US 11,667,114 B2
Apparatus for manufacturing display device and method for manufacturing display device
Myung Gil Choi, Yongin-si (KR); Jung Min Lee, Suwon-si (KR); Min Ha Yun, Seoul (KR); and Sang Moo Lee, Asan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on May 10, 2021, as Appl. No. 17/316,095.
Claims priority of application No. 10-2020-0056995 (KR), filed on May 13, 2020.
Prior Publication US 2021/0354437 A1, Nov. 18, 2021
Int. Cl. B32B 41/00 (2006.01); B32B 3/04 (2006.01); G01S 17/08 (2006.01); B32B 37/10 (2006.01)
CPC B32B 41/00 (2013.01) [B32B 3/04 (2013.01); B32B 37/10 (2013.01); G01S 17/08 (2013.01); B32B 2457/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An apparatus configured to manufacture a display device, comprising:
a stage configured to place a process target object on an upper surface thereof;
a bending head in contact with the process target object to bend the process target object;
a distance measurement sensor installed above the stage to be movable in a horizontal direction;
a cylinder configured to adjust a vertical position of the bending head; and
a controller configured to control the position adjustment of the cylinder with respect to the bending head,
wherein the distance measurement sensor measures a first distance between the distance measurement sensor and an upper surface of the bending head and a second distance between the distance measurement sensor and the upper surface of the stage, respectively, and transmits the measured distances to the controller, and
the controller derives a third distance between the upper surface of the bending head and the upper surface of the stage based on the first distance and the second distance, and determines a position adjustment amount of the cylinder in a vertical direction based on the third distance.