# US 12,765,231 B2 · Display panel and method for manufacturing same, and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,765,231 B2 - Document ID: US12765231B2 - Status: Granted - Kind: B2 - Application number: 18/288,822 - Filed: 2022-08-23 - Published: 2025-03-06 - Granted: 2026-10-13 - Earliest claimed: 2022-08-23 - Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd.; BOE Technology Group Co., Ltd. - Inventors: Zongshun Yang; Yunhao Zhang; Zhongxiang Yu; Chao Yang; Fushuang Zhang; Jianming Zou; Dongdong Su; Hongtao Yu; Kuanta Huang; Weiliang Bu - Web page: https://patentgrep.com/patent/US12765231B2 ## CPC - H10K 59/873: {Encapsulations} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/879: {comprising refractive means, e.g. lenses} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Provided is a display panel. The display panel includes: a driving backplane, including a base substrate; a light-emitting device on a side of the driving backplane; a package structure on a side, facing away from the driving backplane, of the light-emitting device, wherein the package structure includes an inorganic package structure and an organic package structure, the inorganic package structure being closer to the driving backplane than the organic package structure; and a color stop layer on a side, facing away from the driving backplane, of the organic package structure, wherein the color stop layer is attached to the organic package structure, and in a direction perpendicular to the base substrate, a maximum thickness of the organic package structure is less than a thickness of the inorganic package structure. ## Claims ### Claim 1 A display panel, comprising: a driving backplane, comprising a base substrate; a light-emitting device on a side of the driving backplane; a package structure on a side, facing away from the driving backplane, of the light-emitting device, wherein the package structure comprises an inorganic package structure and an organic package structure, the inorganic package structure being closer to the driving backplane than the organic package structure, and the inorganic package structure comprises: a first inorganic package structure and a second inorganic package structure that are laminated, and a compactness of the second inorganic package structure is greater than a compactness of the first inorganic package structure; and a color stop layer on a side, facing away from the driving backplane, of the organic package structure, wherein the color stop layer is attached to the organic package structure, and in a direction perpendicular to the base substrate, a maximum thickness of the organic package structure is less than a thickness of the inorganic package structure. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the first inorganic package structure comprises at least two inorganic layers that are laminated. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein materials of the at least two inorganic layers comprise one or more of silicon nitride and silicon oxynitride. ### Claim 4 (depends on 3) The display panel according to claim 3, wherein the at least two inorganic layers comprise: a first inorganic layer, a second inorganic layer, a third inorganic layer, and a fourth inorganic layer that are laminated along a direction facing away from the driving backplane, wherein both materials of the first inorganic layer and the third inorganic layer comprise the silicon oxynitride, and both materials of the second inorganic layer and the fourth inorganic layer comprise the silicon nitride. ### Claim 5 (depends on 3) The display panel according to claim 3, wherein a material of the second inorganic package structure comprises aluminum oxide. ### Claim 6 (depends on 2) The display panel according to claim 2, wherein the second inorganic package structure is disposed between two adjacent inorganic layers or between the first inorganic package structure and the organic package structure. ### Claim 7 (depends on 2) The display panel according to claim 2, wherein in the direction perpendicular to the base substrate, a thickness of the second inorganic package structure is less than a thickness of any one of the at least two inorganic layers. ### Claim 8 (depends on 1) The display panel according to claim 1, wherein both the light-emitting device and the color stop layer are disposed in a display region of the display panel, and in the display region, the organic package structure covers the inorganic package structure. ### Claim 9 (depends on 8) The display panel according to claim 8, wherein in the display region, a face, facing away from the driving backplane, of the organic package structure is parallel to the base substrate. ### Claim 10 (depends on 1) The display panel according to claim 1, further comprising: a pixel definition layer, a first electrode layer, a light-emitting functional layer, and a second electrode layer; wherein the first electrode layer comprises a plurality of first electrodes electrically connected to the driving backplane; and the pixel definition layer comprises a plurality of pixel openings in one-to-one correspondence to the plurality of first electrodes, wherein portions, in the same pixel opening, of the plurality of first electrodes, the light-emitting functional layer, and the second electrode layer form the light-emitting device. ### Claim 11 (depends on 10) The display panel according to claim 10, wherein in the direction perpendicular to the base substrate, the maximum thickness of the organic package structure is less than a thickness of the light-emitting functional layer. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein a plurality of light-emitting devices are defined in the display panel, and the color stop layer comprises a plurality of color stop blocks in one-to-one correspondence to the plurality of light-emitting devices, wherein an overlapped region is present between an orthogonal projection of each of the plurality of color stop blocks on the driving backplane and an orthogonal projection of corresponding light-emitting device on the driving backplane. ### Claim 13 (depends on 12) The display panel according to claim 12, further comprising: a plurality of micro-lenses on a side, facing away from the driving backplane, of the color stop layer, wherein the plurality of micro-lenses are in one-to-one correspondence to the plurality of light-emitting devices, and an overlapped region is present between an orthogonal projection of each of the plurality of micro-lenses on the driving backplane and an orthogonal projection of corresponding light-emitting device on the driving backplane. ### Claim 14 (depends on 11) The display panel according to claim 11, wherein the driving backplane further comprises: a plurality of pixel driving circuits on the side of the base substrate that are electrically connected to the plurality of first electrodes in one-to-one correspondence. ### Claim 15 (depends on 10) The display panel according to claim 10, wherein the organic package structure comprises: a first organic package structure and a second organic package structure, wherein an orthogonal projection of the first organic package structure on the driving backplane is within an orthogonal projection of the first electrode layer on the driving backplane, an overlapped region is present between an orthogonal projection of the second organic package structure on the driving backplane and an orthogonal projection of the pixel definition layer on the base substrate, and in the direction perpendicular to the base substrate, a thickness of the first organic package structure is greater than or equal to a thickness of the second organic package structure. ### Claim 16 (depends on 15) The display panel according to claim 15, wherein the orthogonal projection of the first organic package structure on the driving backplane is not overlapped with the orthogonal projection of the pixel definition layer on the base substrate. ### Claim 17 (depends on 15) The display panel according to claim 15, wherein a side face of the first organic package structure is attached to a side face of the second organic package structure, and the first organic package structure and the second organic package structure are disposed on the same layer with the same material. ### Claim 18 A method for manufacturing a display panel, comprising: forming a light-emitting device on a side of a driving backplane; forming a package structure on a side, facing away from the driving backplane, of the light-emitting device, wherein the package structure comprises an inorganic package structure and an organic package structure, the inorganic package structure being closer to the driving backplane than the organic package structure, and the inorganic package structure comprises: a first inorganic package structure and a second inorganic package structure that are laminated, and a compactness of the second inorganic package structure is greater than a compactness of the first inorganic package structure; and forming a color stop layer on a side, facing away from the driving backplane, of the organic package structure, wherein the color stop layer is attached to the organic package structure, the driving backplane comprises a base substrate, and in a direction perpendicular to the base substrate, a maximum thickness of the organic package structure is less than a thickness of the inorganic package structure. ### Claim 19 A display device, comprising: a power supply assembly, and a display panel electrically connected to the power supply assembly, wherein the display panel comprises: a driving backplane, comprising a base substrate; a light-emitting device on a side of the driving backplane; a package structure on a side, facing away from the driving backplane, of the light-emitting device, wherein the package structure comprises an inorganic package structure and an organic package structure, the inorganic package structure being closer to the driving backplane than the organic package structure, and the inorganic package structure comprises: a first inorganic package structure and a second inorganic package structure that are laminated, and a compactness of the second inorganic package structure is greater than a compactness of the first inorganic package structure; and a color stop layer on a side, facing away from the driving backplane, of the organic package structure, wherein the color stop layer is attached to the organic package structure, and in a direction perpendicular to the base substrate, a maximum thickness of the organic package structure is less than a thickness of the inorganic package structure.