US 12,260,812 B2
Display panel, integrated chip, and display device
Yong Yuan, Xiamen (CN)
Assigned to Xiamen Tianma Display Technology Co., Ltd., Xiamen (CN)
Filed by Xiamen Tianma Display Technology Co., Ltd., Xiamen (CN)
Filed on Apr. 12, 2024, as Appl. No. 18/633,909.
Application 18/633,909 is a continuation of application No. 18/103,791, filed on Jan. 31, 2023, granted, now 11,972,722.
Claims priority of application No. 202211020971.3 (CN), filed on Aug. 24, 2022.
Prior Publication US 2024/0265856 A1, Aug. 8, 2024
Int. Cl. G09G 3/30 (2006.01); G09G 3/32 (2016.01)
CPC G09G 3/32 (2013.01) [G09G 2310/0245 (2013.01); G09G 2320/0209 (2013.01); G09G 2330/021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a first display region and a second display region; and
a pixel circuit comprising a first pixel circuit and a second pixel circuit, wherein the first pixel circuit is connected to a light-emitting element in the first display region, and the second pixel circuit is connected to a light-emitting element in the second display region;
wherein the pixel circuit comprises a drive transistor and a first presetting module, and a terminal of the first presetting module is connected to the drive transistor; wherein
a control terminal of the first presetting module in the first pixel circuit is configured to receive a first control signal, and a control terminal of the first presetting module in the second pixel circuit is configured to receive a second control signal; and
in at least one stage of a working process of the display panel, a pulse variation frequency of the first control signal is F1, and a pulse variation frequency of the second control signal is F2, wherein F1≠F2;
wherein
the pixel circuit comprises a bias adjustment module connected to a first electrode of the drive transistor or a second electrode of the drive transistor and configured to provide a bias adjustment signal for the drive transistor; the bias adjustment module in the first pixel circuit is configured to receive a first bias adjustment signal Vb1, and the bias adjustment module in the second pixel circuit is configured to receive a second bias adjustment signal Vb2;
wherein
Vb1=Vb2, or following:

OG Complex Work Unit Math
and/or,
wherein the pixel circuit comprises an initialization module connected to the light-emitting element and configured to provide an initialization signal for the light-emitting element; the initialization module in the first pixel circuit is configured to provide a first initialization signal Vi1, and the initialization module in the second pixel circuit is configured to provide a second initialization signal Vi2;
wherein
Vi1=Vi2, or following:

OG Complex Work Unit Math