# US 10,504,425 B2 · OLED light source, display device and method for fabricating the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,504,425 B2 - Document ID: US10504425B2 - Status: Granted - Kind: B2 - Application number: 15/997,940 - Filed: 2018-06-05 - Published: 2019-03-21 - Granted: 2019-12-10 - Earliest claimed: 2017-09-15 - Assignees: Boe Technology Group Co., Ltd. - Applicants: Boe Technology Group Co., Ltd. - Inventors: Kuanjun Peng; Xiangxiang Zou - Web page: https://patentgrep.com/patent/US10504425B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3225: using an active matrix - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/65: OLEDs integrated with inorganic image sensors - H10K 59/8051: {Anodes} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract The present disclosure provides an OLED light source, a display device and a method for fabricating the same. The OLED light source includes: light emitting units including anodes arranged in an array; metal wires for connecting the anodes, which are disposed between the light emitting units; an photosensitive sensor disposed on the metal wires, the metal wires being as a sense electrode of the photosensitive sensor; a drive electrode provided on the photosensitive sensor; and an opening disposed at a position where the metal wires correspond to the drive electrode, wherein the photosensitive sensor receives an external light signal through the opening. ## Claims ### Claim 1 An OLED light source, comprising: light emitting units, comprising anodes arranged in an array; metal wires, connecting the anodes and disposed between the light emitting units; a photosensitive sensor, disposed on the metal wires, the metal wires being as a sense electrode of the photosensitive sensor; a drive electrode, provided on the photosensitive sensor; and an opening, disposed at a position where the metal wires correspond to the drive electrode, wherein the photosensitive sensor is configured to receive an external light signal through the opening. ### Claim 2 (depends on 1) The OLED light source according to claim 1, wherein the drive electrode and the anodes are arranged in a same layer and are spaced from each other. ### Claim 3 (depends on 1) The OLED light source according to claim 1, wherein an electroluminescent layer is above the anodes. ### Claim 4 (depends on 1) The OLED light source according to claim 1, wherein the drive electrode and the anodes are made of same material. ### Claim 5 (depends on 1) The OLED light source according to claim 1, wherein the metal wires disposed on a substrate have a grid-like structure; and the anodes are arranged in an array based on the grid-like structure and are connected to the metal wires through a via. ### Claim 6 (depends on 1) The OLED light source according to claim 1, wherein the photosensitive sensor has a PIN structure and the PIN structure comprises a semiconductor material as an active layer. ### Claim 7 (depends on 6) The OLED light source according to claim 6, the semiconductor material adopted by the PIN structure is p-a-Si:H, i-a-Si:H and n-a-Si:H; or p-ZnO, i-ZnO and n-ZnO; or p-IGZO, i-IGZO and n-IGZO; or p-GaN, i-GaN and n-GaN. ### Claim 8 A display device, comprising an OLED light source, wherein the OLED light source comprises: light emitting units, comprising anodes arranged in an array; metal wires, connecting the anodes and disposed between the light emitting units; a photosensitive sensor, disposed on the metal wires which makes the metal wires as a sense electrode of the photosensitive sensor; a drive electrode, provided on the photosensitive sensor; and an opening, disposed at a position where the metal wires correspond to the drive electrode, wherein the photosensitive sensor is configured to receive an external light signal through the opening. ### Claim 9 (depends on 8) The display device according to claim 8, wherein the drive electrode and the anodes are arranged in a same layer and are spaced from each other. ### Claim 10 (depends on 8) The display device according to claim 8, wherein an electroluminescent layer is above the anodes. ### Claim 11 (depends on 8) The display device according to claim 8, wherein the drive electrode and the anodes are made of same material. ### Claim 12 (depends on 8) The display device according to claim 8, wherein the metal wires disposed on a substrate and has a grid-like structure; and the anodes are arranged in an array based on the grid-like structure and are connected to the metal wires through a via. ### Claim 13 (depends on 8) The display device according to claim 8, wherein the photosensitive sensor has a PIN structure and the PIN structure comprises a semiconductor material as an active layer. ### Claim 14 (depends on 13) The display device according to claim 13, the semiconductor material adopted by the PIN structure is p-a-Si:H, i-a-Si:H and n-a-Si:H; or p-ZnO, i-ZnO and n-ZnO; or p-IGZO, i-IGZO and n-IGZO; or p-GaN, i-GaN and n-GaN. ### Claim 15 A method for fabricating an OLED light source, comprising: forming light emitting units which comprise anodes arranged in an array; forming metal wires connecting the anodes and disposed between the light emitting units; forming a photosensitive sensor disposed on the metal wires, the metal wires being as a sense electrode of the photosensitive sensor; forming a drive electrode provided on the photosensitive sensor; and forming an opening disposed at a position where the metal wires correspond to the drive electrode, wherein the photosensitive sensor is configured to receive an external light signal through the opening. ### Claim 16 (depends on 15) The method according to claim 15, wherein further comprising: forming metal wires with a grid-like structure on a substrate and disposing an opening at a predetermined position of the metal wires; forming a passivation layer on the metal wires; forming an active layer of a photosensitive sensor on the passivation layer; forming an anode layer pattern and a drive electrode on the active layer of the photosensitive sensor and the anode layer is connected to the metal wires through a via, the drive electrode being above an opening of the metal wires; forming a pixel definition layer above the anode layer and the drive electrode; forming an electroluminescent layer and a cathode layer on the pixel definition layer; and forming a packaging layer on the cathode layer. ### Claim 17 (depends on 15) The method according to claim 15, wherein the anode layer and the drive electrode are formed by a single patterning process, simultaneously.