WO2020259300A1 - 显示模组及移动终端 - Google Patents

显示模组及移动终端 Download PDF

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Publication number
WO2020259300A1
WO2020259300A1 PCT/CN2020/095548 CN2020095548W WO2020259300A1 WO 2020259300 A1 WO2020259300 A1 WO 2020259300A1 CN 2020095548 W CN2020095548 W CN 2020095548W WO 2020259300 A1 WO2020259300 A1 WO 2020259300A1
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WO
WIPO (PCT)
Prior art keywords
antenna array
display module
radio frequency
integrated circuit
frequency integrated
Prior art date
Application number
PCT/CN2020/095548
Other languages
English (en)
French (fr)
Inventor
简宪静
祝利军
王义金
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to KR1020217041499A priority Critical patent/KR102582482B1/ko
Priority to ES20830933T priority patent/ES2965166T3/es
Priority to JP2021574993A priority patent/JP7345571B2/ja
Priority to EP20830933.6A priority patent/EP3993368B1/en
Publication of WO2020259300A1 publication Critical patent/WO2020259300A1/zh
Priority to US17/552,096 priority patent/US20220109225A1/en

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    • 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
    • H01Q21/12—Parallel arrangements of substantially straight elongated conductive units
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper

Definitions

  • the present disclosure relates to the technical field of communication equipment, and in particular to a display module and a mobile terminal.
  • the application scenarios of wireless communication systems are becoming more and more abundant, and the requirements for antennas, one of the key components of the wireless communication system, are becoming higher and higher.
  • antennas need to be conformal, concealed, and safe for integration into wireless products such as automobiles, smart wearables, and smart homes.
  • the transmission rate of wireless communication systems becomes more and more High, the communication capacity is getting larger and larger, so that the carrier frequency is getting higher and higher, and the path loss caused by the higher and higher carrier frequency is getting bigger and bigger, so that the array antenna needs to increase the gain to overcome the influence of the path loss.
  • phased antenna array technology With high gain and beam scanning or beamforming (beamforming), phased antenna array technology needs to be adopted, which requires more and more antennas to be integrated in a limited space, which requires traditional antenna design Based on the method, open up other antenna space.
  • 5G and mobile phones (or other wireless communication products) full screens the number of antennas is increasing, and the pursuit of the ultimate full screen effect has led to continuous compression of the antenna space.
  • the mainstream millimeter wave antenna design scheme mainly adopts the technology and process of antenna packaging (Antenna in package, AIP), that is, the millimeter wave array antenna, radio frequency integrated circuit (RFIC) and power management integrated module (Power Management Intergarted Circuit, PMIC) is integrated in one module.
  • AIP antenna packaging
  • RFIC radio frequency integrated circuit
  • PMIC Power Management Intergarted Circuit
  • the embodiments of the present disclosure provide a display module and a mobile terminal to solve the problem that the antenna array occupies the space of other antennas at present, which causes the antenna performance to decrease.
  • embodiments of the present disclosure provide a display module, which is applied to a mobile terminal, the display module includes a screen cover, a first antenna array, a first flexible circuit board, and a first radio frequency integrated circuit; wherein,
  • the first antenna array is arranged in the first area of the screen cover
  • the first radio frequency integrated circuit is arranged on the first flexible circuit board, and is electrically connected to the first antenna array through the first flexible circuit board.
  • the embodiments of the present disclosure also provide a mobile terminal.
  • the mobile terminal includes a display module and a carrier that carries the display module; the display module includes a screen cover, a first antenna array, and a first antenna array.
  • the flexible circuit board and the first radio frequency integrated circuit are used to provide a mobile terminal.
  • the first antenna array is arranged in the first area of the screen cover
  • the first radio frequency integrated circuit is arranged on the first flexible circuit board, and is electrically connected to the first antenna array through the first flexible circuit board.
  • a first antenna array is provided in the first area of the screen cover, and the area above the screen is beam-scanned or beam-shaped by the first antenna array.
  • the antenna array designed in the embodiment of the present disclosure does not need to occupy the space of other antennas provided on the back cover of the mobile terminal, thereby improving the performance of the antenna.
  • Figure 1 is one of the structural diagrams of a display module provided by an embodiment of the present disclosure
  • Figure 2 is an enlarged schematic diagram of A in Figure 1;
  • FIG. 3 is the second structural diagram of the display module provided by the embodiment of the present disclosure.
  • Fig. 4 is an enlarged schematic diagram of B in Fig. 3;
  • Fig. 5 is a structural diagram of a mobile terminal provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a display module applied to a mobile terminal, including a screen cover 11, a first antenna array 12, a first flexible circuit board 13, and a first radio frequency integrated circuit 14; among them,
  • the first antenna array 12 is arranged in the first area 111 of the screen cover 11;
  • the first radio frequency integrated circuit 14 is disposed on the first flexible circuit board 13 and is electrically connected to the first antenna array 12 through the first flexible circuit board 13.
  • the above-mentioned screen cover is usually a glass cover, of course, it can also be made of other transparent non-metallic materials in practical applications.
  • the above-mentioned first area is an area without any metal components and only glass medium or plastic medium.
  • a clear area for example, in a mobile terminal, it is usually called a clear area.
  • the position of the above-mentioned first area 111 can be set according to actual needs, and can be set at the upper or lower end of the screen cover 11.
  • the upper and lower ends of the screen cover 11 are relative to the overall structure of the mobile terminal. Yes, a front camera is provided at the upper end of the mobile terminal, and a microphone is provided at the lower end of the mobile terminal.
  • the above-mentioned first area 111 is located at the lower end of the screen cover 11.
  • the width of the first area may be set according to actual needs.
  • the first antenna array 12 may be set in an area with a width of less than 1 mm.
  • the frequency of receiving and transmitting beams of the first antenna array 12 can be set according to actual needs.
  • the frequency of receiving and transmitting the first antenna array 12 can be 60G.
  • the above-mentioned first antenna array may be referred to as a millimeter wave antenna array.
  • a connection point may be provided on the first flexible circuit board 13, and after the first flexible circuit board 13 is attached to the screen cover 11, the first flexible circuit board 13 and the screen cover can be realized based on the connection points.
  • the electrical connection relationship of the conductive wires on 11 can simultaneously realize the electrical connection between the first flexible circuit board 13 and the first antenna array 12.
  • a conductive circuit is provided on the first flexible circuit board 13, and the first radio frequency integrated circuit 14 can be electrically connected to the first antenna array 12 through the conductive circuit and connection points.
  • the first flexible circuit board 13 may be welded and fixed to the screen cover 11 through connection points.
  • the first antenna array 12 is provided in the first area 111 of the screen cover 11, and the area above the screen is beam-scanned or beam-shaped by the first antenna array 12.
  • the antenna array designed in the embodiment of the present disclosure does not need to occupy the space of other antennas provided on the back cover of the mobile terminal, thereby improving the performance of the antenna.
  • the above-mentioned mobile terminals may include: mobile phones, tablet computers, e-book readers, MP3 players, MP4 players, digital cameras, laptop computers, car computers, desktop computers, set-top boxes, smart TVs, and wearable devices. At least one.
  • the first flexible circuit board 13 is provided with a first connector 131, and the first radio frequency integrated circuit 14 is electrically connected to the main board of the mobile terminal through the first connector 131.
  • the above-mentioned first connector 131 may be a board to board (Board to Board, BTB) connector. Since the first connector 131 is used to realize the electrical connection between the first flexible circuit board 13 and the main board, the independence between the first flexible circuit board 13 and the main board can be ensured, and the disassembly and assembly can be facilitated.
  • BTB Board to Board
  • the first flexible circuit board 13 is further provided with a screen driving chip 132 and a touch detection chip 133, and the screen driving chip 132 and the touch detection chip 133 pass all
  • the first connector 131 is connected to the motherboard.
  • the above-mentioned screen driver chip 132 may be a driver chip of a display screen for driving the display of the display screen, and the above-mentioned touch detection chip 133 is electrically connected to the screen cover 11 for detecting information that the screen cover 11 is touched. Because in the embodiment of the present disclosure, the screen driver chip 132 and the touch detection chip 133 are arranged on the first flexible circuit board 13, and share the first connector 131 with the first radio frequency integrated circuit 14 to realize the connection with the motherboard Therefore, space can be effectively saved, which is conducive to the miniaturization of the mobile terminal.
  • the structure of the first antenna array 12 can be set according to actual needs.
  • the first antenna array 12 includes at least two first dipole antenna elements 121,
  • the first dipole antenna unit 121 includes two first dipole antennas 1211 arranged in parallel.
  • each first dipole antenna unit 121 includes two first dipole antennas 1211.
  • the two first dipole antennas 1211 in the first dipole antenna unit 121 are arranged at intervals in the length direction of the first dipole antenna 1211, and the shape and size of the two first dipole antennas 1211 can be To be consistent, specifically, the length of the first dipole antenna 1211 may be set to 0.55 mm, the width may be set to 0.2 mm, and the distance between the two first dipole antennas 1211 may be 0.1 mm.
  • a first bonding area (not shown in the figure) and a first feeder 1212 are provided on the screen cover 11 corresponding to each of the first dipole antenna units 1211.
  • One end of the feeder line 1212 is electrically connected to the corresponding first dipole antenna unit 1211, and the other end is electrically connected to the corresponding first link area, and the first link area is electrically connected to the first flexible circuit board 13.
  • connection point of the first flexible circuit board 13 may be electrically connected to the first link area through a thermal connection process.
  • the specific connection method may refer to related technologies, which is not further limited herein.
  • the first feeder line 1212 is led from the ends (that is, opposite ends) of the two opposite arms of the two first dipole antennas 1211 and extends to the first link area of the screen cover 11.
  • the two first dipole antennas 1211 of the first dipole antenna unit 121 may adopt differential feeding, that is, the signal amplitudes from the pins of the first radio frequency integrated circuit 14 are equal and the phases are different. 180°. Because the differential feeding method is adopted, the lengths of the two first feeding lines 1212 of the first dipole antenna unit 121 are required to be the same as possible. If there is a difference, the phase of the output signal of the first radio frequency integrated circuit 14 can be compensated.
  • the display module further includes a second antenna array 15, a second flexible circuit board 16, and a second radio frequency integrated circuit 17, wherein,
  • the second antenna array 15 is disposed in a second area 112 of the screen cover 11, and the second area 112 and the first area 111 are located at two opposite ends of the screen cover 11;
  • the second radio frequency integrated circuit 17 is disposed on the second flexible circuit board 16 and is electrically connected to the second antenna array 15 through the second flexible circuit board 16.
  • the above-mentioned second area 112 is located at the upper end of the screen cover 11, and the structure of the second area is the same as that of the first area 111, but the position is different.
  • the structure of the second antenna array 15 may be consistent with the structure of the first antenna array 12.
  • the second antenna array 15 includes at least two second dipole antenna elements 151, and the second dipole antenna element 151 includes two second dipole antennas 1511 arranged in parallel.
  • the two second dipole antennas 1511 in the second dipole antenna unit 151 are arranged at intervals in the length direction of the second dipole antenna 1511, and the shape and size of the two second dipole antennas 1511 can be the same, Specifically, the length of the second dipole antenna 1511 may be set to 0.55 mm, the width may be set to 0.2 mm, and the distance between the two second dipole antennas 1511 may be 0.1 mm.
  • the second antenna array may be referred to as a millimeter wave antenna array.
  • the second antenna array 15 is provided in the embodiment of the present disclosure, the spatial coverage of the antenna can be improved.
  • the first antenna array 12 and the second antenna array 15 can be switched. For example, when the user touches the first area 111, the second antenna array 15 can be used for data transmission and reception; when the user touches the second area 112, the second antenna array can be used. An antenna array 12 performs data transmission and reception; in this way, the quality of wireless communication is improved.
  • a second link area (not shown in the figure) and a second feeder 1512 are provided on the screen cover 11 corresponding to each of the second dipole antenna units 1511. One end is electrically connected to the corresponding second dipole antenna unit 1511, and the other end is electrically connected to the corresponding second link area, and the second link area is electrically connected to the second flexible circuit board 16.
  • connection point of the second flexible circuit board 16 can be electrically connected to the second link area through a thermal connection process.
  • the specific connection method can refer to related technologies, which is not further limited herein.
  • the second feeder 1512 is led out from the ends (that is, opposite ends) of two opposite arms of the two first dipole antennas 1211, and extends to the second link area of the screen cover 11.
  • the two second dipole antennas 1511 of the second dipole antenna unit 151 may adopt differential feeding, that is, the signal amplitudes from the pins of the second radio frequency integrated circuit 17 are equal and the phases are different. 180°.
  • the differential feeding method is adopted, it is required that the lengths of the two second feeding lines 1512 of the second dipole antenna unit 151 are as same as possible. If there is a difference, the phase of the output signal of the second radio frequency integrated circuit 17 can be compensated.
  • the second flexible circuit board 16 is provided with a second connector 161, and the second radio frequency integrated circuit 17 is electrically connected to the main board of the mobile terminal through the second connector 161.
  • the above-mentioned second connector 161 may be a board to board (Board to Board, BTB) connector. Since the second connector 161 is used to realize the electrical connection between the second flexible circuit board 16 and the main board, the independence between the second flexible circuit board 16 and the main board can be ensured, and the disassembly and assembly can be facilitated.
  • BTB Board to Board
  • embodiments of the present disclosure also provide a mobile terminal, which includes a display module and a carrier 18 that carries the display module.
  • the supporting member 18 may be a front shell or a middle frame
  • the above-mentioned display module is the display module in the above-mentioned embodiment
  • the structure of the display module can be referred to the description of the above-mentioned embodiment, which will not be repeated here. Since the display module in the above embodiment is adopted, the mobile terminal provided in this embodiment has all the beneficial effects of the display module in the above embodiment.
  • the carrier 18 is a metal carrier, and the metal carrier is used as a reflector of the antenna array of the display module.
  • the metal bearing member and the antenna array may have a certain distance in the thickness direction of the mobile terminal.
  • the spacing can be understood as the vertical distance between each first dipole antenna element 121 in the first antenna array 12 and the carrier 18 in the thickness direction of the mobile terminal, and each second dipole antenna in the second antenna array 15
  • the vertical distance between the unit 151 and the carrier 18 in the thickness direction of the mobile terminal, and the size of the distance can be set according to actual needs.
  • the above-mentioned supporting member 18 may be made of metal material at the positions corresponding to the first antenna array 12 and the second antenna array 15 in the thickness direction, or may be made of metal material as a whole, which is not further limited here. Since the supporting member 18 is a metal supporting member, it can act as a reflector of the antenna array, and the maximum radiation direction of the antenna array can be directed toward the side of the screen, thereby increasing the gain of the first antenna array 12 and the second antenna array 15, and The quality of wireless communication.
  • the vertical distance between each first dipole antenna unit 121 and the carrier 18 is set to be 0.37 mm, and each second The vertical distance between the dipole antenna unit 151 and the carrier 18 is 0.37 mm, so that the 60G frequency beam can improve the communication quality to the greatest extent.
  • the display module includes the first antenna array 12, the first radio frequency integrated circuit 14, the second antenna array 15 and the second radio frequency integrated circuit 17,
  • the mobile terminal also includes a control chip which is electrically connected to the first radio frequency integrated circuit 14 and the second radio frequency integrated circuit 17 respectively;
  • the control chip controls the second radio frequency integrated circuit 17 to transmit and receive data through the second antenna array 15;
  • the control chip controls the first radio frequency integrated circuit 14 to transmit and receive data through the first antenna array 12.
  • control chip may be set on the main board and used to control the working state of the first radio frequency integrated circuit 14 and the second radio frequency integrated circuit 17.
  • control chip can also be electrically connected to the touch detection chip 133, and the touch state of the first area 111 and the second area 112 is determined according to the touch position of the user detected by the touch detection chip 133, thereby controlling the first radio frequency integrated circuit 14 and The working state of the second radio frequency integrated circuit 17.
  • the second antenna array 15 is used to transmit and receive data; when the user touches the second area 112, the first antenna array 12 is used to transmit and receive data; in this way, the quality of mobile terminal wireless communication is improved.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Telephone Set Structure (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

本公开提供一种显示模组及移动终端，该显示模组包括屏幕盖板、第一天线阵列、第一柔性电路板和第一射频集成电路；其中，第一天线阵列设置在屏幕盖板的第一区域内；第一射频集成电路设置在第一柔性电路板上，且通过第一柔性电路板与第一天线阵列电连接。

Description

显示模组及移动终端
相关申请的交叉引用
本申请主张在2019年6月26日在中国提交的中国专利申请号No.201910562658.4的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信设备技术领域，尤其涉及一种显示模组及移动终端。
背景技术
随着无线通信技术日新月异的发展，特别是随着5G的即将商用，无线通信系统的应用场景越来越丰富，从而对无线通信系统关键部件之一的天线的要求越来越高。一方面，在一些应用场景中，天线需要具有共形性，隐蔽性，安全性以便集成汽车、智能穿戴和智能家居等无线产品上，另一方面，随着无线通信系统的传输速率越来越高，通信容量越来越大，以致于载波频率越来越高，而载波频率越来越高带来的路径损耗越来越大，以致于需要阵列天线提高增益克服路径损耗的影响，而为了高增益同时又能波束扫描或者波束赋形(beamforming)，需要采用相控阵列天线(phased antenna array)技术，从而需要在有限的空间内集成越来越多的天线，从而需要在传统的天线设计方式基础上，开辟其它的天线空间。特别是随着5G及手机(或其它无线通信产品)全面屏的兴起，天线数量越来越多，而追求极致全面屏的效果，导致天线的空间被不断的压缩。
而目前主流毫米波的天线设计方案主要是采用天线封装(Antenna in package，AIP)的技术与工艺，即把毫米波的阵列天线、射频集成电路(Radio Frquency Intergarted Circuit，RFIC)以及电源管理集成模块(Power Management Intergarted Circuit，PMIC)集成在一个模块内。在实际应用中，便将此模块置入手机内部，故会占据了目前其他天线的空间，导致天线性能的下降。
发明内容
本公开实施例提供一种显示模组及移动终端，以解决天线阵列占据了目前其他天线的空间，导致天线性能下降的问题。
第一方面，本公开实施例提供了一种显示模组，应用于移动终端，该显示模组包括屏幕盖板、第一天线阵列、第一柔性电路板和第一射频集成电路；其中，
所述第一天线阵列设置在所述屏幕盖板的第一区域内；
所述第一射频集成电路设置在所述第一柔性电路板上，且通过所述第一柔性电路板与所述第一天线阵列电连接。
第二方面，本公开实施例还提供了一种移动终端，该移动终端包括显示模组以及承载所述显示模组的承载件；该显示模组包括屏幕盖板、第一天线阵列、第一柔性电路板和第一射频集成电路；其中，
所述第一天线阵列设置在所述屏幕盖板的第一区域内；
所述第一射频集成电路设置在所述第一柔性电路板上，且通过所述第一柔性电路板与所述第一天线阵列电连接。
本公开实施例通过在屏幕盖板的第一区域设置第一天线阵列，通过第一天线阵列对屏幕上方的区域进行波束扫描或者波束赋形。本公开实施例设计的天线阵列无需占用设置在移动终端后盖的其他天线的空间，从而提高了天线的性能。此外，通过在屏幕的玻璃基材上设计天线阵列，复用了屏幕盖板的介质基板，由于玻璃基板的介电常数较高，可以进一步缩小天线的尺寸。
附图说明
图1是本公开实施例提供的显示模组的结构图之一；
图2是图1中A的放大结构示意图；
图3本公开实施例提供的显示模组的结构图之二；
图4是图3中B的放大结构示意图；
图5本公开实施例提供的移动终端的结构图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行 清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获取的所有其他实施例，都属于本公开保护的范围。
除非另作定义，本公开中使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也相应地改变。
参照图1和图2，本公开实施例提供了一种显示模组，应用于移动终端，包括屏幕盖板11、第一天线阵列12、第一柔性电路板13和第一射频集成电路14；其中，
所述第一天线阵列12设置在所述屏幕盖板11的第一区域111内；
所述第一射频集成电路14设置在所述第一柔性电路板13上，且通过所述第一柔性电路板13与所述第一天线阵列12电连接。
通常的，上述屏幕盖板通常为玻璃盖板，当然在实际应用中还可以采用其他透明的非金属材料制成。上述第一区域为没有任何金属成分，仅有玻璃介质或者塑胶介质的区域，例如，在移动终端中，通常称之为净空区域。具体的，上述第一区域111的位置可以根据实际需要进行设置，可以设置在屏幕盖板11的上端或者下端，该屏幕盖板11的上端和下端是相对于移动终端的整体结构而言，通常的，在移动终端的上端设置有前置摄像头，在移动终端的下端设置有麦克风。如图1所示，在本公开实施例中，上述第一区域111位于屏幕盖板11的下端。
该第一区域的宽度可以根据实际需要进行设置，例如，在本实施例中，上述第一天线阵列12可以设置在宽度为1mm以内的区域内。
应理解，上述第一天线阵列12接收和发送波束的频率可以根据实际需要进行设置，例如，在本公开实施例中，该第一天线阵列12接收和发送的频率 可以为60G。需要说明的是，根据波长，上述第一天线阵列可以称之为毫米波天线阵列。
本公开实施例中，第一柔性电路板13上可以设置连接点，将第一柔性电路板13与屏幕盖板11贴合后，基于该连接点可以实现第一柔性电路板13与屏幕盖板11上导电线的电连接关系，同时可以实现第一柔性电路板13与第一天线阵列12的电连接。在第一柔性电路板13上，设置导电线路，第一射频集成电路14可以通过导电线路、连接点与第一天线阵列12电连接。此外，为了提高连接的稳定性，还可以设置第一柔性电路板13通过连接点与屏幕盖板11焊接固定。
本公开实施例通过在屏幕盖板11的第一区域111设置第一天线阵列12，通过第一天线阵列12对屏幕上方的区域进行波束扫描或者波束赋形。本公开实施例设计的天线阵列无需占用设置在移动终端后盖的其他天线的空间，从而提高了天线的性能。此外，通过在屏幕的玻璃基材上设计天线阵列，复用了屏幕盖板的介质基板，由于玻璃基板的介电常数较高，可以进一步缩小天线的尺寸。
上述移动终端可以包括：手机、平板电脑、电子书阅读器、MP3播放器、MP4播放器、数码相机、膝上型便携计算机、车载电脑、台式计算机、机顶盒、智能电视机、可穿戴设备中的至少一项。
进一步的，上述第一柔性电路板13上设有第一连接器131，所述第一射频集成电路14通过所述第一连接器131与所述移动终端的主板电连接。
本公开实施例中，上述第一连接器131可以为板对板(Board to Board，BTB)连接器。由于采用第一连接器131实现第一柔性电路板13与主板之间的电连接，从而可以保证第一柔性电路板13和主板之间的独立性，同时可以方便拆装。
进一步的，基于上述实施例，本公开实施例中，上述第一柔性电路板13上还设有屏幕驱动芯片132和触控检测芯片133，所述屏幕驱动芯片132和触控检测芯片133通过所述第一连接器131与所述主板连接。
上述屏幕驱动芯片132可以为显示屏的驱动芯片，用于驱动显示屏显示，上述触控检测芯片133与屏幕盖板11电连接，用于检测屏幕盖板11被触摸 的信息。由于在本公开实施例中，将屏幕驱动芯片132和触控检测芯片133设置在第一柔性电路板13上，并与第一射频集成电路14共用第一连接器131实现与主板之间的连接，因此可以有效节省空间，有利于移动终端的小型化设计。
具体的，上述第一天线阵列12的结构可以根据实际需要进行设置，如图2所示，在本公开实施例中，上述第一天线阵列12包括至少两个第一偶极子天线单元121，所述第一偶极子天线单元121包括并行设置的两个第一偶极子天线1211。
在本公开实施例中，上述第一偶极子天线单元121可以设置四个，其中每一个第一偶极子天线单元121均包括两个第一偶极子天线1211。其中，第一偶极子天线单元121内的两个第一偶极子天线1211在第一偶极子天线1211的长度方向上间隔设置，两个第一偶极子天线1211的形状和大小可以一致，具体的，第一偶极子天线1211的长度可以设置为0.55mm，宽度可以设置为0.2mm，两个第一偶极子天线1211的间距可以为0.1mm。
可选的，所述屏幕盖板11上对应每一所述第一偶极子天线单元1211设有第一链接(bonding)区(图中未示出)和第一馈线1212，所述第一馈线1212的一端与对应的第一偶极子天线单元1211电连接，另一端与对应的第一链接区电连接，所述第一链接区与所述第一柔性电路板13电连接。
在本公开实施例中，第一柔性电路板13的连接点可以与第一链接区通过热连接的工艺实现电连接，具体连接方式可以参照相关技术，在此不做进一步的限定。如图2所示，第一馈线1212由两个第一偶极子天线1211的相对的两个臂的末端(也就是相对端)引出，延伸到屏幕盖板11的第一链接区。可选的，上述第一偶极子天线单元121的两个第一偶极子天线1211可以采用采用差分馈电，即从第一射频集成电路14的pin脚出来的信号幅值相等，相位相差180°。因为采用差分馈电的方式，要求第一偶极子天线单元121的两条第一馈线1212的长度尽量相同，如有差异，可以对第一射频集成电路14的输出信号的相位进行补偿。
进一步的，如图3和图4所示，显示模组还包括第二天线阵列15、第二柔性电路板16和第二射频集成电路17，其中，
所述第二天线阵列15设置在所述屏幕盖板11的第二区域112内，所述第二区域112与所述第一区域111位于所述屏幕盖板11的两相对端；
所述第二射频集成电路17设置在所述第二柔性电路板16上，且通过所述第二柔性电路板16与所述第二天线阵列15电连接。
在本公开实施例中，上述第二区域112位于屏幕盖板11的上端，该第二区域的结构与第一区域111一致，只是位置不同。该第二天线阵列15的结构可以与第一天线阵列12的结构一致。例如，该第二天线阵列15包括至少两个第二偶极子天线单元151，所述第二偶极子天线单元151包括并行设置的两个第二偶极子天线1511。第二偶极子天线单元151内的两个第二偶极子天线1511在第二偶极子天线1511的长度方向上间隔设置，两个第二偶极子天线1511的形状和大小可以一致，具体的，第二偶极子天线1511的长度可以设置为0.55mm，宽度可以设置为0.2mm，两个第二偶极子天线1511的间距可以为0.1mm。
需要说明的是，根据第二天线阵列发送和接收的波束的波长，该第二天线阵列可以称之为毫米波天线阵列。
由于在本公开实施例中，设置了第二天线阵列15，可以提升天线的空间覆盖范围。此外，可以切换使用第一天线阵列12和第二天线阵列15，例如当用户触摸第一区域111时，可以通过第二天线阵列15进行数据收发；当用户触摸第二区域112时，可以通过第一天线阵列12进行数据收发；这样，提升了无线通信的质量。
可选的，所述屏幕盖板11上对应每一所述第二偶极子天线单元1511设有第二链接区(图中未示出)和第二馈线1512，所述第二馈线1512的一端与对应的第二偶极子天线单元1511电连接，另一端与对应的第二链接区电连接，所述第二链接区与所述第二柔性电路板16电连接。
在本公开实施例中，第二柔性电路板16的连接点可以与第二链接区通过热连接的工艺实现电连接，具体连接方式可以参照相关技术，在此不做进一步的限定。如图4所示，第二馈线1512由两个第一偶极子天线1211的相对的两个臂的末端(也就是相对端)引出，延伸到屏幕盖板11的第二链接区。可选的，上述第二偶极子天线单元151的两个第二偶极子天线1511可以采用 采用差分馈电，即从第二射频集成电路17的pin脚出来的信号幅值相等，相位相差180°。因为采用差分馈电的方式，要求第二偶极子天线单元151的两条第二馈线1512的长度尽量相同，如有差异，可以对第二射频集成电路17的输出信号的相位进行补偿。
进一步的，上述第二柔性电路板16上设有第二连接器161，所述第二射频集成电路17通过所述第二连接器161与所述移动终端的主板电连接。
本公开实施例中，上述第二连接器161可以为板对板(Board to Board，BTB)连接器。由于采用第二连接器161实现第二柔性电路板16与主板之间的电连接，从而可以保证第二柔性电路板16和主板之间的独立性，同时可以方便拆装。
进一步的，如图1至图5所示，本公开实施例还提供了一种移动终端，该移动终端包括显示模组以及承载显示模组的承载件18。该承载件18可以为前壳或者中框，上述显示模组为上述实施例中的显示模组，该显示模组的结构可以参照上述实施例的描述，在此不再赘述。由于采用了上述实施例中的显示模组，因此，本实施例提供的移动终端具有上述实施例中显示模组的全部有益效果。
进一步的，所述承载件18为金属承载件，所述金属承载件用作所述显示模组的天线阵列的反射器。
本公开实施例中，上述金属承载件和天线阵列在移动终端的厚度方向上可以具有一定的间距。
该间距可以理解为第一天线阵列12中每一第一偶极子天线单元121在移动终端的厚度方向到承载件18的垂直距离，以及第二天线阵列15中每一第二偶极子天线单元151在移动终端的厚度方向到承载件18的垂直距离，该间距的大小可以根据实际需要进行设置。
上述承载件18可以是在厚度方向上对应第一天线阵列12和第二天线阵列15的位置采用金属材料制成，也可以是整体采用金属材料制成，在此不做进一步的限定。由于承载件18为金属承载件，因此，可以充当天线阵列的反射器，可以使得天线阵列的最大辐射方向朝向屏幕那一面，从而提高了第一天线阵列12和第二天线阵列15的增益，提升无线通信的质量。
由于上述间距的大小不同，对天线单元的S参数的影响不同，在本实施例中，设置每一第一偶极子天线单元121到承载件18的垂直距离均为0.37mm，每一第二偶极子天线单元151到承载件18的垂直距离均为0.37mm，这样，针对60G频率的波束可以最大程度的提升通信质量。
进一步的，基于上述实施例，本实施例中，在所述显示模组包括第一天线阵列12、第一射频集成电路14、第二天线阵列15和第二射频集成电路17的情况下，
所述移动终端还包括控制芯片，所述控制芯片分别与所述第一射频集成电路14和所述第二射频集成电路17电连接；
其中，在第一区域111被触摸时，所述控制芯片控制所述第二射频集成电路17通过所述第二天线阵列15进行数据收发；
在第二区域112被触摸时，所述控制芯片控制所述第一射频集成电路14通过所述第一天线阵列12进行数据收发。
本公开实施例中，上述控制芯片可以设置在主板上，用于控制第一射频集成电路14和第二射频集成电路17的工作状态。且控制芯片还可以与触控检测芯片133电连接，根据触控检测芯片133检测到用户的触控位置确定第一区域111和第二区域112的触摸状态，进而控制第一射频集成电路14和第二射频集成电路17的工作状态。
由于当用户触摸第一区域111时，通过第二天线阵列15进行数据收发；当用户触摸第二区域112时，通过第一天线阵列12进行数据收发；这样，提升了移动终端无线通信的质量。
以上，仅为本公开的具体实施方式，但本公开的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以权利要求的保护范围为准。

Claims (14)

  1. 一种显示模组，应用于移动终端，包括屏幕盖板、第一天线阵列、第一柔性电路板和第一射频集成电路；其中，
    所述第一天线阵列设置在所述屏幕盖板的第一区域内；
    所述第一射频集成电路设置在所述第一柔性电路板上，且通过所述第一柔性电路板与所述第一天线阵列电连接。
  2. 根据权利要求1所述的显示模组，其中，所述第一柔性电路板上设有第一连接器，所述第一射频集成电路通过所述第一连接器与所述移动终端的主板电连接。
  3. 根据权利要求2所述的显示模组，其中，所述第一柔性电路板上还设有屏幕驱动芯片和触控检测芯片，所述屏幕驱动芯片和触控检测芯片通过所述第一连接器与所述主板连接。
  4. 根据权利要求1所述的显示模组，其中，所述第一天线阵列包括至少两个第一偶极子天线单元，所述第一偶极子天线单元包括并行设置的两个第一偶极子天线。
  5. 根据权利要求4所述的显示模组，其中，所述屏幕盖板上对应每一所述第一偶极子天线单元设有第一链接区和第一馈线，所述第一馈线的一端与对应的第一偶极子天线单元电连接，另一端与对应的第一链接区电连接，所述第一链接区与所述第一柔性电路板电连接。
  6. 根据权利要求1至5中任一项所述的显示模组，其中，所述显示模组还包括第二天线阵列、第二柔性电路板和第二射频集成电路，其中，
    所述第二天线阵列设置在所述屏幕盖板的第二区域内，所述第二区域与所述第一区域位于所述屏幕盖板的两相对端；
    所述第二射频集成电路设置在所述第二柔性电路板上，且通过所述第二柔性电路板与所述第二天线阵列电连接。
  7. 根据权利要求6所述的显示模组，其中，所述第二柔性电路板上设有第二连接器，所述第二射频集成电路通过所述第二连接器与所述移动终端的主板电连接。
  8. 根据权利要求6所述的显示模组，其中，所述第二天线阵列包括至少两个第二偶极子天线单元，所述第二偶极子天线单元包括并行设置的两个第二偶极子天线。
  9. 根据权利要求8所述的显示模组，其中，所述屏幕盖板上对应每一所述第二偶极子天线单元设有第二链接区和第二馈线，所述第二馈线的一端与对应的第二偶极子天线单元电连接，另一端与对应的第二链接区电连接，所述第二链接区与所述第二柔性电路板电连接。
  10. 根据权利要求6所述的显示模组，其中，所述第二天线阵列为毫米波天线阵列。
  11. 根据权利要求1所述的显示模组，其中，所述第一天线阵列为毫米波天线阵列。
  12. 一种移动终端，包括如权利要求1至9中任一项所述的显示模组以及承载所述显示模组的承载件。
  13. 根据权利要求12所述的移动终端，其中，所述承载件为金属承载件，所述金属承载件用作所述显示模组的天线阵列的反射器。
  14. 根据权利要求12所述的移动终端，其中，在所述显示模组包括第一天线阵列、第一射频集成电路、第二天线阵列和第二射频集成电路的情况下，
    所述移动终端还包括控制芯片，所述控制芯片分别与所述第一射频集成电路和所述第二射频集成电路电连接；
    其中，在第一区域被触摸时，所述控制芯片控制所述第二射频集成电路通过所述第二天线阵列进行数据收发；
    在第二区域被触摸时，所述控制芯片控制所述第一射频集成电路通过所述第一天线阵列进行数据收发。
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