| 发明名称 | Backlight unit and liquid crystal display device using the same | ||
| 摘要 | A backlight unit and an LCD device using the same are provided. The backlight unit includes a light guide panel, a light source unit disposed at a rear-direction lower end of the light guide panel, an optical film disposed in a front direction of the light guide panel to face the light source unit and configured to reflect light emitted from the light source unit, and an optical sheet part disposed in the front direction of the light guide panel, and configured to change a travel direction of the light, which is output from the light guide panel, to a direction vertical to the light guide panel. | ||
| 申请公布号 | US9335458(B2) | 申请公布日期 | 2016.05.10 |
| 申请号 | US201414475752 | 申请日期 | 2014.09.03 |
| 申请人 | LG Display Co., Ltd. | 发明人 | Park Ki Duck;Shim Hoan Su;Bang Hyung Seok |
| 分类号 | G02F1/1335;F21V8/00 | 主分类号 | G02F1/1335 |
| 代理机构 | Morgan, Lewis & Bockius LLP | 代理人 | Morgan, Lewis & Bockius LLP |
| 主权项 | 1. A backlight unit, comprising: a light guide panel; a light source unit disposed at a rear-direction lower end of the light guide panel; an optical film disposed in a front direction of the light guide panel to face the light source unit, and configured to reflect light emitted from the light source unit; and an optical sheet part disposed in the front direction of the light guide panel, and configured to change a travel direction of the light, which is output from the light guide panel, to a direction vertical to the light guide panel. | ||
| 地址 | Seoul KR | ||