Patents by Inventor PI-CHIANG HU
PI-CHIANG HU 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: 8912558Abstract: An LED package includes a substrate, an LED chip arranged on the substrate, and a light transmission layer arranged on a light output path of the LED chip. The substrate includes a first electrode and a second electrode separated and electrically insulated from the first electrode. The LED chip is electrically connected to the first electrode and the second electrode of the substrate. The light transmission layer comprises two parallel transparent plates and a fluorescent layer sandwiched between the two transparent plates. The LED package further includes an encapsulation layer sealing the LED chip therein. The light transmission layer is directly located on a top surface of each LED chip, and the encapsulation layer seals the light transmission layer therein.Type: GrantFiled: March 10, 2014Date of Patent: December 16, 2014Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Pi-Chiang Hu, Shih-Yuan Hsu
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Publication number: 20140183587Abstract: An LED package includes a substrate, an LED chip arranged on the substrate, and a light transmission layer arranged on a light output path of the LED chip. The substrate includes a first electrode and a second electrode separated and electrically insulated from the first electrode. The LED chip is electrically connected to the first electrode and the second electrode of the substrate. The light transmission layer comprises two parallel transparent plates and a fluorescent layer sandwiched between the two transparent plates. The LED package further includes an encapsulation layer sealing the LED chip therein. The light transmission layer is directly located on a top surface of each LED chip, and the encapsulation layer seals the light transmission layer therein.Type: ApplicationFiled: March 10, 2014Publication date: July 3, 2014Inventors: PI-CHIANG HU, SHIH-YUAN HSU
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Patent number: 8709842Abstract: An LED package includes a substrate, an LED chip arranged on the substrate, and a light transmission layer arranged on a light output path of the LED chip. The substrate includes a first electrode and a second electrode separated and electrically insulated from the first electrode. The LED chip is electrically connected to the first electrode and the second electrode of the substrate. The light transmission layer comprises two parallel transparent plates and a fluorescent layer sandwiched between the two transparent plates. The LED package further includes a transparent encapsulation layer sealing the LED chip therein, and in one embodiment, the light transmission layer is located on the encapsulation layer and in another embodiment, the encapsulation layer also seals the light transmission layer therein. A method for manufacturing the LED package is also provided.Type: GrantFiled: May 21, 2012Date of Patent: April 29, 2014Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Pi-Chiang Hu, Shih-Yuan Hsu
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Patent number: 8581117Abstract: A plurality of conductive areas is formed on a conductive substrate which includes a frame. Each of the conductive areas includes a lead frame and two electrodes. The frame includes a first side and an opposite second side. The lead frame includes first and second lead frame beams. The first and second lead frame beams extend from the first side toward the second side to connect with the two electrodes. The first and second electrodes extend respectively from the first and second lead frame beams. Each conductive area also includes a supporting portion interconnecting the electrodes and the frame to reinforce the connection between the frame and the conductive area so that the conductive area can sustain a pressure when an insulation shell is injection molded on the conductive area.Type: GrantFiled: February 6, 2012Date of Patent: November 12, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Pi-Chiang Hu, Kai-Lun Wang
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Patent number: 8569781Abstract: An LED package comprises a substrate, a reflector, a light-absorbing layer, an encapsulation layer and an LED chip. The light-absorbing layer is located around the reflector and is able to absorb any light which penetrates through the reflector. Therefore, any vignetting or halation of light from the LED package is prevented. Moreover, the LED package can be constructed on a very small scale with no reduction in its color rendering properties.Type: GrantFiled: November 3, 2011Date of Patent: October 29, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Pi-Chiang Hu, Shih-Yuan Hsu, Kai-Lun Wang
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Patent number: 8569790Abstract: A light emitting diode (LED) package includes a substrate, a first LED chip and a second LED chip. The substrate includes first to fourth electrodes, and an interconnection electrode. A mounting area is defined at center of a top surface of the substrate. The first to fourth electrodes are respectively in four corners of the substrate out of the mounting area. The first interconnection electrode is embedded in the substrate to electrically connect the first and the third electrodes. The first LED chip and the second LED chip are arranged in the mounting area. Each LED chip includes an anode pad and a cathode pad. The first to fourth electrodes are respectively connected to the four pads of the first and the second LED chips via a plurality of metal wires, and no metal wire connection is formed between the first and the second LED chips.Type: GrantFiled: March 1, 2013Date of Patent: October 29, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Chao-Hsiung Chang, Pi-Chiang Hu
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Patent number: 8507934Abstract: An exemplary light emitting diode (LED) package includes a substrate having a first electrical portion and a second electrical portion formed thereon, two antioxidation layers formed on and electrically connected to the first electrical portion and the second electrical portion, respectively, and an LED chip disposed on the substrate and electrically connected to the two antioxidation layers.Type: GrantFiled: August 15, 2011Date of Patent: August 13, 2013Assignee: Advanced Optoelectronics Technology, Inc.Inventors: Chao-Hsiung Chang, Chieh-Ling Chang, Pi-Chiang Hu
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Patent number: 8471287Abstract: An LED package includes a substrate with two opposite lateral bulging portions, an LED die, an electrode structure, and a reflective layer. The substrate includes a first substrate and a second substrate stacked together; the first substrate and the second substrate are transparent; and the substrate includes an emitting surface for emitting light of the LED package. The electrode structure is sandwiched between the first substrate and the second substrate. The LED die is mounted in the substrate and electrically connected to the electrode structure. The reflective layer is formed on an outer surface of the substrate except the emitting surface and the bulging portions. The disclosure also provides a method for manufacturing such an LED package.Type: GrantFiled: February 10, 2012Date of Patent: June 25, 2013Assignee: Advanced Optoelectronics Technology, Inc.Inventors: Pi-Chiang Hu, Shih-Yuan Hsu
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Patent number: 8410516Abstract: A light emitting diode (LED) package includes a substrate, a first LED chip and a second LED chip. The substrate includes first to fourth electrodes, and an interconnection electrode. A mounting area is defined at center of a top surface of the substrate. The first to fourth electrodes are respectively in four corners of the substrate out of the mounting area. The first interconnection electrode is embedded in the substrate to electrically connect the first and the third electrodes. The first LED chip and the second LED chip are arranged in the mounting area. Each LED chip includes an anode pad and a cathode pad. The first to fourth electrodes are respectively connected to the four pads of the first and the second LED chips via a plurality of metal wires, and no metal wire connection is formed between the first and the second LED chips.Type: GrantFiled: April 8, 2011Date of Patent: April 2, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Chao-Hsiung Chang, Pi-Chiang Hu
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Publication number: 20130062642Abstract: An LED package device comprises a substrate, a first electrode, a second electrode, a reflector, an encapsulation layer and an LED die. The substrate includes a top surface and a bottom surface opposite to the top surface, wherein the first and the second electrodes are located on the top surface of the substrate. A sum of the areas of the first and the second electrodes on the top surface is smaller than ΒΌ-? the area of the top surface. Therefore, an increased contacting area between the reflector and the substrate is formed to enhance the tightness of the LED package device.Type: ApplicationFiled: February 6, 2012Publication date: March 14, 2013Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: PI-CHIANG HU, MENG-HSIEN HONG, SHIH-YUAN HSU
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Publication number: 20130026520Abstract: An LED package includes a substrate, an LED chip arranged on the substrate, and a light transmission layer arranged on a light output path of the LED chip. The substrate includes a first electrode and a second electrode separated and electrically insulated from the first electrode. The LED chip is electrically connected to the first electrode and the second electrode of the substrate. The light transmission layer comprises two parallel transparent plates and a fluorescent layer sandwiched between the two transparent plates. The LED package further includes a transparent encapsulation layer sealing the LED chip therein, and in one embodiment, the light transmission layer is located on the encapsulation layer and in another embodiment, the encapsulation layer also seals the light transmission layer therein. A method for manufacturing the LED package is also provided.Type: ApplicationFiled: May 21, 2012Publication date: January 31, 2013Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: PI-CHIANG HU, SHIH-YUAN HSU
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Publication number: 20120326175Abstract: An LED package includes a substrate with two opposite lateral bulging portions, an LED die, an electrode structure, and a reflective layer. The substrate includes a first substrate and a second substrate stacked together; the first substrate and the second substrate are transparent; and the substrate includes an emitting surface for emitting light of the LED package. The electrode structure is sandwiched between the first substrate and the second substrate. The LED die is mounted in the substrate and electrically connected to the electrode structure. The reflective layer is formed on an outer surface of the substrate except the emitting surface and the bulging portions. The disclosure also provides a method for manufacturing such an LED package.Type: ApplicationFiled: February 10, 2012Publication date: December 27, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: PI-CHIANG HU, SHIH-YUAN HSU
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Publication number: 20120235193Abstract: An LED package comprises a substrate, a reflector, a light-absorbing layer, an encapsulation layer and an LED chip. The light-absorbing layer is located around the reflector and is able to absorb any light which penetrates through the reflector. Therefore, any vignetting or halation of light from the LED package is prevented. Moreover, the LED package can be constructed on a very small scale with no reduction in its color rendering properties.Type: ApplicationFiled: November 3, 2011Publication date: September 20, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: PI-CHIANG HU, SHIH-YUAN HSU, KAI-LUN WANG
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Publication number: 20120217046Abstract: A plurality of conductive areas is formed on a conductive substrate which includes a frame. Each of the conductive areas includes a lead frame and two electrodes. The frame includes a first side and an opposite second side. The lead frame includes first and second lead frame beams. The first and second lead frame beams extend from the first side toward the second side to connect with the two electrodes. The first and second electrodes extend respectively from the first and second lead frame beams. Each conductive area also includes a supporting portion interconnecting the electrodes and the frame to reinforce the connection between the frame and the conductive area so that the conductive area can sustain a pressure when an insulation shell is injection molded on the conductive area.Type: ApplicationFiled: February 6, 2012Publication date: August 30, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: PI-CHIANG HU, KAI-LUN WANG
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Publication number: 20120126264Abstract: An exemplary light emitting diode (LED) package includes a substrate having a first electrical portion and a second electrical portion formed thereon, two antioxidation layers formed on and electrically connected to the first electrical portion and the second electrical portion, respectively, and an LED chip disposed on the substrate and electrically connected to the two antioxidation layers.Type: ApplicationFiled: August 15, 2011Publication date: May 24, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: CHAO-HSIUNG CHANG, CHIEH-LING CHANG, PI-CHIANG HU
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Publication number: 20120077292Abstract: An exemplary method of manufacturing an LED package includes providing a base, the base having a reflecting cup with a receiving recess defined therein; an LED chip is then mounted on the base and secured in a bottom of the receiving recess; thereafter, a dispensing nozzle is used to apply an encapsulating material into the receiving recess to encapsulate the LED chip; finally, the encapsulating material is baked to form an encapsulating layer. The dispensing nozzle moves relative to the receiving recess during the application of the encapsulating material. A depth of the receiving recess is varied. Parameters of the application of the encapsulating material into the receiving recess by the dispensing nozzle vary in response to a change of the depth of the receiving recess.Type: ApplicationFiled: June 10, 2011Publication date: March 29, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: CHAO-HSIUNG CHANG, PI-CHIANG HU
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Publication number: 20120061692Abstract: A light emitting diode (LED) package includes a substrate, a first LED chip and a second LED chip. The substrate includes first to fourth electrodes, and an interconnection electrode. A mounting area is defined at center of a top surface of the substrate. The first to fourth electrodes are respectively in four corners of the substrate out of the mounting area. The first interconnection electrode is embedded in the substrate to electrically connect the first and the third electrodes. The first LED chip and the second LED chip are arranged in the mounting area. Each LED chip includes an anode pad and a cathode pad. The first to fourth electrodes are respectively connected to the four pads of the first and the second LED chips via a plurality of metal wires, and no metal wire connection is formed between the first and the second LED chips.Type: ApplicationFiled: April 8, 2011Publication date: March 15, 2012Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: CHAO-HSIUNG CHANG, PI-CHIANG HU