发明申请
- 专利标题： Optical member and lighting apparatus
- 专利标题（中）： 光学构件和照明装置
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申请号： US10993678申请日： 2004-11-19
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公开(公告)号： US20050169012A1公开(公告)日： 2005-08-04
- 发明人: Norihito Takeuchi
- 申请人： Norihito Takeuchi
- 优先权： JP2003-393132 20031121
- 主分类号： G02F1/13357
- IPC分类号： G02F1/13357 ; F21V8/00 ; G02B6/00 ; H01L51/50 ; H05B33/12 ; G02F1/1335
摘要：
An area light source apparatus including a light emitting surface. The area light source apparatus is provided with a first area light source including a transparent substrate, having a light entering surface, and an EL device, arranged on the light entering surface. The EL device includes a light emitting surface from which light exits. A second area light source includes LEDs. The light emitting surface of the area light source apparatus has an area greater than that of the light emitting surface of the EL device.
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IPC分类:
