Patents by Inventor Zhiwei Peng
Zhiwei Peng 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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Publication number: 20250081677Abstract: Disclosed are a flip-chip light-emitting element and a light-emitting device. The flip-chip light-emitting element includes an epitaxial layer, a contact electrode, an insulating layer and a pad electrode. The epitaxial layer includes a first semiconductor layer, an active layer and a second semiconductor layer, and a contact electrode is formed on the surface of the epitaxial layer. An insulating layer is formed on the epitaxial layer, and covers the surface, the edge area and the sidewall of the epitaxial layer. A pad electrode is formed on the insulating layer and connected to the contact electrode, and the pad electrode at least covers part of the sidewall of the epitaxial layer. When the flip-chip light-emitting element of the present disclosure is solidified through solder paste, it is possible to prevent Sn and Ag from migrating and ascending into the active layer, thereby improving the reliability of the flip-chip light-emitting element.Type: ApplicationFiled: July 17, 2024Publication date: March 6, 2025Applicant: Tianjin Sanan Optoelectronics Co., Ltd.Inventors: Zhiwei WU, Yanyun WANG, Weiping XIONG, Huanshao KUO, Yuren PENG
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Patent number: 12220539Abstract: Systems and methods for altering the geometry of a fluid channel to prevent upstream mobility of bacteria, using angled obstacles on the interior of the channel that among other things creates vortices that restrict the mobility. An optimized geometry can be realized by an artificial intelligence algorithm or similar methods based on performance of various configurations of obstacle parameters.Type: GrantFiled: September 25, 2024Date of Patent: February 11, 2025Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Tingtao Zhou, Xuan Wan, Paul W. Sternberg, Chiara Daraio, Zhengyu Huang, Zongyi Li, Zhiwei Peng, John F. Brady, Animashree Anandkumar
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Publication number: 20250018148Abstract: Systems and methods for altering the geometry of a fluid channel to prevent upstream mobility of bacteria, using angled obstacles on the interior of the channel that among other things creates vortices that restrict the mobility. An optimized geometry can be realized by an artificial intelligence algorithm or similar methods based on performance of various configurations of obstacle parameters.Type: ApplicationFiled: September 25, 2024Publication date: January 16, 2025Inventors: Tingtao ZHOU, Xuan WAN, Paul W. STERNBERG, Chiara DARAIO, Zhengyu HUANG, Zongyi LI, Zhiwei PENG, John F. BRADY, Animashree ANANDKUMAR
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Patent number: 12128189Abstract: Systems and methods for altering the geometry of a fluid channel to prevent upstream mobility of bacteria, using angled obstacles on the interior of the channel that among other things creates vortices that restrict the mobility. An optimized geometry can be realized by an artificial intelligence algorithm or similar methods based on performance of various configurations of obstacle parameters.Type: GrantFiled: March 13, 2024Date of Patent: October 29, 2024Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Tingtao Zhou, Xuan Wan, Paul W. Sternberg, Chiara Daraio, Zhengyu Huang, Zongyi Li, Zhiwei Peng, John F. Brady, Animashree Anandkumar
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Publication number: 20240307654Abstract: Systems and methods for altering the geometry of a fluid channel to prevent upstream mobility of bacteria, using angled obstacles on the interior of the channel that among other things creates vortices that restrict the mobility. An optimized geometry can be realized by an artificial intelligence algorithm or similar methods based on performance of various configurations of obstacle parameters.Type: ApplicationFiled: March 13, 2024Publication date: September 19, 2024Inventors: Tingtao ZHOU, Xuan WAN, Paul W. STERNBERG, Chiara DARAIO, Zhengyu HUANG, Zongyi LI, Zhiwei PENG, John F. BRADY, Animashree ANANDKUMAR
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Publication number: 20240246825Abstract: Provided herein compositions of activated graphene oxide (AGO) and activated reduced graphene oxide (ARGO) and methods of producing thereof. The AGO and ARGO provided herein exhibit high surface areas and conductivities, and the methods herein enable facile production at large scales.Type: ApplicationFiled: August 30, 2023Publication date: July 25, 2024Inventors: Maher F. EL-KADY, Zhiwei PENG, Reta Betar FARAH
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Publication number: 20240095224Abstract: Implementations of this specification provide graph data processing systems and methods. An example graph data processing system includes a data storage system and a graph computing engine. The data storage system is configured to store a plurality of pieces of graph data corresponding to a plurality of versions, where the plurality of pieces of graph data are generated based on a plurality of groups of service data generated by a target service system in a plurality of consecutive time intervals. The graph computing engine is configured to receive a graph feature computing request. The graph computing engine is further configured to search the plurality of pieces of graph data stored in the data storage system for a plurality of pieces of target graph data corresponding to the plurality of target versions, and compute graph features of the plurality of pieces of target graph data.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Applicant: Alipay (Hangzhou) Information Technology Co., Ltd.Inventors: Zhiwei Peng, Lun Gao, Zhenxuan Pan
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Publication number: 20230366561Abstract: The present application provides an integrated stove. The integrated stove includes: a heating assembly for support and heat a container, and including an air duct; a housing connected to the heating assembly, and including a cavity, where the cavity is communicating with the air duct; and a fan arranged in the cavity, and for extract oil fume by the air duct and the cavity. The air duct and the fan are spaced in a first direction, and the first direction is perpendicular to the height direction of the integrated stove. By spacing the fan and the air duct in the first direction, the problems of a narrow air inlet channel, a large air inlet resistance and a poor oil fume suction effect in the related art are solved. Thus, the effects of optimizing an internal structure layout of the integrated stove, strengthening a capability of the integrated stove to extract oil fume, improving practicability and reliability of the integrated stove, and improving user experience are achieved.Type: ApplicationFiled: May 12, 2023Publication date: November 16, 2023Inventors: Huimin WU, Guomao LEI, Zhiwei PENG, Xiaokai LIU, Yifan ZHANG, Taiyang JIANG, Yehui MO, Wenhan XIONG, Qiangqiang YANG, Xingwen DENG, Feng XIE
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Patent number: 11814292Abstract: Provided herein compositions of activated graphene oxide (AGO) and activated reduced graphene oxide (ARGO) and methods of producing thereof. The AGO and ARGO provided herein exhibit high surface areas and conductivities, and the methods herein enable facile production at large scales.Type: GrantFiled: July 23, 2021Date of Patent: November 14, 2023Assignee: NANOTECH ENERGY, INC.Inventors: Maher F. El-Kady, Zhiwei Peng, Reta Betar Farah
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Publication number: 20230249975Abstract: Provided herein compositions of activated graphene oxide (AGO) and activated reduced graphene oxide (ARGO) and methods of producing thereof. The AGO and ARGO provided herein exhibit high surface areas and conductivities, and the methods herein enable facile production at large scales.Type: ApplicationFiled: July 23, 2021Publication date: August 10, 2023Inventors: Maher F. EL-KADY, Zhiwei PENG, Reta Betar FARAH, Richard B. KANER
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Patent number: 11437620Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.Type: GrantFiled: December 3, 2019Date of Patent: September 6, 2022Assignee: William Marsh Rice UniversityInventors: James M. Tour, Jian Lin, Zhiwei Peng, Wilbur Carter Kittrell
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Publication number: 20210372014Abstract: A bimorph meta fiber is formed through spinning of two antagonistic polymer melts, one of which contains pre-compounded optical nanostructures, into an eccentric sheath-core configuration or a side-by-side key-lock configuration. The bimorph meta fiber is capable of an adaptive regulation of the infrared radiation responsive to humidity level deviation from a comfort zone or perspiration level of the wearer of the garment fabricated from the meta fibers. The bimorph meta fibers are humidity/heat trained to attain dynamical environmentally responsive behavior to maintain the humidity/thermal comfort zone at various the humidity level fluctuations.Type: ApplicationFiled: April 30, 2019Publication date: December 2, 2021Inventors: YuHuang WANG, Zhiwei PENG, Beibei XU, Behnam POURDEYHIMI, Abhay JOIJODE
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Publication number: 20200112026Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.Type: ApplicationFiled: December 3, 2019Publication date: April 9, 2020Applicant: William Marsh Rice UniversityInventors: James M. Tour, Jian Lin, Zhiwei Peng, Carter Kittrell
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Patent number: 10505193Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.Type: GrantFiled: February 17, 2015Date of Patent: December 10, 2019Assignee: WILLIAM MARSH RICE UNIVERSITYInventors: James M. Tour, Jian Lin, Zhiwei Peng, Carter Kittrell
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Publication number: 20190088420Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene hybrid material by exposing a graphene precursor material to a laser source to form a laser-induced graphene, where the laser-induced graphene is derived from the graphene precursor material. The methods of the present disclosure also include a step of associating a pseudocapacitive material (e.g., a conducting polymer or a metal oxide) with the laser-induced graphene to form the graphene hybrid material. The formed graphene hybrid material can become embedded with or separated from the graphene precursor material. The graphene hybrid materials can also be utilized as components of an electronic device, such as electrodes in a microsupercapacitor. Additional embodiments of the present disclosure pertain to the aforementioned graphene hybrid materials and electronic devices.Type: ApplicationFiled: November 27, 2015Publication date: March 21, 2019Applicant: William Marsh Rice UniversityInventors: James M. Tour, Lei Li, Zhiwei Peng, Jibo Zhang
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Patent number: 9919927Abstract: In some embodiments, the present disclosure pertains to methods of making graphene quantum dots from a carbon source (e.g., coal, coke, and combinations thereof) by exposing the carbon source to an oxidant. In some embodiments, the methods of the present disclosure further comprise a step of separating the formed graphene quantum dots from the oxidant. In some embodiments, the methods of the present disclosure further comprise a step of reducing the formed graphene quantum dots. In some embodiments, the methods of the present disclosure further comprise a step of enhancing a quantum yield of the graphene quantum dots. In further embodiments, the methods of the present disclosure also include a step of controlling the diameter of the formed graphene quantum dots by selecting the carbon source. In some embodiments, the formed graphene quantum dots comprise oxygen addends or amorphous carbon addends on their edges.Type: GrantFiled: May 2, 2014Date of Patent: March 20, 2018Assignee: WILLIAM MARSH RICE UNIVERSITYInventors: James M. Tour, Ruquan Ye, Changsheng Xiang, Jian Lin, Zhiwei Peng, Gabriel Ceriotti
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Patent number: 9896340Abstract: In some embodiments, the present disclosure pertains to methods of forming a reinforcing material by: (1) depositing a first material onto a catalyst surface; and (2) forming a second material on the catalyst surface, where the second material is derived from and associated with the first material. In some embodiments, the first material includes, without limitation, carbon nanotubes, graphene nanoribbons, boron nitride nanotubes, chalcogenide nanotubes, carbon onions, and combinations thereof. In some embodiments, the formed second material includes, without limitation, graphene, hexagonal boron nitride, chalcogenides, and combinations thereof. In additional embodiments, the methods of the present disclosure also include a step of separating the formed reinforcing material from the catalyst surface, and transferring the separated reinforcing material onto a substrate without the use of polymers.Type: GrantFiled: July 18, 2014Date of Patent: February 20, 2018Assignee: WILLIAM MARSH RICE UNIVERSITYInventors: James M. Tour, Zheng Yan, Zhiwei Peng, Robert H. Hauge, Yilun Li
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Publication number: 20170062821Abstract: In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.Type: ApplicationFiled: February 17, 2015Publication date: March 2, 2017Applicant: William Marsh Rice UniversityInventors: James M. Tour, Jian Lin, Zhiwei Peng, Carter Kittrell
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Publication number: 20160060122Abstract: In some embodiments, the present disclosure pertains to methods of making graphene quantum dots from a carbon source (e.g., coal, coke, and combinations thereof) by exposing the carbon source to an oxidant. In some embodiments, the methods of the present disclosure further comprise a step of separating the formed graphene quantum dots from the oxidant. In some embodiments, the methods of the present disclosure further comprise a step of reducing the formed graphene quantum dots. In some embodiments, the methods of the present disclosure further comprise a step of enhancing a quantum yield of the graphene quantum dots. In further embodiments, the methods of the present disclosure also include a step of controlling the diameter of the formed graphene quantum dots by selecting the carbon source. In some embodiments, the formed graphene quantum dots comprise oxygen addends or amorphous carbon addends on their edges.Type: ApplicationFiled: May 2, 2014Publication date: March 3, 2016Inventors: James M. Tour, Ruquan Ye, Changsheng Xiang, Jian Lin, Zhiwei Peng
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Patent number: D1063855Type: GrantFiled: January 5, 2023Date of Patent: February 25, 2025Assignee: WANKA TECHNOLOGY LIMITEDInventors: Shuai Peng, Yun Chen, Zhiwei Chen