Patents by Inventor An LU
An LU 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: 8581289Abstract: A semiconductor light emitting component including an epitaxial structure, a first electrode, a second electrode, a first cutout structure and a second cutout structure is provided. The epitaxial structure includes a first type doped layer, a light emitting portion and a second type doped layer. The first electrode is formed on a surface of the first type doped layer. The second electrode is formed on a surface of the second type doped layer. The first cutout structure is formed in the first type doped layer to expose at least a portion of the first electrode. The second cutout structure is formed in the first type doped layer, the light emitting portion and the second type doped layer so as to expose at least a portion of the second electrode.Type: GrantFiled: March 14, 2013Date of Patent: November 12, 2013Assignees: NCKU Research and Development Foundation, Phostek, Inc.Inventors: Ray-Hua Horng, Yi-An Lu
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Patent number: 8574938Abstract: A method for forming a plurality of semiconductor light emitting devices includes forming an epitaxial layer having a first type doped layer, a light emitting layer, and a second type doped layer on a first temporary substrate. The epitaxial layer is separated into a plurality of epitaxial structures on the first temporary substrate. A second temporary substrate is coupled to the epitaxial layer with a first adhesive layer and the first temporary substrate is removed from the epitaxial layer. A permanent semiconductor substrate is coupled to the epitaxial layer with a second adhesive layer. The second temporary substrate and the first adhesive layer are removed from the epitaxial layer. The permanent semiconductor substrate is separated into a plurality of portions with each portion corresponding to at least one of the plurality of epitaxial structures to form a plurality of semiconductor light emitting devices.Type: GrantFiled: July 19, 2011Date of Patent: November 5, 2013Assignees: NCKU Research and Development Foundation, Phostek, Inc.Inventors: Ray-Hua Horng, Yi-An Lu
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Patent number: 8574936Abstract: A method for manufacturing a semiconductor light emitting device includes: (a) providing a temporary substrate; (b) forming a multi-layered LED epitaxial structure, having at least one light emitting unit, on the temporary substrate, wherein a first surface of the light emitting unit contacts the temporary substrate, and the light emitting unit includes a n-type layer, an active region, and a p-type layer; (c) forming a n-electrode on the n-type layer; (d) forming a p-electrode on the p-type layer; (e) bonding a permanent substrate on the light emitting unit, the n-electrode and the p-electrode; (f) removing the temporary substrate to expose the light emitting unit; and (g) etching the exposed light emitting unit, to expose at least one of the n-electrode and the p-electrode.Type: GrantFiled: May 26, 2011Date of Patent: November 5, 2013Assignee: Phostek, Inc.Inventors: Ray-Hua Horng, Yi-An Lu, Heng Liu
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Publication number: 20130285010Abstract: A semiconductor light emitting device includes a substrate and a first epitaxial structure over the substrate. The first epitaxial structure includes a first doped layer, a first light emitting layer, and a second doped layer. The first doped layer includes a first dopant type and the second doped layer includes a second dopant type. A second epitaxial structure includes a third doped layer, a second light emitting layer, and a fourth doped layer. An adhesive layer is between the first epitaxial structure and the second epitaxial structure. One or more posts are located in the adhesive layer.Type: ApplicationFiled: April 27, 2012Publication date: October 31, 2013Applicant: PHOSTEK, INC.Inventor: Yi-An Lu
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Publication number: 20130277692Abstract: A semiconductor light emitting device includes a substrate and a first epitaxial structure over the substrate. The first epitaxial structure includes a first doped layer, a first light emitting layer, and a second doped layer. A first electrode is coupled to the first doped layer. A second electrode is coupled to the second doped layer facing the same direction as the first electrode. A second epitaxial structure includes a third doped layer, a second light emitting layer, and a fourth doped layer. A third electrode is coupled to the third doped layer facing the same direction as the first electrode. A fourth electrode is coupled to the fourth doped layer facing the same direction as the first electrode. An adhesive layer is between the first epitaxial structure and the second epitaxial structure.Type: ApplicationFiled: April 19, 2012Publication date: October 24, 2013Applicant: PHOSTEK, INC.Inventors: Yuan-Hsiao Chang, Yi-An Lu
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Patent number: 8546829Abstract: A semiconductor light emitting device and a method for making the semiconductor light emitting device are described. The semiconductor light emitting device includes an epitaxial structure having a first type doped layer, a light emitting layer, and a second type doped layer. The epitaxial structure may further include an undoped layer. A substrate is bonded to at least one surface of the epitaxial structure with an adhesive layer. One or more posts are located in the adhesive layer. The posts may have different widths depending on the location of the posts and/or the posts may only be located under certain portions of the epitaxial structure.Type: GrantFiled: July 19, 2011Date of Patent: October 1, 2013Assignees: Phostek, Inc., NCKU Research and Development FoundationInventors: Ray-Hua Horng, Heng Liu, Yi-An Lu
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Publication number: 20130254127Abstract: An authentication method and an authentication system of an electronic product are provided. The authentication method includes following steps: an electronic device is connected to a first authentication module via a network; the electronic device outputs first authentication information of the electronic product to the first authentication module; the first authentication module verifies the first authentication information and generates second authentication information corresponding to the electronic product; the first authentication module is connected to a second authentication module via the network; the first authentication module outputs the second authentication information to the second authentication module; and the second authentication module verifies the second authentication information. The present disclosure provides a multi-authentication method and an authentication system of the electronic product to activate corresponding services from service providers.Type: ApplicationFiled: March 12, 2013Publication date: September 26, 2013Applicant: ASUSTEK COMPUTER INC.Inventors: Hsin-Yi LEE, Chi-An LU, Meih-Suan WANG
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Patent number: 8476663Abstract: A method for manufacturing a semiconductor light emitting component is disclosed in the present invention. First, a substrate is provided and an epitaxial structure is formed thereon, wherein a first surface of the epitaxial structure contacts the substrate. The epitaxial structure includes a first type doped layer, a light emitting portion and a second type doped layer. A first electrode is then formed on a second surface of the first type doped layer. Subsequently, a functional structure is formed on the first electrode using an in-situ method. Afterwards, the substrate is removed to expose the epitaxial structure. Finally, an etching step is performed to etch the exposed epitaxial structure, so as to expose at least a portion of the first electrode.Type: GrantFiled: May 6, 2011Date of Patent: July 2, 2013Assignee: Phostek, Inc.Inventors: Ray-Hua Horng, Yi-An Lu
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Publication number: 20130161654Abstract: A light emitting diode array is described. The array includes a first light emitting diode with a first electrode and a second light emitting diode with a second electrode. The second light emitting diode is separated from the first light emitting diode. A first dielectric layer is positioned between the first light emitting diode and the second light emitting diode. An interconnect is located at least partially on the first dielectric layer that connects the first electrode to the second electrode. A second dielectric layer is formed over the first dielectric layer and the interconnect. A reflective layer is formed over the second dielectric layer. A permanent substrate is coupled to the reflective layer.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Applicant: PHOSTEK, INC.Inventor: Yi-An Lu
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Publication number: 20130161667Abstract: A light emitting diode array includes a first light emitting diode with a first electrode and a second light emitting diode with a second electrode. A first dielectric layer is positioned between the light emitting diodes. A first portion of the first dielectric layer at least partially covers the first light emitting diode and a second portion of the first dielectric layer at least partially covers the second light emitting diode. An interconnect is located at least partially on the first dielectric layer. The interconnect connects the first electrode to the second electrode. A reflective layer is formed over at least the first and second portions of the first dielectric layer. A permanent substrate is coupled to a side of the light emitting diodes having the reflective layer.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Applicant: PHOSTEK, INC.Inventors: Chia-Nan Chen, Yi-An Lu
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Patent number: 8465677Abstract: An electrically conductive composition and a fabrication method thereof are provided. The electrically conductive structure includes a major conductive material and an electrically conductive filler of an energy delivery character dispersed around the major conductive material. The method includes mixing a major conductive material with an electrically conductive filler of an energy delivery character to form a mixture, coating the mixture on a substrate, applying a second energy source to the mixture while simultaneously applying a first energy source for sintering the major conductive material to form an electrically conductive composition with a resistivity smaller than 10×10?3?·cm.Type: GrantFiled: June 11, 2010Date of Patent: June 18, 2013Assignee: Industrial Technology Research InstituteInventors: Chun-An Lu, Hong-Ching Lin
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Publication number: 20130123726Abstract: A radio frequency (RF) identification tag including a substrate, a planar antenna, an RF chip, a plurality of signal conductors and a plurality of ground conductors is provided. The RF chip receives an RF signal from the planar antenna to generate an identification code. The signal conductors are coupled to the planar antenna. The ground conductors, interlaced on two opposite sides of the signal conductors, and the signal conductors are adjacent to each other and disposed on the substrate to form a coplanar waveguide structure which includes an impedance match portion and a transmission portion. The impedance match portion has an input end coupled to the signal conductors and a ground plane coupled to the ground conductors. The RF chip is disposed between the input end and the ground plane. The transmission portion is connected between the impedance match portion and the planar antenna.Type: ApplicationFiled: June 15, 2012Publication date: May 16, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jiun-Jang Yu, Chiung-Hsiung Chen, Chun-An Lu, Hong-Ching Lin
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Publication number: 20130023074Abstract: A method for forming a plurality of semiconductor light emitting devices includes forming an epitaxial layer having a first type doped layer, a light emitting layer, and a second type doped layer on a first temporary substrate. The epitaxial layer is separated into a plurality of epitaxial structures on the first temporary substrate. A second temporary substrate is coupled to the epitaxial layer with a first adhesive layer and the first temporary substrate is removed from the epitaxial layer. A permanent semiconductor substrate is coupled to the epitaxial layer with a second adhesive layer. The second temporary substrate and the first adhesive layer are removed from the epitaxial layer. The permanent semiconductor substrate is separated into a plurality of portions with each portion corresponding to at least one of the plurality of epitaxial structures to form a plurality of semiconductor light emitting devices.Type: ApplicationFiled: July 19, 2011Publication date: January 24, 2013Applicants: PHOSTEK, INC., NCKU RESEARCH AND DEVELOPMENT FOUNDATIONInventors: Ray-Hua Horng, Yi-An Lu
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Publication number: 20130023073Abstract: A method for forming a plurality of semiconductor light emitting devices includes forming an epitaxial layer having a first type doped layer, a light emitting layer, and a second type doped layer on a first temporary substrate. A second temporary substrate is coupled to an upper surface of the epitaxial layer with a first adhesive layer. The first temporary substrate is removed from the epitaxial layer to expose a bottom surface of the epitaxial layer. A permanent semiconductor substrate is coupled to the bottom surface of the epitaxial layer with a second adhesive layer. The second temporary substrate and the first adhesive layer are removed from the upper surface of the epitaxial layer. A plurality of semiconductor light emitting devices are formed from the epitaxial layer on the permanent semiconductor substrate.Type: ApplicationFiled: July 19, 2011Publication date: January 24, 2013Applicants: PHOSTEK, INC., NCKU RESEARCH AND DEVELOPMENT FOUNDATIONInventors: Ray-Hua Horng, Yi-An Lu
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Publication number: 20130020597Abstract: A semiconductor light emitting device and a method for making the semiconductor light emitting device are described. The semiconductor light emitting device includes an epitaxial structure having a first type doped layer, a light emitting layer, and a second type doped layer. The epitaxial structure may further include an undoped layer. A substrate is bonded to at least one surface of the epitaxial structure with an adhesive layer. One or more posts are located in the adhesive layer. The posts may have different widths depending on the location of the posts and/or the posts may only be located under certain portions of the epitaxial structure.Type: ApplicationFiled: July 19, 2011Publication date: January 24, 2013Applicants: PHOSTEK, INC., NCKU RESEARCH AND DEVELOPMENT FOUNDATIONInventors: Ray-Hua Horng, Yi-An Lu, Heng Liu
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Publication number: 20120228651Abstract: A light-emitting-diode (LED) array includes a first LED unit having a first electrode and a second LED unit having a second electrode. The first LED unit and the second LED unit are positioned on a common substrate and are separated by a gap. Two or more polymer materials form a multi-layered structure in the gap. A first polymer material substantially fills a lower portion of the gap and at least one additional polymer material substantially fills a remainder of the gap above the first polymer material. A kinematic viscosity of the first polymer material is less than a kinematic viscosity of the at least one additional polymer material. An interconnect, positioned on top of the at least one additional polymer material, electrically connects the first electrode and the second electrode.Type: ApplicationFiled: May 25, 2012Publication date: September 13, 2012Applicants: NCKU RESEARCH AND DEVELOPMENT FOUNDATION, PHOSTEK, INC.Inventors: Ray-Hua Horng, Yi-An Lu, Heng Liu
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Publication number: 20120211783Abstract: A light-emitting-diode (LED) array includes a first LED device having a first electrode and a second LED device having a second electrode. The first LED device and the second LED device are positioned on a common substrate. At least one polymer material is between the first LED device and the second LED device. A plurality of microsctructures are in the at least one polymer material. An interconnect is formed on top of the at least one polymer material to electrically connect the first electrode and the second electrode.Type: ApplicationFiled: May 2, 2012Publication date: August 23, 2012Applicants: NCKU RESEARCH AND DEVELOPMENT FOUNDATION, PHOSTEK, INC.Inventors: Ray-Hua Horng, Yi-An Lu, Pei-Yun Kuo
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Publication number: 20120193653Abstract: A light emitting diode array includes a first light emitting diode having a first electrode and a second light emitting diode having a second electrode. The first and second light emitting diodes are separated. A first polymer layer is positioned between the light emitting diodes. An interconnect located at least partially on the first polymer layer connects the first electrode to the second electrode. A permanent substrate is coupled to the light emitting diodes. The permanent substrate is coupled to the side of the light emitting diodes opposite the interconnect. A second polymer layer at least partially encapsulates the side of the light emitting diodes with the interconnect.Type: ApplicationFiled: November 2, 2011Publication date: August 2, 2012Applicants: NCKU RESEARCH AND DEVELOPMENT FOUNDATION, PHOSTEK, INC.Inventors: Ray-Hua Horng, Yi-An Lu, Heng Liu
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Publication number: 20120193652Abstract: A light emitting diode array includes a first light emitting diode having a first electrode and a second light emitting diode having a second electrode. The first and second light emitting diodes are separated. A first polymer layer is positioned between the light emitting diodes. An interconnect located at least partially on the first polymer layer connects the first electrode to the second electrode. A permanent substrate is coupled to the light emitting diodes. The permanent substrate is coupled to the side of the light emitting diodes with the interconnect. A second polymer layer at least partially encapsulates the side of the light emitting diodes opposite the permanent substrate (the side opposite the interconnect).Type: ApplicationFiled: November 2, 2011Publication date: August 2, 2012Applicants: NCKU RESEARCH AND DEVELOPMENT FOUNDATION, PHOSTEK, INC.Inventors: Ray-Hua Horng, Yi-An Lu, Heng Liu
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Publication number: 20120168211Abstract: A substrate assembly containing a conductive film and a fabrication method thereof are provided. The substrate assembly includes a polymer substrate, a surface treatment layer formed on the polymer substrate and a conductive film formed on the surface treatment layer, wherein the conductive film is formed by sintering a metal conductive ink and the surface treatment layer is formed from a composite material of an auxiliary filler and a polymer. The auxiliary filler in the surface treatment layer can deliver energy into the metal conductive ink for sintering the conductive metal ink.Type: ApplicationFiled: August 30, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-An LU, Hong-Ching LIN, Shih-Ming CHEN, Wen-Pin TING