Abstract: A transfer system adaptable to performing levelling alignment includes a transfer head that picks up micro devices, the transfer head having a plurality of pick-up heads protruded from a bottom surface of the transfer head; and a levelling fixture configured to perform levelling alignment for the transfer head, the levelling fixture having a plurality of cavities that are concave downwards to correspondingly accommodate the pick-up heads respectively.

Abstract: A micro-light-emitting diode (microLED) display panel includes a substrate; a plurality of microLEDs disposed and arranged in rows and columns on the substrate; a driver disposed on the substrate; a plurality of first blocking walls respectively disposed between rows of the microLEDs; and a plurality of second blocking walls respectively disposed between the microLEDs of the same row.

Abstract: A bottom-emission light-emitting diode (LED) display includes a transparent substrate, a plurality of LEDs bonded on the substrate, a packaging layer formed on the substrate to cover the LEDs, and a reflecting layer formed on the packaging layer to reflect light emitted by the plurality of LEDs. The reflecting layer has a non-smooth shape or the packaging layer has different refractivities.

Abstract: A transfer system adaptable to performing levelling alignment includes a transfer head that picks up micro devices, the transfer head having a plurality of pick-up heads protruded from a bottom surface of the transfer head; and a levelling fixture configured to perform levelling alignment for the transfer head, the levelling fixture having a plurality of cavities that are concave downwards to correspondingly accommodate the pick-up heads respectively.

Abstract: A micro-light-emitting diode (microLED) display panel includes a plurality of microLEDs arranged in rows and columns. Anodes of microLEDs in a same row are connected to a corresponding data line, and cathodes of pixels in a same column are connected to a corresponding group of common lines, each of which is connected to cathodes of microLEDs of different colors.

Abstract: A micro-light-emitting diode (microLED) display panel includes a substrate; a plurality of microLEDs disposed and arranged in rows and columns on the substrate; a driver disposed on the substrate; a plurality of first blocking walls respectively disposed between rows of the microLEDs; and a plurality of second blocking walls respectively disposed between the microLEDs of the same row.

Abstract: A bottom-emission light-emitting diode (LED) display includes a transparent substrate, a plurality of LEDs bonded on the substrate, a packaging layer formed on the substrate to cover the LEDs, and a reflecting layer formed on the packaging layer to reflect light emitted by the plurality of LEDs. The reflecting layer has a non-smooth shape or the packaging layer has different refractivities.

Abstract: A microLED display includes a first main substrate, microLEDs disposed above the first main substrate, a first light blocking layer disposed above the first main substrate to define emission areas, a light guiding layer disposed in the emission areas, and a plurality of connecting structures disposed in the emission areas respectively and electrically connected with the microLEDs.

Abstract: A transfer system adaptable to performing levelling alignment includes a transfer head that picks up micro devices, the transfer head having a plurality of pick-up heads protruded from a bottom surface of the transfer head; and a levelling fixture configured to perform levelling alignment for the transfer head, the levelling fixture having a plurality of cavities that are concave downwards to correspondingly accommodate the pick-up heads respectively.

Abstract: A light-emitting diode display is provided. The light-emitting diode display includes a substrate, a plurality of wires, a plurality of light-emitting areas, and at least one driver IC. The plurality of wires are formed on the substrate. The plurality of light-emitting areas include a light-emitting diode area and a virtual area. The plurality of light-emitting areas are arranged in a matrix. The virtual area of the plurality of light-emitting areas corresponds to each other. The driver IC is formed on the virtual area of the plurality of the light-emitting areas or on the plurality of the light-emitting areas.

Abstract: A bottom emission microLED display includes a microLED disposed above a transparent substrate; a light guiding layer surrounding the microLED to controllably guide light generated by the microLED towards the transparent substrate; and a reflecting layer formed over the light guiding layer to reflect the light generated by the microLED downwards and to confine the light generated by the microLED to prevent the light from leaking upwards or sidewards.

Abstract: A bonding method of a semiconductor device is disclosed. The method includes steps of forming a plurality of holes on two bonding parts of a main substrate, respectively; disposing a semiconductor device on the main substrate, and aligning the two bonding parts with two conduction parts of the semiconductor device; aligning a laser to the conduction parts and operating the laser to emit a laser beam from a lower part of the main substrate, wherein the laser beam passes through the holes of the bonding part to strike on the conduction part, so as to melt each conduction part to bond with the bonding part. With configuration of the holes, the conduction parts and the bonding part can be smoothly bonded by using laser, so as to achieve the purpose of transferring the semiconductor device.

Abstract: A microLED display includes a first main substrate, microLEDs disposed above the first main substrate, a first light blocking layer disposed above the first main substrate to define emission areas, a light guiding layer disposed in the emission areas, and a plurality of connecting structures disposed in the emission areas respectively and electrically connected with the microLEDs.

Abstract: A support structure for a light-emitting diode utilizes the configuration of a sacrifice structure to achieve safe separation of a light-emitting diode from a carrier substrate. Specifically, when an external force is applied on the light-emitting diode or the carrier substrate, a breaking layer of the sacrifice structure is the first layer to be broken, so that the light-emitting diode and carrier substrate will become separated from each other.

Abstract: A microLED display includes a first main substrate, microLEDs disposed above the first main substrate, a first light blocking layer disposed above the first main substrate to define emission areas, a light guiding layer disposed in the emission areas, and a plurality of connecting structures disposed in the emission areas respectively and electrically connected with the microLEDs.

Abstract: A vacuum suction apparatus includes a semiconductor substrate with a top portion having grooves and a bottom portion having through holes, wherein each said groove correspondingly connects with at least one said through hole, and the groove has a width greater than a width of the through hole; and a cover plate disposed on a top surface of the semiconductor substrate. At least one edge of the vacuum suction apparatus has a vacuum chamber, which connects with the grooves. In another embodiment, the cover plate is replaced with a vacuum cover disposed above the semiconductor substrate, wherein the vacuum cover and the semiconductor substrate construct a vacuum chamber.

Abstract: A bottom emission microLED display includes a microLED disposed above a transparent substrate; a light guiding layer surrounding the microLED to controllably guide light generated by the microLED towards the transparent substrate; and a reflecting layer formed over the light guiding layer to reflect the light generated by the microLED downwards and to confine the light generated by the microLED to prevent the light from leaking upwards or sidewards.

Abstract: A bottom emission microLED display includes a microLED disposed above a transparent substrate; a light guiding layer surrounding the microLED to controllably guide light generated by the microLED towards the transparent substrate; and a reflecting layer formed over the light guiding layer to reflect the light generated by the microLED downwards and to confine the light generated by the microLED to prevent the light from leaking upwards or sidewards.

Abstract: A vacuum transfer device includes a semiconductor substrate, which has a first hole disposed in a top portion of the semiconductor substrate; a nozzle disposed in a bottom portion of the semiconductor substrate and protruding downward, the nozzle being aligned with the first hole; and a second hole disposed through the nozzle and in the semiconductor substrate to meet the first hole.

Abstract: A method of bonding a light-emitting diode (LED) with a substrate includes providing a LED disposed on a bottom surface of a LED substrate; forming a first isolating layer entirely on a substrate; forming a second isolating layer on the first isolating layer within a first area corresponding to an N-type contact pad of the LED; forming a first conductive layer on the second isolating layer within the first area; forming a second conductive layer on the first isolating layer within a second area corresponding to a P-type contact pad of the LED; and bonding the LED to the substrate by connecting the N-type contact pad to the first conductive layer within the first area, and connecting the P-type contact pad to the second conductive layer within the second area.