# US 12,002,280 B2 · Detection device and optical filter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,002,280 B2 - Document ID: US12002280B2 - Status: Granted - Kind: B2 - Application number: 18/237,091 - Filed: 2023-08-23 - Published: 2023-12-07 - Granted: 2024-06-04 - Earliest claimed: 2021-02-25 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Junko Nagasawa; Shigeru Tabatake; Tetsuya Yamamoto - Web page: https://patentgrep.com/patent/US12002280B2 ## CPC - G06V 40/12: Fingerprints or palmprints - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - G02B 5/20: Filters (polarising elements G02B5/30) - G02B 5/22: Absorbing filters {(G02B5/201 - G02B5/208 take precedence)} - G09F 9/00: Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements (in which the variable information is permanently attached to a movable support G09F11/00; abacus G06C1/00; slide-rules G06G1/00) - H10F 39/12: Image sensors - H10F 77/40: Optical elements or arrangements (surface textures H10F77/70) - H10K 39/32: Organic image sensors - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract According to an aspect, a detection device includes: a substrate having a detection region; a plurality of photodiodes provided in the detection region; a first light-transmitting resin layer provided so as to cover the photodiodes; a light-blocking layer provided on the upper side of the first light-transmitting resin layer and provided with openings in regions overlapping the respective photodiodes; a second light-transmitting resin layer provided so as to cover the light-blocking layer; and a plurality of lenses provided on the upper side of the second light-transmitting resin layer so as to overlap the respective photodiodes. The second light-transmitting resin layer is provided so as to cover an end on a peripheral side of the light-blocking layer on a peripheral side of the substrate. ## Claims ### Claim 1 A detection device comprising: a substrate having a detection region; a plurality of photodiodes provided in the detection region; a first light-transmitting resin layer provided so as to cover the photodiodes; a light-blocking layer provided on the upper side of the first light-transmitting resin layer and provided with openings in regions overlapping the respective photodiodes; a second light-transmitting resin layer provided so as to cover the light-blocking layer; a plurality of lenses provided on the upper side of the second light-transmitting resin layer so as to overlap the respective photodiodes, and an infrared (IR) cut filter layer provided between the photodiodes and the first light-transmitting resin layer and configured to block infrared rays, wherein the second light-transmitting resin layer is provided so as to cover an end on a peripheral side of the light-blocking layer on a peripheral side of the substrate the first light-transmitting resin layer, the light-blocking layer, the second light-transmitting resin layer, and the lenses are stacked on the IR cut filter, and the first light-transmitting resin layer is provided so as to cover an end on a peripheral side of the IR cut filter. ### Claim 2 (depends on 1) The detection device according to claim 1, wherein the second light-transmitting resin layer is provided so as to cover the end on the peripheral side of the light-blocking layer and an end on a peripheral side of the first light-transmitting resin layer. ### Claim 3 (depends on 1) The detection device according to claim 1, wherein an end on a peripheral side of the first light-transmitting resin layer and an end on a peripheral side of the second light-transmitting resin layer are formed in a sloping manner. ### Claim 4 (depends on 1) The detection device according to claim 1, wherein a plurality of steps are formed at each of an end on a peripheral side of the first light-transmitting resin layer and an end on a peripheral side of the second light-transmitting resin layer. ### Claim 5 (depends on 4) The detection device according to claim 4, wherein the steps of the second light-transmitting resin layer are formed by connecting at least a first upper surface, a first side surface, a second upper surface, and a second side surface from the end on the peripheral side of the second light-transmitting resin layer, and a height of each of the steps is smaller than a width of the step. ### Claim 6 (depends on 1) The detection device according to claim 1, further comprising an organic protective film provided between the photodiodes and the first light-transmitting resin layer, wherein the organic protective film is continuously formed from the detection region to an end on the peripheral side of the substrate, and an end on a peripheral side of the first light-transmitting resin layer is provided on the upper side of the organic protective film. ### Claim 7 (depends on 1) The detection device according to claim 1, wherein a thickness of the IR cut filter is made larger than a thickness of the light-blocking layer. ### Claim 8 (depends on 1) The detection device according to claim 1, wherein a thickness of the light-blocking layer is made larger than a thickness of the IR cut filter. ### Claim 9 (depends on 1) The detection device according to claim 1, wherein, in plan view in a direction orthogonal to the substrate, a chamfered or rounded portion is formed at least at one of a corner on a peripheral side of the first light-transmitting resin layer and a corner on a peripheral side of the second light-transmitting resin layer. ### Claim 10 (depends on 1) The detection device according to claim 1, wherein an end on a peripheral side of the first light-transmitting resin layer, an end on a peripheral side of the second light-transmitting resin layer, and the end on the peripheral side of the light-blocking layer are arranged in the order as listed, from an end on the peripheral side of the substrate toward the detection region. ### Claim 11 An optical filter provided in a detection device including a substrate having a detection region and a plurality of photodiodes provided in the detection region, the optical filter comprising: a first light-transmitting resin layer; a light-blocking layer provided on the upper side of the first light-transmitting resin layer and provided with a plurality of openings; a second light-transmitting resin layer provided so as to cover the light-blocking layer; a plurality of lenses provided on the upper side of the second light-transmitting resin layer, and an infrared (IR) cut filter layer provided between the photodiodes and the first light-transmitting resin layer and configured to block infrared rays, wherein the second light-transmitting resin layer is provided so as to cover an end on a peripheral side of the light-blocking layer on a peripheral side of the first light-transmitting resin layer, the first light-transmitting resin layer, the light-blocking layer, the second light-transmitting resin layer, and the lenses are stacked on the IR cut filter, and the first light-transmitting resin layer is provided so as to cover an end on a peripheral side of the IR cut filter.