Patents by Inventor Wen-Liang Tseng
Wen-Liang Tseng 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: 9660144Abstract: The present disclosure provides a light emitting diode die which includes a substrate; an N type semiconductor layer, an active layer, and a P type semiconductor layer formed on the substrate in sequence; at least one recess, and a pair of electrodes. The recess extends to the N type semiconductor layer. The insulating layer covers the all of side surfaces of the N type semiconductor layer, the active layer, the P type semiconductor layer, and covers top of the P type semiconductor layer except an opening on the P semiconductor layer. One of the electrodes is filled in the recess and electrically connected to the N type semiconductor layer, and the other one of the electrodes is connected to the P type semiconductor layer in the opening. The present disclosure further provides an LED package having the LED die and a method for manufacturing the same.Type: GrantFiled: August 21, 2015Date of Patent: May 23, 2017Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Chao-Hsiung Chang, Hou-Te Lin, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng
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Patent number: 9620692Abstract: An exemplary lead frame includes a substrate and a bonding electrode, a first connecting electrode, and a second connecting electrode embedded in the substrate. A top surface of the bonding electrode includes a first bonding surface and a second bonding surface spaced from the first bonding surface. A top surface of the first connecting electrode includes a first connecting surface and a second connecting surface spaced from the first connecting surface. Top surfaces of the bonding electrode, the first connecting electrode and the second connecting electrode are exposed out of the substrate to support and electrically connect with light emitting chips. Light emitting chips can be mounted on the lead frame and electrically connect with each other in parallel or in series; thus, the light emitting chips can be connected with each in a versatile way.Type: GrantFiled: October 7, 2015Date of Patent: April 11, 2017Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Yau-Tzu Jang, Yu-Liang Huang, Wen-Liang Tseng, Pin-Chuan Chen, Lung-Hsin Chen, Hsing-Fen Lo, Chao-Hsiung Chang, Che-Hsang Huang, Yu-Lun Hsieh
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Patent number: 9543486Abstract: The present disclosure provides a light emitting diode package which includes a plurality of electrodes, an LED die, a reflecting cup, a reflecting layer, and a phosphor layer. The LED die are electrically connected with the electrodes. The reflecting cup is formed on the electrodes and surrounds the LED die. The reflecting cup includes an inner surface. The reflecting layer is formed between the inner surface and LED die, and the reflecting layer has a higher pyrogenation temperature than the reflecting cup. The phosphor layer covers the LED die.Type: GrantFiled: November 19, 2015Date of Patent: January 10, 2017Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Hou-Te Lin, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng
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Publication number: 20160356451Abstract: A light emitting device includes a light source and a lens. The lens includes a light emitting surface, a top surface, four edge surfaces, and a bottom surface. The light emitting surface includes a central recess and two convex regions connecting the central recess at opposite sides. The light emitting surface is symmetrical about the central recess. The lens further defines a receiving space in the bottom surface and four positioning pins on the bottom surface. The receiving space includes a light incident surface. The two convex regions of the light emitting surface and the light incident surface are non-spherical surfaces. A maximum distance, dn, between the light source and the light incident surface is larger than a maximum distance, Dm, between the light incident surface and the light emitting surface. The light emitting device provides a wide-angle light distribution.Type: ApplicationFiled: April 12, 2016Publication date: December 8, 2016Inventors: HSIN-CHIANG LIN, LUNG-HSIN CHEN, WEN-LIANG TSENG
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Patent number: 9465205Abstract: An optical lens includes a first optical surface located at a bottom thereof, a third optical surface located at a top thereof and arranged oppositely to the first optical surface, and a second optical surface extending between the first optical surface and the third optical surface. The third optical surface is recessed downwardly towards the first optical surface. The light from the LED light source enters into the optical lens through the first optical surface, most of the entering light is directly refracted out of the optical lens through the second optical surface, and a part of the entering light that strikes the third optical surface is first reflected by the third optical surface towards the second optical surface via total internal reflection and then refracted out of the optical lens through the second optical surface. A backlight module incorporating the optical lens is also provided.Type: GrantFiled: July 29, 2014Date of Patent: October 11, 2016Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Chao-Hsiung Chang, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng
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Patent number: 9431591Abstract: The present disclosure provides a light emitting diode package which includes a plurality of electrodes, an LED die, a reflecting cup, and a phosphor layer. The LED die are electrically connected with the electrodes. The LED die includes a top light emitting surface and a plurality of lateral sides extending downward from the top light emitting surface. The reflecting cup is formed on the electrodes and surrounds the LED die. The reflecting cup includes an inner surface. The inner surface contacts with bottom portion of the LED die. A cavity is defined between the inner surface and other portion except the bottom portion of the LED die. The phosphor layer covers and seals the LED die.Type: GrantFiled: August 13, 2015Date of Patent: August 30, 2016Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Hou-Te Lin, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng
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Publication number: 20160111400Abstract: A flip chip light emitting diode includes a plurality of light emitting diodes and an encapsulation covering the plurality of light emitting diodes. Each of light emitting diode has a P electrode and an N electrode which are exposed out of the encapsulation.Type: ApplicationFiled: August 21, 2015Publication date: April 21, 2016Inventors: HOU-TE LIN, CHAO-HSIUNG CHANG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG
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Publication number: 20160104817Abstract: The present disclosure provides a light emitting diode die which includes a substrate; an N type semiconductor layer, an active layer, and a P type semiconductor layer formed on the substrate in sequence; at least one recess, and a pair of electrodes. The recess extends to the N type semiconductor layer. The insulating layer covers the all of side surfaces of the N type semiconductor layer, the active layer, the P type semiconductor layer, and covers top of the P type semiconductor layer except an opening on the P semiconductor layer. One of the electrodes is filled in the recess and electrically connected to the N type semiconductor layer, and the other one of the electrodes is connected to the P type semiconductor layer in the opening. The present disclosure further provides an LED package having the LED die and a method for manufacturing the same.Type: ApplicationFiled: August 21, 2015Publication date: April 14, 2016Inventors: CHAO-HSIUNG CHANG, HOU-TE LIN, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG
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Publication number: 20160027983Abstract: An exemplary lead frame includes a substrate and a bonding electrode, a first connecting electrode, and a second connecting electrode embedded in the substrate. A top surface of the bonding electrode includes a first bonding surface and a second bonding surface spaced from the first bonding surface. A top surface of the first connecting electrode includes a first connecting surface and a second connecting surface spaced from the first connecting surface. Top surfaces of the bonding electrode, the first connecting electrode and the second connecting electrode are exposed out of the substrate to support and electrically connect with light emitting chips. Light emitting chips can be mounted on the lead frame and electrically connect with each other in parallel or in series; thus, the light emitting chips can be connected with each in a versatile way.Type: ApplicationFiled: October 7, 2015Publication date: January 28, 2016Inventors: YAU-TZU JANG, YU-LIANG HUANG, WEN-LIANG TSENG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, HSING-FEN LO, CHAO-HSIUNG CHANG, CHE-HSANG HUANG, YU-LUN HSIEH
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Patent number: 9184358Abstract: An exemplary lead frame includes a substrate and a bonding electrode, a first connecting electrode, and a second connecting electrode embedded in the substrate. A top surface of the bonding electrode includes a first bonding surface and a second bonding surface spaced from the first bonding surface. A top surface of the first connecting electrode includes a first connecting surface and a second connecting surface spaced from the first connecting surface. Top surfaces of the bonding electrode, the first connecting electrode and the second connecting electrode are exposed out of the substrate to support and electrically connect with light emitting chips. Light emitting chips can be mounted on the lead frame and electrically connect with each other in parallel or in series; thus, the light emitting chips can be connected with each in a versatile way.Type: GrantFiled: October 22, 2013Date of Patent: November 10, 2015Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Yau-Tzu Jang, Yu-Liang Huang, Wen-Liang Tseng, Pin-Chuan Chen, Lung-Hsin Chen, Hsing-Fen Lo, Chao-Hsiung Chang, Che-Hsang Huang, Yu-Lun Hsieh
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Publication number: 20150188005Abstract: A method for packaging an light emitting diode, includes: arranging one or more light emitting diode dies on a film; encapsulating the one or more light emitting diode dies on the film; removing the film from the one or more encapsulated light emitting diode dies to expose a surface of the one or more encapsulated light emitting diode dies; forming an isolating layer on the exposed surface encapsulation surface portion of the one or more encapsulated light emitting diode dies so as to define a plurality of recesses; and forming a plurality of leads in the plurality of recesses of the one or more encapsulated light emitting diode dies, with each one of the plurality of leads being connected to one of the un-encapsulated electrodes of the one or more light emitting diode dies.Type: ApplicationFiled: October 29, 2014Publication date: July 2, 2015Inventors: Chao-Hsiung CHANG, Pin-Chuan CHEN, Hou-Te LIN, Lung-Hsin CHEN, Wen-Liang TSENG
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Publication number: 20150162497Abstract: A light emitting diode package (LED) includes two electrodes spaced from each other, an insulating layer sandwiched between the two electrodes, an LED die arranged on the two electrodes and electrically connecting therewith, and an encapsulation layer covering the LED die and the coating layer. Each electrode includes a conductive sheet and a plurality of connecting pins connecting to the conductive sheet. A thickness of each of the connecting pins is smaller than that of the conductive sheet. A top surface of each of the connecting pins is lower than that of the conductive sheet. The LED package further includes a coating layer coating the connecting pin, part of the coating pin is sandwiched between the top surface of the connecting pin and the encapsulation layer.Type: ApplicationFiled: October 27, 2014Publication date: June 11, 2015Inventors: YAU-TZU JANG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG, YU-LIANG HUANG
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Publication number: 20150162498Abstract: A light emitting diode package (LED) includes two electrodes spaced from each other, an insulating layer sandwiched between the two electrodes, an LED die arranged on the two electrodes and electrically connecting therewith, and an encapsulation layer covering the LED die. Each electrode includes a conductive sheet and a plurality of connecting pins connecting to the conductive sheet. A thickness of the connecting pin is smaller than that of the conductive sheet. A top surface of the connecting pin is coplanar with that of the conductive sheet. The LED package further includes a coating layer coating the connecting pin, part of the coating pin is sandwiched between the top surface of the connecting pin and the encapsulation layer.Type: ApplicationFiled: October 27, 2014Publication date: June 11, 2015Inventors: YAU-TZU JANG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG, YU-LIANG HUANG
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Patent number: 9041022Abstract: An exemplary light-emitting diode (LED) package includes an electrically insulating substrate, an electrode structure embedded in the insulating substrate, and a plurality of LED chips electrically connecting with electrodes of the electrode structure respectively. The electrode structure includes a first electrode, a second electrode and a third electrode located between the first and second electrodes. Top surfaces of the first, second and third electrodes are exposed out of a top surface of the insulating substrate to support the LED chips. Front side and rear side faces of the first and second electrodes are exposed out of a front side face and a rear side face of the substrate whereby the front or rear side faces of the first and second electrodes can connect with welding pads of a printed circuit board. Circumferential side faces of the third electrode are encapsulated in the substrate.Type: GrantFiled: August 27, 2013Date of Patent: May 26, 2015Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.Inventors: Che-Hsang Huang, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng, Yu-Liang Huang
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Patent number: 9012248Abstract: A method for packaging an LED includes steps: providing a substrate with a circuit structure formed thereon, stacking the substrate on a supporting board, and arranging a plurality of LED dies on the substrate; providing a mold and a gelatinous-state fluorescent film, positioning the supporting board in the mold and covering the mold with the gelatinous-state fluorescent film to cooperatively define a receiving space among the fluorescent film, the mold and the supporting board, the substrate and the LED dies being received in the receiving space; exhausting air in the receiving space to attach the gelatinous-state fluorescent film on the LED dies; solidifying the gelatinous-state fluorescent film and removing the mold; forming an encapsulation on the substrate to cover the LED dies; cutting the substrate and removing the supporting board to obtain several individual LED packages.Type: GrantFiled: September 13, 2012Date of Patent: April 21, 2015Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Lung-Hsin Chen, Wen-Liang Tseng, Pin-Chuan Chen
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Patent number: 8979312Abstract: A light emitting diode (LED) bulb includes a connecting body, a mounting base located on the connecting body and a plurality of LED modules mounted on the mounting base. The mounting base has a top face spaced from the connecting body and at least three surrounding walls. The top face of the mounting base orients toward a direction different that of each of the at least three surrounding walls. A lamp cover is secured to the connecting body and encloses the LED modules. An extension of the top face of the mounting base interests with the lamp cover at a point. A tangent line of the lamp cover through the point and the extension of the top face form an included angle which is less than 60 degrees. Furthermore, a center of the lamp cover is located above the top face.Type: GrantFiled: August 30, 2013Date of Patent: March 17, 2015Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Lung-Hsin Chen, Wen-Liang Tseng
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Patent number: 8960955Abstract: An LED bulb includes a connecting member having an Edison male screw base and an LED module engaging with the connecting member. The LED module includes a circuit board, a first LED and a plurality of second LEDs mounted on the circuit board. The first LED is arranged on a center of the circuit board. The second LEDs are located surround the first LED. The LED bulb furthermore includes a plurality of lens. Each lens covers a corresponding second LED. Each lens includes a light-guiding portion which includes a light input surface and a light output surface. Light emitted from each of the second LEDs travels into the lens via the light input surface, and is refracted out to lateral directions of the LED bulb by the light output surface of the light-guiding portion to obtain a wider illumination range.Type: GrantFiled: July 30, 2013Date of Patent: February 24, 2015Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Chao-Hsiung Chang, Lung-Hsin Chen, Pin-Chuan Chen, Wen-Liang Tseng
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Patent number: 8956893Abstract: A method for manufacturing an LED (light emitting diode) with bat-wing emitting field lens is disclosed. Firstly, a substrate is provided. The substrate includes a plurality of depressions each corresponding to a pair of electrodes. A plurality of LED chips are fastened in the depressions and electrically connected to the pairs of electrodes. A plurality of unsolidified lenses are formed in the depressions to cover the LED chips. A pressing mold including a plurality of protrusions is provided. The pressing mold is moved towards the substrate to force the protrusions of the pressing mold to insert into the unsolidified lenses. The lenses are solidified and the pressing mold is removed and concavities are defined at the lenses. The substrate is cut to obtain a plurality of separated and finished LEDs.Type: GrantFiled: May 30, 2013Date of Patent: February 17, 2015Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Lung-Hsin Chen, Wen-Liang Tseng
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Publication number: 20150036321Abstract: An optical lens includes a first optical surface located at a bottom thereof, a third optical surface located at a top thereof and arranged oppositely to the first optical surface, and a second optical surface extending between the first optical surface and the third optical surface. The third optical surface is recessed downwardly towards the first optical surface. The light from the LED light source enters into the optical lens through the first optical surface, most of the entering light is directly refracted out of the optical lens through the second optical surface, and a part of the entering light that strikes the third optical surface is first reflected by the third optical surface towards the second optical surface via total internal reflection and then refracted out of the optical lens through the second optical surface. A backlight module incorporating the optical lens is also provided.Type: ApplicationFiled: July 29, 2014Publication date: February 5, 2015Inventors: CHAO-HSIUNG CHANG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG
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Publication number: 20150009680Abstract: An exemplary lens includes a bottom surface, a first light exit surface extending upwardly from an outer periphery of the bottom surface, a second light exit surface extending upwardly from a top of the first light exit surface, and a reflecting surface extending inwardly and downwardly from a top of the second light exit surface towards the bottom surface to have a funnel-shaped configuration. A receiving space is defined in the bottom surface to receive a light source therein. The receiving space is defined by a top surface and a side surface interconnecting the top surface and the bottom surface. A pyramid surface is in the middle of the top surface and recessed upwardly and inwardly away from the bottom surface.Type: ApplicationFiled: July 1, 2014Publication date: January 8, 2015Inventors: CHAO-HSIUNG CHANG, PIN-CHUAN CHEN, LUNG-HSIN CHEN, WEN-LIANG TSENG