# US 10,371,995 B2 · Coupling conductive terminal structure and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,995 B2 - Document ID: US10371995B2 - Status: Granted - Kind: B2 - Application number: 15/743,377 - Filed: 2017-11-03 - Published: 2019-04-25 - Granted: 2019-08-06 - Earliest claimed: 2017-10-19 - Assignees: Wuhan China Star Optoelectonics Semiconductor Display Technology Co., Ltd. - Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Cheng Li - Web page: https://patentgrep.com/patent/US10371995B2 ## CPC - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - H01R 4/04: using electrically conductive adhesives - H01R 12/52: connecting to other rigid printed circuits or like structures - H01R 12/7076: {for connection between PCB and component, e.g. display} - H01R 12/771: {Details} - H01R 13/02: Contact members - H01R 13/03: characterised by the material, e.g. plating, or coating materials - H05K 3/323: {by applying an anisotropic conductive adhesive layer over an array of pads} - H05K 3/36: Assembling printed circuits with other printed circuits {(H05K7/142 takes precedence)} - H05K 3/4007: {Surface contacts, e.g. bumps (H05K3/4092 takes precedence; deposition of finish layers on pads H05K3/24; forming solder bumps H05K3/3465)} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H05K 2201/10128: Display - 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 - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A coupling conductive terminal structure is provided. The coupling conductive terminal structure is disposed between a display device and an IC or an FPC, and includes a first linking part and a second linking part matched with the first linking part. The first linking part is disposed on the display device, the second linking part is disposed on the IC or the FPC, the first linking part and the second linking part are locked with each other, and the display device electrically connects to the IC or the FPC. The disclosure further provides a display device. By practice of the disclosure, the bonding shift could be overcome to solve the problem of short circuit or poor contact, so the product yield could be improved. ## Claims ### Claim 1 A coupling conductive terminal structure, disposed between a display device and an IC or an FPC, comprising: a first linking part, disposed on the display device and having a plurality of recess structure terminals; and a second linking part, disposed on the IC or the FPC and having a plurality of protrusion structure terminals matched with the recess structure terminals of the first linking part; wherein the first linking part and the second linking part are locked with each other, and the display device electrically connects to the IC or the FPC; wherein a terminal surface of the first linking part is coated with a conductive titanium, a terminal surface of the second linking part is coated with a conductive gold, and a hardness of the conductive titanium is harder than a hardness of the conductive gold. ### Claim 2 (depends on 1) The coupling conductive terminal structure according to claim 1, wherein all the recess structure terminals of the first linking part are the same, and all the protrusion structure terminals of the second linking part matched with the recess structure terminals of the first linking part are the same; or all the recess structure terminals of the first linking part are different, and all the protrusion structure terminals of the second linking part matched with the recess structure terminals of the first linking part are different. ### Claim 3 (depends on 2) The coupling conductive terminal structure according to claim 2, wherein a hot-pressed adhesive fills between the recess structure terminals of the first linking part and between the protrusion structure terminals of the second linking part. ### Claim 4 (depends on 3) The coupling conductive terminal structure according to claim 3 wherein the hot-pressed adhesive includes polyimide or polymethylmethacrylate. ### Claim 5 A coupling conductive terminal structure, disposed between a display device and an IC or an FPC, comprising: a first linking part, disposed on the display device; and a second linking part, disposed on the IC or the FPC and matched with the first linking part; wherein the first linking part and the second linking part are locked with each other, and the display device electrically connects to the IC or the FPC; wherein the first linking part includes a plurality of protrusion structure terminals, and the second linking part includes a plurality of recess structure terminals matched with the protrusion structure terminals of the first linking part; and wherein a terminal surface of the first linking part is coated with a conductive titanium, a terminal surface of the second linking part is coated with a conductive gold, and a hardness of the conductive titanium is harder than a hardness of the conductive gold. ### Claim 6 (depends on 5) The coupling conductive terminal structure according to claim 5, wherein all the protrusion structure terminals of the first linking part are the same, and all the recess structure terminals of the second linking part matched with the protrusion structure terminals of the first linking part are the same; or all the protrusion structure terminals of the first linking part are different, and all the recess structure terminals of the second linking part matched with the protrusion structure terminals of the first linking part are different. ### Claim 7 (depends on 6) The coupling conductive terminal structure according to claim 6, wherein a hot-pressed adhesive fills between the protrusion structure terminals of the first linking part and between the recess structure terminals of the second linking part. ### Claim 8 (depends on 7) The coupling conductive terminal structure according to claim 7 wherein the hot-pressed adhesive includes polyimide or polymethylmethacrylate. ### Claim 9 A coupling conductive terminal structure, disposed between a display device and an IC or an FPC, comprising: a first linking part, disposed on the display device; and a second linking part, disposed on the IC or the FPC and matched with the first linking part; wherein the first linking part and the second linking part are locked with each other, and the display device electrically connects to the IC or the FPC; wherein the first linking part includes a plurality of protrusion structure terminals, and a plurality of recess structure terminals, and the second linking part includes a plurality of protrusion structure terminals matched with the recess structure terminals of the first linking part and a plurality of recess structure terminals matched with the protrusion structure terminals of the first linking part; and wherein a terminal surface of the first linking part is coated with a conductive titanium, a terminal surface of the second linking part is coated with a conductive gold, and a hardness of the conductive titanium is harder than a hardness of the conductive gold. ### Claim 10 (depends on 9) The coupling conductive terminal structure according to claim 9, wherein all the recess structure terminals of the first linking part are the same, and all the protrusion structure terminals of the second linking part matched with the recess structure terminals of the first linking part are the same; or all the protrusion structure terminals of the first linking part are the same, and all the recess structure terminals of the second linking part matched with the protrusion structure terminals of the first linking part are the same; or all the recess structure terminals of the first linking part are different, and all the protrusion structure terminals of the second linking part matched with the recess structure terminals of the first linking part are different; or all the protrusion structure terminals of the first linking part are different, and all the recess structure terminals of the second linking part matched with the protrusion structure terminals of the first linking part are different. ### Claim 11 (depends on 10) The coupling conductive terminal structure according to claim 10, wherein a hot-pressed adhesive fills between the recess structure terminals and the protrusion structure terminals of the first linking part and between the recess structure terminals and the protrusion structure terminals of the second linking part. ### Claim 12 (depends on 11) The coupling conductive terminal structure according to claim 11 wherein the hot-pressed adhesive includes polyimide or polymethylmethacrylate.