# US 12,002,398 B2 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,002,398 B2 - Document ID: US12002398B2 - Status: Granted - Kind: B2 - Application number: 17/897,225 - Filed: 2022-08-29 - Published: 2023-06-01 - Granted: 2024-06-04 - Earliest claimed: 2021-12-01 - Assignees: Innolux Corporation - Applicants: Innolux Corporation - Inventors: Kazuyuki Hashimoto; Kung-Chen Kuo - Web page: https://patentgrep.com/patent/US12002398B2 ## 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} - G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED] - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - 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 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 2320/0219: Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling - 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 An electronic device is provided. The electronic device includes a first scan transistor, a driving transistor, an electronic component and a first capacitive coupling component. The driving transistor is electrically connected to the first scan transistor. The electronic component is electrically connected to the driving transistor. The first terminal of the first capacitive coupling component is electrically connected to a control terminal of the driving transistor. ## Claims ### Claim 1 An electronic device, comprising: a first scan transistor; a driving transistor, electrically connected to the first scan transistor; an electronic component, electrically connected to the driving transistor at a first node; and a first capacitive coupling component, wherein a first terminal of the first capacitive coupling component is electrically connected to a control terminal of the driving transistor, wherein during a bias period after the driving transistor is reset in a reset period and is driven in a scan period and before the driving transistor is reset again, a signal is applied to the first capacitive coupling component to compensate a node voltage of the first node, wherein in a frame, the scan period is after the reset period, and the bias period is after scan period. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein the first capacitive coupling component comprises a capacitor. ### Claim 3 (depends on 1) The electronic device according to claim 1, wherein the first capacitive coupling component comprises a transistor, and a second terminal of the transistor is electrically connected to a first terminal of the transistor. ### Claim 4 (depends on 1) The electronic device according to claim 1, further comprising: a second capacitive coupling component, wherein the second capacitive coupling component is electrically connected to a first terminal of the driving transistor. ### Claim 5 (depends on 4) The electronic device according to claim 4, wherein a second terminal of the first capacitive coupling component is electrically connected to a second terminal of the second capacitive coupling component. ### Claim 6 (depends on 4) The electronic device according to claim 4, wherein the second capacitive coupling component comprises a capacitor. ### Claim 7 (depends on 4) The electronic device according to claim 4, wherein the second capacitive coupling component comprises another transistor, and a second terminal of the another transistor is electrically connected to a first terminal of the another transistor. ### Claim 8 (depends on 4) The electronic device according to claim 4, further comprising: a second scan transistor, wherein the second scan transistor is electrically connected to the first terminal of the driving transistor and the first terminal of the second capacitive coupling component. ### Claim 9 (depends on 8) The electronic device according to claim 8, wherein the first scan transistor and the second scan transistor is further electrically connected to same scan signal, respectively. ### Claim 10 (depends on 8) The electronic device according to claim 8, wherein the first scan transistor and the second scan transistor is further electrically connected to same data line. ### Claim 11 (depends on 1) The electronic device according to claim 1, further comprising: a compensation transistor, electrically connected between a second terminal of the driving transistor and the control terminal of the driving transistor. ### Claim 12 (depends on 1) The electronic device according to claim 1, further comprising: a storage capacitor, electrically connected to the control terminal of the driving transistor. ### Claim 13 (depends on 1) The electronic device according to claim 1, further comprising: a reset transistor, electrically connected to the control terminal of the driving transistor. ### Claim 14 (depends on 1) The electronic device according to claim 1, wherein the electronic component comprises a tunable component or a light emitting diode. ### Claim 15 (depends on 1) The electronic device according to claim 1, wherein a second terminal of the first capacitive coupling component is electrically connected to a bias signal. ### Claim 16 (depends on 1) The electronic device according to claim 1, wherein a second terminal of the first capacitive coupling component is electrically connected to an emission signal. ### Claim 17 (depends on 1) The electronic device according to claim 1, wherein a second terminal of the first capacitive coupling component is electrically connected to a compensation signal. ### Claim 18 (depends on 1) The electronic device according to claim 1, wherein the first scan transistor is further electrically connected to a data line. ### Claim 19 (depends on 1) The electronic device according to claim 1, further comprising: a bias transistor, electrically connected to a second terminal of the driving transistor. ### Claim 20 (depends on 1) The electronic device according to claim 1, further comprising: a first emission transistor, electrically connected to a first terminal of the driving transistor; and a second emission transistor, electrically connected to a second terminal of the driving transistor.