wherein a polarization direction of the first polarizer and a polarization direction of the second polarizer are orthogonal to each other.3. The display device of claim 1 , further comprising at least one transparent substrate disposed on the display module claim 1 ,wherein at least one of the first polarizer and the second polarizer comprises a polymer and is spaced apart from the liquid crystal layer with the transparent substrate therebetween.4. The display device of claim 1 , wherein at least one of the first polarizer and the second polarizer comprises metal and is in contact with the liquid crystal layer.5. The display device of claim 1 , wherein the first and second polarizers comprise first and second ...

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10-02-2022 дата публикации

Liquid crystal display panel and method for manufacturing the same

Номер: US20220043301A1
Принадлежит: Sharp Corp

A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.

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10-02-2022 дата публикации

LIQUID CRYSTAL DISPLAY HAVING A FRONTSIDE LIGHT CONTROL FILM

Номер: US20220043309A1
Принадлежит:

A liquid crystal display comprises a backlight module comprising a reflective polarizing film, a light control film and a liquid crystal panel disposed between the backlight module and the light control film. The light control film comprises a light input surface and a light output surface opposite the light input surface and alternating transmissive and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30. 1. A liquid crystal display comprising:a backlight module comprising a reflective polarizing film;a light control film comprising:a light input surface and a light output surface opposite the light input surface, and alternating transmissive and absorptive regions disposed between the light input surface and the light output surface, wherein the absorptive regions have an aspect ratio of at least 30; anda liquid crystal panel disposed between the backlight module and the light control film.2. The liquid crystal display of further comprising a diffuse layer disposed on the light input surface or the light output surface of the light control film claim 1 , wherein the diffuse layer has a clarity of less than 70% and a haze of less than 60%.3. The liquid crystal display of wherein the diffuse layer is laminated on the light input surface or the light output surface of the light control film.4. The liquid crystal display of wherein the duty cycle of the light control film is from 70% to 99.9%.5. The liquid crystal display of wherein the diffuse layer is a volumetric diffuser.6. The liquid crystal display of wherein the diffuse layer comprises a diffusing optical adhesive comprising a polymeric matrix and polymeric particles claim 5 , the diffusing optical adhesive bonding the light input surface of the light control film to the liquid crystal panel.7. The liquid crystal display of wherein the diffusing optical adhesive is a pressure sensitive adhesive.8. The liquid crystal ...

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29-01-2015 дата публикации

MANUFACTURING METHOD FOR LIQUID CRYSTAL DISPLAY

Номер: US20150027626A1
Принадлежит: NITTO DENKO CORPORATION

A manufacturing method for a liquid crystal display panel includes slitting a first optical film having an elongate shape, to have a width corresponding to a pair of opposing sides of a liquid crystal cell, and by rolling the slit first optical film in its width direction to have a length corresponding to another pair of opposing sides of the liquid crystal cell; slitting a second optical film having an elongate shape, to have a width corresponding to a pair of opposing sides of the liquid crystal cell, and by rolling the slit second optical film in its width direction to have a length corresponding to another pair of opposing sides of the liquid crystal cell; bonding the cut first optical film onto one surface of the liquid crystal cell; and bonding the cut second optical film onto another surface of the liquid crystal cell. 1. A manufacturing method for a liquid crystal display panel including a liquid crystal cell and optical films arranged on both sides of the liquid crystal cell ,the manufacturing method comprising the steps of:cutting, while feeding a first optical film from an optical film roll, the optical film roll being obtained by slitting the first optical film having an elongate shape, which includes a reflective polarizing film having a reflection axis in its width direction and a polarizing film having an absorption axis in its width direction, so as to have a width corresponding to a pair of opposing sides of the liquid crystal cell, and by rolling the slit first optical film, the first optical film in its width direction so as to have a length corresponding to another pair of opposing sides of the liquid crystal cell;cutting, while feeding a second optical film from an optical film roll, the optical film roll being obtained by slitting the second optical film having an elongate shape, which includes a polarizing film having an absorption axis in its longitudinal direction, so as to have a width corresponding to a pair of opposing sides of the liquid ...

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23-01-2020 дата публикации

MULTI-LAYER LAYERED FILM

Номер: US20200025991A1
Принадлежит: TEIJIN FILM SOLUTIONS LIMITED

A multi-layer, layered film includes a multi-layer, alternately layered body containing birefringent first layers including a first resin and isotropic second layers including a second resin, in which the multi-layer, layered film has a layer thickness profile with which light at a wavelength of from 380 to 780 nm can be reflected due to optical interference between each of the first layers and each of the second layers, in which a layer thickness profile for an optical thickness of the first layers has a first monotonically increasing region which meets specific requirements, and in which a layer thickness profile for an optical thickness of the second layers has a second monotonically increasing region which meets specific requirements. 1. A multi-layer , layered film comprising:a multi-layer, alternately layered body containing birefringent first layers including a first resin and isotropic second layers including a second resin,wherein the multi-layer, layered film has a layer thickness profile with which light at a wavelength of from 380 to 780 nm can be reflected due to optical interference between each of the first layers and each of the second layers,wherein a layer thickness profile for an optical thickness of the first layers has a first monotonically increasing region, the first monotonically increasing region including a 1A monotonically increasing region with a maximum optical thickness of up to 100 nm and a 1B monotonically increasing region with a minimum optical thickness of over 100 nm,wherein a ratio 1B/1A of a slope 1B in the 1B monotonically increasing region to a slope 1A in the 1A monotonically increasing region is from 0.8 to 1.5,wherein a layer thickness profile for an optical thickness of the second layers has a second monotonically increasing region, the second monotonically increasing region including a 2A monotonically increasing region with a maximum optical thickness of up to 200 nm and a 2B monotonically increasing region with a ...

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29-01-2015 дата публикации

OPTICAL FILM ROLL

Номер: US20150029447A1
Принадлежит: NITTO DENKO CORPORATION

An optical film roll is disclosed capable of realizing excellent display characteristics while maintaining manufacturing efficiency. The optical film roll has a width corresponding to a pair of opposite sides of a liquid crystal cell and is used by being cut to a length corresponding to another pair of opposite sides of the liquid crystal cell to be continuously attached to a surface of the liquid crystal cell. The optical film roll includes a long optical film wound into a roll shape, the long optical film being obtained by subjecting a long optical raw film, which includes a polarizing film having an absorption axis in its width direction, to a slitting process in a machine direction while conveying the long optical raw film in its lengthwise direction. The polarizing film includes a polyvinyl alcohol-based resin film that contains a dichromatic substance and has an Nz coefficient of 1.10 or more.

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23-01-2020 дата публикации

Reflective optical stack for privacy display

Номер: US20200026125A1
Принадлежит:

A privacy display comprises a polarised output spatial light modulator, reflective polariser, plural polar control retarders and a polariser. 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. Further, display reflectivity is reduced for on-axis reflections of ambient light, while reflectivity is increased for off-axis light. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction and increased frontal reflectivity to ambient light. In a public mode of operation, the liquid crystal retardance is adjusted so that off-axis luminance and reflectivity are unmodified. 1. A display device for use in ambient illumination comprising:a spatial light modulator arranged to output light;wherein the spatial light modulator comprises a display polariser arranged on the output side of the spatial light modulator, the display polariser being a linear polariser;an additional polariser arranged on the output side of the display polariser, the additional polariser being a linear polariser;a reflective polariser arranged between the display polariser and the additional polariser, the reflective polariser being a linear polariser; andplural polar control retarders arranged between the reflective polariser and the additional polariser, wherein the plural polar control retarders comprise:a switchable liquid crystal retarder comprising: a layer of liquid crystal material with a negative dielectric anisotropy having a retardance for light of a wavelength of 550 nm in a range from 500 nm to 1000 nm; and two surface alignment layers disposed adjacent to the liquid crystal material on opposite sides thereof, wherein each of the surface alignment layers is arranged to provide homeotropic alignment in the adjacent liquid crystal material and each alignment layer has a pretilt having a pretilt direction with a component in the plane of the layer of liquid ...

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28-01-2021 дата публикации

HEAD MOUNTED DISPLAY

Номер: US20210026144A1
Принадлежит:

A head mounted display includes a first display element and a second display element that emit light to a second portion. A first portion includes a first opening and a second opening separating from the first opening. The second portion includes a first optical element portion facing the first opening in a first direction and a second optical element portion facing the second opening in the first direction. Each of the first optical element portion and the second optical element portion of the second portion includes a reflection portion reflecting light emitted from the first display element or the second display element and a light-transmittance adjustment portion controlling a transmittance of external light travelling from the second portion toward the first portion on the basis of a signal that is output from a light-transmittance control circuit. The reflection portion is arranged between the light-transmittance adjustment portion and the first portion. 1. A head mounted display comprising:a first portion configured to cover periphery of eyes of a viewer;a second portion separating from the first portion and facing the first portion; anda first display element and a second display element configured to emit light to the second portion on a basis of an image signal,wherein the first portion includes a first opening and a second opening that separates from the first opening,the second portion includes a first optical element portion that faces the first opening in a first direction and a second optical element portion that faces the second opening in the first direction, a reflection portion configured to reflect light emitted from the first display element or the second display element; and', 'a light-transmittance adjustment portion configured to control a transmittance of external light travelling from the second portion toward the first portion on a basis of a signal that is output from a light-transmittance control circuit, and, 'each of the first optical ...

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28-01-2021 дата публикации

Optical composite film, display panel and display device

Номер: US20210026196A1
Автор: Chih tsung Kang

An optical composite film includes a reflection grating film layer, a first optically-uniaxial optical film layer, and a second optically-uniaxial optical film layer. The first optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions. The plurality of refraction portions is selected from one type of camber columns and quadrangular prisms. An extraordinary light refractive index of the first optically-uniaxial optical film layer is greater than an ordinary light refractive index of the first optically-uniaxial optical film layer, and an extraordinary light refractive index of the second optically-uniaxial optical film layer is greater than an ordinary light refractive index of the second optically-uniaxial optical film layer. The ordinary light refractive index of the second optically-uniaxial optical film layer is less than the extraordinary light refractive index of the first optically-uniaxial optical film layer.

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02-02-2017 дата публикации

DISPLAY DEVICE

Номер: US20170031157A1
Автор: Koito Takeo, NUMATA Yudai
Принадлежит: Japan Display Inc.

According to one embodiment, a display device, includes a retroreflective element includes a base, and first and second retroreflectors each retroreflecting light made incident without transmitting the base, and a retarder element disposed between a display module and a polarizing element and between the retroreflective element and the polarizing element, the first and second retroreflectors being adjacent to each other, each of the first and second retroreflectors includes a recess portion on a side facing the retarder element. 1. A display device , comprising:a display module emitting display light;a polarizing element which includes a transmission axis transmitting first linearly polarized light and reflects second linearly polarized light perpendicular to the transmission axis;a retroreflective element comprising a base, and first and second retroreflectors each retroreflecting light made incident without transmitting the base; anda retarder element disposed between the display module and the polarizing element and between the retroreflective element and the polarizing element to add a retardation to transmitted light,the first and second retroreflectors being adjacent to each other,each of the first and second retroreflectors comprising a recess portion on a side facing the retarder element.2. The display device of claim 1 , whereineach of the first and second retroreflectors includes three reflective surfaces perpendicular to each other,the recess portion is surrounded by the three reflective surfaces, andan intersection portion of a first reflective surface of the first retroreflector and a second reflective surface of the second retroreflector forms a protruding portion.3. The display device of claim 2 , whereinthe three reflective surfaces are formed of a metallic thin film located on a side opposed to the retarder element of the base.4. The display device of claim 1 , whereinthe display light is circularly polarized light.5. The display device of claim 1 , ...

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04-02-2016 дата публикации

POLARIZING PLATE

Номер: US20160033699A1
Принадлежит: NITTO DENKO CORPORATION

A polarizing plate according to an embodiment of the present invention includes a polarizing film having a thickness of 10 μm or less and a protective layer provided on at least one side of the polarizing film through intermediation of an adhesion layer. The adhesion layer has a thickness of 0.7 μm or more, and the adhesion layer has a percentage of bulk water absorption of 10 wt % or less. 1. A polarizing plate , comprising:a polarizing film having a thickness of 10 μm or less; anda protective layer provided on at least one side of the polarizing film through intermediation of an adhesion layer,wherein the adhesion layer has a thickness of 0.7 μm or more, andwherein the adhesion layer has a percentage of bulk water absorption of 10 wt % or less.2. The polarizing plate according to claim 1 , wherein the polarizing film has a value for Aa×(Is/Ia) of 0.53 or more claim 1 , where:the Aa represents an absorbance of the polarizing film in an absorption axis direction thereof at a wavelength of 480 nm;{'sup': −1', '−1, 'the Ia represents a value obtained by integrating an integrated intensity distribution of an integrated intensity in a thickness direction of the polarizing film in an entire interval in the thickness direction of the polarizing film, the integrated intensity being obtained by integrating a Raman spectrum of the polarizing film in a wavenumber interval from 90 cmto 120 cm; and'}{'sub': '3', 'sup': −', '−1', '−1, 'the Is represents a value obtained by integrating an integrated intensity distribution of an integrated intensity in the thickness direction of the polarizing film in the entire interval in the thickness direction of the polarizing film, the integrated intensity being obtained by integrating Raman scattering of I that is present in a portion ranging from a polarizing film surface to a depth of 1 μm in the thickness direction of the polarizing film, and that is aligned in the absorption axis direction of the polarizing film in the wavenumber ...

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01-02-2018 дата публикации

Quantum dot polarization plate

Номер: US20180031747A1
Автор: BAI Bai

The present invention provides a quantum dot polarization plate, which includes a polarization film ( 10 ) and a quantum dot bright enhance film ( 20 ) laminated on the polarization film ( 10 ). The polarization film ( 10 ) includes a polarization layer ( 11 ) and a first protection layer ( 12 ) and a second protection layer ( 13 ) respectively located at opposite sides of the polarization layer ( 11 ). The quantum dot bright enhance film ( 20 ) is attached to the second protection layer ( 13 ). The quantum dot bright enhance film ( 20 ) is a film containing therein quantum dots ( 201 ). The quantum dot polarization plate is formed by attaching the quantum dot bright enhance film to the polarization film so as to reduce the operations for forming the quantum dot polarization plate. The quantum dot polarization plate provides light polarization and effectively expands color gamut coverage rate and also realize wide view angle of the display device and can be manufacturing with simple operations.

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01-02-2018 дата публикации

Biocular compact collimation apparatus

Номер: US20180031835A1
Автор: Michael James HOPPE
Принадлежит: Intevac Inc

A compact, lightweight, multi-wavelength display system which can be used for simultaneous viewing with both eyes is provided. The system utilizes a field flattener lens to remove abrasions introduced by the system's lenses. The system also uses a polarization selective optical element that reflects one linear polarization state while transmitting radiation of the orthogonal linear polarization state. The PS element is used in combination with a quarter wave plate and an optical element, the optical element including a partially reflective surface. The optical element may either be a single element or an optical doublet. In the latter configuration, the partially reflective surface is at the interface between the two singlets that comprise the doublet. The system also includes an image source that either alone, or in combination with other optical elements, produces circularly polarized light of the desired rotary sense.

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01-02-2018 дата публикации

ARRAY SUBSTRATE, DISPLAY PANEL, DISPLAY APPARATUS, AND METHOD FOR PRODUCING ARRAY SUBSTRATE

Номер: US20180031871A1
Автор: Suzuki Teruaki-, ZHU Ming
Принадлежит:

The present invention provides an array substrate comprising a transparent substrate and a polarizer attached on the transparent substrate, the polarizer comprises a first protective layer in contact with the transparent substrate, and a relational expression is satisfied between the first protective layer and the transparent substrate, 0≦|C|≦1.0×10, wherein C is defined by the equation 2. The array substrate according to claim 1 , wherein C=0.3. The array substrate according to claim 1 , wherein the material claim 1 , from which the first protective layer is produced claim 1 , is a mixture of a matrix material and an additive such that the photoelastic coefficient of the first protective layer satisfies the relational expression.4. The array substrate according to claim 3 , wherein the matrix material is cellulose triacetate or a cycloolefin copolymer claim 3 , and the additive is any one of methyl methacrylate claim 3 , trifluoroethyl methacrylate claim 3 , trichloroethyl methacrylate claim 3 , benzyl methacrylate claim 3 , trimethylcyclohexyl methacrylate claim 3 , and pentafluorophenyl methacrylate.5. The array substrate according to claim 1 , wherein the transparent substrate has a photoelastic coefficient of (0.5-3)×10Pa.6. The array substrate according to claim 5 , wherein the polarizer further comprises a second protective layer and a polarizing layer sandwiched between the first protective layer and the second protective layer claim 5 , and the material of the polarizing layer is polystyrene-modified cellulose triacetate or a cycloolefin copolymer.7. The array substrate according to claim 1 , wherein the transparent substrate has a thickness of 100 to 300 μm claim 1 , and the first protective layer has a thickness of 65 to 85 μm.8. A display panel comprising an array substrate as claimed in .9. The display panel according to claim 8 , wherein the array substrate comprises a pixel circuit claim 8 , and the pixel circuit is provided on a surface of the ...

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01-02-2018 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY PANEL

Номер: US20180031914A1
Автор: XIE Chang

A liquid crystal display device and a liquid crystal display panel are disclosed. A polarizer sheet disposed at a side of the array substrate includes a polarizer base and a scattering layer. A reflective layer is located at a side of the polarizer sheet corresponding to the light reflective region. A reflection surface of the reflective layer adjacent to the polarizer sheet is a flat surface. The reflection surface is used to perform a specular reflection for an incident light. The scattering layer is used to perform a diffuse reflection for a light reflected by the reflection surface. The present invention can utilize less photomask processes to realize a transflective display effect so as to reduce the manufacturing processes, the manufacturing cost and ensure the reflection effect at the same time. 1. A liquid crystal display panel , comprisingan array substrate and a color filter substrate which are disposed oppositely and at an interval, wherein, the array substrate includes multiple light reflective regions and multiple light transmissive regions disposed alternately;a liquid crystal layer disposed between the array substrate and the color filter substrate;a first polarizer sheet disposed at a side of the array substrate, and disposed corresponding to the light reflective region and the light transmissive region, wherein, the first polarizer sheet includes a polarizer base and a scattering layer; anda reflective layer located at a side of the first polarizer sheet away from the array substrate, and disposed corresponding to the light reflective region, wherein, a reflection surface of the reflective layer adjacent to the first polarizer sheet is a flat surface, wherein, the reflective layer includes an opaque metal layer directly formed on the first polarizer sheet, and made by a method of coating, sputtering, evaporation or adhering;wherein, the reflection surface of the reflective layer is used to perform a specular reflection for an incident light which is ...

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17-02-2022 дата публикации

DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20220050329A1
Принадлежит:

A display panel and a display device are provided. The display panel includes a display area including a transparent display area and an opaque display area surrounding the transparent display area. In the display area, the display panel also includes a backlight and a liquid crystal display panel. The backlight includes a first through hole corresponding to the transparent display area. The liquid crystal display panel is disposed over the backlight. The liquid crystal display panel includes a driving layer and a liquid crystal layer. The driving layer includes a first driving circuit and a second driving circuit. The liquid crystal layer includes a first liquid crystal region corresponding to the transparent display area and a second liquid crystal region corresponding to the opaque display area. The first driving circuit corresponds to the first liquid crystal region. The second driving circuit corresponds to the second liquid crystal region. 1. A display panel , comprising: a display area comprising a transparent display area and an opaque display area surrounding the transparent display area , wherein in the display area , the display panel further comprises:a backlight comprising a first through hole, wherein the first through hole corresponds to the transparent display area; and{'claim-text': ['a driving layer comprising a first driving circuit and a second driving circuit; and', 'a liquid crystal layer disposed on the driving layer, wherein the liquid crystal layer comprises a first liquid crystal region and a second liquid crystal region;', 'wherein the first liquid crystal region corresponds to the transparent display area;', 'wherein the second liquid crystal region corresponds to the opaque display area;', 'wherein the first driving circuit corresponds to the first liquid crystal region and is configured to provide a driving signal for the first liquid crystal region; and', 'wherein the second driving circuit corresponds to the second liquid crystal ...

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17-02-2022 дата публикации

LIQUID CRYSTAL DISPLAY WITH EXTERNAL RETARDER

Номер: US20220050332A1
Принадлежит:

A system includes a spatial light modulator comprising a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The spatial light modulator is characterized by a first retardation and a first phase retardation and has a first slow axis for light propagation. A voltage source is configured to apply a drive voltage to the spatial light modulator and the first retardation of the spatial light modulator is a function of the drive voltage. A retarder is positioned external to the spatial light modulator and is characterized by a second retardation and a second phase retardation. The retarder includes a second slow axis for light propagation. The second retardation has a value such that all illumination wavelengths in a set of illumination wavelengths are above or below a phase retardation value of 0.25. The set of illumination wavelengths includes at least one illumination wavelength in each of at least three different color spectrums. 1. A display system , comprising:a spatial light modulator comprising a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the spatial light modulator is characterized by a first retardation and a first phase retardation, wherein the spatial light modulator has a first slow axis for light propagation; anda retarder that is positioned external to the spatial light modulator, wherein the retarder is characterized by a second retardation and a second phase retardation, the retarder comprising a second slow axis for light propagation that is perpendicular to the first slow axis, wherein the second retardation has a value such that the retarder has a phase retardation value above 0.25 for all illumination wavelengths in a set of illumination wavelengths, wherein the set of illumination wavelengths includes at least one illumination wavelength in each of at least three different color spectrums.2. The display ...

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05-02-2015 дата публикации

LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME

Номер: US20150036082A1
Принадлежит: Samsung Display Co., Ltd.

A liquid crystal display panel includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a first polarizing element disposed under the first substrate, the first polarizing element including a first polarizing layer and a second polarizing layer having different refractive indexes, the first polarizing layer having been stretched in a direction substantially parallel to a transmitting axis of the first polarizing element, and a second polarizing element disposed on the second substrate, the second polarizing element having been stretched in a direction substantially perpendicular to a transmitting axis of the second polarizing element. 1. A liquid crystal display panel comprising:a first substrate;a second substrate facing the first substrate;a liquid crystal layer disposed between the first substrate and the second substrate;a first polarizing element disposed under the first substrate, the first polarizing element comprising a first polarizing layer and a second polarizing layer having different refractive indexes, the first polarizing layer having been stretched in a direction substantially parallel to a transmitting axis of the first polarizing element; anda second polarizing element disposed on the second substrate, the second polarizing element having been stretched in a direction substantially perpendicular to a transmitting axis of the second polarizing element.2. The liquid crystal display panel of claim 1 , wherein the first polarizing layer has a refractive index of nin the direction of the transmitting axis of the first polarizing element and a refractive index of nin a direction of a reflecting axis of the first polarizing element claim 1 , andthe reflecting axis and the transmitting axis of the first polarizing element are perpendicular to each other.3. The liquid crystal display panel of claim 2 , wherein the second polarizing layer is formed by ...

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05-02-2015 дата публикации

DISPLAY DEVICE SWITCHABLE BETWEEN MIRROR MODE AND DISPLAY MODE

Номер: US20150036085A1
Принадлежит: AU OPTRONICS CORP.

Disclosed herein is a display device switchable between a mirror mode and a display mode. The display device includes a display panel, a polarizing element and a reflective polarizer. The display panel has a light-emitting surface for emitting a polarized light. The polarizing element has an absorption axis, and is disposed on a side adjacent to the light-emitting surface. The polarizing element is switchable between a polarizing mode and a non-polarizing mode. When the polarizing element is operated in the polarizing mode, the polarizing element absorbs a polarized light in the polarization direction parallel with the absorption axis. When the polarizing element is operated in the non-polarizing mode, the polarizing element allows the polarized light emitted from the display panel to pass there through. The reflective polarizer is disposed between the display panel and the polarizing element. 1. A display device switchable between a mirror mode and a display mode , the display device comprising:a display panel having a light-emitting surface for emitting a polarized light;a polarizing element having an absorption axis and disposed on a side adjacent to the light-emitting surface, wherein the polarizing element is switchable between a polarizing mode and a non-polarizing mode, and when the polarizing element is operated in the polarizing mode, the absorption axis of the polarizing element absorbs the polarized light in a polarization direction parallel with the absorption axis, and wherein when the polarizing element is operated in the non-polarizing mode, the polarizing element allows the polarized light emitted from the display panel to pass there through; anda reflective polarizer disposed between the display panel and the polarizing element.2. The display device of claim 1 , wherein when the polarizing element is operated in the polarizing mode claim 1 , the display panel is in the mirror mode and wherein when the polarizing element is operated in the non- ...

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31-01-2019 дата публикации

LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF

Номер: US20190033657A1
Принадлежит:

A liquid crystal display includes: a lower display panel including a lower polarizing plate disposed between a lower transparent substrate and a passivation layer of the lower display panel; and an upper display panel including an upper polarizing plate disposed between an upper transparent substrate and a passivation layer of the upper display panel, wherein at least one of the lower polarizing plate and the upper polarizing plate is a reflection type polarizing plate and includes a plurality of linear patterns arranged so as to be extended in one direction and a hydrophobic layer covering at least portion of side wall portions of the linear patterns. 1. A manufacturing method of a liquid crystal display , the manufacturing method comprising:stacking metal layers on a transparent substrate;forming linear patterns in a portion of the metal layers, the linear patterns spaced so as to polarize incident light;stacking a hydrophobic layer covering surfaces of the linear patterns; andforming a passivation layer on the metal layers including the linear pattern and the hydrophobic layer.2. The manufacturing method of claim 1 , wherein:the hydrophobic layer is formed of any one of a material containing fluorine and SiOC, or is formed by performing a plasma treatment process with gas containing fluorine on the linear patterns of the metal layers.3. The manufacturing method of claim 2 , wherein:the passivation layer is formed by an inkjet process.4. The manufacturing method of claim 1 , further comprising:after the forming of the linear patterns on the metal layers, stacking a photosensitivity layer on a non-opening part of the metal layers not including the linear patterns; andafter the stacking of the hydrophobic layer, removing a portion of the hydrophobic layer together with the photosensitivity layer covering upper portions of the linear patterns of the metal layers.5. The manufacturing method of claim 4 , wherein:the hydrophobic layer is formed of any one of a material ...

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30-01-2020 дата публикации

VARIABLE REFLECTANCE MIRROR SYSTEM

Номер: US20200033667A1
Принадлежит: GENTEX CORPORATION

A window is provided that includes a first substrate, a second substrate spaced apart from the first substrate, an intermediate substrate between the first and second substrate and having a first transparent electrode on a surface proximal to the first substrate and second transparent electrode on a surface proximal to the second substrate, a first electrode on a surface of the first substrate proximal to the intermediate substrate, a second electrode on a surface of the second substrate proximal to the intermediate substrate, a light absorbing layer comprising an electrochromic medium between the first substrate and the intermediate substrate, and a light scattering layer comprising a liquid crystal material between the intermediate substrate and the second substrate. 1. A mirror comprising:a first substrate with a first surface and a second surface,at least one reflective polarizer on at least one surface of the first substrate;wherein the at least one reflective polarizer is operable to transmit light having a first polarization and reflect light having a second polarization, the second polarization comprising a different polarization from the first polarization.2. The mirror of claim 1 , wherein the substrate is a prism.3. The mirror of claim 1 , wherein an electro optic medium is positioned proximate to the reflective polarizer.4. The mirror of claim 4 , wherein the electro optic medium is an electrochromic material.5. The mirror of claim 1 , further comprising:a first electrode disposed on a surface of the first substrate;a second substrate located proximate to the first substrate and placed in a spaced-apart relationship to define a gap therebetween;a second electrode disposed on a surface of the second substrate; andan electrochromic medium disposed in the gap, the electrochromic medium operable to change a transmittance level of light therethrough in response to a voltage applied to one or more of the first and second electrodes.6. The mirror of claim 1 , ...

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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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04-02-2021 дата публикации

Optical stack for privacy display

Номер: US20210033898A1
Принадлежит:

A switchable privacy display apparatus comprises a spatial light modulator, a light control film, and a polar control retarder that comprises plural retarders arranged between a display polariser of the spatial light modulator and an additional polariser. The display achieves high image visibility to an off-axis user in a public mode of operation and high image security to an off-axis snooper in privacy mode of operation. 1. A display device comprising:a spatial light modulator arranged to output spatially modulated light, the spatial light modulator including a display polariser arranged on a side of the spatial light modulator, the display polariser being a linear polariser;an additional polariser arranged on the same side of the spatial light modulator as the display polariser, the additional polariser being a linear polariser;at least one polar control retarder arranged between the additional polariser and the display polariser, anda light control film arranged in series with the spatial light modulator, the additional polariser and the at least one polar control retarder,wherein the light control film comprises an input surface, an output surface facing the input surface, an array of transmissive regions extending between the input surface and the output surface, and absorptive regions between the transmissive regions and extending at least partway between the input surface and the output surface.2. A display device according to claim 1 , wherein the light control film has a transmittance that is 5% or more in a range of polar angles in a direction in which the array of transmissive regions repeats that is at least 80° wide.3. A display device according to claim 2 , wherein the light control film has a transmittance that is 5% or more in a range of polar angles in a direction in which the array of transmissive regions repeats that is at least 90° wide.4. A display device according to claim 2 , wherein the light control film has a transmittance that is 5% or ...

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04-02-2021 дата публикации

ELECTRO-OPTICAL DEVICE

Номер: US20210033921A1
Автор: Adachi Masaya
Принадлежит: Japan Display Inc.

An electro-optical device includes a transmission polarization axis conversion unit having a first surface and a second surface, an absorption polarization unit having transmission polarization axis in a first direction and having absorption polarization axis in a second direction, and a reflective polarization unit including a region having a transmission polarization axis in the first direction and a reflective polarization axis in the second direction, and an opening. The transmission polarization axis conversion unit can switch a first/second state, the first state is an incident light entering the first surface from the absorption polarization unit is converted into a first outgoing light of linearly polarized light in the second direction, and the first outgoing light is emitted from the second surface, the second state is the incident light converted into a second outgoing light of linearly polarized light in the first direction and emitted from the second surface. 1. An electro-optical device , comprising:a transmission polarization axis conversion unit having a first surface and a second surface opposite to the first surface;an absorption polarization unit having transmission polarization axis in a first direction and having absorption polarization axis in a second direction orthogonal to the first direction; anda reflective polarization unit including a region having a transmission polarization axis in the first direction and a reflective polarization axis in the second direction, and an opening,whereinthe transmission polarization axis conversion unit includes a first substrate, a second substrate disposed opposite the first substrate, a first transparent electrode and a second transparent electrode disposed between the first substrate and the second substrate, and a liquid crystal layer disposed between the first transparent electrode and the second transparent electrode,the absorption polarization unit disposed on a side of the first surface of the ...

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04-02-2021 дата публикации

TOUCH PANEL AND MANUFACTURING METHOD THEREOF

Номер: US20210034182A1
Автор: ZHENG Yingbo
Принадлежит:

A touch panel and a manufacturing method thereof are provided. The touch panel includes a backlight module, a first assembly, and a second assembly. The first assembly includes a first polarizer and a color filter substrate. The second assembly includes an array substrate and a second polarizer. The first polarizer, the color filter substrate, the second polarizer, and the array substrate are disposed on an upper surface of the backlight module. 1. A touch panel , comprising:a backlight module;a first assembly disposed on a surface of the backlight module; anda second assembly disposed on a surface of the first assembly away from the backlight module;wherein the first assembly comprises:a first polarizer disposed on the surface of the backlight module; anda color filter substrate disposed on a surface of the first polarizer away from the backlight module; andwherein the second assembly comprises:an array substrate disposed on a surface of the color filter substrate away from the backlight module; anda second polarizer disposed on a surface of the array substrate away from the backlight module.2. The touch panel as claimed in claim 1 , wherein the backlight module comprises:a reflector;a light guide plate disposed on a surface of the reflector;a first prismatic lens disposed on a surface of the light guide plate away from the reflector;a diffusion sheet disposed on a surface of the first prismatic lens away from the reflector; anda second prismatic lens disposed on a surface of the diffusion sheet away from the reflector;wherein the second prismatic lens is attached to the first polarizer.3. The touch panel as claimed in claim 1 , wherein a length of the color filter substrate is less than a length of the array substrate claim 1 , and a width of the color filter substrate is less than a width of the array substrate.4. The touch panel as claimed in claim 1 , further comprising:a baseplate, wherein the reflector is mounted to a surface of the baseplate;a conducting ...

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11-02-2016 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20160041426A1
Принадлежит:

Disclosed is a liquid crystal display device, including: first and second substrates, which are spaced apart from each other by a predetermined interval while facing each other; a reflective polarizing plate disposed under the first substrate, and including a first refractive index layer and a second refractive index layer, which have different refractive indexes and are repeatedly stacked; first and second compensation layers sequentially stacked on the second substrate, and an upper polarizing plate including a polarizing layer formed on the second compensation layer; and a liquid crystal layer formed between the first and second substrates. 1. A liquid crystal display device , comprising:a first substrate and a second substrate facing each other at a predetermined interval;a reflective polarizing plate disposed under the first substrate, and including a first refractive index layer and a second refractive index layer having different refractive indexes and being alternately stacked;a first compensation layer and a second compensation layer sequentially stacked on the second substrate;an upper polarizing plate comprising a polarizing layer disposed on the second compensation layer; anda liquid crystal layer disposed between the first and second substrates.2. The liquid crystal display device of claim 1 , wherein the first compensation layer comprises a positive C plate claim 1 , and the second compensation layer comprises a negative B plate.3. The liquid crystal display device of claim 2 , wherein the first compensation layer is configured to have a phase difference in a thickness direction within a range of −200 nm to −40 nm claim 2 , andthe second compensation layer is configured to have a phase difference value in a thickness direction within a range of 40 nm to 160 nm and a front phase difference value in a range of 40 to 160 nm.4. The liquid crystal display device of claim 1 , wherein the reflective polarizing plate comprises a first claim 1 , second claim 1 ...

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09-02-2017 дата публикации

ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE

Номер: US20170038640A1
Автор: Wang Yingtao
Принадлежит: BOE Technology Group Co., Ltd.

An array substrate, a liquid crystal display (LCD) panel and a display device are provided. The array substrate () includes a base substrate () and a plurality of subpixels () disposed on the base substrate (), wherein an area of each of the subpixels () includes a plurality of transmissive regions () and a plurality of reflective regions (). 1. An array substrate , comprising a base substrate and a plurality of subpixels disposed on the base substrate , wherein an area of each of the subpixels includes a plurality of transmissive regions and a plurality of reflective regions.2. The array substrate according to claim 1 , wherein the transmissive regions and the reflective regions are alternately arranged in a first direction.3. The array substrate according to claim 2 , wherein the transmissive regions and the reflective regions are alternately arranged in a second direction which is perpendicular to the first direction.4. The array substrate according to claim 1 , wherein the plurality of transmissive regions and/or the plurality of reflective regions in the area of each of the subpixels are uniformly distributed in the each of the subpixels.5. The array substrate according to claim 1 , wherein each of the subpixels is provided with a wire grid polarizer (WGP); the WGP in each of the subpixels includes a plurality of groups of metal wires in parallel arrangement disposed in the plurality of reflective regions; each reflective region is provided with one group of metal wires in parallel arrangement; and the plurality of metal wires in parallel arrangement in the WGP are configured to transmit linearly polarized light with a polarization direction perpendicular to an extension direction of the metal wires and reflect linearly polarized light with a polarization direction parallel to the extension direction of the metal wires.6. The array substrate according to claim 5 , wherein the metal wires are made of at least one selected from the group consisted of aluminum ...

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04-02-2021 дата публикации

Optical film group, display assembly and display device

Номер: US20210036264A1

A display assembly includes a display panel and at least one optical film group each disposed on a display surface. Each optical film group includes a quarter-wave plate, a reflective polarizer and an absorbing polarizer. The reflective polarizer includes a reflective portion capable of allowing light with a polarization direction parallel to a polarization axis of the reflective polarizer to pass through and reflecting light with a polarization direction perpendicular to the polarization axis. An orthographic projection of an effective light-emitting area of at least one sub-pixel is substantially within an orthographic projection of the reflective portion. The absorbing polarizer is capable of allowing light with a polarization direction parallel to a polarization axis of the absorbing polarizer to pass through and absorbing light with a polarization direction perpendicular to the polarization axis. The polarization axis of the reflective polarizer is parallel to the polarization axis of the absorbing polarizer.

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12-02-2015 дата публикации

Display panel and display apparatus having the same

Номер: US20150042896A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A display panel includes an upper plate including a first substrate, a first electrode layer formed on an inner surface of the first substrate, and an absorptive polarizing film formed on an outer surface of the first substrate and having a first polarization axis, a lower plate including a second substrate, a second electrode layer formed on an inner surface of the second substrate, and a reflective polarizing film formed on an outer surface of the second substrate and having a second polarization axis perpendicular or parallel to the first polarization axis, an LC layer filled between the upper plate and the lower plate, and an LC driving power supply connected between the first electrode layer and the second electrode layer and configured to selectively provide an LC driving voltage to the LC layer changing a polarization direction of incident light in the LC layer.

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24-02-2022 дата публикации

Optical composite sheet and display device comprising same

Номер: US20220057549A1
Принадлежит: SKC Hi Tech and Marketing Co Ltd

In the optical composite sheet according to an embodiment, optical functional elements such as a prism sheet and a light diffusion layer are combined, and a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted, so that the optical performance and color gamut can be enhanced as compared with the prior art. In particular, it is possible to minimize the decrease in luminance due to the absorption of light by the light absorbing layer while enhancing the color gamut by adjusting the lamination configuration of the optical composite sheet.

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24-02-2022 дата публикации

Display device and optical composite sheet used therein

Номер: US20220057565A1
Принадлежит: SKC Hi Tech and Marketing Co Ltd

In the display device according to an embodiment, optical functional elements such as a prism sheet and a light diffusion layer are combined, and an optical composite sheet to which a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted is used, so that the color gamut can be enhanced as compared with the prior art.

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24-02-2022 дата публикации

Optical composite sheet and display device compromising same

Номер: US20220057566A1
Принадлежит: SKC Hi Tech and Marketing Co Ltd

An optical composite sheet is disclosed. In the optical composite sheet, optical functional elements such as a prism sheet and a light diffusion layer are combined, and a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted, so that the optical performance and color gamut can be enhanced as compared with the prior art. In particular, the color transmittance of the optical composite sheet with respect to wavelength measured for each viewing angle satisfies a specific relationship, whereby it is possible to effectively reduce the color deviation with respect to the viewing angle.

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24-02-2022 дата публикации

COMPACT HEADS-UP DISPLAY

Номер: US20220057632A1
Принадлежит:

An optical system, including a reflective polarizer, and a display and a mirror disposed on a same side of, and generally facing, the reflective polarizer. The reflective polarizer may transmit at least 80% of incident light having a first polarization state and may reflect at least 80% of incident light having a second polarization state, and the mirror may reflect at least 80% of the incident light for each of the first and second polarization states. The central locations of the display, reflective polarizer, and mirror may define a midplane which includes first, second, and third regions, such that the first region includes portions of the image rays that pass at least once across the region, the second region includes portions of the image rays that pass at least twice across the region, and the third region includes portions of the image rays that pass three times across the region. The first, second, and third regions may have respective areas A, A, and A, such that A/A is greater than or equal to about 0.20, or 0.22, or 0.24, or 0.26, or 0.28, or 0.30. 1. An optical system , comprising:a reflective polarizer; anda display and a mirror disposed on a same side of, and generally facing, the reflective polarizer, for normally incident light in a predetermined wavelength range extending across at least a portion of a visible spectrum:the reflective polarizer transmitting at least 80% of the incident light having a first polarization state and reflecting at least 80% of the incident light having an orthogonal second polarization state; andthe mirror reflecting at least 80% of the incident light for each of the first and second polarization states;the display adapted to emit an image for viewing by a viewer, the emitted image comprising an emitted central image cone emitted from a central location of the display, the emitted central image cone comprising an emitted central image ray emitted from the central location of the display at a central emission angle ...

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24-02-2022 дата публикации

Display module and vehicle-mounted display device

Номер: US20220057671A1
Автор: Haifeng Xu, Kaiwen WANG

A display module and a vehicle-mounted display device are disclosed. The display module includes a middle frame, a display panel and an elastic adhesive body; the middle frame includes a first frame body, being arranged around an opening region and having a bearing surface; the display panel includes a middle portion and an edge portion; the adhesive body is located between the bearing surface and the edge portion; the middle frame further includes a second frame body, located at an edge of the first frame body and, the second frame body is located at a side of the first frame body away from the display panel, and an orthographic projection of the edge portion on a plane where the bearing surface is located at least partially overlaps with an orthographic projection of the second frame body on the plane where the bearing surface is located.

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06-02-2020 дата публикации

OPTICAL STACK INCLUDING REFLECTING-ABSORBING POLARIZER

Номер: US20200041707A1
Принадлежит:

Optical stacks are described. In particular, optical stacks including reflecting-absorbing polarizers and quarter-wave plates are disclosed. The optical core of the optical stack—which includes a reflecting-absorbing polarizer with at least one skin layer including polarizing dye—may be co-extruded or co-stretched. 1. A multilayer optical film comprising:a reflective polarizer comprising a plurality of alternating higher index first polymer layer and lower index second polymer layer, the first and second polymer layers substantially free of polarizing dye; andan absorbing polarizer coextruded and costretched with the reflective polarizer and comprising a plurality of alternating higher index third polymer layer and lower index fourth polymer layers, the third polymer layers comprising polarizing dye.2. The multilayer optical film of further comprising a skin layer thicker than the first and second polymer layers.3. The multilayer optical film of claim 1 , wherein at least one of the first and second polymer layers is birefringent.4. An emissive display comprising:an organic light emitting diode (OLED) display panel;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the multilayer optical film of disposed on the OLED display panel; and'}a retarder disposed between the multilayer optical film and the OLED display panel. Reflecting-absorbing polarizers may be reflective polarizers that include polarization-selective light absorbing elements, such as dichroic dyes. These polarizers may combine the functionality of a reflective polarizer and an absorbing polarizer. In emissive displays, such as organic light emitting diode displays (OLED displays) the emissive display panel may have a highly reflective back substrate, reducing contrast in ambient viewing conditions. Circular absorbing polarizers are typically included in these displays to reduce the reflection of ambient light. These polarizers are often thick and provide noticeable color artifacts when viewed off angle. ...

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06-02-2020 дата публикации

POLARIZATION CONVERSION ELEMENT AND OPTICAL ISOLATION DEVICE

Номер: US20200041808A1
Автор: HAN Sang Choll
Принадлежит:

The present application relates to a polarization conversion element and an optical isolation device. The present application provides a polarization conversion element capable of converting unpolarized incident light into one polarized light and an optical isolation device with an excellent optical isolation ratio comprising the polarization conversion element. Such an optical isolation device can be applied to various applications such as the field of optical communication or laser optics, the field of security or privacy protection, brightness enhancement of displays, or a use for hiding and covering. 1. A polarization conversion element for converting unpolarized incident light into one polarized light and exiting it , wherein the polarization conversion element has a transmittance of 50% or more andcomprises a retroreflector and a reflective polariscope, where among a first polarized light and a second polarized light which are a vertical mode pair to each other, the first polarized light is transmitted and the second polarized light is reflected, andwherein the retroreflector is located at a position where the second polarized light reflected by the reflective polariscope can be incident.2. The polarization conversion element according to claim 1 , wherein the one polarized light is linearly polarized light or circularly polarized light.3. The optical element according to claim 1 , wherein the retroreflector is a holographic film or a reflective oblique louver film.4. The polarization conversion element according to claim 1 , wherein the reflective polariscope is a polarizing beam splitter claim 1 , a wire grid polarizer claim 1 , a double brightness enhancement film or a cholesteric liquid crystal film.5. The polarization conversion element according to claim 4 , further comprising a retarder located in a light path of the second polarized light reflected to the retroreflector by the reflective polariscope.6. The polarization conversion element according to ...

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06-02-2020 дата публикации

Reflective optical stack for privacy display

Номер: US20200041839A1
Принадлежит:

A privacy display comprises a polarised output spatial light modulator, reflective polariser, plural polar control retarders and a polariser. 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. Further, display reflectivity is reduced for on-axis reflections of ambient light, while reflectivity is increased for off-axis light. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction and increased frontal reflectivity to ambient light. In a public mode of operation, the liquid crystal retardance is adjusted so that off-axis luminance and reflectivity are unmodified. 1. A display device for use in ambient illumination comprising:a spatial light modulator;an output polariser arranged on the output side of the spatial light modulator, the output polariser being a linear polariser;an additional polariser arranged on the output side of the output polariser, the additional polariser being a linear polariser;a reflective polariser arranged between the output polariser and the additional polariser, the reflective polariser being a linear polariser; andplural polar control retarders arranged between the reflective polariser and the additional polariser, wherein the plural polar control retarders comprise:a switchable liquid crystal retarder comprising a layer of liquid crystal material, and two surface alignment layers disposed adjacent to the layer of liquid crystal material and on opposite sides thereof, one of the surface alignment layers being arranged to provide homeotropic alignment in the adjacent liquid crystal material and the other of the surface alignment layers being arranged to provide homogeneous alignment in the adjacent liquid crystal material, and each of the surface alignment layers having a pretilt having a pretilt direction with a component in the plane of the layer of liquid crystal material that is parallel or anti- ...

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19-02-2015 дата публикации

METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20150047766A1
Принадлежит:

A method for manufacturing a liquid-crystal display device in which at least an absorptive polarizing film is arranged on a viewing side of a rectangular liquid-crystal display panel and at least the absorptive polarizing film and a reflective polarizing film are arranged on a non-viewing side thereof, the liquid-crystal display panel having a long side and a short side and of VA mode or IPS mode is provided. 1. A method for manufacturing a liquid-crystal display device in which at least an absorptive polarizing film is arranged on a viewing side of a rectangular liquid-crystal display panel and at least the absorptive polarizing film and a reflective polarizing film are arranged on a non-viewing side thereof , the liquid-crystal display panel having a long side and a short side and of VA mode or IPS mode , the method comprising a step of: a first roll of a first web of optical laminate comprising a long web of first absorptive polarizing film with a width corresponding to one of the long side or the short side of the liquid-crystal display panel and having a transmission axis in a direction orthogonal to a longitudinal direction and a first carrier film laminated via an adhesive layer to the first absorptive polarizing film;', 'a second roll of a second web of optical laminate comprising a long web of second absorptive polarizing film with a width corresponding to other one of the long side or the short side of the liquid-crystal display panel and having a transmission axis in a direction orthogonal to a longitudinal direction and a second carrier film laminated via an adhesive layer to the second absorptive polarizing film; and', 'a third roll of a third web of optical laminate comprising a long web of reflective polarizing film with a width corresponding to the other one of the long side or the short side of the liquid-crystal display panel and having a transmission axis in a longitudinal direction and a third carrier film laminated via an adhesive layer to the ...

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18-02-2021 дата публикации

DISPLAY LAMINATE WITH SINGLE PACKET BIAXIALLY BIREFRINGENT REFLECTIVE POLARIZER

Номер: US20210048571A1
Принадлежит:

Multilayer optical film reflective polarizers previously considered to have excessive off-axis color can provide adequate performance in an LC display without any high haze light diffusing layer or air gap between the reflective polarizer and the back absorbing polarizer of the display. The reflective polarizer has only one packet of microlayers, and is oriented using a standard tenter such that birefringent microlayers in the film are biaxially birefringent. The microlayers in the packet have a layer thickness profile suitably tailored to avoid excessive perceived color at normal and oblique angles. A laminate made by combining this type of reflective polarizer with an absorbing polarizer, without an air gap or any high haze light diffusing layer or structure between the polarizers, can be used and incorporated into a liquid crystal display or the like with adequate color performance both at normal incidence and oblique incidence up to a polar angle of 60 degrees. 1. An optical laminate comprising an absorbing polarizer bonded to a reflective polarizer comprising a plurality of microlayers , such that for substantially normally incident light and for at least one wavelength in a first wavelength range from 450 nm to 700 nm , the plurality of microlayers substantially reflects the incident light polarized along a block axis and substantially transmits the incident light polarized along an orthogonal pass axis , wherein the optical laminate has an optical haze of less than 20% and for light incident at 60 degrees and linearly polarized in a plane of incidence of the incident light and over a second wavelength range from 400 nm to 700 nm , the plurality of microlayers has a high frequency spectral variability of less than 0.08.2. The optical laminate of having an optical haze of less than 10%.3. The optical laminate of having an optical haze of less than 5%.4. A display comprising the optical laminate of laminated to a liquid crystal panel.5. The display of claim 4 , ...

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18-02-2021 дата публикации

SWITCHABLE POLARIZED DISPLAYS

Номер: US20210048709A1
Принадлежит:

A vehicular rearview assembly includes an electro-optic element. A first substrate defines a first element surface and a second element surface. A first polarizer is coupled to the second element surface. A second substrate is spaced away from the first substrate and defines a third element surface and a fourth element surface. An electro-optic material is positioned between the first and second substrates. A second polarizer is coupled to the second substrate. A display is configured to emit light having a first polarization toward the second polarizer. 1. A vehicular rearview assembly , comprising: a first substrate defining a first element surface and a second element surface;', 'a first polarizer coupled to the first substrate, wherein the first polarizer is an absorbing polarizer, and wherein the first polarizer is configured to transmit vertically polarized light;', 'a second substrate spaced away from the first substrate and defining a third element surface and a fourth element surface;', 'a second polarizer coupled to the second substrate, wherein the second polarizer is a reflective polarizer, and wherein the second polarizer is configured to transmit vertically polarized light; and', 'an electro-optic material positioned between the first and second substrates, wherein the electro-optic material is in direct contact with at least one of the first and second polarizers, and wherein the electro-optic material comprises a liquid crystal material;', 'a front substrate positioned adjacent to the first element surface and defining a rearward surface proximate the first element surface;', 'a concealment layer disposed on at least one of the rearward surface of the front substrate and the first element surface of the first substrate; and', 'a display configured to emit light having a first polarization toward the second polarizer., 'an electro-optic element, comprising2. The vehicular rearview assembly of claim 1 , wherein the concealment layer is positioned along ...

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18-02-2016 дата публикации

LIQUID CRYSTAL DISPLAY, SPECIAL EYEGLASSES AND DISPLAY APPARATUS

Номер: US20160048055A1
Принадлежит:

A liquid crystal display includes a liquid crystal display panel including a thin film transistor (TFT) array substrate, an opposed substrate, and a liquid crystal layer between the TFT array substrate and the opposed substrate. A lower polarizer is disposed on a side of the TFT array substrate facing away from the liquid crystal layer, and the opposed substrate is provided with a polarization analyzer. The polarization analyzer includes a plurality of polarization regions and a plurality of non-polarization regions. A portion of the polarization analyzer corresponding to the polarization region is a polarization device, and the polarization regions and non-polarization regions are arranged alternately. The LCD can improve the security and confidentiality of the information displayed on the LCD when a user views the information. And special eyeglasses and display apparatus are also provided. 1. A liquid crystal display , comprising:a liquid crystal display panel including a thin film transistor (TFT) array substrate, an opposed substrate, and a liquid crystal layer between the TFT array substrate and the opposed substrate;wherein a lower polarizer is disposed on a side of the TFT array substrate facing away from the liquid crystal layer, and the opposed substrate is provided with a polarization analyzer, and the polarization analyzer includes a plurality of polarization regions and a plurality of non-polarization regions, a portion of the polarization analyzer corresponding to the polarization region is a polarization device, and wherein the polarization regions and non-polarization regions are arranged alternately.2. The liquid crystal display according to claim 1 , wherein the polarization region projected on the opposed substrate has a stripe shape claim 1 , the non-polarization region projected on the opposed substrate has a stripe shape claim 1 , and the polarization regions and non-polarization regions are arranged alternately along a column direction or a row ...

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19-02-2015 дата публикации

DISPLAY APPARATUS AND CONTROL METHOD THEREOF

Номер: US20150049283A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A display apparatus and a control method thereof are provided. The display apparatus includes: a power supply which supplies power to elements of the display apparatus; a mirror which is switchable between a mirror mode and a transparency mode; and a controller which controls the power supply. When power is shut off from the mirror, the mirror operates in the mirror mode, and when power is supplied to the mirror, the mirror operates in the transparency mode. 1. A display apparatus comprising:a power supply configured to supply power to elements of the display apparatus;a mirror configured to operate in one of a mirror mode and a transparency mode; anda controller configured to control the power supply to to the mirror, wherein the mirror is in the mirror mode when the controller controls the power supply to shut off power supply to the mirror, and the mirror is in the transparency mode when the controller controls the power supply to supply power to the mirror, an absorption type polarizer which transmits light having a first polarization and absorbs light having a second polarization, different from the first polarization;', 'a polarizing switch which changes a polarization of light incident thereon between light having the first polarization direction and light having the second polarization, or transmits light incident thereon without changing a polarization of the light incident thereon, according to whether power is supplied by the power supply or not; and', 'a reflection type polarizer which transmits light having the first polarization and reflects light having the second polarization., 'wherein the mirror comprises2. The display apparatus as claimed in claim 1 , further comprising an image outputter configured to output an image claim 1 ,wherein the mirror displays an image which is output through the image outputter while the mirror is in the transparency mode.3. The display apparatus as claimed in claim 2 , wherein the mirror is in the mirror mode when the ...

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