WO2017071238A1 - 手机软图标的按键模块 - Google Patents

手机软图标的按键模块 Download PDF

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WO2017071238A1
WO2017071238A1 PCT/CN2016/086036 CN2016086036W WO2017071238A1 WO 2017071238 A1 WO2017071238 A1 WO 2017071238A1 CN 2016086036 W CN2016086036 W CN 2016086036W WO 2017071238 A1 WO2017071238 A1 WO 2017071238A1
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mobile phone
button module
fpc
fpc circuit
circuit
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PCT/CN2016/086036
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English (en)
French (fr)
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何佳
陈小彤
潘爱民
梁永春
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乐视控股（北京）有限公司
乐视移动智能信息技术（北京）有限公司
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Publication of WO2017071238A1 publication Critical patent/WO2017071238A1/zh

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    • 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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

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  • the invention relates to a button module, in particular to a button module of a soft icon of a mobile phone.
  • mobile phones are basically touch-screen mobile phones.
  • mobile phones will design three functional soft ICONs (referred to as soft icon buttons) directly under the display technology of In_cell (the technology of embedding touch panel functions into liquid crystal pixels).
  • Most of them will be directly integrated into the display area of the LCM (Liquid Crystal Display Module). Outside the LCM, it is a glass cover, which occupies a large amount of space in the display area of the LCM.
  • the soft ICON is disposed outside the LCM display area, but since the soft ICON also requires circuit connection and needs to communicate with the main board of the mobile phone, the circuit connection in the lower part of the mobile phone is excessive, and the number of connections is increased.
  • the complexity of the phone's motherboard design and will affect the antenna signal in the lower part of the phone.
  • a first object of the present invention is to provide a button module for a soft icon of a mobile phone, so as to reduce the circuit complexity of the lower part of the mobile phone and reduce the circuit interface on the mobile phone main board.
  • the present invention provides a button module for a soft icon of a mobile phone, comprising: the button module is disposed on the back of the glass cover of the lower part of the mobile phone, the first FPC circuit of the button module and the LCM module of the mobile phone The second FPC circuit is connected by the first data signal transmission line, the first FPC circuit shares the second data signal transmission line with the second FPC circuit, and the second data signal transmission line is used by the LCM module and the mobile phone main board The transmission of signal data between.
  • the button module of the soft icon of the mobile phone of the present invention reduces the connection between the first FPC circuit and the second FPC circuit through the first data signal transmission line, and allows the first FPC circuit and the second FPC circuit to share the second data signal transmission line.
  • the line interface on the phone's motherboard reduces the complexity of the motherboard circuit and increases the headroom of the bottom antenna area.
  • FIG. 1 is a schematic structural diagram of a button module of a soft icon of a mobile phone according to an embodiment of the present invention
  • FIG. 2 is a second schematic structural diagram of a button module of a soft icon of a mobile phone according to an embodiment of the present invention
  • FIG. 3 is a third schematic structural diagram of a button module of a soft icon of a mobile phone according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a shape of a first FPC circuit in a button module of a soft icon of a mobile phone according to an embodiment of the present invention.
  • the button module of the soft icon of the mobile phone of the embodiment is disposed on the back of the glass cover in the lower part of the mobile phone (the direction of the arrow is lower), and the first FPC (flexible circuit board) of the button module.
  • the circuit 11 is connected to the second FPC circuit 4 of the LCM module of the mobile phone via a first data signal transmission line, the first FPC circuit 11 and the second FPC circuit 4 share a second data signal transmission line, and the second data signal transmission line 12 is used for the LCM module and The transmission of signal data between the phone's motherboard.
  • the LCM module mentioned here includes the display screen 1 of the LCM module and the second FPC circuit of the LCM module.
  • the data signal transmission line 6 of the first FPC circuit 11 of the button module is bent upward from the right side of FIG. 1 and guided to the line interface 10 of the second FPC circuit 4 of the LCM module, which line interface passes through the LCM.
  • the FPC circuit 4 is connected to the second data signal transmission line 12 of the LCM module.
  • the second data signal transmission line 12 between the LCM and the mobile phone motherboard is of a standard structure.
  • the specifications include 50 PIN, 70 PIN, etc. (including 50 and 70 leads), and these lines generally have certain redundancy and redundancy. It is roughly above 10 leads.
  • the first FPC circuit of the button module generally includes: 3 LED power supply lines and 2-3 button signal lines. Because there are more redundant leads on the second data signal transmission line, it can fully accommodate Transmission of signals and data of the first FPC circuit. It should be noted that the first data signal transmission line and the second data signal transmission line may be flexible circuits. The structure of the board.
  • the button module of the soft icon of the mobile phone of the embodiment connects the first FPC circuit 11 and the second FPC circuit through the first data signal transmission line, and allows the first FPC circuit 11 and the second FPC circuit 4 to share the second data.
  • the signal transmission line reduces the line interface on the mobile phone motherboard, that is, reduces the interface circuit for data and signal transmission with the first FPC circuit of the button module, thereby reducing the complexity of the motherboard circuit and also increasing the bottom antenna area. Clearance.
  • the line interface of the first FPC circuit is disposed on one side of the button module, which facilitates the wiring of the second FPC circuit with the LCM and does not interfere with the circuit layout in the middle of the handset.
  • the button module may specifically include: a soft icon silk screen symbol 9 printed on the back of the glass cover 3; an LED lamp 2 disposed on both sides of the area covered by the button module; and a first FPC circuit 11 electrically connected to the LED lamp 2; A silver plasma film circuit 8 is electroplated around the soft icon silk screen symbol 9, and the silver plasma film circuit 8 is electrically connected to the first FPC circuit 11 for triggering a key signal. Further, a light guiding film is attached between the LED lamps, and a light shielding film is attached to the outside of the light guiding film, and the light guiding film covers the soft icon silk screen symbol.
  • the working principle of the soft icon button of the present embodiment is as follows: after the mobile phone is turned on, the three LEDs of the soft ICON (the three soft icon silk screen symbols shown in FIG. 2) are illuminated, and guided by the light guiding film.
  • the three soft ICONs illuminate, and when the finger touches the ICON, the signal of the silver paste film on the glass panel changes to generate signal feedback, and the signal is transmitted to the first FPC circuit of the soft ICON through the silver plasma film circuit, and then passes through the second data signal transmission line.
  • the second FPC circuit is transmitted to the LCM, and finally the signal is transmitted by the second FPC circuit to the mobile phone CPU through the second data signal transmission line through the mobile phone motherboard.
  • the first FPC circuit 11 can be disposed between the LCM module and the cover glass (as shown in FIGS. 1 and 2, the LCM module will be the first FPC circuit). 11 is covered), and the light guiding film and the light shielding film are located at the lower portion of the LCM module.
  • the shape structure of the first FPC circuit is separately shown, and the middle portion of the first FPC circuit is embedded between the LCM module and the glass cover plate, and the two ends are extended to the connecting circuit portion of the LED lamp.
  • the connection of the middle part to the soft ICON button is connected by a silver film circuit.
  • the first FPC circuit is placed between the LCM module and the glass cover plate, and the exposed circuit of the lower portion of the mobile phone is further reduced, thereby increasing the clearance of the bottom mobile phone antenna area and improving the utilization efficiency of the antenna.
  • This embodiment relates to another button module of a mobile phone soft icon, including:
  • LED light 2 setting both sides of the area covered by the button module
  • the first FPC circuit 11 is electrically connected to the LED lamp 2;
  • a silver plasma film circuit 8 is electroplated on the periphery of the soft icon silk screen symbol 9 , and the silver plasma film circuit 9 is electrically connected to the first FPC circuit 11 for triggering the key signal;
  • the first FPC circuit 11 is located between the LCM module and the cover glass 3.
  • the difference from the first embodiment is that the first FPC of the button module is disposed between the LCM module and the cover glass 3, so that the exposed circuit of the lower part of the mobile phone is further reduced, thereby increasing the bottom mobile phone.
  • the clearance of the antenna area improves the utilization efficiency of the antenna.
  • the light guiding film 7 and the light shielding film 5 may be disposed, that is, a light guiding film is attached between the LED lamps, and a light shielding film is attached on the outside of the light guiding film, and the light guiding film covers the soft icon silk screen symbol.
  • the light guiding film and the light shielding film are located at a lower portion of the LCM module, that is, not covered by the LCM module.
  • the embodiment may also include the key improved structure in the first embodiment, that is, the first FPC circuit of the button module and the second FPC circuit of the LCM module of the mobile phone are connected by the first data signal transmission line, and the first FPC circuit and The second FPC circuit shares a second data signal transmission line, and the second data signal transmission line is used for transmission of signal data between the LCM module and the mobile phone motherboard.
  • the line interface of the first FPC circuit can be disposed on one side of the button module.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种手机软图标的按键模块，所述按键模块设置在手机下部的玻璃盖板(3)背面，所述按键模块的第一FPC电路(11)与所述手机的LCM模块的第二FPC电路(4)通过第一数据信号传输线(6)连接，第一FPC电路(11)与所述第二FPC电路(4)共用第二数据信号传输线(12)，所述第二数据信号传输线(12)用于所述LCM模块与所述手机主板之间的信号数据的传递。手机软图标的按键模块，通过将第一FPC电路(11)与第二FPC电路(4)通过第一数据信号传输线(6)连接，并让第一FPC电路(11)与第二FPC电路(4)共用第二数据信号传输线(12)，从而减少了手机主板上的线路接口，减少了主板电路的复杂程度，同时也增加了底部天线区域的净空。

Description

手机软图标的按键模块
本专利申请要求申请日为2015年10月27日、申请号为201510708237X的中国专利申请的优先权，并将上述专利申请以引用的方式全文引入本文中。
技术领域
本发明涉及一种按键模块，尤其涉及一种手机软图标的按键模块。
背景技术
目前手机基本上都是触屏手机，一般手机会在正下方设计三个功能软ICON(称作为软图标按键)，在In_cell(将触摸面板功能嵌入到液晶像素中的技术)显示屏技术上，大多会直接集成在LCM(液晶显示模块)显示区内，在LCM外就是玻璃盖板，这样大量占用了LCM的显示区域的空间。现有技术中，也存在将软ICON设置在LCM显示区域之外的结构，但是由于软ICON也需要电路连接以及需要与手机的主板进行通信等，导致在手机下部的电路连接过多，增加了手机主板设计的复杂度，并且会影响手机下部的天线信号。
发明内容
本发明的第一目的在于，提供一种手机软图标的按键模块，以减少手机下部的电路复杂度，减少手机主板上的电路接口。
为了实现上述目的，本发明提供了一种手机软图标的按键模块，包括：所述按键模块设置在手机下部的玻璃盖板背面，所述按键模块的第一FPC电路与所述手机的LCM模块的第二FPC电路通过第一数据信号传输线连接，第一FPC电路与所述第二FPC电路共用第二数据信号传输线，所述第二数据信号传输线用于所述LCM模块与所述手机主板之间的信号数据的传递。
本发明的手机软图标的按键模块，通过将第一FPC电路与第二FPC电路通过第一数据信号传输线连接，并让第一FPC电路与第二FPC电路共用第二数据信号传输线，从而减少了手机主板上的线路接口，减少了主板电路的复杂程度，同时也增加了底部天线区域的净空。
附图说明
图1为本发明实施例的手机软图标的按键模块的结构示意图之一；
图2为本发明实施例的手机软图标的按键模块的结构示意图之二；
图3为本发明实施例的手机软图标的按键模块的结构示意图之三；
图4为本发明实施例的手机软图标的按键模块中的第一FPC电路形状的结构示意图。
附图标号说明
1-LCM模块的显示屏幕；2-LED灯；3-玻璃盖板；4-第二FPC电路；5-遮光膜；6-第一数据信号传输线；7-导光膜；8-银浆膜电路；9-软图标丝印符号；10-第二FPC电路上的线路接口；11-第一FPC电路；12-第二数据信号传输线；
具体实施方式
实施例一
如图1至3所示，本实施例的手机软图标的按键模块设置在手机下部(如图所示的箭头方向为下部)的玻璃盖板背面，按键模块的第一FPC(柔性电路板)电路11与手机的LCM模块的第二FPC电路4通过第一数据信号传输线连接，第一FPC电路11与第二FPC电路4共用第二数据信号传输线，第二数据信号传输线12用于LCM模块与手机主板之间的信号数据的传递。
这里所说的LCM模块，包含了LCM模块的显示屏幕1和LCM模块的第二FPC电路等部分。如图1所示，按键模块的第一FPC电路11的数据信号传输线6从图1的右侧向上弯折，引导至LCM模块的第二FPC电路4的线路接口10，该线路接口通过LCM的FPC电路4与LCM模块的第二数据信号传输线12连接。LCM与手机主板之间的第二数据信号传输线12为标准结构，规格上例有50PIN、70PIN等(包含有50根、70根引线)，这些线路一般都有会一定的冗余，冗余量大致在10根引线以上。按键模块的第一FPC电路，涉及的引线数量大致包括：3根LED供电线、2-3根按键信号线，由于在第二数据信号传输线上存在较多的冗余引线，因此，完全能够容纳第一FPC电路的信号和数据的传输。需要说明的是，上述的第一数据信号传输线和第二数据信号传输线均可以采用柔性电路 板的结构。
因此，本实施例的手机软图标的按键模块，通过将第一FPC电路11与第二FPC电路通过第一数据信号传输线连接，并让第一FPC电路11与第二FPC电路4共用第二数据信号传输线，从而减少了手机主板上的线路接口，即减少了原来与按键模块的第一FPC电路进行数据和信号传输的接口电路，从而减少了主板电路的复杂程度，同时也增加了底部天线区域的净空。优选地，第一FPC电路的线路接口设置于按键模块的一侧，这样方便与LCM的第二FPC电路引线，并且不会干扰到手机中部的电路布局。
进一步地，按键模块具体可以包括：软图标丝印符号9，印刷在玻璃盖板3背面；LED灯2，设置按键模块覆盖的区域的两侧；第一FPC电路11，与LED灯2电连接；在软图标丝印符号9的周边电镀有银浆膜电路8，该银浆膜电路8与第一FPC电路11电连接，用于触发按键信号。更进一步地，在LED灯之间贴有导光膜，在导光膜外贴有遮光膜，导光膜覆盖软图标丝印符号。
基于上述结构，本实施例的软图标按键的工作原理如下：手机开机后，三个软ICON(如图2示出的三个软图标丝印符号)两端的LED灯发光，经导光膜导给三个软ICON点亮，手指触动ICON时，引起玻璃面板上电镀的银浆膜电容变化产生信号反馈，信号经银浆膜电路传给软ICON的第一FPC电路，再通过第二数据信号传输线传给LCM的第二FPC电路，最后由第二FPC电路将信号经由第二数据信号传输线通过手机主板传给手机CPU处理。
作为本实施例的在结构上的另一改重要进点，可以将第一FPC电路11设置在LCM模块与玻璃盖板之间(如图1和图2的视图，LCM模块将第一FPC电路11盖住)，而导光膜和遮光膜位于LCM模块的下部。具体的如图4所示，其单独示出了第一FPC电路的形状结构，第一FPC电路中间部分嵌入到LCM模块与玻璃盖板之间，两端伸出与LED灯的连接电路部分，中间部分与软ICON按键的连接通过银浆膜电路连接。
这样的结构，将第一FPC电路置于了LCM模块与玻璃盖板之间，手机下部的露出的电路进一步减少了，从而增加了底部手机天线区域的净空，提高天线的利用效率。
实施例二
本实施例涉及另一种手机软图标的按键模块，包括：
软图标丝印符号9，印刷在手机的玻璃盖板3的背面；
LED灯2，设置按键模块覆盖的区域的两侧；
第一FPC电路11，与LED灯2电连接；
在软图标丝印符号9的周边电镀有银浆膜电路8，该银浆膜电路9与第一FPC电路11电连接，用于触发按键信号；
第一FPC电路11位于LCM模块与玻璃盖板3之间。
与实施例一不同支出在于，本实施例的侧重点为按键模块的第一FPC设置于LCM模块与玻璃盖板3之间，这样，手机下部的露出的电路进一步减少了，从而增加了底部手机天线区域的净空，提高天线的利用效率。
进一步地，还可以包括导光膜7和遮光膜5的设置，即在LED灯之间贴有导光膜，在导光膜外贴有遮光膜，导光膜覆盖软图标丝印符号。其中，导光膜和遮光膜位于LCM模块的下部，即没有被LCM模块所遮盖。
此外，本实施例也可以包括上述实施例一中的重点改进的结构，即按键模块的第一FPC电路与手机的LCM模块的第二FPC电路通过第一数据信号传输线连接，第一FPC电路与第二FPC电路共用第二数据信号传输线，第二数据信号传输线用于LCM模块与手机主板之间的信号数据的传递。其中，第一FPC电路的线路接口可以设置于按键模块的一侧。这样的结构改进所产生的技术效果已经在实施例中进行了详细的说明，在次不在赘述。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这 些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (6)

  1. 一种手机软图标的按键模块，其特征在于，所述按键模块设置在手机下部的玻璃盖板背面，所述按键模块的第一FPC电路与所述手机的LCM模块的第二FPC电路通过第一数据信号传输线连接，第一FPC电路与所述第二FPC电路共用第二数据信号传输线，所述第二数据信号传输线用于所述LCM模块与所述手机主板之间的信号数据的传递。
  2. 根据权利要求1所述的按键模块，其特征在于，所述按键模块包括：
    软图标丝印符号，印刷在所述玻璃盖板背面；
    LED灯，设置所述按键模块覆盖的区域的两侧；
    所述第一FPC电路，与所述LED灯电连接；
    在所述软图标丝印符号的周边电镀有银浆膜电路，该银浆膜电路与所述第一FPC电路电连接，用于触发按键信号。
  3. 根据权利要求1或2所述的按键模块，其特征在于，所述第一FPC电路位于所述LCM模块与所述玻璃盖板之间。
  4. 根据权利要求2所述的按键模块，其特征在于，在所述LED灯之间贴有导光膜，在所述导光膜外贴有遮光膜，所述导光膜覆盖所述软图标丝印符号。
  5. 根据权利要求4所述的按键模块，其特征在于，所述第一FPC电路位于所述LCM模块与所述玻璃盖板之间，所述导光膜和所述遮光膜位于所述LCM模块的下部。
  6. 根据权利要求1所述的按键模块，其特征在于，第一FPC电路的线路接口设置于按键模块的一侧。
PCT/CN2016/086036 2015-10-27 2016-06-16 手机软图标的按键模块 WO2017071238A1 (zh)

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