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Class 349/115 - Cholesteric reflector


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein the reflector is formed of a cholesteric
No. of patents: 326
Last issue date: 01/24/2012


1                  
NumberTitleIssue Date
8102490Display element with displaying pattern feature
In order to provide a cholesteric liquid crystal display element of a structure capable of forming a color in the background by means of a low cost electrode structure and burying an Off display color completely in the background color, the color of the display part...
01/24/2012
8089592Method of forming a full color layer by injecting liquid crystals having same properties into the spaces between the partition spacers
Disclosed is a full color liquid crystal display, including a lower substrate and an upper substrate facing each other, partition spacers uniformly arranged between the lower substrate and the upper substrate to form a plurality of spaces while maintaining a cell ga...
01/03/2012
8040475Reflective morphable display device and method of feature activation
Disclosed is reflective morphable display with multi-layered depth viewing, low power consumption and few components and a method of activating various features thereof. The disclosed display includes a bi-stable reflective cholesteric liquid display crystal (ChLCD)...
10/18/2011
8023080High transmittance brightness enhanced optical element for LCD by wholly coating process
A high transmittance brightness enhanced optical element for backlight modules and liquid crystal display device is disclosed. The brightness enhanced polarizing optical element comprises a reflective polarizer film, a phase retardation film, and a polarization enha...
09/20/2011
8023079Liquid crystal display
The present invention provides a touch panel and a liquid crystal display. The liquid crystal display includes a panel, a plurality of reflective coding patterns printed on the panel, and a polarizing plate positioned on the panel, wherein the reflective coding patt...
09/20/2011
8018555Backlight device for liquid crystal display
A backlight device for a liquid crystal display device includes a light source providing light; a light waveguide plate 40 guiding light from the light source, having an emitting surface, a front surface and a bottom surface, the emitting surface adjacent to ...
09/13/2011
8013963Color filter, method of fabricating the same and liquid crystal display panel including the same
A color filter is described, including a first color filter layer, a first light absorbing layer, a second color filter pattern and a second light absorbing pattern. The first color filter layer is disposed over a substrate. The first light absorbing layer is dispos...
09/06/2011
7880837Black and white color cholesteric liquid crystal display
A cholesteric display may be formed, in some embodiments, using a single display element to produce multi-colors for display. A cholesteric material may be sandwiched between a pair of substrates, each associated with pairs of opposed electrodes that are arranged in...
02/01/2011
7852439Multi-layer display element and manufacturing method for the same
The invention relates to a multi-layer display element configured by a plurality of layers for use as a display section of electronic paper or others, and a manufacturing method for the multi-layer display element. The invention provides a multi-layer display elemen...
12/14/2010
7843535Reflective liquid crystal display assembly
The present invention provides a reflective liquid crystal display assembly, which includes a first substrate, a second substrate and a liquid crystal layer sealed between them. The present invention designs a specific surface structure of at least one of the first ...
11/30/2010
7830479Liquid crystal display and electronic paper utilizing the display
The liquid crystal display includes a first display unit, a second display unit, a light absorbing layer disposed on a bottom surface of the first display unit so as to absorb light which has entered the first display unit through a top surface thereof and which has...
11/09/2010
7787080Reflecting element and projection system comprising the same
A projection system includes a projector that emits imaging light, a polarization screen that selectively reflects, of the imaging light, only light in a specified state of polarization, and a reflecting element placed on an optical path between the projector and th...
08/31/2010
7742136Manufacturing method for sheet with anti-counterfeit functions
A sheet with anti-counterfeit functions for making counterfeiting highly difficult in the case where authentication information is recorded using the properties of cholesteric liquid crystal is provided. A cholesteric liquid crystal layer 110 having a selecti...
06/22/2010
7733447Liquid crystal display device having particular green cut filter layer and blue cut filter layer
A liquid crystal display device in which three cholesteric liquid crystal layers of selective reflection type are laminated, comprises: a first liquid crystal layer arranged on a device observation side selectively reflecting blue; a second liquid crystal layer arra...
06/08/2010
7719642Backlight device for liquid crystal display
A backlight device for a liquid crystal display device includes a light source providing light; a light waveguide plate 40 guiding light from the light source, having an emitting surface, a front surface and a bottom surface, the emitting surface adjacent to ...
05/18/2010
7710522Liquid crystal device having variable reflected wavelength
A liquid crystal device comprises a cholesteric liquid crystal material interposed between a transparent front plate and a back plate. The cholesteric liquid crystal material is switchable between a transparent state and a reflective state in response to an electric...
05/04/2010
7701537Optical diode
An optical diode. A cholesteric liquid crystal (CLC) layer has a selective reflection wavelength band with a left-handed helical structure, and a phase shifter for changing a phase difference between two intrinsic polarized light components of left-handed circularly...
04/20/2010
7652736Infrared light reflecting film
An infrared light reflecting article is disclosed and includes a visible light transparent substrate including a polymer and an infrared light reflecting cholesteric liquid crystal layer disposed on the substrate. The substrate and infrared light reflecting choleste...
01/26/2010
7633581Reflective color display device with selective reflector directly coupled to outside surface of cell wall of display element
A reflective colour display device comprising a display element including two opposed cell walls enclosing a layer of an electro-optic material, each cell wall being provided with at least one electrode on an inner surface thereof for applying an electric field acro...
12/15/2009
7630037Double-sided backlight unit with different area first and second LCD panels and having a first light-diffusing sheet between a light guide plate and light-absorbing sheet and second light-diffusing sheet between the light guide plate and the second LCD panel
A single light guide plate illuminates both first and second liquid crystal display panels opposed to each other, the second liquid crystal display panel having a larger display area than that of the first liquid crystal display panel. A light-absorbing sheet is pro...
12/08/2009
7589809Reflective plate, production method therefor, liquid crystal device, and electronic device
The invention provides a thin reflective plate having cholesteric liquid crystal that can prevent or reduce a decrease of reflection efficiency. A reflective plate includes a cholesteric liquid crystal layer, and the cholesteric liquid crystal layer includes a plura...
09/15/2009
7580098Display device
A phase-invariant layer, which is formed at areas that are not transmission areas, forces light entering the reflection areas of a transflective LCD from a backlight unit to move into transmission areas by reflection, so that the amount of light used in a transmissi...
08/25/2009
7542117Liquid crystal display device having a selective reflection layer, mobile electronic device incorporating the same, and substrate for liquid crystal display device having a selective reflection layer
A liquid crystal display device according to the present invention includes: a first substrate; a second substrate disposed so as to be closer to a viewer than the first substrate is; a liquid crystal layer provided between the first substrate and the second substra...
06/02/2009
7443464Liquid 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 that overlap with reflectors of a reflection film. Therefore, light tha...
10/28/2008
7436470Display device having liquid crystal layer and switchable optical layer
A display device including a first electrode, a liquid crystal layer positioned under and connected to the first electrode, a second electrode and a switchable optical layer. The switchable optical layer includes either a transparent state or a non-transparent state...
10/14/2008
7433002Prism-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 crystal film that can cover visible light by using cholesteric liquid c...
10/07/2008
7425794Display device
A display device of the present invention has light-emitting devices making up a plurality of pixels placed in a matrix form. In the display device of the present invention, the light-emitting devices each possesses an emissive layer and a reflective element placed ...
09/16/2008
7400370One pixel full color display device using cholesteric mixture
A LCD device (200) is disclosed that has a cholesteric compound layer (205), a backplane light (201), and one or more polarizers (203, 209) and liquid crystal smectic C* layers. The cholesteric compound layer (205) transmits ellipt...
07/15/2008
7393570Broad-band-cholesteric liquid-crystal film, process for producing the same, circularly polarizing plate, linearly polarizing element, illiminator, and liquid-crystal display
A broad band cholesteric liquid crystal film of the present invention is a cholesteric liquid crystal film obtained by coating a liquid crystal mixture containing a polymerizable mesogen compound (a), a polymerizable chiral agent (b) and a photoisomerizable material...
07/01/2008
7394506Reflective stereoscopic display with first and second liquid crystal cells
An apparatus comprising a first cell (10b), said first cell comprising a plurality of first elements (34b), said first elements being controllable between a non-reflective state, in which electromagnetic radiation having a first polarizat...
07/01/2008
7391546Discrimination medium and discrimination method using the same
A discrimination medium 10a includes a first double layered body 101 having a right-handed circular polarization polymer cholesteric liquid crystal layer 11 and a left-handed circular polarization polymer cholesteric liquid crystal layer ...
06/24/2008
7388627Discrimination 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 102, and a partial peeling layer 103. T...
06/17/2008
7385656Liquid crystal display device displaying a color mixing light and method for driving the same
A display device displaying a color by mixing light reflected by a first reflection element 22 and light reflected by a second reflection element 26 by additive color mixture, in which the light of a first wavelength reflected by the first reflection e...
06/10/2008
7382424Reflective chiral-nematic liquid crystal display with broadband reflection
A display sheet comprising a substrate carrying layers of material; including a polymer-dispersed chiral-nematic liquid-crystal layer having a first high reflection state within the visible light spectrum and a second less-reflective state in said spectrum, said sta...
06/03/2008
7372524Liquid crystal display device
An LCD includes a first substrate on which a TFT and a color filter are formed, a second substrate spaced apart from the first substrate, and a liquid crystal layer interposed between the first and second substrates. A polarizer attaches over a lower surface of the ...
05/13/2008
7369200Semi-transmission type liquid crystal display which reflects incident light coming from outside to provide a display light source and transmits light from a light source at the back
A semi-transmission type liquid crystal display that maximizes the luminance in reflection mode and transmission mode. The liquid crystal display comprises a lower substrate with thin film transistors, an opposite substrate facing the lower substrate, a liquid cryst...
05/06/2008
7365906Projection screen and projection system containing same
A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively ...
04/29/2008
7365845Optical spectrum analyzer
An optical spectrum analyzer measures to-be-measured light while carrying out calibration processing for correcting wavelength information of spectrum data of the to-be-measured light by a wavelength information correction device through a storage device based on th...
04/29/2008
7355663Polarizing plate and liquid crystal display using the same
A polarizing plate excellent in polarization performance in all wavebands from a short wavelength region to a long wavelength region and a liquid crystal display using such a polarizing plate. The polarizing plate including a polarizer has a portion having a polariz...
04/08/2008
7352422Retardation optical element and method of producing the same, and polarization element and liquid crystal display, each including retardation optical element
Provided herein is a retardation optical element 10 that produces no bright and dark fringes on a displayed image even when placed between a liquid crystal cell 104 and a polarizer 102B and thus can effectively prevent lowering of display qualit...
04/01/2008
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