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, being used to solve organic light-emitting diode display technology in the prior art cannot mutually merge with fingerprint identification technology
And realize the problem of 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, including organic LED display panel, the organic LED display panel include multiple array rows
The pixel region of cloth, the pixel region includes adjacent pixel cell and fingerprint identification unit, and the pixel cell is used to send coloured silk
The image light line formed image of color, the fingerprint identification unit includes sensing light emitting mould train and sensing light-receiving module, described
Sensing light emitting mould train is used to launch light sensing to finger, and the sensing light-receiving module is used for reception and is reflected by the finger
The light sensing, and convert optical signal into electric signal.
Further, the pixel region includes the Top electrode, organic luminous layer and the bottom electrode that are cascading, the upper electricity
Pole includes the first negative electrode and the second negative electrode, and the bottom electrode includes the first anode and second plate, first negative electrode, described has
Machine luminescent layer and the first anode are laminated to form the pixel cell, second negative electrode, the organic luminous layer and described
Second plate be laminated to be formed it is described sensing be provided between light emitting mould train, and first negative electrode and second negative electrode between
Gap, gap is provided between the first anode and the second plate, so that the pixel cell and the sensing light transmitting mould
Group works independently.
Further, the Top electrode also includes third anode, and the bottom electrode also includes the 3rd negative electrode, the 3rd sun
Pole, the organic luminous layer and the 3rd negative electrode are laminated to form the sensing light-receiving module, and the sensing light-receiving
Module is photodiode.
Further, gap, the 3rd negative electrode and described second are provided between the third anode and second negative electrode
Gap is provided between anode.
Further, the sensing light emitting mould train is infrared transmitter, and the sensing light-receiving module is infrared electro
Diode, the infrared photodiode is used to sense the infrared light that the infrared transmitter sends.
Further, the sensing light emitting mould train is visible light emitter, the sensing light for sending first wave length
Line, the sensing light-receiving module is photodiode corresponding with the first wave length, for sense the light sensing and
The light of the first wave length in described image light.
Further, the pixel cell includes the first sub-pixel, the second sub-pixel and the 3rd sub-pixel that are arranged in order, point
The described image light of different colours Yong Yu not sent to form coloured image output, the fingerprint identification unit is located at described the
Three sub-pixels are away from the side of second sub-pixel.
Further, first sub-pixel, second sub-pixel, the 3rd sub-pixel and the fingerprint identification unit
Section be size identical rectangle.
Further, the pixel cell includes the first sub-pixel, the second sub-pixel and the 3rd sub-pixel that are arranged in order, point
The described image light of different colours be used to not be sent to form coloured image output, first sub-pixel, second son
Pixel and the 3rd sub-pixel include the first short side, the second short side and the 3rd short side respectively, and first short side, described
Second short side and the 3rd short side are conllinear, and the fingerprint identification unit passes through first short side, second short side and institute
The 3rd short side is stated to be connected with the pixel cell.
On the other hand, the utility model also provides a kind of electronic equipment, the electronic equipment include system board and more than
Organic light-emitting diode (OLED) display screen fingerprint identification device described in any one, the system board and the Organic Light Emitting Diode
Display screen fingerprint identification device is electrically connected, and the system board is used to control the pixel cell display image, and treatment institute
State the fingerprint signal of fingerprint identification unit transmission.
The beneficial effects of the utility model are as follows:The pixel cell display image of pixel region, fingerprint identification unit is with optics
Formula fingerprint identification technology recognizes fingerprint, organic light-emitting diode display technology is mutually merged with fingerprint identification technology, multiple pictures
Plain area's arrangement form organic LED display panel, fingerprint identification function realizes on a display screen, makes organic light-emitting diodes
Pipe display panel has full frame fingerprint identification function, and simple structure is easily realized, fingerprint recognition precisely, meets Organic Light Emitting Diode
The requirement of the full frame fingerprint recognition of display device.
Specific 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 for being obtained, belongs to the scope of the utility model protection.
Also referring to Fig. 1, Fig. 2 and Fig. 3, the utility model embodiment one provides organic light-emitting diode (OLED) display screen fingerprint
Identifying device includes organic LED display panel, and organic LED display panel includes multiple pixel regions, wherein,
Each pixel region includes pixel cell 10 and fingerprint identification unit 12, and pixel cell 10 is adjacent with fingerprint identification unit 12, as
Plain unit 10 is used to send the image light line formed image of colour, fingerprint identification unit 12 include sensing light emitting mould train 122 with
Sensing light-receiving module 124, sensing light emitting mould train 122 is used to launch light sensing, sensing light-receiving module 124 to finger 30
Sent to system board treatment for receiving the light sensing reflected by finger 30, and converting optical signal into electric signal.Due to
The valley and a ridge of fingerprint is different to the reflection characteristic of light, therefore reflexes to the sensing light-receiving module of the position of the valley and a ridge of correspondence fingerprint
124 luminous intensity is also different, and the electric current that sensing light-receiving module 124 is produced is also just different.And pass through to analyze each sensing light-receiving
Electric current in module 124, can also learn they it is corresponding be fingerprint paddy or ridge, can finally draw the pattern of fingerprint.
Pixel region is known by fingerprint identification unit 12 by the display image of pixel cell 10 with optical fingerprint identification technology
Other fingerprint, makes organic light-emitting diode display technology mutually be merged with fingerprint identification technology, and multiple pixel region arrangement forms are organic
LED display panel, makes organic LED display panel have full frame fingerprint identification function, and simple structure is easily real
Existing, fingerprint recognition precisely, meets the requirement of the full frame fingerprint recognition of organic LED display device.
In the present embodiment, on the thickness direction of organic LED display panel, pixel region includes stacking gradually setting
Top electrode, organic luminous layer 200 and the bottom electrode put, Top electrode include the first negative electrode 222, and bottom electrode includes the first anode 224,
The stacking of first negative electrode 222, organic luminous layer 200 and the first anode 224 forms pixel cell 10, wherein, pixel cell 10 is have
Machine light emitting diode.Preferably, organic luminous layer 200 includes the first side 202 and the second side 204 that are oppositely arranged, respective pixel
First side 202 and the second side 204 of the organic luminous layer 200 of unit 10 connect the first negative electrode 222 and the first anode 224 respectively.
Specifically, organic luminous layer 200 can be by electron transfer layer, electron injecting layer, luminous material layer, hole injection layer, hole transport
The sandwich constructions such as layer composition, its essence is PN junction.In pixel cell 10, organic luminous layer 200 is respectively provided on two sides with PN junction
First negative electrode 222 and the first anode 224 of forward direction connection, so as to form Organic Light Emitting Diode, for luminous and shown.
Formula according to luminous material layer is different, and organic luminous layer 200 produces the trichromatic image light of red, green and blue.
Further, Top electrode also includes the second negative electrode 242, and bottom electrode includes second plate 244, the second negative electrode 342, has
Machine luminescent layer 200 and the stacking of second plate 244 form sensing light emitting mould train 122, wherein, sensing light emitting mould train 122 is also
Organic Light Emitting Diode.Preferably, first side 202 and the second side 204 of the organic luminous layer 200 of sensing light emitting mould train 122
Connect second negative electrode 242 and second plate 244 of the positive connection of PN junction respectively, so that Organic Light Emitting Diode is formed, and
Gap is provided between first negative electrode 222 and the second negative electrode 242, gap is provided between the first anode 224 and second plate 244, the
The mutually insulated of first negative electrode 222 of two negative electrodes 242 and pixel cell 10 simultaneously works independently, second plate 244 and pixel cell 10
The first anode 224 also mutually insulated and work independently, and sense the luminous material layer proportioning and pixel of light emitting mould train 122
The luminous material layer proportioning of unit 10 is different, that is, sense light emitting mould train 122 with pixel cell 10 to work independently from each other and sending out
Go out two different Organic Light Emitting Diodes of the wavelength of light.
Further, Top electrode also include third anode 262, bottom electrode also include the 3rd negative electrode 264, third anode 262,
Organic luminous layer 200 and the stacking of the 3rd negative electrode 264 form sensing light-receiving module 124, wherein, sensing light-receiving module 124 is
Photodiode.Preferably, first side 202 and the second side 204 of the organic luminous layer 200 of sensing light-receiving module 124 are distinguished
Connection the negative electrode 264 of third anode 262 and the 3rd, and the negative electrode 242 of third anode 262 and second opposite polarity, the 3rd negative electrode
264 with the opposite polarity of second plate 244, so as to sense the PN junction reversal connection in light-receiving module 124, formation can be by light
According to when produce electric current photodiode.Pixel cell 10 works independently with sensing light emitting mould train 122, and pixel cell 10 sends
Image light be used for display image, the light sensing that sensing light emitting mould train 122 sends is used to be sensed light-receiving module 124
Receive to recognize fingerprint, pixel cell 10 and the independent control of sensing light emitting mould train 122, be independent of each other.
Further, gap, the 3rd negative electrode 264 and second plate are provided between the negative electrode 242 of third anode 262 and second
Gap is provided between 244, that is, senses light emitting mould train 122 and the mutually insulated of sensing light-receiving module 124, each worked independently.
In a kind of implementation method, sensing light emitting mould train 122 is infrared transmitter, and sensing light-receiving module 124 is red
Outer photodiode, infrared photodiode is used to sense the infrared light that infrared transmitter sends.Infrared light is black light,
Therefore infrared light light does not interfere with the color of the image of image light formation.The display function of pixel cell 10 and fingerprint recognition list
The fingerprint identification function of unit 12 is independent of each other, and organic light-emitting diode display technology is mutually merged with fingerprint identification technology, makes
Organic LED display panel has full frame fingerprint identification function.
In another embodiment, sensing light emitting mould train 122 is visible light emitter, the sense for sending first wave length
Light-metering line, sensing light-receiving module 124 is photodiode corresponding with first wave length, for sensing light sensing and image light
The light of the first wave length in line.Photodiode can sense the light of different specific wavelengths according to the difference of its composition material
Line.Photodiode not only have received the light sensing of the transmitting of sensing light emitting mould train 122, also have received pixel cell 10
Included in the image light for sending with light sensing wavelength identical light, it is bright more that photodiode is received, and refers to
Line recognition effect more preferably, makes organic light-emitting diode display technology mutually be merged with fingerprint identification technology, makes organic light-emitting diodes
Pipe display panel has full frame fingerprint identification function.
In the present embodiment, pixel cell 10 includes the first sub-pixel 102, the second sub-pixel 104 and the 3rd that are arranged in order
Sub-pixel 106, is respectively used to send the image light of different colours to form coloured image output, sensing light emitting mould train 122
The 3rd sub-pixel 106 is respectively positioned on away from the side of the second sub-pixel 104 with sensing light-receiving module 124.In a kind of implementation method,
First sub-pixel 102, the second sub-pixel 104 and the 3rd sub-pixel 106 are respectively blue subpixels, green sub-pixels and red son
Pixel, is respectively used to send the image light of blue, green and red, and blue, green, red three primary colors are mutually combined to form colored picture
Face.The luminous mode of pixel cell 10 itself makes organic LED display panel have wide viewing angle, almost infinite high right
Than degree, compared with low power consumption, high reaction speed the advantages of.
Further, sensing light emitting mould train 122 is adjacent with the 3rd sub-pixel 106 with sensing light-receiving module 124, and
Positioned at the 3rd sub-pixel 106 away from the side of the second sub-pixel 104.Specifically, the first sub-pixel 102, the second sub-pixel 104 and
3rd sub-pixel 106 is size identical rectangle, and fingerprint identification unit 12 is also and the first sub-pixel 102 or the second sub-pixel
104 or the size identical rectangle of the 3rd sub-pixel 106.First sub-pixel 102, the second sub-pixel 104, the 3rd sub-pixel 106 and
The shape of fingerprint identification unit 12, size are identical, are beneficial to the design of pixel region and arrangement.
In the present embodiment, pixel region is arranged in arrays, and combination forms organic LED display panel, wherein, as
The Output matrix image that plain unit 10 is formed, whole display parts of the Matrix cover display panel that fingerprint identification unit 12 is formed
Point, by fingerprint identification unit 12 with optical fingerprint identification technology recognize fingerprint, make organic light-emitting diode display technology with
Fingerprint identification technology is mutually merged, multiple pixel region arrangement form organic LED display panels, makes organic light-emitting diodes
Pipe display panel has full frame fingerprint identification function, and simple structure is easily realized, fingerprint recognition precisely, meets Organic Light Emitting Diode
The requirement of the full frame fingerprint recognition of display device.
Refer to Fig. 4, the organic LED display panel that the utility model embodiment two is provided and embodiment one
Difference is that fingerprint identification unit 12 is different from the relative position of pixel cell 10 in pixel region.Specifically, pixel cell 10 is wrapped
The first sub-pixel 102, the second sub-pixel 104 and the 3rd sub-pixel 106 being arranged in order are included, is respectively used to send different colours
Described image light to form coloured image output, distinguish by the first sub-pixel 102, the second sub-pixel 104 and the 3rd sub-pixel 106
Including the first short side 1020, the second short side 1040 and the 3rd short side 1060, and the first short side 1020, the second short side 1040 and
Three short sides 1060 are conllinear, and fingerprint identification unit 12 is by the first short side 1020, the second short side 1040 and the 3rd short side 1060 and picture
Plain unit 10 is connected.
Pixel region is known by fingerprint identification unit 12 by the display image of pixel cell 10 with optical fingerprint identification technology
Other fingerprint, makes organic light-emitting diode display technology mutually be merged with fingerprint identification technology, and multiple pixel region arrangement forms are organic
LED display panel, makes organic LED display panel have full frame fingerprint identification function, and simple structure is easily real
Existing, 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 10, and the finger that treatment fingerprint identification unit 12 sends
Line signal.In practical application, the electronic equipment can be the terminal with OLED display screen, the OLED screen of the terminal can at it
Viewing area also has fingerprint identification function to vision area in other words, and the terminal can be mobile phone, panel computer etc..
Pixel region is known by fingerprint identification unit 12 by the display image of pixel cell 10 with optical fingerprint identification technology
Other fingerprint, makes organic light-emitting diode display technology mutually be merged with fingerprint identification technology, and multiple pixel region arrangement forms are organic
LED display panel, makes organic LED display panel have full frame fingerprint identification function, and simple structure is easily real
Existing, 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.