发明授权
US07965048B2 Switching converter for lighting with light intensity as feedback and light emitting apparatus using the same
有权
用于具有光强度的照明的开关转换器作为反馈和使用其的发光装置
- 专利标题： Switching converter for lighting with light intensity as feedback and light emitting apparatus using the same
- 专利标题（中）： 用于具有光强度的照明的开关转换器作为反馈和使用其的发光装置
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申请号： US12252699申请日： 2008-10-16
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公开(公告)号： US07965048B2公开(公告)日： 2011-06-21
- 发明人: Yuh-Min Lin , Cheng-Chung Shih
- 申请人： Yuh-Min Lin , Cheng-Chung Shih
- 申请人地址： VG Tortola
- 专利权人： Capella Microsystems, Corp.
- 当前专利权人： Capella Microsystems, Corp.
- 当前专利权人地址： VG Tortola
- 代理机构： WPAT, P.C.
- 代理商 Anthony King
- 主分类号： H05B37/02
- IPC分类号： H05B37/02
摘要：
A light emitting apparatus comprises a light emitting element and a switching converter comprising a conversion circuit for converting an operating electric signal to generate the driving electric signal, a feedback circuit having a light detecting element for detecting a luminous intensity of the light emitting element and generating a feedback signal, and a control circuit for receiving the feedback signal, comparing the received feedback signal with a reference electric signal, and controlling the conversion circuit based on comparison results to adjust the driving electric signal. Alternatively, the light detecting element detects ambient light and the control circuit controls the conversion circuit based on comparison results to stop or enable outputting of the driving electric signal.
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