Epistar Corporation

Microjet Technology Company, Ltd.

Chun-Lung Tseng

Chi-Feng Huang

Yung-Lung Han

Hao-Jan Mou

Shih-Chang Chen

Jar-Yu Wu

Ching-Hsing Shen

Che-Wei Huang

Ching-Jang Su

Chien-Tang Wen

Jia-Yu Liao

Yu-Ming Kun

Chang-Yen Tsai

Chun-Yi Kuo

Yi-Ting Lu

Chih-Tsung Su

Chih-Hui Alston Liu

Jyun-Yi Jhang

Keng-Lin Chuang

Chin-Kang Hu

Sheng-Hsiung Chuang

Wei-Ting Cheng

Jui-Fen Chien

Yu-Ming Kung

Chiao-Yao Cheng

Hung-Yao Lin

Hsin-Yi Wang

A gas transportation device is provided and includes an outer housing, a valve body and an actuator. The valve body includes a gas outlet plate, a valve plate and a first plate. The gas outlet plate includes plural outlet apertures, the first plate includes plural first orifices, the valve plate includes plural valve openings, the plural valve openings are misaligned with the plural first orifices and corresponding in position to the plural outlet apertures. The actuator having an actuating component in rectangular shape is stacked and disposed on the valve body. When the actuator is driven, through the structure that the plural first orifices and the plural valve openings are misaligned, the valve body is operated to open a flow path when an airflow is in a forward direction, and the valve body is operated to seal the flow path when the airflow is in a reverse direction.

Gas transportation device

A miniature blower includes a soft sheet, a nozzle plate, a chamber frame, an actuator body, an insulation frame, and a conductive frame. The nozzle plate has a suspension portion, and the soft sheet is disposed on the suspension portion. The chamber frame is disposed on the nozzle plate. The actuator body includes a piezoelectric carrier plate, an adjusting resonance plate, and a piezoelectric plate. The actuator body is disposed on the chamber frame. The insulation frame is disposed on the actuator. The center point of a central hole of the soft sheet and the center point of a hollow hole of the suspension portion are located at the same axis.

Miniature blower

A light-emitting device, includes: a semiconductor stack, including a top surface, wherein the top surface includes a first region and a second region which are coplanar; a current barrier layer formed on the first region, wherein the current barrier layer includes an insulating material; and a transparent conductive layer formed on the current barrier layer and the second region; and a first electrode formed on the transparent conductive layer; wherein the current barrier layer includes: an electrode region at a position corresponding to the first electrode, having a shape substantially the same as the first electrode; and a plurality of extension regions extending from the electrode region and not covered by the first electrode.

Method of making a light emitting device and light emitting device made thereof

A gas transportation device includes a casing, a nozzle plate, a chamber frame, an actuator, an insulating frame and a conducting frame, which are stacked sequentially. A resonance chamber is defined by the actuator, the chamber frame and the suspension plate collaboratively. When the actuator is enabled, the nozzle plate is subjected to resonance and the suspension plate of the nozzle plate vibrates in the reciprocating manner. Consequently, the gas is transferred to a gas-guiding chamber through the at least one vacant space and discharged from the discharging opening and the gas is circulated.

A gas transportation device includes a casing, a nozzle plate, a chamber frame, an actuator, an insulating frame and a conducting frame, which are stacked sequentially. The nozzle plate includes at least one bracket, a suspension plate and a through hole. The bracket includes a fixing part and a connecting part. A shape of the fixing part matches a shape of the fixing recess. The nozzle plate is accommodated within the accommodation space. A resonance chamber is defined by the actuator, the chamber frame and the suspension plate collaboratively. When the actuator is enabled, the nozzle plate is subjected to resonance and the suspension plate of the nozzle plate vibrates in the reciprocating manner. Consequently, the gas is transported to a gas-guiding chamber through the at least one vacant space and outputted from the discharging opening, thereby achieving the gas transportation and circulation.

A gas transportation device includes a casing, a nozzle plate, a chamber frame, an actuator, an insulating frame and a conducting frame, which are stacked sequentially. The casing has a conduit protruding outwardly from the casing and aligned with a discharging opening. The conduit has a guiding channel and an outlet. The guiding channel has a cone shape and is tapered from an end proximate to the discharging opening to the other end proximate to the outlet. The actuator, the chamber frame and the suspension plate collaboratively define a resonance chamber. When the actuator is driven, the nozzle plate is subjected to resonance and the suspension plate of the nozzle plate vibrates in a reciprocating manner. Consequently, the gas is transported to a gas-guiding chamber through at least one gap and outputted from the discharging opening.

A gas transportation device includes a casing, a nozzle plate, a chamber frame, an actuator, an insulating frame and a conducting frame, which are stacked sequentially. A cuboidal resonance chamber is defined by the actuator, the chamber frame and a suspension plate of the nozzle plate collaboratively. When the actuator is driven, the nozzle plate is subjected to a resonance and the suspension plate of the nozzle plate vibrates in the reciprocating manner. Consequently, the gas is transported to a gas-guiding chamber through at least one interspace and discharged from the discharging opening so as to implement the gas circulation.

A method of manufacturing a light-emitting device includes: providing a substrate; forming a light-emitting structure comprising an active layer on the substrate; forming a protective layer having a first thickness on the light-emitting structure; etching the protective layer such that the protective layer has a second thickness less than the first thickness; and patterning the protective layer.

Method of making a light emitting device having a patterned protective layer

A metal recycling method comprises attaching a tape to a metal layer of a semiconductor structure; and separating a part of the metal layer from the semiconductor structure and transferring the part of the metal layer to the tape by a pressure difference.

Metal recycling method and metal recycling equipment thereof

A manufacturing method of a light-emitting device is disclosed. The method includes: providing a semiconductor wafer, including a substrate having a first surface and a second surface opposite to the first surface; and a semiconductor stack on the first surface; removing a portion of the semiconductor stack to form an exposed region; forming a first reflective structure on the exposed region; and providing a radiation on the second surface corresponding to a position of the first reflective structure.

Light-emitting device and manufacturing method thereof

A light-emitting device is disclosed. The light-emitting device comprises a substrate; an inorganic semiconductor formed on the substrate, comprising a top surface, wherein the top surface comprises a first region and a second region which are coplanar; a current barrier layer formed on the first region, wherein the current barrier layer comprises an insulating material; and a transparent conductive layer formed on the current barrier layer and contacting the second region; wherein the current barrier layer has a sidewall and a bottom surface facing the first region; wherein an angle between the sidewall and the bottom surface is between 10&#xb0;-70&#xb0;.

Light-emitting device

A light-emitting device is disclosed, comprising a substrate; a light-emitting structure on the substrate comprising a first region and a second region; a barrier layer on the first region having a bottom surface and a sidewall, wherein an angle between the sidewall and the bottom surface is between 10&#xb0;70&#xb0;; and a transparent conductive layer formed on the light-emitting structure and the barrier layer; wherein a difference between a thickness of the transparent conductive layer at the sidewall on the barrier layer and a thickness of the transparent conductive layer on the second region of the light-emitting structure forms a ratio not larger than 10 %.

Light emitting device

A method for manufacturing a light-emitting device comprising the steps of: providing a substrate; forming a semiconductor epitaxial stack on the substrate; and forming multiple isolation trenches in the semiconductor epitaxial stack by using a laser beam irradiating the semiconductor epitaxial stack to define multiple light-emitting diode units wherein partial of the substrate is exposed by the isolation trenches.

Light-emitting device and method for manufacturing the same

A light-emitting element, comprises: a substrate; a light-emitting semiconductor stack over the substrate and comprising an active layer; and a Distributed Bragg reflective unit under the substrate comprising a first Distributed Bragg reflective structure under the substrate and comprising a first number of pairs of alternately stacked first sub-layers and second sub-layers, and a second Distributed Bragg reflective structure under the first Distributed Bragg reflective structure and comprising a second number of pairs of alternately stacked third sub-layers and fourth sub-layers, wherein the first number is different from the second number.

Growing community of inventors

Hsinchu, Taiwan

Chun-Lung Tseng