US 11,719,379 B2
Position adjustment device for display module and display device having the same
Jee-Na Lee, Anyang-si (KR); Junhee Son, Asan-si (KR); and Mansoo Kim, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 31, 2021, as Appl. No. 17/463,460.
Claims priority of application No. 10-2020-0135928 (KR), filed on Oct. 20, 2020.
Prior Publication US 2022/0120373 A1, Apr. 21, 2022
Int. Cl. H05K 5/00 (2006.01); F16M 11/04 (2006.01)
CPC F16M 11/043 (2013.01) [H05K 5/0021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A position adjustment device for a display module, the position adjustment device comprising:
a first direction control module comprising a first stage to which a display module is fixable, the first stage being movable in a first direction;
a second direction control module coupled to the first direction control module and comprising a second stage movable in a second direction perpendicular to the first direction, and a first controller coupled to the second stage; and
a third direction control module coupled to the second direction control module and comprising a third stage movable in a third direction perpendicular to the first direction and crossing the second direction, and a second controller coupled to the third stage,
wherein the first stage comprises a first surface facing the display module, a second surface opposite to the first surface, and a third surface connecting the first surface and the second surface and comprising a plurality of concave-convex portions defined therein.