Patents by Inventor Danyang Zhu
Danyang Zhu 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: 20240097314Abstract: A disclosed apparatus may include at least one touch sensor and an integrated film that includes at least one antenna, wherein the integrated film is at least partially disposed on the at least one touch sensor such that the at least one touch sensor operates as a radiating element for the at least one antenna. Various other apparatuses, systems, and methods are also disclosed.Type: ApplicationFiled: December 15, 2022Publication date: March 21, 2024Inventors: Yasuo Morimoto, Dong Chen, Nengxiu Deng, Weihong Melissa Zhang, Chilin Hsu, Danyang Huang, Ce Zhang, Yonghua Wei, Jiang Zhu
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Publication number: 20240097318Abstract: The disclosed devices and systems may include transparent antennas and touch displays that may be included in wearable devices. An example wearable device may include a display module including a display stack, the display stack including a display cover layer, an antenna layer, and a display layer, wherein the antenna layer (1) is positioned between the display cover layer and the display layer, and (2) includes at least one antenna element. Various other systems and devices are disclosed.Type: ApplicationFiled: February 27, 2023Publication date: March 21, 2024Inventors: Ce Zhang, Chilin Hsu, Danyang Huang, Yasuo Morimoto, Nengxiu Deng, Dong Chen, Bruno Cendon Martin, Yonghua Wei, Jiang Zhu, Geng Ye
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Patent number: 11929669Abstract: The present disclosure relates to a totem pole bridgeless power factor correction device and a power supply system. The device includes a power factor correction module. The power factor correction module includes a first transistor, a second transistor, a third transistor, a fourth transistor, an inductor and a control module for generating a zeroth control signal in the first time period to control the third transistor and the fourth transistor to be in an off state, performing a zero-crossing detection on an AC voltage in the first time period, generating a first control signal to control a conduction state of the first transistor and the second transistor before the AC voltage crosses zero, and generating a second control signal to control the conduction state of the first transistor and the second transistor after the AC voltage crosses zero.Type: GrantFiled: May 13, 2022Date of Patent: March 12, 2024Assignee: InventChip Technology Co., Ltd.Inventors: Zhong Ye, Danyang Zhu, Qixiang Han
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Patent number: 11831307Abstract: An apparatus includes a capacitor coupled to a gate of a power switch, and a negative voltage adjustment device connected to a common node of the capacitor and the gate of the power switch, wherein the negative voltage adjustment device is configured such that after a turn-off signal is applied to the gate of the power switch, a voltage across the capacitor is maintained at a predetermined voltage level through a negative current provided by the negative voltage adjustment device.Type: GrantFiled: April 20, 2022Date of Patent: November 28, 2023Assignee: InventChip Technology Co., Ltd.Inventors: Zhong Ye, Danyang Zhu
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Patent number: 11804833Abstract: An apparatus includes a capacitor coupled to a power switch, wherein the capacitor is configured to provide a negative gate voltage to the power switch when a turn-off signal is applied to a gate of the power switch, and a sink and source power supply coupled to the capacitor, wherein the sink and source power supply has a first current limit for controlling a sink current flowing from the capacitor to the sink and source power supply, and a second current limit for controlling a source current flowing from the sink and source power supply to the capacitor.Type: GrantFiled: June 28, 2022Date of Patent: October 31, 2023Assignee: InventChip Technology Co., Ltd.Inventors: Zhong Ye, Danyang Zhu
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Patent number: 11611339Abstract: The invention relates to the field of power semiconductor devices. This invention discloses a drive circuit and device of a power switch. The input terminal of the drive circuit receives a pulse signal; the output terminal of the drive circuit is connected to a capacitor circuit. The capacitor circuit is used to provide a negative voltage for a first electrode of the power switch to turn off the power switch when the pulse signal is a turn-off signal; the drive circuit includes a capacitance adjustment unit. The capacitance adjustment unit includes a negative voltage adjustment element that can charge a capacitor whose voltage is lower than a predetermined voltage when the pulse signal is the turn-off signal.Type: GrantFiled: November 1, 2021Date of Patent: March 21, 2023Assignee: InventChip Technology Co., Ltd.Inventors: Zhong Ye, Danyang Zhu
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Publication number: 20220271651Abstract: The present disclosure relates to a totem pole bridgeless power factor correction device and a power supply system. The device includes a power factor correction module. The power factor correction module includes a first transistor, a second transistor, a third transistor, a fourth transistor, an inductor and a control module for generating a zeroth control signal in the first time period to control the third transistor and the fourth transistor to be in an off state, performing a zero-crossing detection on an AC voltage in the first time period, generating a first control signal to control a conduction state of the first transistor and the second transistor before the AC voltage crosses zero, and generating a second control signal to control the conduction state of the first transistor and the second transistor after the AC voltage crosses zero.Type: ApplicationFiled: May 13, 2022Publication date: August 25, 2022Inventors: Zhong Ye, Danyang Zhu, Qixiang Han
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Publication number: 20220247404Abstract: An apparatus includes a capacitor coupled to a gate of a power switch, and a negative voltage adjustment device connected to a common node of the capacitor and the gate of the power switch, wherein the negative voltage adjustment device is configured such that after a turn-off signal is applied to the gate of the power switch, a voltage across the capacitor is maintained at a predetermined voltage level through a negative current provided by the negative voltage adjustment device.Type: ApplicationFiled: April 20, 2022Publication date: August 4, 2022Inventors: Zhong Ye, Danyang Zhu
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Publication number: 20220069817Abstract: The invention relates to the field of power semiconductor devices. This invention discloses a drive circuit and device of a power switch. The input terminal of the drive circuit receives a pulse signal; the output terminal of the drive circuit is connected to a capacitor circuit. The capacitor circuit is used to provide a negative voltage for a first electrode of the power switch to turn off the power switch when the pulse signal is a turn-off signal; the drive circuit includes a capacitance adjustment unit. The capacitance adjustment unit includes a negative voltage adjustment element that can charge a capacitor whose voltage is lower than a predetermined voltage when the pulse signal is the turn-off signal.Type: ApplicationFiled: November 1, 2021Publication date: March 3, 2022Inventors: Zhong Ye, Danyang Zhu
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Patent number: 11165423Abstract: The invention relates to the field of power semiconductor devices. This invention discloses a drive circuit and device of a power switch. The input terminal of the drive circuit receives a pulse signal; the output terminal of the drive circuit is connected to a capacitor circuit. The capacitor circuit is used to provide a negative voltage for a first electrode of the power switch to turn off the power switch when the pulse signal is a turn-off signal; the drive circuit includes a capacitance adjustment unit. The capacitance adjustment unit includes a negative voltage adjustment element that can charge a capacitor whose voltage is lower than a predetermined voltage when the pulse signal is the turn-off signal.Type: GrantFiled: October 13, 2020Date of Patent: November 2, 2021Assignee: Shanghai Zhuanxin Corporation Management Consulting PartnershipInventors: Zhong Ye, Danyang Zhu
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Patent number: 10992293Abstract: A device that comprises a first semiconductor die and a second semiconductor die. The first semiconductor die comprises a first clock signal generator. The second semiconductor die comprises a fault detection circuit, the fault detection circuit comprising a second clock signal generator, a first counter coupled to the second clock signal generator, multiple storage devices coupled to the second clock signal generator and to the first counter, a logic gate coupled to the multiple storage devices, a second counter coupled to the logic gate and to the first clock signal generator, and a comparator coupled to the logic gate and the second counter.Type: GrantFiled: September 20, 2018Date of Patent: April 27, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Xiong Li, William Toth, Honglin Guo, Danyang Zhu
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Publication number: 20210028782Abstract: The invention relates to the field of power semiconductor devices. This invention discloses a drive circuit and device of a power switch. The input terminal of the drive circuit receives a pulse signal; the output terminal of the drive circuit is connected to a capacitor circuit. The capacitor circuit is used to provide a negative voltage for a first electrode of the power switch to turn off the power switch when the pulse signal is a turn-off signal; the drive circuit includes a capacitance adjustment unit. The capacitance adjustment unit includes a negative voltage adjustment element that can charge a capacitor whose voltage is lower than a predetermined voltage when the pulse signal is the turn-off signal.Type: ApplicationFiled: October 13, 2020Publication date: January 28, 2021Inventors: Zhong Ye, Danyang Zhu
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Patent number: 10784776Abstract: An isolation device provides high common mode transient immunity without increasing the supply voltage rails in the transmitter side. In one aspect, the disclosed isolation device implements a self-boosting scheme to increase a voltage swing of a transmission signal under a lesser supply voltage rail. The disclosed isolation device includes a first stage circuit, a boost circuit, and a second stage circuit. The first stage circuit is configured to generate first and second signals each having a first voltage within a supply voltage range. The boost circuit is configured to provide a boosted voltage range greater than the supply voltage range responsive to at least one of the first or second signal. The second stage circuit is configured to generate an output signal based on either one of the first or second signal, such that the output signal has a second voltage within the boosted voltage range.Type: GrantFiled: September 10, 2018Date of Patent: September 22, 2020Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Danyang Zhu, Zhidong Liu
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Publication number: 20200096574Abstract: A device that comprises a first semiconductor die and a second semiconductor die. The first semiconductor die comprises a first clock signal generator. The second semiconductor die comprises a fault detection circuit, the fault detection circuit comprising a second clock signal generator, a first counter coupled to the second clock signal generator, multiple storage devices coupled to the second clock signal generator and to the first counter, a logic gate coupled to the multiple storage devices, a second counter coupled to the logic gate and to the first clock signal generator, and a comparator coupled to the logic gate and the second counter.Type: ApplicationFiled: September 20, 2018Publication date: March 26, 2020Inventors: Xiong LI, William TOTH, Honglin GUO, Danyang ZHU
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Publication number: 20200083804Abstract: An isolation device provides high common mode transient immunity without increasing the supply voltage rails in the transmitter side. In one aspect, the disclosed isolation device implements a self-boosting scheme to increase a voltage swing of a transmission signal under a lesser supply voltage rail. The disclosed isolation device includes a first stage circuit, a boost circuit, and a second stage circuit. The first stage circuit is configured to generate first and second signals each having a first voltage within a supply voltage range. The boost circuit is configured to provide a boosted voltage range greater than the supply voltage range responsive to at least one of the first or second signal. The second stage circuit is configured to generate an output signal based on either one of the first or second signal, such that the output signal have a second voltage within the boosted voltage range.Type: ApplicationFiled: September 10, 2018Publication date: March 12, 2020Inventors: Danyang Zhu, Zhidong Liu
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Patent number: 10529702Abstract: An apparatus includes an integrated circuit, a plurality of bi-directional pins, and an electro-static discharge (ESD) clamp. The integrated circuit is configured to provide a ground potential. The plurality of bi-directional pins are configured to provide a differential input signal for the integrated circuit. The electro-static discharge (ESD) clamp is coupled between the ground potential and the plurality of bi-directional pins.Type: GrantFiled: November 5, 2014Date of Patent: January 7, 2020Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Zhong Chen, Danyang Zhu, Zhuang Ma
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Patent number: 10374606Abstract: A lever shifter includes an output driver and a high-side gate driver. The high-side gate driver is configured to drive the high-side output transistor, and is coupled to an on pulse signal line that conducts an on pulse, and is coupled to an off pulse signal line that conducts an off pulse. The high-side gate driver includes a blocking circuit configured to enable generation of a drive signal to the high-side output transistor based on a voltage of a first of the on or off pulse signal line being greater than a first predetermined amount and a voltage of a second of the on or off signal line being less than a second predetermined amount.Type: GrantFiled: January 29, 2019Date of Patent: August 6, 2019Assignee: Texas Instruments IncorporatedInventors: Danyang Zhu, Jie Feng, Xiaonan Wang, Ball Fan
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Publication number: 20190158093Abstract: A lever shifter includes an output driver and a high-side gate driver. The high-side gate driver is configured to drive the high-side output transistor, and is coupled to an on pulse signal line that conducts an on pulse, and is coupled to an off pulse signal line that conducts an off pulse. The high-side gate driver includes a blocking circuit configured to enable generation of a drive signal to the high-side output transistor based on a voltage of a first of the on or off pulse signal line being greater than a first predetermined amount and a voltage of a second of the on or off signal line being less than a second predetermined amount.Type: ApplicationFiled: January 29, 2019Publication date: May 23, 2019Inventors: Danyang Zhu, Jie Feng, Xiaonan Wang, Ball Fan
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Patent number: 10230372Abstract: A lever shifter includes an output driver and a high-side gate driver. The high-side gate driver is configured to drive the high-side output transistor, and is coupled to an on pulse signal line that conducts an on pulse, and is coupled to an off pulse signal line that conducts an off pulse. The high-side gate driver includes a blocking circuit configured to enable generation of a drive signal to the high-side output transistor based on a voltage of a first of the on or off pulse signal line being greater than a first predetermined amount and a voltage of a second of the on or off signal line being less than a second predetermined amount.Type: GrantFiled: April 21, 2018Date of Patent: March 12, 2019Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Danyang Zhu, Jie Feng, Xiaonan Wang, Ball Fan
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Patent number: 10090755Abstract: A method includes comparing, by a voltage-second (VS) controller, a first duty cycle used to control a first switch at a primary side of a power transformer of a DC-to-DC converter with a threshold. The method further includes if a value of the first duty cycle is less than the threshold, controlling, by the VS controller, a second duty cycle used to control a second switch at a secondary side of the power transformer, and maintaining a voltage level at an output voltage node at a non-zero value, and if the value of the first duty cycle is greater than the threshold, controlling, by an output voltage loop, the second duty cycle based on the first duty cycle, and monotonically increasing the voltage level the at the output voltage node from the non-zero value to a predetermined value.Type: GrantFiled: January 17, 2017Date of Patent: October 2, 2018Assignee: Texas Instruments IncorporatedInventors: Frank Tang, Kening Gao, Lin Sheng, Danyang Zhu