Abstract: An optoelectronic device includes a semiconductor stack including a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface. The second contact layer is not overlapped with the first contact layer in a vertical direction. The second contact layer includes a plurality of dots separating to each other and formed of semiconductor material.

Abstract: A light-emitting device includes: a light-emitting stack including a first active layer emitting a first light having a first peak wavelength; a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; and a tunneling junction between the diode and the light-emitting stack, wherein the tunneling junction includes a first tunneling layer and a second tunneling layer on the first tunneling layer, the first tunneling layer has a band gap and a thickness of the first tunneling layer is greater than a thickness of the second tunneling layer.

Abstract: An optoelectronic device includes a semiconductor structure having a first side and a second side opposite to the first side, a first pad at the first side, a first finger connected to the electrode pad and having a first width, an insulating layer at the second side and comprising a first part under the first finger, the first part having a bottom surface with a second width larger than the first width and a side surface inclined to the bottom surface, and a contact layer covering the bottom surface and the side surface.

Abstract: An optoelectronic device includes a semiconductor stack including a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface. The second contact layer is not overlapped with the first contact layer in a vertical direction. The second contact layer includes a plurality of dots separating to each other and formed of semiconductor material.

Abstract: An optoelectronic device includes a semiconductor structure having a first side and a second side opposite to the first side, a first pad at the first side, a first finger connected to the electrode pad and having a first width, an insulating layer at the second side and comprising a first part under the first finger, the first part having a bottom surface with a second width larger than the first width and a side surface inclined to the bottom surface, and a contact layer covering the bottom surface and the side surface.

Abstract: The present disclosure is related to an optoelectronic device comprising a semiconductor stack comprising a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; wherein the second contact layer comprises a plurality of dots separating from each other and formed of semiconductor material.

Abstract: A light-emitting device includes: a light-emitting stack including a first active layer emitting a first light having a first peak wavelength; a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; and a tunneling junction between the diode and the light-emitting stack, wherein the tunneling junction includes a first tunneling layer and a second tunneling layer on the first tunneling layer, the first tunneling layer has a band gap and a thickness of the first tunneling layer is greater than a thickness of the second tunneling layer.

Abstract: A light-emitting device is provided. comprises: a light-emitting stack comprising an active layer emitting a first light having a first peak wavelength ? nm; and an adjusting element stacked on and electrically connected to the active layer, wherein the adjusting element comprises a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; wherein a forward voltage of the light-emitting device is between (1240/0.8?) volt and (1240/0.5?) volt, and a ratio of the intensity of the first light emitted from the active layer at the first peak wavelength to the intensity of the second light emitted from the diode at the second peak wavelength is greater than 10 and not greater than 1000.

Abstract: A light-emitting device is provided. comprises: a light-emitting stack comprising an active layer emitting a first light having a first peak wavelength ? nm; and an adjusting element stacked on and electrically connected to the active layer, wherein the adjusting element comprises a diode emitting a second light having a second peak wavelength between 800 nm and 1900 nm; wherein a forward voltage of the light-emitting device is between (1240/0.8?) volt and (1240/0.5?) volt, and a ratio of the intensity of the first light emitted from the active layer at the first peak wavelength to the intensity of the second light emitted from the diode at the second peak wavelength is greater than 10 and not greater than 1000.

Abstract: The present disclosure is related to an optoelectronic device comprising a semiconductor stack comprising a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; wherein the second contact layer comprises a plurality of dots separating to each other and formed of semiconductor material.

Abstract: A light-emitting device is provided. The light-emitting device comprises: a light-emitting stack having an active layer emitting first light having a peak wavelength ? nm; and an adjusting element stacked electrically connected to the active layer in series for tuning a forward voltage of the light-emitting device; wherein the forward voltage of the light-emitting device is between (1240/0.8?) volt and (1240/0.5?) volt.

Abstract: A light-emitting device is provided. The light-emitting device comprises: a light-emitting stack having an active layer emitting first light having a peak wavelength ? nm; and an adjusting element stacked electrically connected to the active layer in series for tuning a forward voltage of the light-emitting device; wherein the forward voltage of the light-emitting device is between (1240/0.8?) volt and (1240/0.5?) volt.