Taira Kazuki, Baba Masahiro: Display device. Toshiba, April 5, 2002: JP2002-099250 (125 worldwide citation)

PROBLEM TO BE SOLVED: To provide a display device which enables to enlarge a dynamic range even for a picture having large brightness inclination in a screen and displaying a high definition picture.SOLUTION: This display device is provided with picture displaying parts 11, 22, an illuminating part ...

Masuda Takashi: Lighting system and display device equipped with it. Sharp, December 6, 2002: JP2002-352611 (120 worldwide citation)

PROBLEM TO BE SOLVED: To provide a lighting system radiating illumination light having high directivity and uniform intensity distribution. SOLUTION: This lighting system is equipped with a light source device 11 and a light direction conversion device 12 directing the traveling direction of light b ...

Sato Atsushi, Luis M Murillo Mora: Surface lighting device and liquid crystal display device using the same. Toppan Printing, November 24, 2005: JP2005-327600 (119 worldwide citation)

PROBLEM TO BE SOLVED: To provide a surface lighting device capable of performing control of the directivity of outgoing light from a light source, and capable of increasing the efficiency of utilization of the outgoing light in a liquid crystal display; to realize high luminance, an appropriate angl ...

Yoshino Isataka, Hashimoto Kazuo, Nakayoshi Hirokazu, Hatta Kaoru: Heat radiating device of light source for liquid crystal display and its manufacturing method. Sony, June 7, 2002: JP2002-162626 (105 worldwide citation)

PROBLEM TO BE SOLVED: To obtain the heat radiating device of a light source for liquid crystal display which is made so as to radiate effectively exothermicity of light emitting diodes being the light source of a back light and to avoid effect by heat to peripheral parts of the light source and its ...

Kato Atsushi: Projection type display device. Nec Viewtechnology, December 2, 2004: JP2004-341105 (98 worldwide citation)

PROBLEM TO BE SOLVED: To solve the problem that the number of parts is made large and an entire projection type display device is not made small in size, light in weight and inexpensive because surface light sources emitting respective color light beams R, G and B and spatial optical modulators corr ...

Takato Katsue: Back light device. Nippon Seiki, March 12, 2002: JP2002-072901 (94 worldwide citation)

PROBLEM TO BE SOLVED: To provide a back light device which permits highly brilliant illumination.SOLUTION: Dot-like light sources 14 are connected with a circuit board 15. A reflection member 16 is disposed in front of the circuit board 15, has opening parts 16a which are corresponding to the dot-li ...

Iijima Chiyoaki: Liquid crystal display device and electronic instrument using the same. Seiko Epson, March 30, 2001: JP2001-083509 (93 worldwide citation)

PROBLEM TO BE SOLVED: To provide a semitransmissive-reflective liquid crystal display device without any double image due to parallax. SOLUTION: A semitransmissive-reflective layer 135 is arranged between a liquid crystal layer 140 and an illuminator 190. The illuminator 190 is provided with a light ...

Gunjima Tomoki C O Asahi Glass, Ooi Yoshiharu C O Ag Technolog, Ozeki Masao C O Ag Technology, Ito Hiroaki C O Asahi Glass Co, Hasebe Hiroshi C O Asahi Glass, Matsumoto Tetsuro C O Asahi Gl, Nakagawa Yutaka C O Asahi Glas: An illumination device and a liquid crystal display device.. Asahi Glass, May 18, 1994: EP0597261-A1 (89 worldwide citation)

An illumination device for a direct viewing type display element (12) comprising a flat light guide (3); a light source (1) set such that light is incident on a side portion of said flat light guide (3); a polarized light separating sheet (6) set on a first side of a light emitting site of the flat ...

Umemoto Seiji, Kinoshita Ryoji, Nakano Yuuki, Kishioka Hiroaki, Sakaitani Waka: Touch panel including illuminator and reflective liquid-crystal display device. Nitto Denko, October 23, 2002: EP1251454-A2 (81 worldwide citation)

A touch panel-including illuminator having: a light pipe made of a transparent plate-like material having an upper surface, a lower surface and at least one incidence side surface, the upper surface being provided with light output means through which light incident on the incidence side surface is ...

Moseley Richard Robert, Woodgate Graham John, Ezra David: Optical device and directional display. Sharp, February 4, 1998: EP0822441-A2 (80 worldwide citation)

An optical device, for example as shown in Figure 13, comprises a plurality of picture elements 7 the phase and/or amplitude transmission of which vary in the lateral direction of the optical device reducing the level of diffraction caused by the device.