Patents by Inventor Pei-Wei Chen

Pei-Wei Chen 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: 20240178112
    Abstract: A semiconductor package structure includes a semiconductor substrate, a conductive pad on the semiconductor substrate, and a passivation layer on the semiconductor substrate and the conductive pad. The passivation layer exposes a portion of the top surface of the conductive pad. The semiconductor package structure also includes a conductive adhesive layer on the conductive pad, and a dielectric layer on the passivation layer and the conductive adhesive layer. The dielectric layer exposes a portion of the conductive adhesive layer. The semiconductor package structure also includes a redistribution layer (RDL) structure on the dielectric layer and electrically connected to the conductive pad through the conductive adhesive layer. The semiconductor package structure also includes a bump structure over the RDL structure.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 30, 2024
    Inventors: Yu-Tung CHEN, Kuo-Lung FAN, Yen-Yao CHI, Nai-Wei LIU, Pei-Haw TSAO
  • Publication number: 20240178102
    Abstract: A package includes a frontside redistribution layer (RDL) structure, a semiconductor die on the frontside RDL structure, and a backside RDL structure on the semiconductor die including a first RDL, and a backside connector extending from a distal side of the first RDL and including a tapered portion having a width that decreases in a direction away from the first RDL, wherein the tapered portion includes a contact surface at an end of the tapered portion. A method of forming the package may include forming the backside redistribution layer (RDL) structure, attaching a semiconductor die to the backside RDL structure, forming an encapsulation layer around the semiconductor die on the backside RDL structure, and forming a frontside RDL structure on the semiconductor die and the encapsulation layer.
    Type: Application
    Filed: April 21, 2023
    Publication date: May 30, 2024
    Inventors: Chun-Ti LU, Hao-Yi TSAI, Chiahung LIU, Ken-Yu CHANG, Tzuan-Horng LIU, Chih-Hao CHANG, Bo-Jiun LIN, Shih-Wei CHEN, Pei-Rong NI, Hsin-Wei HUANG, Zheng GangTsai, Tai-You LIU, Steve SHIH, Yu-Ting HUANG, Steven SONG, Yu-Ching WANG, Tsung-Yuan YU, Hung-Yi KUO, CHung-Shi LIU, Tsung-Hsien CHIANG, Ming Hung TSENG, Yen-Liang LIN, Tzu-Sung HUANG, Chun-Chih CHUANG
  • Patent number: 11983848
    Abstract: Aspects of the disclosure provide a frame processor for processing frames with aliasing artifacts. For example, the frame processor can include a super-resolution (SR) and anti-aliasing (AA) engine and an attention reference frame generator coupled to the SR and AA engine. The SR and AA engine can be configured to enhance resolution and remove aliasing artifacts of a frame to generate a first high-resolution frame with aliasing artifacts and a second high-resolution frame with aliasing artifacts removed. The attention reference frame generator can be configured to generate an attention reference frame based on the first high-resolution frame and the second high-resolution frame.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: May 14, 2024
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Lung Jen, Pei-Kuei Tsung, Chih-Wei Chen, Yao-Sheng Wang, Shih-Che Chen, Yu-Sheng Lin, Chih-Wen Goo, Shih-Chin Lin, Tsung-Shian Huang, Ying-Chieh Chen
  • Publication number: 20240145798
    Abstract: A distributed battery management system, for managing a plurality of battery management units, wherein each of the battery management units, includes: a first battery cell, forming a charge-discharge connection at least with a second battery cell in a second battery management unit; a monitor circuit, monitoring a discharge process of the first battery cell via the charge-discharge connection, to record a discharge voltage time history of the first battery cell; and a calculation unit, calculating a real-time maximal energy storage capacity of the first battery cell, by an electrochemical equation calculated based on the discharge voltage time history and an electrical current time history of the first battery cell during the discharge process. The history of the real-time maximal energy storage capacity of the battery cell may be stored as an identity resume of the battery cell, in a battery resume record device.
    Type: Application
    Filed: May 1, 2023
    Publication date: May 2, 2024
    Applicant: Grace Connection Microelectronics Limited
    Inventor: Pei Wei Chen
  • Publication number: 20240096781
    Abstract: A package structure including a semiconductor die, a redistribution circuit structure and an electronic device is provided. The semiconductor die is laterally encapsulated by an insulating encapsulation. The redistribution circuit structure is disposed on the semiconductor die and the insulating encapsulation. The redistribution circuit structure includes a colored dielectric layer, inter-dielectric layers and redistribution conductive layers embedded in the inter-dielectric layers. The electronic device is disposed over the colored dielectric layer and electrically connected to the redistribution circuit structure.
    Type: Application
    Filed: March 20, 2023
    Publication date: March 21, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Ti Lu, Hao-Yi Tsai, Chia-Hung Liu, Yu-Hsiang Hu, Hsiu-Jen Lin, Tzuan-Horng Liu, Chih-Hao Chang, Bo-Jiun Lin, Shih-Wei Chen, Hung-Chun Cho, Pei-Rong Ni, Hsin-Wei Huang, Zheng-Gang Tsai, Tai-You Liu, Po-Chang Shih, Yu-Ting Huang
  • Publication number: 20240071767
    Abstract: A method includes removing a dummy gate stack to form a trench between gate spacers, depositing a gate dielectric extending into the trench, and performing a first treatment process on the gate dielectric. The first treatment process is performed using a fluorine-containing gas. A first drive-in process is then performed to drive fluorine in the fluorine-containing gas into the gate dielectric. The method further includes performing a second treatment process on the gate dielectric, wherein the second treatment process is performed using the fluorine-containing gas, and performing a second drive-in process to drive fluorine in the fluorine-containing gas into the gate dielectric. After the second drive-in process, conductive layers are formed to fill the trench.
    Type: Application
    Filed: January 6, 2023
    Publication date: February 29, 2024
    Inventors: Hsueh-Ju Chen, Chi On Chui, Tsung-Da Lin, Pei Ying Lai, Chia-Wei Hsu
  • Publication number: 20230023194
    Abstract: A switch control unit and optical control unit, including: a digital-to-analog converter, being switchable between being coupled to a first sensing unit and being coupled to a drive unit, through a common contact pad; a sensing contact pad, coupled to a second sensing unit; an analog-to-digital converter, for sensing voltages at the contact pads when coupled to the sensing units, wherein each of the sensing units has a minimum working voltage level; and a loop switching unit, coupled between the common contact pad, the analog-to-digital converter, and the sensing contact pad, wherein when the voltage at the common contact pad is substantially higher than the minimum working voltage level, the loop switching unit conducts the common contact pad to the analog-to-digital converter to sense the voltage at the common contact pad, and the digital-to-analog converter enters a high-impedance state such that the digital-to-analog converter does not sense the voltage at the common contact pad.
    Type: Application
    Filed: July 4, 2022
    Publication date: January 26, 2023
    Applicant: Grace Connection Microelectronics Limited
    Inventor: Pei Wei Chen
  • Patent number: 11418159
    Abstract: The present invention provides a differential signal offset adjustment circuit, wherein first and second transistors are respectively coupled between a power supply line and a first current source, and between the power supply line and a second current source. First and second resistors are respectively coupled between the first transistor and a first variable current source, and between the second transistor and a second variable current source. Third and fourth transistors are respectively coupled between a third resistor and a third current source, and between a fourth resistor and a fourth current source, and have input terminals respectively coupled to the first and second resistors. Fifth and sixth transistors are respectively coupled between the power supply line and a fifth current source, and between the power supply line and a sixth current source, and have input terminals respectively coupled to the third and fourth transistors.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: August 16, 2022
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Hsien-Ku Chen
  • Patent number: 11327098
    Abstract: During frequency detection, a constant current source outputs an output current to charge a variable capacitor for multi-period. In a calibration mode, according to a comparison result between a cross voltage of the variable capacitor and a reference voltage, a capacitance value of the variable capacitor is adjusted. In a monitor mode, according to a reference frequency and the cross voltage of the variable capacitor, a frequency under test of a circuit under test is detected.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: May 10, 2022
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Fang-Ren Liao
  • Patent number: 11177812
    Abstract: When digital input data disappear temporarily, within a counting period of the counter and pulse generator, an output voltage of the voltage generator rises, a threshold detector compares the output voltage of the voltage generator with a plurality of threshold values to generate a plurality of comparison results, and a logic gate unit generates a control signal according to the comparison results, to a charge pump, so that the charge pump controls the voltage-controlled oscillator to accelerate or decelerate.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 16, 2021
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Fang-Ren Liao, Po Huang Huang
  • Publication number: 20210328592
    Abstract: When digital input data disappear temporarily, within a counting period of the counter and pulse generator, an output voltage of the voltage generator rises, a threshold detector compares the output voltage of the voltage generator with a plurality of threshold values to generate a plurality of comparison results, and a logic gate unit generates a control signal according to the comparison results, to a charge pump, so that the charge pump controls the voltage-controlled oscillator to accelerate or decelerate.
    Type: Application
    Filed: November 24, 2020
    Publication date: October 21, 2021
    Applicant: Grace Connection Microelectronics Limited
    Inventors: Pei Wei CHEN, Fang-Ren Liao, Po Huang Huang
  • Publication number: 20210218378
    Abstract: The present invention provides a differential signal offset adjustment circuit, wherein first and second transistors are respectively coupled between a power supply line and a first current source, and between the power supply line and a second current source. First and second resistors are respectively coupled between the first transistor and a first variable current source, and between the second transistor and a second variable current source. Third and fourth transistors are respectively coupled between a third resistor and a third current source, and between a fourth resistor and a fourth current source, and have input terminals respectively coupled to the first and second resistors. Fifth and sixth transistors are respectively coupled between the power supply line and a fifth current source, and between the power supply line and a sixth current source, and have input terminals respectively coupled to the third and fourth transistors.
    Type: Application
    Filed: January 13, 2021
    Publication date: July 15, 2021
    Applicant: Grace Connection Microelectronics Limited
    Inventors: Pei Wei Chen, Hsien-Ku Chen
  • Publication number: 20210141008
    Abstract: During frequency detection, a constant current source outputs an output current to charge a variable capacitor for multi-period. In a calibration mode, according to a comparison result between a cross voltage of the variable capacitor and a reference voltage, a capacitance value of the variable capacitor is adjusted. In a monitor mode, according to a reference frequency and the cross voltage of the variable capacitor, a frequency under test of a circuit under test is detected.
    Type: Application
    Filed: November 3, 2020
    Publication date: May 13, 2021
    Applicant: Grace Connection Microelectronics Limited
    Inventors: PEI WEI CHEN, FANG-REN LIAO
  • Patent number: 10014830
    Abstract: The present invention presents a DC bias circuit including a first biasing circuit and a second biasing circuit. The first biasing circuit includes a first biasing transistor and a first biasing resistor for providing a first bias voltage to an output transistor of the mixer circuit. The first biasing transistor and the output transistor are the same type of transistor and have equal channel lengths. The second biasing circuit includes a second biasing transistor and a second biasing resistor for providing a second bias voltage to an input transistor of the common gate amplifier circuit. The second biasing transistor and the input transistor are the same type of transistor and have equal channel lengths. When the input transistor and the output transistor all operate in a saturation region, alternating current signals output from the mixer circuit is unrelated to a threshold voltage of the output transistor.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: July 3, 2018
    Assignee: Intel Corporation
    Inventors: Hsien-Ku Chen, Pei-Wei Chen
  • Publication number: 20160380599
    Abstract: The present invention presents a DC bias circuit including a first biasing circuit and a second biasing circuit. The first biasing circuit includes a first biasing transistor and a first biasing resistor for providing a first bias voltage to an output transistor of the mixer circuit. The first biasing transistor and the output transistor are the same type of transistor and have equal channel lengths. The second biasing circuit includes a second biasing transistor and a second biasing resistor for providing a second bias voltage to an input transistor of the common gate amplifier circuit. The second biasing transistor and the input transistor are the same type of transistor and have equal channel lengths. When the input transistor and the output transistor all operate in a saturation region, alternating current signals output from the mixer circuit is unrelated to a threshold voltage of the output transistor.
    Type: Application
    Filed: September 10, 2015
    Publication date: December 29, 2016
    Applicant: Intel Corporation
    Inventors: Hsien-Ku CHEN, Pei-Wei CHEN
  • Patent number: 9397714
    Abstract: The present invention presents a RF receiver circuit including an inductor-coupling single-ended input differential-output LNA, a mixer circuit, and a differential trans-impedance amplifier. The inductor-coupling single-ended input differential-output LNA includes a single-ended input, a balance-to-unbalance transformer, and an inductor-less differential LNA. The balance-to-unbalance transformer is used to transform the radio frequency signals into a plurality of differential-output first differential signals and includes a first inductor and a second inductor.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: July 19, 2016
    Assignee: Intel Corporation
    Inventors: Hsien-Ku Chen, Pei-Wei Chen
  • Patent number: 9274200
    Abstract: A frequency detection circuit includes a filter, a power detector and a voltage comparator. The filter receives and filters a converted signal to generate a filtered signal. The power of the filtered signal relates to a frequency of the converted signal. The power detector generates a voltage according to the power of the filtered signal. The voltage comparator compares the voltage with multiple reference voltages to generate multiple comparison results. At least one of the inductance and capacitance of an LC tank in an amplifier is adjusted according to the comparison results.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: March 1, 2016
    Assignee: Intel Corporation
    Inventors: Hsien-Ku Chen, Bing-Jye Kuo, Fang-Ren Liao, Pei-Wei Chen
  • Patent number: 9041421
    Abstract: An IC, a circuitry, and an RF BIST system are provided. The RF BIST system includes a test equipment, a module circuitry, and an IC. The IC is arranged to communicate with the module circuitry by an RF signal in response to a command signal from the test equipment, determine a test result by the RF signal, and report the test result to the test equipment, wherein the module circuitry is external to the IC and the test equipment.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: May 26, 2015
    Assignee: MEDIATEK INC.
    Inventors: Chun-Hsien Peng, Pei-Wei Chen, Ping-Hsuan Tsu, ChiaYu Yang, Chun-Yu Lin
  • Publication number: 20140152394
    Abstract: A frequency detection circuit includes a filter, a power detector and a voltage comparator. The filter receives and filters a converted signal to generate a filtered signal. The power of the filtered signal relates to a frequency of the converted signal. The power detector generates a voltage according to the power of the filtered signal. The voltage comparator compares the voltage with multiple reference voltages to generate multiple comparison results. At least one of the inductance and capacitance of an LC tank in an amplifier is adjusted according to the comparison results.
    Type: Application
    Filed: September 4, 2013
    Publication date: June 5, 2014
    Applicant: VIA Telecom, Inc.
    Inventors: Hsien-Ku CHEN, Bing-Jye KUO, Fang-Ren LIAO, Pei-Wei CHEN
  • Publication number: 20130021048
    Abstract: An IC, a circuitry, and an RF BIST system are provided. The RF BIST system includes a test equipment, a module circuitry, and an IC. The IC is arranged to communicate with the module circuitry by an RF signal in response to a command signal from the test equipment, determine a test result by the RF signal, and report the test result to the test equipment, wherein the module circuitry is external to the IC and the test equipment.
    Type: Application
    Filed: May 25, 2012
    Publication date: January 24, 2013
    Applicant: Media Tek Inc.
    Inventors: Chun-Hsien PENG, Pei-Wei CHEN, Ping-Hsuan TSU, ChiaYu YANG, Chun-Yu LIN