Invention Grant
- Patent Title: Illumination unit and image projection apparatus employing the same
- Patent Title (中): 照明单元和使用其的图像投影设备
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Application No.: US11392633Application Date: 2006-03-30
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Publication No.: US07828448B2Publication Date: 2010-11-09
- Inventor: Jong-hoi Kim , Won-yong Lee , Young-chol Lee , Kye-hoon Lee
- Applicant: Jong-hoi Kim , Won-yong Lee , Young-chol Lee , Kye-hoon Lee
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2005-0045200 20050527
- Main IPC: G03B21/28
- IPC: G03B21/28 ; G03B21/26 ; G01D11/28 ; F21V7/00 ; H04N5/74
Abstract:
An illumination unit and an image projection apparatus employing the same. The illumination unit includes: a first reflective surface reflecting light incident thereon; a light-emitting device generating and emitting illuminating light; and a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes the light-emitting device.
Public/Granted literature
- US20060221310A1 Illumination unit and image projection apparatus employing the same Public/Granted day:2006-10-05
Information query
