Patents by Inventor Shang-Wei Chou
Shang-Wei Chou 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: 20230361243Abstract: Provided is a light-emitting quantum dot coated with at least one blue-light absorption layer, including an alloy type core consisting of Cd, Se, Zn, and S, a first shell layer having a zinc blende structure and being coated on the surface of the alloy core, and at least one second shell layer having a wurtzite structure and being coated on a surface of the first shell layer, wherein the element ratio of each of Zn and S accounts for 30 to 50% of the overall core, and the content of Cd and Se gradually decreases outward from the core center. Also provided is a method for preparing the core-shell type light-emitting quantum dot. By having the alloy core, the first shell layer with a zinc blende structure, and the second shell layer with a wurtzite structure, the core-shell type quantum dot can achieve quantum efficiency of more than 95% and have high-temperature resistance and excellent water- and oxygen-barrier performance.Type: ApplicationFiled: May 9, 2023Publication date: November 9, 2023Applicant: OPULENCE OPTRONICS CO., LTD.Inventors: Yuan-Chang LU, Shang-Wei CHOU
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Patent number: 11515445Abstract: Provided is a core-shell type light-emitting quantum dot, including an alloy type core consisting of Cd, Se, Zn, and S, and a shell layer having a zinc blende structure and being coated on the surface of the alloy core, wherein the element ratio of each of Zn and S accounts for 30 to 50% of the overall core, and the content of Cd and Se gradually decreases outward from the core center. Also provided is a method for preparing the core-shell type light-emitting quantum dot. By having the alloy core and the shell layer with a zinc blende structure, the core-shell type quantum dot can achieve quantum efficiency of 95%, and have high temperature resistance and excellent water- and oxygen-barrier performance.Type: GrantFiled: February 25, 2020Date of Patent: November 29, 2022Assignee: OPULENCE OPTRONICS CO., LTDInventors: Yuan-Chang Lu, Shang-Wei Chou
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Publication number: 20200274026Abstract: Provided is a core-shell type light-emitting quantum dot, including an alloy type core consisting of Cd, Se, Zn, and S, and a shell layer having a sphalerite structure and being coated on the surface of the alloy core, wherein the element ratio of each of Zn and S accounts for 30 to 50% of the overall core, and the content of Cd and Se gradually decreases outward from the core center. Also provided is a method for preparing the core-shell type light-emitting quantum dot.Type: ApplicationFiled: February 25, 2020Publication date: August 27, 2020Inventors: Yuan-Chang Lu, Shang-Wei Chou
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Patent number: 10672464Abstract: A method for achieving a feedforward operation and/or a recurrent operation in an artificial neural network having a self-training learning function. The forgoing artificial neural network (ANN) comprises M×N numbers nonvolatile memory cells that are arranged to form a memory array, and the nonvolatile memory cell can be a non-overlapped implementation (NOI) MOSFET, a RRAM element, a PCM element, a MRAM element, or a SONOS element. By applying this novel method to the ANN, it is able to perform the feedforward and recurrent operations in the M×N numbers of nonvolatile memory cells storing with different bit weights that are formed by injected electrons through the self-training learning function of the ANN.Type: GrantFiled: January 9, 2019Date of Patent: June 2, 2020Assignee: Chung Yuan Christian UniversityInventors: Syang-Ywan Jeng, Shang-Wei Chou
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Publication number: 20190221257Abstract: Disclosures of the present invention describe a method of performing feedforward and recurrent operations in an artificial neural network using nonvolatile memory cells. In the present invention, a plurality of nonvolatile memory cells or a memory array consists of the nonvolatile memory cells and necessary circuit units are integrated to form an artificial neural network (ANN). Therefore, it is able to perform feedforward and recurrent operations in the M×N numbers of nonvolatile memory cells storing with different weights through the self-training learning function of the ANN.Type: ApplicationFiled: January 9, 2019Publication date: July 18, 2019Inventors: SYANG-YWAN JENG, SHANG-WEI CHOU
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Patent number: 10345688Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: GrantFiled: April 18, 2017Date of Patent: July 9, 2019Assignee: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Patent number: 10317785Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: GrantFiled: August 23, 2018Date of Patent: June 11, 2019Assignee: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Patent number: 10312406Abstract: Provided is a method of forming gigantic quantum dots including following steps. A first precursor by mixing zinc acetate (Zn(ac)2), cadmium oxide (CdO), a surfactant, and a solvent together and then performing a first heat treatment is provided. The first precursor includes Zn-complex having the surfactant and Cd-complex having the surfactant. A second precursor containing elements S and Se and trioctylphosphine (TOP) is added into the first precursor to form a reaction mixture. A second heat treatment is performed on the reaction mixture and then cooling the reaction mixture to form the gigantic quantum dots in the reaction mixture.Type: GrantFiled: February 2, 2018Date of Patent: June 4, 2019Assignee: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou, Yu-Min Lin, Chin-Cheng Chiang, Chia-Chun Hsieh
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Patent number: 10234753Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: GrantFiled: August 23, 2018Date of Patent: March 19, 2019Assignee: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Publication number: 20190011819Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: ApplicationFiled: August 23, 2018Publication date: January 10, 2019Applicant: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Publication number: 20180364553Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: ApplicationFiled: August 23, 2018Publication date: December 20, 2018Applicant: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Publication number: 20180342645Abstract: Provided is a method of forming gigantic quantum dots including following steps. A first precursor by mixing zinc acetate (Zn(ac)2), cadmium oxide (CdO), a surfactant, and a solvent together and then performing a first heat treatment is provided. The first precursor includes Zn-complex having the surfactant and Cd-complex having the surfactant. A second precursor containing elements S and Se and trioctylphosphine (TOP) is added into the first precursor to form a reaction mixture. A second heat treatment is performed on the reaction mixture and then cooling the reaction mixture to form the gigantic quantum dots in the reaction mixture.Type: ApplicationFiled: February 2, 2018Publication date: November 29, 2018Applicant: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou, Yu-Min Lin, Chin-Cheng Chiang, Chia-Chun Hsieh
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Publication number: 20180299755Abstract: The invention provides a light emitting apparatus including a projector color wheel and a light emitting diode (LED) device using a composite material, a method of manufacturing the composite material, and an optical film. The stability of the composite material has been greatly improved. Light emitting devices using the composite material have wide color gamut.Type: ApplicationFiled: April 18, 2017Publication date: October 18, 2018Applicant: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou
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Patent number: 10096743Abstract: Provided are Gigantic quantum dots and a method of forming gigantic quantum dots. Each of the gigantic quantum dots includes a core constituted of CdSe, a shell constituted of ZnS, and an alloy configured between the core and the shell. The core is wrapped by the shell. The alloy constituted of Cd, Se, Zn and S, wherein a content of the Cd and Se gradually decreases from the core to the shell and a content of the Zn and S gradually increases from the core to the shell. A particle size of each of the gigantic quantum dots is equal to or more than 10 nm.Type: GrantFiled: May 26, 2017Date of Patent: October 9, 2018Assignee: Unique Materials Co., Ltd.Inventors: Pi-Tai Chou, Shang-Wei Chou, Yu-Min Lin, Chin-Cheng Chiang, Chia-Chun Hsieh
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Patent number: 9339562Abstract: Nanoparticles are used as a contrast agent for magnetic resonance imaging and computed tomography. Each of the nanoparticles includes a metal alloy core and a plurality of hydrophilic molecules covalently bound to the surface of the metal alloy core. Also disclosed is a method for using the contrast agent.Type: GrantFiled: March 23, 2011Date of Patent: May 17, 2016Assignees: National Taiwan Normal University, National Cheng Kung UniversityInventors: Chia-Chun Chen, Dar-Bin Shieh, Shang-Wei Chou, Ping-Ching Wu, Yu Hong Hsiao, Yu Sang Yang
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Publication number: 20120076737Abstract: Nanoparticles are used as a contrast agent for magnetic resonance imaging and computed tomography. Each of the nanoparticles includes a metal alloy core and a plurality of hydrophilic molecules covalently bound to the surface of the metal alloy core. Also disclosed is a method for using the contrast agent.Type: ApplicationFiled: March 23, 2011Publication date: March 29, 2012Applicants: National Cheng Kung University, National Taiwan Normal UniversityInventors: Chia-Chun Chen, Dar-Bin Shieh, Shang-Wei Chou, Ping-Ching Wu
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Publication number: 20070096524Abstract: A corrective chair comprises a seat which allows to be tilted forward and backward, a backrest and support elements for feet, allowing multiple uses as a regular chair, a reclining chair and a chair for correcting orientation of vertebrae, assisting a user to get up, lie down and stretch the torso for relaxing, preventing inflammation of muscular mucous membranes and attaining a better sitting position.Type: ApplicationFiled: November 1, 2005Publication date: May 3, 2007Inventor: Shang-Wei Chou
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Patent number: 7121629Abstract: A healthy chair comprises an inclined seat plate, a plurality of feet, and a frontal torso positioning device. The seat plate has a front side and a rear side that is higher than the front side. The frontal torso positioning device is fastened to the seat plate at the rear side thereof and extends forward and upward. Support bars for resting the feet of a user are positioned near the feet of the chair below the rear side of the seat plate. Thereby an upright sitting position is automatically assumed by the user, with the upper body and the thighs enclosing an angle of more than 90 degrees, resulting in a better sitting position, straightening of the spine and better health.Type: GrantFiled: April 19, 2004Date of Patent: October 17, 2006Inventor: Shang-Wei Chou
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Publication number: 20060224092Abstract: A massaging apparatus comprises a main body; a roll inside the main body from which several studs radially extend outwards; a driving device in the main body, driving the roll in a rotating movement; and a projection, mounted on the main body at a position to which ends of the studs move during the rotating movement; wherein, after placing the main body on a user's skin, the rotating movement causes the ends of the studs to shove tissue below the user's skin against the projection, having a massaging effect like repeatedly squeezing and releasing the tissue with fingers.Type: ApplicationFiled: April 4, 2005Publication date: October 5, 2006Inventor: Shang-Wei Chou
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Publication number: 20050242653Abstract: A healthy chair comprises an inclined seat plate, a plurality of feet, and a positioning device. The seat plate has a front side and a rear side that is higher than the front side. The positioning device is fastened to the seat plate at the rear side thereof and extends forward and upward. Support bars for resting the feet of a user are inserted between the feet of the chair below the rear side of the seat plate. Thereby an upright sitting position is automatically assumed by the user, with the upper body and the thighs enclosing an angle of more than 90 degrees, resulting in a better sitting position, straightening of the spine and better health.Type: ApplicationFiled: April 19, 2004Publication date: November 3, 2005Inventor: Shang-Wei Chou