# US 10,872,571 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 10,872,571 B2 - Document ID: US10872571B2 - Status: Granted - Kind: B2 - Application number: 16/047,135 - Filed: 2018-07-27 - Published: 2019-05-23 - Granted: 2020-12-22 - Earliest claimed: 2017-11-22 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Dae-hyun Noh; Yongsung Park - Web page: https://patentgrep.com/patent/US10872571B2 ## CPC - G09G 3/3266: Details of drivers for scan electrodes - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G09G 2300/02: Composition of display devices - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/043: Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2320/0233: Improving the luminance or brightness uniformity across the screen - 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 base layer a base layer in which a display area and a non-display area adjacent to the display area are defined, the display area including a first display area and a second display area, a plurality of pixels disposed in the display area, a scan driving circuit which is disposed in the non-display area, receives a reference voltage from an outside, and outputs a scan signal to the pixels, a first compensation electrode which is disposed in the non-display area and receives the reference voltage, and a first compensation wiring electrically connected to pixels disposed in the second display area among the plurality of pixels, and extending to the non-display area and overlapping the first compensation electrode in a plan view. ## Claims ### Claim 1 A display device, comprising: a base layer in which a display area and a non-display area adjacent to the display area are defined, the display area including a first display area and a second display area protruding from the first display area in a first direction; a plurality of pixels disposed in the display area; a scan driving circuit which is disposed in the non-display area, receives a reference voltage from an outside, and outputs a scan signal to the plurality of pixels; a first compensation electrode which is disposed in the non-display area and receives the reference voltage; a first compensation wiring electrically connected to pixels disposed in the second display area among the plurality of pixels, and extending to the non-display area to overlap the first compensation electrode in a plan view, and compensation patterns overlapping the first compensation electrode and the first compensation wiring in the plan view, wherein the first compensation wiring is disposed between the first compensation electrode and the compensation patterns in a cross section. ### Claim 2 (depends on 1) The display device of claim 1, wherein a width of the first display area in a second direction crossing the first direction is larger than a maximum width of the second display area in the second direction. ### Claim 3 (depends on 1) The display device of claim 1, further comprising a third display area protruding from the first display area in the first direction and spaced apart from the second display area in a second direction crossing the first direction. ### Claim 4 (depends on 3) The display device of claim 3, further comprising: a second compensation electrode which is disposed in the non-display area and receives the reference voltage; and a second compensation wiring electrically connected to pixels disposed in the third display area among the plurality of pixels, and extending to the non-display area and overlapping the second compensation electrode in the plan view. ### Claim 5 (depends on 3) The display device of claim 3, wherein the second display area comprises a first sub-display area adjacent to the first display area and a second sub-display area spaced apart from the first display area with the first sub-display area in-between, and the third display area comprises a third sub-display area adjacent to the first display area and a fourth sub-display area spaced apart from the first display area with the third sub-display area in-between, the display device further including a second compensation electrode which receives the reference voltage in the non-display area disposed between the first sub-display area and the third sub-display area in the plan view. ### Claim 6 (depends on 5) The display device of claim 5, further including a second compensation wiring electrically connected to pixels disposed in the first sub-display area and the third sub-display area, and extending to the non-display area and overlapping the second compensation electrode in the plan view. ### Claim 7 (depends on 1) The display device of claim 1, wherein the compensation patterns are electrically connected with the first compensation electrode and receive the reference voltage. ### Claim 8 (depends on 1) The display device of claim 1, wherein when the first compensation wiring overlapping the first compensation electrode extends along a predetermined direction, the compensation patterns are disposed apart from each other in the same direction as the direction to which the first compensation wiring extends. ### Claim 9 (depends on 1) The display device of claim 1, wherein the pixels comprise a thin film transistor including a semiconductor pattern and a light emitting device connected to the thin film transistor, and the compensation patterns comprise the same material as that of the semiconductor pattern. ### Claim 10 (depends on 1) The display device of claim 1, wherein a width of the second display area in a second direction crossing the first direction has a narrowed shape as being farther from the first display area, and the second display area comprises a first sub-display area adjacent to the first display area and a second sub-display area spaced apart from the first display area with the first display area in-between. ### Claim 11 (depends on 10) The display device of claim 10, wherein a first number of compensation patterns overlapping a compensation wiring electrically connected to pixels disposed in the first sub-display area among the plurality of pixels is smaller than a second number of compensation patterns overlapping a compensation wiring electrically connected to pixels disposed in the second sub-display area among the plurality of pixels. ### Claim 12 A display device comprising: a base layer in which a display area and a non-display area are defined; a first pixel group and a second pixel group disposed in the display area, and arranged along a first direction; a compensation electrode which is disposed in the non-display area, and receives a gate-on voltage or a gate-off voltage from an outside; a compensation wiring electrically connected with pixels of the second pixel group, and extending to the non-display area and overlapping the compensation electrode in a plan view; compensation patterns overlapping the compensation electrode and the compensation wiring in the plan view; wherein the compensation wiring is disposed between the compensation electrode and the compensation patterns in a cross section, and wherein the first pixel group comprises first pixels arranged in a second direction crossing the first direction and the second pixel group comprises second pixels arranged in the second direction, and a first number of second pixels is smaller than a second number of first pixels. ### Claim 13 (depends on 12) The display device of claim 12, wherein the display area comprises a first display area and a second display area protruding from the first display area in the first direction, and the first pixel group is disposed in the first display area and the second pixel group is disposed in the second display area. ### Claim 14 (depends on 13) The display device of claim 13, wherein a width of the first display area in the second direction is larger than a width of the second display area in the second direction. ### Claim 15 (depends on 12) The display device of claim 12, wherein the first pixel group and the second pixel group receive a first power supply voltage and a second power supply voltage from the outside. ### Claim 16 (depends on 12) The display device of claim 12, further including a scan driving circuit which is disposed in the non-display area, receives the gate-on voltage and the gate-off voltage, and outputs a scan signal to the first and second pixel groups. ### Claim 17 A display device comprising: a base layer in which a display area and a non-display area adjacent to the display area are defined, the display area including a first display area and a second display area protruding from the first display area in a first direction; a plurality of pixels which is disposed in the display area, and receives a first power supply voltage and a second power supply voltage from an outside; a compensation electrode which is disposed in the non-display area, and receives a reference voltage different from the first power supply voltage and the second power supply voltage; and a compensation wiring electrically connected to pixels disposed in the second display area among the plurality of pixels, and extending to the non-display area and overlapping the compensation electrode; and compensation patterns overlapping the compensation electrode and the compensation wiring in a plan view, wherein the compensation wiring is disposed between the compensation electrode and the compensation patterns in a cross section. ### Claim 18 (depends on 17) The display device of claim 17, wherein a first number of pixels in one row arranged in a second direction crossing the first direction in the first display area is larger than a second number of pixels in one row arranged in the second direction in the second display area. ### Claim 19 (depends on 17) The display device of claim 17, further comprising a scan driving circuit which is disposed in the non-display area, receives the reference voltage, and outputs a scan signal to the plurality of pixels.