US 11,853,020 B2
Display apparatus
Hyunyong Choi, Suwon-si (KR); Weonhee Lee, Suwon-si (KR); and Woosung Chung, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 23, 2020, as Appl. No. 17/132,774.
Claims priority of application No. 10-2020-0000889 (KR), filed on Jan. 3, 2020.
Prior Publication US 2021/0208552 A1, Jul. 8, 2021
Int. Cl. G05B 15/02 (2006.01); G01S 17/08 (2006.01); B08B 5/02 (2006.01); B08B 13/00 (2006.01); B08B 1/02 (2006.01); B08B 1/00 (2006.01); G06F 1/16 (2006.01); G08B 5/22 (2006.01)
CPC G05B 15/02 (2013.01) [B08B 1/002 (2013.01); B08B 1/02 (2013.01); B08B 5/02 (2013.01); B08B 13/00 (2013.01); G01S 17/08 (2013.01); G06F 1/1652 (2013.01); G08B 5/22 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a housing including an opening formed on an upper surface;
a display configured to protrude out from the housing through the opening along a vertical axis;
a lifting device configured to raise and to lower the display along the vertical axis with respect to the housing;
a position sensor disposed inside the housing and configured to sense a distance in which an upper portion of the display is moved along the vertical direction, wherein the position sensor comprises a first position sensor and a second position sensor spaced apart along a horizontal axis,
a first reflector disposed in the upper portion of the display and disposed at a position corresponding to the first position sensor along the vertical axis, and
a second reflector disposed in the upper portion of the display and disposed at a position corresponding to the second position sensor along the vertical axis,
wherein the first position sensor and the second position sensor are disposed to correspond to the opening and emit light through the opening, to simultaneously sense a distance by which the display is raised.