Patents by Inventor Chien-Fu Huang
Chien-Fu Huang 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: 11088298Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.Type: GrantFiled: May 26, 2020Date of Patent: August 10, 2021Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Huang, Chih-Chiang Lu, Chun-Yu Lin, Hsin-Chih Chiu
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Publication number: 20210183942Abstract: A light-emitting device, includes a substrate with a top surface; a first light-emitting structure unit and a second light-emitting structure unit separately formed on the top surface and adjacent to each other, and wherein the first light-emitting structure unit includes a first sidewall and a second sidewall; a trench between the first and the second light-emitting structure units; and an electrical connection arranged on the first sidewall and the second light-emitting structure unit, and electrically connecting the first light-emitting structure unit and the second light-emitting structure unit; wherein the first sidewall connects to the top surface; wherein the first sidewall faces the second light-emitting structure units, and the second sidewall is not between the first light-emitting structure unit and the second light-emitting structure unit; and wherein the second sidewall is steeper than the first sidewall.Type: ApplicationFiled: February 8, 2021Publication date: June 17, 2021Inventors: Chien-Fu SHEN, Chao-Hsing CHEN, Tsun-Kai KO, Schang-Jing HON, Sheng-Jie HSU, De-Shan KUO, Hsin-Ying WANG, Chiu-Lin YAO, Chien-Fu HUANG, Hsin-Mao LIU, Chien-Kai CHUNG
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Patent number: 10985301Abstract: A light-emitting device includes a supportive substrate and a first light-emitting element on the supportive substrate. The first light-emitting element includes a first light-emitting stacked layer having a first surface and a second surface opposite to the first surface, and a first transparent layer on the first surface and electrically connected to the first light-emitting stacked layer. A second light-emitting element locates on the supportive substrate and a metal layer electrically connects to the first light-emitting element and the second light-emitting element and physically connects to the first transparent layer. The first light-emitting stacked layer includes a first width and the first transparent layer includes a second width different from the first width from a cross section view of the light-emitting device.Type: GrantFiled: June 6, 2018Date of Patent: April 20, 2021Assignee: EPISTAR CORPORATIONInventors: Shih-I Chen, Chia-Liang Hsu, Tzu-Chieh Hsu, Han-Min Wu, Ye-Ming Hsu, Chien-Fu Huang, Chao-Hsing Chen, Chiu-Lin Yao, Hsin-Mao Liu, Chien-Kai Chung
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Patent number: 10950652Abstract: Disclosed herein is a light-emitting device.Type: GrantFiled: July 17, 2018Date of Patent: March 16, 2021Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Shen, Chao-Hsing Chen, Tsun-Kai Ko, Schang-Jing Hon, Sheng-Jie Hsu, De-Shan Kuo, Hsin-Ying Wang, Chiu-Lin Yao, Chien-Fu Huang, Hsin-Mao Liu, Chien-Kai Chung
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Publication number: 20200287075Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.Type: ApplicationFiled: May 26, 2020Publication date: September 10, 2020Inventors: Chien-Fu HUANG, Chih-Chiang LU, Chun-Yu LIN, Hsin-Chih CHIU
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Patent number: 10756960Abstract: A light-emitting device comprises a first light-emitting semiconductor stack comprising a first active layer; a second light-emitting semiconductor stack below the first light-emitting semiconductor stack, wherein the second light-emitting semiconductor stack comprises a second active layer; a reflector between the first light-emitting semiconductor stack and the second light-emitting semiconductor stack; a protecting layer between the reflector and the second light-emitting semiconductor stack; and wherein the first light-emitting semiconductor stack further comprises a first semiconductor layer and a second semiconductor layer sandwiching the first active layer, the second light-emitting semiconductor stack further comprises a third semiconductor layer and a fourth semiconductor layer sandwiching the second active layer, wherein the second semiconductor layer has a first band gap, the third semiconductor layer has a second band gap, and the protecting layer has a third band gap between the first band gap anType: GrantFiled: January 25, 2019Date of Patent: August 25, 2020Assignee: EPISTAR CORPORATIONInventors: Chih-Chiang Lu, Yi-Chieh Lin, Wen-Luh Liao, Shou-Lung Chen, Chien-Fu Huang
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Patent number: 10693039Abstract: A light-emitting device comprises a light-emitting stack; a reflective structure comprising a reflective layer on the light-emitting stack and a first insulating layer covering the reflective layer; and a first conductive layer on the reflective structure; wherein the first insulating layer isolates the reflective layer from the first conductive layer.Type: GrantFiled: May 23, 2017Date of Patent: June 23, 2020Assignee: Epistar CorporationInventors: Wen-Luh Liao, Shao-Ping Lu, Hung-Ta Cheng, Shih-I Chen, Chia-Liang Hsu, Shou-Chin Wei, Ching-Pei Lin, Yu-Ren Peng, Chien-Fu Huang, Wei-Yu Chen, Chun-Hsien Chang
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Patent number: 10680133Abstract: The present disclosure provides a light-emitting device comprises a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first light-emitting layer separated from the topmost surface by a first distance; a second semiconductor stack arranged on the substrate, and comprising a second light-emitting layer separated from the topmost surface by a second distance; and a third semiconductor stack arranged on the substrate, and comprising third light-emitting layer separated from the topmost surface by a third distance; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights; and wherein the second distance is different form the first distance and the third distance.Type: GrantFiled: June 10, 2019Date of Patent: June 9, 2020Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Huang, Chih-Chiang Lu, Chun-Yu Lin, Hsin-Chih Chiu
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Patent number: 10553747Abstract: A semiconductor device comprises a substrate, a first semiconductor unit on the substrate, and an first adhesion structure between the substrate and the first semiconductor unit, and directly contacting the first semiconductor unit and the substrate, wherein the first adhesion structure comprises an adhesion layer and a sacrificial layer, and the adhesion layer and the sacrificial layer are made of different materials, and wherein an adhesion between the first semiconductor unit and the adhesion layer is different from that between the first semiconductor unit and the sacrificial layer.Type: GrantFiled: October 17, 2016Date of Patent: February 4, 2020Assignee: Epistar CorporationInventors: Chih-Chiang Lu, Yi-Ming Chen, Chun-Yu Lin, Ching-Pei Lin, Chung-Hsun Chien, Chien-Fu Huang, Hao-Min Ku, Min-Hsun Hsieh, Tzu-Chieh Hsu
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Publication number: 20190296186Abstract: The present disclosure provides a light-emitting device comprises a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first light-emitting layer separated from the topmost surface by a first distance; a second semiconductor stack arranged on the substrate, and comprising a second light-emitting layer separated from the topmost surface by a second distance; and a third semiconductor stack arranged on the substrate, and comprising third light-emitting layer separated from the topmost surface by a third distance; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights; and wherein the second distance is different form the first distance and the third distance.Type: ApplicationFiled: June 10, 2019Publication date: September 26, 2019Inventors: Chien-Fu HUANG, Chih-Chiang LU, Chun-Yu LIN, Hsin-Chih CHIU
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Patent number: 10319877Abstract: The present disclosure provides a light-emitting device including a substrate, a first block of semiconductor stack on the substrate, a second block of semiconductor stack on the substrate and a third block of semiconductor stack on the substrate. The first block of semiconductor stack includes a first emitting wavelength and a first surface away from the substrate. The second block of semiconductor stack on the substrate includes a second emitting wavelength and a second surface away from the substrate. The third block of semiconductor stack includes s a third emitting wavelength and a third surface away from the substrate. The second surface and the first surface are non-coplanar and the third surface and the first surface are coplanar. The first emitting wavelength, the second emitting wavelength and the third emitting wavelength are different.Type: GrantFiled: April 3, 2018Date of Patent: June 11, 2019Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Huang, Chih-Chiang Lu, Chun-Yu Lin, Hsin-Chih Chiu
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Publication number: 20190158352Abstract: A light-emitting device comprises a first light-emitting semiconductor stack comprising a first active layer; a second light-emitting semiconductor stack below the first light-emitting semiconductor stack, wherein the second light-emitting semiconductor stack comprises a second active layer; a reflector between the first light-emitting semiconductor stack and the second light-emitting semiconductor stack; a protecting layer between the reflector and the second light-emitting semiconductor stack; and wherein the first light-emitting semiconductor stack further comprises a first semiconductor layer and a second semiconductor layer sandwiching the first active layer, the second light-emitting semiconductor stack further comprises a third semiconductor layer and a fourth semiconductor layer sandwiching the second active layer, wherein the second semiconductor layer has a first band gap, the third semiconductor layer has a second band gap, and the protecting layer has a third band gap between the first band gap anType: ApplicationFiled: January 25, 2019Publication date: May 23, 2019Inventors: Chih-Chiang LU, Yi-Chieh LIN, Wen-Luh LIAO, Shou-Lung CHEN, Chien-Fu HUANG
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Patent number: 10236411Abstract: A light-emitting device comprises a first light-emitting semiconductor stack comprising a first active layer; a second light-emitting semiconductor stack below the first light-emitting semiconductor stack, wherein the second light-emitting semiconductor stack comprises a second active layer; a reflector between the first light-emitting semiconductor stack and the second light-emitting semiconductor stack; a protecting layer between the reflector and the second light-emitting semiconductor stack; and wherein the first light-emitting semiconductor stack further comprises a first semiconductor layer and a second semiconductor layer sandwiching the first active layer, the second light-emitting semiconductor stack further comprises a third semiconductor layer and a fourth semiconductor layer sandwiching the second active layer, wherein the second semiconductor layer has a first band gap, the third semiconductor layer has a second band gap, and the protecting layer has a third band gap between the first band gap anType: GrantFiled: October 26, 2016Date of Patent: March 19, 2019Assignee: EPISTAR CORPORATIONInventors: Chih-Chiang Lu, Yi-Chieh Lin, Wen-Luh Liao, Shou-Lung Chen, Chien-Fu Huang
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Publication number: 20190035846Abstract: Disclosed herein is a light-emitting device.Type: ApplicationFiled: July 17, 2018Publication date: January 31, 2019Inventors: Chien-Fu SHEN, Chao-Hsing CHEN, Tsun-Kai KO, Schang-Jing HON, Sheng-Jie HSU, De-Shan KUO, Hsin-Ying WANG, Chiu-Lin YAO, Chien-Fu HUANG, Hsin-Mao LIU, Chien-Kai CHUNG
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Patent number: 10158225Abstract: An ESD protection system for an internal circuit is disclosed. The ESD protection system comprises an ESD clamping device connected between a pad and a ground of a first domain); a pre-driver having an output coupled to a gate of the ESD clamping device); an ESD control circuit connected between the pre-driver and the internal circuit; and a transient detection unit coupled to the ESD control circuit, configured to detect an ESD transient from the pad of the first domain. The transient detection unit outputs an first signal to the control circuit upon detection of an ESD transient. In response, the control circuit causes the pre-driver to output a high-impedance state at the gate of the ESD clamping device, thereby floating the gate thereof.Type: GrantFiled: December 15, 2016Date of Patent: December 18, 2018Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Jen-Chou Tseng, Chien-Fu Huang
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Patent number: 10131620Abstract: The present disclosure relates to a recycling method for producing dimethyl carbonate and dimethyl carbonate derivatives. The process is unique in that it produces a by-product that can be re-used in the process as a raw material for repeating the process. For example, when the process is directed to synthesizing dimethyl carbonate, glycerol is used as a starting material. Glycerol is also a by-product produced during formation of dimethyl carbonate, and therefore it can be re-used as starting material to generate more dimethyl carbonate.Type: GrantFiled: October 4, 2016Date of Patent: November 20, 2018Assignee: CHANG CHUN PLASTICS CO., LTD.Inventors: Chien Fu Huang, Yi Ta Tsai
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Publication number: 20180287031Abstract: A light-emitting device includes a supportive substrate and a first light-emitting element on the supportive substrate. The first light-emitting element includes a first light-emitting stacked layer having a first surface and a second surface opposite to the first surface, and a first transparent layer on the first surface and electrically connected to the first light-emitting stacked layer. A second light-emitting element locates on the supportive substrate and a metal layer electrically connects to the first light-emitting element and the second light-emitting element and physically connects to the first transparent layer. The first light-emitting stacked layer includes a first width and the first transparent layer includes a second width different from the first width from a cross section view of the light-emitting device.Type: ApplicationFiled: June 6, 2018Publication date: October 4, 2018Inventors: Shih-I CHEN, Chia-Liang HSU, Tzu-Chieh HSU, Han-Min WU, Ye-Ming HSU, Chien-Fu HUANG, Chao-Hsing CHEN, Chiu-Lin YAO, Hsin-Mao LIU, Chien-Kai CHUNG
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Patent number: 10062730Abstract: Disclosed herein is a light-emitting device. The light-emitting device includes a substrate; a first light-emitting unit and a second light-emitting unit, separately formed on the substrate; a trench between the first and the second light-emitting units, including a bottom portion exposing the substrate; an insulating layer, comprising a first part formed on the first light-emitting unit or the second light-emitting unit, and a second part conformably formed on the trench covering the bottom portion and sidewalls of the first light-emitting unit and the second light-emitting unit; and an electrical connection, electrically connecting the first light-emitting unit and the second light-emitting unit, comprising a bridging portion formed on the second part of the insulating layer, and only covering a portion of the trench; and a joining portion, extending from the bridging portion and formed on the first part of the insulating layer; wherein the bridging portion is wider than the joining portion in a top view.Type: GrantFiled: June 29, 2016Date of Patent: August 28, 2018Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Shen, Chao-Hsing Chen, Tsun-Kai Ko, Schang-Jing Hon, Sheng-Jie Hsu, De-Shan Kuo, Hsin-Ying Wang, Chiu-Lin Yao, Chien-Fu Huang, Hsin-Mao Liu, Chien-Kai Chung
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Publication number: 20180226537Abstract: The present disclosure provides a light-emitting device including a substrate, a first block of semiconductor stack on the substrate, a second block of semiconductor stack on the substrate and a third block of semiconductor stack on the substrate. The first block of semiconductor stack includes a first emitting wavelength and a first surface away from the substrate. The second block of semiconductor stack on the substrate includes a second emitting wavelength and a second surface away from the substrate. The third block of semiconductor stack includes s a third emitting wavelength and a third surface away from the substrate. The second surface and the first surface are non-coplanar and the third surface and the first surface are coplanar. The first emitting wavelength, the second emitting wavelength and the third emitting wavelength are different.Type: ApplicationFiled: April 3, 2018Publication date: August 9, 2018Inventors: Chien-Fu Huang, Chih-Chiang Lu, Chun-Yu Lin, Hsin-Chih Chiu
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Patent number: 10038128Abstract: The present disclosure provides a method of manufacturing a light-emitting device, which comprises providing a first substrate and a plurality of semiconductor stacked blocks comprising a first semiconductor stacked block and a second semiconductor stacked block on the first substrate, and each of the plurality semiconductor stacked blocks comprises a first conductive-type semiconductor layer, a light-emitting layer on the first conductive-type semiconductor layer, and a second conductive-type semiconductor layer on the light-emitting layer; conducting a separating step to separate the first semiconductor stacked block from the first substrate, and the second semiconductor stacked block remains on the first substrate; providing an element substrate comprising a patterned metal layer; and conducting a bonding step to bond and align the first semiconductor stacked block or the second semiconductor stacked block with the patterned metal layer.Type: GrantFiled: September 12, 2017Date of Patent: July 31, 2018Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Huang, Yao-Ning Chan, Tzu Chieh Hsu, Yi-ming Chen, Hsin-Chih Chiu, Chih-Chiang Lu, Chia-liang Hsu, Chun-Hsien Chang