发明名称 Display device
摘要 Provided is a display device, including: a first protrusion formed to an inner side surface of one of side walls of the frame on a short side of an angled corner portion surrounded by the side walls; a second protrusion formed to an inner side surface of one of the side walls on a long side of the angled corner portion; and a third protrusion formed at another angled corner portion on another end side of at least one of the side walls sharing the angled corner portion provided with the first and second protrusions, and formed to an inner side surface of one of the side walls that is opposed to the side wall to which the first protrusion and/or the second protrusion are/is arranged, the optical sheet including cut-out first to third recesses which are to be fitted to the first to third protrusions.
申请公布号 US8913207(B2) 申请公布日期 2014.12.16
申请号 US201113173121 申请日期 2011.06.30
申请人 Japan Display Inc.;Panasonic Liquid Crystal Display Co., Ltd. 发明人 Watanabe Saburo
分类号 G02F1/1333;F21V8/00 主分类号 G02F1/1333
代理机构 Antonelli, Terry, Stout & Kraus, LLP. 代理人 Antonelli, Terry, Stout & Kraus, LLP.
主权项 1. A display device, comprising: a display panel for displaying an image; a light guide plate, which is arranged on a back surface side of the display panel, and has one flat surface as a light emitting surface to allow light of a light source entering from an end surface of the light guide plate to be emitted; an optical sheet, which is arranged on the light emitting surface side of the light guide plate; a frame formed into a box shape with one open surface, for holding the light guide plate and the optical sheet, the frame having a planar shape of a quadrangle having a pair of short sides and a pair of long sides, and including side walls along the quadrangle, the side walls including a first angled corner portion and a second angled corner portion, the first angled corner portion and the second angled corner portion being respectively positioned at both end portions of one side selected from the pair of short sides and the pair of long sides; a first protrusion formed inside the first angled corner portion on one of the pair of short sides; a second protrusion formed inside the first angled corner portion on one of the pair of long sides; and a third protrusion formed inside the second angled corner portion on a side different from the one side selected from the pair of short sides and the pair of long sides; wherein the optical sheet includes a cut-out first recess, a cut-out second recess, and a cut-out third recess, which are to be fitted to the first protrusion, the second protrusion, and the third protrusion, respectively; wherein the first protrusion and the second protrusion are formed on a first locking member having an L-shape, and the third protrusion is formed on a second locking member having an L-shape; wherein the first locking member and the second locking member each include a flat portion that is flush with the light guide plate; and wherein the first protrusion and the second protrusion, and the third protrusion are formed to protrude from the flat portion.
地址 Tokyo JP