摘要:
Wafer structures and wafer bonding methods are provided. In some embodiments, a wafer bonding method includes providing a conductive wafer and a plurality of insulating wafers, the conductive wafer being larger than the insulating wafers; performing a pre-treatment operation on the conductive wafer, the insulating wafers, or both; and directly bonding the insulating wafers to the conductive wafer.
摘要:
Provided are a light-emitting device including a plurality of nanorods each of which comprises an active layer formed between an n-type region and a p-type region, and a method of manufacturing the same. The light-emitting device comprises: a substrate; a first electrode layer formed on the substrate; a basal layer formed on the first electrode layer; a plurality of nanorods formed vertically on the basal layer, each of which comprises a bottom part doped with first type, a top part doped with second type opposite to the first type, and an active layer between the bottom part and the top part, an insulating region formed between the nanorods, and a second electrode layer formed on the nanorods and the insulating region.
摘要:
Provided are a nitride-based light emitting device and a method of manufacturing the same. The nitride-based light emitting device has a structure in which at least an n-cladding layer, an active layer, and a p-cladding layer are sequentially formed on a substrate. The light emitting device further includes an ohmic contact layer composed of a zinc (Zn)-containing oxide containing a p-type dopant formed on the p-cladding layer. The method of manufacturing the nitride-based light emitting device includes forming an ohmic contact layer composed of Zn-containing oxide containing a p-type dopant on the p-cladding layer, the ohmic contact layer being made and annealing the resultant structure. The nitride-based light emitting device and manufacturing method provide excellent I-V characteristics by improving ohmic contact with a p-cladding layer while significantly enhancing light emission efficiency of the device due to high light transmittance of a transparent electrode.
摘要:
Provided is a method of manufacturing a vertical light emitting device. The method of manufacturing the vertical light emitting device may include forming an emissive layer including a n-type semiconductor layer, an active layer, and a p-type semiconductor layer on a substrate, forming a first trench dividing the emissive layer into light emitting device units in which the emissive layer remains on the lower part of the first trench to a desired, or alternatively, a predetermined thickness, forming a passivation layer on the emissive layer, forming a p-type electrode on the p-type semiconductor layer of the emissive layer, forming a metal supporting layer on the passivation layer and the p-type electrode, removing the substrate, removing a remaining portion of the emissive layer when the surface of the emissive layer is exposed by removing the substrate, forming a n-type electrode on the n-type semiconductor layer of the emissive layer, and cutting the metal supporting layer to divide the emissive layer into the light emitting device units.
摘要:
Provided is a nitride-based semiconductor light emitting device having increased efficiency and power characteristics and method of manufacturing the same. The method may include forming a sacrificial layer on a substrate, forming a passivation layer on the sacrificial layer, forming a plurality of masking dots of a metal nitride on the passivation layer, laterally epitaxially growing a nitride-based semiconductor layer on the passivation layer using the masking dots as masks, forming a semiconductor device on the nitride-based semiconductor layer, and wet etching the sacrificial layer to separate and/or remove the substrate from the semiconductor device.
摘要:
Provided are a nitride-based light emitting device and a method of manufacturing the same. The nitride-based light emitting device has a structure in which at least an n-cladding layer, an active layer, and a p-cladding layer are sequentially formed on a substrate. The light emitting device further includes an ohmic contact layer composed of a zinc (Zn)-containing oxide containing a p-type dopant formed on the p-cladding layer. The method of manufacturing the nitride-based light emitting device includes forming an ohmic contact layer composed of Zn-containing oxide containing a p-type dopant on the p-cladding layer, the ohmic contact layer being made and annealing the resultant structure. The nitride-based light emitting device and manufacturing method provide excellent I-V characteristics by improving ohmic contact with a p-cladding layer while significantly enhancing light emission efficiency of the device due to high light transmittance of a transparent electrode.
摘要:
A top-emitting nitride-based light-emitting device and a method of manufacturing the same. The top-emitting nitride-based light-emitting device having a substrate, an n-cladding layer, an active layer, and a p-cladding layer sequentially formed includes: a grid cell layer formed on the p-cladding layer by a grid array of separated cells formed from a conducting material with a width of less than 30 micrometers to improve electrical and optical characteristics; a surface protective layer that is formed on the p-cladding layer and covers at least regions between the cells to protect a surface of the p-cladding layer; and a transparent conducting layer formed on the surface protective layer and the grid cell layer using a transparent conducting material. The light-emitting device and the method of manufacturing the same provide an improved ohmic contact to the p-cladding layer, excellent I-V characteristics, and high light transmittance, thus increasing luminous efficiency of the device.
摘要:
Disclosed herein is a method for manufacturing a zinc oxide semiconductor. The method comprises the steps of forming a zinc oxide thin film including a group V element as a dopant on a substrate by using a zinc oxide compound containing a group V element or an oxide thereof, charging the substrate having the zinc oxide thin film formed thereon into a chamber for thermal annealing, and thermal annealing the substrate in the chamber to activate the dopant, thereby changing the zinc oxide thin film exhibiting n-type electrical properties or insulator properties to a zinc oxide thin film exhibiting p-type electrical properties. According to the method, since a zinc oxide thin film exhibiting n-type electrical properties can be easily changed to a zinc oxide thin film exhibiting p-type electrical properties, the provision of holes required for optical devices is facilitated, thereby enabling the development of photoelectric devices such as light-emitting diodes, laser diodes and UV sensors and further extending applicability of the zinc oxide semiconductor.
摘要:
Provided is a method of manufacturing a vertical light emitting device. The method of manufacturing the vertical light emitting device may include forming an emissive layer including a n-type semiconductor layer, an active layer, and a p-type semiconductor layer on a substrate, forming a first trench dividing the emissive layer into light emitting device units in which the emissive layer remains on the lower part of the first trench to a desired, or alternatively, a predetermined thickness, forming a passivation layer on the emissive layer, forming a p-type electrode on the p-type semiconductor layer of the emissive layer, forming a metal supporting layer on the passivation layer and the p-type electrode, removing the substrate, removing a remaining portion of the emissive layer when the surface of the emissive layer is exposed by removing the substrate, forming a n-type electrode on the n-type semiconductor layer of the emissive layer, and cutting the metal supporting layer to divide the emissive layer into the light emitting device units.
摘要:
Provided are a semiconductor device and a method of fabricating the semiconductor device. The semiconductor device may be a complementary device including a p-type oxide TFT and an n-type oxide TFT. The semiconductor device may be a logic device such as an inverter, a NAND device, or a NOR device.