发明名称 Backlight device, display device, and television receiver
摘要 A backlight device (3) is provided with: a reflective sheet (8) that reflects light from a light guide plate (7) back towards the light guide plate (7); a bottom (opposing surface) (10a) that is arranged so as to face the reflective sheet (8) on the side of the reflective sheet (8) opposite to the light guide plate (7) and that has a prescribed squeezing part (a part with recesses and protrusions) (10a1) formed thereon; and a cushioning member (9) arranged between the reflective sheet (8) and the bottom (10a). The cushioning member (9) has an opening (9a) at a location that corresponds to the squeezing part (10a1).
申请公布号 US8823882(B2) 申请公布日期 2014.09.02
申请号 US201214127855 申请日期 2012.06.15
申请人 Sharp Kabushiki Kaisha 发明人 Ueyama Munetoshi
分类号 H04N3/14;H04N5/64 主分类号 H04N3/14
代理机构 Chen Yoshimura LLP 代理人 Chen Yoshimura LLP
主权项 1. A backlight device, comprising: a light source; a light guide plate that guides light from the light source in a prescribed propagation direction and that emits the light to an object to be illuminated; a reflective sheet that is disposed on a side of the light guide plate that is opposite to the object to be illuminated and that reflects light from the light guide plate back towards the light guide plate; an opposing surface that is arranged so as to oppose the reflective sheet on a side of the reflective sheet that is opposite to the light guide plate, the opposing surface having prescribed recesses and protrusions formed thereon; and a cushioning member that is arranged between the reflective sheet and the opposing surface, wherein an opening is formed in the cushioning member at locations corresponding to the recesses and protrusions, wherein the light guide plate has a light exiting surface that emits light to the object to be illuminated, and a non-light exiting surface that is opposite to the light exiting surface and that has light diffusing parts formed thereon that diffuse light, and wherein the light guide plate has a size in a direction perpendicular to the light exiting surface of 4 mm or less.
地址 Osaka JP