Optical sheet, and backlight device and display device...

Details Optical sheet, and backlight device and display device... Optical sheet, and backlight device and display device...

2011-03-15

2011-03-15

Ton, Anabel M (Department: 2875)

Illumination

Display backlight

With transparency or film holder

C362S097300, C362S097200, C362S632000, C362S633000, C362S634000

Reexamination Certificate

active

07905619

ABSTRACT:
A notch is formed in a side of an optical sheet. As seen in plan view, the notch is shaped such that the maximum width of the notch as measured in the direction parallel to the line connecting both ends of a mouth portion of the notch is greater than the width of the mouth portion along the side of the optical sheet. Here, it is preferable that the notch be polygonal or have a curved shape as seen in plan view.

REFERENCES:
patent: 6538709 (2003-03-01), Kurihara et al.
patent: 2002/0114152 (2002-08-01), Fujino et al.
patent: 2006/0126362 (2006-06-01), Hsieh et al.
patent: 2007/0159806 (2007-07-01), Fujino et al.
patent: 2009/0231515 (2009-09-01), Keam et al.
patent: 2010/0271568 (2010-10-01), Jung et al.
patent: 08-234678 (1996-09-01), None
patent: 09-197580 (1997-07-01), None
patent: 10-255533 (1998-09-01), None
patent: 2000-206526 (2000-07-01), None
Official communication issued in the International Application No. PCT/JP2006/309153, mailed on Jul. 18, 2006.

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