公开(公告)号：US11527593B2

公开(公告)日：2022-12-13

申请号：US17121362

申请日：2020-12-14

Applicant: LG Display Co., Ltd.

Inventor： Seungbum Lee ,  Wonrae Kim ,  Jungmin Yoon ,  Sooin Kim

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light-emitting display device includes a substrate; a thin-film transistor layer disposed on the substrate, and including a thin-film transistor including a gate electrode, a source electrode, and a drain electrode; a color filter layer disposed on the thin-film transistor layer and including a red color filter, a green color filter, and a blue color filter; an organic light-emitting element disposed on the color filter layer; and a plurality of out-coupling enhancing members formed in the thin-film transistor layer, wherein the out-coupling enhancing members are spaced from each other at a predetermined spacing and each of the out-coupling enhancing members extends in a stripe shape, and the out-coupling enhancing members vertically overlap the red color filter.

公开(公告)号：US11972080B2

公开(公告)日：2024-04-30

申请号：US17962124

申请日：2022-10-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Wonrae Kim ,  KyungKook Jang ,  JongHoon Woo ,  Sungjin Kim

IPC: G06F3/044 ,  G06F3/041 ,  H10K59/40

CPC classification number: G06F3/0445 ,  G06F3/0412 ,  G06F3/0446 ,  H10K59/40 ,  G06F2203/04112

Abstract: A touch display device and a film for the touch display device, capable of increasing power efficiency to provide a hover touch function, by providing a touch display device comprising a display panel having a plurality of subpixels, and having a plurality of data lines and a plurality of gate lines electrically connected with the plurality of subpixels, a touch panel having a plurality of driving touch electrodes positioned to overlap with at least one subpixel among the plurality of subpixels, a touch driving signal for touch sensing applied to one or more driving touch electrodes among the plurality of driving touch electrodes, and a magnetic substance disposed around each of the plurality of driving touch electrodes, on the plurality of driving touch electrodes.

公开(公告)号：US10459167B2

公开(公告)日：2019-10-29

申请号：US16108228

申请日：2018-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wonrae Kim ,  Seungbum Lee ,  Sooin Kim

IPC: G02B6/293 ,  G02B6/02 ,  H01L33/50

Abstract: The present disclosure relates to an optical fiber capable of converting a wavelength of a light emitted from a light source and a backlight unit using the same.According to the present disclosure, it is possible to extract a light of a desired wavelength band or a desired color (for example, a white light) by connecting an optical fiber, to which a color conversion material is applied, to a single laser light emitting element that emits a light of a specific wavelength band.

公开(公告)号：US20230215991A1

公开(公告)日：2023-07-06

申请号：US18077418

申请日：2022-12-08

Applicant: LG Display Co., Ltd.

Inventor： DaBin Kim ,  KyungKook Jang ,  SeungBum Lee ,  SeungRyong Lee ,  ChaeKyung Lim ,  Wonrae Kim ,  Jungmin Yoon

IPC: H01L33/50 ,  H01L25/16

CPC classification number: H01L33/504 ,  H01L25/167 ,  H01L33/507

Abstract: The present disclosure relates to a display device, including at least one or more light sources disposed for each pixel and a light conversion layer disposed on the light source to convert a wavelength of light generated from the light source, wherein the light conversion layer includes a perovskite matrix and quantum dots.

公开(公告)号：US20190162905A1

公开(公告)日：2019-05-30

申请号：US16108228

申请日：2018-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wonrae Kim ,  Seungbum Lee ,  Sooin Kim

IPC: G02B6/293 ,  H01L33/50 ,  G02B6/02

Abstract: The present disclosure relates to an optical fiber capable of converting a wavelength of a light emitted from a light source and a backlight unit using the same.According to the present disclosure, it is possible to extract a light of a desired wavelength band or a desired color (for example, a white light) by connecting an optical fiber, to which a color conversion material is applied, to a single laser light emitting element that emits a light of a specific wavelength band.

公开(公告)号：US11917856B2

公开(公告)日：2024-02-27

申请号：US17405948

申请日：2021-08-18

Applicant: LG Display Co., Ltd.

Inventor： Seonghan Hwang ,  Wonrae Kim

IPC: H10K50/86 ,  H10K59/122 ,  H10K71/00 ,  H10K59/124 ,  H10K59/12

CPC classification number: H10K50/865 ,  H10K59/122 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/124

Abstract: An organic light-emitting display device includes first to third color filters disposed respectively in first to third sub-pixel areas, a planarization layer disposed on the first to third color filters, and a bank layer disposed on the planarization layer and between adjacent sub-pixel areas, wherein a portion of the second color filter protrudes upwardly beyond a top face of the planarization layer, wherein the bank layer covers the portion of the second color filter protruding upwardly beyond the top face of the planarization layer. The display device has a stack structure of the portion of the blue color filter protruding upwardly beyond a top face of the planarization layer and the bank layer covering the portion, thereby suppressing light leakage between adjacent sub-pixel areas, and improving a lifetime of an organic light emitting element.

公开(公告)号：US11088237B2

公开(公告)日：2021-08-10

申请号：US16586953

申请日：2019-09-28

Applicant: LG Display Co., Ltd.

Inventor： Seungbum Lee ,  Wonrae Kim ,  Sooin Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: A self-light emitting display device comprises a circuit board including a driving thin-film transistor; a cathode; an organic film disposed between the circuit board and the cathode; an anode disposed between the circuit board and the organic film; and a color filter disposed between the circuit board and the anode and including a first color filter unit, a second color filter unit, and a third color filter unit; wherein the third color filter unit has a portion disposed between the first color filter unit and the second color filter unit, and wherein the third color filter unit is thicker than the first color filter unit and the second color filter unit.

公开(公告)号：US10825872B2

公开(公告)日：2020-11-03

申请号：US16586955

申请日：2019-09-28

Applicant: LG Display Co., Ltd.

Inventor： Sooin Kim ,  Seungbum Lee ,  Wonrae Kim

IPC: H01L29/08 ,  H01L27/32

Abstract: A self-light emitting display device comprises at least one pixel comprising a first region, a second region and a third region; a blue light emitting diode disposed in the at least one pixel and configured to emit blue light; partitions disposed over the blue light emitting diode and spaced apart from one another, the partitions defining the first region, the second region and the third region; a color conversion pattern disposed over the blue light emitting diode and including a red color converting unit disposed between the partitions in the first region and configured to convert the blue light into red light and a green color converting unit disposed between the partitions in the second region and configured to convert the blue light into green light; and a selective transmission layer configured to transmit the blue light and to reflect the green light and the red light and comprising a first selective transmission region corresponding to the first and second regions, wherein the first selective transmission region includes a first bottom portion disposed between the color conversion pattern and the blue light emitting diode, and a first wall portion disposed between the color conversion pattern and partitions and extending from the first bottom portion.

公开(公告)号：US10770516B2

公开(公告)日：2020-09-08

申请号：US16593415

申请日：2019-10-04

Applicant: LG Display Co., Ltd.

Inventor： Wonrae Kim ,  Seungbum Lee ,  Sooin Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: A self-light emitting display device comprises at least one pixel including a first region and a second region; blue walls spaced apart from each other and dividing the first region and the second region to reflect and scatter blue light; a blue light-emitting layer configured to output the blue light and including a first blue light-emitting unit disposed between the blue walls in the first region, and a second blue light-emitting unit disposed between the blue walls in the second region; and a color conversion layer disposed over the blue light-emitting layer and including a green conversion unit disposed between the blue walls in the first region and configured to convert the blue light into green light, and a red conversion unit disposed between the blue walls in the second region and configured to convert the blue light into red light.

公开(公告)号：US12249617B2

公开(公告)日：2025-03-11

申请号：US17528762

申请日：2021-11-17

Applicant: LG DISPLAY CO., LTD

Inventor： Seungcheol You ,  Wonrae Kim ,  SeungBum Lee

IPC: H01L27/15 ,  H01L33/10 ,  H01L33/50

Abstract: A display apparatus includes a display panel on which a plurality of pixels are displayed, a plurality of signal lines to which a signal required to drive the display panel is supplied, and an electrostatic discharge circuit connected between each of the plurality of signal lines and the electrostatic discharge line, and the electrostatic discharge circuit includes first and second current paths between the signal line and the electrostatic discharge line, a first electrostatic discharge circuit connected to the first current path, including a plurality of first thin film transistors having a first gate electrode connected to the second current path and a second gate electrode connected to the first current path, and a second electrostatic discharge circuit connected to the second current path, including at least one second thin film transistor having a first gate electrode connected to the first current path and a second gate electrode connected to the first current path.