Patents by Inventor Bao Lu
Bao Lu 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: 12191573Abstract: Provided are an antenna apparatus and an electronic device. The antenna apparatus comprises a plurality of antenna units, spaced from each other; a plurality of decoupling networks, corresponding to the plurality of antenna units one to one; and a decoupling transmission line. Each of the decoupling networks comprises a first transmission line and a second transmission line; an end of the first transmission line is configured to be connected to a radio-frequency chip, the other end of the first transmission line is connected to an end of the second transmission line, a decoupling port is formed at a joint between the other end of the first transmission line and the end of the second transmission line, and the other end of the second transmission line is connected to a corresponding antenna unit; and the decoupling transmission lines is connected between adjacent decoupling ports. The electronic device comprises the antenna apparatus.Type: GrantFiled: November 11, 2022Date of Patent: January 7, 2025Assignees: XIDIAN UNIVERSITY, GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Shuai Zhang, Nan Huang, Zhengdong Yong, Bao Lu
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Publication number: 20230077615Abstract: An antenna apparatus, an electronic device and a decoupling method for the antenna apparatus. The antenna apparatus includes a first antenna unit and a second antenna unit, a first decoupling network including a first input port connected to a first feed source; a first output port connected to the first antenna unit; and a first decoupling port; a second decoupling network including a second input port connected to a second feed source; a second output port connected to the second antenna unit; and a second decoupling port; and a decoupling transmission line connected between the first decoupling port and the second decoupling port. The first decoupling network and the decoupling transmission line form a power divider, such that a power input from the first input port is distributed to the first antenna unit and the decoupling transmission line based on a power division ratio of the power divider.Type: ApplicationFiled: November 11, 2022Publication date: March 16, 2023Inventors: Shuai Zhang, Yuguo Liu, Zhengdong Yong, Bao Lu
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Publication number: 20230062082Abstract: Provided are an antenna apparatus and an electronic device. The antenna apparatus comprises a plurality of antenna units, spaced from each other; a plurality of decoupling networks, corresponding to the plurality of antenna units one to one; and a decoupling transmission line. Each of the decoupling networks comprises a first transmission line and a second transmission line; an end of the first transmission line is configured to be connected to a radio-frequency chip, the other end of the first transmission line is connected to an end of the second transmission line, a decoupling port is formed at a joint between the other end of the first transmission line and the end of the second transmission line, and the other end of the second transmission line is connected to a corresponding antenna unit; and the decoupling transmission lines is connected between adjacent decoupling ports. The electronic device comprises the antenna apparatus.Type: ApplicationFiled: November 11, 2022Publication date: March 2, 2023Inventors: Shuai Zhang, Nan Huang, Zhengdong Yong, Bao Lu
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Patent number: 11515633Abstract: A mobile terminal and an antenna that includes a feeder and a radiating element. The radiating element includes a first radiating patch and a second radiating patch. The first radiating patch and the second radiating patch are located on one side of the feeder and form a loop together with the feeder. An adjustable component configured to control the feeder and the second radiating patch is disposed on the feeder between the first radiating patch and the second radiating patch. The first radiating patch has a first extension part extending to an opposing side of the feeder.Type: GrantFiled: August 23, 2018Date of Patent: November 29, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chongfeng Zhao, Kun Li, Bao Lu, Yu Wang
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Patent number: 11145957Abstract: An antenna, an antenna control method, and a terminal, where the antenna includes an antenna body and an antenna branch, where one end of the antenna branch is coupled to the antenna body, the other end is coupled to a feedpoint of a primary radio frequency channel, and the end of the antenna branch that is coupled to the feedpoint of the primary radio frequency channel is further coupled to the antenna body through a first adjustable device, where the first adjustable device is in an on state or an off state. An antenna branch is coupled between the feedpoint of the primary radio frequency channel and the antenna body, and the antenna branch is capable of coupling or decoupling by switching on or off the first adjustable device.Type: GrantFiled: November 21, 2017Date of Patent: October 12, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chongfeng Zhao, Bao Lu, Kun Li
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Patent number: 11095033Abstract: An antenna apparatus includes a radiator and two feeding branch circuits, where a first feeding branch circuit includes a first feedpoint and a first filter circuit electrically coupled between the first feedpoint and the radiator, and where the first feedpoint is configured to feed a first signal of a first frequency band. A second feeding branch circuit includes a second feedpoint and a second filter circuit electrically coupled between the second feedpoint and the radiator, with the second feedpoint configured to feed a second signal of a second frequency band. The first filter circuit is configured to allow the first signal to pass through and ground the second signal. The second filter circuit is configured to allow the second signal to pass through and ground the first signal.Type: GrantFiled: December 28, 2017Date of Patent: August 17, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Kun Li, Chien-ming Lee, Bao Lu, Silei Huyan
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Patent number: 11038257Abstract: A communications terminal includes an antenna structure and a metallic frame that includes at least one slot. The antenna structure includes an NFC antenna and a non-NFC antenna. The NFC antenna includes an NFC radiator, a first filtering unit, and an NFC circuit, and the non-NFC antenna includes a non-NFC radiator, a second filtering unit, and a non-NFC circuit. The NFC radiator and the non-NFC radiator are formed by the metallic frame of the communications terminal, and the entire non-NFC radiator is in the NFC radiator. The NFC circuit is coupled to the NFC radiator by using the first filtering unit, the non-NFC circuit is coupled to the non-NFC radiator by using the second filtering unit, the first filtering unit is configured to filter out a non-NFC signal, and the second filtering unit is configured to filter out an NFC signal.Type: GrantFiled: July 4, 2017Date of Patent: June 15, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Wei Zhu, Yi Wang, Kun Li, Silei Huyan, Yun Zhang, Bao Lu, Shiqiang Lu
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Publication number: 20210119336Abstract: A dual-feed dual-band multiple-input and multiple-output (MIMO) antenna apparatus includes an antenna radiator, a first feed port, a second feed port, a first filter unit, and a second filter unit. The first feed port and the second feed port are spaced on the antenna radiator in a length direction of the antenna radiator. The first filter unit is disposed between the first feed port and the antenna radiator, and the second filter unit is disposed between the second feed port and the antenna radiator. The first filter unit is configured to pass a frequency component within a first preset frequency range, and filter out a frequency component outside the first preset frequency range; and the second filter unit is configured to filter out a frequency component within a second preset frequency range, and pass a frequency component outside the second preset frequency range.Type: ApplicationFiled: December 27, 2017Publication date: April 22, 2021Inventors: Qiao Sun, Bao Lu, Kun Li
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Publication number: 20200381828Abstract: An antenna apparatus includes a radiator and two feeding branch circuits, where a first feeding branch circuit includes a first feedpoint and a first filter circuit electrically coupled between the first feedpoint and the radiator, and where the first feedpoint is configured to feed a first signal of a first frequency band. A second feeding branch circuit includes a second feedpoint and a second filter circuit electrically coupled between the second feedpoint and the radiator, with the second feedpoint configured to feed a second signal of a second frequency band. The first filter circuit is configured to allow the first signal to pass through and ground the second signal. The second filter circuit is configured to allow the second signal to pass through and ground the first signal.Type: ApplicationFiled: December 28, 2017Publication date: December 3, 2020Inventors: Kun Li, Chien-ming Lee, Bao Lu, Silei Huyan
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Publication number: 20200365992Abstract: A mobile terminal and an antenna that includes a feeder and a radiating element. The radiating element includes a first radiating patch and a second radiating patch. The first radiating patch and the second radiating patch are located on one side of the feeder and form a loop together with the feeder. An adjustable component configured to control the feeder and the second radiating patch is disposed on the feeder between the first radiating patch and the second radiating patch. The first radiating patch has a first extension part extending to an opposing side of the feeder.Type: ApplicationFiled: August 23, 2018Publication date: November 19, 2020Inventors: Chongfeng Zhao, Kun Li, Bao Lu, Yu Wang
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Publication number: 20200313281Abstract: An antenna, an antenna control method, and a terminal, where the antenna includes an antenna body and an antenna branch, where one end of the antenna branch is coupled to the antenna body, the other end is coupled to a feedpoint of a primary radio frequency channel, and the end of the antenna branch that is coupled to the feedpoint of the primary radio frequency channel is further coupled to the antenna body through a first adjustable device, where the first adjustable device is in an on state or an off state. An antenna branch is coupled between the feedpoint of the primary radio frequency channel and the antenna body, and the antenna branch is capable of coupling or decoupling by switching on or off the first adjustable device.Type: ApplicationFiled: November 21, 2017Publication date: October 1, 2020Inventors: Chongfeng Zhao, Bao Lu, Kun Li
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Publication number: 20190372201Abstract: A communications terminal includes an antenna structure and a metallic frame that includes at least one slot. The antenna structure includes an NFC antenna and a non-NFC antenna. The NFC antenna includes an NFC radiator, a first filtering unit, and an NFC circuit, and the non-NFC antenna includes a non-NFC radiator, a second filtering unit, and a non-NFC circuit. The NFC radiator and the non-NFC radiator are formed by the metallic frame of the communications terminal, and the entire non-NFC radiator is in the NFC radiator. The NFC circuit is coupled to the NFC radiator by using the first filtering unit, the non-NFC circuit is coupled to the non-NFC radiator by using the second filtering unit, the first filtering unit is configured to filter out a non-NFC signal, and the second filtering unit is configured to filter out an NFC signal.Type: ApplicationFiled: July 4, 2017Publication date: December 5, 2019Inventors: Wei Zhu, Yi Wang, Kun Li, Silei Huyan, Yun Zhang, Bao Lu, Shiqiang Lu
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Patent number: 10389857Abstract: A mobile communications terminal includes a metal backplane, a circuit board, and a metal frame. A feeding structure is located between a first ground point and a second ground point. A slot is located between the first ground point and the feeding structure. The first antenna uses, as a radiator, a part of the metal frame between the slot and the first ground point. The second antenna uses, as a radiation slot, a gap between the metal backplane and the part of the metal frame between the slot and the first ground point. The third antenna uses, as another radiation slot, a gap between the metal backplane and a part of the metal frame between the slot and the second ground point.Type: GrantFiled: December 17, 2015Date of Patent: August 20, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Qiao Sun, Yi Wang, Hanyang Wang, Yibo Chen, Bao Lu, Shiqiang Lu
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Publication number: 20180375971Abstract: A mobile communications terminal includes a metal backplane, a circuit board, and a metal frame. A feeding structure is located between a first ground point and a second ground point. A slot is located between the first ground point and the feeding structure. The first antenna uses, as a radiator, a part of the metal frame between the slot and the first ground point. The second antenna uses, as a radiation slot, a gap between the metal backplane and the part of the metal frame between the slot and the first ground point. The third antenna uses, as another radiation slot, a gap between the metal backplane and a part of the metal frame between the slot and the second ground point.Type: ApplicationFiled: December 17, 2015Publication date: December 27, 2018Inventors: Qiao Sun, Yi Wang, Hanyang Wang, Yibo Chen, Bao Lu, Shiqiang Lu
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Patent number: 10058874Abstract: A low-calcium silicate cement consists of calcium oxide, silica, alumina, and iron oxide. A preparation method of the low-calcium silicate cement consists of: subjecting raw materials to crushing, joint grinding and uniform mixing to obtain a low-calcium silicate cement raw meal; calcining the above low-calcium silicate cement raw meal at 1050-1300° C. for 30-90 min, and cooling to obtain low-calcium silicate cement clinker; and levigating the above low-calcium silicate cement clinker till a specific surface area is 400-500 m2/Kg, thereby obtaining a low-calcium silicate cement.Type: GrantFiled: September 25, 2015Date of Patent: August 28, 2018Assignee: YANCHENG INSTITUTE OF TECHNOLOGYInventors: Guihua Hou, Bao Lu, Xiaojiao Gao, Qinfang Zhang, Yuebin Cao, Entian Cui, Zetian Tao, Ruiyu Jiang, Feng Zhang
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Publication number: 20180111875Abstract: A low-calcium silicate cement, comprising: based on the total mass of oxides as 1, 50-60% of calcium oxide, 30-45% of silica, 2-6% of alumina, and 1-4% of iron oxide. A preparation method of the low-calcium silicate cement comprises: subjecting raw materials to crushing, joint grinding and uniform mixing to obtain a low-calcium silicate cement raw meal; calcining the above low-calcium silicate cement raw meal at 1050-1300° C. for 30-90 min, and cooling to obtain low-calcium silicate cement clinker; and levigating the above low-calcium silicate cement clinker till a specific surface area is 400-500 m2/Kg, thereby obtaining a low-calcium silicate cement.Type: ApplicationFiled: September 25, 2015Publication date: April 26, 2018Inventors: Guihua HOU, Bao LU, Xiaojiao GAO, Qinfang ZHANG, Yuebin CAO, Entian CUI, Zetian TAO, Ruiyu JIANG, Feng ZHANG
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Publication number: 20180083345Abstract: Embodiments of the present disclosure provide a multi-band antenna and a terminal device. The multi-band antenna includes a feedpoint, a matching network, a capacitor assembly, a radiation portion, and a grounding portion. The feedpoint, the matching network, the capacitor assembly, the radiation portion, and the grounding portion are connected in sequence. The matching network includes at least a serially-connected inductor and a grounded capacitor or inductor. The grounding portion is electrically connected to a ground plane. A first resonant circuit is formed from the feedpoint to the grounding portion. The first resonant circuit generates a first resonance frequency and a second resonance frequency. The first resonance frequency is used in a CRLH mode, and the second resonance frequency is used in a half-wavelength loop mode.Type: ApplicationFiled: April 10, 2015Publication date: March 22, 2018Inventors: Chongfeng Zhao, Silei Huyan, Bao Lu, Shiqiang Lu, Yi Wang, Kun Li
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Patent number: 9865777Abstract: A semiconductor light-emitting device including a light-emitting diode chip and an electrode disposed thereon is provided. The electrode at least includes a plated silver alloy (Ag1-xYx) layer, wherein the Y of the Ag1-xYx layer includes metals forming a complete solid solution with Ag at arbitrary weight percentage, and the X of the Ag1-xYx layer is in a range from about 0.02 to 0.15. The fabricating method thereof is also provided.Type: GrantFiled: October 28, 2016Date of Patent: January 9, 2018Assignee: ChipMOS Technologies Inc.Inventors: Tung-Bao Lu, Tzu-Han Hsu
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Publication number: 20170331006Abstract: A semiconductor light-emitting device including a light-emitting diode chip and an electrode disposed thereon is provided. The electrode at least includes a plated silver alloy (Ag1-xYx) layer, wherein the Y of the Ag1-xYx layer includes metals forming a complete solid solution with Ag at arbitrary weight percentage, and the X of the Ag1-xYx layer is in a range from about 0.02 to 0.15. The fabricating method thereof is also provided.Type: ApplicationFiled: October 28, 2016Publication date: November 16, 2017Applicant: ChipMOS Technologies Inc.Inventors: Tung-Bao Lu, Tzu-Han Hsu
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Patent number: 9780056Abstract: A solder ball includes a silver ball structure and a shell structure. The shell structure wraps a surface of the silver ball structure, and a material of the shell structure at least includes tin. When the solder ball is bonded to other devices, the ball height of the solder ball remains constant to avoid collapse.Type: GrantFiled: October 19, 2016Date of Patent: October 3, 2017Assignee: ChipMOS Technologies Inc.Inventors: Tung-Bao Lu, Tzu-Han Hsu