Display apparatus

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United States of America Patent

PATENT NO 9581738
APP PUB NO 20150338698A1
SERIAL NO

14650481

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a display apparatus which has a sufficient luminance even when viewed at a large viewing angle, and which can overcome a problem of color change. The display apparatus is a display apparatus including a display device showing a color change in accordance with viewer's viewing angle, and an anisotropic optical film having a diffusing property changed in accordance with the incident angle of light radiated thereinto. The anisotropic optical film has at least one scattering central axis, and an angle made between the scattering central axis and a direction along which the display device shows a minimum color change is from 20 to 65°, or −20 to −65°.

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Patent Owner(s)

Patent OwnerAddress
TOMOEGAWA CO LTDTOKYO JAPAN

International Classification(s)

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  • 2013 Application Filing Year
  • G02B Class
  • 6559 Applications Filed
  • 5896 Patents Issued To-Date
  • 89.90 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Hiroyuki Shizuoka, JP 496 3340
Katagiri, Hiroto Shizuoka, JP 9 108
Sugiyama, Masahide Shizuoka, JP 24 174
Takechi, Yusuke Shizuoka, JP 6 13

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1235356340512853141972332801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0100020003000250500750125015001750225025002750325035003750

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