Patents Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Patent number: 11978414Abstract: The present application discloses a display panel and a display device. The display panel includes a first voltage dividing signal line, a second voltage dividing signal line, and a first subpixel group and a second subpixel group alternately arranged. The first subpixel group includes at least one column of first subpixels, and the second subpixel group includes at least one column of second subpixels. The first voltage dividing signal line is electrically connected to the first subpixels and is loaded with a first voltage dividing signal, and the second voltage dividing signal line is electrically connected to the second subpixels and is loaded with a second voltage dividing signal.Type: GrantFiled: October 11, 2021Date of Patent: May 7, 2024Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Li Zhao
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Patent number: 11971623Abstract: According to an embodiment of the present disclosure, a display screen, a display device, and a method for manufacturing the display screen are disclosed. The display screen includes a display panel and a light bar. The light bar includes an array substrate and a plurality of light emitting elements, and a first gap is provided between two adjacent light emitting elements. A reflecting wall is arranged in the first gap between at least two adjacent light emitting elements. By arranging the reflecting wall, the side light of the light emitting elements can be reflected upwards, thereby reducing an emission angle of the light bar.Type: GrantFiled: December 22, 2021Date of Patent: April 30, 2024Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Huajun Lu, Juncheng Xiao, Hongyuan Xu
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Publication number: 20240138230Abstract: The present application discloses a display panel and a display device. The display panel includes a plurality of sub-pixels, a cathode, and an auxiliary electrode disposed in a layer different from the cathode. An extension length of the sub-pixel along the first direction is smaller than an extension length of the sub-pixel along the second direction, and the second direction intersects the first direction. The cathode contact hole is located between at least two adjacent rows of the sub-pixels, or the cathode contact hole is located between at least two adjacent columns of sub-pixels and extends along the first direction.Type: ApplicationFiled: March 24, 2022Publication date: April 25, 2024Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.Inventors: Chao He, Shijian Qin
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Patent number: 11960186Abstract: A liquid crystal display panel and a display device are provided. A first metal line is disposed on a first substrate of the liquid crystal display panel. An orthographic projection of the first metal line on a pixel electrode covers a first trunk electrode. A voltage difference V1 between the first metal line and a common electrode is small, so that a liquid crystal molecule corresponding to the first metal line does not deflect. In this way, a problem of an insufficient liquid crystal recovery force when the liquid crystal display panel is pressed is resolved, eliminating poor liquid crystal diffusion as a result of pressing and resulting in improving display quality.Type: GrantFiled: July 28, 2021Date of Patent: April 16, 2024Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Yani Chen
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Patent number: 11960172Abstract: The present application discloses a liquid crystal display panel, a method for manufacturing the liquid crystal display panel, and a curved display. The liquid crystal display panel is configured with an alignment layer only on an array substrate, but not on an opposing substrate opposite to the array substrate. After photo-alignment, a pretilt angle of liquid crystal molecules near the array substrate is greater than a pretilt angle of liquid crystal molecules near the opposing substrate to effectively mitigate a problem of “black clusters.Type: GrantFiled: July 13, 2021Date of Patent: April 16, 2024Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Liang Yu, Feng Zheng
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Publication number: 20240113082Abstract: According to an embodiment of the present disclosure, a display screen, a display device, and a method for manufacturing the display screen are disclosed. The display screen includes a display panel and a light bar. The light bar includes an array substrate and a plurality of light emitting elements, and a first gap is provided between two adjacent light emitting elements. A light absorbing layer is arranged in the first gap between at least two adjacent light emitting elements. By arranging the light absorbing layer, the side light of the light emitting elements can be partially absorbed, thereby reducing an emission angle of the light bar.Type: ApplicationFiled: December 22, 2021Publication date: April 4, 2024Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Huajun LU, Juncheng XIAO, Hongyuan XU
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Patent number: 11942051Abstract: A display panel, a control method thereof, and a storage medium are provided. The method includes acquiring a first actual brightness parameter and a first reference brightness parameter at a first position; determining a first compensated brightness parameter at the first position according to the first reference brightness parameter and the first actual brightness parameter if the absolute value of the difference between the first reference brightness parameter and the first actual brightness parameter is not less than a first threshold; and determining a first target brightness parameter at the first position according to the first compensated brightness parameter and a first preset brightness parameter at the first position.Type: GrantFiled: April 30, 2021Date of Patent: March 26, 2024Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Fengcheng Xu, Jinfeng Liu
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Publication number: 20240072011Abstract: A display screen splicing method and a spliced display screen are provided. According to the display screen splicing method provided in the embodiments of the present disclosure, a first to-be-spliced panel is connected to a second to-be-spliced panel in a splicing area using conductive connecting portions. In addition, the conductive connecting portions are manufactured by inkjet printing to perform connection between the two adjacent to-be-spliced panels by using signals, so as to realize narrow-seam splicing. By means of the display screen splicing method provided in the embodiments of the present disclosure, the process is simplified, and the precision requirements for devices are reduced.Type: ApplicationFiled: December 13, 2021Publication date: February 29, 2024Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD, TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zeke ZHENG
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Patent number: 11914234Abstract: A touch panel and a touch display device are provided. The touch panel includes a display module and a package cover plate. The display module includes a display screen and a first polarizer placed on a side of the display screen. A first frame glue is placed between the package cover plate and the display module, and the first frame glue, the package cover plate and the display module form a cavity. A first liquid crystal is filled in the cavity. The first liquid crystal includes a plurality of first liquid crystal molecules, and orthogonal projections of light axes of some of the first liquid crystal molecules intersect a polarization direction of the first polarizer.Type: GrantFiled: July 17, 2020Date of Patent: February 27, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chingyuan Cheng
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Patent number: 11906839Abstract: The present disclosure provides a display device and an electronic equipment. The display device includes: a display module, the display module having a light emitting side; a phase retarder, the phase retarder is disposed on the light emitting side of the display module; wherein a range of a compensation value of the phase retarder is [?/16, ?/4), (?/4, 7?/16], [9?/16, 3?/4) or (3?/4, 15?/16], where ? is a wavelength of light emitted by the display module.Type: GrantFiled: August 4, 2020Date of Patent: February 20, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bo Hai
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Patent number: 11906834Abstract: A touch panel and a display device are disclosed. The touch panel includes a first area and a second area, and further includes: a plurality of first electrodes located in the first area and a plurality of second electrodes located in the second area. An arrangement density of the first electrodes is greater than an arrangement density of the plurality of second electrodes.Type: GrantFiled: May 20, 2020Date of Patent: February 20, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11899301Abstract: A photosensitive color-changing touch control display device includes a display panel, a photosensitive color-changing touch control panel, a driving chip, and a central processing unit. The photosensitive color-changing touch control panel includes a plurality of touch control electrodes and a plurality of photoresistors. When a resistance of the photoresistor changes, the driving chip transmits the obtained current change signal to the central processing unit, and the central processing unit controls the display panel corresponding to a region where a current change occurs to change color.Type: GrantFiled: July 14, 2020Date of Patent: February 13, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11867996Abstract: A surface finishing method, an anti-glare coating, and a display device having same are provided. The surface finishing method includes adding diffusion particles which have a density less than that of a resin material, and controlling the thickness of the resin material in an anti-glare material coated on a surface of a substrate to be greater than the particle size of the diffusion particles, so that the diffusion particles are evenly dispersed in the resin layer, and a part of the volume of the diffusion particles are exposed on a surface of the resin layer. Thus, the uniformity of the surface haze of the anti-glare coating can be enhanced, and flashing points of the display device can be avoided.Type: GrantFiled: June 5, 2020Date of Patent: January 9, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chingyuan Cheng
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Patent number: 11868007Abstract: A liquid crystal display panel and a liquid crystal display device are disclosed. The liquid crystal display panel includes a display module and a packaging cover plate disposed on a light-emitting side of the display module. The packaging cover plate includes a cover plate body and a first polarizer, wherein the first polarizer is disposed on a side of the cover plate body adjacent to the display module and/or on a side of the cover plate body away from the display module.Type: GrantFiled: July 3, 2020Date of Patent: January 9, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11861085Abstract: A touch panel is disclosed. The touch panel includes a substrate, a touch layer positioned on the substrate, and a photochromic layer positioned on the touch layer. The photochromic layer includes a photosensitive resistor layer positioned on the touch layer and connecting to the touch layer, and a color-changing cathode layer, positioned on the photosensitive resistor layer.Type: GrantFiled: July 9, 2020Date of Patent: January 2, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11775093Abstract: A touch display device is provided. The touch display comprises a display area and a non-display area adjacent to the display area. The touch display device further comprises a display panel, a touch panel disposed opposite to the display panel, and a first narrow frame glue disposed between the display panel and the touch panel in the non-display area. The display panel comprises a non-display transparent portion corresponding to the first narrow frame glue in the non-display area.Type: GrantFiled: July 3, 2020Date of Patent: October 3, 2023Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11747937Abstract: The present disclosure provides a touch display panel and a manufacturing method thereof. The present disclosure is a novel touch display panel that combines mini-LEDs and micro-LEDs with touch in a form of active light emission. The present disclosure arranges thin film transistors and touch electrodes on a substrate, so that the micro-LEDs or mini-LEDs can realize three-color display.Type: GrantFiled: September 4, 2020Date of Patent: September 5, 2023Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11741587Abstract: The present application discloses a mura detecting method, device and readable storage medium. The method includes obtaining an area of a target test image obtained from an original image signal where mura exists to serve as a target test area; processing the target test area to obtain a grayscale distribution; obtaining a brightness gradient distribution based on the grayscale distribution; calculating a SEMU value based on the brightness gradient distribution; and obtaining a location corresponding to the mura area based on the SEMU value. It realizes objective measurement and evaluation of halo phenomenon.Type: GrantFiled: July 1, 2020Date of Patent: August 29, 2023Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yanxue Wang
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Publication number: 20230251517Abstract: A touch panel and a touch display device are provided. The touch panel includes a package cover plate and a touch substrate disposed opposite to each other, and a connection layer disposed between the package cover plate and the touch substrate. The touch substrate comprises a substrate, and a touch trace layer disposed on a side of the substrate close to the package cover plate. A light shielding layer is disposed on a side of the package cover plate close to the touch substrate. An orthographic projection of the light shielding layer projected on the substrate at least partially overlaps an orthographic projection of the touch trace layer projected on the substrate.Type: ApplicationFiled: July 9, 2020Publication date: August 10, 2023Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chongming Hu, Chingyuan Cheng
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Patent number: 11688323Abstract: A pixel array is provided. The pixel array includes a plurality of pixel units. Each pixel unit correspondingly includes a plurality of sub-pixels having a plurality of color types, and the sub-pixels having the color types include at least one blue sub-pixel. In the pixel array, a proportion of the at least one blue sub-pixel is larger than a proportion correspondingly of at least one sub-pixel of the sub-pixels correspondingly having each color type of other color types of the color types.Type: GrantFiled: October 16, 2019Date of Patent: June 27, 2023Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yuecu Lin