IP Library › Granted Patent US 12,424,152
Granted Patent B2
US 12,424,152 · App. 18/709,190 · Granted Sep 23, 2025

LED display device, and method for calibrating LED display device

Inventors: Myoungsuk Chae (Seoul, KR); Jongmyeong Lim (Seoul, KR); Byungchang Cha (Seoul, KR); Geunyong Kim (Seoul, KR); Younggu Chung (Seoul, KR); Sungjin Kang (Seoul, KR); Sangkyu Kang (Seoul, KR); Haktae Kim (Seoul, KR); Kyuheon Lee (Seoul, KR); Seungho Ryoo (Seoul, KR); Sangtae Park (Seoul, KR); Jonggon Shin (Seoul, KR)
Assignee: LG ELECTRONICS INC.
G09G3/32G09G3/035G09G2320/0242G09G2320/0666G09G2320/0693
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Quick Facts
Patent No.
US 12,424,152
App. No.
18/709,190
Granted
Sep 23, 2025
Kind
B2
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.

Claims (22)

1. A method of performing calibration on a light-emitting diode (LED) display device, the method comprising:

providing one module including a plurality of pixels;

providing a cabinet including a plurality of modules;

providing the LED display device including a plurality of cabinets; and

performing calibration based on a cell which is larger than a size of a pixel and smaller than a size of the one module,

wherein a size of the cell, which is a basic unit of the calibration, is determined by at least one camera.

2. The method of claim 1 , wherein 128 (=16×8) or 144 (=16×9) cells each serving as a basic unit of the calibration are included in the one module.

3. The method of claim 1 , wherein the size of the cell, which is the basic unit of the calibration, is changed by a resolution of the camera, an angle of view of a lens of the camera, or a screen area of the LED display device captured by the camera.

4. The method of claim 3 , wherein the size of the cell, which is the basic unit of the calibration, becomes smaller as the resolution of the camera increases.

5. The method of claim 3 , wherein the size of the cell, which is the basic unit of the calibration, becomes smaller as the angle of view of the lens of the camera increases.

6. The method of claim 3 , wherein the size of the cell, which is the basic unit of the calibration, increases as the screen area of the LED display device increases.

7. A light-emitting diode (LED) display device, comprising:

one module including a plurality of pixels;

a cabinet including a plurality of modules; and

one screen including a plurality of cabinets,

wherein calibration is performed based on a cell which is larger than a size of a pixel and smaller than a size of the one module, and

wherein a size of the cell, which is a basic unit of the calibration, is determined by at least one camera.

8. The LED display device of claim 7 , wherein 128 (=16×8) or 144 (=16×9) cells each serving as a basic unit of the calibration are included in the one module.

9. The LED display device of claim 7 , wherein the size of the cell, which is the basic unit of the calibration, is changed by a resolution of the camera, an angle of view of a lens of the camera, or a screen area of the LED display device captured by the camera.

10. The LED display device of claim 9 , wherein the size of the cell, which is the basic unit of the calibration, becomes smaller as the resolution of the camera increases.

11. The LED display device of claim 9 , wherein the size of the cell, which is the basic unit of the calibration, becomes smaller as the angle of view of the lens of the camera increases.

12. The LED display device of claim 9 , wherein the size of the cell, which is the basic unit of the calibration, increases as the screen area of the LED display device increases.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 3, 2025
From: SHIN, JONGGON
To: LG ELECTRONICS INC.
Reel/Frame 071298/0771 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2025
From: CHAE, MYOUNGSUK; LIM, JONGMYEONG; CHA, BYUNGCHANG; KIM, GEUNYONG; CHUNG, YOUNGGU; KANG, SUNGJIN; KANG, SANGKYU; KIM, HAKTAE; LEE, KYUHEON; RYOO, SEUNGHO; PARK, SANGTAE
To: LG ELECTRONICS INC.
Reel/Frame 071309/0170 →
Priority Claims (1)
KR 10-2021-0155056 · Nov 11, 2021 · national
Continuity (1)
Related Publication 20250046232A1 · Feb 6, 2025
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