# US 11,309,272 B2 · Adhesive attaching apparatus, method of manufacturing display device using the same, and display device manufactured by the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,272 B2 - Document ID: US11309272B2 - Status: Granted - Kind: B2 - Application number: 16/897,380 - Filed: 2020-06-10 - Published: 2021-04-29 - Granted: 2022-04-19 - Earliest claimed: 2019-10-28 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Jin Sic Min; Min Jung Na; Sang Won Yeo; Jong In Lee; Chang Sub Jung - Web page: https://patentgrep.com/patent/US11309272B2 ## CPC - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - H10W 72/0113: {Apparatus for manufacturing die-attach connectors} - B32B 37/1292: {selectively, e.g. in stripes, in patterns (B32B37/0076 takes precedence)} - H05K 3/323: {by applying an anisotropic conductive adhesive layer over an array of pads} - B32B 37/182: {one or more of the layers being plastic} - B32B 2457/20: Displays, e.g. liquid crystal displays, plasma displays - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - G02F 2202/28: Adhesive materials or arrangements - H05K 1/189: characterised by the use of flexible or folded printed circuits - H05K 2201/10128: Display - H10W 72/013: {of die-attach connectors} - H10W 72/01304: {using temporary auxiliary members, e.g. using sacrificial coatings or handle substrates} - H10W 72/01325: {in solid form} - H10W 72/01351: {Changing the shapes of die-attach connectors} - H10W 72/073: {of die-attach connectors} - H10W 72/07332: {Compression bonding, e.g. thermocompression bonding} - H10W 72/074: {of anisotropic conductive adhesives} - H10W 72/321: {Structures or relative sizes of die-attach connectors} - H10W 72/325: {Die-attach connectors having a filler embedded in a matrix} - H10W 72/331: {Shapes of die-attach connectors} - H10W 72/352: {comprising metals or metalloids, e.g. solders} - H10W 72/354: {comprising polymers} - H10W 90/734: {between a chip and a stacked insulating package substrate, interposer or RDL} - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - 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 A method of manufacturing a display device, includes: providing an adhesive tape including: an adhesive conductive layer on a base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate and provided in plurality including cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other; within the interval, providing a plurality of half-cuts in the adhesive tape, to provide a multi-cut adhesive tape; and pressing the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof. ## Claims ### Claim 1 A method of manufacturing a display device, comprising: providing an adhesive tape including: a base film, an adhesive conductive layer on the base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate of the display device, the cutting width provided in plurality comprising cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other along the base film; within the interval, providing a plurality of half-cuts in the adhesive tape which are adjacent to each other along the base film, to provide a multi-cut adhesive tape; and pressing the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof. ### Claim 2 (depends on 1) The method of manufacturing the display device of claim 1, wherein within the adhesive tape each half-cut penetrates only the adhesive conductive layer. ### Claim 3 (depends on 1) The method of manufacturing the display device of claim 1, wherein the substrate comprises a display panel including a display pixel or a printed circuit board which is electrically connectable to the display panel. ### Claim 4 (depends on 1) The method of manufacturing the display device of claim 1, wherein the pressing of the multi-cut adhesive tape which separates the first portion of the multi-cut adhesive tape from the base film disposes a second portion of the multi-cut adhesive tape which corresponds to the interval remaining on the base film. ### Claim 5 (depends on 4) The method of manufacturing the display device of claim 4, wherein the adhesive tape further includes the interval provided in plurality and comprising two intervals opposing each other along the base film with the cutting width disposed therebetween, the two intervals respectively including a first half-cut and a second half-cut which define the cutting width therebetween, the first portion of the multi-cut adhesive tape which is attached to the substrate at the adhesive tape attaching area thereof, includes side surfaces opposing each other along the base film, and the side surfaces correspond to the first half-cut and the second half-cut, respectively. ### Claim 6 (depends on 1) The method of manufacturing the display device of claim 1, wherein the adhesive tape further includes the interval provided in plurality and comprising two intervals opposing each other along the base film with the cutting width disposed therebetween, the two intervals respectively including a first half-cut and a second half-cut which define the cutting width therebetween, the pressing of the multi-cut adhesive tape comprises a presser pressing the multi-cut adhesive tape to the substrate, the presser including an edge which corresponds to the first half-cut, the first portion of the multi-cut adhesive tape which is attached to the substrate at the adhesive tape attaching area thereof includes a first side surface and a second side surface opposing each other along the base film, and the first side surface corresponds to the edge of the presser. ### Claim 7 (depends on 6) The method of manufacturing the display device of claim 6, wherein the second side surface corresponds to the second half-cut. ### Claim 8 (depends on 1) The method of manufacturing the display device of claim 1, wherein the providing the plurality of half-cuts in the adhesive tape disposes the plurality of half-cuts spaced apart from each other along the base film, by a cutting interval, and the cutting interval is about 10 micrometers to about 100 micrometers. ### Claim 9 (depends on 1) The method of manufacturing the display device of claim 1, wherein the providing the plurality of half-cuts in the adhesive tape disposes a number of the plurality of half-cuts within the interval, and the number of the plurality of half-cuts is about 2 to about 20. ### Claim 10 A display device comprising: a substrate including an adhesive tape attaching area; an anisotropic conductive film electrically connected to the substrate at the adhesive tape attaching area, the anisotropic conductive film being a portion of a multi-cut adhesive tape; and an integrated circuit electrically connected to the substrate by the anisotropic conductive film, wherein the multi-cut adhesive tape includes: a cutting width corresponding to a width of the adhesive tape attaching area, and along the multi-cut adhesive tape, two intervals opposing each other with the cutting width therebetween, wherein each interval among the two intervals includes a plurality of half-cuts each extended in a direction perpendicular to the substrate, to define the multi-cut adhesive tape, and the portion of the multi-cut adhesive tape as the anisotropic conductive film, includes a side surface corresponding to a half-cut among the plurality of half-cuts. ### Claim 11 (depends on 10) The display device of claim 10, further comprising a display panel including a display pixel, wherein the substrate includes the display panel. ### Claim 12 (depends on 10) The display device of claim 10, further comprising a printed circuit board electrically connected to a display panel including a display pixel, wherein the substrate includes the printed circuit board. ### Claim 13 (depends on 10) The display device of claim 10, further comprising a flexible printed circuit board electrically connected to a display panel including a display pixel, wherein the substrate includes the flexible printed circuit board. ### Claim 14 (depends on 10) The display device of claim 10, further comprising a flexible printed circuit board electrically connected to the substrate by the anisotropic conductive film. ### Claim 15 (depends on 10) The display device of claim 10, wherein the multi-cut adhesive tape further includes: a base film, an adhesive conductive layer which is on the base film, the plurality of half-cuts spaced apart from each other along the base film by a cutting interval, and the cutting interval being about 10 micrometers to about 100 micrometers, and the portion of the multi-cut adhesive tape as the anisotropic conductive film, comprises a portion of the adhesive conductive layer which is separated from the base film. ### Claim 16 (depends on 10) The display device of claim 10, wherein the multi-cut adhesive tape further includes: a base film, an adhesive conductive layer which is on the base film, and each half-cut penetrating only the adhesive conductive layer. ### Claim 17 An apparatus for attaching an adhesive conductive layer in a display device, comprising: an adhesive tape supplier which supplies an adhesive tape, the adhesive tape including: a base film, the adhesive conductive layer which is on the base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate of the display device, the cutting width provided in plurality comprising cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other along the base film; a cutter which provides a plurality of half-cuts in the adhesive tape, at the interval, to define a multi-cut adhesive tape; and a presser which presses the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the cutter which provides the plurality of half-cuts within the adhesive tape defines the multi-cut adhesive tape including each half-cut penetrating only the adhesive conductive layer of the adhesive tape. ### Claim 19 (depends on 17) The apparatus of claim 17, wherein the cutter which provides the plurality of half-cuts defines the multi-cut adhesive tape including: the plurality of half-cuts spaced apart from each other along the base film by a cutting interval, and the cutting interval being about 10 micrometers to about 100 micrometers. ### Claim 20 (depends on 17) The apparatus of claim 17, wherein the cutter which provides the plurality of half-cuts defines the multi-cut adhesive tape including: a number of the plurality of half-cuts within the interval, and the number of the plurality of half-cuts being about 2 to about 20.