Patents by Inventor Ya-Lan Yang
Ya-Lan Yang 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: 11207364Abstract: The invention discloses a method for treating benign prostatic hyperplasia (BPH) using a burdock extract. The burdock extract is administered to a subject in need thereof to decrease prostate size of the subject. The burdock extract is obtained by extracting a sample of dried burdock seed using an extractant being water or an aqueous ethanol solution.Type: GrantFiled: June 10, 2020Date of Patent: December 28, 2021Assignee: KANG PIN TECHNOLOGY CO., LTD.Inventors: Fu-An Chen, Ya-Lan Yang, Chun-Che Sung, Yu-Syuan Huang
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Patent number: 10886433Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.Type: GrantFiled: June 26, 2019Date of Patent: January 5, 2021Assignee: EPISTAR CORPORATIONInventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
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Publication number: 20200390839Abstract: The invention discloses a method for treating benign prostatic hyperplasia (BPH) using a burdock extract. The burdock extract is administered to a subject in need thereof to decrease prostate size of the subject. The burdock extract is obtained by extracting a sample of dried burdock seed using an extractant being water or an aqueous ethanol solution.Type: ApplicationFiled: June 10, 2020Publication date: December 17, 2020Inventors: Fu-An Chen, Ya-Lan Yang, Chun-Che Sung, Yu-Syuan Huang
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Publication number: 20190319170Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Inventors: Ta-Cheng HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
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Patent number: 10374125Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.Type: GrantFiled: July 30, 2018Date of Patent: August 6, 2019Assignee: EPISTAR CORPORATIONInventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
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Publication number: 20190067518Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.Type: ApplicationFiled: July 30, 2018Publication date: February 28, 2019Inventors: Ta-Cheng HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
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Patent number: 10038116Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein one of the plurality of textured structures comprises a top portion and a bottom portion, wherein a first distance between a first projection of the top portion on the bottom portion and the bottom portion at one side is different from a second distance between a second projection of the top portion on the bottom portion and the bottom portion at another side.Type: GrantFiled: August 30, 2017Date of Patent: July 31, 2018Assignee: EPISTAR CORPORATIONInventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
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Publication number: 20170365740Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein one of the plurality of textured structures comprises a top portion and a bottom portion, wherein a first distance between a first projection of the top portion on the bottom portion and the bottom portion at one side is different from a second distance between a second projection of the top portion on the bottom portion and the bottom portion at another side.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Inventors: Ta-Chen HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
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Patent number: 9780259Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.Type: GrantFiled: January 4, 2016Date of Patent: October 3, 2017Assignee: EPISTAR CORPORATIONInventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
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Patent number: 9269855Abstract: A method of manufacturing a light-emitting device comprising the steps of cutting a substrate by a laser beam to form a cavity in the substrate and generate a by-product directly on the substrate by the cutting, and removing the by-product by a chemical solution containing an acid under a predetermined cleaning temperature.Type: GrantFiled: December 4, 2013Date of Patent: February 23, 2016Assignee: EPISTAR CORPORATIONInventors: Chien-Kai Chung, Ya Lan Yang, Ting-Chia Ko, Tsun-Kai Ko, Jung-Min Hwang, Schang-Jing Hon, De-Shan Kuo, Chien-Fu Shen, Ta-Cheng Hsu, Min-Hsun Hsieh
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Patent number: 9231151Abstract: A light-emitting device comprises a textured substrate comprising a boundary and a plurality of textured structures within the boundary, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape and a bottom portion parallel to the top portion, the bottom portion having a second top-view shape, wherein the first top-view shape comprises a circle or ellipse and the second top-view shape comprises a polygon, wherein the first top-view shape and the second top-view shape overlap each other, and the textured structures are spaced apart from each other from a top view of the light-emitting device.Type: GrantFiled: September 14, 2012Date of Patent: January 5, 2016Assignee: EPISTAR CORPORATIONInventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
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Publication number: 20140093991Abstract: A method of manufacturing a light-emitting device comprising the steps of cutting a substrate by a laser beam to form a cavity in the substrate and generate a by-product directly on the substrate by the cutting, and removing the by-product by a chemical solution containing an acid under a predetermined cleaning temperature.Type: ApplicationFiled: December 4, 2013Publication date: April 3, 2014Applicant: Epistar CorporationInventors: Chien-Kai CHUNG, Ya Lan YANG, Ting-Chia KO, Tsun-Kai KO, Jung-Min HWANG, Schang-Jing HON, De-Shan KUO, Chien-Fu SHEN, Ta-Cheng HSU, Min-Hsun HSIEH
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Patent number: 8648522Abstract: This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. In a preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.Type: GrantFiled: August 20, 2010Date of Patent: February 11, 2014Assignee: Epistar CorporationInventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
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Patent number: 8623682Abstract: A method of manufacturing a light-emitting device comprising the steps of cutting a substrate by a laser beam to form a cavity in the substrate and generate a by-product directly on the substrate by the cutting, and removing the by-product by a chemical solution containing an acid under a predetermined cleaning temperature.Type: GrantFiled: September 14, 2012Date of Patent: January 7, 2014Assignee: Epistar CorporationInventors: Chien-Kai Chung, Ta-Cheng Hsu, Jung-Min Hwang, Min-Hsun Hsieh, Ya-Lan Yang, De-Shan Kuo, Tsun-Kai Ko, Chien-Fu Shen, Ting-Chia Ko, Schang-Jing Hon
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Patent number: 8486742Abstract: A method for manufacturing a light-emitting device comprising the steps of: providing a substrate comprising a first surface and a second surface; forming a plurality of cutting lines on the substrate by a laser beam; cleaning the substrate by a chemical solution; and forming a light-emitting stack on an first surface of the substrate after cleaning the substrate.Type: GrantFiled: July 26, 2011Date of Patent: July 16, 2013Assignee: Epistar CorporationInventors: Chien-Kai Chung, Ta-Cheng Hsu, Jung-Min Hwang, Min-Hsun Hsieh, Ya-Lan Yang, De-Shan Kuo, Tsun-Kai Ko, Chien-Fu Shen, Ting-Chia Ko, Schang-Jing Hon
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Publication number: 20130011949Abstract: A method of manufacturing a light-emitting device comprising the steps of cutting a substrate by a laser beam to form a cavity in the substrate and generate a by-product directly on the substrate by the cutting, and removing the by-product by a chemical solution containing an acid under a predetermined cleaning temperature.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: Epistar CorporationInventors: Chien-Kai CHUNG, Ta-Cheng Hsu, Jung-Min Hwang, Min-Hsun Hsieh, Ya-Lan Yang, De-Shan Kuo, Tsun-Kai Ko, Chien-Fu Shen, Ting-Chia Ko, Schang-Jin Hon
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Publication number: 20130009188Abstract: This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. Ina preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
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Patent number: 8237182Abstract: Organic adhesive light-emitting device with ohmic metal bulge. The organic adhesive light-emitting device includes a conductive substrate, a light-emitting stack layer, a metal layer formed over the conductive substrate, a reflective layer formed over the light-emitting stack layer, and an organic adhesive layer having an ohmic metal bulge and an adhesive material around the ohmic metal bulge. The adhesive material bonds the metal layer and the reflective layer together, while the ohmic metal bulge forms ohmic contacts with the metal layer and the reflective layer. The configuration can simplify a light-emitting diode.Type: GrantFiled: January 18, 2005Date of Patent: August 7, 2012Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Wen-Huang Liu, Tzu-Feng Tseng, Ya-Lan Yang
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Patent number: 8063557Abstract: A light-emitting device comprising a substrate, a light-emitting stack, and a transparent adhesive layer having wavelength-converting materials embedded therein formed within the light-emitting device is provided.Type: GrantFiled: August 14, 2007Date of Patent: November 22, 2011Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Ta-Cheng Hsu, Ya-Ju Lee, Wei-Chih Peng, Chi-Wei Lu, Ya-Lan Yang, Ying-Yong Su, Meng-Lnn Tsai
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Publication number: 20110281383Abstract: A method for manufacturing a light-emitting device comprising the steps of: providing a substrate comprising a first surface and a second surface; forming a plurality of cutting lines on the substrate by a laser beam; cleaning the substrate by a chemical solution; and forming a light-emitting stack on an first surface of the substrate after cleaning the substrate.Type: ApplicationFiled: July 26, 2011Publication date: November 17, 2011Applicant: Epistar CorporationInventors: Chien-Kai Chung, Ta-Cheng Hsu, Jung-Min Hwang, Min-Hsun Hsieh, Ya-Lan Yang, De-Shan Kuo, Tsun-Kai Ko, Chien-Fu Shen, Ting-Chia Ko, Schang-Jing Hon