摘要:
An integrated circuit (IC) including at least a first and a second logical blocks and a photonic board is provided. The photonic board connects with the first and the second logical blocks through a eutectic bonding technology, and communicates at least a logical signal of the first logical block to the second logical block by light conduction.
摘要:
Sulfur-containing chalcogenide absorbers in thin film solar cell are manufactured by sequential sputtering or co-sputtering targets, one of which contains a sulfur compound, onto a substrate and then annealing the substrate. The anneal is performed in a non-sulfur containing environment and avoids the use of hazardous hydrogen sulfide gas. A sulfurized chalcogenide is formed having a sulfur concentration gradient.
摘要:
A circuit structure includes a substrate and a film over the substrate and including a plurality of portions allocated as a plurality of rows. Each of the plurality of rows of the plurality of portions includes a plurality of convex portions and a plurality of concave portions. In each of the plurality of rows, the plurality of convex portions and the plurality of concave portions are allocated in an alternating pattern.
摘要:
A method of forming a circuit structure includes providing a substrate; forming recesses in the substrate; forming a mask layer over the substrate, wherein the mask layer covers non-recessed portions of the substrate, with the recesses exposed through openings in the mask layer; forming a buffer/nucleation layer on exposed portions of the substrate in the recesses; and growing a group-III group-V (III-V) compound semiconductor material from the recesses until portions of the III-V compound semiconductor material grown from the recesses join each other to form a continuous III-V compound semiconductor layer.
摘要:
An LED device and a method of manufacturing, including an embedded top electrode, are presented. The LED device includes an LED structure and a top electrode. The LED structure includes layers disposed on a substrate, including an active light-emitting region. A top layer of the LED structure is a top contact layer. The top electrode is embedded into the top contact layer, wherein the top electrode electrically contacts the top contact layer.
摘要:
A light-emitting diode (LED) device is provided. The LED device is formed on a substrate having a carbon-containing layer. Carbon atoms are introduced into the substrate to prevent or reduce atoms from an overlying metal/metal alloy transition layer from inter-mixing with atoms of the substrate. In this manner, a crystalline structure is maintained upon which the LED structure may be formed.
摘要:
A semiconductor device having light-emitting diodes (LEDs) formed on a concave textured substrate is provided. A substrate is patterned and etched to form recesses. A separation layer is formed along the bottom of the recesses. An LED structure is formed along the sidewalls and, optionally, along the surface of the substrate between adjacent recesses. In these embodiments, the surface area of the LED structure is increased as compared to a planar surface. In another embodiment, the LED structure is formed within the recesses such that the bottom contact layer is non-conformal to the topology of the recesses. In these embodiments, the recesses in a silicon substrate result in a cubic structure in the bottom contact layer, such as an n-GaN layer, which has a non-polar characteristic and exhibits higher external quantum efficiency.
摘要:
A method of forming a circuit structure includes providing a substrate; forming recesses in the substrate; forming a mask layer over the substrate, wherein the mask layer covers non-recessed portions of the substrate, with the recesses exposed through openings in the mask layer; forming a buffer/nucleation layer on exposed portions of the substrate in the recesses; and growing a group-III group-V (III-V) compound semiconductor material from the recesses until portions of the III-V compound semiconductor material grown from the recesses join each other to form a continuous III-V compound semiconductor layer.
摘要:
A light-emitting diode (LED) device is provided. The LED device has a substrate and an LED structure overlying the substrate. Embedded elements are embedded within one or more layers of the LED structure. In an embodiment, the embedded elements include a dielectric material extending through the LED structure such that the embedded elements are surrounded by the LED structure. In another embodiment, the embedded elements only extend through an upper layer of the LED structure, or alternatively, partially through the upper layer of the LED structure. Another conductive layer may be formed over the upper layer of the LED structure and the embedded elements.
摘要:
A light-emitting diode (LED) device is provided. The LED device has a substrate, a reflective structure over the substrate, and an LED structure over the reflective structure. The reflective structure is formed of non-metallic materials. In one embodiment, the reflective structure is formed of alternating layers of different non-metallic materials having different refractive indices. In another embodiment, the reflective structure is formed of alternating layers of high-porosity silicon and low-porosity silicon. In yet another embodiment, the reflective structure is formed of silicon dioxide, which may allow the use of fewer layers. The reflective structure may be formed directly on the same substrate as the LED structure or formed on a separate substrate and then bonded to the LED structure.