Patents by Inventor Kun Le

Kun Le 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).

  • Patent number: 9692317
    Abstract: A power control circuit includes a primary auxiliary winding, a startup module, a power control module, a rectifier module, and a clamping module. The primary auxiliary winding is configured to induce a voltage provided by a power circuit to generate an induced voltage. The startup module is configured to provide a startup voltage. The power control module is connected to the startup module and configured to output a control signal which controls the power circuit to supply power when the startup voltage input to the power control module is less than an upper threshold voltage. The rectifier module is connected to the primary auxiliary winding and configured to rectify the induced voltage generated by the primary auxiliary winding. The clamping module is connected between the rectifier module and the startup module is configured to clamp the induced voltage under the upper threshold voltage.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: June 27, 2017
    Assignee: ScienBiziP Consulting(Shenzhen) Co., Ltd.
    Inventor: Kun Le
  • Publication number: 20160204710
    Abstract: A power control circuit includes a primary auxiliary winding, a startup module, a power control module, a rectifier module, and a clamping module. The primary auxiliary winding is configured to induce a voltage provided by a power circuit to generate an induced voltage. The startup module is configured to provide a startup voltage. The power control module is connected to the startup module and configured to output a control signal which controls the power circuit to supply power when the startup voltage input to the power control module is less than an upper threshold voltage. The rectifier module is connected to the primary auxiliary winding and configured to rectify the induced voltage generated by the primary auxiliary winding. The clamping module is connected between the rectifier module and the startup module is configured to clamp the induced voltage under the upper threshold voltage.
    Type: Application
    Filed: July 8, 2015
    Publication date: July 14, 2016
    Inventor: KUN LE
  • Publication number: 20160166056
    Abstract: A bracket includes a frame and at least one supporting pole connecting with the frame. The frame defines at least one groove. The supporting pole can be in a supported state and an engaged state. When the supporting pole is in the supporting state, the supporting pole is bent to support the frame; when the supporting pole is in the engaged state, the supporting pole is engaged with the groove.
    Type: Application
    Filed: January 15, 2015
    Publication date: June 16, 2016
    Inventor: KUN LE
  • Patent number: 8350838
    Abstract: An exemplary power supply circuit includes an output terminal configured for providing electric power to a load circuit, a direct current (DC) power supply, a first resistor, a second resistor, a first switch and a second switch. The first switch includes a control electrode is grounded via the first resistor, a first current conducting electrode is connected to the DC power supply, and a second current conducting electrode is connected to the output terminal. The second switch includes a control electrode is connected to the output terminal, a first current conducting electrode is connected to the DC power supply, and a second current conducting electrode is connected to the control electrode of the first switch. The second resistor is interconnected the first current conducting electrode of the first switch and the second current conducting electrode of the first switch.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: January 8, 2013
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Kun Le, Tong Zhou
  • Patent number: 7898824
    Abstract: An exemplary power supply circuit (200) includes a pulse width modulation circuit (220) providing a pulse signal, a voltage conversion circuit (210) converting a primary voltage to an output voltage according to the pulse signal, a feedback circuit (260), and a control circuit (290). The feedback circuit includes a sampling branch (261) detecting a current of the voltage conversion circuit and accordingly providing a feedback signal, and a voltage division branch (262) electrically coupled to the sampling branch. The control circuit is electrically coupled to the voltage division branch, and is configured for disabling the voltage division branch after a predetermined period of time when the output voltage is within a predetermined range.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: March 1, 2011
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Kun Le, Tong Zhou
  • Patent number: 7839661
    Abstract: An exemplary power supply control circuit (200) includes a first port (201), a second port (202), a third port (203), a controllable switch (280), and a control circuit (270). The first and second ports are configured to receive a power supply voltage signal. The second and third ports are configured to output the power supply voltage signal to a load circuit. The controllable switch includes a control member (281) and a switch member (282). The control circuit is configured to control a working state of the control member. When the load circuit stops working, the control circuit controls the control member to control the switch member to be disconnected, so as to cut off the power supply voltage signal from outputting to the load circuit. A liquid crystal display (400) using the power supply control circuit is also provided.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: November 23, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Jie-Jian Zheng, Tong Zhou, Jian-Hui Lu, Hua Xiao, Kun Le
  • Patent number: 7839021
    Abstract: An exemplary multiplexed direct current regulation output circuit (2) includes a feedback circuit (22), a sampling circuit (30), a power control chip (21), a first output (27), a second output (28), a first half wave rectifier circuit (23), a second half wave rectifier circuit (24), a first filter circuit (25), a second filter circuit (26), a transformer (20), and a balance control circuit (29). The transformer is configured to provide low voltages to the first output via the first half wave rectifier circuit and the first filter circuit in series, and provide high voltages to the second output via the second half wave rectifier circuit and the second filter circuit in series. The balance control circuit is configured to control a voltage at the second output.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: November 23, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Tong Zhou, Kun Le, Huai-Zhu Yan
  • Patent number: 7808803
    Abstract: An exemplary inverter circuit (200) includes a direct current (DC) input terminal (210); a transformer (230) including a first primary winding (231) and a second primary winding (232); a first switch transistor (240); a second switch transistor (250); a pulse generator (260) providing pulse driving signals to the first switch transistor and the second transistor respectively; and a resistor (29). The first primary winding and the second primary winding share a tap (235), the tap is connected to the DC input terminal via the resistor. A drain electrode of the first switch transistor is connected to the tap via the first primary winding, and a drain electrode of the second switch transistor is connected to the tap via the second primary winding.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: October 5, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimel Innolux Corporation
    Inventors: Jin-Liang Xiong, Tong Zhou, Jian-Hui Lu, Kun Le
  • Patent number: 7755298
    Abstract: An exemplary power supply circuit (20) includes a scaler (21), a field-effect transistor (23), a pulse width modulation circuit (25), and a capacitor (29). The scaler includes an output port (213). The pulse width modulation circuit includes an input port (251). The input port of the pulse width modulation circuit is grounded via the capacitor. The field-effect transistor includes a gate electrode (231), a source electrode (232), and a drain electrode (233). The gate electrode is connected to the output port of the scaler. The source electrode is grounded. The drain electrode is connected to the input port of the pulse width modulation circuit.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: July 13, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
    Inventors: Han-Tao Liu, Tong Zhou, Hua Xiao, Kun Le, Jian-Hui Lu
  • Patent number: 7755915
    Abstract: An exemplary power supply circuit (20) includes a first commutating and filter circuit (21), a transformer (24), a second commutating and filter circuit (25), a transistor (27), a pulse width modulation circuit (26) outputting a control signal to control operation state of the transistor, and a feedback circuit (29). An external alternating current voltage is converted into a direct current with a cooperation operating of the transistor, the first commutating and filter circuit, the transformer, and the second commutating and filter circuit. The feedback circuit feeds an operating state of the transformer back to the pulse width modulation circuit, and the pulse width modulation circuit outputs corresponding control signals to turn on or turn off the transistor.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: July 13, 2010
    Assignees: Innocom Technology (ShenZhen) Co., Ltd., Innolux Display Corp.
    Inventors: Huai-Zhu Yan, Tong Zhou, Hong-Bo Zhou, Kun Le
  • Patent number: 7755328
    Abstract: An exemplary charging circuit (200) includes for charging a load component (210) includes a power supply unit (220), a feedback circuit, and a sampling resistor (230). The power supply unit includes a pulse width modulation circuit (221) and a power output terminal (222) configured to output a direct current supply. The feedback circuit includes an amplifying comparator (241), a constant voltage circuit (242), a transistor (243), and an optoelectrical coupler (244). The constant voltage circuit is configured to generate a reference voltage and apply the reference voltage to a negative input terminal of the amplifier comparator. An output terminal of the amplifier comparator is connected to the pulse width modulation circuit via the transistor and the optoelectrical coupler. The sampling resistor includes a current sampling terminal connected to a positive input terminal of the amplifier comparator.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: July 13, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
    Inventors: Tong Zhou, Kun Le
  • Patent number: 7684219
    Abstract: An exemplary multiplexed DC voltage regulation output circuit (2) comprises a first output circuit, a second output circuit, a transformer (21), a power control chip (22), a feedback circuit (20), and a control circuit (26). The first output circuit is configured for outputting low voltage. The second output circuit is configured for outputting high voltage. The transformer is configured for outputting voltages to the first output circuit and the second output circuit. The feedback circuit feeds composite signals from the first output circuit and the second output circuit back to the power control chip. The power control chip adjusts the output voltages of the transformer by changing impulse width of voltages transmitted into the transformer in accordance with the composite signals. The control circuit controls the output voltage of the second output circuit back to a normal high voltage when the output voltage is higher than normal.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: March 23, 2010
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
    Inventors: Tong Zhou, Kun Le
  • Patent number: 7570317
    Abstract: An exemplary flat panel display includes a back cover having a receiving space, and conductive wires accommodated in the receiving space. The back cover includes an inner surface corresponding to the receiving space. Typically, plural fixing elements for fastening the conductive wires are arranged on the inner surface, which can secure the conductive wires on the back cover.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: August 4, 2009
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
    Inventors: Tong Zhou, Kun Le, Hua Xiao
  • Publication number: 20090153539
    Abstract: An exemplary power supply circuit includes an output terminal configured for providing electric power to a load circuit, a direct current (DC) power supply, a first resistor, a second resistor, a first switch and a second switch. The first switch includes a control electrode is grounded via the first resistor, a first current conducting electrode is connected to the DC power supply, and a second current conducting electrode is connected to the output terminal. The second switch includes a control electrode is connected to the output terminal, a first current conducting electrode is connected to the DC power supply, and a second current conducting electrode is connected to the control electrode of the first switch. The second resistor is interconnected the first current conducting electrode of the first switch and the second current conducting electrode of the first switch.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 18, 2009
    Inventors: Kun Le, Tong Zhou
  • Publication number: 20090010030
    Abstract: An exemplary power supply circuit (200) includes a pulse width modulation circuit (220) providing a pulse signal, a voltage conversion circuit (210) converting a primary voltage to an output voltage according to the pulse signal, a feedback circuit (260), and a control circuit (290). The feedback circuit includes a sampling branch (261) detecting a current of the voltage conversion circuit and accordingly providing a feedback signal, and a voltage division branch (262) electrically coupled to the sampling branch. The control circuit is electrically coupled to the voltage division branch, and is configured for disabling the voltage division branch after a predetermined period of time when the output voltage is within a predetermined range.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 8, 2009
    Inventors: Kun Le, Tong Zhou
  • Publication number: 20080211312
    Abstract: An exemplary multiplexed direct current regulation output circuit (2) includes a feedback circuit (22), a sampling circuit (30), a power control chip (21), a first output (27), a second output (28), a first half wave rectifier circuit (23), a second half wave rectifier circuit (24), a first filter circuit (25), a second filter circuit (26), a transformer (20), and a balance control circuit (29). The transformer is configured to provide low voltages to the first output via the first half wave rectifier circuit and the first filter circuit in series, and provide high voltages to the second output via the second half wave rectifier circuit and the second filter circuit in series. The balance control circuit is configured to control a voltage at the second output.
    Type: Application
    Filed: January 28, 2008
    Publication date: September 4, 2008
    Inventors: Tong Zhou, Kun Le, Huai-Zhu Yan
  • Publication number: 20080180977
    Abstract: An exemplary power supply control circuit (200) includes a first port (201), a second port (202), a third port (203), a controllable switch (280), and a control circuit (270). The first and second ports are configured to receive a power supply voltage signal. The second and third ports are configured to output the power supply voltage signal to a load circuit. The controllable switch includes a control member (281) and a switch member (282 ). The control circuit is configured to control a working state of the control member. When the load circuit stops working, the control circuit controls the control member to control the switch member to be disconnected, so as to cut off the power supply voltage signal from outputting to the load circuit. A liquid crystal display (400) using the power supply control circuit is also provided.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 31, 2008
    Inventors: Jie-Jian Zheng, Tong Zhou, Jian-Hui Lu, Hua Xiao, Kun Le
  • Publication number: 20080158919
    Abstract: An exemplary power supply circuit (20) includes a scaler (21), a field-effect transistor (23), a pulse width modulation circuit (25), and a capacitor (29). The scaler includes an output port (213). The pulse width modulation circuit includes an input port (251). The input port of the pulse width modulation circuit is grounded via the capacitor. The field-effect transistor includes a gate electrode (231), a source electrode (232), and a drain electrode (233). The gate electrode is connected to the output port of the scaler. The source electrode is grounded. The drain electrode is connected to the input port of the pulse width modulation circuit.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 3, 2008
    Inventors: Han-Tao Liu, Tong Zhou, Hua Xiao, Kun Le, Jian-Hui Lu
  • Publication number: 20080130327
    Abstract: An exemplary power supply circuit (20) includes a first commutating and filter circuit (21), a transformer (24), a second commutating and filter circuit (25), a transistor (27), a pulse width modulation circuit (26) outputting a control signal to control operation state of the transistor, and a feedback circuit (29). An external alternating current voltage is converted into a direct current with a cooperation operating of the transistor, the first commutating and filter circuit, the transformer, and the second commutating and filter circuit. The feedback circuit feeds an operating state of the transformer back to the pulse width modulation circuit, and the pulse width modulation circuit outputs corresponding control signals to turn on or turn off the transistor.
    Type: Application
    Filed: December 3, 2007
    Publication date: June 5, 2008
    Inventors: Huai-Zhu Yan, Tong Zhou, Hong-Bo Zhou, Kun Le
  • Patent number: 7372218
    Abstract: An open protection circuit (300) for a backlight module includes a PWM (350) with a control port (351) to disable the PWM. A switch (371) has a gate and a source connected to the control port. A plurality of first input circuits (330) includes first diodes (331), each of which has a first positive terminal connected to the gate and a negative terminal connected to ground. A plurality of second input circuits (340) include input resistors (341) connected to the control port. A plurality of detecting circuits (310, 380) are connected to the fluorescent lamps (311) and the first and second input circuits respectively. Each detecting circuit includes a sampling resistor (313) connected to one of the negative terminals of the first diodes, thereby the control port of the PWM is pulled low when either one of the fluorescent lamps are open-circuit.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: May 13, 2008
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
    Inventors: Tong Zhou, Huai-Zhu Yan, Kun Le