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).
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Publication number: 20240053790Abstract: 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: ApplicationFiled: December 21, 2022Publication date: February 15, 2024Inventors: CHUNLEI ZHAO, Liang Yang, YAO-CHEN YANG, chia-jang Chen, chih chou Chou
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Patent number: 11868183Abstract: 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: GrantFiled: February 7, 2022Date of Patent: January 9, 2024Assignee: WISTRON CORP.Inventors: Zijie Iin, Yao-Chen Yang, Chia-Jang Chen, Chih Chou Chou
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Patent number: 11855243Abstract: 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: GrantFiled: June 8, 2021Date of Patent: December 26, 2023Assignee: WISTRON CORPORATIONInventors: Bin Luo, Rui-Hua Wang, Chih-Chou Chou
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Patent number: 11762434Abstract: 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: GrantFiled: July 22, 2021Date of Patent: September 19, 2023Assignee: Wistron CorporationInventors: Yao-Chen Yang, Liang Yang, Zhihua Liu, Zhiyi Liang, Chih-Chou Chou
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Publication number: 20230136093Abstract: 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: ApplicationFiled: February 7, 2022Publication date: May 4, 2023Inventors: Zijie Lin, YAO-CHEN YANG, Chia-Jang Chen, Chih Chou Chou
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Publication number: 20230131796Abstract: 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: ApplicationFiled: January 11, 2022Publication date: April 27, 2023Applicant: Wistron CorporationInventors: CHUNLEI ZHAO, Yao-Chen Yang, Chia-Jang Chen, Chih-Chou Chou
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Patent number: 11631375Abstract: 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: GrantFiled: August 3, 2021Date of Patent: April 18, 2023Assignee: Wistron CorporationInventors: Yuanliang Liu, Mingyue Geng, Yueqi Xu, Junxin Qiu, Chih-Chou Chou
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Publication number: 20220415269Abstract: 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: ApplicationFiled: August 3, 2021Publication date: December 29, 2022Applicant: Wistron CorporationInventors: Yuanliang Liu, Mingyue Geng, Yueqi Xu, Junxin Qiu, Chih-Chou Chou
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Patent number: 11493835Abstract: 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: GrantFiled: June 9, 2021Date of Patent: November 8, 2022Assignee: WISTRON CORP.Inventors: Guangguo Cheng, Ai Xu, Yougang Wang, Chih Chou Chou
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Publication number: 20220342459Abstract: 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: ApplicationFiled: July 22, 2021Publication date: October 27, 2022Applicant: Wistron CorporationInventors: Yao-Chen Yang, LIANG YANG, ZHIHUA LIU, Zhiyi Liang, Chih-Chou Chou
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Publication number: 20220320384Abstract: 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: ApplicationFiled: June 8, 2021Publication date: October 6, 2022Inventors: Bin LUO, Rui-Hua WANG, Chih-Chou CHOU
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Publication number: 20220308425Abstract: 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: ApplicationFiled: June 9, 2021Publication date: September 29, 2022Inventors: GUANGGUO CHENG, AI XU, YOUGANG WANG, CHIH CHOU CHOU
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Patent number: 11455157Abstract: 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: GrantFiled: January 24, 2020Date of Patent: September 27, 2022Assignee: WISTRON CORP.Inventors: Li Fan Zheng, Chih Chou Chou, Su-Ming Lin, Jun Xin Qiu, Yong Qiang Li
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Patent number: 11428986Abstract: 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: GrantFiled: August 2, 2021Date of Patent: August 30, 2022Assignee: Wistron CorporationInventors: Han-Jen Liang, Lei-Ken Hung, Ching-Hsuan Tsai, Wei-Chi Lin, Chih-Chou Chou
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Patent number: 11404613Abstract: 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: GrantFiled: September 18, 2020Date of Patent: August 2, 2022Assignee: Wistron CorporationInventors: Zhiyi Liang, Chih-Chou Chou, Wei-Chia Huang
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Patent number: 11315503Abstract: 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: GrantFiled: January 28, 2021Date of Patent: April 26, 2022Assignee: Wistron CorporationInventors: Yuanliang Liu, Junxin Qiu, Lixing Zhu, Mingyue Geng, Chih-Chou Chou
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Publication number: 20220005983Abstract: 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: ApplicationFiled: September 18, 2020Publication date: January 6, 2022Inventors: Zhiyi Liang, Chih-Chou Chou, Wei-Chia Huang
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Patent number: 11183128Abstract: 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: GrantFiled: May 5, 2020Date of Patent: November 23, 2021Assignee: Wistron CorporationInventors: Yueqi Xu, Chih-Chou Chou, Junxin Qiu, Yongqiang Li, Wenzhi Wang
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Publication number: 20210272526Abstract: 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: ApplicationFiled: May 5, 2020Publication date: September 2, 2021Applicant: Wistron CorporationInventors: Yueqi Xu, Chih-Chou Chou, Junxin Qiu, Yongqiang Li, Wenzhi Wang
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Patent number: 11099430Abstract: 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: GrantFiled: December 30, 2019Date of Patent: August 24, 2021Assignee: Wistron CorporationInventors: Bin Luo, Chih-Chou Chou, Wei-Chia Huang, Zhi-Yi Liang