US 12,424,152 B2
LED display device, and method for calibrating LED display device
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); and Jonggon Shin, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/709,190
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Nov. 11, 2022, PCT No. PCT/KR2022/017741
§ 371(c)(1), (2) Date May 10, 2024,
PCT Pub. No. WO2023/085844, PCT Pub. Date May 19, 2023.
Claims priority of application No. 10-2021-0155056 (KR), filed on Nov. 11, 2021.
Prior Publication US 2025/0046232 A1, Feb. 6, 2025
Int. Cl. G09G 3/32 (2016.01); G09G 3/00 (2006.01)
CPC G09G 3/32 (2013.01) [G09G 3/035 (2020.08); G09G 2320/0242 (2013.01); G09G 2320/0666 (2013.01); G09G 2320/0693 (2013.01)] 12 Claims
OG exemplary drawing
 
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.