# US 10,504,935 B2 · 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 10,504,935 B2 - Document ID: US10504935B2 - Status: Granted - Kind: B2 - Application number: 15/825,445 - Filed: 2017-11-29 - Published: 2018-05-31 - Granted: 2019-12-10 - Earliest claimed: 2016-11-30 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Woo-Chan Cho; Ho-Young Jeong; Yong-Min Kim - Web page: https://patentgrep.com/patent/US10504935B2 ## CPC - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - 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 - G09G 2320/0295: by monitoring each display pixel - G09G 2320/043: Preventing or counteracting the effects of ageing - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - 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 An organic light emitting display device is disclosed. The organic light emitting display device includes a light emitting element disposed in each sub-pixel area on a substrate; a pixel circuit disposed in a circuit area of each sub-pixel area to drive the light emitting element; a first signal line disposed on the substrate to contact the substrate, arranged in a first direction, and connected to the pixel circuit; a second signal line arranged in a second direction and connected to the pixel circuit; and at least two insulation films disposed between the first and second signal lines. ## Claims ### Claim 1 An organic light emitting display device, comprising: a light emitting element disposed in each sub-pixel area on a substrate; a pixel circuit disposed in a circuit area of each sub-pixel area to drive the light emitting element; a first signal line disposed on the substrate to contact the substrate, arranged in a first direction, and connected to the pixel circuit; a second signal line arranged in a second direction and connected to the pixel circuit; and at least two insulation films disposed between the first and second signal lines. ### Claim 2 (depends on 1) The organic light emitting display device according to claim 1, wherein the pixel circuit comprises: a driving transistor connected between the light emitting element and a high-voltage supply line; a switching transistor connected between a gate electrode of the driving transistor and a data line; and a sensing transistor connected between the driving transistor and a reference line, wherein the first signal line comprises at least one of a scan line connected to the gate electrode of the switching transistor and a sensing control line connected to the gate electrode of the sensing transistor, and the second signal line comprises at least one of the high-voltage supply line, the data line, and a low-voltage supply line connected to the cathode of the light emitting element. ### Claim 3 (depends on 2) The organic light emitting display device according to claim 2, wherein at least two the insulation films comprises: a buffer film covering the scan line and the sensing control line; and an interlayer insulation film disposed on the buffer film. ### Claim 4 (depends on 3) The organic light emitting display device according to claim 3, further comprising: a gate contact hole penetrating the buffer film and the interlayer insulation film to expose an upper surface of the first signal line and the gate electrode; and a connection electrode connecting the first signal line exposed through the gate contact hole to the gate electrode. ### Claim 5 (depends on 4) The organic light emitting display device according to claim 4, wherein the gate contact hole penetrates the buffer film and the interlayer insulation film to expose an upper surface of the scan line and the gate electrode of the switching transistor, and the connection electrode connects the scan line exposed through the gate contact hole to the gate electrode of the switching transistor. ### Claim 6 (depends on 4) The organic light emitting display device according to claim 4, wherein the gate contact hole penetrates the buffer film and the interlayer insulation film to expose an upper surface of the sensing control line and the gate electrode of the sensing transistor, and the connection electrode connects the sensing control line exposed through the gate contact hole to the gate electrode of the sensing transistor. ### Claim 7 (depends on 6) The organic light emitting display device according to claim 6, wherein the connection electrode is disposed on the interlayer insulation film using the same material as the data line. ### Claim 8 (depends on 3) The organic light emitting display device according to claim 3, further comprising: a gate contact hole penetrating the buffer film to expose an upper surface of the first signal line and a side surface of a gate insulation pattern, wherein the gate electrode is directly connected to the first signal line exposed through the gate contact hole. ### Claim 9 (depends on 8) The organic light emitting display device according to claim 8, wherein the gate contact hole penetrates the buffer film to expose an upper surface of the scan line, and the gate electrode of the switching transistor is directly connected to the scan line exposed through the gate contact hole. ### Claim 10 (depends on 8) The organic light emitting display device according to claim 8, wherein the gate contact hole penetrates the buffer film to expose the upper surface of the sensing control line, and the gate electrode of the sensing transistor is directly connected to the sensing control line exposed through the gate contact hole. ### Claim 11 (depends on 8) The organic light emitting display device according to claim 8, wherein the gate insulation pattern is disposed between the gate electrode and the buffer film. ### Claim 12 (depends on 8) The organic light emitting display device according to claim 8, wherein the gate insulation pattern is formed in the same line width as the gate electrode. ### Claim 13 (depends on 1) The organic light emitting display device according to claim 1, wherein the second direction crosses the first direction. ### Claim 14 An organic light emitting display device, comprising: a scan line and a sensing control line disposed in a horizontal direction on a substrate such that the scan line and the sensing control line contact the substrate; at least two insulation films disposed on the scan line and the sensing control line; a data line, a high-voltage supply line and a low-voltage supply line disposed in a vertical direction on the insulation films; a pixel circuit connected to the scan line, the sensing control line, the data line, the high-voltage supply line and the low-voltage supply line; and a light emitting element connected to the pixel circuit. ### Claim 15 (depends on 14) The organic light emitting display device according to claim 14, wherein the pixel circuit comprises: a driving transistor connected between the light emitting element and the high-voltage supply line; a switching transistor between the gate electrode of the driving transistor and the data line; and a sensing transistor connected between the driving transistor and a reference line, wherein the insulation film comprising at least two layers comprises: a buffer film covering the scan line and the sensing control line; and an interlayer insulation film disposed on the buffer film. ### Claim 16 (depends on 15) The organic light emitting display device according to claim 15, further comprising: a gate contact hole penetrating the buffer film and the interlayer insulation film to expose an upper surface of each of the scan line and the sensing control line, and the gate electrode of each of the switching and sensing transistors; and a connection electrode connecting the scan line exposed through the gate contact hole to the gate electrode of the switching transistor, and connecting the sensing control line exposed through the gate contact hole to the gate electrode of the sensing transistor, wherein the connection electrode is formed on the interlayer insulation film using the same material as the data line. ### Claim 17 (depends on 15) The organic light emitting display device according to claim 15, further comprising: a gate contact hole penetrating the buffer film to expose an upper surface of each of the scan line and the sensing control line, wherein the gate electrode of the switching transistor is directly connected to the scan line exposed through the gate contact hole, and the gate electrode of the sensing transistor is directly connected to the sensing control line exposed through the gate contact hole.