# US 11,910,677 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 11,910,677 B2 - Document ID: US11910677B2 - Status: Granted - Kind: B2 - Application number: 17/891,910 - Filed: 2022-08-19 - Published: 2022-12-08 - Granted: 2024-02-20 - Earliest claimed: 2019-09-18 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Tae Hoon Kim; Won Kyu Kwak - Web page: https://patentgrep.com/patent/US11910677B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3258: with pixel circuitry controlling the voltage across the light-emitting element - G09G 3/3266: Details of drivers for scan electrodes - G09G 3/3291: in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements - H10K 59/8794: {Arrangements for heating and cooling} - 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 may include a substrate, pixels, a first common voltage line, an outer common voltage trunk line, a first outer common voltage line, and a second outer common voltage line. The substrate may include a display area and a non-display area. The pixels may be disposed on the display area. The first common voltage line may be at least partially disposed on the display area. The outer common voltage trunk line may be disposed on the non-display area, may be electrically connected through the first common voltage line to the pixels, and may include a groove. The first outer common voltage line may protrude from the outer common voltage trunk line. The second outer common voltage line may protrude from the outer common voltage trunk line. The groove may be disposed between the second outer common voltage line and the first common voltage line. ## Claims ### Claim 1 A display device comprising: a substrate including a display area and a non-display area; a first common voltage line at least partially disposed on the display area; an outer common voltage line disposed on the non-display area, electrically connected to the first common voltage line, and comprising: a first outer common sub-voltage line; and a second outer common sub-voltage line comprising a first-second outer common sub-voltage line and a second-second outer common sub-voltage line; a first outer common voltage line protruding from the second outer common sub-voltage line; and a second outer common voltage line protruding from the second outer common sub-voltage line, wherein the second outer common sub-voltage line is disposed between the first common voltage line and the first outer common voltage line. ### Claim 2 (depends on 1) The display device of claim 1, wherein a lengthwise direction of the second outer common voltage line is perpendicular to the width of the first outer common sub-voltage line. ### Claim 3 (depends on 1) The display device of claim 1, wherein a shortest electrical path between the first common voltage line and the first outer common voltage line is shorter than a shortest electrical path between the first common voltage line and the second outer common voltage line. ### Claim 4 (depends on 1) The display device of claim 1, further comprising pixels disposed on the display area, and an outer initialization voltage line disposed between the outer common voltage line and the display area and electrically connected to at least some of the pixels. ### Claim 5 (depends on 1) The display device of claim 1, further comprising: pixels disposed on the display area, a driving voltage line at least partially disposed on the display area; and an outer driving voltage line disposed on the non-display area, disposed between the first-second outer common sub-voltage line and the second-second outer common sub-voltage line, electrically insulated from the outer common voltage line, and electrically connected to at least some of the pixels through the driving voltage line. ### Claim 6 (depends on 5) The display device of claim 5, wherein the second outer common sub-voltage line further comprises; a third-second outer common sub-voltage line; and a fourth-second outer common sub-voltage line, wherein the first-second outer common sub-voltage line is opposite the second-second outer common sub-voltage line in a first direction, wherein the first outer common sub-voltage line is opposite each of the third-second outer common sub-voltage line and the fourth-second outer common sub-voltage line in a second direction different from the first direction, and wherein the display area is disposed between the first outer common sub-voltage line and each of the third-second outer common sub-voltage line and the fourth-second outer common sub-voltage line in the second direction. ### Claim 7 (depends on 6) The display device of claim 6, wherein some of the pixels overlap the first common voltage line and do not overlap the driving voltage line. ### Claim 8 (depends on 7) The display device of claim 7, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 9 (depends on 6) The display device of claim 6, wherein the first common voltage line is disposed between a first subset of the pixels and a second subset of the pixels, and wherein a lengthwise direction of the first common voltage line is parallel to a lengthwise direction of the driving voltage line. ### Claim 10 (depends on 9) The display device of claim 9, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 11 (depends on 5) The display device of claim 5, wherein the second outer common sub-voltage line is opposite the first outer common sub-voltage line, and wherein two opposite sides of the display area are disposed between the first outer common sub-voltage line and the second outer common sub-voltage line. ### Claim 12 (depends on 11) The display device of claim 11, wherein some of the pixels overlap the first common voltage line and do not overlap the driving voltage line. ### Claim 13 (depends on 12) The display device of claim 12, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 14 (depends on 11) The display device of claim 11, wherein the first common voltage line is disposed between a first subset of the pixels and a second subset of the pixels, and wherein a lengthwise direction of the first common voltage line is parallel to a lengthwise direction of the driving voltage line. ### Claim 15 (depends on 14) The display device of claim 14, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 16 A display device of comprising: a substrate including a display area and a non-display area; a first common voltage line at least partially disposed on the display area; an outer common voltage line disposed on the non-display area and electrically connected to the first common voltage line, and comprising: a first outer common sub-voltage line; and a second outer common sub-voltage line comprising: a first-second outer common sub-voltage line; a second-second outer common sub-voltage line; a third-second outer common sub-voltage line; and a fourth-second outer common sub-voltage line; wherein the first-second outer common sub-voltage line is spaced from the third-second outer common sub-voltage line in at least a first direction, wherein a voltage transmitted by the first-second outer common sub-voltage line is equal to a voltage transmitted by the third-second outer common sub-voltage line when the display device is in operation; a first outer common voltage line protruding from the third-second outer common sub-voltage line in a second direction and disposed on the non-display area, wherein the second direction is different from the first direction; and a second outer common voltage line protruding from the first-second outer common sub-voltage line and disposed on the non-display area. ### Claim 17 (depends on 16) The display device of claim 16, wherein each of a lengthwise direction of the first outer common voltage line, a lengthwise direction of the second outer common voltage line, and a lengthwise direction of the first common voltage line is perpendicular to the first direction. ### Claim 18 (depends on 17) The display device of claim 17, further comprising pixels disposed on the display area, and an outer initialization voltage line electrically connected to at least some of the pixels. ### Claim 19 (depends on 16) The display device of claim 16, wherein a first side of the first-second outer common sub-voltage line is opposite a first side of the third-second outer common sub-voltage line in the first direction, and wherein a second side of the first-second outer common sub-voltage line is opposite a second side of the third-second outer common sub-voltage line in the second direction. ### Claim 20 (depends on 16) The display device of claim 16, further comprising a plurality of the first common voltage lines comprising the first common voltage line, wherein the total number of the first common voltage lines directly connected to the third-second outer common sub-voltage line is larger than the total number of the first common voltage lines directly connected to the first-second outer common sub-voltage line. ### Claim 21 (depends on 16) The display device of claim 16, further comprising: pixels disposed on the display area; a driving voltage line at least partially disposed on the display area; and an outer driving voltage line disposed on the non-display area, disposed between the third-second outer common sub-voltage line and the fourth-second outer common sub-voltage line, electrically insulated from each of the third-second outer common sub-voltage line and the fourth-second outer common sub-voltage line, and electrically connected to at least some of the pixels through the driving voltage line. ### Claim 22 (depends on 21) The display device of claim 21, wherein the display area is disposed between the first outer common sub-voltage line and the second outer common sub-voltage line. ### Claim 23 (depends on 22) The display device of claim 22, wherein some of the pixels overlap the first common voltage line and do not overlap the driving voltage line. ### Claim 24 (depends on 23) The display device of claim 23, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 25 (depends on 22) The display device of claim 22, wherein the first common voltage line is disposed between a first subset of the pixels and a second subset of the pixels, and wherein a lengthwise direction of the first common voltage line is parallel to a lengthwise direction of the driving voltage line. ### Claim 26 (depends on 25) The display device of claim 25, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 27 (depends on 16) The display device of claim 16, wherein at least one edge of the third-second outer common sub-voltage line is parallel to one side of the display area and is disposed between an edge of the first-second outer common sub-voltage line and the one side of the display area in the second direction. ### Claim 28 (depends on 27) The display device of claim 27, further comprising pixels disposed on the display area, and wherein some of the pixels overlap the first common voltage line and do not overlap a driving voltage line. ### Claim 29 (depends on 28) The display device of claim 28, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line. ### Claim 30 (depends on 27) The display device of claim 27, wherein the first common voltage line is disposed between a first subset of the pixels and a second subset of the pixels, and wherein a lengthwise direction of the first common voltage line is parallel to a lengthwise direction of a driving voltage line. ### Claim 31 (depends on 30) The display device of claim 30, further comprising a second common voltage line electrically connected to the first common voltage line and crossing the first common voltage line.