# US 10,872,930 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,872,930 B2 - Document ID: US10872930B2 - Status: Granted - Kind: B2 - Application number: 16/382,220 - Filed: 2019-04-12 - Published: 2019-08-01 - Granted: 2020-12-22 - Earliest claimed: 2017-01-11 - Applicants: Chandra Lius; Kuan-Feng Lee; Chung-Wen Yen; Chao-Hsiang Wang - Inventors: Chandra Lius; Kuan-Feng Lee; Chung-Wen Yen; Chao-Hsiang Wang - Web page: https://patentgrep.com/patent/US10872930B2 ## CPC - H10K 59/352: {the areas of the RGB subpixels being different} - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device includes a substrate, first and second data lines, and first and second sub-pixel units. The first sub-pixel unit includes a first electrode and a first light emitting layer disposed on the first electrode. The first electrode has a first region with a first area overlapping the first data line. The second sub-pixel unit includes a second electrode and a second light emitting layer disposed on the second electrode. The second electrode has a second region with a second area overlapping the second data line, wherein the first area is greater than the second area. The luminescence color of the first light emitting layer and the luminescence color of are different, and the luminescence color of the first light emitting layer is blue. ## Claims ### Claim 1 A display device comprising: a substrate, an upper surface of the substrate having a normal direction; a first electrode disposed on the substrate; a first light emitting layer disposed on the first electrode; a second electrode disposed on the substrate; and a second light emitting layer disposed on the second electrode, wherein a luminescence color of the first light emitting layer is different from a luminescence color of the second light emitting layer and the luminescence color of the first light emitting layer is blue; wherein an area of a projection of the first electrode on the upper surface of the substrate in the normal direction is defined as a first electrode area, an area of a projection of an effective light emitting region of the first light emitting layer on the upper surface of the substrate in the normal direction is defined as a first effective area, and a ratio of the first electrode area to the first effective area is defined as a first ratio; an area of a projection of the second electrode on the upper surface of the substrate in the normal direction is defined as a second electrode area, an area of a projection of an effective light emitting region of the second light emitting layer on the upper surface of the substrate in the normal direction is defined as a second effective area, and a ratio of the second electrode area to the second effective area is defined as a second ratio; and the first ratio is less than the second ratio. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the luminescence color of the second light emitting layer is green. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the luminescence color of the second light emitting layer is red. ### Claim 4 (depends on 1) The display device according to claim 1, further comprising a first data line electrically coupled to the first electrode, wherein the first electrode has a first region overlapping the first data line in the normal direction. ### Claim 5 (depends on 4) The display device according to claim 4, further comprising a second data line electrically coupled to the second electrode. ### Claim 6 (depends on 5) The display device according to claim 5, wherein the second electrode has a second region overlapping the second data line in the normal direction, and an area of the first region is greater than an area of the second region. ### Claim 7 (depends on 5) The display device according to claim 5, wherein the second electrode does not overlap the second data line. ### Claim 8 (depends on 5) The display device according to claim 5, wherein the first electrode overlaps the second data line. ### Claim 9 (depends on 5) The display device according to claim 5, further comprising: a third electrode disposed on the substrate; a third light emitting layer disposed on the third electrode; wherein a luminescence color of the third light emitting layer is different from the luminescence color of the first light emitting layer, and the luminescence color of the third light emitting layer is different from the luminescence color of the second light emitting layer. ### Claim 10 (depends on 9) The display device according to claim 9, further comprising: a third data line electrically coupled to the third electrode. ### Claim 11 (depends on 10) The display device according to claim 10, wherein the third electrode has a third region overlapping the third data line in the normal direction, and an area of the first region is greater than an area of the third region. ### Claim 12 (depends on 10) The display device according to claim 10, wherein the third electrode does not overlap the third data line. ### Claim 13 (depends on 10) The display device according to claim 10, wherein the first electrode overlaps the third data line. ### Claim 14 (depends on 10) The display device according to claim 10, wherein the third electrode overlaps the second data line. ### Claim 15 (depends on 10) The display device according to claim 10, wherein the first data line is electrically coupled to the third electrode. ### Claim 16 (depends on 10) The display device according to claim 10, wherein the third electrode does not overlap the first data line. ### Claim 17 (depends on 10) The display device according to claim 10, wherein the third electrode has a fourth region overlapping the first data line in the normal direction, and the first region is greater than the fourth region. ### Claim 18 (depends on 10) The display device according to claim 10, wherein an area of a projection of the third electrode on the upper surface of the substrate in the normal direction is defined as a third electrode area, an area of a projection of an effective light emitting region of the third light emitting layer on the upper surface of the substrate in the normal direction is defined as a third effective area, and a ratio of the third electrode area to the third effective area is defined as a third ratio; and the third ratio is less than the second ratio. ### Claim 19 (depends on 18) The display device according to claim 18, wherein the luminescence color of the second light emitting layer is green, and the luminescence color of the third light emitting layer is red.