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Tetsushi Yoshida, Tetsuo Muto, Masaru Higuchi, Hisashi Aoki: Display device using ambient light a lighting panel. Casio Computer, Frishauf Holtz Goodman & Chick P C, April 29, 2003: US06556258 (62 worldwide citation)

A display device includes a non light-emitting type display element for controlling the transmission of incident light to display an image, a light radiating unit having a light source and a photoconductor, and arranged at the back of the display element for emitting illuminating light toward the di ...


2
Tomoyuki Shirasaki, Hiroyasu Yamada, Masaharu Shioya, Tetsushi Yoshida, Manabu Takei, Tetsuo Muto, Yasuhiro Daiku: Scatter control member for organic electroluminescent light source for passing light with or without scattering depending upon an incident angle. Casio Computer, Frishauf Holtz Goodman Langer & Chick P C, February 15, 2000: US06025894 (43 worldwide citation)

An organic electroluminescence device is placed as a back light of a liquid crystal display panel. The organic electroluminescence device is constituted by a front electrode (#112) having transparency to visible light, a rear electrode (#113) having reflection to visible light and an organic electro ...


3
Masaru Higuchi, Minoru Fujiwara, Tetsuo Muto, Yasuhiro Daiku: Illumination panel and display device using the same. Casio Computer, Frishauf Holtz Goodman Langer & Chick P C, May 1, 2001: US06224223 (35 worldwide citation)

An illumination panel comprises a light source, a photoconductor for guiding light from the light source, and an optical film for emitting light emitted from the photoconductor ahead of an observer. The photoconductor comprises a stepwise face having an incident end face onto which the light from th ...


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Tetsuo Muto: Three-dimensional liquid crystal display device. Casio Computer, Frishauf Holtz Goodman & Chick P C, January 13, 2009: US07477220 (19 worldwide citation)

On a side opposite to an observation side of a liquid crystal display panel, a plane light source is disposed which emits an illuminative light for the left eye of three colors of red, green and blue having such a directivity that a peak of emitted light intensity exists in a direction of the observ ...


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Tetsushi Yoshida, Tetsuo Muto, Toshiyuki Matsuda, Naoshige Sugimoto: Liquid crystal display devide with a twisted alignment state. Casio Computer, Frishauf Holtz Goodman & Woodward, October 22, 1991: US05058998 (10 worldwide citation)

A liquid crystal device has a pair of substrates having a plurality of electrodes arranged on facing surfaces thereof, aligning films, rubbed in a predetermined direction, for covering the surfaces of the substrates and the surfaces of the electrodes, a nematic liquid crystal disposed between these ...


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Minoru Fujiwara, Makoto Sasaki, Hiromitsu Ishii, Tetsuo Muto: Apparatus for reading fingerprint. Casio Computer, Frishauf Holtz Goodman Langer & Chick P C, October 30, 2001: US06310683 (9 worldwide citation)

A light beam emitted by a surface illuminant reaches the surface of a transparent base layer of a recess/projection detection optical element. A light beam emitted almost vertically is emitted to an air layer. A light beam incident on the transparent base layer at an angle larger than a total reflec ...


7
Yasuhiro Daiku, Tetsuo Muto: Surface light source and liquid crystal display device using the same. Casio Computer, Frishauf Holtz Goodman & Chick P C, July 21, 2009: US07564517 (6 worldwide citation)

A surface light source includes a prism sheet placed on one side of a liquid crystal display panel, and having elongated prism portions formed to form a patterned indented entrance surface having an angular cross-section, and an exit surface. A reflecting plate is placed to face the prism sheet thro ...


8
Tetsuo Muto: Three-dimensional liquid crystal display device. Casio Computer, Frishauf Holtz Goodman & Chick PC, December 30, 2004: US20040263451-A1

On a side opposite to an observation side of a liquid crystal display panel, a plane light source is disposed which emits an illuminative light for the left eye of three colors of red, green and blue having such a directivity that a peak of emitted light intensity exists in a direction of the observ ...


9
Yasuhiro Daiku, Tetsuo Muto: Surface light source and liquid crystal display device using the same. Casio Computer, Frishauf Holtz Goodman & Chick PC, April 7, 2005: US20050073625-A1

A surface light source includes a prism sheet placed on one side of a liquid crystal display panel, and having elongated prism portions formed to form a patterned indented entrance surface having an angular cross-section, and an exit surface. A reflecting plate is placed to face the prism sheet thro ...


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