Patents by Inventor Chih Chou Chou

Chih Chou Chou 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: 20240053790
    Abstract: A monitor includes a casing assembly, a light-emitting module and a display panel. The casing assembly includes a casing and a support frame. The support frame is disposed in the casing. The support frame includes an accommodation portion and at least one support portion, the accommodation portion is connected to the casing, the support portion is connected to the accommodation portion and protrudes from the accommodation portion. The light-emitting module is disposed in the accommodation portion. The display panel is supported by the at least one support portion.
    Type: Application
    Filed: December 21, 2022
    Publication date: February 15, 2024
    Inventors: CHUNLEI ZHAO, Liang Yang, YAO-CHEN YANG, chia-jang Chen, chih chou Chou
  • Patent number: 11868183
    Abstract: A retractable assembly includes a fixed frame, a movable frame and a plurality of first balls. The fixed frame has an accommodation portion and a plurality of guiding portions. The guiding portions are connected to the accommodation portion. The movable frame is at least partially located in the accommodation portion. The first balls are movably located in the guiding portions, and the movable frame is connected to the fixed frame via the first balls.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: January 9, 2024
    Assignee: WISTRON CORP.
    Inventors: Zijie Iin, Yao-Chen Yang, Chia-Jang Chen, Chih Chou Chou
  • Patent number: 11855243
    Abstract: A light-emitting device is applicable to a backlight module. The light-emitting device includes a substrate, a light-emitting diode (LED) and an encapsulation body. The encapsulation body is on the substrate and covers the LED. The encapsulation body includes a base and a lens. The base has a base surface. The lens has a lens surface. The lens surface conforms to a cubic Bezier curve. The cubic Bezier curve has a start point and an end point. The start point of the cubic Bezier curve is at the base surface. The end point of the cubic Bezier curve corresponds to the center of the LED. The lens surface is provided with a concave portion at the end point. The lens increases the light-emitting angle of the LED, so that the spacing between light-emitting devices can be increased, thereby reducing the number of light-emitting devices to be used and the costs.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: December 26, 2023
    Assignee: WISTRON CORPORATION
    Inventors: Bin Luo, Rui-Hua Wang, Chih-Chou Chou
  • Patent number: 11762434
    Abstract: A backlight includes a first casing having an opening; a second casing connected to the first casing; an optical member disposed between the first casing and the second casing, and exposed via the opening; a supporting back plate disposed between the optical member and the second casing; at least one circuit board disposed between the supporting back plate and the second casing; and a plurality of light bars disposed on the supporting back plate. The supporting back plate is disposed between the second casing and optical member. The supporting back plate includes a first area and a second area, configured such that a distance from the first area to the second casing is greater than a distance from the second area to the second casing.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: September 19, 2023
    Assignee: Wistron Corporation
    Inventors: Yao-Chen Yang, Liang Yang, Zhihua Liu, Zhiyi Liang, Chih-Chou Chou
  • Publication number: 20230136093
    Abstract: A retractable assembly includes a fixed frame, a movable frame and a plurality of first balls. The fixed frame has an accommodation portion and a plurality of guiding portions. The guiding portions are connected to the accommodation portion. The movable frame is at least partially located in the accommodation portion. The first balls are movably located in the guiding portions, and the movable frame is connected to the fixed frame via the first balls.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 4, 2023
    Inventors: Zijie Lin, YAO-CHEN YANG, Chia-Jang Chen, Chih Chou Chou
  • Publication number: 20230131796
    Abstract: A liquid crystal display includes a casing and a displaying module disposed in the casing. The displaying module includes a backlight module and a liquid crystal panel stacked on the backlight module. The backlight module includes a back chassis and a light-guiding plate. The back chassis has a bottom plate portion and a side portion bent from the bottom plate portion and forms an accommodating space therebetween. The back chassis has a constraining portion in the accommodating space. The light-guiding plate is accommodated in the accommodating space. At least a portion of the light-guiding plate is located between the constraining portion and the bottom plate portion.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 27, 2023
    Applicant: Wistron Corporation
    Inventors: CHUNLEI ZHAO, Yao-Chen Yang, Chia-Jang Chen, Chih-Chou Chou
  • Patent number: 11631375
    Abstract: The invention provides a display equipment, an operation method thereof, and a backlight control device. The display equipment includes a display panel, a backlight module, an image processing circuit, a panel control circuit, a first backlight control circuit, and a second backlight control circuit. The image processing circuit provides a VRR video frame to the panel control circuit. The first backlight control circuit generates a main dimming signal to the backlight module during a valid data period of the VRR video frame according to a first timing information of the image processing circuit. The second backlight control circuit generates a compensation dimming signal to the backlight module during a blank period of the VRR video frame according to a second timing information of the image processing circuit. In particular, a peak current value of the compensation dimming signal is less than a peak current value of the main dimming signal.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: April 18, 2023
    Assignee: Wistron Corporation
    Inventors: Yuanliang Liu, Mingyue Geng, Yueqi Xu, Junxin Qiu, Chih-Chou Chou
  • Publication number: 20220415269
    Abstract: The invention provides a display equipment, an operation method thereof, and a backlight control device. The display equipment includes a display panel, a backlight module, an image processing circuit, a panel control circuit, a first backlight control circuit, and a second backlight control circuit. The image processing circuit provides a VRR video frame to the panel control circuit. The first backlight control circuit generates a main dimming signal to the backlight module during a valid data period of the VRR video frame according to a first timing information of the image processing circuit. The second backlight control circuit generates a compensation dimming signal to the backlight module during a blank period of the VRR video frame according to a second timing information of the image processing circuit. In particular, a peak current value of the compensation dimming signal is less than a peak current value of the main dimming signal.
    Type: Application
    Filed: August 3, 2021
    Publication date: December 29, 2022
    Applicant: Wistron Corporation
    Inventors: Yuanliang Liu, Mingyue Geng, Yueqi Xu, Junxin Qiu, Chih-Chou Chou
  • Patent number: 11493835
    Abstract: An elevating mechanism adapted to accommodate a function unit and including main frame, elevating frame, and accommodation frame. The main frame has first guide portion including straight portion and non-straight portion. The elevating frame is movably disposed on the main frame. The accommodation frame is pivotably connected to the elevating frame and has second guide portion slidably located at the first guide portion. When the accommodation frame is in non-inclined position, the second guide portion is located at the straight portion. When the accommodation frame is in inclined position, the second guide portion is located at the non-straight portion and the accommodation frame is inclined with respect to the main frame.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: November 8, 2022
    Assignee: WISTRON CORP.
    Inventors: Guangguo Cheng, Ai Xu, Yougang Wang, Chih Chou Chou
  • Publication number: 20220342459
    Abstract: A supporting back plate is applied to a direct back-lit display with a thin type, which includes a first casing, a second casing, an optical member, at least one circuit board, the supporting back plate and lights. The first casing has an opening portion and is connected to the second casing. The optical member is disposed between the first casing and the second casing, and exposed via the opening portion. The supporting back plate is disposed between the second casing and optical member. The supporting back plate includes a first area and a second area. A distance from the first area to the second casing is greater than a distance from the second area to the second casing. The circuit board is disposed on the first area of the supporting back plate. The lights are disposed on the supporting back plate.
    Type: Application
    Filed: July 22, 2021
    Publication date: October 27, 2022
    Applicant: Wistron Corporation
    Inventors: Yao-Chen Yang, LIANG YANG, ZHIHUA LIU, Zhiyi Liang, Chih-Chou Chou
  • Publication number: 20220320384
    Abstract: A light-emitting device is applicable to a backlight module. The light-emitting device includes a substrate, a light-emitting diode (LED) and an encapsulation body. The encapsulation body is on the substrate and covers the LED. The encapsulation body includes a base and a lens. The base has a base surface. The lens has a lens surface. The lens surface conforms to a cubic Bezier curve. The cubic Bezier curve has a start point and an end point. The start point of the cubic Bezier curve is at the base surface. The end point of the cubic Bezier curve corresponds to the center of the LED. The lens surface is provided with a concave portion at the end point. The lens increases the light-emitting angle of the LED, so that the spacing between light-emitting devices can be increased, thereby reducing the number of light-emitting devices to be used and the costs.
    Type: Application
    Filed: June 8, 2021
    Publication date: October 6, 2022
    Inventors: Bin LUO, Rui-Hua WANG, Chih-Chou CHOU
  • Publication number: 20220308425
    Abstract: An elevating mechanism adapted to accommodate a function unit and including main frame, elevating frame, and accommodation frame. The main frame has first guide portion including straight portion and non-straight portion. The elevating frame is movably disposed on the main frame. The accommodation frame is pivotably connected to the elevating frame and has second guide portion slidably located at the first guide portion. When the accommodation frame is in non-inclined position, the second guide portion is located at the straight portion. When the accommodation frame is in inclined position, the second guide portion is located at the non-straight portion and the accommodation frame is inclined with respect to the main frame.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 29, 2022
    Inventors: GUANGGUO CHENG, AI XU, YOUGANG WANG, CHIH CHOU CHOU
  • 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: 11428986
    Abstract: A direct-type light source module including N-stage light sources and an optical sheet is provided. The optical sheet is disposed above the N-stage light sources, and an optical distance between the i-th-stage light source and the optical sheet is smaller than an optical distance between the i+1-th-stage light source and the optical sheet, where 1?i<N, and N is a positive integer greater than 1. A display device is also provided.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: August 30, 2022
    Assignee: Wistron Corporation
    Inventors: Han-Jen Liang, Lei-Ken Hung, Ching-Hsuan Tsai, Wei-Chi Lin, Chih-Chou Chou
  • Patent number: 11404613
    Abstract: A light emitting diode package structure and a manufacturing method thereof and a display device are provided. The light emitting diode package structure includes a blue light emitting diode and a phosphor layer. The phosphor layer is disposed on the blue light emitting diode package structure, and the phosphor layer includes an encapsulation layer and a plurality of phosphor powders. The phosphor powders are disposed in the encapsulation layer and consist of green phosphor powders, red phosphor powders, and yellow phosphor powders, in which a weight percentage of the yellow phosphor powders ranges from 1% to 10%.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 2, 2022
    Assignee: Wistron Corporation
    Inventors: Zhiyi Liang, Chih-Chou Chou, Wei-Chia Huang
  • Patent number: 11315503
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes a liquid crystal display panel, a backlight module and a control circuit. The control circuit is coupled to the liquid crystal display panel and the backlight module. The control circuit is configured to control the liquid crystal display panel to display a corresponding image according to image data, and control the backlight module to provide backlight to the liquid crystal display panel. The control circuit determines a turn-on time point of each of a plurality of zones of the backlight module according to a response time of the liquid crystal display panel and a writing period of at least one target display area of the liquid crystal display panel. The control circuit further determines the turn-on time length of each zone according to the image data corresponding to the grayscale data of each zone.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 26, 2022
    Assignee: Wistron Corporation
    Inventors: Yuanliang Liu, Junxin Qiu, Lixing Zhu, Mingyue Geng, Chih-Chou Chou
  • Publication number: 20220005983
    Abstract: A light emitting diode package structure and a manufacturing method thereof and a display device are provided. The light emitting diode package structure includes a blue light emitting diode and a phosphor layer. The phosphor layer is disposed on the blue light emitting diode package structure, and the phosphor layer includes an encapsulation layer and a plurality of phosphor powders. The phosphor powders are disposed in the encapsulation layer and consist of green phosphor powders, red phosphor powders, and yellow phosphor powders, in which a weight percentage of the yellow phosphor powders ranges from 1% to 10%.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 6, 2022
    Inventors: Zhiyi Liang, Chih-Chou Chou, Wei-Chia Huang
  • Patent number: 11183128
    Abstract: A liquid crystal display and a display calibration method thereof are provided. The display calibration method includes the following steps. A liquid crystal display panel is driven by a driving circuit to display an image. A light-emitting diode backlight module is driven by the driving circuit to provide a backlight to the liquid crystal display panel, wherein the driving circuit determines at least one illuminating time of the light-emitting diode backlight module according to a response time of the liquid crystal display panel and a writing period of at least one target display area of the liquid crystal display panel.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: November 23, 2021
    Assignee: Wistron Corporation
    Inventors: Yueqi Xu, Chih-Chou Chou, Junxin Qiu, Yongqiang Li, Wenzhi Wang
  • Publication number: 20210272526
    Abstract: A liquid crystal display and a display calibration method thereof are provided. The display calibration method includes the following steps. A liquid crystal display panel is driven by a driving circuit to display an image. A light-emitting diode backlight module is driven by the driving circuit to provide a backlight to the liquid crystal display panel, wherein the driving circuit determines at least one illuminating time of the light-emitting diode backlight module according to a response time of the liquid crystal display panel and a writing period of at least one target display area of the liquid crystal display panel.
    Type: Application
    Filed: May 5, 2020
    Publication date: September 2, 2021
    Applicant: Wistron Corporation
    Inventors: Yueqi Xu, Chih-Chou Chou, Junxin Qiu, Yongqiang Li, Wenzhi Wang
  • Patent number: 11099430
    Abstract: A backlight module includes a light guide panel and a backlight source, which emits light entering the light guide panel via a light receiving surface on a side of the light guide panel. The backlight source includes a base plate and a plurality of light source holders disposed on the base plate. The light source holder includes a circuit substrate having an opening and a base surface. The base surface and the opening are transitionally connected by a curved surface.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 24, 2021
    Assignee: Wistron Corporation
    Inventors: Bin Luo, Chih-Chou Chou, Wei-Chia Huang, Zhi-Yi Liang