CN102314256A - Touch screen module and mobile terminal applied by same - Google Patents
Touch screen module and mobile terminal applied by same Download PDFInfo
- Publication number
- CN102314256A CN102314256A CN201110265865A CN201110265865A CN102314256A CN 102314256 A CN102314256 A CN 102314256A CN 201110265865 A CN201110265865 A CN 201110265865A CN 201110265865 A CN201110265865 A CN 201110265865A CN 102314256 A CN102314256 A CN 102314256A
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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 the back light model setting technology field, particularly relate to a kind of touch-screen module that is applied to portable terminal, and the portable terminal of using this touch-screen module.
Background technology
At present; Has portable terminal at some than large display screen; Particularly in the smart mobile phone; Usually can adopt the touch key-press of touch panel to realize keypress function; Replacing common mechanical key, touch key-press can be arranged on usually the liquid crystal display module directly over, the light that the module backlight of the touch key-press of this structure normally sends back light through light guiding film is transmitted to the touch key-press zone; Or with a flexible printed circuit board that posts back light be arranged on touch key-press under come back lighting to be provided to the touch key-press zone, the shortcoming of these touch key-presss module backlight is: required module element backlight is more, complex structure, take up room that it is higher to reach cost more greatly.
See also Fig. 1, Fig. 1 is that the touch-screen module is applied in the diagrammatic cross-section in the portable terminal in a kind of prior art.As shown in Figure 1, portable terminal 10 comprises housing 11 and touch-screen module, and the 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 range upon range of accommodation space and second accommodation space; The two is separated by the frame of housing 11; In first accommodation space that is fixedly installed on housing 11 of liquid crystal display module 12 and printed circuit board (PCB) 13 polyphones; Touch panel 16 is arranged in second relative with the display surface of liquid crystal display module 12 in the housing 11 accommodation space end near printed circuit board (PCB) 13; Touch key-press light source 14 is arranged on the printed circuit board (PCB) 13 towards touch panel 16, and light guiding film 15 is arranged between light source 14 and the touch panel 16, is used for the light of touch key-press light source 14 outgoing is conducted to touch panel 16 so that illumination to be provided.In the prior art shown in Figure 1; Because printed circuit board (PCB) 13 need take certain accommodation space with position touch key-press light source 14 on it; Light guiding film 15 also need be set in addition receive also conducting light; Therefore it is bigger to cause touch key-press module backlight not only to take up room, and complex structure, manufacturing process are loaded down with trivial details, and production cost is higher.In view of this, industry has also been developed other the touch key-press that is applied in portable terminal module backlight.
Please consult Fig. 2 again, Fig. 2 is that the touch-screen module is applied in the diagrammatic cross-section in the portable terminal in the another kind of prior art.Portable terminal 20 comprises housing 21 and touch-screen module, and the 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 first accommodation space of housing 21; Touch panel 25 is arranged in second relative with the display surface of liquid crystal display module 22 in the housing 21 accommodation space; Be with the difference of prior art shown in Figure 1; Flexible printed circuit board 23 is arranged on the preceding chase of liquid crystal display module 22, and touch key-press light source 24 is arranged on the flexible printed circuit board 23 and near touch panel 25.Because flexible printed circuit board 23 is arranged on the preceding chase of liquid crystal display module 22, causes complex structure, cost is higher.
Therefore, a kind of touch-screen module that is applied in the portable terminal need be provided, to solve the existing above-mentioned technical matters of touch-screen module in the prior art.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of touch-screen module that is applied in the portable 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: a kind of touch-screen module is provided; The touch-screen module comprises touch key-press module backlight, liquid crystal display module and touch panel; Touch panel has the touch key-press district; The liquid crystal display module comprises display panels, the back light of back lighting, the light source driving circuit that drives back light and the display panel flexible printed circuit board that drives said display panels is provided for display panels; The contiguous touch key-press of the display panel flexible printed circuit board of liquid crystal display module district is provided with, and touch key-press module backlight is between liquid crystal display module and touch key-press district, and touch key-press module backlight comprises touch key-press light source and flexible printed circuit board; Flexible printed circuit board is fixedly installed on the display panel flexible printed circuit board and electrically connects light source driving circuit, and the touch key-press light source is arranged on the flexible printed circuit board.
According to one preferred embodiment of the present invention, the touch key-press light source is encapsulated on the flexible printed circuit board through surface mount process.
According to one preferred embodiment of the present invention, the touch key-press light source is the LED lamp.
Another technical scheme that the present invention adopts is: a kind of portable terminal is provided; Portable terminal comprises housing and is arranged on the touch-screen module in the housing; The touch-screen module comprises touch key-press module backlight, liquid crystal display module and touch panel; Touch panel has the touch key-press district; The liquid crystal display module further comprises display panels, the back light of back lighting, the light source driving circuit that drives back light and the display panel flexible printed circuit board that drives said display panels is provided for display panels; The contiguous touch key-press of the display panel flexible printed circuit board of liquid crystal display module district is provided with, and touch key-press module backlight is between liquid crystal display module and touch key-press district, and touch key-press module backlight comprises touch key-press light source and flexible printed circuit board; Flexible printed circuit board is fixedly installed on the display panel flexible printed circuit board and electrically connects light source driving circuit, and the touch key-press light source is arranged on the flexible printed circuit board.
According to one preferred embodiment of the present invention, housing comprises first accommodation space and second accommodation space of range upon range of setting, and the liquid crystal display module is fixedly installed in first accommodation space, and touch panel is arranged in second accommodation space.
According to one preferred embodiment of the present invention, touch key-press module backlight is arranged at above the liquid crystal display module position to the central area in touch key-press district.
According to one preferred embodiment of the present invention, the touch key-press light source is provided with near the touch key-press district.
According to one preferred embodiment of the present invention, portable terminal drives the touch key-press light source through the light source driving circuit of control liquid crystal display module.
According to one preferred embodiment of the present invention, the touch key-press light source is encapsulated in through surface mount process and states on the flexible printed circuit board.
According to one preferred embodiment of the present invention, portable terminal also comprises light guiding film, and light guiding film is arranged between touch key-press module backlight and the touch panel.
In sum; In touch-screen module of the present invention and the portable terminal; Through touch key-press module backlight is set on the display panel flexible printed circuit board of LCD module; Make touch-screen module of the present invention and portable terminal, have designs simplification, cost is lower and take up room less advantage.
Description of drawings
Fig. 1 is that the touch-screen module is applied in the diagrammatic cross-section in the portable terminal in a kind of prior art;
Fig. 2 is that the touch-screen module is applied in the diagrammatic cross-section in the portable terminal in the another kind of prior art;
Fig. 3 is the diagrammatic cross-section that touch-screen module of the present invention is applied in a preferred embodiment in the portable terminal; And
Fig. 4 is the perspective view of the preferred embodiment that the liquid crystal display mode assembling is joined in touch-screen module of the present invention and the portable terminal.
Embodiment
To combine accompanying drawing below, the present invention will be done further detailed description.
See also Fig. 3, Fig. 3 is the diagrammatic cross-section that touch-screen module of the present invention is applied in a preferred embodiment in the portable terminal.Portable terminal 30 comprises housing 31 and is arranged on the touch-screen module in the housing that the touch-screen module comprises LCD module 32, touch key-press module 33 backlight and touch panel 34.Housing 31 comprises first accommodation space 311 and second accommodation space 312 of range upon range of setting; Liquid crystal display module 32 is fixedly installed in first accommodation space 311 of housing 31, and touch panel 34 is arranged in second relative with the display surface of liquid crystal display module 32 in the housing 31 accommodation space 312.Touch key-press module 33 backlight and is attached to the surface of liquid crystal display module 32 towards touch panel 34 between liquid crystal display module 32 and touch panel 34.
See also Fig. 4, Fig. 4 is the perspective view of the preferred embodiment that the liquid crystal display mode assembling is joined in touch-screen module of the present invention and the portable terminal.
Touch key-press module 33 backlight comprises touch key-press light source 331 and flexible printed circuit board 332; Flexible printed circuit board 332 is fixedly installed on the display panel flexible printed circuit board 321 of LCD module 32 and electrically connects the light source driving circuit of liquid crystal display module 32; Touch key-press light source 331 is arranged on the flexible printed circuit board 332; Wherein, Touch key-press light source 331 electrically connects with flexible printed circuit board 332; Portable terminal 32 drives touch key-press light source 331 through the light source driving circuit of control liquid crystal display module, and the light source driving circuit of LCD module 32 is 331 power supplies of touch key-press light source, supports the work of touch key-press light source 331.In this embodiment, touch key-press light source 331 can be encapsulated on the flexible printed circuit board 332 through surface mount process (SMT), and the touch key-press light source is the LED lamp.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 for the touch key-press of touch panel 34 (not indicating) back lighting is provided specially.
It should be noted that; In embodiments of the present invention; Touch key-press module backlight comprises multiple set-up mode, and except touch key-press module backlight being placed on the below in touch key-press district, the touch key-press light source can directly arrive irradiate light outside the embodiment in touch key-press district; In another embodiment of the invention; Also be included between touch key-press module backlight and the touch panel and set up light guiding film, light guiding film is used for the light of touch key-press light source outgoing is conducted to other touch key-press districts of touch panel, and the touch key-press district directly over the touch key-press light source provides back lighting to be embodied as not.
The portable terminal of this embodiment is compared with the portable terminal of prior art, and the first, because need not apply to printed circuit board (PCB), saved the space of portable terminal length direction and reduced the cost of product; The second, touch key-press module backlight is arranged on the display panel flexible printed circuit board of LCD module, has saved the space that flexible printed circuit board and light source are set between LCD module and touch panel, has simplified the structure of touch-screen module.
In sum; In touch-screen module of the present invention and the portable terminal; Through touch key-press module backlight is set on the display panel flexible printed circuit board of LCD module, makes that touch-screen module of the present invention and portable terminal have designs simplification, cost is lower and take up room less advantage.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. touch-screen module; Said touch-screen module comprises touch key-press module backlight, liquid crystal display module and touch panel; Said touch panel has the touch key-press district; Said liquid crystal display module comprises display panels, is back light, the light source driving circuit that drives said back light and the display panel flexible printed circuit board that drives said display panels that said display panels provides back lighting; It is characterized in that; The contiguous said touch key-press of the said display panel flexible printed circuit board district of said liquid crystal display module is provided with, and said touch key-press module backlight is between said liquid crystal display module and said touch key-press district, and said touch key-press module backlight comprises touch key-press light source and flexible printed circuit board; Said flexible printed circuit board is fixedly installed on the said display panel flexible printed circuit board and electrically connects said light source driving circuit, and said touch key-press light source is arranged on the said flexible printed circuit board.
2. touch-screen module according to claim 1 is characterized in that, said touch key-press light source is encapsulated on the said flexible printed circuit board through surface mount process.
3. touch-screen module according to claim 1 is characterized in that, said touch key-press light source is the LED lamp.
4. portable terminal; Said portable terminal comprises housing and is arranged on the touch-screen module in the said housing; Said touch-screen module comprises LCD module, touch key-press module backlight and touch panel; Said touch panel has the touch key-press district; Said liquid crystal display module further comprises display panels, is back light, the light source driving circuit that drives said back light and the display panel flexible printed circuit board that drives said display panels that said display panels provides back lighting; It is characterized in that; The contiguous said touch key-press of the said display panel flexible printed circuit board district of said liquid crystal display module is provided with, and said touch key-press module backlight is between said liquid crystal display module and said touch key-press district, and said touch key-press module backlight comprises touch key-press light source and flexible printed circuit board; Said flexible printed circuit board is fixedly installed on the said display panel flexible printed circuit board and electrically connects said light source driving circuit, and said touch key-press light source is arranged on the said flexible printed circuit board.
5. portable terminal according to claim 4; It is characterized in that; Said housing comprises first accommodation space and second accommodation space of range upon range of setting, and said liquid crystal display module is fixedly installed in said first accommodation space, and said touch panel is arranged in said second accommodation space.
6. portable terminal according to claim 4 is characterized in that, said touch key-press module backlight is arranged at above the said liquid crystal display module position to the central area in said touch key-press district.
7. portable terminal according to claim 6 is characterized in that, said touch key-press light source is provided with near said touch key-press district.
8. portable terminal according to claim 4 is characterized in that, said portable terminal drives said touch key-press light source through the said light source driving circuit of controlling said liquid crystal display module.
9. portable terminal according to claim 4 is characterized in that, said touch key-press light source is encapsulated on the said flexible printed circuit board through surface mount process.
10. portable terminal according to claim 4 is characterized in that said portable terminal also comprises light guiding film, and said light guiding film is arranged between said touch key-press module backlight and the said 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 true CN102314256A (en) | 2012-01-11 |
| CN102314256B CN102314256B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110265865.7A Expired - Fee Related CN102314256B (en) | 2011-09-08 | 2011-09-08 | Touch screen module and mobile terminal applied by same |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629165A (en) * | 2012-02-27 | 2012-08-08 | 华为终端有限公司 | Display assembly and terminal |
| CN103345316A (en) * | 2013-06-14 | 2013-10-09 | 业成光电（深圳）有限公司 | Electronic device with touch control function |
| CN103440059A (en) * | 2013-06-19 | 2013-12-11 | 业成光电（深圳）有限公司 | Touch screen module |
| WO2014019437A1 (en) * | 2012-08-01 | 2014-02-06 | 惠州Tcl移动通信有限公司 | Light guide assembly of screen soft keyboard characters and touch screen cell phone |
| CN103576985A (en) * | 2013-06-26 | 2014-02-12 | 友达光电股份有限公司 | Display device |
| CN103677138A (en) * | 2013-12-26 | 2014-03-26 | 华为终端有限公司 | Terminal |
| CN103677387A (en) * | 2012-09-03 | 2014-03-26 | 扬升照明股份有限公司 | Touch panel |
| CN103885631A (en) * | 2013-12-06 | 2014-06-25 | 友达光电股份有限公司 | Touch Display Device With Flexible Circuit Module |
| 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 |
| CN104155783A (en) * | 2013-05-14 | 2014-11-19 | 瀚宇彩晶股份有限公司 | Flat-panel display |
| CN104272887A (en) * | 2012-05-02 | 2015-01-07 | 三星电子株式会社 | Mounting structure for circuit boards in electronic device |
| CN104360768A (en) * | 2014-11-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| CN104793367A (en) * | 2015-04-24 | 2015-07-22 | 厦门天马微电子有限公司 | Touch display device |
| CN104919705A (en) * | 2012-11-15 | 2015-09-16 | 斯维奇比有限公司 | Modular touch switch |
| 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 |
| CN106293292A (en) * | 2016-07-29 | 2017-01-04 | 武汉华星光电技术有限公司 | A kind of mobile device |
| 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 |
| CN113110761A (en) * | 2021-04-19 | 2021-07-13 | 杭州纳帕科技有限公司 | WiFi embedded touch key screen |
| US11489523B2 (en) | 2018-11-13 | 2022-11-01 | Defond Electech Co., Ltd. | Touch control human machine interface |
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| CN101452128A (en) * | 2007-12-05 | 2009-06-10 | 群康科技(深圳)有限公司 | Touch control display device and electronic device |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013127333A1 (en) * | 2012-02-27 | 2013-09-06 | 华为终端有限公司 | Display assembly and terminal |
| CN102629165A (en) * | 2012-02-27 | 2012-08-08 | 华为终端有限公司 | Display assembly and terminal |
| CN102629165B (en) * | 2012-02-27 | 2014-12-10 | 华为终端有限公司 | Display assembly and terminal |
| CN104272887A (en) * | 2012-05-02 | 2015-01-07 | 三星电子株式会社 | Mounting structure for circuit boards in electronic device |
| US9615467B2 (en) | 2012-05-02 | 2017-04-04 | Samsung Electronics Co., Ltd | Mounting structure for circuit boards in electronic device |
| WO2014019437A1 (en) * | 2012-08-01 | 2014-02-06 | 惠州Tcl移动通信有限公司 | Light guide assembly of screen soft keyboard characters and touch screen cell phone |
| CN103677387A (en) * | 2012-09-03 | 2014-03-26 | 扬升照明股份有限公司 | Touch panel |
| CN104919705A (en) * | 2012-11-15 | 2015-09-16 | 斯维奇比有限公司 | Modular touch switch |
| CN104155783A (en) * | 2013-05-14 | 2014-11-19 | 瀚宇彩晶股份有限公司 | Flat-panel display |
| CN103345316A (en) * | 2013-06-14 | 2013-10-09 | 业成光电（深圳）有限公司 | Electronic device with touch control function |
| CN103440059A (en) * | 2013-06-19 | 2013-12-11 | 业成光电（深圳）有限公司 | Touch screen module |
| CN103440059B (en) * | 2013-06-19 | 2016-12-28 | 业成光电（深圳）有限公司 | touch screen module |
| CN103576985A (en) * | 2013-06-26 | 2014-02-12 | 友达光电股份有限公司 | Display device |
| CN103576985B (en) * | 2013-06-26 | 2016-06-29 | 友达光电股份有限公司 | Display device |
| CN103885631B (en) * | 2013-12-06 | 2017-01-18 | 友达光电股份有限公司 | touch display device with flexible circuit module |
| CN103885631A (en) * | 2013-12-06 | 2014-06-25 | 友达光电股份有限公司 | 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 |
| CN104360768A (en) * | 2014-11-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| WO2016074369A1 (en) * | 2014-11-10 | 2016-05-19 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| 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 |
| US10216301B2 (en) | 2014-11-10 | 2019-02-26 | Boe Technology Group Co., Ltd. | Touch display module and electronic display product |
| CN104793367A (en) * | 2015-04-24 | 2015-07-22 | 厦门天马微电子有限公司 | Touch display device |
| 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 |
| CN106293292A (en) * | 2016-07-29 | 2017-01-04 | 武汉华星光电技术有限公司 | A kind of mobile device |
| US11489523B2 (en) | 2018-11-13 | 2022-11-01 | Defond Electech Co., Ltd. | Touch control 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 |
| CN113110761A (en) * | 2021-04-19 | 2021-07-13 | 杭州纳帕科技有限公司 | WiFi embedded touch key screen |
| 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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| CN102314256B (en) | 2015-03-25 |
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Granted publication date: 20150325 |