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: A coated metal alloy substrate with at least one chamfered edge, a process for producing a coating a metal alloy substrate, and an electronic device having a housing comprising a coated metal alloy substrate are described. The coated metal alloy substrate with at least one chamfered edge comprises a hydrophobic anti-fingerprint layer deposited on the metal alloy substrate, a passivation layer deposited on the at least one chamfered edge, and a water based paint layer deposited on the passivation layer.

Abstract: The present disclosure is drawn to covers for electronic devices, methods of making the covers, and electronic devices. In one example, a cover for an electronic device comprising: a metal cover substrate having at least a top surface and a bottom surface; a transparent passivation layer on the top surface of the metal cover substrate; a water-borne graphene coating layer on the transparent passivation layer; and an electrophoretic deposition coating layer on the water-borne graphene coating layer.

Abstract: An image-capture device is positioned behind a display device. A hardware display controller interleaves image frames and black frames for display on the display device. A hardware timing controller synchronizes image capture by the image-capture device with display of the black frames so that the image capture occurs a specified delay after the display device has started displaying each black frame.

Abstract: A coated metal alloy substrate, a process for producing a coating a metal alloy substrate, and an electronic device having a housing comprising a coated metal alloy substrate are described. The coated metal alloy substrate comprises a passivation layer deposited on the metal alloy substrate, a porous conductive water borne carbon nanotube layer on the passivation layer, and an electrophoretic deposition layer deposited on the porous conductive water borne carbon nanotube layer.

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: The present disclosure is drawn to thin-film transistors, electronic displays that include thin-film transistors, and methods of making thin-film transistors. In one example, a thin-film transistor can include a nonconductive substrate, a semiconductor layer on the nonconductive substrate, a source electrode adjacent a first side of the semiconductor layer and partially overlapping a first peripheral portion of the semiconductor layer, a drain electrode adjacent a second side of the semiconductor layer and partially overlapping a second peripheral portion of the semiconductor layer, an etch stop layer on the semiconductor layer, a gat insulator layer on the etch stop layer, and a gate electrode on the gate insulator layer. The source electrode and the drain electrode do not overlap the etch stop layer.

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, an organic light emitting transistor is provided. The organic light emitting transistor includes a substrate, at least one layer deposited onto the substrate, a thin film transistor, and an organic light emitting transistor. The thin film transistor is formed on the substrate to include a first portion of the at least one layer and the organic light emitting transistor is formed on the substrate to include a second portion of the at least one layer.

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.

Abstract: Semiconductor materials can include from about 11 at % to about 50 at % of a carrier mobility contributor selected from a period 6 metal or a period 5 metal, wherein the period 6 metal is lead and the period 5 metal is indium, tin, cadmium, or a combination thereof, and wherein the carrier mobility contributor is not a combination of the period 6 metal and the period 5 metal; from about 0.6 at % to about 25 at % of an amorphous phase stabilizer, wherein the amorphous phase stabilizer is selected from indium, tin, cadmium, zinc, gallium, or a combination thereof when the carrier mobility contributor is the period 6 metal, or the amorphous phase stabilizer is selected from zinc, gallium, or a combination thereof when the carrier mobility contributor is the period 5 metal; from about 0.3 at % to about 18 at % of a semiconductivity controller including an element having a standard electrode potential from about ?0.8 to about ?3.05; and from about 45 at % to about 67 at % oxygen.

Abstract: An example display device includes a display panel to display an image; a backlight unit to provide light to the display panel, the backlight unit including a light emitting unit to emit the light; a light guide plate to transmit the light emitted from the light emitting unit; a pair of electrodes adjacent to the light guide plate; and a polymer layer including liquid crystal molecules within the light guide plate. The liquid crystal molecules are to change orientation upon being introduced to an electric field created by the pair of electrodes to change an opacity of the light guide plate. The display device includes at least one film to collimate and direct light from the backlight unit to the display panel; and a processor to switch voltage being applied on/off to the pair of electrodes.

Abstract: In example implementations, a display is provided. The display includes a collimated back light unit (BLU) comprising a light guide plate and a plurality of light emitting diodes (LEDs), a polymer dispersed liquid crystal (PDLC) layer formed over the collimated BLU, a thin film transistor (TFT) substrate, a liquid crystal layer formed over the TFT substrate, a color filter (CF) substrate, and a controller. The PDLC layer is to provide selective privacy areas on the display. The TFT substrate is to control emission of light from the plurality of LEDs. The CF substrate is to control a color of the light emitted from the plurality of LEDs. The controller is communicatively coupled to the plurality of LEDs and the POLO layer to activate a selected area of the PDLC layer to enable a privacy area on a corresponding area that is selected on the display.

Abstract: In an example implementation according to aspects of the present disclosure, a computing device includes a first member with a first display surface, and a second member rotatably connected to the first member, the second member including a second display surface. The computing device includes a sensor and a processor to receive readings from the sensor. Based on the sensor readings, the processor is to select either a privacy mode or a sharing mode for the first display surface, and either the privacy mode or the sharing mode for the second display surface.

Abstract: Example electronic devices including a display are disclosed. In an example, the display includes a backlight, and an image generator to form an image from light emitted from the backlight. In addition, the display includes a first privacy panel and a second privacy panel disposed between the backlight and the image generator. The first privacy panel includes a first set of parallel lines, and the second privacy panel includes a second set of parallel lines that are perpendicular to the first set of parallel lines. The first set of parallel lines is to actuate to selectively adjust a first viewing angle of the display in a first plane, and the second set of parallel lines is to actuate to selectively adjust a second viewing angle of the display in a second plane that is perpendicular to the first plane.

Abstract: Semiconductor materials can include from about 11 at % to about 50 at % of a carrier mobility contributor selected from a period 6 metal or a period 5 metal, wherein the period 6 metal is lead and the period 5 metal is indium, tin, cadmium, or a combination thereof, and wherein the carrier mobility contributor is not a combination of the period 6 metal and the period 5 metal; from about 0.6 at % to about 25 at % of an amorphous phase stabilizer, wherein the amorphous phase stabilizer is selected from indium, tin, cadmium, zinc, gallium, or a combination thereof when the carrier mobility contributor is the period 6 metal, or the amorphous phase stabilizer is selected from zinc, gallium, or a combination thereof when the carrier mobility contributor is the period 5 metal; from about 0.3 at % to about 18 at % of a semiconductivity controller including an element having a standard electrode potential from about ?0.8 to about ?3.05; and from about 45 at % to about 67 at % oxygen.

Abstract: In one example, a display device can include a gate line break across a plurality of gate lines, a first source driver positioned on a first side of the gate line break, a first gate driver positioned on the first side of the gate line break, a second source driver positioned on a second side of the gate line break, and a second gate driver positioned on the second side of the gate line break.

Abstract: In one example in accordance with the present disclosure, a screen privacy device is described. The screen privacy device includes a substrate with channels having angled walls. A polymer-dispersed liquid crystal (PDLC) compound within the channels selectively alters a viewing angle of an underlying display screen. The screen privacy device also includes electrodes disposed on opposite wails of each of the channels to selectively apply a voltage potential across the PDLC compound within a corresponding channel.

Abstract: An example display device with a multiple privacy mode of operation includes a micro lens cell having a first liquid crystal layer with a first set of liquid crystal molecules and a controllable optical effective refractive index, to transmit light through the micro lens cell. A pair of electrodes receive a voltage to change an orientation of the first set of liquid crystal molecules and the optical effective refractive index of the first liquid crystal layer. A micro lens array directs the light at an interface of the micro lens array and first liquid crystal layer. The micro lens array directs the light at different angles based on the voltage. A second liquid crystal layer changes a polarization of the light. A color filter controls a color of the light. A common electrode controls an orientation of a second set of liquid crystal molecules in the second liquid crystal layer.