# US 2025/0093550 A1 · Anti-reflective films, methods for preparing the same, and display panels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0093550 A1 - Document ID: US20250093550A1 - Status: Published application - Kind: A1 - Application number: 18/542,849 - Filed: 2023-12-18 - Published: 2025-03-20 - Earliest claimed: 2023-09-20 - Assignees: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Miao DUAN; Su PAN; Miao ZHOU; Lixuan CHEN - Web page: https://patentgrep.com/patent/US20250093550A1 ## CPC - G02B 1/11: Anti-reflection coatings - G02B 5/02: Diffusing elements; Afocal elements - G02B 5/0242: {by means of dispersed particles} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract The present disclosure provides an anti-reflective film, a method for preparing the same, and a display panel; the anti-reflective film includes a substrate and a plurality of scattering portions dispersed on a surface of the substrate; a gap is provided between adjacent scattering portions, and each of the plurality of scattering portions includes an adhesive and a plurality of scattering particles dispersed in the adhesive. ## Claims ### Claim 1 An anti-reflective film comprising: a substrate; and a plurality of scattering portions dispersed on a surface of the substrate, wherein a gap is provided between adjacent scattering portions, and each of the plurality of scattering portions comprises an adhesive and a plurality of scattering particles dispersed in the adhesive. ### Claim 2 (depends on 1) The anti-reflective film of claim 1, wherein the scattering particles are dispersed within the adhesive, and the scattered particles are located below or protruding from the surface of the substrate away from the adhesive. ### Claim 3 (depends on 1) The anti-reflective film of claim 1, wherein at least one of the plurality of scattering portions is an island-shaped structure. ### Claim 4 (depends on 1) The anti-reflective film of claim 1, wherein the scattering particles comprise at least one of organic microspheres, inorganic microspheres, and inorganic nanoparticles. ### Claim 5 (depends on 1) The anti-reflective film of claim 1, wherein the adhesive comprises a (meth)acrylic resin or an epoxy resin. ### Claim 6 (depends on 1) The anti-reflective film of claim 1, wherein a content of the scattering particles in at least one of the plurality of scattering portions ranges from 5% to 50% by mass, and a haze of the anti-reflective film ranges from 10% to 70%. ### Claim 7 (depends on 6) The anti-reflective film of claim 6, wherein the content of the scattering particles in at least one of the plurality of scattering portions is 20% by mass, and the haze of the anti-reflective film ranges from 30% to 40%. ### Claim 8 (depends on 1) The anti-reflective film of claim 1, wherein heights of the plurality of scattering portions are different. ### Claim 9 (depends on 1) The anti-reflective film of claim 1, wherein heights of the scattering particles in the plurality of scattering portions are different. ### Claim 10 (depends on 1) The anti-reflective film of claim 1, wherein the scattering particles comprise at least one of polycarbonate, polystyrene, polymethyl methacrylate, polysiloxane, silica, titanium dioxide, silica, and barium sulfate. ### Claim 11 (depends on 1) The anti-reflective film of claim 1, wherein light transmittance of the anti-reflective film is greater than 89%. ### Claim 12 (depends on 1) The anti-reflective film of claim 1, wherein a content of the scattering particles in at least one of the plurality of scattering portions ranges from 5% to 50% by mass, a haze of the anti-reflective film ranges from 10% to 70%, and light transmittance of the anti-reflective film is greater than 89%. ### Claim 13 A method for preparing an anti-reflective film comprising: dispersing scattering particles in a solvent to form a particle dispersion; adding an adhesive to the particle dispersion to form an anti-reflective glue; and coating the anti-reflective glue on a surface of a substrate, and curing the anti-reflective glue to form a plurality of scattering portions dispersed on the surface of the substrate, wherein each of the plurality of scattering portions comprises the adhesive and the scattering particles dispersed in the adhesive to form the anti-reflective film. ### Claim 14 (depends on 13) The method for preparing the anti-reflective film of claim 13, wherein the step of dispersing the scattering particles in the solvent to form the particle dispersion comprises: adding organic scattering particles or inorganic scattering particles, a modifier, and a surfactant to a single solvent or a mixed solvent, heating and stirring at a temperature of 30° C. to 100° C. for 0.5 hour to 24 hours, to obtain a uniformly dispersed particle dispersion. ### Claim 15 A display panel comprising: a light-emitting substrate; and an anti-reflective film disposed on the light-emitting substrate in a light output direction of the light-emitting substrate, wherein the anti-reflective film comprises: a substrate; and a plurality of scattering portions dispersed on a surface of the substrate, wherein a gap is provided between adjacent scattering portions, and each of the plurality of scattering portions comprises an adhesive and a plurality of scattering particles dispersed in the adhesive. ### Claim 16 (depends on 15) The display panel of claim 15, wherein the scattering particles are dispersed within the adhesive, and the scattered particles are located below or protruding from the surface of the substrate away from the adhesive. ### Claim 17 (depends on 15) The display panel of claim 15, wherein at least one of the plurality of scattering portions is an island-shaped structure. ### Claim 18 (depends on 15) The display panel of claim 15, wherein the scattering particles comprise at least one of organic microspheres, inorganic microspheres, and inorganic nanoparticles. ### Claim 19 (depends on 15) The display panel of claim 15, wherein the adhesive comprises a (meth)acrylic resin or an epoxy resin. ### Claim 20 (depends on 15) The display panel of claim 15, wherein a content of the scattering particles in at least one of the plurality of scattering portions ranges from 5% to 50% by mass, and a haze of the anti-reflective film ranges from 10% to 70%.