Patents by Inventor Wenqin Zhao
Wenqin Zhao 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: 20180322832Abstract: The present disclosure includes an image displaying method and a display device. The method includes: obtaining three-color sub-pixel data of each of pixels of a current image, wherein the three-color sub-pixel data includes a first red, green, blue grayscale value (R1, G1, B1) separately; obtaining a first white grayscale value (W1) in accordance with the three-color sub-pixel data; performing a color gamut mapping toward the four first grayscale values in accordance with a predetermined rule; performing a sub-pixel rendering process toward the four-color first grayscale values to obtain the updated three-colors sub-pixel data corresponding to each of the pixels; and outputting the updated three-colors sub-pixel data to the display panel. The RGB data of the current image may be converted to the image data that can be displayed on the four-color display panel so as to obtain a vivid display on the four-color display panel.Type: ApplicationFiled: June 12, 2016Publication date: November 8, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Wenqin ZHAO, Tao HE, Jhen-wei HE
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Patent number: 10115371Abstract: The embodiment of the present invention discloses a look up table management method of a liquid crystal display and a device. The method can include: obtaining an input data and an output data from a first look up table; performing preset operation to the output data to obtain a middle data, of which a sum of absolute values is smaller than a sum of the output data, and associatively storing the input data and the middle data to be a second look up table; as the liquid crystal display performs display, performing an inverse operation of the preset operation to the middle data in the second look up table which is corresponded with a display data inputted in real time to obtain and output an output data corresponded with the display data.Type: GrantFiled: January 6, 2016Date of Patent: October 30, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Yuhong Fu, Liwei Zhu, Wenqin Zhao
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Patent number: 10109245Abstract: A driving method and a driving device of a liquid crystal panel are provided.Type: GrantFiled: September 27, 2016Date of Patent: October 23, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Dekang Zeng, Yuhong Fu, Wenqin Zhao
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Publication number: 20180182321Abstract: A driving method and a driving device of a liquid crystal panel are provided.Type: ApplicationFiled: September 27, 2016Publication date: June 28, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Dekang ZENG, Yuhong FU, Wenqin ZHAO
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Publication number: 20180096661Abstract: The embodiment of the present invention discloses a control device of a display panel and a control method, wherein the control method of the display panel comprises: detecting a temperature of a chip of a source driver of the display panel, and to generate a notification signal according to the temperature; obtaining a temperature of the notification signal, and generating a control signal according to the temperature if the temperature exceeds preset temperature range thresholds; switching a polarity inversion manner of the display panel according to the control signal. The present invention adjusts the power consumption of the display panel by adjusting the polarity inversion manner so that the display panel can work with the proper power consumption. Thus, the chip of the source driver can be ensured to be in the normal work temperature range to guarantee the normal operation of the display panel and decrease of the failure.Type: ApplicationFiled: January 7, 2016Publication date: April 5, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventor: Wenqin ZHAO
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Patent number: 9905186Abstract: The present invention discloses a liquid crystal panel. The panel includes a display area that includes an array of pixel units formed thereon, a source controller, a gamma voltage control section, a gate controller, a chamfer voltage control section, and an image inspection section. The image inspection section classifies images into n classes according to ranking of grey level. The chamfer voltage control section is operated in response to the class of an image to control one of the n chamfer voltage circuits to supply the chamfer voltage to the gate controller and the gamma voltage control section is operated in responses to the class of the image to control one of the n gamma voltage circuits to supply the gamma voltage to the source controller, where n is an integer greater than 1. The present invention also discloses a driving method for the liquid crystal panel and a liquid crystal display including the liquid crystal panel.Type: GrantFiled: November 18, 2014Date of Patent: February 27, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Wenqin Zhao, Yu-yeh Chen, Xiaoping Tan
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Patent number: 9898977Abstract: A method for controlling image display is disclosed. The method comprises the following steps: determining whether a still image appears; obtaining, when a still image appears, an actual gray-scale of each pixel of said still image, and generating a plurality of output gray-scales corresponding to the actual gray-scale; and substituting the actual gray-scale with said output gray-scales alternately, and forming dynamic image output. According to the present disclosure, the still image can be converted into dynamic image output through controlling the image display in spatial domain and time domain, and thus the problem of afterimage of the still image can be solved.Type: GrantFiled: June 4, 2015Date of Patent: February 20, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yu Yeh Chen, Wenqin Zhao
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Patent number: 9837029Abstract: A liquid crystal display panel is provided by the present invention, which comprises a plurality of data lines, a plurality of scanning lines, and a plurality of pixel units; wherein the pixel units of each column comprise two types of pixel units disposed interleaved, the adjacent pixel units are different types, and each of the data lines connects to the same type of adjacent pixel units. The present invention completes driving a plurality of adjacent row pixel units at the same time by making data lines connect with the same type pixel units.Type: GrantFiled: June 5, 2015Date of Patent: December 5, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventors: Wenqin Zhao, Yuyeh Chen, Tao He
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Patent number: 9830870Abstract: A driving method for a liquid crystal display panel is provided, and includes grouping all the scan lines into a plurality of scan line groups, calculating driving voltage differences of the pixel units corresponding to the scan lines of each of the scan line groups in different scanning sequences, determining the scanning sequence of each of the scan line groups based upon the driving voltage differences and a preset voltage difference, and performing a scan driving on the scan lines of the corresponding scan line group by using the determined scanning sequence.Type: GrantFiled: June 4, 2015Date of Patent: November 28, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventors: Yuyeh Chen, Wenqin Zhao
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Publication number: 20170301311Abstract: The embodiment of the present invention discloses a look up table management method of a liquid crystal display and a device. The method can include: obtaining an input data and an output data from a first look up table; performing preset operation to the output data to obtain a middle data, of which a sum of absolute values is smaller than a sum of the output data, and associatively storing the input data and the middle data to be a second look up table; as the liquid crystal display performs display, performing an inverse operation of the preset operation to the middle data in the second look up table which is corresponded with a display data inputted in real time to obtain and output an output data corresponded with the display data.Type: ApplicationFiled: January 6, 2016Publication date: October 19, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yuhong FU, Liwei ZHU, Wenqin ZHAO
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Patent number: 9786235Abstract: The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure comprises a plurality of pixel units arranged in array, and each pixel unit comprises a white sub pixel (W), a red sub pixel (R), a green sub pixel (G) and a blue sub pixel (B); in respective pixel units, the white sub pixel (W), the red sub pixel (R), the green sub pixel (G) and the blue sub pixel (B) are aligned with the same order along a horizontal direction; a driving mode of the pixel structure is row inversion; as showing an image of the same frame, in pixel units of each column, polarities of sub pixels of every two adjacent columns are opposite; in the sub pixels of every two adjacent columns, polarities of sub pixels of the same color are opposite to make that polarities of every two adjacent sub pixels of the same color in the pixel units of the same row are opposite.Type: GrantFiled: June 29, 2015Date of Patent: October 10, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Tao He, Jhenwei He, Wenqin Zhao
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Publication number: 20170168850Abstract: The present invention provides a method of downloading a configuration code, applied in a timer/counter control register, and the method comprises steps of acquiring a first boot code through a first default interface of the timer/counter control register; calculating a first check code according to the acquired first boot code; determining whether the calculated first check code and a first standard check code are the same; as the two are the same, downloading the configuration code from the storage element coupled to the first default interface through the first default interface; as the two are different, downloading the configuration code from a storage element coupled to a second default interface through the second default interface of the timer/counter control register. Therefore, the present invention promote the utility flexibility of the timer/counter control register. The present invention further provides a system of downloading a configuration code and a timer/counter control register.Type: ApplicationFiled: September 24, 2015Publication date: June 15, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Jianjun XIE, Wenqin ZHAO, Lei SUN, Tao HE, Xiaobin BI
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Publication number: 20170162137Abstract: A method for controlling image display is disclosed. The method comprises the following steps: determining whether a still image appears; obtaining, when a still image appears, an actual gray-scale of each pixel of said still image, and generating a plurality of output gray-scales corresponding to the actual gray-scale; and substituting the actual gray-scale with said output gray-scales alternately, and forming dynamic image output. According to the present disclosure, the still image can be converted into dynamic image output through controlling the image display in spatial domain and time domain, and thus the problem of afterimage of the still image can be solved.Type: ApplicationFiled: June 4, 2015Publication date: June 8, 2017Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Yu Yeh Chen, Wenqin Zhao
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Publication number: 20160372064Abstract: The present invention discloses a display driving method, a display driving circuit and a liquid crystal display. The method comprises steps of: inputting the display data corresponding to the picture frame, and the picture frame comprises a plurality of pixels; statistically summing absolute values of gray scale/voltage differences of the pixels in a showing sequence direction of the plurality of pixels to acquire pixel gray scale/voltage distribution of the plurality of pixels according to the gray scale/voltage difference after summing; at least partially reducing fore and after driving voltage difference corresponded with the display data of fore and after showing pixels in a showing sequence direction of the plurality of pixels for pixel gray scale/voltage distribution of the plurality of pixels of which the gray scale/voltage difference after summing is larger than the threshold. With the aforesaid arrangement, the present invention can reduce the power consumption of the display driving circuit.Type: ApplicationFiled: January 28, 2015Publication date: December 22, 2016Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yu-yeh CHEN, Wenqin ZHAO
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Publication number: 20160365047Abstract: The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure comprises a plurality of pixel units arranged in array, and each pixel unit comprises a white sub pixel (W), a red sub pixel (R), a green sub pixel (G) and a blue sub pixel (B); in respective pixel units, the white sub pixel (W), the red sub pixel (R), the green sub pixel (G) and the blue sub pixel (B) are aligned with the same order along a horizontal direction; a driving mode of the pixel structure is row inversion; as showing an image of the same frame, in pixel units of each column, polarities of sub pixels of every two adjacent columns are opposite; in the sub pixels of every two adjacent columns, polarities of sub pixels of the same color are opposite to make that polarities of every two adjacent sub pixels of the same color in the pixel units of the same row are opposite.Type: ApplicationFiled: June 29, 2015Publication date: December 15, 2016Inventors: Tao He, Jhenwei He, Wenqin Zhao
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Publication number: 20160335977Abstract: The present invention discloses a liquid crystal panel. The panel includes a display area that includes an array of pixel units formed thereon, a source controller, a gamma voltage control section, a gate controller, a chamfer voltage control section, and an image inspection section. The image inspection section classifies images into n classes according to ranking of grey level. The chamfer voltage control section is operated in response to the class of an image to control one of the n chamfer voltage circuits to supply the chamfer voltage to the gate controller and the gamma voltage control section is operated in responses to the class of the image to control one of the n gamma voltage circuits to supply the gamma voltage to the source controller, where n is an integer greater than 1. The present invention also discloses a driving method for the liquid crystal panel and a liquid crystal display including the liquid crystal panel.Type: ApplicationFiled: November 18, 2014Publication date: November 17, 2016Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Wenqin ZHAO, Yu-yeh CHEN, Xiaoping TAN
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Publication number: 20160329009Abstract: A driving method for a liquid crystal display panel is provided, and includes grouping all the scan lines into a plurality of scan line groups, calculating driving voltage differences of the pixel units corresponding to the scan lines of each of the scan line groups in different scanning sequences, determining the scanning sequence of each of the scan line groups based upon the driving voltage differences and a preset voltage difference, and performing a scan driving on the scan lines of the corresponding scan line group by using the determined scanning sequence.Type: ApplicationFiled: June 4, 2015Publication date: November 10, 2016Inventors: Yuyeh CHEN, Wenqin ZHAO
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Publication number: 20160329023Abstract: A liquid crystal display panel is provided by the present invention, which comprises a plurality of data lines, a plurality of scanning lines, and a plurality of pixel units; wherein the pixel units of each column comprise two types of pixel units disposed interleaved, the adjacent pixel units are different types, and each of the data lines connects to the same type of adjacent pixel units. The present invention completes driving a plurality of adjacent row pixel units at the same time by making data lines connect with the same type pixel units.Type: ApplicationFiled: June 5, 2015Publication date: November 10, 2016Inventors: Wenqin ZHAO, Yuyeh CHEN, Tao HE
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Patent number: 9368079Abstract: A method for driving a display device is disclosed. Display images of one frame are divided into detection regions; pixel polarity arrangements of each detection region are determined, and according to the determined result a data driving circuit selects a corresponding scanning method to drive the display device. The data driving circuit adopts an interlaced-to-progress scanning conversion method to drive the display device, so as to ensure that there are no data circuits in a loaded state, thereby reducing the power consumption of the display device.Type: GrantFiled: July 24, 2014Date of Patent: June 14, 2016Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Li-Yi Chen, Yu-Yeh Chen, Wenqin Zhao
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Publication number: 20150356935Abstract: A method for driving a display device is disclosed. Display images of one frame are divided into detection regions; pixel polarity arrangements of each detection region are determined, and according to the determined result a data driving circuit selects a corresponding scanning method to drive the display device. The data driving circuit adopts an interlaced-to-progress scanning conversion method to drive the display device, so as to ensure that there are no data circuits in a loaded state, thereby reducing the power consumption of the display device.Type: ApplicationFiled: July 24, 2014Publication date: December 10, 2015Inventors: Li-Yi Chen, Yu-Yeh Chen, Wenqin Zhao