Patents Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Patent number: 12204189Abstract: A manufacturing method of a display device, the display device, and a spliced display device are disclosed. The display device includes a liquid crystal display panel (LCD display panel), a plurality of pad units, a plurality of conductive units, and a plurality of mini light-emitting diodes (mini-LEDs). The mini-LEDs are manufactured in a bezel area of the LCD display panel to allow the bezel area of the LCD display panel which does not emit light and display originally to display by the mini-LEDs, thereby improving a screen ratio of the display device and improving product competitiveness of the spliced display device.Type: GrantFiled: December 16, 2021Date of Patent: January 21, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jun Zhao, Bin Zhao, Juncheng Xiao, Hongyuan Xu, Huajun Lu
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Patent number: 12205539Abstract: A pixel driving circuit and a mobile terminal are provided. The pixel driving circuit includes a switch circuit, a storage circuit, and a light driving circuit. The switch circuit receives data signal applied on the data line in response to scan signal applied on the scan line. The storage circuit is charged by the data signal. The light driving circuit emits light in response to the data signal. The light driving circuit includes a driving unit, light-emitting unit, a supply voltage end, a ground end, and a voltage dividing unit that is coupled between the driving unit and the ground end.Type: GrantFiled: August 10, 2021Date of Patent: January 21, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Daobing Hu
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Patent number: 12204202Abstract: Polarizers, manufacturing methods thereof, and display panels are provided. The polarizer includes a substrate having an integrated structure. The substrate includes a first part and a second part disposed on a side of the first part. The first part includes lyotropic liquid crystal molecules and is dispersed with a dichroic material. The second part includes lyotropic liquid crystal molecules without the dichroic material. The first part functions as a polarization part of the polarizer, and the second part functions as a compensation part of the polarizer.Type: GrantFiled: December 31, 2023Date of Patent: January 21, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jiacong Guo, Ji Li
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Patent number: 12205511Abstract: The present application provides a display panel, a driving method thereof, and an electronic device, wherein the electronic device includes the display panel, and the driving method of the display panel is used to drive the display panel, a driving unit of the display panel drives first sub-pixels and second sub-pixels to display alternately with a first display gray scale and a second display gray scale, and drives third sub-pixels to display with a third gray scale value, so as to alleviate a problem of serious color shift at large viewing angles and improve clarity of a displayed picture.Type: GrantFiled: August 23, 2021Date of Patent: January 21, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jhenwei He
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Patent number: 12204217Abstract: 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: GrantFiled: December 22, 2020Date of Patent: January 21, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Yonglei Zhang, Jhenwei He, Tao He
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Patent number: 12204214Abstract: An array substrate and a liquid crystal display panel are provided. A shielding electrode is at least arranged between a data line and a pixel electrode. On a base substrate, an orthogonal projection of the shielding electrode and an orthogonal projection of the data line both overlap with an orthogonal projection of a portion of a trunk electrode extending along a direction of a data line, so that the shielding electrode shields a coupling effect between the data line and the pixel electrode. By arranging the data line and the shielding electrode in an area corresponding to the trunk electrode of a pixel electrode, less space or no space are occupied by the shielding electrode and the data line. The present application increases an aperture ratio of the pixel and increases a transmittance of the display panel.Type: GrantFiled: March 30, 2023Date of Patent: January 21, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jinming Liu
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Patent number: 12204213Abstract: The present application discloses a pixel unit of a display panel, a lower substrate of a display panel, and a display panel. The present application by disposing a transparent shielding electrode element connected to a common signal line and extending into the aperture region and making an orthogonal projection of the transparent shielding electrode element on a plane where the common signal line is located at least partially overlap the common signal line, extends a shielding effect provided by the common signal line such that a parasitic capacitor between the pixel electrode and the data line is lowered.Type: GrantFiled: November 4, 2021Date of Patent: January 21, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Liu Yang, Yi Liu, Chengcai Dong
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Patent number: 12205515Abstract: The present disclosure provides a signal delay adjustment device for a display device, which enables a fan-out delay duration of all fan-out wires to be substantially same, so that at a same time, pixel brightness of all pixels controlled by the fan-out wires in a fan-out area is substantially same because applied voltages are substantially same, thereby improving uniformity of the display device and preventing occurrences of color deviation.Type: GrantFiled: December 31, 2020Date of Patent: January 21, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jinfeng Liu
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Publication number: 20250020956Abstract: A spliced display device is provided. The spliced display device includes at least two hybrid display devices spliced together. Each of the hybrid display device comprises a display panel and a light-emitting module. The backlight module is disposed corresponding to a display area, and the display module is disposed corresponding to a border area and is configured for image display in the border area. The spliced display device further comprises an optical clear adhesive and a seam further located between two of the hybrid display devices adjoining each other. The optical clear adhesive is applied in the seam.Type: ApplicationFiled: September 29, 2024Publication date: January 16, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Feng ZHENG, Wenxue HUO
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Publication number: 20250020964Abstract: The present disclosure provides a display panel and a display device. The display device includes the display panel. The display panel includes a first substrate and a second substrate opposite to the first substrate. The first substrate includes a first base substrate and a plurality of the data lines arranged on the first base substrate. The second substrate includes a second base substrate. The display panel further includes a black matrix disposed on one of the first base substrate and the second base substrate. An orthographic projection of the data lines on the first base substrate and an orthographic projection of the black matrix on the first base substrate do not overlap.Type: ApplicationFiled: September 30, 2024Publication date: January 16, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: He ZHAO
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Publication number: 20250021186Abstract: A touch panel, a driving method thereof and an electronic terminal are provided. The touch panel includes a touch controller, a touch layer and a wiring layer. The touch layer includes a plurality of touch units that are spaced apart. The wiring layer includes a plurality of touch lines connected between the touch controller and the plurality of touch units, and a plurality of switches each connected to two corresponding touch lines such that when the switch is turned on, at least two corresponding touch units form a same touch area to transmit a touch signal to the touch controller.Type: ApplicationFiled: March 31, 2023Publication date: January 16, 2025Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co, Ltd.Inventors: Youngil BAN, Jinfeng LIU
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Publication number: 20250020953Abstract: A polarizer and a liquid crystal display device are disclosed. The polarizer includes a first protection film, a polarization layer, a second protection film, a chroma viewing angle enhancement layer, and a surface protection film laminated. Material of the chroma viewing angle enhancement layer includes a resin composite. The resin composite includes a light diffusion agent. The light diffusion agent is aligned in the chroma viewing angle enhancement layer, an acute angle is defined between a long axis direction of light diffusion agent and a bottom surface of the chroma viewing angle enhancement layer, and the acute angle is greater than 0° and is less than or equal to 40°.Type: ApplicationFiled: August 10, 2023Publication date: January 16, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ji LI, Guang ZENG, Hanming LI, Hongshan YIN, Fang TAN, Kai CHEN
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Publication number: 20250022885Abstract: A display panel is provided, including sub-pixels arranged in a first display region, pixel driving circuits arranged in a first border region, gate lines, and a power control unit. The gate lines include first gate lines arranged in the first display region and at least one second gate line arranged in the first border region. Each first gate line is electrically connected between a gate driver and the corresponding pixel driving circuit. The at least one second gate line is electrically connected to the corresponding pixel driving circuit. A power line of the power control unit is electrically connected to the at least one second gate line.Type: ApplicationFiled: August 10, 2023Publication date: January 16, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xueqiang ZHANG, Qiuxia SHI
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Patent number: 12198651Abstract: A pixel circuit of the present invention includes a thin-film transistor, a first scan line, a second scan line, and a data line. The first scan line is arranged along a first direction. The first scan line is electrically connected to the thin-film transistor. The second scan line is arranged along a second direction. The second scan line is electrically connected to the first scan line. The second direction is perpendicular to the first direction. The data line is arranged along the second direction. The data line is electrically connected to the thin-film transistor. The pixel circuit also includes an auxiliary scan line. The auxiliary scan line is arranged along the second direction. Two ends of the auxiliary scan line are electrically connected to the second scan line.Type: GrantFiled: November 15, 2021Date of Patent: January 14, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Hongquan Wei, Yichen Bai, Yanxi Ye
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Patent number: 12197079Abstract: The present application relates to a backlight board, a manufacturing method, and a display panel. A substrate of the backlight board carries a reflective layer, a white oil layer, soldering pads, and lamp beads. Windows are defined in the white oil layer. Soldering pads are disposed in the windows. The lamp beads are electrically connected to the soldering pads. The reflective layer is configured to reflect light emitted from the electrified lamp beads, which achieves reflection of light emitted from the lamp beads to the reflective layer, improvement of reflectivity of the backlight board, and enhancement of a light usage rate of the backlight board.Type: GrantFiled: August 8, 2022Date of Patent: January 14, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Zhuonan Shi
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Patent number: 12199075Abstract: A spliced panel is provided. A light-emitting diode substrate is disposed on two adjacent display panels and blocks a gap. A substrate comprises a first surface, a second surface, and a third surface. The first surface and the second surface are disposed opposite to each other. The third surface is connected between the first surface and the second surface. A plurality of light-emitting diodes are disposed on the first surface. The reflective layer is disposed on the third surface. An angle between the third surface and the second surface is greater than or equal to 90°.Type: GrantFiled: November 22, 2021Date of Patent: January 14, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jun Zhao, Juncheng Xiao, Daobing Hu
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Patent number: 12199074Abstract: Disclosed are a display panel and a manufacturing method thereof. The display panel comprises: a substrate, a plurality of conductive units and a plurality of Mini LEDs. A material of the conductive units is conductive ink, and the conductive ink comprises a prepolymer, a monomer, a conductive filler and a photoinitiator. The viscosity of the conductive ink itself is employed to adsorb the Mini LEDs to improve the transfer accuracy of the Mini LEDs and to prevent the weak adsorption between the Mini LEDs and the conductive units, which affects the electrical connection between the conductive units and the Mini LEDs.Type: GrantFiled: September 18, 2021Date of Patent: January 14, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Changming Xiang
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Patent number: 12197063Abstract: A display module is provided. The display module includes a display panel and a first light-blocking layer. The display panel includes a plurality of pixels disposed at intervals. The first light-blocking layer is disposed on a light exit side of the display panel, and the first light-blocking layer includes a plurality of light-filtering units disposed at intervals and reflected light-reducing layers each of which disposed between the corresponding light-filtering units which are adjacent to each other. The light-filtering units are respectively disposed corresponding to the plurality of pixels. The display module can achieve an anti-glare effect, and have better quality of displayed pictures.Type: GrantFiled: May 13, 2022Date of Patent: January 14, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Weiheng Yang, Hong Yang, Zhichao Liao
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Patent number: 12190773Abstract: The present disclosure provides a setting method of a display panel and the display panel, the method includes: acquiring a first chromaticity information of a first gray scale and a second chromaticity information of a second gray scale; acquiring a first difference value between the first chromaticity information and the second chromaticity information; and adjusting gray scale voltages of the first gray scale and/or the second gray scale when the first difference value is greater than a preset difference threshold, and a second difference value between the first chromaticity information and the second chromaticity information after adjustment is less than the first difference value.Type: GrantFiled: October 23, 2020Date of Patent: January 7, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bo Hai
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Patent number: 12190766Abstract: The present disclosure discloses a driving circuit and a display device. The driving circuit of the present disclosure inputs a level signal to a first node under the control of a first signal control terminal and a second signal control terminal, and then outputs a signal of a first power supply terminal or a second power supply terminal to the output terminal under the control of the level signal of the first node, so as to output different level signals under the control of two the control signals, thereby resolving a problem that one timing controller cannot be directly matched with different gate driving chips in use.Type: GrantFiled: April 18, 2022Date of Patent: January 7, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jialong Li