Patents by Inventor Min-Yen Tsai
Min-Yen Tsai 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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Publication number: 20240266476Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.Type: ApplicationFiled: April 17, 2024Publication date: August 8, 2024Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
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Patent number: 12002904Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.Type: GrantFiled: April 27, 2021Date of Patent: June 4, 2024Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
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Publication number: 20210249565Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.Type: ApplicationFiled: April 27, 2021Publication date: August 12, 2021Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
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Patent number: 10991854Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.Type: GrantFiled: November 6, 2018Date of Patent: April 27, 2021Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
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Publication number: 20190074409Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on and directly contacts the first conductive layer, wherein in a top view, the cushion part is surrounded by and electrically isolated from the second conductive layer.Type: ApplicationFiled: November 6, 2018Publication date: March 7, 2019Inventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
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Patent number: 10153402Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.Type: GrantFiled: August 4, 2017Date of Patent: December 11, 2018Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
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Patent number: 9966498Abstract: A method for manufacturing a light-emitting element, including steps of: providing a wafer-level element including a wafer and a light-emitting stack on the wafer, wherein the wafer including an upper surface and a bottom surface, and light-emitting stack is formed on the upper surface of the wafer; forming a light-emitting stack on the upper surface of the wafer; cutting the wafer from one of the bottom surface or the top surface of the wafer by a water-jet laser having a first beam size; cutting the wafer from the other one of the bottom surface or the upper surface of the wafer by the water-jet laser having a second beam size; and dividing the wafer-level element wafer and the light-emitting stack into a plurality of light-emitting dies.Type: GrantFiled: May 9, 2016Date of Patent: May 8, 2018Assignee: EPISTAR CORPORATIONInventors: Min-Yen Tsai, De-Shan Kuo
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Publication number: 20170331007Abstract: A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.Type: ApplicationFiled: August 4, 2017Publication date: November 16, 2017Inventors: Chao-Hsing CHEN, Tsung-Hsun CHIANG, Chien-Chih LIAO, Wen-Hung CHUANG, Min-Yen TSAI, Bo-Jiun HU
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Patent number: 9761774Abstract: A light-emitting element includes: a semiconductor light-emitting stack including a first semiconductor layer with a first conductivity, an active layer, and a second semiconductor layer with a second conductivity; a first conductive layer disposed on the semiconductor light-emitting stack and electrically connecting the second semiconductor layer; a first insulating layer on the first conductive layer; a second conductive layer disposed on the first insulating layer and electrically connecting the first semiconductor layer; a second insulating layer on the second conductive layer; a first pad and a second pad on the second conductive layer; and a cushion part disposed between the first pad and the second pad.Type: GrantFiled: November 23, 2015Date of Patent: September 12, 2017Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Tsung-Hsun Chiang, Chien-Chih Liao, Wen-Hung Chuang, Min-Yen Tsai, Bo-Jiun Hu
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Patent number: 9508901Abstract: A light-emitting device comprises: a first semiconductor layer; a transparent conductive oxide layer including a diffusion region having a first metal material and a non-diffusion region devoid of the first metal material, wherein the non-diffusion region is closer to the first semiconductor layer than the diffusion region; and a metal layer formed on the transparent conductive oxide layer, wherein the metal layer is pervious to a light emitted from the active layer and comprises a pattern.Type: GrantFiled: August 29, 2013Date of Patent: November 29, 2016Assignee: EPISTAR CORPORATIONInventors: Juin-Yang Chen, De-Shan Kuo, Chun-Hsiang Tu, Po-Shun Chiu, Chien-Kai Chung, Hui-Chun Yeh, Min-Yen Tsai, Tsun-Kai Ko, Chun-Teng Ko
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Patent number: 9461209Abstract: A semiconductor light-emitting device includes a semiconductor stack comprising a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the first semiconductor layer includes a periphery surface surrounding the active layer; a plurality of vias penetrating the semiconductor stack to expose the first semiconductor layer; and a patterned metal layer formed on the plurality of vias and covered the periphery surface of the first semiconductor layer.Type: GrantFiled: September 14, 2015Date of Patent: October 4, 2016Assignee: EPISTAR CORPORATIONInventors: Min-Yen Tsai, Chao-Hsing Chen, Tsung-Hsun Chiang, Wen-Hung Chuang, Bo-Jiun Hu, Tzu-Yao Tseng, Jia-Kuen Wang, Kuan-Yi Lee, Yi-Ming Chen, Chun-Yu Lin, Tsung-Hsien Yang, Tzu-Chieh Hsu, Kun-De Lin, Yao-Ning Chan, Chih-Chiang Lu
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Publication number: 20160254409Abstract: A method for manufacturing a light-emitting element, including steps of: providing a wafer-level element including a wafer and a light-emitting stack on the wafer, wherein the wafer including an upper surface and a bottom surface, and light-emitting stack is formed on the upper surface of the wafer; forming a light-emitting stack on the upper surface of the wafer; cutting the wafer from one of the bottom surface or the top surface of the wafer by a water-jet laser having a first beam size; cutting the wafer from the other one of the bottom surface or the upper surface of the wafer by the water-jet laser having a second beam size; and dividing the wafer-level element wafer and the light-emitting stack into a plurality of light-emitting dies.Type: ApplicationFiled: May 9, 2016Publication date: September 1, 2016Inventors: Min-Yen TSAI, De-Shan KUO
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Patent number: D768094Type: GrantFiled: April 22, 2015Date of Patent: October 4, 2016Assignee: EPISTAR CORPORATIONInventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Kuan Yi Lee, Jia Kuen Wang
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Patent number: D769199Type: GrantFiled: May 8, 2015Date of Patent: October 18, 2016Assignee: EPISTAR CORPORATIONInventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee, Min Yen Tsai
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Patent number: D769831Type: GrantFiled: April 17, 2015Date of Patent: October 25, 2016Assignee: EPISTAR CORPORATIONInventors: Chao Hsing Chen, Tzu Yao Tseng, Min Yen Tsai, Bo Jiun Hu, Kuan Yi Lee, Jia Kuen Wang, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang
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Patent number: D777693Type: GrantFiled: May 4, 2015Date of Patent: January 31, 2017Assignee: EPISTAR CORPORATIONInventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee
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Patent number: D782428Type: GrantFiled: February 12, 2016Date of Patent: March 28, 2017Assignee: EPISTAR CORPORATIONInventor: Min-yen Tsai
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Patent number: D824864Type: GrantFiled: December 22, 2016Date of Patent: August 7, 2018Assignee: EPISTAR CORPORATIONInventors: Chao Hsing Chen, Tsung Hsun Chiang, Chien Chih Liao, Wen Hung Chuang, Min Yen Tsai, Bo Jiun Hu, Tzu Yao Tseng, Jia Kuen Wang, Tsun Kai Ko, Chien Fu Shen, Kuan Yi Lee
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Patent number: D845920Type: GrantFiled: October 25, 2017Date of Patent: April 16, 2019Assignee: EPISTAR CORPORATIONInventor: Min-yen Tsai
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Patent number: D927436Type: GrantFiled: March 1, 2019Date of Patent: August 10, 2021Assignee: EPISTAR CORPORATIONInventor: Min-Yen Tsai