发明名称 |
ILLUMUNATION UNIT HAVING REFLECTION TYPE COLLIMATOR AND PROJECTION DISPLAY USING THE SAME |
摘要 |
An illuminating unit includes a reflector including a parabolic reflecting surface and an incident portion and an exit portion intersecting with each other a light source to emit a beam onto the reflecting surface through the incident portion, a light source deviation compensator disposed between the reflector and the light source to focus an image of the light source is focused to a focal point of the reflecting surface, and a light path changer to direct at least a portion of a beam with a radiation angle less than an angle of the exit portion toward the reflecting surface. |
申请公布号 |
KR20060053757(A) |
申请公布日期 |
2006.05.22 |
申请号 |
KR20040094193 |
申请日期 |
2004.11.17 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE, KYE HOON;KIM, DAE SIK;KIM, SU GUN |
分类号 |
G03B21/20 |
主分类号 |
G03B21/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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