US 12,014,005 B2
Position detection in rollable displays
Sa Hyang Hong, Seoul (KR); Sang Hoon Jeon, Seoul (KR); Yun Sang On, Yong In (KR); and Min Sang Kim, Bakdal (KR)
Assigned to STMicroelectronics Asia Pacific Pte Ltd., Singapore (SG)
Filed by STMicroelectronics Asia Pacific Pte Ltd., Singapore (SG)
Filed on Feb. 20, 2023, as Appl. No. 18/171,582.
Application 18/171,582 is a continuation of application No. 17/201,956, filed on Mar. 15, 2021, granted, now 11,592,932.
Prior Publication US 2023/0195255 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01); G06F 1/16 (2006.01); G09F 9/30 (2006.01)
CPC G06F 3/04166 (2019.05) [G06F 3/0442 (2019.05); G06F 3/0446 (2019.05); G06F 1/1652 (2013.01); G06F 2203/04102 (2013.01); G09F 9/301 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method for operating an electronic device, the method comprising:
displacing a rollable touchscreen to a first position along a first direction, a first side of the rollable touchscreen being mounted in a first housing and a second side of the rollable touchscreen being attached to a second housing, the rollable touchscreen being configured to be rolled into the first housing by moving the second housing towards the first housing along the first direction or
unrolled out of the first housing by moving the second housing away from the first housing along the first direction;
detecting an active electrode at a first location on the rollable touchscreen from amongst a plurality of locations on the rollable touchscreen configured to detect the active electrode, the active electrode being mounted in the first housing; and
determining the first position of the rollable touchscreen based on the first location, the first position being indicative of a fractional amount of the rollable touchscreen outside the first housing.