# US 2023/0069748 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0069748 A1 - Document ID: US20230069748A1 - Status: Published application - Kind: A1 - Application number: 17/872,972 - Filed: 2022-07-25 - Published: 2023-03-02 - Earliest claimed: 2021-08-25 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: WOOYOUNG KIM; HYEOJI KANG; OHJEONG KWON; KYEONGJONG KIM; TAEHO KIM; HONGYEON LEE; SEUNGYEON JEONG - Web page: https://patentgrep.com/patent/US20230069748A1 ## CPC - H10K 59/873: {Encapsulations} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/352: {the areas of the RGB subpixels being different} - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/40: OLEDs integrated with touch screens - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device includes: a display panel comprising light emitting areas and a non-light-emitting area adjacent to the light emitting areas; an input sensor on the display panel; and a reflective control layer on the input sensor, the display panel including: a light emitting element; a capping layer on the light emitting element; a pattern layer directly on the capping layer and comprising a plurality of protrusions spaced apart from each other; and an encapsulation layer on the pattern layer, wherein each of the protrusions does not overlap the light emitting areas and overlaps the non-light-emitting area. ## Claims ### Claim 1 A display device comprising: a display panel comprising light emitting areas and a non-light-emitting area adjacent to the light emitting areas; an input sensor on the display panel; and a reflective control layer on the input sensor, the display panel comprising: a light emitting element; a capping layer on the light emitting element; a pattern layer directly on the capping layer and comprising a plurality of protrusions spaced apart from each other; and an encapsulation layer on the pattern layer, wherein each of the protrusions does not overlap the light emitting areas and overlaps the non-light-emitting area. ### Claim 2 (depends on 1) The display device of claim 1, wherein the encapsulation layer comprises a first inorganic layer, an organic layer on the first inorganic layer, and a second inorganic layer on the organic layer, and the first inorganic layer is filled in between the protrusions. ### Claim 3 (depends on 2) The display device of claim 2, wherein the first inorganic layer is directly on the capping layer between the protrusions. ### Claim 4 (depends on 1) The display device of claim 1, wherein the light emitting areas are adjacent to each other along a first direction and a second direction perpendicular to the first direction, and each of the protrusions overlaps the non-light-emitting area between the light emitting areas. ### Claim 5 (depends on 1) The display device of claim 1, wherein each of the protrusions is spaced apart from the light emitting areas adjacent thereto in a plan view. ### Claim 6 (depends on 1) The display device of claim 1, wherein the light emitting areas comprise: a first light emitting group comprising a first color light emitting area and a third color light emitting area alternately arranged with the first color light emitting area in a first direction; and a second light emitting group spaced apart from the first light emitting group in a second direction different from the first direction and comprising second color light emitting areas arranged in the first direction, and each of the protrusions overlaps the non-light-emitting area between the first color light emitting area and the third color light emitting area adjacent to the first color light emitting area and the non-light-emitting area between the second color light emitting areas. ### Claim 7 (depends on 6) The display device of claim 6, wherein each of the second color light emitting areas is arranged along a direction between the first direction and the second direction substantially perpendicular to the first direction to be spaced apart from the first color light emitting area and the third color light emitting area. ### Claim 8 (depends on 1) The display device of claim 1, wherein each of the protrusions has a thickness from 80 angstroms to 100 angstroms. ### Claim 9 (depends on 1) The display device of claim 1, wherein the pattern layer comprises at least one of Ag, Mg, Mn, Bi, Yb, Zn, Te, or Se. ### Claim 10 (depends on 1) The display device of claim 1, wherein each of the protrusions has a quadrangular shape in which at least one side has a length from 10 micrometers to 15 micrometers. ### Claim 11 (depends on 1) The display device of claim 1, wherein the reflective control layer comprises first and second color filters configured to transmit light in different wavelength ranges and a light blocking pattern overlapping edges of the first and second color filters, and the protrusions overlap the light blocking pattern. ### Claim 12 (depends on 1) The display device of claim 1, wherein the display panel comprises a pixel definition layer through which a plurality of openings is defined, the openings correspond to the light emitting areas, respectively, and the protrusions are on the pixel definition layer. ### Claim 13 (depends on 1) The display device of claim 1, wherein the light emitting element comprises a first electrode, a second electrode facing the first electrode, and a light emitting layer between the first electrode and the second electrode, and the light emitting layer overlaps the light emitting areas. ### Claim 14 (depends on 13) The display device of claim 13, wherein the protrusions do not overlap the light emitting layer. ### Claim 15 (depends on 1) The display device of claim 1, wherein the capping layer is a common layer that overlaps the light emitting areas and the non-light-emitting area. ### Claim 16 A display device comprising: a display panel comprising light emitting areas and a non-light-emitting area adjacent to the light emitting areas; an input sensor on the display panel; and a reflective control layer on the input sensor, the display panel comprising: a light emitting element; a capping layer on the light emitting element; a pattern layer comprising a base portion directly on the capping layer and a plurality of protrusions protruding from the base portion; and an encapsulation layer on the pattern layer, wherein the base portion entirely overlaps the light emitting areas and the non-light-emitting area, and each of the protrusions does not overlap the light emitting areas and overlaps the non-light-emitting area. ### Claim 17 (depends on 16) The display device of claim 16, wherein the encapsulation layer comprises a first inorganic layer, an organic layer on the first inorganic layer, and a second inorganic layer on the organic layer, and the first inorganic layer is filled in between the protrusions. ### Claim 18 (depends on 17) The display device of claim 17, wherein the first inorganic layer is directly on the base portion between the protrusions. ### Claim 19 (depends on 16) The display device of claim 16, wherein the light emitting areas are adjacent to each other in a first direction and a second direction substantially perpendicular to the first direction, and each of the protrusions overlaps the non-light-emitting area between the light emitting areas. ### Claim 20 (depends on 16) The display device of claim 16, wherein each of the protrusions is spaced apart from the light emitting areas adjacent thereto in a plan view.