Display apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 28, 2017
Grant Date -
Nov 26, 2015
app pub date -
Dec 6, 2013
filing date -
Dec 7, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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°.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TOMOEGAWA CO LTD | TOKYO JAPAN |
International Classification(s)

- 2013 Application Filing Year
- G02B Class
- 6559 Applications Filed
- 5896 Patents Issued To-Date
- 89.90 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Abe, Hiroyuki | Shizuoka, JP | 496 | 3340 |
# of filed Patents : 496 Total Citations : 3340 | |||
Katagiri, Hiroto | Shizuoka, JP | 9 | 108 |
# of filed Patents : 9 Total Citations : 108 | |||
Sugiyama, Masahide | Shizuoka, JP | 24 | 174 |
# of filed Patents : 24 Total Citations : 174 | |||
Takechi, Yusuke | Shizuoka, JP | 6 | 13 |
# of filed Patents : 6 Total Citations : 13 |
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Patent Citation Ranking
- 0 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 8 Age
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 28, 2028 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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