Invention Grant
- Patent Title: Color filter substrate, electro-optical device, and projection-type display device
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Application No.: US14906249Application Date: 2014-07-17
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Publication No.: US09671640B2Publication Date: 2017-06-06
- Inventor: Reiko Wachi , Hidetoshi Ushiyama , Naotaka Kubota
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: ALG Intellectual Property, LLC
- Priority: JP2013-153325 20130724
- International Application: PCT/JP2014/003789 WO 20140717
- International Announcement: WO2015/011901 WO 20150129
- Main IPC: G02B3/08
- IPC: G02B3/08 ; G02F1/1335 ; G02B5/20 ; G02F1/1333

Abstract:
In an electro-optical device 100, a color filter substrate 20 is provided with colored pixels, which are: a red pixel 2(R) with a colored layer 28(R) formed inside a concave portion 25(R) formed in a first surface 20s of a light-transmissive substrate 20d, a green pixel 2(G) with a colored layer 28(G) formed inside a concave portion 25(G) formed in said surface, and a blue pixel 2(B) with a colored layer 28(B) formed inside a concave portion 25(B) formed in said surface. In addition, in the substrate 20d, a non-colored pixel 2(W), at which no colored layer is provided, is provided outside the concave portion 25(R), 25(G), 25(B) at a position where the thickness of the substrate 20d is greater than that at the colored pixels.
Public/Granted literature
- US09618786B2 Color filter substrate, electro-optical device, and projection-type display device Public/Granted day:2017-04-11
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