Patents by Inventor Wei-Hung Chiang
Wei-Hung Chiang 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: 12237320Abstract: Provided are a package structure and a method of forming the same. The method includes providing a first package having a plurality of first dies and a plurality of second dies therein; performing a first sawing process to cut the first package into a plurality of second packages, wherein one of the plurality of second packages comprises three first dies and one second die; and performing a second sawing process to remove the second die of the one of the plurality of second packages, so that a cut second package is formed into a polygonal structure with the number of nodes greater than or equal to 5.Type: GrantFiled: November 21, 2023Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Hung Lin, Hui-Min Huang, Chang-Jung Hsueh, Wan-Yu Chiang, Ming-Da Cheng, Mirng-Ji Lii
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Publication number: 20250039646Abstract: An internal radio wave transmission system of building includes a base layer and a transmission layer, with a radio wave transmission channel between the two layers. The radio wave transmission system in a building includes a signal transceiver device, a first reflective plate and a second reflective plate. The signal transceiver device is connected with a telecommunication room, and the signal transceiver device emits and receives radio wave signals. The first reflective plate is disposed in the channel and corresponds to positions of the base layer and the signal transceiver device to receive and guide the radio wave signals. The second reflective plate is disposed in the channel and corresponds to a position of the transmission layer to receive and guide the radio wave signals to terminal equipment located in the transmission layer. The invention ensures the effective transmission of the radio wave signals inside the building.Type: ApplicationFiled: June 20, 2024Publication date: January 30, 2025Inventors: TZUU-YAW LU, HERMAN CHUNGHWA RAO, Chun-Chieh KUO, Hua-Pei CHIANG, CHYI-DAR JANG, TSUNG-JEN WANG, CHI-HUNG LIN, WEI-DI HWANG, FANG-CHI YEN, CHIEN-LI HOU
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Publication number: 20240066494Abstract: The present invention provides a microplasma device and system thereof. The microplasma device comprises a reaction tank carrying with a reaction solution. A nanomaterial and its precursors are contained in the reaction solution. A first electrode is at least partially immersed in the reaction solution. A second electrode comprises a microplasma array component to eject microplasma array to the surface of the reaction solution. A power source is electrically connected between the first electrode and the second electrode. The present invention provides a novel microplasma array device to produce nanomaterial with increased yield rate. The microplasma array device can be multiplied by adding the outlet of the microplasma as desired to produce nanomaterial including but not limited to nano-metal particles, carbon quantum dots, silicon quantum dots and plasma-activated water with higher yield rate.Type: ApplicationFiled: November 28, 2022Publication date: February 29, 2024Inventors: Ren-Jie Weng, Wei-Hung Chiang
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Patent number: 11807790Abstract: The present invention is related to a production method of a photoluminescence material by micro-plasma treatment for degrading plastic piece into multiple smaller molecular, a graphene quantum dot and the composite thereof. By using micro-plasma treatment, the production method provided by the present invention consumes very little energy and the processing steps is simple and efficiency without the existence of any organic solvent. The products obtained by the said treatment is high valued graphene quantum dot and graphene quantum dot composite with excellent photoluminescence ability for at least white, blue, green, cyan or yellow colors.Type: GrantFiled: July 19, 2021Date of Patent: November 7, 2023Assignee: National Taiwan University of Science and TechnologyInventors: Ren-Jie Weng, Wei-Hung Chiang
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Patent number: 11624155Abstract: In the porous substrate loaded with porous nano-particles structure and one-step micro-plasma production method thereof, since the micro-plasma system enhances the electron density and promotes reaction speed in the reaction without generating thermal effect, the method may be performed at an atmosphere environment. The nano-particles also can be quickly obtained by aforementioned micro-plasma system. The electromagnetic field generated by the micro-plasma can drive the nano-particles to be loaded onto the porous substrate in a one step, rapid and low cost process to improve the conventional techniques which require a relatively long procedure time and a complicated process.Type: GrantFiled: October 7, 2019Date of Patent: April 11, 2023Assignee: National Taiwan University of Science and TechnologyInventors: Wei-Hung Chiang, Yi-Jui Yeh
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Publication number: 20220298412Abstract: The present invention is related to a production method of a photoluminescence material by micro-plasma treatment for degrading plastic piece into multiple smaller molecular, a graphene quantum dot and the composite thereof. By using micro-plasma treatment, the production method provided by the present invention consumes very little energy and the processing steps is simple and efficiency without the existence of any organic solvent. The products obtained by the said treatment is high valued graphene quantum dot and graphene quantum dot composite with excellent photoluminescence ability for at least white, blue, green, cyan or yellow colors.Type: ApplicationFiled: July 19, 2021Publication date: September 22, 2022Inventors: Ren-Jie Weng, Wei-Hung Chiang
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Patent number: 10947120Abstract: A production method of low dimensional nano-material comprises steps of: introducing a layered material; adding an intercalating agent into the layered material; and exfoliating the layered material by ball-milling to form the low dimensional material. Mechanochemical approaches for low dimensional nano-material like graphene quantum dots synthesis offer a promise of new reaction pathways, and greener and more efficient syntheses, making them potential approaches for low cost production.Type: GrantFiled: December 17, 2018Date of Patent: March 16, 2021Assignee: National Taiwan University of Science and TechnologyInventors: Wei-Hung Chiang, Hao-Hsuan Chien
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Publication number: 20210062427Abstract: Present invention is related to a porous substrate loaded with porous nano-particles structure and one-step micro-plasma production method thereof. Due to the micro-plasma system enables to enhance the electron density and promotes reaction speed in the reaction without generating thermal effect, the present invention is allowed to be performed at atmosphere environment. The nano-particles also can be quickly obtained by aforementioned micro-plasma system. The electromagnetic field generated by the micro-plasma can drive the nano-particles to be loaded onto the porous substrate in a one step, rapid and low cost process to improve the conventional techniques which requires relatively long procedure time and complicated process.Type: ApplicationFiled: October 7, 2019Publication date: March 4, 2021Inventors: Wei-Hung Chiang, Yi-Jui Yeh
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Publication number: 20200062599Abstract: A production method of low dimensional nano-material comprises steps of: introducing a layered material; adding an intercalating agent into the layered material; and exfoliating the layered material by ball-milling to form the low dimensional material. Mechanochemical approaches for low dimensional nano-material like graphene quantum dots synthesis offer a promise of new reaction pathways, and greener and more efficient syntheses, making them potential approaches for low cost production.Type: ApplicationFiled: December 17, 2018Publication date: February 27, 2020Inventors: Wei-Hung Chiang, Hao-Hsuan Chien
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Patent number: 10535444Abstract: Provided is a composite carbon material including a substrate and a graphene oxide. The graphene oxide accounts for about 5 wt % to 60 wt % based on a total weight of the substrate and the graphene oxide. A method of preparing a composite carbon material is further provided. The prepared composite carbon material has excellent hydrophilic property, flexibility, electrical conductivity and dispersity.Type: GrantFiled: December 10, 2015Date of Patent: January 14, 2020Assignee: National Taiwan University of Science and TechnologyInventors: Wei-Hung Chiang, Yen-Sheng Li
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Patent number: 10124327Abstract: A method of producing nano-composites has the following steps: providing a solution, with the solution having a substrate and a precursor of a zero-dimensional nanoparticles; and subjecting a surface of the solution to a plasma to activate the precursor to generate the zero-dimensional nanoparticles in the solution. The nanoparticles are self-assembled on the substrate uniformly to generate the nano-composites.Type: GrantFiled: November 10, 2015Date of Patent: November 13, 2018Assignee: National Taiwan University of Science and TechnologyInventors: Wei-Hung Chiang, Huin-Ning Huang
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Patent number: 9708190Abstract: A method for producing a modified graphene includes the steps of intercalating or inserting a mixture of intercalating agents in a spacing between interlayers of carbon substrates or between carbon substrates, whereby the binding force between the interlayers of the carbon substrates or between the carbon substrates is weakened; and then exfoliating the pretreated carbon substrates to form the modified graphene. With the environmental friendly purpose, the method according to the present invention is useful for reducing the total amount of a strong acid. Therefore, the amount of the generated oxygen-containing functional groups attached on the modified graphene is modulated to avoid defects and maintain a yield over 80%.Type: GrantFiled: December 10, 2015Date of Patent: July 18, 2017Assignee: National Taiwan University of Science and TechnologyInventors: Wei-Hung Chiang, Yen-Sheng Li, Jia-Liang Liao
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Publication number: 20160361714Abstract: The present invention is related to a method of producing nano-composites, which has the following steps: providing a solution, the solution has a substrate and a precursor of a zero-dimensional nanoparticles; subjecting a surface of the solution to a plasma to activate the precursor to generate the zero-dimensional nanoparticles in the solution; whereby the nanoparticles are self-assembled on the substrate uniformly to generate the nano-composites.Type: ApplicationFiled: November 10, 2015Publication date: December 15, 2016Inventors: Wei-Hung Chiang, Huin-Ning Huang
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Publication number: 20160347619Abstract: Provided is a method for producing a modified graphene, comprising the steps of intercalating or inserting a mixture of intercalating agents in a spacing between interlayers of carbon substrates or between carbon substrates, whereby the binding force between the interlayers of the carbon substrates or between the carbon substrates is weaken; and then exfoliating the pretreated carbon substrates to form the modified graphene. Upon environmental friendly purpose, the method according to the present invention is useful for reducing the total amount of strong acid. Therefore, the amount of the generated oxygen-containing functional groups attached on the modified graphene is modulated to avoid defects and maintain a yield over 80%.Type: ApplicationFiled: December 10, 2015Publication date: December 1, 2016Inventors: Wei-Hung Chiang, Yen-Sheng Li, Jia-Liang Liao
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Publication number: 20160351287Abstract: Provided is a composite carbon material including a substrate and a graphene oxide. The graphene oxide accounts for about 5 wt % to 60 wt % based on a total weight of the substrate and the graphene oxide. A method of preparing a composite carbon material is further provided. The prepared composite carbon material has excellent hydrophilic property, flexibility, electrical conductivity and dispersity.Type: ApplicationFiled: December 10, 2015Publication date: December 1, 2016Inventors: Wei-Hung Chiang, Yen-Sheng Li
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Publication number: 20140225039Abstract: A radiation absorbing material includes a carrier, and a heterogeneous element doped in the carrier. A content of the heterogeneous element in the carrier is higher than 15 atomic percent (at %).Type: ApplicationFiled: December 31, 2013Publication date: August 14, 2014Applicant: Industrial Technology Research InstituteInventors: Wei-Hung Chiang, Shu-Jiuan Huang, Guang-Way JANG
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Patent number: 8715608Abstract: A method for synthesizing carbon nanotubes having a narrow distribution of diameter and/or chirality is presented. The method comprises providing catalyst particles to a reactor for synthesizing the carbon nanotubes, wherein the catalyst particles are characterized by a narrow distribution of catalyst-particle diameters and a narrow distribution of catalyst-particle compositions. Preferably, the catalyst particles are characterized by a mean catalyst-particle diameter of 2.6 nm or less and a composition of NixFe1-x, wherein x is less than or equal to 0.5.Type: GrantFiled: November 29, 2010Date of Patent: May 6, 2014Assignee: Case Western Reserve UniversityInventors: R. Mohan Sankaran, Wei-Hung Chiang
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Publication number: 20110165058Abstract: A method for synthesizing carbon nanotubes having a narrow distribution of diameter and/or chirality is presented. The method comprises providing catalyst particles to a reactor for synthesizing the carbon nanotubes, wherein the catalyst particles are characterized by a narrow distribution of catalyst-particle diameters and a narrow distribution of catalyst-particle compositions. Preferably, the catalyst particles are characterized by a mean catalyst-particle diameter of 2.6 nm or less and a composition of NixFe1-x, wherein x is less than or equal to 0.5.Type: ApplicationFiled: November 29, 2010Publication date: July 7, 2011Applicant: CASE WESTERN RESERVE UNIVERSITYInventors: R. Mohan Sankaran, Wei-Hung Chiang
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Patent number: D1063925Type: GrantFiled: January 21, 2021Date of Patent: February 25, 2025Assignee: COMPAL ELECTRONICS, INC.Inventors: Po-Yang Chien, Hao-Jen Fang, Wei-Yi Chang, Chun-Chieh Chen, Chen-Cheng Wang, Chih-Wen Chiang, Sheng-Hung Lee