CN207408960U - A kind of fingerprint recognition display panel and fingerprint recognition display device - Google Patents
A kind of fingerprint recognition display panel and fingerprint recognition display device Download PDFInfo
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- CN207408960U CN207408960U CN201721617613.5U CN201721617613U CN207408960U CN 207408960 U CN207408960 U CN 207408960U CN 201721617613 U CN201721617613 U CN 201721617613U CN 207408960 U CN207408960 U CN 207408960U
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- fingerprint recognition
- thin film
- display panel
- recognition display
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Abstract
The utility model provides a kind of fingerprint recognition display panel and fingerprint recognition display device, to distinguish the position in fingerprint recognition region in the case where there is bright conditions, improves the experience property of user, fingerprint recognition display panel provided by the utility model, including：Underlay substrate, transparent cover plate, and it is arranged on the fingerprint recognition module between the underlay substrate and the transparent cover plate, the fingerprint recognition module is equipped with the optical thin film opposite with the fingerprint recognition module away from the one side of the underlay substrate, and the optical thin film develops the color when viewing angle is more than preset threshold angle.
Description
Technical field
The utility model is related to fingerprint identification technology fields, know more particularly to a kind of fingerprint recognition display panel and fingerprint
Other display device.
Background technology
Fingerprint is the invariant features that human body is inherent unique and can be distinguished with other people, it is by finger tip skin surface
On series of ridges and paddy composition, the composition details of these ridges and paddy generally include the bifurcated of ridge, the end of ridge, arch, tent
The details such as the arch of formula, left-handed, dextrorotation, spiral or bispin determine the uniqueness of fingerprint pattern.It is at full speed with display technology
Development, the display panel with fingerprint identification function is gradually in people’s lives.
At present, a kind of more popular fingerprint identification technology is concealed fingerprint identification technology, is in display panel
Subregion fitting fingerprint recognition module 2 under transparent cover plate 1, as shown in Figure 1, this display panel generally passes through Software for Design
User fingerprints identification region is prompted in visible area corresponding position under bright screen state, to be user-friendly, but this mode
The position in fingerprint recognition region can not be just distinguished in the case where putting out screen state, so as to influence the experience property of user.
Utility model content
The utility model embodiment provides a kind of fingerprint recognition display panel and fingerprint recognition display device, to have
The position in fingerprint recognition region is distinguished under bright conditions, improves the experience property of user.
A kind of fingerprint recognition display panel that the utility model embodiment provides, including：Underlay substrate, transparent cover plate, with
And the fingerprint recognition module between the underlay substrate and the transparent cover plate is arranged on, the fingerprint recognition module is away from described
The one side of underlay substrate is equipped with the optical thin film opposite with the fingerprint recognition module, and the optical thin film is more than in viewing angle
It develops the color during preset threshold angle.
The fingerprint recognition display panel that the utility model embodiment provides, by deviating from underlay substrate in fingerprint recognition module
One side the optical thin film opposite with the fingerprint recognition module be set, and the optical thin film in viewing angle more than preset threshold angle
It develops the color when spending, by the position of the optical thin film of colour developing, either in the case where bright screen still puts out screen state, can indicate that fingerprint
The position of identification region improves the experience property of user.
It is preferred that the preset threshold angle is 30 ° -60 °.
It is preferred that the optical thin film is arranged between the fingerprint recognition module and the transparent cover plate.
It is preferred that the optical thin film is arranged on the one side that the transparent cover plate deviates from the fingerprint recognition module.
It is preferred that it further includes：It is arranged at the protective layer that the transparent cover plate deviates from the fingerprint recognition module one side；It is described
Optical thin film is arranged between the fingerprint recognition module and the protective layer.
It is preferred that it further includes：The semiconductive thin film being arranged between the transparent cover plate and the protective layer；It is described partly to lead
The semiconductor striped being spaced is formed on body thin film.
It is preferred that the optical thin film is arranged between the transparent cover plate and the semiconductive thin film；Or the light
Film is learned to be arranged between the semiconductive thin film and the protective layer.
It is preferred that the optical thin film is changeable colors along with angle film.
It is preferred that the changeable colors along with angle film includes at least one layer of high refractive index film and at least one for alternateing setting
Layer low refractive index film.
The utility model embodiment additionally provides a kind of fingerprint recognition display device, including：The utility model is arbitrarily implemented
The fingerprint recognition display panel that example provides.
Since the fingerprint recognition display device that the utility model embodiment provides employs above-mentioned fingerprint recognition display surface
Plate, and above-mentioned fingerprint recognition display panel is known by being set in fingerprint recognition module away from the one side of underlay substrate with the fingerprint
The opposite optical thin film of other module, and the optical thin film develops the color when viewing angle is more than preset threshold angle, passes through colour developing
The position of optical thin film either in the case where bright screen still puts out screen state, can indicate that the position in fingerprint recognition region, improve
The experience property of user.
Description of the drawings
Fig. 1 is the structure diagram of fingerprint recognition display panel in the prior art；
Fig. 2 is the structure diagram for the fingerprint recognition display panel that the utility model embodiment one provides；
Fig. 3 is the structural representation of changeable colors along with angle film in the fingerprint recognition display panel that the utility model embodiment provides
Figure；
Fig. 4 is that changeable colors along with angle is thin in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 0 °
The spectrogram of film；
Fig. 5 is that changeable colors along with angle is thin in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 0 °
The chromatic diagram of film；
Fig. 6 is changeable colors along with angle in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 40 °
The spectrogram of film；
Fig. 7 is changeable colors along with angle in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 40 °
The chromatic diagram of film；
Fig. 8 is changeable colors along with angle in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 60 °
The spectrogram of film；
Fig. 9 is changeable colors along with angle in the fingerprint recognition display panel that the utility model embodiment provides when viewing angle is 60 °
The chromatic diagram of film；
Figure 10 is the structure diagram for the fingerprint recognition display panel that the utility model embodiment two provides；
Figure 11 is the structure diagram for the fingerprint recognition display panel that the utility model embodiment three provides；
Figure 12 is the structure diagram for the fingerprint recognition display panel that the utility model embodiment four provides.
Specific embodiment
The utility model embodiment provides a kind of fingerprint recognition display panel and fingerprint recognition display device, to have
The position in fingerprint recognition region is distinguished under illumination condition, improves the experience property of user.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It should be noted that the thickness of each layer and shape do not reflect actual proportions in the utility model attached drawing, purpose is
Schematically illustrate the utility model content.
Embodiment one：
Referring to Fig. 2, a kind of fingerprint recognition display panel of the offer of the utility model embodiment one, including：Underlay substrate 11,
Transparent cover plate 12, the fingerprint recognition module 13 being arranged between underlay substrate 11 and transparent cover plate 12 and be arranged at fingerprint knowledge
The optical thin film 14 opposite with fingerprint recognition module 13 between other module 13 and transparent cover plate 12, optical thin film 14 is in viewing angle
Degree develops the color when being more than preset threshold angle.
Wherein, transparent cover plate 12 can be flexible cover plate, such as ultra-thin glass.
Fingerprint recognition module 13 can for example include fingerprint Identification sensor, and fingerprint Identification sensor can be push type,
Or scratching formula, the utility model embodiment are not defined the type of fingerprint recognition module.Usual fingerprint recognition
Module 13 is arranged at the subregion under transparent cover plate 12.
Fingerprint recognition module 13 is oppositely arranged with optical thin film 14, the size of optical thin film 14 generally with fingerprint recognition region
It is suitable or bigger.
Preset threshold angle refers to viewing angle when pre-set optical thin film 14 can just develop the color, preset threshold angle
Can be theoretical based on optical thin film according to actual needs, and set with reference to system design of optical film software.Preset threshold angle
Degree could be provided as 30 ° -60 °, it is preferable that preset threshold angle is arranged to 40 ° or 60 °.
In a better embodiment, optical thin film 14 can be changeable colors along with angle film.Certainly, optical thin film 14 can also
For other films, the utility model embodiment is without being limited thereto.
In a better embodiment, changeable colors along with angle film includes at least one layer of high refractive index film for alternateing setting
With at least one layer of low refractive index film.
Wherein, the material of high refractive index film for example can be TiO2, the material of low refractive index film for example can be
SiO2。
In a better embodiment, the structure diagram of changeable colors along with angle film is as shown in figure 3, from close to transparent cover plate 12
One side start, the membrane system expression formula of changeable colors along with angle film is：0.1789H,0.4110L,0.4997H,0.1563L,
1.3837H,0.1878L,0.3947H,2.0201L,0.4201H,0.1603L,1.2776H,0.3037L,0.2602H,
1.2977L,0.2174H,0.3514L,1.1858H,0.0887L,0.5241H,0.9624L；Wherein, it is digital in membrane system expression formula
Represent the coefficient of 1/4 reference wavelength (reference wavelength uses 550nm) optical thickness, H represents 1/4 reference wave of high-index material
Long optical thickness, L represent 1/4 reference wavelength optical thickness of low-index material, such as：AH represents the light of high-index material
Thickness is learned as a 1/4 reference wavelengths.Certainly, the membrane system expression formula of changeable colors along with angle film can also be other expression formulas, this practicality
New embodiment is not defined this.
The preparation of changeable colors along with angle film such as can by sputter, be coated with, be deposited process complete.
Changeable colors along with angle film in the case where there is bright conditions, direct-view or low-angle observation fingerprint recognition display panel when (
When viewing angle is not more than preset threshold angle), water white transparency state is presented, when viewing angle is more than preset threshold angle,
The changeable colors along with angle film develops the color, and with the difference of viewing angle, can show different colours.
In a better embodiment, preset threshold angle could be provided as 40 °, i.e., in the case where there is bright conditions, works as observation
When the viewing angle of fingerprint recognition display panel is not more than 40 °, water white transparency state is presented in changeable colors along with angle film, such as：Straight
When regarding fingerprint recognition display panel (when i.e. viewing angle is 0 °), water white transparency state is presented in changeable colors along with angle film, in visible ray
Region is high transmittance film, is high reflectivity film near infrared region, spectrogram is as shown in figure 4, chromatic diagram such as Fig. 5 institutes
Show；When viewing angle reaches 40 ° of preset threshold angle, water white transparency state is still presented in changeable colors along with angle film, and spectrogram is such as
Shown in Fig. 6, chromatic diagram is as shown in Figure 7；When viewing angle is more than 40 °, the colour developing of changeable colors along with angle film, such as：Work as viewing angle
For 60 ° when, high reflection region is moved to visible light region, and yellow green is presented in changeable colors along with angle film, spectrogram as shown in figure 8,
Chromatic diagram is as shown in figure 9, by this way, either in the case where bright screen still puts out screen state, can indicate that fingerprint identification area
The position in domain to be user-friendly, improves the experience property of user.
It is pointed out that the size of preset threshold angle and the thickness of changeable colors along with angle film are inversely proportional, setting it is critical
Angle is smaller, then the thickness for representing changeable colors along with angle film is thicker.
Embodiment two：
The finger that the fingerprint recognition display panel that the utility model embodiment two provides is provided with the utility model embodiment one
Line identification display panel is similar, and details are not described herein for identical part, illustrates different parts below.
Referring to Figure 10, the fingerprint recognition display panel that the utility model embodiment two provides further includes：It is arranged at transparency cover
Plate 12 deviates from the protective layer 15 of 13 one side of fingerprint recognition module；Optical thin film 14 is arranged on fingerprint recognition module 13 and protective layer 15
Between.Under normal circumstances, protective layer 15 is arranged at the outermost of fingerprint recognition display panel.
Such as：Optical thin film 14 is arranged between transparent cover plate 12 and protective layer 15, as shown in Figure 10；Certain optical thin film
14 can also be arranged between fingerprint recognition module 13 and transparent cover plate 12 as described in embodiment one, the utility model embodiment pair
This is not defined.
Above-mentioned protective layer 15 can for example be formed by spraying technology or thermal evaporation techniques, and the material of protective layer is AF films,
AF films are also referred to as anti-fingerprint film, are a kind of silicon fluoride long-chain compounds, due to anti-fingerprint film be it is a kind of have compared with low surface tension
Substance, therefore Water-proof and oil-proof and easy dirt-removing power are splendid, while also crocking resistance, protection can be played the role of.
Embodiment three：
The finger that the fingerprint recognition display panel that the utility model embodiment three provides is provided with the utility model embodiment two
Line identification display panel is similar, and details are not described herein for identical part, illustrates different parts below.
Referring to Figure 11, the fingerprint recognition display panel that the utility model embodiment three provides further includes：It is arranged at transparency cover
Semiconductive thin film 16 between plate 12 and protective layer 15；The semiconductor striped being spaced is formed on semiconductive thin film 16；Light
Film 14 is learned to be arranged between transparent cover plate 12 and semiconductive thin film 16.
Semiconductive thin film 16 can for example be prepared by vacuum deposition method, and the material of semiconductive thin film 16 is semi-conductive polymeric
Object, indium tin oxide and zinc tin oxide etc..
Semiconductor striped can be located in the whole or part of semiconductive thin film 16, preferably partially, pass through the skills such as photoetching
Art forms the striped being spaced, and is interconnected to avoid when coupling and charging.Using the semiconductor property of material, not right
When it carries out coupling charging, the electric conductivity of semiconductive thin film 16 tends to insulate, and fingerprint recognition is shown so as to not influence finger
Other operations of panel；When semiconductor layer, which is applied in radio frequency high tension, to charge, the electric conductivity of semiconductive thin film 16 tends to conductor,
So as to which small current radio frequency signal can be inputted to finger by coupling to charge.
The part of semiconductive thin film 16 is lithographically to the striped being spaced, it is whole when being on the one hand to coupling is avoided to charge
Body turns on；On the other hand it is then the fingerprint Identification sensor for locally charging to finger, and below finger rest part correspondence
Carry out fingerprint recognition.
Example IV：
The finger that the fingerprint recognition display panel that the utility model embodiment four provides is provided with the utility model embodiment three
Line identification display panel is similar, and details are not described herein for identical part, illustrates different parts below.
In the fingerprint recognition display panel provided referring to Figure 12, the utility model embodiment four, optical thin film 14 is arranged on
Between semiconductive thin film 16 and protective layer 15.
It is pointed out that when being equipped with semiconductive thin film in fingerprint recognition display panel, the fingerprint recognition display panel
In can not also be equipped with protective layer；When being equipped with semiconductive thin film in fingerprint recognition display panel, optical thin film 14 can also be as
Be arranged at described in embodiment one between fingerprint recognition module 13 and transparent cover plate 12, the utility model embodiment to this and without
It limits.
Conceived based on same utility model, the utility model embodiment additionally provides a kind of fingerprint recognition display device, wraps
It includes：The fingerprint recognition display panel that the utility model any embodiment provides.The fingerprint recognition display device can be：Mobile phone,
Tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any to have fingerprint identification function and display
The product or component of function.
In conclusion in the technical solution that the utility model embodiment provides, fingerprint recognition display panel passes through in fingerprint
Identify that module sets the optical thin film opposite with the fingerprint recognition module away from the one side of underlay substrate, and the optical thin film is being seen
It develops the color when examining angle more than preset threshold angle, by the position of the optical thin film of colour developing, either still puts out screen shape in bright screen
Under state, the position in fingerprint recognition region can indicate that, improve the experience property of user.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
New spirit and scope.If in this way, these modifications and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of fingerprint recognition display panel, including：Underlay substrate, transparent cover plate and it is arranged on the underlay substrate and institute
State the fingerprint recognition module between transparent cover plate, which is characterized in that the fingerprint recognition module deviates from the one of the underlay substrate
Side is equipped with the optical thin film opposite with the fingerprint recognition module, and the optical thin film is more than preset threshold angle in viewing angle
Shi Xianse.
2. fingerprint recognition display panel according to claim 1, which is characterized in that the preset threshold angle for 30 °-
60°。
3. fingerprint recognition display panel according to claim 1, which is characterized in that the optical thin film is arranged on the finger
Line is identified between module and the transparent cover plate.
4. fingerprint recognition display panel according to claim 1, which is characterized in that the optical thin film is arranged on described
Bright cover board deviates from the one side of the fingerprint recognition module.
5. fingerprint recognition display panel according to claim 1, which is characterized in that further include：It is arranged at the transparency cover
Protective layer of the backboard from the fingerprint recognition module one side；The optical thin film is arranged on the fingerprint recognition module and the guarantor
Between sheath.
6. fingerprint recognition display panel according to claim 5, which is characterized in that further include：It is arranged at the transparency cover
Semiconductive thin film between plate and the protective layer；The semiconductor striped being spaced is formed on the semiconductive thin film.
7. fingerprint recognition display panel according to claim 6, which is characterized in that the optical thin film is arranged on described
Between bright cover board and the semiconductive thin film；Or the optical thin film be arranged on the semiconductive thin film and the protective layer it
Between.
8. according to claim 1-7 any one of them fingerprint recognition display panels, which is characterized in that the optical thin film be with
The heterochromatic film in angle.
9. fingerprint recognition display panel according to claim 8, which is characterized in that the changeable colors along with angle film includes mutual
At least one layer of high refractive index film and at least one layer of low refractive index film being arranged alternately.
10. a kind of fingerprint recognition display device, which is characterized in that including：Such as claim 1-9 any one of them fingerprint recognitions
Display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617613.5U CN207408960U (en) | 2017-11-28 | 2017-11-28 | A kind of fingerprint recognition display panel and fingerprint recognition display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617613.5U CN207408960U (en) | 2017-11-28 | 2017-11-28 | A kind of fingerprint recognition display panel and fingerprint recognition display device |
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| Publication Number | Publication Date |
|---|---|
| CN207408960U true CN207408960U (en) | 2018-05-25 |
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ID=62317414
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|---|---|---|---|
| CN201721617613.5U Active CN207408960U (en) | 2017-11-28 | 2017-11-28 | A kind of fingerprint recognition display panel and fingerprint recognition display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107766849A (en) * | 2017-11-28 | 2018-03-06 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition display panel and fingerprint recognition display device |
| CN110046610A (en) * | 2019-04-28 | 2019-07-23 | 云谷（固安）科技有限公司 | A kind of fingerprint recognition display device and preparation method thereof, display equipment |
-
2017
- 2017-11-28 CN CN201721617613.5U patent/CN207408960U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107766849A (en) * | 2017-11-28 | 2018-03-06 | 京东方科技集团股份有限公司 | A kind of fingerprint recognition display panel and fingerprint recognition display device |
| US10572710B2 (en) | 2017-11-28 | 2020-02-25 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN110046610A (en) * | 2019-04-28 | 2019-07-23 | 云谷（固安）科技有限公司 | A kind of fingerprint recognition display device and preparation method thereof, display equipment |
| CN110046610B (en) * | 2019-04-28 | 2021-05-28 | 云谷（固安）科技有限公司 | Fingerprint identification display device, preparation method thereof and display equipment |
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