CN101959339B - 高压led驱动芯片双电源供电电路 - Google Patents
高压led驱动芯片双电源供电电路 Download PDFInfo
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- CN101959339B CN101959339B CN200910055050.9A CN200910055050A CN101959339B CN 101959339 B CN101959339 B CN 101959339B CN 200910055050 A CN200910055050 A CN 200910055050A CN 101959339 B CN101959339 B CN 101959339B
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Application Number | Priority Date | Filing Date | Title |
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CN200910055050.9A CN101959339B (zh) | 2009-07-17 | 2009-07-17 | 高压led驱动芯片双电源供电电路 |
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CN200910055050.9A CN101959339B (zh) | 2009-07-17 | 2009-07-17 | 高压led驱动芯片双电源供电电路 |
Publications (2)
Publication Number | Publication Date |
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CN101959339A CN101959339A (zh) | 2011-01-26 |
CN101959339B true CN101959339B (zh) | 2014-03-05 |
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CN200910055050.9A Active CN101959339B (zh) | 2009-07-17 | 2009-07-17 | 高压led驱动芯片双电源供电电路 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103338548A (zh) * | 2013-05-01 | 2013-10-02 | 上海芯地信息科技有限公司 | 一种用于高压led驱动芯片的电源电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201063548Y (zh) * | 2007-08-07 | 2008-05-21 | Bcd半导体制造有限公司 | 开关电源及其脉冲宽度调制控制器 |
CN201234390Y (zh) * | 2008-07-18 | 2009-05-06 | 金诗电子技术(上海)有限公司 | 高调光比led驱动芯片 |
CN201467513U (zh) * | 2009-07-17 | 2010-05-12 | 上海沙丘微电子有限公司 | 高压led驱动芯片双电源供电电路 |
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2009
- 2009-07-17 CN CN200910055050.9A patent/CN101959339B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201063548Y (zh) * | 2007-08-07 | 2008-05-21 | Bcd半导体制造有限公司 | 开关电源及其脉冲宽度调制控制器 |
CN201234390Y (zh) * | 2008-07-18 | 2009-05-06 | 金诗电子技术(上海)有限公司 | 高调光比led驱动芯片 |
CN201467513U (zh) * | 2009-07-17 | 2010-05-12 | 上海沙丘微电子有限公司 | 高压led驱动芯片双电源供电电路 |
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CN101959339A (zh) | 2011-01-26 |
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Legal Events
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GR01 | Patent grant | ||
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ASS | Succession or assignment of patent right |
Owner name: XIAO GUOQING Free format text: FORMER OWNER: SHANGHAI SANDHILL MICROELECTRONICS CO., LTD. Effective date: 20150119 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 201108 TO: 201199 |
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TR01 | Transfer of patent right |
Effective date of registration: 20150119 Address after: 201199 Shanghai city Minhang District No. 6269 humin road Yinxiao building B building room 1704 Patentee after: Xiao Guoqing Address before: 203 room 1508, Guanghua Road, Shanghai, Minhang District 201108 Patentee before: Shanghai SandHill Microelectronics Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: JIANGXI XINCHENG MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: XIAO GUOQING Effective date: 20150715 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150715 Address after: 330013, Jiangxi Nanchang Nanchang Airport Economic Zone small and medium-sized micro enterprise Industrial Park office two floor Patentee after: Jiangxi core Microelectronics Co., Ltd. Address before: 201199 Shanghai city Minhang District No. 6269 humin road Yinxiao building B building room 1704 Patentee before: Xiao Guoqing |