Patents Assigned to HKC CORPORATION LIMITED
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Patent number: 11901420Abstract: The present application discloses a manufacturing method for a gate electrode and a thin film transistor, and a display panel, including: depositing an aluminum film on a substratum by physical vapor deposition; depositing a molybdenum film over the aluminum film by atomic layer deposition; and etching the aluminum film and the molybdenum film to form the gate electrode of a predetermined pattern.Type: GrantFiled: July 22, 2021Date of Patent: February 13, 2024Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: En-Tsung Cho, Yuming Xia, Wei Li
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Publication number: 20240045283Abstract: A pixel structure, a display panel and a display device. The pixel structure includes a pixel electrode and a common electrode. The pixel electrode and the common electrode each is one of a pixel electrode and a common electrode. The common electrode includes a plurality of first branch portions. The pixel electrode includes second branch portions and a plurality of trunk portions. The second branch portions and the first branch portions are alternately arranged at intervals. In the present application, portions of the pixel electrode within an orthographic projection range of an offset of a spacer are extended to form a plane by configuring a height of each first trunk portion to be higher than a height of each second trunk portion along a linear direction in which the second branch portions are located, thereby increasing the pressure-bearing capacity of the pixel electrode.Type: ApplicationFiled: December 22, 2022Publication date: February 8, 2024Applicant: HKC CORPORATION LIMITEDInventors: Min CHEN, Haijiang YUAN
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Patent number: 11892730Abstract: A backlight module, a display device, and a method of assembling a display device are disclosed. The backlight module includes a backplate, a middle frame, and a bonding adhesive. The middle frame is disposed on the backplate. A first adhesive holding slot is disposed between the backplate and the middle frame. At least one adhesive passage hole is defined in the middle frame. One end of the at least one adhesive passage hole is connected to the first adhesive holding slot, and another end of the at least one adhesive passage hole defines an opening at a top of the middle frame.Type: GrantFiled: July 4, 2023Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiaohui Yang, Haijiang Yuan
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Patent number: 11894388Abstract: The application discloses a method adapted to manufacture an array substrate and a display panel. The method includes: forming a photoresist layer, a source and a drain; post-baking the photoresist layer, so that the photoresist layer flows to the position of a channel; etching a semiconductor layer to obtain a preset pattern; and peeling off the photoresist layer.Type: GrantFiled: October 27, 2022Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventor: Bei Zhou Huang
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Patent number: 11895877Abstract: An organic light-emitting display panel, a display device, and a method of packaging a display panel are disclosed. The organic light-emitting display panel includes a cover plate, a substrate arranged opposite to the substrate, a packaging layer disposed between the cover plate and the substrate, a touch control circuit formed on the cover plate, touch bonding pins disposed at an edge of the cover plate and coupled to the touch circuit, and multiple shielding terminals disposed on both sides of the touch bonding pins. The touch bonding pins and the shielding terminals are disposed corresponding to the packaging layer. A length of each shielding terminal is consistent with a length of each touch bonding pin. Along a direction of getting away from the touch bonding pins, widths of the plurality of shielding terminals gradually decrease.Type: GrantFiled: June 26, 2023Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Miao Geng, Haijiang Yuan
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Patent number: 11892736Abstract: An array substrate and a display panel are disclosed. A common electrode layer on the array substrate includes a common electrode trunk and multiple common electrode branches. A pixel electrode layer includes multiple interconnected pixel electrode branches, each of which includes a branch body and a branch end connected therewith. The branch end includes a first side opposite to the common electrode trunk to form a first gap, and a second side and a third side respectively disposed opposite to the corresponding common electrode branches to form a second gap and a third gap. A fourth gap is formed between the branch body and the common electrode branch. Of the first, the second and the third gaps, the width value corresponding to at least one gap is smaller than the width of the fourth gap.Type: GrantFiled: December 5, 2022Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xinglong Zheng, Jiheng Feng
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Patent number: 11892719Abstract: The present disclosure provides a display panel and a display device. The display panel includes a first substrate, and the first substrate includes a glass substrate. A first metal layer, an insulating layer, a second metal layer, and a passivation protective layer are sequentially formed on a surface of the glass substrate.Type: GrantFiled: April 1, 2022Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventor: Huiping Wang
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Patent number: 11887556Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit at least includes a selecting unit and a signal conversion unit. The selecting unit is configured to directly output an image signal received to the signal conversion unit, or invert the image signal and then transmit the image signal inverted to the signal conversion unit. The control signal represents a display mode of a pixel unit that receives the image signal and perform image display according to the image signal. The signal conversion unit is configured to convert the image signal into a grayscale voltage in an analog form. The grayscale voltage is transmitted to the pixel unit to perform image display.Type: GrantFiled: December 16, 2022Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Shuang Wang, Rongrong Li
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Patent number: 11887996Abstract: A pixel driving circuit, a method thereof, and a display panel, related to the field of display technology. The pixel driving circuit includes: a first charging unit, a discharging unit, a second charging unit, an energy storage capacitor and a driving transistor. The first charging unit is configured for pre-charging the energy storage capacitor. The discharge unit is configured for discharging the voltage of the pre-charged energy storage capacitor to a preset voltage. The second charging unit is configured for inputting the data voltage to the storage capacitor. After the second charging unit charges the energy storage capacitor, the voltage of the energy storage capacitor is equal to the sum of the preset voltage and the data voltage. The energy storage capacitor is connected to the gate electrode of the driving transistor.Type: GrantFiled: October 27, 2022Date of Patent: January 30, 2024Assignees: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Renjie Zhou, Haijiang Yuan
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Patent number: 11887990Abstract: Disclosed is a method for manufacturing array substrate, including steps of: providing a substrate, forming a plurality of active switches on the substrate; forming a color filter layer on the substrate; forming a spacer unit layer on the color filter layer; and forming an electrode layer on the color filter layer and the spacer unit layer, including forming a first electrode layer in a display region of the substrate, and forming a second electrode layer in a non-display region of the substrate; where the first electrode layer is a pixel electrode layer, the spacer unit layer includes a spacer unit, and the first electrode layer includes a first electrode region overlying the spacer unit, where a vertical projection of the spacer unit along a thickness direction of the substrate has an overlap portion with a vertical projection of the first electrode layer along the thickness direction of the substrate.Type: GrantFiled: July 7, 2021Date of Patent: January 30, 2024Assignee: HKC Corporation LimitedInventor: Beizhou Huang
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Patent number: 11886059Abstract: A display apparatus, a control circuit, and an anti-peeping display method are provided. The display apparatus includes a display panel and a backlight module. The anti-peeping display method includes: determining an anti-peeping area; controlling the dimming diaphragm to be alternately switched between a transparent mode and a diffusion mode; in response to the dimming diaphragm being switched to the transparent mode, disabling a part of first light-emitting units rotating into the anti-peeping area from emitting light and enabling a part of second light-emitting units rotating into the anti-peeping area to emit light; and in response to the dimming diaphragm being switched to the diffusion mode, disabling the part of the first light-emitting units rotating into the anti-peeping area to emit light and the part of the second light-emitting units rotating into the anti-peeping area from emitting light.Type: GrantFiled: June 13, 2023Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Ye Wan, Baohong Kang
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Patent number: 11887543Abstract: A pixel drive circuit includes: a driving compensation circuitry, a data-writing circuitry, and a flip-elimination circuitry. By configuring the flip-elimination circuitry, the reference voltage can be written to the control end of the drive transistor through the independent circuit line in the compensation phase, thereby it is unnecessary to write the reference voltage through the data-voltage line before each writing of the data voltage. In the writing phase of the data voltage, the entire time of each writing can be used for the writing of data voltage without reserving half of the time for writing the reference voltage, so that the level switch frequency of the data line does not need to reach twice the normal light-emitting frequency, which reduces the burden on the display panel, greatly reduces the power consumption of the screen, and improves product competitiveness.Type: GrantFiled: December 20, 2022Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
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Patent number: 11886082Abstract: The liquid crystal display panel includes a color filter substrate providing with a common electrode layer t; and an array substrate arranged in cell alignment with the color filter substrate and providing with a common electrode line, the array substrate includes a display area and a peripheral area including a plurality of connection areas located on the connection areas and arranged between the color filter substrate and the array substrate; at least one connection area includes a conductive sub-region and a detection sub-region, and the conductive members located on the conductive sub-region are respectively in contact with the common electrode line and the common electrode layer for conducting the common electrode line and the common electrode layer; and the conductive members located on the detection sub-region are respectively in contact with the common electrode layer and a detection pad for conducting the common electrode layer and the detection pad.Type: GrantFiled: September 8, 2022Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiaowu Sun, Wei Li
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Patent number: 11881174Abstract: An OLED drive circuit and an OLED display device. The OLED drive circuit includes a sub-drive circuit, a sub-switch circuit, a sub-detection circuit and a sub-compensation circuit; the sub-drive circuit is configured to output a driving voltage to an OLED; the sub-detection circuit is configured to detect the driving voltage of the sub-drive circuit when a circuit path between the sub-drive circuit and the OLED is disconnected; and the sub-compensation circuit is configured to output a data voltage output by the data line according to the driving voltage detected by the sub-detection circuit. According to the OLED drive circuit, a change of the driving current flowing into the OLED can be reduced, and an image quality of the OLED display device can be improved accordingly.Type: GrantFiled: December 14, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventor: Xueyong Huang
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Patent number: 11880110Abstract: Provided are an array substrate and a display panel. The array substrate includes: a base and first leads and second leads disposed in a non-display area on the base, the first leads are electrically connected to pixel electrodes, the second leads are electrically connected to a common electrode or to a ground electrode, the array substrate further includes an electrically actuated component, a bottom surface of which is conductive. After the electrically actuated component changes from an energized state to a de-energized state, the bottom surface is deformed and contacts at least part of the first leads and at least part of the second leads. The pixel electrodes and the common electrode or the ground electrode are shorted as the bottom surface of the electrically actuated component contacts the first leads and the second leads, to release residual charge on the pixel electrode.Type: GrantFiled: November 25, 2022Date of Patent: January 23, 2024Assignees: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Rong Tang, Baohong Kang
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Patent number: 11881175Abstract: A pixel driving circuit, a display panel, and a display device. The pixel driving circuit includes a driving transistor, a data-writing sub-circuit; and a voltage stabilization sub-circuit. The voltage stabilization sub-circuit is coupled to a first control terminal of the driving transistor and is configured to keep a voltage at the first control terminal of the driving transistor to be stable in a reset stage. The voltage at the first control terminal of the driving transistor is kept stable through the voltage stabilization sub-circuit in the reset stage, so that the voltage at the output of the driving transistor is relatively constant, characteristics of a switching element of the driving transistor is ensured, an effect of homogeneous luminance is realized, and a display effect and a stability of displaying of the display panel are improved.Type: GrantFiled: December 14, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
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Patent number: 11881146Abstract: A backlight module and display device, related to the display field. The backlight module includes a plurality of light-emitting elements and a controller, where the plurality of light-emitting elements serve as light sources for a plurality of sub-pixels respectively; and the controller is configured to control a brightness of each of the plurality of light-emitting elements. When the backlight module is in operation, if an i-th data line does not need to charge one of a plurality of sub-pixels connected to the i-th data line, the controller increases the brightness of the light-emitting element corresponding to a next sub-pixel when the next sub-pixel emits light. In this way, each sub-pixel can have an actual gray scale that reaches a target gray scale thereof, so that the uniformity of brightness of the display panel is improved.Type: GrantFiled: December 8, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Hongyan Chang, Wei Li
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Patent number: 11881183Abstract: Disclosed are an overvoltage protection circuit, a display panel and a display. The overvoltage protection circuit includes an overvoltage detection circuit and an overvoltage count circuit. The overvoltage detection circuit connected to a power supply and the overvoltage count circuit detects a power supply voltage output by the power supply and output an overvoltage signal to the overvoltage count circuit when the power supply voltage is in an overvoltage state. The overvoltage count circuit connected to a switching element outputs a cutoff signal to the switching element when accumulated times for receiving overvoltage signals reach preset times, to control the switching element to disconnect the power supply from the power management integrated circuit.Type: GrantFiled: December 21, 2022Date of Patent: January 23, 2024Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Renjie Zhou, Rongrong Li
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Patent number: 11881154Abstract: The present application provides a drive substrate and a display panel. The drive substrate includes: a substrate; a pixel driving circuit layer, arranged on the substrate; a first pad and a second pad spaced apart from the first pad, arranged on a side of the pixel driving circuit layer away from the substrate, and electrically connected to the pixel driving circuit layer. The drive substrate further includes an electrostatic protection line, the electrostatic protection line is spaced from the first pad, a side of the first pad facing the electrostatic protection line is arranged with a first toothed tip, and a side of the electrostatic protection line facing the first pad is arranged with a second toothed tip.Type: GrantFiled: November 15, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Zhongxie Xu, Haoxuan Zheng
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Patent number: 11880105Abstract: A backlight module and a display apparatus are provided. The backlight module includes a lamp panel, multiple light-emitting elements, an encapsulation layer, and a fill-light structure. The lamp panel has multiple backlight regions and multiple fill-light regions each arranged between two adjacent backlight regions. The lamp panel has an integral structure. The multiple light-emitting elements are arranged in an array on each of the multiple backlight regions. A distance between two adjacent light-emitting elements disposed on both sides of the fill-light region is greater than a distance between two adjacent light-emitting elements disposed on a same side of the fill-light region. The encapsulation layer is disposed on the lamp panel and covers the multiple light-emitting elements. The fill-light structure is configured to adjust a tone parameter of the fill-light region to be within a tone-parameter range of the multiple backlight regions.Type: GrantFiled: December 28, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiaogang Hu, Haijiang Yuan