发明名称 |
LED emitting device |
摘要 |
The present invention relates to an LED emitting device. The LED emitting device includes: a converter converting an input voltage according to a switching operation of a power source switch to generate at least two output voltages; an LED panel unit including a plurality of LED channels having a plurality of LEDs; a micom board operated by a first output voltage among the at least two output voltages to control the operation of the LED emitting device; a regulator converting a second output voltage among the at least two output voltages into a voltage suitable for the operation of the LED panel unit; and a multi-channel control unit controlling an operation of the regulator according to a lowest minimum voltage among the voltages of a plurality of LED channels and receiving the first output voltage to generate a first feedback voltage VF1. |
申请公布号 |
US8760082(B2) |
申请公布日期 |
2014.06.24 |
申请号 |
US201113225953 |
申请日期 |
2011.09.06 |
申请人 |
Fairchild Korea Semiconductor Ltd. |
发明人 |
Yang Seunguk;Ahn Byunghak;Lee Hak-Hee;Lee Eung-Woo |
分类号 |
H05B33/02;H05B37/02 |
主分类号 |
H05B33/02 |
代理机构 |
Okamoto & Benedicto LLP |
代理人 |
Okamoto & Benedicto LLP |
主权项 |
1. An LED emitting device operated by at least two output voltages, comprising:
a converter converting an input voltage according to a switching operation of a power source switch to generate at least two output voltages; an LED panel unit including a plurality of LED channels having a plurality of LEDs; a micom board operated by a first output voltage among the at least two output voltages to control the operation of the LED emitting device; a regulator converting a second output voltage among the at least two output voltages into a voltage suitable for the operation of the LED panel unit; and a multi-channel control unit controlling an operation of the regulator according to a lowest minimum voltage among the voltage of a plurality of LED channels and receiving the first output voltage to generate a first feedback voltage VF1.
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地址 |
Bucheon KR |