Image forming device

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United States of America Patent

PATENT NO 9091954
APP PUB NO 20150002596A1
SERIAL NO

14315034

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Abstract

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An exposure unit includes a lens group having a plurality of lenses arrayed in a first direction and an element array which is arranged to face the lens group and includes a plurality of organic EL elements arrayed in parallel with the first direction on a substrate, a drive circuit including a plurality of TFT circuits for controlling luminance per unit time of the organic EL element is arranged on the substrate, and the TFT circuit controls the luminance of the organic EL element based on a signal created by an area gray scale method.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mishima, Seiji Yamato, JP 14 186
Miyajima, Yu Utsunomiya, JP 29 70
Morita, Tomokazu Mishima, JP 81 1148
Saiga, Takeyoshi Tokyo, JP 37 84

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