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Class 349/120 - Including at least one with negative intrinsic birefringence


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein at least one of the plural compensators
No. of patents: 165
Last issue date: 03/13/2012


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NumberTitleIssue Date
8134666Liquid crystal display device
A liquid crystal display device of an in-plane switching mode comprises at least optically anisotropic members (A) and (B) and a liquid crystal cell disposed between a pair of polarizers having absorption axes disposed approximately perpendicularly to each other, wh...
03/13/2012
8107042Integrated O film comprising a negative biaxial film and a positive O film for improving the viewing angle of a TN-LCD
Disclosed herein are an integrated O film for improving a viewing angle of a TN-LCD, and a polarizer plate and TN-LCD including the same. Also disclosed herein are a compensation film which is capable of improving a contrast characteristic at a front side and an inc...
01/31/2012
7728932Liquid crystal display device with particular phase plates having specific axis angles
The present invention provides a liquid crystal display device. An optical film having negative uniaxial double refractive index ellipsoids is arranged below a semi-transmitting liquid crystal display cell and, thereafter, a λ/4 phase difference plate, a λ/2 phase...
06/01/2010
7633585Liquid crystal display including a liquid crystal molecule having two or more axes
An LCD includes a plurality of electro-optical switches (pixels), each electro-optical switch includes a plurality of liquid crystal molecules, wherein each molecule has a first portion with a first long axis (a motional axis) and a second portion with a second long...
12/15/2009
7630039Liquid crystal display device
A liquid crystal display device of the present invention is composed of a λ/4 plate 1, a λ/2 plate 2, and a polarizing plate 3 which are provided in this order from the side of a liquid crystal layer 10. Here, an angle formed between an...
12/08/2009
7619706Liquid crystal panel, liquid crystal television, and liquid crystal display apparatus
A liquid crystal panel including a liquid crystal cell having an improved contrast ratio in an oblique direction and an improved color shift in an oblique direction is provided. A liquid crystal panel according to the present invention includes: a liquid crys...
11/17/2009
7599029Liquid crystal display device having a parallel alignment type liquid crystal layer
Transflective liquid crystal display device (100.200) comprising a set of polarisers and compensators sandwiching a liquid crystal layer (15) of parallel alignement type, designed for the purpose of improving the viewing angle characteristics of the de...
10/06/2009
7548294Liquid crystal display device operating in a vertically aligned mode
A liquid crystal display device includes a first substrate and a second substrate sandwiching a liquid crystal layer therebetween, a first polarizer disposed adjacent to the first substrate at a side opposite to a side of the first polarizer facing the liquid crysta...
06/16/2009
7471361Liquid crystal display with particular phase plates having specific axis angles
The present invention provides a liquid crystal display device. An optical film having negative uniaxial double refractive index ellipsoids is arranged below a semi-transmitting liquid crystal display cell and, thereafter, a λ/4 phase difference plate, a λ/2 phase...
12/30/2008
7443473Optical compensation polarizing film achieving a higher viewing angle
An LCD device includes first and second compensation polarizing films sandwiching therebetween a homogeneously-oriented liquid crystal layer. The first compensation polarizing film includes a polarizing film having an in-plane retardation of 35 to 245 nm, wherein n1...
10/28/2008
7440056Homeotropic alignment type liquid crystal display device
A liquid crystal display device includes a first substrate having one surface on which a first electrode is provided, a second substrate which is provided with a second electrode, and a liquid crystal layer which is interposed between the first and second substrates...
10/21/2008
7438957Poly(aryletherimides) for negative birefringent films for LCDs
A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on var...
10/21/2008
7423715Liquid crystal display device with retardation layer
A liquid crystal display device includes a liquid crystal panel having a structure in which a liquid crystal layer LQ is held between a pair of electrode substrates AR, CT, a pair of polarizers PL which hold the liquid crystal panel therebetween, and a pair of optic...
09/09/2008
7403248Liquid crystal display device
The liquid crystal display device of the invention includes: a liquid crystal layer taking on a roughly vertically aligned state in the black display state: first and second polarizing plates placed to face each other so that the transmission axes are orthogonal to ...
07/22/2008
7359018Retardation optical element, process of producing the same, and liquid crystal display
The present invention provides a retardation optical element comprising a negative C plate (retardation layer) and an A plate (retardation layer), never causing the appearance of bright-and-dark patterns on the displayed image even when placed between a liquid cryst...
04/15/2008
7359020Optical devices of substantially identical crossed sheet polarizer packages with compensator having biaxial plate
Disclosed is an optical device comprising a polarizer package comprising an integrated combination of an absorbing layer and a compensator. Two of the identical polarizer packages can be crossed and used in a transmissive optical device. This polarizer package can a...
04/15/2008
7354632Optical laminate
Provided are: a long optical laminate prepared by laminating two obliquely stretched long phase-difference films so that the respective delayed-phase axes cross each other at a specified angle, while at least one of the two phase-difference films is a film containin...
04/08/2008
7352423Liquid crystal display using compensating film and manufacturing method thereof
A liquid crystal display using a compensating film includes a liquid crystal panel having upper and lower substrates, and a liquid crystal layer interposed between; a first compensating film formed over an inner surface of at least one of the upper substrate lower s...
04/01/2008
7339643Arrangements in a transflective liquid crystal display
This invention relates to a transflective liquid crystal display device (11, 21), comprising a plurality of pixels, each comprising a liquid crystal layer (12, 22), being sandwiched between front and back electrode means (13, 23; 14, 24) as well...
03/04/2008
7336330Optical film and polarizing film using the same, and method for improving view angle of the polarizing film
The invention provides an optical film prepared by laminating at least one of a first retardation film (2), having a mean in-plane refractive index of n0 and refractive index in the thickness direction of ne wherein ne−n
02/26/2008
7330232Vertically aligned liquid crystal display having negative compensation film
The present invention relates to a vertically aligned LCD (VA-LCD) comprising a negative compensation film including one or more of a first retardation film (+A-plate) satisfying the condition of nx>ny=nz and a first retardation film...
02/12/2008
7324180Laminated retardation optical element, process of producing the same, and liquid crystal display
In a liquid crystal display 90, a laminated retardation optical element 10 is placed between a polarizer 102A on the incident side and a liquid crystal cell 104, and a ˜/4 retardation film 102C 10 is placed between a polari...
01/29/2008
7321411Liquid crystal display including compensation film
A liquid crystal display is provided, which includes: a first panel; a second panel facing the first panel; a liquid crystal layer interposed between the first panel and the second panel; a biaxial compensation film disposed on an outer surface of the first panel; a...
01/22/2008
7319500Viewing angle compensation film and liquid crystal display
There is provided a liquid crystal display which exhibits preferable viewing angle characteristics even in a diagonal viewing angle. Optical retardation films of a first type that satisfy nx>ny, nz and optical retardation films of a ...
01/15/2008
7317508Optical system and method for the production of micro-structured components by microlithography
An optical system of a microlithographic exposure apparatus comprises at least one optical element (L1 to L16, 15, 16, 24) having a locally varying birefringence direction distribution that is caused by stress-induced birefringence and is at least subs...
01/08/2008
7315341Liquid crystal display device with retardation layer with different relative humidity
Disclosed is a liquid crystal display device wherein an optically anisotropic layer is formed on an optical film satisfying that Rth is 0 to 150 nm at 23° C./60% RH and the difference between Rth at 23° C./10% RH and Rth at 23° C./80% RH is 40% or less of Rth at ...
01/01/2008
7310125Reflective 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 circularly polarized light; a liquid crystal layer for varying the phase o...
12/18/2007
7301594Optical compensator for a liquid crystal display
An optical compensator includes a C-plate adapted to be coupled to a liquid crystal cell and made from a polymer. The C-plate has a layer thickness ranging from 5 to 60 μm. The polymer is polyvinyl alcohol, has a polymerization degree greater than 2000 and less tha...
11/27/2007
7288296Multilayer optical compensator, liquid crystal display, and process
A multilayer compensator includes one or more polymeric first layers and one or more polymeric second layers. The first layers comprise a polymer having an out-of-plane (Δnth) birefringence not more negative than −0.01 and not more positive than +0.01....
10/30/2007
7270858Inclined optical compensation film, method for producing the same and liquid crystal display including the same
An inclined optical compensation film formed from a non-liquid-crystal polymer, which is useful in a TN mode liquid crystal display. A substrate is coated with a non-liquid-crystal polymer to thereby form a coating film; the non-liquid-crystal polymer of the coating...
09/18/2007
7265802Liquid crystal display with a wide viewing angle using a compensation film
Disclosed is a liquid crystal display comprising a liquid crystal cell including a pair of transparent substrates, with orientation layers deposited on inner surfaces thereof, and a liquid crystal layer of liquid crystal material injected between the substrates; bia...
09/04/2007
RE39782Monolithic optical compensation device for improved viewing angle in liquid crystal displays
A monolithic O-plate optical compensator device, in accordance with the invention, comprises a plurality of thin-film compensation layers which are deposited on a single substrate. As used herein, the term “monolithic” is meant to imply that the O-plate and othe...
08/21/2007
7250200Liquid crystal cell with compensator layer and process
Disclosed is a liquid crystal cell including one or more compensator layers interposed between a constraint and liquid crystal. Each compensator layer contains a transparent amorphous polymeric birefringent material having an out-of plane birefringence more negative...
07/31/2007
7236222Liquid crystal panel and liquid crystal display apparatus
There is provided a liquid crystal panel having an improved contrast ratio in an oblique direction and an improved color shift in an oblique direction. Further, there is provided a liquid crystal panel with excellent display uniformity. The liquid crystal panel of t...
06/26/2007
7223452Optical film, method for producing the same, and image display device using the same
An optical film, which includes a laminate of a base and a birefringent layer, and which is excellent in adhesiveness between the base and the birefringent layer, is provided. The birefringent layer is formed on the base by: coating a material of the birefringent la...
05/29/2007
7223641Semiconductor device, method for manufacturing the same, liquid crystal television and EL television
A method for manufacturing a semiconductor device by a small number of processes and by a means with high usability of materials to have high-definition and a gate insulating with a high step coverage property is disclosed. According to the present invention, a meth...
05/29/2007
7221422Liquid crystal display device with particular phase plates having specific axis angles
The present invention provides a liquid crystal display device. An optical film having negative uniaxial double refractive index ellipsoids is arranged below a semi-transmitting liquid crystal display cell and, thereafter, a λ/4 phase difference plate, a λ/2 phase...
05/22/2007
7218367Optical compensation sheet and liquid crystal display
An optical compensation sheet comprising at least two optically anisotropic layers each formed by orienting an optically anisotropic compound, the orientation direction in the optically anisotropic layer plane of the optically anisotropic compound in the two optical...
05/15/2007
7211304Multilayer optical compensator, liquid crystal display, and process
A multilayer compensator includes one or more polymeric first layers and one or more polymeric second layers. The first layers comprise a polymer having an out-of-plane (Δnth) birefringence not more negative than −0.01 or not more positive than +0.01. ...
05/01/2007
7199810Beam scanning apparatus having polarization direction adjuster
A beam scanning apparatus projects a beam onto a photoconductive drum according to corresponding image data, and includes a micro polarized array which is formed to receive a beam emitted from a light source and has a plurality of polarized cells arrayed in a predet...
04/03/2007
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