# US 2020/0403181 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0403181 A1 - Document ID: US20200403181A1 - Status: Published application - Kind: A1 - Application number: 16/907,233 - Filed: 2020-06-20 - Published: 2020-12-24 - Earliest claimed: 2019-06-21 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Jae-Ho JUNG - Web page: https://patentgrep.com/patent/US20200403181A1 ## CPC - H10K 59/87: {Passivation; Containers; Encapsulations} - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/40: OLEDs integrated with touch screens - H10F 39/198: {Contact-type image sensors [CIS]} - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 59/873: {Encapsulations} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K 59/8793: {Arrangements for polarized light emission (H10K59/8791 takes precedence)} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION ## Abstract A display device comprises a display panel; a polarizing film disposed on the display panel; a touch film disposed on the polarizing film; a light control film disposed on the touch film; a barrier film disposed over the polarizing film; and a cover window disposed on the barrier film. ## Claims ### Claim 1 A display device comprising: a cover window; a display panel arranged on a rear surface of the cover window; and a barrier film arranged between the display panel and the cover window. ### Claim 2 (depends on 1) The display device according to claim 1, further comprising an optical film arranged between the barrier film and the display panel. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the optical film includes a light control film configured to adjust an angle of light emitted from the display panel towards the cover window. ### Claim 4 (depends on 1) The display device according to claim 1, wherein the barrier film comprises: a first coating layer arranged on the rear surface of the cover window; a bonding layer configured to adhere the first coating layer to the cover window; a black masking layer arranged on a rear surface of the first coating layer; and a second coating layer arranged on a rear surface of the black masking layer. ### Claim 5 (depends on 4) The display device according to claim 4, wherein the black masking layer has a black masking part corresponding to a non-display area of the display panel. ### Claim 6 (depends on 5) The display device according to claim 5, wherein the black masking part is located at a first area and a second area has no black masking part, and the first and second areas have a same thickness. ### Claim 7 (depends on 4) The display device according to claim 4, wherein the first coating layer and the second coating layer include polyethylene terephthalate (PET). ### Claim 8 (depends on 1) The display device according to claim 1, wherein the cover widow includes at least one of polycarbonate (PC) and polymethyl methacrylate (PMMA). ### Claim 9 (depends on 1) The display device according to claim 1, wherein the barrier film is adhered to the cover window through an in-molding method when the cover window is formed. ### Claim 10 (depends on 3) The display device according to claim 3, further comprising a first adhesive layer adhered to a rear surface of the barrier film, wherein the light control film is adhered to a rear surface of the first adhesive layer. ### Claim 11 (depends on 10) The display device according to claim 10, further comprising a second adhesive layer, a touch film and a third adhesive layer, wherein the second adhesive layer is arranged on a rear surface of the light control film, the touch film is arranged on a rear surface of the second adhesive layer, and the third adhesive layer is arranged on a rear surface of the touch film. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the optical film further includes a polarizing film interposed between the third adhesive layer and the display panel. ### Claim 13 A display device comprising: a display panel; a polarizing film disposed on the display panel; a touch film disposed on the polarizing film; a light control film disposed on the touch film; a barrier film disposed over the polarizing film; and a cover window disposed on the barrier film. ### Claim 14 (depends on 13) The display device according to claim 13, further comprising a first optically clear adhesive layer attaching the barrier film and the light control film. ### Claim 15 (depends on 13) The display device according to claim 13, further comprising a second optically clear adhesive layer attaching the touch film and the light control film. ### Claim 16 (depends on 13) The display device according to claim 13, further comprising a third optically clear adhesive layer attaching the touch film and the barrier film. ### Claim 17 (depends on 13) The display device according to claim 13, wherein the barrier film comprises: a first coating layer arranged on the rear surface of the cover window; a bonding layer configured to adhere the first coating layer to the cover window; a black masking layer arranged on a rear surface of the first coating layer; and a second coating layer arranged on a rear surface of the black masking layer. ### Claim 18 (depends on 16) The display device according to claim 16, wherein the black masking layer has a black masking part corresponding to a non-display area of the display panel. ### Claim 19 (depends on 16) The display device according to claim 16, wherein the first and second coating layers include polyethylene terephthalate (PET). ### Claim 20 (depends on 13) The display device according to claim 13, wherein the cover widow includes at least one of polycarbonate (PC) and polymethyl methacrylate (PMMA).