Patents by Inventor Minggang Liu
Minggang Liu 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: 11975980Abstract: A molecular sieve of MFI structure has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. It has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve and a content of the supported metal in the molecular sieve 1-10 wt % based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal is one or two selected from lanthanum and cerium. The volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume, measured by a nitrogen adsorption BET specific surface area method, and the volume of mesopores means the pore volume of the pores having a diameter of more than 2 nm and less than 100 nm.Type: GrantFiled: October 17, 2019Date of Patent: May 7, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Yibin Luo, Ying Ouyang, Li Zhuang, Jianqiang Liu, Minggang Li, Xingtian Shu
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Patent number: 11964262Abstract: A rare earth- and phosphorus-containing molecular sieve of MFI structure rich in mesopores has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. The molecular sieve has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve. The content of the supported metal in the molecular sieve is 1-10 wt % supported metal M1 and 0.1-5 wt % supported metal M2 based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal M1 is one or two selected from lanthanum and cerium, and the supported metal M2 is one selected from iron, cobalt, nickel, copper, manganese, zinc, tin, bismuth and gallium; the volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume.Type: GrantFiled: October 17, 2019Date of Patent: April 23, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Ying Ouyang, Yibin Luo, Jianqiang Liu, Li Zhuang, Minggang Li, Xingtian Shu
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Patent number: 11923397Abstract: The present invention discloses a micro light emitting diode display substrate and a manufacturing method thereof. The substrate includes an underlay substrate, a thin film transistor and a micro light emitting diode disposed on a top surface of the underlay substrate and connected to each other, a first metal film layer disposed on a bottom surface of the underlay substrate and at least formed with fanout circuit pattern and a side printed bonding pad. The fanout circuit pattern is connected to the side printed bonding pad, the side printed bonding pad is connected to the thin film transistor through a side wire such that after the display substrate is assembled with a bezel, a top surface display pixel region can maximally approach the bezel, to achieve bezel-less effect.Type: GrantFiled: October 20, 2020Date of Patent: March 5, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Macai Lu, Yong Fan, Minggang Liu, Nian Liu, Jiangbo Yao
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Publication number: 20240047537Abstract: A thin-film transistor (TFT), a display panel, and a manufacturing method of the display panel are provided. The TFT includes: a gate, a gate insulating layer, an active layer, a first electrode, an interlayer insulating layer, and a second electrode. The interlayer insulating layer is disposed between the first electrode and the active layer. A first via is defined on the interlayer insulating layer. The active layer is connected to the first electrode by the first via. A thickness of the interlayer insulating layer is greater than a thickness of the gate insulating layer. The second electrode is connected to the active layer.Type: ApplicationFiled: September 29, 2021Publication date: February 8, 2024Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Macai Lu, Minggang Liu, Nian Liu
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Publication number: 20240014362Abstract: The present disclosure provides a display panel and an electronic device, the display panel comprises a substrate and a plurality of light-emitting units, a plurality of power wires, and an auxiliary electrode disposed on the substrate; the power wires extend in a first direction, and are disposed between adjacent light-emitting units, and the power wires are connected to the light-emitting units; and the auxiliary electrode disposed on a surface of the power wires close to or away from the substrate; the power wires comprise a plurality of wire segments, each of the wire segments corresponds to one of the light-emitting units, and each of the wire segments is connected to the auxiliary electrode.Type: ApplicationFiled: October 12, 2021Publication date: January 11, 2024Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhuhui Li, Minggang Liu
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Patent number: 11646390Abstract: A device for transferring micro light-emitting diodes includes a collection tube and an elastic port. The collection tube has a first end and a second end arranged oppositely, and a caliber of the collection tube is greater than a diameter of the micro light-emitting diodes. The elastic port is disposed at the first end, and a caliber of the elastic port is less than the diameter of the micro light-emitting diodes. The micro light-emitting diodes are pressed into the collection tube from the elastic port. The collection tube can store the micro light-emitting diodes. The device can effectively improve transfer speed.Type: GrantFiled: April 22, 2020Date of Patent: May 9, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Zhang, Yang Sun, Minggang Liu, Shujhih Chen
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Patent number: 11621183Abstract: A transfer device for a micro light-emitting diode (micro LED) of the present application includes a collecting tube and a driving device. The collecting tube has a first end and a second end disposed oppositely, and the collecting tube includes a collecting opening and a storage tube, and the collecting opening is connected to the storage tube, and the collecting opening is disposed at the first end. The driving device is disposed at the second end, and the driving device is configured to provide a driving force, wherein the driving device is configured to provide the driving force to pick up the micro LED from the collecting opening into the storage tube so that the storage tube is able to store and stack at least two micro LEDs.Type: GrantFiled: April 22, 2020Date of Patent: April 4, 2023Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Wei Zhang, Yang Sun, Minggang Liu, Shujhih Chen
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Patent number: 11520194Abstract: The present disclosure provides a liquid crystal display panel and a display device. The liquid crystal display panel includes an upper substrate and a lower substrate disposed opposite to the upper substrate. The lower substrate includes a non-display area having a connection terminal disposed therein. The connection terminal has an elongated stripe shape. By replacing the connection terminal having a square shape or a square-like shape with a connection terminal having an elongated stripe shape, light-reflection problems caused by metal having a large area in a local region are mitigated. Therefore, the technical problem that user experiences of using display devices are unsatisfactory because of light-reflection issues caused by conventional connection terminal is solved.Type: GrantFiled: March 11, 2019Date of Patent: December 6, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Minggang Liu
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Publication number: 20220310693Abstract: The present invention discloses a micro light emitting diode display substrate and a manufacturing method thereof. The substrate includes an underlay substrate, a thin film transistor and a micro light emitting diode disposed on a top surface of the underlay substrate and connected to each other, a first metal film layer disposed on a bottom surface of the underlay substrate and at least formed with fanout circuit pattern and a side printed bonding pad. The fanout circuit pattern is connected to the side printed bonding pad, the side printed bonding pad is connected to the thin film transistor through a side wire such that after the display substrate is assembled with a bezel, a top surface display pixel region can maximally approach the bezel, to achieve bezel-less effect.Type: ApplicationFiled: October 20, 2020Publication date: September 29, 2022Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Macai Lu, Yong Fan, Minggang Liu, Nian Liu, Jiangbo Yao
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Patent number: 11424227Abstract: The present invention provides a display panel, a display module, and a display device. The display panel includes a substrate and micro-LEDs. The display module achieves an extremely-narrow-bezel design by attaching a support plate to one side of a flexible drive circuit board of the display panel, bending a bending region, and attaching a bonding region to another side of the support plate. Multiple display modules are arranged in a accommodating chamber defined by a back plate of the display device and are fixed and joined to each other. Accordingly, a narrow-gap joining technology for micro-LED is realized, thus solving a problem that the micro-LED is too small in size, and realizing large-sized micro-LED displays.Type: GrantFiled: October 30, 2019Date of Patent: August 23, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Minggang Liu, Yong Fan
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Patent number: 11355478Abstract: The present disclosure provides a micro light emitting diode display panel, a method for fabricating the same, and a display device comprising the same. The micro light emitting diode display panel includes an active layer, a gate insulating layer, a gate electrode, a source electrode, a drain electrode, a pixel electrode, a micro light emitting diode, and a gate insulating layer covering the active layer, the gate insulating layer, the gate electrode, the source electrode, and the drain electrode. The light shielding layer blocks light emitted by the micro light emitting diode from being incident on the thin film transistor, thereby reducing influence of the light emitted by the micro light emitting diode light on the thin film transistor.Type: GrantFiled: July 18, 2019Date of Patent: June 7, 2022Inventors: Wei Zhang, Macai Lu, Minggang Liu, Chunche Hsu, Chiayu Lee
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Publication number: 20220122863Abstract: A transfer device for a micro light-emitting diode (micro LED) of the present application includes a collecting tube and a driving device. The collecting tube has a first end and a second end disposed oppositely, and the collecting tube includes a collecting opening and a storage tube, and the collecting opening is connected to the storage tube, and the collecting opening is disposed at the first end. The driving device is disposed at the second end, and the driving device is configured to provide a driving force, wherein the driving device is configured to provide the driving force to pick up the micro LED from the collecting opening into the storage tube so that the storage tube is able to store and stack at least two micro LEDs.Type: ApplicationFiled: April 22, 2020Publication date: April 21, 2022Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Wei ZHANG, Yang SUN, Minggang LIU, Shujhih CHEN
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Publication number: 20220115251Abstract: The application provides a repair device for a display panel, including: a defect sensor configured to obtain defect information; a chip pick-and-place part configured to pick up, store, and release light-emitting chips, wherein the chip pick-and-place part includes a chip storage cavity and a controller, the chip storage cavity is used to store the light-emitting chips, and the controller is configured to pick up and release a chip; a chip moving part connected to the chip pick-and-place part for moving the chip pick-and-place part to positions where defects are located according to the defect information; and a chip bonding part.Type: ApplicationFiled: April 22, 2020Publication date: April 14, 2022Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei ZHANG, Minggang LIU, Yang SUN, Shujhih CHEN
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Publication number: 20220115556Abstract: A device for transferring micro light-emitting diodes includes a collection tube and an elastic port. The collection tube has a first end and a second end arranged oppositely, and a caliber of the collection tube is greater than a diameter of the micro light-emitting diodes. The elastic port is disposed at the first end, and a caliber of the elastic port is less than the diameter of the micro light-emitting diodes. The micro light-emitting diodes are pressed into the collection tube from the elastic port. The collection tube can store the micro light-emitting diodes. The device can effectively improve transfer speed.Type: ApplicationFiled: April 22, 2020Publication date: April 14, 2022Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei ZHANG, Yang SUN, Minggang LIU, Shujhih CHEN
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Patent number: 11302681Abstract: A display device and a method of manufacturing thereof are provided. A display device includes an array substrate and a pixel electrode disposed on the array substrate. The pixel electrode includes a soldering region, a non-soldering region, a transparent conductive oxide layer formed on the array substrate, a first metal electrode layer disposed on the transparent conductive oxide layer of the soldering region and the non-soldering region, a second metal protective layer disposed on the first metal electrode layer of the non-soldering region, and a micro LED chip including a pin correspondingly soldered on the first metal electrode layer of the soldering region. The metal electrode layer easily reacted with the organic solvent or the organic film to cause residue or defects can be improved, and the first metal electrode layer is merely retained to provide a solder joint for soldering the micro LED chip without affecting subsequent processes.Type: GrantFiled: September 20, 2019Date of Patent: April 12, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPALY TECHNOLOGY CO., LTD.Inventors: Macai Lu, Minggang Liu
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Publication number: 20220037297Abstract: A display device and a method of manufacturing thereof are provided. A display device includes an array substrate and a pixel electrode disposed on the array substrate. The pixel electrode includes a soldering region, a non-soldering region, a transparent conductive oxide layer formed on the array substrate, a first metal electrode layer disposed on the transparent conductive oxide layer of the soldering region and the non-soldering region, a second metal protective layer disposed on the first metal electrode layer of the non-soldering region, and a micro LED chip including a pin correspondingly soldered on the first metal electrode layer of the soldering region. The metal electrode layer easily reacted with the organic solvent or the organic film to cause residue or defects can be improved, and the first metal electrode layer is merely retained to provide a solder joint for soldering the micro LED chip without affecting subsequent processes.Type: ApplicationFiled: September 20, 2019Publication date: February 3, 2022Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Macai Lu, Minggang Liu
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Publication number: 20220037298Abstract: The present disclosure provides a display module, a preparation method thereof, and an electronic device of the present disclosure. The display module includes a bending flexible driving substrate and display unit. The bending flexible driving substrate includes a display area, a bending area, and a binding area, wherein the bending flexible driving substrate has a cavity, the display unit is bound to the display area, wherein the display unit includes a plurality of miniature light-emitting diodes, the support body is provided in the cavity, and a shape of a longitudinal section of the support body is a rounded rectangle.Type: ApplicationFiled: January 8, 2020Publication date: February 3, 2022Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Pei JIANG, Yong FAN, Minggang LIU
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Publication number: 20210398952Abstract: The present disclosure provides a micro light emitting diode display panel, a method for fabricating the same, and a display device comprising the same. The micro light emitting diode display panel includes an active layer, a gate insulating layer, a gate electrode, a source electrode, a drain electrode, a pixel electrode, a micro light emitting diode, and a gate insulating layer covering the active layer, the gate insulating layer, the gate electrode, the source electrode, and the drain electrode. The light shielding layer blocks light emitted by the micro light emitting diode from being incident on the thin film transistor, thereby reducing influence of the light emitted by the micro light emitting diode light on the thin film transistor.Type: ApplicationFiled: July 18, 2019Publication date: December 23, 2021Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei ZHANG, Macai LU, Minggang LIU, Chunche HSU, Chiayu Lee
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Publication number: 20210336107Abstract: A display panel and a method of fabricating the same, and a display device are provided. The display panel has: a first substrate having a first lead at a first edge of the first substrate and a second lead at a second edge of the first substrate; a second substrate having a third lead at a third edge of the second substrate and a fourth lead at a fourth edge of the second substrate; and connection lines connected the first lead to the fourth lead and connected the second lead to the third lead.Type: ApplicationFiled: November 26, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Bei JIANG, Yong FAN, Minggang LIU
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Publication number: 20210335762Abstract: The present invention provides a display panel, a display module, and a display device. The display panel includes a substrate and micro-LEDs. The display module achieves an extremely-narrow-bezel design by attaching a support plate to one side of a flexible drive circuit board of the display panel, bending a bending region, and attaching a bonding region to another side of the support plate. Multiple display modules are arranged in a accommodating chamber defined by a back plate of the display device and are fixed and joined to each other. Accordingly, a narrow-gap joining technology for micro-LED is realized, thus solving a problem that the micro-LED is too small in size, and realizing large-sized micro-LED displays.Type: ApplicationFiled: October 30, 2019Publication date: October 28, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Minggang LIU, Yong FAN