# US 10,319,802 B1 · Display substrate edge patterning and metallization > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,802 B1 - Document ID: US10319802B1 - Status: Granted - Kind: B1 - Application number: 15/821,584 - Filed: 2017-11-22 - Published: 2019-05-23 - Granted: 2019-06-11 - Earliest claimed: 2017-11-22 - Assignees: Microsoft Technology Licensing, LLC - Applicants: Microsoft Technology Licensing, LLC - Inventors: Minhyuk Choi; Rajesh Dighde - Web page: https://patentgrep.com/patent/US10319802B1 ## CPC - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G09G 3/3225: using an active matrix - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 71/233: {by photolithographic etching} - H10W 46/00: Marks applied to devices, e.g. for alignment or identification - G02F 2201/42: Arrangements for providing conduction through an insulating substrate - G09G 2300/0408: Integration of the drivers onto the display substrate - H10D 86/0214: {using temporary substrates} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/1201: {Manufacture or treatment} - H10K 71/00: Manufacture or treatment specially adapted for the organic devices covered by this subclass - H10K 71/80: using temporary substrates - H10W 46/201: {located on the periphery of wafers, e.g. orientation notches or lot numbers} - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - 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 - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A display includes a display substrate having a patterned edge, the patterned edge including a plurality of notches. The display further includes a plurality of display signal lines supported by the display substrate on a first side of the display substrate, and a display control circuit disposed along a second side of the display substrate, the second side being opposite the first side. The display control circuit includes a plurality of contacts. Each display signal line of the plurality of display signal lines is disposed in a respective notch of the plurality of notches to traverse the patterned edge to establish an electrical connection between each display signal line of the plurality of display signal lines and a respective contact of the plurality of contacts. ## Claims ### Claim 1 A display comprising: a display substrate having a patterned edge, the patterned edge comprising a plurality of notches; a plurality of display signal lines supported by the display substrate on a first side of the display substrate; and a display control circuit disposed along a second side of the display substrate, the second side being opposite the first side; wherein: the display control circuit comprises a plurality of contacts; and each display signal line of the plurality of display signal lines is disposed in a respective notch of the plurality of notches to traverse the patterned edge to establish an electrical connection between each display signal line of the plurality of display signal lines and a respective contact of the plurality of contacts. ### Claim 2 (depends on 1) The display of claim 1, further comprising a conductive adhesive layer that electrically connects each display signal line of the plurality of display signal lines with a respective contact of the plurality of contacts. ### Claim 3 (depends on 2) The display of claim 2, wherein the conductive adhesive layer is disposed along the patterned edge at ends of the plurality of display signal lines to adhesively secure the plurality of display signal lines to the plurality of contacts. ### Claim 4 (depends on 2) The display of claim 2, wherein the conductive adhesive layer comprises an anisotropic conductive film (ACF). ### Claim 5 (depends on 1) The display of claim 1, wherein the display control circuit comprises a circuit substrate disposed along the second side of the display substrate, the plurality of contacts being supported by the circuit substrate. ### Claim 6 (depends on 5) The display of claim 5, wherein: the circuit substrate comprises a flexible film; the display control circuit comprises an integrated circuit (IC) chip; and the IC chip is mounted on the flexible film in a chip-on-film arrangement. ### Claim 7 (depends on 6) The display of claim 6, wherein the substrate comprises a flexible polymer. ### Claim 8 (depends on 1) The display of claim 1, wherein each display signal line of the plurality of display signal lines comprises a respective conductive trace supported by the display substrate along the first side of the display substrate and along the patterned edge. ### Claim 9 (depends on 8) The display of claim 8, wherein each respective conductive trace extends across an active area of the display. ### Claim 10 (depends on 1) The display of claim 1, wherein the plurality of display signal lines are arranged on the first side of the display substrate at a pitch that corresponds with a pitch of the plurality of notches. ### Claim 11 (depends on 1) The display of claim 1, wherein the plurality of display signal lines are arranged on the first side of the display substrate at a pitch that corresponds with a pitch of the plurality of contacts. ### Claim 12 A device comprising: a display panel comprising a substrate and a plurality of signal lines supported by the display substrate, the plurality of signal lines extending across a first side of the substrate to define an active area of the display panel; and a display control circuit configured to control the display panel and disposed along a second side of the substrate, the second side being opposite the first side; wherein: the substrate has a patterned edge; the patterned edge comprises a plurality of notches; and each signal line of the plurality of signal lines is disposed in a respective notch of the plurality of notches to traverse the edge to establish an electrical connection between the plurality of display signal lines and the display control circuit. ### Claim 13 (depends on 12) The device of claim 12, wherein: the display control circuit comprises a plurality of contacts; and the device further comprises a conductive adhesive layer that electrically connects each display signal line of the plurality of display signal lines with a respective contact of the plurality of contacts. ### Claim 14 (depends on 13) The device of claim 13, wherein the conductive adhesive layer is disposed along the patterned edge at ends of the plurality of display signal lines to adhesively secure the plurality of display signal lines to the plurality of contacts. ### Claim 15 (depends on 13) The device of claim 13, wherein the plurality of signal lines are arranged on the first side of the display substrate at a pitch that corresponds with a pitch of the plurality of contacts. ### Claim 16 (depends on 12) The device of claim 12, wherein: the display control circuit comprises a circuit substrate disposed along the second side of the display substrate; the circuit substrate comprises a flexible film; the display control circuit comprises an integrated circuit (IC) chip; and the IC chip is mounted on the flexible film in a chip-on-film arrangement. ### Claim 17 A method of fabricating a display, the method comprising: patterning a display substrate supported by a carrier substrate such that the display substrate has a patterned edge with a plurality of notches; forming display structures on a first side of the display substrate, the display structures comprising a plurality of signal lines to define an active area of the display, each signal line of the plurality of signal lines being disposed in a respective notch of the plurality of notches; removing the carrier substrate from a second side of the display substrate opposite the first side; and attaching a control circuit along the second side of the display substrate, the control circuit comprising a plurality of contacts, wherein attaching the control circuit comprises establishing, at the patterned edge, an electrical connection between each respective contact of the plurality of contacts and a respective signal line of the plurality of signal lines. ### Claim 18 (depends on 17) The method of claim 17, wherein attaching the control circuit comprises bonding ends of the plurality of signal lines at the patterned edge to the plurality of contacts with a conductive adhesive layer that establishes the electrical connection. ### Claim 19 (depends on 17) The method of claim 17, wherein forming the display structures comprises: depositing a metal layer across the first side of the display substrate and in the plurality of notches; and patterning the deposited metal layer to define the plurality of signal lines. ### Claim 20 (depends on 17) The method of claim 17, wherein the plurality of signal lines are arranged on the first side of the display substrate at a pitch that corresponds with a pitch of the plurality of contacts such that attaching the control circuit comprises aligning the plurality of contacts and the plurality signal lines.