# US 11,775,018 B2 · Device integrating an image sensor and a display screen > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,775,018 B2 - Document ID: US11775018B2 - Status: Granted - Kind: B2 - Application number: 16/763,708 - Filed: 2018-11-09 - Published: 2020-09-24 - Granted: 2023-10-03 - Earliest claimed: 2017-11-15 - Assignees: Isorg - Applicants: Isorg - Inventors: Benjamin Bouthinon; Richun Fei; Agathe Puszka; Quentin Chable; Pierre Muller - Web page: https://patentgrep.com/patent/US11775018B2 ## CPC - G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)} - G06F 3/042: by opto-electronic means - G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0421: {by interrupting or reflecting a light beam, e.g. optical touch-screen} - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract A device includes a display screen and an image sensor. A first electromagnetic shielding layer permeable to light is arranged between active portions of the display screen and active portions of the image sensor. ## Claims ### Claim 1 A device comprising: a display screen and an image sensor, wherein a first electromagnetic shielding layer permeable to light is arranged between active portions of the display screen and active portions of the image sensor, wherein the image sensor comprises a fingerprint sensor made of an organic material, and wherein said first electromagnetic shielding layer is made of a transparent conductive polymer. ### Claim 2 (depends on 1) The device according to claim 1, wherein the first electromagnetic shielding layer is intended to be coupled to a ground of the device. ### Claim 3 (depends on 1) The device according to claim 1, further comprising a second electromagnetic shielding layer, intended to be coupled to a ground of the device, is arranged between the image sensor and an electronic board. ### Claim 4 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer has a thickness smaller than 10 μm. ### Claim 5 (depends on 4) The device according to claim 4, wherein the said electromagnetic shielding layer made of the transparent conductive polymer, is full plate. ### Claim 6 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer integrates a network of silver nanowires. ### Claim 7 (depends on 1) The device according to claim 1, wherein a surface area of said first electromagnetic shielding layer corresponds at least to an opposite surface area between the display screen and the image sensor. ### Claim 8 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is arranged between an optical filter and a support of the display screen. ### Claim 9 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is arranged between an optical filter and an encapsulation layer of the image sensor. ### Claim 10 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is integrated to an optical filter interposed between the image sensor and the display screen. ### Claim 11 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is formed between an insulating support of the display screen and a substrate from which screen components are formed. ### Claim 12 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is formed between a substrate from which screen components are formed and a buffer layer separating the substrate from a semiconductor stack forming transistors. ### Claim 13 (depends on 1) The device according to claim 1, wherein said first electromagnetic shielding layer is formed between a transparent layer defining electrodes of photodiodes of the image sensor and an overlying encapsulation layer. ### Claim 14 (depends on 1) A cell phone comprising one or more of the devices according to claim claim 1. ### Claim 15 (depends on 1) A smart watch comprising one or more of the devices according to claim 1. ### Claim 16 (depends on 1) A touch pad comprising one or more of the devices according to claim claim 1. ### Claim 17 (depends on 1) A computer comprising one or more of the devices according to claim claim 1. ### Claim 18 (depends on 1) The device according to claim 1, wherein the transparent conductive polymer is a mixture of poly(3,4-ethylenedioxythiophene) and sodium polystyrene sulfonate. ### Claim 19 A device comprising: a display screen having active portions; a fingerprint image sensor having active portions; and a transparent conductive polymer layer arranged between the active portions of the display screen and the active portions of the fingerprint image sensor, wherein the transparent conductive polymer layer provides electromagnetic shielding between the active portions of the display screen and the active portions of the fingerprint image sensor while being permeable to light to allow the fingerprint image sensor to capture light.