# US 11,443,659 B2 · Display apparatus and method of manufacturing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,443,659 B2 - Document ID: US11443659B2 - Status: Granted - Kind: B2 - Application number: 17/115,961 - Filed: 2020-12-09 - Published: 2021-06-17 - Granted: 2022-09-13 - Earliest claimed: 2019-12-12 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Myoung-Ha Jeon - Web page: https://patentgrep.com/patent/US11443659B2 ## CPC - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H05K 2201/10128: Display - H10K 2102/311: {Flexible OLED} - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus includes a flexible panel including a first non-bending area, a second non-bending area spaced apart from the first non-bending area, and a bending area between the first non-bending area and the second non-bending area, a circuit film having an opening at a first end of thereof and disposed on the second non-bending area of the flexible panel, an anisotropic conductive film disposed between the flexible panel and the circuit film, and a protective layer disposed on the bending area and covering at least a portion of the first end of the circuit film. ## Claims ### Claim 1 A display apparatus, comprising: a flexible panel including a first non-bending area, a second non-bending area spaced apart from the first non-bending area, and a bending area between the first non-bending area and the second non-bending area; a circuit film having an opening at a first end of thereof and disposed on the second non-bending area of the flexible panel, the opening including a plurality of via holes; an anisotropic conductive film disposed between the flexible panel and the circuit film; and a protective layer disposed on the bending area and covering at least a portion of the first end of the circuit film. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the first end of the circuit film does not overlap the anisotropic conductive film. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein the protective layer covers a portion of the opening. ### Claim 4 (depends on 1) The display apparatus of claim 1, wherein the plurality of via holes are formed at about 2 to about 10 mm intervals. ### Claim 5 (depends on 1) The display apparatus of claim 1, wherein the diameter of the plurality of via holes is about 25 um or less. ### Claim 6 (depends on 1) The display apparatus of claim 1, wherein the plurality of via holes are arranged in a row from a portion where the protective layer covers the circuit film to a portion where the circuit film overlaps the protective layer (n is a natural number of 1 or more). ### Claim 7 (depends on 1) The display apparatus of claim 1, wherein the opening comprises a plurality of slits. ### Claim 8 (depends on 7) The display apparatus of claim 7, wherein the plurality of slits are formed at about 2 to about 10 mm intervals. ### Claim 9 (depends on 7) The display apparatus of claim 7, wherein the plurality of slits include a plurality of first slits, each having a first width and a first length, and a plurality of second slits, each having the first width and a second length different from the first length. ### Claim 10 (depends on 1) The display apparatus of claim 1, further comprising: a circuit board disposed on a second end opposite to the first end of the circuit film. ### Claim 11 (depends on 1) The display apparatus of claim 1, further comprising: a first substrate disposed on the flexible panel to overlap the first non-bending area of the flexible panel; and a second substrate disposed on the flexible panel to overlap the second non-bending area of the flexible panel and spaced apart from the first substrate. ### Claim 12 (depends on 11) The display apparatus of claim 11, further comprising: a carrier film disposed on the first substrate, the second substrate and a space between the first substrate and the second substrate. ### Claim 13 (depends on 1) The display apparatus of claim 1, further comprising: an optical film disposed on the first non-bending area of the flexible panel. ### Claim 14 (depends on 13) The display apparatus of claim 13, wherein the optical film comprises a polarizing film. ### Claim 15 (depends on 1) The display apparatus of claim 1, wherein the protective layer includes resin. ### Claim 16 A method for manufacturing a display apparatus, comprising the steps of: preparing a flexible panel including a first non-bending area, a second non-bending area spaced apart from the first non-bending area, and a bending area between the first non-bending area and the second non-bending area; attaching a first substrate overlapping the first non-bending area of the flexible panel on the flexible panel; attaching a second substrate overlapping the second non-bending area of the flexible panel and being spaced apart from the first substrate on the flexible panel; attaching a carrier film on the first substrate, the second substrate and a space between the first substrate and the second substrate; attaching an optical film on the first non-bending area opposite to the first substrate of the flexible panel; disposing an anisotropic conductive film on the second non-bending area opposite to the second substrate of the flexible panel; forming an opening at a first end of a circuit film; disposing the circuit film on the anisotropic conductive film; and forming a protective layer disposed on the bending area and covering a portion of the first end of the circuit film. ### Claim 17 (depends on 16) The method of claim 16, wherein the opening comprises a plurality of via holes formed using a laser drill. ### Claim 18 (depends on 16) The method of claim 16, wherein the opening comprises a plurality of slits formed using a laser cut. ### Claim 19 (depends on 16) The method of claim 16, wherein the protective layer covers a portion of the opening.