H01L33/36

Micro light-emitting diode display device and micro light-emitting diode driving circuit
10680035 · 2020-06-09 · ·

A micro light-emitting diode display device including a driving transistor and a micro light-emitting diode is provided. The driving transistor includes a substrate, a gate, a gate insulator, a semiconductor layer, a drain electrode, and a source electrode. The gate insulator has a thickness less than or equal to about 500 angstroms. The micro light-emitting diode has a lateral length less than or equal to about 50 m and is electrically connected to one of the source electrode and the drain electrode. A current injection channel is extended within one of a first type semiconductor layer and a second type semiconductor layer of the micro light-emitting diode and is spaced apart from a side surface of the micro light-emitting diode. A lateral length a light-emitting portion of an active layer of the micro light-emitting diode is less than or equal to about 10 m.

MICRO SEMICONDUCTOR STRUCTURE

A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, a plurality of micro semiconductor devices disposed on the substrate, and a first supporting layer disposed between the substrate and the micro semiconductor devices. Each of the micro semiconductor devices has a first electrode and a second electrode disposed on a lower surface of the micro semiconductor devices. The lower surface includes a region, wherein the region is between the first electrode and the second electrode. An orthographic projection of the first supporting layer on the substrate at least overlaps an orthographic projection of a portion of the region on the substrate. The first supporting layer directly contacts the region.

MICRO SEMICONDUCTOR STRUCTURE

A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, a plurality of micro semiconductor devices disposed on the substrate, and a first supporting layer disposed between the substrate and the micro semiconductor devices. Each of the micro semiconductor devices has a first electrode and a second electrode disposed on a lower surface of the micro semiconductor devices. The lower surface includes a region, wherein the region is between the first electrode and the second electrode. An orthographic projection of the first supporting layer on the substrate at least overlaps an orthographic projection of a portion of the region on the substrate. The first supporting layer directly contacts the region.

MICRO SEMICONDUCTOR STRUCTURE

A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, at least one supporting layer, and at least one micro semiconductor device. The supporting layer includes at least one upper portion and a bottom portion, wherein the upper portion extends in a first direction. The length L1 of the upper portion in the first direction is greater than the length L2 of the bottom portion in the first direction. Furthermore, the bottom surface of the micro semiconductor device is in direct contact with the upper portion of the supporting layer.

MICRO SEMICONDUCTOR STRUCTURE

A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, at least one supporting layer, and at least one micro semiconductor device. The supporting layer includes at least one upper portion and a bottom portion, wherein the upper portion extends in a first direction. The length L1 of the upper portion in the first direction is greater than the length L2 of the bottom portion in the first direction. Furthermore, the bottom surface of the micro semiconductor device is in direct contact with the upper portion of the supporting layer.

Method for manufacturing light emitting device, and light emitting device

A method for manufacturing a light-emitting device, comprising: forming, over a substrate, a plurality of multilayered light-emitting structures each including a first electrode, a light-emitting layer, and a second electrode; forming, in the substrate, a plurality of grooves that surround the multilayered light-emitting structures individually; forming, over the substrate, a sealing film that covers the multilayered light-emitting structures and the grooves; and separating the multilayered light-emitting structures from one another after forming the sealing film, by cutting the substrate such that, in each groove, part of the sealing film covering a given inner side surface of the groove remains, the given inner side surface being adjacent to any of the multilayered light-emitting structures.

Method for manufacturing light emitting device, and light emitting device

A method for manufacturing a light-emitting device, comprising: forming, over a substrate, a plurality of multilayered light-emitting structures each including a first electrode, a light-emitting layer, and a second electrode; forming, in the substrate, a plurality of grooves that surround the multilayered light-emitting structures individually; forming, over the substrate, a sealing film that covers the multilayered light-emitting structures and the grooves; and separating the multilayered light-emitting structures from one another after forming the sealing film, by cutting the substrate such that, in each groove, part of the sealing film covering a given inner side surface of the groove remains, the given inner side surface being adjacent to any of the multilayered light-emitting structures.

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
20200168777 · 2020-05-28 · ·

A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a pixel circuit on the substrate, the pixel circuit including: a gate electrode, a drain electrode, and a source electrode, a vertical LED element on the substrate, the vertical LED element including: a first electrode, an active layer under the first electrode, and a second electrode under the active layer, an encapsulation film surrounding the vertical LED element, the encapsulation film exposing a portion of a side of the second electrode, a first connection electrode electrically connected to the first electrode, and a second connection electrode electrically connected to the second electrode.

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
20200168777 · 2020-05-28 · ·

A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a pixel circuit on the substrate, the pixel circuit including: a gate electrode, a drain electrode, and a source electrode, a vertical LED element on the substrate, the vertical LED element including: a first electrode, an active layer under the first electrode, and a second electrode under the active layer, an encapsulation film surrounding the vertical LED element, the encapsulation film exposing a portion of a side of the second electrode, a first connection electrode electrically connected to the first electrode, and a second connection electrode electrically connected to the second electrode.

Micro lighting device
10665764 · 2020-05-26 · ·

A micro lighting device includes a substrate, an isolation layer formed on the substrate, a side-emission micro device, and a switching device. The side-emission micro device includes a first electrode, a second electrode and an emission surface. The side-emission micro device is disposed in a way so that the emission surface is perpendicular or parallel to the surface of the substrate. The switching device includes a first end, a second end coupled to the first electrode, and a control end.