Invention Grant
- Patent Title: Optical system including a blocking unit
- Patent Title (中): 光学系统包括一个阻挡单元
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Application No.: US12772421Application Date: 2010-05-03
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Publication No.: US08388148B2Publication Date: 2013-03-05
- Inventor: Kee-uk Jeon , Sang-ik Kim , Kyoung-choul Jang , Boing-jo Kang , Wook-jae Jeon
- Applicant: Kee-uk Jeon , Sang-ik Kim , Kyoung-choul Jang , Boing-jo Kang , Wook-jae Jeon
- 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: KR10-2009-0060180 20090702
- Main IPC: G03B21/28
- IPC: G03B21/28
Abstract:
An optical system is provided which includes an illumination system with a light source, a lens member which guides light from the light source, and a mirror member; an image unit on which an image is formed and on which light from the illumination system is incident; a projection system which magnifies and projects the image formed on the image unit; and a blocking unit which is mounted to the mirror member of the illumination system and partially blocks light from the light source that is directed to the mirror member.
Public/Granted literature
- US20110001939A1 OPTICAL SYSTEM Public/Granted day:2011-01-06
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