# US 2022/0285474 A1 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0285474 A1 - Document ID: US20220285474A1 - Status: Published application - Kind: A1 - Application number: 17/450,539 - Filed: 2021-10-11 - Published: 2022-09-08 - Earliest claimed: 2021-03-04 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Sunghwan Kim; Daehyun Kim; Eunju Kim; Hyunchol Bang - Web page: https://patentgrep.com/patent/US20220285474A1 ## CPC - G09G 3/3241: the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/1213: {the pixel elements being TFTs} - H10K 59/1315: {comprising structures specially adapted for lowering the resistance} - 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 2300/0819: 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 2310/0251: Precharge or discharge of pixel before applying new pixel voltage - 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) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract The present disclosure relates to a display apparatus with a reduced resistance of wirings configured to transfer electric signals to pixels, the display apparatus including: a plurality of pixels arranged on a substrate; a first scan line arranged on the substrate and including a first extension portion and a plurality of first branches, the first extension portion extending in a first direction in a plan view and connected to pixels in a same row from among the plurality of pixels, and the plurality of first branches extending in a second direction from the first extension portion; a second scan line arranged on the substrate, extending in the first direction in a plan view, and being spaced apart from the first extension portion in the second direction; and a plurality of first contact plugs connecting the plurality of first branches to the second scan line. ## Claims ### Claim 1 A display apparatus comprising: a plurality of pixels arranged on a substrate; a first scan line arranged on the substrate and comprising a first extension portion and a plurality of first branches, the first extension portion extending in a first direction in a plan view and connected to pixels in a same row from among the plurality of pixels, and the plurality of first branches extending in a second direction from the first extension portion; a second scan line arranged on the substrate, extending in the first direction in a plan view, and being spaced apart from the first extension portion in the second direction; and a plurality of first contact plugs connecting the plurality of first branches to the second scan line. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein a number of pixels arranged in a same row from among the plurality of pixels is k, wherein the plurality of pixels are arranged between first contact plugs that are adjacent to each other in the first direction from among the plurality of first contact plugs, and wherein k is a natural number. ### Claim 3 (depends on 1) The display apparatus of claim 1, further comprising: a first initialization gate line arranged on the substrate, extending in the first direction in a plan view, and connected to pixels in a same row from among the plurality of pixels; a second initialization gate line arranged on the substrate, extending in the first direction in a plan view, and comprising a plurality of first portions and a plurality of second portions, the plurality of first portions being spaced apart in the second direction from the first initialization gate line, and the plurality of second portions partially overlapping at least a portion of the first initialization gate line; and a plurality of second contact plugs connecting the first initialization gate line to the second initialization gate line. ### Claim 4 (depends on 3) The display apparatus of claim 3, wherein the plurality of first portions and the plurality of second portions of the second initialization gate line are alternatingly arranged in the first direction. ### Claim 5 (depends on 3) The display apparatus of claim 3, wherein the second initialization gate line comprises a plurality of second branches each extending in the second direction from the plurality of first portions, and wherein each of the plurality of second contact plugs connects the first initialization gate line to the plurality of second branches. ### Claim 6 (depends on 3) The display apparatus of claim 3, wherein a number of pixels arranged in a same row from among the plurality of pixels is k, wherein the plurality of pixels are arranged between second contact plugs that are adjacent to each other in the first direction from among the plurality of second contact plugs, and wherein k is a natural number. ### Claim 7 (depends on 3) The display apparatus of claim 3, wherein the first initialization gate line comprises a second extension portion and a plurality of third branches, the second extension portion extending in the first direction in a plan view, and wherein each of the plurality of third branches comprises a first portion, a second portion, and a third portion, the first portion extending in the second direction from the second extension portion, the second portion extending in the first direction from the first portion, and the third portion extending in the second direction from the second portion. ### Claim 8 (depends on 7) The display apparatus of claim 7, wherein each of the plurality of pixels comprises: a light-emitting element; a driving thin-film transistor configured to control a current flowing through the light-emitting element according to a gate-source voltage; a compensation thin-film transistor configured to connect a drain of the driving thin-film transistor to a gate of the driving thin-film transistor in response to a scan signal; and a node connection pattern connecting the gate of the driving thin-film transistor to a drain of the compensation thin-film transistor, wherein the display apparatus further comprises a data line arranged on the substrate, extending in the second direction in a plan view, and connected to pixels in a same column from among the plurality of pixels, and wherein the third portion of the first initialization gate line is arranged between the data line and the node connection pattern in a plan view. ### Claim 9 (depends on 3) The display apparatus of claim 3, further comprising a plurality of gate patterns spaced apart from each other in the first direction, and at least partially overlapping one of the plurality of first portions of the second initialization gate line. ### Claim 10 (depends on 9) The display apparatus of claim 9, wherein a number of the plurality of gate patterns at least partially overlapping one of the plurality of first portions of the second initialization gate line is 3. ### Claim 11 (depends on 9) The display apparatus of claim 9, further comprising: a first conductive layer arranged on the substrate and comprising the first scan line, the first initialization gate line, and the plurality of gate patterns; and a second conductive layer arranged on the first conductive layer and comprising the second scan line and the second initialization gate line. ### Claim 12 (depends on 1) The display apparatus of claim 1, wherein the second scan line is arranged on the first scan line and overlaps at least a portion of the plurality of first branches. ### Claim 13 (depends on 12) The display apparatus of claim 12, wherein the second scan line and the plurality of first contact plugs are provided as one body. ### Claim 14 (depends on 1) The display apparatus of claim 1, further comprising a semiconductor layer arranged between the substrate and the first scan line, the semiconductor layer comprising a plurality of active regions and a voltage line, wherein the plurality of pixels comprises a respective active region of the plurality of active regions, and wherein the voltage line is connected to the plurality of active regions. ### Claim 15 A display apparatus comprising: a plurality of pixels arranged on a substrate; a first gate line arranged on the substrate, extending in a first direction in a plan view, and connected to pixels in a same row from among the plurality of pixels; a second gate line arranged on the substrate, extending in the first direction in a plan view, and comprising a plurality of first portions and a plurality of second portions, the plurality of first portions being spaced apart in a second direction from the first gate line, and the plurality of second portions overlapping at least a portion of the first gate line; and a plurality of contact plugs connecting the first gate line to the second gate line. ### Claim 16 (depends on 15) The display apparatus of claim 15, wherein the plurality of first portions and the plurality of second portions of the second gate line are alternatingly arranged in the first direction. ### Claim 17 (depends on 15) The display apparatus of claim 15, wherein the second gate line comprises a plurality of first branches each extending in the second direction from the plurality of first portions, and wherein each of the plurality of contact plugs connects the first gate line to the plurality of first branches. ### Claim 18 (depends on 15) The display apparatus of claim 15, wherein a number of pixels arranged in a same row from among the plurality of pixels is k, wherein the plurality of pixels are arranged between contact plugs that are adjacent to each other in the first direction from among the plurality of contact plugs, and wherein k is a natural number. ### Claim 19 (depends on 15) The display apparatus of claim 15, wherein the first gate line comprises an extension portion and a plurality of second branches, the extension portion extending in the first direction in a plan view, and wherein each of the plurality of second branches comprises a first portion, a second portion, and a third portion, the first portion extending in the second direction from the extension portion, the second portion extending in the first direction from the first portion, and the third portion extending in the second direction from the second portion. ### Claim 20 (depends on 15) The display apparatus of claim 15, further comprising a plurality of gate patterns being spaced apart from each other in the first direction and at least partially overlapping one of the plurality of first portions of the second gate line.