# US 12,004,403 B2 · Display device and electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,403 B2 - Document ID: US12004403B2 - Status: Granted - Kind: B2 - Application number: 17/436,740 - Filed: 2020-03-10 - Published: 2022-06-16 - Granted: 2024-06-04 - Earliest claimed: 2019-03-19 - Assignees: Sony Semiconductor Solutions Corporation - Applicants: Sony Semiconductor Solutions Corporation - Inventors: Kouhei Sugiyama; Hiroaki Tsuchioka - Web page: https://patentgrep.com/patent/US12004403B2 ## CPC - H10K 59/38: comprising colour filters or colour changing media [CCM] - G02B 5/20: Filters (polarising elements G02B5/30) - 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) - G09F 9/30: in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00) - H05B 33/02: Details - H05B 33/06: Electrode terminals - H05B 33/12: Light sources with substantially two-dimensional [2D] radiating surfaces - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 59/88: Dummy elements, i.e. elements having non-functional features - H10K 71/50: Forming devices by joining two substrates together, e.g. lamination techniques - H10K 71/851: {Division of substrate} - Y02E 10/549: Organic PV cells - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A display device according to an embodiment of the present technology includes an element substrate, a transparent substrate, a light shielding filter portion, and a transparent adhesive layer. The element substrate includes a first surface, an organic EL element that emits light from a display region of the first surface, and peripheral wiring disposed to overlap in plan view with a peripheral region surrounding the display region. The transparent substrate includes a second surface facing the first surface. The light shielding filter portion includes a first color filter disposed in the peripheral region of the first surface and a second color filter disposed on the second surface to face the first color filter, and shields the peripheral wiring from light. The transparent adhesive layer is provided between the first color filter and the second color filter and bonds the element substrate and the transparent substrate to each other. ## Claims ### Claim 1 A display device, comprising: an element substrate including a first surface, an organic EL element that emits light from a display region of the first surface, and peripheral wiring disposed to overlap in plan view with a peripheral region surrounding the display region; a transparent substrate including a second surface facing the first surface; a light shielding filter portion that includes a first color filter disposed in the peripheral region of the first surface and a second color filter disposed on the second surface to face the first color filter, and shields the peripheral wiring from light; and a transparent adhesive layer that is provided between the first color filter and the second color filter and bonds the element substrate and the transparent substrate to each other. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the first color filter limits visible light having passed through the second color filter. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the second color filter passes a light beam having a predetermined wavelength, and the transparent adhesive layer includes a photocurable adhesive that is cured by the light beam having the predetermined wavelength. ### Claim 4 (depends on 1) The display device according to claim 1, further comprising a colored filter portion including a plurality of colored filters, each of which is disposed on one of the first surface and the second surface and transmits light beams having wavelengths different from each other to color the light of the organic EL element. ### Claim 5 (depends on 4) The display device according to claim 4, wherein at least one of the first color filter or the second color filter includes at least one of a plurality of colored films constituting the plurality of colored filters. ### Claim 6 (depends on 4) The display device according to claim 4, wherein the plurality of colored filters includes a first colored filter, a second colored filter, and a third colored filter that transmit the light beams having wavelengths different from each other. ### Claim 7 (depends on 6) The display device according to claim 6, wherein the first color filter transmits a light beam having the same wavelength as a wavelength of the first colored filter, and the second color filter transmits a light beam having the same wavelength as a wavelength of the second colored filter. ### Claim 8 (depends on 6) The display device according to claim 6, wherein the second colored filter is disposed on the second surface, and the second color filter includes a colored film identical to a colored film of the second colored filter. ### Claim 9 (depends on 6) The display device according to claim 6, wherein the first colored filter is disposed on the first surface, and the first color filter includes a colored film identical to a colored film of the first colored filter. ### Claim 10 (depends on 6) The display device according to claim 6, wherein the first colored filter and the third colored filter are disposed on the first surface, and the first color filter includes a stacked film in which a colored film identical to a colored film of the first colored filter and a colored film identical to a colored film of the third colored filter are stacked. ### Claim 11 (depends on 1) The display device according to claim 1, wherein the second color filter includes a single colored film, and the first color filter includes a single colored film that transmits a light beam having a wavelength different from a wavelength of a colored film constituting the second color filter. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the second color filter transmits red light, and the first color filter transmits blue light. ### Claim 13 (depends on 11) The display device according to claim 11, wherein the second color filter includes a plurality of openings in each of which the second surface is exposed, and the first color filter is disposed to cover the peripheral region of the first surface. ### Claim 14 (depends on 1) The display device according to claim 1, wherein the first color filter includes a first colored film and a second colored film that transmits a light beam having a wavelength different from a wavelength of the first colored film, and the second color filter includes a third colored film that transmits a light beam having a wavelength identical to the wavelength of the first colored film, and a fourth colored film that transmits a light beam having a wavelength identical to the wavelength of the second colored film. ### Claim 15 (depends on 14) The display device according to claim 14, wherein the first color filter includes a first stacked film in which the first colored film and the second colored film are stacked in layers, and a plurality of first openings formed on the first stacked film, the first surface being exposed in each of the plurality of first openings, and the second color filter includes a second stacked film in which the third colored film and the fourth colored film are stacked in layers, and a plurality of second openings formed on the second stacked film without overlapping with the plurality of first openings in plan view, the second surface being exposed in each of the plurality of second openings. ### Claim 16 (depends on 14) The display device according to claim 14, wherein the first color filter includes a first pattern film in which the first colored film and the second colored film are alternately disposed along a plane direction of the first surface, and the second color filter includes a second pattern film in which the third colored film is disposed on the second surface to overlap with the first colored film in plan view, and the fourth colored film is disposed on the second surface to overlap with the second colored film in plan view. ### Claim 17 (depends on 1) The display device according to claim 1, wherein the transparent adhesive layer includes a photocurable adhesive or a thermosetting adhesive. ### Claim 18 (depends on 1) The display device according to claim 1, wherein the transparent adhesive layer is a sealant applied to surround the display region or a filler provided between the transparent substrate and the element substrate. ### Claim 19 An electronic apparatus, comprising: a display device including an element substrate including a first surface, an organic EL element that emits light from a display region of the first surface, and peripheral wiring disposed to overlap in plan view with a peripheral region surrounding the display region, a transparent substrate including a second surface facing the first surface, a light shielding filter portion that includes a first color filter disposed in the peripheral region of the first surface and a second color filter disposed on the second surface to face the first color filter, and shields the peripheral wiring from light, and a transparent adhesive layer that is provided between the first color filter and the second color filter and bonds the element substrate and the transparent substrate to each other; and a drive circuit that drives the display device.