Invention Grant
- Patent Title: Liquid crystal display apparatus and projector
- Patent Title (中): 液晶显示装置和投影仪
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Application No.: US12683864Application Date: 2010-01-07
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Publication No.: US08368824B2Publication Date: 2013-02-05
- Inventor: Takuro Nagatsu , Takashi Endo
- Applicant: Takuro Nagatsu , Takashi Endo
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2009-011680 20090122; JP2009-011681 20090122
- Main IPC: G02F1/1335
- IPC: G02F1/1335
Abstract:
A liquid crystal display device includes: a liquid crystal device; a first dust-proof plate made of a birefringent material, and disposed on one of a light entrance side and a light exit side of the liquid crystal device; and a second dust-proof plate made of an isotropic refractive material, and is disposed on the other of the light entrance side and the light exit side of the liquid crystal device.
Public/Granted literature
- US20100182519A1 LIQUID CRYSTAL DISPLAY APPARATUS AND PROJECTOR Public/Granted day:2010-07-22
Information query
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