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Class 349/96 - Polarizer


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein the cell structure includes a means
No. of patents: 1136
Last issue date: 04/23/2013


          11            
NumberTitleIssue Date
7196751Display unit comprising one large and one small display and electronic apparatus
The invention provides a display unit that displays images on both the front and the rear surfaces and that displays images brightly without increasing the electrical power consumption. A liquid crystal display unit includes two liquid crystal cells, a backlight, wh...
03/27/2007
7196763Liquid crystal display panel and method for fabricating the same
The present invention discloses a liquid crystal display panel and a method for fabricating the same including a main UV sealant on a substrate, a first dummy UV sealant outside the main UV sealant, and a second dummy UV sealant outside the first dummy UV sealant.
03/27/2007
7193777Projection screen and projection system comprising the same
A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light component, and a substrate for supporting the polarized-light selectiv...
03/20/2007
7193666Dual liquid crystal display device
Disclosed is an LCD device for performing bi-directional display. The LCD device includes first and second display units, and a light supplying unit. The first display unit includes an LCD panel and a transflective film that is disposed under the LCD panel and has l...
03/20/2007
7193248LED backlighting system
A liquid crystal display (LCD) device having non-white and white light emitting diodes and a liquid crystal display. A spectrum converting material is positioned between non-white LEDs and the LCD to convert the non-white light from the LEDs toward a white light spe...
03/20/2007
7190416Liquid crystal display with touch panel having internal front polarizer
A liquid crystal display with a touch panel is described. The liquid crystal display includes a front panel including an internal front polarizer, a liquid crystal layer, and a rear panel including a rear polarizer. A touch transparent panel is secured to the front ...
03/13/2007
7190426Scattering polarizing plate having a transmission and diffusion axis, with the transmission axis being perpendicular to the transmission axis of the polarizing plate
A reflective liquid crystal device is provided in which external light incident on a liquid crystal layer through a polarizing plate is reflected from a reflecting layer and then exits to the outside through the liquid crystal layer and the polarizing plate to displ...
03/13/2007
7187424Combination of optical films comprising a twisted a-plate and a polarizer
The invention relates to a combination of optical films comprising a twisted A-plate retarder and a polarizer, its use in displays and optical elements, and to displays comprising such a combination. ...
03/06/2007
7184115Display apparatus with two polarization compensators
A projection display apparatus (10) uses a modulation optical system (200) that includes a liquid crystal device (210) in combination with a wire grid polarization beamsplitter (240), a wire grid polarization analyzer (270) and a p...
02/27/2007
7184112Polarizing plate having cellulose ester films on opposite sides thereof and liquid crystal display employing the same
A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell is disclosed, wherein the polarizing plate comprises a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between t...
02/27/2007
7176997Liquid crystal display device and electronic apparatus
The invention provides a liquid crystal display device capable of displaying colors clearly and with high visibility in both a reflective mode and a transmissive mode. The liquid crystal display device according to the invention can be a transflective liquid crystal...
02/13/2007
7173679Transflective liquid crystal display device
This invention relates to a transflective liquid crystal display device, having a plurality of pixels (1), each comprising a liquid crystal layer (2) being sandwiched between a front and a back substrate (4, 5), a back light (10), a semi-...
02/06/2007
7169447Achromatic quarter wave film
An achromatic quarter wave film (AQWF) comprising at least one quarter wave film (QWF) and at least one half wave film (HWF), each of said QWF and HWF comprising polymerized or vitrified anisotropic material, to methods and materials for the preparation of the AQWF,...
01/30/2007
7170057Image enhancement system and method for night goggles
A dichroic type narrow-band-pass filter is used as a beamsplitter inside a night vision goggle eyepiece. The filter is combined with appropriately aligned polarizers and liquid crystal type shutter rotators movable between a “P” orientation and an “S” orient...
01/30/2007
7171095Optical device and method of manufacturing the same
An optical device comprising a substrate, a porous layer laid on the substrate having a pore diameter smaller than the wavelength of light and a crystal layer laid on the porous layer showing a refractive index greater than that of the porous layer is presented. The...
01/30/2007
7170574Trim retarders incorporating negative birefringence
The present invention relates to trim retarders used to compensate for residual birefringence created by liquid crystal display panels. In particular the present invention relates to a trim retarder with negative out-of-plane birefringence provided by a form birefri...
01/30/2007
7166321Process for the preparation of an optical compensatory sheet comprising cellulose ester film, orientation layer, and optically anisotropic layer formed of liquid crystal molecules having a fixed alignment
An optical compensatory sheet comprises a cellulose ester film, an orientation layer and an optically anisotropic layer formed of liquid crystal molecules in this order. Alignment of the liquid crystal molecules is fixed. An alkaline solution is coated on a surface ...
01/23/2007
7166339Phase contrast plate comprising one sheet of cellulose ester film containing aromatic compound
A phase retarder comprises one cellulose ester film. The retardation value of the film represented by Re450 measured at the wavelength of 450 nm is in the range of 100 to 125 nm. The retardation value of the film represented by Re590 measured at the wavelength of 59...
01/23/2007
7167309Optical compensation of cover glass-air gap-display stack for high ambient lighting
Apparatus and methods relating to display stacks wherein one or more index matching layers are utilized to minimize reflectance at the boundaries of otherwise adjacent layers. More particularly, the present invention is directed to methods and apparatus relating to ...
01/23/2007
7164458Active matrix in-plane switching type liquid crystal display and compensator arrangement
Disclosed is an in-plane switching active matrix type liquid crystal display with greater improvements on color shifting and contrast. The liquid crystal display comprises an in-plane switching type liquid crystal display panel having an active device substrate, an ...
01/16/2007
7164457Liquid crystal display
A liquid crystal display comprises: first and second panels facing each other; a compensation film and a first polarizer disposed on the first panel, the compensation film having phase retardation characteristics; and a second polarizer having a supporting film disp...
01/16/2007
7160586Cholesteric liquid crystal copolymers and additives
A cholesteric liquid crystal composition includes a) a cholesteric liquid crystal compound or a cholesteric liquid crystal precursor; and b) a compound of formula (I), formula (II) or formula (III): where, n is 1...
01/09/2007
7161298Plasma display unit
A plasma display device includes a blue phosphor composed of a compound represented by Me3MgSi2O8:Eu (where, Me is at least calcium (Ca), strontium (Sr), or barium (Ba)). Concentration of bivalent Eu ions is 45 to 95% and concentrati...
01/09/2007
7161649Method for aligning polarizer and rubbing axes in a fringe field switching liquid crystal display device
Disclosure is a method for asymmetrically aligning polarizer and rubbing axes of a fringe field switching liquid crystal display, which removes a ghost image and a rubbing mura, caused by an electric field applied to a panel under a low gray scale and dark state, by...
01/09/2007
7161737Projection screen and projection system comprising the same
A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarize-light component, and a substrate for supporting the polarized-light selective...
01/09/2007
7158297Projection screen and projection system comprising the same
A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively diffuse-reflecting a specific polarized-light component; a substrate for supporting the polarized-light selective refl...
01/02/2007
7158299Projection screen and projection system comprising the same
A projection screen includes a cholesteric liquid crystalline, polarized-light selective reflection layer for selectively diffuse-reflecting a specific polarized-light component. The layer has, on its observation-side surface, a roughened part for controlling the di...
01/02/2007
7153552Polarizing plate and display
A polarizing plate provided on a surface of a liquid crystal cell of a display, containing a polarizing element, Film A and Film B each provided on each of two surfaces of the polarizing element, wherein: (i) a surface of Film B has an adhesive layer which adheres t...
12/26/2006
7154572Liquid crystal display device
An LCD device has scratch-resistant property without using a protection sheet and can provide enhanced brightness. The LCD device includes a light path regulating member. The member includes a first prism sheet having first prisms of which apex has a round shape. Th...
12/26/2006
7154573Electro-optical device and electronic apparatus including the same
To provide an electro-optical device displaying high-contrast images in all directions due to the orthogonality of the polarization axes of the polarizers by improving the structure of the polarizers, and an electronic apparatus including the same. In an electro-opt...
12/26/2006
7148946Optical 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 region and which are combined so that circularly polarized light beams tra...
12/12/2006
7149031Polarizing filter and producing method thereof
In order to produce a polarizing filter, first and second protective films are adhered to respective surfaces of a polarized film. When M1, M2 are determined as respective coefficients of expansion by water absorption of the first and second protective...
12/12/2006
7148944Bendable display apparatus and method of manufacturing the same
A display apparatus with a plurality of display pixel sections includes glass substrate, which are formed to have a thickness that permits bending of the display apparatus, and polarizer plates, which are disposed on the glass substrates, respectively. The polarizer...
12/12/2006
7148942Protective film for polarizing plate
A protective film for polarizing plate is disclosed in which an contact angle of the surface in contact with a polarizer with respect to pure water is less than 55° and the surface in contact with a polarizer becomes hydrophilic due to a plasma treatment. In...
12/12/2006
7148945Optical device having a plurality of optical modulator units, projector equipping the same, and particular heat insulation
An optical device and a projector having the optical device is provided, which have a liquid-crystal display having, on an exit side, a first exit polarizer plate and a second exit polarizer plate arranged thermally insulated from each other and separated in an opti...
12/12/2006
7144608Color correcting polarizer
A color-correcting polarizer is provided comprising a polarizer layer and at least one discotic film layer. The discotic film layer is optically transparent within the range of visible wavelength. The discotic film layer works as a polarizer in the wavelength ranges...
12/05/2006
7142270Liquid 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 crystal display device includes a liquid crystal panel in which a liqu...
11/28/2006
7142363Diffraction element and optical device
A diffraction element having high diffraction efficiency and large wavelength-separation effect, which is excellent in mass-productivity and is formed by a simple process, is obtained. In a diffraction element having a rectangular grating formed in a surface of a tr...
11/28/2006
7140743Direct backlight module
A direct backlight module has a light guide plate, a plurality of lamp tubes, a reflecting plate and a frame. The light guide plate has a upper surface and a lower surface, and at least one surface of the light guide plate is coated with an ink layer. The lamp tubes...
11/28/2006
7142375Films for optical use and methods of making such films
Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed. ...
11/28/2006
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