公开(公告)号：US09123299B2

公开(公告)日：2015-09-01

申请号：US12895199

申请日：2010-09-30

申请人： Kee-Chul Kim ,  In-Jae Chung ,  Sin-Ho Kang ,  Yeun-hyeok Yang

发明人： Kee-Chul Kim ,  In-Jae Chung ,  Sin-Ho Kang ,  Yeun-hyeok Yang

IPC分类号： G09G3/30 ,  G09G3/34

CPC分类号： G09G3/3426 ,  G09G2320/0646 ,  G09G2320/0686 ,  G09G2330/021

摘要： A liquid crystal display device includes a liquid crystal panel; a plurality of light emitting diode units to supply light to the liquid crystal panel; and a scan line and a light emission data line connected to the LED unit, wherein the scan line and the light emission data line transfer a scan signal and a light emission data current, respectively, wherein the LED unit includes: a switching circuit that is connected to the scan line and the light emission data line; a current mirror circuit that is connected to the switching circuit, and that outputs a light emission current in response to the light emission data current; and an LED that emits the light in response to the light emission current.

摘要翻译： 液晶显示装置包括液晶面板; 多个发光二极管单元，用于向液晶面板提供光; 以及连接到所述LED单元的扫描线和发光数据线，其中所述扫描线和所述发光数据线分别传送扫描信号和发光数据电流，其中所述LED单元包括：开关电路， 连接到扫描线和发光数据线; 电流镜电路，其连接到所述开关电路，并且响应于所述发光数据电流而输出发光电流; 以及响应于发光电流而发光的LED。