Patents by Inventor Min-Jye Chen
Min-Jye Chen 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: 20230410758Abstract: The invention provides a backlight device, an operation method, and a display device for reducing motion blur. The display device includes a display panel, a scaler integrated circuit, and a backlight device. The backlight device includes N light zones for providing a backlight to the display panel, wherein N is a positive integer. The backlight device lights each of the N light zones in a time-sharing manner in each of a plurality of scan periods. Each of the scan periods has a time length greater than or equal to a time length of a video active data period of the display panel. A continuous lighting time length of each of the N light zones is less than or equal to a quotient of the time length of the video active data period divided by N.Type: ApplicationFiled: March 8, 2023Publication date: December 21, 2023Applicant: Qisda CorporationInventor: Min-Jye Chen
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Patent number: 11847983Abstract: An image display device is provided. The image display device includes a display unit and a backlight module. The display unit is used for displaying pictures in an image frame cycle. The backlight module includes a plurality of light sources of different colors. The image frame cycle is divided into a first interval, a second interval and a third interval in sequence, and the second interval is adjacent to the first interval. The backlight module provides a white light source with a first intensity in the first interval and provides a white light source with a second intensity in the second interval, and the second intensity is smaller than the first intensity. The backlight module is turned off in the third interval.Type: GrantFiled: May 27, 2022Date of Patent: December 19, 2023Assignee: Qisda CorporationInventors: Min-Jye Chen, Kuang-Hung Chien, Chia-Lin Chen
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Patent number: 11735125Abstract: The application discloses an image display device and a control method thereof. The control method for the image display device includes: receiving a first image signal from a host and displaying a frame, a first frame data of the first image signal having a first frequency; determining that the image display device enters a Motion Blur Reduction (MBR) mode and writing a double frequency of a vertical synchronous signal into a storage unit; and informing the host to read the storage unit and alternatively outputting a second frame data and a black-insertion frame data from the host, the second frame data having a second frequency higher than the first frequency.Type: GrantFiled: May 20, 2022Date of Patent: August 22, 2023Assignee: Qisda CorporationInventor: Min-Jye Chen
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Publication number: 20230169929Abstract: The application discloses an image display device and a control method thereof. The control method for the image display device includes: receiving a first image signal from a host and displaying a frame, a first frame data of the first image signal having a first frequency; determining that the image display device enters a Motion Blur Reduction (MBR) mode and writing a double frequency of a vertical synchronous signal into a storage unit; and informing the host to read the storage unit and alternatively outputting a second frame data and a black-insertion frame data from the host, the second frame data having a second frequency higher than the first frequency.Type: ApplicationFiled: May 20, 2022Publication date: June 1, 2023Applicant: Qisda CorporationInventor: Min-Jye CHEN
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Publication number: 20230148216Abstract: An image display device is provided. The image display device includes a display unit and a backlight module. The display unit is used for displaying pictures in an image frame cycle. The backlight module includes a plurality of light sources of different colors. The image frame cycle is divided into a first interval, a second interval and a third interval in sequence, and the second interval is adjacent to the first interval. The backlight module provides a white light source with a first intensity in the first interval and provides a white light source with a second intensity in the second interval, and the second intensity is smaller than the first intensity. The backlight module is turned off in the third interval.Type: ApplicationFiled: May 27, 2022Publication date: May 11, 2023Applicant: Qisda CorporationInventors: Min-Jye CHEN, Kuang-Hung CHIEN, Chia-Lin CHEN
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Patent number: 11074869Abstract: A display method includes selecting a display mode from a plurality of display modes, acquiring a data clock signal having a data period including a pixel active interval and a blank interval, and setting waveforms of a backlight driving signal within the pixel active interval and the blank interval according to the display mode in order to meet a motion blur effect corresponding to the display mode. A power ratio of the backlight driving signal within the blank interval to the backlight driving signal within the pixel active interval determines the motion blur effect. The waveforms of the backlight driving signal within the pixel active interval and the blank interval are different.Type: GrantFiled: November 1, 2019Date of Patent: July 27, 2021Assignee: Qisda CorporationInventor: Min-Jye Chen
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Patent number: 11043171Abstract: An anti-flicker and motion-blur improvement method includes selecting one of display modes, obtaining a vertical synchronization signal and a data clock signal, and setting waveforms of a backlight driving signal in a vertical blanking interval and a data scan interval according to the display mode to make a motion blur effect correspond to the display mode. A voltage regulation signal is generated according to the display mode. A duty cycle of the voltage regulation signal is set as a first duty cycle in a dynamic image display mode. The duty cycle of the voltage regulation signal is set as a second duty cycle in a still image display mode. A backlight driving current corresponding to the backlight driving signal is generated via the voltage regulation signal. A current setting port generates a constant current. Accordingly, the present invention can improve the motion blur phenomenon by simplifying the backlight control circuit.Type: GrantFiled: June 30, 2020Date of Patent: June 22, 2021Assignee: Qisda CorporationInventor: Min-Jye Chen
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Publication number: 20210097940Abstract: A scanning type backlight display method includes partitioning at least one part of backlight devices of a display panel for generating a plurality of backlight device sets, selecting a backlight device from each backlight device set, and sequentially enabling a plurality of selected backlight devices. Time intervals of enabling a plurality of backlight devices of the each backlight device set are non-overlapped.Type: ApplicationFiled: September 20, 2020Publication date: April 1, 2021Inventor: Min-Jye Chen
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Publication number: 20210005149Abstract: An anti-flicker and motion-blur improvement method includes selecting one of display modes, obtaining a vertical synchronization signal and a data clock signal, and setting waveforms of a backlight driving signal in a vertical blanking interval and a data scan interval according to the display mode to make a motion blur effect correspond to the display mode. A voltage regulation signal is generated according to the display mode. A duty cycle of the voltage regulation signal is set as a first duty cycle in a dynamic image display mode. The duty cycle of the voltage regulation signal is set as a second duty cycle in a still image display mode. A backlight driving current corresponding to the backlight driving signal is generated via the voltage regulation signal. A current setting port generates a constant current. Accordingly, the present invention can improve the motion blur phenomenon by simplifying the backlight control circuit.Type: ApplicationFiled: June 30, 2020Publication date: January 7, 2021Inventor: Min-Jye Chen
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Patent number: 10818247Abstract: A display method for reducing motion blur in a video is provided. The display method includes the following steps. Receive a video signal including multiple frames. Display the multiple frames sequentially in multiple frame intervals on a display panel, wherein each frame interval includes a vertical blanking interval and a data scan interval. Provide a backlight enable signal in each frame interval to control turning on and turning off of a backlight unit for the display panel. The backlight enable signal includes a first enable pulse and a blanking enable pulse. The first enable pulse is in the data scan interval. The blanking enable pulse is in the vertical blanking interval. The backlight unit is turned on during the first enable pulse and the blanking enable pulse.Type: GrantFiled: November 18, 2019Date of Patent: October 27, 2020Assignee: Qisda CorporationInventors: Min-Jye Chen, Chien-Szu Chiu, Chung-Ting Yen
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Patent number: 10797505Abstract: A wireless charging guide system includes a wireless charging cradle, an electronic device and a visual guide medium. The electronic device includes a power storage unit and a charging unit. When the visual guide medium guides the electronic device to be placed at a first position on the top surface of the wireless charging cradle, the charging unit, with respect to the wireless charging cradle, has a charging rate larger than a first default value and starts to charge the power storage unit, wherein the visual guide medium is accessed from a remote server according to the model of the electronic device.Type: GrantFiled: February 7, 2017Date of Patent: October 6, 2020Assignees: Qisda (Suzhou) Co., Ltd., Qisda CorporationInventors: Min-Jye Chen, Min-An Kuo
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Patent number: 10699649Abstract: A display device including a display panel, a backlight unit, a display driving circuit, and a backlight driving circuit is provided. The display panel includes multiple display zones. The backlight unit includes multiple light sources corresponding to the multiple display zones respectively. The display driving circuit receives an image signal and calculates a local dimming value for each display zone according to the image signal. The image signal includes multiple image frames. The display driving circuit drives the display panel to display the multiple image frames sequentially in multiple frame intervals each including a vertical blanking interval and a data scan interval. The backlight driving circuit provides a backlight pulse for each light source and adjusts the width and/or the intensity of each backlight pulse according to the local dimming value for each display zone. The backlight driving circuit provides the backlight pulse in the vertical blanking interval.Type: GrantFiled: January 23, 2019Date of Patent: June 30, 2020Assignee: Qisda CorporationInventor: Min-Jye Chen
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Publication number: 20200143756Abstract: A display method includes selecting a display mode from a plurality of display modes, acquiring a data clock signal having a data period including a pixel active interval and a blank interval, and setting waveforms of a backlight driving signal within the pixel active interval and the blank interval according to the display mode in order to meet a motion blur effect corresponding to the display mode. A power ratio of the backlight driving signal within the blank interval to the backlight driving signal within the pixel active interval determines the motion blur effect. The waveforms of the backlight driving signal within the pixel active interval and the blank interval are different.Type: ApplicationFiled: November 1, 2019Publication date: May 7, 2020Inventor: Min-Jye Chen
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Publication number: 20200090597Abstract: A display method for reducing motion blur in a video is provided. The display method includes the following steps. Receive a video signal including multiple frames. Display the multiple frames sequentially in multiple frame intervals on a display panel, wherein each frame interval includes a vertical blanking interval and a data scan interval. Provide a backlight enable signal in each frame interval to control turning on and turning off of a backlight unit for the display panel. The backlight enable signal includes a first enable pulse and a blanking enable pulse. The first enable pulse is in the data scan interval. The blanking enable pulse is in the vertical blanking interval. The backlight unit is turned on during the first enable pulse and the blanking enable pulse.Type: ApplicationFiled: November 18, 2019Publication date: March 19, 2020Applicant: Qisda CorporationInventors: Min-Jye Chen, Chien-Szu Chiu, Chung-Ting Yen
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Patent number: 10559267Abstract: A display method for reducing motion blur in a video is provided. The display method includes the following steps. Receive a video signal including multiple frames. Display the multiple frames sequentially in multiple frame intervals on a display panel, wherein each frame interval includes a vertical blanking interval and a data scan interval. Provide a backlight enable signal in each frame interval to control turning on and turning off of a backlight unit for the display panel. The backlight enable signal includes a first enable pulse. The first enable pulse is in the data scan interval. The backlight unit is turned on during the first enable pulse.Type: GrantFiled: August 22, 2017Date of Patent: February 11, 2020Assignee: Qisda CorporationInventors: Min-Jye Chen, Chien-Szu Chiu, Chung-Ting Yen
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Publication number: 20190251914Abstract: A display device including a display panel, a backlight unit, a display driving circuit, and a backlight driving circuit is provided. The display panel includes multiple display zones. The backlight unit includes multiple light sources corresponding to the multiple display zones respectively. The display driving circuit receives an image signal and calculates a local dimming value for each display zone according to the image signal. The image signal includes multiple image frames. The display driving circuit drives the display panel to display the multiple image frames sequentially in multiple frame intervals each including a vertical blanking interval and a data scan interval. The backlight driving circuit provides a backlight pulse for each light source and adjusts the width and/or the intensity of each backlight pulse according to the local dimming value for each display zone. The backlight driving circuit provides the backlight pulse in the vertical blanking interval.Type: ApplicationFiled: January 23, 2019Publication date: August 15, 2019Applicant: Qisda CorporationInventor: Min-Jye CHEN
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Publication number: 20180226827Abstract: A wireless charging guide system includes a wireless charging cradle, an electronic device and a visual guide medium. The electronic device includes a power storage unit and a charging unit. When the visual guide medium guides the electronic device to be placed at a first position on the top surface of the wireless charging cradle, the charging unit, with respect to the wireless charging cradle, has a charging rate larger than a first default value and starts to charge the power storage unit, wherein the visual guide medium is accessed from a remote server according to the model of the electronic device.Type: ApplicationFiled: February 7, 2017Publication date: August 9, 2018Applicants: QISDA (SUZHOU) CO., Ltd., Qisda CorporationInventors: Min-Jye Chen, Min-An Kuo
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Publication number: 20180090080Abstract: A display method for reducing motion blur in a video is provided. The display method includes the following steps. Receive a video signal including multiple frames. Display the multiple frames sequentially in multiple frame intervals on a display panel, wherein each frame interval includes a vertical blanking interval and a data scan interval. Provide a backlight enable signal in each frame interval to control turning on and turning off of a backlight unit for the display panel. The backlight enable signal includes a first enable pulse. The first enable pulse is in the data scan interval. The backlight unit is turned on during the first enable pulse.Type: ApplicationFiled: August 22, 2017Publication date: March 29, 2018Applicant: Qisda CorporationInventors: Min-Jye Chen, Chien-Szu Chiu, Chung-Ting Yen
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Patent number: 8319895Abstract: A signal detection method is provided. The signal detection method for an electronic device having a plurality of terminals to receive signals from a plurality of sources corresponding to the terminals, includes the following steps: providing a sequence index for each terminal; providing a plurality of weighting numbers for the electronic device; comparing the sequence indexes of the terminals to determine a terminal detection sequence when the electronic device is turned on or the signal source changes; detecting the terminals according to the detection sequence; adding one of the weighting number to the sequence index of the terminal with signal traffic. The detection sequence begins at the terminal with a largest sequence index and ends at the terminal with a smallest sequence index.Type: GrantFiled: January 18, 2008Date of Patent: November 27, 2012Assignee: Qisda CorporationInventor: Min-Jye Chen
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Patent number: 7495681Abstract: A resolution detection method for an electronic display device. The method first receives a line rate, a frame rate, and a horizontal total of an electronic display device to calculate candidate resolutions. A horizontal display of the electronic display device is then received. Next, a horizontal blank is calculated according to the line rate and the horizontal display. An adjustment method for application to the electronic display device is determined according to the horizontal blank. Finally, an optimum resolution is selected from the candidate resolutions according to the determined adjustment method.Type: GrantFiled: May 5, 2005Date of Patent: February 24, 2009Assignee: Qisda CorporationInventors: Yun-Wen Liu, Min-Jye Chen