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Dive into the research topics where Minoru Akatsuka is active.

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Featured researches published by Minoru Akatsuka.


Japanese Journal of Applied Physics | 1987

Application of Retardation Compensation; A New Highly Multiplexable Black-White Liquid Crystal Display with Two Supertwisted Nematic Layers

Kazunori Katoh; Yukio Endo; Minoru Akatsuka; Masao Ohgawara; Kazutoshi Sawada

Compensation of birefringent retardation is applied to a supertwisted nematic liquid crystal layer. The birefringent effect of the layer is totally canceled by another supertwisted nematic layer of opposite helical sense. Numerical computation confirmed complete extinction of light between crossed polarizers. A highly multiplexable black-white liquid crystal display is obtained with the technique.


Archive | 1988

Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production

Tomoki Gunjima; Hiroshi Kumai; Minoru Akatsuka; Shoichi Tsuchiya


Archive | 1990

Liquid crystal display device having biaxial birefringent plates at each side of the liquid crystal layer

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada


Archive | 1992

Liquid crystal display device with biaxial birefringent plates and light shielding film

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada


Archive | 1988

Liquid crystal optical device and process for its production

Tomoki Gunjima; Hiroshi Kumai; Minoru Akatsuka; Shoichi Tsuchiya


Archive | 1994

Liquid crystal display device using uniaxial birefringent films for improving viewing angle

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada


Archive | 1988

PLURAL LAYER LIQUID CRYSTAL DISPLAY DEVICE FOR A HIGH DENSITY DISPLAY

Kazunori Kato; Yukiio Endo; Minoru Akatsuka; Masao Ohgawara; Kazutoshi Sawada


Archive | 1994

Liquid crystal display device having light shielding film and birefringent films with Nx =Nz >Ny

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada


Archive | 1996

Liquid crystal display device having birefringent films with nx >n.sub. >ny

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada


Archive | 1990

Flüssigkristallanzeigevorrichtung. A liquid crystal display device.

Minoru Akatsuka; Yuji Sohda; Kazutoshi Sawada

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