# US 10,120,241 B2 · Display panel and manufacturing method thereof 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 10,120,241 B2 - Document ID: US10120241B2 - Status: Granted - Kind: B2 - Application number: 15/097,545 - Filed: 2016-04-13 - Published: 2016-12-22 - Granted: 2018-11-06 - Earliest claimed: 2015-06-19 - Assignees: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Applicants: BOE Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Inventors: Wenhao Tang; Sang Man Yuk; Bin Li; Huifang Yuan; Tao Zhu; Haibin Yin; Jian Chen; Anxin Dong; Qun Fang - Web page: https://patentgrep.com/patent/US10120241B2 ## CPC - G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/133514: {Colour filters} - G02F 1/1339: Gaskets; Spacers; Sealing of cells - G02F 1/13398: {Spacer materials; Spacer properties} - G02F 2201/501: Blocking layers, e.g. against migration of ions - 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 ## Abstract A display panel and a manufacturing method thereof and a display device. The display panel includes a first substrate and a second substrate disposed opposite to the first substrate. The display panel further includes: a sealant disposed in an auxiliary region of the first substrate; and a first spacer disposed in an auxiliary region of the second substrate. A position of the first spacer in the auxiliary region of the second substrate corresponds to a position of the sealant in the auxiliary region of the first substrate. ## Claims ### Claim 1 A display panel, comprising a first substrate and a second substrate disposed opposite to the first substrate, wherein the display panel further comprises: a sealant disposed in an auxiliary region of the first substrate; and a first spacer disposed in an auxiliary region of the second substrate, wherein a position of the first spacer in the auxiliary region of the second substrate corresponds to a position of the sealant in the auxiliary region of the first substrate, and wherein, at least one groove is provided on a surface of the first spacer contacting the sealant; the second substrate is a color filter substrate, the color filter substrate comprises a first base substrate and a black light shielding layer disposed on the first base substrate; the first spacer is disposed on the black light shielding layer and a position of the first spacer on the black light shielding layer corresponds to the position of the sealant; and a distance between the bottom of the first spacer and the bottom of the groove is bigger than zero; wherein the color filter substrate further comprises a protecting layer disposed on a surface of the black light shielding layer; and the first spacer is disposed on the protecting layer and a position of the first spacer on the protecting layer corresponds to a position of the sealant. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the at least one groove is configured as an annular loop on the first spacer. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein a quantity of the at least one groove is at least two. ### Claim 4 (depends on 2) The display panel according to claim 2, wherein the at least one groove is configured as a rectangular ring on the first spacer. ### Claim 5 (depends on 1) The display panel according to claim 1, wherein a plurality of hemispherical bodies is provided on the surface of the first spacer contacting the sealant. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein the hemispherical bodies are arranged at equal intervals. ### Claim 7 (depends on 1) The display panel according to claim 1, wherein the display panel further comprises a second spacer disposed in a display region of the color filter substrate, and the second spacer and the first spacer are disposed in a same layer. ### Claim 8 (depends on 1) A display device, comprising the display panel according to claim 1. ### Claim 9 (depends on 1) The display panel according to claim 1, wherein the black light shielding layer comprises a first black light shielding portion located in a display region of the color filter substrate and a second black light shielding portion located in a peripheral region of the color filter substrate. ### Claim 10 (depends on 9) The display panel according to claim 9, wherein the first black light shielding portion comprises a black matrix arranged in an array. ### Claim 11 A manufacturing method of a display panel, wherein the display panel comprises a first substrate and a second substrate, the manufacturing method comprising: using a photolithography process to form a first spacer in an auxiliary region of the second substrate; disposing a sealant in an auxiliary region of the first substrate or on the first spacer, wherein a position of the first spacer corresponds to a position of the sealant; assembling the second substrate and the first substrate to form the display panel; and providing at least one groove on a surface of the first spacer contacting the sealant; wherein, the second substrate is a color filter substrate, and the color filter substrate comprises a first base substrate and a black light shielding layer disposed on the first base substrate, wherein using the photolithography process to form the first spacer in the auxiliary region of the second substrate comprises: using a film forming process to form a first spacer layer on the second substrate, wherein the using the film forming process to form the first spacer layer on the second substrate comprises: using the film forming process to form the first spacer layer on the black light shielding layer, and wherein a distance between the bottom of the first spacer and the bottom of the groove is bigger than zero; wherein the color filter substrate further comprises a protecting layer disposed on a surface of the black light shielding layer; and the first spacer is disposed on the protecting layer and a position of the first spacer on the protecting layer corresponds to a position of the sealant. ### Claim 12 (depends on 11) The manufacturing method according to claim 11, wherein using the photolithography process to form the first spacer in the auxiliary region of the second substrate comprises: using a masking process to perform exposure and development on the first spacer layer to form the first spacer in the auxiliary region of the second substrate. ### Claim 13 (depends on 11) The manufacturing method according to claim 11, wherein: the color filter substrate further comprises a protecting layer disposed on the black light shielding layer; and using the film forming process to form the first spacer layer on the black light shielding layer, comprises: using the film forming process to form the first spacer on the protecting layer. ### Claim 14 (depends on 13) The manufacturing method according to claim 13, further comprising: forming a second spacer in a display region of the color filter substrate, wherein the second spacer and the first spacer are disposed in a same layer. ### Claim 15 (depends on 11) The manufacturing method of claim 11, further comprising: forming a second spacer in a display region of the color filter substrate, wherein the second spacer and the first spacer are disposed in a same layer.