Abstract: A micro light-emitting element is provided. The micro light-emitting element includes a first-type semiconductor having a bottom surface and a light-emitting layer disposed on the first-type semiconductor. The micro light-emitting element also includes a second-type semiconductor disposed on the light-emitting layer and an intrinsic semiconductor disposed on the second-type semiconductor and made of the same material as the second-type semiconductor. The intrinsic semiconductor has a top surface relative to the bottom surface. The sidewalls of the first-type semiconductor, the light-emitting layer, the second-type semiconductor, and the intrinsic semiconductor form a continuous side surface, and the side surface connects the bottom surface to the top surface.

Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and at least one first air gap is provided. The substrate has a plurality of connection pads. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the substrate and each of the micro light emitting devices. The at least one first air gap is disposed between the substrate and a surface of the isolation layer facing the substrate.

Abstract: A micro light emitting diode panel is provided. The micro light emitting diode panel includes a circuit substrate, a plurality of transistor devices and a plurality of micro light emitting diode devices. The transistor devices are bonded to the circuit substrate. Each of the transistor devices has a semiconductor pattern, a source electrode, a drain electrode and a gate electrode. The source electrode and the drain electrode are electrically connected to the semiconductor pattern. The source electrode, the drain electrode, and the gate electrode are located between the semiconductor pattern and the circuit substrate. The electron mobility of the semiconductor pattern is greater than 20 cm2/V·s. The micro light emitting diode devices are bonded to the circuit substrate, and are electrically connected to the transistor devices respectively.

Abstract: An LED micro display device includes a circuit substrate, micro light-emitting elements, an insulating layer, and a common electrode layer. The circuit substrate has conductive patterns. The micro light-emitting elements are bonded to the circuit substrate and disposed corresponding to the conductive patterns. Each micro light-emitting element has a bottom surface, a top surface and a side wall. The bottom surface connects to the corresponding conductive pattern. The side wall has a first sidewall portion adjacent to the circuit substrate and a second sidewall portion connected to the first sidewall portion. The insulating layer is disposed on the circuit substrate, covers first sidewall portions, and exposes second sidewall portions. The common electrode layer covers the insulating layer and second sidewall portions. The common electrode layer is electrically connected to the micro light-emitting elements, contacts the second sidewall portions, and exposes the top surfaces.

Abstract: A micro light emitting diode panel including a circuit substrate and multiple transfer units. 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 transfer units are electrically bonded to a part of the bonding pads and are electrically connected to the thin film transistors. Each transfer unit has a micro light emitting diode and a transistor element. The thin film transistors each have a first semiconductor pattern. The transistor elements each have a second semiconductor pattern. An electron mobility of the second semiconductor pattern is at least five times an electron mobility of the first semiconductor pattern.

Abstract: A semiconductor structure includes a substrate, a plurality of micro semiconductor devices and a fixing structure. The micro semiconductor devices are disposed on the substrate. The fixing structure is disposed between the substrate and the micro semiconductor devices. The fixing structure includes a plurality of conductive layers and a plurality of supporting layers. The conductive layers are disposed on the lower surfaces of the micro semiconductor devices. The supporting layers are connected to the conductive layers and the substrate. The material of each of the conductive layers is different from the material of each of the supporting layers.

Abstract: An apparatus with micro devices includes a circuit substrate, at least one micro device, and at least one light guide structure. The micro device is disposed on the circuit substrate. The micro device has a top surface and a bottom surface opposite to each other, a peripheral surface connected with the top surface and the bottom surface, a first-type electrode, and a second-type electrode. The light guide structure is disposed on the circuit substrate and is not in direct contact with the first-type electrode and the second-type electrode. The light guide structure includes at least one connecting portion and at least one holding portion. The connecting portion is disposed on an edge of the top surface of the micro device. An orthographic projection area of the light guide structure on the top surface is smaller than an area of the top surface.

Abstract: A micro light-emitting diode display includes a first-type semiconductor base layer, a plurality of semiconductor light-emitting mesas dispersedly disposed on the first-type semiconductor base layer, a semiconductor heightening portion disposed on the first-type semiconductor base layer, a first bonding metal layer disposed on the semiconductor heightening portion, and a plurality of second bonding metal layers respectively disposed on the semiconductor light-emitting mesas. A top surface of the semiconductor heightening portion and a plurality of top surfaces of the semiconductor light-emitting mesas facing away from the first-type semiconductor base layer are coplanar. The top surface of the semiconductor heightening portion forms a first bonding surface adjacent to the first bonding metal layer.

Abstract: A micro light-emitting diode display device including a circuit substrate, an epitaxy structure and a conducting layer is provided. The epitaxy structure is electrically connected to the circuit substrate, and includes a connection layer and a plurality of light-emitting mesas. The plurality of light-emitting mesas are disposed on the connection layer, wherein a thickness of the connection layer is less than a thickness of the plurality of light-emitting mesas, and the connection layer has a first surface exposed by the plurality of light-emitting mesas and a second surface opposite to the first surface. The conducting layer is disposed on the second surface of the connection layer and exposes a plurality of sub-areas of the second surface, wherein a vertical projection of the conductive layer onto the connection layer overlaps a vertical projection of the first surface onto the connection layer.

Abstract: A micro device includes an epitaxial structure and a light guide structure. The epitaxial structure has a top surface. The light guide structure is disposed on the top surface, and the light guide structure includes a connecting portion and a covering portion. The connecting portion is disposed on an edge of the epitaxial structure and extends along a sidewall of the epitaxial structure. The covering portion is disposed on the top surface and connected to the connecting portion. A width of the connecting portion at the edge of the epitaxial structure is smaller than a width away from the top surface.

Abstract: A micro light-emitting diode display panel includes a substrate, a plurality of pixel structures, and a plurality of wavelength conversion structures. The pixel structures are disposed on the substrate. Each pixel structure includes a plurality of micro light-emitting diodes. The micro light-emitting diodes are formed by a plurality of different portions of a connected epitaxial structure. The wavelength conversion structures are disposed in the epitaxial structure and are respectively aligned with at least a portion of the micro light-emitting diodes.

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: An LED micro display device includes a circuit substrate, micro light-emitting elements, an insulating layer, and a common electrode layer. The circuit substrate has conductive patterns. The micro light-emitting elements are bonded to the circuit substrate and disposed corresponding to the conductive patterns. Each micro light-emitting element has a bottom surface, a top surface and a side wall. The bottom surface connects to the corresponding conductive pattern. The side wall has a first sidewall portion adjacent to the circuit substrate and a second sidewall portion connected to the first sidewall portion. The insulating layer is disposed on the circuit substrate, covers first sidewall portions, and exposes second sidewall portions. The common electrode layer covers the insulating layer and second sidewall portions. The common electrode layer is electrically connected to the micro light-emitting elements, contacts the second sidewall portions, and exposes the top surfaces.

Abstract: A micro light emitting diode panel is provided. The micro light emitting diode panel includes a circuit substrate, a plurality of transistor devices and a plurality of micro light emitting diode devices. The transistor devices are bonded to the circuit substrate. Each of the transistor devices has a semiconductor pattern, a source electrode, a drain electrode and a gate electrode. The source electrode and the drain electrode are electrically connected to the semiconductor pattern. The source electrode, the drain electrode, and the gate electrode are located between the semiconductor pattern and the circuit substrate. The electron mobility of the semiconductor pattern is greater than 20 cm2/V·s. The micro light emitting diode devices are bonded to the circuit substrate, and are electrically connected to the transistor devices respectively.

Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and at least one first air gap is provided. The substrate has a plurality of connection pads. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the substrate and each of the micro light emitting devices. The at least one first air gap is disposed between the substrate and a surface of the isolation layer facing the substrate.

Abstract: A semiconductor structure includes a substrate, a plurality of micro semiconductor devices and a fixing structure. The micro semiconductor devices are disposed on the substrate. The fixing structure is disposed between the substrate and the micro semiconductor devices. The fixing structure includes a plurality of conductive layers and a plurality of supporting layers. The conductive layers are disposed on the lower surfaces of the micro semiconductor devices. The supporting layers are connected to the conductive layers and the substrate. The material of each of the conductive layers is different from the material of each of the supporting layers.

Abstract: A micro light-emitting diode device includes a substrate, a micro light-emitting diode, a first protection layer and a second protection layer. The micro light-emitting diode is disposed on the substrate. The first protection layer is disposed on a first portion of an outer side wall of the micro light-emitting diode and has a gap from the substrate. The second protection layer is at least disposed on a second portion of the outer side wall and is located in the gap between the first protection layer and the substrate. A height of the second protection layer on the substrate is less than or equal to a height of the micro light-emitting diode on the substrate.

Abstract: A micro light emitting device display apparatus including a circuit substrate, a plurality of micro light emitting devices, a first common electrode layer, and a second common electrode layer is provided. The micro light emitting devices are disposed on the circuit substrate and individually include an epitaxial structure and a first-type electrode and a second-type electrode respectively disposed on two side surfaces of the epitaxial structure opposite to each other. The first common electrode layer is disposed on the circuit substrate and directly covers the plurality of first-type electrodes of the micro light emitting devices. The second common electrode layer is disposed between the micro light emitting devices. The first common electrode layer is electrically connected to the second common electrode layer.

Abstract: A micro light-emitting diode device includes a substrate, a micro light-emitting diode, a first protection layer and a second protection layer. The micro light-emitting diode is adapted to be disposed on the substrate. The first protection layer is disposed on a first portion of an outer side wall of the micro light-emitting diode and has a gap from the substrate. The second protection layer is disposed on a second portion of the outer side wall of the micro light-emitting diode. The second protection layer is located in the gap between the first protection layer and the substrate and covers a part of the first protection layer. A maximum thickness of the first protection layer on the outer side wall is less than a maximum thickness of the second protection layer on the outer side wall.

Abstract: A micro light emitting diode including an epitaxial structure and two electrodes is provided. The epitaxial structure includes a first surface, a second surface and a side surface. The first surface is opposite to the second surface, and the side surface is connected to the first surface and the second surface. The side surface includes a first portion and a second portion. The first portion is connected to the second portion to form a turning position. A width of the epitaxial structure gradually increases from the first surface to the turning position and gradually decreases from the turning position to the second surface. The two electrodes are disposed on the epitaxial structure and are electrically connected to the epitaxial structure. A micro light emitting diode device substrate adopting the micro light emitting diode is also provided.