# US 12,765,248 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,765,248 B2 - Document ID: US12765248B2 - Status: Granted - Kind: B2 - Application number: 18/217,071 - Filed: 2023-06-30 - Published: 2024-04-25 - Granted: 2026-10-13 - Earliest claimed: 2022-10-19 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Sunghwan Kim; Daehyun Kim; Jung Hoon Shim - Web page: https://patentgrep.com/patent/US12765248B2 ## CPC - H10K 59/88: Dummy elements, i.e. elements having non-functional features - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 2300/0413: Details of dummy pixels or dummy lines in flat panels - G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components - 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 2300/0861: 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 2310/0262: The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes - G09G 2330/08: Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared - G09G 2330/10: Dealing with defective pixels - H10K 59/1213: {the pixel elements being TFTs} - H10K 71/861: {Repairing} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - 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 device includes a substrate including an active area and a dummy area, and including a plurality of sub-pixels arranged in m rows and n columns, first initialization power lines which provide a first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in a column direction, second initialization power lines which provide a second initialization voltage to sub-pixels of the plurality of sub-pixels and extending in the column direction, and repair lines extending in a row direction. Sub-pixels of the dummy area are arranged in an outermost column of the n columns, the repair lines are arranged so as to connect the sub-pixels of the dummy area and sub-pixels of the active area among the plurality of sub-pixels, respectively, and m and n are natural numbers. ## Claims ### Claim 1 A display device comprising: a substrate including an active area and a dummy area, and including a plurality of sub-pixels arranged in m rows and n columns; first initialization power lines which provide a first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in a column direction; second initialization power lines which provide a second initialization voltage different from the first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in the column direction; and repair lines extending in a row direction, wherein sub-pixels of the dummy area among the plurality of sub-pixels are arranged in an outermost column of the n columns, the repair lines connect the sub-pixels of the dummy area and sub-pixels of the active area among the plurality of sub-pixels, respectively, m and n are natural numbers, and among the n columns, a first column includes sub-pixels, among the plurality of sub-pixels, overlapping only one of a first initialization power line, among the first initialization power lines, and a second initialization power line immediately next to the first initialization power line, among the second initialization power lines, and a second column immediately next to the first column includes sub-pixels, among the plurality of sub-pixels, overlapping only a remaining one of the first initialization power line and the second initialization power line. ### Claim 2 (depends on 1) The display device of claim 1, wherein the sub-pixels of the dummy area are arranged in n column. ### Claim 3 (depends on 1) The display device of claim 1, wherein the first initialization power lines are disposed in sub-pixels of even columns among the plurality of sub-pixels. ### Claim 4 (depends on 1) The display device of claim 1, further comprising data lines extending in the column direction and providing a data signal to the plurality of sub-pixels. ### Claim 5 (depends on 1) The display device of claim 1, wherein the plurality of sub-pixels of the active area includes a transistor and a light-emitting element connected to the transistor. ### Claim 6 (depends on 5) The display device of claim 5, wherein the transistor comprises: an active pattern disposed on a substrate; a source electrode and a drain electrode respectively connected to the active pattern; and a gate electrode overlapping the active pattern with a gate insulating layer interposed between the gate electrode and the active pattern. ### Claim 7 (depends on 1) The display device of claim 1, further comprising a first gate line extending in the row direction and providing a first initialization control signal to the sub-pixels. ### Claim 8 (depends on 7) The display device of claim 7, further comprising a second gate line extending in the row direction and providing a second initialization control signal to the sub-pixels. ### Claim 9 A display device comprising: a substrate including a plurality of sub-pixels arranged in m rows and n columns and including active pixels and dummy pixels; first initialization power lines which provide a first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in a column direction; second initialization power lines which provide a second initialization voltage different from the first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in the column direction; and repair lines extending in a row direction, wherein the dummy pixels are disposed in a n column in odd rows among the plurality of sub-pixels, and are disposed in a first column in even rows among the plurality of sub-pixels, the repair lines connect the dummy pixels and the active pixels, respectively, m and n are natural numbers, and among the n columns, a first column includes sub-pixels, among the plurality of sub-pixels, overlapping only one of a first initialization power line, among the first initialization power lines, and a second initialization power line immediately next to the first initialization power line, among the second initialization power lines, and a second column immediately next to the first column includes sub-pixels, among the plurality of sub-pixels, overlapping only a remaining one of the first initialization power line and the second initialization power line. ### Claim 10 (depends on 9) The display device of claim 9, wherein the first initialization power lines are disposed in sub-pixels of even columns among the plurality of sub-pixels. ### Claim 11 (depends on 9) The display device of claim 9, further comprising data lines extending in the column direction and providing a data signal to the plurality of sub-pixels. ### Claim 12 (depends on 9) The display device of claim 9, wherein each of the active pixels includes a transistor and a light-emitting element connected to the transistor. ### Claim 13 (depends on 12) The display device of claim 12, wherein the transistor comprises: an active pattern disposed on a substrate; a source electrode and a drain electrode respectively connected to the active pattern; and a gate electrode overlapping the active pattern with a gate insulating layer interposed between the gate electrode and the active pattern. ### Claim 14 A display device comprising: a substrate including a plurality of sub-pixels arranged in m rows and n columns and including active pixels and dummy pixels; first initialization power lines which provide a first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in a column direction; second initialization power lines which provide a second initialization voltage different from the first initialization voltage to sub-pixels of the plurality of sub-pixels and extending in the column direction; and repair lines extending in a row direction, wherein the dummy pixels are disposed in a first column in odd rows among the plurality of sub-pixels, and are disposed in a n column in even rows among the plurality of sub-pixels, the repair lines connect the dummy pixels and the active pixels, respectively, m and n are natural numbers, and among the n columns, a first column includes sub-pixels, among the plurality of sub-pixels, overlapping only one of a first initialization power line, among the first initialization power lines, and a second initialization power line immediately next to the first initialization power line, among the second initialization power lines, and a second column immediately next to the first column includes sub-pixels, among the plurality of sub-pixels, overlapping only a remaining one of the first initialization power line and the second initialization power line. ### Claim 15 (depends on 14) The display device of claim 14, wherein the first initialization power lines are disposed in sub-pixels of even columns among the plurality of sub-pixels. ### Claim 16 (depends on 14) The display device of claim 14, further comprising data lines extending in the column direction and providing a data signal to the plurality of sub-pixels. ### Claim 17 (depends on 14) The display device of claim 14, wherein each of the active pixels includes a transistor and a light-emitting element connected to the transistor, and the transistor comprises: an active pattern disposed on a substrate; source and drain electrodes on the active pattern; and a gate electrode overlapping the active pattern with a gate insulating layer interposed between the gate electrode overlapping the active pattern.