# US 12,765,176 B2 · Display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,765,176 B2 - Document ID: US12765176B2 - Status: Granted - Kind: B2 - Application number: 17/435,092 - Filed: 2021-08-03 - Published: 2024-01-18 - Granted: 2026-10-13 - Earliest claimed: 2021-07-15 - Assignees: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Zuqiang Cao - Web page: https://patentgrep.com/patent/US12765176B2 ## CPC - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - H10K 59/8723: {Vertical spacers, e.g. arranged between the sealing arrangement and the OLED} - H10K 71/166: {using selective deposition, e.g. using a mask} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract The present application provides a display panel. The display panel includes a thin film transistor layer, a pixel definition layer, and a spacer layer. The pixel definition layer includes first sub-pixel openings for arranging first-color sub-pixels. The spacer layer includes first spacer pillars distributed according to a first preset rule. The first spacer pillars and the first sub-pixel openings adjacent to the first spacer pillars are arranged in one-to-one correspondence. The first sub-pixel openings are arranged in at least two directions around the first spacer pillars adjacent to the first sub-pixel openings. ## Claims ### Claim 1 A display panel, comprising: a thin film transistor (TFT) layer; a pixel definition layer disposed at one side of the TFT layer, the pixel definition layer comprising a plurality of sub-pixel openings, the plurality of sub-pixel openings comprising a plurality of first sub-pixel openings arranged in rows and columns for disposing first-color sub-pixels; and a spacer layer arranged at one side of the pixel definition layer away from the TFT layer, the spacer layer comprising a plurality of first spacer pillars arranged in rows and columns and distributed according to a first preset rule: the plurality of first spacer pillars and the plurality of first sub-pixel openings adjacent to the plurality of first spacer pillars are arranged in one-to-one correspondence, such that the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars adjacent to the plurality of first sub-pixel openings, wherein for any two adjacent first spacer pillars in a same row, their corresponding first sub-pixel openings are arranged on opposite sides of the row, such that the corresponding first sub-pixel openings are positioned alternately to form a periodic pattern at a first side and a second side of the row of the first spacer pillars; wherein the plurality of first spacer pillars comprise a plurality of first sub-spacers and a plurality of second sub-spacers; in an adjacent couple of the plurality of first sub-spacers and the plurality of second sub-spacers, the first sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a first direction, the second sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a second direction, and the second direction forms a first predetermined included angle with the first direction; wherein the plurality of sub-pixel openings further comprise a plurality of second sub-pixel openings for disposing second-color sub-pixels, and the first-color sub-pixels and the second-color sub-pixels display different colors; the plurality of first spacer pillars and the plurality of second sub-pixel openings adjacent to the plurality of first spacer pillars are arranged in one-to-one correspondence, such that the plurality of second sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars; wherein the spacer layer further comprises a plurality of second spacer pillars distributed according to a second preset rule: the plurality of second spacer pillars and the plurality of first sub-pixel openings adjacent to the plurality of second spacer pillars are arranged in one-to-one correspondence, and the plurality of second spacer pillars and the plurality of first spacer pillars adjacent to the plurality of second spacer pillars are arranged in one-to-one correspondence, wherein the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars adjacent to the plurality of first sub-pixel openings, and the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of second spacer pillars adjacent to the plurality of first sub-pixel openings; wherein the plurality of second spacer pillars comprise a plurality of third sub-spacers and a plurality of fourth sub-spacers, wherein in an adjacent couple of the plurality of third sub-spacers and the plurality of fourth sub-spacers, the third sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a fifth direction, the fourth sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a sixth direction, and the fifth direction forms a third predetermined included angle with the sixth direction; wherein in the first sub-spacer and the third sub-spacer adjacent to one of the same plurality of first sub-pixel openings, a fourth predetermined included angle between the first direction and the fifth direction is less than 180 degrees; and in the second sub-spacer and the fourth sub-spacer adjacent to one of the same plurality of first sub-pixel openings, a fifth predetermined included angle between the second direction and the sixth direction is less than 180 degrees; wherein the fourth predetermined included angle and the fifth predetermined included angle are both 90 degrees. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the first predetermined included angle is 180 degrees. ### Claim 3 (depends on 1) The display panel according to claim 1, wherein the first-color sub-pixels are blue sub-pixels or red sub-pixels, and the second-color sub-pixels are blue sub-pixels or red sub-pixels. ### Claim 4 (depends on 1) The display panel according to claim 1, wherein the plurality of first spacer pillars comprise a plurality of first spacer sets and a plurality of second spacer sets; each of the first spacer sets comprises multiple adjacent ones of the first sub-spacers; each of the second spacer sets comprises multiple adjacent ones of the second sub-spacers; and the first spacer sets and the second spacer sets are alternately arranged. ### Claim 5 (depends on 1) The display panel according to claim 1, wherein in an adjacent couple of the plurality of first sub-spacers and the plurality of second sub-spacers, the first sub-spacer is disposed at one side of an adjacent one of the plurality of second sub-pixel openings toward a third direction, the second sub-spacer is arranged at one side of an adjacent one of the plurality of second sub-pixel openings toward a fourth direction, and the third direction forms a second predetermined included angle with the fourth direction. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein the second predetermined included angle is 180 degrees. ### Claim 7 (depends on 5) The display panel according to claim 5, wherein each of the plurality of first spacer pillars is disposed between an adjacent one of the plurality of first sub-pixel openings and an adjacent one of the plurality of second sub-pixel openings, the first direction is opposite to the third direction, and the second direction is opposite to the fourth direction. ### Claim 8 A display panel, comprising: a thin film transistor (TFT) layer; a pixel definition layer disposed at one side of the TFT layer, the pixel definition layer comprising a plurality of sub-pixel openings, the plurality of sub-pixel openings comprising a plurality of first sub-pixel openings arranged in rows and columns for disposing first-color sub-pixels; and a spacer layer arranged at one side of the pixel definition layer away from the TFT layer, the spacer layer comprising a plurality of first spacer pillars arranged in rows and columns and distributed according to a first preset rule: the plurality of first spacer pillars and the plurality of first sub-pixel openings adjacent to the plurality of first spacer pillars are arranged in one-to-one correspondence, such that the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars adjacent to the plurality of first sub-pixel openings; wherein the plurality of first spacer pillars comprise a plurality of first sub-spacers and a plurality of second sub-spacers; in an adjacent couple of the plurality of first sub-spacers and the plurality of second sub-spacers, the first sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a first direction, the second sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a second direction, and the second direction forms a first predetermined included angle with the first direction; wherein the plurality of sub-pixel openings further comprise a plurality of second sub-pixel openings for disposing second-color sub-pixels, and the first-color sub-pixels and the second-color sub-pixels display different colors; the plurality of first spacer pillars and the plurality of second sub-pixel openings adjacent to the plurality of first spacer pillars are arranged in one-to-one correspondence, such that the plurality of second sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars; wherein the spacer layer further comprises a plurality of second spacer pillars distributed according to a second preset rule: the plurality of second spacer pillars and the first sub-pixel openings adjacent to the second spacer pillars are arranged in one-to-one correspondence, and the plurality of second spacer pillars and the first spacer pillars adjacent to the plurality of second spacer pillars are arranged in one-to-one correspondence, wherein the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of first spacer pillars adjacent to the plurality of first sub-pixel openings, and the plurality of first sub-pixel openings are arranged in at least two directions around the plurality of second spacer pillars adjacent to the plurality of first sub-pixel openings; wherein the plurality of first spacer pillars comprise a plurality of first spacer sets and a plurality of second spacer sets; each of the plurality of first spacer sets comprises multiple adjacent ones of the first sub-spacers; each of the plurality of second spacer sets comprises multiple adjacent ones of the second sub-spacers; and the plurality of first spacer sets and the plurality of second spacer sets are alternately arranged along a row direction to form a periodic pattern, such that a group of the first sub-spacers oriented toward the first direction is followed by a group of the second sub-spacers oriented toward the second direction. ### Claim 9 (depends on 8) The display panel according to claim 8, wherein the first-color sub-pixels are blue sub-pixels or red sub-pixels, and the second-color sub-pixels are blue sub-pixels or red sub-pixels. ### Claim 10 (depends on 8) The display panel according to claim 8, wherein the plurality of second spacer pillars comprise a plurality of third sub-spacers and a plurality of fourth sub-spacers, wherein in an adjacent couple of the plurality of third sub-spacers and the plurality of fourth sub-spacers, the third sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a fifth direction, the fourth sub-spacer is arranged at one side of an adjacent one of the plurality of first sub-pixel openings toward a sixth direction, and the fifth direction forms a third predetermined included angle with the sixth direction. ### Claim 11 (depends on 8) The display panel according to claim 8, wherein in an adjacent couple of the plurality of first sub-spacers and the plurality of second sub-spacers, the first sub-spacer is disposed at one side of an adjacent one of the plurality of second sub-pixel openings toward a third direction, the second sub-spacer is arranged at one side of an adjacent one of the plurality of second sub-pixel openings toward a fourth direction, and the third direction forms a second predetermined included angle with the fourth direction. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein each of the plurality of first spacer pillars is disposed between an adjacent one of the plurality of first sub-pixel openings and an adjacent one of the plurality of second sub-pixel openings, the first direction is opposite to the third direction, and the second direction is opposite to the fourth direction.