# US 11,443,669 B2 · Driving circuit and display device for improving electrical performance of circuit unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,443,669 B2 - Document ID: US11443669B2 - Status: Granted - Kind: B2 - Application number: 16/767,769 - Filed: 2020-05-09 - Published: 2022-04-21 - Granted: 2022-09-13 - Earliest claimed: 2020-04-23 - Assignees: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., LTD. - Inventors: Yanan Gao; Bangyin Peng; Ilgon Kim - Web page: https://patentgrep.com/patent/US11443669B2 ## CPC - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - G11C 19/28: using semiconductor elements (G11C19/14, G11C19/36 take precedence) - G09G 3/3266: Details of drivers for scan electrodes - G09G 2300/0408: Integration of the drivers onto the display substrate - G09G 2300/0413: Details of dummy pixels or dummy lines in flat panels - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/0876: Supplementary capacities in pixels having special driving circuits and electrodes instead of being connected to common electrode or ground; Use of additional capacitively coupled compensation electrodes - G09G 2310/0286: Details of a shift registers arranged for use in a driving circuit - 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) - G11C: STATIC STORES (semiconductor memory devices H10B) ## Abstract The present application provides a driving circuit and a display device. The driving circuit includes a circuit unit including a thin-film transistor, which includes a patterned member; a capacitor, connected to at least one end of the thin-film transistor of the circuit unit, the capacitor includes an electrode plate; and a redundant patterned member, the redundant patterned member, the electrode plate and the patterned member located in a same conductive layer, the redundant patterned member connected between the patterned member and the electrode plate. ## Claims ### Claim 1 A driving circuit, comprising: a circuit unit, comprising a thin-film transistor which comprises a patterned member; a capacitor, connected to at least one end of the thin-film transistor of the circuit unit, the capacitor comprising an electrode plate; and a redundant patterned member, the redundant patterned member, the electrode plate and the patterned member located in a same conductive layer, the redundant patterned member connected between the patterned member and the electrode plate, wherein material of the conductive layer is selected from at least one of molybdenum, aluminum, titanium, copper and silver, wherein the driving circuit further comprises a dummy thin-film transistor, which comprises the redundant patterned member, wherein the patterned member comprises a source and a drain, the redundant patterned member comprises a redundant source and a redundant drain, the redundant source is directly connected to the redundant drain. ### Claim 2 (depends on 1) The driving circuit according to claim 1, wherein the source is identical to the redundant source and the drain is identical to the redundant drain. ### Claim 3 (depends on 1) The driving circuit according to claim 1, wherein the driving circuit is a gate driving circuit configured to output scan signals. ### Claim 4 (depends on 3) The driving circuit according to claim 3, wherein the circuit unit is a pull-up unit, one end of the capacitor is connected to a gate of the thin-film transistor and the other end of the capacitor is connected to a source or a drain of the thin-film transistor. ### Claim 5 A driving circuit, comprising: a circuit unit, comprising a thin-film transistor which comprises a patterned member; a capacitor, connected to at least one end of the thin-film transistor of the circuit unit, the capacitor comprising an electrode plate; and a redundant patterned member, the redundant patterned member, the electrode plate and the patterned member located in a same conductive layer, the redundant patterned member connected between the patterned member and the electrode plate, wherein the driving circuit further comprises a dummy thin-film transistor, which comprises the redundant patterned member, wherein the patterned member comprises a source and a drain, the redundant patterned member comprises a redundant source and a redundant drain, the redundant source is directly connected to the redundant drain. ### Claim 6 (depends on 5) The driving circuit according to claim 5, wherein the source is identical to the redundant source and the drain is identical to the redundant drain. ### Claim 7 (depends on 5) The driving circuit according to claim 5, wherein the driving circuit is a gate driving circuit configured to output scan signals. ### Claim 8 (depends on 7) The driving circuit according to claim 7, wherein the circuit unit is a pull-up unit, one end of the capacitor is connected to a gate of the thin-film transistor and the other end of the capacitor is connected to a source or a drain of the thin-film transistor. ### Claim 9 A display device, comprising a driving circuit which comprises: a circuit unit, comprising a thin-film transistor which comprises a patterned member; a capacitor, connected to at least one end of the thin-film transistor of the circuit unit, the capacitor comprising an electrode plate; and a redundant patterned member, the redundant patterned member, the electrode plate and the patterned member located in a same conductive layer, the redundant patterned member connected between the patterned member and the electrode plate, wherein the driving circuit further comprises a dummy thin-film transistor, which comprises the redundant patterned member, wherein the patterned member comprises a source and a drain, the redundant patterned member comprises a redundant source and a redundant drain, the redundant source is directly connected to the redundant drain. ### Claim 10 (depends on 9) The display device according to claim 9, wherein the source is identical to the redundant source and the drain is identical to the redundant drain. ### Claim 11 (depends on 9) The display device according to claim 9, wherein the driving circuit is a gate driving circuit configured to output scan signals. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the circuit unit is a pull-up unit, one end of the capacitor is connected to a gate of the thin-film transistor and the other end of the capacitor is connected to a source or a drain of the thin-film transistor.