# US 12,009,458 B2 · Display panel with protection layer to protect against radiant energy > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,458 B2 - Document ID: US12009458B2 - Status: Granted - Kind: B2 - Application number: 16/973,118 - Filed: 2018-12-07 - Published: 2021-08-19 - Granted: 2024-06-11 - Earliest claimed: 2018-06-08 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Sungki Kim; Jeongroh Lee; Hyunjun Jung - Web page: https://patentgrep.com/patent/US12009458B2 ## CPC - H10H 20/84: Coatings, e.g. passivation layers or antireflective coatings - H10W 90/00: Package configurations - G02B 1/11: Anti-reflection coatings - G02B 1/14: Protective coatings, e.g. hard coatings - G02B 5/208: {for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation} - H10H 20/01: Manufacture or treatment - H10H 20/854: characterised by their material, e.g. epoxy or silicone resins - H10H 20/855: Optical field-shaping means, e.g. lenses - G02B 5/0278: {used in transmission} - G02B 5/0294: {adapted to provide an additional optical effect, e.g. anti-reflection or filter} - H10H 20/034: {of coatings} - H10H 20/8581: {characterised by their material} - H10H 20/882: {Scattering means (H10H20/82 takes precedence)} - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract Disclosed is a display panel. The display panel comprises: a light-emitting device; a first protection layer disposed on the light-emitting device and having an anti-glare-treated surface; a second protection layer disposed on the first protection layer and having a surface having been subjected to at least one of an anti-glare treating and an anti-reflection treating; and a transparent layer containing a transparent material that allows visible lights to penetrate there through and absorbs or reflects ultraviolet rays and infrared rays. ## Claims ### Claim 1 A display panel comprising: a light emitting device; a first protection layer which is disposed on an upper portion of the light emitting device, and of which surface is treated for diffuse reflection; a second protection layer which is disposed on an upper portion of the first protection layer, and of which surface is treated for at least one of diffuse reflection and anti-reflection; and a transparent layer which includes transparent materials that transmit visible rays, and absorb or reflect ultraviolet rays and infrared rays, wherein the transparent materials are spaced apart from each other with a predetermined interval and fixed on the surface of the first protection layer between the first protection layer and the second protection layer. ### Claim 2 (depends on 1) The display panel of claim 1, wherein the transparent layer is a film layer in which the transparent materials are wet-coated. ### Claim 3 (depends on 1) The display panel of claim 1, wherein the transparent materials are mixed with at least one of the first protection layer and the second protection layer. ### Claim 4 (depends on 1) The display panel of claim 1, wherein thermal conductivity of the first protection layer is greater than or equal to a predetermined value, and thermal conductivity of the second protection layer is less than the predetermined value. ### Claim 5 (depends on 4) The display panel of claim 4, wherein hardness of the first protection layer is less than a predetermined value, and hardness of the second protection layer is greater than or equal to the predetermined value. ### Claim 6 (depends on 1) The display panel of claim 1, wherein the surface of the first protection layer is treated for at least one of diffuse reflection and anti-reflection in that the surface of the first protection layer is coated with a prism sheet. ### Claim 7 (depends on 1) The display panel of claim 1, wherein the surface of the second protection layer is coated with a hydrophilic material or a hydrophobic material. ### Claim 8 (depends on 1) The display panel of claim 1, wherein the light emitting device is a light emitting diode (LED). ### Claim 9 (depends on 1) The display panel of claim 1, wherein the transparent materials are at least one of antimony tin oxide (ATO) and indium tin oxide (ITO). ### Claim 10 A method for manufacturing a display panel, the method comprising: forming a first protection layer on an upper portion of a light emitting device; treating a surface of the first protection layer for diffuse reflection; disposing a transparent layer including transparent materials on an upper portion of the first protection layer treated for the diffuse reflection; forming a second protection layer on an upper portion of the transparent layer; and treating a surface of the second protection layer for at least one of diffuse reflection and anti-reflection, wherein the transparent materials transmit visible rays, and absorb or reflect ultraviolet rays and infrared rays, wherein the disposing the transparent layer comprises disposing the transparent materials spaced apart with a predetermined interval and fixing the transparent materials on the surface of the first protection layer between the first protection layer and the second protection layer. ### Claim 11 (depends on 10) The method of claim 10, wherein the disposing a transparent layer comprises disposing a film layer in which the transparent materials are wet-coated. ### Claim 12 (depends on 10) The method of claim 10, wherein thermal conductivity of the first protection layer is greater than or equal to a predetermined value, and thermal conductivity of the second protection layer is less than the predetermined value.