Abstract: A pixel circuit includes a current generator, a switch, and a time controller. The pixel circuit is configured in a display panel. The current generator provides a driving current, and controls the driving current according to a pulse amplitude modulation mechanism. The switch is coupled in series with the current generator and a light-emitting component, and is turned on or off according to a control signal, wherein the control signal is a pulse width modulation signal. The time controller generates the control signal, receives a set voltage, and adjusts a pulse width of the control signal according to a voltage value of the set voltage.

Abstract: Micro LED display device and driving method thereof. The display device includes a display substrate and a data driving circuit. The display substrate includes multiple pixels, and each pixel includes a first subpixel and a second subpixel. The first subpixel has a first subpixel circuit and a first light-emitting element. The second subpixel has a second subpixel circuit and a second light-emitting element. The first subpixel circuit and the second subpixel circuit are configured independently. The data driving circuit is electrically connected to the first and the second subpixel circuits. The data driving circuit transmits a first data signal to the first subpixel circuits to drive the first light-emitting elements and a second data signal to the second subpixel circuits to drive the second light-emitting elements. The first data signal is a PWM signal, and the second data signal is a PAM signal.

Abstract: Micro LED display device and driving method thereof. The display device includes a display substrate and a data driving circuit. The display substrate includes multiple pixels, and each pixel includes a first subpixel and a second subpixel. The first subpixel has a first subpixel circuit and a first light-emitting element. The second subpixel has a second subpixel circuit and a second light-emitting element. The first subpixel circuit and the second subpixel circuit are configured independently. The data driving circuit is electrically connected to the first and the second subpixel circuits. The data driving circuit transmits a first data signal to the first subpixel circuits to drive the first light-emitting elements and a second data signal to the second subpixel circuits to drive the second light-emitting elements. The first data signal is a PWM signal, and the second data signal is a PAM signal.

Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.

Abstract: A transparent display panel with a light-transmitting substrate, a plurality of top-emitting micro light emitting diodes, a plurality of bottom-emitting micro light emitting diodes, and a light shielding layer. The light transmissive substrate has a surface. These top-emitting micro light emitting diodes and these bottom-emitting micro light emitting diodes are disposed on the surface of the light transmissive substrate. The bottom-emitting micro light emitting diodes has an epitaxial structure and a light shielding member, the epitaxial structure has a pair of upper and lower surfaces on the opposite sides, the lower surface faces toward the light transmissive substrate, and the light shielding member is disposed on the upper surface to shield the light emitted by the bottom-emitting micro light emitting diodes towards the upper surface.

Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.

Abstract: A micro LED display device includes a micro light emitting unit, a conductive structure and a substrate. The micro light emitting unit includes a plurality of micro light emitting elements, and each of the micro light emitting elements includes a semiconductor structure and an electrode structure. The semiconductor structure includes a first type semiconductor layer, a light emitting layer and a second type semiconductor layer. The electrode structure includes a first type electrode and a second type electrode. The conductive structure includes a first type conductive layer and a second type conductive layer. The first type conductive layer is electrically connected to the first type electrode, and the second type conductive layer is electrically connected to the second type electrode. The micro light emitting unit is disposed on the substrate, and the electrode structure is disposed toward the substrate and includes a gap therebetween.

Abstract: A micro LED display panel and a pixel driving circuit thereof. The pixel driving circuit is used for driving a light-emitting unit, which includes a plurality of micro LEDs connected in series. The pixel driving circuit includes a switch unit, a driving unit and a selection unit. The switch unit controls a data signal input according to a scan signal. The driving unit is electrically connected to the switch unit and the light-emitting unit, and is electrically connected to a first voltage. The selection unit receives a selection signal and is electrically connected to a second voltage. The selection unit is electrically connected to the micro LEDs and the driving unit. The number and brightness of the micro LEDs to be turned on are controlled by the selection unit and the driving unit according to the selection signal and the data signal.

Abstract: A micro LED display panel includes a driving substrate and a plurality of micro light emitting diodes (LEDs). The driving substrate has a plurality of pixel regions. Each of the pixel regions includes a plurality of sub-pixel regions. The micro LEDs are located on the driving substrate. At least one of the sub-pixel regions is provided with two micro LEDs of the micro LEDs electrically connected in series, and a dominant wavelength of the two micro LEDs is within a wavelength range of a specific color light. In a repaired sub-pixel region of the sub-pixel regions, only one of the two micro LEDs emits light. In a normal sub-pixel region of the sub-pixel regions, both of the two micro LEDs emit light.

Abstract: A micro LED transparent display has a first display surface and a second display surface, which are opposite to each other. The micro LED transparent display includes a substrate, pixels and at least one grating layer. The first display surface and the second display surface are located on two opposite sides of the substrate, respectively. The pixels are arranged in arrays on the substrate, each of the pixels includes micro LEDs, and the micro LEDs are electrically connected to the substrate. The grating layer is disposed on the substrate, and the micro LEDs are located between the grating layer and the substrate. Lights generated from the micro LEDs of the pixels can be controlled by the grating layer, and the lights partially penetrate through the first display surface and are partially reflected and penetrate through the second display surface.

Abstract: A micro-LED display includes a casing, a light-transmitting cover, a micro-LED array substrate, a circuit board, and at least one functional component. The light-transmitting cover is disposed on the casing and has a display area, a non-display area, and a plurality of first vias. The first vias are located in the display area. The micro-LED array substrate is disposed between the light-transmitting cover and the casing. The micro-LED array substrate has a plurality of second vias overlapped with the first vias in an orthogonal projection direction. The circuit board is disposed between the micro-LED array substrate and the casing, and the circuit board has a functional component disposing area overlapped with the display area in the orthogonal projection direction. The functional component is disposed in the functional component disposing area. The functional component is overlapped with the second vias in the orthogonal projection direction.

Abstract: A micro light emitting diode panel, including a circuit substrate, multiple transistor elements, and multiple micro light emitting diodes, is provided. The circuit substrate includes multiple signal lines, multiple bonding pads, and multiple thin film transistors. The bonding pads extend from at least part of the signal lines. The transistor elements are electrically bonded to a part of the bonding pads and are electrically connected to the thin film transistors. The micro light emitting diodes are electrically bonded to another part of the bonding pads and are electrically connected to the thin film transistors. The thin film transistors each have a first semiconductor pattern. The transistor elements each have a second semiconductor pattern. An electron mobility difference between the first semiconductor pattern and the second semiconductor pattern is greater than 30 cm2/V·s. A method of fabricating the micro light emitting diode panel is also provided.

Abstract: A micro-LED display device mainly has a plurality of pixel areas arranged in matrix and a driving circuit. Each pixel area has a plurality of sub-pixel areas arranged adjacent to each other. In a first driving mode, the driving circuit enables the rows of pixel areas in sequence. When one of rows of pixel areas is enabled, the driving circuit controls one sub-pixel area of each pixel area on the enabled row of pixel areas to display an image color. In a second driving mode, the rows of pixel areas are also enabled in sequence. When one of rows of pixel area is enabled, the driving circuit drives all sub-pixel areas of each pixel area on the enabled row of pixel area to synchronously display the same image color. Therefore, a high-brightness requirement is met, and the overall power consumption is not increased.

Abstract: A micro LED display panel and a pixel driving circuit thereof. The pixel driving circuit is used for driving a light-emitting unit, which includes a plurality of micro LEDs connected in series. The pixel driving circuit includes a switch unit, a driving unit and a selection unit. The switch unit controls a data signal input according to a scan signal. The driving unit is electrically connected to the switch unit and the light-emitting unit, and is electrically connected to a first voltage. The selection unit receives a selection signal and is electrically connected to a second voltage. The selection unit is electrically connected to the micro LEDs and the driving unit. The number and brightness of the micro LEDs to be turned on are controlled by the selection unit and the driving unit according to the selection signal and the data signal.

Abstract: A micro LED transparent display has a first display surface and a second display surface, which are opposite to each other. The micro LED transparent display includes a substrate, pixels and at least one grating layer. The first display surface and the second display surface are located on two opposite sides of the substrate, respectively. The pixels are arranged in arrays on the substrate, each of the pixels includes micro LEDs, and the micro LEDs are electrically connected to the substrate. The grating layer is disposed on the substrate, and the micro LEDs are located between the grating layer and the substrate. Lights generated from the micro LEDs of the pixels can be controlled by the grating layer, and the lights partially penetrate through the first display surface and are partially reflected and penetrate through the second display surface.

Abstract: A micro light emitting diode display panel is provided, which includes a substrate, a plurality of first signal lines, a plurality of transparent conductive patterns, a plurality of metal conductive patterns, a plurality of first pads, a plurality of second pads, and a plurality of micro light emitting diode devices. The first signal lines are disposed on the substrate. The transparent conductive patterns are separately distributed on the substrate. The metal conductive patterns and the transparent conductive patterns are alternately arranged on the substrate. The metal conductive patterns are electrically connected between the transparent conductive patterns. The first pads are respectively connected to the first signal lines. The second pads are electrically connected to the transparent conductive patterns. Each of the micro light emitting diode devices is electrically bonded to one of the first pads and one of the second pads.

Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.

Abstract: A display panel including a substrate, a buffer insulating layer, a plurality of pads, and a plurality of light emitting diodes is provided. The substrate has a display area and a peripheral area adjacent to the display area. The buffer insulating layer is disposed on the substrate. The Young's modulus of the buffer insulating layer is less than 10 GPa. The pads are located on the buffer insulating layer and disposed on the display area of the substrate. The light emitting diodes are electrically connected to the pads and bonding to the display area of the substrate by the pads. The buffer insulating layer is located between the light emitting diodes and the substrate. A normal projection of the light emitting diodes on the substrate is at least partially overlapped with a normal projection of the buffer insulating layer on the substrate.

Abstract: A display apparatus including a reflective display panel and a micro light-emitting diode panel is provided. The display apparatus has a display surface and the reflective display panel has a reflective surface. The micro light-emitting diode panel is overlapped with the reflective display panel and includes a driving circuit layer and a plurality of light-emitting diode devices. The driving circuit layer is positioned between the reflective display panel and the display surface. The micro light-emitting diode devices are electrically bonded to the driving circuit layer. The display surface and the reflective surface are respectively disposed on two opposite sides of the micro light-emitting diode devices and the transmittance of the micro light-emitting diode panel within a wavelength range of visible light is higher than 50%.

Abstract: A micro light-emitting diode display device includes a display panel and a driving circuit unit. The display panel includes a plurality of pixel group units arranged side by side along a first direction, and each pixel group unit includes a plurality of pixels extending in a second direction. The driving circuit unit outputs a first voltage and a second voltage different from the first voltage to the pixels of each pixel group unit of the display panel. The display panel has a first side and a second side disposed in the second direction and opposite to each other. The first voltage is introduced into the display panel from the first side, and the second voltage is introduced into the display panel from the second side. The voltage bias between the first voltage and the second voltage is in positive correlation to the brightness of one of the connected pixels.