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).

  • Patent number: 11207364
    Abstract: 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: Grant
    Filed: June 10, 2020
    Date of Patent: December 28, 2021
    Assignee: KANG PIN TECHNOLOGY CO., LTD.
    Inventors: Fu-An Chen, Ya-Lan Yang, Chun-Che Sung, Yu-Syuan Huang
  • Patent number: 10886433
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: January 5, 2021
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
  • Publication number: 20200390839
    Abstract: 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: Application
    Filed: June 10, 2020
    Publication date: December 17, 2020
    Inventors: Fu-An Chen, Ya-Lan Yang, Chun-Che Sung, Yu-Syuan Huang
  • Publication number: 20190319170
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: October 17, 2019
    Inventors: Ta-Cheng HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
  • Patent number: 10374125
    Abstract: 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: Grant
    Filed: July 30, 2018
    Date of Patent: August 6, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
  • Publication number: 20190067518
    Abstract: 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: Application
    Filed: July 30, 2018
    Publication date: February 28, 2019
    Inventors: Ta-Cheng HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
  • Patent number: 10038116
    Abstract: 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: Grant
    Filed: August 30, 2017
    Date of Patent: July 31, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ching-Shian Yeh, Chao-Shun Huang, Ying-Yong Su, Ya-Lan Yang, Ya-Ju Lee
  • Publication number: 20170365740
    Abstract: 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: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: Ta-Chen HSU, Ching-Shian YEH, Chao-Shun HUANG, Ying-Yong SU, Ya-Lan YANG, Ya-Ju LEE
  • Patent number: 9780259
    Abstract: 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: Grant
    Filed: January 4, 2016
    Date of Patent: October 3, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
  • Patent number: 9269855
    Abstract: 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: Grant
    Filed: December 4, 2013
    Date of Patent: February 23, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: 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
  • Patent number: 9231151
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: January 5, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
  • Publication number: 20140093991
    Abstract: 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: Application
    Filed: December 4, 2013
    Publication date: April 3, 2014
    Applicant: Epistar Corporation
    Inventors: 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
  • Patent number: 8648522
    Abstract: 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: Grant
    Filed: August 20, 2010
    Date of Patent: February 11, 2014
    Assignee: Epistar Corporation
    Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
  • Patent number: 8623682
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: January 7, 2014
    Assignee: Epistar Corporation
    Inventors: 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
  • Patent number: 8486742
    Abstract: 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: Grant
    Filed: July 26, 2011
    Date of Patent: July 16, 2013
    Assignee: Epistar Corporation
    Inventors: 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
  • Publication number: 20130011949
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: Epistar Corporation
    Inventors: 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
  • Publication number: 20130009188
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
  • Patent number: 8237182
    Abstract: 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: Grant
    Filed: January 18, 2005
    Date of Patent: August 7, 2012
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Wen-Huang Liu, Tzu-Feng Tseng, Ya-Lan Yang
  • Patent number: 8063557
    Abstract: 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: Grant
    Filed: August 14, 2007
    Date of Patent: November 22, 2011
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Ta-Cheng Hsu, Ya-Ju Lee, Wei-Chih Peng, Chi-Wei Lu, Ya-Lan Yang, Ying-Yong Su, Meng-Lnn Tsai
  • Publication number: 20110281383
    Abstract: 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: Application
    Filed: July 26, 2011
    Publication date: November 17, 2011
    Applicant: Epistar Corporation
    Inventors: 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