Patents by Inventor Chih-yu Lee

Chih-yu Lee 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: 20250067954
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a first movable portion used for connecting an optical element, a fixed portion, a first driving assembly used for driving the first movable portion to rotate relative to the fixed portion, and a guiding assembly having a first intermediate element. The first movable portion is movable relative to the fixed portion. The guiding assembly is used for applying a first stabilized force to the first movable portion for making the first intermediate element be in contact with the first movable portion or the fixed portion. The first movable portion is rotatable relative to the fixed portion.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: Chih-Wei WENG, Chao-Chang HU, Yueh-Lin LEE, Chen-Hsien FAN, Chien-Yu KAO, Chia-Ching HSU, Sung-Mao TSAI, Sin-Jhong SONG
  • Patent number: 12224481
    Abstract: A semiconductor device package includes a substrate and an antenna module. The substrate has a first surface and a second surface opposite to the first surface. The antenna module is disposed on the first surface of the substrate with a gap. The antenna module has a support and an antenna layer. The support has a first surface facing away from the substrate and a second surface facing the substrate. The antenna layer is disposed on the first surface of the support. The antenna layer has a first antenna pattern and a first dielectric layer.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: February 11, 2025
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Cheng-Lin Ho, Chih-Cheng Lee, Chun Chen Chen, Yuanhao Yu
  • Patent number: 12222643
    Abstract: A method of manufacturing a semiconductor device includes forming a photoresist layer over a substrate. A first precursor and a second precursor are combined. The first precursor is an organometallic having a formula: MaRbXc, where M is one or more of Sn, Bi, Sb, In, and Te, R is one or more of a C7-C11 aralkyl group, a C3-C10 cycloalkyl group, a C2-C10 alkoxy group, and a C2-C10 alkylamino group, X is one or more of a halogen, a sulfonate group, and an alkylamino group, and 1?a?2, b?1, c?1, and b+c?4, and the second precursor is one or more of water, an amine, a borane, and a phosphine. The photoresist layer is selectively exposed to actinic radiation to form a latent pattern. The latent pattern is developed by applying a developer to the selectively exposed photoresist layer.
    Type: Grant
    Filed: October 22, 2022
    Date of Patent: February 11, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Cheng Liu, Ming-Hui Weng, Jr-Hung Li, Yahru Cheng, Chi-Ming Yang, Tze-Liang Lee, Ching-Yu Chang
  • Publication number: 20250030251
    Abstract: A cyclic power generation and storage system with dynamic battery switching capability is provided, comprising: a power supply modules, a driving module, a transmission module, a plurality of power generation modules, a control module, and a plurality of power storage modules. The present invention can dynamically switch in battery packs to provide a stable power to an electrical device, as well as, switch in a battery or battery pack for recharging with the power generated by the power generation modules. The power storage module having a power management unit, together with the control module, uses the detection result from the power detection unit of the power storage module to dynamically adjust the power generation, distribution, storage, and usage to improve the overall efficiency of the present invention.
    Type: Application
    Filed: July 19, 2023
    Publication date: January 23, 2025
    Inventor: CHIH-YU Lee
  • Patent number: 12206475
    Abstract: A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: January 21, 2025
    Assignee: MEDIATEK INC.
    Inventors: Shao-Yu Huang, Chih-Wei Chiu, Chih-Wei Lee
  • Publication number: 20250022945
    Abstract: Various embodiments of the present disclosure provide a semiconductor device structure. In one embodiment, the semiconductor device structure includes a first source/drain feature and a second source/drain feature, a plurality of semiconductor layers vertically stacked and disposed between the first and second source/drain features, a gate electrode layer surrounding a portion of each of the plurality of the semiconductor layers, and an interfacial layer (IL) disposed between the gate electrode layer and one of the plurality of the semiconductor layers, wherein a topmost semiconductor layer of the plurality of the semiconductor layers has a first length, and the IL has a second length greater than the first length.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 16, 2025
    Inventors: Chung-En TSAI, Sheng-Syun WONG, Cheng-Han LEE, Chih-Yu MA, Shih-Chieh CHANG
  • Patent number: 11621277
    Abstract: A joint level dielectric material layer is formed over a first alternating stack of first insulating layers and first spacer material layers. A first memory opening is formed with a tapered sidewall of the joint level dielectric material layer. A second alternating stack of second insulating layers and second spacer material layers is formed over the joint level dielectric material layer. An inter-tier memory opening is formed, which includes a volume of an second memory opening that extends through the second alternating stack and a volume of the first memory opening. A memory film and a semiconductor channel are formed in the inter-tier memory opening with respective tapered portions overlying the tapered sidewall of the joint level dielectric material layer.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: April 4, 2023
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Monica Titus, Zhixin Cui, Senaka Kanakamedala, Yao-Sheng Lee, Chih-Yu Lee
  • Patent number: 11165283
    Abstract: A power supply device includes: a plurality of resonant coils each having a resonant portion and a power transmission portion electrically connected to the resonant portion, the resonance portion receives electromagnetic waves of a different frequency, and converts electromagnetic waves of different frequencies into electric energy; and a power converting unit electrically connected to the power transmission portion to receive the electrical energy from the power transmission portion, and storing the electrical energy. A user uses the resonant coil to generate power by the resonance of the resonant coil with the electromagnetic waves in natural environment, and the power is stored in the power converting unit. The electric power converting unit does not need to store electricity through the power source, and only needs to use the electromagnetic waves in the environment to generate electrical energy, which facilitates the user to store electricity in the power converting unit.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 2, 2021
    Inventor: Chih-Yu Lee
  • Publication number: 20210066347
    Abstract: A joint level dielectric material layer is formed over a first alternating stack of first insulating layers and first spacer material layers. A first memory opening is formed with a tapered sidewall of the joint level dielectric material layer. A second alternating stack of second insulating layers and second spacer material layers is formed over the joint level dielectric material layer. An inter-tier memory opening is formed, which includes a volume of an second memory opening that extends through the second alternating stack and a volume of the first memory opening. A memory film and a semiconductor channel are formed in the inter-tier memory opening with respective tapered portions overlying the tapered sidewall of the joint level dielectric material layer.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Inventors: Monica Titus, Zhixin Cui, Senaka Kanakamedala, Yao-Sheng Lee, Chih-Yu Lee
  • Publication number: 20200203996
    Abstract: A power supply device includes: a plurality of resonant coils each having a resonant portion and a power transmission portion electrically connected to the resonant portion, the resonance portion receives electromagnetic waves of a different frequency, and converts electromagnetic waves of different frequencies into electric energy; and a power converting unit electrically connected to the power transmission portion to receive the electrical energy from the power transmission portion, and storing the electrical energy. A user uses the resonant coil to generate power by the resonance of the resonant coil with the electromagnetic waves in natural environment, and the power is stored in the power converting unit. The electric power converting unit does not need to store electricity through the power source, and only needs to use the electromagnetic waves in the environment to generate electrical energy, which facilitates the user to store electricity in the power converting unit.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Inventor: Chih-Yu LEE
  • Patent number: 10589634
    Abstract: A battery electric vehicle provided in the present invention comprises a vehicle body having wheels, an electric motor, an electric generator, and an electricity management device. The electric motor and the electric generator are connected to different wheels of the vehicle body respectively. The electric generator generates electricity by converting the rotational kinetic energy of the wheel into electrical energy. The electricity management device includes a management and controlling member, a detecting member, and a plurality of battery packs. The management and controlling member controls at least one of the battery packs to provide electricity to the electric motor by electrically connecting the electric motor, while the management and controlling member controls at least one battery pack of other battery packs to be charged by receiving the electricity generated by means of electrically connecting to the electric generator.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: March 17, 2020
    Assignee: LINENG-TECH CORPORATION
    Inventor: Chih-Yu Lee
  • Publication number: 20180331117
    Abstract: A joint level dielectric material layer is formed over a first alternating stack of first insulating layers and first spacer material layers. A first memory opening is formed with a tapered sidewall of the joint level dielectric material layer. A second alternating stack of second insulating layers and second spacer material layers is formed over the joint level dielectric material layer. An inter-tier memory opening is formed, which includes a volume of an second memory opening that extends through the second alternating stack and a volume of the first memory opening. A memory film and a semiconductor channel are formed in the inter-tier memory opening with respective tapered portions overlying the tapered sidewall of the joint level dielectric material layer.
    Type: Application
    Filed: May 12, 2017
    Publication date: November 15, 2018
    Inventors: Monica TITUS, Zhixin CUI, Senaka KANAKAMEDALA, Yao-Sheng LEE, Chih-Yu LEE
  • Publication number: 20170210242
    Abstract: A battery electric vehicle provided in the present invention comprises a vehicle body having wheels, an electric motor, an electric generator, and an electricity management device. The electric motor and the electric generator are connected to different wheels of the vehicle body respectively. The electric generator generates electricity by converting the rotational kinetic energy of the wheel into electrical energy. The electricity management device includes a management and controlling member, a detecting member, and a plurality of battery packs. The management and controlling member controls at least one of the battery packs to provide electricity to the electric motor by electrically connecting the electric motor, while the management and controlling member controls at least one battery pack of other battery packs to be charged by receiving the electricity generated by means of electrically connecting to the electric generator.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 27, 2017
    Applicant: LINENG-TECH CORPORATION
    Inventor: Chih-Yu LEE
  • Patent number: 9605394
    Abstract: A road automatically dividing apparatus comprises a ground-embedded base, a telescopic tube set, an illuminating device, and a driving device. The ground-embedded base includes an accommodating space and an upper opening. The telescopic tube set, disposed in the accommodating space, includes a plurality of translucent column tubes which are connected telescopically and are relatively slidable in such a manner that each translucent column tube is converted between an expanding position and a collapsing position. The expanding position allows each translucent column tube expand from the neighboring one by sliding relatively to each other. The illuminating device is for emitting light penetrating the telescopic tube set. The driving device is configured to drive the telescopic tube set such that the telescopic tube set expands and collapses between the expanding position and the collapsing position.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: March 28, 2017
    Assignee: LINENG-TECH CORPORATION
    Inventor: Chih-Yu Lee
  • Publication number: 20170067216
    Abstract: A road automatically dividing apparatus comprises a ground-embedded base, a telescopic tube set, an illuminating device, and a driving device. The ground-embedded base includes an accommodating space and an upper opening. The telescopic tube set, disposed in the accommodating space, includes a plurality of translucent column tubes which are connected telescopically and are relatively slidable in such a manner that each translucent column tube is converted between an expanding position and a collapsing position. The expanding position allows each translucent column tube expand from the neighboring one by sliding relatively to each other. The illuminating device is for emitting light penetrating the telescopic tube set. The driving device is configured to drive the telescopic tube set such that the telescopic tube set expands and collapses between the expanding position and the collapsing position.
    Type: Application
    Filed: January 11, 2016
    Publication date: March 9, 2017
    Inventor: Chih-Yu Lee
  • Patent number: 8692824
    Abstract: The invention discloses a driving apparatus for driving an LCD. The driving apparatus comprises a voltage control unit, an operating unit, a resistance unit, and a voltage selection unit. The operating unit comprises two sets of buffers formed by a plurality of operational amplifiers in negative feedback circuit. The two sets of buffers selectively receive positive polarity voltages and negative polarity voltages respectively. The voltage selection unit is provided with the positive polarity voltages and negative polarity voltages through the operating unit and the resistance unit. The voltage selection unit selectively provides the pixels of the LCD with the positive polarity voltage and the negative polarity voltage. Accordingly, each of the pixels is provided either with the positive polarity voltages or the negative polarity voltages by one of the two sets of buffers.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: April 8, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: Yong-Nien Rao, Yu-Lung Lo, Chih-Yu Lee
  • Patent number: 7656203
    Abstract: A receiving circuit is provided for receiving a data signal and a clock signal, which are RSDS signals, and outputting an output data signal to a data driver. The receiving circuit includes a data comparator, a data intermediate circuit, a clock comparator, a clock intermediate, and a flip-flop. The data comparator, driven with a data bias current, receives the data signal, and outputs a compared data signal. The clock comparator, driven with a clock bias current, receives the clock signal, and outputs a compared clock signal. The flip-flop receives the compared data signal via the data intermediate circuit and the compared clock signal via the clock intermediate circuit. The phase difference between the compared data signal and the compared clock signal is improved by adjusting the data and the clock bias currents.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: February 2, 2010
    Assignee: Raydium Semiconductor Corporation
    Inventors: Chih-Yu Lee, Yong-Nien Rao, Ko-Yang Tso, Hui-Wen Miao, Chin-Chieh Chao
  • Publication number: 20090141016
    Abstract: The invention discloses a driving apparatus for driving an LCD. The driving apparatus comprises a voltage control unit, an operating unit, a resistance unit, and a voltage selection unit. The operating unit comprises two sets of buffers formed by a plurality of operational amplifiers in negative feedback circuit. The two sets of buffers selectively receive positive polarity voltages and negative polarity voltages respectively. The voltage selection unit is provided with the positive polarity voltages and negative polarity voltages through the operating unit and the resistance unit. The voltage selection unit selectively provides the pixels of the LCD with the positive polarity voltage and the negative polarity voltage. Accordingly, each of the pixels is provided either with the positive polarity voltages or the negative polarity voltages by one of the two sets of buffers.
    Type: Application
    Filed: October 30, 2008
    Publication date: June 4, 2009
    Inventors: Yong-Nien Rao, Yu-Lung Lo, Chih-Yu Lee
  • Publication number: 20080253482
    Abstract: A receiving circuit is provided for receiving a data signal and a clock signal, which are RSDS signals, and outputting an output data signal to a data driver. The receiving circuit includes a data comparator, a data intermediate circuit, a clock comparator, a clock intermediate, and a flip-flop. The data comparator, driven with a data bias current, receives the data signal, and outputs a compared data signal. The clock comparator, driven with a clock bias current, receives the clock signal, and outputs a compared clock signal. The flip-flop receives the compared data signal via the data intermediate circuit and the compared clock signal via the clock intermediate circuit. The phase difference between the compared data signal and the compared clock signal is improved by adjusting the data and the clock bias currents.
    Type: Application
    Filed: March 3, 2008
    Publication date: October 16, 2008
    Applicant: Raydium Semiconductor Corporation
    Inventors: Chih-Yu Lee, Yong-Nien Rao, Ko-Yang Tso, Hui-Wen Miao, Chin-Chieh Chao
  • Patent number: 7402364
    Abstract: An alternating phase shift mask with dark loops thereon, a memory array fabricated with the alternating phase shift mask, and a method of fabricating the memory. The dark loops in the mask always separate first regions with 180° phase difference from second regions with 0° phase difference to define active areas or gate-lines in a DRAM chip. By using the alternating phase shift mask to pattern gate-lines or active areas in a DRAM array, no unwanted image is created in the DRAM array and only one exposure is needed to achieve high resolution requirement.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: July 22, 2008
    Assignee: Promos Technologies Inc.
    Inventors: Brian S. Lee, Chih-Yu Lee