Patents by Inventor Chia-Fen Tsai
Chia-Fen Tsai 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: 11948531Abstract: A light source device, including a first light source, providing a first light beam in a first time period of a first period; and a second light source, providing a second light beam in a second time period of the first period, is provided. The first light beam and the second light beam have the same color temperature. The first light beam and the second light beam are emitted alternately in the first period, and a color rendering index of mixed light of the first light beam and the second light beam is greater than or equal to 85.Type: GrantFiled: December 30, 2021Date of Patent: April 2, 2024Assignee: Industrial Technology Research InstituteInventors: Tzung-Te Chen, Hsin-Yun Tsai, Shih-Yi Wen, Chia-Fen Hsieh
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Patent number: 9627577Abstract: A method of applying a fluorescent material to a surface includes providing a substrate, providing a semiconductor light-emitting stack on the substrate, bonding the substrate to the semiconductor light-emitting stack, and overlaying top and side surfaces of the semiconductor light-emitting stack with the fluorescent material, wherein the fluorescent material contains no binding material.Type: GrantFiled: October 6, 2014Date of Patent: April 18, 2017Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Chia-Fen Tsai
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Publication number: 20150044794Abstract: A semiconductor light-emitting device includes a light-impervious substrate, a bonding structure, a semiconductor light-emitting stack, and a fluorescent material structure overlaying the semiconductor light-emitting stack. The semiconductor light-emitting stack is separated from a growth substrate and bonded to the light-impervious substrate via the bonding structure. A method for producing the semiconductor light-emitting device includes separating a semiconductor light-emitting stack from a growth substrate, bonding the semiconductor light-emitting stack to a light-impervious substrate, and forming a fluorescent material structure over the semiconductor light-emitting stack.Type: ApplicationFiled: October 6, 2014Publication date: February 12, 2015Inventors: Min-Hsun HSIEH, Chia-Fen TSAI
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Patent number: 8853722Abstract: A semiconductor light-emitting device includes a light-impervious substrate, a bonding structure, a semiconductor light-emitting stack, and a fluorescent material structure overlaying the semiconductor light-emitting stack. The semiconductor light-emitting stack is separated from a growth substrate and bonded to the light-impervious substrate via the bonding structure. A method for producing the semiconductor light-emitting device includes separating a semiconductor light-emitting stack from a growth substrate, bonding the semiconductor light-emitting stack to a light-impervious substrate, and forming a fluorescent material structure over the semiconductor light-emitting stack.Type: GrantFiled: March 10, 2011Date of Patent: October 7, 2014Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chia-Fen Tsai
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Patent number: 8657467Abstract: 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: GrantFiled: January 15, 2008Date of Patent: February 25, 2014Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chou-Chih Yin, Chun-Chang Chen, Jen-Shui Wang, Chia-Fen Tsai, Yi-Ming Chen
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Publication number: 20110156078Abstract: A semiconductor light-emitting device includes a light-impervious substrate, a bonding structure, a semiconductor light-emitting stack, and a fluorescent material structure overlaying the semiconductor light-emitting stack. The semiconductor light-emitting stack is separated from a growth substrate and bonded to the light-impervious substrate via the bonding structure. A method for producing the semiconductor light-emitting device includes separating a semiconductor light-emitting stack from a growth substrate, bonding the semiconductor light-emitting stack to a light-impervious substrate, and forming a fluorescent material structure over the semiconductor light-emitting stack.Type: ApplicationFiled: March 10, 2011Publication date: June 30, 2011Inventors: Min-Hsun HSIEH, Chia-Fen Tsai
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Patent number: 7928455Abstract: A semiconductor light-emitting device includes a light-impervious substrate, a bonding structure, a semiconductor light-emitting stack, and a fluorescent material structure overlaying the semiconductor light-emitting stack. The semiconductor light-emitting stack is separated from a growth substrate and bonded to the light-impervious substrate via the bonding structure. A method for producing the semiconductor light-emitting device includes separating a semiconductor light-emitting stack from a growth substrate, bonding the semiconductor light-emitting stack to a light-impervious substrate, and forming a fluorescent material structure over the semiconductor light-emitting stack.Type: GrantFiled: June 29, 2005Date of Patent: April 19, 2011Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chia-Fen Tsai
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Patent number: 7745832Abstract: A semiconductor light-emitting element assembly, comprising a composite substrate, a circuit layout carrier, a connecting structure, a recess, and a semiconductor light-emitting element, is disclosed. The connecting structure is used for bonding the composite substrate with the circuit layout carrier. The recess is formed by the circuit layout carrier and extends toward the composite substrate. The semiconductor light-emitting element is deposited in the recess and electrically connected to the circuit layout carrier.Type: GrantFiled: September 12, 2005Date of Patent: June 29, 2010Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chou-Chih Yin, Chien-Yuan Wang, Jen-Shui Wang, Chia-Fen Tsai, Chia-Liang Hsu
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Publication number: 20080112156Abstract: 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 wavelike 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 wavelike array, wherein the wavelike array has a wavefront direction.Type: ApplicationFiled: January 15, 2008Publication date: May 15, 2008Inventors: Min-Hsun Hsieh, Chou-Chih Yin, Chun-Chang Chen, Jen-Shui Wang, Chia-Fen Tsai, Yi-Ming Chen
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Patent number: 7341358Abstract: 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 wavelike 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 wavelike array, wherein the wavelike array has a wavefront direction.Type: GrantFiled: September 20, 2005Date of Patent: March 11, 2008Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chou-Chih Yin, Chun-Chang Chen, Jen-Shui Wang, Chia-Fen Tsai, Yi-Ming Chen
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Patent number: 7246931Abstract: A tube type light emitting diode light source including a light source generator, a light guide and a diffuser is provided. The light source generator includes LEDs arranging in a line. The light guide has a grooved light incident surface and a grooved light-guiding surface. The grooved light incident surface encompasses the LEDs, and the grooved light-guiding surface is adapted for changing the propagating direction of an incident light. The diffuser covers the light guide.Type: GrantFiled: December 13, 2005Date of Patent: July 24, 2007Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Chou-Chih Yin, Chia-Liang Hsu, Jen-Shui Wang, Chia-Fen Tsai, Chien-Yuan Wang
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Patent number: 7220041Abstract: Disclosed is a planar light source device comprising a light generation device comprising at least two light-emitting elements; a light-mixing device for mixing a generated light from the light generation device to generate a mixed linear light; and a planar light generation device comprising a light-scattering portion for receiving the mixed light to generate a planar light.Type: GrantFiled: May 10, 2005Date of Patent: May 22, 2007Assignee: Epistar CorporationInventors: Yi-Ming Chen, Chou-Chih Yin, Jun-Chung Chen, Chia-Liang Hsu, Chia-Fen Tsai, Min-Hsun Hsieh
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Patent number: 7178942Abstract: A planar light-emitting device includes a light source for generating light, a light gathering module for gathering the light generated by the light source and generating mixed light, a linear light generator comprising a light distributing unit for receiving the mixed light and distributing the mixed light to generate linear light, and a planar light generator for receiving the linear light and generating a planar light.Type: GrantFiled: January 19, 2005Date of Patent: February 20, 2007Assignee: Epistar CorporationInventors: Yi-Ming Chen, Jun-Chung Chen, Chou-Chih Yin, Chia-Liang Hsu, Chia-Fen Tsai, Min-Hsun Hsieh
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Publication number: 20060126343Abstract: A tube type light emitting diode light source including a light source generator, a light guide and a diffuser is provided. The light source generator includes LEDs arranging in a line. The light guide has a grooved light incident surface and a grooved light-guiding surface. The grooved light incident surface encompasses the LEDs, and the grooved light-guiding surface is adapted for changing the propagating direction of an incident light. The diffuser covers the light guide.Type: ApplicationFiled: December 13, 2005Publication date: June 15, 2006Inventors: Min-Hsun Hsieh, Chou-Chih Yin, Chia-Liang Hsu, Jen-Shui Wang, Chia-Fen Tsai, Chien-Yuan Wang
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Publication number: 20060076571Abstract: A semiconductor light-emitting element assembly, comprising a composite substrate, a circuit layout carrier, a connecting structure, a recess, and a semiconductor light-emitting element, is disclosed. The connecting structure is used for bonding the composite substrate with the circuit layout carrier. The recess is formed by the circuit layout carrier and extends toward the composite substrate. The semiconductor light-emitting element is deposited in the recess and electrically connected to the circuit layout carrier.Type: ApplicationFiled: September 12, 2005Publication date: April 13, 2006Inventors: Min-Hsun Hsieh, Chou-Chih Yin, Chien-Yuan Wang, Jen-Shui Wang, Chia-Fen Tsai, Chia-Liang Hsu
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Publication number: 20060077685Abstract: 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 wavelike 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 wavelike array, wherein the wavelike array has a wavefront direction.Type: ApplicationFiled: September 20, 2005Publication date: April 13, 2006Inventors: Min-Hsun Hsieh, Chou-Chih Yin, Chun-Chang Chen, Jen-Shui Wang, Chia-Fen Tsai, Yi-Ming Chen
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Publication number: 20050276068Abstract: Disclosed is a planar light source device comprising a light generation device comprising at least two light-emitting elements; a light-mixing device for mixing a generated light from the light generation device to generate a mixed linear light; and a planar light generation device comprising a light-scattering portion for receiving the mixed light to generate a planar light.Type: ApplicationFiled: May 10, 2005Publication date: December 15, 2005Inventors: YI-MING CHEN, CHOU-CHIH YIN, JUN-CHUNG CHEN, CHIA-LIANG HSU, CHIA-FEN TSAI, Min-Hsun Hsieh
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Publication number: 20050263776Abstract: A semiconductor light-emitting device includes a light-impervious substrate, a bonding structure, a semiconductor light-emitting stack, and a fluorescent material structure overlaying the semiconductor light-emitting stack. The semiconductor light-emitting stack is separated from a growth substrate and bonded to the light-impervious substrate via the bonding structure. A method for producing the semiconductor light-emitting device includes separating a semiconductor light-emitting stack from a growth substrate, bonding the semiconductor light-emitting stack to a light-impervious substrate, and forming a fluorescent material structure over the semiconductor light-emitting stack.Type: ApplicationFiled: June 29, 2005Publication date: December 1, 2005Inventors: Min-Hsun Hsieh, CHIA-FEN TSAI
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Publication number: 20050265044Abstract: A planar light-emitting device includes a light source for generating light, a light gathering module for gathering the light generated by the light source and generating mixed light, a linear light generator comprising a light distributing unit for receiving the mixed light and distributing the mixed light to generate linear light, and a planar light generator for receiving the linear light and generating a planar light.Type: ApplicationFiled: January 19, 2005Publication date: December 1, 2005Inventors: YI-MING CHEN, JUN-CHUNG CHEN, CHOU-CHIH YIN, CHIA-LIANG HSU, CHIA-FEN TSAI, Min-Hsun Hsieh