Abstract: A light emitting assembly is described. In one embodiment, one or more light emitting diode (LED) devices and one or more microcontrollers are bonded to a same side of a substrate, with the one or more microcontrollers to switch and drive the one or more LED devices.

Abstract: Reflective bank structures for light emitting devices are described. The reflective bank structure may include a substrate, an insulating layer on the substrate, and an array of bank openings in the insulating layer with each bank opening including a bottom surface and sidewalls. A reflective layer spans sidewalls of each of the bank openings in the insulating layer.

Abstract: A display module and system applications including a display module are described. The display module may include a display substrate including a front surface, a back surface, and a display area on the front surface. A plurality of interconnects extend through the display substrate from the front surface to the back surface. An array of light emitting diodes (LEDs) are in the display area and electrically connected with the plurality of interconnects, and one or more driver circuits are on the back surface of the display substrate. Exemplary system applications include wearable, rollable, and foldable displays.

Abstract: A light emitting assembly is described. In one embodiment, one or more light emitting diode (LED) devices and one or more microcontrollers are bonded to a same side of a substrate, with the one or more microcontrollers to switch and drive the one or more LED devices.

Abstract: Reflective bank structures for light emitting devices are described. The reflective bank structure may include a substrate, an insulating layer on the substrate, and an array of bank openings in the insulating layer with each bank opening including a bottom surface and sidewalls. A reflective layer spans sidewalls of each of the bank openings in the insulating layer.

Abstract: A display module and system applications including a display module are described. The display module may include a display substrate including a front surface, a back surface, and a display area on the front surface. A plurality of interconnects extend through the display substrate from the front surface to the back surface. An array of light emitting diodes (LEDs) are in the display area and electrically connected with the plurality of interconnects, and one or more driver circuits are on the back surface of the display substrate. Exemplary system applications include wearable, rollable, and foldable displays.

Abstract: Exemplary methods and systems use a micro light emitting diode (LED) in an active matrix display to emit light and a sensing IR diode to sense light. A display panel includes a display substrate having a display region, an array of subpixel circuits, and an array of selection devices. Each subpixel circuit includes a driving circuit to operate a corresponding infrared (IR) emitting LED in a light emission mode. Each selection device may be coupled to a corresponding sensing IR diode to operate the corresponding sensing IR diode in a light sensing mode.

Abstract: A display panel and a method of forming a display panel are described. The display panel may include a thin film transistor substrate including a pixel area and a non-pixel area. The pixel area includes an array of bank openings and an array of bottom electrodes within the array of bank openings. A ground line is located in the non-pixel area and an array of ground tie lines run between the bank openings in the pixel area and are electrically connected to the ground line in the non-pixel area.

Abstract: A content-based adaptive refresh technique is implemented in an active matrix display system for reducing power consumption. The active matrix display system includes a display panel having multiple rows of display elements arranged as a display matrix. The display panel is coupled to a scan driver and a data driver. The scan driver selects one row at a time to receive data signals, and the data driver provides the data signals. The active matrix display system also includes a timing controller operable to signal the scan driver to cause a first row of the display panel to be not refreshed in a current data frame and a second row of the display panel to be refreshed in the current data frame.

Abstract: In one embodiment, a display system includes a display panel having a plurality of display elements, a scan driver to control a leaky switch to select a storage capacitor of a display element of the plurality of display elements to receive a data signal, and a data driver to provide the data signal to the storage capacitor when the leaky switch is in an on state at each of an on voltage to illuminate the display element and an off voltage and to hold the on voltage at an input of the leaky switch when the leaky switch is in an off state.

Abstract: Methods and apparatuses are disclosed for improving graphics abilities while switching between graphics processing units (GPUs). Some embodiments may include a display system, including a plurality of graphics processing units (GPUs) and a memory buffer coupled to the GPUs via a timing controller, where the memory buffer stores data associated with a first video frame from a first GPU within the plurality of GPUs and where the timing controller is switching between the first GPU and a second GPU within the plurality.

Abstract: A pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel drive circuit comprising, switching circuitry, a current mirror having a reference transistor and a drive transistor, the reference transistor and the drive transistor each having a first and second node and a gate, the gate of the reference transistor being connected to the gate of the drive transistor; and a capacitor connected between the gate of the reference transistor and a ground potential, and a load connected between the current mirror and a ground potential, the load having a first load element and a second load element, the first load element being connected to the first node of the reference transistor and the second load element being connected to the first node of the drive transistor.

Abstract: A pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel drive circuit comprising, switching circuitry, a current mirror having a reference transistor and a drive transistor, the reference transistor and the drive transistor each having a first and second node and a gate, the gate of the reference transistor being connected to the gate of the drive transistor; and a capacitor connected between the gate of the reference transistor and a ground potential, and a load connected between the current mirror and a ground potential, the load having a first load element and a second load element, the first load element being connected to the first node of the reference transistor and the second load element being connected to the first node of the drive transistor.

Abstract: A display module and system applications including a display module are described. The display module may include a display substrate including a front surface, a back surface, and a display area on the front surface. A plurality of interconnects extend through the display substrate from the front surface to the back surface. An array of light emitting diodes (LEDs) are in the display area and electrically connected with the plurality of interconnects, and one or more driver circuits are on the back surface of the display substrate. Exemplary system applications include wearable, rollable, and foldable displays.

Abstract: A display system includes an array of light emitting diodes (LEDs), first and second driver chips, and one or more protection chips on a display substrate. The first and second driver chips are to drive a first group of LEDs of the array of LEDs and a second group of LEDs of the array of LEDs, respectively. Each protection chip includes one or more electro-static discharge (ESD) protection devices to assist with protecting the driver chips from damage caused by an ESD event. In one embodiment, each ESD protection device is connected between one or more signal lines, one or more power supply voltage lines, and an electrical ground line of the display substrate. In one embodiment, at least one protection chip comprises one or more electric overstress (EOS) protection devices to assist with protecting the driver chips from damage caused by an EOS event.

Abstract: In one embodiment, a display system includes a display panel having a plurality of display elements, a scan driver to control a leaky switch to select a storage capacitor of a display element of the plurality of display elements to receive a data signal, and a data driver to provide the data signal to the storage capacitor when the leaky switch is in an on state at each of an on voltage to illuminate the display element and an off voltage and to hold the on voltage at an input of the leaky switch when the leaky switch is in an off state.

Abstract: A display module and system applications including a display module are described. The display module may include a display substrate including a front surface, a back surface, and a display area on the front surface. A plurality of interconnects extend through the display substrate from the front surface to the back surface. An array of light emitting diodes (LEDs) are in the display area and electrically connected with the plurality of interconnects, and one or more driver circuits are on the back surface of the display substrate. Exemplary system applications include wearable, rollable, and foldable displays.

Abstract: A display panel and a method of forming a display panel are described. The display panel may include a thin film transistor substrate including a pixel area and a non-pixel area. The pixel area includes an array of bank openings and an array of bottom electrodes within the array of bank openings. An array of micro LED devices are bonded to the corresponding array of bottom electrodes within the array of bank openings. An array of top electrode layers are formed electrically connecting the array of micro LED devices to a ground line in the non-pixel area.

Abstract: A display panel and a method of forming a display panel are described. The display panel may include a thin film transistor substrate including a pixel area and a non-pixel area. The pixel area includes an array of bank openings and an array of bottom electrodes within the array of bank openings. A ground line is located in the non-pixel area and an array of ground tie lines run between the bank openings in the pixel area and are electrically connected to the ground line in the non-pixel area.

Abstract: A display panel and method of manufacture are described. In an embodiment, a display substrate includes a pixel area and a non-pixel area. An array of subpixels and corresponding array of bottom electrodes are in the pixel area. An array of micro LED devices are bonded to the array of bottom electrodes. One or more top electrode layers are formed in electrical contact with the array of micro LED devices. In one embodiment a redundant pair of micro LED devices are bonded to the array of bottom electrodes. In one embodiment, the array of micro LED devices are imaged to detect irregularities.