Patents by Inventor Yen-Wei Liu
Yen-Wei Liu 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: 20250000229Abstract: A nail product curing system for curing nail products includes a housing having a nail treatment space configured to receive a hand of a user and to position one or more nails of the user, and one or more LED light sources on the housing for generating light in the nail treatment space for performing a curing process. The nail product curing system also includes a sensing and controlling system that includes touchless sensors on the housing configured to sense placement of the hand in the nail treatment space, and to control various parameters of the curing process using movement of the user's hands. The sensing and controlling system also includes a circuit board on the housing and a radio transmission controller in signal communication with the circuit board configured to control the LED light sources and the curing process using programmed instructions.Type: ApplicationFiled: June 30, 2023Publication date: January 2, 2025Applicant: TSLC CORPORATIONInventors: Po-Wei Lee, SHENG-HO LIU, YU-JU CHEN, YEN-CHAO LIN
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Publication number: 20240397673Abstract: A liquid cooling device comprises a cabinet, a liquid flowing unit, a liquid tray, and a liquid sensor. The cabinet is configured for containing an electronic component. The liquid flowing unit comprises a plurality of liquid delivery pieces connected and configured for circulating coolant to cool the electronic component. The liquid tray defines a confluence groove configured for gathering the coolant leaking from two connected ones of the plurality of liquid delivery pieces. The liquid sensor is placed in the confluence groove and is configured for sending a signal when contacting with the coolant. When the coolant leaks from two connected ones of the plurality of liquid delivery pieces then drops on the liquid tray and flows into the confluence groove by gravity, the liquid sensor contacts with the coolant in the confluence groove and sends the signal. A server with the liquid cooling device is also disclosed.Type: ApplicationFiled: May 15, 2024Publication date: November 28, 2024Inventors: YU-CHIA TING, CHIA-NAN PAI, TSUNG-LIN LIU, YEN-LU CHENG, CHUANG-WEI TSENG, HAO-WEN CHENG
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Publication number: 20240379796Abstract: A semiconductor device includes a plurality of active region structures that each protrude upwards in a vertical direction. The active region structures each extend in a first horizontal direction. The active region structures are separated from one another in a second horizontal direction different from the first horizontal direction. A gate structure is disposed over the active region structures. The gate structure extends in the second horizontal direction. The gate structure partially wraps around each of the active region structures. A conductive capping layer is disposed over the gate structure. A gate via is disposed over the conductive capping layer. A dimension of the conductive capping layer measured in the second horizontal direction is substantially greater than a maximum dimension of the gate via measured in the second horizontal direction.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Inventors: Chia-Wei Chen, Wei Cheng Hsu, Hui-Chi Chen, Jian-Hao Chen, Kuo-Feng Yu, Shih-Hang Chiu, Wei-Cheng Wang, Kuan-Ting Liu, Yen-Ju Chen, Chun-Chih Cheng, Wei-Chen Hsiao
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Patent number: 12107500Abstract: A power converter device includes a converter circuit, a detector circuitry, an energy distribution logic circuit, and a ramp generator circuit. The converter circuit is configured to switch charging paths and discharging paths of an inductor according to switching signals, in order to generate output voltages. The detector circuitry is configured to generate error signals according to the output voltages and reference voltages, and respectively compare the error signals with ramp signals, in order to generate decision signals. The energy distribution logic circuit is configured to generate the switching signals and control signals according to the plurality of decision signals. The ramp generator circuit is configured to generate the ramp signals according to the control signals, in which a starting time of each of the ramp signals is different from each other.Type: GrantFiled: May 23, 2022Date of Patent: October 1, 2024Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Yen-Wei Liu, Tsung-Yen Tsai, Wen-Hau Yang
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Publication number: 20240312901Abstract: An interconnect structure including a contact via in an interlayer dielectric, a first conductive feature in a first dielectric layer, the first dielectric layer over the interlayer dielectric, a first liner in the first dielectric layer, the first liner comprising a first part in contact with a sidewall surface of the first conductive feature, and a second part in contact with a bottom surface of the first conductive feature. The interconnect structure includes a first cap layer in contact with a top surface of the first conductive feature, a second conductive feature in a second dielectric layer, the second dielectric layer over the first dielectric layer, a second liner in the second dielectric layer, wherein the first and second conductive features comprise a first conductive material, and the contact via, first liner, first cap layer, and second liner comprise a second conductive material chemically different than the first conductive material.Type: ApplicationFiled: July 12, 2023Publication date: September 19, 2024Inventors: Chien CHANG, Yen-Chun LIN, Jen-Wei LIU, Chih-Han TSENG, Harry CHIEN, Cheng-Hui WENG, Chun-Chieh LIN, Hung-Wen SU, Ming-Hsing TSAI, Chih-Wei CHANG
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Publication number: 20240313067Abstract: A semiconductor structure includes a substrate and a semiconductor channel layer over the substrate. The semiconductor structure includes a high-k gate dielectric layer over the semiconductor channel layer, a work function metal layer over the high-k gate dielectric layer, and a bulk metal layer over the work function metal layer. The work function metal layer includes a first portion and a second portion over the first portion. Both the first portion and the second portion are conductive. Materials included in the second portion are also included in the first portion. The first portion is doped with silicon at a first dopant concentration, and the second portion is not doped with silicon or is doped with silicon at a second dopant concentration lower than the first dopant concentration.Type: ApplicationFiled: May 20, 2024Publication date: September 19, 2024Inventors: Yen-Tien Tung, Szu-Wei Huang, Zhi-Ren Xiao, Yin-Chuan Chuang, Yung-Chien Huang, Kuan-Ting Liu, Tzer-Min Shen, Chung-Wei Wu, Zhiqiang Wu
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Patent number: 12094948Abstract: A semiconductor device includes a plurality of active region structures that each protrude upwards in a vertical direction. The active region structures each extend in a first horizontal direction. The active region structures are separated from one another in a second horizontal direction different from the first horizontal direction. A gate structure is disposed over the active region structures. The gate structure extends in the second horizontal direction. The gate structure partially wraps around each of the active region structures. A conductive capping layer is disposed over the gate structure. A gate via is disposed over the conductive capping layer. A dimension of the conductive capping layer measured in the second horizontal direction is substantially greater than a maximum dimension of the gate via measured in the second horizontal direction.Type: GrantFiled: September 3, 2021Date of Patent: September 17, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chia-Wei Chen, Wei Cheng Hsu, Hui-Chi Chen, Jian-Hao Chen, Kuo-Feng Yu, Shih-Hang Chiu, Wei-Cheng Wang, Kuan-Ting Liu, Yen-Ju Chen, Chun-Chih Cheng, Wei-Chen Hsiao
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Publication number: 20240255977Abstract: A circuit includes a voltage divider circuit configured to generate a feedback voltage according to an output voltage, an operational amplifier configured to output a driving signal according to the feedback voltage and a reference voltage and a pass gate circuit including multiple current paths. The current paths are controlled by the driving signal and connected in parallel between the voltage divider circuit and a power reference node.Type: ApplicationFiled: April 11, 2024Publication date: August 1, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Huan-Neng CHEN, Yen-Lin LIU, Chia-Wei HSU, Jo-Yu WU, CHANG-FEN HU, Shao-Yu LI, Bo-Ting CHEN
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Publication number: 20240120333Abstract: A group III-N based semiconductor 3D integrated circuit that directly stacks a thin-film transistor on a group III-N based transistor is provided. Since the group III-N based semiconductor 3D integrated circuit integrates the group III-N based transistor and the thin-film transistor without performing a packaging process, the group III-N based semiconductor 3D integrated circuit can reduce the packaging cost and have better circuit performance and reliability.Type: ApplicationFiled: December 27, 2022Publication date: April 11, 2024Inventors: TIAN-LI WU, YEN-WEI LIU
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Publication number: 20230371149Abstract: An LED driver includes an operational amplifier (OP), N current driving circuits, and a resistor circuit. The OP compares a reference voltage with a feedback voltage to generate a control voltage. Each current driving circuit is coupled with an LED, and includes: an NMOS transistor including a drain, a source, and a gate, and being turned on according to the control voltage in an enablement mode and turned off according to the voltage of a ground terminal in a disablement mode, wherein the drain is coupled with the LED and the voltage at the source is the feedback voltage; and a switch circuit coupling the OP with the gate in the enablement mode, and coupling the ground terminal with the gate in the disablement mode. The resistor circuit is coupled between the source and the ground terminal and controls the current passing through the N current driving circuits.Type: ApplicationFiled: April 10, 2023Publication date: November 16, 2023Inventor: YEN-WEI LIU
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Patent number: 11779825Abstract: A martial arts training equipment includes a base mount, a post upwardly extending from the base mount, an elastic branch tube including a post sleeve sleeved onto the post, and at least one branch sleeve extending from the post sleeve, and at least one rod having an end inserted into or sleeved onto the at least one branch sleeve. Compared to the conventional Wooden Man Post, the martial arts training equipment is lightweight and convenient for carry and transportation, and the portion of the martial arts training equipment to be punched or kicked by a user is provided with satisfied buffering cushion and elasticity so as to prevent the user from uncomfortable feeling, and no bothersome noise will produce during training.Type: GrantFiled: January 10, 2022Date of Patent: October 10, 2023Inventor: Inez Yen Wei Liu
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Publication number: 20230218966Abstract: A martial arts training equipment includes a base mount, a post upwardly extending from the base mount, an elastic branch tube including a post sleeve sleeved onto the post, and at least one branch sleeve extending from the post sleeve, and at least one rod having an end inserted into or sleeved onto the at least one branch sleeve. Compared to the conventional Wooden Man Post, the martial arts training equipment is lightweight and convenient for carry and transportation, and the portion of the martial arts training equipment to be punched or kicked by a user is provided with satisfied buffering cushion and elasticity so as to prevent the user from uncomfortable feeling, and no bothersome noise will produce during training.Type: ApplicationFiled: January 10, 2022Publication date: July 13, 2023Inventor: Inez Yen Wei LIU
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Publication number: 20230034030Abstract: An IC layout of a pre-driving circuit, comprising: a plurality of type one transistor regions, having a density smaller than a predetermined level; and a type two bulk region, surrounding the type one transistor regions.Type: ApplicationFiled: July 25, 2022Publication date: February 2, 2023Applicant: Realtek Semiconductor Corp.Inventors: Han-Hsin Wu, Tay-Her Tsaur, Yen-Wei Liu
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Publication number: 20220385185Abstract: A power converter device includes a converter circuit, a detector circuitry, an energy distribution logic circuit, and a ramp generator circuit. The converter circuit is configured to switch charging paths and discharging paths of an inductor according to switching signals, in order to generate output voltages. The detector circuitry is configured to generate error signals according to the output voltages and reference voltages, and respectively compare the error signals with ramp signals, in order to generate decision signals. The energy distribution logic circuit is configured to generate the switching signals and control signals according to the plurality of decision signals. The ramp generator circuit is configured to generate the ramp signals according to the control signals, in which a starting time of each of the ramp signals is different from each other.Type: ApplicationFiled: May 23, 2022Publication date: December 1, 2022Inventors: YEN-WEI LIU, TSUNG-YEN TSAI, WEN-HAU YANG
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Publication number: 20220360256Abstract: A ramp signal calibration device includes a ramp generator circuit, a detector circuitry, and a calibration circuit. The ramp generator circuit is configured to output a ramp signal according to a set signal and a calibration signal. The detector circuitry is configured to detect the ramp signal or at least one pulse signal associated with the ramp signal, in order to generate at least one control signal. The calibration circuit is configured to generate a calibration signal in response to the at least one control signal, in order to adjust at least one of a falling slope or a rising slope of the ramp signal, or to adjust a duty cycle of the at least one pulse signal.Type: ApplicationFiled: April 28, 2022Publication date: November 10, 2022Inventors: YEN-WEI LIU, TSUNG-YEN TSAI, WEN-HAU YANG
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Patent number: 11000815Abstract: An automatic mixing machine includes a vessel, a shell, a motor, a mixing unit, a detection and feedback unit, a computing control unit and a drive unit. The shell is connected with the vessel to form a closed space. The motor is arranged in the shell. The first end of the mixing unit is connected with the motor, and the second end of the mixing unit extends into the closed space. The detection and feedback unit is electrically connected with the motor and collects at least one electric parameter of the motor. The computing control unit is electrically connected with the detection and feedback unit and generates a control signal according to the electric parameters and the mixing parameters. The drive unit is electrically connected with the computing control unit and the motor respectively, and outputs a drive signal to drive the motor according to the control signal.Type: GrantFiled: November 18, 2019Date of Patent: May 11, 2021Assignee: JU WORKS LTD.Inventors: Chun-Chieh Lee, Yen-Wei Liu, Hsun-Chang Wang, Yu-Ming Chan
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Publication number: 20200156030Abstract: An automatic mixing machine including a vessel, a shell, a motor, a mixing unit, a detection and feedback unit, a computing control unit and a drive unit. The vessel is used for accommodating the raw materials. The shell is connected with the vessel to form a closed space. The motor is arranged in the shell. The first end of the mixing unit is connected with the motor, and the second end extends into the closed space. The detection and feedback unit is electrically connected with the motor and collects at least one electric parameter of the motor. The computing control unit is electrically connected with the detection and feedback unit and generates a control signal according to the electric parameters and the mixing parameters. The drive unit is electrically connected with the computing control unit and the motor respectively, and outputs a drive signal to drive the motor according to the control signal.Type: ApplicationFiled: November 18, 2019Publication date: May 21, 2020Applicant: JU WORKS LTD.Inventors: CHUN-CHIEH LEE, YEN-WEI LIU, HSUN-CHANG WANG, YU-MING CHAN
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Publication number: 20160336354Abstract: A display panel includes an active device array substrate, an opposite substrate, a display medium and a sealant. The active device array substrate includes a substrate, an active device array, a passivation layer and an enhancement layer. A material of the enhancement layer is different from a material of the passivation layer. The opposite substrate is disposed opposite to the active device array substrate. The display medium is disposed between the active device array substrate and the opposite substrate. The sealant is disposed between the active device array substrate and the opposite substrate and surrounds the display medium. An end of the sealant directly contacts the enhancement layer, and a material of the enhancement layer is the same as a material of the sealant.Type: ApplicationFiled: July 21, 2015Publication date: November 17, 2016Inventors: Yi-Wen Chiu, Yen-Wei Liu, Ji-Yi Chiou, Ming-Hsiang Lai, Sheng-Fa Liu, Ching-Yu Huang, Yi-Fan Niu
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Publication number: 20160052250Abstract: A frit encapsulation apparatus includes a carriage, a mask, a laser light source and a pressure element. The carriage is disposed over a first substrate. The mask is disposed in the carriage and has a light-transmitting region. The laser light source is disposed in the carriage and over the mask and is configured to provide laser light through the light-transmitting region of the mask and the first substrate therebeneath to heat the frit beneath the first substrate. The pressure element is disposed beneath the carriage and is configured to provide a pressure to the first substrate, such that the first substrate is adhered to a second substrate by the heated frit, in which the pressure element is not overlapped with a vertical projection of the light-transmitting region on the first substrate.Type: ApplicationFiled: October 29, 2014Publication date: February 25, 2016Inventors: Yi-Wen Chiu, Sheng-Fa Liu, Ji-Yi Chiou, Ching-Yu Huang, Ming-Hsiang Lai, Yen-Wei Liu
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Patent number: 6152794Abstract: A swim fin molded from flexible material such as rubber or plastics, having a foot pocket and a blade formed integral with the foot pocket, wherein the foot pocket has a sloping upper face and a slopping sole respectively sloping from the heel thereof toward the blade; the blade forwardly extends from front and two opposite lateral sides of the foot pocket and terminates in a forked end, having a thin middle portion, two thick side portions at two opposite lateral sides of the thin middle portion, two side rails respectively formed integral with the thick side portions at an outer side, and a plurality of ribs respectively formed at top and bottom side walls thereof.Type: GrantFiled: May 14, 1999Date of Patent: November 28, 2000Inventor: Yen-Wei Liu