Invention Grant
- Patent Title: Color wheel module for a projection apparatus
- Patent Title (中): 用于投影设备的色轮模块
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Application No.: US11541608Application Date: 2006-10-03
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Publication No.: US07802889B2Publication Date: 2010-09-28
- Inventor: Long-Sheng Liao , Sung-Nan Chen , Yi-Hsueh Chen
- Applicant: Long-Sheng Liao , Sung-Nan Chen , Yi-Hsueh Chen
- Applicant Address: TW Hsinchu
- Assignee: Young Optics Inc.
- Current Assignee: Young Optics Inc.
- Current Assignee Address: TW Hsinchu
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: TW94219321U 20051108
- Main IPC: H04N9/12
- IPC: H04N9/12 ; G03B21/14 ; G02B5/22
Abstract:
A color wheel module includes a color wheel having a side face defining a plurality of color regions and a detection region, a light source for emitting light beams toward the side face of the color wheel and a light detection device for detecting the light beams from the color regions and the detection region in order to locate position of the color regions and the detection region.
Public/Granted literature
- US20070102637A1 Color wheel module for a projection apparatus Public/Granted day:2007-05-10
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