# US 11,908,230 B2 · Fingerprint sensor and electronic device comprising fingerprint sensor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,908,230 B2 - Document ID: US11908230B2 - Status: Granted - Kind: B2 - Application number: 17/984,784 - Filed: 2022-11-10 - Published: 2023-03-09 - Granted: 2024-02-20 - Earliest claimed: 2020-05-12 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jihun Heo; Hyunwoo Kim; Jihoon Park - Web page: https://patentgrep.com/patent/US11908230B2 ## CPC - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/044: by capacitive means - G06F 3/0441: {using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals} - G06F 3/046: by electromagnetic means - G06V 40/1306: {non-optical, e.g. ultrasonic or capacitive sensing} - G06V 40/1329: {Protecting the fingerprint sensor against damage caused by the finger} - H10F 39/198: {Contact-type image sensors [CIS]} - H10F 39/804: {Containers or encapsulations} - H10F 39/811: {Interconnections} - G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION ## Abstract An electronic device may include: a display device; a battery; a digitizer positioned between at least the display device and the battery and including a first circuit board; a fingerprint sensor including a second circuit board and a third circuit board; and a processor electrically connected to the display device, the digitizer, and the fingerprint sensor. The first circuit board may include a first conductive pattern for recognizing an input device, the second circuit board may include a second conductive pattern for recognizing the input device, the third circuit board may include a third conductive pattern for recognizing a fingerprint, and the first conductive pattern and the second conductive pattern may be electrically connected. Various other embodiments that can be recognized through the specification are also possible. ## Claims ### Claim 1 An electronic device comprising: a display device comprising a display; a battery; a digitizer located between at least the display device and the battery, the digitizer including a first circuit board; a fingerprint sensor including a second circuit board and a third circuit board; and a processor electrically connected to the display device, the digitizer, and the fingerprint sensor, wherein the first circuit board includes a first conductive pattern for recognition of an input device, the second circuit board includes a second conductive pattern for recognition of the input device, the third circuit board includes a third conductive pattern for recognition of a fingerprint, and the first conductive pattern and the second conductive pattern are electrically connected. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the first conductive pattern of the digitizer and the second conductive pattern of the fingerprint sensor are electrically connected through at least a connecting pad of the digitizer. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the connecting pad and the second conductive pattern are electrically connected through at least a solder ball. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein a photo sensor of the fingerprint sensor is electrically connected with the third conductive pattern of the fingerprint sensor through at least a wire. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the digitizer further includes a first hole without the first conductive pattern. ### Claim 6 (depends on 5) The electronic device of claim 5, wherein the fingerprint sensor at least partially overlaps the first hole. ### Claim 7 A fingerprint sensor comprising: a photo sensor; a first circuit board; and a second circuit board, wherein the first circuit board includes a first conductive pattern for recognition of an input device, and the second circuit board includes a second conductive pattern for recognition of a fingerprint, and wherein the second circuit board is located between at least the first circuit board and the photo sensor. ### Claim 8 (depends on 7) The fingerprint sensor of claim 7, wherein the first circuit board includes the first conductive pattern for recognition of the input device comprising a digital pen. ### Claim 9 (depends on 7) The fingerprint sensor of claim 7, wherein the photo sensor is electrically connected with the second conductive pattern. ### Claim 10 (depends on 7) The fingerprint sensor of claim 7, wherein the photo sensor is electrically connected with the second conductive pattern through at least a wire. ### Claim 11 (depends on 7) The fingerprint sensor of claim 7, wherein the second circuit board is located on one surface of the first circuit board. ### Claim 12 (depends on 7) The fingerprint sensor of claim 7, wherein the photo sensor is located on one surface of the second circuit board. ### Claim 13 An electronic device comprising: a display device comprising a display; a battery; a heat radiating layer located between at least the display device and the battery; a fingerprint sensor including a circuit board; and a processor electrically connected to the display device and the fingerprint sensor, wherein the circuit board includes a conductive pattern for recognition of a fingerprint, the circuit board includes an opening through which at least a portion of a conductive metal inclusive layer included in the circuit board is exposed, and the conductive metal inclusive layer exposed through the opening is electrically connected with the heat radiating layer. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein a photo sensor of the fingerprint sensor is electrically connected with the conductive pattern of the fingerprint sensor through at least a wire. ### Claim 15 (depends on 13) The electronic device of claim 13, wherein the heat radiating layer further includes a first hole.