公开(公告)号：US12248641B2

公开(公告)日：2025-03-11

申请号：US18215652

申请日：2023-06-28

Applicant: LG Display Co., Ltd.

Inventor： Minsuk Kong ,  Doman Kim ,  Younggyu Moon

IPC: G06F3/041 ,  G06F3/044 ,  H10K50/86 ,  H10K59/12 ,  H10K59/40

Abstract: A touch panel and a touch display device with the same are disclosed. A touch panel is disclosed in which at least one layer of a first insulating layer is disposed on the display panel, first touch electrodes are disposed on the first insulating layer, at least one second insulating layer is disposed on a first touch electrode, second touch electrodes are disposed on the second insulating layer, a third insulating layer is disposed on the second insulating layer on which the second touch electrodes are disposed, each of the first touch electrodes and each of the second touch electrodes overlap each other, and a refractive index of at least one of the first insulating layer, the second insulating layer and the third insulating layer is different from that of the other insulating layers, thereby improving the visibility of the touch display device.

公开(公告)号：US20250081680A1

公开(公告)日：2025-03-06

申请号：US18741433

申请日：2024-06-12

Applicant: LG Display Co., Ltd.

Inventor： Hyun Chyol SHIN ,  Hee Won LEE ,  Sang Hak SHIN ,  Jae Kwang LEE ,  Hyoung Sun PARK ,  Hyun Seok NA ,  Seong Soo CHO ,  Kyeong Min YUK

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/62

Abstract: The present disclosure provides a display device that includes an insulating layer disposed on a substrate. The display device further includes a plurality of first electrodes and contact electrodes disposed on the insulating layer. The display device further includes a plurality of light-emitting elements disposed on the plurality of first electrodes. The display device further includes a second electrode disposed on the plurality of light-emitting elements. The display device further includes a passivation layer covering the first electrode. The display device further includes a first opening hole at the passivation layer. The first opening hole extends through the passivation layer. The passivation layer has a first opening hole exposing a portion of an upper surface of the first electrode.

公开(公告)号：US20250077025A1

公开(公告)日：2025-03-06

申请号：US18952213

申请日：2024-11-19

Applicant: LG Display Co., Ltd.

Inventor： Sangug AN ,  SungIl BYUN

IPC: G06F3/041 ,  G06F3/044

Abstract: Embodiments of the disclosure relate to a touch display device and a level shifter for a touch display device. Specifically, embodiments of the disclosure may provide a touch display device comprising a plurality of touch electrodes and an overcurrent detection circuit configured to detect a current flowing through at least one touch pad electrically connected with at least one touch electrode among the plurality of touch electrodes. Thus, embodiments of the disclosure may provide a touch display device and a level shifter for a touch display device, which may increase the accuracy of touch sensing and easily determine whether the touch panel has an abnormality.

公开(公告)号：US20250076931A1

公开(公告)日：2025-03-06

申请号：US18802669

申请日：2024-08-13

Applicant: LG Display Co., Ltd.

Inventor： Gotae Kim ,  JungHyun Kim

IPC: G06F1/16

Abstract: A display device includes a display panel comprising a plurality of non-bending areas, and a bending area between the plurality of non-bending areas; and a support member on a rear surface of the display panel, wherein a first end of the support member in the bending area and a second end of the support member in the non-bending area have different shapes.

公开(公告)号：US12245482B2

公开(公告)日：2025-03-04

申请号：US18405889

申请日：2024-01-05

Applicant: LG Display Co., Ltd.

Inventor： SunWoong Han ,  Sang-Il Shin ,  Jaechang Kang

IPC: H10K59/131 ,  H10D89/60 ,  H10K59/121

Abstract: According to an exemplary embodiment of the present disclosure, a display device includes a display panel divided into a display area, a non-display area, a bending area, and a pad area and bent in one direction in the bending area; a plurality of pixels disposed in the display area; at least one gate driver disposed in the non-display area and configured to supply a gate voltage to the plurality of pixels; flexible films connected to a plurality of pads disposed in the pad area; and at least one electrostatic discharge (ESD) circuit disposed in the pad area and connected to the at least one gate driver through a discharge line.

公开(公告)号：US12242682B2

公开(公告)日：2025-03-04

申请号：US18387639

申请日：2023-11-07

Applicant: LG Display Co., Ltd.

Inventor： JaeHee Park ,  MiReum Lee ,  Dojin Kim

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3225 ,  H10K59/40 ,  H10K59/88

Abstract: A transparent display device with a touch sensor can include a plurality of subpixels disposed in a non-transmission area of a substrate, the plurality of subpixels including a light emitting element with an anode electrode, a light emitting layer, and a cathode electrode; and a touch sensor in a transmission area of the substrate and including a touch sensor electrode. Also, the transparent display device can include an undercut structure for separating the cathode electrode from the touch sensor electrode of the touch sensor, in which the undercut structure is in the transmission area of the substrate and includes a plurality of inorganic layers including an opening area between an edge area of the touch sensor and an edge area of one of the plurality of subpixels; and an organic pattern on an edge area of the plurality of inorganic layers, the organic pattern being spaced apart from the subpixels.

公开(公告)号：US12242156B2

公开(公告)日：2025-03-04

申请号：US18497610

申请日：2023-10-30

Applicant: LG Display Co., Ltd.

Inventor： Chulgoo Son ,  Kiduck Park ,  Jeongho Seo ,  Dongjun Cho ,  Sunghyun Jung ,  Inwha Lee

IPC: G02F1/13357

Abstract: A backlight unit is provided which includes: a bottom chassis; a light source on the bottom chassis; an optical sheet over the light source; and a support between the bottom chassis and the optical sheet, and configured to support the optical sheet. The support includes: a fastening portion fastened to the bottom chassis, a support portion contacting the optical sheet, and a body portion between the fastening portion and the support portion. The body portion includes: a first portion extending in a first direction; a second portion extending in the first direction and is between the first portion and the fastening portion; and a third portion which connects the first portion and the second portion. The first portion and the second portion are spaced apart from each other.

公开(公告)号：US12242154B2

公开(公告)日：2025-03-04

申请号：US18498412

申请日：2023-10-31

Applicant: LG Display Co., Ltd.

Inventor： Yongseok Lee ,  Hyukjoon Yoon

IPC: G02F1/1335

Abstract: Embodiments relate to a display device including: a display panel configured to display an image; a backlight unit below the display panel, the blacklight unit configured to emit light; and an optical path control member interposed between the display panel and the backlight unit. The optical path control member includes a first electrode, a second electrode, and a light conversion layer interposed between the first electrode and the second electrode. The light conversion layer includes: a partition portion; and receiving portions which are formed in a pyramid shape within the partition portion and in which scattered particles are dispersed.

公开(公告)号：US20250072056A1

公开(公告)日：2025-02-27

申请号：US18946627

申请日：2024-11-13

Applicant: LG Display Co., Ltd.

Inventor： Sunggu Kim ,  DaeHwan Kim

IPC: H01L29/786 ,  H01L29/24

Abstract: A thin film transistor and a display apparatus comprising the same are provided, in which the thin film transistor comprises an active layer, a barrier layer on the active layer; a gate insulating layer on the barrier layer; and a gate electrode on the gate insulating layer, wherein at least a portion of the gate electrode overlaps at least a portion of the active layer, and the barrier layer includes an oxide semiconductor material and has a resistivity greater than a resistivity of the active layer and has a thickness less than a thickness of the active layer.

公开(公告)号：US20250069555A1

公开(公告)日：2025-02-27

申请号：US18789355

申请日：2024-07-30

Applicant: LG Display Co., Ltd.

Inventor： Byeongchul KIM ,  Dongsup SIM

IPC: G09G3/3266 ,  G09G3/3233

Abstract: Disclosed is a display device that reduces a flicker phenomenon that occurs in a low-speed operation in a Variable Refresh Rate (VRR) mode by tuning a bias voltage based on a refresh rate and supplying the tuned bias voltage to a display panel. The display device includes a display panel including a plurality of pixels; and a power supply for supplying a bias voltage and an anode reset voltage to the plurality of pixels, wherein when the display device operates in a VRR mode, the display device is configured to adjust at least one of a level and an application time of the bias voltage based on a refresh rate in an anode reset frame.