公开(公告)号：US20250107297A1

公开(公告)日：2025-03-27

申请号：US18969731

申请日：2024-12-05

Applicant: LG Display Co., Ltd.

Inventor： Seongyong CHO ,  Hoon KANG

IPC: H01L33/60 ,  G02B5/02 ,  H01L25/16

Abstract: Disclosed is a light emitting diode display device comprising a light emitting diode over a substrate, and an optical element provided with liquid crystal molecule randomly distributed therein and configured to change a path of light emitted from the light emitting diode.

公开(公告)号：US20250104652A1

公开(公告)日：2025-03-27

申请号：US18882307

申请日：2024-09-11

Applicant: LG Display Co., Ltd.

Inventor： ChulWoo Park ,  KyungHoon Lee

IPC: G09G3/3275 ,  H05K1/11

Abstract: A source printed circuit board and a display device including the source printed circuit board are disclosed. The source printed circuit board includes a second copper plate layer that includes a mesh area corresponding to a pad area, an air hole is disposed in the lower part of a third copper plate layer corresponding to the pad area, and a back drill through hole connected to the second copper plate layer and the third copper plate layer is not connected to a first copper plate layer, thereby maintaining the bonding temperature.

公开(公告)号：US12262612B2

公开(公告)日：2025-03-25

申请号：US17564923

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： Minjae Shin ,  Insu Hwang

IPC: H10K59/35 ,  H10K59/18

Abstract: A light emitting display apparatus includes a plurality of pixels arranged along a first direction and a second direction different from the first direction over a first substrate, a circuit layer including a pixel common voltage line in parallel with the second direction and disposed between the plurality of pixels along the first direction, a light emitting device layer including a self-emitting device disposed over the circuit layer and a common electrode disposed over the self-emitting device, a common electrode connection portion electrically coupling the pixel common voltage line to the common electrode, and an inner isolation portion surrounding the common electrode connection portion and isolating the self-emitting device disposed over the inner isolation portion.

公开(公告)号：US12260828B2

公开(公告)日：2025-03-25

申请号：US18508340

申请日：2023-11-14

Applicant: LG Display Co., Ltd.

Inventor： Jaesung Park ,  Kwangsoo Kim

IPC: G09G3/3266

Abstract: Disclosed herein are a gate driving circuit having a small-area structure and a display device, and more specifically, each of a plurality of stage circuits included in the gate driving circuit includes a sensing part, a logic part, and a buffer group, first to fourth scan clock signals and a first carry clock signal are electrically connected to a first stage circuit, and fifth to eighth scan clock signals and a second carry clock signal are electrically connected to a second stage circuit.

公开(公告)号：US12260823B2

公开(公告)日：2025-03-25

申请号：US18532843

申请日：2023-12-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong Kyu Lee ,  Seung Tae Jin

IPC: G09G3/3233

Abstract: Disclosed is a pixel circuit. The pixel circuit includes: a capacitor coupled between a first node and a second node; a driving element connected to a first constant voltage node, the second node, and a third node; a light emitting element connected to a fourth node and a second constant voltage node; a first switch element; a second switch element; a third switch element connected between the fourth node and the second constant voltage node or between the fourth node and a fourth constant voltage node; a fourth switch element connected between the first node and a third constant voltage node; a fifth switch element connected between the second node and the third constant voltage node or between the first node and the second node; and a sixth switch element connected between the third node and the fourth node.

公开(公告)号：US12258663B2

公开(公告)日：2025-03-25

申请号：US18180585

申请日：2023-03-08

Applicant: LG Display Co., Ltd.

Inventor： Jaeyoon Park ,  JaeHyeon Park ,  KiHoon Park ,  PilSang Yun

IPC: C23C16/455 ,  C23C16/40 ,  C23C16/44 ,  C23C16/448 ,  H01L27/12

Abstract: Disclosed are an apparatus and method of manufacturing an oxide film having a uniform composition and thickness. The apparatus includes a lower chamber including a reaction space, a susceptor to support a substrate, a chamber lid including gas injection ports, a gas distribution module between the chamber lid and the susceptor and connected to the gas injection ports, a first source container module comprising a first source gas having a first vapor pressure, a first carrier gas supply module supplying a first carrier gas to the first source container module, a second source container module comprising a second source gas having a second vapor pressure, a force gas supply module supplying a force gas, and a reactant gas supply module supplying a reactant gas.

公开(公告)号：US20250098370A1

公开(公告)日：2025-03-20

申请号：US18788349

申请日：2024-07-30

Applicant: LG DISPLAY CO., LTD.

Inventor： YoungIn JANG ,  KwangSu LIM ,  Junhyeok LEE ,  HyunGon KIM

IPC: H01L33/24 ,  H01L25/16 ,  H01L33/62

Abstract: A display device includes a substrate on which a plurality of subpixels is defined, and a plurality of light-emitting elements respectively disposed in the plurality of subpixels. Each of the plurality of light-emitting elements includes a first semiconductor layer, a light-emitting layer on the first semiconductor layer, and a second semiconductor layer on the light-emitting layer. The first semiconductor layer includes a first part having a flat top surface, and a second part protruding upward from the first part and being in direct contact with a bottom surface of the light-emitting layer. An area of a top surface of the second semiconductor layer is larger than an area of a bottom surface of the second semiconductor layer.

公开(公告)号：US12256603B2

公开(公告)日：2025-03-18

申请号：US18518019

申请日：2023-11-22

Applicant: LG Display Co., Ltd.

Inventor： Mihee Shin ,  Minha Kang ,  JuhnSuk Yoo ,  YongMin Ha

IPC: H01L29/08 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

Abstract: A display panel can include a first area including a first plurality of subpixels, a second area including a second plurality of subpixels, and at least one light-transmitting portion between adjacent subpixels among the second plurality of subpixels. Also, a first subpixel in the first area includes a first light emitting layer, a first thin film transistor including a first channel area, and a first conductive member disposed under and overlapping with the first channel area of the first thin film transistor, and a second subpixel in the second area includes a second light emitting layer, a second thin film transistor including a second channel area, and a second conductive member disposed under and overlapping with the second channel area of the second thin film transistor. The first conductive member in the first subpixel in the first area is on a higher layer than the second conductive member.

公开(公告)号：US12256600B2

公开(公告)日：2025-03-18

申请号：US18516817

申请日：2023-11-21

Applicant: LG Display Co., Ltd.

Inventor： Sunghee Park ,  Sunyoung Park ,  Taehee Ko

IPC: G09G3/20 ,  H10K59/121

Abstract: A transparent display apparatus is provided, which reduces a visibility difference between a non-display area and a display area, and has excellent encapsulation characteristics. The transparent display apparatus comprises a substrate having a display area and a non-display area adjacent to the display area, a plurality of pixels disposed in the display area, having a first transmissive portion, and a second transmissive portion disposed in the non-display area.

公开(公告)号：US12254821B2

公开(公告)日：2025-03-18

申请号：US18405527

申请日：2024-01-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Sujin Hwang ,  Miyoung Son

IPC: G09G3/32

Abstract: In one aspect, a micro-LED display device includes a display panel with an array of a plurality of pixels, a first switch line, and a second switch line disposed in the display panel. Each of the plurality of pixels includes a micro-LED; a sub-pixel circuit configured to cause the micro-LED to emit light; and a Gate In Active (GIA) circuit configured to provide a scan signal to the sub-pixel circuit. The GIA circuit includes at least one gate driver configured to be enabled or disabled based on a first selection signal transmitted from the first switch line. The GIA circuit further includes at least one redundant gate driver configured to be enabled or disabled based on a second selection signal transmitted from the second switch line, wherein the redundant gate driver is enabled when the gate driver is disabled.