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公开(公告)号：US12095010B2
公开(公告)日：2024-09-17
申请号：US18051182
申请日：2022-10-31
Inventor： Cheng Meng , Yuehua Jia , Jing Wang , Chun-Yi Wu , Ching-Shan Tao , Duxiang Wang
CPC classification number: H01L33/405 , H01L33/0093 , H01L33/38 , H01L33/42 , H01L33/44 , H01L33/30 , H01L2933/0016 , H01L2933/0025
Abstract: 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.
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公开(公告)号：US10411163B2
公开(公告)日：2019-09-10
申请号：US16101198
申请日：2018-08-10
Inventor： Cheng Meng , Yuehua Jia , Jing Wang , Chun-Yi Wu , Ching-Shan Tao , Duxiang Wang
Abstract: 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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公开(公告)号：US11522107B2
公开(公告)日：2022-12-06
申请号：US16888966
申请日：2020-06-01
Inventor： Cheng Meng , Yuehua Jia , Jing Wang , Chun-Yi Wu , Ching-Shan Tao , Duxiang Wang
Abstract: 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.
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公开(公告)号：US10707381B2
公开(公告)日：2020-07-07
申请号：US16522634
申请日：2019-07-25
Inventor： Cheng Meng , Yuehua Jia , Jing Wang , Chun-Yi Wu , Ching-Shan Tao , Duxiang Wang
Abstract: 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.
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