# US 11,443,695 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,443,695 B2 - Document ID: US11443695B2 - Status: Granted - Kind: B2 - Application number: 16/271,172 - Filed: 2019-02-08 - Published: 2019-09-12 - Granted: 2022-09-13 - Earliest claimed: 2018-03-09 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Byungsun Kim - Web page: https://patentgrep.com/patent/US11443695B2 ## CPC - G09G 3/3266: Details of drivers for scan electrodes - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3225: using an active matrix - G09G 2300/0426: Layout of electrodes and connections - G09G 2310/0281: Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure - 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 A display apparatus includes a substrate having a display area and a peripheral area, the peripheral area being outside the display area, a display unit on the display area of the substrate, the display unit including a pixel circuit and a display device electrically connected to the pixel circuit, a driver in the peripheral area of the substrate and configured to provide a signal to the display device, and an output wiring configured to transmit the signal from the driver to the display device, at least a part of the output wiring overlapping the driver. ## Claims ### Claim 1 A display apparatus, comprising: a substrate having a display area and a peripheral area, the peripheral area being outside the display area; a display unit on the display area of the substrate, the display unit including a pixel circuit and a display device electrically connected to the pixel circuit; a driver in the peripheral area of the substrate and configured to provide a signal to the display device; and an output wiring configured to transmit the signal from the driver to the display device, at least a part of the output wiring overlapping the driver, wherein the driver includes a scan driver configured to provide a scan signal for driving the display device, the scan driver disposed outside the display unit and a light emission control driver disposed outside the scan driver, the output wiring is a scan line, and at least a portion of the scan line overlaps the scan driver so as to pass between at least two driver circuits of the scan driver, and the output wiring passes over the scan driver and has a contact portion connected to the scan driver in a region between the scan driver and the light emission control driver. ### Claim 2 (depends on 1) The display apparatus as claimed in claim 1, wherein: the driver includes a scan driver, the scan driver being in the peripheral area of the substrate and in a neighboring area outside the display unit, the scan driver being configured to provide a scan signal for driving the display device, and the output wiring includes a scan line, the scan line being configured to transmit the scan signal output from the scan driver to the display device. ### Claim 3 (depends on 2) The display apparatus as claimed in claim 2, wherein the scan line overlaps the scan driver to pass over an upper surface of the scan driver such that the scan driver is interposed between the scan line and the substrate. ### Claim 4 (depends on 3) The display apparatus as claimed in claim 3, wherein the driver includes a light emission control driver in the peripheral area of the substrate and in a neighboring area outside the scan driver, the light emission control driver being configured to provide a light emission control signal for driving the display device. ### Claim 5 (depends on 4) The display apparatus as claimed in claim 4, wherein the scan line does not overlap the light emission control driver. ### Claim 6 (depends on 4) The display apparatus as claimed in claim 4, wherein the scan driver is between the light emission control driver and the display unit. ### Claim 7 (depends on 1) The display apparatus as claimed in claim 1, wherein the display unit has a curved edge in at least a part of an area of the display unit. ### Claim 8 (depends on 7) The display apparatus as claimed in claim 7, wherein the driver is located in the peripheral area adjacent to the part of the area of the display unit, the driver being bent along the curved edge of the area of the display unit. ### Claim 9 (depends on 1) The display apparatus as claimed in claim 1, wherein the display unit has at least one round-shaped edge. ### Claim 10 (depends on 1) The display apparatus as claimed in claim 1, wherein: the pixel circuit includes a thin-film transistor including a semiconductor layer and a gate electrode of which at least a part overlaps the semiconductor layer, a first conductive layer above the thin-film transistor, and a second conductive layer above the first conductive layer, and the driver includes a driving semiconductor layer on a same layer as that of the semiconductor layer, a driving gate electrode on a same layer as that of the gate electrode, and a third conductive layer on a same layer as that of the first conductive layer. ### Claim 11 (depends on 10) The display apparatus as claimed in claim 10, wherein the output wiring is on a same layer as that of the second conductive layer. ### Claim 12 (depends on 10) The display apparatus as claimed in claim 10, wherein the output wiring is electrically connected to the third conductive layer. ### Claim 13 (depends on 1) The display apparatus as claimed in claim 1, wherein the display device includes a pixel electrode, a common electrode above the pixel electrode, and an organic light emission layer between the pixel electrode and the common electrode. ### Claim 14 (depends on 13) The display apparatus as claimed in claim 13, further comprising a power supply wiring in the peripheral area of the substrate and in a neighboring area outside the driver, the power supply wiring being electrically connected to the common electrode of the display device. ### Claim 15 (depends on 1) The display apparatus as claimed in claim 1, wherein the output wiring overlaps the driver at a position directly over a driving semiconductor layer of an output transistor of the driver. ### Claim 16 (depends on 1) The display apparatus as claimed in claim 1, further comprising one or more insulating layers disposed between the driver and the output wiring such that the output wiring, the one or more insulating layers, and the driver overlap at a position directly over a driving semiconductor layer of an output transistor of the driver. ### Claim 17 (depends on 16) The display apparatus as claimed in claim 16, wherein the one or more insulating layers include an organic insulating layer and an inorganic insulating layer both disposed between the driver and the output wiring such that the output wiring, the organic insulating layer, the inorganic insulating layer, and the driver overlap at a position directly over the driving semiconductor layer of the output transistor of the driver. ### Claim 18 (depends on 1) The display apparatus as claimed in claim 1, wherein an output transistor of the driver is electrically shorted to the output wiring. ### Claim 19 A display apparatus, comprising: a substrate having a display area and a peripheral area, the peripheral area being outside the display area; a display unit on the display area of the substrate, the display unit including a pixel circuit and a display device electrically connected to the pixel circuit; a first driver in the peripheral area of the substrate and on an outside of the display unit, the first driver being configured to provide a scan signal to the display device; a second driver in the peripheral area of the substrate and on an outside of the scan driver, the second driver being configured to provide a light emission control signal to the display device; a first wiring configured to transmit the scan signal from the first driver to the display device, at least a part of the first wiring overlapping the first driver so as to pass between at least two drive circuits of the first driver; and a second wiring configured to transmit the emission control signal from the second driver to the display device, wherein the output wiring passes over the scan driver and has a contact portion connected to the scan driver in a region between the scan driver and the light emission control driver. ### Claim 20 (depends on 19) The display apparatus as claimed in claim 19, wherein the first driver is between the second driver and the display unit. ### Claim 21 (depends on 19) The display apparatus as claimed in claim 19, wherein the display unit has at least one round-shaped edge. ### Claim 22 (depends on 21) The display apparatus as claimed in claim 21, wherein at least of a part of the first driver and at least a part of the second driver are bent along a curve outside the at least one round-shaped edge. ### Claim 23 (depends on 19) The display apparatus as claimed in claim 19, wherein: the pixel circuit includes a thin-film transistor including a semiconductor layer and a gate electrode of which at least a part overlaps the semiconductor layer, a first conductive layer over the pixel circuit, and a second conductive layer over the first conductive layer, and the first wiring is on a same layer as that of the second conductive layer. ### Claim 24 (depends on 19) The display apparatus as claimed in claim 19, further comprising a power supply wiring in the peripheral area and in a neighboring area outside at least one of the first driver and the second driver, the power supply wiring being configured to supply power to the display device. ### Claim 25 (depends on 19) The display apparatus as claimed in claim 19, wherein the output wiring overlaps the driver at a position directly over a driving semiconductor layer of an output transistor of the driver. ### Claim 26 (depends on 19) The display apparatus as claimed in claim 19, further comprising one or more insulating layers disposed between the driver and the output wiring such that the output wiring, the one or more insulating layers, and the driver overlap at a position directly over a driving semiconductor layer of an output transistor of the driver. ### Claim 27 (depends on 26) The display apparatus as claimed in claim 26, wherein the one or more insulating layers include an organic insulating layer and an inorganic insulating layer both disposed between the driver and the output wiring such that the output wiring, the organic insulating layer, the inorganic insulating layer, and the driver overlap at a position directly over the driving semiconductor layer of the output transistor of the driver.