发明名称 |
Liquid crystal display device |
摘要 |
Provided is a liquid crystal display device includes an optical switching member; a light guide plate made of a thermoplastic material, which includes at least one light introducing portion on at least one side surface thereof; and a light source disposed on the at least one side surface, in which: the at least one light introducing portion includes, in plan view of the light guide plate: a first portion extending from a light incident surface, which is an end surface of the at least one light introducing portion, while keeping a substantially constant width; and a second portion, which extends from the first portion and has a form which widens; and at least the second portion is connected to a front surface of the light guide plate through an inclined surface which is smoothly continuous with the front surface of the light guide plate. |
申请公布号 |
US8848138(B2) |
申请公布日期 |
2014.09.30 |
申请号 |
US201113116048 |
申请日期 |
2011.05.26 |
申请人 |
Japan Display Inc.;Panasonic Liquid Crystal Display Co., Ltd. |
发明人 |
Nakamoto Hiroshi;Sugiyama Mitsuhiro;Ito Masahiro |
分类号 |
G02F1/1335;F21V8/00 |
主分类号 |
G02F1/1335 |
代理机构 |
Antonelli, Terry, Stout & Kraus, LLP. |
代理人 |
Antonelli, Terry, Stout & Kraus, LLP. |
主权项 |
1. A liquid crystal display device, comprising:
an optical switching member which includes a first substrate and a second substrate sandwiching a liquid crystal layer; a light guide plate made of a thermoplastic material, which is disposed on a back side of the optical switching member and includes at least one light introducing portion on at least one side surface thereof; and a light source disposed on the at least one side surface of the light guide plate, wherein: the at least one light introducing portion includes, in plan view of the light guide plate:
a first portion extending from a light incident surface, which is an end surface of the at least one light introducing portion, in a direction away from the light source while keeping a substantially constant width; anda second portion, which extends from the first portion and has a form which widens in the direction away from the light source; and at least the second portion is connected to a front surface of the light guide plate through an inclined surface which is smoothly continuous with the front surface of the light guide plate. |
地址 |
Tokyo JP |