公开(公告)号：US20250046232A1

公开(公告)日：2025-02-06

申请号：US18709190

申请日：2022-11-11

Applicant: LG ELECTRONICS INC.

Inventor： Myoungsuk CHAE ,  Jongmyeong LIM ,  Byungchang CHA ,  Geunyong KIM ,  Younggu CHUNG ,  Sungjin KANG ,  Sangkyu KANG ,  Haktae KIM ,  Kyuheon LEE ,  Seungho RYOO ,  Sangtae PARK ,  Jonggon SHIN

IPC: G09G3/32 ,  G01J3/50 ,  G06T7/90 ,  G09G3/00 ,  H01L25/16

Abstract: A method for calibrating a LED display device, according to one embodiment of the present invention, comprises the steps of: providing one module composed of a plurality of pixels; providing a cabinet composed of a plurality of modules; providing an LED display device composed of a plurality of cabinets; and calibrating by cell unit, which is larger than the size of the pixel and is smaller than the size of one module.

公开(公告)号：US20250031503A1

公开(公告)日：2025-01-23

申请号：US18274162

申请日：2022-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Seoungkyu HAN ,  Myungwhun CHANG ,  Okhee YUN ,  Yanghyun KIM ,  Seungho RYOO ,  Wonsik KIM ,  Jonggon SHIN

IPC: H01L33/62 ,  H01L25/075

Abstract: The present disclosure is applicable to a display device-related technical field, and relates to, for example, a display device using a micro light emitting diode (LED). Disclosed is a display device using a light-emitting element including a wiring substrate having multiple unit pixel areas defined therein, a wiring electrode including first wiring electrodes and a second wiring electrode arranged on the wiring substrate, and each light-emitting element installed in each unit pixel area so as to be electrically connected to each first wiring electrode and the second wiring electrode to constitute each sub-pixel, wherein the light-emitting elements include a first light-emitting element located in a first pixel area and installed in a first arrangement, and a second light-emitting element located in a second pixel area adjacent to the first pixel area and installed in a second arrangement symmetrical to the first arrangement.

公开(公告)号：US20240079387A1

公开(公告)日：2024-03-07

申请号：US18273739

申请日：2022-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Myungwhun CHANG ,  Yanghyun KIM ,  Seungho RYOO ,  Jonghwa WON ,  Donghyun KIM ,  Jonggon SHIN ,  Kimun PAIK

IPC: H01L25/075 ,  H01L33/18 ,  H01L33/24 ,  H01L33/32 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L33/18 ,  H01L33/24 ,  H01L33/32 ,  H01L33/62

Abstract: The present disclosure is applicable to a display device-related technical field and relates to, for example, a display device using a micro light-emitting diode (LED). The present disclosure as such comprises: a wiring board on which a plurality of unit pixel regions are defined; a wiring electrode arranged on the wiring board, the wiring electrode comprising a first wiring electrode and a second wiring electrode; and a light-emitting element that forms a sub-pixel by being installed to be electrically connected to the first wiring electrode and the second wiring electrode in each of the unit pixel regions, wherein the light-emitting element may be configured to comprise: a first light-emitting element located in a first pixel region and installed in a first arrangement; and a second light-emitting element located in a second pixel region neighboring the first pixel region and installed in a second arrangement that is symmetrical to the first arrangement.