# US 2026/0100164 A1 · Pixel driving circuit, driving method for the pixel driving circuit, and display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100164 A1 - Document ID: US20260100164A1 - Status: Published application - Kind: A1 - Application number: 19/415,843 - Filed: 2025-12-11 - Published: 2026-04-09 - Earliest claimed: 2022-07-29 - Assignees: Beijing BOE Technology Development Co., Ltd.; Chengdu Boe Optoelectronics Technology Co., Ltd. - Applicants: Beijing BOE Technology Development Co., Ltd.; Chengdu BOE Optoelectronics Technology Co., Ltd. - Inventors: Haigang QING - Web page: https://patentgrep.com/patent/US20260100164A1 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2300/0852: being a dynamic memory with more than one capacitor - G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes - G09G 2310/061: for resetting or blanking - G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A display panel is disclosed. The display panel includes a base substrate; and an active layer arranged on a side of the base substrate. The active layer includes: a sixth active portion, a seventh active portion, a tenth active portion and a second initialization signal line, the second initialization signal line is connected to an end of the seventh active portion away from the sixth active portion, the second initialization signal line is used for providing an initialization signal to a seventh transistor, the seventh transistor comprises the seventh active portion, and the second initialization signal line extends along a first direction. ## Claims ### Claim 1 A display panel, comprising: a base substrate; and a pixel driving circuit; and a light-emitting unit; wherein the pixel driving circuit is electrically connected to a first electrode of the light-emitting unit, and the pixel driving circuit is used to drive the light-emitting unit; wherein the display panel further comprises an active layer, and the active layer comprises a first initialization signal line and a second initialization signal line; wherein the active layer further comprises a tenth active portion, a second active portion and a fourth active portion, the tenth active portion is used to form a channel region of a driving transistor in the pixel driving circuit, the second active portion is used to form a channel region of a second transistor in the pixel driving circuit, and the fourth active portion is used to form a channel region of a fourth transistor in the pixel driving circuit. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the display panel further comprises a first conductive layer, the first conductive layer comprises a tenth conductive portion and a fourth conductive portion, the tenth conductive portion is used to form a gate electrode of the driving transistor, a part of the fourth conductive portion is used to form a gate electrode of the second transistor, and another part of the fourth conductive portion is used to form a gate electrode of a fourth transistor in another pixel circuit driving circuit. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the active layer comprises a first active portion, the first active portion is used to form a channel region of a first transistor in the pixel driving circuit, the first active portion comprises two sub-active portions, the first conductive layer comprises a first conductive portion, and the first conductive portion is used to form a gate electrode of the first transistor. ### Claim 4 (depends on 2) The display panel according to claim 2, wherein the display panel comprises a third conductive layer, the third conductive layer comprises a first gate line, the first gate line is electronically connected to the fourth conductive portion, and the first gate line is used to provide a first gate driving signal. ### Claim 5 (depends on 3) The display panel according to claim 3, wherein the display panel comprises a third conductive layer, the third conductive layer comprises a reset signal line, the reset signal line is electronically connected to the first conductive portion, and the reset signal line is used to provide a reset signal. ### Claim 6 (depends on 3) The display panel according to claim 3, wherein the first initialization signal line is connected to a first electrode of the first transistor, and the first initialization signal line extends along a row direction of the display panel. ### Claim 7 (depends on 6) The display panel according to claim 6, wherein the second initialization signal line is used to provide an initialization signal for a seventh transistor, and the second initialization signal line extends along the row direction. ### Claim 8 (depends on 7) The display panel according to claim 7, wherein the active layer further comprises a sixth active portion and a seventh active portion, and the second initialization signal line is connected to a side of the seventh active portion away from the sixth active portion. ### Claim 9 (depends on 7) The display panel according to claim 7, wherein the first initialization signal line is further used to provide an initialization signal for a seventh transistor in a pixel driving circuit in a previous row, and the second initialization signal line is further used to provide an initialization signal for a first transistor in a pixel driving circuit in a next row. ### Claim 10 (depends on 5) The display panel according to claim 5, wherein the third conductive layer further comprises a reference voltage line, an orthographic projection of the reference voltage line on the base substrate extends along a row direction of the display panel, and the reference voltage line is connected to a thirteenth active portion in the active layer through a via hole. ### Claim 11 (depends on 10) The display panel according to claim 10, wherein the reference voltage line is connected to a first electrode of a third transistor in the pixel driving circuit.