发明名称 |
ILLUMINATION DRIVING APPARATUS FOR LIGHT EMITTING DIODE AND METHOD THEREOF |
摘要 |
There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit. |
申请公布号 |
US2014035473(A1) |
申请公布日期 |
2014.02.06 |
申请号 |
US201313839145 |
申请日期 |
2013.03.15 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD.;UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION |
发明人 |
PARK DEUK HEE;CHOI JOONG HO;CHA SANG HYUN;LEE JAE SHIN;LEE CHANG SEOK;LEE YUN JOONG |
分类号 |
H05B33/08 |
主分类号 |
H05B33/08 |
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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