Patents by Inventor Yizhuo Zhao
Yizhuo 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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Patent number: 12254811Abstract: A display panel, a control method thereof, and an electronic terminal are provided. The control method includes: determining whether a display frequency of the display panel is converted in each of x frames, wherein x is a positive integer greater than or equal to 2; and in response to determining that the display frequency of the display panel is converted in each of the x frames, changing a common voltage from a first voltage gradually to a second voltage in a plurality of frames, from at least a last frame in the x frames.Type: GrantFiled: April 24, 2023Date of Patent: March 18, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yizhuo Zhao
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Publication number: 20250061863Abstract: Liquid crystal display devices and backlight driving methods thereof are provided. A backlight module of the liquid crystal display device includes a light-emitting unit, a calculation unit, a comparison unit, and a control unit. The calculation unit calculates a first preset backlight brightness value of a backlight partition according to a partition average brightness value and a partition maximum brightness value of a corresponding display partition under a current frame display image. The comparison unit compares a second preset backlight brightness value of the backlight partition under a previous frame display image and the first preset backlight brightness value, and outputs a comparison result. The control unit outputs a first brightness driving value of the backlight partition under the current frame display image according to the comparison result. The light-emitting unit emits light in the backlight partition according to first brightness driving value.Type: ApplicationFiled: November 15, 2023Publication date: February 20, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yizhuo ZHAO
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Patent number: 12223874Abstract: A method and an apparatus for adjusting a brightness of a display are provided. The method includes: acquiring a gray scale number and a working frequency; determining a first gray scale compensation value of a preset calibration area using a preset gray scale compensation mapping table; determining a second gray scale compensation value of a non-preset calibration area according to the first gray scale compensation value; controlling, according to the first gray scale compensation value, the preset calibration area for displaying; and controlling, according to the second gray scale compensation value, the non-preset calibration area for displaying.Type: GrantFiled: November 23, 2021Date of Patent: February 11, 2025Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yoongu Kim, Yizhuo Zhao, Yuhua Chang
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Patent number: 12175904Abstract: The present application provides a luminance compensation method, a luminance compensation device, and a display device. Luminance compensation is performed on at least part of consecutive frames satisfying a condition of the luminance compensation, and the luminance compensation is not performed on the consecutive frames not satisfying the condition of the luminance compensation, thereby preventing a problem that the luminance compensation applied to a display device with free synchronization technology of traditional technology causing display of special images to deteriorate.Type: GrantFiled: March 15, 2021Date of Patent: December 24, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yizhuo Zhao, Qiusheng Huang, Yuhua Chang, Bin Zhao
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Publication number: 20240296772Abstract: A method and an apparatus for adjusting a brightness of a display are provided. The method includes: acquiring a gray scale number and a working frequency; determining a first gray scale compensation value of a preset calibration area using a preset gray scale compensation mapping table; determining a second gray scale compensation value of a non-preset calibration area according to the first gray scale compensation value; controlling, according to the first gray scale compensation value, the preset calibration area for displaying; and controlling, according to the second gray scale compensation value, the non-preset calibration area for displaying.Type: ApplicationFiled: November 23, 2021Publication date: September 5, 2024Inventors: Yoongu KIM, Yizhuo ZHAO, Yuhua CHANG
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Publication number: 20240265844Abstract: A display panel, a control method thereof, and an electronic terminal are provided. The control method includes: determining whether a display frequency of the display panel is converted in each of x frames, wherein x is a positive integer greater than or equal to 2; and in response to determining that the display frequency of the display panel is converted in each of the x frames, changing a common voltage from a first voltage gradually to a second voltage in a plurality of frames, from at least a last frame in the x frames.Type: ApplicationFiled: April 24, 2023Publication date: August 8, 2024Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yizhuo ZHAO
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Patent number: 11990071Abstract: The present application discloses a display device. In the display device provided by the present application, by making the refresh frequencies correspond to the white balance look-up tables and the gamma voltages, when the refresh frequencies of the display panel change, the brightness of the images of the display panel can be adjusted by adjusting the white balance look-up table and the gamma voltage provided to the display panel.Type: GrantFiled: November 23, 2021Date of Patent: May 21, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yizhuo Zhao
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Publication number: 20240046840Abstract: A display device, a driving method thereof, and a display equipment are provided. The display device includes a driving module. The present disclosure allows a display panel to maintain a same brightness for image display when the display panel refreshes images at different refresh rates by allowing the refresh rates to correspond to gamma voltages and adjusting the gamma voltages to adjust a brightness of the display panel when a current refresh rate of the display panel changes. Serious flickers of the display device caused by the display device being switched at different refresh rates in a short time can be prevented.Type: ApplicationFiled: May 31, 2021Publication date: February 8, 2024Inventors: Yizhuo ZHAO, Qiusheng HUANG, Yuhua CHANG, Bin ZHAO
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Publication number: 20240013691Abstract: The present application discloses a display device. In the display device provided by the present application, by making the refresh frequencies correspond to the white balance look-up tables and the gamma voltages, when the refresh frequencies of the display panel change, the brightness of the images of the display panel can be adjusted by adjusting the white balance look-up table and the gamma voltage provided to the display panel.Type: ApplicationFiled: November 23, 2021Publication date: January 11, 2024Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yizhuo Zhao
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Publication number: 20230386378Abstract: The present application provides a luminance compensation method, a luminance compensation device, and a display device. Luminance compensation is performed on at least part of consecutive frames satisfying a condition of the luminance compensation, and the luminance compensation is not performed on the consecutive frames not satisfying the condition of the luminance compensation, thereby preventing a problem that the luminance compensation applied to a display device with free synchronization technology of traditional technology causing display of special images to deteriorate.Type: ApplicationFiled: March 15, 2021Publication date: November 30, 2023Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yizhuo ZHAO, Qiusheng HUANG, Yuhua CHANG, Bin ZHAO
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Patent number: 11735091Abstract: The driving method provided by the present application includes: detecting a refresh frequency of a display device based on a plurality of predicted frames to obtain a change rule of the refresh frequency; obtaining a current refresh frequency of the display device and a corresponding frame number information; predicting an expected timing when the display device switches the refresh frequency next time and an expected frequency value after switching according to the change rule, the current refresh frequency, and the corresponding frame number information; and performing a gray-scale compensation on the display device according to the expected frequency value and the expected timing.Type: GrantFiled: December 28, 2020Date of Patent: August 22, 2023Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yizhuo Zhao, Yuhua Chang, Bin Zhao
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Publication number: 20220327984Abstract: The driving method provided by the present application includes: detecting a refresh frequency of a display device based on a plurality of predicted frames to obtain a change rule of the refresh frequency; obtaining a current refresh frequency of the display device and a corresponding frame number information; predicting an expected timing when the display device switches the refresh frequency next time and an expected frequency value after switching according to the change rule, the current refresh frequency, and the corresponding frame number information; and performing a gray-scale compensation on the display device according to the expected frequency value and the expected timing.Type: ApplicationFiled: December 28, 2020Publication date: October 13, 2022Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yizhuo ZHAO, Yuhua CHANG, Bin ZHAO
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Patent number: 9427452Abstract: A method for preparing fermentation broth of fruits and vegetables includes steps of mixing fruits, vegetables, bacteria liquid of Lactobacillus acidophilus, bacteria liquid of Bifidobactreium longum, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and bacteria liquid of Streptococcus thermophilus, and processing fermentation to obtain the fermentation broth of fruits and vegetables. A fermenting course of the method could be controlled, and a fermenting period is reduced to 15 days.Type: GrantFiled: July 20, 2013Date of Patent: August 30, 2016Assignee: Jilin Zixin Pharmaceutical Research Institution LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li
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Patent number: 9320769Abstract: A pharmaceutical composition for relieving fatigue and preparation method thereof are provided. The pharmaceutical composition is prepared by mixing ethanol extract of ginseng, ethanol extract of astragalus, ethanol extract of epimedium, ethanol extract of yam, ethanol extract of polygonatum, ethanol extract of dodder, aqueous extract of wolfberry and a fermentation conversion solution of fruits and vegetables.Type: GrantFiled: July 15, 2011Date of Patent: April 26, 2016Assignee: Jilin Zixin Pharmaceutical Research Institution LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Xue Li, Yanhui Gao
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Patent number: 9301967Abstract: A method for preparing a pharmaceutical composition for enhancing immunity and a pharmaceutical composition prepared according to the method. The method includes steps of: mixing ginseng ethanol extract with fruit and vegetable fermentation conversion solution to obtain a mixture, namely, the pharmaceutical composition for enhancing immunity; wherein the ginseng ethanol extract is prepared by a following step of: reflux extracting ginseng by ethanol aqueous solution for obtaining the extract, namely, the ginseng ethanol extract; the fruit and vegetable fermentation conversion solution is prepared by following steps of: mixing fruit and vegetable, lactobacillus acidophilus bacteria solution, bifidobactreium longum bacteria solution, lactobacillus delbrueckii subsp. bulgaricus bacteria solution, streptococcus thermophilus bacteria solution with water, and then fermenting for obtaining a fermentation product, namely, the fruit and vegetable fermentation conversion solution.Type: GrantFiled: July 14, 2011Date of Patent: April 5, 2016Assignee: Jilin Zixin Pharmaceutical Research Institution LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li
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Patent number: 9089583Abstract: A pharmaceutical composition for strengthening spleen and stomach and a preparation method therefor. The method includes the step of mixing four substances listed below to obtain a mixture, wherein the mixture is the pharmaceutical composition for strengthening spleen and stomach, and the four substances are (A) ginseng ethanol extract, (B) volatile oil of largehead atractylodes rhizome and tangerine peels, (C) aqueous extract of Indian bread, yamaimo, lotus seeds, tangerine peels, liquorice root, hawthorn fruit, germinated barley, largehead atractylodes rhizome and rhizoma alismatis; (D) fermentation broth of fruits and vegetables.Type: GrantFiled: July 15, 2011Date of Patent: July 28, 2015Assignee: Jilin Zixin Pharmaceutical Research Institution LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li
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Publication number: 20130302454Abstract: A method for preparing fermentation broth of fruits and vegetables includes steps of mixing fruits, vegetables, bacteria liquid of Lactobacillus acidophilus, bacteria liquid of Bifidobactreium longum, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and bacteria liquid of Streptococcus thermophilus, and processing fermentation to obtain the fermentation broth of fruits and vegetables. A fermenting course of the method could be controlled, and a fermenting period is reduced to 15 days.Type: ApplicationFiled: July 20, 2013Publication date: November 14, 2013Applicant: Jilin Zixin Pharmaceutical Research Institution LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li
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Publication number: 20130302310Abstract: Pharmaceutical composition for relieving fatigue and preparation method thereof. A pharmaceutical composition for relieving fatigue and preparation method thereof are provided. The pharmaceutical composition is prepared by mixing ethanol extract of ginseng, ethanol extract of astragalus, ethanol extract of epimedium, ethanol extract of yam, ethanol extract of polygonatum, ethanol extract of dodder, aqueous extract of wolfberry and a fermentation conversion solution of fruits and vegetables.Type: ApplicationFiled: July 15, 2011Publication date: November 14, 2013Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Xue Li, Yanhui Gao
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Publication number: 20130302379Abstract: A method for preparing a pharmaceutical composition for enhancing immunity and a pharmaceutical composition prepared according to the method. The method includes steps of: mixing ginseng ethanol extract with fruit and vegetable fermentation conversion solution to obtain a mixture, namely, the pharmaceutical composition for enhancing immunity; wherein the ginseng ethanol extract is prepared by a following step of: reflux extracting ginseng by ethanol aqueous solution for obtaining the extract, namely, the ginseng ethanol extract; the fruit and vegetable fermentation conversion solution is prepared by following steps of: mixing fruit and vegetable, lactobacillus acidophilus bacteria solution, bifidobactreium longum bacteria solution, lactobacillus delbrueckiisubsp. bulgaricus bacteria solution, streptococcus thermophilus bacteria solution with water, and then fermenting for obtaining a fermentation product, namely, the fruit and vegetable fermentation conversion solution.Type: ApplicationFiled: July 14, 2011Publication date: November 14, 2013Applicant: JILIN ZIXIN PHARMACEUTICAL RESEARCH INSTITUTION LLC.Inventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li
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Publication number: 20130295079Abstract: A pharmaceutical composition for strengthening spleen and stomach and a preparation method therefor. The method includes the step of mixing four substances listed below to obtain a mixture, wherein the mixture is the pharmaceutical composition for strengthening spleen and stomach, and the four substances are (A) ginseng ethanol extract, (B) volatile oil of largehead atractylodes rhizome and tangerine peels, (C) aqueous extract of Indian bread, yamaimo, lotus seeds, tangerine peels, liquorice root, hawthorn fruit, germinated barley, largehead atractylodes rhizome and rhizoma alismatis; (D) fermentation broth of fruits and vegetables.Type: ApplicationFiled: July 15, 2011Publication date: November 7, 2013Applicant: Jilin Zixin Pharmaceutical Research Institution LLCInventors: Dejun Sun, Jinlong Yin, Miaonan Sun, Yizhuo Zhao, Chunsheng Guo, Yanhui Gao, Xue Li