CN102314256B - Touch screen module and mobile terminal applied by same - Google Patents
Touch screen module and mobile terminal applied by same Download PDFInfo
- Publication number
- CN102314256B CN102314256B CN201110265865.7A CN201110265865A CN102314256B CN 102314256 B CN102314256 B CN 102314256B CN 201110265865 A CN201110265865 A CN 201110265865A CN 102314256 B CN102314256 B CN 102314256B
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- press
- touch key
- light source
- liquid crystal
- crystal display
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Abstract
The invention discloses a touch screen module which comprises a touch button backlight module, a liquid crystal display module and a touch panel; the touch panel is provided with a touch button area; the liquid crystal display module comprises a liquid crystal display panel, a backlight source which provides backlight lighting for the liquid crystal display panel, a light source driving circuit for driving the backlight source, and a display panel flexible printed circuit board which drives the liquid crystal display panel; the display panel flexible printed circuit board of the liquid crystal display module is arranged adjacent to the touch button area; the touch button backlight module is arranged between the liquid crystal display module and the touch button area; the touch button backlight module comprises a touch button light source and a flexible printed circuit board; the flexible printed circuit board is fixedly arranged on the display panel flexible printed circuit board and is electrically connected with the light source driving circuit; and the touch button light source is arranged on the flexible printed circuit board. The invention further discloses a mobile terminal. The touch screen module and the mobile terminal have the advantages of simplified structure, lower cost and smaller occupied space.
Description
Technical field
The present invention relates to back light model setting technology field, particularly relate to a kind of touch-screen module being applied to mobile terminal, and apply the mobile terminal of this touch-screen module.
Background technology
At present, at some, there is the mobile terminal compared with large display screen, particularly in smart mobile phone, usually the touch key-press of touch panel can be adopted to realize keypress function, to replace common mechanical key, touch key-press can be arranged on directly over liquid crystal display module usually, the light conduction that back light is normally sent by light guiding film by the backlight module of the touch key-press of this structure is to touch key-press region, or the flexible printed circuit board one being posted back light is arranged on immediately below touch key-press and provides back lighting to touch key-press region, the shortcoming of these touch key-press backlight modules is: required backlight module element is more, complex structure, take up room comparatively large and cost is higher.
Refer to Fig. 1, Fig. 1 is touch-screen module application diagrammatic cross-section in the terminal in a kind of prior art.As shown in Figure 1, mobile terminal 10 comprises housing 11 and touch-screen module, and touch-screen module comprises liquid crystal display module 12, printed circuit board (PCB) (PCB) 13, touch key-press light source 14, light guiding film 15 and touch panel 16.Housing 11 comprises the first stacked accommodation space and the second accommodation space, the two separate by the frame of housing 11, what liquid crystal display module 12 and printed circuit board (PCB) 13 were contacted is fixedly installed in the first accommodation space of housing 11, touch panel 16 is arranged on the one end near printed circuit board (PCB) 13 in the second accommodation space relative with the display surface of liquid crystal display module 12 in housing 11, touch key-press light source 14 is arranged on printed circuit board (PCB) 13 towards touch panel 16, light guiding film 15 is arranged between light source 14 and touch panel 16, for by the light conduction of touch key-press light source 14 outgoing to touch panel 16 to provide illumination.In prior art shown in Fig. 1, because printed circuit board (PCB) 13 and the touch key-press light source 14 be located thereon need to take certain accommodation space, also need to arrange light guiding film 15 in addition to receive and conducting light, therefore touch key-press backlight module is caused not only to take up room larger, and complex structure, manufacturing process are loaded down with trivial details, production cost is higher.In view of this, industry also develops other the touch key-press backlight module being applied in mobile terminal.
Touch-screen module application diagrammatic cross-section in the terminal in another kind of prior art referring again to Fig. 2, Fig. 2.Mobile terminal 20 comprises housing 21 and touch-screen module, and touch-screen module comprises liquid crystal display module 22, flexible printed circuit board 23, touch key-press light source 24 and touch panel 25.Liquid crystal display module 22 is arranged in the first accommodation space of housing 21, touch panel 25 is arranged in the second accommodation space relative with the display surface of liquid crystal display module 22 in housing 21, be with the difference of the prior art shown in Fig. 1, flexible printed circuit board 23 is arranged on the front chase of liquid crystal display module 22, and touch key-press light source 24 is arranged on flexible printed circuit board 23 also near touch panel 25.Because flexible printed circuit board 23 is arranged on before liquid crystal display module 22 on chase, cause complex structure, cost is higher.
Therefore, need to provide a kind of application touch-screen module in the terminal, to solve the above-mentioned technical matters in prior art existing for touch-screen module.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of application touch-screen module in the terminal, to solve higher, the baroque problem of existing touch-screen module cost.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of touch-screen module, touch-screen module comprises touch key-press backlight module, liquid crystal display module and touch panel, touch panel has touch key-press district, liquid crystal display module comprises display panels, for display panels provides the back light of back lighting, drive the light source driving circuit of back light and drive the display panel flexible printed circuit board of described display panels, liquid crystal display module is located at below touch panel completely, the contiguous touch key-press district of display panel flexible printed circuit board of liquid crystal display module is arranged, touch key-press backlight module is between liquid crystal display module and touch key-press district and be attached to the surface of liquid crystal display module towards touch panel, touch key-press backlight module comprises touch key-press light source and flexible printed circuit board, touch key-press light source is arranged on flexible printed circuit board on flexible printed circuit board and is fixedly installed on display panel flexible printed circuit board and is electrically connected light source driving circuit, described light source driving circuit is described touch key-press light source power supply.
According to one preferred embodiment of the present invention, touch key-press light source is encapsulated on flexible printed circuit board by surface mount process.
According to one preferred embodiment of the present invention, touch key-press light source is LED.
Another technical solution used in the present invention is: provide a kind of mobile terminal, mobile terminal comprises housing and is arranged on the touch-screen module in housing, touch-screen module comprises touch key-press backlight module, liquid crystal display module and touch panel, touch panel has touch key-press district, liquid crystal display module comprises display panels further, for display panels provides the back light of back lighting, drive the light source driving circuit of back light and drive the display panel flexible printed circuit board of described display panels, liquid crystal display module is located at below touch panel completely, the contiguous touch key-press district of display panel flexible printed circuit board of liquid crystal display module is arranged, touch key-press backlight module is between liquid crystal display module and touch key-press district and be attached to the surface of liquid crystal display module towards touch panel, touch key-press backlight module comprises touch key-press light source and flexible printed circuit board, touch key-press light source is arranged on flexible printed circuit board on flexible printed circuit board and is fixedly installed on display panel flexible printed circuit board and is electrically connected light source driving circuit, described light source driving circuit is described touch key-press light source power supply.
According to one preferred embodiment of the present invention, housing comprises the first accommodation space and second accommodation space of stacked setting, and liquid crystal display module is fixedly installed in the first accommodation space, and touch panel is arranged in the second accommodation space.
According to one preferred embodiment of the present invention, touch key-press backlight module is arranged at the position to the central area in touch key-press district above liquid crystal display module.
According to one preferred embodiment of the present invention, touch key-press light source is arranged near touch key-press district.
According to one preferred embodiment of the present invention, mobile terminal drives touch key-press light source by the light source driving circuit controlling liquid crystal display module.
According to one preferred embodiment of the present invention, touch key-press light source is encapsulated in by surface mount process and states on flexible printed circuit board.
According to one preferred embodiment of the present invention, mobile terminal also comprises light guiding film, and light guiding film is arranged between touch key-press backlight module and touch panel.
In sum, in touch-screen module of the present invention and mobile terminal, by arranging touch key-press backlight module on the display panel flexible printed circuit board of liquid crystal display module, make touch-screen module of the present invention and mobile terminal, have that structure simplifies, the lower and less advantage that takes up room of cost.
Accompanying drawing explanation
Fig. 1 is touch-screen module application diagrammatic cross-section in the terminal in a kind of prior art;
Fig. 2 is touch-screen module application diagrammatic cross-section in the terminal in another kind of prior art;
Fig. 3 is the diagrammatic cross-section of a touch-screen module of the present invention application preferred embodiment in the terminal; And
Fig. 4 is the perspective view that in touch-screen module of the present invention and mobile terminal, liquid crystal display mode assembles a preferred embodiment of joining.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Refer to Fig. 3, Fig. 3 is the diagrammatic cross-section of a touch-screen module of the present invention application preferred embodiment in the terminal.Mobile terminal 30 comprises housing 31 and is arranged on the touch-screen module in housing, and touch-screen module comprises liquid crystal display module 32, touch key-press backlight module 33 and touch panel 34.Housing 31 comprises the first accommodation space 311 and the second accommodation space 312 of stacked setting, liquid crystal display module 32 is fixedly installed in the first accommodation space 311 of housing 31, and touch panel 34 is arranged in the second accommodation space 312 relative with the display surface of liquid crystal display module 32 in housing 31.Touch key-press backlight module 33 between liquid crystal display module 32 and touch panel 34, and is attached to the surface of liquid crystal display module 32 towards touch panel 34.
Refer to Fig. 4, Fig. 4 is the perspective view that in touch-screen module of the present invention and mobile terminal, liquid crystal display mode assembles a preferred embodiment of joining.
Liquid crystal display module 32 comprises display panels (sign), provides the back light (not shown) of back lighting for display panels, drives the light source driving circuit (not shown) of back light and drives the display panel flexible printed circuit board 321 of display panels, and the touch key-press district (sign) of the contiguous touch panel 34 of display panel flexible printed circuit board 321 of liquid crystal display module 32 is arranged.
Touch key-press backlight module 33 comprises touch key-press light source 331 and flexible printed circuit board 332, the display panel flexible printed circuit board 321 that flexible printed circuit board 332 is fixedly installed on liquid crystal display module 32 is electrically connected the light source driving circuit of liquid crystal display module 32, touch key-press light source 331 is arranged on flexible printed circuit board 332, wherein, touch key-press light source 331 and flexible printed circuit board 332 are electrically connected, mobile terminal 32 drives touch key-press light source 331 by the light source driving circuit controlling liquid crystal display module, the light source driving circuit of liquid crystal display module 32 is that touch key-press light source 331 is powered, support the work of touch key-press light source 331.In the present embodiment, touch key-press light source 331 can pass through surface mount process (SMT) and be encapsulated on flexible printed circuit board 332, and touch key-press light source is LED.It should be noted that touch key-press light source 331 of the present invention is not for liquid crystal display module 32 provides backlight, but the special touch key-press (sign) for touch panel 34 provides back lighting.
Touch panel 34 has touch key-press district, touch key-press backlight module 33 is arranged at the position towards the central area in touch key-press district on liquid crystal display module 32, make touch key-press light source 331 can provide light in the central area near touch key-press district to touch key-press district, this is conducive to touch key-press district and obtains sufficient back lighting light, touch key-press district can realize alternate physical keyboard, as the various operations of numeric keypad.
It should be noted that, in embodiments of the present invention, touch key-press backlight module comprises multiple set-up mode, except touch key-press backlight module being placed on the below in touch key-press district, light can directly be irradiated to outside the embodiment in touch key-press district by touch key-press light source, in another embodiment of the invention, also be included between touch key-press backlight module and touch panel and set up light guiding film, light guiding film is used for the light conduction of touch key-press light source outgoing to other touch key-press districts of touch panel, back lighting is provided with the touch key-press district be embodied as not directly over touch key-press light source.
The mobile terminal of present embodiment compared with the mobile terminal of prior art, the first because do not need to apply to printed circuit board (PCB), save the space of mobile terminal length direction and reduce the cost of product; The second, touch key-press backlight module is arranged on the display panel flexible printed circuit board of liquid crystal display module, saves the space arranging flexible printed circuit board and light source between liquid crystal display module and touch panel, simplifies the structure of touch-screen module.
In sum, in touch-screen module of the present invention and mobile terminal, by arranging touch key-press backlight module on the display panel flexible printed circuit board of liquid crystal display module, touch-screen module of the present invention and mobile terminal are had, and structure simplifies, cost is lower and the less advantage that takes up room.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a touch-screen module, described touch-screen module comprises touch key-press backlight module, liquid crystal display module and touch panel, described touch panel has touch key-press district, described liquid crystal display module comprises display panels, for described display panels provides the back light of back lighting, drive the light source driving circuit of described back light and drive the display panel flexible printed circuit board of described display panels, it is characterized in that, described liquid crystal display module is located at below described touch panel completely, the contiguous described touch key-press district of described display panel flexible printed circuit board of described liquid crystal display module is arranged, described touch key-press backlight module is between described liquid crystal display module and described touch key-press district and be attached to the surface of described liquid crystal display module towards described touch panel, described touch key-press backlight module comprises touch key-press light source and flexible printed circuit board, described touch key-press light source is arranged on described flexible printed circuit board, described flexible printed circuit board to be fixedly installed on described display panel flexible printed circuit board and to be electrically connected described light source driving circuit, described light source driving circuit is described touch key-press light source power supply,
Described touch key-press light source is encapsulated on described flexible printed circuit board by surface mount process;
Described touch key-press light source is LED;
Described touch key-press backlight module is arranged at the position to the central area in described touch key-press district above described liquid crystal display module, makes touch key-press light source provide light in the central area near touch key-press district to touch key-press district;
Described touch key-press light source is arranged near described touch key-press district;
Described touch key-press light source and flexible printed circuit board electrical connection; The touch key-press that touch key-press light source is touch panel provides back lighting.
2. a mobile terminal, described mobile terminal comprises housing and is arranged on the touch-screen module in described housing, described touch-screen module comprises liquid crystal display module, touch key-press backlight module and touch panel, described touch panel has touch key-press district, described liquid crystal display module comprises display panels further, for described display panels provides the back light of back lighting, drive the light source driving circuit of described back light and drive the display panel flexible printed circuit board of described display panels, it is characterized in that, described liquid crystal display module is located at below described touch panel completely, the contiguous described touch key-press district of described display panel flexible printed circuit board of described liquid crystal display module is arranged, described touch key-press backlight module is between described liquid crystal display module and described touch key-press district and be attached to the surface of described liquid crystal display module towards described touch panel, described touch key-press backlight module comprises touch key-press light source and flexible printed circuit board, described touch key-press light source is arranged on described flexible printed circuit board, described flexible printed circuit board to be fixedly installed on described display panel flexible printed circuit board and to be electrically connected described light source driving circuit, and described light source driving circuit is described touch key-press light source power supply,
Described housing comprises the first accommodation space and second accommodation space of stacked setting, described liquid crystal display module is fixedly installed in described first accommodation space, and described touch panel arranges in the second relative with the display surface of liquid crystal display module in the housing accommodation space;
Described touch key-press backlight module is arranged at the position to the central area in described touch key-press district above described liquid crystal display module, makes touch key-press light source provide light in the central area near touch key-press district to touch key-press district;
Described touch key-press light source is arranged near described touch key-press district;
Described mobile terminal drives described touch key-press light source by the described light source driving circuit controlling described liquid crystal display module;
Described touch key-press light source is encapsulated on described flexible printed circuit board by surface mount process;
Described touch key-press light source is LED;
Described touch key-press light source and flexible printed circuit board electrical connection; The touch key-press that touch key-press light source is touch panel provides back lighting.
3. mobile terminal according to claim 2, is characterized in that, described mobile terminal also comprises light guiding film, and described light guiding film is arranged between described touch key-press backlight module and described touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110265865.7A CN102314256B (en) | 2011-09-08 | 2011-09-08 | Touch screen module and mobile terminal applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110265865.7A CN102314256B (en) | 2011-09-08 | 2011-09-08 | Touch screen module and mobile terminal applied by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102314256A CN102314256A (en) | 2012-01-11 |
| CN102314256B true CN102314256B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110265865.7A Expired - Fee Related CN102314256B (en) | 2011-09-08 | 2011-09-08 | Touch screen module and mobile terminal applied by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102314256B (en) |
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| CN102629165B (en) * | 2012-02-27 | 2014-12-10 | 华为终端有限公司 | Display assembly and terminal |
| KR101990452B1 (en) | 2012-05-02 | 2019-06-18 | 삼성전자주식회사 | A mounting structure of printed circuit boards |
| CN102853376B (en) * | 2012-08-01 | 2015-10-28 | 惠州Tcl移动通信有限公司 | A kind of leaded light component of screen soft keyboard character and touch-screen mobile phone |
| TWI475457B (en) * | 2012-09-03 | 2015-03-01 | Young Lighting Technology Inc | Touch panel |
| BR112015011250A2 (en) * | 2012-11-15 | 2017-07-11 | Switchbee Ltd | Modular touch element system, method for installing a touch element, touch unit and programmable touch unit. |
| CN104155783B (en) * | 2013-05-14 | 2017-06-30 | 瀚宇彩晶股份有限公司 | Flat-panel screens |
| CN103345316A (en) * | 2013-06-14 | 2013-10-09 | 业成光电（深圳）有限公司 | Electronic device with touch control function |
| CN103440059B (en) * | 2013-06-19 | 2016-12-28 | 业成光电（深圳）有限公司 | touch screen module |
| TWI494653B (en) * | 2013-06-26 | 2015-08-01 | Au Optronics Corp | Display apparatus |
| TWI494822B (en) * | 2013-12-06 | 2015-08-01 | Au Optronics Corp | Touch display device with flexible circuit module |
| CN103677138A (en) * | 2013-12-26 | 2014-03-26 | 华为终端有限公司 | Terminal |
| CN103906357A (en) * | 2014-03-20 | 2014-07-02 | 京东方科技集团股份有限公司 | Printed circuit board of display module, fixing method of printed circuit board of display module, and display device |
| CN104360768B (en) * | 2014-11-10 | 2018-02-13 | 京东方科技集团股份有限公司 | Touch-control display module and electronical display product |
| CN104793367B (en) * | 2015-04-24 | 2017-11-14 | 厦门天马微电子有限公司 | Touch control display apparatus |
| CN105469045A (en) * | 2015-11-23 | 2016-04-06 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition module and electronic equipment |
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| JP6905027B2 (en) | 2018-11-13 | 2021-07-21 | ディーフォン エレクテック カンパニー リミテッドＤｅｆｏｎｄ Ｅｌｅｃｔｅｃｈ Ｃｏ．， Ｌｔｄ | Touch-controlled human-machine interface |
| CN112817374A (en) * | 2019-11-18 | 2021-05-18 | 英业达科技有限公司 | Notebook computer with improved application space inside display device shell |
| CN113110761B (en) * | 2021-04-19 | 2022-07-26 | 杭州纳帕科技有限公司 | WiFi embedded touch key screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102314256A (en) | 2012-01-11 |
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Granted publication date: 20150325 |