U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 349/136 - With particular pretilt angle (i.e., with liquid crystal other than chiral smectic)


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein the alignment layer causes the liquid
No. of patents: 162
Last issue date: 12/20/2011


1          
NumberTitleIssue Date
8081280Method of producing UV stable liquid crystal alignment
In a liquid crystal display device, a method for creating desirable pretilt angle by means of topography of the substrates, such as a surface that is sloped with respect to the surface of the electrodes. In combination with a low pretilt but highly photo-stable alig...
12/20/2011
8004640Liquid crystal display device
A liquid crystal display device including a first substrate including a first electrode and a second substrate including a second electrode which is bonded with the first substrate through an alignment film and a liquid crystal layer. There are polymer structures fo...
08/23/2011
7973894Liquid crystal display
A transmissive liquid crystal display including a pair of substrates, a common electrode on one of the substrates, a pixel electrode on the other substrate, a liquid crystal sealed between the substrates, a polymer obtained by polymerizing a polymeric component mixe...
07/05/2011
7593082Rubbing membrane material and liquid crystal display device using the same
An alignment material for a liquid crystal display (LCD) device includes a mixture of carbon nano-tube and polyimide. ...
09/22/2009
7573555Liquid crystal display and electronic apparatus
To reduce the operation time of the manufacturing process by decreasing the delay in the time required for injecting the liquid crystal due to the projections formed on the panel for controlling the alignment of the liquid crystal. Protrusions for controlling the al...
08/11/2009
7394517Liquid crystal panel
A liquid crystal panel including a driving substrate and a counter substrate, the two substrates having a liquid crystal layer interposed therebetween. The driving substrate has pixel electrodes and transistors connected to the pixel electrodes on a surface thereof,...
07/01/2008
7340322Rubbing apparatus for liquid crystal display panel and method thereof
A rubbing apparatus and method for liquid crystal display panels are provided. The apparatus includes at least one cassette for keeping at least one mother substrate to be rubbed, an internal port for keeping at least one dummy substrate for performing alignment of ...
03/04/2008
7324175Liquid crystal display device and method of fabricating the same
When radiating light onto a liquid crystal composition containing a photosensitive material, the alignment of liquid crystal molecules is adjusted by applying a voltage to the liquid crystal composition layer, to achieve substantially orderly alignment of the liquid...
01/29/2008
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
7316831Tilted vertical alignment of liquid crystals employing inorganic thin film composition and ion beam treatment
A liquid crystal display device includes an alignment layer with constituent materials. The constituent materials have a stoichiometric relationship configured to provide a given pretilt angle. Liquid crystal material is provided in contact with the alignment layer....
01/08/2008
7280175Liquid crystal device exhibiting zernithal bistability and a cell wall for such a device
A bistable nematic liquid crystal device cell is provided with a surface alignment grating on at least one cell wall and a surface treatment on the other wall. Such treatment may be a homeotropic alignment or a planar alignment with or without an alignment direction...
10/09/2007
7251001Liquid crystal display device treated by UV irradiation
A liquid crystal display device includes a pair of substrates, a liquid crystal between substrates and alignment layers disposed on the inner surface sides of the substrates. The alignment layer is made from a material including polyamic acid containing a diamine co...
07/31/2007
7215457Apparatus and methods for modulating refractive index
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ...
05/08/2007
7209211Active matrix type liquid crystal display apparatus
A liquid crystal display apparatus having a liquid crystal panel including a pair of substrates, a plurality of electrodes formed on at least one of the pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a light source provi...
04/24/2007
7206043Liquid crystal display with irregularly shaped pixel electrode and light-shield with protrusions overlapping select corners of the pixel electrode
To display high quality images by preventing quality of images from deteriorating due to reverse tilt domains and reducing or preventing light leakage from being generated on images, an electro-optical device includes data lines, scanning lines, TFTs, and pixel elec...
04/17/2007
7154601Testing method for a polarizing plate
The testing method for a polarizing plate includes the following two types of testing: a selected light beam passing through a filter, a polarizer, a concave lens and a filter, a mirror, a concave lens and finally to a sample of a polarizing plate; the sample is rot...
12/26/2006
7145709Apparatus and methods for modulating refractive index
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ...
12/05/2006
7145618Method for controlling pretilt angle direction in a liquid crystal cell
A method is disclosed for controlling a pretilt angle direction for a liquid crystal cell comprising the steps of first setting the magnitude of pretilt angle and a plurality of pretilt angle directions in an alignment layer. This first step is achieved by irradiati...
12/05/2006
7142259Liquid crystal display with method for OCB splay-bend transition
Before starting the regular display in a liquid crystal display device of the bend alignment type, it is necessary to transition all the pixel regions in the entire display portion uniformly from splay alignment into bend alignment. However, conventionally, when app...
11/28/2006
7133112Method of manufacturing a liquid crystal display device with compensation for angle between director and alignment direction
A method of manufacturing a liquid crystal display device includes the steps of: providing a first substrate and a second substrate; forming a first alignment film on the first substrate; irradiating light to the first alignment film to obtain an acute angle of 0° ...
11/07/2006
7113240Liquid crystal display device having insulating patterns with width larger than gap in between
A liquid crystal display device in which a pair of substrates having electrodes face each other, and liquid crystal is sealed between the substrates. The liquid crystal display device includes a insulating layer that varies electric field orientations in a pixel reg...
09/26/2006
7088412Liquid crystal display apparatus
A liquid crystal display apparatus include a pair of substrates, a liquid crystal layer arranged between the pair of substrates; a plurality of electrodes formed on one substrate, and an alignment control layer formed on a face of at least one of the pair of substra...
08/08/2006
7084945Compensator having particular sequence of films and crosslinked barrier layer
Disclosed is an optical compensator for a liquid crystal display comprising a transparent polymeric support, an orientation layer, and an optically anisotropic layer, in order, and located between the support and the orientation layer, a barrier layer comprising a c...
08/01/2006
7075607Liquid crystal cell and method of manufacture
A liquid crystal cell having a first substrate with a rubbed layer provided thereon, a second substrate with a photo-aligned layer provided thereon, and a liquid crystal material provided between the substrates. ...
07/11/2006
7009750Apparatus and methods for modulating refractive index
An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ...
03/07/2006
6999155Polarization rotator, parallax barrier, display and optical modulator
A polarization rotator is provided for rotating the polarization direction of linearly polarized light by any arbitrary angle other than 90°. The device comprises a layer of liquid crystal material disposed between alignment surfaces. In one mode, a 90° twist is i...
02/14/2006
6977704Liquid crystal display
The invention relates to a liquid crystal display based on an MVA mode of multi-division alignment in which alignment states of liquid crystal molecules having a negative dielectric anisotropy are made different from each other, and provides a liquid crystal display...
12/20/2005
6967340Ion beam irradiation device and operating method thereof
An ion beam irradiation device includes a vacuum chamber and a stage on which at least two substrates may be mounted such that each substrate has an inclination angle to a horizontal plane of the vacuum chamber. The stage moves in one direction. An ion gun provided ...
11/22/2005
6958791Liquid crystal display
To reduce viewing angle dependence of γ characteristics in a normally black liquid crystal display. Each pixel 10 has a first sub-pixel 10a and a second sub-pixel 10b which can apply mutually different voltages to their res...
10/25/2005
6852374Liquid crystal display device, optical element, method of fabricating the liquid crystal display device and method of making the optical element
A liquid crystal display device includes two substrates, a liquid crystal layer sandwiched between the substrates and two alignment films, each being provided on one surface of associated one of the substrates so as to face the liquid crystal layer. The device defin...
02/08/2005
6816219Liquid crystal panel and method for manufacturing same
A liquid crystal panel has a liquid crystal layer of liquid crystal molecules sealed between a pair of substrates having alignment films thereon. Each of the films includes first and second deposited layers, each of the layers being formed of an inorganic material b...
11/09/2004
6800338Electro-optical liquid-crystal display
To provide an electro-optical liquid-crystal displays with low addressing voltages and low to moderate multiplex ratios, in particular STN displays, organic alignment layers of low layer thickness are utilized. ...
10/05/2004
6801284Liquid crystal display and method of manufacture
An active matrix type liquid crystal display composed of a liquid crystal cell 124 is described. In the liquid crystal cell 124, liquid crystals at the upper and lower interfaces of a liquid crystal layer 122 inserted between an array substrate ...
10/05/2004
6791646Liquid crystal display device having particular alignment treatments
A liquid crystal display panel comprises first and second substrates and a liquid crystal inserted therebetween. The first substrate has active elements, picture electrodes and a first alignment film, and the second substrate has a common electrode and a second alig...
09/14/2004
6710832Liquid crystal display and method of manufacture
An active matrix type liquid crystal display composed of a liquid crystal cell 124 is described. In the liquid crystal cell 124, liquid crystals at the upper and lower interfaces of a liquid crystal layer 122 inserted between an array substrate ...
03/23/2004
6700635Liquid crystal display panel
A pixel electrode is located in a pixel area defined by the intersections of the two adjacent gate lines and the two adjacent data lines, and has two linear openings extending in the transverse direction, which divide the pixel electrodes into three recta...
03/02/2004
6696110Liquid crystalline alkenyl compounds incorporating an heterocyclic five-membered ring
Liquid crystal mixtures comprising at least one of the compounds of formula (I) containing a heterocyclic five-membered ring and with a carbon-carbon double bond in the termninal group are new. ##STR1## RJ=CnH2n+1CH=CHCmH2mZ1; n=1-5; m=0-5; and q=0, 1 or ...
02/24/2004
6696114Alignment layer and a liquid crystal display using the same
An alignment layer is obtained by applying a polymer having a mesogen structure onto a substrate and irradiating this applied polymer with ultraviolet light. According to the invention, there can be provided an alignment layer capable of conferring alignm...
02/24/2004
6678035Liquid crystal display and method for fabricating the same
A liquid crystal display includes a bottom substrate with a gate wire, a data wire and thin film transistors, and a top substrate with color filters. In a method for fabricating the liquid crystal display, a pixel electrode is formed on the bottom substra...
01/13/2004
6645603Laser processing method to a glass substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements
In a laser processing method for accurately forming a convexo-concave structure on the surface of a glass substrate, a periodic optical intensity distribution of a laser beam is obtained by an interference between diffracted light beams of +1 degree and -...
11/11/2003
1          
 
Sign InRegister
Username  
Password   
forgot password?