Patents by Inventor Chih Pang Ma
Chih Pang Ma 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: 11063184Abstract: A light-emitting diode includes: a light emitting epitaxial structure including a first-type semiconductor layer, an active layer and a second-type semiconductor layer, and having a first surface as a light emitting surface, and an opposing second surface; a conducting layer formed over the second surface and including a physical plating layer and a chemical plating layer, wherein the physical plating layer is adjacent to the light emitting epitaxial structure and has cracks, and the chemical plating layer fills the cracks in the physical plating layer; and a submount coupled to the light emitting epitaxial laminated layer through the conducting layer.Type: GrantFiled: September 20, 2018Date of Patent: July 13, 2021Assignee: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao Jin, Chuang Yu Hsieh, Chen Kang Hsieh, Duxiang Wang, Chaoyu Wu, Chih Pang Ma
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Publication number: 20190027652Abstract: A light-emitting diode includes: a light emitting epitaxial structure including a first-type semiconductor layer, an active layer and a second-type semiconductor layer, and having a first surface as a light emitting surface, and an opposing second surface; a conducting layer formed over the second surface and including a physical plating layer and a chemical plating layer, wherein the physical plating layer is adjacent to the light emitting epitaxial structure and has cracks, and the chemical plating layer fills the cracks in the physical plating layer; and a submount coupled to the light emitting epitaxial laminated layer through the conducting layer.Type: ApplicationFiled: September 20, 2018Publication date: January 24, 2019Applicant: XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao JIN, Chuang Yu HSIEH, Chen Kang HSIEH, Duxiang WANG, Chaoyu WU, Chih Pang MA
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Patent number: 9082934Abstract: A semiconductor optoelectronic structure with increased light extraction efficiency, includes a substrate; a buffer layer is formed on the substrate and includes a pattern having plural grooves formed adjacent to the substrate; a semiconductor layer is formed on the buffer layer and includes an n-type conductive layer formed on the buffer layer, an active layer formed on the n-type conductive layer, and a p-type conductive layer formed on the active layer; a transparent electrically conductive layer is formed on the semiconductor layer; a p-type electrode is formed on the transparent electrically conductive layer; and an n-type electrode is formed on the n-type conductive layer.Type: GrantFiled: September 26, 2013Date of Patent: July 14, 2015Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Shih-Cheng Huang, Po-Min Tu, Peng-Yi Wu, Wen-Yu Lin, Chih-Pang Ma, Tzu-Chien Hong, Chia-Hui Shen
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Publication number: 20140027806Abstract: A semiconductor optoelectronic structure with increased light extraction efficiency, includes a substrate; a buffer layer is formed on the substrate and includes a pattern having plural grooves formed adjacent to the substrate; a semiconductor layer is formed on the buffer layer and includes an n-type conductive layer formed on the buffer layer, an active layer formed on the n-type conductive layer, and a p-type conductive layer formed on the active layer; a transparent electrically conductive layer is formed on the semiconductor layer; a p-type electrode is formed on the transparent electrically conductive layer; and an n-type electrode is formed on the n-type conductive layer.Type: ApplicationFiled: September 26, 2013Publication date: January 30, 2014Inventors: SHIH-CHENG HUANG, PO-MIN TU, PENG-YI WU, WEN-YU LIN, CHIH-PANG MA, TZU-CHIEN HUNG, CHIA-HUI SHEN
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Patent number: 8574939Abstract: A semiconductor optoelectronic structure with increased light extraction efficiency and a fabrication method thereof are presented. The semiconductor optoelectronic structure includes continuous grooves formed under an active layer of the semiconductor optoelectronic structure to reflect light from the active layer and thereby direct more light through a light output surface so as to increase the light intensity from the semiconductor optoelectronic structure.Type: GrantFiled: July 14, 2010Date of Patent: November 5, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Shih Cheng Huang, Po Min Tu, Peng Yi Wu, Wen Yu Lin, Chih Pang Ma, Tzu Chien Hong, Chia Hui Shen
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Patent number: 8535958Abstract: A method for fabricating a light emitting diode includes steps of: forming a light emitting structure of the light emitting diode on a substrate; arranging a photoresist layer on a first semiconductor layer of the light emitting structure; depositing a plurality of dielectric material structures on the first semiconductor layer through a plurality of voids of the photoresist layer; removing the photoresist layer to form a plurality of voids between the plurality of dielectric material structures; forming a plurality of metal material structures in the plurality of voids; and forming a reflective layer on the plurality of dielectric material structures and the plurality of metal material structures.Type: GrantFiled: August 26, 2012Date of Patent: September 17, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Tzu-Chien Hung, Chia-Hui Shen, Chih-Pang Ma, Chih-Peng Hsu, Shih-Hsiung Chan
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Publication number: 20120322183Abstract: A method for fabricating a light emitting diode includes steps of: forming a light emitting structure of the light emitting diode on a substrate; arranging a photoresist layer on a first semiconductor layer of the light emitting structure; depositing a plurality of dielectric material structures on the first semiconductor layer through a plurality of voids of the photoresist layer; removing the photoresist layer to form a plurality of voids between the plurality of dielectric material structures; forming a plurality of metal material structures in the plurality of voids; and forming a reflective layer on the plurality of dielectric material structures and the plurality of metal material structures.Type: ApplicationFiled: August 26, 2012Publication date: December 20, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: TZU CHIEN HONG, CHIA HUI SHEN, CHIH PANG MA, CHIH PENG HSU, SHIH HSIUNG CHAN
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Patent number: 8278645Abstract: A light emitting diode is disclosed, wherein the light emitting diode comprises a metal reflective layer for enhancing the light reflection efficiency inside the light emitting diode and reducing the resistance to avoid the power loss. In addition, the light emitting diode further comprises a buffer layer sandwiched between the metal reflective layer and a semiconductor layer, wherein the buffer layer is mixed with metal and non-metallic transparent material for reducing the stress between the semiconductor and the metal to decrease the possibility of the die cracking.Type: GrantFiled: July 15, 2009Date of Patent: October 2, 2012Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Tzu Chien Hong, Chia Hui Shen, Chih Pang Ma, Chih Peng Hsu, Shih Hsiung Chan
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Patent number: 8253146Abstract: An LED die includes a multi-layer semiconductor with a first surface, a second surface opposite to the first surface, an inclined plane connecting to the first surface and the second surface, a first electrode and a second electrode respectively positioned on the first surface and the second surface, a first heat dissipation layer made of electrically-insulating and thermally conductive material being coated on the first surface and the inclined plane with a first opening exposing the first electrode, and a second heat dissipation layer made of electrically and thermally conductive material being coated on the first heat dissipation layer and contacting and electrically connecting with the first electrode.Type: GrantFiled: September 22, 2010Date of Patent: August 28, 2012Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Tzu-Chien Hung, Chia-Hui Shen, Chih-Pang Ma
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Patent number: 7994515Abstract: An exemplary solid-state light emitting device includes a substrate, a light emitting structure, a first electrode and a second electrode have opposite polarities with each other. The light emitting structure includes a first-type semiconductor layer, a second-type semiconductor layer and an active layer between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode electrically is connected with the first-type semiconductor layer. The first electrode includes a first contact pad and a current induced electrode spaced apart and insulated from each other. The second electrode has an opposite polarity with respect to the first electrode. The second electrode includes a transparent conductive layer formed on and electrically connected with the second-type semiconductor layer and a metallic conductive layer formed on the transparent conductive layer and in electrical contact therewith.Type: GrantFiled: December 29, 2008Date of Patent: August 9, 2011Assignee: Foxsemicon Integrated Technology, Inc.Inventors: Chih-Peng Hsu, Chih-Pang Ma, Wen-Jang Jiang
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Publication number: 20110101408Abstract: An LED die includes a multi-layer semiconductor with a first surface, a second surface opposite to the first surface, an inclined plane connecting to the first surface and the second surface, a first electrode and a second electrode respectively positioned on the first surface and the second surface, a first heat dissipation layer made of electrically-insulating and thermally conductive material being coated on the first surface and the inclined plane with a first opening exposing the first electrode, and a second heat dissipation layer made of electrically and thermally conductive material being coated on the first heat dissipation layer and contacting and electrically connecting with the first electrode.Type: ApplicationFiled: September 22, 2010Publication date: May 5, 2011Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: TZU-CHIEN HUNG, CHIA-HUI SHEN, CHIH-PANG MA
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Publication number: 20110073872Abstract: A high brightness light emitting diode includes a carrier substrate and an epitaxial multi-layer formed thereon. The carrier substrate includes a metal material and a medium, and a coefficient of thermal expansion (CTE) of the medium is less than a CTE of the metal material.Type: ApplicationFiled: August 25, 2010Publication date: March 31, 2011Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: TZU-CHIEN HUNG, CHIA-HUI SHEN, CHIH-PANG MA
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Publication number: 20110012155Abstract: A semiconductor optoelectronic structure with increased light extraction efficiency and a fabrication method thereof are presented. The semiconductor optoelectronic structure includes continuous grooves formed under an active layer of the semiconductor optoelectronic structure to reflect light from the active layer and thereby direct more light through a light output surface so as to increase the light intensity from the semiconductor optoelectronic structure.Type: ApplicationFiled: July 14, 2010Publication date: January 20, 2011Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY INC.Inventors: Shih Cheng Huang, Po Min Tu, Peng Yi Wu, Wen Yu Lin, Chih Pang Ma, Tzu Chien Hong, Chia Hui Shen
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Publication number: 20100261300Abstract: A method for separating an epitaxial substrate from a semiconductor layer initially forms a patterned silicon dioxide layer between a substrate and a semiconductor layer, and then separates the substrate from the patterned silicon dioxide layer using two wet etching processes.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY INC.Inventors: PO MIN TU, SHIH CHENG HUANG, YING CHAO YEH, WEN YU LIN, PENG YI WU, CHIH PANG MA, TZU CHIEN HONG, CHIA HUI SHEN
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Publication number: 20100224897Abstract: A semiconductor optoelectronic device with enhanced light extraction efficiency includes at least one protrusion structure, which can be formed around a light-emitting region of the device. The at least one protrusion structure can include a plurality of protrusion structures in one embodiment. In addition, a fabricating method for forming a semiconductor optoelectronic device with enhanced light extraction efficiency is provided in the present invention.Type: ApplicationFiled: March 2, 2010Publication date: September 9, 2010Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY INC.Inventors: SHIH CHENG HUANG, CHIH PANG MA, PO MIN TU, YING CHAO YEH, WEN YU LIN, PENG YI WU, SHIH HSIUNG CHAN
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Publication number: 20100224900Abstract: A semiconductor optoelectronic device with enhanced light extraction efficiency includes a major luminescent area and a secondary luminescent area, wherein the major luminescent area is surrounded by a secondary luminescent area. The secondary luminescent area not only can improve the light extraction efficiency of the major luminescent area, but per se also can luminesce. In addition, one embodiment of the present invention provides a fabricating method for forming the secondary luminescent area.Type: ApplicationFiled: March 4, 2010Publication date: September 9, 2010Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY INC.Inventors: PENG YI WU, SHIH CHENG HUANG, CHIH PANG MA, PO MIN TU, YING CHAO YEH, WEN YU LIN, SHIH HSIUNG CHAN
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Patent number: 7683381Abstract: A semiconductor light-emitting device comprises an N-type semiconductor layer, an active layer formed on the surface of the N-type semiconductor layer, a P-type semiconductor layer formed on the surface of the active layer, and a reflective layer formed on the surface of the P-type semiconductor layer. A plurality of ohmic contact blocks with electrical properties of ohmic contact are on the surface of the reflective layer adjacent to the P-type semiconductor layer, and the remaining part of the surface acts as the reflective regions with higher reflectivity, and the reflective regions can effectively reflect the light generated from the active layer.Type: GrantFiled: February 14, 2008Date of Patent: March 23, 2010Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Chih Peng Hsu, Chih Pang Ma, Shih Hsiung Chan
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Publication number: 20100012962Abstract: A light emitting diode is disclosed, wherein the light emitting diode comprises a metal reflective layer for enhancing the light reflection efficiency inside the light emitting diode and reducing the resistance to avoid the power loss. In addition, the light emitting diode further comprises a buffer layer sandwiched between the metal reflective layer and a semiconductor layer, wherein the buffer layer is mixed with metal and non-metallic transparent material for reducing the stress between the semiconductor and the metal to decrease the possibility of the die cracking.Type: ApplicationFiled: July 15, 2009Publication date: January 21, 2010Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY INC.Inventors: TZU CHIEN HONG, CHIA HUI SHEN, CHIH PANG MA, CHIH PENG HSU, SHIH HSIUNG CHAN
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Patent number: 7586129Abstract: A single chip with multi-LED comprises a substrate on which an N-type semiconductor layer, an active layer and a P-type semiconductor layer are successively stacked. At least one N-type electrode is connected to the N-type semiconductor layer, and is exposed to an opening through the active layer and the P-type semiconductor layer. Further, at least one groove divides the P-type semiconductor layer into a plurality of separated regions, and a P-type electrode is disposed on each separated region.Type: GrantFiled: December 1, 2006Date of Patent: September 8, 2009Assignee: Advanced Optoelectronic Technology Inc.Inventors: Chih Peng Hsu, Chester Kuo, Chih Pang Ma
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Publication number: 20090189167Abstract: An exemplary solid-state light emitting device includes a substrate, a light emitting structure, a first electrode and a second electrode have opposite polarities with each other. The light emitting structure includes a first-type semiconductor layer, a second-type semiconductor layer and an active layer between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode electrically is connected with the first-type semiconductor layer. The first electrode includes a first contact pad and a current induced electrode spaced apart and insulated from each other. The second electrode has an opposite polarity with respect to the first electrode. The second electrode includes a transparent conductive layer formed on and electrically connected with the second-type semiconductor layer and a metallic conductive layer formed on the transparent conductive layer and in electrical contact therewith.Type: ApplicationFiled: December 29, 2008Publication date: July 30, 2009Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: CHIH-PENG HSU, CHIH-PANG MA, WEN-JANG JIANG