# US 2022/0037447 A1 · Organic light emitting display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0037447 A1 - Document ID: US20220037447A1 - Status: Published application - Kind: A1 - Application number: 17/276,117 - Filed: 2019-08-20 - Published: 2022-02-03 - Earliest claimed: 2018-09-13 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Seung-Hwan CHO; Jong-Hyun CHOI; Gyung-Soon PARK; Ju-Chan PARK - Web page: https://patentgrep.com/patent/US20220037447A1 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/88: Dummy elements, i.e. elements having non-functional features - G09G 2300/0426: Layout of electrodes and connections - 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 An organic light emitting display device includes: a substrate including: a display area having a first sub-display area and a second sub-display area at a first side part of the first sub-display area; and a pad area at a second side part different from the first side part of the first sub-display area; a plurality of right signal wirings in the second sub-display area on the substrate; a plurality of right fan-out wirings in the pad area, the first sub-display area, and the second sub-display area on the right signal wirings, the right fan-out wirings each including a bent part; a plurality of dummy patterns in the first and second sub-display areas on the right signal wirings, the dummy patterns being spaced apart from the right fan-out wirings, the dummy patterns having a lattice shape; and a plurality of sub-pixel structures on the dummy patterns. ## Claims ### Claim 1 An organic light emitting display device comprising: a substrate comprising: a display area having a first sub-display area and a second sub-display area at a first side part of the first sub-display area; and a pad area at a second side part different from the first side part of the first sub-display area; a plurality of right signal wirings in the second sub-display area on the substrate; a plurality of right fan-out wirings in the pad area, the first sub-display area, and the second sub-display area on the right signal wirings, the right fan-out wirings each including a bent part; a plurality of dummy patterns in the first and second sub-display areas on the right signal wirings, the dummy patterns being spaced apart from the right fan-out wirings, the dummy patterns having a lattice shape; and a plurality of sub-pixel structures on the dummy patterns. ### Claim 2 (depends on 1) The organic light emitting display device of claim 1, wherein each of the right fan-out wirings includes: a vertical extension part in the pad area and the first sub-display area and extending in a first direction; and a horizontal extension part extending in a second direction orthogonal to the first direction from a first end of the vertical extension part in the first sub-display area. ### Claim 3 (depends on 2) The organic light emitting display device of claim 2, wherein a second end of the vertical extension part is in the pad area, and the first end opposite to the second end of the vertical extension part is connected to a first end of the horizontal extension part. ### Claim 4 (depends on 3) The organic light emitting display device of claim 3, wherein a second end opposite to the first end of the horizontal extension part is connected to one of the right signal wirings through a contact hole. ### Claim 5 (depends on 4) The organic light emitting display device of claim 4, wherein the bent part is defined by the first end of the vertical extension part and the first end of the horizontal extension part. ### Claim 6 (depends on 2) The organic light emitting display device of claim 2, wherein the vertical extension part and the horizontal extension part are integrally formed with each other. ### Claim 7 (depends on 2) The organic light emitting display device of claim 2, wherein each of the right fan-out wirings further includes a sub-vertical extension part that extends in a fourth direction opposite to the first direction from a second end of the horizontal extension part. ### Claim 8 (depends on 7) The organic light emitting display device of claim 7, wherein a first end of the horizontal extension part is connected to the first end of the vertical extension part, and the second end opposite to the first end of the horizontal extension part is connected to a first end of the sub-vertical extension part. ### Claim 9 (depends on 8) The organic light emitting display device of claim 8, wherein a second end opposite to the first end of the sub-vertical extension part is connected to one of the right signal wirings through a contact hole. ### Claim 10 (depends on 9) The organic light emitting display device of claim 9, wherein the bent part is defined by i) the first end of the vertical extension part and the first end of the horizontal extension part and ii) the second end of the horizontal extension part and the first end of the sub-vertical extension part. ### Claim 11 (depends on 7) The organic light emitting display device of claim 7, wherein the vertical extension part, the horizontal extension part, and the sub-vertical extension part are integrally formed with each other. ### Claim 12 (depends on 7) The organic light emitting display device of claim 7, wherein the vertical extension part is parallel to the sub-vertical extension part, and a length of the vertical extension part in the first direction is longer than a length of the sub-vertical extension part in the first direction. ### Claim 13 (depends on 7) The organic light emitting display device of claim 7, wherein the dummy patterns include: a plurality of vertical dummy patterns spaced apart from the vertical extension part in the first direction, the vertical dummy patterns being spaced apart from each other in the first direction; and a plurality of horizontal dummy patterns spaced apart from the horizontal extension part in a third direction opposite to the second direction, the horizontal dummy patterns being spaced apart from each other in the third direction. ### Claim 14 (depends on 13) The organic light emitting display device of claim 13, wherein the dummy patterns further include: a plurality of sub-vertical dummy patterns spaced apart from the vertical extension part in the third direction, the sub-vertical dummy patterns being spaced apart from each other in the first direction; and a plurality of sub-horizontal dummy patterns spaced apart from the horizontal extension part in the first direction, the sub-horizontal dummy patterns being spaced apart from each other in the third direction. ### Claim 15 (depends on 14) The organic light emitting display device of claim 14, wherein the display area includes a plurality of sub-pixel circuit areas, and at least one of the vertical dummy pattern, the horizontal dummy pattern, the sub-vertical dummy pattern, or the sub-horizontal dummy pattern is in each of the sub-pixel circuit areas. ### Claim 16 (depends on 15) The organic light emitting display device of claim 15, wherein the dummy patterns have a lattice shape in the display area by the vertical dummy pattern, the horizontal dummy pattern, the sub-vertical dummy pattern, and the sub-horizontal dummy pattern in each of the sub-pixel circuit areas. ### Claim 17 (depends on 1) The organic light emitting display device of claim 1, further comprising: a plurality of power voltage wirings in the display area on the substrate, wherein at least some of the dummy patterns are electrically connected to at least some of the power voltage wirings. ### Claim 18 (depends on 1) The organic light emitting display device of claim 1, wherein the right fan-out wirings include first to Mth right fan-out wirings (where M is an integer of 1 or more), in which the first to Mth right fan-out wirings are sequentially arranged while being spaced apart from each other. ### Claim 19 (depends on 18) The organic light emitting display device of claim 18, wherein lengths of the first to Mth right fan-out wirings are gradually decreased. ### Claim 20 (depends on 18) The organic light emitting display device of claim 18, wherein a Kth right fan-out wiring (where K is an integer between 1 and M) among the first to Mth right fan-out wirings includes: a vertical extension part in the pad area and the first sub-display area and extending in a first direction; and a horizontal extension part extending in a second direction orthogonal to the first direction from a first end of the vertical extension part in the first sub-display area. ### Claim 21 (depends on 20) The organic light emitting display device of claim 20, wherein a second end of the vertical extension part of the Kth right fan-out wiring is in the pad area, and the first end opposite to the second end of the vertical extension part of the Kth right fan-out wiring is connected to the first end of the horizontal extension part. ### Claim 22 (depends on 21) The organic light emitting display device of claim 21, wherein the right signal wirings include first to Nth right signal wirings (where N is an integer of 1 or more), in which the first to Nth right signal wirings are arranged in a reverse sequence and spaced apart from each other. ### Claim 23 (depends on 22) The organic light emitting display device of claim 22, wherein the Mth right fan-out wiring and the Nth right signal wiring are adjacent to a boundary between the first sub-display area and the second sub-display area. ### Claim 24 (depends on 22) The organic light emitting display device of claim 22, wherein the horizontal extension part of the Kth right fan-out wiring among the first to Mth right fan-out wirings is connected to an Lth right signal wiring (where L is an integer between 1 and N) among the first to Nth right signal wirings through a contact hole. ### Claim 25 (depends on 24) The organic light emitting display device of claim 24, wherein the bent part is defined by the first end of the vertical extension part of the Kth right fan-out wiring and the first end of the horizontal extension part of the Kth right fan-out wiring. ### Claim 26 (depends on 20) The organic light emitting display device of claim 20, wherein the vertical and horizontal extension parts of the Kth right fan-out wiring are integrally formed. ### Claim 27 (depends on 26) The organic light emitting display device of claim 26, wherein the Kth right fan-out wiring further includes: a sub-vertical extension part that extends in a fourth direction opposite to the first direction from a second end of the horizontal extension part. ### Claim 28 (depends on 27) The organic light emitting display device of claim 27, wherein a first end of the horizontal extension part is connected to the vertical extension part, and the second end opposite to the first end of the horizontal extension part is connected to a first end of the sub-vertical extension part. ### Claim 29 (depends on 28) The organic light emitting display device of claim 28, wherein the right signal wirings include first to Nth right signal wirings (where N is an integer of 1 or more), in which the first to Nth right signal wirings are arranged in a reverse sequence and spaced apart from each other. ### Claim 30 (depends on 29) The organic light emitting display device of claim 29, wherein the sub-vertical extension part of the Kth right fan-out wiring among the first to Mth right fan-out wirings is connected to an Lth right signal wiring among the first to Nth right signal wirings (where L is an integer between 1 and N) through contact holes. ### Claim 31 (depends on 30) The organic light emitting display device of claim 30, wherein the bent part is defined by i) a first end of the vertical extension part of the Kth right fan-out wiring and a first end of the horizontal extension part of the Kth right fan-out wiring and ii) a second end of the horizontal extension part of the Kth right fan-out wiring and a first end of the sub-vertical extension part of the Kth right fan-out wiring. ### Claim 32 (depends on 27) The organic light emitting display device of claim 27, wherein the vertical extension part of the Kth right fan-out wiring, the horizontal extension part of the Kth right fan-out wiring, and the sub-vertical extension part of the Kth right fan-out wiring are integrally formed. ### Claim 33 (depends on 27) The organic light emitting display device of claim 27, wherein the vertical extension part of the Kth right fan-out wiring is parallel to the sub-vertical extension part of the Kth right fan-out wiring, and a length of the vertical extension part in the first direction is longer than a length of the sub-vertical extension part in the first direction. ### Claim 34 (depends on 27) The organic light emitting display device of claim 27, wherein an empty space is formed inside the vertical extension part of the Kth right fan-out wiring, the horizontal extension part of the Kth right fan-out wiring, and the sub-vertical extension part of the Kth right fan-out wiring, and the empty space has a shape recessed in the first direction, and wherein a (K+1)th right fan-out wiring among the first to Mth right fan-out wirings is disposed in the empty space. ### Claim 35 (depends on 27) The organic light emitting display device of claim 27, wherein the dummy patterns include first to Pth dummy patterns (where P is an integer of 1 or more), in which a Jth dummy pattern (where J is an integer between 1 and N) among the first to Pth dummy patterns includes: a plurality of vertical dummy patterns spaced apart from the vertical extension part of the Kth right fan-out wiring in the first direction and arranged to be spaced apart from each other in the first direction, and a plurality of horizontal dummy patterns spaced apart from the horizontal extension part of the Kth right fan-out wiring in a third direction opposite to the second direction and arranged to be spaced apart from each other in the third direction. ### Claim 36 (depends on 35) The organic light emitting display device of claim 35, wherein the Jth dummy pattern further includes: a plurality of sub-vertical dummy patterns spaced apart from the vertical extension part of the Kth right fan-out wiring in the third direction and arranged to be spaced apart from each other in the first direction; and a plurality of sub-horizontal dummy patterns spaced apart from the horizontal extension part of the Kth right fan-out wiring in the first direction and arranged to be spaced apart from each other in the third direction. ### Claim 37 (depends on 36) The organic light emitting display device of claim 36, wherein the display area includes a plurality of sub-pixel circuit areas, in which at least one of the vertical dummy pattern, the horizontal dummy pattern, the sub-vertical dummy pattern, or the sub-horizontal dummy pattern is in each of the sub-pixel circuit areas. ### Claim 38 (depends on 37) The organic light emitting display device of claim 37, wherein the dummy patterns have a lattice shape in the display area by the vertical dummy pattern, the horizontal dummy pattern, the sub-vertical dummy pattern, and the sub-horizontal dummy pattern in each of the sub-pixel circuit areas. ### Claim 39 (depends on 1) The organic light emitting display device of claim 1, wherein the substrate further includes a third sub-display area at a third side part directed to face the first side part of the first sub-display area, the pad area and the first sub-display area are arranged in a first direction, and the third sub-display area, the first sub-display area, and the second sub-display area are arranged in a second direction orthogonal to the first direction. ### Claim 40 (depends on 39) The organic light emitting display device of claim 39, wherein a width of the display area in the second direction is greater than a width of the pad area in the second direction. ### Claim 41 (depends on 40) The organic light emitting display device of claim 40, further comprising: a plurality of pad electrodes arranged in the second direction in the pad area. ### Claim 42 (depends on 39) The organic light emitting display device of claim 39, further comprising: a plurality of left signal wirings in the third sub-display area on the substrate; and a plurality of left fan-out wirings in the pad area, the first sub-display area, and the third sub-display area on the left signal wirings, the left fan-out wirings each including a bent part. ### Claim 43 (depends on 42) The organic light emitting display device of claim 42, wherein the dummy patterns are in the third sub-display area on the left signal wirings, and spaced apart from the left fan-out wirings, and wherein the dummy patterns have a lattice shape. ### Claim 44 (depends on 42) The organic light emitting display device of claim 42, wherein the left fan-out wiring and the right fan-out wiring are symmetrical to each other. ### Claim 45 (depends on 42) The organic light emitting display device of claim 42, wherein the left signal wirings are only in the third sub-display area, and a data signal is applied through the left fan-out wirings. ### Claim 46 (depends on 1) The organic light emitting display device of claim 1, wherein the right signal wirings are only in the second sub-display area, and a data signal is applied through the right fan-out wirings. ### Claim 47 (depends on 1) The organic light emitting display device of claim 1, wherein each of the sub-pixel structures includes: a lower electrode on the dummy patterns; a light emitting layer on the lower electrode; and an upper electrode on the light emitting layer. ### Claim 48 (depends on 1) The organic light emitting display device of claim 1, further comprising: a plurality of center signal wirings in the first sub-display area on the substrate. ### Claim 49 (depends on 48) The organic light emitting display device of claim 48, wherein a length of each of the center signal wirings in a first direction is longer than a length of each of the right signal wirings in the first direction. ### Claim 50 (depends on 48) The organic light emitting display device of claim 48, wherein the center signal wirings are only in the first sub-display area, and a data signal is applied through the center signal wirings.