Patents by Inventor Li Tsai
Li Tsai 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).
-
Publication number: 20250237256Abstract: A fastener and a toilet seat with the same are provided. The fastener includes a base, two upper holding boards on the base, two stopping levers inserted through the upper holding boards, two elastic expansion parts mounted to the stopping levers, two thread engaging members threaded to the stopping levers, and at least one stopping plate pivotally connected to the stopping lever and rotated between a loose position and a tight position. The toilet seat includes a fastener, a seat pivotally connected to the base, and a lid. When the stopping plate is at the loose position, the thread engaging member, the elastic expansion part, and the stopping lever are allowed to insert through an installation hole of a toilet base. While at the tight position, the stopping lever with the thread engaging member are driven to squeeze the elastic expansion part toward the upper holding board.Type: ApplicationFiled: January 13, 2025Publication date: July 24, 2025Inventors: Chun-Hung Li, Chun-Yi Tu, Jiun-Li Tsai, Chu-Cheng Chu
-
Patent number: 12332712Abstract: A method of updating power firmware is applied to update power firmware when a power supply is powered. The method is executed by a microcontroller of the power supply, and the method includes steps of: planning a memory space in the microcontroller as a first space and a second space, wherein the first space stores a first program currently executing the power supply required by the power supply, emptying the second space before the power firmware is updated, writing a second program stored in a management system into the second space, switching the second space to the first space to complete updating the power firmware after the second program is completely written into the second space, and continuously outputting working power.Type: GrantFiled: June 20, 2023Date of Patent: June 17, 2025Assignee: FSP TECHNOLOGY INC.Inventor: Chien-Li Tsai
-
Patent number: 12323683Abstract: A sensing device is provided herein, which operates in a reset period, an exposure period, and a readout period. The sensing device includes a first transistor, a second transistor, a detection device, and a third transistor. The first transistor includes a control terminal and a first terminal. The second transistor is coupled to the first transistor and configured to set the voltage of the control terminal during the exposure period. The sensing device is coupled to the first transistor and configured to change the voltage of the control terminal during the exposure period. The third transistor is coupled to the first transistor and includes an output terminal outputting a sense signal from the first terminal during the readout period. The first transistor is an N-type transistor and the third transistor is a P-type transistor.Type: GrantFiled: October 28, 2022Date of Patent: June 3, 2025Assignee: INNOLUX CORPORATIONInventors: Ya-Li Tsai, Hui-Ching Yang, Yang-Jui Huang, Te-Yu Lee
-
Publication number: 20250161998Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.Type: ApplicationFiled: January 18, 2025Publication date: May 22, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Bo Chen CHEN, Sheng-Wei Wu, Yung-Li TSAI
-
Patent number: 12257610Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.Type: GrantFiled: January 26, 2024Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo Chen Chen, Sheng-Wei Wu, Yung-Li Tsai
-
Publication number: 20240363377Abstract: In an embodiment, a system includes: a wafer support configured to secure a wafer; a nozzle configured to dispense a liquid or a gas on the wafer when the nozzle is in an active state of dispensing; a shutter configured to catch the liquid from the nozzle when the shutter is in a first position below the nozzle; and a shutter actuator configured to: move the shutter to the first position in response to the nozzle not being in an inactive state; move the shutter to a second position away from the first position in response to the nozzle being in the active state.Type: ApplicationFiled: July 9, 2024Publication date: October 31, 2024Inventors: Tsui-Wei WANG, Yung-Li TSAI, Chui-Ya PENG
-
Publication number: 20240304481Abstract: The present disclosure relates to a contamination controlled semiconductor processing system. The contamination controlled semiconductor processing system includes a processing chamber, a contamination detection system, and a contamination removal system. The processing chamber is configured to process a wafer. The contamination detection system is configured to determine whether a contamination level on a surface of the door is greater than a baseline level. The contamination removal system is configured to remove contaminants from the surface of the door in response to the contamination level being greater than the baseline level.Type: ApplicationFiled: May 16, 2024Publication date: September 12, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Bo Chen CHEN, Sheng-Wei Wu, Yung-Li Tsai
-
Patent number: 12068179Abstract: In an embodiment, a system includes: a wafer support configured to secure a wafer; a nozzle configured to dispense a liquid or a gas on the wafer when the nozzle is in an active state of dispensing; a shutter configured to catch the liquid from the nozzle when the shutter is in a first position below the nozzle; and a shutter actuator configured to: move the shutter to the first position in response to the nozzle not being in an inactive state; move the shutter to a second position away from the first position in response to the nozzle being in the active state.Type: GrantFiled: May 5, 2022Date of Patent: August 20, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tsui-Wei Wang, Yung-Li Tsai, Chui-Ya Peng
-
Publication number: 20240234610Abstract: A multi junction solar cell structure includes a first sub-cell, a first tunnel diode layer, a second tunnel diode layer, a second sub-cell, a lattice gradient buffer layer and a third sub-cell. The first sub-cell includes a first surface and a second surface opposite to the first surface. The first tunnel diode layer is formed on the first surface of the first sub-cell. The second sub-cell is formed on the first tunnel diode layer. The second tunnel diode layer is formed on the second surface of the first sub-cell. The lattice gradient buffer layer is formed on the second tunnel diode. The third sub-cell is formed on the lattice gradient buffer layer. This disclosure also contains a method for manufacturing the above-mentioned multi-junction solar cell.Type: ApplicationFiled: April 20, 2023Publication date: July 11, 2024Inventors: YU-LI TSAI, Chih-Hung Wu
-
Patent number: 12020964Abstract: The present disclosure relates to a contamination controlled semiconductor processing system. The contamination controlled semiconductor processing system includes a processing chamber, a contamination detection system, and a contamination removal system. The processing chamber is configured to process a wafer. The contamination detection system is configured to determine whether a contamination level on a surface of the door is greater than a baseline level. The contamination removal system is configured to remove contaminants from the surface of the door in response to the contamination level being greater than the baseline level.Type: GrantFiled: March 21, 2022Date of Patent: June 25, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo Chen Chen, Sheng-Wei Wu, Yung-Li Tsai
-
Patent number: 11990761Abstract: A power supply system with current sharing includes a current sharing bus, a plurality of power supply units, and a plurality of controllers. The power supply units are connected to each other through the current sharing bus. Each power supply unit provides a current sharing signal value to the current sharing bus, and provides an output current to a load. Each controller receives current sharing signal values provided from other power supply units and current signal values corresponding to the output currents. When determining that the current signal value is less than a reference current sharing signal value, the controller increases an output voltage of the power supply unit to increase the output current. Otherwise, the controller decreases the output voltage to decrease the output current so that so that the output currents of the power supply units are shared to supply power to the load.Type: GrantFiled: November 10, 2022Date of Patent: May 21, 2024Assignee: FSP TECHNOLOGY INC.Inventors: Chien-Li Tsai, Chih-Fan Lin, Chih-Hsien Hsieh
-
Publication number: 20240157412Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.Type: ApplicationFiled: January 26, 2024Publication date: May 16, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Bo Chen CHEN, Sheng-Wei Wu, Yung-Li Tsai
-
Publication number: 20240136459Abstract: A multi junction solar cell structure includes a first sub-cell, a first tunnel diode layer, a second tunnel diode layer, a second sub-cell, a lattice gradient buffer layer and a third sub-cell. The first sub-cell includes a first surface and a second surface opposite to the first surface. The first tunnel diode layer is formed on the first surface of the first sub-cell. The second sub-cell is formed on the first tunnel diode layer. The second tunnel diode layer is formed on the second surface of the first sub-cell. The lattice gradient buffer layer is formed on the second tunnel diode. The third sub-cell is formed on the lattice gradient buffer layer. This disclosure also contains a method for manufacturing the above-mentioned multi-junction solar cell.Type: ApplicationFiled: April 19, 2023Publication date: April 25, 2024Inventors: YU-LI TSAI, Chih-Hung Wu
-
Patent number: 11958090Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.Type: GrantFiled: July 28, 2022Date of Patent: April 16, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo Chen Chen, Sheng-Wei Wu, Yung-Li Tsai
-
Patent number: 11941210Abstract: A detection circuit is provided herein, which includes a first transistor, a second transistor, a third transistor, a light sensor, a capacitor, and a fourth transistor. The first transistor has a control terminal, a first terminal, and a second terminal. The second transistor is coupled to the control terminal. The third transistor is coupled to the control terminal and the second terminal. The light sensor is coupled to the control terminal. The capacitor is coupled to the control terminal. The fourth transistor is coupled to the second terminal.Type: GrantFiled: November 21, 2022Date of Patent: March 26, 2024Assignee: INNOLUX CORPORATIONInventors: Ya-Li Tsai, Hui-Ching Yang, Yang-Jui Huang, Te-Yu Lee
-
Publication number: 20240019919Abstract: A method of updating power firmware is applied to update power firmware when a power supply is powered. The method is executed by a microcontroller of the power supply, and the method includes steps of: planning a memory space in the microcontroller as a first space and a second space, wherein the first space stores a first program currently executing the power supply required by the power supply, emptying the second space before the power firmware is updated, writing a second program stored in a management system into the second space, switching the second space to the first space to complete updating the power firmware after the second program is completely written into the second space, and continuously outputting working power.Type: ApplicationFiled: June 20, 2023Publication date: January 18, 2024Inventor: Chien-Li TSAI
-
Publication number: 20230336001Abstract: A power supply system with current sharing includes a current sharing bus, a plurality of power supply units, and a plurality of controllers. The power supply units are connected to each other through the current sharing bus. Each power supply unit provides a current sharing signal value to the current sharing bus, and provides an output current to a load. Each controller receives current sharing signal values provided from other power supply units and current signal values corresponding to the output currents. When determining that the current signal value is less than a reference current sharing signal value, the controller increases an output voltage of the power supply unit to increase the output current. Otherwise, the controller decreases the output voltage to decrease the output current so that so that the output currents of the power supply units are shared to supply power to the load.Type: ApplicationFiled: November 10, 2022Publication date: October 19, 2023Inventors: Chien-Li TSAI, Chih-Fan LIN, Chih-Hsien HSIEH
-
Patent number: 11770637Abstract: A sensing device, including a plurality of sensing pixels arranged in Y rows and M columns, a plurality of readout lines coupled to the sensing pixels, and a plurality of control lines each coupled to a sensing pixel subset, is provided. The Y times N sensing pixels within the sensing pixel subset are arranged in adjacent N columns, where Y, M and N are integers and N is smaller than M. Each of the control lines is configured to control one row of the sensing pixel subset to output signals through corresponding readout lines.Type: GrantFiled: March 7, 2022Date of Patent: September 26, 2023Assignee: INNOLUX CORPORATIONInventors: Ya-Li Tsai, Tao-Sheng Chang, Hui-Ching Yang, Te-Yu Lee
-
Patent number: 11766703Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.Type: GrantFiled: August 6, 2019Date of Patent: September 26, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo Chen Chen, Sheng-Wei Wu, Yung-Li Tsai
-
Publication number: 20230268353Abstract: An electronic device is provided. The electronic device includes a substrate, a first conductive layer disposed on the substrate, a planarization layer disposed on the first conductive layer, an electric element, and a second conductive layer disposed on the planarization layer. The first conductive layer and the second conductive layer include an output line and a control line, respectively. The electric element is used to produce a first signal. The electronic device further includes a switching element, which is used to receive the first signal and output the first signal to the output line according to a second signal of the control line. The output line and the control line partially overlap.Type: ApplicationFiled: January 12, 2023Publication date: August 24, 2023Inventors: Ya-Li TSAI, Hui-Ching YANG, Yang-Jui HUANG, Yu-Tsung LIU, Te-Yu LEE