公开(公告)号：US11749688B2

公开(公告)日：2023-09-05

申请号：US17132884

申请日：2020-12-23

Applicant: LG Display Co., Ltd.

Inventor： Sul Lee ,  JeongHyeon Choi ,  Eunil Cho

IPC: H01L27/12 ,  G09G3/3275 ,  G09G3/3266 ,  H10K59/65 ,  H10K59/131

CPC classification number: H01L27/124 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/131 ,  H10K59/65

Abstract: A light emitting display panel includes a transparent area corresponding to an area where a camera is provided. The transparent area includes a first pixel circuit layer including a first pixel circuit, a second pixel circuit layer provided on the first pixel circuit layer, the second pixel circuit layer including a second pixel circuit, and a light emitting device layer provided on the second pixel circuit layer, the light emitting device layer including at least one light emitting device. A driving transistor for controlling the amount of current flowing to the light emitting device is included in at least one of the first pixel circuit layer and the second pixel circuit layer.

公开(公告)号：US20220208934A1

公开(公告)日：2022-06-30

申请号：US17536934

申请日：2021-11-29

Applicant: LG Display Co., Ltd.

Inventor： Jonghyeok Im ,  Sul Lee ,  Hyoung-Su Kim

IPC: H01L27/32

Abstract: Disclosed is a display apparatus capable of reducing a voltage drop of a common electrode and improving a transmittance. The display apparatus comprises a substrate including a display area having a first area and a second area, a first electrode disposed on the substrate and configured to cover the first area and the second area, a first common power line disposed between the substrate and the first electrode and connected to the first electrode provided in the first area, and a second common power line connected to the first electrode provided in the second area through the first area.

公开(公告)号：US10162207B2

公开(公告)日：2018-12-25

申请号：US15798526

申请日：2017-10-31

Applicant: LG Display Co., Ltd.

Inventor： Sul Lee ,  Sunhwa Lee ,  Seongjun Cho

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1343

Abstract: The present disclosure relates to an ultra high resolution liquid crystal display having a compensation thin film transistor. The present disclosure provides an ultra high density liquid crystal display comprising: a gate line on a substrate; a first gate insulating layer on the gate line; a first semiconductor layer crossing the gate line on the first gate insulating layer; a second gate insulating layer on the first semiconductor layer; a second semiconductor layer crossing the gate line on the second gate insulating layer; an intermediate insulating layer on the second semiconductor layer; a data line connected to the first semiconductor layer on the intermediate insulating layer; and a drain electrode connected to the second semiconductor layer on the intermediate insulating layer.

公开(公告)号：US09425216B2

公开(公告)日：2016-08-23

申请号：US14310888

申请日：2014-06-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Hun Jang ,  Sul Lee

IPC: H01L27/12

CPC classification number: H01L27/1225 ,  H01L27/124 ,  H01L27/1288

Abstract: The present disclosure relates to a thin film transistor substrate having a metal oxide semiconductor for the fringe field type flat panel displays and a method for manufacturing the same. The thin film transistor substrate having an oxide semiconductor layer can include a substrate including pixel region; a gate element formed on the substrate; a gate insulating layer covering the gate element; a channel layer on the gate insulating layer, a source area expanded form a first side of the channel layer, a drain area expanded from a second side of the channel layer, and a pixel electrode expanded from the drain area to the pixel region; an etch stopper formed on the channel layer; a data element formed on the etch stopper; and a common electrode formed on the passivation layer and within the pixel region.

Abstract translation: 本公开涉及具有用于边缘场型平板显示器的金属氧化物半导体的薄膜晶体管基板及其制造方法。 具有氧化物半导体层的薄膜晶体管基板可以包括：包括像素区域的基板; 形成在所述基板上的栅极元件; 覆盖所述栅极元件的栅极绝缘层; 栅极绝缘层上的沟道层，从沟道层的第一侧扩展的源极区域，从沟道层的第二侧扩大的漏极区域和从漏极区域扩散到像素区域的像素电极; 形成在沟道层上的蚀刻停止层; 形成在蚀刻停止器上的数据元件; 以及形成在钝化层上和像素区域内的公共电极。

公开(公告)号：US11751463B2

公开(公告)日：2023-09-05

申请号：US17132561

申请日：2020-12-23

Applicant: LG Display Co., Ltd.

Inventor： Jeonghyeon Choi ,  Sul Lee ,  Eunil Cho

IPC: H10K59/65 ,  H10K59/131

CPC classification number: H10K59/65 ,  H10K59/131

Abstract: An organic light emitting display apparatus and an electronic device including the same are provided. The organic light emitting display apparatus comprises an organic light emitting display panel including a display area and a non-display area, the display area including a transparent area, a buffer area provided outside the transparent area, and an opaque area provided outside the buffer area, a camera provided in the transparent area in a rear surface of the organic light emitting display panel to photograph a region in a forward direction with respect to the organic light emitting display panel, and a transparent area pixel driving circuit provided in the buffer area to drive a transparent area organic light emitting diode provided in the transparent area. The transparent area organic light emitting diode is connected to the transparent area pixel driving circuit through a transparent area electrode line.

公开(公告)号：US11574593B2

公开(公告)日：2023-02-07

申请号：US17082796

申请日：2020-10-28

Applicant: LG Display Co., Ltd.

Inventor： JeongHyeon Choi ,  Sul Lee ,  Eunil Cho

IPC: G09G5/00 ,  G09G3/3258 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32 ,  H01L51/52

Abstract: A light emitting display panel having a high resolution is provided. The light emitting display panel includes a plurality of pixels. Each of the plurality of pixels includes a first pixel circuit layer, a second pixel circuit layer, and a light emitting device layer. The first pixel circuit layer includes a first pixel circuit that includes a first layer electrode. The second pixel circuit layer includes a second pixel circuit that includes a second layer electrode which configures a first capacitor along with the first layer electrode. The light emitting device layer includes a light emitting device electrically connected to a driving transistor provided in the second pixel circuit layer.

公开(公告)号：US11322552B2

公开(公告)日：2022-05-03

申请号：US16716856

申请日：2019-12-17

Applicant: LG Display Co., Ltd.

Inventor： Minki Kim ,  ChoongKeun Yoo ,  TaeHan Park ,  Sul Lee ,  Hansun Park

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.

公开(公告)号：US20180122832A1

公开(公告)日：2018-05-03

申请号：US15798526

申请日：2017-10-31

Applicant: LG Display Co., Ltd.

Inventor： Sul Lee ,  Sunhwa Lee ,  Seongjun Cho

IPC: H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333

CPC classification number: G02F1/133345 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134372 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/40 ,  G02F2202/104 ,  H01L27/1214

Abstract: The present disclosure relates to an ultra high resolution liquid crystal display having a compensation thin film transistor. The present disclosure provides an ultra high density liquid crystal display comprising: a gate line on a substrate; a first gate insulating layer on the gate line; a first semiconductor layer crossing the gate line on the first gate insulating layer; a second gate insulating layer on the first semiconductor layer; a second semiconductor layer crossing the gate line on the second gate insulating layer; an intermediate insulating layer on the second semiconductor layer; a data line connected to the first semiconductor layer on the intermediate insulating layer; and a drain electrode connected to the second semiconductor layer on the intermediate insulating layer.

公开(公告)号：US11088339B2

公开(公告)日：2021-08-10

申请号：US16519403

申请日：2019-07-23

Applicant: LG Display Co., Ltd.

Inventor： Ho-Jin Kim ,  SeungMin Baik ,  JiYeon Park ,  Sul Lee ,  Sukhyeun Jang

IPC: H01L51/50 ,  H01L27/32

Abstract: An electroluminescent display device includes: an electroluminescent display device, including: a substrate including: a first subpixel, and a second subpixel, a respective first electrode in each of the first subpixel and the second subpixel on the substrate, a trench in a boundary between the first subpixel and the second subpixel on the substrate, an emission layer on the first electrode, and in the first subpixel, the second subpixel, and the boundary between the first subpixel and the second subpixel, at least some of the emission layer being noncontiguous in the trench, a pore below the emission layer inside the trench, an upper end of the pore being relatively higher than at least some of the emission layer, and a second electrode on the emission layer.

公开(公告)号：US20200212111A1

公开(公告)日：2020-07-02

申请号：US16716856

申请日：2019-12-17

Applicant: LG Display Co., Ltd.

Inventor： Minki Kim ,  ChoongKeun Yoo ,  TaeHan Park ,  Sul Lee ,  Hansun Park

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.