发明名称 |
BACKLIGHT UNIT AND DISPLAY DEVICE |
摘要 |
A backlight module and a display device. The backlight unit includes a light guide plate, a light emitting diode located at a light incident side of the light guide plate, and an optical lens disposed between a light emergent side of the light emitting diode and the light incident side of the light guide plate; a first surface of the optical lens close to the light emitting diode has the shape of sawtooth. The backlight unit can increase the light extraction efficiency and reduce heat generation of the backlight unit. |
申请公布号 |
US2016252667(A1) |
申请公布日期 |
2016.09.01 |
申请号 |
US201514768584 |
申请日期 |
2015.03.20 |
申请人 |
BOE Technology Group Co., Ltd. |
发明人 |
ZHU Lin;LI Wenbo |
分类号 |
F21V8/00 |
主分类号 |
F21V8/00 |
代理机构 |
|
代理人 |
|
主权项 |
1. A backlight unit, comprising a light guide plate, a light emitting diode located at a light incident side of the light guide plate, and an optical lens disposed between a light emergent side of the light emitting diode and the light incident side of the light guide plate;
wherein a first surface of the optical lens close to the light emitting diode has the shape of sawtooth. |
地址 |
Beijing CN |