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Junichi Ohwada Patents
Inventor:
Ohwada; Junichi
Address:
Mobara, JP
No. of patents:
37
Patents:




Patent Number Title Of Patent Date Issued
7359024 Structure of liquid crystal display device for easy assembly and disassembly April 15, 2008
A liquid crystal display device includes first and second substrates with a liquid crystal layer therebetween, and a transparent conductor which is formed at a liquid crystal side of at least one of the first and the second substrates. At least a projected portion is formed on the tr
7262822 Structure of liquid crystal display device for easy assembly and disassembly August 28, 2007
A liquid crystal display device which includes a liquid crystal display panel, a metal shield casing covering a periphery of the liquid crystal display panel, a plurality of fluorescent lamps arranged below the liquid crystal panel, a back light support supporting the plurality of fl
6862068 Liquid crystal display device having particular pixel electrodes and particular counter electrod March 1, 2005
A liquid crystal display device includes a first substrate. A second substrate is facing the first substrate. A liquid crystal layer is interposed between the first and second substrates. At least one pixel area is defined by a plurality of gate lines and a plurality of drain lines a
6856362 Structure of liquid crystal display device for easy assembly and disassembly February 15, 2005
A liquid crystal display device includes a liquid crystal display panel and a metal shield casing which covers a periphery of the liquid crystal display panel. The metal shield casing has a plurality of fixing pawls and a plurality of fixing hooks.
6724455 Color liquid crystal display device using color filter and liquid crystal layer with d.cndot..DE April 20, 2004
A liquid crystal display device having a pair of substrates with a liquid crystal layer interposed between the pair of substrates. One of the pair of substrates includes a plurality of scanning electrodes, a plurality of signal electrodes arranged so as to cross the plurality of scanning
6650388 Liquid crystal display device having particular counter electrodes November 18, 2003
A liquid crystal display device includes a first substrate. A second substrate is facing the first substrate. A liquid crystal layer is interposed between the first and second substrates. At least one pixel area is defined by a plurality of gate lines and a plurality of drain lines a
6466282 Structure of liquid crystal display device for easy assembly and disassembly October 15, 2002
A liquid crystal display device including a liquid crystal display panel, a first driver circuit substrate, a second driver unit substrate and a flexible connector. The first driver circuit substrate provides electrical connection for at least one driver chip for the liquid crystal displ
6407792 Liquid crystal display device with counter electrodes having holes in the In-Plane Switching Mod June 18, 2002
A liquid crystal display device includes a first substrate and a second substrate facing the first substrate. A liquid crystal layer is provided between the first and second substrates. First and second gate lines are extending in a first direction, and first and second drain lines are
6341004 Liquid crystal display device with common electrode arrangement January 22, 2002
A liquid crystal display device including a pair of substrates, a liquid crystal layer interposed between the pair of substrates, a plurality of first common electrodes extending in a direction and being formed on one substrate of the pair of substrates, and a second common electrode
6195148 Structure of liquid crystal display device for easy assembly and easy disassembly February 27, 2001
A liquid crystal display device including a liquid crystal display panel, a first driver circuit substrate, a second driver unit substrate and a flexible connector. The first driver circuit substrate provides electrical connection for at least one driver chip for the liquid crystal displ
6133970 Liquid crystal display device October 17, 2000
A liquid crystal display has excellent viewing angle characteristics and prevents any reduction of transmittance. A liquid crystal panel has a pair of substrates SUB1, SUB2 sandwiching a liquid crystal layer LC, at least one of the substrates having electrodes DTM for selecting pixels,
6124915 Liquid crystal display device with arrangement of common electrode portion and image signal elec September 26, 2000
A liquid crystal display device has a plurality of pixel elements, the optical transmissivity of which is varied by suitable electrical signals. The liquid crystal display device has electrodes which apply electric fields to a liquid crystal layer, the electric fields having components i
5949502 Liquid crystal device having resistor elements September 7, 1999
A liquid crystal display device in which counter-measures are taken for static electricity from the step of forming wiring lines of a substrate on the side where thin film transistors or switching elements are formed to the step of completing module mounting is suited for improving the
5897188 Structure of liquid crystal display device with two driver circuit substrates partially superpos April 27, 1999
A liquid crystal display device which comprises: a shield casing made of a metal plate and having fixing pawls and fixing hooks; an middle frame for holding a liquid crystal display; and a lower casing for packaging back lights, wherein the fixing pawls of said shield casing are bent in
5844255 Structure of liquid crystal display device for antireflection December 1, 1998
The i-type semiconductor layer (AS) and the gate insulating film (GI) are patterned along and in the same shape as the video signal lines (DL) between the video signal lines (DL) and the first transparent glass substrate (SUB1 ). The backlight is disposed on the second transparent gl
5748179 LCD device having driving circuits with multilayer external terminals May 5, 1998
A liquid crystal display device is provided which reduces the resistance of input wires disposed between a flexible board and driving ICs mounted in a flip-chip style, and enhances resistance against electrocorrosion of input terminals thereof. The liquid crystal display device includes
5739880 Liquid crystal display device having a shielding film for shielding light from a light source April 14, 1998
In a liquid crystal display in which the region around a display region is reduced, a black matrix BM is made of a colored organic resin. Substantially all over the periphery of a seal member SL, there are formed portions in which the seal member SL and the black matrix BM are and are
5737051 Liquid crystal display device April 7, 1998
The liquid crystal display device has a plurality of pixel elements, the optical transmissivity of which is varied by suitable electrical signals. The liquid crystal display device has electrodes which apply electric fields to a liquid crystal layer, the electric fields having components
5680183 Structure of liquid crystal display device for easy assembly and disassembly October 21, 1997
A liquid crystal display device which comprises: a shield casing made of a metal plate and having fixing pawls and fixing hooks; an middle frame for holding a liquid crystal display; and a lower casing for packaging back lights, wherein the fixing pawls of said shield casing are bent in
5668649 Structure of liquid crystal display device for antireflection September 16, 1997
The i-type semiconductor layer (AS) and the gate insulating film (GI) are patterned along and in the same shape as the video signal lines (DL) between the video signal lines (DL) and the first transparent glass substrate (SUB1). The backlight is disposed on the second transparent gla
5650796 Matrix liquid crystal display having function to correct viewing angle July 22, 1997
A liquid crystal display capable of changing the polarities of voltages to be applied to a liquid crystal for every scanning line, so as to correct viewing angle characteristics. The liquid crystal display includes: a circuit for generating a view angle correcting signal on the basis of
5640174 Method of driving an active matrix liquid crystal display panel with asymmetric signals June 17, 1997
A method for driving a liquid crystal display device including a TFT liquid crystal display panel. The TFT liquid crystal display panel includes a plurality of pixel electrodes, a common electrode opposing the pixel electrodes, and a liquid crystal layer disposed between the pixel el
5598285 Liquid crystal display device January 28, 1997
A liquid crystal display device has a plurality of pixel elements, the optical transmissivity of which is varied by suitable electrical signals. The liquid crystal display device has electrodes which apply electric fields to a liquid crystal layer, the electric fields having components i
5541748 Liquid crystal display having patterned insulating and semiconductor layers and a method of fabr July 30, 1996
A liquid crystal display provided with a matrix of inverted-stagger thin-film transistors has a plurality of gate insulating films formed over gate lines and including one insulating film formed in contact with gate electrodes of the thin-film transistors and in self-alignment with gate
5537054 Method for testing an on-off function of semiconductor devices which have an isolated terminal July 16, 1996
A testing method is provided for a semiconductor device which includes a control terminal and a pair of main terminals wherein one of the main terminals is isolated from the outside by a dielectric. First, a voltage which changes with time is applied to the isolated main terminal through
5510918 Liquid crystal display device with a structure of improved terminal contact April 23, 1996
The gate terminal GTM is formed of the aluminum film g and the transparent conductive film dl, which is deposited on the aluminum film g. The gate terminal GTM is formed at its side with a connection portion where the transparent conductive film dl is not provided but where a connection
5432626 Liquid crystal display device with shield casing connected to frame holding the display above lo July 11, 1995
A liquid crystal display device which includes a shield casing made of a metal plate and having fixing pawls and fixing hooks, an middle frame for holding a liquid crystal display, and a lower casing for packaging back lights. The fixing pawls of said shield casing are bent in correspond
5283566 Plane display February 1, 1994
A plane display includes a plurality of pixel capacitors, each of which includes first and second electrodes and a non-linear optical material disposed therebetween. A plurality of storage capacitors are respectively provided in association with the plurality of pixel capacitors, each of
5250937 Half tone liquid crystal display circuit with an A.C. voltage divider for drivers October 5, 1993
A half tone liquid crystal display circuit is disclosed including a voltage divider using as a reference voltage a voltage which is approximately determined on the basis of a point of intersection of the extensions of straight lines along the gradients of brightness-voltage characteristi
5091722 Gray scale display February 25, 1992
A gray scale display, which is provided with a liquid crystal panel consisting of switching elements and a liquid crystal layer superposed thereon; a digital-time function transforming device for transforming digital signals including gray scale information into time function signals
5021774 Method and circuit for scanning capacitive loads June 4, 1991
A high-speed scanning method uses a K(K.gtoreq.3)-number of semiconductor switch elements each having a first main electrode responsive to an input signal, a second main electrode, and a control electrode responsive to a control signal for controlling the transmissive and intransmissive
4942441 Thin film semiconductor device and method of manufacturing the same July 17, 1990
Complementary thin fillm transistors (C-TFT) formed on an insulating substrate, comprising a pair of highly resistive n-type silicon islands, a pair of heavily doped n-type regions formed in one of the islands to form source and drain regions of n-channel TFT, a pair of contacts formed o
4904989 Display device February 27, 1990
In a display device having, at least, picture elements which are arrayed on a transparent insulating substrate, and transistor portions which are formed of a semiconductor layer formed on the transparent insulating substrate; a display device characterized in that, at least, intercon
4818077 Ferroelectric liquid crystal device and method of driving the same April 4, 1989
In a liquid crystal device wherein a bistable ferroelectric liquid crystal is sandwiched between display electrodes; a liquid crystal device and a driving method therefor characterized in that switching elements are disposed at respective intersection points between a plurality of scanni
4750813 Display device comprising a delaying circuit to retard signal voltage application to part of sig June 14, 1988
A display device consisting of a plurality of scanning electrodes, a plurality of signal electrodes, a driving circuit feeding these electrodes with a scanning voltage and a signal voltage applied thereto, display elements having a pair of electrodes opposite to each other, which are
4736137 Matrix display device April 5, 1988
In a matrix display device, a signal drive circuit comprises selection means for sequentially selecting at least one of display information signals corresponding to a plurality of signal electrodes when at least one of a plurality of scan electrodes is selected, hold means for holding
4583122 Imaging display device April 15, 1986
An imaging display device characterized by comprising a pair of transparent substrates which are arranged in opposition to each other with a predetermined interval therebetween, photoelectric elements which are disposed in a large number between the substrates and in adjacency to one


 
 
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