Patents by Inventor Tsung-Hsien Yang

Tsung-Hsien 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: 9461209
    Abstract: 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: Grant
    Filed: September 14, 2015
    Date of Patent: October 4, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: 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
  • Publication number: 20160141331
    Abstract: A light-emitting diode is provided. The light-emitting diode comprises: a first light-emitting structure, comprising: a first area; a second area; a first isolation path having an electrode isolation layer between the first area and the second area; an electrode contact layer covering the first area; and an electrical connecting structure covering the second area; wherein each of the first area and the second area sequentially comprises a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, and the electrode contact layer covers a sidewall of the first area.
    Type: Application
    Filed: January 26, 2016
    Publication date: May 19, 2016
    Inventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU
  • Patent number: 9337394
    Abstract: A semiconductor light-emitting device comprises a semiconductor stack comprising a side, a first surface and a second surface opposite to the first surface, wherein the semiconductor stack further comprises a conductive via extending from the first surface to the second surface; a transparent conductive layer formed on the second surface; a first pad portion and a second pad portion formed on the first surface and electrically connected to the semiconductor stack; and an insulating layer formed between the first pad portion and the semiconductor stack and between the second pad portion and the semiconductor stack.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 10, 2016
    Assignee: Epistar Corporation
    Inventors: Yi-Ming Chen, Chun-Yu Lin, Tsung-Hsien Yang, Tzu-Chieh Hsu, Kun-De Lin, Yao-Ning Chan, Chih-Chiang Lu
  • Patent number: 9281443
    Abstract: The application provides a light-emitting diode array, including: a first light-emitting diode including a first area; a second area; a first isolation path between the first area and the second area, and the first isolation path including an electrode isolation layer; and an electrode contact layer covering the first area; a second light-emitting diode including a semiconductor stack layer; and a second electrical bonding pad on the semiconductor stack layer; and a second isolation path between the first light-emitting diode and the second light-emitting diode, wherein the second isolation path includes an electrical connecting structure electrically connected to the first light-emitting diode and the second light-emitting diode.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: March 8, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Tsung-Hsien Yang, Han-Min Wu, Jhih-Sian Wang, Yi-Ming Chen, Tzu-Ghieh Hsu
  • Patent number: 9257481
    Abstract: An LED array includes: a first LED unit having a first active layer and a first side; a second LED unit having a second active layer and a second side facing the first side; a trench separating the first LED unit from the second LED unit; and a light-guiding structure formed between the first LED unit and the second LED unite for guiding the light emitted by the first active layer and the second active layer away from the LED array.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: February 9, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Tsung Hsien Yang, Yi Tang Lai, Yao Ning Chan
  • Publication number: 20160005941
    Abstract: 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: Application
    Filed: September 14, 2015
    Publication date: January 7, 2016
    Inventors: 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
  • Publication number: 20150349848
    Abstract: A device may include a memory for storing a set of instructions associated with at least one of an orientation and a position of the device. The device may also include a near field communication (NFC) transceiver for pairing the device with a second device. A processor in the device determines that the device is paired with the second device via the NFC transceiver; determines at least one of the orientation and the position of the device; and executes the set of instructions associated with at least one of the determined orientation and position of the device.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 3, 2015
    Applicant: SYMBOL TECHNOLOGIES, INC.
    Inventors: Tsung-Hsien Yang, Hughes Cheng, Ching-Rung Lee, Michael A. Tramontano
  • Publication number: 20150144984
    Abstract: A semiconductor light-emitting device comprises a semiconductor stack comprising a side, a first surface and a second surface opposite to the first surface, wherein the semiconductor stack further comprises a conductive via extending from the first surface to the second surface; a transparent conductive layer formed on the second surface; a first pad portion and a second pad portion formed on the first surface and electrically connected to the semiconductor stack; and an insulating layer formed between the first pad portion and the semiconductor stack and between the second pad portion and the semiconductor stack.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 28, 2015
    Inventors: Yi-Ming CHEN, Chun-Yu LIN, Tsung-Hsien YANG, Tzu-Chieh HSU, Kun-De LIN, Yao-Ning CHAN, Chih-Chiang LU
  • Publication number: 20150137169
    Abstract: A semiconductor light-emitting device comprises a semiconductor stack having a first surface, wherein the first surface comprises multiple protrusion portions and multiple concave portions; a first electrode on the first surface and electrically connecting with the semiconductor stack; a second electrode on the first surface and electrically connecting with the semiconductor stack; and a transparent conduction layer conformally covering the first surface and between the first electrode and the semiconductor stack, wherein the first electrode comprises a first bonding portion and a first extending portion, and the first extending portion is between the first bonding portion and the transparent conduction layer and conformally covers the transparent conduction layer.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Yi-Ming CHEN, Tsung-Hsien YANG
  • Patent number: 8936957
    Abstract: The present disclosure discloses a method of manufacturing a light-emitting device comprising the steps of providing a light-emitting wafer having a semiconductor stacked structure and an alignment mark, sensing the alignment mark, and separating the light-emitting wafer into a plurality of light-emitting diodes and removing the alignment mark accordingly.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: January 20, 2015
    Assignee: Epistar Corporation
    Inventor: Tsung-Hsien Yang
  • Patent number: 8852974
    Abstract: A method for manufacturing semiconductor light-emitting devices comprising the steps of: providing a multi-layer semiconductor film comprising a surface; roughening the surface of the multi-layer semiconductor film to form a scattering surface; re-growing a semiconductor layer on the scattering surface; and roughening the semiconductor layer to form a sub-scattering portion on the scattering surface; wherein the sub-scattering portion is structurally smaller than the scattering surface.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: October 7, 2014
    Assignee: Epistar Corporation
    Inventors: Chien-Fu Huang, Yi-Ming Chen, Yi-Tang Lai, Chia-Liang Hsu, Tsung-Hsien Yang, Tzu-Chieh Hsu
  • Publication number: 20140225138
    Abstract: A light-emitting device is disclosed and comprises: a transparent substrate; a semiconductor light-emitting stack on the transparent substrate, wherein the semiconductor light-emitting stack comprises a first semiconductor layer close to the transparent substrate, a second semiconductor layer away from the transparent substrate, and a light-emitting layer capable of emitting a light disposed between the first semiconductor layer and the second semiconductor layer; and a bonding layer between the transparent substrate and the semiconductor light-emitting stack, wherein the bonding layer has a gradually changed refractive index, and each of critical angles at the bonding layer and the transparent substrate for the light emitted from the light-emitting layer towards the transparent substrate is larger than 35 degrees.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 14, 2014
    Applicant: Epistar Corporation
    Inventors: Tsung-Hsien YANG, Tzu-Chieh HSU, Yi-Ming CHEN, Yi-Tang LAI, Jhih-Jheng YANG, Chih-Wei WEI, Ching-Sheng CHEN, Shih-I CHEN, Chia-Liang HSU, Ye-Ming HSU
  • Publication number: 20140186976
    Abstract: The present disclosure discloses a method of manufacturing a light-emitting device comprising the steps of providing a light-emitting wafer having a semiconductor stacked structure and an alignment mark, sensing the alignment mark, and separating the light-emitting wafer into a plurality of light-emitting diodes and removing the alignment mark accordingly.
    Type: Application
    Filed: December 24, 2013
    Publication date: July 3, 2014
    Applicant: EPISTAR CORPORATION
    Inventor: Tsung-Hsien YANG
  • Publication number: 20140162386
    Abstract: A method for manufacturing semiconductor light-emitting devices comprising the steps of: providing a multi-layer semiconductor film comprising a surface; roughening the surface of the multi-layer semiconductor film to form a scattering surface; re-growing a semiconductor layer on the scattering surface; and roughening the semiconductor layer to form a sub-scattering portion on the scattering surface; wherein the sub-scattering portion is structurally smaller than the scattering surface.
    Type: Application
    Filed: December 6, 2012
    Publication date: June 12, 2014
    Applicant: Epistar Corporation
    Inventors: Chien-Fu HUANG, Yi-Ming Chen, Yi-Tang Lai, Chia-Liang Hsu, Tsung-Hsien Yang, Tzu-Chieh Hsu
  • Publication number: 20140145222
    Abstract: An LED array includes: a first LED unit having a first active layer and a first side; a second LED unit having a second active layer and a second side facing the first side; a trench separating the first LED unit from the second LED unit; and a light-guiding structure formed between the first LED unit and the second LED unite for guiding the light emitted by the first active layer and the second active layer away from the LED array.
    Type: Application
    Filed: November 26, 2012
    Publication date: May 29, 2014
    Applicant: Epistar Corporation
    Inventors: Tsung Hsien YANG, Yi Tang LAI, Yao Ning CHAN
  • Publication number: 20140034977
    Abstract: The application provides a light-emitting diode array, including: a first light-emitting diode including a first area; a second area; a first isolation path between the first area and the second area, and the first isolation path including an electrode isolation layer; and an electrode contact layer covering the first area; a second light-emitting diode including a semiconductor stack layer; and a second electrical bonding pad on the semiconductor stack layer; and a second isolation path between the first light-emitting diode and the second light-emitting diode, wherein the second isolation path includes an electrical connecting structure electrically connected to the first light-emitting diode and the second light-emitting diode.
    Type: Application
    Filed: August 6, 2013
    Publication date: February 6, 2014
    Applicant: Epistar Corporation
    Inventors: Tsung-Hsien YANG, Han-Min WU, Jhih-Sian WANG, Yi-Ming CHEN, Tzu-Ghieh HSU
  • Patent number: 8605749
    Abstract: A frame-merging method is adapted for a network that includes mesh and terminal units, in which any two units capable of communication form a communication pair, and one of the units operates as a key unit to transmit pending frames according to the frame-merging method. The frame-merging method includes: determining whether the key unit is a mesh or a terminal unit; for the communication pair recorded in each pending frame, selecting a suitable scheme from a plurality of frame-merging schemes, and extracting at least one of the pending frames from among the pending frames for use as part or all of a priority frame set; and comparing a total size of all frames included in the priority frame set with a suitable frame size, so as to determine whether the key unit is to send an aggregated frame. A frame-merging apparatus is also disclosed.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: December 10, 2013
    Assignee: Realtek Semiconductor Corp.
    Inventors: Tsung-Hsien Yang, Chia-Yu Ku, Ying-Dar Lin
  • Publication number: 20130214294
    Abstract: A light-emitting device comprises a support base having a planar surface, a semiconductor stacked structure disposed on the planar surface, the semiconductor stacked structure comprising a first semiconductor layer, an active layer, a second semiconductor layer, a current block region formed in one of the first semiconductor layer and the second semiconductor layer and physically contacts the planar surface and an electrode disposed on the semiconductor stacked structure.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 22, 2013
    Applicant: EPISTAR CORPORATION
    Inventor: Tsung-Hsien YANG
  • Publication number: 20100142555
    Abstract: A frame-merging method is adapted for a network that includes mesh and terminal units, in which any two units capable of communication form a communication pair, and one of the units operates as a key unit to transmit pending frames according to the frame-merging method. The frame-merging method includes: determining whether the key unit is a mesh or a terminal unit; for the communication pair recorded in each pending frame, selecting a suitable scheme from a plurality of frame-merging schemes, and extracting at least one of the pending frames from among the pending frames for use as part or all of a priority frame set; and comparing a total size of all frames included in the priority frame set with a suitable frame size, so as to determine whether the key unit is to send an aggregated frame. A frame-merging apparatus is also disclosed.
    Type: Application
    Filed: June 29, 2009
    Publication date: June 10, 2010
    Inventors: Tsung-Hsien YANG, Chia-Yu Ku, Ying-Dar Lin
  • Publication number: 20070118683
    Abstract: An apparatus for updating a television firmware and the method therefor are provided. The television includes a first processor and a first memory unit. The first memory unit is for storing a television firmware. The television firmware updating apparatus includes a second memory unit and a second processor. The second memory unit stores an updating firmware. After the second processor handshakes with the first processor, the second processor reads and encodes a chosen block data of the updating firmware to output an encoded signal. The first processor decodes the encoded signal to generate a chosen block data and write the chosen block data to the first memory unit until all the block data of the updating firmware are written to the first memory unit.
    Type: Application
    Filed: May 11, 2006
    Publication date: May 24, 2007
    Inventors: Tsung-Hsien Yang, Sheng-Min Hsu, Yu-Lin Lo, Juei-Long Lee