Patents by Inventor Jun-Xin Qiu

Jun-Xin Qiu 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: 11455157
    Abstract: A display device includes a display panel, a first storage device, a second storage device and a control device. The first storage device is disposed on the display panel and stores a first firmware. The second storage device stores a second firmware. The control device is coupled to the first storage device and the second storage device. The control device reads the first firmware and uses the first firmware to update the second firmware, or receives a third firmware transmitted by a host terminal device and uses the third firmware to update the second firmware. The control device executes the updated second firmware to generate an image signal corresponding to the updated second firmware to the display panel. Therefore, the efficiency of updating the firmware of the display device may be effectively increased, and the convenience of use is increased.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: September 27, 2022
    Assignee: WISTRON CORP.
    Inventors: Li Fan Zheng, Chih Chou Chou, Su-Ming Lin, Jun Xin Qiu, Yong Qiang Li
  • Patent number: 11368013
    Abstract: An overcurrent protection method is provided. The overcurrent protection method is applied to a USB with a PD function. The overcurrent protection method includes the steps of converting an input voltage into a first voltage to provide power to the first electronic device; determining whether the working current of the first electronic device is greater than a first default value; determining whether the working current of the first electronic device is greater than a second default value; in response to the working current being greater than the first default value, a first sensing signal is generated to disable a switch and to form an open circuit between the first electronic device and the second electronic device; and in response to the working current being greater than the second default value, conversion of the input voltage into the first voltage is stopped.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: June 21, 2022
    Assignee: Wistron Corp.
    Inventors: Yong Bo Li, Yong Qiang Li, Wen Long Yang, Jun Xin Qiu
  • Publication number: 20210109737
    Abstract: A display device includes a display panel, a first storage device, a second storage device and a control device. The first storage device is disposed on the display panel and stores a first firmware. The second storage device stores a second firmware. The control device is coupled to the first storage device and the second storage device. The control device reads the first firmware and uses the first firmware to update the second firmware, or receives a third firmware transmitted by a host terminal device and uses the third firmware to update the second firmware. The control device executes the updated second firmware to generate an image signal corresponding to the updated second firmware to the display panel. Therefore, the efficiency of updating the firmware of the display device may be effectively increased, and the convenience of use is increased.
    Type: Application
    Filed: January 24, 2020
    Publication date: April 15, 2021
    Inventors: Li Fan ZHENG, Chih Chou CHOU, Su-Ming LIN, Jun Xin QIU, Yong Qiang LI
  • Patent number: 10922256
    Abstract: A display apparatus is provided. The display apparatus includes a display panel and a display controller. The display controller is electrically connected to a USB Type-C interface of a host via a USB Type-C interface of the display apparatus. In response to the USB Type-C interface of the display apparatus being in a USB Type-C default pin-assignment mode, the display controller receives an image signal from the host via two USB SuperSpeed channels of the USB Type-C interface of display apparatus. In response to a display mode of the display apparatus satisfying a specific condition, the display controller controls the USB Type-C interface of the display apparatus to enter a USB Type-C first pin assignment mode, so that the host utilizes the four USB SuperSpeed channels of the USB Type-C interface of the display apparatus to transmit the image signal to the display controller.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: February 16, 2021
    Assignee: WISTRON CORP.
    Inventors: Li Fan Zheng, Yong Qiang Li, Yong Bo Li, Jun Xin Qiu, Wen Long Yang
  • Publication number: 20210011064
    Abstract: A detection method for a USB Type-C connector is provided. The detection method is applied to a dual role port (DRP) device. The detection method includes the following steps: in response to the DRP device being in a Try. SRC state, detecting whether there is a sink device connected to the DRP device; in response to detecting a sink device connected to the DRP device, switching the current source provided to the pull-up resistor connected to the CC pin from the first current value to the second current value, and detecting again whether there is a sink device connected to the DRP device, wherein the first current value is greater than the second current value; and in response to detecting a sink device connected to the DRP device, the DRP device enters an Attached. SRC state.
    Type: Application
    Filed: November 14, 2019
    Publication date: January 14, 2021
    Inventors: Jun Xin QIU, Lei YANG, Rui Jing LI, Qiang MENG
  • Patent number: 10802331
    Abstract: A display apparatus is provided. The display apparatus includes a display panel, a backlight module, a power-supply circuit, and a system-control circuit. The display panel is configured to display an image signal. The backlight module is configured to provide backlight to the display panel. The power-supply circuit is configured to convert an alternating current (AC) source to a direct current (DC) voltage. The system-control circuit includes a power-loss-detection circuit and a display controller. The power-loss-detection circuit is configured to detect whether the DC voltage from the power-supply circuit has a power-loss event. The display controller is configured to control the display panel and the backlight module. In response to the power-loss-detection circuit detecting that the DC voltage has the power-loss event, the display controller performs a predetermined shutdown procedure to sequentially turn off the backlight module and the display panel.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: October 13, 2020
    Assignee: WISTRON CORP.
    Inventors: Cun Liu, Xin Sheng Wen, Jun Xin Qiu, Yong Qiang Li, Wen Long Yang
  • Patent number: 10755656
    Abstract: A display apparatus is provided. The display apparatus includes: a display panel, a non-volatile memory, and a controller. The controller is configured to adjust first gain values of the display panel, and obtain two-dimensional color coordinates in a first predetermined color space of the white screen displayed by the display apparatus as white-color coordinates. The controller further adjusts colors displayed by the display apparatus to fit a second predetermined color space, calculates second gain values in the second predetermined color space according to the white-color coordinates, and stores the second gain values in a color-calibration setting in a non-volatile memory of the display apparatus. In response to a selection signal from the display apparatus, the controller reads the color-calibration setting corresponding to the selection signal from the non-volatile memory for execution to perform color calibration on the display apparatus.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: August 25, 2020
    Assignee: WISTRON CORP.
    Inventors: Yong Qiang Li, Jun Xin Qiu, Zheng Ying Gao, Min Zhou, Ming Yue Geng
  • Publication number: 20200233822
    Abstract: A display apparatus is provided. The display apparatus includes a display panel and a display controller. The display controller is electrically connected to a USB Type-C interface of a host via a USB Type-C interface of the display apparatus. In response to the USB Type-C interface of the display apparatus being in a USB Type-C default pin-assignment mode, the display controller receives an image signal from the host via two USB SuperSpeed channels of the USB Type-C interface of display apparatus. In response to a display mode of the display apparatus satisfying a specific condition, the display controller controls the USB Type-C interface of the display apparatus to enter a USB Type-C first pin assignment mode, so that the host utilizes the four USB SuperSpeed channels of the USB Type-C interface of the display apparatus to transmit the image signal to the display controller.
    Type: Application
    Filed: July 2, 2019
    Publication date: July 23, 2020
    Inventors: Li Fan ZHENG, Yong Qiang LI, Yong Bo LI, Jun Xin QIU, Wen Long YANG
  • Publication number: 20200233263
    Abstract: A display apparatus is provided. The display apparatus includes a display panel, a backlight module, a power-supply circuit, and a system-control circuit. The display panel is configured to display an image signal. The backlight module is configured to provide backlight to the display panel. The power-supply circuit is configured to convert an alternating current (AC) source to a direct current (DC) voltage. The system-control circuit includes a power-loss-detection circuit and a display controller. The power-loss-detection circuit is configured to detect whether the DC voltage from the power-supply circuit has a power-loss event. The display controller is configured to control the display panel and the backlight module. In response to the power-loss-detection circuit detecting that the DC voltage has the power-loss event, the display controller performs a predetermined shutdown procedure to sequentially turn off the backlight module and the display panel.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 23, 2020
    Inventors: Cun LIU, Xin Sheng WEN, Jun Xin QIU, Yong Qiang LI, Wen Long YANG
  • Publication number: 20200126498
    Abstract: A display apparatus is provided. The display apparatus includes: a display panel, a non-volatile memory, and a controller. The controller is configured to adjust first gain values of the display panel, and obtain two-dimensional color coordinates in a first predetermined color space of the white screen displayed by the display apparatus as white-color coordinates. The controller further adjusts colors displayed by the display apparatus to fit a second predetermined color space, calculates second gain values in the second predetermined color space according to the white-color coordinates, and stores the second gain values in a color-calibration setting in a non-volatile memory of the display apparatus. In response to a selection signal from the display apparatus, the controller reads the color-calibration setting corresponding to the selection signal from the non-volatile memory for execution to perform color calibration on the display apparatus.
    Type: Application
    Filed: March 8, 2019
    Publication date: April 23, 2020
    Inventors: Yong Qiang LI, Jun Xin QIU, Zheng Ying GAO, Min ZHOU, Ming Yue GENG
  • Publication number: 20200059083
    Abstract: An overcurrent protection method is provided. The overcurrent protection method is applied to a USB with a PD function. The overcurrent protection method includes the steps of converting an input voltage into a first voltage to provide power to the first electronic device; determining whether the working current of the first electronic device is greater than a first default value; determining whether the working current of the first electronic device is greater than a second default value; in response to the working current being greater than the first default value, a first sensing signal is generated to disable a switch and to form an open circuit between the first electronic device and the second electronic device; and in response to the working current being greater than the second default value, conversion of the input voltage into the first voltage is stopped.
    Type: Application
    Filed: February 21, 2019
    Publication date: February 20, 2020
    Inventors: Yong Bo LI, Yong Qiang LI, Wen Long YANG, Jun Xin QIU
  • Publication number: 20160004287
    Abstract: A portable electronic device with OTG functionality is provided. The portable electronic device includes a USB connector, a processor and a power management module. When the USB connector is coupled to a USB device, the processor provides a switching signal according to identification data of the USB device. According to the switching signal, the power management module selectively provides a first power signal to the USB device, so as to power the USB device, or receives a second power signal from the USB device for charging a battery. The USB connector has an identification pin coupled to a ground.
    Type: Application
    Filed: March 18, 2015
    Publication date: January 7, 2016
    Inventor: Jun Xin QIU
  • Publication number: 20150350592
    Abstract: An electronic device is provided. The electronic device includes a connector, a detecting unit, an image processing unit, a USB unit, and a switching unit. The detecting unit detects a voltage level of a specific pin of the connector, and provides a control signal. The USB unit is coupled to the image processing unit. According to the control signal, the switching unit selectively couples the connector to the image processing unit or the USB unit.
    Type: Application
    Filed: December 1, 2014
    Publication date: December 3, 2015
    Inventor: Jun Xin QIU
  • Publication number: 20150279329
    Abstract: A display and a method for operating frames of multiple devices thereof are provided. In the method, connections between the display and multiple electronic devices are established. Frames output from each electronic device are received through the connections and are displayed on the display. Then, one of the frames is selected as a main control frame according to frame allocating information, and an input signal of an input device is transmitted to the electronic device corresponding to the main control frame. A trigger signal is received to switch the main control frame among the frames, and the input signal of the input device is transmitted to the electronic device corresponding to the switched main frame.
    Type: Application
    Filed: June 19, 2014
    Publication date: October 1, 2015
    Inventor: Jun-Xin Qiu
  • Patent number: 8957927
    Abstract: A display device is provided. The display device includes an interface board, a display panel and a connecting interface. The interface board includes a system control module and a system storage module for storing a plurality groups of panel driving data. The display panel includes a pixel array, a signal receiver and a panel data storage module for storing panel data. The connecting interface connects the interface board and the display panel and generates an intimating signal and transmits the same when these elements are electrically connected. The system control module retrieves panel data from the panel data storage module through the connecting interface to further retrieve one of the groups of panel driving data to output the same. The signal receiver drives the pixel array according to the one of the groups of panel driving data. A display device drive method is also disclosed.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: February 17, 2015
    Assignee: Wistron Corp.
    Inventor: Jun-Xin Qiu
  • Publication number: 20140118382
    Abstract: A method for programming extended display identification data (EDID) adapted to a display device is provided. The display device has at least one EDID chip, a microcontroller unit chip, and a flash memory chip. in the method, a first EDID corresponding to the EDID chip is written into a firmware stored in the flash memory chip. The display device is powered on. The first EDID in the firmware is automatically written into the corresponding EDID chip as a second EDID by the microcontroller unit chip.
    Type: Application
    Filed: December 12, 2012
    Publication date: May 1, 2014
    Applicant: WISTRON CORPORATION
    Inventors: Jun-Xin Qiu, Yong-Qiang Li, Zheng-Ying Gao, Yong-Zhi Wang
  • Publication number: 20130088525
    Abstract: A display device is provided. The display device includes an interface board, a display panel and a connecting interface. The interface board includes a system control module and a system storage module for storing a plurality groups of panel driving data. The display panel includes a pixel array, a signal receiver and a panel data storage module for storing panel data. The connecting interface connects the interface board and the display panel and generates an intimating signal and transmits the same when these elements are electrically connected. The system control module retrieves panel data from the panel data storage module through the connecting interface to further retrieve one of the groups of panel driving data to output the same. The signal receiver drives the pixel array according to the one of the groups of panel driving data. A display device drive method is also disclosed.
    Type: Application
    Filed: March 2, 2012
    Publication date: April 11, 2013
    Inventor: Jun-Xin Qiu