Patents by Inventor Liangsheng Liu
Liangsheng 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: 11784417Abstract: An antenna and a communications apparatus, where the antenna includes surface radiating patches, inner radiating patches, a first dielectric substrate disposed between the surface radiating patches and the inner radiating patches, and a second dielectric substrate disposed below the inner radiating patches and configured to carry antenna feeders coupled to the inner radiating patches. A dielectric constant or dielectric loss of the first dielectric substrate is lower than that of an organic resin substrate, and a coefficient of thermal expansion of the second dielectric substrate is lower than that of the organic resin substrate.Type: GrantFiled: March 16, 2022Date of Patent: October 10, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Chang, Liangsheng Liu, Qizhang Hong
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Patent number: 11489247Abstract: Embodiments of this application disclose an integrated circuit and a terminal device, to resolve a problem that an existing dual-band antenna has a relatively small low-frequency band range and is difficult to meet use requirements. An antenna includes a bearer structure, a first radiation patch, a second radiation patch, and a radio frequency processing chip. The first radiation patch, the second radiation patch, and the radio frequency processing chip are separately placed on different layers of the bearer structure. A first feed line and a second feed line are disposed in the bearer structure. The radio frequency processing chip feeds the first radiation patch by using the first feed line. The radio frequency processing chip feeds the second radiation patch by using the second feed line.Type: GrantFiled: January 15, 2021Date of Patent: November 1, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Weixi Zhou, Ming Chang, Hailin Dong, Liangsheng Liu, Hongcheng Yin
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Publication number: 20220336387Abstract: The invention provides a chip including a package substrate, at least one subunit, and a radio frequency chip. Each subunit includes an end-fire antenna disposed on an upper surface of the package substrate. The end-fire antenna is electrically connected to the radio frequency chip through a feed line. The radio frequency chip is located on a lower surface of the package substrate. According to the millimeter-wave antenna chip provided in this application, the end-fire antenna may be lifted to the upper surface of the package substrate of the chip by using stacked metal via holes of the package substrate, and a height of the end-fire antenna relative to a peripheral component may be increased by using a thickness of the package substrate.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: Weixi ZHOU, Liangsheng LIU, Guowen LIU
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Patent number: 11462817Abstract: A packaging structure, where the packaging structure includes: a first radiation plate, a second radiation plate, and a feeding part, where the second radiation plate is disposed below the first radiation plate, where a slot is disposed on the second radiation plate, where the slot is in a ring shape, where the feeding part is disposed below the second radiation plate, and where the feeding part includes a first feeding stub and a second feeding stub that are disposed independently of each other. Additionally, the first feeding stub and the second feeding stub are perpendicular to each other and disposed on a substrate below the slot, and the first feeding stub and the second feeding stub feed the first radiation plate using the slot.Type: GrantFiled: October 26, 2020Date of Patent: October 4, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Heng Qu, Ming Chang, Hailin Dong, Xinhong Li, Liangsheng Liu, Hongcheng Yin
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Patent number: 11398673Abstract: This application provides an example package structure with an antenna in package. The example package structure includes a substrate and a chip fastened under the substrate. The antenna in package includes a first radiator. The substrate includes a core layer and a first conductor layer, where the first radiator and a first conductive block are disposed on the first conductor layer. The package structure further includes a feed network, where the chip is coupled to the feed network, and the feed network provides feeding for the antenna in package. This application further provides a communications device.Type: GrantFiled: October 22, 2020Date of Patent: July 26, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Liangsheng Liu, Ming Chang, Jiajie Tang, Laicun Lin, Heng Qu, Hailin Dong
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Publication number: 20220209426Abstract: An antenna and a communications apparatus, where the antenna includes surface radiating patches, inner radiating patches, a first dielectric substrate disposed between the surface radiating patches and the inner radiating patches, and a second dielectric substrate disposed below the inner radiating patches and configured to carry antenna feeders coupled to the inner radiating patches. A dielectric constant or dielectric loss of the first dielectric substrate is lower than that of an organic resin substrate, and a coefficient of thermal expansion of the second dielectric substrate is lower than that of the organic resin substrate.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Inventors: Ming Chang, Liangsheng Liu, Qizhang Hong
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Patent number: 11309639Abstract: An antenna and a communications apparatus, where the antenna includes surface radiating patches, inner radiating patches, a first dielectric substrate disposed between the surface radiating patches and the inner radiating patches, and a second dielectric substrate disposed below the inner radiating patches and configured to carry antenna feeders coupled to the inner radiating patches. A dielectric constant or dielectric loss of the first dielectric substrate is lower than that of an organic resin substrate, and a coefficient of thermal expansion of the second dielectric substrate is lower than that of the organic resin substrate.Type: GrantFiled: September 14, 2020Date of Patent: April 19, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Ming Chang, Liangsheng Liu, Qizhang Hong
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Patent number: 11189927Abstract: A patch antenna unit includes a first support layer, a substrate, a second support layer, and an integrated circuit that are stacked. One radiation patch is attached to the first support layer, and one radiation patch is attached to the second support layer. A ground layer is disposed on the second support layer, a coupling slot is disposed on the ground layer, and a feeder corresponding to the coupling slot is disposed on the second support layer. The integrated circuit is connected to the first ground layer and the feeder. In the foregoing specific technical solution, a four-layer substrate is used for fabrication.Type: GrantFiled: May 12, 2020Date of Patent: November 30, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Liangsheng Liu, Xinhong Li, HuiLi Fu
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Publication number: 20210135334Abstract: Embodiments of this application disclose an integrated circuit and a terminal device, to resolve a problem that an existing dual-band antenna has a relatively small low-frequency band range and is difficult to meet use requirements. An antenna includes a bearer structure, a first radiation patch, a second radiation patch, and a radio frequency processing chip. The first radiation patch, the second radiation patch, and the radio frequency processing chip are separately placed on different layers of the bearer structure. A first feed line and a second feed line are disposed in the bearer structure. The radio frequency processing chip feeds the first radiation patch by using the first feed line. The radio frequency processing chip feeds the second radiation patch by using the second feed line.Type: ApplicationFiled: January 15, 2021Publication date: May 6, 2021Inventors: Weixi ZHOU, Ming CHANG, Hailin DONG, Liangsheng LIU, Hongcheng YIN
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Publication number: 20210043998Abstract: A packaging structure, where the packaging structure includes: a first radiation plate, a second radiation plate, and a feeding part, where the second radiation plate is disposed below the first radiation plate, where a slot is disposed on the second radiation plate, where the slot is in a ring shape, where the feeding part is disposed below the second radiation plate, and where the feeding part includes a first feeding stub and a second feeding stub that are disposed independently of each other. Additionally, the first feeding stub and the second feeding stub are perpendicular to each other and disposed on a substrate below the slot, and the first feeding stub and the second feeding stub feed the first radiation plate using the slot.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Inventors: Heng Qu, Ming Chang, Hailin Dong, Xinhong Li, Liangsheng Liu, Hongcheng Yin
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Publication number: 20210044011Abstract: This application provides an example package structure with an antenna in package. The example package structure includes a substrate and a chip fastened under the substrate. The antenna in package includes a first radiator. The substrate includes a core layer and a first conductor layer, where the first radiator and a first conductive block are disposed on the first conductor layer. The package structure further includes a feed network, where the chip is coupled to the feed network, and the feed network provides feeding for the antenna in package. This application further provides a communications device.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Inventors: Liangsheng LIU, Ming CHANG, Jiajie TANG, Laicun LIN, Heng QU, Hailin DONG
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Publication number: 20200412021Abstract: An antenna and a communications apparatus, where the antenna includes surface radiating patches, inner radiating patches, a first dielectric substrate disposed between the surface radiating patches and the inner radiating patches, and a second dielectric substrate disposed below the inner radiating patches and configured to carry antenna feeders coupled to the inner radiating patches. A dielectric constant or dielectric loss of the first dielectric substrate is lower than that of an organic resin substrate, and a coefficient of thermal expansion of the second dielectric substrate is lower than that of the organic resin substrate.Type: ApplicationFiled: September 14, 2020Publication date: December 31, 2020Inventors: Ming Chang, Liangsheng Liu, Qizhang Hong
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Publication number: 20200280132Abstract: A patch antenna unit includes a first support layer, a substrate, a second support layer, and an integrated circuit that are stacked. One radiation patch is attached to the first support layer, and one radiation patch is attached to the second support layer. A ground layer is disposed on the second support layer, a coupling slot is disposed on the ground layer, and a feeder corresponding to the coupling slot is disposed on the second support layer. The integrated circuit is connected to the first ground layer and the feeder. In the foregoing specific technical solution, a four-layer substrate is used for fabrication.Type: ApplicationFiled: May 12, 2020Publication date: September 3, 2020Inventors: Liangsheng Liu, Xinhong Li, HuiLi Fu
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Patent number: 10727595Abstract: A patch antenna unit and an antenna that relate to the field of communications technology wherein the patch antenna unit includes a first support layer, a substrate, a second support layer, and an integrated circuit that are stacked. One radiation patch is attached to the first support layer, and one radiation patch is attached to the second support layer. A ground layer is disposed on the second support layer, a coupling slot is disposed on the ground layer, and a feeder corresponding to the coupling slot is disposed on the second support layer. The integrated circuit is connected to the first ground layer and the feeder. In the foregoing specific technical solution, a four-layer substrate is used for fabrication.Type: GrantFiled: July 30, 2018Date of Patent: July 28, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Liangsheng Liu, Xinhong Li, HuiLi Fu
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Patent number: 10693233Abstract: A patch antenna unit and an antenna that relate to the field of communications technology wherein the patch antenna unit includes a first support layer, a substrate, a second support layer, and an integrated circuit that are stacked. One radiation patch is attached to the first support layer, and one radiation patch is attached to the second support layer. A ground layer is disposed on the second support layer, a coupling slot is disposed on the ground layer, and a feeder corresponding to the coupling slot is disposed on the second support layer. The integrated circuit is connected to the first ground layer and the feeder. In the foregoing specific technical solution, a four-layer substrate is used for fabrication.Type: GrantFiled: July 30, 2018Date of Patent: June 23, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Liangsheng Liu, Xinhong Li, HuiLi Fu
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Publication number: 20200161766Abstract: The disclosure discloses an antenna-in-package structure, including a first substrate and a second substrate. A first surface of the first substrate includes a first patch antenna, the second substrate is connected to a second surface of the first substrate, and the second substrate is provided with a third surface and a fourth surface. The third surface includes a second patch antenna, and a projection of the second patch antenna on the first surface at least partially overlaps the first patch antenna. A cavity is disposed between the first substrate and the second substrate, and the second patch antenna is separated from the second surface by the cavity. The fourth surface includes a radio frequency element, and the radio frequency element sends and receives a radio frequency signal by using the first patch antenna and the second patch antenna.Type: ApplicationFiled: November 15, 2019Publication date: May 21, 2020Inventors: Liangsheng LIU, Xinhong LI, HuiLi FU
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Publication number: 20180337456Abstract: A patch antenna unit and an antenna that relate to the field of communications technology wherein the patch antenna unit includes a first support layer, a substrate, a second support layer, and an integrated circuit that are stacked. One radiation patch is attached to the first support layer, and one radiation patch is attached to the second support layer. A ground layer is disposed on the second support layer, a coupling slot is disposed on the ground layer, and a feeder corresponding to the coupling slot is disposed on the second support layer. The integrated circuit is connected to the first ground layer and the feeder. In the foregoing specific technical solution, a four-layer substrate is used for fabrication.Type: ApplicationFiled: July 30, 2018Publication date: November 22, 2018Inventors: Liangsheng Liu, Xinhong Li, HuiLi Fu