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7623201 |
Liquid-crystal display
In a liquid-crystal display ( 10 ), unpolarized light from a light source ( 12 ) passes through a linear polarization separation layer ( 14 ) and strikes a liquid-crystal cell ( 16 ). The...
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7616276 |
Light recycling in a transflective LCD
The present invention provides for improved brightness and reduced power consumption in transflective displays operating in transmissive mode. The invention is based on the inclusion of a...
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7599022 |
Liquid crystal display
The present invention relates to a liquid crystal display, which comprises: a lower substrate having a reflective electrode; a lower alignment film formed on the lower substrate; an upper substrate...
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7593079 |
Optical device, light-condensing backlight system, and liquid crystal display
An optical element of the invention comprises at least three laminated circular-polarization-type-reflection polarizers (a) whose wavelength bands for selective reflection of polarized light...
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7593073 |
Optical member, method of manufacturing the same and display device having the same
An optical member includes a first liquid crystal assembly and a second liquid crystal assembly. The first liquid crystal assembly has a liquid crystal layer aligned in a first direction. Light...
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7586562 |
Liquid crystal display of OCB or VA mode
A liquid crystal display of OCB mode or VA mode comprises a backlight unit, a backlight-side polarizing plate, a liquid crystal cell of OCB mode or VA mode, and a viewer-side polarizing plate in...
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7564518 |
Reflective cholesteric displays employing circular polarizers with the polarity of the front polarizer opposite to both the back polarizer and the bragg reflection
This invention relates to a high brightness and high contrast ratio reflective cholesteric displays employing circular polarizers. The front circular polarizer has a predetermined polarity that is...
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7538836 |
Circularly polarizing plate and liquid crystal display device
The present invention provides a circularly polarizing plate comprising a polarizer and an optical layer having a value 5 of N z shown by the following equation (1), wherein the circularly...
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7538340 |
Low side emitting light source and method of making the same
A light source having a die, a substrate, and a housing is disclosed. The die has a semiconducting light emitting device thereon, the die having a top surface and a bottom surface, light being...
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7525613 |
Liquid crystal display device and display control method thereof
A liquid crystal display device comprises a liquid crystal display panel including a plurality of pixels are arrayed substantially in a matrix, and a display control circuit which sequentially...
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7525604 |
Windows with electrically controllable transmission and reflection
A window having electrically controllable transmission and reflection includes a layer of liquid crystal material and polarizers on either side thereof. Different combinations of absorptive and...
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7522234 |
Liquid crystal display device and method of fabricating the same
A liquid crystal display device includes a transparent insulating substrate, a gate line and a gate electrode on the transparent insulating substrate, a gate insulating film, an active layer, an...
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7511783 |
Optical laminated bodies, lighting equipment and area luminescence equipment
Lighting devices are disclosed that include optical laminated bodies. An exemplary optical laminated body includes a polarizing layer, a first transparent film disposed closely to a front surface...
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RE40655 |
Polarization light splitting film, backlight system and liquid crystal display having particular diffusion layer under optical rotational selection layer
A polarization light splitting film having a light receiving side and a light transmitting side. The polarization light splitting film includes an optical rotation selection layer at the light...
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7492516 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7455441 |
Linear light source, method for manufacturing the same and surface emitting device
A linear light source includes light emitting elements 5 which are arranged on a square rod-shaped printed board 4 along the longitudinal direction thereof and reflectors 6 which are arranged...
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7443585 |
Polarizer, polarization light source and image display unit using them
A polarization component, capable of efficiently reflecting an obliquely transmitted light beam toward a light source without degrading the transmission-polarization property of a perpendicular...
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7443464 |
Liquid crystal display unit
A partial polarization member is provided on a second substrate. The partial polarization member is provided corresponding to an aperture of a reflection film, and is not provided in other areas...
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7433002 |
Prism-patterned broadband reflective polarizer for liquid crystal display
The present invention is related to a method of method of manufacture of a reflective polarizing film that can improve brightness of a liquid crystal display device remarkably by making a liquid...
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7417699 |
LCD display with mirror function having top reflective polarizer and reflective black matrix
The liquid crystal display device having a mirror function includes a back light assembly, a liquid crystal display panel, a first polarizing plate, a selective reflection polarizing plate and a...
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7405780 |
Liquid-crystal display
In a liquid-crystal display ( 10 ), unpolarized light from a light source ( 12 ) passes through a linear polarization separation layer ( 14 ) and strikes a liquid-crystal cell ( 16 ). The...
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7391546 |
Discrimination medium and discrimination method using the same
A discrimination medium 10 a includes a first double layered body 101 having a right-handed circular polarization polymer cholesteric liquid crystal layer 11 and a left-handed circular...
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7388627 |
Discrimination medium and article to be discriminated
A breakable seal can be discriminated more easily than the conventional one. The discrimination medium 100 has a cholesteric liquid crystal layer 104 , a substrate layer 105 , an adhesive layer...
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7326451 |
Rotatory polarization plate, optical element, light condensation backlight system and liquid crystal display
A rotatory polarization plate capable of extracting an emission polarized light from an incident polarized light and rotating an azimuth angle of an polarization axis of the incident polarized...
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7317498 |
Viewing angle magnification liquid crystal display unit
A viewing angle magnification liquid crystal display of this invention comprising: at least a backlight system containing a polarization element (A) obtained by disposing a retardation layer (b)...
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7310125 |
Reflective liquid crystal display
A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into...
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7292292 |
Element for protection against forgery or copying containing a structured retarder and a polarizer layer
A component has a substrate ( 1 ) made of a transparent material, for example glass. On this layer ( 1 ), there is a linear polarizer ( 2 ) on which there is a layer ( 3 ) of a photo-oriented...
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7289173 |
Polarizing device, and method for manufacturing the same
A polarizing element 20 has a first undulating structure in which a plurality of linear first recesses 22 are formed parallel to one another in one surface of a transparent substrate 21 , and...
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7274418 |
Method and system for improving the contrast of LCDs using circular polarization
A display device displays images with reduced glare from external incident light. The device includes a back light located on a bottom surface of the display device to provide internal light....
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7271864 |
Coating type optical film, fabrication method thereof and liquid crystal display using the optical film
A coating type optical film has a linear polarizer formed on a high brightness optical film such as a circular polarizer formed using cholesteric liquid crystal and a phase difference film or an...
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7256847 |
Board with cholesteric layer and display having the board
In view of the above problems of the prior art, the present invention has been made, and an object of the present invention is to provide a board, which is free from coloring, has high color tone...
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7202918 |
LCD projection system and illumination device thereof
The present invention relates to an illumination device of an LCD projection system. The illumination device comprises a light source, a quarter-wave retardation and a wire grid polarizer. The...
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7148946 |
Optical device and liquid-crystal display apparatus
An optical device including a laminate of cholesteric liquid-crystal layers in which the wavelength ranges of selective reflection of circularly polarized light beams are out of visible light...
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7142270 |
Liquid crystal display device viewable from both sides using incident light from only one of the sides, and using only one reflection-polarizing plate on one of the sides
To realize at low cost a liquid crystal display device which is thin and in which display on a single liquid crystal panel can be viewed in both ways, from the front and from the back. The liquid...
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7128951 |
Retarders, circular polarizer and processes for preparing them
A retarder and circular polarizer are disclosed. They comprise at least two adjacent layers respectively formed of a composition comprising a liquid-crystalline compound, in which the...
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7126652 |
Light source device including a planar light source having a single, substantially continuous light emission area and display device incorporating the light source device
A red light source comprising an array of LEDs 102 R that emit light of a red color, a green light source comprising an array of LEDs 102 G that emit light of a green color, and a blue light...
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7110071 |
Liquid crystal display device and electronic apparatus
The invention provides a transflective liquid crystal display device in which display is bright, with high contrast, and with less dependence on the viewing angle in the transmissive display mode....
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7110054 |
Switchable color filter
The liquid crystal switchable color filter switches between three color bands and is preferably used for time-sequential color devices, as for example projection devices, direct view displays and...
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7106396 |
Display unit and electronic apparatus including a backlight disposed between two display surfaces
To provide a display device that can display images on both the front and the rear surfaces and that can display images brightly without increasing the electrical power consumption. A liquid...
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7088406 |
LCD within mirror function having top reflective polarizer
The liquid crystal display device having a mirror function includes a back light assembly, a liquid crystal display panel, a first polarizing plate, a selective reflection polarizing plate and a...
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7079207 |
Liquid crystal display
A liquid crystal display improves light utilization efficiency with a cholesteric liquid crystal filter to ensure color density enough to enable both transmission and reflection type displays. The...
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7075598 |
Circularly polarizing element having multiple low reflectance cholesteric liquid crystal layers and process for producing the same
A circularly polarizing element is a laminate of n number of cholesteric liquid crystal layers that are laminated so that the helical axis in each liquid crystal layer extends in the direction of...
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7072013 |
Liquid crystal display device having cholesteric liquid crystal polarizing film and internal retardation film and internal polarizing film
A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a first polarizing film on an outer surface of the first substrate; a liquid crystal...
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7066600 |
Projection type image display apparatus
Disclosed is a compact, light, inexpensive reflection type liquid crystal projector optical unit or reflection type liquid crystal projector which provides high brightness without contrast...
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7042536 |
Liquid crystal display element
A liquid crystal display element has a liquid crystal layer made of cholesteric liquid crystal and a circularly polarizing plate for circularly polarizing light. The liquid crystal layer has the...
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7034909 |
Super broad-band polarizing reflective material
Disclosed are super broadband circularly polarizing film materials and novels methods of fabricating and using the same. The circularly polarizing materials are made from a film of material, such...
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7030949 |
Optical display including a cholesteric layer, a display device and a diffusing layer on an exit side of the cholesteric layer
A wavelength-selecting optical element includes a cholesteric layer that reflects or transmits either of a right-handed circularly polarized light component and a left-handed circularly polarized...
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7009670 |
Achromatic quarter-wave films
The achromatic quarter-wave film of this invention has a laminated twisted nematic liquid crystal film sandwiched between two uniaxial polymer films to provide a optical component which converts...
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7006175 |
Color filter and method for manufacturing the same
A color filter and a method for manufacturing the same are provided. The color filter includes a polarizer matrix ( 202 ), which is patterned in accordance with the pixel arrangement of a liquid...
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6977700 |
Circular polarization plate and liquid crystal display device
A transflective liquid crystal display has a liquid crystal cell having a liquid crystal layer sandwiched between a pair of transparent substrates each provided with an electrode. A first polarizer...
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