US 12,436,649 B2
Touch system and display device
Keum Dong Jung, Yongin-si (KR); Jang Hui Kim, Yongin-si (KR); and Ji Hoon Kim, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 6, 2024, as Appl. No. 18/596,999.
Claims priority of application No. 10-2023-0102987 (KR), filed on Aug. 7, 2023.
Prior Publication US 2025/0053264 A1, Feb. 13, 2025
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0441 (2019.05) [G06F 3/0412 (2013.01); G06F 3/04162 (2019.05); G06F 3/0446 (2019.05); G06F 2203/04104 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A touch system comprising:
a touch array including a plurality of touch electrodes;
a touch driver configured to apply touch driving signals including different codes respectively to the touch electrodes and to transmit uplink signals to a plurality of objects adjacent to the touch array through the touch electrodes;
at least one sub-host connected to at least one object among the plurality of objects through a direct wireless communication channel between the at least one sub-host and the at least one object, and configured to receive, from the at least one object, position information corresponding to the at least one object through the direct wireless communication channel, the direct wireless communication channel between the at least one sub-host and the at least one object being formed outside of the touch array; and
a main host configured to control the touch driver and to receive the position information corresponding to the at least one object among the plurality of objects through the at least one sub-host.