# US 12,111,531 B2 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,111,531 B2 - Document ID: US12111531B2 - Status: Granted - Kind: B2 - Application number: 18/096,546 - Filed: 2023-01-12 - Published: 2023-09-21 - Granted: 2024-10-08 - Earliest claimed: 2022-02-28 - Assignees: Innolux Corporation - Applicants: InnoLux Corporation - Inventors: Jui-Jen Yueh; Kuan-Feng Lee; Tsung-Han Tsai - Web page: https://patentgrep.com/patent/US12111531B2 ## CPC - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/136209: {Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element} - H10K 50/865: {comprising light absorbing layers, e.g. light-blocking layers} - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract An electronic device is disclosed by this disclosure. The electronic device includes a pixel substrate and a first light blocking structure. The pixel substrate includes a first pixel. The first light blocking structure is disposed on the pixel substrate, and the first light blocking structure includes a first unit and a second unit. In a top view direction of the electronic device, the first unit and the second unit are separated from each other in a first direction by a first pitch, and the first pixel has an exposed part between the first unit and the second unit. The exposed part has a first length in the first direction, a first ratio is a ratio of the first length to the first pitch, and the first ratio is greater than or equal to 0.4 and less than or equal to 0.85. ## Claims ### Claim 1 An electronic device, comprising: a pixel substrate comprising a first pixel and a second pixel, wherein an area of the first pixel is less than an area of the second pixel; and a first light blocking structure disposed on the pixel substrate and comprising a first unit, a second unit, and a third unit, wherein in a top view direction of the electronic device, the first unit and the second unit are separated from each other in a first direction by a first pitch, the first pixel has an exposed part between the first unit and the second unit, the exposed part has a first length in the first direction, a first ratio is a ratio of the first length to the first pitch, and the first ratio is greater than or equal to 0.4 and less than or equal to 0.85, wherein the second unit is disposed between the first unit and the third unit, the second unit and the third unit are separated from each other in the first direction by a second pitch, the second pixel has an exposed part between the second unit and the third unit, the exposed part of the second pixel has a second length in the first direction, a second ratio is a ratio of the second length to the second pitch, a third ratio is a ratio of the first ratio to the second ratio, and the third ratio is greater than or equal to 0.75 and less than or equal to 1.25, wherein the first length is less than the second length. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein the first ratio is greater than or equal to 0.5 and less than or equal to 0.8. ### Claim 3 (depends on 1) The electronic device according to claim 1, wherein the third ratio is greater than or equal to 0.85 and less than or equal to 1.15. ### Claim 4 (depends on 1) The electronic device according to claim 1, wherein a fourth ratio is a ratio of the first length to the second length, and the fourth ratio is greater than or equal to 0.3 and less than. ### Claim 5 (depends on 1) The electronic device according to claim 1, wherein the pixel substrate further comprises a third pixel, an area of the third pixel is substantially equal to an area of the first pixel, the first light blocking structure further comprises a fourth unit, the third unit is disposed between the second unit and the fourth unit, the third pixel has an exposed part between the third unit and the fourth unit, the exposed part of the third pixel has a third length in the first direction, and the third length is substantially equal to the first length. ### Claim 6 (depends on 1) The electronic device according to claim 1, wherein a thickness of the first unit is less than a width of the first unit. ### Claim 7 (depends on 6) The electronic device according to claim 6, wherein a fifth ratio is a ratio of the thickness of the first unit to the width of the first unit, and the fifth ratio is greater than or equal to 0.01 and less than or equal to 0.5. ### Claim 8 (depends on 1) The electronic device according to claim 1, further comprising: a second light blocking structure disposed between the first light blocking structure and the pixel substrate, wherein the second light blocking structure comprises a fifth unit overlapping the first unit, and a width of the fifth unit is less than a width of the first unit. ### Claim 9 (depends on 1) The electronic device according to claim 1, further comprising: a second light blocking structure disposed between the first light blocking structure and the pixel substrate, wherein the second light blocking structure comprises a fifth unit overlapping the first unit and a sixth unit overlapping the second unit, and a second distance between the fifth unit and the sixth unit is greater than a first distance between the first unit and the second unit. ### Claim 10 (depends on 1) The electronic device according to claim 1, further comprising: an insulating layer and a second light blocking structure, wherein the second light blocking structure is disposed between the first light blocking structure and the pixel substrate, the insulating layer is disposed between the first light blocking structure and the second light blocking structure, and the first light blocking structure contacts the second light blocking structure through an opening of the insulating layer. ### Claim 11 (depends on 1) The electronic device according to claim 1, further comprising: a first insulating layer and a second light blocking structure, wherein the second light blocking structure is disposed between the first light blocking structure and the pixel substrate, and the first insulating layer is disposed between the first light blocking structure and the second light blocking structure, wherein the pixel substrate further comprises a second insulating layer disposed on the first pixel, and a thickness of the first insulating layer is less than a thickness of the second insulating layer. ### Claim 12 (depends on 1) The electronic device according to claim 1, wherein the first pixel comprises an organic light emitting diode.