公开(公告)号：US12289938B2

公开(公告)日：2025-04-29

申请号：US17519072

申请日：2021-11-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae Gyu Lee ,  Jung Eun Lee ,  Kyung Ha Lee

IPC: H10H29/14 ,  H10H20/821 ,  H10H20/831 ,  H10H20/832 ,  H10H20/84 ,  H10H20/851 ,  H10H20/855

Abstract: A display device capable of improving a light emission efficiency includes a plurality of insulating films disposed on a substrate, a trench exposing side surfaces of the plurality of insulating films, a first alignment electrode disposed on the side surfaces of the plurality of insulating films exposed by the trench, a second alignment electrode disposed so as to be surrounded by the first alignment electrode, and a light-emitting device connected to the first and second alignment electrodes and disposed between the first and second alignment electrodes within the trench, thereby improving a light emission efficiency.

公开(公告)号：US12078888B2

公开(公告)日：2024-09-03

申请号：US17532198

申请日：2021-11-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyung Ha Lee ,  Sung Woo Choi ,  Nam Kook Kim

IPC: G02F1/1335 ,  G02F1/13357 ,  H01L25/075 ,  H01L33/62

CPC classification number: G02F1/133612 ,  G02F1/133603 ,  H01L25/0753 ,  H01L33/62

Abstract: A display device including a backlight unit that includes a barrier layer disposed between a light-emitting chip and an electrode pad to reduce the contact area between a solder and the electrode pad due to the barrier layer, so that a portion of the electrode pad overlapping with the barrier layer is left behind without being diffused into the solder, and rework can be performed on a process of mounting the light-emitting chip.

公开(公告)号：US09820340B2

公开(公告)日：2017-11-14

申请号：US14816523

申请日：2015-08-03

Applicant: LG Display Co., Ltd.

Inventor： Kyu Hwang Lee ,  Tae Joon Song ,  Jung Eun Lee ,  Kyung Ha Lee ,  Hwan Keon Lee

IPC: H01J9/00 ,  H01J9/26 ,  H05B33/04 ,  H05B33/10 ,  H05B33/14

CPC classification number: H05B33/04 ,  H01L51/5246 ,  H01L51/5281 ,  H05B33/10 ,  H05B33/14

Abstract: An organic light emitting display device includes a substrate having a display area and a non-display area, an organic light emitting element and a sealing layer sequentially stacked on one side of the substrate in the display area, a support layer on the one side of the substrate in the non-display area, and a polarizing plate on the support layer in the non-display area and on the sealing layer in the display area, the polarizing plate covering an entirety of the support layer.

公开(公告)号：US08928839B2

公开(公告)日：2015-01-06

申请号：US14297533

申请日：2014-06-05

Applicant: LG Display Co., Ltd.

Inventor： Se Hong Park ,  Jae Seok Park ,  Kyung Ha Lee

IPC: G02F1/1335 ,  G09F13/04 ,  F21V7/04 ,  F21V8/00

CPC classification number: G02B6/0076 ,  G02B6/0036 ,  G02B6/0056 ,  G02F1/133615 ,  G02F2001/133626 ,  G02F2203/01

Abstract: A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space.

Abstract translation: 显示装置包括通过液晶分子改变偏振光相位的液晶显示面板，其中第二导光板的第二凹陷图形直接面对第一导光板的第一凹陷图案，以形成第一空间 并且其中所述第一导光板的第一平坦表面直接面对所述第二导光板的第二平坦表面，以形成比所述第一空间窄的第二空间。

公开(公告)号：US12289939B2

公开(公告)日：2025-04-29

申请号：US17536142

申请日：2021-11-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang Hoon Pak ,  Tae Gyu Lee ,  Seon Hee Lee ,  Jung Eun Lee ,  Kyung Ha Lee

IPC: H10H29/14 ,  H10D30/67 ,  H10H20/821 ,  H10H20/831 ,  H10H20/84 ,  H10H20/851 ,  H10H20/855

Abstract: A display device includes first and second alignment electrodes disposed on a substrate, an alignment insulating film having a concave portion disposed between the first and second alignment electrodes, a light-emitting device disposed on the alignment insulating film, first and second electrodes electrically connected to the light-emitting device, a thin-film transistor connected to one of the first and second electrodes, and a plurality of insulating films providing a trench disposed on the concave portion, the trench having a larger width than the concave portion, thereby improving emission efficiency.