Patents by Inventor Yonglei ZHANG
Yonglei ZHANG 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: 20240127766Abstract: The present application discloses a timing controller, a polarity grayscale compensation method, and a display panel. The timing controller includes a viewing angle compensation module, an overdriving module, a lookup module, and a compensation module. A corresponding grayscale compensation table is looked up according to a comparison result of a previous frame image data and a current frame image data, a grayscale compensation is performed on the current frame image data after overdriving processing to generate a data signal after grayscale compensation, which can decrease occurrences of bright and dark lines when time-domain viewing angle compensation is switched between frames.Type: ApplicationFiled: April 16, 2021Publication date: April 18, 2024Inventors: Yonglei ZHANG, Tao HE, Jhenwei HE
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Publication number: 20240054967Abstract: The present disclosure provides a display compensation method and device, and a display panel. The display compensation method includes: determining a central pixel column, a first pixel column, a second pixel column, a third pixel column, and a fourth column, in a predetermined direction; determining a target pixel area according to grayscale values of pixel units contained in each pixel column; and adjusting the grayscale value of each pixel unit in the target pixel area to be equal to one actual grayscale value of a picture to be displayed.Type: ApplicationFiled: August 10, 2021Publication date: February 15, 2024Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yonglei Zhang
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Patent number: 11875721Abstract: The application provides a display panel and a driving method thereof. The display panel comprises a plurality of sub-pixels arranged in a matrix, and the sub-pixels are grouped into a plurality of cell areas arranged repeatedly along the row direction and the column direction. Each cell area comprises at least two sub-pixels, with polarities of adjacent sub-pixels opposite to each other. For at least two consecutive frames during a display cycle, the gray-levels of sub-pixels in the cell area maintain unchanged while polarities of the sub-pixels are reversed.Type: GrantFiled: December 23, 2020Date of Patent: January 16, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yonglei Zhang, Tao He, Jhenwei He
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Publication number: 20240013741Abstract: The present disclosure provides a display device and a display method thereof. When a change of a grayscale data of a sub-pixel between a current frame and a previous frame, and a change of a polarity of a data voltage of the sub-pixel between the current frame and the previous frame satisfy a compensation condition, the grayscale data of the sub-pixel in the current frame is compensated.Type: ApplicationFiled: June 25, 2021Publication date: January 11, 2024Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Yonglei ZHANG
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Patent number: 11854505Abstract: A display compensation method and device, and a display panel are disclosed. The display panel includes a plurality of pixel units each including a plurality of subpixels. The display compensation method includes obtaining original grayscale values of sub-images included in a pending image corresponding to the pixel units, and determining the sub-images whose original grayscale value is less than or equal to a grayscale threshold value as a target sub-image. The target sub-image is displayed through each of the subpixels of a target pixel unit corresponding to the target sub-image, and each of the subpixels of the target pixel unit has a grayscale value equal to a grayscale value of the target sub-image.Type: GrantFiled: May 31, 2021Date of Patent: December 26, 2023Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yonglei Zhang
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Patent number: 11756495Abstract: A pixel structure driving method and a display device are provided. The driving method includes obtaining a polarity of each of the data lines of a current frame, determining a polarity of each of the sub-pixels according to the polarity of each of the data lines and an arrangement of the pixel structure, performing a value look-up process according to a polarity and an initial gray value of each of the sub-pixels to obtain a polarity high/low gray value of each of the sub-pixels, if a luminance of a high gray value of a positive polarity of a sub-pixel of a color is different from a luminance of a high gray value of a negative polarity of the sub-pixel of the color, adjusting the polarity high/low gray value of the sub-pixel. In this way, the occurrence of vertical strips in a still image could be alleviated.Type: GrantFiled: December 23, 2020Date of Patent: September 12, 2023Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Yonglei Zhang
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Publication number: 20230226567Abstract: A full-plastic trigger spray pump, comprising a pump body (1).Type: ApplicationFiled: October 20, 2020Publication date: July 20, 2023Applicant: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jun LI
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Publication number: 20230211365Abstract: A food pump with a safe outlet valve and an outer mounted spring comprises a pressing head (1), a primary column (2), a secondary column (3), a piston (4), a pump chamber (5), a spring (6) and a bottle locking cover (8). The pressing head (1) is installed on the primary column (2) which is arranged within the pump chamber (5). The secondary column (3) is connected to a lower end of the primary column (2). The piston (4) is sleeved on outer sides of the primary column (2) and the secondary column (3). A lock cover (9) capable of fixing the primary column (2) to the pump chamber (5) is fixed on the pump chamber (5). An outer side of an upper end of the lock cover (9) is provided with a cover flanging (91) which is turned outwards and then turned downwards to stretch. An upper end of the pump chamber (5) is inserted and fixed onto an inner side of the cover flanging (91). The lock cover (9) is provided with a locking opening (92) protruding upwards above the cover flanging (91).Type: ApplicationFiled: November 23, 2020Publication date: July 6, 2023Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
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Publication number: 20220398964Abstract: The application provides a display panel and a driving method thereof. The display panel comprises a plurality of sub-pixels arranged in a matrix, and the sub-pixels are grouped into a plurality of cell areas arranged repeatedly along the row direction and the column direction. Each cell area comprises at least two sub-pixels, with polarities of adjacent sub-pixels opposite to each other. For at least two consecutive frames during a display cycle, the gray-levels of sub-pixels in the cell area maintain unchanged while polarities of the sub-pixels are reversed.Type: ApplicationFiled: December 23, 2020Publication date: December 15, 2022Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yonglei ZHANG, Tao HE, Jhenwei HE
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Publication number: 20220392417Abstract: A display compensation method and device, and a display panel are disclosed. The display panel includes a plurality of pixel units each including a plurality of subpixels. The display compensation method includes obtaining original grayscale values of sub-images included in a pending image corresponding to the pixel units, and determining the sub-images whose original grayscale value is less than or equal to a grayscale threshold value as a target sub-image. The target sub-image is displayed through each of the subpixels of a target pixel unit corresponding to the target sub-image, and each of the subpixels of the target pixel unit has a grayscale value equal to a grayscale value of the target sub-image.Type: ApplicationFiled: May 31, 2021Publication date: December 8, 2022Inventor: Yonglei ZHANG
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Publication number: 20220310028Abstract: A pixel structure driving method and a display device are provided. The driving method includes obtaining a polarity of each of the data lines of a current frame, determining a polarity of each of the sub-pixels according to the polarity of each of the data lines and an arrangement of the pixel structure, performing a value look-up process according to a polarity and an initial gray value of each of the sub-pixels to obtain a polarity high/low gray value of each of the sub-pixels, if a luminance of a high gray value of a positive polarity of a sub-pixel of a color is different from a luminance of a high gray value of a negative polarity of the sub-pixel of the color, adjusting the polarity high/low gray value of the sub-pixel. In this way, the occurrence of vertical strips in a still image could be alleviated.Type: ApplicationFiled: December 23, 2020Publication date: September 29, 2022Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Yonglei ZHANG
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Patent number: 11415120Abstract: A waterproof emulsion pump with an external spring includes a pump body extending into a bottle body, a pump chamber is arranged in the pump body, a locking bottle cover is connected to the pump body, a pumping component is arranged in the pump chamber, and a locking cover is connected to the pump body; a one-way valve is arranged at a lower end of the pump chamber, an upper end of the pumping component is connected with a pressing head capable of driving the pumping component to operate, the pumping component includes an upper pump rod, a spring is arranged between the upper pump rod and the locking cover, a lower end of the upper pump rod is connected with a lower pump rod, a liquid inlet groove opening is formed in the lower pump rod.Type: GrantFiled: March 23, 2020Date of Patent: August 16, 2022Assignee: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
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Publication number: 20220223095Abstract: A display panel, and a method and a device for pixel compensation thereof are provided. The method includes receiving a signal of a frame of image, obtaining grayscale compensation data, and compensating the grayscale data. In the image in a same frame, polarities of grayscale compensation data of two adjacent sub-pixels are opposite. In a time period unit, respective polarities of high grayscale compensation data and low grayscale compensation data of each of the sub-pixels remain symmetrical.Type: ApplicationFiled: May 31, 2021Publication date: July 14, 2022Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yonglei ZHANG, Tao HE
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Patent number: 11383257Abstract: An all-plastic self-locking pump includes a pump body extending into a bottle, provided with a pump chamber and connected with a bottle locking cover, a suction assembly is arranged in the pump chamber, a check valve is arranged at a lower end of the pump chamber. A button is connected to an upper end of the suction assembly, a self-locking cover is arranged on the pump chamber, a plastic annular part is arranged in the pump chamber above the check valve, and an opening is formed in a side face of the plastic annular part. A locking mechanism is arranged between the button and the self-locking cover, and after the button is rotated to an unlocking position from a locking position, the button can be pressed to enable liquid in the bottle to be sprayed out of an outlet of the button.Type: GrantFiled: March 23, 2020Date of Patent: July 12, 2022Assignee: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
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Publication number: 20220121073Abstract: A display panel includes a plurality of pixel units arranged in an array and a plurality of data lines. The pixel units in two adjacent rows in two adjacent columns form a grayscale combined pixel. The grayscale combined pixel comprises three sub-pixels corresponding to the high grayscale and nine sub-pixels corresponding to the low grayscale.Type: ApplicationFiled: December 22, 2020Publication date: April 21, 2022Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yonglei ZHANG, Jhenwei HE, Tao HE
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Publication number: 20210405485Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a plurality of data line groups located on the substrate and adjacently arranged in order, a plurality of gate line groups located on the substrate and adjacently arranged in order, and a plurality of pixel electrode array units. The pixel electrode array units include a first pixel electrode, a second pixel electrode, and a third pixel electrode. The display panel improves arrangement of the pixel electrode array units, which effectively reduces graininess on a display screen and improves viewing angles of the display screen.Type: ApplicationFiled: January 13, 2020Publication date: December 30, 2021Inventor: Yonglei ZHANG
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Publication number: 20210381498Abstract: The invention discloses a waterproof emulsion pump with an external spring, which includes a pump body extending into a bottle body, a pump chamber is arranged in the pump body, a locking bottle cover is connected to the pump body, a pumping component is arranged in the pump chamber, and a locking cover is connected to the pump body; a one-way valve is arranged at a lower end of the pump chamber, an upper end of the pumping component is connected with a pressing head capable of driving the pumping component to operate, the pumping component includes an upper pump rod, a spring is arranged between the upper pump rod and the locking cover, a lower end of the upper pump rod is connected with a lower pump rod, a liquid inlet groove opening is formed in the lower pump rod, a piston is sleeved on an outer side of the lower pump rod, a pushing part is arranged on the upper pump rod, and a protruding part capable of contacting with a lower end of the piston to push the piston to move upwardly is arranged on the lowerType: ApplicationFiled: March 23, 2020Publication date: December 9, 2021Applicant: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG
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Publication number: 20210291214Abstract: An all-plastic self-locking pump includes a pump body extending into a bottle, provided with a pump chamber and connected with a bottle locking cover, a suction assembly is arranged in the pump chamber, a check valve is arranged at a lower end of the pump chamber. A button is connected to an upper end of the suction assembly, a self-locking cover is arranged on the pump chamber, a plastic annular part is arranged in the pump chamber above the check valve, and an opening is formed in a side face of the plastic annular part. Positions where the button stays include a locking position and an unlocking position, a locking mechanism is arranged between the button and the self-locking cover, and after the button is rotated to the unlocking position from the locking position, the button can be pressed to enable liquid in the bottle to be sprayed out of an outlet of the button.Type: ApplicationFiled: March 23, 2020Publication date: September 23, 2021Applicant: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG
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Publication number: 20210291212Abstract: The invention discloses a pump with a left and right locking structure and an external spring, which includes a pump body extending into a bottle body, a pump chamber is arranged on the pump body, a locking bottle cover is connected to the pump body, a pumping member is arranged in the pump chamber, a locking cover is provided at an inner wall of the pump chamber, a one-way valve is provided at a lower end of the pump chamber, a bent nozzle is provided at an upper end of the pumping member, a liquid guiding pipe capable of extending into the bottle body is arranged on the pump body and located below the one-way valve, the pumping member includes a pump rod, a liquid inlet hole is formed below the pump rod, a piston is sleeved on the pump rod, an air inlet hole is formed in the pump body, a pushing part is arranged on the pump rod, the locking cover is further provided with a limiting protruding block, and a reset spring is arranged between the locking cover and the bent nozzle; and a limiting member capable oType: ApplicationFiled: April 2, 2020Publication date: September 23, 2021Applicant: MAJESTY PACKAGING SYSTEMS LIMITEDInventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Junhan HUANG
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Publication number: 20210229123Abstract: A lotion pump structure includes a pump body extending into a bottle body and has a pump chamber and connected with a bottle-locking cap for fixing the pump body to the bottle body, the pump chamber internally has a pumping assembly to pump lotion upwards; the pump chamber lower end has a one-way valve, the pumping assembly upper end is connected with a bent mouth, the pump chamber inner wall has a locking cap, and a spring is between the locking cap upper end surface and the bent mouth; the pumping assembly includes a pump lever having at least one liquid inlet and connected with a piston, a limit assembly is between the pump lever and the locking cap to prevent the bent mouth from being pressed down when the pump lever rotates a certain angle. The structure is simple, self-locking, plastic, convenient for recycling, energy-saving and environmentally friendly.Type: ApplicationFiled: January 17, 2020Publication date: July 29, 2021Applicant: Majesty Packaging Systems LimitedInventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG