# US 10,770,485 B2 · Array substrate, display panels and display devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,770,485 B2 - Document ID: US10770485B2 - Status: Granted - Kind: B2 - Application number: 16/566,361 - Filed: 2019-09-10 - Published: 2020-06-04 - Granted: 2020-09-08 - Earliest claimed: 2018-11-29 - Assignees: Shanghai Tianma Micro-Electronics Co., Ltd. - Applicants: Shanghai Tianma Micro-Electronics Co., Ltd. - Inventors: Yingteng Zhai - Web page: https://patentgrep.com/patent/US10770485B2 ## CPC - H10D 86/60: wherein the TFTs are in active matrices - H10D 89/911: {using passive elements as protective elements} - G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)} - G02F 1/136204: {Arrangements to prevent high voltage or static electricity failures} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - H10D 86/021: {of multiple TFTs} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10D 89/921: {characterised by the configuration of the interconnections connecting the protective arrangements, e.g. ESD buses} - H10D 89/931: {characterised by the dispositions of the protective arrangements} - G02F 1/133388: {with constructional differences between the display region and the peripheral region} - G02F 1/136295: {Materials; Compositions; Manufacture processes} - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - 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 ## Abstract Provided are an array substrate, display panels and display devices. The array substrate includes: a base substrate; an insulating layer located on one side of the substrate and including at least one plateau-shaped protrusion, where the plateau-shaped protrusion includes a first surface and a second surface, wherein the first surface and the second surface are arranged opposite to each other along a direction perpendicular to the base substrate, the first surface is located at a side of the second surface opposite to the base substrate, and an area of the first surface is less than an area of the second surface in a direction perpendicular to the base substrate; and an electrostatic conductive layer located on a side of the insulating layer away from the substrate, where the electrostatic conductive layer includes a first wire and at least one first discharge tip electrically connected to the first wire, the first discharge tip is located on a side slope of the plateau-shaped protrusion and is located in a non-display area. The electrostatic conductive layer further includes an auxiliary discharge structure disposed opposite to the first discharge tip. ## Claims ### Claim 1 An array substrate, comprising: a base substrate, which comprises a display area and a non-display area surrounding the display area; an insulating layer located on a side of the base substrate, wherein the insulating layer comprises at least one plateau-shaped protrusion, wherein the plateau-shaped protrusion includes a first surface and a second surface, wherein the first surface and the second surface are arranged opposite to each other along a direction perpendicular to the base substrate, the first surface is located at a side of the second surface opposite to the base substrate, and an area of the first surface is less than an area of the second surface in a direction perpendicular to the base substrate; and an electrostatic conductive layer located on a side of the insulating layer away from the base substrate, wherein the electrostatic conductive layer comprises a first wire and at least one first discharge tip, the first wire is electrically connected to the first discharge tip, the first discharge tip is located on a side slope of the plateau-shaped protrusion and is located in the non-display area; wherein the electrostatic conductive layer further comprises an auxiliary discharge structure, the auxiliary discharge structure and the first discharge tip are disposed opposite to each other. ### Claim 2 (depends on 1) The array substrate of claim 1, wherein the electrostatic conductive layer further comprises a second wire located in the non-display area; the second wire and the first wire are disposed in parallel, the first discharge tip and the second wire are disposed opposite to each other; and the second wire forms the auxiliary discharge structure. ### Claim 3 (depends on 1) The array substrate of claim 1, wherein the plateau-shaped protrusion comprises a first side slope and a second side slope disposed opposite to each other, the electrostatic conductive layer further comprises a third wire and a third discharge tip, the third discharge tip is electrically connected to the third wire; the first discharge tip is disposed on the first side slope, the third discharge tip is disposed on the second side slope, the third wire and the first wire are disposed in parallel, the third discharge tip and the first discharge tip are disposed opposite to each other; and the third wire and the third discharge tip form the auxiliary discharge structure. ### Claim 4 (depends on 3) The array substrate of claim 3, wherein a distance between the first discharge tip and the third discharge tip is greater than 0 and less than a first preset distance threshold, wherein the first preset distance threshold is a limit for release of electrostatic charges between the first discharge tip and the third discharge tip in a case where a voltage between the first discharge tip and the third discharge tip reaches a discharge voltage. ### Claim 5 (depends on 1) The array substrate of claim 1, wherein the insulating layer comprises a first insulating layer; the array substrate further comprises a thin film transistor; the first insulating layer is at least one of a buffer layer, a gate insulating layer, an interlayer insulating layer, an interlayer medium layer, a passivation layer or a planarization layer in the array substrate; a first groove and a second groove disposed opposite to each other are formed on a surface of the first insulating layer away from the base substrate, a protrusion structure located between the first groove and the second groove is used for constituting the plateau-shaped protrusion. ### Claim 6 (depends on 5) The array substrate of claim 5, wherein the first groove and the second groove each is a bar-shaped groove. ### Claim 7 (depends on 1) The array substrate of claim 1, wherein the plateau-shaped protrusion is a cylindrical plateau-shaped protrusion; a side slope of one cylindrical plateau-shaped protrusion is provided with a plurality of first discharge tips disposed opposite to each other. ### Claim 8 (depends on 7) The array substrate of claim 7, wherein the plurality of first discharge tips constitute a plurality of groups of discharge tip pairs, each discharge tip pair comprise two first discharge tips disposed opposite to each other. ### Claim 9 (depends on 8) The array substrate of claim 8, wherein a distance between the first discharge tips in each group of discharge tip pairs is greater than 0 and less than a second preset distance threshold, wherein the second preset distance threshold is a limit for release of electrostatic charges between the first discharge tips in a case where a voltage between the first discharge tips reaches a discharge voltage. ### Claim 10 (depends on 1) The array substrate of claim 1, wherein the insulating layer comprises a second insulating layer and a third insulating layer; the array substrate further comprises a thin film transistor; the second insulating layer and the third insulating layer each is at least one of a buffer layer, a gate insulating layer, an interlayer insulating layer, an interlayer medium layer, a passivation layer or a planarization layer in the array substrate; and the third insulating layer is located on a side of the second insulating layer away from the array substrate, the third insulating layer comprises the plateau-shaped protrusion. ### Claim 11 (depends on 1) The array substrate of claim 1, wherein the electrostatic conductive layer comprises one of metal or transparent conducting oxide. ### Claim 12 (depends on 1) The array substrate of claim 1, further comprising a thin film transistor, a first electrode layer and a second electrode layer; the electrostatic conductive layer is disposed on a same layer with one of a gate metal layer of the thin film transistor, a source drain metal layer of the thin film transistor, the first electrode layer or the second electrode layer; wherein the display area comprises liquid crystal layer, a pixel electrode layer and a common electrode layer, the first electrode layer is the pixel electrode layer, and the second electrode layer is the common electrode layer. ### Claim 13 (depends on 1) The array substrate of claim 1, further comprising a thin film transistor, a first electrode layer and a second electrode layer; the electrostatic conductive layer is disposed on a same layer with one of a gate metal layer of the thin film transistor, a source drain metal layer of the thin film transistor, the first electrode layer or the second electrode layer; wherein the display area comprises a light-emitting component, the first electrode layer is a cathode layer of the light-emitting component and the second electrode layer is an anode layer of the light-emitting component. ### Claim 14 (depends on 1) The array substrate of claim 1, wherein an inclined angle A between the side slope of the plateau-shaped protrusion and a plane in which the base substrate is located has a value range of: 20°≤A≤60°. ### Claim 15 (depends on 1) The array substrate of claim 1, wherein the non-display area comprises a drive circuit area, the electrostatic conductive layer is disposed in the non-display area and outside the drive circuit area. ### Claim 16 A display panel, comprising an array substrate, wherein the array substrate comprises: a base substrate, which comprises a display area and a non-display area surrounding the display area; an insulating layer located on a side of the base substrate, wherein the insulating layer comprises at least one plateau-shaped protrusion, wherein the plateau-shaped protrusion includes a first surface and a second surface, wherein the first surface and the second surface are arranged opposite to each other along a direction perpendicular to the base substrate, the first surface is located at a side of the second surface opposite to the base substrate, and an area of the first surface is less than an area of the second surface in a direction perpendicular to the base substrate; and an electrostatic conductive layer located on a side of the insulating layer away from the base substrate, wherein the electrostatic conductive layer comprises a first wire and at least one first discharge tip, the first wire is electrically connected to the first discharge tip, the first discharge tip is located on a side slope of the plateau-shaped protrusion and is located in the non-display area; wherein the electrostatic conductive layer further comprises an auxiliary discharge structure, the auxiliary discharge structure and the first discharge tip are disposed opposite to each other. ### Claim 17 A display device, comprising a display panel, wherein the display panel comprises an array substrate, and the array substrate comprises: a base substrate, which comprises a display area and a non-display area surrounding the display area; an insulating layer located on a side of the base substrate, wherein the insulating layer comprises at least one plateau-shaped protrusion, wherein the plateau-shaped protrusion includes a first surface and a second surface, wherein the first surface and the second surface are arranged opposite to each other along a direction perpendicular to the base substrate, the first surface is located at a side of the second surface opposite to the base substrate, and an area of the first surface is less than an area of the second surface in a direction perpendicular to the base substrate; and an electrostatic conductive layer located on a side of the insulating layer away from the base substrate, wherein the electrostatic conductive layer comprises a first wire and at least one first discharge tip, the first wire is electrically connected to the first discharge tip, the first discharge tip is located on a side slope of the plateau-shaped protrusion and is located in the non-display area; wherein the electrostatic conductive layer further comprises an auxiliary discharge structure, the auxiliary discharge structure and the first discharge tip are disposed opposite to each other.