Driving schemes for under-display sensors

Abstract

Aspects of driving schemes for under-display sensors are disclosed. For example, a driving scheme may be applied to an emissive display having a plurality of pixels and an under-display sensor. The driving scheme may include activation and deactivation signals. The deactivation signal deactivates at least one portion of pixels in the emissive display, which may be proximate to an under-display sensor. The activation signal activates an electromagnetic-radiating component, associated with the under-display sensor, sufficient to generate an output signal. The under-display sensor captures a receipt signal, which may be a reflection of the output signal. The driving scheme may compare display properties of pixels to determine the portion of pixels to deactivate. The driving scheme may deactivate a first portion of rows of pixels and activate a second portion of rows of pixels that each extend across an under-display sensor. The driving scheme may use a pulse-amplitude modulated waveform.

Description

DRIVING SCHEMES FOR UNDER-DISPLAY SENSORSBACKGROUND

[0001] Many electronic devices that include a display utilize under-display sensors, such as ambient light sensors, proximity sensors, image capture sensors, or the like. These underdisplay sensors free up space and potentially maximize a viewing area of the display. In order for some of these sensors to operate correctly, the display may need to be turned off so that light emitted from the display is not inadvertently captured by the sensor in addition to the data intended to be captured. For example, ambient light sensor data may be inaccurate if light from the display is included in captured data. Likewise, light captured from the display may interfere with proper detection using a proximity sensor. During a deactivation of the display and an operation of an under-display sensor, a display artifact may appear, such as a white dot on the display, which may diminish a user experience. The white dot may appear on the display due to current leakage caused by the operating of the under-display sensor.SUMMARY

[0002] This document describes systems and techniques directed at driving schemes for under-display sensors that may overcome or reduce the disadvantages discussed herein. For example, a driving scheme may be applied to an emissive display having a plurality of pixels and an under-display sensor. The driving scheme may include activation and deactivation signals. The deactivation signal deactivates at least one portion of pixels in the emissive display, which may be proximate to the under-display sensor. The activation signal activates an electromagnetic- radiating component, associated with the under-display sensor, sufficient to generate an output signal. The under-display sensor captures a receipt signal, which may be a reflection of the output signal. The driving scheme may compare display properties of pixels to determine the portion of pixels to deactivate. The driving scheme may deactivate a first portion of rows of pixels and activate a second portion of rows of pixels that each extend across an under-display sensor. The driving scheme may use a pulse-amplitude modulated waveform.

[0003] In aspects, the techniques described herein relate to a method that includes applying a driving scheme to (i) an emissive display having a plurality of pixels and (ii) at least one under-display sensor. The driving scheme including an activation signal and a deactivation signal. The method includes deactivating, in response to the deactivation signal, at least one portion of pixels of the plurality of pixels in the emissive display. The method includes activating, in response to the activation signal, at least one electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate at least one output signal. Theelectromagnetic-radiating component is disposed at a position that substantially corresponds to a location of the portion of pixels of the plurality of pixels that are deactivated. The method includes capturing, in response to the activation signal, at least one receipt signal that is a reflection of the output signal using the at least one under-display sensor.

[0004] In other aspects, the techniques described herein relate to a method that includes applying a driving scheme to (i) an emissive display having a plurality of rows of pixels and (ii) at least one under-display sensor. The driving scheme including an activation signal and a deactivation signal. The method includes deactivating, in response to a deactivation signal received at the emissive display, a portion of the rows of pixels of the plurality of rows of pixels in the emissive display and activating, in response to an activation signal received at the at least one under-display sensor, an electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate an output signal. The electromagnetic-radiating component is disposed at a location that substantially corresponds to a location of the portion of the rows of pixels of the plurality of rows of pixels that are deactivated. The method includes capturing, in response to the activation signal received at the at least one under-display sensor, a receipt signal that is a reflection of the output signal using the at least one under-display sensor. The activating of the electromagnetic-radiating component and capturing the receipt signal may occur while the portion of the rows of pixels of the plurality of rows of pixels in the emissive display are deactivated by the deactivation signal. The capture of the receipt signal occurs after the activation of the electromagnetic-radiating component.

[0005] In additional aspects, the techniques described herein relate to a method that includes applying a driving scheme to (i) an emissive display having a plurality of pixels and (ii) at least one under-display sensor. The driving scheme including an activation signal and, for one or more portions of the emissive display, a waveform with two or more states including a high state and a low state. The waveform is configured to activate the emissive display during the high state and deactivate the emissive display during the low state. The method includes performing a pulse-amplitude modulation on a portion of the waveform that is transmitted to one or more pixels of the plurality of pixels, the one or more pixels having a location corresponding to an electromagnetic-radiating component. The method includes transmitting the pulse-amplitude modulated waveform effective to deactivate at least a portion of the plurality' of pixels of the emissive display. The method includes activating, in response to an activation signal received at the at least one under-display sensor, the electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate an output signal. The method includes capturing, in response to the activation of the electromagnetic-radiating component, a receipt signal that is a reflection of the output signal using the at least one under-display sensor.

[0006] In some aspects, the techniques described herein relate to an electronic device including an emissive display having a plurality of pixels, at least one under-display sensor, and at least one electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate at least one output signal. The electronic device includes a driving scheme configured to provide (i) a deactivation signal to the emissive display to deactivate a portion of pixels of the plurality and (ii) an activation signal to the at least one under-display sensor to activate the at least one electromagnetic-radiating component to generate the at least one output signal. The at least one electromagnetic-radiating component is disposed at a location of the portion of pixels deactivated by the deactivation signal, and the at least one under-display sensor is configured to capture at least one reflection of the at least one output signal.

[0007] This Summary is provided to introduce simplified concepts of systems and methods for driving schemes for under-display sensors, the concepts of which are further described below in the Detailed Description and Drawings. This Summary is not intended to identity’ essential features of the claimed subject matter, nor is it intended for use in determining the scope of the claimed subject matter.BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The details of one or more aspects of systems and techniques directed at driving schemes for under-display sensors are described in this document with reference to the following draw ings, in which the use of same numbers in different instances may indicate similar features or components.

[0009] FIG. 1 illustrates an example device diagram of an electronic device in which schemes for under-display sensors can be implemented.

[0010] FIG. 2 illustrates an example device diagram of an example OLED display.

[0011] FIG. 3 is a schematic view illustrating example elements of an electronic device configured to receive, generate, and / or supply signals to produce an image on an OLED display.

[0012] FIG. 4 illustrates a top-portion of an example electronic device having an OLED display and an example under-display sensor.

[0013] FIG. 5 illustrates an example implementation of an example electronic device including an under-display sensor.

[0014] FIGs. 6-1 - 6-5 illustrate an example driving scheme.

[0015] FIGs. 7-1 and 7-2 illustrate an example driving scheme.

[0016] FIG. 8 illustrates an example driving scheme.

[0017] FIG. 9 illustrates an example flow' chart for a method of applying a driving scheme to an emissive display and at least one under-display sensor.

[0018] FIG. 10 illustrates an example flow chart for a method of a driving scheme.

[0019] FIG. 11 illustrates an example flow chart for a method of applying a driving scheme to an emissive display and at least one under-display sensor.

[0020] FIG. 12 illustrates an example flow chart for a method of applying a driving scheme to an emissive display and at least one under-display sensor.DETAILED DESCRIPTIONOverview

[0021] This document describes systems and techniques directed at driving schemes for under-display sensors. Many electronic devices (e.g., wireless-network devices, desktops, smartwatches) include an electronic visual display, often simply referred to as a display or screen, integrated as a portion of the electronic device’s housing. Electronic device manufacturers fabricate these displays in a layered structure (“display panel stack”), containing a cover layer (e.g., cover glass) and a display module having a display panel.

[0022] These display panels include an array of pixel circuits, each having an organic light-emitting diode (“pixel”). The pixels may be composed of any colored combination of one or more subpixels, including a red subpixel, a green subpixel, and / or a blue subpixel. Electronic devices can control any of the pixels within a display panel to illuminate at various intensities and wavelengths (e.g., combined wavelengths of the sub-pixels), effective to produce on-screen content (e.g., images). By exploiting a feature of the human eye and brain referred to as persistence of vision (e.g., retinal persistence), a display panel can redraw on-screen content at predetermined frequencies (“refresh rate”) to save power, change on-screen content (e.g., scrolling) seamlessly, and give an illusion of on-screen content as images in motion (e.g., video). For example, a display panel configured to operate at a 120 hertz (Hz) refresh rate can redraw onscreen content 120 times per second. The benefits of OLED displays include high refresh rates, small display response times, and low power consumption. These benefits make OLED displays well-suited for electronic devices and are further appreciated by users, in large part, because of their display image-quality.

[0023] To preserve space on a display-side of an electronic device and, simultaneously, maximize a screen-size while maintaining an overall low' profile of the electronic device, a manufacturer may embed sensors under the display (e.g., under the cover glass, under the display panel). These sensors, often referred to as under-display sensors, can include an optical underdisplay fingerprint sensor, an ambient light sensor, a proximity sensor, an imaging sensor, an electromagnetic sensor, and the like. In one example, an ambient light sensor (e.g., a photodetector) is disposed underneath a display panel and is configured to measure an amount oflight exterior to the display-side of an electronic device (“ambient light”). In operation, the electronic device may be configured to measure ambient light using the ambient light sensor during a display blanking time (e.g., an off-state of a display during a refresh operation). For instance, during a refresh operation, pixel circuits having a pixel disposed above and / or near the ambient light sensor may receive a high emission-control signal (e.g., a signal configured to cause the pixel to cease illuminating) and then, after a first interval, receive a low emission-control signal (e.g., a signal configured to cause the pixel to illuminate). During this first interval (e.g., from receipt of the high emission-control signal to receipt of the low emission control signal), the ambient light sensor may measure ambient light. Whereas, during a second interval, which spans from receipt of a low emission-control signal to receipt of a high emission-control signal, the ambient light sensor may, in an implementation, cease measuring ambient light. In an additional or alternative implementation, measurements by the ambient light sensor may be discarded by a processor during the second interval. In either implementation, these techniques can minimize noise in the ambient light measurements since light from active pixels can leak into the ambient light sensor.

[0024] In another example, the under-display sensor may be a proximity sensor configured to transmit an output signal and detennine whether the display is against a surface, such as a user’s face, by receipt of a reflection of the output signal. If the pixels of an emissive display are proximate the proximity sensor, light from the display may cause noise that is combined with the reflection of the output signal. Noise from the display may cause the proximity sensor to incorrectly detennine whether the display is proximate to a user’s face, or the like.

[0025] To this end, this document describes systems and techniques directed at driving schemes for under-display sensors. In aspects, the driving scheme includes a deactivation signal to deactivate (e.g., turn off) at least a portion of the pixels of a display and an activation signal to activate an under-display sensor. Simultaneous to, or slightly afterw ard, the deactivation of the pixels, an electromagnetic-radiating component may be activated sufficient to generate an output signal. Afterwards, a receipt signal from the output signal is received while the pixels remain deactivated. In implementations, the deactivation signal comprises turning off various pixels using various schemes such as turning off select rows of pixels or based on a variety of display conditions including luminosities, on-pixel ratios (OPRs), display brightness values (DBVs), or gray content. Gray content may be determined based on a grayscale value of pixels. OPR may be determined by determining a percentage of the pixels that are activated (e.g., on). Luminosity may be determined by measuring the total amount of light emitted by the display. Similarly, DBV may determined by measuring the brightness of the display. Each of the display conditions may change over time. For example, the display properties may change as the image being displaychanges. Thus, the display properties may be measured during a first frame as the driving scheme is applied to the display.

[0026] The following discussion describes operating environments, techniques that may be employed in the operating environments, and example methods. Although techniques using and apparatuses for driving schemes for under-display sensors are described, it is to be understood that the subj ect of the appended claims is not necessarily limited to the specific features or methods described. Rather, the specific features and methods are disclosed as example implementations and reference is made to the operating environment by way of example only.Example Environment

[0027] FIG. 1 illustrates an example device diagram 100 of an electronic device 102 in which driving schemes for under-display sensors can be implemented. The electronic device 102 may include additional components and interfaces omitted from FIG. 1 for the sake of clan ly. The electronic device 102 can be a variety of consumer electronic devices. As non-limiting examples, the electronic device 102 can be a smartphone 102-1, a tablet device 102-2, a laptop computer 102-3, a computerized watch 102-4, a portable video game console 102-5, smart glasses 102-6, VR goggles 102-7, and the like.

[0028] The electronic device 102 includes one or more processors 104. The processor(s) 104 can include, as non-limiting examples, a system-on-a-chip (SoC), an application processor (AP), a central processing unit (CPU), or a graphics processing unit (GPU). The processor(s) 104 generally execute commands and processes utilized by the electronic device 102 and an operating system installed thereon. For example, the processor(s) 104 may perfonn operations to display graphics of the electronic device 102 on an OLED display 110 and can perform other specific computational tasks, such as controlling the creation and display of an image on the OLED display 110.

[0029] The electronic device 102 also includes computer-readable media (CRM) 106. The CRM 106 is a suitable storage device (e.g.. random-access memory (RAM), static RAM (SRAM), dynamic RAM (DRAM), non-volatile RAM (NVRAM), read-only memory (ROM), flash memory) configured to store device data of the electronic device 102, user data, and multimedia data. The CRM 106 may store an operating system that generally manages hardware and software resources (e.g.. the applications) of the electronic device 102 and provides common services for applications stored on the CRM 106. The operating system and the applications are generally executable by the processor(s) 104 to enable communications and user interaction with the electronic device 102.

[0030] The electronic device 102 further includes one or more sensors 108. In some examples, the sensors 108 may be disposed on or in a peripheral input device connected (e.g., wired, wirelessly) to the electronic device 102. In implementations, the sensors 108 include underdisplay sensors including a touch-input sensor (e.g., a touchscreen), an image-capture device (e.g., a camera, video-camera), proximity sensors (e.g., capacitive sensors), an ambient light sensor (e.g., photodetector), and / or an under-display fingerprint sensor (UDFPS).

[0031] The electronic device 102 further includes an organic light-emitting diode (OLED) display 110 having a display driver integrated circuit 112 (DDIC 112). Although an OLED display 110 is described herein, it is provided as an example only. In additional or alternative implementations, the electronic device 102 may include any of a variety of displays, including an active-matrix OLED (AMOLED) display, an electroluminescent display (ELD), a microLED display , a liquid cry stal display (LCD), a thin film transistor (TFT) LCD, an in-place switching (IPS) LCD, a plasma monitor panel (PDP), and so forth.

[0032] The DDIC 112 may include atiming controller 114 and at least one data-hne driver 116 (e.g., a column-line driver). The OLED display 1 10 may further include one or more of a scan-line driver 118 and an emission-control driver 120. In additional implementations, the OLED display 110 may include a gate-line driver and / or additional row-line drivers.

[0033] Further, the OLED display 110 may include a pixel array 122 of pixel circuits. The pixel array 122 may be controlled by the timing controller 114 via the data-line driver 116, the scan-line driver 118, and the emission-control driver 120. In other implementations, a timing controller 114 and a plurality' of scan-line drivers, data-line drivers, and emission-control drivers may control the pixel circuits of a pixel array 122. As illustrated in FIG. 1, the DDIC 112 includes the data-line driver 116. In additional implementations, the data-line driver 116 may be separate from the DDIC 112 but operably coupled to the DDIC 112. In further implementations, the timing controller 114 may include the data-line driver 116.

[0034] The timing controller 114 provides interfacing functionality between the processor(s) 104 and the drivers (e.g., data-line driver 116, scan-line driver 118, emission-control driver 120) of the OLED display 110. The timing controller 1 14 generally accepts commands and data from the processor(s) 104, generates signals with appropriate voltage, current, timing, and demultiplexing, and transmits the signals to the data-line driver 116, the scan-line driver 118, and the emission-control driver 120 to enable the OLED display 110 to display a desired image.

[0035] The drivers may transmit time-variant and amplitude-variant signals (e.g., voltage signals, current signals) to control the pixel array 122. For example, the data-line driver 116 transmits signals containing voltage data to the pixel array 122 to control the luminance of an organic light-emitting diode. The scan-line driver 118 transmits a signal to enable or disable anorganic light-emitting diode to receive the data voltage from the data-line driver 116. The emission-control driver 120 supplies an emission-control signal to the pixel array 122. Together, under the direction of the processor(s) 104, the drivers control the pixel array 122 to generate light to create an image on the OLED display 110.

[0036] FIG. 2 illustrates an example device diagram 200 of an example OLED display 110. In this example, the OLED display 110 includes similar components to those described and illustrated with respect to the OLED display 110 of FIG. 1, with some additional detail.

[0037] As illustrated, the OLED display 110 includes a pixel array 122 of pixel circuits 202 (e.g.. pixel circuit 202-1. pixel circuit 202-2). The OLED display 110 may contain a plurality’ (e.g., hundreds, thousands, millions) of pixel circuits 202, but only fifteen pixel circuits 202 are illustrated in FIG. 2 for the sake of clarity. To control the pixel circuits 202, a processor (e.g., processor(s) 104) may transmit data to the DDIC 112. The timing controller 114 in the DDIC 112 may receive the signal and transmit signals with appropriate voltage, current, timing, and demultiplexing to the drivers. As a result, the drivers may transmit a series of signals via row or column lines to one or more pixel circuits 202 arranged in rows and columns. As illustrated, the scan-line driver 118 may transmit scan signals 204 (e.g., scan signal 204-1, scan signal 204-2, scan signal 204-3). The data-line driver 116 may transmit data signals 206 (e.g., data signal 206- 1 , data signal 206-2, data signal 206-3. data signal 206-4, data signal 206-5) via column lines. The emission-control driver 120 may transmit emission-control signals 208 (e.g., emission-control signal 208-1, emission-control signal 208-2, emission-control signal 208-3) via row lines. As an example, the emission-control driver 120 can generate and supply the emission-control signal 208- 1 to pixel circuits 202 (e.g., pixel circuit 202-1, pixel circuit 202-2) operably coupled to a first row of scan lines.

[0038] FIG. 3 is a schematic view 300 illustrating example elements of an electronic device 102 configured to receive, generate, and / or supply signals to produce an image on the OLED display 110. The schematic view 300 is shown as a set of components and outputs (e.g., signals, data) thereof but is not necessarily limited to the order or combinations shown. In portions of the following discussion, the schematic view 300 is described in the context of the OLED display 110 of FIGs. 1 and 2, or to entities or processes as detailed in other figures, reference to which is made for example only. The schematic view 300 may include outputs in a different order or with additional or fewer components and outputs thereof. Further, any of one or more of the outputs of schematic view 300 may be repeated, combined, reorganized, or linked to provide a wide array of additional and / or alternate outputs.

[0039] As described with respect to FIG. 1, the electronic device 102 includes processor(s) 104 (e.g.. a GPU) to control the creation and display of an image 306 on the OLED display 110.As illustrated in FIG. 3, the processor(s) 104 transmit image data 302 to a DDIC 112 having a timing controller 114 and a data-line driver 116. The image data 302 includes information regarding the image 306. The timing controller 114 may process the image data 302 and generate input signals 304 (e.g., input signal 304-1, input signal 304-2). The timing controller 114 may supply an input signal 304-1 to a scan-line driver 118 and an input signal 304-2 to an emissioncontrol driver 120.

[0040] The scan-line driver 118 may generate and supply scan signals 204 to pixel circuits 202 within a pixel array 122 through scan lines, for example. The data-line driver 116 may generate and supply data signals 206 to the pixel circuits 202 within the pixel array 122 through data lines, as illustrated in FIG. 2, for example. The emission-control driver 120 may generate and supply emission-control signals 208 to the pixel circuits 202 within the pixel array 122 through emission-control lines, as illustrated in FIG. 2, for example.

[0041] FIGs. 4 and 5 illustrate example emissive displays 110 for an electronic device 102. FIG. 4 illustrates a top-portion 400 of an example electronic device 102 (e.g., smartphone 102-1) having an OLED display 1 10 and an example under-display sensor. In implementations, the example under-display sensor is an ambient light sensor 402. The electronic device 102 includes the pixel array 122 of pixel circuits 202, although only a portion of the pixel array (“pixel array portion" 404) is illustrated in FIG. 4. For example, the pixel array portion 404 includes five pixel circuits (not to scale), including pixel circuit 202-1. Each of the pixel circuits 202 includes an OLED (“pixel”). For example, pixel circuit 202-1 includes a pixel 406 composed of a red subpixel, green subpixel, and blue subpixel. Further illustrated, the portion of the pixel array 404 may be disposed above the ambient light sensor 402 such that the pixel array 122 is positioned adjacent to a cover glass 408. Each pixel is configured to emit light 412 as shown. Ambient light 410 may be detected by the ambient light sensor 402.

[0042] FIG. 5 graphically illustrates an example implementation 500 of the example electronic device 102 including another under-display sensor 502. As illustrated, the electronic device 102 includes an under-display sensor 502 disposed in a bottom portion of the display 110 within a housing of the electronic device 102. The under-display sensor 502 may include an electromagnetic-radiating component 504 configured to generate an output signal. The electromagnetic-radiating component 504 may be a separate component or may be an integral component of the under-display sensor 502 as would be appreciated by one of ordinary skill in the art having the benefit of this disclosure. As illustrated, the under-display sensor 502 and, optionally, the electromagnetic-radiating component 504 may be integrated in one or more layers of the display 110. Although the under-display sensor 502 is shown as being disposed in thebottom portion of the display 110, the under-display sensor 502 may be disposed in any portion of the display 110.

[0043] In such a configuration, the under-display sensor 502 can capture data through a cover glass 408 and the display 110. For example, the under-display sensor 502 may capture ambient light through the cover glass 408 and the display 110. In another implementation, the under-display sensor 502 may capture a reflection of an output signal generated by the electromagnetic-radiating component 504. For example, the under-display sensor 502 may be a proximity' sensor that captures a reflection of the output signal, from the electromagnetic-radiating component 504, off a user's face.

[0044] FIGs. 6-1 through 6-5 illustrate an example driving scheme 600 for an emissive display' 110 and at least one under-display' sensor 602. An image 604 may' be shown on the emissive display 110 over the under-display sensor 602. The size, shape, and location of the under-display sensor 602 are shown for illustrative purposes and may be varied as would be appreciated by one of ordinary skill in the art having the benefit of this disclosure. The emissive display' 110 includes a plurality of rows of pixels, and a portion of the plurality' of rows of pixels extends across the under-display sensor 602. In one implementation of a driving scheme, alternating rows of pixels are deactivated for a first frame while an activation signal is sent to the under-display sensor 602 to capture specified data. The under-display sensor 602 may be a proximity sensor, an imaging sensor, an electromagnetic sensor (e.g., an infrared sensor, a radar sensor), or the like.

[0045] As show n in FIG. 6-2, odd rows of pixels 606 are deactivated during the first frame and even rows of pixels 608 are activated during the first frame. During a second frame, the driving scheme activates previously-deactivated odd rows of pixels 606 and deactivates previously-activated even rows of pixels 608 as shown in FIG. 6-3. The rows of pixels 606, 608 are show n for illustrative purposes and are not drawn to scale. The deactivation of a first portion of rows of pixels for a first frame while leaving a second portion of row s of pixels activated may reduce or minimize visual effects for the user during the activation of the under-display sensor 602. The at least one under-display sensor 602 remains active during the first frame while the odd row' of pixels 606 are deactivated and remains active during the second frame w hile the even rows of pixels 608 are deactivated.

[0046] In an implementation, the driving scheme may deactivate two rows of pixels 610 out of every three rows of pixels while activating the remaining row of pixels 612 as shown in FIG. 6-4. The driving scheme may deactivate, during a first frame, the first two rows of pixels 610 out of every' three rows of pixels while an activation signal is sent to the under-display sensor 602. The driving scheme, during the first frame, may activate the third remaining row of pixels612. During a second frame, the driving scheme may activate the previously-deactivated rows of pixels and may deactivate the previously-activated row of pixels. The rows of pixels 610, 612 are shown for illustrative purposes and are not drawn to scale. As discussed herein, the deactivation of a first portion of rows of pixels for a first frame while leaving a second portion of rows of pixels activated may reduce or minimize visual effects for the user during the activation of the underdisplay sensor 602.

[0047] In an additional implementation, the driving scheme may deactivate three rows of pixels 614 out of every' four rows of pixels while activating the remaining row of pixels 616 as shown in FIG. 6-5. The driving scheme may deactivate, during a first frame, the first three rows of pixels 614 out of every7four rows of pixels while an activation signal is sent to the under-display sensor 602. The driving scheme, during the first frame, may activate the fourth remaining row of pixels 616. During a second frame, the driving scheme may activate the previously -deactivated rows of pixels and may deactivate the previously-activated royv of pixels. The royvs of pixels 614, 616 are shown for illustrative purposes and are not drawn to scale.

[0048] FIG. 7-1 illustrates an example driving scheme 700 for an emissive display 110 having a first under-display sensor 702-1 and a second under-display sensor 702-2. The underdisplay sensors 702-1, 702-2 may include an electromagnetic-radiating component configured to transmit an output signal as discussed herein. The first under-display sensor 702-1 and the second under-display sensor 702-2 are positioned at different locations of the emissive display 110 as illustrated in FIG. 7-1. The first and second under-display sensors 702-1, 702-2 cover different portions of an image 604 displayed on the emissive display 110. As such, display properties (e.g., gray content, OPR. luminance. DBV) of a first portion of pixels 704-1 adjacent to the first underdisplay sensor 702-1 may differ from display properties of a second portion of pixels 704-2 adjacent to the second under-display sensor 702-2. The driving scheme 700 may use the display properties of the pixels adjacent to the under-display sensors 702-1, 702-2 to determine which under-display sensor 702-1, 702-2 to activate and to deactivate the portion of pixels 704-1, 704-2 of the emissive display 110 corresponding to the activated under-display sensor 702-1. 702-2.

[0049] In an implementation, the gray content of the first portion of pixels 704-1 emitting light may be compared to the gray content of the second portion of pixels 704-2 emitting light. A processor 104 (e g., a GPU) of the electronic device 102 may compare the gray content prior to content being rendered on the emissive display 110, as the content is rendered on the emissive display 110, or after the content has been rendered on the emissive display 110. In one implementation, another component (e.g., DDIC 112) of the electronic device 102 may compare the gray content. Again, the comparison may be done prior to content being rendered on the emissive display 110, as the content is rendered on the emissive display 110. or after the contenthas been rendered on the emissive display 110. The driving scheme 700 may deactivate the portion of pixels, between the first portion of pixels 704-1 and the second portion of pixels 704- 2, that has the lowest gray content. The driving scheme 700 may activate an electromagnetic- radiating component of the under-display sensor 702-1. 702-2 that corresponds to the portion of pixels 704-1. 704-2 that was deactivated. Likewise, the corresponding under-display sensor 702- 1, 702-2 may be activated by the driving scheme 700 to capture a receipt signal from an output signal of the electromagnetic-radiating component.

[0050] In an additional implementation, the OPR of the first portion of pixels 704-1 emitting light may be compared to the OPR of the second portion of pixels 704-2 emitting light. The driving scheme 700 may deactivate the portion of pixels, between the first portion of pixels 704-1 and the second portion of pixels 704-2, that has the lowest OPR. The driving scheme 700 may activate an electromagnetic-radiating component of the under-display sensor 702-1, 702-2 that corresponds to the portion of pixels 704-1, 704-2 that was deactivated. Likewise, the corresponding under-display sensor 702-1, 702-2 may be activated by the driving scheme 700 to capture a receipt signal from an output signal of the electromagnetic-radiating component.

[0051] In an implementation, the DBV of the first portion of pixels 704-1 emitting light may be compared to the DBV of the second portion of pixels 704-2 emitting light. The driving scheme 700 may deactivate the portion of pixels, between the first portion of pixels 704-1 and the second portion of pixels 704-2, that has the lowest DBV. The driving scheme 700 may activate an electromagnetic-radiating component of the under-display sensor 702-1, 702-2 that corresponds to the portion of pixels 704-1, 704-2 that was deactivated. Likewise, the corresponding under-display sensor 702-1, 702-2 may be activated by the driving scheme 700 to capture a receipt signal from an output signal of the electromagnetic-radiating component.

[0052] In yet another implementation, the luminance of the first portion of pixels 704-1 emitting light may be compared to the luminance of the second portion of pixels 704-2 emitting light. The driving scheme 700 may deactivate the portion of pixels, between the first portion of pixels 704-1 and the second portion of pixels 704-2, that has the lowest luminance. The driving scheme 700 may activate an electromagnetic-radiating component of the under-display sensor 702-1, 702-2 that corresponds to the portion of pixels 704-1, 704-2 that was deactivated. Likewise, the corresponding under-display sensor 702-1, 702-2 may be activated by the driving scheme 700 to capture a receipt signal from an output signal of the electromagnetic-radiating component.

[0053] The number, size, location, and configuration of the under-display sensors (e.g., under-display sensor 702-1, under-display sensor 702-2) are shown in FIG. 7-1 for illustrative purposes and may be varied as w ould be appreciated by one of ordinary skill in the art having thebenefit of this disclosure. For example, the under-display sensors (e.g., under-display sensor 702- 1, under-display sensor 702-2) may both be located in an upper portion of the emissive display 110, one under-display sensor may be located in an upper portion of the emissive display 110 and the other may be located in a lower portion of the emissive display 110, or the under-display sensors (e.g.. under-display sensor 702-1. under-display sensor 702-2) may both be located in a lower portion of the emissive display 110. In an implementation, the under-display sensors (e.g., under-display sensor 702-1, under-display sensor 702-2) may be positioned an equivalent distance from a top edge of the emissive display 110.

[0054] FIG. 7-2 illustrates an example driving scheme 700 for an emissive display 110 having a first under-display sensor 702-1, a second under-display sensor 702-2, and athird underdisplay sensor 702-3. The under-display sensors 702-1, 702-2, 702-3 may include an electromagnetic-radiating component configured to transmit an output signal as discussed herein. The first under-display sensor 702-1, the second under-display sensor 702-2, and the third underdisplay sensor 702-3 are positioned at different locations of the emissive display 110 as illustrated in FIG. 7-2. Each of the under-display sensors 702-1, 702-2, 702-3 covers different portions of an image 604 displayed on the emissive display 110. As such, display properties (e.g., gray content, OPR, luminance, DBV) of a first portion of pixels 704-1 adjacent to the first underdisplay sensor 702-1, display properties of a second portion of pixels 704-2 adjacent to the second under-display sensor 702-2, and display properties of a third portion of pixels 704-3 adjacent to the third under-display sensor 702-3 may differ from each other. The driving scheme 700 may use the display properties of the pixels 704-1, 704-2, 704-3 adjacent to the under-display sensors 702-1, 702-2, 702-3 to determine which under-display sensors 702-1, 702-2, 702-3 to activate and to deactivate the portion of pixels 704-1, 704-2, 704-3 of the emissive display 110 corresponding to the activated under-display sensors 702-1, 702-2, 702-3.

[0055] In an implementation, the driving scheme 700 may compare the display properties (e.g., OPR, gray content, DBV, luminance) of each portion of pixels 704-1, 704-2, 704-3 adjacent to the three under-display sensors 702-1, 702-2, 702-3. The driving scheme 700 may be configured to activate the two under-display sensors that correspond to the two portions of pixels having the two lowest display properties out of the three portions of pixels 704-1, 704-2, 704-3. For example, the driving scheme 700 may determine that the first portion of pixels 704-1 and the third portion of pixels 704-3 have the two lowest display properties out of the three portions of pixels (704-1, 704-2, 704-3). Based on the comparison, the driving scheme 700 would activate the first under-display sensor 702-1 and the third under-display sensor 702-3 while deactivating the first portion of pixels 704-1 and the third portion of pixels 704-3.

[0056] The number, size, location, and configuration of the under-display sensors (e.g., under-display sensor 702-1, under-display sensor 702-2, under-display sensor 702-3) are shown in FIG. 7-2 for illustrative purposes and may be varied as would be appreciated by one of ordinary skill in the art having the benefit of this disclosure. For example, the under-display sensors (e.g., under-display sensor 702-1, under-display sensor 702-2, under-display sensor 702-3) may each be located in an upper portion of the emissive display 110, the under-display sensors (e.g., underdisplay sensor 702-1, under-display sensor 702-2, under-display sensor 702-3) may each be located in a lower portion of the emissive display 110, or the under-display sensors (e g., underdisplay sensor 702-1, under-display sensor 702-2. under-display sensor 702-3) may be vertically arrayed on the emissive display 110.

[0057] FIG. 8 illustrates example graphs of an example driving scheme 800 for an emissive display. The driving scheme 800 comprises an activation signal and a waveform shown on a graph 800-1 with a first axis. 802, that is an amplitude of the waveform and with a second axis, 804, that is time. The waveform has two or more states including a high state 808-1 and a low state 808-2. The waveform is configured to activate the emissive display during the high state 808-1 and deactivate the emissive display during the low state 808-2. The waveform has a duration 806-1 between high states 808-1.

[0058] A graph 800-2 shows a portion of the wavefonn that has been pulse-amplitude modulated. The pulse-amplitude modulated waveform has a high state 810-1 and a low state 810-2. The high state 810-1 of the pulse-amplitude modulated waveform has a higher amplitude than the amplitude of the high state 808-1 of the unmodulated portion of the waveform. The pulseamplitude modulated waveform has a duration 806-2 between high states 810-1. The duration 806-2 of the pulse-amplitude modulated waveform is longer than the duration 806-1 of the unmodulated portion of the waveform, which is why the high state 810-1 of the pulse-amplitude modulated waveform has a higher amplitude than the amplitude of the high state 808-1 of the unmodulated portion of the waveform. The pulse-amplitude modulated waveform is transmitted to deactivate a portion of the pixels of an emissive display that correspond, or are proximate, to an under-display sensor. The driving scheme 800 activates the under-display sensor at the same time the pulse-amplitude modulated waveform deactivates the pixels adjacent or proximate to the under-display sensor. Upon activation of the under-display sensor, an output signal is generated by an electromagnetic-radiating component corresponding to the under-display sensor. A receipt signal, which may be a reflection of the output signal, may be received by the under-display sensor.

[0059] The modulated portion of the waveform may be effective to deactivate the plurality of pixels proximate to the under-display sensor and the unmodulated portion of the waveform may be effective to deactivate the remaining pixels of the emissive display. Pulse-width modulationand pulse-amplitude modulation of the waveform may be performed simultaneously. The size, location, duration, and shape of the high states 808-1, 810-1 and low states 808-2, 810-2 are shown in FIG. 8 for illustrative purposes and may be varied as would be appreciated by one of ordinary skill in the art having the benefit of this disclosure.Example Methods

[0060] Example methods are described below with reference to the flow charts of FIG. 9, FIG. 10, FIG. 11, and FIG. 12. Although example method aspects are described separately below, they may be implemented together in any combination or permutation.

[0061] FIG. 9 is a flow chart that illustrates a method 900 for applying a driving scheme to an emissive display and at least one under-display sensor. At step 902, a driving scheme is applied to (i) an emissive display having a plurality of pixels and (ii) and at least one under-display sensor. The driving scheme including an activation signal and a deactivation signal. For example, a driving scheme is applied to an emissive display (e.g., emissive display 110) and at least one under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3).

[0062] At step 904, at least one portion of pixels of the plurality of pixels in the emissive display are deactivated. For example, at least one portion of pixels (e.g., pixels 406, 606, 608, 610, 612. 614, 616, 704-1. 704-2, 704-3) in the emissive display (e.g., emissive display 110) are deactivated.

[0063] At step 906, at least one electromagnetic-radiating component associated with the at least one under-display sensor is activated sufficient to generate at least one output signal. The electromagnetic-radiating component is disposed at a position that substantially corresponds to a location of the portion of pixels of the plurality of pixels that are deactivated. For example, at least one electromagnetic-radiating component (e.g., electromagnetic-radiating component 504) associated with an under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3) is activated to generate at least one output signal.

[0064] At step 908, at least one receipt signal that is a reflection of the output signal is captured using the at least one under-display sensor. For example, at least one receipt signal, which is a reflection of an output signal from an electromagnetic-radiating component (e.g., electromagnetic-radiating component 504), is captured by an under-display sensor (e.g., under-display sensor 108, 402. 502, 602, 702-1, 702-2, 702-3).

[0065] FIG. 10 is a flow chart that illustrates a method 1000 of a driving scheme. At step 1002, a first display property of a first location of a first portion of pixels emitting light is compared to a second display property' of a second location of a second portion of pixels emitting light. For example, a first display property (e.g., luminance, gray content, DBV, OPR) of a firstlocation of a first portion of pixels (e.g., first portion of pixels 704-1) emitting light is compared to a second display property (e.g., luminance, gray content, DBV, OPR) of a second location of a second portion of pixels (e.g., second portion of pixels 704-2).

[0066] At step 1004, based on the comparison, pixels of at least one of the first portion of pixels and the second portion of pixels are deactivated based on having a lower display property between the first display property and the second display property. For example, if the display property (e.g., luminance, gray content, DBV, OPR) of the first portion of pixels (e.g., first portion of pixels 704-1) is determined to be lower than the display property' (e.g., luminance, gray content, DBV, OPR) of the second portion of pixels (e.g.. second portion of pixels 704-2), then the first portion of pixels (e.g., first portion of pixels 704-1) are deactivated.

[0067] At step 1006, an electromagnetic-radiating component, associated with the deactivated at least one portion of pixels, is activated. For example, an electromagnetic-radiating component associated with an under-display sensor (e.g., under-display sensor 702-1) that is associated with the deactivated portion of pixels (e.g., first portion of pixels 704-1) is activated.

[0068] At step 1008, a receipt signal, from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels, is captured. For example, a receipt signal from an electromagnetic-radiating component is captured, the electromagnetic-radiating component being associated with the under-display sensor (e.g., under-display sensor 702-1) that is proximate to the portion of pixels (e.g., first portion of pixels 704-1) that have been deactivated.

[0069] FIG. 11 illustrates an example flow chart for a method 1100 of applying a driving scheme to an emissive display and at least one under-display sensor.

[0070] At step 1102, a driving scheme is applied to (i) an emissive display having a plurality of rows of pixels and (ii) at least one under-display sensor. The driving scheme including an activation signal and a deactivation signal. For example, a driving scheme is applied to an emissive display (e.g., emissive display 110) that has a plurality' of rows of pixels (e.g., rows of pixels 606, 608, 610, 612, 614, 616) and at least one under-display sensor (e.g., 108, 402, 502, 602, 702-1. 702-2, 702-3).

[0071] At step 1104, a portion of the rows of pixels in the emissive display are deactivated. For example, the deactivation signal deactivates aportion ofthe rows of pixels (e.g., rows ofpixels 606, 608, 610, 612, 614, 616) in the emissive display (e g., emissive display 110).

[0072] At step 1106, an electromagnetic-radiating component associated with the at least one under-display sensor is activated, in response to an activation signal, sufficient to generate an output signal. The electromagnetic-radiating component is disposed at a location that substantially corresponds to a location of the portion of the rows of pixels of the plurality' of rows of pixels that are deactivated. For example, an electromagnetic-radiating component (e.g.,electromagnetic-radiating component 504) that is associated with an under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3) is activated in response to an activating signal. The electromagnetic-radiating component (e.g., electromagnetic-radiating component 504) generates an output signal and the electromagnetic-radiating component (e.g., electromagnetic-radiating component 504) is disposed at a location that substantially corresponds to a location of the portion of the rows of pixels of the plurality of rows of pixels (e g., rows of pixels 606, 608, 610, 612, 614, 616) that have been deactivated by the deactivation signal.

[0073] At step 1108, a receipt signal, which is a reflection of the output signal, is captured using the at least one under-display sensor. For example, at least one under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3) captures a reflection of the output signal that is generated by the electromagnetic-radiating component (e.g., electromagnetic-radiating component 504).

[0074] At optional step 1110, a first portion of rows of pixels that extend across the at least one under-display sensor are deactivated, for a first frame, and a second portion of the rows of pixels that extend across the at least one under-display sensor are activated for the first frame. For example, a plurality of rows of pixels (e.g., rows of pixels 606, 608) extend across an underdisplay sensor (e g., under-display sensor 602). A first portion of the rows of pixels (e.g., rows of pixels 606) are deactivated, for a first frame, and a second portion of the rows of pixels (e.g., rows of pixels 608) are activated for the first frame. The electromagnetic-radiating component associated with the at least one under-display sensor may be activated, in response to an activation signal, sufficient to generate the output signal during the first frame.

[0075] At optional step 1112, the first portion of rows of previously-deactivated pixels that extend across the at least one under-display sensor are activated, for a second frame, and the second portion of rows of previously-activated pixels that extend across the at least one underdisplay sensor are deactivated for the second frame. For example, a plurality of rows of previously-deactivated pixels (e.g., rows of pixels 606) that extend across the under-display sensor (e.g., under-display sensor 602) are activated for a second frame. Likewise, the second portion of the row's of previously-activated pixels (e.g., rows of pixels 608) that extend across the underdisplay sensor (e.g., under-display sensor 60) are deactivated for the second frame. The electromagnetic-radiating component associated with the at least one under-display sensor may remain activated during the second frame.

[0076] FIG. 12 illustrates an example flow chart for a method 1200 of applying a driving scheme to an emissive display and at least one under-display sensor. At step 1202, a driving scheme is applied to (i) an emissive display having a plurality7of pixels and (ii) at least one underdisplay sensor. The driving scheme including an activation signal and, for one or more portionsof the emissive display a waveform with two or more states including a high state and a low state. The waveform is configured to activate the emissive display during the high state and deactivate the emissive display during the low state. For example, a driving scheme is applied to an emissive display (e.g., emissive display 110) that has a plurality of pixels (e.g., pixels 406, 606. 608, 610, 612, 614, 616. 704-1, 704-2, 704-3) and at least one under-display sensor (e.g., 108. 402, 502, 602, 702-1, 702-2, 702-3). The driving scheme includes an activation signal and a waveform (e.g., waveform graph 800-1) having two or more states including a high state (e.g., high state 808-1) and a low' state (e.g., low state 808-2). The waveform is configured to deactivate the emissive display (e.g., emissive display 110) during the low state (e.g., low state 808-2).

[0077] At step 1204, a pulse-amplitude modulation is performed on a portion of the waveform that is transmitted to one or more pixels of the plurality of pixels, the one or more pixels having a location corresponding to an electromagnetic-radiating component associated with the at least one under-display sensor. For example, pulse-amplitude modulation is performed on a portion of the waveform (e.g., waveform graph 800-2) that is transmitted to one or more pixels of the plurality of pixels (e.g., pixels 406, 606, 608, 610, 612, 614, 616, 704-1, 704-2, 704-3) of the emissive display (e.g., emissive display 110).

[0078] At step 1206, the pulse-amplitude modulated waveform is transmitted effective to deactivate at least a portion of the plurality of pixels of the emissive display. For example, the pulse-amplitude modulated waveform (e.g., waveform graph 800-2) is transmitted to deactivate at least a portion of the plurality of pixels (e.g., pixels 406, 606, 608, 610, 612, 614, 616, 704-1, 704-2, 704-3) of the emissive display (e.g., emissive display 110).

[0079] At step 1208, the electromagnetic-radiating component associated with the at least one under-display sensor is activated sufficient to generate an output signal. For example, the electromagnetic-radiating component (e g., electromagnetic-radiating component 504) that is associated with an under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3) is activated to generate an output signal.

[0080] At 1210, in response to the activation of the electromagnetic-radiating component, a receipt signal is captured, the receipt signal being a reflection of the output signal, using the at least one under-display sensor. For example, the under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3) captures a receipt signal, the receipt signal being a reflection of the output signal generated by the electromagnetic-radiating component (e.g., electromagnetic-radiating component 504) that is associated with the under-display sensor (e.g., under-display sensor 108, 402, 502, 602, 702-1, 702-2, 702-3).

[0081] At optional step 1212, the pulse-amplitude modulated waveform is effective to deactivate the at least the portion of the pixels of the emissive display for a duration longer than aremaining portion of the plurality of pixels of the display are deactivated. For example, the pulseamplitude modulated waveform (e.g., waveform graph 800-2) is effective to deactivate the at least the portion of the pixels of the emissive display (e.g., emissive display 110) for a first duration (e.g., duration 806-2). The first duration (e.g., duration 806-2) is longer than a second duration (e.g.. duration 806-1) that the waveform (e.g.. waveform graph 800-1) deactivates remaining pixels of the emissive display (e.g., emissive display 110).

[0082] For the methods described herein and the associated flow chart(s) and flow diagram(s), the orders in which operations are shown and / or described are not intended to be construed as a limitation. Instead, any number or combination of the described method operations can be combined in any order to implement a given method or an alternative method, including by combining operations from the flow chart or diagram and the earlier-described schemes and techniques into one or more methods. Operations may also be omitted from or added to the described methods. Further, described operations can be implemented in fully or partially overlapping manners.Example Aspects and Implementations of a Driving Scheme for Under-Display Sensors

[0083] In the following, some example aspects and implementations are described:

[0084] Example aspect 1. A method comprising: applying a driving scheme to (i) an emissive display having a plurality of pixels and (ii) at least one under-display sensor, the driving scheme comprising an activation signal and a deactivation signal; deactivating, in accordance with the applied driving scheme and in response to the deactivation signal received at the emissive display, at least one portion of pixels of the plurality’ of pixels in the emissive display; activating, in accordance with the applied dnving scheme and in response to the activation signal received at the at least one under-display sensor, at least one electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate at least one output signal, the electromagnetic-radiating component disposed at a position that substantially corresponds to a location of the portion of pixels of the plurality of pixels that are deactivated; and capturing, in accordance with the applied driving scheme and in response to the activation signal received at the at least one under-display sensor, at least one receipt signal that is a reflection of the output signal using the at least one under-display sensor.

[0085] Example aspect 2. The method of example aspect 1 , wherein the at least one underdisplay sensor comprises a first under-display sensor and second under-display sensor, the at least one portion of pixels comprises a first portion of pixels and a second portion of pixels, the at least one electromagnetic-radiating component comprises a first electromagnetic-radiating component and a second electromagnetic-radiating component, the at least one output signal comprises a firstoutput signal and a second output signal, and the at least one receipt signal comprises a first receipt signal and a second receipt signal, and wherein: the first portion of pixels and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels: and the second portion of pixels and the second electromagnetic- radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic-radiating component substantially corresponding to a second location of the second portion of pixels.

[0086] Example aspect 3. The method of example aspect 2, further comprising: comparing a first gray content of the first location of the first portion of pixels emitting light to a second gray content of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower gray content between the first gray content and the second gray content; activating the electromagnetic-radiating component comprises activating the electromagnetic- radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

[0087] Example aspect 4. The method of example aspect 2, further comprising: comparing a first luminance of the first location of the first portion of pixels emitting light to a second luminance of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower luminance between the first luminance and the second luminance; activating the electromagnetic-radiating component comprises activating the electromagnetic- radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

[0088] Example aspect 5. The method of example aspect 2. further comprising: comparing a first on-pixel ratio (OPR) of the first location of the first portion of pixels emitting light to a second OPR of the second location of the second portion of pixels emitting light, and wherein deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixelsbased on having a lower OPR between the first OPR and the second OPR; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

[0089] Example aspect 6. The method of example aspect 2, further comprising: comparing a first display brightness value (DBV) of the first location of the first portion of pixels emitting light to a second DBV of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower DBV between the first DBV and the second DBV; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

[0090] Example aspect 7. The method of example aspect 1 , wherein the at least one underdisplay sensor comprises a first under-display sensor, a second under-display sensor, and a third under-display sensor, the at least one portion of pixels comprises a first portion of pixels, a second portion of pixels, and a third portion of pixels, the at least one electromagnetic-radiating component comprises a first electromagnetic-radiating component, a second electromagnetic- radiating component, and a third electromagnetic-radiating component, the at least one output signal comprises a first output signal, a second output signal, and a third output signal, and the at least one receipt signal comprises a first receipt signal, a second receipt signal, and a third receipt signal, and wherein: the first portion of pixels and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels; the second portion of pixels and the second electromagnetic-radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic-radiating component substantially corresponding to a second location of the second portion of pixels; and the third portion of pixels and the third electromagnetic-radiating component are associated with the third under-display sensor, the third electromagnetic-radiating component configured to generate the third output signal, a third position of the third electromagnetic-radiating component substantially corresponding to a third location of the third portion of pixels.

[0091] Example aspect 8. The method of example aspect 7, further comprising: comparing a first gray content of the first location of the first portion of pixels emitting light to a second gray content of the second location of the second portion of pixels emitting light and a third gray content of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on the at least two portions of pixels having the two lowest gray content between the first gray content, the second gray content, and the third gray content; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels: and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

[0092] Example aspect 9. The method of example aspect 7. further comprising: comparing a first luminance of the first location of the first portion of pixels emitting light to a second luminance of the second location of the second portion of pixels emitting light and a third luminance of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on having a two lowest luminances between the first luminance, the second luminance, and the third luminance; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

[0093] Example aspect 10. The method of example aspect 7, further comprising: comparing a first on-pixel ratio (OPR) of the first location of the first portion of pixels emitting light to a second OPR of the second location of the second portion of pixels emitting light and a third OPR of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on having a two lowest OPRs between the first OPR, the second OPR, and the third OPR; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from theelectromagnetic-radiating components associated with the deactivated at least two portions of pixels.

[0094] Example aspect 11. The method of example aspect 7, further comprising: comparing a first display brightness value (DBV) of the first location of the first portion of pixels emitting light to a second DBV of the second location of the second portion of pixels emitting light and a third DBV of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on having a two lowest DBVs between the first DBV. the second DBV, and the third DBV; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

[0095] Example aspect 12. The method of any of example aspects 1 to 11, wherein the at least one under-display sensor comprises at least one of a proximity' sensor, an imaging sensor, or an electromagnetic sensor.

[0096] Example aspect 13. The method of any’ of example aspects 4 to 12, further comprising: increasing an amplitude of the output signal of the electromagnetic-radiating component.

[0097] Example aspect 14. A non-transitory computer-readable memory storing instructions, which, when executed by one or more processors, cause the one or more processors to execute any one of the methods of example aspects 1 to 14.

[0098] Example aspect 15. An apparatus configured to perform a method of any one of example aspects 1 to 14.

[0099] Example aspect 16. A method comprising: applying a driving scheme to (i) an emissive display having a plurality of rows of pixels and (ii) at least one under-display sensor, the driving scheme comprising an activation signal and a deactivation signal; deactivating, in accordance with the applied driving scheme and in response to the deactivation signal received at the emissive display, a portion of the rows of pixels of the plurality of rows of pixels in the emissive display; activating, in accordance with the applied driving scheme and in response to the activation signal received at the at least one under-display sensor, an electromagnetic-radiating component associated with the at least one under-display’ sensor sufficient to generate an output signal, the electromagnetic-radiating component disposed at a location that substantially corresponds to a location of the portion of the rows of pixels of the plurality of rows of pixels thatare deactivated; and capturing, in accordance with the applied driving scheme and in response to the activation signal received at the at least one under-display sensor, a receipt signal that is a reflection of the output signal using the at least one under-display sensor.

[0100] Example aspect 17. The method of example aspect 16. wherein deactivating the portion of the rows of pixels comprises deactivating, for a first frame, odd rows of pixels of the plurality of rows of pixels and activating, for the first frame, even rows of pixels of the plurality of rows of pixels.

[0101] Example aspect 18. The method of example aspect 17, wherein deactivating the portion of the rows of pixels comprises activating, for a second frame, the previously-deactivated odd rows of pixels of the plurality of rows of pixels and deactivating, for the second frame, previously-activated even rows of pixels of the plurality' of rows of pixels.

[0102] Example aspect 19. The method of example aspect 16, wherein deactivating the portion of the rows of pixels comprises deactivating, for a first frame, two rows out of every’ three rows of pixels of the plurality of rows of pixels and activating, for the first frame, a remaining row out of every three rows of pixels of the plurality of rows of pixels.

[0103] Example aspect 20. The method of example aspect 19, wherein deactivating the portion of the rows of pixels comprises activating, at a second frame, the previously-deactivated two rows out of every three rows of pixels of the plurality’ of rows of pixels and deactivating, for the second frame, the previously-activated remaining row out of every three rows of pixels of the plurality of rows of pixels.

[0104] Example aspect 21. The method of example aspect 16, wherein deactivating the portion of the rows of pixels comprises deactivating, for a first frame, three rows out of every four rows of pixels of the plurality of rows of pixels and activating, for the first frame, a remaining row out of every four rows of pixels of the plurality of rows of pixels.

[0105] Example aspect 22. The method of example aspect 21, wherein deactivating the portion of the rows of pixels comprises activating, for a second frame, the previously-deactivated three rows out of every four rows of pixels of the plurality of rows of pixels and deactivating, for the second frame, the previously-activated remaining row out of every four rows of pixels of the plurality of rows of pixels.

[0106] Example aspect 23. The method of any of example aspects 16 to 22, wherein the at least one under-display sensor comprises at least one of a proximity sensor, an imaging sensor, or an electromagnetic sensor.

[0107] Example aspect 24. A non-transitory computer-readable memory storing instructions, which, when executed by one or more processors, cause the one or more processors to execute any one of the methods of example aspects 16 to 22.

[0108] Example aspect 25. An apparatus configured to perform a method of any one of example aspects 16 to 22.

[0109] Example aspect 26. A method comprising: applying a driving scheme to (i) an emissive display having a plurality of pixels and (ii) at least one under-display sensor; the driving scheme comprising an activation signal and, for one or more portions of the emissive display a waveform with two or more states including a high state and a low state, the waveform configured to activate the emissive display during the high state and deactivate the emissive display during the low state; performing a pulse-amplitude modulation on a portion of the waveform that is transmitted to one or more pixels of the plurality of pixels, the one or more pixels having a location corresponding to an electromagnetic-radiating component; transmitting the pulse-amplitude modulated waveform effective to deactivate at least a portion of the plurality of pixels of the emissive display; activating, in accordance with the applied driving scheme and in response to an activation signal received at the at least one under-display sensor, the electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate an output signal; and capturing, in accordance with the applied driving scheme and in response to the activation of the electromagnetic-radiating component, a receipt signal that is a reflection of the output signal using the at least one under-display sensor.

[0110] Example aspect 27. The method of example aspect 26. wherein transmitting the pulse-amplitude modulated waveform deactivates the plurality of pixels of the emissive display.

[0111] Example aspect 28. The method of example aspect 27, wherein the pulseamplitude modulated waveform is effective to deactivate the at least the portion of the emissive display for a duration longer than a duration of a remaining portion of the plurality of pixels of the display.

[0112] Example aspect 29. The method of example aspect 28, wherein the at least the portion of the emissive display deactivated for the longer duration is the one or more pixels having the location corresponding to the electromagnetic-radiating component.

[0113] Example aspect 30. The method of example aspect 29, wherein performing the pulse-width modulation and performing the pulse-amplitude modulation are performed simultaneously.

[0114] Example aspect 31. The method of any of example aspects 26-30, wherein the at least one under-display sensor comprises at least one of a proximity sensor, an imaging sensor, or an electromagnetic sensor.

[0115] Example aspect 32. A non-transitory computer-readable memory storing instructions, which, when executed by one or more processors, cause the one or more processors to execute any one of the methods of example aspects 26 to 30.

[0116] Example aspect 33. An apparatus configured to perform a method of any one of example aspects 26 to 30.

[0117] Example aspect 34. An electronic device comprising: an emissive display having a plurality of pixels; at least one under-display sensor; at least one electromagnetic-radiating component associated with the at least one under-display sensor sufficient to generate at least one output signal; and a driving scheme configured to: (i) provide a deactivation signal to the emissive display to deactivate a portion of pixels of the plurality; and (ii) an activation signal to the at least one under-display sensor to activate the at least one electromagnetic-radiating component to generate the at least one output signal, the at least one electromagnetic-radiating component disposed at a location of the portion of pixels deactivated by the deactivation signal and the at least one under-display sensor configured to capture at least one reflection of the output signal.

[0118] Example aspect 35. The electronic device of example aspect 34, wherein the plurality of pixels comprises a plurality of rows of pixels, wherein a portion of the plurality of rows of pixels extends across the electromagnetic-radiating component.

[0119] Example aspect 36. The electronic device of example aspect 35, wherein the deactivation signal is configured to, for a first frame, deactivate odd rows of pixels that extend across the electromagnetic-radiating component and activate, for the first frame, even rows of pixels that extend across the electromagnetic-radiating component.

[0120] Example aspect 37. The electronic device of example aspect 36, wherein the deactivation signal is configured to activate, for a second frame, the previously -deactivated odd rows of pixels that extend across the electromagnetic-radiating component and deactivate, for the second frame, the previously-activated even rows of pixels that extend across the electromagnetic- radiating component.

[0121] Example aspect 38. The electronic device of example aspect 35, wherein the deactivation signal is configured to deactivate, for a first frame, two rows out of every three rows of pixels that extend across the electromagnetic-radiating component and activate, for the first frame, a remaining row out of every three rows of pixels that extend across the electromagnetic- radiating component.

[0122] Example aspect 39. The electronic device of example aspect 38, wherein the deactivation signal is configured to activate, for a second frame, the previously-deactivated two rows out of every three rows of pixels that extend across the electromagnetic-radiating component and deactivate, for the second frame, the previously-activated remaining row out of every three rows of pixels that extend across the electromagnetic-radiating component.

[0123] Example aspect 40. The electronic device of example aspect 35, wherein the deactivation signal is configured to deactivate, for a first frame, three rows out of every four rowsof pixels that extend across the electromagnetic-radiating component and activate, for the first frame, a remaining row out of every four rows of pixels that extend across the electromagnetic- radiating component.

[0124] Example aspect 41. The electronic device of example aspect 40, wherein the deactivation signal is configured to activate, for a second frame, the previously-deactivated three rows out of ever}’ four rows of pixels that extend across the electromagnetic-radiating component and deactivate, for the second frame, the previously-activated remaining row out of every four rows of pixels that extend across the electromagnetic-radiating component.

[0125] Example aspect 42. The electronic device of example aspect 34, wherein the at least one under-display sensor comprises a first under-display sensor and a second under-display sensor, the portion of pixels comprises a first portion of pixels and a second portion of pixels, the at least one electromagnetic-radiating component comprises a first electromagnetic-radiating component and a second electromagnetic-radiating component, the at least one output signal comprises a first output signal and a second output signal, and the at least one reflection comprises a first reflection and a second reflection, and wherein: the first under-display7sensor and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels; and the second under-display sensor and the second electromagnetic- radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic-radiating component substantially corresponding to a second location of the second portion of pixels.

[0126] Example aspect 43. The electronic device of example aspect 42, wherein the first under-display sensor, the first electromagnetic-radiating component, the second under-display sensor, and the second electromagnetic-radiating component are located within an upper portion of the emissive display.

[0127] Example aspect 44. The electronic device of example aspect 42, wherein the driving scheme is configured to: determine a first display property’ of the first portion of pixels and a second display property' of the second portion of pixels; and compare the first display property to the second display property, wherein the deactivation signal to deactivate the portion of pixels is based on the comparison of the first display property to the second display property7.

[0128] Example aspect 45. The electronic device of example aspect 44, wherein the first display property7and the second display property' comprise at least one of gray content, luminance, on-pixel ratio, or display brightness value.

[0129] Example aspect 46. The electronic device of example aspect 34, wherein the at least one under-display sensor comprises a first under-display sensor, a second under-display sensor, and a third under-display sensor, the portion of pixels comprises a first portion of pixels, a second portion of pixels, and a third portion of pixels, the at least one electromagnetic-radiating component comprises a first electromagnetic-radiating component, a second electromagnetic- radiating component, and a third electromagnetic-radiating component, the at least one output signal comprises a first output signal, a second output signal, and a third output signal, and the at least one reflection comprises a first reflection, a second reflection, and a third reflection, and wherein: the first under-display sensor and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels; the second under-display sensor and the second electromagnetic-radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic-radiating component substantially corresponding to a second location of the second portion of pixels; and the third under-display sensor and the third electromagnetic-radiating component are associated with the third under-display sensor, the third electromagnetic-radiating component configured to generate the third output signal, a third position of the third electromagnetic-radiating component substantially corresponding to a third location of the third portion of pixels.

[0130] Example aspect 47. The electronic device of example aspect 46, wherein the first under-display sensor, the first electromagnetic-radiating component, the second under-display sensor, the second electromagnetic-radiating component, the third under-display sensor, and the third electromagnetic-radiating component are located within an upper portion of the emissive display.

[0131] Example aspect 48. The electronic device of example aspect 46, wherein the driving scheme is configured to: determine a first display property of the first portion of pixels, a second display property of the second portion of pixels, and a third display property of the third portion of pixels; and compare the first display property, the second display property, and the third display property, wherein the deactivation signal to deactivate the portion of pixels is based on the comparison of the first display property’, the second display property, and the third display property.

[0132] Example aspect 49. The electronic device of example aspect 48, wherein the first display property’, the second display property’, and the third display property comprise at least one of gray content, luminance, on-pixel ratio, or display brightness value.

[0133] Example aspect 50. The electronic device of example aspect 34, wherein the deactivation signal comprises a waveform, a portion of the waveform being pulse-amplitude modulated.

[0134] Example aspect 51. The electronic device of example aspect 50, wherein the pulseamplitude modulated portion of the waveform deactivates the portion of pixels of the emissive display for a first duration.

[0135] Example aspect 52. The electronic device of example aspect 51, wherein the waveform deactivates a remaining portion of pixels of the emissive display for a second duration, the second duration being less than the first duration.

[0136] Example aspect 53. The electronic device of any of example aspects 34-52, wherein the at least one under-display sensor comprises at least one of a proximity sensor, an imaging sensor, or an electromagnetic sensor.Conclusion

[0137] Unless context dictates otherwise, use herein of the word ’‘or” may be considered use of an “inclusive or,” or a term that permits inclusion or application of one or more items that are linked by the word “or” (e.g., a phrase “A or B” may be interpreted as permitting just “A,” as permitting just “B.” or as permitting both “A” and “B”). Also, as used herein, a phrase referring to “at least one of’ a list of items refers to any combination of those items, including single members. For instance, “at least one of a, b, or c” can cover a, b, c, a-b, a-c, b-c, and a-b-c, as well as any combination with multiples of the same element (e.g., a-a, a-a-a, a-a-b, a-a-c, a-b-b, a-c-c, b-b, b-b-b, b-b-c, c-c, and c-c-c. or any other ordering of a. b, and c). Further, items represented in the accompanying figures and terms discussed herein may be indicative of one or more items or terms, and thus reference may be made interchangeably to single or plural forms of the items and terms in this written description.

[0138] Terms such as “above,” “below,” or “underneath” are not intended to require any particular orientation of a device. Rather, a first layer or component being provided “above” a second layer or component is intended to describe the first layer being at a higher Z-dimension than the second layer or component within the particular coordinate system in use. It will be understood that should the component be provided in another orientation, or described in a different coordinate system, then such relative terms may be changed.

[0139] Although implementations for driving schemes for under-display sensors have been described in language specific to certain features and / or methods, the subject of the appended claims is not necessarily limited to the specific features or methods described. Rather, the specificfeatures and methods are disclosed as example implementations for driving schemes for underdisplay sensors.

Claims

CLAIMSWhat is claimed is:

1. A method comprising: applying a driving scheme to (i) an emissive display having a plurality of pixels and (ii) at least one under-display sensor, the driving scheme comprising an activation signal and a deactivation signal; deactivating, in accordance with the applied driving scheme and in response to the deactivation signal received at the emissive display, at least one portion of pixels of the plurality of pixels in the emissive display; activating, in accordance with the applied driving scheme and in response to the activation signal received at the at least one under-display sensor, at least one electromagnetic-radiating component associated with the at least one under-display sensor to generate at least one output signal, the electromagnetic-radiating component disposed at a position that substantially corresponds to a location of the portion of pixels of the plurality of pixels that are deactivated; and capturing, in accordance with the applied driving scheme and in response to the activation signal received at the at least one under-display sensor, at least one receipt signal that is a reflection of the output signal using the at least one under-display sensor.

2. The method of claim 1, wherein the at least one under-display sensor comprises a first under-display sensor and second under-display sensor, the at least one portion of pixels comprises a first portion of pixels and a second portion of pixels, the at least one electromagnetic- radiating component comprises a first electromagnetic-radiating component and a second electromagnetic-radiating component, the at least one output signal comprises a first output signal and a second output signal, and the at least one receipt signal comprises a first receipt signal and a second receipt signal, and wherein: the first portion of pixels and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels; and the second portion of pixels and the second electromagnetic-radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic- radiating component substantially corresponding to a second location of the second portion of pixels.

3. The method of claim 2, further comprising: comparing a first gray content of the first location of the first portion of pixels emitting light to a second gray content of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower gray content between the first gray content and the second gray content; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

4. The method of claim 2, further comprising: comparing a first luminance of the first location of the first portion of pixels emitting light to a second luminance of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower luminance between the first luminance and the second luminance; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

5. The method of claim 2, further comprising: comparing a first on-pixel ratio (OPR) of the first location of the first portion of pixels emitting light to a second OPR of the second location of the second portion of pixels emitting light, and wherein deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower OPR between the first OPR and the second OPR; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

6. The method of claim 2, further comprising: comparing a first display brightness value (DBV) of the first location of the first portion of pixels emitting light to a second DBV of the second location of the second portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least one of the first portion of pixels or the second portion of pixels based on having a lower DBV between the first DBV and the second DBV; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating component associated with the deactivated at least one portion of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating component associated with the deactivated at least one portion of pixels.

7. The method of claim 1, wherein the at least one under-display sensor comprises a first under-display sensor, a second under-display sensor, and a third under-display sensor, the at least one portion of pixels comprises a first portion of pixels, a second portion of pixels, and a third portion of pixels, the at least one electromagnetic-radiating component comprises a first electromagnetic-radiating component, a second electromagnetic-radiating component, and a third electromagnetic-radiating component, the at least one output signal comprises a first output signal, a second output signal, and a third output signal, and the at least one receipt signal comprises a first receipt signal, a second receipt signal, and a third receipt signal, and wherein: the first portion of pixels and the first electromagnetic-radiating component are associated with the first under-display sensor, the first electromagnetic-radiating component configured to generate the first output signal, a first position of the first electromagnetic-radiating component substantially corresponding to a first location of the first portion of pixels; the second portion of pixels and the second electromagnetic-radiating component are associated with the second under-display sensor, the second electromagnetic-radiating component configured to generate the second output signal, a second position of the second electromagnetic- radiating component substantially corresponding to a second location of the second portion of pixels; and the third portion of pixels and the third electromagnetic-radiating component are associated with the third under-display sensor, the third electromagnetic-radiating component configured to generate the third output signal, a third position of the third electromagnetic-radiating component substantially corresponding to a third location of the third portion of pixels.

8. The method of claim 7, further comprising: comparing a first gray content of the first location of the first portion of pixels emitting light to a second gray content of the second location of the second portion of pixels emitting light and a third gray content of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on the at least two portions of pixels having the two lowest gray content between the first gray content, the second gray content, and the third gray content; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

9. The method of claim 7, further comprising: comparing a first luminance of the first location of the first portion of pixels emitting light to a second luminance of the second location of the second portion of pixels emitting light and a third luminance of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on the at least two portions having the two lowest luminances between the first luminance, the second luminance, and the third luminance; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

10. The method of claim 7, further comprising: comparing a first on-pixel ratio (OPR) of the first location of the first portion of pixels emitting light to a second OPR of the second location of the second portion of pixels emitting light and a third OPR of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on the at least two portions having the two lowest OPRs between the first OPR, the second OPR, and the third OPR; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

11. The method of claim 7, further comprising: comparing a first display brightness value (DBV) of the first location of the first portion of pixels emitting light to a second DBV of the second location of the second portion of pixels emitting light and a third DBV of the third location of the third portion of pixels emitting light, and wherein: deactivating, based on the comparison, the at least one portion of pixels comprises deactivating the pixels of at least two of the first portion of pixels, the second portion of pixels, and the third portion of pixels based on having a two lowest DBVs between the first DBV, the second DBV, and the third DBV; activating the electromagnetic-radiating component comprises activating the electromagnetic-radiating components associated with the deactivated at least two portions of pixels; and capturing the receipt signal comprises capturing the receipt signal from the electromagnetic-radiating components associated with the deactivated at least two portions of pixels.

12. The method of any of claims 1 to 11, wherein the at least one under-display sensor comprises at least one of a proximity sensor, an imaging sensor, or an electromagnetic sensor.

13. The method of any of claims 4 to 12, further comprising: increasing an amplitude of the output signal of the electromagnetic-radiating component.

14. A non-transitory computer-readable memory storing instructions, which, when executed by one or more processors, cause the one or more processors to execute the method of any one claims 1 to 14.

15. An apparatus configured to perform a method of any one of claims 1 to 14.

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