| 发明名称 | Backlight unit and method for controlling LED | ||
| 摘要 | A backlight unit is provided, which includes a light-emitting diode LED, an LED driving unit which drives the LED, a control unit which measures a temperature of the LED driving unit, and, if the temperature exceeds a preset threshold temperature, interrupts an operation of the LED driving unit, and a threshold temperature adjustment unit which changes the preset threshold temperature based on a limit temperature of a circuit element included in the LED driving unit. | ||
| 申请公布号 | US8890443(B2) | 申请公布日期 | 2014.11.18 |
| 申请号 | US201213398921 | 申请日期 | 2012.02.17 |
| 申请人 | Samsung Electronics Co., Ltd. | 发明人 | Kang Jeong-il;Lee Ju-taek;Chang Gil-yong |
| 分类号 | H05B37/02;G09G3/34;H05B33/08 | 主分类号 | H05B37/02 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A backlight unit comprising: a light-emitting diode (LED); an LED driving unit which drives the LED; a control unit configured to measure a temperature of the LED driving unit and, if the temperature exceeds a preset threshold temperature, interrupt an operation of the LED driving unit; and a threshold temperature adjustment unit configured to change the preset threshold temperature based on a limit temperature of a circuit element included in the LED driving unit. | ||
| 地址 | Suwon-si KR | ||