CN104965613B - Touch screen - Google Patents
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- CN104965613B CN104965613B CN201510217469.5A CN201510217469A CN104965613B CN 104965613 B CN104965613 B CN 104965613B CN 201510217469 A CN201510217469 A CN 201510217469A CN 104965613 B CN104965613 B CN 104965613B
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- fingerprint recognition
- recognition chip
- blind hole
- touch screen
- chip
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Abstract
A kind of touch screen, including the substrate made of insulation transparent material, it is installed in the substrate inner surface one end part and is equipped with fingerprint recognition chip, blind hole is offered in substrate position corresponding with the fingerprint recognition chip, the fingerprint recognition chip is fixed to be located in the blind hole, is provided with insulation transparent glue in the gap between the fingerprint recognition chip and blind hole side wall.The present invention can prevent the immersion of the subtitle substances such as extraneous moisture, dust, and can also prevent fingerprint recognition chip on its interior from being wounded by electrostatic.
Description
Technical field
The present invention relates to a kind of touch technology, especially a kind of touch screen.
Background technique
With the fast development of the information industries such as information technology, wireless communication technique, demand of the people to electronic product with
Day all increasings, in order to make the more convenient people's operation of product and use, many electronic products start to be used as input defeated using touch screen
Device out, touch screen is as a kind of completely new man-machine communication's mode, because it has lively intuitive operation interface and meets human body
Use habit, in people's life and work, application is more and more extensive.
Traditional touch-control screen structure is mostly to cause the variation of associated electrical signals using human body touch and realize touch control operation function
Can, function is relatively simple, and due to itself not having human-body biological identification function, the relevant information of user is easy to outer
It lets out, in order to enhance the information security of touch screen Related product, prevents the relevant information of user from leaking, part manufacturer utilizes light
, acoustics, biosensor and biostatistics principle, and the physiological characteristic intrinsic according to human body, for example, face as, iris,
The uniqueness of the features such as fingerprint, designs and develops the touch screen for providing human body bio-identification function, and the touch screen of the type passes through
The physiological characteristic intrinsic to human body carries out identification verifying, to decide whether to start relative program, has safe and reliable etc. a variety of
Advantage, and the type touch-control screen structure it is most commonly seen be the touch screen with fingerprint identification function.
The common touch screen with fingerprint identification function generally includes transparent substrate and installation fixing position in described
The fingerprint recognition chip of bright substrate one end；To fix the fingerprint recognition chip, it will usually in the fixation fingerprint recognition chip
End offer through-hole compatible with the fingerprint recognition chip size and shape, and the fingerprint recognition chip is installed
In the installation through-hole；Although the fingerprint recognition chip fixation is more firm, due to installation using this kind of mounting means
It needs to open up through-hole on the transparent substrate surface when fingerprint recognition chip, it, certainly will be to transparent substrate when processing the through-hole
Intensity generate adverse effect；Also, because of the presence of the installation through-hole, user when touch screen Related product is used for a long time,
Human sweat, extraneous dust and other impurities can be entered inside touch screen Related product by the through-hole, and then make touch screen phase
The reliability and service life for closing product are affected.
To overcome above-mentioned tradition that there is fault of construction present in the touch screen of fingerprint identification function, Chinese Patent Application No.
CN201410344693.6 discloses a kind of fingerprint recognition touch screen, which passes through on the inside of touch-control panel substrate
Groove is set, then fingerprint recognition chip is fixed in the groove by way of being adhesively fixed；This kind of structure type
Therefore touch screen, can prevent fingerprint recognition chip by the leaching of extraneous sweat stain, moisture to a certain extent because its groove is blind hole
Stain and be damaged；But it finds in use, because the touch screen groove of this kind of structure type is square groove, in installation fingerprint recognition
When chip, inevitably there are gaps between the inner wall of the groove for fingerprint recognition chip, in this way, extraneous static is easy to alter
Enter in the gap, to wound the fingerprint recognition chip in the groove；In addition, in production touch screen to prevent light saturating
When covering layer (BM layers) crossed, photoresist used by related covering layer or ink material can not be attached on the side wall of square groove,
Cause touch screen to generate obvious color difference at groove setting, influence the appearance property of touch screen, therefore, it is necessary to such structure
Touch-control screen structure make improvement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of touch screen, which can prevent extraneous moisture, dust
The immersion of equal subtitle substances, and can also prevent fingerprint recognition chip on its interior from being wounded by electrostatic.
In order to solve the above technical problems, the present invention adopts the following technical solutions: the touch screen includes by insulation transparent material
Manufactured substrate installs in the substrate inner surface one end part and is equipped with fingerprint recognition chip, in the substrate and the finger
The corresponding position of line identification chip offers blind hole, and the fingerprint recognition chip is fixed to be located in the blind hole, in the fingerprint
Insulation transparent glue is provided in gap between identification chip and blind hole side wall, the blind hole is provided with down close to orifice position
Angle is covered with the covering layer for preventing light from penetrating at the chamfering.
The thickness of design concept according to the present invention, fingerprint recognition chip of the present invention is greater than blind hole depth.
Design concept according to the present invention, the outer surface of fingerprint recognition chip of the present invention are additionally provided with elastic insulated
Piece.
Compared with prior art, above-mentioned technical proposal of the present invention has following the utility model has the advantages that (1) refers to due to present invention installation
The position of line identification chip is blind hole, and therefore, compared with conventional touch screen, dust-proof or waterproof is preferable, and the present invention is in fingerprint
It is provided with insulation transparent glue in gap between identification chip and blind hole side wall, under the action of the insulation transparent glue, can prevent
Electrostatic is scurried into the gap between the fingerprint recognition chip and blind hole side wall, and then protects fingerprint recognition chip from static shock
Wound；(2) because blind hole of the invention is provided with chamfering close to orifice position, when the photoresist or ink of production covering layer are located at blind hole
When orifice position, which can form effective support to the photoresist or ink for making covering layer, prevent from generating at blind hole obvious
Color difference, and then can be promoted the aesthetic appearance of touch screen；(3) since the thickness of fingerprint recognition chip of the invention is greater than blind hole
Depth, in this way, can more easily make fingerprint recognition chip be positioned in blind hole when installing fingerprint recognition chip in blind hole；
(4) it since fingerprint recognition chip outer surface of the present invention is additionally provided with elastic insulated, is produced in touch screen of the invention for related
When on product, this elastic insulated can protect the fingerprint recognition chip to be crushed or damage by external force.
In order to solve the above technical problems, following technical proposals also can be used in the present invention: the touch screen includes saturating by insulation
First base material made of bright material and the second substrate, second substrate be located at first base material medial surface and with the first base material
It is affixed and is integrated, installed in the first base material medial surface one end part and be equipped with fingerprint recognition chip, in second substrate
Position corresponding with the fingerprint recognition chip offers through-hole, and the fingerprint recognition chip is pierced by and described out of this through-hole
Insulation transparent glue is provided in gap between fingerprint recognition chip and through-hole, in the first base material and the fingerprint recognition core
The corresponding position of piece offers blind hole, and the fingerprint recognition chip is fixed to be located in the blind hole, and in the fingerprint recognition core
Also insulation transparent glue is provided in gap between piece and blind hole side wall, the blind hole is provided with chamfering close to orifice position,
The covering layer for preventing light from penetrating is covered at the chamfering.
Design concept according to the present invention, the thickness of fingerprint recognition chip of the present invention are greater than blind hole depth and lead to described
The sum of hole depth.
Design concept according to the present invention, the outer surface of fingerprint recognition chip of the present invention are additionally provided with elastic insulated
Piece.
Compared with prior art, above-mentioned technical proposal of the present invention has following the utility model has the advantages that (1) due to the present invention includes the
One substrate and the second substrate, and the second substrate one end offers the through-hole passed through for fingerprint recognition chip, knows in the fingerprint
Other chip is provided with insulation transparent glue in the gap across the through-hole and through-hole and fingerprint recognition chip, saturating in the insulation
It under the action of gelatin, can prevent electrostatic from scurrying into the gap between the fingerprint recognition chip and blind hole side wall, and then protect and refer to
Line identification chip is from damage by static electricity；(2) since the position of first base material installation fingerprint recognition chip of the invention is set as blind
Hole, therefore, compared with conventional touch screen is set as the structure of through-hole, dust-proof or waterproof is preferable；(3) because blind hole of the invention is leaned on
Nearly orifice position is provided with chamfering, and when the photoresist or ink that make covering layer are located at the orifice position of blind hole, which can be right
The photoresist or ink for making covering layer form effective support, prevent from generating obvious color difference at blind hole, and then make the outer of touch screen
The property seen can be promoted；It (4), should since the thickness of fingerprint recognition chip of the invention is greater than the sum of blind hole depth and via depth
Kind structure can ensure that when installing fingerprint recognition chip, so that fingerprint recognition chip is positioned at blind hole and through-hole
It is interior, to improve installation effectiveness；(5) since fingerprint recognition chip outer surface of the present invention is additionally provided with elastic insulated, in this hair
When bright touch screen is on Related product, this elastic insulated can protect the fingerprint recognition chip to be pressed from both sides by external force
Wound or damage.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the present invention, and it includes substrate that touch screen, which is shown in the figure, and on substrate medial surface
The structure chart of fixed fingerprint recognition chip is directly set.
Fig. 2 is the A-A of Fig. 1 to schematic cross-sectional view, the figure shows the structural schematic diagram of first embodiment of the invention,
Blind hole in figure not yet installs fingerprint recognition chip.
Fig. 3 is the A-A of Fig. 1 to schematic cross-sectional view, the figure shows the structural schematic diagram of first embodiment of the invention,
Fingerprint recognition chip is installed in blind hole in the figure.
Fig. 4 is the A-A of Fig. 1 to schematic cross-sectional view, the figure shows the structural schematic diagram of second embodiment of the invention,
Blind hole in figure not yet installs fingerprint recognition chip.
Fig. 5 is the A-A of Fig. 1 to schematic cross-sectional view, the figure shows the structural schematic diagram of second embodiment of the invention,
Blind hole in figure is equipped with fingerprint recognition chip.
Specific embodiment
Firstly, it is necessary to be illustrated, touch-control screen structure of the invention can be used for OGS structure type, also be applicable to G
+ G, G+F and G+F+F structure type, for ease of understanding, individually below with the touch screen of OGS structure type, G+G, G+F and G
For the touch screen of+F+F structure type, the present invention is described in detail.
Referring to figure 1, figure 2 and figure 3, the touch screen in the embodiment is one chip touch screen, that is, OGS structure type comprising
Substrate 11, for substrate 11 as made by insulation transparent material, which can be alkali-free glass or transparent flexible resin
Plate, naturally it is also possible to be to have alkali glass；Transparent flexible resin plate can be two rouge of poly terephthalic acid second (PET), poly- methyl-prop
E pioic acid methyl ester (PMMA) or polycarbonate.
In order to improve the information security of touch screen Related product, in the present embodiment, in the inner surface one of the substrate 11
End position is provided with fingerprint recognition chip 21, and the fixed end position for being located at the substrate 11 of the fingerprint recognition chip 21 is
It prevents inside the immersion touch screen Related products of subtitle substances such as extraneous moisture, dust, the substrate 11 in the present embodiment is not opened
If through-hole, and connect fingerprint recognition chip 21 by way of bonding positioned at 11 medial surface of substrate.
And to improve the fingerprint recognition chip 21 in operation convenient for carrying out location and installation to fingerprint recognition chip 21
The sensitivity of touch in the present embodiment, offers blind in the substrate 11 position corresponding with the fingerprint recognition chip 21
Hole 31, the fingerprint recognition chip 21 is fixed by way of bonding to be located in the blind hole 31.
To prevent fingerprint recognition chip 21 from being wounded by extraneous static, in the present embodiment, fingerprint is bonded in blind hole 31 and is known
When other chip 21, it is provided with insulation transparent glue in the gap preferably between 31 side wall of the fingerprint recognition chip 21 and blind hole,
Insulation transparent glue-line 22 can be formed between 31 side wall of fingerprint recognition chip 21 and blind hole in this way, because of the insulation transparent glue-line 22
In the presence of avoidable extraneous static is scurried into the gap between the fingerprint recognition chip 21 and blind hole 31 and to fingerprint recognition chip
21 cause to damage.
To avoid generating obvious color difference at 31 position of blind hole, blind hole 31 of the invention is provided with chamfering close to orifice position
32；In this way, in shielding layer (BM layers) that the production of touch-control screen surfaces prevents light from penetrating, because of the aperture position of blind hole 31 of the invention
It installs and is equipped with chamfering 32, when making shielding layer, used photoresist or ink material be can adhere at the chamfering 32, and then keep away
Exempt to generate obvious color difference at 31 position of blind hole, the appearance property of touch screen is made to get a promotion.
For the ease of installing fingerprint recognition chip 21 of the invention, the production efficiency of touch screen is improved, in the present embodiment, institute
The thickness for stating fingerprint recognition chip 21 is greater than the depth of blind hole 31, because 21 thickness of fingerprint recognition chip is larger, therefore, fingerprint
When identification chip 21 is fixed in blind hole 31, very easily fingerprint recognition chip 21 can be placed in blind hole 31, assembled non-
It is often convenient.
In addition, for when the touch screen of the present embodiment is on Related product, prevent the fingerprint recognition chip 21 by
External force and crush or damage, the outer surface of the fingerprint recognition chip 21 is additionally provided with elastic insulated in the present embodiment
4, this elastic insulated 4 can be bubble silk floss, be also possible to insulation sheet rubber.
Referring to fig. 4 and Fig. 5, the touch screen of the embodiment is G+G, G+F or G+F+F structure type in touch screen comprising
First base material 51 and the second substrate 52, second substrate 52 be located at 51 medial surface of first base material and with the first base material 51
It is affixed and is integrated.
In the present embodiment, by made by insulation transparent material, the insulation is saturating for the first base material 51 and the second substrate 52
Bright material can be alkali-free glass or transparent flexible resin plate, naturally it is also possible to be to have alkali glass；Transparent flexible resin plate can be with
It is two rouge of poly terephthalic acid second (PET), polymethyl methacrylate (PMMA) or polycarbonate.
In order to improve the information security of touch screen Related product, in the present embodiment, in the inside table of the first base material 51
Face one end part, which installs, is equipped with fingerprint recognition chip 21, the fixed end for being located at the first base material 51 of the fingerprint recognition chip 21
Position.
And to improve the fingerprint recognition chip 21 in operation convenient for carrying out location and installation to fingerprint recognition chip 21
The sensitivity of touch in the present embodiment, is opened up in the first base material 51 position corresponding with the fingerprint recognition chip 21
There is blind hole 511, the fingerprint recognition chip 21 is fixed by way of bonding to be located in the blind hole 511.Meanwhile the present embodiment
In, through-hole 521, the fingerprint recognition are offered in second substrate 52 position corresponding with the fingerprint recognition chip 21
Chip 21 is pierced by out of this through-hole 521.Because in the present embodiment, first base material 51 is to the position for installing fingerprint recognition chip 21
Blind hole, rather than the through-hole communicated with the outside world can effectively prevent extraneous water when Related product applies the touch screen of the embodiment
Point, inside the immersion touch screen Related product of subtitle substances such as dust.
To prevent fingerprint recognition chip 21 from being wounded by extraneous static, in the present embodiment, the fingerprint recognition chip 21 with
It is provided with insulation transparent glue in 521 gap of through-hole of second substrate 52, likewise, in the fingerprint recognition chip 21 and the first base
Insulation transparent glue is also provided in gap between the blind hole 511 of material 51；In this way, in the fingerprint recognition chip 21 and through-hole
Insulation transparent glue-line 22 is formed between 521 and blind hole 511, because of the presence of the insulation transparent glue-line 22, can avoid extraneous static
It scurries between the fingerprint recognition chip 21 and through-hole 521 and blind hole 511 and fingerprint recognition chip 21 is caused to damage in gap
Wound.
In addition, be to avoid generating obvious color difference at 511 position of blind hole of first base material 51, it is described blind in the present embodiment
Hole 511 is also again provided with chamfering 512 close to orifice position；Because the orifice position of blind hole 511 is provided with chamfering 512, in touch-control
When shielding layer (BM layers) that screen surfaces production prevents light from penetrating, used photoresist or ink material can adhere to the chamfering
It at 512, can avoid generating obvious color difference because relative production material can not be adhered at 511 position of blind hole, make the outer of touch screen
Performance is seen to get a promotion.
In addition, improving the production efficiency of touch screen, this implementation for the ease of installing the fingerprint recognition chip 21 of the present embodiment
In example, the thickness of the fingerprint recognition chip 21 is greater than the sum of 512 depth of 511 depth of blind hole and through-hole, fingerprint recognition core
It, can be very easily because 21 thickness of fingerprint recognition chip is larger when piece 21 is fixed positioned at first base material 51 and the second 52 position of substrate
Fingerprint recognition chip 21 is placed in blind hole 511 and through-hole 512, is assembled very convenient.
Likewise, for when the touch screen of the present embodiment is on Related product, prevent the fingerprint recognition chip 21 by
It crushes or damages to external force, the outer surface of the fingerprint recognition chip 21 is additionally provided with elastic insulated in the present embodiment
Piece 4, this elastic insulated 4 can be bubble silk floss, be also possible to insulation sheet rubber.
Claims (6)
1. a kind of touch screen, including the substrate made of insulation transparent material are installed in the substrate inner surface one end part
It is equipped with fingerprint recognition chip, offers blind hole, the fingerprint in substrate position corresponding with the fingerprint recognition chip
Identification chip is fixed to be located in the blind hole, which is characterized in that in the gap between the fingerprint recognition chip and blind hole side wall
It is provided with insulation transparent glue, the blind hole is provided with chamfering close to orifice position, and being covered at the chamfering prevents light from penetrating
Covering layer.
2. touch screen as described in claim 1, which is characterized in that the thickness of the fingerprint recognition chip is greater than blind hole depth.
3. touch screen as claimed in claim 2, which is characterized in that the outer surface of the fingerprint recognition chip is additionally provided with elasticity
Insulating trip.
4. a kind of touch screen, including by first base material and the second substrate made of insulation transparent material, second substrate position
It is integrated in first base material medial surface and being affixed with the first base material, is installed in the first base material medial surface one end part
It is equipped with fingerprint recognition chip, which is characterized in that open up in second substrate position corresponding with the fingerprint recognition chip
There is through-hole, the fingerprint recognition chip is pierced by out of this through-hole and is arranged in the gap between the fingerprint recognition chip and through-hole
There is insulation transparent glue, offers blind hole, the fingerprint in first base material position corresponding with the fingerprint recognition chip
Identification chip is fixed to be located in the blind hole, and is also provided in the gap between the fingerprint recognition chip and blind hole side wall absolutely
Edge transparent adhesive tape, the blind hole are provided with chamfering close to orifice position, and the covering layer for preventing light from penetrating is covered at the chamfering.
5. touch screen as claimed in claim 4, which is characterized in that the thickness of the fingerprint recognition chip be greater than blind hole depth with
The sum of described via depth.
6. touch screen as claimed in claim 5, which is characterized in that the outer surface of the fingerprint recognition chip is additionally provided with elasticity
Insulating trip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217469.5A CN104965613B (en) | 2015-07-13 | 2015-07-13 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217469.5A CN104965613B (en) | 2015-07-13 | 2015-07-13 | Touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104965613A CN104965613A (en) | 2015-10-07 |
| CN104965613B true CN104965613B (en) | 2019-04-16 |
Family
ID=54219651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510217469.5A Active CN104965613B (en) | 2015-07-13 | 2015-07-13 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104965613B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10275631B2 (en) * | 2015-11-22 | 2019-04-30 | Htc Corporation | Electronic device and physiological characteristic identifying module |
| CN106201093A (en) * | 2016-07-15 | 2016-12-07 | 信利光电股份有限公司 | A kind of touch screen cover plate with fingerprint recognition and touch screen |
| CN106384091A (en) * | 2016-09-09 | 2017-02-08 | 深圳众思科技有限公司 | Method, structure and terminal for stacking fingerprint module and display screen |
| CN107977098B (en) * | 2016-10-21 | 2020-11-06 | 蓝思科技（长沙）有限公司 | Film for eliminating visual difference around blind hole and preparation method thereof |
| CN107977595A (en) * | 2016-10-25 | 2018-05-01 | 致伸科技股份有限公司 | Identification of fingerprint module |
| CN106598155A (en) * | 2016-12-20 | 2017-04-26 | 联想(北京)有限公司 | Electronic equipment |
| CN107800826A (en) * | 2017-10-31 | 2018-03-13 | 信利光电股份有限公司 | A kind of touch panel unit, electronic equipment and assembly method |
| CN112987970A (en) * | 2021-03-01 | 2021-06-18 | 维沃移动通信有限公司 | Display screen, preparation method of display screen and electronic equipment |
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| CN104407741A (en) * | 2014-12-10 | 2015-03-11 | 赣州市德普特科技有限公司 | Method for manufacturing touch screen with blind holes and glass panel of touch screen |
| CN104751131A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104766830A (en) * | 2015-04-02 | 2015-07-08 | 南昌欧菲生物识别技术有限公司 | Fingerprint sensor packaging structure, packaging method and electronic equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407741A (en) * | 2014-12-10 | 2015-03-11 | 赣州市德普特科技有限公司 | Method for manufacturing touch screen with blind holes and glass panel of touch screen |
| CN104751131A (en) * | 2015-03-06 | 2015-07-01 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device, touch screen and electronic equipment |
| CN104766830A (en) * | 2015-04-02 | 2015-07-08 | 南昌欧菲生物识别技术有限公司 | Fingerprint sensor packaging structure, packaging method and electronic equipment |
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| CN104965613A (en) | 2015-10-07 |
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