CN206401320U - Organic light-emitting diode (OLED) display screen fingerprint identification device and electronic equipment - Google Patents
Organic light-emitting diode (OLED) display screen fingerprint identification device and electronic equipment Download PDFInfo
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- CN206401320U CN206401320U CN201621283462.XU CN201621283462U CN206401320U CN 206401320 U CN206401320 U CN 206401320U CN 201621283462 U CN201621283462 U CN 201621283462U CN 206401320 U CN206401320 U CN 206401320U
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Abstract
The utility model discloses a kind of organic light-emitting diode (OLED) display screen fingerprint identification device, the organic light-emitting diode (OLED) display screen fingerprint identification device includes the glass substrate being stacked, pixel layer and transparent substrates, the pixel layer includes array arrangement in multiple pixel cells on the glass substrate, the image light that the multiple pixel cell is used to send multiple color is bound to each other to form coloured image, the transparent substrates include the first side being oppositely arranged and the second side, first side fits in the pixel layer, second side surface is additionally provided with multiple light receiving units, and each light receiving unit is located at the gap between the adjacent pixel cell in the orthographic projection of the transparent substrates.The utility model also provides a kind of electronic equipment.Organic light-emitting diode display technology is mutually merged with fingerprint identification technology, and fingerprint identification function is realized on a display screen, organic LED display panel is had full frame fingerprint identification function.
Description
Technical field
The utility model is related to display technology field, more particularly, to a kind of organic light-emitting diode (OLED) display screen fingerprint recognition
Device and electronic equipment.
Background technology
Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display device has luminous efficiency
Height, fast response time, easily realize flexible, actively luminous the advantages of be not required to backlight, therefore be applied widely.Meanwhile, with
The rise of fingerprint identification technology, how developers applies fingerprint identification technology in organic light-emitting diode display if beginning one's study
On device, so as to improve its security and operability.
In the prior art, organic LED display device additionally sets in non-display area and is individually used for fingerprint recognition
Capacitance type fingerprint sensing device further, capacitance type fingerprint sensing device further is complicated, and needs to be arranged at the non-display of display device
Area, increases non-display area area, influences display device overall structure, and organic light-emitting diode display technology can not be known with fingerprint
Other technology mutually merges and realizes full frame fingerprint recognition.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of organic light-emitting diode (OLED) display screen fingerprint identification device
And electronic equipment, can not mutually it be merged with fingerprint identification technology to solve organic light-emitting diode display technology in the prior art
And the problem of realize full frame fingerprint recognition.
In order to solve the above technical problems, on the one hand, the utility model provides a kind of organic light-emitting diode (OLED) display screen fingerprint
Identifying device, the organic light-emitting diode (OLED) display screen fingerprint identification device include be stacked glass substrate, pixel layer and
Transparent substrates and light receiving unit, the pixel layer include multiple pixels that pixel unit array is arranged on the glass substrate
Unit, the image light that the multiple pixel cell is used to send multiple color is bound to each other to form coloured image, described transparent
Substrate includes the first side being oppositely arranged and the second side, and first side fits in the pixel layer unit, second side table
Face is additionally provided with multiple light receiving units, and each described light receiving unit is located in the orthographic projection of the transparent substrates
Gap between the adjacent pixel cell.
Further, the organic light-emitting diode (OLED) display screen fingerprint identification device also includes optical filter, the optical filter position
Deviate from the surface of the transparent substrates in the light receiving unit, the optical filter only leads to the described image light of first wave length
Cross, so that the light receiving unit only senses the described image light of the first wave length.
Further, the organic light-emitting diode (OLED) display screen fingerprint identification device also includes multiple Optical Transmit Units, described
Multiple Optical Transmit Units are arranged at the surface of second side, and each described Optical Transmit Unit in the transparent substrates just
Projection is located at the gap between the adjacent pixel cell.
Further, the Optical Transmit Unit is infrared transmitter, and the light receiving unit is infrared photodiode, institute
Stating infrared photodiode is used to sense the infrared light that the infrared transmitter is sent.
Further, the Optical Transmit Unit is visible light emitter, the light sensing for sending second wave length, the light
Receiving unit is photodiode corresponding with the second wave length, for sensing the light sensing and the first wave length
Described image light.
Further, the Optical Transmit Unit is visible light emitter, the light sensing for sending the 3rd wavelength, the light
The surface of receiving unit is additionally provided with optical filter, and the optical filter only makes the described image of the light sensing and the 3rd wavelength
Light passes through, and the light receiving unit is photodiode, for sensing described in the light sensing and the first wave length
Image light.
Further, the material of the transparent substrates is glass or polymethyl methacrylate.
Further, the pixel cell includes metallic cathode, metal anode and positioned at the metallic cathode and the metal
Organic luminous layer between anode, the organic luminous layer is according to putting between the metallic cathode and the metal anode
The brightness for the described image light that the voltage control organic luminous layer is sent.
Further, the organic luminous layer includes red sub-pixel unit, green sub-pixels unit and blue subpixels list
Member, the red sub-pixel unit, the green sub-pixels unit and the blue subpixels unit laid out in parallel are in the sun
On the layer of pole, the red sub-pixel unit is used for the described image light for sending red, and the green sub-pixels unit is used to send out
Go out the described image light of green, the blue subpixels unit is used for the described image light for sending blueness.
On the other hand, the utility model also provides a kind of a kind of electronic equipment, the electronic equipment include system board and
Organic light-emitting diode (OLED) display screen fingerprint identification device described in any of the above, the system board and the organic light emission two
Pole pipe display screen fingerprint identification device is electrically connected, and the system board is used to control the pixel region display image, and processing
The fingerprint signal that the light-receiving module is sent.
The beneficial effects of the utility model are as follows：Pixel cell sends image light display image, parts of images light or
The light that Optical Transmit Unit is sent is received after finger reflection by light receiving unit, and light receiving unit recognizes skill with optical fingerprint
Art recognizes fingerprint, and light receiving unit is located at the gap of adjacent pixel cell, and pixel cell display image is not influenceed, makes to have
Machine diode displaying technology is mutually merged with fingerprint identification technology, and multiple pixel unit arrays arrange to form organic light emission two
Pole pipe display panel, fingerprint identification function is realized on a display screen, organic LED display panel is had full frame fingerprint
Identification function, easy realization simple in construction, fingerprint recognition precisely, meets the full frame fingerprint recognition of organic LED display device
It is required that.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other substantially modes of texturing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure for the organic light-emitting diode (OLED) display screen fingerprint identification device that the utility model embodiment one is provided
Figure.
Fig. 2 is that the work for the organic light-emitting diode (OLED) display screen fingerprint identification device that the utility model embodiment one is provided is former
Reason figure.
Fig. 3 is the structure for the organic light-emitting diode (OLED) display screen fingerprint identification device that the utility model embodiment two is provided
Figure.
Fig. 4 is that the work for the organic light-emitting diode (OLED) display screen fingerprint identification device that the utility model embodiment two is provided is former
Reason figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the organic light-emitting diode (OLED) display screen fingerprint recognition dress that the utility model embodiment one is provided
Glass substrate 10, pixel layer and transparent substrates 30 including being stacked are put, pixel layer includes array arrangement in glass substrate 10
On multiple pixel cells 20, multiple pixel cells 20, which are used to sending the image light of multiple color, is bound to each other to form cromogram
Picture.One pixel cell 20 is only shown, other pixel cells 20 of pixel layer are not shown, other pixel cells of pixel layer in figure
20 is identical with the 26S Proteasome Structure and Function of illustrated pixel cell 20.In the present embodiment, image light mainly includes red light, green light
And blue ray, red light, green light and blue ray are sent by each sub-pixel unit in pixel cell respectively, each
Individual sub-pixel unit sends a kind of image light of color.Each pixel cell 20 is according to red light, green light and indigo plant
The respective brightness difference of coloured light line is mixed to form a pixel, and multiple pixels that multiple pixel cells 20 are generated are bound to each other to form
Colored image.
Transparent substrates 30 include the first side 302 and the second side 304 being oppositely arranged, and the first side 302 fits in pixel layer, the
The surface of two side 304 is additionally provided with multiple light receiving units 40, and each light receiving unit 40 is in the orthographic projection of transparent substrates 30
Gap between adjacent pixel cell 20.Light receiving unit 40 does not block pixel cell 20, sends pixel cell 20
Image light combine to form coloured image and smoothly observed by user.When user is operated on image with finger 60
When, the parts of images light that pixel cell 20 is sent is reflected on the surface of finger 60, due to reflection of the valley and a ridge to light of fingerprint
Characteristic is different, therefore the image light intensity for reflexing to the light receiving unit 40 of the position of the valley and a ridge of correspondence fingerprint is also different, light
The electric current that receiving module is produced is also just different.And by analyzing the electric current in each light-receiving module, can also learn their correspondences
Be fingerprint paddy or ridge, can finally draw the pattern of fingerprint.
Pixel cell 20 sends image light display image, and parts of images light is after the reflection of finger 60 by light receiving unit
40 receive, and light receiving unit 40 recognizes fingerprint with optical fingerprint identification technology, make organic light-emitting diode display technology and finger
Line identification technology is mutually merged, the multiple array arrangement of pixel cell 20 formation organic LED display panels, fingerprint recognition
Function is realized on a display screen, organic LED display panel is had full frame fingerprint identification function, easy reality simple in construction
Existing, fingerprint recognition precisely, meets the requirement of the full frame fingerprint recognition of organic LED display device.
In the present embodiment, organic light-emitting diode (OLED) display screen fingerprint identification device also includes optical filter 402, optical filter 50
Deviate from the surface of transparent substrates 30 in light receiving unit 40, optical filter 50 only passes through the image light of first wave length, so that light
Receiving unit 40 only senses the image light of first wave length.For example, first wave length is the wavelength of feux rouges, optical filter 402 only makes red
The image light of color passes through, and light receiving unit 40 only receives and senses the intensity of feux rouges, the red sent according to pixel cell 20
Image light intensity and the intensity of the red image light reflected by finger 60 that receives of light receiving unit 40 can obtain
Know they it is corresponding be fingerprint paddy or ridge, can finally draw the pattern of fingerprint.It can obtain specific using optical filter 402
The image light of wavelength, the intensity before being reflected using the image light of specific wavelength on finger 60 and the intensity after reflection are more smart
The true pattern for judging fingerprint.
In the present embodiment, pixel cell 20 includes metallic cathode 202, metal anode 204 and positioned at metallic cathode 202 and gold
Belong to the organic luminous layer 200 between anode 204, organic luminous layer 200 is according to putting on metallic cathode 202 and metal anode 204
Between the brightness of image light that sends of voltage control organic luminous layer 200.Specifically, organic luminous layer 200 can be by electronics
The sandwich constructions such as transport layer, electron injecting layer, luminous material layer, hole injection layer, hole transmission layer are constituted, and its essence is PN
Knot.In pixel cell 20, the both sides of organic luminous layer 200 are respectively equipped with the metallic cathode 202 and metal of PN junction forward direction connection
Anode 204, so that Organic Light Emitting Diode is formed, for lighting and being shown.It is different according to the formula of luminous material layer, have
Machine luminescent layer 200 produces the trichromatic image light of red, green and blue.
Organic luminous layer 200 includes red sub-pixel unit, green sub-pixels unit and blue subpixels unit, red son
Pixel cell, green sub-pixels unit and blue subpixels unit laid out in parallel are on metal anode 204, red sub-pixel unit
Image light for sending red, green sub-pixels unit is used for the image light for sending green, and blue subpixels unit is used
In the image light for sending blueness.Luminescence unit uses the self luminous method display image of organic luminous layer 200, without providing the back of the body
Light source, red light, green light and indigo plant that red sub-pixel unit, green sub-pixels unit and blue subpixels unit are sent
Coloured light line combines to form coloured image, make display device have wide viewing angle, almost infinite high contrast, compared with low power consumption, high
The features such as reaction speed.
In the present embodiment, the material of transparent substrates 30 is glass or polymethyl methacrylate, and transparent substrates 30 are used as company
The part of light receiving unit 40 and pixel cell 20 is connect, is made using the glass or polymethyl methacrylate of high transmittance, is dropped
The loss for the image light that low pixel cell 20 is sent, and improve the degree of accuracy of fingerprint recognition.
Pixel cell 20 sends image light display image, and parts of images light is after the reflection of finger 60 by light receiving unit
40 receive, and light receiving unit 40 recognizes fingerprint with optical fingerprint identification technology, and light receiving unit is located at adjacent pixel
The gap of unit 20, the display image of pixel cell 20 is not influenceed, makes organic light-emitting diode display technology and fingerprint identification technology
Mutually fusion, the multiple array arrangement of pixel cell 20 formation organic LED display panels, fingerprint identification function is in display
Realized on screen, make organic LED display panel that there is full frame fingerprint identification function, easy realization simple in construction, fingerprint recognition
Precisely, the requirement of the full frame fingerprint recognition of organic LED display device is met.
Fig. 3 and Fig. 4 are referred to, the organic light-emitting diode (OLED) display screen fingerprint recognition dress that the utility model embodiment two is provided
The difference put with embodiment one is that organic light-emitting diode (OLED) display screen fingerprint identification device also includes multiple Optical Transmit Units
50, multiple Optical Transmit Units 50 are arranged at the surface of the second side 304, and each Optical Transmit Unit 50 in transparent substrates 30 just
Projection is located at the gap between adjacent pixel cell 20.In a kind of embodiment, Optical Transmit Unit 50 and light receiving unit 40
The arranged adjacent in transparent substrates 30.
In a kind of embodiment, Optical Transmit Unit 50 is infrared transmitter, and light receiving unit 40 is the pole of infrared electro two
Pipe, infrared photodiode is used to sense the infrared light that infrared transmitter is sent.The infrared light light that Optical Transmit Unit 50 is sent
Line is received after being reflected by finger 60 by light receiving unit 40, and light receiving unit 40 recognizes fingerprint with optical fingerprint identification technology,
Organic light-emitting diode display technology is set mutually to be merged with fingerprint identification technology, multiple array arrangements of pixel cell 20 form organic
LED display panel, fingerprint identification function is realized on a display screen, has organic LED display panel complete
Shield fingerprint identification function, easy realization simple in construction, fingerprint recognition precisely, meets the full frame fingerprint of organic LED display device
The requirement of identification.
In another embodiment, Optical Transmit Unit 50 is visible light emitter, the sensing light for sending second wave length
Line, light receiving unit 40 is photodiode corresponding with second wave length, the image for sensing light sensing and first wave length
Light.Photodiode can sense the light of different specific wavelengths according to the difference of its composition material.Photodiode is not
The light sensing that sensing Optical Transmit Unit 50 is launched only is have received, also be have received in the image light that pixel cell 20 is sent
Comprising with light sensing wavelength identical light, it is bright more that photodiode is received, fingerprint recognition effect more preferably, make
Organic light-emitting diode display technology is mutually merged with fingerprint identification technology, has organic LED display panel full frame
Fingerprint identification function.
In other embodiment, Optical Transmit Unit 50 be visible light emitter, the light sensing for sending the 3rd wavelength,
The surface of light receiving unit 40 is additionally provided with optical filter 50, and optical filter 50 only leads to the image light of light sensing and the 3rd wavelength
Cross, light receiving unit 40 is photodiode, the image light for sensing light sensing and first wave length.Present embodiment
In, photodiode need not be made using certain material, and optical filter 50, which is served, makes light receiving unit 40 sense specific wavelength
Light effect.The light that optical filter 50 is filtered through optical filter 50 and received by light receiving unit 40, makes light receiving unit 40
Only receive the light of specific wavelength.For example, from optical filter 50 only through red light wavelength, then photodiode is according to red
The intensive analysis red light for the red light that the image light of color, the intensity of light sensing and light receiving unit 40 are received exists
The paddy of fingerprint or ridge are reflected.The requirement to photodiode can be reduced using the effect of optical filter 50, it is not necessary to used
The photodiode material of specific wavelength can only be sensed, equipment cost is reduced.
Pixel cell 20 sends image light display image, and the light that parts of images light and Optical Transmit Unit 50 are sent exists
Finger 60 is received after reflecting by light receiving unit 40, and light receiving unit 40 recognizes fingerprint with optical fingerprint identification technology, and
Light receiving unit is located at the gap of adjacent pixel cell 20, and the display image of pixel cell 20 is not influenceed, makes organic light-emitting diodes
Pipe Display Technique is mutually merged with fingerprint identification technology, the multiple array arrangement of pixel cell 20 formation organic light-emitting diode displays
Panel, fingerprint identification function is realized on a display screen, organic LED display panel is had full frame fingerprint identification function,
Easy realization simple in construction, fingerprint recognition precisely, meets the requirement of the full frame fingerprint recognition of organic LED display device.
The utility model also provides a kind of electronic equipment, organic light-emitting diode (OLED) display apparatus include system board and more than
Described organic light-emitting diode (OLED) display screen fingerprint identification device, system board and organic light-emitting diode (OLED) display screen fingerprint recognition
Device is electrically connected, and system board is used to control the display image of pixel cell 20, and the fingerprint that processing light receiving unit 40 is sent
Signal.In practical application, the electronic equipment can be the terminal with OLED display screen, the OLED screen of the terminal is visual at its
Viewing area also has fingerprint identification function in other words in area, and the terminal can be mobile phone, tablet personal computer etc..
Pixel cell 20 sends image light display image, and the light that parts of images light and Optical Transmit Unit 50 are sent exists
Finger 60 is received after reflecting by light receiving unit 40, and light receiving unit 40 recognizes fingerprint with optical fingerprint identification technology, and
Light receiving unit is located at the gap of adjacent pixel cell 20, and the display image of pixel cell 20 is not influenceed, makes organic light-emitting diodes
Pipe Display Technique is mutually merged with fingerprint identification technology, the multiple array arrangement of pixel cell 20 formation organic light-emitting diode displays
Panel, fingerprint identification function is realized on a display screen, organic LED display panel is had full frame fingerprint identification function,
Easy realization simple in construction, fingerprint recognition precisely, meets the requirement of the full frame fingerprint recognition of organic LED display device.
Above disclosed is only several preferred embodiments of the utility model, can not limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to
The equivalent variations that the utility model claim is made, still fall within the scope that utility model is covered.
Claims (10)
1. a kind of organic light-emitting diode (OLED) display screen fingerprint identification device, it is characterised in that the organic light-emitting diode display
Screen fingerprint identification device includes glass substrate, pixel layer and the transparent substrates being stacked, and the pixel layer includes array arrangement
In multiple pixel cells on the glass substrate, the image light that the multiple pixel cell is used to send multiple color is mutual
Coloured image is combined to form, the transparent substrates include the first side being oppositely arranged and the second side, and first side fits in institute
Pixel layer is stated, second side surface is additionally provided with multiple light receiving units, and each light receiving unit is in the transparent lining
The orthographic projection at bottom is located at the gap between the adjacent pixel cell.
2. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 1, it is characterised in that described organic
Light emitting diode (LED) display screen fingerprint identification device also includes optical filter, and the optical filter is located at the light receiving unit away from described
The surface of transparent substrates, the optical filter only passes through the described image light of first wave length, so that the light receiving unit is only
Sense the described image light of the first wave length.
3. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 2, it is characterised in that described organic
Light emitting diode (LED) display screen fingerprint identification device also includes multiple Optical Transmit Units, and the multiple Optical Transmit Unit is arranged at described
The surface of second side, and each Optical Transmit Unit the transparent substrates orthographic projection be located at the adjacent pixel cell it
Between gap.
4. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 3, it is characterised in that the light hair
Unit is penetrated for infrared transmitter, the light receiving unit is infrared photodiode, the infrared photodiode is used to feel
The infrared light for answering the infrared transmitter to send.
5. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 3, it is characterised in that the light hair
Unit is penetrated for visible light emitter, the light sensing for sending second wave length, the light receiving unit is and second ripple
Long corresponding photodiode, the described image light for sensing the light sensing and the first wave length.
6. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 3, it is characterised in that the light hair
Unit is penetrated for visible light emitter, the light sensing for sending the 3rd wavelength, the surface of the light receiving unit is additionally provided with filter
Mating plate, the optical filter only passes through the light sensing and the described image light of the 3rd wavelength, the light-receiving list
Member is photodiode, the described image light for sensing the light sensing and the first wave length.
7. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 1, it is characterised in that described transparent
The material of substrate is glass or polymethyl methacrylate.
8. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 1, it is characterised in that the pixel
Unit includes metallic cathode, metal anode and the organic luminous layer between the metallic cathode and the metal anode, institute
State organic luminous layer and the organic luminous layer is controlled according to the voltage put between the metallic cathode and the metal anode
The brightness of the described image light sent.
9. organic light-emitting diode (OLED) display screen fingerprint identification device according to claim 8, it is characterised in that described organic
Luminescent layer includes red sub-pixel unit, green sub-pixels unit and blue subpixels unit, the red sub-pixel unit, institute
Green sub-pixels unit and the blue subpixels unit laid out in parallel are stated on the anode layer, the red sub-pixel unit
Described image light for sending red, the green sub-pixels unit is used for the described image light for sending green, described
Blue subpixels unit is used for the described image light for sending blueness.
10. a kind of electronic equipment, it is characterised in that the electronic equipment includes any one of system board and claim 1 to 9 institute
The organic light-emitting diode (OLED) display screen fingerprint identification device stated, the system board refers to the organic light-emitting diode (OLED) display screen
Line identifying device is electrically connected, and the system board is used to control the pixel region display image, and handles the light-receiving mould
The fingerprint signal that group is sent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283462.XU CN206401320U (en) | 2016-11-28 | 2016-11-28 | Organic light-emitting diode (OLED) display screen fingerprint identification device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283462.XU CN206401320U (en) | 2016-11-28 | 2016-11-28 | Organic light-emitting diode (OLED) display screen fingerprint identification device and electronic equipment |
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| CN206401320U true CN206401320U (en) | 2017-08-11 |
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| WO2019174506A1 (en) * | 2018-03-13 | 2019-09-19 | 维沃移动通信有限公司 | Display assembly, display control method, display control apparatus, and terminal |
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| CN107728979A (en) * | 2017-09-30 | 2018-02-23 | 联想(北京)有限公司 | A kind of processing method and electronic equipment |
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Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330000 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330000 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
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