CN208110630U - Fingerprint recognition mould group and display device under a kind of screen - Google Patents
Fingerprint recognition mould group and display device under a kind of screen Download PDFInfo
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- CN208110630U CN208110630U CN201820733507.1U CN201820733507U CN208110630U CN 208110630 U CN208110630 U CN 208110630U CN 201820733507 U CN201820733507 U CN 201820733507U CN 208110630 U CN208110630 U CN 208110630U
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- fingerprint recognition
- mould group
- cover board
- antireflective film
- recognition mould
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Abstract
The utility model provides fingerprint recognition mould group and display device under a kind of screen, and fingerprint recognition mould group includes cover board, set on the OLED display module of the cover board side, light sensor and light source set on the OLED display module backwards to cover board side under the screen；The cover board is also fitted with the first antireflective film backwards to OLED display module side, is additionally provided with the second antireflective film between the light sensor and the OLED display module；Second antireflective film includes successively spaced apart anti-reflection area and shading region.The utility model provides logical can effectively realize and shields lower fingerprint recognition, adapts to the design requirement shielded comprehensively now and effectively reduces cost.
Description
Technical field
The utility model relates to fingerprint identification technology fields, more particularly to fingerprint recognition mould group under a kind of screen and show
Showing device.
Background technique
Present fingerprint identification technology has been applied in diversified display device, such as on smart phone, fingerprint
Identification has become one of standard configuration, and in order to adapt to the design requirement shielded comprehensively, in order to further increase screen accounting, such as
What arrangement fingerprint recognition mould group becomes problem to be solved, existing to replace fingerprint recognition using face recognition or carrying on the back
The schemes such as fingerprint identification area are arranged in face, are on the one hand unable to good conformity user habit, in addition but also with high costs, how to be provided
Fingerprinting scheme becomes problem to be solved under a kind of screen at low cost.
Utility model content
The technical problem to be solved by the utility model is to provide fingerprint recognition mould groups under a kind of screen, can effectively realize screen
Lower fingerprint recognition adapts to the design requirement shielded comprehensively now and effectively reduces cost.
In order to solve the above technical problems, the utility model provides fingerprint recognition mould group under a kind of screen, including cover board, set
In the OLED display module of the cover board side, set on the OLED display module backwards to the light sensor and light of cover board side
Source；The cover board is also fitted with the first antireflective film backwards to OLED display module side, and the light sensor and the OLED are aobvious
Show and is additionally provided with the second antireflective film between mould group；Second antireflective film includes successively spaced apart anti-reflection area and shading region.
As a kind of preferred embodiment of the utility model, the width of the shading region is 0.1-1mm.
As a kind of preferred embodiment of the utility model, the width in the anti-reflection area is 0.1-1mm.
As a kind of preferred embodiment of the utility model, the material of the shading region is black ink.
As a kind of preferred embodiment of the utility model, the light source is set to the side of the optical sensor.
As a kind of preferred embodiment of the utility model, the OLED display module is bonded Nian Jie entirely with the cover board.
As a kind of preferred embodiment of the utility model, the cover board is equipped with corresponding recessed with first antireflective film
Slot, first antireflective film are set in the groove.
Further, a kind of display device is provided, including fingerprint recognition mould group under screen described in any of the above item.
As a kind of preferred embodiment of the utility model, the display device configurations are mobile phone.
The utility model has the following technical effect that：Fingerprint recognition mould group and display under a kind of screen provided by the utility model
For device by being provided with light sensor and light source in OLED display module side, optical sensor can monitor light source sending
The intensity of light, due to being equipped with the first antireflective film, effectively reduces cover board and Air Interface in this way when there is no finger contact
Between reflectivity, at this point, the intensity for the light that optical sensor detects is weaker.When there is finger contact, finger print protrusion
Position directly contacts the first antireflective film, so that the position loses anti-reflective effect, so as to be detected according to light sensor
Intensity effectively judge the position for fingerprint protrusion occur；Simultaneously as being provided with the second antireflective film, and the second antireflective film includes
Successively spaced apart anti-reflection area and shading region, i.e., in the position for having shading region, light can not pass through, and be provided with anti-reflection area
Position on, light can pass through and reach light sensor, so that the midpoint of anti-reflection zone position and light source position
It can be judged as fingerprint tough position on normal, shield lower fingerprint recognition so as to effectively realize, adapt to shield comprehensively now sets
Meter is required and is effectively reduced cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fingerprint recognition mould group under a kind of screen provided by the utility model；
Fig. 2 is that the light of fingerprint recognition mould group under a kind of screen provided by the utility model transmits schematic diagram；
Fig. 3 is a kind of arrangement schematic diagram of cover board and the first antireflective film provided by the utility model.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage are clearer, with reference to the accompanying drawing to the utility model
Embodiment is described in further detail.
As shown in Figure 1, which show fingerprint recognition mould group under a kind of screen provided in this embodiment, fingerprint recognition mould under the screen
Group is including cover board 1, set on the OLED display module 2 of 1 side of cover board, set on the OLED display module 2 backwards to cover board 1 one
The light sensor 3 and light source 4 of side；The cover board 1 is also fitted with the first antireflective film 5 backwards to 2 side of OLED display module, described
The second antireflective film 6 is additionally provided between light sensor 3 and the OLED display module 2；Second antireflective film 6 include successively between
Every the anti-reflection area 61 and shading region 62 of arrangement.
In this way, light sensor 3 can be with by being provided with light sensor 3 and light source 4 in 2 side of OLED display module
The intensity for the light that light source 4 issues is monitored, in this way when contacting there is no finger 100, due to being equipped with the first antireflective film 5, effectively
The reflectivity between cover board 1 and Air Interface is reduced, it specifically, can be by reflectivity control to less than 1%, at this point, light level
The intensity for the light that device 3 detects is weaker.As shown in Fig. 2, 100 fingerprint raised position of finger is direct when there is the contact of finger 100
The first antireflective film 5 is contacted, so that the position loses anti-reflective effect, specifically, reflectivity is 3~4% or so at this time, so as to
The position for fingerprint protrusion occur effectively is judged with the intensity detected according to light sensor 3；Subtract simultaneously as being provided with second
Anti- film 6, and the second antireflective film 6 includes successively spaced apart anti-reflection area 61 and shading region 62, i.e., in the position for having shading region 62
It sets, light can not pass through, and on the position for being provided with anti-reflection area 61, light can pass through and reach light sensor 3,
To can be identified as fingerprint tough position according on 61 position of anti-reflection area and the midpoint normal of 4 position of light source, so as to have
Effect, which is realized, shields lower fingerprint recognition.Further, since being provided with the first antireflective film 5, the anti-reflection effect of the first antireflective film 5 can make
It can play the role of indicating fingerprint recognition when the breath screen of OLED display module 2, and can guarantee when OLED display module 2 is shown
Display effect is not influenced, it is therefore not necessary to which other instruction devices are arranged, can guarantee the planarization of cover board.The utility model provides
Screen under fingerprint recognition modular structure it is simple and be easy to arrange, can be effectively reduced production cost.It should be noted that light passes
Sensor 3 can effectively judge light intensity and determine position, specifically can be and receive optics by optical element and pass through
The electronic components such as photodiode, which are realized, switchs to electric signal for optical signal, this is the content of the prior art, and it is not described here in detail, this
Utility model does not also limit the specific structure of light sensor 3, is only able to achieve and judges light intensity and position.
Specifically, in the present embodiment, the gap between anti-reflection area adjacent in second antireflective film 6 is 0.1-1mm.
The width in the anti-reflection area is 0.1-1mm.The second antireflective film 6 being arranged in this way can effectively adapt to user fingerprints identification and require,
Improve accuracy of identification and efficiency.Specifically, the material of the shading region 62 is preferably black ink.Black ink shaded effect
Good and manufacture craft is mature, can effectively ensure that production efficiency and quality, specifically, by making strip black ink and striped
Anti-reflection diaphragm be successively spaced and can be achieved with being formed the second antireflective film 6；Certainly strip black is coated in one whole antireflective film on piece
Ink can also form shading region 61, it can so that the second antireflective film 6 includes subtraction membrane layer and is arranged in the anti-reflection diaphragm
Black ink layer on layer, being provided with black ink layer is shading region 62, and being not provided with black ink layer is anti-reflection area 61；
Specifically, black ink layer distribution is coated on the two sides of anti-reflection diaphragm.Specifically, in the present embodiment, the light source 4 is set to institute
State the side of light sensor 3.
Specifically, in the present embodiment, the OLED display module 2 is Nian Jie with the full fitting of the cover board 1.To effectively protect
The uniformity of light transmission is demonstrate,proved, fingerprint recognition precision is improved.Specifically, as shown in figure 3, the cover board 1 is equipped with and described the
The corresponding groove of one antireflective film 5, first antireflective film 5 are set in the groove.In such manner, it is possible to which cover board 1 is effectively ensured backwards
The planarization of 2 side of OLED display module, it is preferable that cover board 1 and the first antireflective film are additionally provided with filler 11 between 5 both ends.If
Cover board 1 and the first antireflective film 5 can be compensated because of miniature gap existing for fabrication error in time by setting filler 11, guarantee planarization,
Improve product quality.
Embodiment two
The present embodiment provides a kind of display device, fingerprint recognition mould group under the screen provided including above embodiments.Preferably,
The display device configurations are mobile phone.
The above-mentioned embodiments merely express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (9)
1. fingerprint recognition mould group under a kind of screen, which is characterized in that show mould including cover board, the OLED set on the cover board side
Group, set on the OLED display module backwards to the light sensor and light source of cover board side；The cover board shows mould backwards to OLED
Group side is fitted with the first antireflective film, and the second antireflective film is equipped between the light sensor and the OLED display module；Institute
It states the second antireflective film and includes successively spaced apart anti-reflection area and shading region.
2. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the width of the shading region is 0.1-
1mm。
3. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the width in the anti-reflection area is 0.1-
1mm。
4. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the material of the shading region is black oil
Ink.
5. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the light source is set to the light level
The side of device.
6. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the OLED display module and the lid
Plate is bonded bonding entirely.
7. fingerprint recognition mould group under screen according to claim 1, which is characterized in that the cover board is equipped with and described first
The corresponding groove of antireflective film, first antireflective film are set in the groove.
8. a kind of display device, which is characterized in that including fingerprint recognition mould group under the described in any item screens of claim 1-7.
9. display device according to claim 8, which is characterized in that the display device configurations are mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733507.1U CN208110630U (en) | 2018-05-17 | 2018-05-17 | Fingerprint recognition mould group and display device under a kind of screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733507.1U CN208110630U (en) | 2018-05-17 | 2018-05-17 | Fingerprint recognition mould group and display device under a kind of screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208110630U true CN208110630U (en) | 2018-11-16 |
Family
ID=64114899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733507.1U Active CN208110630U (en) | 2018-05-17 | 2018-05-17 | Fingerprint recognition mould group and display device under a kind of screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208110630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671743A (en) * | 2018-12-06 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | With the display device and electronic device for shielding lower fingerprint identification function |
| CN109993117A (en) * | 2019-03-29 | 2019-07-09 | 霸州市云谷电子科技有限公司 | A kind of display panel and display device |
-
2018
- 2018-05-17 CN CN201820733507.1U patent/CN208110630U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671743A (en) * | 2018-12-06 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | With the display device and electronic device for shielding lower fingerprint identification function |
| CN109671743B (en) * | 2018-12-06 | 2020-11-06 | 武汉华星光电半导体显示技术有限公司 | Display device and electronic device with under-screen fingerprint identification function |
| CN109993117A (en) * | 2019-03-29 | 2019-07-09 | 霸州市云谷电子科技有限公司 | A kind of display panel and display device |
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