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Shinichi Ishizuka, Masami Tsuchida, Hideo Ochi, Tsuyoshi Sakamoto: Panel display driving device and driving method. Pioneer Corporation, Sughrue Mion Pllc, September 25, 2007: US07274363 (174 worldwide citation)

A display panel driving device and driving method for providing high quality images without irregular luminance even after long-time use. The value of the light-emission drive current flowing when causing each light-emission elements bearing each pixel to independently emit light in succession is me ...


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Shinichi Ishizuka: Display panel and display device. Pioneer Corporation, Morgan Lewis & Bockius, March 29, 2005: US06873117 (123 worldwide citation)

An active type of display panel arranged with light-emitting elements such as organic electroluminescent elements, capable of effecting correct tonal display even during a long-time use, a display device using the display panel and a method of driving the display panel. In each of pixel portions on ...


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Shinichi Ishizuka: Display panel and display device. Pioneer Corporation, Sughrue Mion PLLC, July 17, 2007: US07245277 (121 worldwide citation)

An active type display panel comprises a plurality of pixel sections each having a series circuit constituted by a light emitting element and a drive element for supplying a drive current to the light emitting element, a pair of power supply lines which connect the series circuits of the pixel secti ...


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Takayoshi Yoshida, Katsuhiro Kanauchi: Drive methods and drive devices for active type light emitting display panel. Tohoku Pioneer Corporation, Westerman Hattori Daniels & Adrian, March 20, 2007: US07193589 (119 worldwide citation)

In a drive device for an active type light emitting display panel which can apply a reverse bias voltage to an EL element, in order to be able to compensate deterioration in light-emitting efficiency of the EL element accompanied by applying of the reverse bias voltage and the like, one pixel 10 is ...


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Hiroyuki Ota: Method of manufacturing a nitride semiconductor laser with a plated auxiliary metal substrate. Pioneer Corporation, Sughrue Mion PLLC, January 13, 2004: US06677173 (115 worldwide citation)

The disclosure is a method of manufacturing a nitride semiconductor laser wherein a plurality of crystal layers made of group III nitride semiconductors, including an active layer, are successively stacked on an underlayer. The method includes the steps of forming the plurality of crystal layers on ...


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Yoshiyuki Okuda: Driving apparatus for active matrix type luminescent panel. Pioneer Corporation, Morgan Lewis & Bockius, April 30, 2002: US06380689 (98 worldwide citation)

A driving apparatus for an active matrix type luminescent panel, in which a reverse bias voltage can be applied to each EL device in the luminescent panel effectively. An address period and an emission period are repeatedly set on each of a plurality of capacitive light emitting devices in accordanc ...


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Hideki Hatano, Takashi Yamaji, Kenji Kitamura, Shunji Takekawa, Masaru Nakamura: Holographic recording medium and holographic recording/reproducing apparatus using the same. Pioneer Corporation, National Institute for Material Science, Sughrue Mion PLLC, February 15, 2005: US06856433 (96 worldwide citation)

A holographic recording medium exhibiting a high recording sensitivity without execution of reduction treatment. A system records information on the holographic recording medium by using a gating light within a wavelength band causing less optical damage to the holographic recording medium. The holo ...


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Yoshinori Fukuda: Organic electroluminescence multi-color display and method of fabricating the same. Pioneer Corporation, Sughrue Mion PLLC, April 1, 2003: US06541130 (90 worldwide citation)

Disclosed is an organic electroluminescence multi-color display comprising a transparent electrode, a plurality of organic compound material layers including at least light emitting layers, a metal electrode, which are stacked on a transparent substrate in sequence, respectively, and a plurality of ...