CN112054281A - Antenna structure and mobile terminal - Google Patents

Antenna structure and mobile terminal Download PDF

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Publication number
CN112054281A
CN112054281A CN202010894842.1A CN202010894842A CN112054281A CN 112054281 A CN112054281 A CN 112054281A CN 202010894842 A CN202010894842 A CN 202010894842A CN 112054281 A CN112054281 A CN 112054281A
Authority
CN
China
Prior art keywords
substrate
antenna
connector
antenna structure
mobile terminal
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010894842.1A
Other languages
Chinese (zh)
Inventor
朱田伟
王建安
陈勇利
陈飞飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ruisheng Precision Manufacturing Technology Changzhou Co ltd
AAC Precision Manufacturing Technology Changzhou Co Ltd
Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
Original Assignee
Ruisheng Precision Manufacturing Technology Changzhou Co ltd
Science and Education City Branch of AAC New Energy Development Changzhou 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 Ruisheng Precision Manufacturing Technology Changzhou Co ltd, Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd filed Critical Ruisheng Precision Manufacturing Technology Changzhou Co ltd
Priority to CN202010894842.1A priority Critical patent/CN112054281A/en
Priority to PCT/CN2020/115722 priority patent/WO2022041345A1/en
Publication of CN112054281A publication Critical patent/CN112054281A/en
Pending legal-status Critical Current

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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
    • 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
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • H01Q21/061—Two dimensional planar arrays

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention provides an antenna structure and a mobile terminal, wherein the antenna structure is applied to the mobile terminal, the mobile terminal comprises a circuit board, a first connector is arranged on the circuit board, and the antenna structure comprises: the antenna structure comprises a first substrate, a second substrate connected with the first substrate, antenna parts, a transmission line and a second connector, wherein the first substrate is provided with a plurality of antenna parts, the second substrate is provided with the transmission line and the second connector, the antenna parts are electrically connected with the second connector through the transmission line, the antenna parts are integrated on the first substrate, the second connector is connected with the first connector, the mounting position of the antenna structure is not controlled by the layout of a circuit board, the spatial layout utilization rate of the mobile terminal can be improved, and the miniaturization of the mobile terminal is facilitated. In addition, the first substrate and the second substrate are manufactured separately, and then the first substrate is connected with the second substrate, so that the material loss of the antenna structure can be saved, and the manufacturing cost of the antenna structure can be reduced.

Description

Antenna structure and mobile terminal
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of antennas, in particular to an antenna structure and a mobile terminal.
[ background of the invention ]
An antenna is a device installed on a mobile terminal for receiving and transmitting signals.
The traditional antenna structure mostly comprises a radio frequency front-end circuit arranged on a circuit board of the mobile terminal and a radiator erected on the circuit board and connected with the radio frequency front-end circuit through connecting structures such as metal elastic sheets, the mounting position and the radio frequency front-end circuit of the antenna structure are limited by the layout of the circuit board, the antenna structure is not beneficial to flexibly designing an antenna scheme, in addition, the antenna structure does not fully utilize the inner space of the mobile terminal, the space waste is caused, the miniaturization of the mobile terminal is not facilitated, and the improvement is needed.
Therefore, there is a need to provide a new antenna structure and a mobile terminal to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide an antenna structure and a mobile terminal, and aims to solve the technical problem that the installation position of the conventional antenna structure is limited by the layout of a circuit board.
The technical scheme of the invention is as follows:
the utility model provides an antenna structure is applied to mobile terminal, mobile terminal includes the circuit board, be provided with first connector on the circuit board, antenna structure includes: the antenna comprises a first substrate, a second substrate, an antenna part, a transmission line and a second connector, wherein the second substrate, the antenna part, the transmission line and the second connector are connected with the first substrate, the first substrate is provided with a plurality of antenna parts, the second substrate is provided with the transmission line and the second connector, the antenna parts are multiple in number and pass through the transmission line and the second connector, and the first connector is connected with the second connector in a matched mode.
As an improvement, the antenna further comprises a plurality of matching parts arranged on the second substrate, the matching parts and the antenna parts are arranged in a one-to-one correspondence manner, and the matching parts are electrically connected with the antenna parts and the transmission lines.
As an improvement, each antenna part is provided with a first signal connecting end, the matching part is provided with a second signal connecting end matched with the first signal connecting end, and each first signal connecting end is electrically connected with the corresponding second signal connecting end.
As an improvement, each of the antenna portions is provided with a first ground connection end, the second substrate is provided with a second ground connection end matched with the first ground connection end, and the first ground connection end is electrically connected with the corresponding second ground connection end.
As an improvement, the transmission line is one or more of a stripline, a microstrip, and a coplanar waveguide.
As an improvement, the first substrate includes a first surface and a second surface opposite to the first surface, and the second substrate includes a third surface connected to the second surface and a fourth surface opposite to the third surface.
As a refinement, the second connector is provided on one of the third face and the fourth face.
As an improvement, the matching portion is provided on one of the third face and the fourth face.
As an improvement, the second substrate is a wiring board made of one or more of LCP board, MPI board, and PI board.
A mobile terminal is provided, which comprises the antenna structure.
The antenna structure provided by the invention has the beneficial effects that: the first substrate is provided with a plurality of antenna parts, the antenna parts are integrated on the first substrate, the antenna parts are electrically connected with the second connector through transmission lines, the second connector is connected with the first connector on the circuit board, the mounting position of the antenna structure can be adjusted, and the mounting position of the antenna structure is not controlled by the layout of the circuit board. In addition, the antenna part is arranged on the first substrate, the transmission line and the second connector are arranged on the second substrate, the first substrate integrated with the antenna part and the second substrate provided with the transmission line and the second connector can be manufactured separately, independent design of manufacturing can be carried out according to the first substrate of the antenna part and the second substrate of the transmission line, and then the first substrate and the second substrate are connected, so that material loss in manufacturing of the antenna structure can be saved, and manufacturing cost of the antenna structure can be reduced.
The mobile terminal provided by the invention has the beneficial effects that: the antenna structure comprises a first substrate, a second substrate and a circuit board, wherein the first substrate is provided with a plurality of antenna parts, the plurality of antenna parts are integrated on the first substrate, the plurality of antenna parts are electrically connected with the second connector through transmission lines, the second connector is connected with the first connector on the circuit board, the mounting position of the antenna structure is not controlled by the layout of the circuit board, the space layout utilization rate of the mobile terminal can be improved, and the miniaturization of the mobile terminal is facilitated.
[ description of the drawings ]
Fig. 1 is a schematic diagram of an antenna structure provided by an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of the antenna structure shown in FIG. 1;
FIG. 3 is a top view of the antenna structure shown in FIG. 1;
FIG. 4 is a bottom view of the antenna structure shown in FIG. 1;
FIG. 5 is a side view of the antenna structure shown in FIG. 1;
FIG. 6 is a top view of a first substrate of the antenna structure shown in FIG. 1;
FIG. 7 is a bottom view of the first substrate shown in FIG. 6;
FIG. 8 is a top view of a second substrate of the antenna structure shown in FIG. 1;
fig. 9 is a bottom view of the second substrate shown in fig. 8.
[ detailed description ] embodiments
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 to 4, the present invention discloses an antenna structure applied to a mobile terminal, the mobile terminal includes a circuit board, a first connector is disposed on the circuit board, and the antenna structure includes: the antenna comprises a first substrate 100, a second substrate 200 connected with the first substrate 100, antenna parts 300, transmission lines and a second connector 400, wherein the first substrate 100 is provided with a plurality of antenna parts 300, the antenna integration level is high, the second substrate 200 is provided with the transmission lines and the second connector 400, the antenna parts 300 are electrically connected with the second connector 400 through the transmission lines, the first connector is connected with the second connector 400 in a matched mode, the antenna parts 300 are integrated on the first substrate 100, the antenna parts 300 are electrically connected with the second connector 400 through the transmission lines, the second connector 400 is connected with the first connector on a circuit board, the mounting position of the antenna structure can be adjusted, and the mounting position of the antenna structure is not controlled by the layout of the circuit board and is easy to assemble.
The transmission line may be disposed within a laminated structure of the second substrate 200, not shown in the drawings.
In addition, the antenna part 300 is disposed on the first substrate 100, the transmission line and the second connector 400 are disposed on the second substrate 200, the first substrate 100 integrated with the antenna part 300 and the second substrate 200 provided with the transmission line and the second connector 400 can be separately manufactured, the first substrate 100 of the antenna part and the second substrate 200 of the transmission line can be independently designed for manufacturing a board, and then the first substrate 100 and the second substrate 200 are connected, so that material loss in manufacturing the antenna structure can be reduced, and manufacturing cost of the antenna structure can be reduced.
It can be understood that the first substrate 100 and the second substrate 200 may adopt different stacking layouts, and materials for preparing the first substrate 100 and the second substrate 200 may be flexibly selected, so that the first substrate 100 and the second substrate 200 may be respectively prepared by using different stacking layouts and different materials, which is beneficial to processing and may save material cost, thereby reducing the processing cost of the antenna structure, and may be installed according to a flexible antenna structure design and a flexible antenna structure to improve the performance of antenna signal transmission.
In an embodiment, the antenna structure further includes a plurality of matching portions 500 disposed on the second substrate 200, the matching portions 500 and the antenna portions 300 are disposed in a one-to-one correspondence manner, the matching portions 500 are electrically connected to the antenna portions 300 and the transmission lines, the matching portions 500 can be used for mounting components, and the matching portions 500 are disposed on the second substrate 200, which is beneficial to component assembly and component mounting in the subsequent process.
Referring to fig. 6 to 9, each antenna portion 300 is provided with a first signal connection end 310, the matching portion 500 is provided with a second signal connection end 510 matched with the first signal connection end 310, each first signal connection end 310 is electrically connected with the corresponding second signal connection end 510 to realize the electrical connection between the antenna portion 300 and the matching portion 500, the matching portion 500 is electrically connected with a transmission line through a blind hole or a via hole, and further, the electrical connection between the antenna portion 300 and the second connector 400 is realized through the matching portion 500 and the transmission line.
Further, each antenna portion 300 is provided with a first ground connection end 320, the second substrate 200 is provided with a second ground connection end 210 matched with the first ground connection end 320, and the first ground connection end 320 is electrically connected to the corresponding second ground connection end 210, so that the antenna portion 300 is electrically connected to the second connector 400 through the first ground connection end 320, the second ground connection end 210 and the transmission line.
Preferably, the first signal connection end 310 and the second signal connection end 510 are thermally compression welded, the first ground connection end 320 and the second ground connection end 210 are thermally compression welded, the first signal connection section and the first ground connection end 320 are disposed on the antenna portion 300, so that the solder joints of the first signal connection end 310 and the first ground connection end 320 can be disposed away from the second substrate 200, the influence of the solder joints on the signal transmission of the second substrate 200 can be reduced, and the processing difficulty of the second substrate 200 can be reduced.
Specifically, the first signal connector 310 and the first ground connector 320 are vias having pads, and the second signal connector 510 and the second ground connector 210 are pads.
In an embodiment, the transmission line is one or more of a strip line, a microstrip line and a coplanar waveguide line, and the transmission line may adopt different connection forms to electrically connect the matching part 500 and the second connector 400, and maintain the stability of the electrical connection.
It is understood that the specific size and shape of the second substrate 200 can be adjusted according to the design requirement of the antenna structure, and the shape of the second substrate 200 can be rectangular, trapezoidal, or other shapes to meet the design requirement of the antenna structure.
In one embodiment, the number of the antenna portions 300 is 4, 6 or 8 on the first substrate 100, so as to provide superior signal transmission performance. Of course, it is understood that in some other embodiments, 2, 10 or other numbers of the antenna portions 300 may be disposed on the first substrate 100 to meet the design requirements of the antenna structure.
Referring to fig. 5, the first substrate 100 includes a first surface 110 and a second surface 120 opposite to the first surface 110, and the second substrate 200 includes a third surface 220 connected to the second surface 120 and a fourth surface 230 opposite to the third surface 220, so as to fix the first substrate 100 and the second substrate 200.
Preferably, an adhesive layer is disposed between the second surface 120 and the third surface 220, so as to connect and fix the first substrate 100 and the second substrate 200 by using the adhesive layer. Of course, in other embodiments, a connector may be further included, and the connector may be a screw to connect the first substrate 100 and the second substrate 200 by using the screw, so that the first substrate 100 and the second substrate 200 are relatively fixed to maintain the stability of the soldering between the first signal connection end 310 and the second signal connection end 510, and the stability of the soldering between the first ground connection end 320 and the second ground connection end 210.
In an embodiment, a second connector 400 is disposed on one of the third and fourth faces 220 and 230 to adjustably dispose the second connector 400 on the second substrate 200, and the disposition position of the second connector 400 can be adjusted according to the design requirement of the antenna structure.
In an embodiment, a matching part 500 is disposed on one of the third and fourth faces 220 and 230, so that the matching part 500 can be adjustably disposed on the second substrate 200, and the disposition position of the matching part 500 can be adjusted according to the design requirement of the antenna structure.
It is understood that the second connector 400 and the matching part 500 may be disposed on the same surface or different surfaces of the second substrate 200, and the positions of the second connector 400 and the matching part 500 may be adjusted according to the design requirements of the antenna structure.
In an embodiment, the antenna is one of an inverted F antenna and a monopole antenna, the specific type of the antenna is not limited, and the corresponding antenna type may be matched according to the design requirement of the antenna structure, and preferably, the inverted F antenna may be a PIFA antenna and an IFA antenna.
In an embodiment, the second substrate 200 is a circuit board made of one or more of LCP, MPI, and PI, and the second substrate 200 can be manufactured without material limitation, and the material for manufacturing the second substrate 200 can be adjusted according to the design requirement of the antenna structure to manufacture the second substrate 200 with specified characteristics.
As shown in fig. 1, a mobile terminal includes the above antenna structure, a plurality of antenna portions 300 are disposed on a first substrate 100, the plurality of antenna portions 300 are integrated on the first substrate 100, the plurality of antenna portions 300 are electrically connected to a second connector 400 through a transmission line, the second connector 400 is connected to a first connector on a circuit board, and a mounting position of the antenna structure is not controlled by a layout of the circuit board, so that a spatial layout utilization rate of the mobile terminal can be improved, and the mobile terminal is miniaturized.
It is understood that the mobile terminal may be a terminal device such as a smart phone, a smart watch, or a tablet computer.
It is to be noted that, in the present invention, the term "plurality" means two or more; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept of the present invention, but these are all within the scope of the present invention.

Claims (10)

1. The utility model provides an antenna structure, is applied to mobile terminal, mobile terminal includes the circuit board, be provided with first connector on the circuit board, its characterized in that, antenna structure includes: the antenna comprises a first substrate, a second substrate, an antenna part, a transmission line and a second connector, wherein the second substrate, the antenna part, the transmission line and the second connector are connected with the first substrate, the first substrate is provided with a plurality of antenna parts, the second substrate is provided with the transmission line and the second connector, the antenna parts are multiple in number and pass through the transmission line and the second connector, and the first connector is connected with the second connector in a matched mode.
2. The antenna structure of claim 1, further comprising a plurality of matching portions disposed on the second substrate, wherein the matching portions are disposed in one-to-one correspondence with the antenna portions, and the matching portions electrically connect the antenna portions and the transmission lines.
3. The antenna structure according to claim 2, wherein each of the antenna portions has a first signal connection terminal disposed thereon, and the matching portion has a second signal connection terminal disposed thereon, the second signal connection terminal being matched with the first signal connection terminal, and each of the first signal connection terminals being electrically connected to the corresponding second signal connection terminal.
4. The antenna structure according to claim 3, wherein each of the antenna portions has a first ground connection terminal disposed thereon, and the second substrate has a second ground connection terminal disposed thereon, the first ground connection terminal being electrically connected to the corresponding second ground connection terminal.
5. The antenna structure of claim 1, wherein the transmission line is one or more of a stripline, a microstrip, and a coplanar waveguide.
6. The antenna structure according to claim 2, wherein the first substrate includes a first surface and a second surface disposed opposite to the first surface, and the second substrate includes a third surface connected to the second surface and a fourth surface disposed opposite to the third surface.
7. The antenna structure according to claim 6, characterized in that the second connector is provided on one of the third face and the fourth face.
8. The antenna structure according to claim 6, characterized in that the matching portion is provided on one of the third face and the fourth face.
9. The antenna structure according to claim 1, characterized in that the second substrate is a wiring board made of one or more of LCP, MPI and PI boards.
10. A mobile terminal, characterized in that it comprises an antenna structure according to any of claims 1 to 9.
CN202010894842.1A 2020-08-31 2020-08-31 Antenna structure and mobile terminal Pending CN112054281A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010894842.1A CN112054281A (en) 2020-08-31 2020-08-31 Antenna structure and mobile terminal
PCT/CN2020/115722 WO2022041345A1 (en) 2020-08-31 2020-09-17 Antenna structure and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010894842.1A CN112054281A (en) 2020-08-31 2020-08-31 Antenna structure and mobile terminal

Publications (1)

Publication Number Publication Date
CN112054281A true CN112054281A (en) 2020-12-08

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CN (1) CN112054281A (en)
WO (1) WO2022041345A1 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101752655A (en) * 2008-11-28 2010-06-23 华硕电脑股份有限公司 Panel antenna
CN106887667A (en) * 2017-04-26 2017-06-23 青岛海信移动通信技术股份有限公司 A kind of antenna and mobile terminal
CN108539439A (en) * 2017-03-02 2018-09-14 Tdk株式会社 Antenna assembly
CN209434390U (en) * 2018-12-24 2019-09-24 深圳市信维通信股份有限公司 A kind of millimeter wave antenna modular structure and terminal device
US20190319346A1 (en) * 2018-04-13 2019-10-17 Honeywell International Inc. Circuit board antenna structures and systems
CN110506363A (en) * 2017-05-23 2019-11-26 华为技术有限公司 Antenna assembly
CN210006734U (en) * 2019-07-22 2020-01-31 中芯长电半导体（江阴）有限公司 Packaged antenna module
CN110933957A (en) * 2018-07-20 2020-03-27 株式会社村田制作所 Antenna device, antenna module, and circuit board used in the antenna module
US10674607B2 (en) * 2017-09-12 2020-06-02 Samsung Electronics Co., Ltd. Electronic device including interposer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209104342U (en) * 2018-11-13 2019-07-12 Oppo（重庆）智能科技有限公司 Antenna and electronic device
CN110312009B (en) * 2019-06-26 2021-03-02 维沃移动通信有限公司 Display module and mobile terminal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101752655A (en) * 2008-11-28 2010-06-23 华硕电脑股份有限公司 Panel antenna
CN108539439A (en) * 2017-03-02 2018-09-14 Tdk株式会社 Antenna assembly
CN106887667A (en) * 2017-04-26 2017-06-23 青岛海信移动通信技术股份有限公司 A kind of antenna and mobile terminal
CN110506363A (en) * 2017-05-23 2019-11-26 华为技术有限公司 Antenna assembly
US10674607B2 (en) * 2017-09-12 2020-06-02 Samsung Electronics Co., Ltd. Electronic device including interposer
US20190319346A1 (en) * 2018-04-13 2019-10-17 Honeywell International Inc. Circuit board antenna structures and systems
CN110933957A (en) * 2018-07-20 2020-03-27 株式会社村田制作所 Antenna device, antenna module, and circuit board used in the antenna module
CN209434390U (en) * 2018-12-24 2019-09-24 深圳市信维通信股份有限公司 A kind of millimeter wave antenna modular structure and terminal device
CN210006734U (en) * 2019-07-22 2020-01-31 中芯长电半导体（江阴）有限公司 Packaged antenna module

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Application publication date: 20201208