# US 11,307,471 B2 · Array substrate, manufacturing method thereof, and display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,471 B2 - Document ID: US11307471B2 - Status: Granted - Kind: B2 - Application number: 17/204,907 - Filed: 2021-03-17 - Published: 2021-12-16 - Granted: 2022-04-19 - Earliest claimed: 2020-06-16 - Assignees: Beijing Boe Display Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Beijing BOE Display Technology Co., Ltd.; BOE Technology Group Co., Ltd. - Inventors: Mingxuan Liu; Xiangmeng Zhang; Honggang Liang; Zumou Wu; Honghui Wang; Hongming Qu; Xiangqian Ding; Yongzhi Song - Web page: https://patentgrep.com/patent/US11307471B2 ## CPC - G02F 1/1345: Conductors connecting electrodes to cell terminals - G02F 1/136295: {Materials; Compositions; Manufacture processes} - G02F 1/133514: {Colour filters} - H10D 86/021: {of multiple TFTs} - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10D 86/60: wherein the TFTs are in active matrices - 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 - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract An array substrate, a display, and a manufacturing method are provided. The array substrate is provided with a first notch on at least one of two sides in a width direction of the second fan-out line, wherein a portion of the insulating layer fills into the first notch in a direction towards the second fan-out line to form a recess part corresponding to the first notch, the recess part defining a groove. A protruding part is provided on at least one of two sides in a width direction of the first fan-out line, where a part of the protruding part fills into the groove in a direction towards the insulation layer to form a protrusion corresponding to the groove. ## Claims ### Claim 1 An array substrate, comprising a substrate body, wherein the substrate body comprises a display area and a fan-out area, signal lines are provided in the display area, at least two fan-out layers spaced apart in a thickness direction of the substrate body are provided in the fan-out area, and an insulating layer is positioned between two adjacent fan-out layers, a first fan-out line connected to the signal lines is provided in a fan-out layer away from the substrate body, and a second fan-out line connected to the signal lines is provided in a fan-out layer close to the substrate body, a first notch is provided on at least one of two sides in a width direction of the second fan-out line, wherein a portion of the insulation layer fills into the first notch in a direction towards the second fan-out line to form a recess part corresponding to the first notch, the recess part defining a groove, and a protruding part is provided on at least one of two sides in a width direction of the first fan-out line, wherein a portion of the protruding part fills into the groove in a direction towards the insulation layer to form a protrusion corresponding to the groove. ### Claim 2 (depends on 1) The array substrate according to claim 1, wherein a width of the first fan-out line remains constant in a length direction of the first fan-out line. ### Claim 3 (depends on 2) The array substrate according to claim 2, wherein a second notch is provided on at least one of the two sides in the width direction of the first fan-out line, the second notch and the protruding part are opposite to each other in the width direction of the first fan-out line, and orthographic projections of the protruding part and the second notch in a plane parallel to the substrate body are the same in shape and area. ### Claim 4 (depends on 1) The array substrate according to claim 1, wherein in a plane parallel to the substrate body, an orthographic projection of the first fan-out line overlaps at least partially with an orthographic projection of the second fan-out line. ### Claim 5 (depends on 1) The array substrate according to claim 1, wherein a width of the second fan-out line remains constant in a length direction of the second fan-out line. ### Claim 6 (depends on 5) The array substrate according to claim 5, wherein an extension part is provided on at least one of the two sides in the width direction of the second fan-out line, the first notch and the extension part are opposite to each other in the width direction of the second fan-out line, and orthographic projections of the extension part and the first notch in a plane parallel to the substrate body are the same in shape and area. ### Claim 7 (depends on 6) The array substrate according to claim 6, wherein a second notch is provided on at least one of the two sides in the width direction of the first fan-out line, the second notch and the protruding part are opposite to each other in the width direction of the first fan-out line, orthographic projections of the protruding part and the second notch in the plane parallel to the substrate body are the same in shape and area, and the extension part faces the second notch in the thickness direction of the array substrate. ### Claim 8 (depends on 1) The array substrate according to claim 1, wherein the first notch, the recess part, the groove, and the protrusion are provided in plural and divided into a plurality of mating groups, each mating group comprising a respective first notch, a respective recess part, a respective groove, and a respective protrusion, and in each mating group, the recess part filling into the first notch and the protrusion filling into the groove. ### Claim 9 (depends on 8) The array substrate according to claim 8, wherein the first notch is a rectangular opening having a length a in a value range of 2-6 microns and/or a width b in a value range of 0.5-2 microns, and a shortest distance c between two adjacent first notches in a length direction of the second fan-out line is in a value range of 0.5a-2a. ### Claim 10 (depends on 1) The array substrate according to claim 1, wherein the fan-out lines have a width of 2.5-4 microns. ### Claim 11 A display, comprising: an array substrate; a color filter substrate disposed oppositely to the array substrate; and a liquid crystal layer located between the array substrate and the color filter substrate, wherein the array substrate comprises a substrate body, the substrate body comprising a display area and a fan-out area, wherein signal lines are provided in the display area, at least two fan-out layers spaced apart in a thickness direction of the substrate body are provided in the fan-out area, and an insulating layer is positioned between two adjacent fan-out layers, a first fan-out line connected to the signal lines is provided in a fan-out layer away from the substrate body, and a second fan-out line connected to the signal lines is provided in a fan-out layer close to the substrate body, a first notch is provided on at least one of two sides in a width direction of the second fan-out line, wherein a portion of the insulation layer fills into the first notch in a direction towards the second fan-out line to form a recess part corresponding to the first notch, the recess part defining a groove, and a protruding part is provided on at least one of two sides in a width direction of the first fan-out line, wherein a portion of the protruding part fills into the groove in a direction towards the insulation layer to form a protrusion corresponding to the groove. ### Claim 12 (depends on 11) The display according to claim 11, wherein a width of the first fan-out line remains constant along a length direction of the first fan-out line. ### Claim 13 (depends on 12) The display according to claim 12, wherein a second notch is provided on at least one of the two sides in the width direction of the first fan-out line, the second notch and the protruding part are opposite to each other in the width direction of the first fan-out line, and orthographic projections of the protruding part and the second notch in a plane parallel to the substrate body are the same in shape and area. ### Claim 14 (depends on 11) The display according to claim 11, wherein in a plane parallel to the substrate body, an orthographic projection of the first fan-out line overlaps at least partially with an orthographic projection of the second fan-out line. ### Claim 15 (depends on 11) The display according to claim 11, wherein a width of the second fan-out line remains constant in a length direction of the second fan-out line. ### Claim 16 (depends on 15) The display according to claim 15, wherein an extension part is provided on at least one of the two sides in the width direction of the second fan-out line, the first notch and the extension part are opposite to each other in the width direction of the second fan-out line, and orthographic projections of the extension part and the first notch in a plane parallel to the substrate body are the same in shape and area. ### Claim 17 (depends on 16) The display according to claim 16, wherein a second notch is provided on at least one of the two sides in the width direction of the first fan-out line, the second notch and the protruding part are opposite to each other in the width direction of the first fan-out line, orthographic projections of the protruding part and the second notch in the plane parallel to the substrate body are the same in shape and area, and the extension part faces the second notch in the thickness direction of the array substrate. ### Claim 18 (depends on 11) The display according to claim 11, wherein the first notch, the recess part, the groove, and the protrusion are provided in plural and divided into a plurality of mating groups, each mating group comprising a respective first notch, a respective recess part, a respective groove, and a respective protrusion, and in each mating group, the recess part filling into the first notch and the protrusion filling into the groove. ### Claim 19 (depends on 18) The display according to claim 18, wherein the first notch is a rectangular opening having a length a in a value range of 2-6 microns and/or a width b in a value range of 0.5-2 microns, and a shortest distance c between two adjacent first notches in a length direction of the second fan-out line is in a value range of 0.5a-2a. ### Claim 20 A method for manufacturing an array substrate, wherein the array substrate comprises a substrate body, the substrate body comprising a display area and a fan-out area, wherein signal lines are provided in the display area, at least two fan-out layers spaced apart in a thickness direction of the substrate body are provided in the fan-out area, and an insulating layer is positioned between two adjacent fan-out layers, a first fan-out line connected to the signal lines is provided in a fan-out layer away from the substrate body, and a second fan-out line connected to the signal lines is provided in a fan-out layer close to the substrate body, a first notch is provided on at least one of two sides in a width direction of the second fan-out line, wherein a portion of the insulation layer fills into the first notch in a direction towards the second fan-out line to form a recess part corresponding to the first notch, the recess part defining a groove, and a protruding part is provided on at least one of two sides in a width direction of the first fan-out line, wherein a portion of the protruding part fills into the groove in a direction towards the insulation layer to form a protrusion corresponding to the groove, the signal lines comprise a scan line and a data line, and the method comprises steps of: forming the scan line and the second fan-out line simultaneously on a base substrate; forming the insulating layer on a side of the second fan-out line away from the base substrate; and forming the data line and the first fan-out line simultaneously on a side of the insulating layer away from the base substrate.