Patents by Inventor Hong-Che CHEN
Hong-Che CHEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10644202Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: GrantFiled: January 4, 2018Date of Patent: May 5, 2020Assignee: EPISTAR CORPORATIONInventors: Hong-Che Chen, Chien-Fu Shen, Chao-Hsing Chen, Yu-Chen Yang, Jia-Kuen Wang, Chih-Nan Lin
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Publication number: 20180145223Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: ApplicationFiled: January 4, 2018Publication date: May 24, 2018Inventors: Hong-Che CHEN, Chien-Fu SHEN, Chao-Hsing CHEN, Yu-Chen YANG, Jia-Kuen WANG, Chih-Nan LIN
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Patent number: 9905733Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: GrantFiled: March 30, 2017Date of Patent: February 27, 2018Assignee: EPISTAR CORPORATIONInventors: Hong-Che Chen, Chien-Fu Shen, Chao-Hsing Chen, Yu-Chen Yang, Jia-Kuen Wang, Chih-Nan Lin
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Publication number: 20170207368Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: ApplicationFiled: March 30, 2017Publication date: July 20, 2017Inventors: Hong-Che CHEN, Chien-Fu SHEN, Chao-Hsing CHEN, Yu-Chen YANG, Jia-Kuen WANG, Chih-Nan LIN
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Patent number: 9620679Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: GrantFiled: March 11, 2016Date of Patent: April 11, 2017Assignee: EPISTAR CORPORATIONInventors: Hong-Che Chen, Chien-Fu Shen, Chao-Hsing Chen, Yu-Chen Yang, Jia-Kuen Wang, Chih-Nan Lin
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Publication number: 20160197237Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.Type: ApplicationFiled: March 11, 2016Publication date: July 7, 2016Inventors: Hong-Che CHEN, Chien-Fu SHEN, Chao-Hsing CHEN, Yu-Chen YANG, Jia-Kuen WANG, Chih-Nan LIN
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Patent number: 9299893Abstract: A light-emitting device comprises: a light-emitting semiconductor stack comprising a recess and a mesa, wherein the recess comprises a bottom and the mesa comprises an upper surface; a first insulating layer in the recess and on a part of the upper surface of the mesa; and a first electrode comprising a first layer and a second layer, wherein the first layer comprises a first conductive material and is on another part of the upper surface of the mesa, and the second layer comprises a second conductive material and is on the first layer.Type: GrantFiled: January 8, 2014Date of Patent: March 29, 2016Assignee: EPISTAR CORPORATIONInventors: Hong-Che Chen, Chien-Fu Shen, Chao-Hsing Chen, Yu-Chen Yang, Jia-Kuen Wang, Chih-Nan Lin
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Publication number: 20140191277Abstract: A light-emitting device comprises: a light-emitting semiconductor stack comprising a recess and a mesa, wherein the recess comprises a bottom and the mesa comprises an upper surface; a first insulating layer in the recess and on a part of the upper surface of the mesa; and a first electrode comprising a first layer and a second layer, wherein the first layer comprises a first conductive material and is on another part of the upper surface of the mesa, and the second layer comprises a second conductive material and is on the first layer.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: Epistar CorporationInventors: Hong-Che CHEN, Chien-Fu SHEN, Chao-Hsing CHEN, Yu-Chen YANG, Jia-Kuen WANG, Chih-Nan LIN