Patents by Inventor Chih-Hung Chang
Chih-Hung Chang 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: 11792960Abstract: A containerized data system, including a container body, a first cabinet array, a second cabinet array and a plurality of first air-conditioning devices. The first cabinet array and the second cabinet array are positioned in the container body and spaced apart from each other. Air intake areas of the first cabinet array and the second cabinet array communicates with a cold aisle connection space of the container body. Heat dissipation areas of the first cabinet array and the second cabinet array communicates with a hot aisle connection space of the container body. Air inlets of the first air-conditioning devices are communicated with the hot aisle connection space to collect the hot air flow in the container body, and air outlets of the plurality of first air-conditioning devices are communicated with the cold aisle connection space to convey the cold air flow to the container body.Type: GrantFiled: August 11, 2020Date of Patent: October 17, 2023Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.Inventors: Chao-Ke Wei, Tze-Chern Mao, Yao-Ting Chang, Yen-Chun Fu, Ching-Tang Liu, Chih-Hung Chang, Li-Wen Chang
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Publication number: 20230305609Abstract: An immersion cooling tank includes a tank body and a liquid flow tube. The tank body holds a coolant and an electronic device. The tank body defines an inlet and an outlet. The inlet and the outlet are respectively located at opposite ends of the electronic device for inputting and outputting the coolant. The coolant flows through the electronic device. The liquid flow tube includes at least one adjuster. The liquid flow tube is located inside the tank body and coupled to at least one of the inlet or the outlet. The at least one adjuster faces the electronic device for controlling an amount of the coolant flowing in or out of the tank body.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Inventors: TZE-CHERN MAO, YEN-CHUN FU, CHIH-HUNG CHANG, YAO-TING CHANG, LI-WEN CHANG, CHAO-KE WEI
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Patent number: 11761691Abstract: A cooling and heating energy saving system includes a cooling and heating device, a data center, a boiler, a heat exchanger, and a circulating pump. The boiler receives waste heat of the data center and heat generated by the cooling and heating device, and then generates high-temperature heat and transfers the high-temperature heat to an indoor heating device. The heat exchanger receives heat from the cooling and heating device and the data center. The circulating pump receives the heat generated by the data center and transmits the heat to an outdoor cold source, and further transmits the outdoor cold source to an indoor device through the heat exchanger.Type: GrantFiled: September 16, 2020Date of Patent: September 19, 2023Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.Inventors: Chih-Hung Chang, Chao-Ke Wei, Tze-Chern Mao, Yen-Chun Fu
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Patent number: 11714467Abstract: An immersion cooling tank includes a tank body and a liquid flow tube. The tank body holds a coolant and an electronic device. The tank body defines an inlet and an outlet. The inlet and the outlet are respectively located at opposite ends of the electronic device for inputting and outputting the coolant. The coolant flows through the electronic device. The liquid flow tube includes at least one adjuster. The liquid flow tube is located inside the tank body and coupled to at least one of the inlet or the outlet. The at least one adjuster faces the electronic device for controlling an amount of the coolant flowing in or out of the tank body.Type: GrantFiled: October 12, 2021Date of Patent: August 1, 2023Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.Inventors: Tze-Chern Mao, Yen-Chun Fu, Chih-Hung Chang, Yao-Ting Chang, Li-Wen Chang, Chao-Ke Wei
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Publication number: 20230184467Abstract: A cooling and heating energy saving system includes a cooling and heating device, a data center, a boiler, a heat exchanger, and a circulating pump. The boiler receives excess heat of the data center and heat generated by the cooling and heating device, and then generates high-temperature heat and transfers the high-temperature heat to an indoor heating device. The heat exchanger receives heat from the cooling and heating device and the data center. The circulating pump receives the heat generated by the data center and transmits the heat to an outdoor cold source, and further transmits the outdoor cold source to an indoor device through the heat exchanger.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: CHIH-HUNG CHANG, CHAO-KE WEI, TZE-CHERN MAO, YEN-CHUN FU
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Patent number: 11664345Abstract: A semiconductor package element includes a die, a passive layer, a conductive structure and an encapsulation layer. The die includes a first surface, a second surface and a third surface. The second surface is opposite to the first surface. The third surface is connected between the first surface and the second surface. The passive layer is disposed on the first surface and formed with a hole. The conductive structure is electrically coupled to the die through the hole. The encapsulation layer covers the first surface and the third surface of the die, wherein the passive layer is embedded in the encapsulation layer, a portion of the conductive structure is embedded in the encapsulation layer, and the other portion of the conductive structure protrudes from an etched surface of the encapsulation layer, the etched surface is formed by plasma etching.Type: GrantFiled: June 22, 2021Date of Patent: May 30, 2023Assignee: PANJIT INTERNATIONAL INC.Inventors: Chung-Hsiung Ho, Chih-Hung Chang, Chi-Hsueh Li
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Publication number: 20230047453Abstract: A di(2-ethylhexyl) terephthalate composition is provided. The di(2-ethylhexyl) terephthalate composition comprises di(2-ethylhexyl)terephthalate, at least one of a first component, a second component and a third component, and a fourth component When the di(2-ethylhexyl) terephthalate composition is characterized by gas chromatography (GC), the first component is eluted at a retention time ranging from 4.8 minutes to 6.0 minutes, the second component is eluted at a retention time ranging from 9.0 minutes to 10.0 minutes, the third component is eluted at a retention time ranging from 10.1 minutes to 12.0 minutes, and the fourth component is eluted at a retention time ranging from 21.0 minutes to 22.1 minutes. The ratio of the total area of the chromatographic peaks indicating the first component, second component, and third component to the area of the chromatographic peaks indicating the fourth component is 0.135 to 1.720.Type: ApplicationFiled: June 9, 2022Publication date: February 16, 2023Inventors: Mei Yu LIN, Chih-Hung CHANG
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Publication number: 20230034642Abstract: A print head comprising nested chambers for in-situ reactant formation is disclosed. The print head comprises a first chamber nested within a second chamber. The first chamber comprises a first nozzle, the second chamber comprises a second nozzle. The first nozzle is substantially coaxial with the second nozzle. A susceptor to convert electromagnetic energy to heat is within the first chamber. The susceptor comprises one or more openings extending between the upper portion and the lower portion. The susceptor may be heated by induction heating or by optical heating to vaporize a precursor substance within the first chamber. The vapor may react with a reactive gas flowing through the first chamber or expand through a nozzle into a second chamber where the vapor may react with the reactive gas, forming nanoparticles. Patterned films may be written onto a two-dimensional or three-dimensional surfaces.Type: ApplicationFiled: July 26, 2022Publication date: February 2, 2023Applicant: Oregon State UniversityInventors: Chih-hung Chang, Venkata Vinay Krishna Doddapaneni, Yujuan He, Jeffrey Dhas, Brian K. Paul, Somayeh Pasebani, Chuankai Song, Sakineh Abbasi
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Publication number: 20220401690Abstract: A lighting system with a multispectral circadian rhythm lighting scenario, which performs lighting by the following procedures, the procedures include: downloading the multispectral circadian rhythm lighting scenario database from a portable communication device to the cloud through the Internet; the portable communication device selects a multispectral lighting parameter and a circadian rhythm parameter from the multispectral circadian rhythm lighting scenario database to start the light-emitting device to control the illuminator to perform lighting; after the blood or saliva test of the light control subjects, the psychological stress index values of the illuminator were obtained; the portable communication device or the management control module transmits the circadian rhythm parameters and psychological stress index values to the cloud.Type: ApplicationFiled: June 15, 2022Publication date: December 22, 2022Inventors: Lawrence LIN, Chih Hung CHANG
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Publication number: 20220406750Abstract: A semiconductor package element includes a die, a passive layer, a conductive structure and an encapsulation layer. The die includes a first surface, a second surface and a third surface. The second surface is opposite to the first surface. The third surface is connected between the first surface and the second surface. The passive layer is disposed on the first surface and formed with a hole. The conductive structure is electrically coupled to the die through the hole. The encapsulation layer covers the first surface and the third surface of the die, wherein the passive layer is embedded in the encapsulation layer, a portion of the conductive structure is embedded in the encapsulation layer, and the other portion of the conductive structure protrudes from an etched surface of the encapsulation layer, the etched surface is formed by plasma etching.Type: ApplicationFiled: June 22, 2021Publication date: December 22, 2022Applicant: PANJIT INTERNATIONAL INC.Inventors: Chung-Hsiung Ho, Chih-Hung Chang, Chi-Hsueh Li
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Publication number: 20220406620Abstract: The invention describes a fabricating method for fabricating semiconductor package device which includes the following steps: providing a wafer having a plurality of dies, wherein each of the dies is provided on a top surface thereof with a middle electric conducting structure and a solder ball; forming a molding structure having a flat top surface on a top side of the wafer; removing a part of the molding structure and exposing a part of each of the solder ball by plasma etching; performing a dicing process along a boundary of each of the dies to separate each of the dies so that the semiconductor package device is thus obtained.Type: ApplicationFiled: June 22, 2021Publication date: December 22, 2022Applicant: PANJIT INTERNATIONAL INC.Inventors: Chung-Hsiung Ho, Chih-Hung Chang, Chi-Hsueh Li
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Publication number: 20220408533Abstract: A lighting system for establishing a database of multispectral circadian rhythm lighting scenario and psychological stress indicators is configured in space, which is characterized by downloading the multispectral circadian rhythm lighting scenario database from the cloud; the multispectral lighting parameters and circadian rhythm parameters are selected from the multispectral circadian rhythm lighting scenario database to start the light-emitting device for lighting; the ambient light sensor measures and judges whether the circadian rhythm parameters reach the set value; when each circadian rhythm parameter in the circadian rhythm lighting scenario database has reached the set value, the light-emitting device is started for lighting; after the blood or saliva of the light control subjects were tested, the psychological stress index values of the illuminators were obtained; the portable communication device transmits the circadian rhythm parameters and psychological stress index values to the cloud; among theType: ApplicationFiled: June 14, 2022Publication date: December 22, 2022Inventors: Lawrence LIN, Chih Hung CHANG
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Publication number: 20220373985Abstract: The present invention is grading method for establishing the response of EEG files to physiological emotions through human factor lighting (HCL) system and EEG includes the following steps: Step 1, enhance spectrum which obtained the specific color temperature with synergistic effect on the specific physiological emotional response identified by fMRI; Step 2, making the user wear an EEG and give the element with specific emotional stimulation to stimulate the user's specific physiological emotion and induced the user's specific physiological emotion; Step 3, carry out the lighting program, after step 2, start the HCL system to lighting the user with different color temperatures, record and store the EEG files after lighting with different color temperatures; Step 4, EEG files that classify specific emotions by similarity through the learning method of AI; Step 5, establish the EEG classification database according to the similarity ranking of EEG files with specific color temperature.Type: ApplicationFiled: April 4, 2022Publication date: November 24, 2022Inventors: Lawrence LIN, Chih Hung CHANG
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Publication number: 20220377867Abstract: The present invention is a human centric lighting (HCL) method with adjustable lighting parameters comprises the following steps: 1) User connects with the cloud through the intelligent communication device and selects the specific spectral recipe that the user wants to achieve a specific emotion from the cloud; 2) The light emitting device is configured to emit light in a specific light field according to the lighting parameters in a specific light field to select the light in a specific light field; 3) After the user performs HCL, when the effect of specific emotion is not reached, the user adjusts the lighting parameters in the selected specific spectral recipe through the intelligent communication device; 4) When the user has achieved the effect of specific emotion after performing HCL, store the corresponding lighting parameters of the adjusted spectral recipe to the cloud.Type: ApplicationFiled: April 4, 2022Publication date: November 24, 2022Inventors: Lawrence LIN, Chih Hung CHANG
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Publication number: 20220369995Abstract: The present invention relates to an editing method of a dynamic spectrum program, which includes the following steps. Downloading the spectral recipe is to download the spectral recipe with multi light scene with specific color temperature or at least one specific color temperature to the editing device through the internet, and connect the editing device with the software as a service system or platform as a service system configured in the cloud. Perform the correlation editing between the specific function and the spectral recipe. The editing device divides the specific function to be achieved into multiple blocks through the software as a service system or the platform as a service system, and the blocks correspond to the spectral recipe of the multi light scene respectively. And forming a functional dynamic spectrum program, which is to configure multiple blocks for corresponding time to form a dynamic spectrum program.Type: ApplicationFiled: April 5, 2022Publication date: November 24, 2022Inventors: Lawrence LIN, Chih Hung CHANG
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Publication number: 20220336069Abstract: Systems and methods are disclosed for the measurement of patient outcomes in a rehabilitation setting. In one exemplary method, an assessment relating to self-care is provided, an assessment relating to mobility is provided, and an assessment relating to cognition is provided, wherein the assessments have been pre-selected using item response theory.Type: ApplicationFiled: July 1, 2022Publication date: October 20, 2022Inventors: Chih-Hung Chang, Andrew Bodine, James A. Sliwa
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Patent number: 11477918Abstract: A heat exchange system includes a heat-absorbing substance such as Liquid Natural Gas (LNG), a heat dissipation apparatus, a water storage tank, a heat exchanger, and a heat exchanger. The heat exchanger is coupled between the LNG and the water storage tank. The heat exchanger is coupled between the heat dissipation apparatus and the water storage tank. The heat exchanger transfers heat of the heat dissipation apparatus to water of the water storage tank to lose heat to the heat exchanger, and the heat exchanger transfers heat of the water to the LNG.Type: GrantFiled: June 29, 2021Date of Patent: October 18, 2022Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.Inventors: Tze-Chern Mao, Yen-Chun Fu, Chih-Hung Chang, Chao-Ke Wei, Li-Wen Chang, Ching-Tang Liu, Hung-Chou Chan
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Patent number: 11380425Abstract: Systems and methods are disclosed for the measurement of patient outcomes in a rehabilitation setting. In one exemplary method, an assessment relating to self-care is provided, an assessment relating to mobility is provided, and an assessment relating to cognition is provided, wherein the assessments have been pre-selected using item response theory.Type: GrantFiled: September 26, 2018Date of Patent: July 5, 2022Assignee: REHABILITATION INSTITUTE OF CHICAGOInventors: Chih-Hung Chang, Andrew Bodine, James A. Sliwa
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Patent number: 11293593Abstract: A system for better utilization of liquefied natural gas (LNG) on gasification of the liquid includes a gas power generation subsystem, a steam power generation subsystem, an energy storage subsystem, and a cooling subsystem. A gasification device of the gas power generation subsystem renders the LNG gaseous and collects cold energy generated during the gasification. The gas is supplied to the gas power generation device for generating electrical power and the cold energy is supplied to the steam power generation subsystem and the cold storage subsystem. Electrical power generated by the gas power generation subsystem and the steam power generation subsystem is supplied to the cooling subsystem, and the energy stored in the energy storage subsystem is also supplied to the cooling subsystem.Type: GrantFiled: April 25, 2019Date of Patent: April 5, 2022Assignee: Shenzhen Fulian Fugui Precision Industry Co., Ltd.Inventors: Yen-Chun Fu, Tze-Chern Mao, Chao-Ke Wei, Chih-Hung Chang
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Publication number: 20220053671Abstract: A data center heat recovery system includes a building heat pump system providing a first liquid when an ambient temperature is lower than a first preset temperature, a heat exchanger receiving the first liquid from the building heat pump system when the ambient temperature is lower than the first preset temperature, and modular data centers. Each of the modular data centers includes an air chiller and a data center. Each of the modular data centers is coupled to the heat exchanger through a second pipeline containing a second fluid. When the ambient temperature is higher than a second preset temperature, the air chiller cools the second fluid. When the ambient temperature is lower than the first preset temperature, the heat exchanger collects heat from the second fluid, and the heat exchanger transports the collected heat to the building heat pump system through the first fluid in the first pipeline.Type: ApplicationFiled: January 14, 2021Publication date: February 17, 2022Inventors: YEN-CHUN FU, TZE-CHERN MAO, CHAO-KE WEI, CHIH-HUNG CHANG