CN107092402A - A kind of display screen and electronic equipment - Google Patents
A kind of display screen and electronic equipment Download PDFInfo
- Publication number
- CN107092402A CN107092402A CN201710256718.0A CN201710256718A CN107092402A CN 107092402 A CN107092402 A CN 107092402A CN 201710256718 A CN201710256718 A CN 201710256718A CN 107092402 A CN107092402 A CN 107092402A
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- thin film
- display screen
- optical thin
- light
- identified
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- 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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display screen and electronic equipment, the display screen includes display screen component, touch panel unit and recognizer component, display screen component includes display unit and luminescence unit, the transmitting light of luminescence unit propagates to the outer surface of touch panel unit by display unit, the thing to be identified contacted with the outer surface of touch panel unit reflects to form reflected light by light is launched, reflected light propagates to recognizer component by touch panel unit and display unit, and thing to be identified is identified according to reflected light for recognizer component；Display screen also includes optical thin film, and transmitting light and/or reflected light pass through optical thin film, or optical thin film to prevent the light outside transmitting light and reflected light from propagating to recognizer component.The display screen that the present invention is provided, by setting optical thin film, can avoid launching light and/or reflected light and occur diffusing reflection, refraction, scattering, diffraction, launch light to the interference of reflected light or the interference of ambient light etc., so as to improve the recognition accuracy of electronic equipment.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of display screen and electronic equipment.
Background technology
With the development of electronic technology, the electronic equipment such as mobile phone, tablet personal computer and camera turns into people's daily life
In an indispensable part, requirement also more and more higher of the people for electronic equipment.The display screen of recognizable fingerprint is used as one
New display screen technology is planted, gradually alternate physical fingerprint button is applied on electronic equipment, electronic equipment is possessed display screen
The function of interior identification fingerprint, so as to improve the appearance looks elegant degree and Consumer's Experience effect of mobile terminal.
At present, identification of the display screen to the thing to be identified such as fingerprint or palmmprint, is typically the light reflected according to thing to be identified,
Object image information to be identified is obtained, so as to realize thing identification to be identified.But, due to the light launched to thing to be identified or by
The light of thing reflection to be identified can have diffusing reflection, refraction, scattering, diffraction or transmitting light to reflected light in communication process
Interference etc., the light of propagation is occurred very big energy loss；And the ambient light around display screen is recognized to thing to be identified
During the interference that produces of light, can all cause to reduce the accuracy rate that display screen recognizes thing to be identified.It can be seen that, current display
There is the problem of accuracy rate is low during the identification thing to be identified such as fingerprint or palmmprint in screen.
The content of the invention
The embodiment of the present invention provides a kind of display screen and electronic equipment, to solve current display screen in identification fingerprint or the palm
During the thing to be identified such as line, there is the problem of accuracy rate is low.
In a first aspect, the embodiments of the invention provide a kind of display screen, including display screen component, touch panel unit and knowledge
Other component, the display screen component includes display unit and luminescence unit, and the transmitting light of the luminescence unit is by described aobvious
Show cell propagation to the outer surface of the touch panel unit, the thing to be identified contacted with the outer surface of the touch panel unit is by institute
State transmitting light and reflect to form reflected light, the reflected light propagates to the knowledge by the touch panel unit and the display unit
The thing to be identified is identified according to the reflected light for other component, the recognizer component；The display screen also includes optics
Film, the transmitting light and/or the reflected light pass through the optical thin film, or the optical thin film to prevent the transmitting light
The recognizer component is propagated to the light outside the reflected light.
On the other hand, the embodiment of the present invention also provides a kind of electronic equipment, and the electronic equipment includes above-mentioned display screen.
So, in the embodiment of the present invention, display screen includes display screen component, touch panel unit and recognizer component, described
Display screen component includes display unit and luminescence unit, and the transmitting light of the luminescence unit is propagated to by the display unit
The outer surface of the touch panel unit, the thing to be identified contacted with the outer surface of the touch panel unit reflects the transmitting light
Reflected light is formed, the reflected light propagates to the recognizer component by the touch panel unit and the display unit, described
The thing to be identified is identified according to the reflected light for recognizer component；The display screen also includes optical thin film, the hair
Penetrate light and/or the reflected light passes through the optical thin film, or the optical thin film to prevent the transmitting light and the reflection
Light outside light propagates to the recognizer component.Optical thin film can be during thing to be identified be recognized, it is to avoid transmitting light and/
Or reflected light occur in the air diffusing reflection, refraction, scattering, diffraction, transmitting light is to the interference of reflected light or ambient light
Interference etc., so as to improve the recognition accuracy of electronic equipment.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed for description of the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of display screen provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another display screen provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another display screen provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another display screen provided in an embodiment of the present invention；
Spectral characteristic schematic diagram when Fig. 5 is the optical filter that optical thin film provided in an embodiment of the present invention is blue light characteristic.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of display screen provided in an embodiment of the present invention, as shown in figure 1, above-mentioned
Display screen 10 includes display screen component 11, touch panel unit 12 and recognizer component 13, and display screen component 11 includes display unit
111 and luminescence unit 112, the transmitting light of luminescence unit 112 propagates to the appearance of touch panel unit 12 by display unit 111
Face, the thing to be identified contacted with the outer surface of touch panel unit 12 will launch light and reflect to form reflected light, and reflected light is by touching
Screen assembly 12 and display unit 111 propagate to recognizer component 13, and thing to be identified is identified according to reflected light for recognizer component 13；
Display screen 10 also includes optical thin film 14, and transmitting light and/or reflected light pass through optical thin film 14, or optical thin film 14 to prevent hair
The light penetrated outside light and reflected light propagates to recognizer component 13.
In the embodiment of the present invention, above-mentioned display screen component 11 and touch panel unit 12 are stacked.Wherein, display screen component
11 and touch panel unit 12 overlapped way in, can be by touch panel unit 12 located at the outside of display screen component 11 glass base
The inner surface of plate (not shown) or located at the outer surface of the glass substrate or by the glass substrate with touch
Screen assembly 12 is integrated, in the tin plating indium oxide conductive layer in the inner side of glass substrate, is touched so as to be formed on the glass substrate
Screen assembly 12 etc..Because the overlapped way of display screen component 11 and touch panel unit 12 is known for those skilled in the art, herein
No longer repeated.
Wherein, above-mentioned luminescence unit 112 can be arranged at intervals at illuminator in display unit 111, and the illuminator is used for
Light is provided for the display image of display unit 111, for example：The illuminator is the OLED luminescence units in OLED display screen, and
The transmitting light that OLED is sent can be made up of the monochromatic light of a variety of different wave lengths.
When luminescence unit 112 is the luminescence unit shared with illuminator in display unit 111, above-mentioned recognizer component 13 can
So that including optical finger print lens unit 131 and image sensing cell 132, optical finger print lens unit 131 can be realized to anti-
The focusing of light is penetrated, image sensing cell 132 can be imaged to the reflected light after focusing, so as to realize the knowledge to thing to be identified
Not.
Certainly, as shown in Fig. 2 above-mentioned luminescence unit 112 can also be difference and the transmitting of illuminator in display unit 111
Unit, for example：It can be the luminous tube for the coloured light for launching single wavelength, and such as infraluminescence pipe, luminescence unit 112 can be sent
Infrared light is used as transmitting light.The transmitting light that luminescence unit 112 is sent forms reflected light after thing to be identified reflection, and above-mentioned knowledge
Other component 13 can be made up of the receiving unit of the above-mentioned reflected light of reception luminescence unit 112, and receiving unit can be by the anti-of reception
Penetrate light and be converted to electric signal, then by combining generation identification image after the electric signal that all receiving units are changed.
Wherein, if luminescence unit 112 is transmitter unit, and recognizer component 13 is made up of receiving unit, transmitter unit with
Receiving unit is respectively arranged between two illuminators of display unit 111, and transmitter unit is arranged alternately with receiving unit, so that
When transmitter unit sends transmitting light, receiving unit can be improved and receive the reflected light that thing to be identified reflects to form transmitting light
Acceptance rate, further improves recognition accuracy.
It should be noted that above-mentioned thing to be identified can be the fingerprint of user's finger；It can also be the palmmprint of user's palm
Deng not being defined herein.
In the embodiment of the present invention, optical thin film 14 can be arranged at display screen component 11, touch panel unit 12 and identification
In component 13 at least one set of part, for example：Optical thin film can be located in display screen component 11 and touch panel unit with 14
Between 12 or display screen component 11 and recognizer component 13；Can also be located at the outside face of touch panel unit 12 or optical finger print
The side relative with image sensing cell 132 of lens unit 131；It can also be and be integrated in display screen component 11, touch panel unit
12 and recognizer component 13 at least one set of part inside, only need optical thin film 14 to realize for transmitting light and/or reflected light
Pass through, or prevent the light outside transmitting light and reflected light from propagating to recognizer component 13, so as to avoid launching light
And/or diffusing reflection, refraction, scattering, diffraction, interference or ambient light of the transmitting light to reflected light that reflected light occurs in the air
Interference etc., improve recognition accuracy.
Wherein, above-mentioned display screen 10 can include one layer of optical thin film 14；Multilayer optical film 14, example can also be included
Such as：Optionally, if as shown in figure 3, the above-mentioned display screen 10 can include the first optical thin film 141, the second optical thin film 142
And the 3rd optical thin film 143, the first optical thin film 141 is located at the outer surface of touch panel unit 12, and the second optical thin film 142 is set
It is placed between display screen component 11 and touch panel unit 14, the 3rd optical thin film 143 is arranged at display screen component 11 and identification group
Between part 13, so as to which so that display screen 10 is when thing to be identified is identified, further reduction transmitting light and reflected light exist
The interference being subject in communication process, so that the recognition accuracy of display screen 10 is higher.
When including multilayer optical film 14, multilayer optical film 14 may each be with the optically thin of same optical properties
The optical thin film of film or optical characteristics with different optical characteristics, is not defined herein.Optionally, it is above-mentioned
Optical thin film 14 can include at least one of anti-reflection film, optical filter, diaphragm, polarizing coating, spectro-film and position phase film, this
Sample, can have different optical characteristics due to the optical thin film of above-mentioned each type, propagated according to transmitting light and reflected light
During the interference that may be subject to, optical thin film 14 is selected, so as to avoid transmitting light and/or reflected light from occurring in the air
Diffusing reflection, refraction, scattering, diffraction, transmitting light to the interference of reflected light or the interference of ambient light etc., improve identification accurate
Degree.
For example：First optical thin film 141, the second optical thin film 142 and the 3rd optical thin film 143 as shown in Figure 3
Anti-reflection film is thought, so as to reduce the reflection and diffusing reflection that transmitting light and reflected light occur in communication process, in reduction hair
On the premise of penetrating power consumption of the intensity of light to reduce display screen, the intensity for the reflected light that recognizer component 13 is received is still ensured that, is made
The image clearly of generation, and then make recognition accuracy high；Certainly, the first optical thin film 141, the second optical thin film 142 and the 3rd
Optical thin film 143 can also be the optical thin film of two or three of different optical characteristics, no longer be repeated herein.
Wherein, optionally, if optical thin film 14 is anti-reflection film, the refractive index of optical thin film 14 is equal to the optical thin film both sides
The square root of the refractive index product of medium, for example：When optical thin film 14 is located at the outer surface of touch panel unit 12, and touch-screen
The refractive index of the optical glass of the outer surface of component 12 is 1.5, then the refractive index of anti-reflection film can be 1.5 square root, about
For 1.225, so that selective refraction rate is 1.225 anti-reflection film, there can be optimal antireflective effect, further improve identification accurate
Exactness.Certainly, the refractive index of optical thin film 14 can also select the refractive index close to above-mentioned calculating, can equally obtain higher
Recognition accuracy, be not defined herein.
Further alternative, if optical thin film 14 is anti-reflection film, and the transmitting light is monochromatic light, the thickness of optical thin film 14
D=(2k+1) × (1/4 λ) is spent, wherein, λ is the wavelength of the transmitting light, and k is natural number, for example：If the wavelength of transmitting light is
480nm, so as to using anti-reflection film of the thickness for 120 × (2k+1) nm thickness, further improve the increasing of optical thin film 14
Saturating effect, while the aesthetics of display screen can be made high.Certainly, the thickness of optical thin film 14 can also be selected close to above-mentioned meter
The thickness value of calculation, can equally obtain higher recognition accuracy, not be defined herein.
In the embodiment of the present invention, above-mentioned optical thin film 14 can be all viewing areas for covering above-mentioned display screen 10,
Can be configured according to the identification region of recognizable thing to be identified in display screen 10.For example：Optionally, optical thin film is with knowing
Other region is correspondingly arranged, and optical thin film cover its identification region in the plane projection, wherein, identification region includes touching
The some or all of region on the outer surface of screen assembly is touched, and the region is when touching the thing to be identified, recognizer component
Thing to be identified can be identified；Identification region be projected as identification region optical thin film projection in the plane.It is above-mentioned
Optical thin film is correspondingly arranged with identification region, can set optical thin film, be allow the transmitting light through optical thin film whole
Propagate in above-mentioned identification region；And/or can all propagate to above-mentioned optical thin film through the reflected light of above-mentioned identification region.
In this way it can be ensured that transmitting light and/or reflected light pass through optical thin film, so as to improve recognition accuracy.
Certainly, the interference that above-mentioned optical thin film 14 can also be subject to according to its optical characteristics and transmitting light and reflected light is entered
Row is set, for example：Optionally, if as shown in figure 4, optical thin film 14 is optical filter, optical filter around its knowledge in the plane
The projection in other region is set, wherein it is possible to be that the through hole that the projection with identification region coordinates is opened up on optical filter, so as to
By identification region optical filter the ambient light that receives outside view field in the plane filtered out, reduction ambient light is to hair
The interference of light and reflected light is penetrated, the identification image for generating recognizer component 13 is accurate, improves recognition accuracy.
In the embodiment of the present invention, in order to improve recognition accuracy, the hair of specific wavelength can be sent by luminescence unit 112
Light is penetrated, and the reflected light of the wavelength is reflected to form by thing to be identified, this can preferably be improved by optical thin film 14 specific
The transmitting light and the optical characteristics of reflected light of wavelength, make recognition accuracy higher.
For example：It is transmitting light that blue light can be sent by luminescence unit 112, and reflected light is also blue light, when setting optics
When film 14 is the optical filter of blue light characteristic, as shown in figure 5, optical thin film 14 has to the light of different wave length and different penetrates energy
Power, for the wavelength light close with the wavelength of blue light, penetration capacity is stronger, and i.e. relative intensity is bigger, when relative intensity is 1
Light transmittance is 100%；Conversely, relative intensity is smaller, so that optical thin film 14 can pass through the ambient light beyond blue light
Reflection or the mode absorbed are filtered out, and make recognition accuracy higher.
In addition, optional, above-mentioned optical thin film 14 can be arranged at display screen component 11, touch-screen by way of plated film
In component 12 and recognizer component 13 at least one set of part, so that in the case where improving recognition accuracy, display screen 10 can be improved
Aesthetics.
In the embodiment of the present invention, display screen includes display screen component, touch panel unit and recognizer component, display screen component
Including display unit and luminescence unit, the transmitting light of luminescence unit propagates to the appearance of touch panel unit by display unit
Face, the thing to be identified contacted with the outer surface of touch panel unit reflects to form reflected light by light is launched, and reflected light passes through touch-screen
Component and display unit propagate to recognizer component, and thing to be identified is identified according to reflected light for recognizer component；Display screen is also wrapped
Optical thin film is included, transmitting light and/or reflected light pass through optical thin film, or optical thin film to prevent outside transmitting light and reflected light
Light propagates to recognizer component.Optical thin film can be during thing to be identified be recognized, it is to avoid transmitting light and/or reflected light are being passed
The diffusing reflection of middle generation, refraction, scattering, diffraction, transmitting light are broadcast to the interference of reflected light or the interference of ambient light etc., so as to carry
The recognition accuracy of high electronic equipment.
Based on above-mentioned display screen 10, the embodiment of the present invention also provides a kind of electronic equipment, including above-mentioned display screen 10.
Because the structure of electronic equipment body is prior art, the structure of display screen 10 has been carried out in detail in the above-described embodiments
Describe in detail bright, therefore, the structure in the present embodiment for specific electronic equipment is repeated no more.
In the embodiment of the present invention, above-mentioned electronic equipment can be mobile terminal, for example：Mobile phone, tablet personal computer (Tablet
Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital
Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable device
(Wearable Device) etc., can also be other electronic equipments, the in full mechanical, electrical philosophical works of code-phase, navigator etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of display screen, it is characterised in that including display screen component, touch panel unit and recognizer component, the display screen
Component includes display unit and luminescence unit, and the transmitting light of the luminescence unit propagates to described touch by the display unit
The outer surface of screen assembly is touched, the thing to be identified contacted with the outer surface of the touch panel unit reflects to form the transmitting light instead
Light is penetrated, the reflected light propagates to the recognizer component, the identification group by the touch panel unit and the display unit
The thing to be identified is identified according to the reflected light for part；The display screen also include optical thin film, the transmitting light and/
Or the reflected light passes through the optical thin film, or the optical thin film to prevent outside the transmitting light and the reflected light
Light propagates to the recognizer component.
2. display screen according to claim 1, it is characterised in that the optical thin film includes anti-reflection film, optical filter, protection
At least one of film, polarizing coating, spectro-film and position phase film.
3. display screen according to claim 1, it is characterised in that the display screen includes the first optical thin film, the second light
Film and the 3rd optical thin film are learned, first optical thin film is located at the outer surface of the touch panel unit, second light
Learn film to be arranged between the display screen component and the touch panel unit, the 3rd optical thin film is arranged at the display
Between screen assembly and the recognizer component.
4. display screen according to claim 1, it is characterised in that the optical thin film is correspondingly arranged with identification region, and
The optical thin film cover its identification region in the plane projection, wherein, the identification region includes the touch-screen
Some or all of region on the outer surface of component, and the region is when touching the thing to be identified, the recognizer component
The thing to be identified can be identified；The identification region that is projected as of the identification region is put down where the optical thin film
Projection on face.
5. display screen according to claim 1, it is characterised in that if the optical thin film is optical filter, the optical filter
Projection around its institute's identification region in the plane is set, wherein, the identification region include the touch panel unit outside
Some or all of region on surface, and the region, when touching the thing to be identified, the recognizer component can be to described
Thing to be identified is identified；The identification region be projected as the identification region the optical thin film throwing in the plane
Shadow.
6. display screen according to claim 1, it is characterised in that described optically thin if the optical thin film is anti-reflection film
The refractive index of film is equal to the square root of the refractive index product of the optical thin film media of both sides.
7. display screen according to claim 1, it is characterised in that if the optical thin film is anti-reflection film, and the transmitting
Light is monochromatic light, thickness d=(2k+1) × (1/4 λ) of the optical thin film, wherein, λ is the wavelength of the transmitting light, and k is certainly
So count.
8. display screen according to claim 1, it is characterised in that the optical thin film is arranged at institute by way of plated film
State in display screen component, the touch panel unit and the recognizer component at least one set of part.
9. a kind of electronic equipment, it is characterised in that the electronic equipment is included according to any one in claim 1 to 8
Display screen.
10. electronic equipment according to claim 9, it is characterised in that the electronic equipment is mobile phone, tablet personal computer, knee
Appointing in laptop, personal digital assistant, mobile Internet access device, wearable device, navigator, e-book and digital camera
Meaning is a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256718.0A CN107092402A (en) | 2017-04-19 | 2017-04-19 | A kind of display screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256718.0A CN107092402A (en) | 2017-04-19 | 2017-04-19 | A kind of display screen and electronic equipment |
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| CN107092402A true CN107092402A (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710256718.0A Pending CN107092402A (en) | 2017-04-19 | 2017-04-19 | A kind of display screen and electronic equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107958237A (en) * | 2017-12-29 | 2018-04-24 | 维沃移动通信有限公司 | A kind of fingerprint recognition module and electronic equipment |
| CN108885696A (en) * | 2018-02-06 | 2018-11-23 | 深圳市汇顶科技股份有限公司 | Shield lower biometric devices and electronic equipment |
| CN109074491A (en) * | 2018-08-02 | 2018-12-21 | 深圳市汇顶科技股份有限公司 | Shield lower biometric devices and electronic equipment |
| CN109446908A (en) * | 2018-09-27 | 2019-03-08 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN109496311A (en) * | 2018-10-26 | 2019-03-19 | 深圳市汇顶科技股份有限公司 | Shield lower biometric devices and electronic equipment |
| CN110911440A (en) * | 2018-09-14 | 2020-03-24 | 云谷（固安）科技有限公司 | Display panel, display screen and display terminal |
| US10691917B2 (en) | 2018-02-06 | 2020-06-23 | Shenzhen GOODIX Technology Co., Ltd. | Under-screen biometric identification apparatus and electronic device |
| WO2021136142A1 (en) * | 2019-12-31 | 2021-07-08 | 维沃移动通信有限公司 | Optical module, optical fingerprint module and electronic device |
| CN113343756A (en) * | 2021-04-22 | 2021-09-03 | 电子科技大学 | Fingerprint identification module, display device, electronic equipment and preparation method |
| CN115755074A (en) * | 2022-10-29 | 2023-03-07 | 芯思杰技术(深圳)股份有限公司 | Display device and electronic apparatus |
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