Organic electroluminescent display device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8426876
SERIAL NO

12949165

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Abstract

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An organic EL display device of active matrix type wherein insulated-gate field effect transistors formed on a single-crystal semiconductor substrate are overlaid with an organic EL layer; characterized in that the single-crystal semiconductor substrate (413 in FIG. 4) is held in a vacant space (414) which is defined by a bed plate (401) and a cover plate (405) formed of an insulating material, and a packing material (404) for bonding the bed and cover plates; and that the vacant space (414) is filled with an inert gas and a drying agent, whereby the organic EL layer is prevented from oxidizing.

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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Yasuyuki Atsugi, JP 452 18532
Yamazaki, Shunpei Setagaya, JP 7534 239327

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