WO2019052332A1 - 显示屏组件及移动终端 - Google Patents

显示屏组件及移动终端 Download PDF

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Publication number
WO2019052332A1
WO2019052332A1 PCT/CN2018/102697 CN2018102697W WO2019052332A1 WO 2019052332 A1 WO2019052332 A1 WO 2019052332A1 CN 2018102697 W CN2018102697 W CN 2018102697W WO 2019052332 A1 WO2019052332 A1 WO 2019052332A1
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WO
WIPO (PCT)
Prior art keywords
circuit board
display screen
display
board body
fingerprint chip
Prior art date
Application number
PCT/CN2018/102697
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English (en)
French (fr)
Inventor
韦宏阳
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 EP18856783.8A priority Critical patent/EP3683650B1/en
Priority to US16/646,532 priority patent/US20200272205A1/en
Priority to ES18856783T priority patent/ES2903302T3/es
Publication of WO2019052332A1 publication Critical patent/WO2019052332A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • 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
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board 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
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H04M1/185—Improving the rigidity of the casing or resistance to shocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a display screen component and a mobile terminal.
  • the display screen with the fingerprint recognition function generally stacks the fingerprint module on the back of the display screen.
  • the fingerprint module is pasted on the back of the display screen by using foam glue or shadowless glue, and then The circuit board of the fingerprint module is connected to the circuit board of the display screen, and finally connected to the motherboard of the mobile terminal for communication.
  • the fingerprint module itself occupies a large space
  • the design space of the mobile terminal is squeezed. It can be seen that the stacking structure of the display fingerprint module in the related art has a problem of occupying a large space.
  • Embodiments of the present disclosure provide a display screen assembly including a display screen, a shock-proof layer, and a flexible circuit board, which are sequentially stacked, wherein the flexible circuit board includes a circuit board body and the display from the circuit board body toward the display a bending portion formed in the screen direction, the bending portion is electrically connected to the display screen; a first surface of the circuit board body is provided with a fingerprint chip, and the circuit board body is electrically connected to the fingerprint chip, The first surface is an end surface of the circuit board body facing the display screen, and the anti-vibration layer is provided with a through hole for accommodating the fingerprint chip corresponding to the position of the fingerprint chip.
  • An embodiment of the present disclosure further provides a mobile terminal, including a display cover and the display assembly, and the display cover is attached to the display of the display assembly.
  • FIG. 1 is a schematic structural view of a display screen assembly with a display cover attached thereto according to an embodiment of the present disclosure
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • FIG. 3 is an exploded view of a display panel assembly with a display panel attached according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic structural view of a display screen assembly with a display screen cover provided by an embodiment of the present disclosure
  • FIG. 2 is a cross-sectional view taken along line AA of FIG. 1
  • an embodiment of the present disclosure provides a display screen assembly including a display screen 10, a shock-proof layer 20, and a flexible circuit board 30, which are sequentially stacked, wherein the flexible circuit board 30 includes a circuit board body 31 and a bending portion 32 extending from the circuit board body 31 toward the display screen 10, the bending portion 32 is electrically connected to the display screen 10; the first surface of the circuit board body 31 is provided with a fingerprint chip 40, and the circuit board body 31 and the fingerprint The chip 40 is electrically connected.
  • the first surface is an end surface of the circuit board body 31 facing the display screen 10.
  • the anti-vibration layer 20 is provided with a through hole 21 for accommodating the fingerprint chip 40 corresponding to the position of the fingerprint chip 40.
  • the display module further includes a peripheral electronic component for implementing the fingerprint recognition function of the fingerprint chip 40, and the peripheral electronic component is disposed on the circuit board body 31.
  • the peripheral electronic component can be combined with the fingerprint chip 40.
  • the first surface of the circuit board body 31 is also disposed on the second surface of the circuit board body 31.
  • the second surface is the end surface of the circuit board body 31 away from the display screen 10.
  • the function of the display screen 10 is controlled.
  • the peripheral electronic components are also generally disposed on the second side of the circuit board body 31.
  • the position of the fingerprint chip 40 on the flexible circuit board 30 needs to be designed according to the requirements of the overall structure of the mobile terminal. For example, if it is required to implement the fingerprint recognition function at the center position of the display screen 10 of the mobile terminal, the fingerprint chip 40 needs to be designed corresponding to the center position of the display screen 10; if it is required to implement the fingerprint recognition function at the lower end position of the display screen 10, it is required The fingerprint chip 40 is designed corresponding to the lower end position of the display screen 10. Specifically, as shown in FIG. 1, in the present embodiment, the position of the fingerprint chip 40 in FIG. 1 is defined as the lower end of the display screen 10.
  • the fingerprint chip 40, peripheral electronic components and circuit structure for implementing the fingerprint recognition function can be designed on the flexible circuit board 30 of the display screen 10, and through surface mount technology (SMT) The punching is completed together with the flexible circuit board 30 of the display screen 10; wherein the fingerprint chip 40, the peripheral electronic components and the circuit structure are all disposed on the circuit board body 31 of the flexible circuit board 30.
  • SMT surface mount technology
  • the fingerprint chip 40 can be effectively protected, but also the current display fingerprint structure is complicated to be stacked and occupied by a large space.
  • the fingerprint chip 40 can be fixedly connected to the circuit board body 31 by means of soldering.
  • the fingerprint module and the display screen are fixed by bonding, and the connection strength is better, and It can effectively reduce the risk of the whole structure in mechanical testing and environmental testing.
  • the anti-vibration layer 20 may be made of an elastic shading material.
  • the anti-vibration layer 20 may be a foam layer having a light-shielding function.
  • the foam has the characteristics of good elasticity, light weight and reliable performance.
  • the assembly process of the display panel assembly is as follows.
  • the anti-vibration layer 20 and the circuit board body 31 may be attached to each other. Specifically, the through hole 21 of the anti-vibration layer 20 is sleeved on the circuit.
  • the fingerprint chip 40 on the board body 31 is implemented on the front side of the board body 31; and the bent portion 32 of the flexible circuit board 30 is electrically connected to the display screen 10.
  • the through hole 21 and the fingerprint chip 40 also have a positioning function to facilitate the adhesion and fixation of the anti-vibration layer 20 and the circuit board body 31; and when the through hole 21 is designed as a square through hole, the positioning of the through hole 21 and the fingerprint chip 40 Better function.
  • At least one fingerprint chip 40 may be disposed on the flexible circuit board 30 in order to better enhance the user's operating experience.
  • the fingerprint chip 40 may be disposed at the upper and lower ends of the corresponding display screen 10, or the fingerprint chip 40 may be disposed corresponding to the left and right sides of the display screen 10, or the fingerprint chip 40 may be disposed at four corners of the corresponding display screen 10.
  • the user may select to open one or at least two fingerprint chip 40 identification functions, or select one to not open, and the specific setting user may set according to his own situation, Improve the user's operating experience.
  • the embodiment of the present disclosure further relates to a mobile terminal, including a display cover 50 and the above display assembly, wherein the display cover 50 is attached to the display 10 of the display assembly. connection.
  • the mobile terminal further includes a main board and a board-to-board connector, and the flexible circuit board 30 of the display unit is electrically connected to the main board through the board-to-board connector.
  • the circuit board of the fingerprint module needs to be electrically connected to the flexible circuit board 30 of the display screen 10, and the board-to-board connector is connected to the main board through the board-to-board connector.
  • the display component is provided by integrating the fingerprint chip 40 with the fingerprint recognition function on the flexible circuit board 30 of the display screen 10, and by connecting the board-to-board connector, the connection between the flexible circuit board 30 and the main board is realized, It saves the installation space of the mobile terminal for installing the fingerprint module, and can also improve the production yield of the display component and reduce the production cost.
  • the mobile terminal can be a mobile phone, a tablet computer, an e-book reader, or the like.

Abstract

本公开提供一种显示屏组件及移动终端，该显示屏组件包括依次层叠设计的显示屏、防震层及柔性电路板，其中：所述柔性电路板包括电路板本体及自所述电路板本体朝向所述显示屏方向延伸形成的弯折部，所述弯折部与所述显示屏电连接；所述电路板本体的第一面设有指纹芯片，且所述电路板本体与所述指纹芯片电连接，所述第一面为所述电路板本体朝向所述显示屏的端面，所述防震层对应所述指纹芯片的位置设有容置所述指纹芯片的通孔。

Description

显示屏组件及移动终端
相关申请的交叉引用
本申请主张在2017年9月14日在中国提交的中国专利申请号No.201710826480.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种显示屏组件及移动终端。
背景技术
随着技术的不断发展，智能手机等移动终端的显示屏也越来越大，全屏移动终端已经成为一种发展趋势。而针对全屏移动终端，常规结构的指纹识别已不在适用，而具备指纹识别功能的显示屏成为了一种新的技术方向。
相关技术中，具备指纹识别功能的显示屏，一般是通过在显示屏的背面堆叠指纹模组，比如，将指纹模组用泡棉胶或者无影胶等方式粘贴在显示屏的背面，再将指纹模组的电路板与显示屏的电路板连接，最后再与移动终端的主板连接进行通讯。然而，由于指纹模组本身占用空间大，因此通过将指纹模组堆叠设计在显示屏背面之后，会挤压移动终端的整机设计空间。可见，相关技术中的显示屏指纹模组堆叠结构存在占用空间大的问题。
发明内容
本公开的实施例提供了一种显示屏组件，包括依次层叠设计的显示屏、防震层及柔性电路板，其中：所述柔性电路板包括电路板本体及自所述电路板本体朝向所述显示屏方向延伸形成的弯折部，所述弯折部与所述显示屏电连接；所述电路板本体的第一面设有指纹芯片，且所述电路板本体与所述指纹芯片电连接，所述第一面为所述电路板本体朝向所述显示屏的端面，所述防震层对应所述指纹芯片的位置设有容置所述指纹芯片的通孔。
本公开的实施例还提供了一种移动终端，包括显示屏盖板及上述显示屏组件，所述显示屏盖板与上述显示屏组件的显示屏贴合连接。
附图说明
图1是本公开实施例提供的贴装有显示屏盖板的显示屏组件的结构示意图；
图2是沿图1中A-A线的剖视图；
图3是本公开实施例提供的贴装有显示屏盖板的显示屏组件的爆炸示意图。
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得的所有其他实施例，都属于本公开保护的范围。
参见图1-3，图1是本公开实施例提供的贴装有显示屏盖板的显示屏组件的结构示意图；图2是沿图1中A-A线的剖视图；图3是本公开实施例提供的贴装有显示屏盖板的显示屏组件的爆炸示意图。
如图1及图2所示，本公开实施例提供一种显示屏组件，包括依次层叠设计的显示屏10、防震层20及柔性电路板30，其中：柔性电路板30包括电路板本体31及自电路板本体31朝向显示屏10方向延伸形成的弯折部32，弯折部32与显示屏10电连接；电路板本体31的第一面设有指纹芯片40，且电路板本体31与指纹芯片40电连接，所述第一面为电路板本体31朝向显示屏10的端面，防震层20对应指纹芯片40的位置设有容置指纹芯片40的通孔21。
其中，显示屏模组还包括用于实现指纹芯片40的指纹识别功能的外围电子组件，且该外围电子组件设于电路板本体31上；在本实施方式中，外围电子组件可以与指纹芯片40一起设于电路板本体31的第一面，也可以设置在电路板本体31的第二面，第二面为电路板本体31远离显示屏10的端面；而且，用于控制实现显示屏10功能的外围电子组件一般也设于电路板本体31的第二面。
需要说明的是，指纹芯片40的在柔性电路板30上的位置需要按照移动终端整机结构的要求进行设计。比如，如果需要在移动终端显示屏10的居中位置实现指纹识别功能，则需要将指纹芯片40对应显示屏10的居中位置进行设计；如果需要在显示屏10的下端位置实现指纹识别功能，则需要将指纹芯片40对应显示屏10的下端位置进行设计，具体如图1所示，在本实施方式中，图1中指纹芯片40所在的位置定义为显示屏10的下端。
在本公开实施例中，可以通过用于实现指纹识别功能的指纹芯片40、外围电子元件及电路结构设计在显示屏10的柔性电路板30上，并通过表面贴装技术(Surface Mount Technology，SMT)打件，与显示屏10的柔性电路板30一起完成；其中，指纹芯片40、外围电子元件及电路结构均设于柔性电路板30的电路板本体31上。这样通过将用于实现指纹识别功能的指纹芯片40集成设计在显示屏10的柔性电路板30上，相对于通过将指纹模组采用堆叠的方式设计在显示屏上，可以大幅简化结构设计，并节省占用空间。
需要补充说明的是，通过将指纹芯片40容置在防震层20的通孔21内，不仅可以对指纹芯片40提供有效的保护，还可以改善目前的显示屏指纹结构堆叠复杂、空间占用大、模组之间互连繁琐的问题。而且，指纹芯片40可以采用焊接的方式与电路板本体31固定连接，相对于相关技术中的显示屏指纹结构中，采用粘接的方式将指纹模组与显示屏固定，连接强度更好，并能够有效降低整机结构在机械测试和环境测试中的风险。
可选的，为了提升指纹芯片40的识别效果，尤其是当指纹芯片40为光学芯片时，防震层20可以采用弹性遮光材料制成。比如，防震层20可以是具备遮光功能的泡棉层。其中，泡棉具有弹性好、重量轻、性能可靠的特点。
如图2和图3所示，显示屏组件的组装过程如下，可以先将防震层20和电路板本体31贴合连接，具体的，通过将防震层20的通孔21套设在设于电路板本体31上的指纹芯片40上实现；然后再将显示屏10与防震层20远离电路板本体31的一面贴合，且柔性电路板30的弯折部32可实现与显示屏10电连接。
其中，通孔21与指纹芯片40还有定位作用，以方便防震层20与电路板本体31的贴合固定；且当通孔21设计为方形通孔时，通孔21与指纹芯片 40的定位功能更好。
需要进一步补充说明的是，为了更好的提升用户的操作体验，可以在柔性电路板30上设置至少一个指纹芯片40。比如，可以在对应显示屏10的上下两端设置指纹芯片40，或者对应显示屏10的左右两侧设置指纹芯片40，又或者是在对应显示屏10的四个角落设置指纹芯片40。其中，当设置有至少两个指纹芯片40时，用户可以选择开启其中一个或者至少两个指纹芯片40的识别功能，也可以选择一个都不开启，具体设置用户可以根据自身情况进行设定，以提升用户的操作体验。
如图1及图2所示，本公开实施例还涉及一种移动终端，包括显示屏盖板50和上述显示屏组件，其中，显示屏盖板50与上述显示屏组件的显示屏10贴合连接。
可选的，上述移动终端还包括主板和板对板连接器，上述显示屏组件的柔性电路板30通过板对板连接器与主板电连接。相对于相关技术中的显示屏指纹结构中，需要先将指纹模组的电路板与显示屏10的柔性电路板30电连接，在通过板对板连接器与主板连接进行通讯；本公开实施例提供的显示屏组件，通过将具备指纹识别功能的指纹芯片40集成设计在显示屏10的柔性电路板30上，并通过将板对板连接器，实现柔性电路板30与主板的连接通讯，可以节省移动终端用于安装指纹模块的安装空间，还可以提高显示屏组件生产良率，降低生产成本。
其中，该移动终端可以手机、平板电脑、电子书阅读器等。
需要说明的是，上述显示屏组件实施例的实现方式同样适应于该移动终端的实施例中，并能达到相同的技术效果，在此不再赘述。
以上所述仅是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视本公开的保护范围。

Claims (10)

  1. 一种显示屏组件，包括依次层叠设计的显示屏、防震层及柔性电路板，其中：所述柔性电路板包括电路板本体及自所述电路板本体朝向所述显示屏方向延伸形成的弯折部，所述弯折部与所述显示屏电连接；所述电路板本体的第一面设有指纹芯片，且所述电路板本体与所述指纹芯片电连接，所述第一面为所述电路板本体朝向所述显示屏的端面，所述防震层对应所述指纹芯片的位置设有容置所述指纹芯片的通孔。
  2. 根据权利要求1所述的显示屏组件，其中，所述防震层为弹性遮光材料。
  3. 根据权利要求1所述的显示屏组件，其中，所述防震层为泡棉层。
  4. 根据权利要求1所述的显示屏组件，还包括用于实现所述指纹芯片指纹识别功能的外围电子组件，所述外围电子元件和所述电路结构设于所述电路板本体上。
  5. 根据权利要求4所述的显示屏组件，其中，所述外围电子元件和所述电路结构位于所述电路板本体的第二面，所述第二面为所述电路板本体远离所述显示屏的端面。
  6. 根据权利要求1至5中任一项所述的显示屏组件，其中，所述指纹芯片通过焊接的方式与所述电路板本体电连接。
  7. 根据权利要求1至5中任一项所述的显示屏组件，其中，所述通孔为方形通孔。
  8. 一种移动终端，包括显示屏盖板及如权利要求1至7中任一项所述的显示屏组件，所述显示屏盖板与所述显示屏组件的显示屏贴合连接。
  9. 根据权利要求8所述的移动终端，其中，所述移动终端还包括主板及板对板连接器，所述显示屏组件的电路板通过所述板对板连接器与所述主板电连接。
  10. 根据权利要求8或9所述的移动终端，其中，所述移动终端包括手机、平板电脑、电子书阅读器。
PCT/CN2018/102697 2017-09-14 2018-08-28 显示屏组件及移动终端 WO2019052332A1 (zh)

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