US 12,259,772 B2
Power management circuit and touch/display device including the same
Seong Sik Yoon, Daejeon (KR); Moon Ho Jang, Daejeon (KR); and Dal Eun Lee, Daejeon (KR)
Assigned to LX SEMICON CO., LTD., Daejeon (KR)
Filed by LX Semicon Co., Ltd., Daejeon (KR)
Filed on Sep. 8, 2022, as Appl. No. 17/940,520.
Claims priority of application No. 10-2021-0120751 (KR), filed on Sep. 10, 2021.
Prior Publication US 2023/0080254 A1, Mar. 16, 2023
Int. Cl. G06F 1/3218 (2019.01); G06F 1/16 (2006.01); G06F 1/3234 (2019.01)
CPC G06F 1/3218 (2013.01) [G06F 1/169 (2013.01); G06F 1/3262 (2013.01); G06F 1/3265 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power management circuit comprising:
a control signal reception circuit configured to receive a power control signal, for controlling an operation of the power management circuit in correspondence to a driving mode of a panel, from a microcontroller which receives information on the driving mode of the panel;
an output signal change circuit configured to change an output signal of the power management circuit in response to the power control signal;
a control target selection circuit configured to select a control target circuit to which the output signal is to be transferred; and
an output signal transmission circuit configured to transfer the output signal to the control target circuit.