Patents by Inventor Rongrong Li
Rongrong Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12062346Abstract: Disclosed are a driving substrate, a display panel, and a display device. The driving substrate is applied to a display panel and includes a base; data lines and row scanning lines, arranged on a side of the base; and a scanning driving circuit, arranged on the side of the base and including a plurality of scanning driving units that are cascaded. Each row scanning line includes at least two sub-scanning lines, and the scanning driving circuit is configured to output a gate scanning signal to each sub-scanning line. The present disclosure may save power by dividing each row scanning line into multiple sub-scanning lines and separately outputting the gate scanning signal for each sub-scanning line, making it possible to drive only part of the thin-film transistor in each row when only part of the display region of the display panel is used for displaying images.Type: GrantFiled: December 8, 2022Date of Patent: August 13, 2024Assignee: HKC CORPORATION LIMITEDInventors: Zeyao Li, Rongrong Li
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Patent number: 12056324Abstract: This application provides a touch electrode, a touch module, and a touch display panel. The touch electrode at least includes a first touch subunit, a second touch subunit, and a third touch subunit. The first touch subunit surrounds the second touch subunit and defines a first gap and a second gap, to divide the first touch subunit into a first extension part and a second extension part. The second touch subunit surrounds the third touch subunit and has a third gap and a fourth gap, to divide the second touch subunit into a third extension part and a fourth extension part. A first connecting part passes through the third gap and connects the first extension part and the third touch subunit, and a second connecting part passes through the fourth gap and connects the second extension part and the third touch subunit.Type: GrantFiled: June 21, 2023Date of Patent: August 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Wang Li, Rongrong Li
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Publication number: 20240260303Abstract: A light emitting device includes: a first light emitting unit and a second light emitting unit arranged beneath the first light emitting unit. The first light emitting unit and the second light emitting unit are alternately conducted. The first light emitting unit includes: a first cathode, a first electron transport layer, a first luminescent layer, a first hole transport layer, and a first anode arranged sequentially from bottom to top. The second light emitting unit includes: a second anode, a second hole transport layer, a second luminescent layer, a second electron transport layer, and a second cathode arranged sequentially from bottom to top. The first cathode, the first anode, the second cathode, and the second anode are all connected to AC power supplies, respectively.Type: ApplicationFiled: July 6, 2023Publication date: August 1, 2024Applicant: HKC CORPORATION LIMITEDInventors: Zhaoyang LU, Rongrong LI
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Patent number: 12044387Abstract: Disclosed are a backlight module, an assembly method of a backlight module and a display. The backlight module includes a backplane, a lamp plate and an optical diaphragm, the backplane includes a bottom cover and an upper frame, the lamp plate is mounted on the bottom cover, the upper frame is detachably connected above the bottom cover, the optical diaphragm is mounted on the upper frame and provided opposite to the lamp plate.Type: GrantFiled: June 28, 2023Date of Patent: July 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Qinglin Chen, Rongrong Li
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Publication number: 20240234436Abstract: An array substrate and a method for manufacturing the same, and a display panel are provided. The array substrate includes a base substrate, gate lines, data lines, and multiple pixel units. The pixel unit includes a pixel electrode, a drive circuit, and a sharing electrode. The pixel electrode is electrically connected to the drive circuit. The drive circuit includes a first thin-film transistor, a second thin-film transistor, and a third thin-film transistor. A source of the third thin-film transistor is connected to a drain of the second thin-film transistor. A drain of the third thin-film transistor is connected to the sharing electrode. The sharing electrode includes a first sharing electrode and a second sharing electrode electrically connected to the first sharing electrode. The projection of the first sharing electrode on the base substrate at least partially overlaps the projection of the pixel electrode on the base substrate.Type: ApplicationFiled: June 28, 2023Publication date: July 11, 2024Inventors: Shasha LI, Rongrong LI
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Publication number: 20240210776Abstract: The present application relates to a display panel and a display device. The display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein the first substrate comprises a wiring area and a border glue in a border area, the wiring area comprises a common electrode wire, a gate driving circuit and a clock signal line which are sequentially arranged, conductive particles are arranged in the border glue, the second substrate comprises a common electrode layer, the border glue at least partially overlaps the wiring area, and the common electrode layer is at least partially hollowed out in the border area corresponding to the clock signal line.Type: ApplicationFiled: July 6, 2023Publication date: June 27, 2024Applicant: HKC CORPORATION LIMITEDInventors: Yuanjie YANG, Rongrong LI
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Publication number: 20240213257Abstract: The present application relates to an array substrate and a preparation method thereof, and a display device; wherein the array substrate comprises a substrate and a plurality of sub-pixels distributed in an array on the substrate, the sub-pixels comprising M oxide thin film transistors, each oxide thin film transistor comprising a modulation electrode, a gate electrode, a source electrode and a drain electrode arranged in a stack, wherein the modulation electrodes of the M oxide thin film transistors are electrically connected to each other as a modulation layer, and the modulation layer is electrically connected to the gate electrode through N first vias, wherein M and N are both integers, and N<M.Type: ApplicationFiled: October 31, 2023Publication date: June 27, 2024Applicant: HKC CORPORATION LIMITEDInventors: Xin YUAN, Xiufeng ZHOU, Rongrong LI
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Publication number: 20240192798Abstract: Disclosed are a touch array substrate, a touch positioning method and a display panel. The touch array substrate includes: a plurality of receiving lines, a plurality of transmitting lines and a transmitting driven unit. Each receiving line is connected to the reception and detection terminal of the timing controller, each transmitting line can be with the plurality of receiving lines to form a plurality of corresponding touch capacitors; a plurality of clock input terminals of the transmitting driven unit are connected to the plurality of clock output terminals of the timing controller one-by-one; a plurality of output terminals of the transmitting driven unit are connected to input terminals of the plurality of the transmitting lines one-by-one, and the transmitting driven unit can sequentially output transmitting driven signals to the plurality of transmitting lines according to a plurality of received clock signals, to drive the transmitting lines to work sequentially.Type: ApplicationFiled: June 14, 2023Publication date: June 13, 2024Applicant: HKC CORPORATION LIMITEDInventors: Tianyu XIA, Rongrong LI
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Patent number: 11990097Abstract: A display driving structure includes a drive component and at least a switching component. The drive component is connected to data lines in pixel groups to provide a one-to-one corresponding data signal to each of the sub-pixels through the data lines. A first input terminal of the switching component is configured to receive a p-th row of scanning signals, a second input terminal is configured to receive a (p+1)-th row of scanning signals, a first output terminal is connected to a p-th row of the scan lines in the pixel group, a second output terminal is connected to a (p+1)-th row of the scan lines in the pixel group, and a control terminal is configured to control the conduction sequence of signals in the switching component according to the polarities of the data signals received by adjacent two sub-pixels connected to each column of the data lines.Type: GrantFiled: July 12, 2023Date of Patent: May 21, 2024Assignee: HKC CORPORATION LIMITEDInventors: Jianlei Li, Rongrong Li
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Patent number: 11978399Abstract: A pixel drive circuit, a display panel and a display device. In the pixel drive circuit, a voltage-stabilization transistor is arranged, and the voltage-stabilization transistor is provided with two control ends, each of the two control ends forms a voltage-stabilization capacitor with the active layer, thereby a new capacitor is added on the basis of the original parasitic capacitor. The new capacitor has a relatively large capacitance value. The potential variation at the control end of the drive transistor depends on the parasitic capacitor of the drive transistor, the storage capacitor at the control end of the drive transistor, and the capacitance value of the new capacitor, when the capacitive coupling effect occurs, the voltage at the control end of the drive transistor can be jointly maintained by the above three capacitors, thereby improving the effect of voltage stabilization.Type: GrantFiled: December 21, 2022Date of Patent: May 7, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
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Publication number: 20240145486Abstract: The present disclosures provide a driving substrate and a display device. The driving substrate includes a base, a first metal layer and a second metal layer, and a connection layer. The first metal layer includes a first wiring and the second metal layer includes a second wiring. A part of the connection layer extends to the first through hole to form a first conductive hole and another part extends to second through hole to from a second conductive hole. A first conductive hole and a second conductive hole form a group of conductive connection holes. The current path formed by the first conductive hole passing through the connection layer to the corresponding second conductive hole is the intra-group current path, while the current path formed by the first conductive hole passing through the connection layer to the second conductive hole in any other group is the extra-group path.Type: ApplicationFiled: June 13, 2023Publication date: May 2, 2024Inventors: Zeyao LI, Rongrong LI
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Publication number: 20240136364Abstract: An array substrate and a method for manufacturing the same, and a display panel are provided. The array substrate includes a base substrate, gate lines, data lines, and multiple pixel units. The pixel unit includes a pixel electrode, a drive circuit, and a sharing electrode. The pixel electrode is electrically connected to the drive circuit. The drive circuit includes a first thin-film transistor, a second thin-film transistor, and a third thin-film transistor. A source of the third thin-film transistor is connected to a drain of the second thin-film transistor. A drain of the third thin-film transistor is connected to the sharing electrode. The sharing electrode includes a first sharing electrode and a second sharing electrode electrically connected to the first sharing electrode. The projection of the first sharing electrode on the base substrate at least partially overlaps the projection of the pixel electrode on the base substrate.Type: ApplicationFiled: June 27, 2023Publication date: April 25, 2024Inventors: Shasha LI, Rongrong LI
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Patent number: 11967646Abstract: Disclosed are a thin film transistor structure, a display panel and a display device. The thin film transistor structure includes a base, a source electrode, a drain electrode configured to connect to a pixel electrode and a grid electrode. The source electrode, the drain electrode and the grid electrode are provided on the base. and a channel is formed between the source electrode and the drain electrode. The thin film transistor structure further includes an insulating layer and a slow-release electrode. The insulating layer is provided on a side of the source electrode and the drain electrode, and filled in the channel. The slow-release electrode is provided in the insulating layer. At least a part of the slow-release electrode is provided inside the channel.Type: GrantFiled: June 1, 2023Date of Patent: April 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Keming Yang, Yizhen Xu, Chunhui Ren, Feng Jiang, Liu He, Qiang Leng, Rongrong Li
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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: 11967273Abstract: A control circuit, a drive device, and a display. The control circuit includes: a control unit and a detection unit. The detection unit is connected with a plurality of output voltage feedback terminals of a drive chip, and the detection unit is connected with the control unit. The detection unit is configured for providing a first voltage to the control unit when a voltage of at least one output voltage feedback terminal in the plurality of output voltage feedback terminals is detected, the first voltage being greater than a second voltage received by the control unit. The control unit is configured for controlling the drive chip to restart when the first voltage is greater than the second voltage.Type: GrantFiled: December 23, 2022Date of Patent: April 23, 2024Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Peiyang Lin, Honghai Liu, Xiaowei Han, Rongrong Li
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Patent number: 11955590Abstract: The present disclosure provides a display panel and a method for making the display panel. The method for making the display panel includes: providing a substrate; preparing a driving circuit layer on one side of the substrate; the driving circuit layer includes a binding layer, a display base and an array circuit layer which are stacked, and the binding layer is located between the display base and the substrate. Removing the substrate and the binding layer is exposed; binding the external control unit on the binding layer.Type: GrantFiled: December 28, 2022Date of Patent: April 9, 2024Assignee: HKC CORPORATION LIMITEDInventors: Zeyao Li, Rongrong Li
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Patent number: 11942020Abstract: Disclosed is a driving circuit including an input circuit, a first output circuit, a second output circuit and a pull-down circuit. Control terminals of the first output circuit and the second output circuit are connected with an output terminal of the input circuit and receive a control signal from the input circuit, and output terminals of the first output circuit and the second output circuit are connected with the pull-down circuit and receive a pull-down signal. Thus, two stages of driving signals output by one stage driving circuit is realized. As compared with the existing architecture under which the two stage driving circuit is needed to output two stages of driving signals, one input circuit and one pull-down circuit are removed. This application also discloses a four-stage driving circuit and a display panel. The number of used components is reduced, and the frame of the display product is narrowed.Type: GrantFiled: July 29, 2022Date of Patent: March 26, 2024Assignee: HKC CORPORATION LIMITEDInventors: Byung Hoon Kim, Zhaoyang Lu, Sahng Ik Jun, Rongrong Li
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Publication number: 20240085748Abstract: The present disclosure provides a display device and a manufacturing method thereof. The display device includes a display module and a function module. The display module includes a first substrate and a plurality of light emitting units. The plurality of light emitting units are located on a side of the first substrate. A light emitting direction of the light emitting units are oriented towards the first substrate. The function module is located on a surface of the first substrate away from the light emitting units. The function module and the light emitting units share the first substrate. A surface of the function module close to the first substrate is in direct contact with the surface of the first substrate away from the light emitting units.Type: ApplicationFiled: June 16, 2023Publication date: March 14, 2024Inventors: Hao HUANG, Rongrong LI
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Publication number: 20240088298Abstract: Disclosed are a thin film transistor structure, a display panel and a display device. The thin film transistor structure includes a base, a source electrode, a drain electrode configured to connect to a pixel electrode and a grid electrode. The source electrode, the drain electrode and the grid electrode are provided on the base. and a channel is formed between the source electrode and the drain electrode. The thin film transistor structure further includes an insulating layer and a slow-release electrode. The insulating layer is provided on a side of the source electrode and the drain electrode, and filled in the channel. The slow-release electrode is provided in the insulating layer. At least a part of the slow-release electrode is provided inside the channel.Type: ApplicationFiled: June 1, 2023Publication date: March 14, 2024Applicant: HKC CORPORATION LIMITEDInventors: Keming YANG, Yizhen XU, Chunhui REN, Feng JIANG, Liu HE, Qiang LENG, Rongrong LI
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Patent number: 11929044Abstract: The disclosure provides a backlight module. The backlight module has a first light-emitting region and a second light-emitting region encircling the first light-emitting region. The backlight module further includes at least one first light-emitting module and at least one second light-emitting module, the at least one second light-emitting module is arranged on a peripheral side of the first light-emitting module, the at least one first light-emitting module is located in the first light-emitting region, and the at least one second light-emitting module is located in the second light-emitting region. The first light-emitting module includes multiple first light strings, the second light-emitting module includes multiple second light strings, and the multiple first light strings has a layout density greater than the multiple second light strings.Type: GrantFiled: June 28, 2023Date of Patent: March 12, 2024Assignee: HKC CORPORATION LIMITEDInventors: Bin Qiu, Rongrong Li