Patent classifications
H01L33/14
Semiconductor chip of light emitting diode and manufacturing method thereof
A semiconductor chip of a LED and a manufacturing method thereof are disclosed. The semiconductor chip includes a substrate, an N-type semiconductor layer, an active region, a P-type semiconductor layer, and at least one semiconductor exposing portion extending from the P-type semiconductor layer to the N-type semiconductor layer. The semiconductor chip further includes one or more current blocking layers, a transparent conductive layer, an N-type electrode, and a P-type electrode, wherein the current blocking layer encapsulates the P-type semiconductor in such a manner to be stacked on the P-type semiconductor layer. The transparent conductive layer has one or more through holes corresponding to the one or more current blocking layers respectively. The N-type electrode is stacked on the N-type semiconductor layer and the P-type electrode is stacked on the N-type semiconductor layer. The P-type prongs of the P-type electrode are retained in the through holes of the transparent conductive layer respectively.
Semiconductor chip of light emitting diode and manufacturing method thereof
A semiconductor chip of a LED and a manufacturing method thereof are disclosed. The semiconductor chip includes a substrate, an N-type semiconductor layer, an active region, a P-type semiconductor layer, and at least one semiconductor exposing portion extending from the P-type semiconductor layer to the N-type semiconductor layer. The semiconductor chip further includes one or more current blocking layers, a transparent conductive layer, an N-type electrode, and a P-type electrode, wherein the current blocking layer encapsulates the P-type semiconductor in such a manner to be stacked on the P-type semiconductor layer. The transparent conductive layer has one or more through holes corresponding to the one or more current blocking layers respectively. The N-type electrode is stacked on the N-type semiconductor layer and the P-type electrode is stacked on the N-type semiconductor layer. The P-type prongs of the P-type electrode are retained in the through holes of the transparent conductive layer respectively.
Light emitting device
A method of manufacturing a light emitting device including forming first light emitting parts on a first substrate, the first light emitting part including a first n-type semiconductor layer and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first electrode and exposing a portion of the first n-type semiconductor layer, forming second light emitting parts on a second substrate, the second light emitting part including a second n-type semiconductor layer and a second mesa structure including a second active layer, a second p-type semiconductor layer, and a second electrode and exposing a portion of the second n-type semiconductor layer, attaching a first removable carrier onto the second light emitting parts and enclosing the second light emitting parts, removing the second substrate from the second light emitting parts, and bonding the second light emitting parts to the first light emitting parts.
Light emitting device
A method of manufacturing a light emitting device including forming first light emitting parts on a first substrate, the first light emitting part including a first n-type semiconductor layer and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first electrode and exposing a portion of the first n-type semiconductor layer, forming second light emitting parts on a second substrate, the second light emitting part including a second n-type semiconductor layer and a second mesa structure including a second active layer, a second p-type semiconductor layer, and a second electrode and exposing a portion of the second n-type semiconductor layer, attaching a first removable carrier onto the second light emitting parts and enclosing the second light emitting parts, removing the second substrate from the second light emitting parts, and bonding the second light emitting parts to the first light emitting parts.
Semiconductor light-emitting element
A semiconductor light-emitting element includes: an n-type contact layer; an n-side inserted layer provided on a first upper surface of the n-type contact layer, made of an AlGaN-based semiconductor material, and having a thickness equal to or smaller than 5 nm; an n-type clad layer provided on the n-side inserted layer; an active layer provided on the n-type clad layer and including a well layer and a barrier layer made of an AlGaN-based semiconductor material; a p-type clad layer provided on the active layer; a p-side inserted layer provided on the p-type clad layer, made of an AlGaN-based semiconductor material, and having a thickness equal to or smaller than 5 nm; and a p-type contact layer provided on the p-side inserted layer. An AlN composition of each of the n-side and p-side inserted layers is higher than an AlN composition of the barrier layer.
Indium Gallium Nitride (inGaN) Relaxed Templates Employed as a Substrate for Nitride-Based Devices and Related Methods
Various examples are provided related to InGaN-relaxed templates. In one example, a device structure includes a GaN layer; and a semibulk template comprising a plurality of stacked periods on the GaN layer. Each period can include a layer of InGaN and a GaN interlayer disposed on the layer of InGaN, where a thickness of the GaN interlayer of a top period of the stacked periods is greater than a thickness of the GaN interlayer of a bottom period disposed on the GaN layer. In another example, a method includes forming a GaN layer and forming a semibulk template including a plurality of stacked periods on the GaN layer. Each period can include a layer of InGaN and a GaN interlayer disposed on the layer of InGaN, where a thickness of the GaN interlayer of the top period is greater than the GaN interlayer of the bottom period.
SEMICONDUCTOR LIGHT-EMITTING ELEMENT
A semiconductor light-emitting element includes: an n-type contact layer; an n-side inserted layer provided on a first upper surface of the n-type contact layer, made of an AlGaN-based semiconductor material, and having a thickness equal to or smaller than 5 nm; an n-type clad layer provided on the n-side inserted layer; an active layer provided on the n-type clad layer and including a well layer and a barrier layer made of an AlGaN-based semiconductor material; a p-type clad layer provided on the active layer; a p-side inserted layer provided on the p-type clad layer, made of an AlGaN-based semiconductor material, and having a thickness equal to or smaller than 5 nm; and a p-type contact layer provided on the p-side inserted layer. An AlN composition of each of the n-side and p-side inserted layers is higher than an AlN composition of the barrier layer.
Beryllium doped GaN-based light emitting diode and method
The invention described herein provides a method and apparatus to realize incorporation of Beryllium followed by activation to realize p-type materials of lower resistivity than is possible with Magnesium. Lower contact resistances and more effective electron confinement results from the higher hole concentrations made possible with this invention. The result is a higher efficiency GaN-based LED with higher current handling capability resulting in a brighter device of the same area.
OPTOELECTRONIC DEVICE COMPRISING LIGHT-EMITTING DIODES
An optoelectronic device including at least first and second light-emitting diodes, each including a first P-type doped semiconductor portion and a second N-type doped semiconductor portion, an active area including multiple quantum wells between the first and second semiconductor portions, a conductive layer covering the lateral walls of the active area and of at least a portion of the first semiconductor portion, and an insulating layer interposed between the lateral walls of the active area and of at least a portion of the conductive layer. The device includes means for controlling the conductive layer of the first light-emitting diode independently from the conductive layer of the second light-emitting diode.
COMPONENT WITH REDUCED ABSORPTION AND METHOD FOR PRODUCING A COMPONENT
The invention relates to a component comprising a substrate, a semiconductor element arranged on the substrate, an intermediate layer arranged at least in sections between the substrate and the semiconductor element, and a first contact structure, wherein the semiconductor element has a first semiconductor layer, a second semiconductor layer and an active zone, which is arranged in a vertical direction between the semiconductor layers and designed for generating electromagnetic radiation. The active zone has locally deactivated regions along lateral directions, which are not designed for generating electromagnetic radiation. The semiconductor element has an opening which extends through the second semiconductor layer and the active zone to the first semiconductor layer, wherein the opening is different from the deactivated regions of the active zone and is partially filled with a material of the intermediate layer. In addition, the first contact structure is designed for electrically contacting the first semiconductor layer and overlaps with the opening when viewed from above. The invention also relates to a method for producing a component of this type.