WO2020253938A1 - Structure d'antenne à orientation de faisceau continu - Google Patents

Structure d'antenne à orientation de faisceau continu Download PDF

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Publication number
WO2020253938A1
WO2020253938A1 PCT/EP2019/065883 EP2019065883W WO2020253938A1 WO 2020253938 A1 WO2020253938 A1 WO 2020253938A1 EP 2019065883 W EP2019065883 W EP 2019065883W WO 2020253938 A1 WO2020253938 A1 WO 2020253938A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive element
beam steering
antenna structure
antenna array
antenna
Prior art date
Application number
PCT/EP2019/065883
Other languages
English (en)
Inventor
Ruiyuan TIAN
Zlatoljub Milosavljevic
Janne Ilvonen
Jari Kristian VAN WONTERGHEM
Antti KARILAINEN
Alexander Khripkov
Sami Rintamaki
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2019/065883 priority Critical patent/WO2020253938A1/fr
Priority to CN201980097505.5A priority patent/CN114097140A/zh
Publication of WO2020253938A1 publication Critical patent/WO2020253938A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • the disclosure relates to a beam steering antenna structure for an electronic device, the beam steering antenna structure comprising a first conductive element and a first antenna array adapted for at least one of transmitting and receiving a first radioffequency radiation beam.
  • Radio signal technology such as 2G/3G/4G radio.
  • the frequency range will, e.g., be expanded from sub-6 GHz to so called millimeter-wave frequency, e.g. above 20 GHz.
  • millimeter-wave frequencies an antenna array will be necessary in order to form a radiation beam with higher gain which overcomes the higher path loss in the propagation media.
  • a millimeter-wave antenna array is arranged next to the display, such that the display does not interfere with the beam coverage.
  • the movement towards very large displays, covering as much as possible of the electronic device makes the space available for the antenna array very limited, forcing either the size of the antenna array to be significantly reduced, and its performance impaired, or a large part of the display to be inactive.
  • the main radiation beam of the millimeter-wave antenna array is oftentimes directed in the broadside direction, i.e., perpendicular to the display of the electronic device, but may also be directed in the end-fire direction, i.e., parallel to the display.
  • a broadside antenna array can form beams radiating perpendicular to the display and towards the rear of the device.
  • the electronic device may have a metal back cover, which will block the broadside radiation.
  • an end-fire antenna array can form beams radiating in parallel with the display, thus improving the beam direction coverage.
  • the electronic device may have a metal frame surrounding the edges of the electronic device, which will distort the end-fire radiation.
  • a beam steering antenna structure for an electronic device, the beam steering antenna structure comprising a first conductive element and a first antenna array, the first antenna array being adapted for at least one of transmitting and receiving a first radiofrequency radiation beam to and from an exterior of the electronic device, the first antenna array comprising a second conductive element comprising a main radiator of the first antenna array, and a plurality of first transmission lines for simultaneously exciting radiofrequency range signals to be transmitted between the first conductive element and the second conductive element, the transmission lines extending in a common plane through a non-conductive volume located between the first conductive element and the second conductive element, the main radiator being arranged such that it is in direct contact with the exterior.
  • the second conductive element does not block the radio frequency radiation beam transmitted to and received from an exterior of the electronic device. This allows the radiation beam to be steered, at least partially, in any desired direction such that sufficient gain coverage can be achieved in any direction from the beam steering antenna structure, without negatively affecting, e.g., the mechanical strength of the beam steering antenna structure.
  • the second conductive element comprises a nonperforated, solid volume.
  • a nonperforated, solid volume Such a solution allows for a second conductive element in which no slots or cuts are required. Radiation is transmitted directly from the second conductive element, which enables end-fire beamforming and hence full-sphere omnicoverage which is not blocked by, e.g., the frame of the electronic device.
  • the second conductive element comprises an integral piece of metal, facilitating a continuous and durable outer component such as a metal frame.
  • the main radiator is not separated from the exterior by means of a dielectric filled opening in the second conductive element.
  • the beam steering antenna structure further comprises a plurality of first ground connections extending between the first conductive element and the second conductive element through the non-conductive volume, the first ground connections extending in parallel with the plane of first transmission lines at a distance corresponding to an operating radiofrequency range, facilitating an a spatially efficient beam steering antenna structure as possible without arranging the ground connections between the transmission lines.
  • the beam steering antenna structure further comprises a second ground connection extending between the first conductive element and the second conductive element, facilitating providing a further antenna within the beam steering antenna structure.
  • the first transmission lines are spaced by a distance corresponding to the operating radiofrequency range.
  • a main direction of the first radiofrequency radiation beam is steered by applying different phases to each simultaneously excited radioffequency range signal.
  • the first antenna array is an end-fire antenna array having vertical polarization or horizontal polarization, allowing the polarization to be chosen in accordance with other requirements while still achieving improved beam coverage.
  • the first antenna array is a millimeter-wave antenna.
  • the beam steering antenna structure further comprises one of a second antenna array or second antenna transmitting and receiving a second radiofrequency radiation beam, the second conductive element comprising a main radiator of the second antenna array or second antenna, facilitating coexistence of different antennas which enables omnicoverage.
  • the main radiator of the second antenna array or second antenna comprises the main radiator of the first antenna array, reducing the volume occupied by the beam steering antenna structure within the electronic device.
  • the second antenna is a sub6- GHz antenna. Coexistence of sub-6 GHz antennas with, e.g., millimeter-wave antennas enables communication in 5G and beyond 5G cellular networks and wireless area networks.
  • the beam steering antenna structure further comprises a third conductive element, and a second transmission line for exciting radiofrequency range signals to be transmitted between the third conductive element and the second conductive element, the second transmission line extending through the non-conductive volume.
  • the first conductive element is one of a printed circuit board and a radio frequency integrated circuit, existing components being utilized to provide an electronic device having improved beam coverage.
  • first transmission lines and the second transmission line are/is coupled to the second conductive element by means of at least one of a galvanic coupling and a capacitive coupling.
  • an electronic device comprising a display, a housing, a device chassis at least partially enclosed by the display and the housing, and a beam steering antenna structure according to the above, wherein the housing comprises at least a side frame and a back cover, the side frame extending between the display and the back cover, the second conductive element of the beam steering antenna structure being at least a portion of the side frame, the first radiofrequency radiation beam and/or the second radiofrequency radiation beam, generated by the beam steering antenna structure, being transmitted and received past the housing.
  • the side frame of the electronic device does not block the radiofrequency radiation beam transmitted to and received from an exterior of the electronic device.
  • the radiation beam to be steered, at least partially, in any desired direction such that sufficient gain coverage can be achieved in any direction from the beam steering antenna structure, without negatively affecting, e.g., the mechanical strength or the design of the electronic device and/or the housing.
  • At least one of the first conductive element of the beam steering antenna structure and the third conductive element is a printed circuit board or a radio frequency integrated circuit, a ground connection extending between the device chassis and the first conductive element or the third conductive element.
  • the main radiator of the second conductive element is visible from an exterior of the electronic device.
  • Figs la and lb show schematic perspective views of an electronic device and a beam steering antenna structure according to prior art
  • Fig. 2 shows a schematic perspective view of an electronic device in accordance with an embodiment of the present invention
  • Fig. 3 shows a schematic perspective view of a beam steering antenna structure in accordance with an embodiment of the present invention
  • Figs. 4a and 4b show schematic side views of the embodiment of Fig. 3;
  • Figs 5a and 5b show schematic side views of beam steering antenna structures in accordance with further embodiments of the present invention.
  • Fig. 6 shows a schematic cross-sectional view of an electronic device in accordance with an embodiment of the present invention
  • Figs. 7 to 9 show schematic cross-sectional views of beam steering antenna structures in accordance with further embodiments of the present invention.
  • Figs la and lb show an electronic device 13 and a beam steering antenna structure according to prior art.
  • the conductive side frame 15a of the electronic device necessarily comprises one or several openings filled with dielectric material.
  • a radiofrequency radiation beam R1 generated by antenna array 3, within a first radio frequency range, is transmitted and/or received through each of these openings.
  • the antenna array 3 comprises a plurality o f individual and separate main radiators 4a, each main radiator 4a being excited by a separate and individual transmission line 5.
  • Each separate main radiator 4a is aligned with an opening in the side frame.
  • Figs. 2 and 6 shows an electronic device 13 according to the present invention comprising a display 14, a housing 15, a device chassis 16 at least partially enclosed by the display 14 and the housing 15, and a beam steering antenna structure 1 discussed in more detail further below.
  • the housing 15 comprises at least a side frame 15a and a back cover 15b.
  • the side frame 15a extends between the display 14 and the back cover 15b, preferably the side frame 15a extends between the peripheral edges of the display 14, or the display glass covering the display, and the back cover 15b forming a rim extending between the two.
  • the side frame 15a and/or the back cover 15b may comprise of a conductive material such as metal.
  • the back cover 15b may furthermore comprise of non-conductive material.
  • the device chassis 16 may comprise a PCB (printed circuit board), an RFIC (radio frequency integrated circuit), or any other conductive internal component.
  • the display 14 and the housing 15 may at least partially surround the device chassis 16. Any radiofrequency radiation beam generated by the beam steering antenna structure 1 is transmitted and/or received past the housing 15, more specifically by means of the side frame 15a.
  • the above-mentioned beam steering antenna structure 1 shown in Figs. 3 to 5 and 7 to 9, comprises a first conductive element 2 and a first antenna array 3.
  • the first conductive element 2 may be a printed circuit board 17 or a radio frequency integrated circuit 18.
  • a ground connection 7 may extend between the device chassis 16 and the first conductive element 2, as shown in Figs. 5a and 5b.
  • the first antenna array 3 is adapted for at least one of transmitting a first radiofrequency radiation beam R1 to the exterior of the electronic device 13 and receiving a first radiofrequency radiation beam R1 from the exterior of the electronic device.
  • exterior is meant the surroundings, i.e. the air surrounding the electronic device 13.
  • the first antenna array 3 comprises a second conductive element 4, comprising the main radiator 4a of the first antenna array 3, and a plurality of first transmission lines 5.
  • the main radiator 4a of the first antenna array 3 is arranged such that it is in direct contact with the exterior.
  • a cavity is formed between the first conductive element 2 and the second conductive element 4. The cavity may be bridged by a galvanic or capacitive coupling and may at least partially be filled with dielectric material.
  • the first conductive element 2 is the ground plane
  • the second conductive element 4 is the radiator.
  • the conductive element 2 can be grounded to the chassis 16 of the electronic device.
  • the second conductive element 4 /radiator constitutes the visible exterior of the mobile phone, which is a continuous and uninterrupted metal frame.
  • the transmission lines 5 conduct radiofrequency signals, from the RFIC to the radiator.
  • the RFIC is located somewhere on the ground plane.
  • the second conductive element 4 may be a portion of the side frame 15a, or the entire side frame 15a.
  • the main radiator 4a of the first antenna array 3 is a part of the side frame 15a, and preferably visible from the exterior of the electronic device 13, i.e. the side frame 15a is the main radiator 4a of the first antenna array 3.
  • the second conductive element 4 is, in other words, both the visible exterior of the electronic device (the metal frame), as well as the main radiator 4a of the first antenna array 3, forming beams and steering beams as a phased array by adjusting the phase and amplitude of the signal to each transmission line 5.
  • the second conductive element 4 comprises a nonperforated, solid volume, which may be an integral piece of metal.
  • the main radiator 4a of the first antenna array 3 is such a nonperforated, solid volume, i.e. the main radiator 4a of the first antenna array 3 is not separated from the exterior by means of a dielectric filled opening in the second conductive element 4/ side frame 15a.
  • the plurality of first transmission lines 5 excite radio frequency range signals Rl , to be transmitted between the first conductive element 2 and the second conductive element 4, simultaneously.
  • the transmission lines 5 extend in row in a common plane through a non- conductive volume 6 located between the first conductive element 2 and the second conductive element 4, as shown in Figs. 4a and 4b.
  • the first transmission lines 5 may be spaced by a distance corresponding to the operating radiofrequency range.
  • the operating radiofrequency is determined by the size of the radiator in three dimensions, as well as the number of first transmission lines 5.
  • the main direction of the first radio frequency radiation beam R1 is steered by applying different phases to each simultaneously excited radio frequency range signal, i.e. each individual transmission line 5.
  • the plurality of first transmission lines 5 may be connected to VIASs (Vertical Interconnect Access), which in turn connect or couple to the main radiator 4a of the first antenna array 3.
  • VIASs Very Interconnect Access
  • the number of transmission lines 5 may be related to the RFIC interface, which e.g. is an 8-feed or 16-feed interface.
  • a 40 mm-portion side frame 15a fed by 16 transmission lines may deliver 6dB higher array gain than a corresponding 10 mm-portion fed by 4 transmission lines. It also delivers 6 dB higher total radiated power due to the higher number of feeds.
  • the RFIC may not support this many radiofrequency paths, in which case the transmission lines may be combined by power dividers to match the number of radioffequency paths.
  • the beam steering antenna may also comprise a plurality of first ground connections 7 extending between the first conductive element 2 and the second conductive element 4 through the non-conductive volume 6, as shown in Figs. 5a and 5b, in row in a common plane.
  • the first ground connections 7 extend in parallel with the plane of first transmission lines 5, at a distance from the plane of first transmission lines 5 corresponding to the operating radioffequency range, i.e. Figs. 4b, 5a, and 5b show the same view of the beam steering antenna, while Fig. 4a shows a view rotatedby 90 ° .
  • the plane of first transmission lines 5, the signal plane extends in parallel with a plane comprising the first ground connections 7, the ground plane.
  • the first ground connections 7 are not to be placed in row with the first transmission lines 5, neither adjacent one of two end transmission lines nor interjected between two adjacent transmission lines 5.
  • a further second ground connection 7 may extend between the first conductive element 2 and the second conductive element 4.
  • the further second ground connection 7 may extend in parallel with the plane of first transmission lines 5.
  • the further second ground connection 7 may also be placed in row with the first transmission lines 5, adjacent one of two end transmission lines, but it may neither be interjected between two adjacent transmission lines 5 nor intersect any of the first transmission lines 5 when extending within the non- conductive volume 6.
  • the beam steering antenna structure may further comprise second antenna array or second antenna 8 transmitting and receiving a second radiofrequency radiation beam R2, within a second radio frequency range.
  • the first radio frequency range may be equal to the second radio frequency range, but preferably the first radio frequency range is different from the second radio frequency range.
  • the second conductive element 4 preferably comprises the main radiator 8a of the second antenna array or second antenna 8. Even more preferably, the main radiator 8a of the second antenna array or second antenna 8 comprises the main radiator 4a of the first antenna array 3.
  • the main radiator 8a of the second antenna array or second antenna 8 may be a larger section or the entire side frame 15a, while the main radiator 4a of the first antenna array 3 is a smaller section of the same side frame 15a.
  • the size of the main radiator 8a of the second antenna array or second antenna 8 corresponds to the wave length of the second radiofrequency radiation beam R2, within the second radio frequency range, and the size of the main radiator 4a of the first antenna array 3 corresponds to the wave length of the first radiofrequency radiation beam Rl , within the first radio frequency range.
  • the significantly higher frequency of the second radio frequency range requires the main radiator 8a of the second antenna array or second antenna 8 to be larger than the main radiator 4a of the first antenna array 3.
  • the beam steering antenna structure 1 may further comprise a third conductive element 9, such as a device chassis 16, a PCB 17, or a RFIC 18.
  • the second conductive element 2 may be a radio frequency integrated circuit 18 and the third conductive element 9 may be a PCB 17.
  • a second transmission line 10 for exciting radiofrequency range signals to be transmitted between the third conductive element 9 and the second conductive element 4 extends through the non-conductive volume 6.
  • a ground connection 7 may extend between the third conductive element 9 and the device chassis 16.
  • the first transmission lines 5 and the second transmission line 10 may be coupled to the second conductive element 3 by means of at least one of a galvanic coupling 1 1 , as shown in Fig. 5a, and a capacitive coupling 12, as shown in Fig. 5b.
  • the first antenna array 3 is an end-fire antenna array having vertical polarization or horizontal polarization.
  • the denominations“horizontal” and“vertical” indicate the direction of the electric field in relation to the earth’s surface. Since an electronic device such as a mobile phone, comprising the beam steering antenna structure 1 , can be held and used in any direction in relation to the earth’s surface,“horizontal” and“vertical” indicate the polarization directions when the electronic device is placed on a surface essentially parallel with the earth’s surface. In such a case, the vertically polarized signals oscillate from top to bottom such that the electric field is perpendicular to the earth’s surface.
  • the horizontally polarized signals oscillate from left to right such that the electric field is parallel to the earth’s surface.
  • the first antenna array 3 may be a millimeter-wave antenna
  • the second antenna 8 may be a sub6-GHz antenna.
  • the main radiator 4a of the first antenna array 3 is, in this case, the same as the main radiator 8a of the second antenna 8.
  • the sub6- GHz antenna comprises a larger portion of the side frame 15a or the entire side frame 15a.
  • the second transmission line 10 is a sub6-GHz feed.
  • the RFIC 18 may be placed directly on the side frame 15a when the first antenna array 3 is a millimeter-wave antenna.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne une structure d'antenne à orientation de faisceau (1) pour un dispositif électronique, la structure d'antenne à orientation de faisceau (1) comprenant un premier élément conducteur (2) et un premier réseau d'antennes (3). Le premier réseau d'antennes (3) est conçu pour émettre et recevoir un premier faisceau de rayonnement radiofréquence (R1) vers et depuis l'extérieur du dispositif électronique. Le premier réseau d'antennes (3) comprend un second élément conducteur (4) comprenant un élément rayonnant principal (4a) du premier réseau d'antennes (3), et une pluralité de premières lignes de transmission (5) pour exciter simultanément des signaux de plage de fréquences radio à transmettre entre le premier élément conducteur (2) et le second élément conducteur (4). Les lignes de transmission (5) s'étendent dans un plan commun à travers un volume non conducteur (6) situé entre le premier élément conducteur (2) et le second élément conducteur (4). L' élément rayonnant principal (4a) est agencé de telle sorte qu'il est en contact direct avec l'extérieur. Le second élément conducteur (4) ne bloque pas le faisceau de rayonnement radiofréquence émis vers et reçu depuis l'extérieur du dispositif électronique, permettant au faisceau de rayonnement d'être orienté, au moins partiellement, dans n'importe quelle direction souhaitée de telle sorte qu'une couverture de gain suffisante peut être obtenue dans n'importe quelle direction à partir de la structure d'antenne à orientation de faisceau.
PCT/EP2019/065883 2019-06-17 2019-06-17 Structure d'antenne à orientation de faisceau continu WO2020253938A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2019/065883 WO2020253938A1 (fr) 2019-06-17 2019-06-17 Structure d'antenne à orientation de faisceau continu
CN201980097505.5A CN114097140A (zh) 2019-06-17 2019-06-17 连续波束控制天线结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/065883 WO2020253938A1 (fr) 2019-06-17 2019-06-17 Structure d'antenne à orientation de faisceau continu

Publications (1)

Publication Number Publication Date
WO2020253938A1 true WO2020253938A1 (fr) 2020-12-24

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ID=66951964

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/065883 WO2020253938A1 (fr) 2019-06-17 2019-06-17 Structure d'antenne à orientation de faisceau continu

Country Status (2)

Country Link
CN (1) CN114097140A (fr)
WO (1) WO2020253938A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188731A (zh) * 2022-02-15 2022-03-15 云谷（固安）科技有限公司 集成天线的显示屏、显示装置和电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160141767A1 (en) * 2013-06-28 2016-05-19 Huawei Technologies Co., Ltd. Multiple-Antenna System and Mobile Terminal
US20170201011A1 (en) * 2016-01-11 2017-07-13 Samsung Electronics Co., Ltd. Wireless communication device with leaky-wave phased array antenna
WO2018206116A1 (fr) * 2017-05-12 2018-11-15 Huawei Technologies Co., Ltd. Dispositif de communication
US20190027802A1 (en) * 2017-07-20 2019-01-24 Apple Inc. Millimeter Wave Transmission Line Structures

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160141767A1 (en) * 2013-06-28 2016-05-19 Huawei Technologies Co., Ltd. Multiple-Antenna System and Mobile Terminal
US20170201011A1 (en) * 2016-01-11 2017-07-13 Samsung Electronics Co., Ltd. Wireless communication device with leaky-wave phased array antenna
WO2018206116A1 (fr) * 2017-05-12 2018-11-15 Huawei Technologies Co., Ltd. Dispositif de communication
US20190027802A1 (en) * 2017-07-20 2019-01-24 Apple Inc. Millimeter Wave Transmission Line Structures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188731A (zh) * 2022-02-15 2022-03-15 云谷（固安）科技有限公司 集成天线的显示屏、显示装置和电子设备
US11456529B2 (en) 2022-02-15 2022-09-27 Yungu (Gu'an) Technology Co., Ltd. Antenna integrated display screen, display apparatus and electronic equipment

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