1
Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi, Naofumi Kimura, Hiroshi Hamada, Hiroshi Take: Liquid crystal display driving with switching transistors. Sharp Kabushiki Kaisha, Birch Stewart Kolasch and Birch, March 17, 1987: US04651148 (95 worldwide citation)

A matrix liquid crystal display device provided with switching transistors, made of amorphous silicon thin-film for example, which are connected to each display picture element. The switching transistors are scanned with a scan pulse having width H which is set at a value greater than that is expres ...


2
Kenichi Nakagawa, Kojiro Tsubota, Kunihiko Yamamoto: Virtual stereographic display system. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, September 26, 1989: US04870486 (58 worldwide citation)

A virtual stereographic display system which includes a display image surface, a polarizer disposed before the display image surface, a liquid crystal cell in which ferroelectric smectic liquid crystal is aligned, and disposed before the polarizer, a driving circuit connected to the liquid crystal c ...


3
Kenichi Nakagawa, Kojiro Tsubota, Kunihiko Yamamoto: Virtual stereographic display system. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, September 20, 1988: US04772943 (35 worldwide citation)

A virtual stereographic display system which includes a display image surface, a polarizer disposed before the display image surface, a liquid crystal cell in which ferroelectric smectic liquid crystal is aligned, and disposed before the polarizer, a driving circuit connected to the liquid crystal c ...


4
Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi, Hiroshi Take: Circuit for driving a matrix display device with a plurality of isolated driving blocks. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, January 17, 1989: US04799057 (31 worldwide citation)

A driving circuit for a matrix liquid crystal display device with switching transistors added to respective picture elements is divided into a plurality of blocks each of which selectively drives the switching transistors. The driving circuit is equipped with control means for actuating the blocks o ...


5
Hiroyuki Furukawa, Kunihiko Yamamoto: Memory interface circuit and access method. Sharp Kabushiki Kaisha, Nixon & Vanderhye P C, July 27, 1999: US05929832 (26 worldwide citation)

The memory interface circuit converts an input data signal into multi-scan data signals used for a multi-scan type liquid crystal display. The memory interface circuit includes: a memory for storing one frame of the input data signal corresponding to the display panel, and a control circuit for cont ...


6
Nobuaki Matsuhashi, Makoto Takeda, Kunihiko Yamamoto, Hiroshi Take: Method of driving a liquid crystal matrix display panel. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, July 4, 1989: US04845473 (26 worldwide citation)

A method of driving a matrix-type liquid crystal display panel comprising the step of dividing each scan pulse delivered to a plurality of row electrodes connected to the liquid crystal panel into plural scan periods; supplying video signal data via real-time operation during the initial divided per ...


7
Kunihiko Yamamoto, Yutaka Ishii: Liquid crystal display device having a randomly determined polarity reversal frequency. Sharp Kabushiki Kaisha, May 15, 1990: US04926168 (26 worldwide citation)

A liquid crystal display device containing an X-Y matrix type liquid crystal display panel in which these are M (M>1) signal electrodes and N (N>1) scanning electrodes are arranged in a matrix. The liquid crystral display device utilizes a device which reverses the polarity of the voltage waveform a ...


8
Toshiaki Takamatsu, Hiroshi Kuwagaki, Shigehiro Minezaki, Kunihiko Yamamoto, Hiroshi Nakatani, Hisao Kawaguchi: Structure and method of connecting terminals of matrix display units. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, September 1, 1987: US04690510 (25 worldwide citation)

There is disclosed a structure of a matrix display unit having a matrix display panel with mutually perpendicular groups of signal and scaning electrodes and a wiring board mounting thereon a driver circuit having output terminals disposed on two marginal edges of the wiring board. At least one of t ...


9
Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi, Hiroshi Take: Drive circuit for color liquid crystal display device. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, April 25, 1989: US04825203 (21 worldwide citation)

A color liquid crystal display device which comprises picture element electrodes arranged in a matrix that is made up of the intersecting points of row electrodes and column electrodes, a 1st circuit board with switching elements that are connected to these picture element electrodes, a 2nd circuit ...


10
Kunihiko Yamamoto, Yutaka Ishii, Hiroshi Take: Liquid crystal matrix device having separate driving circuits with diverse driving voltages. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, January 31, 1989: US04801933 (19 worldwide citation)

A multiplex-driven liquid crystal X-Y matrix display in which the electrodes are divided into several blocks and a driving voltage is independently applied to each of the blocks. Each driving voltage has a magnitude that is different from the remaining drive voltages. The display panel is free from ...