Patents by Inventor Sen-Jung Hsu
Sen-Jung Hsu 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: 20220029055Abstract: A light-emitting device includes: a substrate having a top surface, wherein the top surface comprises a first portion and a second portion; a first semiconductor stack on the first portion, comprising a first upper surface and a first side wall; and a second semiconductor stack on the first upper surface, comprising a second upper surface and a second side wall, and wherein the second side wall connects the first upper surface; wherein the first semiconductor stack comprises a dislocation stop layer; wherein the dislocation stop layer comprises AlGaN; and wherein the first side wall and the second portion of the top surface form an acute angle a between thereofType: ApplicationFiled: October 7, 2021Publication date: January 27, 2022Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Yu-Shou WANG, Chun-Hsiang TU, Jing-Feng HUANG
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Patent number: 11158762Abstract: A light-emitting device includes a substrate having a top surface, wherein the top surface includes a first portion and a second portion; a first semiconductor stack on the first portion, including a first upper surface and a first side wall; and a second semiconductor stack on the first upper surface, including a second upper surface and a second side wall, and wherein the second side wall connects the first upper surface; wherein the first semiconductor stack includes a dislocation stop layer; and wherein the first side wall and the second portion of the top surface form an acute angle ? between thereof.Type: GrantFiled: June 9, 2020Date of Patent: October 26, 2021Assignee: EPISTAR CORPORATIONInventors: Yen-Tai Chao, Sen-Jung Hsu, Tao-Chi Chang, Wei-Chih Wen, Ou Chen, Yu-Shou Wang, Chun-Hsiang Tu, Jing-Feng Huang
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Patent number: 10790412Abstract: A manufacturing method of a light-emitting device includes steps of: providing a substrate with a top surface, wherein the top surface comprises a plurality of concavo-convex structures; forming a semiconductor stack on the top surface; forming a trench in the semiconductor stack to define a plurality of second semiconductor stacks and expose a first upper surface; forming a scribing region which extends from the first upper surface into the semiconductor stack and exposes a side surface of the semiconductor stack to define a plurality of first semiconductor stacks; removing a portion of the plurality of first semiconductor stacks and a portion of the concavo-convex structures trough the region to form a first side wall of each of the first semiconductor stack; and dividing the substrate along the region; wherein the first side wall and the top surface form an acute angle ? between thereof, 30°???80°.Type: GrantFiled: January 28, 2019Date of Patent: September 29, 2020Assignee: EPISTAR CORPORATIONInventors: Yen-Tai Chao, Sen-Jung Hsu, Tao-Chi Chang, Wei-Chih Wen, Ou Chen, Chun-Hsiang Tu, Yu-Shou Wang, Jing-Feng Huang
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Publication number: 20200303587Abstract: A light-emitting device includes a substrate having a top surface, wherein the top surface includes a first portion and a second portion; a first semiconductor stack on the first portion, including a first upper surface and a first side wall; and a second semiconductor stack on the first upper surface, including a second upper surface and a second side wall, and wherein the second side wall connects the first upper surface; wherein the first semiconductor stack includes a dislocation stop layer; and wherein the first side wall and the second portion of the top surface form an acute angle ? between thereof.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Yu-Shou Wang, Chun-Hsiang TU, Jing-Feng Huang
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Patent number: 10714657Abstract: A light-emitting device includes a substrate having a top surface, wherein the top surface includes a first portion and a second portion; a first semiconductor stack including a first upper surface and a first side wall, wherein the first semiconductor stack is on the first portion; a second semiconductor stack including a second upper surface and a second side wall, wherein the second semiconductor stack is on the first upper surface, and wherein the second side wall is devoid of connecting the first side wall; a plurality of first concavo-convex structures on the first portion; and a plurality of second concavo-convex structures on the second portion; wherein the first side wall and the second portion of the top surface form an acute angle ? between thereof; and wherein the second concavo-convex structures have smaller size than that of the first concavo-convex structures.Type: GrantFiled: August 1, 2018Date of Patent: July 14, 2020Assignee: EPISTAR CORPORATIONInventors: Yen-Tai Chao, Sen-Jung Hsu, Tao-Chi Chang, Wei-Chih Wen, Ou Chen, Yu-Shou Wang, Chun-Hsiang Tu, Jing-Feng Huang
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Publication number: 20190157507Abstract: A manufacturing method of a light-emitting device includes steps of: providing a substrate with a top surface, wherein the top surface comprises a plurality of concavo-convex structures; forming a semiconductor stack on the top surface; forming a trench in the semiconductor stack to define a plurality of second semiconductor stacks and expose a first upper surface; forming a scribing region which extends from the first upper surface into the semiconductor stack and exposes a side surface of the semiconductor stack to define a plurality of first semiconductor stacks; removing a portion of the plurality of first semiconductor stacks and a portion of the concavo-convex structures trough the region to form a first side wall of each of the first semiconductor stack; and dividing the substrate along the region; wherein the first side wall and the top surface form an acute angle ? between thereof, 30°???80°Type: ApplicationFiled: January 28, 2019Publication date: May 23, 2019Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Chun-Hsiang TU
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Patent number: 10236413Abstract: A light-emitting device including a substrate having a top surface, a side surface and a roughed surface between the top surface and the side surface, wherein the top surface includes a first portion and a second portion; a first semiconductor stack including a first upper surface and a first side wall, wherein the first semiconductor stack is on the second portion and exposes the first portion; a second semiconductor stack including a second side wall, wherein the second semiconductor stack is on the first upper surface and exposes an exposing portion of the first upper surface; wherein the first side wall and the first portion of the top surface form an acute angle ? between thereof, and the second side wall and the exposing portion of the first upper surface form an obtuse angle ? between thereof; and wherein the roughed surface is connected to the top surface.Type: GrantFiled: January 23, 2017Date of Patent: March 19, 2019Assignee: EPISTAR CORPORATIONInventors: Yen-Tai Chao, Sen-Jung Hsu, Tao-Chi Chang, Wei-Chih Wen, Ou Chen, Chun-Hsiang Tu
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Publication number: 20180374990Abstract: A light-emitting device includes a substrate having a top surface, wherein the top surface includes a first portion and a second portion; a first semiconductor stack including a first upper surface and a first side wall, wherein the first semiconductor stack is on the first portion; a second semiconductor stack including a second upper surface and a second side wall, wherein the second semiconductor stack is on the first upper surface, and wherein the second side wall is devoid of connecting the first side wall; a plurality of first concavo-convex structures on the first portion; and a plurality of second concavo-convex structures on the second portion; wherein the first side wall and the second portion of the top surface form an acute angle ? between thereof; and wherein the second concavo-convex structures have smaller size than that of the first concavo-convex structures.Type: ApplicationFiled: August 1, 2018Publication date: December 27, 2018Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Yu-Shou Wang, Chun-Hsiang TU, Jing-Feng Huang
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Patent number: 10069037Abstract: A light-emitting device comprises a substrate having an top surface; a first semiconductor stack comprising a first upper surface and a first side wall, wherein the first semiconductor stack is on the top surface and exposes an exposing portion of the top surface; a second semiconductor stack comprising a second side wall, wherein the second semiconductor stack is on the first upper surface and exposes an exposing portion of the first upper surface; wherein the first side wall and the exposing portion of the top surface form an acute angle ? between thereof, and the second side wall and the exposing portion of the first upper surface form an obtuse angle ? between thereof.Type: GrantFiled: October 21, 2016Date of Patent: September 4, 2018Assignee: EPISTAR CORPORATIONInventors: Yen-Tai Chao, Sen-Jung Hsu, Tao-Chi Chang, Wei-Chih Wen, Ou Chen, Yu-Shou Wang, Chun-Hsiang Tu, Jing-Feng Huang
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Publication number: 20170179341Abstract: A manufacturing method of a light-emitting device comprising a first light semiconductor stack and a second semiconductor stack on thereof comprises steps of: providing a substrate with a top surface; forming a semiconductor stack on the substrate; forming a trench in the semiconductor stack to define multiple second semiconductor stacks and expose a first upper surface; forming a scribing region in the first upper surface to define multiple first semiconductor stacks; etching the scribing region to form a first side wall of each of the first semiconductor stack; and dividing the substrate along the scribing region to form multiple light-emitting devices, wherein the first side wall and the top surface form an acute angle ? between thereof, and 30°???80°, and a side surface of the substrate directly connects the top surface after the dividing step.Type: ApplicationFiled: January 23, 2017Publication date: June 22, 2017Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Chun-Hsiang TU
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Publication number: 20170040491Abstract: A light-emitting device comprises a substrate having an top surface; a first semiconductor stack comprising a first upper surface and a first side wall, wherein the first semiconductor stack is on the top surface and exposes an exposing portion of the top surface; a second semiconductor stack comprising a second side wall, wherein the second semiconductor stack is on the first upper surface and exposes an exposing portion of the first upper surface; wherein the first side wall and the exposing portion of the top surface form an acute angle a between thereof, and the second side wall and the exposing portion of the first upper surface form an obtuse angle ? between thereof.Type: ApplicationFiled: October 21, 2016Publication date: February 9, 2017Inventors: Yen-Tai CHAO, Sen-Jung HSU, Tao-Chi CHANG, Wei-Chih WEN, Ou CHEN, Yu-Shou WANG, Chun-Hsiang TU, Jing-Feng HUANG
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Patent number: 6059158Abstract: A scoring board mounting arrangement includes a mounting frame fixedly mounted on the main rod member of a golf cart, a scoring board covered with a hinged cover plate and having a front end pivoted to a front end of the mounting frame, a coupling member coupled between the scoring board and the mounting frame and moved between a first position where the scoring board is closely attached to the mounting frame, and a second position where the scoring board is lifted from the mounting frame and retained in a horizontal position, and retaining means provided at the mounting frame to hold the coupling member in the second position.Type: GrantFiled: August 10, 1998Date of Patent: May 9, 2000Assignee: New I-SO Enterprise Co., Ltd.Inventor: Sen-Jung Hsu
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Patent number: 5779043Abstract: An improved golf clubs mounting structure includes a mounting frame, a movable vertical arm, a movable auxiliary vertical arm and a plurality of jaw elements. The mounting frame has an adjusting seat at its bottoms side for coupling with the movable vertical arm, the distance between the movable vertical arm and the adjusting seat may be easily adjusted. The movable auxiliary vertical arm is joined to the mounting frame by an auxiliary arm support at a middle section of the bottom side of the mounting frame to give stability to the whole structure. The movable auxiliary vertical arm has a support arm provided with slots for engaging the jaw elements for holding additional golf clubs. The movable arm of the mounting frame, the movable vertical arm and the movable auxiliary vertical arm are respectively provided with a clamp portion at their bottom ends to facilitate clamping of the mounting structure to the golf bag.Type: GrantFiled: January 6, 1997Date of Patent: July 14, 1998Assignee: Sen-Jung HsuInventors: Sen-Jung Hsu, Te-Fu Hsu, Chi-Ern Hsu
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Patent number: D398688Type: GrantFiled: May 1, 1997Date of Patent: September 22, 1998Inventors: Te-Fu Hsu, Chi-Lun Hsu, Sen-Jung Hsu
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Patent number: D423069Type: GrantFiled: October 20, 1998Date of Patent: April 18, 2000Assignee: New I-So Enterprise Co., Ltd.Inventor: Sen-Jung Hsu