WO2021000145A1 - 移动终端及其玻璃外壳、天线模组的性能优化方法 - Google Patents

移动终端及其玻璃外壳、天线模组的性能优化方法 Download PDF

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Publication number
WO2021000145A1
WO2021000145A1 PCT/CN2019/094045 CN2019094045W WO2021000145A1 WO 2021000145 A1 WO2021000145 A1 WO 2021000145A1 CN 2019094045 W CN2019094045 W CN 2019094045W WO 2021000145 A1 WO2021000145 A1 WO 2021000145A1
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WO
WIPO (PCT)
Prior art keywords
glass
antenna module
radiation area
radiation
mobile terminal
Prior art date
Application number
PCT/CN2019/094045
Other languages
English (en)
French (fr)
Inventor
武景
王超
庄智强
华科
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声精密制造科技(常州)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 瑞声声学科技(深圳)有限公司, 瑞声精密制造科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/094045 priority Critical patent/WO2021000145A1/zh
Priority to CN201910605906.9A priority patent/CN110381184A/zh
Priority to US16/990,952 priority patent/US11316278B2/en
Publication of WO2021000145A1 publication Critical patent/WO2021000145A1/zh

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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
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/421—Means for correcting aberrations introduced by a radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
    • 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
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate

Definitions

  • the invention relates to the field of communication, and in particular to a performance optimization method of a mobile terminal and its glass casing and antenna module.
  • 5G has become the consensus of the industry to develop 5G technology and formulate 5G standards.
  • International Telecommunication Union ITU in 2015 Held in June At the 22nd meeting of ITU-RWP5D, three main application scenarios of 5G were clarified: enhanced mobile broadband, large-scale machine communication, and high-reliability and low-latency communication. These three application scenarios respectively correspond to different key indicators. Among them, the peak user speed in the enhanced mobile bandwidth scenario is 20Gbps, and the minimum user experience rate is 100Mbps.
  • 3GPP is standardizing 5G technology.
  • the first 5G non-independent networking (NSA) international standard was formally completed and frozen in December 2017, and the 5G independent networking standard was completed on June 14, 2018.
  • NSA 5G non-independent networking
  • the rich bandwidth resources of the millimeter wave frequency band provide a guarantee for high-speed transmission rates.
  • wireless communication systems using the millimeter wave frequency band need to adopt a phased array architecture.
  • Antenna is an indispensable component in the RF front-end system. While the RF circuit is developing towards integration and miniaturization, the system integration and packaging of the antenna and the RF front-end circuit has become an inevitable trend in the future development of the RF front-end.
  • the packaged antenna (AiP) technology integrates the antenna into the package that carries the chip through packaging materials and processes, which takes into account the performance, cost and volume of the antenna, and is favored by the majority of chip and package manufacturers.
  • Qualcomm, Intel, IBM and other companies have adopted package antenna technology. Undoubtedly, AiP technology will also provide a good antenna solution for 5G millimeter wave mobile communication systems.
  • n257 (26.5GHz-29.5GHz), n258 (24.25-27.5GHz), n260 (37-40GHZ), n261 (27.5-28.35GHZ) several standard operating frequency bands.
  • the glass housing has a certain impact on the radiation performance of the antenna module.
  • the object of the present invention is to provide a performance optimization method for a mobile terminal, its glass casing, and an antenna module to improve the radiation performance of the antenna module.
  • a glass housing of a mobile terminal the mobile terminal is provided with an antenna module, and the glass housing includes a radiation area facing the antenna module and a non-radiation area adjacent to the radiation area.
  • the glass shape of the zone is discontinuous with the glass shape of the non-radiation zone.
  • At least one surface of the glass in the radiation zone and the glass in the non-radiation zone has a discontinuity.
  • the glass of the radiation zone and the glass of the non-radiation zone have outer surfaces with continuous shapes, and the inner surface of the radiation zone is recessed toward the outer surface compared to the inner surface of the non-radiation zone.
  • the glass of the radiation zone and the glass of the non-radiation zone have inner surfaces with continuous shapes, and the outer surface of the radiation zone is recessed in the direction of the inner surface compared to the outer surface of the non-radiation zone.
  • the glass of the radiation zone is in the shape of a lens.
  • the radiation area is located on the side of the glass enclosure or the bottom of the glass enclosure, and the bottom of the glass enclosure is opposite to the display screen of the mobile terminal.
  • the present invention also provides a mobile terminal, including an antenna module and the above-mentioned glass casing, the glass casing being covered outside the antenna module.
  • the antenna module is directly facing the side of the glass casing or the bottom of the glass casing, and the bottom of the glass casing is opposite to the display screen of the mobile terminal.
  • the present invention also provides a performance optimization method of the antenna module, which includes:
  • the performance of the antenna module is optimized.
  • the beneficial effect of the present invention is to optimize the performance of the antenna module by making the glass shape of the radiation area facing the antenna module and the non-radiation area adjacent to the radiation area discontinuous on the glass shell.
  • FIG. 1 is a schematic diagram of a first glass housing provided by an embodiment of the present invention
  • FIG 2 is an enlarged view of the glass enclosure A shown in Figure 1;
  • Figure 3 is a schematic diagram of a second type of glass enclosure provided by an embodiment of the present invention.
  • Figure 4 is an enlarged view of the glass enclosure B shown in Figure 3;
  • FIG. 5 is a schematic diagram of a third glass housing provided by an embodiment of the present invention.
  • Figure 6 is an enlarged view of the glass enclosure C shown in Figure 5;
  • Figure 7 is a partial cross-sectional view of a fourth type of glass enclosure provided by an embodiment of the present invention.
  • Figure 8 is a partial cross-sectional view of a fifth type of glass housing provided by an embodiment of the present invention.
  • FIG. 9 is a flowchart of a performance optimization method of an antenna module provided by an embodiment of the present invention.
  • Figure 10 is a gain curve diagram with a cumulative distribution function of 50% under a single module on the side of the glass enclosure
  • Figure 11 is a gain curve diagram with a cumulative distribution function of 50% under dual modules on the sides of the glass enclosure
  • Figure 12 is a gain curve diagram with a cumulative distribution function of 50% under a single module at the bottom of the glass enclosure
  • Figure 13 is a gain curve diagram with a cumulative distribution function of 50% under the dual modules at the bottom of the glass enclosure
  • Fig. 14 is a graph of S parameter of the antenna module corresponding to the thinning of the bottom of the glass casing.
  • an element when an element is referred to as being “fixed on” or “disposed on” another element, the element may be directly on the other element or there may be a centering element at the same time.
  • an element When an element is referred to as being “connected” to another element, it can be directly connected to the other element or an intermediate element may also exist.
  • the glass housing 1 of the mobile terminal provided by the embodiment of the present invention is applied to the mobile terminal.
  • the mobile terminal is provided with an antenna module 2.
  • the glass housing 1 includes a radiation area 11 facing the antenna module 2 and In the non-radiation area 12 adjacent to the radiation area 11, the glass shape of the radiation area 11 and the glass shape of the non-radiation area 12 are discontinuous.
  • discontinuity means that the curvature of the surface of the glass enclosure 1 changes when extending from the non-radiation area 12 to the radiation area 11, so that the glass shape of the radiation area 11 is different from the glass shape of the non-radiation area 12, for example, in the initial In the state, the thickness of the radiation area 11 and the non-radiation area 12 are the same, and the radiation area 11 is processed to make the radiation area 11 thinner or have a lens structure.
  • the radiation area 11 is located on the side of the glass housing 1 or the bottom of the glass housing 1, and the bottom of the glass housing 1 is opposite to the display screen of the mobile terminal.
  • the glass of the radiation zone 11 and the glass of the non-radiation zone 12 have discontinuities in the shape of at least one surface.
  • the shape of the inner surface of the glass of the radiation zone 11 and the glass of the non-radiation zone 12 has discontinuity or the shape of the outer surface of the glass of the radiation zone 11 and the glass of the non-radiation zone 12 has a discontinuity.
  • the glass of the radiation zone 11 and the glass of the non-radiation zone 12 have continuous outer surfaces, and the inner surface of the radiation zone 11 is concave toward the outer surface compared to the inner surface of the non-radiation zone 12.
  • the radiation area 11 is located on the side of the glass enclosure 1.
  • the glass enclosure 1 with the same side thickness is processed, and the radiation area 11 is thinned from the inside of the side of the glass enclosure 1 to make the radiation area 11 Compared with the inner surface of the non-radiation zone 12, the inner surface is recessed toward the outer surface.
  • the radiation area 11 is located at the bottom of the glass enclosure 1.
  • the glass enclosure 1 with the same bottom thickness is processed, and the radiation area 11 is thinned from the inside of the bottom of the glass enclosure 1 to make the inner surface of the radiation area 11. Compared with the inner surface of the non-radiation area 12, the inner surface is recessed toward the outer surface.
  • the glass of the radiation zone 11 and the glass of the non-radiation zone 12 have continuous inner surfaces, and the outer surface of the radiation zone 11 is recessed toward the inner surface compared to the outer surface of the non-radiation zone 12.
  • the radiation area 11 is located on the side of the glass enclosure 1.
  • the glass enclosure 1 with the same side thickness is processed, and the radiation area 11 is thinned from the outside of the side of the glass enclosure 1 to make the radiation area 11
  • the outer surface of the non-radiation zone 12 is recessed toward the inner surface compared to the outer surface of the non-radiation zone 12.
  • the radiation area 11 is located at the bottom of the glass enclosure 1, the glass enclosure 1 with the same bottom thickness is processed, and the radiation area 11 is thinned from the outside of the bottom of the glass enclosure 1, so that the outer surface of the radiation area 11 is compared
  • the outer surface of the radiation area 12 is recessed toward the inner surface.
  • the glass of the radiation area 11 has a lens shape. As shown in Fig. 7, the radiation area 11 is located on the side of the glass housing 1, and the glass of the radiation area 11 is a convex lens. As shown in Fig. 8, the radiation area 11 is located on the side of the glass housing 1, and the glass of the radiation area 11 is a concave lens. Similarly, when the radiation area 11 is located at the bottom of the glass enclosure 1, the radiation area 11 can also be a convex lens or a concave lens.
  • the radiation zone 11 and the non-radiation zone 12 at the bottom of the glass enclosure 1 can be designed as discontinuous shapes, or the radiation zone 11 and the non-radiation zone 12 on the side of the glass enclosure 1 can be designed as discontinuous shapes.
  • the shape, the radiation area 11 and the non-radiation area 12 at the bottom and top of the glass enclosure 1 can also be designed as discontinuous shapes, which are not limited here.
  • the present invention also provides a mobile terminal, which includes an antenna module 2 and the glass housing 1 of any of the above embodiments, and the glass housing 1 is arranged outside the antenna module 2.
  • the antenna module 2 is directly facing the side of the glass housing 1 or the bottom of the glass housing 1, and the bottom of the glass housing 1 is opposite to the display screen of the mobile terminal.
  • the performance optimization method of the antenna module includes:
  • Step S101 Provide a glass casing to cover the antenna module.
  • the side thickness of the glass shell is the same, and the bottom thickness is the same.
  • Step S102 Optimize the performance of the antenna module by changing the shape of the area where the glass housing faces the antenna module.
  • the glass enclosure includes the radiation area facing the antenna module and the non-radiation area adjacent to the radiation area.
  • the glass enclosures of different shapes are constructed through simulation software.
  • the shape of the radiation area of each shape of the glass enclosure is different.
  • the radiation performance of the antenna module corresponding to the glass shell of different shapes, the glass shell shape with the best radiation performance of the antenna module is taken as the optimized structure, and the glass shell is processed according to the optimized structure. For example, reduce the thickness of the radiation area from the outside of the glass enclosure, reduce the thickness of the radiation area from the inside of the glass enclosure, or process the radiation area into a lens shape.
  • Fig. 10 is a gain curve graph with a cumulative distribution function of 50% under a single module on the side of the glass enclosure
  • Fig. 11 is a gain curve graph of a cumulative distribution function of 50% under a dual module on the side of the glass enclosure.
  • the case of dual modules is shown in Figure 5.
  • the single module is one side of the glass shell.
  • the single module can improve the 50% coverage by about 2dB by reducing the radiation area of the glass shell, and the 50% coverage performance of the dual module can be improved by about 2dB.
  • Fig. 12 is a gain curve diagram with a cumulative distribution function of 50% under a single module at the bottom of the glass enclosure
  • Fig. 13 is a gain curve diagram with a cumulative distribution function of 50% under a dual module at the bottom of the glass enclosure.
  • the case of dual modules is shown in Figure 3.
  • the single module has only the bottom of the glass shell.
  • the single module can improve 50% coverage by about 0.5dB by reducing the radiation area of the glass shell, and the 50% coverage performance of the dual module can be improved by 0.5dB- About 1dB.
  • FIG. 14 is a graph of the S parameter of the antenna module corresponding to the thinning of the bottom of the glass shell. It can be seen that by optimizing the structure of the bottom of the glass shell, the standing wave of the antenna module can be improved.
  • the performance optimization method of the mobile terminal, its glass casing, and antenna module provided by the embodiment of the present invention is achieved by discontinuing the glass shape of the radiation area facing the antenna module and the non-radiation area adjacent to the radiation area on the glass casing Performance, thereby optimizing the performance of the antenna module.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

本发明提供了一种移动终端及其玻璃外壳、天线模组的性能优化方法，移动终端内设有天线模组，玻璃外壳包括正对天线模组的辐射区和与辐射区相邻的非辐射区，辐射区的玻璃形状与非辐射区的玻璃形状具有不连续性。本发明提供的移动终端的玻璃外壳，可以优化天线模组的性能。

Description

移动终端及其玻璃外壳、天线模组的性能优化方法 技术领域
本发明涉及通讯领域，尤其涉及移动终端及其玻璃外壳、天线模组的性能优化方法。
 背景技术
5G作为全球业界的研发焦点，发展5G技术制定5G标准已经成为业界共识。国际电信联盟 ITU 在 2015 年 6 月召开的 ITU-RWP5D 第 22 次会议上明确了 5G 的三个主要应用场景：增强型移动宽带、大规模机器通信、高可靠低延时通信。这3个应用场景分别对应着不同的关键指标，其中增强型移动带宽场景下用户峰值速度为20Gbps，最低用户体验速率为100Mbps。
3GPP正在对5G技术进行标准化工作，第一个5G非独立组网(NSA)国际标准于2017年12月正式完成并冻结，2018年6月14日完成5G独立组网标准。
毫米波频段丰富的带宽资源为高速传输速率提供了保障，但是由于该频段电磁波剧烈的空间损耗，利用毫米波频段的无线通信系统需要采用相控阵的架构。
天线作为射频前端系统中不可缺少的部件，在射频电路向着集成化、小型化方向发展的同时，将天线与射频前端电路进行系统集成和封装成为未来射频前端发展的必然趋势。封装天线（AiP）技术是通过封装材料与工艺将天线集成在携带芯片的封装内，很好地兼顾了天线性能、成本及体积，深受广大芯片及封装制造商的青睐。目前高通，Intel，IBM等公司都采用了封装天线技术。毋庸置疑，AiP技术也将为5G毫米波移动通信系统提供很好的天线解决方案。
针对5G毫米波频段，3GPP提出了n257（26.5GHz-29.5GHz）, n258（24.25-27.5GHz）, n260（37-40GHZ） , n261（27.5-28.35GHZ）几个标准工作频段。当毫米波天线模组安装于3D玻璃外壳内时，玻璃外壳对天线模组的辐射性能产生一定的影响。
因此，有必要提供一种改善天线模组辐射性能的玻璃外壳。
 技术问题
本发明的目的在于提供一种移动终端及其玻璃外壳、天线模组的性能优化方法，以改善天线模组的辐射性能。
 技术解决方案
本发明的技术方案如下：
一种移动终端的玻璃外壳，所述移动终端内设有天线模组，所述玻璃外壳包括正对所述天线模组的辐射区和与所述辐射区相邻的非辐射区，所述辐射区的玻璃形状与所述非辐射区的玻璃形状具有不连续性。
进一步地，所述辐射区的玻璃和所述非辐射区的玻璃至少有一侧表面的形状具有不连续性。
进一步地，所述辐射区的玻璃和所述非辐射区的玻璃具有形状连续的外表面，所述辐射区的内表面相比于所述非辐射区的内表面向所述外表面方向凹陷。
进一步地，所述辐射区的玻璃和所述非辐射区的玻璃具有形状连续的内表面，所述辐射区的外表面相比于所述非辐射区的外表面向所述内表面方向凹陷。
进一步地，所述辐射区的玻璃呈透镜形状。
进一步地，所述辐射区位于所述玻璃外壳的侧边或所述玻璃外壳的底部，所述玻璃外壳的底部与所述移动终端的显示屏相对。
本发明还提供一种移动终端，包括天线模组和上述的玻璃外壳，所述玻璃外壳罩设于所述天线模组外。
进一步地，所述天线模组正对所述玻璃外壳的侧边或所述玻璃外壳的底部，所述玻璃外壳的底部与所述移动终端的显示屏相对。
本发明还提供一种天线模组的性能优化方法，包括：
提供一玻璃外壳，罩设于所述天线模组外；
通过改变所述玻璃外壳正对所述天线模组的区域的形状，优化所述天线模组的性能。
 有益效果
本发明的有益效果在于：通过使玻璃外壳上正对天线模组的辐射区和与辐射区相邻的非辐射区的玻璃形状具有不连续性，从而优化天线模组的性能。
 附图说明
图1为本发明实施例提供的第一种玻璃外壳的示意图；
图2为图1所示玻璃外壳A处的放大图；
图3为本发明实施例提供的第二种玻璃外壳的示意图；
图4为图3所示玻璃外壳B处的放大图；
图5为本发明实施例提供的第三种玻璃外壳的示意图；
图6为图5所示玻璃外壳C处的放大图；
图7为本发明实施例提供的第四种玻璃外壳的局部截面图；
图8为本发明实施例提供的第五种玻璃外壳的局部截面图；
图9为本发明实施例提供的天线模组的性能优化方法流程图；
图10为玻璃外壳侧边单模组下，累积分布函数为50%的增益曲线图；
图11为玻璃外壳侧边双模组下，累积分布函数为50%的增益曲线图；
图12为玻璃外壳底部单模组下，累积分布函数为50%的增益曲线图；
图13为玻璃外壳底部双模组下，累积分布函数为50%的增益曲线图；
图14为玻璃外壳底部减薄对应的天线模组的S参数曲线图。
 本发明的实施方式
下面结合附图和实施方式对本发明作进一步说明。
需要说明的是，本发明实施例中所有方向性指示（诸如上、下、左、右、前、后、顶部、底部……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
如图1-2所示，本发明实施例提供的移动终端的玻璃外壳1应用于移动终端，移动终端内设有天线模组2，玻璃外壳1包括正对天线模组2的辐射区11和与辐射区11相邻的非辐射区12，辐射区11的玻璃形状与非辐射区12的玻璃形状具有不连续性。其中，不连续性是指玻璃外壳1的表面在由非辐射区12向辐射区11延伸时弯曲度发生改变，使辐射区11的玻璃形状和非辐射区12的玻璃形状不同，例如，在初始状态下，辐射区11和非辐射区12的厚度一致，对辐射区11进行加工，使辐射区11减薄或者为透镜结构。通过使辐射区11的玻璃形状与非辐射区12的玻璃形状具有不连续性，可以优化天线模组2的辐射性能。
其中，辐射区11位于玻璃外壳1的侧边或玻璃外壳1的底部，玻璃外壳1的底部与移动终端的显示屏相对。辐射区11的玻璃和非辐射区12的玻璃至少有一侧表面的形状具有不连续性。例如，辐射区11的玻璃和非辐射区12的玻璃的内表面的形状具有不连续性或者辐射区11的玻璃和非辐射区12的玻璃的外表面的形状具有不连续性。
在第一实施例中，辐射区11的玻璃和非辐射区12的玻璃具有形状连续的外表面，辐射区11的内表面相比于非辐射区12的内表面向外表面方向凹陷。如图1-2所示，辐射区11位于玻璃外壳1的侧边，对侧边厚度一致的玻璃外壳1进行加工，从玻璃外壳1的侧边的内侧减薄辐射区11，使辐射区11的内表面相比于非辐射区12的内表面向外表面方向凹陷。如图3-4所示，辐射区11位于玻璃外壳1的底部，对底部厚度一致的玻璃外壳1进行加工，从玻璃外壳1的底部的内侧减薄辐射区11，使辐射区11的内表面相比于非辐射区12的内表面向外表面方向凹陷。
在第二实施例中，辐射区11的玻璃和非辐射区12的玻璃具有形状连续的内表面，辐射区11的外表面相比于非辐射区12的外表面向内表面方向凹陷。如图5-6所示，辐射区11位于玻璃外壳1的侧边，对侧边厚度一致的玻璃外壳1进行加工，从玻璃外壳1的侧边的外侧减薄辐射区11，使辐射区11的外表面相比于非辐射区12的外表面向内表面方向凹陷。同理，当辐射区11位于玻璃外壳1的底部时，对底部厚度一致的玻璃外壳1进行加工，从玻璃外壳1的底部的外侧减薄辐射区11，使辐射区11的外表面相比于非辐射区12的外表面向内表面方向凹陷。
在第三实施例中，辐射区11的玻璃呈透镜形状。如图7所示，辐射区11位于玻璃外壳1的侧边，辐射区11的玻璃呈凸透镜，如图8所示，辐射区11位于玻璃外壳1的侧边，辐射区11的玻璃呈凹透镜。同理，当辐射区11位于玻璃外壳1的底部时 ，也可以将辐射区11设为凸透镜或者凹透镜。
需要说明的是，可以仅将玻璃外壳1的底部的辐射区11和非辐射区12设计为不连续形状，也可以将玻璃外壳1的侧边的辐射区11和非辐射区12设计为不连续形状，也可以将玻璃外壳1的底部和顶部的辐射区11和非辐射区12均设计为不连续形状，在此不做限定。
本发明还提供一种移动终端，包括天线模组2和上述任一实施例的玻璃外壳1，玻璃外壳1罩设于天线模组2外。优选地，天线模组2正对玻璃外壳1的侧边或玻璃外壳1的底部，玻璃外壳1的底部与移动终端的显示屏相对。
如图9所示，本发明实施例提供的天线模组的性能优化方法，包括：
步骤S101：提供一玻璃外壳，罩设于所述天线模组外。
其中，玻璃外壳的侧边厚度一致，底部厚度一致。
步骤S102：通过改变所述玻璃外壳正对所述天线模组的区域的形状，优化所述天线模组的性能。
具体的，玻璃外壳包括正对天线模组的辐射区和与辐射区相邻的非辐射区，通过仿真软件构建不同形状的玻璃外壳，每种形状的玻璃外壳的辐射区的形状不同，计算每种形状的玻璃外壳对应的天线模组的辐射性能，将天线模组的辐射性能最好的玻璃外壳形状作为优化结构，根据优化结构对玻璃外壳进行加工。例如，从玻璃外壳的外侧减薄辐射区的厚度，从玻璃外壳的内侧减薄辐射区的厚度，或者将辐射区加工为透镜形状。
图10为玻璃外壳侧边单模组下，累积分布函数为50%的增益曲线图，图11为玻璃外壳侧边双模组下，累积分布函数为50%的增益曲线图。其中，双模组的情况如图5所示，玻璃外壳两侧边框各有一个天线模组，两个天线模组对应的辐射区均进行减薄处理，单模组为玻璃外壳的其中一侧边框设有天线模组的情况。可以看出，相对于玻璃外壳的初始形状，单模组通过玻璃外壳辐射区减薄可以改善50%覆盖2dB左右，双模组50%覆盖性能提升2dB左右。
图12为玻璃外壳底部单模组下，累积分布函数为50%的增益曲线图，图13为玻璃外壳底部双模组下，累积分布函数为50%的增益曲线图。其中，双模组的情况如图3所示，玻璃外壳的底部设有两个天线模组，两个天线模组对应的辐射区均进行减薄处理，单模组为玻璃外壳的底部仅有一个天线模组的情况，可以看出，相对于玻璃外壳的初始形状，单模组通过玻璃外壳的辐射区减薄可以改善50%覆盖0.5dB左右，双模组50%覆盖性能提升0.5dB-1dB左右。
图14为玻璃外壳底部减薄对应的天线模组的S参数曲线图，可以看出，通过对玻璃外壳的底部的结构进行优化，可以改善天线模组的驻波。
本发明实施例提供的 移动终端及其玻璃外壳、天线模组的性能优化方法，通过使玻璃外壳上正对天线模组的辐射区和与辐射区相邻的非辐射区的玻璃形状具有不连续性，从而优化天线模组的性能。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (9)

  1. 一种移动终端的玻璃外壳，所述移动终端内设有天线模组，所述玻璃外壳包括正对所述天线模组的辐射区和与所述辐射区相邻的非辐射区，其特征在于，
    所述辐射区的玻璃形状与所述非辐射区的玻璃形状具有不连续性。
  2. 根据权利要求1所述的移动终端的玻璃外壳，其特征在于，所述辐射区的玻璃和所述非辐射区的玻璃至少有一侧表面的形状具有不连续性。
  3. 根据权利要求2所述的移动终端的玻璃外壳，其特征在于，所述辐射区的玻璃和所述非辐射区的玻璃具有形状连续的外表面，所述辐射区的的内表面相比于所述非辐射区的内表面向所述外表面方向凹陷。
  4. 根据权利要求2所述的移动终端的玻璃外壳，其特征在于，所述辐射区的玻璃和所述非辐射区的玻璃具有形状连续的内表面，所述辐射区的外表面相比于所述非辐射区的外表面向所述内表面方向凹陷。
  5. 根据权利要求2所述的移动终端的玻璃外壳，其特征在于，所述辐射区的玻璃呈透镜形状。
  6. 根据权利要求1所述的移动终端的玻璃外壳，其特征在于，所述辐射区位于所述玻璃外壳的侧边或所述玻璃外壳的底部，所述玻璃外壳的底部与所述移动终端的显示屏相对。
  7. 一种移动终端，其特征在于，包括天线模组和如权利要求1-6任一项所述的玻璃外壳，所述玻璃外壳罩设于所述天线模组外。
  8. 如权利要求7所述的移动终端，其特征在于，所述天线模组正对所述玻璃外壳的侧边或所述玻璃外壳的底部，所述玻璃外壳的底部与所述移动终端的显示屏相对。
  9. 一种天线模组的性能优化方法，其特征在于，包括：
    提供一玻璃外壳，罩设于所述天线模组外；
    通过改变所述玻璃外壳正对所述天线模组的区域的形状，优化所述天线模组的性能。
PCT/CN2019/094045 2019-06-30 2019-06-30 移动终端及其玻璃外壳、天线模组的性能优化方法 WO2021000145A1 (zh)

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