Xiamen Sanan Optoelectronics Technology Co., Ltd.

Jing Wang

Duxiang Wang

Chun-Yi Wu

Ching-Shan Tao

Cheng Meng

Yuehua Jia

A light-emitting diode includes a light-emitting epitaxial layer having a first surface as a light-emitting surface and a second surface opposing the first surface, a first type semiconductor layer, an active layer, and a second type semiconductor layer; a transparent dielectric layer located on the second surface and in direct contact with the light-emitting epitaxial laminated layer, and having conductive through-holes therein; a transparent conductive layer located on one side surface of the transparent dielectric layer that is distal from the light-emitting epitaxial laminated layer; and a metal reflective layer located on one side surface of the transparent conductive layer that is distal from the transparent dielectric layer; wherein the transparent dielectric layer includes a first layer and a second layer; and wherein the first layer is thicker than the second layer, and a refractivity of the first layer is less than a refractivity of the second layer.

Light emitting diode and fabrication method thereof

A light-emitting diode includes a light-emitting epitaxial layer having a first surface as a light-emitting surface and a second, opposing, surface, including a first type semiconductor layer, an active layer, and a second type semiconductor layer; a metal reflective layer disposed over the second surface; and a protective layer formed seamlessly on a surface of the metal reflective layer and on a side wall of the metal reflective layer.

A light-emitting diode includes a light-emitting epitaxial laminated layer having a first surface and a second, opposing, surface, including an n-type semiconductor layer, a light emitting layer, and a p-type semiconductor layer; an omnidirectional reflector structure formed on the second surface of the light-emitting epitaxial laminated layer, including a transparent dielectric layer located on the second surface of the light-emitting epitaxial laminated layer and having conductive holes therein; a first transparent adhesive layer on one side surface of the transparent dielectric layer that is distal from the light-emitting epitaxial laminated layer; a second transparent adhesive layer on one side surface of the first transparent adhesive layer that is distal from the transparent dielectric layer; and a metal reflective layer on one side surface of the second transparent adhesive layer that is distal from the first transparent adhesive layer.

A light-emitting diode includes a light-emitting epitaxial laminated layer and an omnidirectional reflector structure. The light-emitting epitaxial laminated layer has a first surface and an opposing second surface, including an n-type semi-conductive layer, a light emitting layer and a p-type semiconductor layer. The omnidirectional reflector structure is formed on the second surface of the light-emitting epitaxial laminated layer, including: a transparent dielectric layer on the second surface of the light-emitting epitaxial laminated layer and having conductive holes therein; a first transparent adhesive layer on one side surface of the transparent dielectric layer distal from the light-emitting epitaxial laminated layer and covering side walls of the conductive holes; a second transparent adhesive layer on one side surface of the first transparent adhesive layer distal from the transparent dielectric layer; and a metal reflective layer on one side of the second transparent adhesive layer distal from the first transparent adhesive layer.

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Xiamen, China

Jing Wang