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: In some examples, an electronic device includes a light guide. In some examples, the light guide includes a facial side and a rear side. In some examples, the facial side includes a lens to focus incoming light. In some examples, the rear side includes exit features to guide outgoing light. In some examples, the electronic device includes an image sensor disposed behind the lens to capture the incoming light.

Abstract: In examples, an electronic device comprises an expandable display having a primary portion and first and second auxiliary portions. The expandable display has a default mode in which the first and second auxiliary portions are hidden and an expanded mode in which the first and second auxiliary portions are visible on opposing horizontal ends of the primary portion. The electronic device includes first and second timing controllers (TCONs) to control pixels in the expandable display.

Abstract: In examples, an electronic device comprises a bus and a microcontroller coupled to the bus. The microcontroller is to encode a pattern in a pulse width modulated (PWM) signal by manipulating a duty cycle of the PWM signal and a duration of the duty cycle and to provide the PWM signal on the bus. The electronic device comprises a display panel and a timing controller (TCON) coupled to the display panel and to the microcontroller via the bus. The TCON is to control a brightness feature and a non-brightness feature of the display panel based on the pattern encoded in the PWM signal.

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 an example in accordance with the present disclosure, a wearable extended reality (XR) system is described. The wearable XR system includes a transceiver to receive, from a host computing device, a hologram pattern of original content to be displayed. The wearable XR system also includes a display unit. The display unit includes 1) a pattern lens to display the hologram pattern in front of a red, green, blue (RGB) light source and 2) the RGB light source to emit red, green, and blue light towards the hologram pattern to deconstruct the hologram pattern to present the original content. The wearable XR system also includes an image director to reflect the decoded original content towards a user of the wearable XR system.

Abstract: The present disclosure is drawn to bendable displays for electronic devices. In one example, a first display region including a glass panel that is rigid, the glass panel including a first interlocking edge. A second display region can include a plastic panel that is bendable, the plastic panel including a second interlocking edge that is shaped to inversely correspond with the first interlocking edge. An interlock zone where the first interlocking edge can be joined with the second interlocking edge such that the first display region and the second display region form a continuous display panel that is bendable at a location along the second display region.

Abstract: Example implementations relate to computing device unlock codes. In some examples, a computing device can include a locking device, a sensor, a display device including a display area, and a processor to detect an input to the computing device, activate the display device to display an unlock code via the display area, and cause the locking device to disengage in response to an unlock signal being received by the computing device from a remote computing device.

Abstract: In examples, an electronic device comprises a camera and a display having a transparent area aligned with the camera. The display comprises a first line corresponding to a pixel row or column of the display, the first line extending from a first end of the display to the transparent area. The display comprises a second line corresponding to the pixel row or column and extending from a second end of the display to the transparent area, the first and second lines separated by a gap. The electronic device includes a controller coupled to the display, the controller to drive the first and second lines consecutively.

Abstract: In some examples, a computing device can include a processor resource and a non-transitory memory resource storing machine-readable instructions to cause the processor resource to receive a signal from a graphics processing unit, cause, based on the signal, a first portion of image data to be sent to a first pixel on a moving image area of the display panel at a first refresh rate over a plurality of frames in response to a first thin film transistor (TFT) associated with the first pixel being on, and cause, based on the signal, a second portion of the image data to be sent to a second pixel on a static image area of the display panel at a second refresh rate over the plurality of frames.

Abstract: In some examples, a computing device can include a processor resource and a non-transitory memory resource storing machine-readable instructions to cause the processor resource to receive a signal from a graphics processing unit, cause, based on the signal, a first portion of image data to be sent to a first pixel on a moving image area of the display panel at a first refresh rate over a plurality of frames in response to a first thin film transistor (TFT) associated with the first pixel being on, and cause, based on the signal, a second portion of the image data to be sent to a second pixel on a static image area of the display panel at a second refresh rate over the plurality of frames.

Abstract: In some examples, a method includes receiving, by a timing controller of a display device, an indication from an embedded controller of a computing device during a computing device startup procedure. In some examples, the method includes determining, by the timing controller, whether to access display image memory or computing device image memory based on the indication. In some examples, the method includes accessing, by the display device, the computing device image memory in response to determining to access the computing device image memory. In some examples, the method includes causing the display device to display an image from the computing device image memory in response to determining to access the computing device image memory.

Abstract: The present disclosure is drawn to bendable displays for electronic devices. In one example, a first display region including a glass panel that is rigid, the glass panel including a first interlocking edge. A second display region can include a plastic panel that is bendable, the plastic panel including a second interlocking edge that is shaped to inversely correspond with the first interlocking edge. An interlock zone where the first interlocking edge can be joined with the second interlocking edge such that the first display region and the second display region form a continuous display panel that is bendable at a location along the second display region.

Abstract: In example implementations, a display is provided. The display includes a backlight unit (BLU), a first display panel, a second display panel, and a controller. The BLU includes a first side and a second side. The first display panel includes a first layer of liquid crystals and is coupled to the first side of the BLU. The second display panel includes a second layer of liquid crystals and is coupled to the second side of the BLU. The controller is to set the BLU to a brightness level associated with a first brightness setting of the first display panel and to control the second layer of liquid crystals to set a second brightness setting of the second display panel.

Abstract: A lighting system may include a light guide to receive light from a light source; and a reflector plate including a frustrum structure formed on the surface of the reflector plate to receive refracted light from the light guide.

Abstract: An electronic device comprises circuitry to generate and authenticate a first write protect (WP) signal; a controller to write data to a memory, the controller to generate a second WP signal; and a logic gate coupled to the circuitry and the controller. The logic gate is to receive the first and second WP signals; generate a third WP signal based on the first and second WP signals; and assert the third WP signal to the memory to control a write enable state of the memory.

Abstract: In some examples, a computing device can include a processor resource and a non-transitory memory resource storing machine-readable instructions to cause the processor resource to receive a signal from a graphics processing unit, cause, based on the signal, a first portion of image data to be sent to a first pixel on a moving image area of the display panel at a first refresh rate over a plurality of frames in response to a first thin film transistor (TFT) associated with the first pixel being on, and cause, based on the signal, a second portion of the image data to be sent to a second pixel on a static image area of the display panel at a second refresh rate over the plurality of frames.

Abstract: In example implementations, a display is provided. The display includes a plurality of light emitting diodes (LEDs), a thin film transistor (TFT) substrate, a liquid crystal layer, a color filter (CF) substrate, and a controller. The TFT substrate is formed over the LEDs to control emission of light from the plurality of LEDs. The liquid crystal layer is formed over the TFT substrate. The CF substrate is formed over the liquid crystal layer to control a color of the light emitted from the plurality of LEDs. The controller is communicatively coupled to the plurality of LEDs to group subsets of LEDs of the plurality of LEDs into a plurality of local dimming zones, wherein the subsets of LEDs in each one of the plurality of local dimming zones changes over time.

Abstract: In some examples, an organic light emitting transistor (OLET) comprises a substrate layer; a gate electrode disposed on the substrate layer; and a dielectric layer disposed on the gate electrode. The OLET further comprises a first organic semiconductor layer (OSL) disposed on the dielectric layer; a second OSL disposed on the first OSL; a third OSL disposed on the second OSL; a drain electrode disposed on the third OSL; a first source electrode partially disposed on both the first OSL and the third OSL; and a second source electrode partially disposed on both the first OSL and the third OSL, wherein a length of the first OSL is larger than lengths of both the second and third OSLs, and wherein a width of the first OSL is smaller than widths of both the second and third OSLs.

Abstract: A semiconductor composite layer can include a source electrode and a drain electrode individually comprising both a carrier mobility contributor and an amorphous phase stabilizer. The semiconductor composite layer can further include a semiconductive portion disposed between the source electrode and the drain electrode wherein the semiconductive portion comprises the carrier mobility contributor and the amorphous phase stabilizer, the semiconductivity controller comprising oxygen and an element having an electrode potential that is lower than that of both the carrier mobility contributor and the amorphous phase stabilizer.