Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
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Patent number: 11978418Abstract: The present application refers to a control method and control device of a drive circuit, and a drive circuit. The control method of the drive circuit includes: acquiring a bus address in a bus signal. The bus signal is a signal transmitted over an I2C bus, and the I2C bus is connected to a timing controller. The control method further includes: if the timing controller determining that the bus address matches an address of the timing controller, transmitting a frequency adjustment signal to a controllable power supply with an adjustable operating frequency and connected to the timing controller. The frequency adjustment signal is configured to indicate that an operating frequency of the controllable power supply is adjusted from a first operating frequency to a second operating frequency. The second operating frequency is higher than the first operating frequency.Type: GrantFiled: June 10, 2020Date of Patent: May 7, 2024Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Mingliang Wang
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Patent number: 11967296Abstract: In the field of liquid crystal display technology, a liquid crystal display device and a driving method thereof. The driving method includes steps of: detecting whether a light leakage has occurred in the liquid crystal display device; and adjusting a turn-off voltage output from a gate driver to a gate of a switch element to reduce an absolute value of a voltage difference between the turn-off voltage and a common voltage when the light leakage has occurred in the liquid crystal display device. In the embodiments, the phenomenon of light leakage at the dislocation caused by the dislocation between the color filter substrate and the array substrate when the liquid crystal display device is subjected to external pressure can be effectively improved, thereby improving the display effect of the liquid crystal display device.Type: GrantFiled: October 3, 2022Date of Patent: April 23, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Zeyao Li, Rongrong Li
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Patent number: 11966135Abstract: A display panel, including a pixel array; multiple rows of gate lines; and multiple columns of data lines; the gate lines and the data lines are perpendicular to each other, respectively, and every two gate lines are correspondingly connected to a row of sub-pixels, and each data line is correspondingly connected to two columns of sub-pixels; each row of pixels is correspondingly connected to two gate lines, and any two gate lines are parallel to each other; and there is a preset length difference between two adjacent rows of gate lines. The wiring of the display panel is convenient to be array detected, and improving the production yield of the display panel.Type: GrantFiled: December 14, 2018Date of Patent: April 23, 2024Assignees: Chongqing Advance Display Technology Research, Chongqing HKC Optoelectronics Technology Co., Ltd.Inventor: Chuan Wu
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Patent number: 11946971Abstract: A power circuit and a testing device are provided. A first voltage output circuit of the power circuit provides normal working voltage to electronic device, and a second voltage output circuit provides aging voltage to electronic device. The aging voltage is greater than the normal working voltage, and a controller stores a preset failure rate curve of an electronic device and controls switching of output voltages of the first voltage output circuit and the second voltage output circuit according to the preset failure rate curve.Type: GrantFiled: September 27, 2020Date of Patent: April 2, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventor: Wenxin Li
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Patent number: 11947158Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane, a light guide plate and a light source. The backplane includes a first surface and a second surface opposite to the first surface. The light guide plate includes a light output portion provided on the first surface and a bending portion provided with a light input end on the second surface, and an end of the light output portion facing the second surface of the backplane is bent and extended to form the bending portion. The light source is provided on the second surface and corresponds to a light input end face of the light input end.Type: GrantFiled: November 10, 2022Date of Patent: April 2, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Ye Wan, Baohong Kang
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Patent number: 11927847Abstract: A display panel and a display device are provided. The display panel includes a light-filtering layer, a color film substrate, a driving substrate, and a reflecting layer. The reflecting layer, the driving substrate, the light-filtering layer, and the color film substrate are stacked in sequence. The light-filtering layer includes a black matrix with multiple second openings, and each of the multiple second openings is filled with one light-filtering sub-pixel. The reflecting layer defines multiple first openings, and each of the multiple first openings is aligned with one second opening.Type: GrantFiled: December 21, 2022Date of Patent: March 12, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Ye Wan, Rongrong Li
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Patent number: 11886065Abstract: The present disclosure relates to a display panel, a temperature compensation method thereof and a display device. The display panel includes: a first substrate; a second substrate; a liquid crystal layer; a plurality of temperature sensors; a plurality of heaters; an electrical signal supply circuit; a processor; and a controller. The display device includes a driving circuit and the display panel. The driving circuit includes a source driving circuit, a gate driving circuit, and a timing controller.Type: GrantFiled: June 10, 2020Date of Patent: January 30, 2024Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kaijun Liu, Yu Lien Chou, Je-Hao Hsu
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Patent number: 11860482Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel 100 includes: a first substrate 111; a second substrate 112; and a sealant 132, adhering the first substrate 111 and the second substrate 112 in a sealed manner. The first substrate 111 is provided with at least one metallic wire 120 in a sealant region 130. The sealant region 131 is provided with a depressed portion 141.Type: GrantFiled: April 29, 2022Date of Patent: January 2, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventor: Junhong Cao
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Patent number: 11856814Abstract: The present disclosure provides a display panel and a manufacturing method for the display panel. The display panel includes a substrate, a switch assembly disposed on the substrate, and a light-sensing assembly disposed on a side of the switch assembly. The switch assembly comprises an indium gallium zinc oxide (IGZO) layer.Type: GrantFiled: April 1, 2022Date of Patent: December 26, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: En-Tsung Cho
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Patent number: 11852913Abstract: The present application discloses a manufacturing method of a display panel and a display panel. The manufacturing method includes the steps: forming a color filter layer on a substrate; confirming a colorfilter-to-be-stripped in the color filter layer; and stripping the colorfilter-to-be-stripped by using a selected stripping liquid; the color filter layer includes a first color filter, a second color filter and a third color filter; and the colorfilter-to-be-stripped includes one or two of the first color filter, the second color filter and the third color filter, and the method of stripping the colorfilter-to-be-stripped by the selected stripping liquid includes: letting the colorfilter-to-be-stripped react with the selected stripping liquid, and stripping the colorfilter-to-be-stripped by the selected stripping liquid, and forming a protective layer on the surface of the color filters except the colorfilter-to-be-stripped.Type: GrantFiled: April 22, 2022Date of Patent: December 26, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Chung-Kuang Chien
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Patent number: 11847945Abstract: Provided herein is a circuit for ageing display panel, including an ageing signal input circuit, a power input circuit and a power output circuit, in which the ageing signal input circuit and the power input circuit are independently connected to the power output circuit, and the power output circuit is connected to a load; the ageing signal input circuit is configured to receive an ageing signal and output the ageing signal to the power output circuit; the power input circuit is configured to provide a supply voltage for the power output circuit; and the power output circuit is configured to output the received supply voltage to the load.Type: GrantFiled: May 25, 2022Date of Patent: December 19, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Wenxin Li
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Patent number: 11846386Abstract: The present disclosure provides a mounting jig and a mounting method. The mounting jig is configured to mount a wall-hanging piece on a wall. At least two grooves configured to fix the wall-hanging piece are disposed on the wall hanging piece. The mounting jig includes at least two positioning structures. A spacing between the positioning structures is equal to a spacing between the grooves corresponding to the positioning structures.Type: GrantFiled: November 16, 2018Date of Patent: December 19, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Jiahe Cheng
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Patent number: 11848551Abstract: The present application discloses an over-current protection circuit, a driving method for the over-current protection circuit and a display device. The over-current protection circuit includes a detection circuit, a first protection branch and a comparison circuit; where the detection circuit detects the current of a preset detection point in real time and obtains a detection voltage based on the current passing through the detection point; the first protection branch includes a delayer which delays the detection voltage obtained by the detection circuit for a preset time and then outputs a first reference voltage; and the comparison circuit compares the detection voltage with the first reference voltage.Type: GrantFiled: June 1, 2020Date of Patent: December 19, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Wei Chen, Chongwei Tang, Yubo Gu
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Patent number: 11841579Abstract: A backlight module and a liquid crystal display panel are provided. The backlight module includes a substrate, multiple light emitting diodes, a quantum dot layer, a light-shielding layer, and a heat dissipation structure. The substrate has a first surface and a second surface opposite to the first surface. The multiple light emitting diodes are disposed on the first surface. The quantum dot layer is disposed on one side of the multiple light emitting diodes facing away from the substrate. The multiple light emitting diodes are each configured to emit lights of a first color. The lights of the first color are of the first color, a second color, or a third color after passing through the quantum dot layer. The light-shielding layer is disposed between each two adjacent light emitting diodes. The heat dissipation structure is disposed on the second surface.Type: GrantFiled: November 21, 2022Date of Patent: December 12, 2023Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Xiaogang Hu, Haoxuan Zheng
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Publication number: 20230380213Abstract: A display panel and a display device are provided in the disclosure. The display panel includes a carrier substrate, multiple emitting units disposed on the carrier substrate, and multiple light absorbing and reflecting assemblies. The multiple light absorbing and reflecting assemblies are disposed in correspondence with the multiple light emitting units and each of the multiple light absorbing and reflecting assemblies defines an opening, and where the light absorbing and reflecting assembly is configured to reflect at least part of light emitted by the light emitting unit to radiate through the opening, and to absorb external ambient light.Type: ApplicationFiled: December 27, 2022Publication date: November 23, 2023Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd, HKC Corporation LimitedInventors: Yang PU, Rongrong LI
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Patent number: 11822184Abstract: Disclosed are a backlight module, a display device structure and a display device. The backlight module includes a light source plate and an optical film sequentially arranged. The backlight module further includes a light-transmitting magnetic structure provided between the light source plate and the optical film. A magnetic support force from the light source plate towards the optical film is formed in the light-transmitting magnetic structure, the light-transmitting magnetic structure is partially formed on the optical film, and the magnetic support force is configured to support the optical film.Type: GrantFiled: December 9, 2022Date of Patent: November 21, 2023Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Xiaogang Hu, Rongrong Li
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Patent number: 11792934Abstract: This application relates to a printed circuit board, including: a plurality of bonding pad areas configured to be electrically connected to a display; a plurality of dummy pad areas located in the plurality of bonding pad areas and configured to be connected to the ground; and a contact pad area existing between the plurality of dummy pad areas and electrically connected to the bonding pad area. The contact pad area includes a plurality of contact pads configured to be electrically connected to an external input connector. A width of the plurality of contact pads is 0.3 mm, and a distance between the plurality of contact pads is 0.2 mm. A length of the contact pad is the same as a length of a bonding pad in the bonding pad area.Type: GrantFiled: May 24, 2019Date of Patent: October 17, 2023Assignees: CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xiaoyu Huang
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Patent number: 11783794Abstract: A display panel is provided. The display panel includes a display area, a driver transistor array substrate, a plurality of scanning lines and a control electrode driver chip. The driver transistor array substrate and the plurality of scanning lines are located on the display area; each of the scanning lines is connected to at least one driver transistor; the control electrode driver chip is connected to the scanning lines through output ports; the display area is divided into a first display area and a second display area according to one diagonal line of the driver transistor array substrate; the control electrode driver chip includes a plurality of amplifying circuits, each output port of the control electrode driver chip is for controlling at least one scanning line, and each output port with the number of controlled pixel greater than a first preset value is connected to the scanning line through one amplifying circuit.Type: GrantFiled: December 3, 2018Date of Patent: October 10, 2023Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Wenxin Li, Xiaoyu Huang
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Patent number: 11763737Abstract: A Micro-LED display panel and a display device are provided. The display panel has a display region provided with pixel units, and includes a first voltage-main-line, a second voltage-main-line, a first input-unit, and a second input-unit. The first voltage-main-line and the second voltage-main-line each surround the display region. A first voltage-access-end of each pixel unit is electrically coupled with the first voltage-main-line nearby. A second voltage-access-end of each pixel unit is electrically coupled with the second voltage-main-line nearby. The first input-unit and the second input-unit are respectively located on a periphery of opposite sides of the display region in a first direction. The first input-unit and the second input-unit each are electrically coupled with the first voltage-main-line nearby, to supply a first voltage to the first voltage-main-line.Type: GrantFiled: December 15, 2022Date of Patent: September 19, 2023Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITEDInventors: Zeyao Li, Haijiang Yuan
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Publication number: 20230288747Abstract: A pixel structure and a display panel. The pixel structure includes a plurality of first pixel sets arranged in an array along a first direction and a second direction, each first pixel set includes at least three sub-pixels of different colors, and at least three of the sub-pixels are a red sub-pixel, a green sub-pixel and a blue sub-pixel. Between two adjacent first pixel sets, the red sub-pixel in one first pixel set and the blue sub-pixel in another first pixel sets arranged adjacent to this one in the first direction are arranged non-adjacent to each other, and the red sub-pixel and the blue sub-pixel in each first pixel set are arranged adjacent to each other. The display panel includes the above pixel structure.Type: ApplicationFiled: December 8, 2022Publication date: September 14, 2023Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Han MAO, Haoxuan ZHENG