# US 12,007,817 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,007,817 B2 - Document ID: US12007817B2 - Status: Granted - Kind: B2 - Application number: 18/215,066 - Filed: 2023-06-27 - Published: 2023-10-26 - Granted: 2024-06-11 - Earliest claimed: 2020-03-04 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Yeon-Sun Na; Min-Soo Choi - Web page: https://patentgrep.com/patent/US12007817B2 ## CPC - G06F 1/189: {Power distribution} - H05K 1/0253: {Impedance adaptations of transmission lines by special lay-out of power planes, e.g. providing openings (H05K1/0251 takes precedence)} - G02F 1/13458: {Terminal pads} - G06F 1/20: Cooling means - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - H05K 1/0209: {External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings} - H05K 1/0225: {Single or multiple openings in a shielding, ground or power plane (H05K1/0227 takes precedence)} - H05K 7/20963: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20972 takes precedence)} - G09G 2310/0275: Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current - H05K 1/0393: {Flexible materials (H05K1/038 takes precedence; specific organic compositions are classified in H05K1/0313 and subgroups)} - H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)} - H05K 2201/09681: Mesh conductors, e.g. as a ground plane - H05K 2201/10136: Liquid Crystal display [LCD] - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 - 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) ## Abstract A display device includes a display panel, a data driver which transmits a data voltage to the display panel, a first flexible printed circuit board attached to the display panel and including an input side wiring electrically connected to the data driver, a first printed circuit board (PCB) electrically connected to the input side wiring to transmit a high-speed driving signal to the data driver, and a metal tape overlapping the input side wiring in a plan view and attached on the first flexible printed circuit board, where a part of the metal tape overlapping the input side wiring in the plan view defines an opening. ## Claims ### Claim 1 A display device comprising: a display panel; a data driver which transmits a data voltage to the display panel; a first flexible printed circuit board attached to the display panel and including an input side wiring electrically connected to the data driver; a first printed circuit board (PCB) electrically connected to the input side wiring to transmit a high-speed driving signal to the data driver; and a metal tape overlapping the input side wiring in a plan view and attached on the first flexible printed circuit board, wherein the metal tape comprises a metal layer; a first adhesive layer disposed between the metal layer and the first flexible printed circuit board; a reinforcement layer; and a second adhesive layer disposed between the metal layer and the reinforcement layer. ### Claim 2 (depends on 1) The display device of claim 1, wherein the reinforcement layer is disposed on the metal layer to protect the metal layer. ### Claim 3 (depends on 1) The display device of claim 1, wherein the metal tape further comprises a release layer attached to the first adhesive layer until before the metal tape is attached on the first flexible printed circuit board. ### Claim 4 (depends on 1) The display device of claim 1, wherein the first flexible printed circuit board further comprises an insulating layer covering the input side wiring. ### Claim 5 (depends on 4) The display device of claim 4, wherein the first adhesive layer is disposed between the metal layer and the insulating layer of the first flexible printed circuit board. ### Claim 6 (depends on 1) The display device of claim 1, wherein the first adhesive layer and the second adhesive layer are disposed on an entire surface of the metal layer. ### Claim 7 (depends on 1) The display device of claim 1, wherein the metal layer defines a plurality of openings. ### Claim 8 (depends on 7) The display device of claim 7, wherein at least of the plurality of openings overlaps the input side wiring in the plan view. ### Claim 9 (depends on 1) The display device of claim 1, wherein the metal tape further includes a heat discharge part covering the data driver. ### Claim 10 (depends on 9) The display device of claim 9, wherein the heat discharge part is disposed in an extending direction of the data driver, the wiring overlapping part is disposed in a direction perpendicular to the extending direction of the data driver, and the extending direction and the direction perpendicular to the extending direction define a major surface plane defining the metal tape in the plan view. ### Claim 11 (depends on 9) The display device of claim 9, wherein the metal tape further includes an adhesion part which helps attachment on the first flexible printed circuit board. ### Claim 12 (depends on 11) The display device of claim 11, wherein a width of the heat discharge part and a width of the adhesion part are different from each other. ### Claim 13 (depends on 11) The display device of claim 11, wherein a width of the heat discharge part and a width of the adhesion part are the same. ### Claim 14 (depends on 9) The display device of claim 9, wherein the wiring overlapping part is separated from the input side pad disposed at the end of the input side wiring by a predetermined distance in the plan view. ### Claim 15 (depends on 9) The display device of claim 9, wherein the wiring overlapping part is in contact with the input side pad disposed at the end of the input side wiring in the plan view. ### Claim 16 (depends on 9) The display device of claim 9, wherein the heat discharge part and the wiring overlapping part are separated with a predetermined interval, and the separated heat discharge part and wiring overlapping part are connected to each other by an adhesive contained in the metal tape. ### Claim 17 A display device comprising: a display panel; a data driver which transmits a data voltage to the display panel; a first flexible printed circuit board attached to the display panel and including an input side wiring electrically connected to the data driver and an insulating layer covering the input side wiring; a first printed circuit board (PCB) electrically connected to the input side wiring to transmit a high-speed driving signal to the data driver; a metal tape overlapping the input side wiring in a plan view and attached on the first flexible printed circuit board; and, an adhesive layer disposed between the metal tape and the insulating layer of the first flexible printed circuit board, and wherein the adhesive layer is disposed to have the same width as the metal tape. ### Claim 18 (depends on 17) The display device of claim 17, wherein the metal tape extends from the data driver toward an input side pad disposed at an end of the input side wiring, and the metal tape is disposed between the data driver and the input side pad disposed at the end of the input side wiring. ### Claim 19 (depends on 18) The display device of claim 18, wherein the adhesive layer is disposed on an entire surface of the metal tape. ### Claim 20 (depends on 17) The display device of claim 17, wherein the metal tape has a plate structure.