Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: An example non-transitory machine-readable medium includes instructions that, when executed by a processor, cause the processor to analyze a video captured by a computing device to detect a sequence of motion in the video, and select an audio endpoint of the computing device based on the sequence of motion.

Abstract: The present disclosure is drawn to privacy films for electronic displays. In one example, a privacy film for an electronic display can include a louver film. The louver film can include: a plurality of high refractive index slats with a refractive index of about 1.5 to about 3 and having a trapezoidal cross section narrowing toward a viewer side of the louver film; and a plurality of low refractive index slats between the high refractive index slats, having a refractive index less than the refractive index of the high refractive index slats by about 0.1 to about 2. An electrophoretic ink can be optically associated with the low refractive index slats, including opaque particles that are electrically mobile to cause modification of light transmission therethrough. A first and second transparent electrode film can be on a viewer side and a rear side of the electrophoretic ink, respectively.

Abstract: An example device comprises: a camera; and a processor. The processor is to receive successive images from the camera. The processor is further to, in response to determining both that: there is a hand in a particular configuration in the successive images; and the hand in the particular configuration in the successive images is moving towards the camera: turn off the camera.

Abstract: An example of an apparatus is provided. The apparatus includes a display portion and a camera. In addition, the apparatus includes a thin film transistor substrate extending over the display portion and the camera. Furthermore, the apparatus includes an image generation layer disposed under the thin film transistor substrate within the display portion. Also, the apparatus includes a polymer dispersed liquid crystal disposed between the thin film transistor substrate and the camera. The polymer dispersed liquid crystal is to be switched between an opaque state and a clear state. The opaque state is to block the camera from receiving imaging light. The clear state allows light to pass through the polymer dispersed liquid crystal.

Abstract: A control circuit of a pixel-addressable display corrects a brightness of a pixel element of a pixel circuit of the display based on a curvature of a curvable area of the display. The control circuit selectively applies data line voltages to the pixel circuit. The pixel circuit applies a driving voltage to the pixel element based on the data line voltages.

Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: Apparatus, systems, articles of manufacture, and methods to provide battery cell rebalancing are disclosed. An example apparatus includes a first battery cell having a first size. The apparatus further includes a second battery cell having a second size different than the first size. The apparatus further includes a first variable resistor couplable to the first battery cell. The apparatus further includes a second variable resistor couplable to the second battery cell. The apparatus further includes a sensor to determine a first internal resistance of the first battery cell, and a second internal resistance of the second battery cell. The apparatus further includes an integrated circuit to adjust a first resistance of the first variable resistor and a second resistance of the second variable resistor based on the first internal resistance and the second internal resistance.

Abstract: A control circuit of a pixel-addressable display corrects a brightness of a pixel element of a pixel circuit of the display based on a curvature of a curvable area of the display. The control circuit selectively applies data line voltages to the pixel circuit. The pixel circuit applies a driving voltage to the pixel element based on the data line voltages.

Abstract: Example displays are disclosed that include a plurality of pixels, each pixel including a first sub-pixel and a set of second sub-pixels. In addition, the displays include a plurality of opaque structures aligned with the first sub-pixels, each opaque structure including a reflective surface to scatter light emitted from the first sub-pixels.

Abstract: An example device includes a light source, a liquid crystal layer, and an array of pixel electrodes disposed between the light source and the liquid crystal layer. The array of pixel electrodes is to control orientation of liquid crystal of the liquid crystal layer to modulate light incident from the light source to produce an image composed of pixels. The example device further includes an array of scattering electrodes to selectively influence orientation of liquid crystal of the liquid crystal layer to degrade contrast of selected pixels of the image.

Abstract: Example displays having transparent areas for cameras are disclosed. An example display has a first source line including a first portion composed of a first material and a second portion composed of a second material different than the first material. A first gate line includes a first portion composed of a third material and a second portion composed of a fourth material, the fourth material being different than the third material. A second gate line includes a first portion composed of the third material and a second portion composed of the fourth material. The first portion of the source line, the first portion of the first gate line, and the first portion of the second gate line define a non-transparent area of the display. The second portion of the source line, the second portion of the first gate line, and second portion of the second gate line define a transparent area of a display.

Abstract: An example of an apparatus is provided. The apparatus includes a display portion and a camera. In addition, the apparatus includes a thin film transistor substrate extending over the display portion and the camera. Furthermore, the apparatus includes an image generation layer disposed under the thin film transistor substrate within the display portion. Also, the apparatus includes a polymer dispersed liquid crystal disposed between the thin film transistor substrate and the camera. The polymer dispersed liquid crystal is to be switched between an opaque state and a clear state. The opaque state is to block the camera from receiving imaging light. The clear state allows light to pass through the polymer dispersed liquid crystal.

Abstract: A technique includes detecting a power transition of a processor-based system and controlling operation of a camera of the processor-based system based on the detection of the power transition. Controlling the operation of the camera includes triggering a process to disable the camera in response to detection of the power transition.

Abstract: In an example implementation according to aspects of the present disclosure, a system including a controller to receive a temperature value, from a temperature sensor corresponding to a sub-pixel in an organic light emitting display. The controller calculates a luminous value of the sub-pixel based on the temperature value and a function corresponding to a degradation of luminosity over time and temperature. The controller determines, based on the luminous value, a corrected luminous value corresponding to a target luminous value. The controller retrieves a voltage value from a second database, wherein the second database comprises a luminous-voltage relationship. The controller applies the voltage value to the sub-pixel.

Abstract: Example privacy cells and electronic displays including the privacy cells are disclosed. In an example, the electronic display includes an organic light emitting diode (OLED), an anode on a first side of the OLED, and a cathode on a second side of the OLED. In addition, the electronic display includes a privacy cell coupled to the cathode opposite the OLED. The privacy cell includes a cholesteric liquid crystal (CLC) layer on the cathode, and an electrode on the CLC layer opposite the cathode. The electrode and the cathode are to induce a voltage differential across the CLC layer to adjust a viewing angle of the electronic display.

Abstract: An example device for providing display modes can include a display that includes a plurality of light sources and a collimated backlight, a driver coupled to a switch that is coupled to the plurality of light sources with a first electrical connection for a first mode and a second electrical connection for a second mode, wherein the first electrical connection provides a first amperage to the plurality of light sources and the second electrical connection provides a second amperage to the plurality of light sources, and a computing device comprising instructions executable by a processing resource to: initiate the first mode by providing an instruction to the switch to activate the first electrical connection, and initiate the second mode by providing an instruction to the switch to activate the second electrical connection.

Abstract: In example implementations, a display is provided. The display includes a first portion and a second portion. The first portion includes a first plurality of light emitting diodes (LEDs) that emit light in a first direction. The second portion includes a combination of the first plurality of LEDs that emit light in the first direction and a second plurality of LEDs that emit light in a second direction that is opposite the first direction to form a dual-sided display.

Abstract: In example implementations, a display is provided. The display includes a piezo electric layer coupled to a power source, a plurality of light emitting diodes arranged on the piezo electric layer, an aperture layer, a thin film transistor layer, a liquid crystal layer formed over the thin film transistor layer, and a color filter layer. The aperture layer is located above the plurality of light emitting diodes such that light emitted from the plurality of light emitting diodes travels through respective apertures in the aperture layer. The color filter layer is formed over the liquid crystal layer to control a color of the light emitted from the plurality of light emitting diodes.