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Class 349/34 - With application of holding or bias voltage (i.e., voltage which does not change the optical state of the liquid crystal)


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein a voltage applied to the liquid crystal
No. of patents: 136
Last issue date: 05/11/2010


1        
NumberTitleIssue Date
7714947Lateral ion pumping in liquid crystal displays
The present invention relates to the removal of ion (42, 44, 902) contaminations from liquid crystal layers (901) in liquid crystal display devices (900). The ions (42, 44, 902) are removed by means of so called ion pumping, which utilize...
05/11/2010
7545448Liquid crystal panel, display and driving method thereof
A liquid crystal panel, a liquid crystal display and a driving method are provided. The method comprises supplying different driving voltages in a plurality of areas of a unit pixel. The liquid crystal molecules in different areas receive different driving voltages ...
06/09/2009
7532262System for manufacturing a flat panel display
A system for manufacturing a flat panel display is provided including a display panel moving unit, and a laser unit for generating a laser beam, wherein the laser unit comprises a mask for selectively passing the laser beam, a reducing lens for reducing the laser be...
05/12/2009
7433007Pixel structure for liquid crystal display
The present invention builds a metal electrode that is controlled by the common electrode in each pixel cell. During operation, a voltage is first applied to this metal electrode to transform the liquid crystal molecule over this metal electrode from the splay state...
10/07/2008
7359010Method for producing display device
In a liquid crystal display device, a first substrate includes electrical wirings and a semiconductor integrated circuit which has TFTs and is connected electrically to the electrical wirings, and a second substrate includes a transparent conductive film on a surfac...
04/15/2008
7355669Liquid crystal display with a conductive column having a ground column directly contacting a first electrode surrounded by a seal
A liquid crystal display is provided including a first substrate, a second substrate, and a liquid crystal retained between the first substrate and the second substrate. The liquid crystal display also comprises at least one first conductive column formed on the fir...
04/08/2008
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
7339570Data signal line drive circuit, drive circuit, image display device incorporating the same, and electronic apparatus using the same
An image display device includes two data signal line drive circuits and two scan signal line drive circuits configured differently from each other. Different data signal line drive circuits and scan signal line drive circuit are compatible with different display fo...
03/04/2008
7322861Power supply circuit for removable automotive interior systems with integrated switching function
An electrical power supply system includes a vehicle interior trim member selectably mountable to a vehicle interior. The vehicle interior trim member includes an electrical load device and a releasable connector having a fixed terminal contact for receiving power f...
01/29/2008
7279730Light sensing element, array substrate having the same and liquid crystal display apparatus having the same
In a light sensing element having simplified structure, an array substrate having the light sensing element and an LCD apparatus having the light sensing element, the light sensing element includes a first electrode, a control electrode and a second electrode. An al...
10/09/2007
7274422Liquid crystal display panel
The invention relates to an LCD panel for preventing the generation of blur due to ionic impurities. The LCD panel comprises a first substrate having a common electrode; a second substrate having an active area; a seal pattern along the periphery of said active area...
09/25/2007
7253440Semiconductor device having at least first and second thin film transistors
A semiconductor device having a substrate having an insulating surface; at least first and second semiconductor islands formed over the substrate where each of the semiconductor islands has a channel region and a pair of impurity regions; an insulating film formed o...
08/07/2007
7245328Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch
A polarization controller includes: a liquid crystal cell; a mechanism for determining a compensation voltage; and a voltage driving circuit for applying the compensation voltage to the liquid crystal cell, where the application of the compensation voltage optimizes...
07/17/2007
7202926Cholesteric reflective retardation optical element with directors at top surface of optical element parallel to those at the bottom surface of the 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...
04/10/2007
7193625Methods for driving electro-optic displays, and apparatus for use therein
A method for addressing a bistable electro-optic display having at least one pixel comprises applying an addressing pulse to drive the pixel to a first optical state; leaving the pixel undriven for a period of time, thereby permitting the pixel to assume a second op...
03/20/2007
7190338Data signal line drive circuit, drive circuit, image display device incorporating the same, and electronic apparatus using the same
An image display device includes two data signal line drive circuits and two scan signal line drive circuits configured differently from each other. Different data signal line drive circuits and scan signal line drive circuit are compatible with different display fo...
03/13/2007
7167228Liquid crystal display device with two kinds of projected portions on a substrate
A liquid crystal display device includes first and second substrates, a liquid crystal layer sandwiched between the first and second substrates, a pixel electrode formed on the first substrate, and a counter electrode formed on the second substrate. A plurality of p...
01/23/2007
7151511Electro-optical device and driving method of the same
In the electro-optical device for carrying out an image display by using n-bit (n is a natural number) digital image signals, one pixel incorporates n×m (m is a natural number) memory circuits, and has a function to store the digital image signals for m frames in t...
12/19/2006
7116302Process of operating active matrix display device having thin film transistors
A process of operating an active matrix display device having thin film transistors by supplying an address signal to a gate of a first thin film transistor so the first thin film transistor is in an ON state, by applying a data signal to one of a pair of impurity r...
10/03/2006
7081873Driving method of liquid crystal display device and liquid crystal display device
In a liquid crystal display device that uses a liquid crystal material having spontaneous polarization and is actively driven by a TFT, a voltage corresponding to image data is applied twice by driving the TFT of each pixel electrode on a line by line basis of a liq...
07/25/2006
7030941Liquid crystal display device
A liquid crystal display device includes a first substrate and a second substrate, which are arranged to face each other in an opposed manner by way of liquid crystal material, first electrodes which are formed in a pixel region of a liquid-crystal-side surface of t...
04/18/2006
7019728LCD for speeding initial bend state, driver and method thereof
The present invention is directed to a liquid crystal display device and a method for driving the same for a fast transition into a bend state at initial operation such as immediately after power is inputted in a liquid display device with an OCB mode. According to ...
03/28/2006
6992652Liquid crystal display device and driving method thereof
It is one of objects to provide a liquid crystal display device capable of low power consumption, with a driver circuit having a new circuit structure and a pixel. In the liquid crystal display device displaying an image using an n bit digital image signal (n is an ...
01/31/2006
6975345Polarizing modulator for an electronic stereoscopic display
A polarizing modulator for use in an electronic stereoscopic display system having a sequentially scanning display includes a plurality of liquid crystal segments arranged contiguously in a direction of the sequential scan. The liquid crystal material used in each s...
12/13/2005
6975380Method of manufacturing a liquid crystal display device
A smectic liquid crystal, typically, ferroelectric liquid crystal is uniformly orientated as follows: a space is provided as a dummy region in an area outside a panel region where a liquid crystal inlet is placed; two substrates are overlapped and cut into panels of...
12/13/2005
6950171Liquid crystal color switch and method of manufacture
This invention involves one kind of liquid crystal color light switch, made especially from cholesteric liquid crystals. By changing the voltage applied, the reflection wavelength of the color light switch can be controlled, leading to a rapid change of the reflecte...
09/27/2005
6937309LIQUID CRYSTAL DISPLAY/OPTICAL RETARDATION COMPENSATOR COMBINATION IN WHICH VARIATIONS IN THE DISPERSION OF LIGHT IN THE LIQUID CRYSTAL AND/OR IN THE COMPENSATOR MATERIALS MINIMIZE UNDESIRED SCREEN COLORATION
The liquid crystal display device is composed of at least one optical retardation compensator plate 2 (and 3) inserted between a liquid crystal display element 1 and polarizer plates 4 and 5. The liquid crystal display element 1...
08/30/2005
6930750Liquid crystal optical element and three-dimensional display system including the liquid crystal optical element
A liquid crystal optical element includes two substrates, a liquid crystal layer, and at least two electrodes. The liquid crystal layer is provided between the substrates and includes liquid crystal molecules and dichroic dye molecules. The at least two electrodes a...
08/16/2005
6917349Displaying information on passive storage medium
A way of displaying information on a passive storage medium for an active storing device. The passive storage medium comprises a storage unit to store information. The passive storage medium further comprises a display to display status information relating to the i...
07/12/2005
6909412Method for driving liquid crystal of thin film transistor liquid crystal display
A method for driving a liquid crystal of a thin film transistor liquid crystal display, the method comprising the steps of applying a first voltage corresponding to a real data during a data voltage applying frame and applying a second voltage for maintaining a bend...
06/21/2005
6888583Method and apparatus for adjusted DC offset potential in a liquid crystal display (LCD) device
Methods and apparatus for adjusting or reducing intrinsic DC offset potential in a Liquid Crystal Display (LCD) are taught. The methods allow the upper and lower assemblies of the LCD device to be manufactured with selected materials while achieving adjusted or redu...
05/03/2005
6874893Laser display system
A laser display system is disclosed, to remove speckles displayed on a screen, which includes at least one laser as light source, at least one filter transmitting or reflecting a particular wavelength of red, green and blue light generated in the laser, and mixing t...
04/05/2005
6812914Method of image sticking prevention and recovery treatment for ferroelectric liquid crystal device
Disclosed is a method of treatment for preventing the occurrence of image sticking and recovering from image sticking in a ferroelectric liquid crystal device. By applying a low-frequency AC voltage to the ferroelectric liquid crystal device, multiple domains are fo...
11/02/2004
6806871Driver IC, electro-optical device and electronic equipment
A liquid crystal driver IC comprising: a power circuit; an electric volume for varying an output voltage from the power circuit; a temperature detector; and a correction table for storing an electric volume control value corresponding to a temperature detected by th...
10/19/2004
6803976LCD having electrode(s) outside display area which adsorb ionic impurities
A liquid crystal display device of the present invention includes: a pair of substrates opposing each other; a liquid crystal layer interposed between the pair of substrates; a plurality of switching elements arranged in a matrix pattern on one of the pair of substr...
10/12/2004
6775044Wavelength compensation in a WSXC using off-voltage control
A tunable liquid crystal switch is disclosed. An electronic controller provides an electronic drive scheme for achieving low intra-channel crosstalk of less than −40 dB using only electronic compensation. A cross-talk less than −50 dB is provided by combining co...
08/10/2004
6727874Driving circuit and driving method of color liquid crystal display, and color liquid crystal display device
A driving circuit of a color liquid crystal display is provided which is capable of reducing a substrate packaging area and using a common substrate or TCP (Tape Carrier Package) even when a resolution and/or the number of gray scale voltages that the color liquid c...
04/27/2004
6671009Liquid 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, conventionall...
12/30/2003
6657681Liquid crystal panel
A liquid crystal panel 1 comprises a plurality of liquid crystal display areas (picto-display area A and the dot-display area C) which are controlled and driven by different driving manners (different driving voltages), an electrode section B is disposed ...
12/02/2003
6646691Active-matrix in-plane switching mode LCD panel having multiple common electrode voltage sources
An in-line switching mode LCD panel has three groups of common electrode lines corresponding to three colors defined by color layers in the pixels. The potentials of the groups of the common electrode lines are adjusted independently of one another so tha...
11/11/2003
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