Patents by Inventor Chang-Hsin Chu
Chang-Hsin Chu 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: 10462880Abstract: An intelligent lamp group includes a central lamp and at least one peripheral lamp. The central lamp includes a first lamp housing, a first light emitter, a first lampshade, a video camera module, an external memory and a system-on-chip. The first light emitter is disposed on the first lamp housing. The first lampshade covers the first light emitter. The video camera module is fixed in the first lampshade. The system-on-chip of the central lamp having a combo wireless communication module is configured to build a local wireless network to connect all the peripheral lamps, hence the user can only focus on the central lamp to achieve the remote control for the central lamp and all the peripheral lamps. In addition, through the combo wireless communication module, the central lamp can build an internet connection with the user's mobile device for the light remote control and the security monitoring.Type: GrantFiled: April 10, 2017Date of Patent: October 29, 2019Assignee: Beautiful Light Technology Corp.Inventors: Shih-Ting Chiu, Chien-Wen Chiu, Chang-Hsin Chu
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Patent number: 10177277Abstract: In a flip chip type light-emitting diode, a light-emitting diode structure possesses one unique layer with properties of both thermal conduction and electrical isolation disposed on its second contact metal layer. A first dielectric layer covers the light-emitting diode structure. A first-level metal interconnect is divided into three blocks, which are disposed on the first dielectric layer and are respectively connected to a first contact metal layer, the second contact metal layer, and the insulated heat-transfer layer. A first bonding pad structure, a second bonding pad structure, and a heat-dissipating pad structure, forming a second-level interconnect metal layer, are disposed on a second dielectric layer and respectively connected to the blocks of the first-level metal interconnect.Type: GrantFiled: January 14, 2018Date of Patent: January 8, 2019Assignees: DUO POWER LIGHTING TECHNOLOGYInventor: Chang-Hsin Chu
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Publication number: 20180212104Abstract: In a flip chip type light-emitting diode, a light-emitting diode structure possesses one unique layer with properties of both thermal conduction and electrical isolation disposed on its second contact metal layer. A first dielectric layer covers the light-emitting diode structure. A first-level metal interconnect is divided into three blocks, which are disposed on the first dielectric layer and are respectively connected to a first contact metal layer, the second contact metal layer, and the insulated heat-transfer layer. A first bonding pad structure, a second bonding pad structure, and a heat-dissipating pad structure, forming a second-level interconnect metal layer, are disposed on a second dielectric layer and respectively connected to the blocks of the first-level metal interconnect.Type: ApplicationFiled: January 14, 2018Publication date: July 26, 2018Inventor: Chang-Hsin CHU
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Publication number: 20170295629Abstract: An intelligent lamp group includes a central lamp and at least one peripheral lamp. The central lamp includes a first lamp housing, a first light emitter, a first lampshade, a video camera module, an external memory and a system-on-chip. The first light emitter is disposed on the first lamp housing. The first lampshade covers the first light emitter. The video camera module is fixed in the first lampshade. The system-on-chip of the central lamp having a combo wireless communication module is configured to build a local wireless network to connect all the peripheral lamps, hence the user can only focus on the central lamp to achieve the remote control for the central lamp and all the peripheral lamps. In addition, through the combo wireless communication module, the central lamp can build an internet connection with the user's mobile device for the light remote control and the security monitoring.Type: ApplicationFiled: April 10, 2017Publication date: October 12, 2017Inventors: Shih-Ting CHIU, Chien-Wen CHIU, Chang-Hsin CHU
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Publication number: 20140034976Abstract: A light-emitting diode (LED) structure and a method for manufacturing the same. The LED structure includes an insulation substrate, a plurality of LED chips and a plurality of interconnection layers. Each LED chip includes an epitaxial layer and a dielectric layer stacked on a surface of the insulation substrate in sequence. Each LED chip is formed with a first conductivity type contact hole and a second conductivity type contact hole penetrating the dielectric layer, and a first isolation trench disposed in the epitaxial layer and between the second conductivity type contact hole of the LED chip and the first conductivity type contact hole of the neighboring LED chip. Each interconnection layer extends from the second conductivity type contact hole of each LED chip to the first conductivity type contact hole of the neighboring LED chip by passing over the first isolation trench to electrically connect the LED chips.Type: ApplicationFiled: December 11, 2012Publication date: February 6, 2014Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Chang-Hsin Chu, Hsueh Lin Lee, Chih Kuei Hsu, Yuan Tze Chen, Hao-Ching Wu
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Publication number: 20130299863Abstract: An LED structure include a substrate, a light-emitting structure disposed on the substrate, at least one surface plasmon (SP) structure, and a first and a second electrodes. The light-emitting structure has a first electrical type semiconductor layer, an active layer, a second electrical type semiconductor layer, and a first conductive layer sequentially stacked. The active layer is located at a first portion of the first electrical type semiconductor layer and exposed from a second portion of the first electrical type semiconductor layer. The first and the second electrical type semiconductor layer have different electrical types. The SP structure is concavely disposed in the first conductive layer and the second electrical type semiconductor layer. The first and the second electrodes are disposed on the second portion of the first electrical type semiconductor layer and the first conductive layer, respectively. A method for manufacturing the above LED structure.Type: ApplicationFiled: May 6, 2013Publication date: November 14, 2013Applicant: Chi Mei Lighting Technology Corp.Inventors: Chang Hsin Chu, Kuo Hui Yu, Wen Hung Chuang
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Publication number: 20130292719Abstract: A light-emitting diode (LED) structure includes an insulation substrate; LED chips each includes an epitaxial layer having a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer stacked on the insulation substrate, and comprises a mesa structure and an exposed portion of the first conductivity type semiconductor layer adjacent to each other, and a first isolation trench within the mesa structure; interconnection layers connect the LED chips; electrode pads respectively connected to exposed portions of the semiconductor layers; a reflective insulating layer covering the interconnection layers, the mesa structures and the electrode pads, and having penetration holes respectively exposing a portion of the electrode pads; and bonding pads located on a portion of the reflective insulating layer and connected to the electrode pads through the penetrating holes. A method of manufacturing the LED structure.Type: ApplicationFiled: May 3, 2013Publication date: November 7, 2013Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Hsueh Lin Lee, Chang Hsin Chu, Yuan Tze Chen, Chih Kuei Hsu
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Publication number: 20130292718Abstract: A light-emitting diode (LED) structure and a method for manufacturing the same. The LED structure comprises an insulating substrate, a plurality of LED chips and a plurality of interconnection layers. Each LED chip comprises a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer stacked in sequence on a surface of the insulating substrate. Each LED chip includes a mesa structure, an exposed portion of the first conductivity type semiconductor layer adjacent to the mesa structure, and a first isolation trench. The first isolation trench is disposed in the mesa structure. The interconnection layers respectively connect neighboring two of the LED chips.Type: ApplicationFiled: August 13, 2012Publication date: November 7, 2013Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Chang Hsin Chu, Hsueh Lin Lee, Chih Kuei Hsu, Yuan Tze Chen
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Patent number: 8507938Abstract: A light-emitting diode (LED) structure and a method for manufacturing the same are described. The light-emitting diode structure includes a p-type electrode, a bonding substrate, a p-type semiconductor layer, an active layer, an n-type semiconductor layer, an epitaxial growth substrate and an n-type electrode. The bonding substrate is disposed on the p-type electrode. The p-type semiconductor layer is disposed on the bonding substrate. The active layer is disposed on the p-type semiconductor layer. The n-type semiconductor layer is disposed on the active layer. The epitaxial growth substrate is disposed on the n-type semiconductor layer, wherein the epitaxial growth substrate includes an opening penetrating the epitaxial growth substrate. The n-type electrode is disposed in the opening and is electrically connected to the n-type semiconductor layer.Type: GrantFiled: April 2, 2010Date of Patent: August 13, 2013Assignee: Chi Mei Lighting Technology Corp.Inventors: Kuo-Hui Yu, Tsung-Hung Lu, Chang-Hsin Chu
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Patent number: 8466478Abstract: In one aspect of the invention, a light emitting device includes an epi layer having multiple layers of semiconductors formed on a substrate, a first electrode and a second electrode having opposite polarities with each other, and electrically coupled to corresponding semiconductor layers, respectively, of the epi layer, and a rod structure formed on the epi layer. The rod structure includes a plurality of rods distanced from each other.Type: GrantFiled: September 7, 2010Date of Patent: June 18, 2013Assignee: Chi Mei Lighting Technology CorporationInventors: Meng Hsin Li, Kuo Hui Yu, Tsung-Hung Lu, Ming-Ji Tsai, Chang Hsin Chu
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Patent number: 8445928Abstract: A light-emitting diode (LED) light source module is described, comprising: a heat conduction substrate, wherein a surface of the heat conduction substrate includes a plurality of recesses; a plurality of light-emitting diode chips respectively disposed in the recesses; an insulation layer disposed on the surface of the heat conduction substrate outside of the recesses; an electric conduction layer disposed on the insulation layer, wherein the light-emitting diode chips are electrically connected to the electric conduction layer; and an encapsulation layer covering the light-emitting diode chips, the electric conduction layer and the insulation layer.Type: GrantFiled: September 28, 2009Date of Patent: May 21, 2013Assignee: CHI MEI Lighting Technology Corp.Inventors: Shi-Ming Cheng, Wen-Liang Li, Chang-Hsin Chu, Hsing-Mao Wang
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Publication number: 20130049060Abstract: A light-emitting diode structure. In one embodiment, the light-emitting diode structure includes an insulation substrate, a light-emitting structure having a first electrical semiconductor layer, a light-emitting layer, and a second electrical semiconductor layer successively stacked on the insulating substrate and containing a first electrode pad region, a second electrode pad region, and a light-emitting region, a first and second electrical electrode pad respectively disposed on the first and second electrode pad region, a second electrical conducting finger disposed on the light-emitting structure and connected to the second electrical electrode pad and the second electrical semiconductor layer, and a first insulating layer for insulating the second electrical conducting finger from the first electrical semiconductor layer and the light-emitting layer. A bottom surface of the second electrical electrode pad is located below an upper surface of the second electrical semiconductor layer.Type: ApplicationFiled: February 16, 2012Publication date: February 28, 2013Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Kuo-Hui Yu, Chang-Hsin Chu
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Publication number: 20120305959Abstract: A light-emitting diode (LED) device, includes a substrate, having a first and a second surfaces, a first bonding layer, disposed on the first surface, a first epitaxial structure, having a third and a fourth surfaces and comprising a first and a second groove, wherein the first epitaxial structure comprises a second electrical type semiconductor layer, an active layer and a first electrical type semiconductor layer sequentially stacked on the first bonding layer, and the first groove extends from the fourth surface to the first electrical type semiconductor layer via the active layer, the second groove extends from the fourth surface to the third surface, a first electrical type conductive branch, a first electrical type electrode layer, an insulating layer, filled in the first and the second grooves, and a second electrical type electrode layer, electrically connected to the second electrical type semiconductor layer.Type: ApplicationFiled: September 23, 2011Publication date: December 6, 2012Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Kuo-Hui Yu, Chang-Hsin Chu, Chi-Lung Wu, Shin-Jia Chiou, Chung-Hsin Lin, Jui-Chun Chang
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Publication number: 20120085988Abstract: A light-emitting diode (LED) device includes a substrate, an epitaxial layer, a first electrode and a second electrode. The epitaxial layer is disposed on the substrate. The first electrode is disposed to the epitaxial layer and the second electrode is disposed on the epitaxial layer, and a first conductive finger of the second electrode and a first conductive finger of the first electrode are overlapped. Because the first conductive finger of the second electrode and the first conductive finger of the first electrode are overlapped, the light-emitting area of the LED device can be increased and the light shielded by the electrodes can be decreased significantly. Besides, overlapped electrodes can form a capacitor which can store electric charges to enhance the antistatic ability of the LED device.Type: ApplicationFiled: March 1, 2011Publication date: April 12, 2012Inventors: Kuo-Hui Yu, Jing-Hong Li, Chang-Hsin Chu
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Publication number: 20120086029Abstract: A light-emitting diode (LED) device includes a substrate and an epitaxial layer which is disposed on a surface of the substrate. A depression is disposed to a sidewall of the LED device, and a reflective layer is disposed to on least one portion of the depression. By the reflective layer disposed to the depression of the sidewall of the LED device, the light loss caused by the interface of the substrate and the epitaxial layer can be reduced, the light absorbed by the substrate can be decreased, and the angle of the light exiting from the LED device can be adjusted. A manufacturing method of the LED device is also disclosed.Type: ApplicationFiled: March 1, 2011Publication date: April 12, 2012Inventors: Kuo-Hui YU, Chang-Hsin Chu
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Publication number: 20120056152Abstract: In one aspect of the invention, a light emitting device includes an epi layer having multiple layers of semiconductors formed on a substrate, a first electrode and a second electrode having opposite polarities with each other, and electrically coupled to corresponding semiconductor layers, respectively, of the epi layer, and a rod structure formed on the epi layer. The rod structure includes a plurality of rods distanced from each other.Type: ApplicationFiled: September 7, 2010Publication date: March 8, 2012Applicant: CHI MEI LIGHTING TECHNOLOGY CORPORATIONInventors: Meng Hsin Li, Kuo Hui Yu, Tsung-Hung Lu, Ming-Ji Tsai, Chang Hsin Chu
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Publication number: 20120037946Abstract: In one aspect of the invention, a light emitting device includes a substrate, and a multilayered structure having an n-type semiconductor layer formed in a light emitting region and a non-emission region on the substrate, an active layer formed in the light emitting region on the n-type semiconductor layer, and a p-type semiconductor layer formed in the light emitting region on the active layer. The light emitting device also includes a p-electrode formed in the light emitting region and electrically coupled to the p-type semiconductor layer, and an n-electrode formed in the non-emission region and electrically coupled to the n-type semiconductor layer.Type: ApplicationFiled: August 12, 2010Publication date: February 16, 2012Applicant: CHI MEI LIGHTING TECHNOLOGY CORPORATIONInventors: Kuo Hui Yu, Chien-Chun Wang, Chang Hsin Chu
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Patent number: 7939834Abstract: A light-emitting device includes a substrate having an epitaxial-forming surface and a back surface opposite to the epitaxial-forming surface, the substrate being formed with a recess indented from the back surface, the back surface having a recessed portion that defines the recess, and a planar portion extending outwardly from the recessed portion; an epitaxy layer; a continuous heat-dissipating layer formed on the planar portion and the recessed portion of the back surface of the substrate; and first and second electrodes coupled electrically to the epitaxy layer.Type: GrantFiled: May 23, 2008Date of Patent: May 10, 2011Assignee: Chi Mei Lighting Technology CorporationInventors: Shi-Ming Chen, Chang-Hsin Chu
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Publication number: 20110073894Abstract: In one aspect of the invention, an LED includes a substrate, an n-type semiconductor layer, a light emitting layer, a p-type semiconductor layer and a transparent conductive layer sequentially stacked on the substrate, and p-type and n-type electrodes. The p-type semiconductor layer has a rough surface region and at least one flat surface region. The transparent conductive layer has a rough surface region and a flat surface region corresponding to the rough surface region and the at least one flat surface region of the p-type semiconductor layer, respectively. The p-type electrode is disposed on the flat surface region of the transparent conductive layer. The n-type electrode is electrically couple to the n-type semiconductor layer.Type: ApplicationFiled: November 29, 2010Publication date: March 31, 2011Applicant: Chi Mei Lighting Technology CorporationInventors: Chang Hsin Chu, Chi Meng Lu, Yu Ju Chang, Kuo Hui Yu
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Publication number: 20110006326Abstract: A light-emitting diode (LED) structure and a method for manufacturing the same are described. The light-emitting diode structure includes a p-type electrode, a bonding substrate, a p-type semiconductor layer, an active layer, an n-type semiconductor layer, an epitaxial growth substrate and an n-type electrode. The bonding substrate is disposed on the p-type electrode. The p-type semiconductor layer is disposed on the bonding substrate. The active layer is disposed on the p-type semiconductor layer. The n-type semiconductor layer is disposed on the active layer. The epitaxial growth substrate is disposed on the n-type semiconductor layer, wherein the epitaxial growth substrate includes an opening penetrating the epitaxial growth substrate. The n-type electrode is disposed in the opening and is electrically connected to the n-type semiconductor layer.Type: ApplicationFiled: April 2, 2010Publication date: January 13, 2011Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Kuo-Hui YU, Tsung-Hung LU, Chang-Hsin CHU