公开(公告)号：US10816854B2

公开(公告)日：2020-10-27

申请号：US16223715

申请日：2018-12-18

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hwi Kim ,  Ki-Seong Kim ,  Ji-Seok Yang

IPC: G02F1/13357 ,  F21V8/00

Abstract: A backlight unit includes a diffusion plate, wherein the diffusion plate includes a first region along edges of the diffusion plate, and a second region surrounded by the first region, and wherein a thickness of the first region decreases toward an outer side direction of the diffusion plate.

公开(公告)号：US09465251B2

公开(公告)日：2016-10-11

申请号：US14523109

申请日：2014-10-24

Applicant: LG Display Co., Ltd.

Inventor： Kyu-Hwan Lee ,  Min-Su Cho ,  Gwan-Hoon Park ,  Seo-Yoon Lee ,  Ji-Seok Yang ,  Seung-Won Lee

IPC: G02F1/13357 ,  G02F1/1335 ,  G02B19/00

CPC classification number: G02F1/133606 ,  G02B19/0028 ,  G02B19/0061 ,  G02B19/0071 ,  G02F1/133603 ,  G02F2001/133607

Abstract: A light emitting diode package includes: a light emitting diode (LED); and an LED lens over the LED, the LED lens having a symmetrical shape with respect to a central axis, wherein the LED lens includes a lower surface having first and second lower surfaces, an upper surface and a side surface connecting the lower surface and the upper surface, wherein the light through the first lower surface is totally reflected on the upper surface and is emitted though the side surface, wherein the first lower surface includes a first curved surface extending from the central axis and a second curved surface extending from a first end portion of the first curved surface, and wherein the second lower surface is flat and extends from a second end portion of the second curved surface.

Abstract translation: 发光二极管封装包括：发光二极管（LED）; 以及LED透镜，所述LED透镜相对于中心轴线具有对称的形状，其中，所述LED透镜包括具有第一和第二下表面的下表面，连接所述下表面和所述下表面的侧表面 上表面，其中穿过第一下表面的光在上表面上被全反射并且通过侧表面发射，其中第一下表面包括从中心轴线延伸的第一弯曲表面和从第一表面延伸的第二弯曲表面 第一弯曲表面的端部，并且其中第二下表面是平坦的并且从第二弯曲表面的第二端部延伸。