公开(公告)号：US20190129249A1

公开(公告)日：2019-05-02

申请号：US16165779

申请日：2018-10-19

Applicant: LG Display Co., Ltd.

Inventor： Rok-Hee Lee ,  Yong-Seok Kwak ,  Il-Soo Kim

IPC: G02F1/1335

Abstract: A liquid crystal display device comprises a liquid crystal panel and a backlight unit under the liquid crystal panel and including a circuit board; a plurality of LED packages mounted on the circuit board; an encapsulation member over the circuit board and covering the plurality of LED packages; and a multi-pattern sheet over the encapsulation member and including a glass complex body containing a phosphor and a plurality of diffusion patterns on an upper surface of the glass complex body, wherein the plurality of diffusion patterns include at least one first pattern corresponding to an LED package and at least one second pattern corresponding to a portion between adjacent LED packages.

公开(公告)号：US09429701B2

公开(公告)日：2016-08-30

申请号：US14144160

申请日：2013-12-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Rok-Hee Lee ,  Jae-Min Sim ,  Do-Man Kim

IPC: G02F1/1335 ,  F21V8/00 ,  H01L25/075 ,  H01L33/50

CPC classification number: G02B6/0073 ,  G02B6/0023 ,  G02B6/0083 ,  H01L25/0753 ,  H01L33/50 ,  H01L2224/48091 ,  H01L2924/00014

Abstract: A liquid crystal display device includes a liquid crystal panel; and a backlight unit disposed under the liquid crystal panel and including an LED assembly, wherein the LED assembly includes a frame portion, LED chips arranged in the frame portion in a line and spaced apart from each other, connecting portions each disposed between adjacent LED chips and connected to adjacent LED chips through wire bonding, and a sealing portion including a fluorescent substance and covering the LED chips and the connecting portions, and wherein the sealing portion changes light emitted from the LED chips into a linear light source.

Abstract translation: 液晶显示装置包括液晶面板; 以及背光单元，其设置在所述液晶面板的下方并且包括LED组件，其中所述LED组件包括框架部分，布置在所述框架部分中并且彼此间隔开的LED芯片，每个设置在相邻LED芯片之间的连接部分 并且通过引线接合连接到相邻的LED芯片，以及包括荧光物质并覆盖LED芯片和连接部分的密封部分，并且其中密封部分将从LED芯片发射的光改变为线性光源。

公开(公告)号：US10732459B2

公开(公告)日：2020-08-04

申请号：US16135838

申请日：2018-09-19

Applicant: LG Display Co., Ltd.

Inventor： Hyun-Min Park ,  Rok-Hee Lee ,  Ki-Seong Kim

IPC: G02F1/13357 ,  H01L25/075 ,  H01L25/13 ,  H05K1/02 ,  H05K1/18 ,  H01L33/50 ,  H01L33/52 ,  H01L33/60

Abstract: A backlight unit includes a plurality of light emitting diode (LED) packages on a top surface of a circuit board, an encapsulation member located on the circuit board and covering the plurality of LED packages, and an integrated pattern sheet on the encapsulation member. The integrated pattern sheet includes a base layer, a plurality of reflective patterns at a bottom surface of the base layer and respectively corresponding to the plurality of LED packages, and a plurality of diffusion patterns at a top surface of the base layer, wherein the reflective patterns are configured with a relational expression of c+(t2−t1)*tan {(sin−1(1/n)}>d

公开(公告)号：US11029562B2

公开(公告)日：2021-06-08

申请号：US16165779

申请日：2018-10-19

Applicant: LG Display Co., Ltd.

Inventor： Rok-Hee Lee ,  Yong-Seok Kwak ,  Il-Soo Kim

IPC: G02F1/13357 ,  G09G3/36 ,  G09G3/34 ,  G02F1/1335 ,  G02B5/02

Abstract: A liquid crystal display device comprises a liquid crystal panel and a backlight unit under the liquid crystal panel and including a circuit board; a plurality of LED packages mounted on the circuit board; an encapsulation member over the circuit board and covering the plurality of LED packages; and a multi-pattern sheet over the encapsulation member and including a glass complex body containing a phosphor and a plurality of diffusion patterns on an upper surface of the glass complex body, wherein the plurality of diffusion patterns include at least one first pattern corresponding to an LED package and at least one second pattern corresponding to a portion between adjacent LED packages.