发明名称 Liquid Crystal Display Device
摘要 A back light unit includes a light guide plate having at least one light introducing portion and a light exit portion, the front surface of the light exit portion being a light exit surface, and a light source facing the light guide plate and emitting light in a light emitting direction. The at least one light introducing portion includes a first portion and a second portion which is connected to the light exit portion, and in which the second portion spreads wider than the first portion in plan view.
申请公布号 US2015002771(A1) 申请公布日期 2015.01.01
申请号 US201414488703 申请日期 2014.09.17
申请人 Japan Display Inc. ;Panasonic Liquid Crystal Display Co., Ltd. 发明人 Nakamoto Hiroshi;Sugiyama Mitsuhiro;Ito Masahiro
分类号 F21V8/00;G02F1/1335;G02F1/1368 主分类号 F21V8/00
代理机构 代理人
主权项 1. A back light unit comprising: a light guide plate including at least one light introducing portion and a light exit portion, a front surface of the light exit portion being a light exit surface; and a light source facing the light guide plate and emitting light in a light emitting direction, wherein the at least one light introducing portion includes a first portion and a second portion which are connected to the light exit portion; and wherein the second portion spreads wider than the first portion in plan view.
地址 Tokyo JP