Patents by Inventor Bo Mao
Bo Mao 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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Publication number: 20260158541Abstract: Disclosed is a high-efficiency short-process superplastic forming method for a TC4 titanium alloy fan blisk forging, including: performing vacuum consumable melting to obtain a TC4 titanium alloy ingot having a diameter of ?820-1020 mm; subjecting the TC4 titanium alloy ingot to forging through at least 3 heating-upsetting-drawing cycles, and water-cooling; subjecting a resulting forged blank to at least 3 heating-upsetting-drawing cycles, and air-cooling; subjecting a resulting forged blank to 3-5 heating-upsetting-drawing cycles, and air-cooling to room temperature; spray-coating a glass lubricant onto a resulting TC4 titanium alloy rod and onto a forming die, and heating to T??(20-60)° C.; and loading the TC4 titanium alloy rod into the forming die; performing one-heating forming with an ultra-large deformation of 95% or more, and water-cooling to room temperature; and 6) subjecting a resulting TC4 titanium alloy fan blisk forging to an annealing treatment at 650-750° C.Type: ApplicationFiled: September 8, 2025Publication date: June 11, 2026Inventors: Shuangjie CHU, Weiwei HUANG, Qingtong MENG, Xiangyu ZHOU, Gaofei LIANG, Feng ZHU, Yanying LI, Bo MAO
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Publication number: 20250308717Abstract: Disclosed is an apparatus for testing the thermal-state conduction performance of an electrical penetration piece of a high-temperature gas-cooled reactor. The apparatus includes a testing mechanism. The testing mechanism includes a base, a test portion arranged on the base. According to the apparatus for testing the thermal-state conduction performance of the electrical penetration piece of the high-temperature gas-cooled reactor, a threaded rod is rotated to drive a winding column to rotate to tension an insulating rope, and the insulating rope is tensioned to drive a copper pipe to be contracted to be in close contact with pins, so that the connection of the pins of the electrical penetration piece is completed. Through the testing portion, the conduction performance of the electrical penetration piece of a primary circuit of an absorption ball system can be tested in the helium atmosphere at 160° C.Type: ApplicationFiled: September 13, 2024Publication date: October 2, 2025Inventors: Miaomiao WANG, Duo YANG, Minghui MA, Hai LONG, Haosong XU, Chuanlong TAO, Junping HUANG, Tianzhu WANG, Bo MAO
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Publication number: 20240167135Abstract: The present disclosure provides a carbide refining method of a high-carbon high-alloy steel. The carbide refining method of a high-carbon high-alloy steel includes the following steps: formulating a raw material according to chemical element compositions of the high-carbon high-alloy steel, and smelting to obtain a high-carbon high-alloy molten steel; performing an overheat treatment on the high-carbon high-alloy molten steel to Tm+(50˜100)° C., to obtain a high-carbon high-alloy melt, and making the high-carbon high-alloy melt to be deposited in a preset water-cooled copper mold at a speed of 30˜160 g/s by an inert gas, to obtain a high-carbon high-alloy billet through solidification molding; and performing a heat treatment process on the high-carbon high-alloy billet.Type: ApplicationFiled: June 30, 2023Publication date: May 23, 2024Inventors: Yujie WANG, Bo MAO, Jiao ZHANG, Baode SUN, Qing DONG, Jiangbo YANG, Haitao JIANG
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Publication number: 20220352273Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: ApplicationFiled: July 15, 2022Publication date: November 3, 2022Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo MAO, Mengyu LUAN, Changjun JIANG, Jun LI, Lang LIU, Zexu LIU, Hongtao GUO
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Patent number: 11444138Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: GrantFiled: May 13, 2019Date of Patent: September 13, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Bo Mao, Mengyu Luan, Changjun Jiang, Jun Li, Lang Liu, Zexu Liu, Hongtao Guo
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Patent number: 11200832Abstract: A pixel circuit is provided. A first terminal and a second terminal of a light-emitting sub-circuit are coupled to a first power supply terminal and a compensation sub-circuit respectively. A short-circuiting sub-circuit is coupled to the first terminal and the second terminal of, and short-circuits under control of a short-circuiting control terminal, the light-emitting sub-circuit. The compensation sub-circuit is coupled to a data voltage terminal, a reference voltage terminal, and a first electrode and a gate electrode of a driving transistor. The light-emitting sub-circuit emits a light of brightness in a level corresponding to a current flowing therethrough. The compensation sub-circuit loads, based on the data voltage terminal and the reference voltage terminal, a driving voltage related to a threshold voltage of the driving transistor onto the gate electrode of the driving transistor, such that a current flowing through the driving transistor is not influenced by its threshold voltage.Type: GrantFiled: May 24, 2018Date of Patent: December 14, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengyu Luan, Xinfeng Wu, Youyuan Hu, Xinzhu Wang, Fei Li, Huihui Li, Chengpeng Zhao, Bo Mao, Kai Yang, Zhongsheng Qi, Jie Liu
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Patent number: 11118259Abstract: The present disclosure provides an evaporation device and an evaporation method. The evaporation device includes: an evaporation chamber; a plurality of spaced conductive baffles disposed in the evaporation chamber and dividing the evaporation chamber into a plurality of evaporation sub-chambers, the conductive baffles configured to carry charges of a first polarity; an evaporation source disposed in at least one of the evaporation sub-chambers; and a particle charging circuit disposed in at least one of the evaporation sub-chambers. The particle charging circuit is configured to control evaporation material particles generated from the evaporation source in at least one of the evaporation sub-chambers to have charges of the first polarity.Type: GrantFiled: July 4, 2018Date of Patent: September 14, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Mao, Changjun Jiang, Jun Li, Langlang Ha, Yikun Dou, Yang Xu, Mengyu Luan
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Publication number: 20210225254Abstract: A pixel circuit is provided. A first terminal and a second terminal of a light-emitting sub-circuit are coupled to a first power supply terminal and a compensation sub-circuit respectively. A short-circuiting sub-circuit is coupled to the first terminal and the second terminal of, and short-circuits under control of a short-circuiting control terminal, the light-emitting sub-circuit. The compensation sub-circuit is coupled to a data voltage terminal, a reference voltage terminal, and a first electrode and a gate electrode of a driving transistor. The light-emitting sub-circuit emits a light of brightness in a level corresponding to a current flowing therethrough. The compensation sub-circuit loads, based on the data voltage terminal and the reference voltage terminal, a driving voltage related to a threshold voltage of the driving transistor onto the gate electrode of the driving transistor, such that a current flowing through the driving transistor is not influenced by its threshold voltage.Type: ApplicationFiled: May 24, 2018Publication date: July 22, 2021Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Mengyu LUAN, Xinfeng WU, Youyuan HU, Xinzhu WANG, Fei LI, Huihui LI, Chengpeng ZHAO, Bo MAO, Kai YANG, Zhongsheng QI, Jie LIU
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Patent number: 10916614Abstract: An array substrate, a display panel, a light-detecting method for a display panel, and a method for controlling a display panel are provided. The array substrate includes a base substrate; a plurality of pixel regions arranged in an array on the base substrate, the pixel regions each including a light-emitting region; and a light-detecting circuit in at least one pixel region, the light-detecting circuit configured to detect light emitted from the light-emitting region of the at least one pixel region in which the light-detecting circuit is provided.Type: GrantFiled: April 11, 2019Date of Patent: February 9, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengyu Luan, Yuching Peng, Youyuan Hu, Zhongsheng Qi, Bo Mao, Fei Li, Jianhui Zhang, Xinfeng Wu, Huihui Li, Xinzhu Wang
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Patent number: 10909900Abstract: A display substrate, a display device and a display control method are provided. The display substrate comprises a plurality of pixel units. Each of the plurality of pixel units includes a first region and a second region which is switchable between a non-opaque status and an opaque status. The first region comprises a first light-emitting unit which is a single-sided light-emitting unit. The second region includes at least one color-variable component covering the second region. Each of the at least one color-variable component is switchable between a transparent status and a non-transparent status. The second region is in the non-opaque status in a condition that the at least one color-variable component is in a transparent status. The second region is in the opaque status in a condition that the at least one color-variable component is in a non-transparent status.Type: GrantFiled: June 3, 2019Date of Patent: February 2, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengyu Luan, Zhongsheng Qi, Bo Mao, Youyuan Hu, Lang Liu
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Patent number: 10885821Abstract: An inspection device includes: a driving circuit, configured to input display data of an image to a pixel electrode of the array substrate; a light-emitting device comprising a first electrode, a second electrode, and a plurality of light-emitting units arranged between the first electrode and the second electrode, and the plurality of light-emitting units is capable of emitting light under the effect of an electric field between the first electrode and the second electrode; a test circuit, configured to electrically connect the first electrode of the light-emitting device to the pixel electrode of the array substrate, and input a first electrical signal to the second electrode of the light-emitting device, to generate the electric field; and a processing circuit, configured to acquire optical information of the light emitted by the light-emitting device, and determine whether there is an electrical defect in the array substrate according to the optical information.Type: GrantFiled: April 30, 2019Date of Patent: January 5, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyao Li, Bo Mao, Xuehai Gui, Qinghe Wang, Jun Wang, Dongfang Wang, Liangchen Yan
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Publication number: 20200258959Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: ApplicationFiled: May 13, 2019Publication date: August 13, 2020Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Mao, Mengyu Luan, Changjun Jiang, Jun Li, Lang Liu, Zexu Liu, Hongtao Guo
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Publication number: 20200168144Abstract: A display substrate, a display device and a display control method are provided. The display substrate comprises a plurality of pixel units. Each of the plurality of pixel units includes a first region and a second region which is switchable between a non-opaque status and an opaque status. The first region comprises a first light-emitting unit which is a single-sided light-emitting unit. The second region includes at least one color-variable component covering the second region. Each of the at least one color-variable component is switchable between a transparent status and a non-transparent status. The second region is in the non-opaque status in a condition that the at least one color-variable component is in a transparent status. The second region is in the opaque status in a condition that the at least one color-variable component is in a non-transparent status.Type: ApplicationFiled: June 3, 2019Publication date: May 28, 2020Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengyu LUAN, Zhongsheng QI, Bo MAO, Youyuan HU, Lang LIU
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Patent number: 10654290Abstract: The present disclosure is related to a liquid dispensing amount control apparatus. The liquid dispensing amount control apparatus may include at least one nozzle and at least one heating device. The heating device may be configured to heat a position of liquid dispensed from the nozzle to form a droplet.Type: GrantFiled: September 5, 2018Date of Patent: May 19, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Mengyu Luan, Youyuan Hu, Xinfeng Wu, Lin Chen, Bo Mao, Fei Li, Xinzhu Wang, Huihui Li
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Publication number: 20200066195Abstract: An inspection device includes: a driving circuit, configured to input display data of an image to a pixel electrode of the array substrate; a light-emitting device comprising a first electrode, a second electrode, and a plurality of light-emitting units arranged between the first electrode and the second electrode, and the plurality of light-emitting units is capable of emitting light under the effect of an electric field between the first electrode and the second electrode; a test circuit, configured to electrically connect the first electrode of the light-emitting device to the pixel electrode of the array substrate, and input a first electrical signal to the second electrode of the light-emitting device, to generate the electric field; and a processing circuit, configured to acquire optical information of the light emitted by the light-emitting device, and determine whether there is an electrical defect in the array substrate according to the optical information.Type: ApplicationFiled: April 30, 2019Publication date: February 27, 2020Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyao LI, Bo MAO, Xuehai GUI, Qinghe WANG, Jun WANG, Dongfang WANG, Liangchen YAN
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Publication number: 20200027941Abstract: An array substrate, a display panel, a light-detecting method for a display panel, and a method for controlling a display panel are provided. The array substrate includes a base substrate; a plurality of pixel regions arranged in an array on the base substrate, the pixel regions each including a light-emitting region; and a light-detecting circuit in at least one pixel region, the light-detecting circuit configured to detect light emitted from the light-emitting region of the at least one pixel region in which the light-detecting circuit is provided.Type: ApplicationFiled: April 11, 2019Publication date: January 23, 2020Inventors: Mengyu Luan, Yuching Peng, Youyuan Hu, Zhongsheng Qi, Bo Mao, Fei Li, Jianhui Zhang, Xinfeng Wu, Huihui Li, Xinzhu Wang
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Publication number: 20190203339Abstract: The present disclosure provides an evaporation device and an evaporation method. The evaporation device includes: an evaporation chamber; a plurality of spaced conductive baffles disposed in the evaporation chamber and dividing the evaporation chamber into a plurality of evaporation sub-chambers, the conductive baffles configured to carry charges of a first polarity; an evaporation source disposed in at least one of the evaporation sub-chambers; and a particle charging circuit disposed in at least one of the evaporation sub-chambers. The particle charging circuit is configured to control evaporation material particles generated from the evaporation source in at least one of the evaporation sub-chambers to have charges of the first polarity.Type: ApplicationFiled: July 4, 2018Publication date: July 4, 2019Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo MAO, Changjun JIANG, Jun LI, Langlang HA, Yikun DOU, Yang XU, Mengyu LUAN
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Patent number: 10284204Abstract: There are provided a logic unit circuit and a pixel driving circuit, which relate to a display technical field and are used to solve the problem that technical difficulties are increased due to mixed use of different types of transistors in the logic unit circuit. The logic unit circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and a tenth transistor of a same type. The logic unit circuit is used to realize logic gate operation.Type: GrantFiled: June 13, 2018Date of Patent: May 7, 2019Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Xuehuan Feng, Bo Mao
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Publication number: 20190061380Abstract: The present disclosure is related to a liquid dispensing amount control apparatus. The liquid dispensing amount control apparatus may include at least one nozzle and at least one heating device. The heating device may be configured to heat a position of liquid dispensed from the nozzle to form a droplet.Type: ApplicationFiled: September 5, 2018Publication date: February 28, 2019Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Mengyu Luan, Youyuan Hu, Xinfeng Wu, Lin Chen, Bo Mao, Fei Li, Xinzhu Wang, Huihui Li
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Patent number: D1076361Type: GrantFiled: March 6, 2025Date of Patent: May 27, 2025Inventor: Bo Mao