US 12,333,986 B2
Display panels and display devices
Lei Wu, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Wuhan (CN)
Filed by WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Hubei (CN)
Filed on Dec. 14, 2023, as Appl. No. 18/540,658.
Application 18/540,658 is a continuation of application No. PCT/CN2023/114126, filed on Aug. 21, 2023.
Claims priority of application No. 202310936519.X (CN), filed on Jul. 26, 2023.
Prior Publication US 2025/0037633 A1, Jan. 30, 2025
Int. Cl. G09G 3/20 (2006.01); G09G 3/32 (2016.01); G11C 19/28 (2006.01)
CPC G09G 3/2007 (2013.01) [G09G 3/32 (2013.01); G11C 19/287 (2013.01); G09G 2310/0286 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0247 (2013.01); G09G 2330/021 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display panel, wherein the display panel comprises a plurality of pixel circuits, and each of the plurality of the pixel circuits comprises: a mirror current receiving module, wherein the mirror current receiving module comprises N mirror current receiving units, a control terminal of each of the N mirror current receiving units is connected to one mirror current, and the N mirror current receiving units are respectively connected in series to light-emitting subloops, N being an integer greater than or equal to 2; a digital driving module, wherein the digital driving module comprises N digital driving units, and the N digital driving units are respectively connected in series to the light-emitting subloops; a light-emitting module, wherein the light-emitting module is connected to a light-emitting loop formed by the light-emitting subloops; and wherein each of the N digital driving units comprises: a register and the register comprises: a phase inverter, wherein an input terminal of the phase inverter is connected to the data line; a first storage transistor, wherein a first electrode of the first storage transistor is connected to a power supply positive terminal; a second storage transistor, wherein a first electrode of the second storage transistor is connected to a second electrode of the first storage transistor and the gate of the switching transistor, a second electrode of the second storage transistor is connected to a power supply negative terminal, and a gate of the second storage transistor is connected to a gate of the first storage transistor; a third storage transistor, wherein a first electrode of the third storage transistor is connected to the power supply positive terminal, a second electrode of the third storage transistor is connected to the gate of the first storage transistor, and a gate of the third storage transistor is connected to the second electrode of the first storage transistor; a fourth storage transistor, wherein a first electrode of the fourth storage transistor is connected to the second electrode of the third storage transistor, a second electrode of the fourth storage transistor is connected to the power supply negative terminal, and a gate of the fourth storage transistor is connected to the gate of the third storage transistor; a fifth storage transistor, wherein a first electrode of the fifth storage transistor is connected to the data line, a second electrode of the fifth storage transistor is connected to the gate of the second storage transistor, and a gate of the fifth storage transistor is connected to the scan line; and a sixth storage transistor, wherein a first electrode of the sixth storage transistor is connected to an output terminal of the phase inverter, a second electrode of the sixth storage transistor is connected to the gate of the third storage transistor, and a gate of the sixth storage transistor is connected to the gate of the fifth storage transistor.