Patents by Inventor Yi-Ming Chen

Yi-Ming Chen 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: 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: 20140295588
    Abstract: A method of forming a light-emitting diode includes: providing a substrate having one or more first openings passing through the substrate; forming a sacrificial layer on the substrate; forming an epitaxial layer on the sacrificial layer; connecting a supporting substrate with the epitaxial layer; and separating the substrate from the epitaxial layer by selectively etching the sacrificial layer.
    Type: Application
    Filed: March 4, 2014
    Publication date: October 2, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: Yi-Ming CHEN, Tzu-Chieh HSU, Chi-Hsing CHEN, Hsin-Ying WANG
  • Patent number: 8809881
    Abstract: A semiconductor optoelectronic device comprises an operating substrate; a semiconductor epitaxial stack unit disposed on the operating substrate comprising a first semiconductor material layer having a first electrical conductivity disposed on the operating substrate and a second semiconductor material layer having a second electrical conductivity disposed on the first semiconductor material layer; a transparent conductive layer disposed on the second semiconductor material layer, wherein the transparent conductive layer comprises a first surface, a directly contacting part disposed on the first surface and directly contacting with the second semiconductor material layer, a second surface substantially parallel with the first surface, and a directly contacting corresponding part disposed on the second surface corresponding to the directly contacting part; and a first electrode disposed on the operating substrate and electrically connected with the semiconductor epitaxial stack by the transparent conductive la
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 19, 2014
    Assignee: Epistar Corporation
    Inventors: Hsin-Ying Wang, Yi-Ming Chen, Tzu-Chieh Hsu, Chi-Hsing Chen, Hsiang-Ling Chang
  • 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: 20140218169
    Abstract: An equipment information security device is provided. The equipment information security device is installed on an equipment with confidential information, wherein the equipment or the device has a security interface, the device comprises: a fitting which is worn by a staff and combined with an electronic tag with or without authority to the corresponding equipment; a tag reader, which detects the electronic tag within a detecting area corresponding to the security interface; and an authority processing unit, which links to the tag reader: wherein the authority processing unit sets the security interface to an operation state and enables the security interface when there are only the authorized electronic tags being detected in the detecting area, and the authority processing unit sets the security interface to a security state and disables the security interface when one or more unauthorized electronic tags are detected in the detecting area.
    Type: Application
    Filed: December 3, 2013
    Publication date: August 7, 2014
    Applicant: Claridy Solutions, Inc.
    Inventors: Jui-Ming CHIH, Horng-Ji CHEN, Yi-Ming CHEN
  • 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: 20140127182
    Abstract: The present invention relates to a use of Glycine N-methyltransferase (GNMT) in treating or preventing fatty liver related disease, such as nonalcoholic fatty liver disease (NAFLD) or hepatocellular carcinoma (HCC). The use of GNMT for treating or preventing fatty liver diseases is achieved by enhancing GNMT-NPC2 interaction, and thus decreasing or preventing the accumulation of lipid and cholesterol in hepatic cells or tissues.
    Type: Application
    Filed: May 9, 2013
    Publication date: May 8, 2014
    Applicant: National Yang-Ming University
    Inventors: Yi-Ming CHEN, Chia-Hung YEN, Yi-Jen LIAO, Kuan-Hsuan CHEN
  • Publication number: 20140112603
    Abstract: A hydrostatic rail guide includes a guide rail, a guide carriage, a hydrostatic supply device, a measurement device and a controller. The guide carriage is hydrostatically mounted on the guide rail and has a hydrostatic channel filled with oil. The oil keeps the guide carriage and the guide rail at a gap. The hydrostatic supply device is adapted for supplying the oil to the hydrostatic channel and adjusting the pressure of the oil. The measurement device is installed on the guide carriage and adapted for detecting the gap between the guide carriage and the guide rail and for producing a distance signal of the measured gap. The controller is connected to the hydrostatic supply device and the measurement device. The controller is adapted for controlling the hydrostatic supply device, based on the distance signal, in order to adjust the hydrostatic pressure of the oil after being pressurized.
    Type: Application
    Filed: January 15, 2013
    Publication date: April 24, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Ming CHEN, Tzuo-Liang LUO, Shao-Ying HUNG, Chien-Chih LIAO, Wei-Juh LIN, Shao-Ku HUANG
  • Patent number: 8697939
    Abstract: The present invention relates to Glycine N-methyltransferase (GNMT) animal model and use thereof.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: April 15, 2014
    Assignee: National Yang Ming University
    Inventors: Yi-Ming Chen, Ching-Ping Yang
  • Publication number: 20140061708
    Abstract: A light-emitting device includes a first electrode; a light-emitting stacked layer on the first electrode; a first contact layer on the light-emitting stacked layer, wherein the first contact layer includes a first contact link and a plurality of first contact lines connected to the first contact link; a first conductive post in the light-emitting stacked layer and electrically connecting the first electrode and the first contact layer; and a passivation layer between the first conductive post and the light-emitting stacked layer.
    Type: Application
    Filed: November 5, 2013
    Publication date: March 6, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: Yi-Ming CHEN, Min-Hsun HSIEH, Chia-Liang HSU
  • Patent number: 8657467
    Abstract: An illumination apparatus is disclosed in the invention. The illumination apparatus includes a cavity with a diffusion surface, a light source, a light-spreading device, and at least one optically-conditioning surface with a wave-like array formed thereon. The light-spreading device and the optically-conditioning surface spread the light generated by the light source. The light-spreading device includes a wing-shaped protrusion part, a light incident surface, a recess located away from the light incident surface, and an optically-conditioning surface including a wave-like array, wherein the wave-like array has a wavefront direction.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 25, 2014
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Chou-Chih Yin, Chun-Chang Chen, Jen-Shui Wang, Chia-Fen Tsai, Yi-Ming Chen
  • Publication number: 20140048768
    Abstract: A light-emitting device disclosed herein comprises a substrate, an active layer formed on the substrate and including a first quantum well, a second quantum well and a barrier layer disposed between the first quantum well and the second quantum well. The barrier layer includes a first region adjacent to the first quantum well, a third region adjacent to the second quantum well and a second region disposed between the first region and the third region and comprising Sb.
    Type: Application
    Filed: August 20, 2013
    Publication date: February 20, 2014
    Inventors: Rong-Ren LEE, Chien-Fu HUANG, Shih-Chang LEE, Yi-Ming CHEN, Shiuan-Leh LIN
  • 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: 8592847
    Abstract: A light-emitting device includes a first electrode; a light-emitting stacked layer on the first electrode; a first contact layer on the light-emitting stacked layer, wherein the first contact layer includes a first contact link and a plurality of first contact lines connected to the first contact link; a first conductive post in the light-emitting stacked layer and electrically connecting the first electrode and the first contact layer; and a passivation layer between the first conductive post and the light-emitting stacked layer.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: November 26, 2013
    Assignee: Epistar Corporation
    Inventors: Yi-Ming Chen, Min-Hsun Hsieh, Chia-Liang Hsu
  • Patent number: 8569068
    Abstract: A process for controlling the composition of an xBOB so that the xBOB will yield an oxygenate-containing gasoline which precisely meets desired specifications when mixed with the desired amount of oxygenate. The process involves blending a plurality of blendstocks to produce an xBOB, withdrawing a sample of the xBOB, obtaining spectroscopic measurements for the sample, applying mathematical models that were based on correlation of xBOB spectra to associated oxygenate-containing gasoline properties, to predict laboratory analysis results for oxygenate-containing gasoline properties, and using the analysis results to control and optimize the blending process.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 29, 2013
    Assignee: Phillips 66 Company
    Inventors: David W. Carpenter, David S. Seiver, James W. Holbert, Yi-Ming Chen, Christopher J. LaFrancois
  • Publication number: 20130258474
    Abstract: An optoelectronic device includes a base part and a lens cap. The base part has an optoelectronic chip mounted thereon. The lens cap is mounted over the optoelectronic chip and includes a metallic hollow cylindrical part and a plastic inner cylindrical part. The hollow cylindrical part has an opening on a top thereof. The inner cylindrical part is firmly coupled within the hollow cylindrical part, and the inner cylindrical part has a lens part located within the opening and at least three aligning members in contact with an upper circumference of the base part so as to align the lens part with the optoelectronic chip.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 3, 2013
    Inventors: Cheng-Ta Chen, Yi-Ming Chen, Chia-Hisen Liang, Jia-Lin Lin
  • Publication number: 20130256731
    Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a substrate; and a first light-emitting unit comprising a plurality of light-emitting diodes electrically connected to each other on the substrate. A first light-emitting diode in the first light-emitting unit comprises a first semiconductor layer with a first conductivity-type, a second semiconductor layer with a second conductivity-type, and a light-emitting stack formed between the first and second semiconductor layers. The first light-emitting diode in the first light-emitting unit further comprises a first connecting layer on the first semiconductor layer for electrically connecting to a second light-emitting diode in the first light-emitting unit; a second connecting layer, separated from the first connecting layer, formed on the first semiconductor layer; and a third connecting layer on the second semiconductor layer for electrically connecting to a third light-emitting diode in the first light-emitting unit.
    Type: Application
    Filed: May 23, 2013
    Publication date: October 3, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Huang Chien FU, Shih-I CHEN, Yi Ming CHEN, Tzu Chieh HSU, Jhih-Sian WANG
  • Publication number: 20130256729
    Abstract: Disclosed is a light-emitting device comprising: a light-emitting stack with a length and a width comprising: a first conductivity type semiconductor layer; an active layer on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer on the active layer; a conductive layer with a width greater than the width of the first conductivity type semiconductor layer and under the first conductivity type semiconductor layer, the conductive layer comprising a first overlapping portion which overlaps the first conductivity type semiconductor layer and a first extending portion which does not overlap the first conductivity type semiconductor layer; a transparent conductive layer with a width greater than the width of the second conductivity type semiconductor layer over the second conductivity type semiconductor layer, the transparent conductive layer comprising a second overlapping portion which overlaps the second conductivity type semiconductor layer and a second extending por
    Type: Application
    Filed: March 28, 2013
    Publication date: October 3, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Shih-I CHEN, Wei-Yu CHEN, Yi-Ming CHEN, Ching-Pei LIN, Tsung-Xian LEE
  • Publication number: 20130240924
    Abstract: A light-emitting device comprises a substrate; a semiconductor stack comprising a first type semiconductor layer, a second type semiconductor layer and an active layer formed between the first type semiconductor layer and the second type semiconductor layer; a bonding layer formed between the substrate and the semiconductor stack; and a plurality of buried electrodes physically buried in the first type semiconductor layer.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Ching-Huai Ni, Chia-Liang Hsu, Yi-Ming Chen
  • Publication number: 20130228802
    Abstract: A two dimensional array light-emitting diode device is disclosed, which includes a transparent substrate including a first surface; a plurality of adjacent light-emitting diode units arranged on the first surface, wherein each of the light-emitting diode units including a plurality of sides and a circumference; and a plurality of conductive connecting structures arranged on the first surface, electrically connecting the plurality of light-emitting diode units mentioned above; wherein the sides of each of the light-emitting diode units have a plurality of vertical distances between the closest light-emitting diode units, and when the plurality of vertical distances larger than 50 ?m, the sides are not near the closest light-emitting diode units; wherein the ratio of the total length of the sides not near the light-emitting diode units of each light-emitting diode unit and the circumference of the light-emitting diode unit is larger than 50%.
    Type: Application
    Filed: February 14, 2013
    Publication date: September 5, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Jhih-Sian Wang, Chia-Liang Hsu, Yi-Ming Chen, Yi-Tang Lai