Invention Grant
- Patent Title: Miniature projector module having effective utilization of light with two polarizations
- Patent Title (中): 微型投影仪模块有效利用具有两个偏振的光
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Application No.: US11391996Application Date: 2006-03-29
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Publication No.: US07703925B2Publication Date: 2010-04-27
- Inventor: Shin-Bin Ko , Liang-Shu Wang
- Applicant: Shin-Bin Ko , Liang-Shu Wang
- Applicant Address: TW Neihu, Taipei
- Assignee: Compal Communications, Inc.
- Current Assignee: Compal Communications, Inc.
- Current Assignee Address: TW Neihu, Taipei
- Agent Winston Hsu
- Priority: TW94128904A 20050824
- Main IPC: G03B21/14
- IPC: G03B21/14 ; G03B21/28 ; G02F1/135 ; H04N5/74
Abstract:
A miniature projector module includes: a light source unit capable of emitting source light with first and second polarizations; a polarization beam splitter capable of reflecting the source light with the first polarization, and permitting transmission of the source light with the second polarization therethrough; a first image modulator capable of converting the source light with the first polarization reflected by the beam splitter into image light with the second polarization, and directing the image light with the second polarization toward the beam splitter for further transmission therethrough; a second image modulator capable of converting the source light with the second polarization transmitted through the beam splitter into image light with the first polarization, and directing the image light with the first polarization toward the beam splitter for further reflection thereby; and a projector lens for receiving and projecting the image light from the beam splitter.
Public/Granted literature
- US20070046896A1 Miniature projector module Public/Granted day:2007-03-01
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