US 12,353,661 B1
Touch display circuit and touch display device
Tian-Jing Jiang, Hsinchu (TW); Yueh-Chi Wu, Hsinchu (TW); Hung-Chia Liao, Hsinchu (TW); Ti-Kuei Yu, Hsinchu (TW); and Ya-Ling Hsu, Hsinchu (TW)
Assigned to AUO Corporation, Hsinchu (TW)
Filed by AUO Corporation, Hsinchu (TW)
Filed on Sep. 2, 2024, as Appl. No. 18/822,435.
Claims priority of application No. 113108301 (TW), filed on Mar. 7, 2024.
Int. Cl. G06F 3/041 (2006.01)
CPC G06F 3/04166 (2019.05) 9 Claims
OG exemplary drawing
 
1. A touch display circuit, comprising:
a touch circuit comprising a first touch electrode and corresponding plurality of second touch electrodes, wherein the first touch electrode receives an emitting signal, the plurality of second touch electrodes respectively generate a plurality of sensing signals; and
a first light-emitting element set having a first end directly coupled to the first touch electrode and receiving the emitting signal as a first driving signal, wherein a second end of the first light-emitting element set receives at least one second driving signal,
wherein the first light-emitting element set comprises a plurality of light-emitting diodes, and the plurality of light-emitting diodes are configured to emit light of different wavelengths, wherein the at least one second driving signal comprises a plurality of first sub-driving signals, wherein a plurality of first ends of the plurality of light-emitting diodes are directly coupled to the first touch electrode, and a plurality of second ends of the plurality of light-emitting diodes receive the plurality of first sub-driving signals respectively,
wherein the touch display circuit further comprises a plurality of switches respectively coupled between the plurality of second ends of the plurality of light-emitting diodes and the plurality of first sub-driving signals to be controlled by a plurality of control signals.