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Dive into the research topics where Fumio Matsukawa is active.

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Featured researches published by Fumio Matsukawa.


IEEE Transactions on Electron Devices | 1990

Multicolor LCD for automotive applications

Fumio Matsukawa; Hirotsugu Arai; Katsuya Ohtani; Shigeru Matsushita

Segment-type, twisted nematic liquid-crystal panels with finely striped, two-color filters within the panel are discussed. The panel has a color filter-on-indium tin oxide structure. Two types of printed filter (an offset-printed (OP) filter and a screen-printed (SP) filter) were subjected to heat treatment and evaluated. It was found that an SP filter of about 0.3 mu m has less effect on the operating voltage and availability for multiplexed drive than an OP filter of about 1 mu m in thickness with the same color density. The test results for panel reliability for automotive use are given. The panels can digitally display a vehicles speed, fuel level and engine revolutions in bargraph format with good legibility using three colors. >


Archive | 1988

Route guidance display device

Fumio Matsukawa; Yoshisada Mizutani; Hirotsugu Arai


Archive | 1996

Process for bonding circuit substrates using conductive particles and back side exposure

Hideaki Otsuki; Toshio Kato; Yoko Gofuku; Fumio Matsukawa


Archive | 1999

IPS type liquid crystal display apparatus having in-plane retardation value of less than zero and not more than 20

Yasuhiro Morii; Fumio Matsukawa; Akira Tsumura; Shin Tahata; Masaya Mizunuma; Akira Tamatani; Masayuki Fujii; Yasuo Fujita


Archive | 1999

Liquid crystal display apparatus including a conductive layer on an array substrate thereof

Masayuki Fujii; Fumio Matsukawa; Akira Tsumura; Shin Tahata; Masaya Mizunuma; Akira Tamatani; Yasuhiro Morii; Yasuo Fujita


Archive | 1984

Liquid crystal display device having interdigitated common electrodes and color filters

Fumio Matsukawa; Hirotsugu Arai


Archive | 2000

Liquid crystal display apparatus and method for producing TFT using therefor

Yasuhiro Morii; Fumio Matsukawa; A. Tsumura; Shin Tahata; Masaya Mizunuma; Akira Tamatani; Masayuki Fujii; Yasuo Fujita


Archive | 1999

Reflective type liquid crystal display having scattering polarizer

Yuzo Odoi; Akira Tsumura; Kyoichiro Oda; Fumio Matsukawa


Archive | 1999

Liquid crystal display apparatus with reduced visual angle degradation

Akira Tamatani; Fumio Matsukawa; Akira Tsumura; Shin Tahata; Masaya Mizunuma; Yasuhiro Morii; Masayuki Fujii; Yasuo Fujita


Archive | 1982

Display device with delay time compensation

Osamu Shimizu; Hirofumi Goto; Fumio Matsukawa

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