Optical sheet, image source unit, display device, process...

Details Optical sheet, image source unit, display device, process... Optical sheet, image source unit, display device, process...

2008-09-25

2011-12-13

Pinkney, Dawayne (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S454000, C359S618000

Reexamination Certificate

active

08077395

ABSTRACT:
An optical sheet is disposed on an observer side relative to an image source and includes a plurality of layers that control light emitted from the image source to emit the light on the observer side. At least one of the plurality of layers is a base material layer. One layer disposed on one side of the base material layer is an optical functional sheet layer which includes prisms arranged in parallel along the sheet surface of the optical sheet whereby light can be transmitted and light-absorbing parts are arranged in parallel between the prisms whereby light can be absorbed. One layer disposed on the other side of the base material layer is an adhesive layer. An adhesive layer is not provided on a side surface of the optical functional sheet layer facing the side disposed with the base material layer.

REFERENCES:
patent: 2006/0145578 (2006-07-01), Park et al.
patent: 2006/0245064 (2006-11-01), Sasaki
patent: 2007/0182874 (2007-08-01), Kamijima
patent: 2004-004148 (2004-01-01), None
patent: 2006-084876 (2006-03-01), None
patent: 2006-189867 (2006-07-01), None
patent: 2006-350324 (2006-12-01), None
patent: 2008-096686 (2008-04-01), None
International Search Report: PCT/JP2008/067302.
USPTO OA mailed Jun. 20, 2011 in connection with U.S. Appl. No. 13/038,730.

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