Invention Grant
- Patent Title: Projection display
- Patent Title (中): 投影显示
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Application No.: US12426619Application Date: 2009-04-20
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Publication No.: US08593579B2Publication Date: 2013-11-26
- Inventor: Hirohisa Ishino
- Applicant: Hirohisa Ishino
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan Henderson Farabow Garrett & Dunner LLP
- Priority: JPP2008-110664 20080421
- Main IPC: H04N5/74
- IPC: H04N5/74 ; G02F1/00

Abstract:
The present invention provides a projection display capable of realizing high contrast in a display image plane. The projection display includes a light source; a first light modulator modulating light from the light source on the basis of an input image signal, and generating a first image light; a second light modulator modulating the first image light on the basis of the image signal, and generating a second image light; and a projection lens projecting the second image light generated with the second light modulator.
Public/Granted literature
- US20090262261A1 Projection Display Public/Granted day:2009-10-22
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