# US 10,872,220 B2 · Method for acquiring biometric information and electronic device supporting the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,872,220 B2 - Document ID: US10872220B2 - Status: Granted - Kind: B2 - Application number: 15/955,929 - Filed: 2018-04-18 - Published: 2018-10-18 - Granted: 2020-12-22 - Earliest claimed: 2017-04-18 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Joung Min Cho; Jeong Hun Kim; Oh Hyuck Kwon; Tae Sung Kim; Hyung Dal Kim; Hyun Chang Shin; Song Hee Jung; Jeong Min Park; Hyung Sup Byeon; Heung Sik Shin - Web page: https://patentgrep.com/patent/US10872220B2 ## CPC - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - G06F 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0416: {Control or interface arrangements specially adapted for digitisers} - G06F 3/042: by opto-electronic means - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - G06V 40/1318: {using electro-optical elements or layers, e.g. electroluminescent sensing} - G06V 40/63: {by static guides} - G09G 3/3225: using an active matrix - G09G 5/10: Intensity circuits - G09G 5/36: characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory - G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper - G09G 5/02: characterised by the way in which colour is displayed {(details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607)} - G09G 2310/04: Partial updating of the display screen - G09G 2320/0257: Reduction of after-image effects - G09G 2320/046: Dealing with screen burn-in prevention or compensation of the effects thereof - G09G 2320/0626: for control of overall brightness - G09G 2320/0686: with two or more screen areas displaying information with different brightness or colours - G09G 2330/022: in absence of operation, e.g. no data being entered during a predetermined time - G09G 2354/00: Aspects of interface with display user - G09G 2358/00: Arrangements for display data security - G09G 2360/144: the light being ambient light - G09G 2370/04: Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - 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 An electronic device and method are disclosed herein. The electronic device includes a display, a biometric sensor, and at least one processor. The processor implements the method, including: when a touch input is detected to the display within the biometric sensing area, increase a brightness of a first pixel group within the biometric sensing area to a first brightness level, and execute at least one of maintaining and changing display of a second pixel group outside the biometric sensing area and, wherein the at least one of maintaining and changing display of the second pixel group includes one of: executing a black state in which display through the second pixel group is disabled, and changing a display attribute for the second pixel group such that a load on the second pixel group is reduced. ## Claims ### Claim 1 An electronic device comprising: a display including a plurality of pixels; a biometric sensor configured to acquire biometric data through a biometric sensing area of the display; and at least one processor coupled to the display and the biometric sensor, wherein the processor is configured to: display a user interface in an application window at a first brightness to guide a touch input from a user, the user interface overlapped with the biometric sensor disposed in the application window, by using a plurality of pixels outside the biometric sensing area, change a background color of the application window into a black state or a low gradation state when the user interface is displayed, when the touch input is detected on the display within the biometric sensing area, operate one or more pixels inside the biometric sensing area at a second brightness higher than the first brightness, control the biometric sensor to acquire the biometric data through the display while the one or more pixels inside the biometric sensing area are at the second brightness, and while controlling the one or more pixels inside the biometric sensing area to operate at the second brightness, control the display to maintain turned-on state and the background color of the application window maintains the black state or the low gradation state. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein in operating the plurality of pixels outside the biometric sensing area in the black state or the low gradation state, the processor is further configured to disable the plurality of pixels outside the biometric sensing area. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein in operating the one or more pixels inside the biometric sensing area at the second brightness, the processor is further configured to increase an amount of electric power supplied to the one or more pixels inside the biometric sensing area. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein when the plurality of pixels outside the biometric sensing area are operated in the black state or the low gradation state, a load on the plurality of pixels outside the biometric sensing area is reduced. ### Claim 5 (depends on 4) The electronic device of claim 4, wherein the load on the plurality of pixels outside the biometric sensing area is reduced by changing a specific gradation value for the plurality of pixels outside the biometric sensing area. ### Claim 6 (depends on 1) The electronic device of claim 1, further comprising a display driver integrated circuit (IC), wherein the display is configured such that voltages supplied to regions of the display are reduced according to a distance a particular region is disposed from the display driver IC, and wherein the display driver IC is disposed adjacent to the biometric sensing area of the display. ### Claim 7 (depends on 1) The electronic device of claim 1, further comprising: an illumination sensor configured to detect an intensity of illumination, wherein the one or more pixels inside the biometric sensing area are operated at the second brightness when an intensity of environmental illumination as detected by the illumination sensor exceeds a pre-specified value. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the processor is configured to stop operating the one or more pixels inside the biometric sensing area at the second brightness when the touch input is no longer detected. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein a first time period for which the one or more pixels inside the biometric sensing area are operated at the second brightness is determined based a second time period that the biometric sensor uses to acquire the biometric data. ### Claim 10 (depends on 1) The electronic device of claim 1, further comprising a motor coupled to the processor, and wherein the processor is further configured to operate the motor to generate a vibration when acquisition of the biometric data is complete. ### Claim 11 A method of an electronic device having a display, comprising: displaying a user interface at a biometric sensing area in an application window of the display at a first brightness to guide a touch input from a user, the biometric sensing area corresponding to a biometric sensor configured to acquire biometric data through the biometric sensing area, and the user interface overlapped with the biometric sensor disposed in the application window; by using a plurality of pixels of the display outside the biometric sensing area, change a background color of the application window into a black state or a low gradation state when the user interface is displayed; when the touch input is detected on the display within the biometric sensing area, operating one or more pixels of the display inside the biometric sensing area at a second brightness higher than the first brightness; controlling the biometric sensor to acquire the biometric data through the display while the one or more pixels inside the biometric sensing area are at the second brightness; and while controlling the one or more pixels inside the biometric sensing area to operate at the second brightness, controlling the display to maintain turned-on state and the background color of the application window maintains the black state or the low gradation state. ### Claim 12 (depends on 11) The method of claim 11, further comprising disabling the plurality of pixels outside the biometric sensing area. ### Claim 13 (depends on 11) The method of claim 11, wherein to operate the one or more pixels inside the biometric sensing area at the second brightness, the method further comprises increasing an amount of electric power supplied to the one or more pixels inside the biometric sensing area. ### Claim 14 (depends on 11) The method of claim 11, wherein when the plurality of pixels outside the biometric sensing area are operated in the black state or the low gradation state, a load on the plurality of pixels outside the biometric sensing area is reduced. ### Claim 15 (depends on 14) The method of claim 14, further comprising changing a specific gradation value for the plurality of pixels outside the biometric sensing area to reduce the load on the plurality of pixels outside the biometric sensing area. ### Claim 16 (depends on 11) The method of claim 11, wherein the electronic device further comprises a display driver integrated circuit (IC), wherein the display is configured such that voltages supplied to regions of the display are reduced according to a distance a particular region is disposed from the display driver IC, and wherein the display driver IC is disposed adjacent to the biometric sensing area of the display. ### Claim 17 (depends on 11) The method of claim 11, wherein the electronic device further comprises an illumination sensor configured to detect an intensity of illumination, and wherein the one or more pixels inside the biometric sensing area are operated at the second brightness when an intensity of environmental illumination as detected by the illumination sensor exceeds a pre-specified value. ### Claim 18 (depends on 11) The method of claim 11, further comprising stopping the operation of the one or more pixels inside the biometric sensing area at the second brightness when the touch input is no longer detected. ### Claim 19 (depends on 11) The method of claim 11, wherein a first time period for which the one or more pixels inside the biometric sensing area are operated at the second brightness is determined based a second time period that the biometric sensor uses to acquire the biometric data. ### Claim 20 (depends on 11) The method of claim 11, wherein the electronic device further comprises a motor, and the method further comprises operating the motor to generate a vibration when acquisition of the biometric data is complete. ### Claim 21 An electronic device comprising: a display including a plurality of pixels; a biometric sensor corresponding a biometric sensing area of the display; and at least one processor coupled to the display and the biometric sensor, wherein the processor is configured to: by using a plurality of pixels outside the biometric sensing area, change a background color of an application window into a black state or a low gradation state when a user interface in the application window at a first brightness is displayed in the biometric sensing area, the user interface overlapped with the biometric sensor disposed in the application window, and control the biometric sensor to acquire biometric data when the user interface is displayed at a second brightness higher than the first brightness, and while controlling the one or more pixels inside the biometric sensing area to operate at the second brightness, control the display to maintain turned-on state and the background color of the application window maintains the black state or the low gradation state. ### Claim 22 (depends on 21) The electronic device of claim 21, wherein in operating the plurality of pixels outside the biometric sensing area in the black state or the low gradation state, the processor is further configured to disable the plurality of pixels outside the biometric sensing area. ### Claim 23 (depends on 21) The electronic device of claim 21, wherein in displaying the user interface at the second brightness, the processor is further configured to increase an amount of electric power supplied to one or more pixels inside the biometric sensing area. ### Claim 24 (depends on 21) The electronic device of claim 21, wherein when the plurality of pixels outside the biometric sensing area are operated in the black state or the low gradation state, a load on the plurality of pixels outside the biometric sensing area is reduced. ### Claim 25 (depends on 24) The electronic device of claim 24, wherein the load on the plurality of pixels outside the biometric sensing area is reduced by changing a specific gradation value for the plurality of pixels outside the biometric sensing area. ### Claim 26 (depends on 21) The electronic device of claim 21, further comprising a display driver integrated circuit (IC), wherein the display is configured such that voltages supplied to regions of the display are reduced according to a distance a particular region is disposed from the display driver IC, and wherein the display driver IC is disposed adjacent to the biometric sensing area of the display. ### Claim 27 (depends on 21) The electronic device of claim 21, further comprising: an illumination sensor configured to detect an intensity of illumination, wherein the user interface is displayed at the second brightness when an intensity of environmental illumination as detected by the illumination sensor exceeds a pre-specified value. ### Claim 28 (depends on 21) The electronic device of claim 21, wherein the processor is configured to stop displaying the user interface at the second brightness when a touch input is no longer detected. ### Claim 29 (depends on 21) The electronic device of claim 21, wherein a first time period for which the user interface is displayed at the second brightness is determined based a second time period that the biometric sensor uses to acquire the biometric data. ### Claim 30 (depends on 21) The electronic device of claim 21, further comprising a motor coupled to the processor, and wherein the processor is further configured to operate the motor to generate a vibration when acquisition of the biometric data is complete.