# US 12,120,835 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,835 B2 - Document ID: US12120835B2 - Status: Granted - Kind: B2 - Application number: 17/992,611 - Filed: 2022-11-22 - Published: 2023-06-29 - Granted: 2024-10-15 - Earliest claimed: 2021-12-28 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Junho Yun - Web page: https://patentgrep.com/patent/US12120835B2 ## CPC - G02F 1/133331: {Cover glasses} - H05K 5/03: Covers - 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 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract Discussed is a display apparatus capable of reducing a non-active area recognized by a user by applying a curvature portion to the entire portions of an edge area of a display panel. The display apparatus can include a display panel configured to display an image, and a cover member on the display panel and configured to protect the display panel, wherein the display panel and the cover member each includes a first curvature portion in which a side surface area is bent, and a second curvature portion in which a corner area is bent, and wherein a thickness of the corner area of the cover member is different than a thickness of the side surface area of the cover member. ## Claims ### Claim 1 A display apparatus comprising: a display panel configured to display an image; and a cover member on the display panel and configured to protect the display panel, wherein the display panel and the cover member each comprises a first curvature portion in which a side surface area is bent, and a second curvature portion in which a corner area is bent, and wherein a thickness of the corner area of the cover member is different than a thickness of the side surface area of the cover member. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein, when viewed in a cross-section, the second curvature portion of the cover member comprises a top surface and a rear surface, and the top surface has a round shape and the rear surface has a straight shape. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein, when viewed in a cross-section, the second curvature portion of the cover member comprises a top surface and a rear surface, and the top surface has a round shape and the rear surface has at least one of a concave shape and a convex shape. ### Claim 4 (depends on 1) The display apparatus of claim 1, wherein, when viewed in a cross-section, the second curvature portion of the cover member comprises a top surface and a rear surface, and the top surface has a round shape and the rear surface has a mixed shape including a straight portion and a curved portion. ### Claim 5 (depends on 1) The display apparatus of claim 1, further comprising: a connection member between the display panel and the cover member, and configured to connect the display panel and the cover member, wherein the connection member has a size smaller than those of the display panel and the cover member. ### Claim 6 (depends on 5) The display apparatus of claim 5, wherein the connection member has a corner area, and one side of the corner area of the connection member has a protrusion portion and a recess portion. ### Claim 7 (depends on 6) The display apparatus of claim 6, wherein the protrusion portion or the recess portion has at least one of a quadrangular shape, a triangular shape, and a curve shape. ### Claim 8 (depends on 1) The display apparatus of claim 1, wherein the first curvature portion and the second curvature portion are continuously connected and integrally disposed. ### Claim 9 (depends on 1) The display apparatus of claim 1, wherein the thickness of the corner area of the cover member is thicker than the thickness of the side surface area of the cover member. ### Claim 10 A display apparatus comprising: a display panel configured to display an image; a cover member on the display panel and configured to protect the display panel; and a connection member between the display panel and the cover member, wherein the display panel and the cover member each comprises a first curvature portion in which a side surface area is bent, and a second curvature portion in which a corner area is bent, and wherein one side of the corner area of the connection member has a protrusion portion and a recess portion. ### Claim 11 (depends on 10) The display apparatus of claim 10, wherein the protrusion portion or the recess portion has at least one of a quadrangular shape, a triangular shape, and a curve shape. ### Claim 12 A display apparatus comprising: a display panel configured to display an image; a cover member configured to protect the display panel, and having a flat portion at a central area of the cover member, and a plurality of straight portions and a plurality of corner portions at a periphery of the cover member; and a connection member between the display panel and the cover member, wherein the plurality of straight portions and the plurality of corner portions include curved portions that curve towards an interior of the display apparatus, wherein the cover member has a top surface facing towards an exterior of the display apparatus, and a rear surface facing towards the interior of the display apparatus, wherein the top surface of the cover member at the plurality of corner portions has a first curvature, and the rear surface of the cover member at the plurality of corner portions has a second curvature, and wherein a distal end of the connection member is not aligned with distal ends of the display panel and the cover member at the plurality of corner portions. ### Claim 13 (depends on 12) The display apparatus of claim 12, wherein the second curvature is different from the first curvature. ### Claim 14 (depends on 13) The display apparatus of claim 13, wherein the second curvature includes a portion that has zero curvature. ### Claim 15 (depends on 13) The display apparatus of claim 13, wherein the first curvature is greater than the second curvature. ### Claim 16 (depends on 12) The display apparatus of claim 12, wherein the first curvature and the second curvature are the same. ### Claim 17 (depends on 12) The display apparatus of claim 12, wherein the first curvature is convex towards the exterior of the display apparatus, and wherein the second curvature is convex towards the interior of the display apparatus. ### Claim 18 (depends on 12) The display apparatus of claim 12, wherein thicknesses of the plurality of corner portions are different from a thickness of the flat portion of the cover member. ### Claim 19 (depends on 18) The display apparatus of claim 18, wherein the thicknesses of the plurality of corner portions are greater than the thickness of the flat portion of the cover member. ### Claim 20 (depends on 18) The display apparatus of claim 18, wherein the thicknesses of the plurality of corner portions are greater than a thickness of the plurality of straight portions of the cover member. ### Claim 21 (depends on 12) The display apparatus of claim 12, wherein each corner portion includes a light shield portion located at a distal end of the cover member at each corner portion, and an intermediate portion between the distal end and the flat portion of the cover member, and wherein a thickness of the light shield portion is different than that of the intermediate portion of each corner portion of the cover member. ### Claim 22 (depends on 12) The display apparatus of claim 12, wherein each corner portion includes a light shield portion located at a distal end of the cover member at each corner portion and an intermediate portion between the distal end and the flat portion of the cover member, and wherein a thickness of the cover member changes in going from the flat portion to the intermediate portion, and from the intermediate portion to the light shield portion of each corner portion. ### Claim 23 (depends on 12) The display apparatus of claim 12, wherein the connection member has a corner area, and one side of the corner area of the connection member has a protrusion portion and a recess portion in a form of at least one of a square wave, a sinusoidal wave and a saw-tooth shaped wave. ### Claim 24 A display apparatus comprising: a display panel configured to display an image; and a cover member on the display panel and configured to protect the display panel, wherein the cover member comprises a plurality of first curvature portions and a plurality of second curvature portions, the plurality of second curvature portions located at corners of the cover member, respectively, wherein thicknesses of the second curvature portions are different from those of the plurality of first curvature portions. ### Claim 25 (depends on 24) The display apparatus of claim 24, wherein the thicknesses of the second curvature portions are greater than those of the plurality of first curvature portions.