Patents by Inventor Chao-Yang Hsu
Chao-Yang Hsu 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: 11942510Abstract: A light-emitting device comprises a substrate comprising a top surface; a plurality of light-emitting units formed on the top surface of the substrate comprising a first light-emitting unit, a second light-emitting unit, and one or a plurality of third light-emitting units, wherein each of the plurality of light-emitting units comprises a first semiconductor layer, an active layer and a second semiconductor layer; an insulating layer comprising a first insulating layer opening and a second insulating layer opening formed on each of the plurality of light-emitting units; a first extension electrode covering the first light-emitting unit, wherein the first extension electrode covers the first insulating layer opening on the first light-emitting unit without covering the second insulating layer opening on the first light-emitting unit; a second extension electrode covering the second light-emitting unit, wherein the second extension electrode covers the second insulating layer opening on the second light-emittinType: GrantFiled: July 27, 2022Date of Patent: March 26, 2024Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Chi-Shiang Hsu, Yong-Yang Chen
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Patent number: 11927799Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.Type: GrantFiled: December 31, 2020Date of Patent: March 12, 2024Inventors: Po-Kuan Shen, Chun-Chiang Yen, Chiu-Lin Yu, Kai-Lun Han, Jenq-Yang Chang, Mao-Jen Wu, Chao-Chieh Hsu
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Publication number: 20140268962Abstract: A hybrid DC/AC inverter for converting DC power to AC power feed to a grid voltage system has an input circuit, a half/full bridge switchable circuit and an output circuit. The input circuit has two input terminals for connecting to a DC source and outputs the DC power. The half/full bridge switchable circuit can be operated in a buck mode based on amplitudes of the DC power and the grid voltage. The output circuit is for connecting to the grid voltage system. According to comparison results between of the DC power and the grid voltage, the half/full bridge switchable circuit is selectively operated in the buck mode to reduce switching loss and power consumption.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Cyber Power Systems Inc.TInventors: Sheng-Ta Lee, Chao-Yang Hsu
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Publication number: 20130258606Abstract: A display device with a replaceable housing, applicable to an electronic product using a flip form, includes: a display panel module, a positioning plate, and an outer cover. The display panel module has a display portion on one side thereof. The positioning plate has a frame piece and a metal plate. The frame piece is disposed at the periphery of the display panel module. The metal plate is fixed at the frame piece to cover the other side of the display panel module. The outer cover is detachably joined with the positioning plate and covers the positioning plate.Type: ApplicationFiled: March 13, 2013Publication date: October 3, 2013Applicant: PEGATRON CORPORATIONInventor: CHAO-YANG HSU
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Publication number: 20100002447Abstract: A light-guiding element cooperates with a light source and includes a light-guiding frame and a scattering material. The light-guiding frame has a light incident surface, a light output surface, and an inclined surface. Light emitted by the light source enters into the light-guiding frame through the light incident surface, and the light is reflected by the inclined surface to be outputted through the light output surface. The scattering material is disposed at the inclined surface. A light-emitting module having the light-guiding element and an electronic device are also disclosed.Type: ApplicationFiled: June 30, 2009Publication date: January 7, 2010Inventors: Yu-Te Lin, Yi-Lung Lin, Chao-Yang Hsu
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Patent number: 7230353Abstract: A charging circuit in a back-up power system is provided. The charging circuit includes an output terminal electrically connected to a main power for providing an AC output voltage, a transformer having a secondary electrically connected to the output terminal, an energy storage and supply device providing a DC voltage, an inverter having an output electrically connected to a primary of the transformer and an input electrically connected to the energy storage and supply device and including four gate control switch devices to form a bridge switching device, a bridge rectifier having an input electrically connected to the output of the inverter in parallel, and a charging switch device electrically connected to an output of the bridge rectifier in parallel so as to charge the electrical energy storage and supply device through one of a conduction state and a cut-off state of said charging switch device.Type: GrantFiled: April 8, 2004Date of Patent: June 12, 2007Assignee: Delta Electronics, Inc.Inventors: Chao-Yang Hsu, Hung-Chieh Lin
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Publication number: 20040201278Abstract: A charging circuit in a back-up power system is disclosed.Type: ApplicationFiled: April 8, 2004Publication date: October 14, 2004Applicant: Delta Electronics, Inc.Inventors: Chao-Yang Hsu, Hung-Chieh Lin
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Patent number: 5780383Abstract: The invention is a solid catalyst having acid strength H.sub.o less than -18. Such catalysts are characterized by the ability to react with very weak bases, such as butane, at relatively low temperatures, for example temperatures in the range from 20.degree. to 200.degree. C. The catalysts have exceptionally high activity for various hydrocarbon conversion processes, for example, because of their exceptionally high acid strength.Type: GrantFiled: December 10, 1992Date of Patent: July 14, 1998Assignee: Sun Company, Inc. (R&M)Inventors: Elmer J. Hollstein, James T. Wei, Chao-Yang Hsu
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Patent number: 5648590Abstract: Acyclic hydrocarbons having 4 to 7 carbon atoms per molecule are isomerized in the liquid phase by contact with a solid superacid catalyst comprising sulfated oxide or hydroxide of a metal selected from the group consisting of Group III and Group IV metals, to obtain high octane number blending components for motor fuel and/or valuable chemical and fuel intermediates.Type: GrantFiled: August 17, 1994Date of Patent: July 15, 1997Assignee: Sun Company, Inc. (R&M)Inventors: Chao-Yang Hsu, Vasant K. Patel, David H. Vahlsing, James T. Wei, Harry K. Myers, Jr.
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Patent number: 5629257Abstract: A sulfated solid catalyst is provided which comprises (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. The catalyst of the invention is useful for the isomerization of normal alkanes having 4 to 40 carbon atoms per molecule, for the naphtha upgrading of a hydrocarbon feedstock and for the hydrocracking of a hydrocarbon feedstock.Type: GrantFiled: January 21, 1994Date of Patent: May 13, 1997Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Manoj V. Bhinde, Chao-Yang Hsu, Chen-Shi Huang
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Patent number: 5516964Abstract: An isomerization process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The sulfated support is calcined prior to incorporation of the first metal and subsequent to said incorporation. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. Said second and third metals are added prior to the first calcination.Type: GrantFiled: January 21, 1994Date of Patent: May 14, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Manoj V. Bhinde, Chao-Yang Hsu
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Patent number: 5510558Abstract: Oxidative dehydrogenation of alkanes and alkylaromatic hydrocarbons is achieved by contact with an active carbon catalyst. In various aspects of the invention, the oxidative dehydrogenation is performed at a pressure above about 100 psia, and/or at a temperature in the range from about 500.degree. C. to about 800.degree. C., and/or the active carbon catalyst contains a metal, for example, molybdenum.Type: GrantFiled: December 29, 1993Date of Patent: April 23, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Kevin A. Boyer, Chao-Yang Hsu
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Patent number: 5494569Abstract: A hydrocracking process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese.Type: GrantFiled: January 21, 1994Date of Patent: February 27, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Manoj V. Bhinde, Chao-Yang Hsu
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Patent number: 5494571Abstract: A naphtha upgrading process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The sulfated support is calcined prior to incorporation of the first metal and subsequent to said incorporation. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. Said second and third metals are added prior to the first calcination.Type: GrantFiled: January 21, 1994Date of Patent: February 27, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Richard E. Mitchell, Chao-Yang Hsu, Manoj V. Bhinde, Chiu-Hsun Lin
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Patent number: 5493067Abstract: Isoparaffins and olefins are alkylated by contact with a solid superacid such as sulfated zirconia optionally containing added metals, and containing added heteropolyacids (HPA's) or polyoxoanions (POA's). The presence of HPA's or POA's in the solid superacid catalyst results in higher yields of desired high-octane components in the product mixture than are obtained in the absence of HPA's or POA's.Type: GrantFiled: November 12, 1993Date of Patent: February 20, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Howard P. Angstadt, Elmer J. Hollstein, Chao-Yang Hsu
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Patent number: 5491278Abstract: Isoparaffins and olefins are alkylated in the liquid phase by contact with a solid superacid such as sulfated zirconia containing heteropolyacids or polyoxoanions. High octane number blending components for motor fuel and other valuable products are obtained, with important advantages over processes using liquid acid catalysts, and over vapor phase alkylation with solid superacid catalysts.Type: GrantFiled: November 12, 1993Date of Patent: February 13, 1996Assignee: Sun Company, Inc. (R&M)Inventors: Howard P. Angstadt, Elmer J. Hollstein, Chao-Yang Hsu
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Patent number: 5476981Abstract: Solid superacid catalyst, for example sulfated zirconia, is used in the oxidative dehydrogenation of saturated or partially saturated hydrocarbons, for example the conversion of isobutane to isobutylene in the presence of an oxygen-containing oxidizing agent at reaction conditions typically including temperatures from 500 to 1,000 degrees Fahrenheit, superatmospheric pressures, and oxygen/alkane molar ratios from 0.2 to 20. Performance of a metal-oxide or metal-hydroxide oxidative dehydrogenation catalyst may be enhanced by pretreating a solid superacid or other catalyst containing metal oxides or hydroxides at a carbonizing temperature with an organic material, for example an oxygen-containing organic material, to form a carbonaceous layer on the surface thereof prior to use of the catalyst in oxidative dehydrogenation.Type: GrantFiled: December 29, 1993Date of Patent: December 19, 1995Assignee: Sun Company, Inc. (R&M)Inventors: Benjamin S. Umansky, Chao-Yang Hsu
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Patent number: 5362694Abstract: A process for regeneration of spent sulfated and calcined solid superacid catalyst is disclosed. Said process comprises heating said catalyst to a temperature of approximately 450.degree. C. and contacting said catalyst with a gas stream comprising oxygen or air and sulfur dioxide. This regeneration process can be performed in situ.Type: GrantFiled: March 30, 1993Date of Patent: November 8, 1994Assignee: Sun Company, Inc. (R&M)Inventors: Elmer J. Hollstein, Chao-Yang Hsu
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Patent number: 5321197Abstract: New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or hydroxide of molybdenum, and (3) an oxide or hydroxide of a Group I-B, II-B, III-A, III-B, IV-B, V-A or VI-A metal other than molybdenum or a metal of the Lanthanide Series of the Periodic Table. A process for alkylation of acyclic saturated compounds with acyclic unsaturated compounds utilizing such catalyst compositions.Type: GrantFiled: December 17, 1992Date of Patent: June 14, 1994Assignee: Sun Company, Inc. (R&M)Inventors: Howard P. Angstadt, Elmer J. Hollstein, Chao-Yang Hsu
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Patent number: 5310868Abstract: New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or hydroxide of a Group VI, VII or VIII metal, (3) an oxide or hydroxide of a Group I-B, II-B, III-A, III-B, IV-B, V-A or VI-A metal and (4) a metal of the Lanthanide Series of the Periodic Table. A process for alkylation of acyclic saturated compounds with acyclic unsaturated compounds utilizing such catalyst compositions.Type: GrantFiled: December 17, 1992Date of Patent: May 10, 1994Assignee: Sun Company, Inc.Inventors: Howard P. Angstadt, Elmer J. Hollstein, Chao-Yang Hsu