CN104461114A - Touch panel - Google Patents
Touch panel Download PDFInfo
- Publication number
- CN104461114A CN104461114A CN201410333187.7A CN201410333187A CN104461114A CN 104461114 A CN104461114 A CN 104461114A CN 201410333187 A CN201410333187 A CN 201410333187A CN 104461114 A CN104461114 A CN 104461114A
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- flexible printed
- base plate
- touch base
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to the field of the touch technique and provides a touch panel. The touch panel comprises a cover plate, a touch substrate and a gluing piece, wherein the cover plate is provided with an upper surface and a lower surface, a shading layer is arranged on the peripheral area of the cover plate, at least one flexible printed circuit board is arranged on the peripheral area of the touch substrate, and the gluing piece is located between the cover plate and the flexible printed circuit board. The flexible printed circuit board and the cover plate can be glued through the gluing piece, so that the problem that glue seepage occurs due to the fact that the flexible printed circuit board is located in liquid optical curing glue and can not be cured completely is avoided.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to a kind of contact panel.
Background technology
In recent years, contact panel has been widely used in all kinds of electronic devices, as mobile phone, palmtop computer etc.Contact panel is generally stacked on display panel and is integrated into the input output interface of touch control display apparatus ， And as touch control display apparatus.
Contact panel comprises a transparent cover plate, and transparent cover plate neighboring area is provided with a light shield layer; One with the sensing substrate of flexible printed circuit board; Wherein, transparent cover plate is pasted with the sensing substrate with flexible printed circuit board mutually through liquid photo-curable glue (Liquid OpticalCuring Adhesive, LOCA).When irradiating light from transparent cover plate side, because transparent cover plate periphery is provided with a light shield layer, the liquid photo-curable glue that light cannot be irradiated to corresponding to light shield layer region makes it solidify completely; When irradiating light from sensing substrate side, because the flexible printed circuit board sensing substrate is lighttight, the liquid photo-curable glue that light cannot be irradiated to corresponding to flexible printed circuit board region makes it solidify completely.When no matter which face to irradiate light from, light all cannot be irradiated to the liquid photo-curable glue corresponding to flexible printed circuit board region.Therefore, the liquid photo-curable glue corresponding to flexible printed circuit board region after completely crued contact panel leaves standstill a period of time, cannot will there will be the problem of strike-through, and then all produce significant impact by the reliability and stability of product.
Summary of the invention
In order to solve the problem of above-mentioned contact panel liquid optical cement layer strike-through, the present invention adopts a film to be arranged between described printed circuit board (PCB) and described cover plate, cannot solidify completely to avoid the liquid photo-curable glue corresponding to flexible printed circuit board region.
The present invention carries a kind of contact panel, comprising: a cover plate, has a upper surface and a lower surface, and has a light shield layer in described cover plate neighboring area; One touch base plate, described touch base plate neighboring area arranges at least one flexible printed circuit board; And film is between described cover plate and described flexible printed circuit board.
Further, described contact panel more comprises: a liquid photo-curable glue-line, and between described cover plate with described touch base plate, ， And is disposed adjacent with described film and not overlapped.
Further, the shape of described film is rectangle.Described film is more than or equal to the width of described flexible printed circuit board along the edge of touch base plate described in place along the width at the edge of touch base plate described in described flexible printed circuit board place.When the width of described film along the edge of touch base plate described in described flexible printed circuit board place overlaps with the And such as width Xiang Deng of described flexible printed circuit board along the edge of touch base plate described in place.When described film is greater than the width of described flexible printed circuit board along the edge of touch base plate described in place along the width at the edge of touch base plate described in described flexible printed circuit board place, and cover the described flexible printed circuit board along described touch base plate edge completely.
Further, described contact panel more comprises at least one auxiliary film, and between described touch base plate and described cover plate Zhi, And is positioned on the neighboring area of described touch base plate.
Further, the shape of described film is annular.
Further, described light shield layer is positioned at described cover plate that side towards described flexible printed circuit board.Or described light shield layer is positioned at described cover plate that side back to described flexible printed circuit board.Or it is inner that described light shield layer embeds described cover plate.
Further, described film is acrylic system glue or silicon system glue.
Further, described film is solid-state glue.Described film is double faced adhesive tape or sheet-form optical solidification glue.
Further, the number of described flexible printed circuit board is two.
In sum, a kind of contact panel that the embodiment of the present invention provides has a film.Described film is between described flexible printed circuit board and described cover plate, and described flexible printed circuit board and described cover plate can be pasted, avoid liquid photo-curable glue to rest on lighttight flexible printed circuit board place, and then there is the problem of strike-through because liquid photo-curable glue cannot solidify completely in solution.
Accompanying drawing explanation
Fig. 1 is the vertical view of the contact panel that first embodiment of the invention provides;
Fig. 2 is the sectional view of Fig. 1 along profile line AA ';
Fig. 3 is the structural representation of the touch base plate that first embodiment of the invention provides;
Fig. 4 is the structural representation of the touch base plate that second embodiment of the invention provides;
Fig. 5 is the structural representation of the touch base plate that third embodiment of the invention provides;
Fig. 6 is the structural representation of the touch base plate that fourth embodiment of the invention provides; And
Fig. 7 is the structural representation of the touch base plate that fifth embodiment of the invention provides.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Please refer to Fig. 1 to Fig. 3; Wherein, Fig. 1 is the vertical view of the contact panel that first embodiment of the invention provides; Fig. 2 is the sectional view of Fig. 1 along profile line AA '; And Fig. 3 is the structural representation of the touch base plate that first embodiment of the invention provides.In this embodiment, contact panel 100 comprises cover plate 1, light shield layer 2, film 3, flexible printed circuit board 4, touch base plate 5 and liquid photo-curable glue-line 6, and its cover plate 1 is oppositely arranged with touch base plate 5.
Cover plate 1 has a upper surface A and a lower surface B, and has light shield layer 2 in cover plate 1 neighboring area.The upper surface A of cover plate 1 can for touching and display frame.The material of cover plate 1 is realized by clear glass or transparent plastic, but this Fa Ming And is not as limit.
In the present embodiment, light shield layer 2 is covered in the neighboring area of lower surface B of cover plate 1.Light shield layer 2 is made up of opaque material usually, such as ink or dark-coloured photoresistance, cover plate 1 to be divided into a viewing area N and the non-viewing area M around viewing area N, the region that namely on cover plate 1, light shield layer 2 covers is non-viewing area M, and itself and region are viewing area N.Specifically, light shield layer 2 directly can be formed at the lower surface of cover plate 1 through the mode of printing-ink or coating photoresistance.According to the demand of actual product design and construction, light shield layer 2 can be arranged at the upper surface of cover plate 1 or embed the inside of cover plate 1, and this sends out And bright not as limit.
Touch base plate 5 is arranged at the relative side of the lower surface B of cover plate 1.The touch base plate 5 corresponding to non-viewing area M arranges at least one flexible printed circuit board 4.Touch base plate 5 is laid one deck touch control induction circuit layer (not illustrating), the wire that a plurality of and touch-control sensing electrode that touch control induction circuit layer comprises the touch-control sensing electrode that is positioned at viewing area N and is positioned at non-viewing area M are electrically connected.Wherein, wire and flexible printed circuit board 4 are electrically connected ， And and the touching signals that touch-control sensing electrode detects are delivered to flexible printed circuit board 4, to realize touch controllable function.Light shield layer 2 is positioned at plural wires below cover plate 1 and flexible printed circuit board 4 for blocking.In the present embodiment, the number touch base plate 5 of the non-viewing area M of corresponding what being arranged flexible printed circuit board 4 is 1.According to the demand of actual product design and construction, the number of flexible printed circuit board 4 can be 2,4 etc., and this sends out And bright not as limit.
Film 3 is in non-viewing area M and between cover plate 1 and flexible printed circuit board 4.Wherein, film 3 is more than or equal to the width d2 of flexible printed circuit board 4 along the edge of place touch base plate 5 along the width d1 at the edge of flexible printed circuit board 4 place touch base plate 5.In this embodiment, the shape of film 3 is rectangular in fact, and film 3 overlaps along the width d1 at the edge of flexible printed circuit board 4 place touch base plate 5 with the width d2 Xiang Deng And of flexible printed circuit board 4 along the edge of place touch base plate 5.Such as, but in practice, the shape of film 3 can design according to actual product application demand, and can be designed to trapezoidal or any other geometric configuration, this Shi Shi Li And is not as limit.
The material of film 3 can select solid-state glue or non-optical solidification liquid glue.The material of film 3 can be selected from silicon system glue or acrylic system glue, and this And of Dan invents not as limit.When the material of film 3 is solid-state glue, such as double sticky tape or solid state optics glue (Optical Clear Adhesive, OCA), can directly be sticked film 3 above flexible printed circuit board 4.When the material of film 3 is non-optical solidification liquid glue, such as liquid temperature solidity solidification glue, above flexible printed circuit board 4, be first coated with a liquid temperature solidity solidification glue, first to be formed the semi-solid preparation film 3 of the certain viscosity of tool, definite shape with specific technique through firing equipment after, until follow-up complete assembling after solidify completely through firing equipment again.
Liquid photo-curable glue-line 6 is arranged between cover plate 1 and touch base plate 5, to bond cover plate 1 and touch base plate 5.The material selection UV-light photocuring glue of liquid photo-curable glue-line 6, but be not limited thereto.First liquid photo-curable glue is placed in And Shang touch base plate 5 by the mode of coating and avoids film 3, secondly contacted with liquid photo-curable glue and film 3 by the lower surface B of cover plate 1, liquid photo-curable adhesive curing can be become liquid photo-curable glue-line 6 through touch base plate 5 by last light source.Film 3 ， And between flexible printed circuit board 4 with cover plate 1 is disposed adjacent with liquid photo-curable glue-line 6 and not overlapped.Film 3 can sticking flexible printed circuit board (PCB) 4 and cover plate 1, avoids liquid photo-curable glue to rest on lighttight flexible printed circuit board 4 place, and then solves and occur the problem of liquid photo-curable glue strike-through because liquid photo-curable glue cannot solidify completely.
As shown in Figure 4, Fig. 4 is the structural representation of the touch base plate of the present invention second preferred embodiment.The present embodiment provides a contact panel 200, identical with contact panel 100 structural substrate that above-mentioned first embodiment provides, difference is: film 3 is greater than the width d2 of flexible printed circuit board 4 along the edge of place touch base plate 5 along the width d1 at the edge of flexible printed circuit board 4 place touch base plate 5, and covers the flexible printed circuit board along touch base plate 5 edge completely.
As shown in Figure 5, Fig. 5 is the structural representation of the touch base plate that third embodiment of the invention provides.The present embodiment provides a contact panel 300, and identical with contact panel 100 structural substrate that above-mentioned first embodiment provides, difference is: the shape of film 3 is an annular, in non-viewing area M and between cover plate 1 and flexible printed circuit board 4.The film 3 of annular can control the thickness of liquid photo-curable glue-line 6, and prevents liquid photo-curable glue from overflowing as gear dam.
As shown in Figure 6, Fig. 6 is the structural representation of the touch base plate that fourth embodiment of the invention provides.The present embodiment provides a contact panel 400, identical with contact panel 100 structural substrate that above-mentioned first embodiment provides, difference is: contact panel 300 also comprises at least one auxiliary film 7, and between touch base plate 5 and cover plate 1 Zhi, And is positioned on the neighboring area of touch base plate 5.Separately, liquid photo-curable glue-line 6 is adjacent with auxiliary film 3 but not overlapped.Wherein, between each auxiliary film 7, remain with certain space, and auxiliary between film 7 and film 3, retain certain gap.The ring frame that one has gap is formed between each auxiliary film 7 and film 3.The ring frame with gap can control the thickness of liquid photo-curable glue-line 6, in addition, can also have the function of Accelerating Removal air, makes in adhesion process, not easily to remain bubble between cover plate 1 and touch base plate 5.
In the present embodiment, auxiliary film 7 adopts identical material with film 3 and completes in same procedure.In other embodiments, auxiliary selecting materials of film 7 can be different from film 3.Auxiliary film 7 can be formed respectively from film 3 in different procedure.The present invention is not as limit.
As shown in Figure 7, Fig. 7 is the structural representation of the touch base plate that fifth embodiment of the invention provides.The present embodiment provides a contact panel 500, and the contact panel provided with above-mentioned first embodiment assists difference to be: contact panel 500 has two flexible printed circuit boards 4.In the present embodiment, two flexible printed circuit boards 4 lay respectively at the opposite side of touch base plate 5, and two films 3 are between flexible printed circuit board 4 and cover plate 1 and correspond respectively to two flexible printed circuit boards 4 and arrange.
In sum, a kind of contact panel that the embodiment of the present invention provides has a film.Film is between flexible printed circuit board and cover plate, and can sticking flexible printed circuit board (PCB) and cover plate, avoid liquid photo-curable glue to rest on lighttight flexible printed circuit board place, and then there is the problem of strike-through because liquid photo-curable glue cannot solidify completely in solution.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (15)
1. a contact panel, is characterized in that, comprising:
One cover plate, has a upper surface and a lower surface, and has a light shield layer in described cover plate neighboring area;
One touch base plate, arranges at least one flexible printed circuit board in the neighboring area of described touch base plate; And
Film, between described cover plate and described flexible printed circuit board.
2. contact panel according to claim 1, is characterized in that, more comprises: a liquid photo-curable glue-line, and between described cover plate with described touch base plate, ， And is disposed adjacent with described film and not overlapped.
3. contact panel according to claim 2, is characterized in that, the shape of described film is rectangle.
4. contact panel according to claim 3, is characterized in that, described film is more than or equal to the width of described flexible printed circuit board along the edge of touch base plate described in place along the width at the edge of touch base plate described in described flexible printed circuit board place.
5. contact panel according to claim 4, it is characterized in that, described film overlaps along the width at the edge of touch base plate described in described flexible printed circuit board place with the width Xiang Deng And of described flexible printed circuit board along the edge of touch base plate described in place.
6. contact panel according to claim 4, it is characterized in that, described film is greater than the width of described flexible printed circuit board along the edge of touch base plate described in place along the width at the edge of touch base plate described in described flexible printed circuit board place, and covers the described flexible printed circuit board along described touch base plate edge completely.
7. contact panel according to claim 3, is characterized in that, more comprises: at least one auxiliary film, and between described touch base plate and described cover plate Zhi, And is positioned on the neighboring area of described touch base plate.
8. contact panel according to claim 1 and 2, is characterized in that, the shape of described film is annular.
9. contact panel according to claim 1 and 2, is characterized in that, described light shield layer is positioned at described cover plate that side towards described flexible printed circuit board.
10. contact panel according to claim 1 and 2, is characterized in that, described light shield layer is positioned at described cover plate that side back to described flexible printed circuit board.
11. contact panels according to claim 1 and 2, is characterized in that, it is inner that described light shield layer embeds described cover plate.
12. contact panels according to claim 1 and 2, is characterized in that, described film is acrylic system glue or silicon system glue.
13. contact panels according to claim 12, is characterized in that, described film is solid-state glue.
14. contact panels according to claim 13, is characterized in that, described film is double faced adhesive tape or sheet-form optical solidification glue.
15. contact panels according to claim 1 and 2, is characterized in that, the number of described flexible printed circuit board is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333187.7A CN104461114A (en) | 2013-09-13 | 2014-07-07 | Touch panel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418007 | 2013-09-13 | ||
| CN2013104180070 | 2013-09-13 | ||
| CN201410333187.7A CN104461114A (en) | 2013-09-13 | 2014-07-07 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104461114A true CN104461114A (en) | 2015-03-25 |
Family
ID=52207513
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410333187.7A Pending CN104461114A (en) | 2013-09-13 | 2014-07-07 | Touch panel |
| CN201420386193.4U Expired - Fee Related CN204066050U (en) | 2013-09-13 | 2014-07-07 | Contact panel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420386193.4U Expired - Fee Related CN204066050U (en) | 2013-09-13 | 2014-07-07 | Contact panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104461114A (en) |
| TW (2) | TWI565384B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511149A (en) * | 2016-01-28 | 2016-04-20 | 京东方科技集团股份有限公司 | Display panel and display device |
| TWI552051B (en) * | 2015-07-29 | 2016-10-01 | 達鴻先進科技股份有限公司 | Touch panel |
| CN106155431A (en) * | 2015-03-31 | 2016-11-23 | 南昌欧菲光学技术有限公司 | Thin film touch sensing assembly, capacitance touch screen and attaching process thereof |
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| CN108984022A (en) * | 2018-06-20 | 2018-12-11 | 京东方科技集团股份有限公司 | Touch panel and display module |
| CN112526780A (en) * | 2020-12-10 | 2021-03-19 | 业成科技（成都）有限公司 | Cover plate assembly and display device using same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461114A (en) * | 2013-09-13 | 2015-03-25 | 长鸿光电(厦门)有限公司 | Touch panel |
| KR102464846B1 (en) * | 2016-03-14 | 2022-11-09 | 삼성디스플레이 주식회사 | Method of assembling display device and the display device assembled thereby |
| CN109448542B (en) * | 2018-09-29 | 2021-07-09 | 广州国显科技有限公司 | Display screen cover plate and display screen with same |
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| TWM424511U (en) * | 2011-10-25 | 2012-03-11 | rong-feng Lin | Cover plate structure with atomized layer |
| CN103853366B (en) * | 2012-11-29 | 2017-07-11 | 宸鸿科技(厦门)有限公司 | Apply the adhesive layer and preparation method thereof in contact panel |
-
2014
- 2014-07-07 CN CN201410333187.7A patent/CN104461114A/en active Pending
- 2014-07-07 CN CN201420386193.4U patent/CN204066050U/en not_active Expired - Fee Related
- 2014-08-06 TW TW103126944A patent/TWI565384B/en not_active IP Right Cessation
- 2014-08-06 TW TW103213987U patent/TWM495565U/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102109629A (en) * | 2010-12-10 | 2011-06-29 | 友达光电股份有限公司 | Display structure, polarizing structure and method for pasting touch panel on liquid crystal panel |
| US20120228106A1 (en) * | 2011-03-09 | 2012-09-13 | Alps Electric Co., Ltd. | Input device and method of manufacturing input device |
| CN102184049A (en) * | 2011-05-27 | 2011-09-14 | 瀚斯宝丽显示科技（南京）有限公司 | Glue-overflow-preventing stitching structure and method for flexible circuit board for touch screen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155431A (en) * | 2015-03-31 | 2016-11-23 | 南昌欧菲光学技术有限公司 | Thin film touch sensing assembly, capacitance touch screen and attaching process thereof |
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| TWI552051B (en) * | 2015-07-29 | 2016-10-01 | 達鴻先進科技股份有限公司 | Touch panel |
| CN105511149A (en) * | 2016-01-28 | 2016-04-20 | 京东方科技集团股份有限公司 | Display panel and display device |
| US10007141B2 (en) | 2016-01-28 | 2018-06-26 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN105511149B (en) * | 2016-01-28 | 2020-03-31 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN108984022A (en) * | 2018-06-20 | 2018-12-11 | 京东方科技集团股份有限公司 | Touch panel and display module |
| CN108984022B (en) * | 2018-06-20 | 2022-03-01 | 京东方科技集团股份有限公司 | Touch panel and display module |
| CN112526780A (en) * | 2020-12-10 | 2021-03-19 | 业成科技（成都）有限公司 | Cover plate assembly and display device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201511631A (en) | 2015-03-16 |
| TWM495565U (en) | 2015-02-11 |
| CN204066050U (en) | 2014-12-31 |
| TWI565384B (en) | 2017-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |