# US 10,763,315 B2 · Display apparatus including light receiving pixel area > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,763,315 B2 - Document ID: US10763315B2 - Status: Granted - Kind: B2 - Application number: 16/586,682 - Filed: 2019-09-27 - Published: 2020-04-02 - Granted: 2020-09-01 - Earliest claimed: 2018-10-01 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Juyoung Bang; Hyung-Seok Bang - Web page: https://patentgrep.com/patent/US10763315B2 ## CPC - H10K 59/60: OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - H10F 30/223: the potential barrier being a PIN barrier - H10F 39/198: {Contact-type image sensors [CIS]} - H10F 39/8057: {Optical shielding} - H10F 55/18: {wherein the radiation-sensitive semiconductor devices and the electric light source share a common body having dual-functionality of light emission and light detection} - H10F 55/255: formed in, or on, a common substrate - H10F 77/206: {for devices having potential barriers} - H10F 77/50: Encapsulations or containers (for photovoltaic modules H10F19/80) - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/1213: {the pixel elements being TFTs} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/40: OLEDs integrated with touch screens - H10K 59/65: OLEDs integrated with inorganic image sensors - H10K 59/873: {Encapsulations} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION ## Abstract A display apparatus including a plurality of display pixel areas and a plurality of light-receiving pixel areas which are arranged in a display area in which an image is displayed, comprises a thin-film transistor array including a plurality of thin-film transistors which correspond to the plurality of display pixel areas; a plurality of electro-luminescence devices disposed above the thin-film transistor array and corresponding to the plurality of display pixel areas; a plurality of light-receiving devices disposed above the thin-film transistor array and corresponding to the plurality of light-receiving pixel areas; a transparent film covering the plurality of electro-luminescence devices and the plurality of light-receiving devices; and a plurality of light shield patterns disposed on the transparent film and overlapping the plurality of light-receiving devices. ## Claims ### Claim 1 A display apparatus including a plurality of display pixel areas and a plurality of light-receiving pixel areas which are arranged in a display area in which an image is displayed, comprising: a thin-film transistor array including a plurality of thin-film transistors which correspond to the plurality of display pixel areas; a plurality of electro-luminescence devices disposed above the thin-film transistor array and corresponding to the plurality of display pixel areas; a plurality of light-receiving devices disposed above the thin-film transistor array and corresponding to the plurality of light-receiving pixel areas; a transparent film covering the plurality of electro-luminescence devices and the plurality of light-receiving devices; and a plurality of light shield patterns disposed on the transparent film and overlapping the plurality of light-receiving devices. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein each light shield pattern has a width greater than that of each light-receiving device and has an edge protrudes further than that of each light-receiving device. ### Claim 3 (depends on 2) The display apparatus of claim 2, further comprising a transparent cover member covering the plurality of light shield patterns. ### Claim 4 (depends on 3) The display apparatus of claim 3, wherein among angles between lines which connect the edge of each light shield pattern and the edge of each light-receiving device and a normal line of an upper surface of the transparent cover member, a minimum angle (a light-shield-pattern minimum available incidence angle) is greater than a predetermined critical angle, and wherein the predetermined critical angle corresponds to the transparent cover member and a medium which contacts the upper surface of the transparent cover member. ### Claim 5 (depends on 3) The display apparatus of claim 3, each electro-luminescence device comprises: a first electrode disposed above the thin-film transistor array; an electro-luminescence layer disposed above the first electrode; and a second electrode disposed above the electro-luminescence layer, wherein an edge of the first electrode is covered by a bank disposed above the thin-film transistor array. ### Claim 6 (depends on 5) The display apparatus of claim 5, wherein the plurality of light-receiving pixel areas are disposed to alternate with one or more display pixel areas which are arranged in a sequence among the plurality of display pixel areas, and wherein the bank further covers at least portion of each light-receiving device. ### Claim 7 (depends on 6) The display apparatus of claim 6, wherein the bank has a light-receiving hole corresponding to at least portion of each of the light-receiving devices. ### Claim 8 (depends on 7) The display apparatus of claim 7, further comprising at least one light receiving improvement pattern disposed above each light-receiving device, which corresponds to the light-receiving hole. ### Claim 9 (depends on 8) The display apparatus of claim 8, wherein the at least one light receiving improvement pattern includes a same material as the bank. ### Claim 10 (depends on 5) The display apparatus of claim 5, wherein the bank includes a light-absorbing insulation material or an opaque material. ### Claim 11 (depends on 5) The display apparatus of claim 5, wherein the bank includes a light-transmitting insulation material. ### Claim 12 (depends on 5) The display apparatus of claim 5, further comprising at least one supplementary electro-luminescence device corresponding to at least one supplementary pixel area which is arranged together with the plurality of display pixel areas and the plurality of light-receiving pixel areas in the display area, wherein the at least one supplementary electro-luminescence device comprises: a first supplementary electrode disposed above the thin-film transistor array; a supplementary electro-luminescence layer disposed above the first supplementary electrode; and a second supplementary electrode disposed above the supplementary electro-luminescence layer, and wherein the bank covers an edge of the first supplementary electrode, and the transparent film covers the at least one supplementary electro-luminescence device. ### Claim 13 (depends on 12) The display apparatus of claim 12, wherein the supplementary electro-luminescence layer has a structure in which a hole transport layer, an emitting layer, and an electron transport layer are sequentially stacked. ### Claim 14 (depends on 13) The display apparatus of claim 13, wherein the supplementary electro-luminescence layer has a structure in which a hole transport layer and an electron transport layer are bonded with each other except for the emitting layer. ### Claim 15 (depends on 12) The display apparatus of claim 12, further comprising at least one supplementary light shield pattern disposed above the transparent film and overlapping the at least one supplementary electro-luminescence device. ### Claim 16 (depends on 15) The display apparatus of claim 15, wherein the at least one supplementary light shield pattern has a width greater than that of each supplementary electro-luminescence device and has an edge of each supplementary light shield pattern protrudes further than an edge of each supplementary electro-luminescence device. ### Claim 17 (depends on 1) The display apparatus of claim 1, wherein each light-receiving device comprises: a first electrode disposed above the thin-film transistor array; a PIN junction layer disposed above the first electrode; and a second electrode disposed above the PIN junction layer. ### Claim 18 (depends on 3) The display apparatus of claim 3, further comprising a protective film having a flat shape or having a curved surface shape which corresponds to a curvature of a lower end of the protective film. ### Claim 19 (depends on 2) The display apparatus of claim 2, wherein an edge of each light shield pattern protrudes further than an edge of each light-receiving device in all directions. ### Claim 20 (depends on 1) The display apparatus of claim 1, further comprising a supplementary light source unit which is disposed in a different layer from the plurality of electro-luminescence devices and the plurality of light-receiving devices.