US 11,877,400 B2
Panel alignment device and panel alignment method for display device
Jungseon Park, Cheonan-si (KR); Wunbong Tak, Asan-si (KR); and Jaeseong Lee, Jeongeup-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Jun. 24, 2021, as Appl. No. 17/356,977.
Claims priority of application No. 10-2020-0147007 (KR), filed on Nov. 5, 2020.
Prior Publication US 2022/0142023 A1, May 5, 2022
Int. Cl. H05K 13/00 (2006.01); H05K 13/08 (2006.01); H05K 1/18 (2006.01)
CPC H05K 13/0015 (2013.01) [H05K 1/181 (2013.01); H05K 13/0812 (2018.08); H05K 13/0813 (2018.08); H05K 2201/10128 (2013.01); H05K 2201/10212 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A panel alignment device for a display device, the panel alignment device comprising:
a stage which supports a panel and includes a transmitting portion that includes a first region having a first thickness and a second region having a second thickness greater than the first thickness;
a head disposed over the stage and supporting a driving chip;
a vision camera which is disposed under the stage, captures a first alignment mark of the panel through the first region, and captures a second alignment mark of the driving chip through the second region; and
a controller which adjusts at least one of a position of the head and a position of the stage based on a first image information related to a position of the first alignment mark and a second image information related to a position of the second alignment mark.