Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
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Patent number: 12194593Abstract: The present application relates to a method for controlling a repairing apparatus and a repairing apparatus. The method for controlling the repairing apparatus includes: measuring, by a sensor, a height of a target object when a grinding part of the repairing apparatus completes positioning the target object; calculating an idle distance of a grinding belt on the grinding part in a predetermined process according to the height of the target object, in which, the predetermined process is the grinding part descending from the initial position to the highest position of the target object; and driving a motor to rotate back the grinding belt on the grinding part for the idle distance, and repairing the target object through the grinding belt on the grinding part.Type: GrantFiled: August 28, 2020Date of Patent: January 14, 2025Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xiang Chen
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Publication number: 20240331633Abstract: Disclosed are a display drive circuit, a display drive method and a display panel. This solution adjusts enabling time of a first drive unit and a second drive unit based on light-emitting brightness of a first display unit and light-emitting brightness of a second display unit which are detected by a display detection unit, and the service lives of the first display unit and the second display unit are effectively prolonged.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Bin QIU, Baohong KANG
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Patent number: 12094411Abstract: Disclosed is a driving method for display unit, a display panel and a display device, a reset circuit is formed by a reset signal, a charging circuit is formed by a charging signal, and a light emitting circuit is formed by a light emitting signal, that is, the circuit in the display device is multiplexed by each control signal, so that it does not need to design a circuit for each function to realize the driving of the display unit, solving the complex problem of driving the display unit in the relevant technology.Type: GrantFiled: December 30, 2022Date of Patent: September 17, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Rongrong Li
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Publication number: 20240297188Abstract: A method for preparing an array substrate and an array substrate. The method for preparing an array substrate includes: depositing a first metal layer, an insulating layer, an active layer and a doping layer on the substrate; forming a photoresist on doping layer by using a first photomask process, and etching the photoresist to form a gate and a channel; depositing a second metal layer on the substrate; using the second photomask process to form the source-drain metal layer; depositing a passivation layer on the substrate; using the third photomask process to form a pixel electrode layer.Type: ApplicationFiled: December 29, 2021Publication date: September 5, 2024Applicants: CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Hejing ZHANG, Zhen LIU
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Patent number: 12074176Abstract: A substrate processing method includes loading an operation list of a substrate, the operation list including an operation site bar, an inspection site bar, and an operation flag record enabling bar, the operation site bar including a plurality of operation site flags, and the inspection site bar including an inspection site flag; loading a substrate onto a production line; inquiring an operation site flag corresponding to the operation site at the operation site bar of the operation list, and judging whether the operation site flag is provided with an inspection site flag at the inspection site bar; if the operation site flag is provided with the inspection site flag at the inspection site bar, verifying whether a current operation flag of the substrate matches the inspection site flag; if the current operation flag of the substrate matches the inspection site flag, processing the substrate at the operation site.Type: GrantFiled: September 29, 2020Date of Patent: August 27, 2024Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Posung Pan
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Patent number: 12062323Abstract: Disclosed is a driving method of a drive device, applied on a drive device. The method includes: receiving, by the first control chip, target display data, and processing, by the first control chip, the target display data to obtain a conversion clock signal, a frame synchronization signal and a pre-processed display signal; obtaining, by the second control chip, a result clock signal based on the conversion clock signal and the frame synchronization signal, a period of the result clock signal and a period of the frame synchronization signal meet a preset condition; obtaining, by the second control chip, a result display signal based on the pre-processed display signal; and lighting, by the third control chip, the light emitting component based on the result clock signal and the result display signal. The present application also discloses a display device and a computer readable storage medium.Type: GrantFiled: September 2, 2022Date of Patent: August 13, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Zhi Xiong, Haoxuan Zheng
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Patent number: 12039714Abstract: This application discloses an inspection method and an inspection machine for a display panel. The inspection method includes the steps of: taking a picture of a to-be-inspected display panel to obtain a to-be-inspected image of the to-be-inspected display panel; removing high-frequency information in the to-be-inspected image to obtain a high-frequency-removed image; calculating a difference between the to-be-inspected image and the high-frequency-removed image to obtain a difference image; making a determination regarding the difference image by comparing the difference image with a preset threshold, determining that the display panel fails the inspection if the difference image exceeds the preset threshold, and determining that the display panel passes the inspection if the difference image does not exceed the preset threshold.Type: GrantFiled: March 17, 2020Date of Patent: July 16, 2024Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Wenqin Zhao
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Patent number: 12009368Abstract: This application discloses an array substrate and a display panel. The array substrate includes a substrate, a plurality of active switches, and a transparent conductive layer. The active switches are formed above the substrate. The transparent conductive layer is formed above the active switches, and is connected to each of the active switches. Each of the active switches includes a metal layer. A hollow structure is mounted on the transparent conductive layer. The hollow structure is located in an overlapping region between the transparent conductive layer and the metal layer.Type: GrantFiled: December 4, 2018Date of Patent: June 11, 2024Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chuan Wu
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Patent number: 11996507Abstract: A method of manufacturing a display panel includes following operations. A display substrate is provided. The display substrate includes a first surface, a second surface opposite to the first surface, and a side surface connected to the first surface and the second surface. An array circuit layer is arranged on the first surface of the display substrate. A connecting substrate is provided. A binding circuit layer and a connecting circuit layer connected to the binding circuit layer are formed on a surface of the connecting substrate. The connecting substrate having the binding circuit layer and the connecting circuit layer is fixed to a side of the display substrate. The connecting circuit layer may be electrically connected to the array circuit layer, and the array circuit layer is electrically connected to the binding circuit layer through the connecting circuit layer. A control unit is bound on the binding circuit layer.Type: GrantFiled: December 7, 2022Date of Patent: May 28, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Zeyao Li, Haijiang Yuan
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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: 11970351Abstract: Disclosed are a buffer material conveying and winding device, a buffer material conveying method and an assembly binding system, belonging to the technical field of a chip on glass. The buffer material conveying and winding device comprises a rack, a feed roller, a feed servo motor, a recycling roller, a recycling torque motor, a measuring device, a controller and an alarm. The controller may monitor whether the recycling length meets the requirement through the measuring device. The buffer material conveying method is based on the buffer material conveying and winding device. The assembly binding system comprises a buffer material conveying and winding device, a buffer material and a pressing head device.Type: GrantFiled: July 2, 2020Date of Patent: April 30, 2024Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yang Zhang
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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: 11940699Abstract: Disclosed is an array substrate and a liquid crystal display panel including a display area and a non-display area at the periphery of the display area. The array substrate is provided with a plurality of conductive bonding pads distributed at intervals in the non-display area, in which the conductive bonding pad includes a first metal layer, an insulating layer and a conductive layer sequentially formed on a base substrate, in which the insulating layer is provided with a plurality of vias to electrically connect the conductive layer to the first common electrode, in which the via is provided in a slit shape and is disposed at a predetermined angle from a first direction in which the non-display area surrounds the display area.Type: GrantFiled: December 29, 2022Date of Patent: March 26, 2024Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanna Yang, Haijiang Yuan
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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: 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