CN103592793A - Attaching method for FPC of touch liquid crystal display - Google Patents
Attaching method for FPC of touch liquid crystal display Download PDFInfo
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- CN103592793A CN103592793A CN201310542091.7A CN201310542091A CN103592793A CN 103592793 A CN103592793 A CN 103592793A CN 201310542091 A CN201310542091 A CN 201310542091A CN 103592793 A CN103592793 A CN 103592793A
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Abstract
The invention provides an attaching method for an FPC of a touch liquid crystal display. The method comprises the following steps that 1, a working platform is provided, and the touch liquid crystal display and the FPC are located and fixed to the working platform respectively; 2, an insulation board is provided and is placed between the pre-press-fit position and the touch liquid crystal display; 3, a tool bit is provided and heated, wherein the thickness of the tool bit is 0.7-0.9mm; 4, the tool bit is utilized to carry out press fit on the pre-press-fit position, and then the FPC is attached to the touch liquid crystal display. According to the attaching method for the FPC of the touch liquid crystal display, as the thickness of the tool bit is decreased and the insulation board is arranged between the tool bit and a polarizer, the polarizer on a CF substrate is effectively prevented from being scalded or warping, and then the quality of the touch liquid crystal display is ensured.
Description
Technical field
The present invention relates to touch LCD screen processing procedure field, relate in particular to the applying method of a kind of FPC of touch LCD screen.
Background technology
Along with the development of display technique, touch display unit is applied on the various equipment with Presentation Function more and more widely.When user approaches or touches the touch LCD screen surfaces of touch display unit with finger or conductive body, thereby the variation of the internal circuit shielding by touch LCD or electric capacity senses touch location, and responds.Common touch LCD screen normally fits together touch pad and LCDs, thus form can touch control display screen.
Touch display unit major part on existing market is backlight touch display unit, it comprises housing, is located at the touch LCD screen in housing and is located at the backlight module (Backlight module) in housing, because touch LCD screen itself is not luminous, so the light source that need to provide by backlight module carrys out normal show image.
Refer to Fig. 1, existing touch LCD screen generally comprises: display panels 100 and be attached to the touch pad 300 on display panels, described display panels 100 comprises the CF substrate 104 that TFT substrate 102, laminating relative to TFT substrate 102 arrange and is located at the liquid crystal layer 105 between this TFT substrate 102 and CF substrate 104, described TFT substrate 102 has the first polaroid 122 away from the surface label of CF substrate 104, and described CF substrate 104 is pasted with the second polaroid 142 on the surface away from TFT substrate 102.Described touch pad 300 comprises touch pad substrate 302, is formed at the touch-control circuit 304 on touch pad substrate 302 and is attached at the cover plate 306 on touch pad substrate 302, for the protection of this touch-control circuit 304.Liquid crystal molecule in these first and second polaroid 122,142 fluid,matching crystal layers 105 is selected light, and then realization shows, the deflection of liquid crystal molecule realizes by driving, driving circuit operated by rotary motion is at FPC (Flexible Printed Circuit, FPC), on 700, this FPC700 is attached on the offset position 130 forming between TFT substrate 100 and CF substrate 300.This FPC700 is generally attached on this offset position 130 by cutter pressing, and the cutter head of this cutter is generally 1.2mm, by heating this cutter head, FPC700 is fitted on offset position 130.
Development along with display technique, the thickness of liquid crystal indicator is more and more thinner, especially touch liquid crystal display device, setting due to touch-control circuit, make its thickness be difficult to reduce always, existing a kind of touch LCD screen is directly formed on liquid-crystalline glasses by touch-control circuit, can effectively reduce the thickness of touch LCD screen, but because the offset position on this kind of touch LCD screen is relatively little, when laminating FPC, due to the high temperature of cutter head, may scald the polaroid on CF substrate, or cause this polaroid generation warpage, cause touch LCD screen damage or scrap.
Summary of the invention
The object of the present invention is to provide the applying method of the FPC of a kind of touch LCD screen, it can effectively avoid polaroid on CF substrate to be burned or the phenomenon of warpage, promotes the quality of touch LCD screen.
For achieving the above object, the invention provides the applying method of a kind of FPC of touch LCD screen, comprise the following steps:
Step 1, provide workbench, and touch LCD screen is located respectively and is fixed on workbench with FPC;
Described touch LCD screen comprise the CF substrate of TFT substrate, fit setting relative to TFT substrate and be located at TFT substrate and CF substrate between liquid crystal layer, described CF substrate is formed with touch-control circuit away from the surface of TFT substrate, this touch-control circuit top is pasted with the first polaroid, between described TFT substrate and CF substrate, is formed with offset position; Described FPC is provided with connecting portion, and described connecting portion is used for connecting described offset position.
In described step 1, touch LCD screen is located respectively and is fixed on workbench with FPC, the connecting portion of described FPC is located on described offset position.
Described thermal insulation board is located between described offset position and the end face of CF substrate, the connecting portion that described pre-pressing position is FPC and the lap position of offset position.
The thickness of described cutter head is 0.8mm.
Described TFT substrate is pasted with the second polaroid on the surface away from CF substrate.
Beneficial effect of the present invention: the applying method of the FPC of touch LCD screen of the present invention, by the thickness of attenuate cutter head, simultaneously between cutter head and polaroid, thermal insulation board is set, can effectively avoids polaroid on CF substrate to be burned or the phenomenon of warpage, and then guaranteed the quality of touch LCD screen.
In order further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and explanation use, be not used for the present invention to be limited.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the structural representation of existing touch LCD screen;
Fig. 2 is the process flow diagram of applying method of the FPC of touch LCD of the present invention screen;
The work schematic diagram of the applying method laminating FPC that Fig. 3 is the FPC with touch LCD screen of the present invention.
Embodiment
Technological means and the effect thereof for further setting forth the present invention, taked, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Please consult Fig. 2 and Fig. 3, the invention provides the applying method of a kind of FPC of touch LCD screen, comprise the following steps:
Step 1, provide workbench 20, and touch LCD screen 22 is located respectively and is fixed on workbench 20 with FPC24.
Particularly, described touch LCD screen 22 comprise the CF substrate 224 of TFT substrate 222, fit setting relative to TFT substrate 222 and be located at TFT substrate 222 and CF substrate 224 between liquid crystal layer (not shown), described CF substrate 224 is formed with touch-control circuit 226 away from the surface of TFT substrate 222, these touch-control circuit 226 tops are pasted with the first polaroid 228, between described TFT substrate 222 and CF substrate 224, are formed with offset position 240; Described FPC24 is provided with connecting portion 242, and described connecting portion 242 is for connecting described offset position 240, and described TFT substrate 222 is pasted with the second polaroid 229 on the surface away from CF substrate 224.
In described step 1, touch LCD screen 22 is located respectively and is fixed on workbench 20 with FPC24, the connecting portion 242 of described FPC24 is located on described offset position 240.
Particularly, described thermal insulation board 40 can be used the heat-barrier material preparations such as glass fibre, asbestos, rock wool, silicate, to guarantee effect of heat insulation; It is located between described offset position 240 and the end face of CF substrate 224, is burned or occurs the situation of warpage with the first polaroid 228 of avoiding causing due to heating in successive process.The connecting portion 242 that described pre-pressing position is FPC24 and the lap position of offset position 240.
Preferably, the thickness of described cutter head 60 is 0.8mm, and for existing cutter head thickness 1.2mm, it reduces the thickness of cutter head 60, and to avoid the first polaroid 228, avoiding in pressing is to scald the first polaroid 228.
In sum, the applying method of the FPC of touch LCD screen of the present invention, by the thickness of attenuate cutter head, arranges thermal insulation board simultaneously between cutter head and polaroid, can effectively avoid polaroid on CF substrate to be burned or the phenomenon of warpage, and then guarantee the quality of touch LCD screen.
The above, for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of the claims in the present invention.
Claims (6)
1. an applying method of the FPC of touch LCD screen, is characterized in that, comprises the following steps:
Step 1, provide workbench, and touch LCD screen is located respectively and is fixed on workbench with FPC;
Step 2, provide thermal insulation board, and this thermal insulation board is placed between pre-pressing position and touch LCD screen;
Step 3, provide cutter head, and heat this cutter head, the thickness of this cutter head is 0.7-0.9mm;
Step 4, with cutter head, in pre-pressing position, carry out pressing, and then FPC is attached on touch LCD screen.
2. the FPC applying method that touch LCD as claimed in claim 1 shields, it is characterized in that, described touch LCD screen comprise the CF substrate of TFT substrate, fit setting relative to TFT substrate and be located at TFT substrate and CF substrate between liquid crystal layer, described CF substrate is formed with touch-control circuit away from the surface of TFT substrate, this touch-control circuit top is pasted with the first polaroid, between described TFT substrate and CF substrate, is formed with offset position; Described FPC is provided with connecting portion, and described connecting portion is used for connecting described offset position.
3. the FPC applying method of touch LCD screen as claimed in claim 2, is characterized in that, in described step 1, touch LCD screen is located respectively and is fixed on workbench with FPC, and the connecting portion of described FPC is located on described offset position.
4. the FPC applying method of touch LCD screen as claimed in claim 3, is characterized in that, described thermal insulation board is located between described offset position and the end face of CF substrate, the connecting portion that described pre-pressing position is FPC and the lap position of offset position.
5. the FPC applying method of touch LCD screen as claimed in claim 1, is characterized in that, the thickness of described cutter head is 0.8mm.
6. the FPC applying method of touch LCD screen as claimed in claim 1, is characterized in that, described TFT substrate is pasted with the second polaroid on the surface away from CF substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542091.7A CN103592793A (en) | 2013-11-05 | 2013-11-05 | Attaching method for FPC of touch liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542091.7A CN103592793A (en) | 2013-11-05 | 2013-11-05 | Attaching method for FPC of touch liquid crystal display |
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| CN103592793A true CN103592793A (en) | 2014-02-19 |
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| CN201310542091.7A Pending CN103592793A (en) | 2013-11-05 | 2013-11-05 | Attaching method for FPC of touch liquid crystal display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105116482A (en) * | 2015-09-01 | 2015-12-02 | 昆山龙腾光电有限公司 | Polarizer plate, display panel structure and display device |
| CN110544655A (en) * | 2019-09-03 | 2019-12-06 | 云谷（固安）科技有限公司 | Binding device and binding method |
| CN114675759A (en) * | 2022-04-22 | 2022-06-28 | 昆山国显光电有限公司 | The technical field of touch circuit boards and display modules |
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|---|---|---|---|---|
| CN105116482A (en) * | 2015-09-01 | 2015-12-02 | 昆山龙腾光电有限公司 | Polarizer plate, display panel structure and display device |
| CN110544655A (en) * | 2019-09-03 | 2019-12-06 | 云谷（固安）科技有限公司 | Binding device and binding method |
| CN110544655B (en) * | 2019-09-03 | 2021-09-14 | 云谷（固安）科技有限公司 | Binding device and binding method |
| CN114675759A (en) * | 2022-04-22 | 2022-06-28 | 昆山国显光电有限公司 | The technical field of touch circuit boards and display modules |
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