Circular polarizing plate and organic electroluminescence panel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9400345
APP PUB NO 20150160387A1
SERIAL NO

14407247

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Abstract

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There is provided a circularly polarizing plate that can prevent light leakage in an organic EL panel and can suppress the warping of the panel to reduce reflection unevenness in a panel surface. A circularly polarizing plate according to an embodiment of the present invention is used in an organic EL panel, and includes a polarizer and a retardation film directly bonded to the polarizer. In-plane retardations of the retardation film satisfy a relationship of Re(450)

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Patent Owner(s)

  • NITTO DENKO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iida, Toshiyuki Ibaraki, JP 46 407
Kojima, Tadashi Ibaraki, JP 145 2000
Murakami, Nao Ibaraki, JP 91 859
Shimizu, Takashi Ibaraki, JP 399 2921
Uwada, Kazuki Ibaraki, JP 26 124

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