
基本信息:
- 专利标题: 视角可切换的背光单元
- 专利标题(英):Viewing Angle Switchable Back Light Unit
- 申请号:CN201610471906.0 申请日:2016-06-24
- 公开(公告)号:CN106338860A 公开(公告)日:2017-01-18
- 发明人: 方炯锡 , 柳昇万 , 玄周奉 , F-K·布鲁德
- 申请人: 乐金显示有限公司 , 科思创德国股份有限公司
- 申请人地址: 韩国首尔
- 专利权人: 乐金显示有限公司,科思创德国股份有限公司
- 当前专利权人: 乐金显示有限公司,科思创德国股份有限公司
- 当前专利权人地址: 韩国首尔
- 代理机构: 北京三友知识产权代理有限公司
- 代理人: 李辉; 刘久亮
- 优先权: 10-2015-0097107 2015.07.08 KR
- 主分类号: G02F1/13357
- IPC分类号: G02F1/13357
The present disclosure relates to a viewing angle switchable back light unit in which the general mode and the privacy mode in a liquid crystal dissplay can be selected. The present disclosure suggests a thin film type back light unit comprising: a light guide film (LGF) including a light entering part (LIN) disposed at one side, a light changing part (LRE) disposed at another side and a light guiding part (LWG) connecting the light entering part (LIN) and the light changing part (LRE); a light radiating part (LOT) disposed on an upper surface of the light guide film (LGF); and a light source (LS) disposed at the light entering part (LIN) of the light guide film (LGF). The light entering part (LIN) includes a wedge light coupler (WLC) and a light deflection element (SHOE). The light changing part (LRE) includes a light reflecting pattern (RHOE). The light radiating part (LOT) includes a light radiating film (VHOE) providing some of the collimated lights as back lights.
公开/授权文献:
- CN106338860B 视角可切换的背光单元 公开/授权日:2019-06-14
IPC结构图谱:
G | 物理 |
--G02 | 光学 |
----G02F | 用于控制光的强度、颜色、相位、偏振或方向的器件或装置,例如转换、选通、调制或解调,上述器件或装置的光学操作是通过改变器件或装置的介质的光学性质来修改的;用于上述操作的技术或工艺;变频;非线性光学;光学逻辑元件;光学模拟/数字转换器 |
------G02F1/00 | 控制来自独立光源的光的强度、颜色、相位、偏振或方向的器件或装置,例如,转换、选通或调制;非线性光学 |
--------G02F1/01 | .对强度、相位、偏振或颜色的控制 |
----------G02F1/09 | ..基于磁—光元件的,例如,呈现法拉第效应的 |
------------G02F1/133 | ...构造上的设备;液晶单元的工作;电路装置 |
--------------G02F1/1333 | ....构造上的设备 |
----------------G02F1/1335 | .....与液晶单元结构相连的光学装置,例如偏振器、反射器 |
------------------G02F1/13357 | ......照明装置 |