Epistar Corporation

Cheng-Long Yeh

Kuo-Feng Huang

Yi-Ching Lee

Shih-Chang Lee

Rong-Ren Lee

Yung-Fu Chang

Chun-Yu Lin

Ming-Siang Huang

Ming-Tzung Liou

Chia-Hung Lin

Cheng-Hsing Chiang

Ming-Ta Chin

Shih-Hao Cheng

Shih-Nan Yen

Yen-Chun Tseng

Jui-Che Sung

Yi-Chieh Lin

Wen-Luh Liao

Ko-Yin Lai

Yao-Ru Chang

Yi Hsiao

A semiconductor device is provided, which includes a first semiconductor structure, a second semiconductor structure, and an active region. The first semiconductor structure includes a first dopant. The second semiconductor structure is located on the first semiconductor structure and includes a second dopant different from the first dopant. The active region includes a plurality of semiconductor pairs and located between the first semiconductor structure and the second semiconductor structure. Each semiconductor pair includes a barrier layer and a well layer and includes the first dopant. The active region does not include a nitrogen element. A doping concentration of the first dopant in the first semiconductor structure is higher than a doping concentration of the first dopant in the active region.

Semiconductor device and semiconductor component including the same preliminary class

A semiconductor device is provided, which includes a first semiconductor structure, a second semiconductor structure, and an active region. The first semiconductor structure includes a first dopant. The second semiconductor structure is located on the first semiconductor structure and includes a second dopant different from the first dopant. The active region includes a plurality of semiconductor pairs and is located between the first semiconductor structure and the second semiconductor structure. One of the plurality of semiconductor pairs has a barrier layer and a well layer and includes the first dopant. The barrier layer has a first thickness and a first Al content, and the well layer has a second thickness and a second Al content, the second thickness is less than the first thickness, and the second Al content is less than the first Al content.

Semiconductor device and semiconductor component including ihe same

A semiconductor device and a package structure are provided. The semiconductor device includes a substrate, a light-emitting structure, a first semiconductor layer, a second semiconductor layer and a first electrode. The light-emitting structure is on the substrate. The first semiconductor layer is on the light-emitting structure. The second semiconductor layer is between the first semiconductor layer and the light-emitting structure. The first electrode is on the second semiconductor layer. At least a portion of the first electrode is separated from the first semiconductor layer.

Semiconductor device and package structure

An optoelectronic device includes a semiconductor stack including a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface. The second contact layer is not overlapped with the first contact layer in a vertical direction. The second contact layer includes a plurality of dots separating to each other and formed of semiconductor material.

Optoelectronic device and the manufacturing method thereof

An optoelectronic device includes a semiconductor structure having a first side and a second side opposite to the first side, a first pad at the first side, a first finger connected to the electrode pad and having a first width, an insulating layer at the second side and comprising a first part under the first finger, the first part having a bottom surface with a second width larger than the first width and a side surface inclined to the bottom surface, and a contact layer covering the bottom surface and the side surface.

The present disclosure is related to an optoelectronic device comprising a semiconductor stack comprising a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; wherein the second contact layer comprises a plurality of dots separating from each other and formed of semiconductor material.

A light-emitting device is provided. The light-emitting device comprises a light-emitting stack comprising a first cladding layer of n type, a second cladding layer of p type, and an active layer between the first cladding layer and the second cladding layer wherein the active layer comprises a well layer interposed between adjacent barrier layers. The light-emitting device further comprises a means for reducing a flicker noise of the light-emitting device.

Growing community of inventors

Hsinchu, Taiwan

Cheng-Long Yeh