公开(公告)号：US20250140207A1

公开(公告)日：2025-05-01

申请号：US19006626

申请日：2024-12-31

Applicant: LG DISPLAY CO., LTD.

Inventor： Donghyun KIM ,  DongJun KIM

IPC: G09G3/3266

Abstract: A display apparatus includes an active area, an inactive area surrounding the active area, a pixel disposed in the active area, and a driver IC, a gate driver, a low-potential power supply line, a high-potential power supply line and a subframe controller disposed in the inactive area, wherein the subframe controller is disposed between the pixel and the gate driver.

公开(公告)号：US20250140165A1

公开(公告)日：2025-05-01

申请号：US18738505

申请日：2024-06-10

Applicant: LG Display Co., Ltd.

Inventor： Sung Ho AN

IPC: G09G3/32 ,  G06T7/00 ,  G09G3/20

Abstract: A luminance uniformity compensation system includes a display device having a display panel; a camera configured to generate picture data by capturing the display panel and extracting luminance data of the display panel from the picture data; and a uniformity compensation device configured to generate block compensation data of a unit block and priority pixel compensation data of a priority pixel of the unit block from the luminance data of the display panel and transmitting the block compensation data and the priority pixel compensation data to the display device, wherein the unit block includes a block of pixels defined within the display panel, and wherein the priority pixel includes a pixel having one of a dark spot or a bright spot.

公开(公告)号：US12289964B2

公开(公告)日：2025-04-29

申请号：US18228812

申请日：2023-08-01

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokWoo Son ,  JungSun Baek ,  Joyeon Kim

IPC: H10K59/122 ,  H10K50/818 ,  H10K59/35

Abstract: A display panel can include a substrate including an active area and a non-active area; a transistor disposed on the substrate; an insulation film disposed on the transistor, the insulation film including at least one concave portion; and a sub-pixel electrically connected to the transistor, the sub-pixel including an organic light emitting diode disposed on the insulation film. Also, the sub-pixel includes at least two light emitting parts and at least one non-light emitting part, and the at least one non-light emitting part is disposed between the at least two light emitting parts, and a surface of the organic light emitting diode includes at least one protrusion located in the at least one non-light emitting part.

公开(公告)号：US12289955B2

公开(公告)日：2025-04-29

申请号：US17459619

申请日：2021-08-27

Applicant: LG Display Co., Ltd.

Inventor： Jongsoo Han ,  Sangyong Lee ,  Sangmoo Park

IPC: H10K50/86 ,  H01L27/12 ,  H10K59/12 ,  H10K59/122 ,  H10K59/123 ,  H10K59/126 ,  H10K59/131 ,  H10K59/38 ,  H10K59/80

Abstract: Discussed are a display device and a method for manufacturing the same, in which a source electrode and a drain electrode are disposed under an active layer of a thin film transistor, thereby simplifying a manufacturing process of the device, reducing a manufacturing time thereof, and reducing a manufacturing cost thereof. To this end, the source electrode, the drain electrode and a light-blocking layer are disposed on a substrate, and constitute the same layer and are made of the same material. An interlayer insulating layer is disposed thereon. A first contact-hole and a second contact-hole are disposed in the interlayer insulating layer. A first connection line connects the source electrode and an active layer to each other, and a second connection line connects the drain electrode and the active layer to each other, whereby the array substrate of the display device can be manufactured using the total of 7 mask processes.

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：US12288521B2

公开(公告)日：2025-04-29

申请号：US18206641

申请日：2023-06-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Eun Ji Joo ,  Hyun Haeng Lee

IPC: G09G3/32 ,  G09G3/3241

Abstract: A light emitting display apparatus includes a plurality of subpixels provided on a substrate, a reference line arranged in a first direction on the substrate, a power line arranged in the first direction on the substrate, a scan line arranged in a second direction intersecting with the first direction on the substrate, a reference branch line connected with the reference line and arranged in the second direction, and a dummy metal layer disposed on the substrate, the dummy metal layer including a region overlapping with the scan line and a region overlapping with the reference branch line.

公开(公告)号：US12288507B2

公开(公告)日：2025-04-29

申请号：US18395287

申请日：2023-12-22

Applicant: LG Display Co., Ltd.

Inventor： Jeong Ki Kim ,  Joon Young Park ,  Jae Woo Park ,  Sung Min Cho ,  Hyeong Kyu Kim

IPC: G09G3/32

Abstract: A light emitting display device includes a display panel including a first pixel group including a plurality of pixels in 2N rows. The light emitting display device further includes a second pixel group disposed subsequent to the first pixel group and including a plurality of pixels in 2N rows. The light emitting display device further includes an emission signal unit including a first emission stage for applying the same first emission signal to the first pixel group and a second emission stage for applying the same second emission signal to the second pixel group. In a first frame, a falling time of the first emission signal and a rising time of the second emission signal are different from each other.

公开(公告)号：US20250133904A1

公开(公告)日：2025-04-24

申请号：US19000085

申请日：2024-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong-Joo LEE ,  Min GOOK ,  Seong-Hwan WOO

IPC: H10K59/121 ,  H10K59/00 ,  H10K59/122

Abstract: A display device includes a pixel array including a plurality of pixels, and a sensor disposed below the pixel array that includes a first region having a low resolution and overlapping the sensor, and a second region having a high resolution and disposed adjacent to the first region, the first region includes a plurality of first pixels having a first structure, the second region includes a plurality of second pixels having a second structure different from the first structure, and a light-emitting region of each of the first pixels is wider than a light-emitting region of each of the second pixels.

公开(公告)号：US20250133840A1

公开(公告)日：2025-04-24

申请号：US19001405

申请日：2024-12-24

Applicant: LG Display Co., Ltd.

Inventor： Hsien-Te CHEN

IPC: H10F39/12 ,  G06V40/13 ,  H01L25/04 ,  H10F39/00

Abstract: An electronic device may include: a display panel comprising a substrate, a plurality of pixels, a driving circuit, a display medium formed from an organic light-emitting material, and a plurality of shielding units on a first side of the substrate; a plurality of micro-photoelectric units on a second side of the substrate; and a filling layer including a transparent material and disposed on the second side of the substrate. The plurality of micro-photoelectric units may comprise respective micro-photoelectric elements, and at least one of the micro-photoelectric elements may be, or may include, a sensor element. Each of the plurality of micro-photoelectric units may be configured to emit light in a direction opposite to the substrate.

公开(公告)号：US20250131883A1

公开(公告)日：2025-04-24

申请号：US18988159

申请日：2024-12-19

Applicant: LG Display Co., Ltd.

Inventor： Ki Min SON ,  Chang Hee KIM ,  Seok NOH

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A pixel circuit comprises a first switch element comprising a first electrode to which an initialization voltage is applied, a gate electrode to which a initialization pulse is applied, and a second electrode connected to a second node; a second switch element comprising a first electrode connected to a third node or a fourth node, a gate electrode to which a sensing pulse is applied, and a second electrode to which a reference voltage is applied; a third switch element comprising a first electrode to which a data voltage is applied, a gate electrode to which a scan pulse is applied, and a second electrode connected to the second node; and a fourth switch element comprising a first electrode connected to the third node, a gate electrode to which a first emission control pulse is applied, and a second electrode connected to the fourth node.