Abstract:
A optoelectronic device comprises a semiconductor stack layer; a first transparent conductive oxide (abbreviate as “TCO” hereinafter) layer located on the semiconductor stack layer, wherein the first TCO layer has at least one opening; and a second TCO layer covering the first TCO layer, wherein the second TCO layer is filled into the opening of the first TCO layer and contacted with the semiconductor stack layer, and one of the first TCO layer and the second TCO layer forms an ohmic contact with the semiconductor stack layer.
Abstract:
A card edge connector (100) includes an insulative housing, a set of contacts (2) retained in the insulative housing and an ejector (3). The insulative housing has a central slot (12) and at least one tower portion (13). The tower portion includes a pair of outer walls (131) and a receiving slot (135) formed between the outer walls. Each outer wall has a ladder with a circular hole (1312) formed therein. The ejector has a pair of spindles (312) received in the circular holes and a pair of standoffs (313). Each standoff has a horizontal surface (3131) abutting against a corresponding horizontal resisting surface (1314) formed on the ladder so as to make centers of the spindle and the circular hole overlap when the ejector rotates inwardly.
Abstract:
This invention provides an optoelectronic semiconductor device having a rough surface and the manufacturing method thereof. The optoelectronic semiconductor device comprises a semiconductor stack having a rough surface and an electrode layer overlaying the semiconductor stack. The rough surface comprises a first region having a first topography and a second region having a second topography. The method comprises the steps of forming a semiconductor stack on a substrate, forming an electrode layer on the semiconductor stack, thermal treating the semiconductor stack, and wet etching the surface of the semiconductor stack to form a rough surface.
Abstract:
A card edge connector for use with a daughter board, and comprises an insulative elongated housing extending along a longitudinal direction, and defining opposite first and second side walls and a central slot formed therebetween for receiving the daughter board therein, a plurality of contacts each defining a retention portion retained in the housing, a resilient contact portion extending into the central slot from an upper portion of the retention portion for contacting with the daughter board, and a solder tail extending out of the housing form a lower portion of the retention portion. Wherein the contacts include a first row of contacts disposed in the first side wall, and a second row of contacts disposed in the second side wall. The first row of contacts have at least two adjacent grounding contacts electrically connected with each other during the contact portions of the contacts are contacting with the daughter board.
Abstract:
A light-emitting element includes a supportive substrate; a reflective layer formed on the supportive substrate; a transparent layer formed on the reflective layer; a light-emitting stacked layer formed on the transparent layer; an etching-stop layer formed between the transparent layer and the reflective layer; and a plurality of contact parts formed between the light-emitting stacked layer and the transparent layer.
Abstract:
A light-emitting element includes: a substrate including a first surface and a second surface different from the first surface; a plurality of light-emitting structure units disposed on the second surface; and a trench formed on the first surface and between the plurality of light-emitting structure units.
Abstract:
This application provides a semiconductor light-emitting device and the manufacturing method thereof. The semiconductor light-emitting device comprises a semiconductor light-emitting structure and a thinned substrate. The semiconductor light-emitting structure comprises a plurality of semiconductor layers and a plurality of first channels, wherein a plurality of first channels has a predetermined depth that penetrating at least two layers of the plurality of semiconductor layers.
Abstract:
A light-emitting device and the method for making the same is disclosed. The light-emitting device is a semiconductor device, comprising a growth substrate, an n-type semiconductor layer, a quantum well active layer and a p-type semiconductor layer. It combines the holographic and the quantum well interdiffusion (QWI) to form a photonic crystal light-emitting device having a dielectric constant of two-dimensional periodic variation or a material composition of two-dimensional periodic variation in the quantum well active layer. The photonic crystal light-emitting devices can enhance the internal efficiency and light extraction efficiency.
Abstract:
A card edge connector for mating with an electronic card includes an elongated housing, a number of contacts and a retainer retained to the housing. The housing has a pair of side walls, a central slot between the side walls and a first tower upwardly extending at one end thereof. The first tower defines a first U-shaped cavity downwardly extending from a top end thereof and a mounting slot upwardly extending from a lower end thereof and located at outside of the first cavity. The first cavity communicates with the central slot along a length direction of the housing to receive the electronic card. The retainer has a non-flexible fastening portion retained in the mounting slot and a flexible locking barb obliquely protruding into the first cavity from a top end of the fastening portion to lock with the electronic card.
Abstract:
A card edge connector includes a longitudinal insulative housing having a receiving slot formed therein and extending in a longitudinal direction for insertion of a module; a set of contacts retained in the insulative housing and protruding into the receiving slot for mating with the module; an ejector rotatably attached to one longitudinal end of the insulative housing for latching with or ejecting the module; and a spring member retained in the other longitudinal end of the insulative housing and having a pair of resilient locking arms for locking with the module.