CN208607633U - Fingerprint touch pad under a kind of screen - Google Patents
Fingerprint touch pad under a kind of screen Download PDFInfo
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- CN208607633U CN208607633U CN201821226656.5U CN201821226656U CN208607633U CN 208607633 U CN208607633 U CN 208607633U CN 201821226656 U CN201821226656 U CN 201821226656U CN 208607633 U CN208607633 U CN 208607633U
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- pet film
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- cover board
- transparent glass
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Abstract
Fingerprint touch pad under a kind of screen provided by the utility model, it include: transparent glass cover board, transparent glass cover board side has been sequentially arranged PET film and display screen, transparent glass cover board, PET film and display screen form multi-layer compound structure, one side surface of transparent glass cover board towards PET film is provided with conductive circuit layer, one side surface of PET film towards transparent glass cover board is provided with identification layer, and conductive circuit layer is bonded with the identification layer of PET film, and the PET film other side fits with display screen.Optical finger print identification is made into the surface that display screen is arranged in one layer of identification layer fitting by the utility model, the problem of fuselage thickness can not only be mitigated, the speed for shielding lower fingerprint recognition can be improved simultaneously, conductive circuit layer after solidifying simultaneously, which is bonded with PET film and display screen by OCA optical cement, to be integrated, the generation of bubble when effectively reducing fitting, to guarantee the higher yield of product, structure novel is practical.
Description
Technical field:
The utility model relates to touch screen technology fields, and in particular to fingerprint touch pad under a kind of screen.
Background technique:
Due to shielding the prevalence of concept comprehensively, no matter conventional fingerprint unlock is scraped using front or pressing mode unlocks, still
It is unlocked using the back side, can all influence the appearance of the smart machines such as mobile phone.Fingerprint recognition needs fingerprint collecting window, certainly will will affect screen
Accounting, therefore shield lower fingerprint and come into being.
Shield lower fingerprint identification technology, be also stealthy fingerprint technique, is by completing fingerprint recognition unlock below screen glass
The new technology of process can penetrate a variety of different materials, to reach knowledge mainly using through-transmission techniques such as ultrasonic wave, optics
The purpose of other fingerprint.
Fingerprint under so-called screen, the identification technology accomplished below in screen just referred to are contacted without finger with fingerprint module.
What the technology was most expected is ultrasonic fingerprint means of identification, can truly realize the lower unlocked by fingerprint of screen, directly shield
It is unlocked on curtain, does not need back fingerprint induction recess, also do not need preposition fingerprint sensing device, or even be also able to achieve finger under water
Line unlocking process, but at present common issue is that, mobile phone could be unlocked by shielding lower fingerprint and needing to hang on after pressing, and current
General fingerprint identification is longer compared to the waiting time.
It is, therefore, desirable to provide fingerprint touch pad under a kind of more applicable screen, to solve the above problems.
Utility model content:
The purpose of the utility model is to provide fingerprints under the screen that one kind can effectively improve the speed for shielding lower fingerprint recognition to touch
Touch screen.
To achieve the above object, the utility model uses following technical scheme:
Fingerprint touch pad under a kind of screen provided by the utility model, comprising: transparent glass cover board, the transparent glass cover board
Side has been sequentially arranged PET film and display screen, and the transparent glass cover board, PET film and display screen form MULTILAYER COMPOSITE knot
Structure, a side surface of the transparent glass cover board towards the PET film are provided with conductive circuit layer, the PET film direction
One side surface of the transparent glass cover board is provided with identification layer, the identification layer patch of the conductive circuit layer and the PET film
It closes, the PET film other side fits with the display screen.
The identification layer is that CMOS optical finger print identification sensor is prepared.
The transparent glass cover board is led described in formation towards the side surface metallization electrically conductive ink of the PET film
Electric line layer.
The conductive circuit layer includes a plurality of along transparent glass cover board length direction offer driving signal disposed in parallel
Drive line and a plurality of detection lines along transparent glass cover board width direction offer capacitively coupled signal disposed in parallel, the drive
Moving-wire and the infall of detection lines form capacitive node.
The driving line is arranged in a mutually vertical manner in the horizontal direction with the detection lines.
The identification layer of the conductive circuit layer and the PET film is fitted by OCA optical cement, and the PET film is another
Side is fitted with the display screen by OCA optical cement.
Under a kind of screen of the utility model fingerprint touch pad the utility model has the advantages that the touch screen of the utility model be MULTILAYER COMPOSITE knot
Structure, and conductive circuit layer is integrated to transparent glass cover board side, so that the thickness of entire touch screen is thinned, and by optics
The problem of fingerprint recognition is made into the surface that display screen is arranged in one layer of identification layer fitting, can not only mitigate fuselage thickness, simultaneously
The speed for shielding lower fingerprint recognition can be improved, while conductive circuit layer and PET film after solidify and display screen pass through OCA optics
Sticker is integrated, the generation of bubble when effectively reducing fitting, to guarantee the higher yield of product, structure novel is real
It is strong with property.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of fingerprint touch pad under a kind of screen of the utility model；
In figure: 1- transparent glass cover board, 2- conductive circuit layer, 3-OCA optical cement, 4- identification layer, 5-PET film, 6- are aobvious
Display screen.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
According to Fig. 1, fingerprint touch pad under a kind of screen provided by the utility model, comprising: transparent glass cover board 1, institute
It states 1 side of transparent glass cover board and has been sequentially arranged PET film 5 and display screen 6, the transparent glass cover board 1, PET film 5 and aobvious
Display screen 6 forms multi-layer compound structure, and a side surface of the transparent glass cover board 1 towards the PET film 5 is provided with conductor wire
Conductive circuit layer 2 is integrated to 1 side of transparent glass cover board by road floor 2, so that the thickness of entire touch screen is thinned, it is described
One side surface of PET film 5 towards the transparent glass cover board 1 is provided with identification layer 4, and specifically, the identification layer 4 is CMOS
Optical finger print identification sensor is prepared, and the identification layer 4 of the conductive circuit layer 2 and the PET film 5 passes through OCA optics
Glue 3 fits, and 5 other side of PET film is fitted with the display screen 6 by OCA optical cement 3, it can be ensured that is bonded to each other
Adhesive face it is smooth, not easily to fall off, the service life is longer, and when effectively reducing fitting bubble generation, to guarantee to produce
The higher yield of product.
Further, the transparent glass cover board 1 towards the PET film 5 side surface metallization electrically conductive ink,
Form the conductive circuit layer 2；And the conductive circuit layer 2 includes a plurality of disposed in parallel along transparent glass cover board length direction
The driving line of driving signal is provided and a plurality of provides capacitively coupled signal along transparent glass cover board width direction is disposed in parallel
The infall of detection lines, the driving line and detection lines forms capacitive node, it is preferable that the driving line and the detection lines edge
Horizontal direction is arranged in a mutually vertical manner.
A preparation process of fingerprint touch pad under a kind of screen of the utility model is described in detail with reference to the accompanying drawing:
Transparent glass cover board 1 ultra-thin currently on the market is selected, recognition speed can be improved in fingerprint recognition, and covering
The lower surface of glass sheet makes conductive circuit layer 2:
Metallic conductive inks are coated in by its surface using screen printing apparatus i.e. below transparent glass cover board 1, are formed
Conductive circuit layer 2, and be along transparent glass cover board length direction and width direction be respectively arranged with X-direction induction module and
Y-direction induction module, the X-direction induction module include the driving line of a plurality of offer driving signal, and Y-direction induction module includes
It is a plurality of that the detection lines of capacitively coupled signal are provided, drive line and the infall of detection lines to form capacitive node；
Then the conductive circuit layer on transparent glass cover board 12 will be printed in and carry out curing process, cured temperature range
80-150 DEG C, time 10-50min；
CMOS optical finger print identification sensor is prepared into transparent identification layer 4 on a pet film；
The identification layer 4 of the conductive circuit layer 2 and the PET film 5 is fitted by OCA optical cement 3, the PET
5 other side of film is fitted with the display screen 6 by OCA optical cement 3, and the display screen 6 used is AMOLED panel, active square
The features such as battle array Organic Light Emitting Diode has a self-luminous, and light emission luminance is high, visual angle is wide, fast response time, ultra-thin, light weight,
Then the structure being integrated to fitting carries out deaeration processing, is finally completed the preparation for shielding lower fingerprint touch pad.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should be managed
Solution: specific implementation of the utility model can still be modified or equivalent replacement, and without departing from the utility model
Any modification of spirit and scope or equivalent replacement should all cover in present claims range.
Claims (6)
1. fingerprint touch pad under a kind of screen, it is characterised in that: include: transparent glass cover board, transparent glass cover board side is suitable
Secondary to be provided with PET film and display screen, the transparent glass cover board, PET film and display screen form multi-layer compound structure, described
One side surface of transparent glass cover board towards the PET film is provided with conductive circuit layer, and the PET film is towards described transparent
One side surface of glass cover-plate is provided with identification layer, and the conductive circuit layer is bonded with the identification layer of the PET film, described
The PET film other side fits with the display screen.
2. fingerprint touch pad under a kind of screen according to claim 1, it is characterised in that: the identification layer is that CMOS optics refers to
Line identification sensor is prepared.
3. fingerprint touch pad under a kind of screen according to claim 1, it is characterised in that: the transparent glass cover board is towards institute
The side surface metallization electrically conductive ink for stating PET film, forms the conductive circuit layer.
4. fingerprint touch pad under a kind of screen according to claim 3, it is characterised in that: the conductive circuit layer includes a plurality of
Along the transparent glass cover board length direction driving line of driving signal and a plurality of along transparent glass cover board width disposed in parallel of providing
Direction is disposed in parallel to provide the detection lines of capacitively coupled signal, the infall formation capacitance section of the driving line and detection lines
Point.
5. fingerprint touch pad under a kind of screen according to claim 4, it is characterised in that: the driving line and the detection lines
It is arranged in a mutually vertical manner in the horizontal direction.
6. fingerprint touch pad under a kind of screen according to claim 1, it is characterised in that: the conductive circuit layer with it is described
The identification layer of PET film is fitted by OCA optical cement, and the PET film other side and the display screen pass through OCA optical cement
It fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226656.5U CN208607633U (en) | 2018-08-01 | 2018-08-01 | Fingerprint touch pad under a kind of screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226656.5U CN208607633U (en) | 2018-08-01 | 2018-08-01 | Fingerprint touch pad under a kind of screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607633U true CN208607633U (en) | 2019-03-15 |
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ID=65671688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821226656.5U Active CN208607633U (en) | 2018-08-01 | 2018-08-01 | Fingerprint touch pad under a kind of screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149425A (en) * | 2019-04-17 | 2019-08-20 | 华为技术有限公司 | Mobile terminal, cover board, display component |
-
2018
- 2018-08-01 CN CN201821226656.5U patent/CN208607633U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149425A (en) * | 2019-04-17 | 2019-08-20 | 华为技术有限公司 | Mobile terminal, cover board, display component |
| CN110149425B (en) * | 2019-04-17 | 2020-09-18 | 华为技术有限公司 | Mobile terminal, cover plate and display assembly |
| US11909898B2 (en) | 2019-04-17 | 2024-02-20 | Huawei Technologies Co., Ltd. | Mobile terminal, cover, display component |
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