Abstract: In one example, a light-emitting diode display driver system includes a digital pixel driver circuit. The digital pixel driver circuit is to receive an input current, to produce a current that is linearly dependent on the input current, and to provide the produced current to one or more light-emitting diodes.

Abstract: In one example, a system for driving current includes a digital pulse density modulation circuit to provide an output in response to pixel data. The system also includes an analog circuit to drive current to increase a brightness in one or more light-emitting diodes in response to the output from the digital pulse density modulation circuit.

Abstract: A micro display, which includes LEDs and TFTs of a TFT electronic control circuit for controlling the LEDs, is produced monolithically on a silicon, silicon carbide, or sapphire wafer. The display includes red, green, and blue micro LEDs, and electronic control circuits include TFTs with Indium gallium zinc oxide (IGZO) channels or Indium phosphide (InP) channels. The TFTs are formed above the LEDs and laterally removed from the LEDs and paths of light emissions from the plurality of LEDs to prevent light blocking by the TFTs.

Abstract: In one example, a light-emitting diode display system includes one or more light-emitting diodes and a pixel driver circuit. The pixel driver circuit is to receive an input current, to produce a current that is dependent on the input current, and to provide the produced current to the one or more light-emitting diodes.

Abstract: A thin film transistor (TFT) to control a light emitting diode (LED) or an organic light emitting diode (OLED) includes a channel region configured as a saddle channel extending between the drain region and the source region of the TFT. The saddle channel is formed by deposition of channel material on a fin structure, and the contour of the saddle channel is defined by the contour of the fin structure. Deposition of the channel material for the saddle channel may be performed by: (i) atomic layer deposition (ALD) of amorphous silicon; (ii) ALD of amorphous silicon followed by annealing to form polycrystalline silicon; or (iii) deposition of indium gallium zinc oxide (IGZO) material by one of ALD, plasma-enhanced atomic layer deposition (PEALD), chemical vapor deposition (CVD), or plasma-enhanced chemical vapor deposition (PECVD).

Abstract: Embodiments related to emissive display device structures having an emissive display element and a metamaterial lens having a plurality of nanoparticles over an emissive surface of the emissive display element to control the angular distribution of light emitted from the emissive display element, displays having such controlled emissive display device structures, systems incorporating such controlled emissive display device structures, and methods for fabricating them are discussed.

Abstract: The two-dimensional metal carbide desalination membrane includes a stack of two-dimensional metal carbide layers. A two-dimensional metal carbide included in the two-dimensional metal carbide layers may have the formula Ti3C2Tx, where T represents a terminating functional group, and x represents a number of the terminating functional groups. The terminating group may be oxygen, hydroxide (OH), fluorine or combinations thereof. The two-dimensional metal carbide desalination membrane includes nano-channels which are selectively permeable to ions. The two-dimensional metal carbide desalination membrane is selectivity permeable to a number of different cations, including Li+, Na+, K+, Mg2+, Ca2+, Ni2+ and Al3+, with counter Cl? anions. Permeation rates depend on the charges of the cations and the ions' hydrated radius, with a critical point around 4.0 ?. The two-dimensional metal carbide desalination membranes can be used as desalination and/or water filtration membranes.

Abstract: LED structures passivated with a III-N passivation material including Al. The III-N passivation material may reduce nonradiative recombination, reducing leakage current of an LED structure, and/or improve luminous efficacy. An LED structure may include III-N materials in a multiple quantum well (MQW) structure, and the III-N passivation material including Al may have a wider bandgap than any of the materials in the MQW structure. The III-N passivation material may be AlN, which can be deposited as a binary compound at low temperatures to maintain quality of the MQW structure. The III-N passivation material can be selectively deposited on a sidewall of at least the MQW structure. The III-N passivation material can be unselectively deposited over an LED structure and then etched to form a III-N spacer along a sidewall of at least the MQW structure. Energy efficient RGB micro(?) LED emissive displays may include passivated LED structures.

Abstract: A per-pixel performance improvement is described for combined image sensor arrays that measure infrared and visible light. One embodiment is a method that includes forming an array of photodetectors on a silicon substrate, treating a subset of the photodetectors to improve sensitivity to infrared light, and finishing the photodetector array to form an image sensor.

Abstract: An illuminator with a metalayer for redirecting light in a desired far-field radiation pattern by using subwavelength posts.

Abstract: A system and method of reducing speckle for an illuminator comprises driving current at varying levels or average frequency to provide varying light wavelengths.

Abstract: A method, system, and article is directed to efficient illuminator and camera sensor synchronization to capture images by turning the illuminator on and off at specific times.

Abstract: Embodiments of the invention include systems and methods for transferring micro LEDs. In an embodiment, the system for transferring micro LEDs, may include a donor substrate bank that is capable of supporting a plurality of donor substrates on which a plurality of micro LEDs are formed. In an embodiment, the donor substrate bank is moveable in the X, Y, and Z directions. In an embodiment, the system may also include a host substrate table that is capable of supporting a host substrate. The host substrate may include a plurality of segments. In an embodiment, the host substrate table is moveable in the X, Y, and Z directions. Embodiments of the invention may also include an array of macro transfer heads. In an embodiment, each macro transfer head may include a plurality of micro transfer heads.

Abstract: A micro-light emitting diode (LED) display panel and a method of forming the display panel, the micro-LED display panel having a monolithically grown micro-structure including a first color micro-LED that is a first color nanowire LED, and a second color micro-LED that is a second color nanowire LED.

Abstract: In one example, a method for controlling a display with a digital signal includes detecting a binary value from a timing controller, the binary value corresponding to a portion of an image to be displayed. The method can also include determining a previous binary value from the timing controller and calculating a difference between the binary value from the timing controller and the previous binary value from the timing controller. Furthermore, the method can include generating an encoded signal based on the difference and transmitting the encoded signal to a display panel.

Abstract: Systems, apparatuses, and/or methods to manufacture and/or implement a sensor film, a composite electrode, and/or a computing device such as a flexible device. The sensor film may include a random network of metal lines and graphene interconnecting the metal lines. The composite electrode may be formed from the sensor film. In addition, the composite electrode may include a first portion including a metal layer in a graphene layer, wherein the metal layer is randomly located in the graphene layer, and a second portion excluding the metal layer and including the graphene layer. The sensor film may be patterned to include any composite electrode configuration, such as an antenna electrode configuration, a touch electrode configuration, and so on. Thus, the flexible device may include a flexible touch screen.

Abstract: A per-pixel performance improvement is described for combined image sensor arrays that measure infrared and visible light. One embodiment is a method that includes forming an array of photodetectors on a silicon substrate, treating a subset of the photodetectors to improve sensitivity to infrared light, and finishing the photodetector array to form an image sensor.

Abstract: An image sensor is described that has photodetectors with reduced reflections. In one example the image sensor has a plurality of photodetectors on a silicon substrate.

Abstract: The positionable towing hitch includes a first beam supporting a movable housing assembly and a second beam assembly movable in the housing. The first beam protrudes out of the housing for mounting to a hitch receiver of a vehicle. A first beam driver assembly is coupled to the first beam to selectively extend and retract the housing with respect to the first beam in a horizontal direction. A second beam driver assembly is coupled to a second beam to selectively raise and lower the second beam with respect to the housing in a vertical direction. A ball mount bracket is fixed to the second beam for mounting a ball mount thereon to move with the second beam. The movements of the housing and the second beam facilitate positioning of the ball mount for connection to a trailer to be hitched.

Abstract: Techniques for tuning the illumination pattern of a Light Emitting Diode (LED) are described. An example image capture system incorporates an LED with an integrated micro-reflector. The example image capture system includes a camera to capture an image of an object and a Light Emitting Diode (LED) to emit light for illuminating the object. The LED includes a light emitting layer and a window layer made of transparent semiconductor material disposed over the light emitting layer. The shape of the window layer creates a plurality of reflectors that generate a specified illumination pattern that reduces the effect of illuminance distortions created by the image capture system.