# US 10,504,392 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 10,504,392 B2 - Document ID: US10504392B2 - Status: Granted - Kind: B2 - Application number: 15/682,613 - Filed: 2017-08-22 - Published: 2018-03-08 - Granted: 2019-12-10 - Earliest claimed: 2016-09-06 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Jang-Hyun Kim; Minsu Kim; Jin-Lak Kim; Dongsoup Noh; Sehee Han - Web page: https://patentgrep.com/patent/US10504392B2 ## CPC - H10K 50/844: Encapsulations - G09G 3/002: {to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT} - H10D 86/201: {the substrates comprising an insulating layer on a semiconductor body, e.g. SOI (H10D86/40 take precedence)} - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 77/111: {Flexible substrates} - H10K 2102/00: Constructional details relating to the organic devices covered by this subclass - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - 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) - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A display apparatus includes a lower substrate, an upper substrate facing the lower substrate, an optical medium layer between the lower and upper substrates, a display area at which an image is displayed, and a peripheral area adjacent to the display area and at which the image is not displayed. The lower substrate includes a flexible film on a lower base substrate and including a flat portion in the display and peripheral area, and the flat portion extending from the peripheral area and along a side surface of the lower base substrate to define a bent portion in the peripheral area, a thin film transistor on the flexible film in the display area, a connecting line on the flexible film in the peripheral area and electrically connected to the thin film transistor, and a wire grid polarizer between the flexible film and the optical medium layer in the display area. ## Claims ### Claim 1 A display apparatus, comprising: a lower base substrate comprising: a display area at which an image is displayed; and a peripheral area adjacent to the display area and at which the image is not displayed; a thin film transistor and a wire grid polarizer each disposed on the lower base substrate in the display area thereof; a connecting line disposed on the lower base substrate in the peripheral area thereof, the connecting line electrically connected to the thin film transistor in the display area; and a flexible film disposed on the lower base substrate, the flexible film comprising a flat portion thereof in the display area and in the peripheral area, wherein in the peripheral area, the flat portion of the flexible film is disposed between the lower base substrate and the connecting line, and the flat portion which is disposed between the lower base substrate extends further than an end surface of the lower base substrate, to define a bent portion of the flexible film in the peripheral area. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the flexible film comprises at least one among polyimide, polyethylene terephthalate, polycarbonate, polyethylene naphthalate and polyacrylate. ### Claim 3 (depends on 2) The display apparatus of claim 2, wherein the flexible film has a thickness greater than or equal to about 1 micrometer. ### Claim 4 (depends on 3) The display apparatus of claim 3, further comprising a first insulation layer disposed between the flexible film and the thin film transistor, the first insulation layer comprising an inorganic insulation material. ### Claim 5 (depends on 1) The display apparatus of claim 1, further comprising: a gate pattern disposed on the flat portion of the flexible film in the display area; and a data pattern disposed on the gate pattern in the display area; wherein the connecting line in the peripheral area is formed from a same material layer as the gate pattern or the data pattern in the display area. ### Claim 6 (depends on 5) The display apparatus of claim 5, further comprising in the peripheral area, a protecting layer disposed on the lower base substrate, wherein in the peripheral area, the connecting line is disposed between the lower base substrate and the protecting layer. ### Claim 7 (depends on 6) The display apparatus of claim 6, further comprising: a second insulation layer disposed between the gate pattern and the data pattern in the display area; and a third insulation layer disposed on the data pattern in the display area, wherein the protecting layer in the peripheral area is formed from a same material layer as the second insulation layer or the third insulation layer in the display area. ### Claim 8 (depends on 1) The display apparatus of claim 1, wherein the wire grid polarizer has a pitch of about 50 nanometers to about 150 nanometers. ### Claim 9 (depends on 8) The display apparatus of claim 8, further comprising a capping layer on the wire grid polarizer in the display area. ### Claim 10 (depends on 1) The display apparatus of claim 1, further comprising a driving part which generates and provides signals for driving the display area, the driving part disposed at a distal end of the bent portion of the flexible film in the peripheral area and electrically connected to the connecting line in the peripheral area. ### Claim 11 A method of manufacturing a display apparatus, the method comprising: providing a lower base substrate comprising a display area at which an image is displayed and a peripheral area which is adjacent to the display area and at which the image is not displayed; providing a thin film transistor and a wire grid polarizer each on the lower base substrate in the display area thereof; providing a connecting line on the lower base substrate in the peripheral area thereof and electrically connected to the thin film transistor in the display area; providing a flexible film on the lower base substrate, the flexible film comprising a flat portion in the display area and in the peripheral area; in the peripheral area, separating a portion of the lower base substrate from a remainder of the lower base substrate to expose an end surface of the remainder of the lower base substrate, wherein in the peripheral area, each of the connecting line and the flat portion of the flexible film extends further than the end surface of the remainder of the lower base substrate; and in the peripheral area, bending each of the connecting line and the flat portion which extend further than the exposed end surface of the remainder of the lower base substrate, along the exposed end surface of the remainder of the lower base substrate to form the display apparatus. ### Claim 12 (depends on 11) The method of claim 11, wherein the separating of the portion of the lower base substrate comprises irradiating a laser beam to the flat portion of the flexible film in the peripheral area and removing the portion of the lower base substrate from the remainder of the lower base substrate. ### Claim 13 (depends on 11) The method of claim 11, wherein the providing of the flexible film comprises coating at least one among polyimide, polyethylene terephthalate, polycarbonate, polyethylene naphthalate and polyacrylate on the lower base substrate. ### Claim 14 (depends on 11) The method of claim 11, wherein the flexible film has a thickness of greater than or equal to about 1 micrometer. ### Claim 15 (depends on 11) The method of claim 11, further comprising providing a first insulation layer on the flexible film in the display area before the providing of the wire grid polarizer, the first insulation layer comprising an inorganic insulation layer. ### Claim 16 (depends on 11) The method of claim 11, further comprising: providing a gate pattern on the flexible film in the display area; and providing a data pattern on the gate pattern in the display area, wherein the connecting line in the peripheral area is formed from a same material layer as the gate pattern or the data pattern in the display area. ### Claim 17 (depends on 16) The method of claim 16, further comprising providing a protecting layer on the connecting line in the peripheral area. ### Claim 18 (depends on 17) The method of claim 17, further comprising: providing a second insulation layer on the gate pattern in the display area; and providing a third insulation layer on the data pattern in the display area, wherein the protecting layer in the peripheral area is formed from a same material layer as the second insulation layer or the third insulation layer in the display area. ### Claim 19 (depends on 11) The method of claim 11, wherein the wire grid polarizer has a pitch of about 50 nanometers to about 150 nanometers. ### Claim 20 (depends on 19) The method of claim 19, further comprising providing a capping layer on the wire grid polarizer in the display area.