CN109616508A - Display screen, display panel drive method and display device - Google Patents
Display screen, display panel drive method and display device Download PDFInfo
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- CN109616508A CN109616508A CN201910019656.0A CN201910019656A CN109616508A CN 109616508 A CN109616508 A CN 109616508A CN 201910019656 A CN201910019656 A CN 201910019656A CN 109616508 A CN109616508 A CN 109616508A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
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- Engineering & Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
This application involves field of display technology, in particular to a kind of display screen, display panel drive method and display device.The display screen includes substrate, pixel-array unit, driving circuit and fingerprint recognition device.The pixel-array unit includes fingerprint identification area and the lower fingerprint identification area of screen under non-screen.The sub-pixel number that fingerprint identification area unit area includes under the screen is less than the sub-pixel number that fingerprint identification area unit area includes under the non-screen.Fingerprint identification area uses sub-pixel optimization processing algorithm to carry out driving and shows under the screen.The display screen provided herein reduces the setting of metal layer, increases the reflectance-transmittance rate of light fingerprint identification area under the screen.It is stronger with sensitivity that the display screen makes the recognition accuracy of optical finger print higher.
Description
Technical field
This application involves field of display technology, in particular to a kind of display screen, display panel drive method and display device.
Background technique
Fingerprint identification technology is rapidly growing under shielding in recent years, and it is with fastest developing speed to become technology for fingerprint especially under optical panel.But
It is that traditional scheme layer structure that fingerprint identification area is accumulated under screen is more, complex process.The fingerprint identification area especially under screen
Metal layer can largely effect on and shield lower fingerprint region to the reflectance-transmittance rate of light, to influence recognition accuracy and the spirit of optical finger print
Sensitivity.
Summary of the invention
Based on this, it is necessary to, complex process more for the layer structure that fingerprint identification area is accumulated under screen, and influence to shield
The reflectance-transmittance rate of lower fingerprint light, to influence the recognition accuracy and sensitivity problem of optical finger print, provide a kind of display screen,
Display panel drive method and display device.
A kind of display screen, comprising:
Substrate；
Pixel-array unit, is set to the surface of the substrate, and the pixel-array unit includes fingerprint recognition under non-screen
Area and shield lower fingerprint identification area, fingerprint identification area respectively includes multiple sub- pictures under fingerprint identification area and the screen under the non-screen
Element, wherein the sub-pixel number that fingerprint identification area unit area includes under the screen is less than fingerprint identification area list under the non-screen
The sub-pixel number that plane product includes, fingerprint identification area drive using sub-pixel optimization processing algorithm aobvious under the screen
Show；
Driving circuit, for sending control signal to the pixel-array unit；And
Fingerprint recognition device is set to surface of the substrate far from the pixel-array unit, refers to down for realizing screen
Line identification.
In one embodiment, under the non-screen fingerprint identification area the sub-pixel the substrate surface battle array
Column arrangement, the display screen further include:
A plurality of first data line extends in a first direction distribution, and fingerprint is known under the first data line of each and the non-screen
Multiple sub-pixels in other area along first direction distribution are electrically connected；
A plurality of second data line extends in a first direction distribution, and fingerprint is known under the second data line of each and the non-screen
Along the first party along fingerprint identification area under the multiple sub-pixels and the screen of first direction distribution in other area
It is electrically connected to multiple sub-pixels of distribution；And
A plurality of third data line extends in a first direction distribution, refers under third data line described in each and the non-screen
The sub-pixel in line cog region along first direction distribution is electrically connected.
In one embodiment, the sub-pixel includes red sub-pixel, blue subpixels and green sub-pixels, each
The color of the sub-pixel of the first data line electrical connection is identical, the son of the electrical connection of the second data line described in each
The color of pixel is identical, and the color of the sub-pixel of the electrical connection of third data line described in each is identical.
In one embodiment, the number of the sub-pixel of the electrical connection of the first data line described in each is equal to each
The number of the sub-pixel of the second data line electrical connection.
In one embodiment, in the sub-pixel in a second direction on, a red sub-pixel being arranged successively, one
Blue subpixels and a green sub-pixels are one group, are located at same in the second direction in fingerprint identification area under the non-screen
It is same in the second direction positioned at fingerprint identification area under the screen that sub-pixel described in three groups of a line shows that data are converted to
Sub-pixel described in capable two groups shows data, so that there are what part sub-pixel shared to show for fingerprint identification area under the screen
As.
In one embodiment, at least two directions under the surface of the substrate, the screen except fingerprint identification area
The sub-pixel is set, wherein has four direction except fingerprint identification area under the surface of the substrate, the screen, respectively
For first direction, second direction, third direction and fourth direction, the first direction, the second direction, the third direction
And the fourth direction sequentially between differ 90 ° respectively.
In one embodiment, the sub-pixel is arranged in three directions under the screen except fingerprint identification area.
A kind of display panel drive method shows that the display screen includes pixel array for realizing the subregion of display screen
Unit and driving circuit, the pixel-array unit have fingerprint identification area under non-screen and shield lower fingerprint identification area, the non-screen
Fingerprint identification area respectively includes multiple sub-pixels under lower fingerprint identification area and the screen；The driving circuit and the pixel array
Multiple sub-pixels in unit are electrically connected；
The display panel drive method includes:
S100 obtains the coordinate range of fingerprint identification area under the screen, and the coordinate range is stored in the driving
Circuit；
S200 applies the first driving voltage to multiple sub-pixels of fingerprint identification area under the non-screen, to realize figure
As the display of data；
S300 carries out at data algorithm the sub-pixel in the coordinate range using sub-pixel optimization processing algorithm
Reason, so that the sub-pixel of fingerprint identification area realizes the display of image data, institute with the second driving voltage under the screen
It is identical as the display state of fingerprint identification area under the non-screen to state the lower fingerprint identification area of screen.
In one embodiment, the display screen further include:
A plurality of first data line extends in a first direction distribution, and fingerprint is known under the first data line of each and the non-screen
Multiple sub-pixels in other area along first direction distribution are electrically connected；
A plurality of second data line extends in a first direction distribution, and fingerprint is known under the second data line of each and the non-screen
Along the first party along fingerprint identification area under the multiple sub-pixels and the screen of first direction distribution in other area
It is electrically connected to multiple sub-pixels of distribution；And
A plurality of third data line extends in a first direction distribution, and fingerprint is known under each third data line and the non-screen
Multiple sub-pixels in other area along first direction distribution are electrically connected；
The color of the sub-pixel of the electrical connection of first data line described in each is identical, the second data line described in each
The color of the sub-pixel of electrical connection is identical, and the color of the sub-pixel of the electrical connection of third data line described in each is identical
The display panel drive method includes:
Multiple sub-pixels in the first data line described in each apply first driving voltage, to realize figure
As the display of data；
The second data line described in each applies second driving voltage；
Third data line described in each applies third driving voltage, wherein adjusts the big of the third driving voltage
It is small so that in the voltage and first data line that each the described sub-pixel being electrically connected in the third data line obtains
The voltage that each of electrical connection sub-pixel obtains is identical.
A kind of display device, comprising: display screen and master controller as described in any one of the above embodiments；
The master controller is electrically connected with the fingerprint recognition device, the finger for being obtained according to the fingerprint recognition device
Line identification signal realizes the display control to the display screen.
This application involves field of display technology, in particular to a kind of display screen, display panel drive method and display device.Institute
Stating display screen includes substrate, pixel-array unit, driving circuit and fingerprint recognition device.The pixel-array unit is set to
The substrate.The pixel-array unit includes fingerprint identification area and the lower fingerprint identification area of screen under non-screen.Fingerprint under the non-screen
Fingerprint identification area respectively includes multiple sub-pixels under cog region and the screen.Fingerprint identification area unit area includes under the screen
Sub-pixel number is less than the sub-pixel number that fingerprint identification area unit area includes under the non-screen.The fingerprint recognition under the screen
Area carries out driving using sub-pixel optimization processing algorithm and shows.Driving circuit is electrically connected with the pixel-array unit, for
The pixel-array unit sends control signal.Fingerprint recognition device is set to the substrate far from the pixel-array unit
Surface, for realizing lower fingerprint recognition is shielded.The display screen provided herein, fingerprint identification area is arranged more under the screen
Few sub-pixel structure, and driving is carried out using sub-pixel optimization processing algorithm and is shown.The display screen provided herein
The setting for reducing metal layer increases the reflectance-transmittance rate of light fingerprint identification area under the screen.The display screen makes light
The recognition accuracy for learning fingerprint is higher stronger with sensitivity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display screen provided in the application one embodiment；
Fig. 2 is the schematic diagram of internal structure of the display screen provided in the application one embodiment；
Fig. 3 is the direction schematic diagram in the display screen inner plane provided in the application one embodiment；
Fig. 4 is the direction schematic diagram in the display screen inner plane provided in the application one embodiment；
Fig. 5 is the structural schematic diagram of the display screen provided in the application one embodiment；
Fig. 6 is the schematic diagram of internal structure of the display screen provided in the application one embodiment；
Fig. 7 is the display panel drive method flow chart provided in the application one embodiment；
Fig. 8 is the structural schematic diagram of the display device provided in the application one embodiment.
Drawing reference numeral explanation:
Display screen 100
Substrate 10
Pixel-array unit 20
Sub-pixel 201
Fingerprint identification area 21 under non-screen
Shield lower fingerprint identification area 22
First data line 210
Second data line 220
Third data line 230
Driving circuit 30
Fingerprint recognition device 32
Cover board 40
Display device 200
Master controller 50
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, the fingerprint identification area under screen is generally used to accumulate many layer structures in traditional scheme,
Complex process.The metal layer that fingerprint identification area stacks especially under screen can largely effect under screen fingerprint region to the reflectance-transmittance of light
Rate, to influence recognition accuracy and the sensitivity of optical finger print.Through inventor the study found that if it is desired to realizing that display screen is shielding
The reflectance-transmittance rate of lower fingerprint identification area light is higher, it is possible to reduce the film layer quantity that fingerprint identification area is arranged under screen, especially
Reduce the metal layer quantity that fingerprint identification area is arranged under screen.The metal layer quantity that fingerprint identification area is arranged under screen is reduced, it can
To realize that shielding lower fingerprint identification area has higher recognition accuracy and stronger sensitivity in optical finger print.
The application provides a kind of display screen, display panel drive method and display device.Display screen fingerprint under screen is known
Less sub-pixel structure is arranged in other area.The display screen provided herein reduces the setting of metal layer, increases light
The reflectance-transmittance rate of fingerprint identification area under the screen.The display screen makes the recognition accuracy of optical finger print higher and sensitive
It spends stronger.
Screen body display methods provided by the present application can be directed to Organic Light Emitting Diode (Organic Light-
Emitting Diode, abbreviation OLED) screen body structure.OLED screen body has self luminous characteristic.General OLED device is using non-
Often thin coating of organic material and glass substrate, when a current passes through, these organic materials will shine, and OLED is shown
Screen visible angle is big, and can save electric energy.From the point of view of the luminous organic material used with OLED, small molecule device can be selected
Part system, can also select conjugacy macromolecule is the macromolecule device system of material.For shield body monitoring confidence level,
Electrical characteristic, produce stability requirement from the point of view of, small molecule OLED device application it is more extensive.
Referring to Fig. 1, providing a kind of display screen 100 in one embodiment of the application.The display screen 100 includes base
Plate 10, pixel-array unit 20, driving circuit 30, fingerprint recognition device 32 and cover board 40.
The substrate 10 can be hard panel glass or flexible screen polyimides.The pixel-array unit 20 is set to institute
State the surface of substrate 10.
The pixel-array unit 20 includes fingerprint identification area 21 and the lower fingerprint identification area 22 of screen under non-screen.Under the non-screen
Fingerprint identification area 22 respectively includes multiple sub-pixels 201 under fingerprint identification area 21 and the screen.Wherein, fingerprint recognition under the screen
201 numbers of sub-pixel that 22 unit area of area includes are less than the sub-pixel that 21 unit area of fingerprint identification area includes under the non-screen
201 numbers.The number for the sub-pixel 201 that fingerprint identification area 22 is arranged under the screen is less than the fingerprint under the non-screen and knows
The number for the sub-pixel 201 that other area 21 is arranged, so that fingerprint identification area 21 can have more transparent areas under the screen
Domain.Fingerprint identification area 22 uses sub-pixel optimization processing algorithm to carry out driving and shows under the screen.Sub-pixel optimization processing
(Sub Pixel Rendering, also known as SPR.Sub-pixel number can be reduced by SPR algorithm process, so that the sub- picture
Quantity of the element 201 on the display screen 100 can be reduced, and design space is relaxed, the finished product yield of the display screen 100
It is improved.The display screen 100 has higher penetrance, lower power consumption, more easily driving mechanism.Meanwhile institute
The function of fingerprint recognition can be realized under higher light intensity or more light by stating fingerprint recognition device 32.
The driving circuit 30 is set to the substrate 10.In the driving circuit 30 and the pixel-array unit 20
The multiple sub-pixel is electrically connected, for sending control signal to the pixel-array unit 20.In one embodiment,
The driving circuit 30 can be set on flexible FPC circuit board.The flexible circuit board is bent, and the driving circuit 30 can
To be folded into surface of the substrate 10 far from the pixel-array unit 20.
The fingerprint recognition device 32 is set to surface of the substrate 10 far from the pixel-array unit 20.The finger
Fingerprint identification area 22 under the corresponding screen of line recognition means 32.The fingerprint recognition device 32 is for realizing the lower fingerprint recognition of screen.
The Fingerprint Identification Unit 32 can select photosensitizing type sensor.The photosensitizing type sensor is set to the lower section of the cover board 40,
The Fingerprint Identification Unit 32, which can recognize, obtains finger mark.Certain Fingerprint Identification Unit 32 can also be other optional knowledges
Other device.
The cover board 40 covers the pixel-array unit 20 and the driving circuit 30 is arranged.Specifically, the cover board
40 can not be with the pixel-array unit 20 and the driving circuit 30 and directly contact.Such as in the cover board 40 and institute
It states and also sets up encapsulating structure and/touch-control structure between pixel-array unit 20.The cover board 40 can be glass cover-plate, that is,
It is set to the glassy layer on 20 upper layer of pixel-array unit.In some special display screens 100, the cover board 40 can be
Fibreglass reinforced plastic cover, metal cover board, wooden cover board, plastic cover plate, any one in stone matter cover board.
In the present embodiment, the sub-pixel number that 22 unit area of fingerprint identification area includes under the screen is less than under the non-screen
The sub-pixel number that 21 unit area of fingerprint identification area includes.The display screen 100 provided herein, refers under the screen
Less sub-pixel structure is arranged in line cog region 22.The display screen provided herein reduces the setting of metal layer, increases
The reflectance-transmittance rate of light fingerprint identification area 22 under the screen is added.The display screen 100 makes the fingerprint recognition under the screen
Realize that the recognition accuracy of optical finger print is higher and sensitivity is stronger in area 22.The display screen provided by the present application 100 is described
Shield the display effect of lower fingerprint identification area 22 under the non-screen display effect of fingerprint identification area 21 it is identical, the display screen
100 whole pictures show that roughness is also identical.
Referring to Fig. 2, the display screen 100 provided in one embodiment, is located at fingerprint identification area under the non-screen
21 sub-pixel 201 is arranged in the surface array of the substrate 10.The display screen 100 further includes a plurality of first data line
210, a plurality of second data line 220 and a plurality of third data line 230.
A plurality of first data line 210 extends in a first direction distribution.The first data line of each 210 and the non-screen
Multiple sub-pixels 201 in lower fingerprint identification area 21 along first direction distribution are electrically connected.
A plurality of second data line 220 extends in a first direction distribution.The second data line of each 220 and the non-screen
In lower fingerprint identification area 21 under the sub-pixel 201 and the screen of the first direction distribution edge along fingerprint identification area 22
The sub-pixel 201 of the first direction distribution is electrically connected.
The a plurality of third data line 230 extends in a first direction distribution.Third data line 230 described in each with it is described
The sub-pixel 201 under non-screen in fingerprint identification area 21 along first direction distribution is electrically connected.Each of them
The number of the sub-pixel 201 of three data lines 230 electrical connection is less than the described of the electrical connection of the first data line 210 described in each
The number of sub-pixel 201.
In the present embodiment, a plurality of first data line 210, a plurality of second data line 220 and a plurality of third data line are set
230 for realizing the driving circuit 30 to the drive control of the pixel-array unit 20.In the present embodiment, described a plurality of
The position of three fingerprint identification areas 22 under the screen of data line 230, is no longer electrically connected the sub-pixel 201, so that under the screen
Fingerprint identification area 22 has more gap, and more light can be allowed to pass through, optimize the knowledge of the fingerprint recognition device 32
Other environment.
In one embodiment, the sub-pixel 201 includes red sub-pixel, blue subpixels or green sub-pixels.
The color of the sub-pixel 201 of the electrical connection of first data line 210 described in each is identical.Second data line described in each
The color of the sub-pixel 201 of 220 electrical connections is identical.The sub-pixel of the electrical connection of third data line 230 described in each
201 color is identical.
In the present embodiment, the sub-pixel 201 that setting data line is electrically connected same color can make the driving electricity
It road 30 being capable of the more simple and effective driving data that data line described in each is set.For example, the sub- picture of same color
The display gamma value of element 201 is more close, can be according to one data of a data line when adjustment shows this parameter of gamma
The form of line is adjusted.It is understood that in other examples, data line electrical connection different colours also to can be set
The sub-pixel 201.If a data line is electrically connected the sub-pixel 201 of different colours, the driving circuit 30 exists
More complicated setting can be carried out when adjusting the driving data of the sub-pixel 201.
In one embodiment, the number of the sub-pixel 201 of the electrical connection of the first data line 210 described in each
Equal to the number of the sub-pixel 201 of the electrical connection of the second data line 220 described in each.
It, can be by special design so that the first data line 210 described in each was electrically connected in the present embodiment
The number of the sub-pixel 201 is identical as the number of the sub-pixel 201 that the second data line 220 described in each is electrically connected.
Above-mentioned special designing can be when the sub-pixel 201 arrangement is especially close, by shielding described in process flow strict control
The zone boundary of lower fingerprint identification area 22 or region shape, so that the first data line 210 and each institute described in each
The number for stating the sub-pixel 201 of the second data line 220 electrical connection is identical.Certainly, above-mentioned special designing can also be it
His design scheme, is not specifically limited herein.
Referring to Fig. 2, the display screen 100 provided in one embodiment, in the sub-pixel 201 in a second direction
On, a red sub-pixel, a blue subpixels and the green sub-pixels being arranged successively are one group.Positioned at the non-screen
Show that data are converted to positioned at institute with sub-pixel 201 described in three groups of a line in the second direction in lower fingerprint identification area 21
It states the lower fingerprint identification area 22 of screen and shows data with sub-pixel 201 described in two groups of a line in the second direction, so that
There are the phenomenons that part sub-pixel shares for fingerprint identification area 22 under the screen.
As shown in Fig. 2, there are four groups of sub-pixels 201 for fingerprint identification area 22 under the screen.Sub-pixel 201 described in each group
Including three sub-pixels, respectively red sub-pixel, green sub-pixels and blue subpixels.Four groups of sub-pixels 201 are along institute
Stating second direction is divided to two rows to be arranged.The interval of three sub-pixels, the first interval is also distributed in fingerprint identification area 22 under the screen
For the position of blue subpixels setting.The position of red sub-pixel setting is divided between second.Green sub-pixels are divided between third to set
The position set.Fingerprint identification area 22 forms the first shared sub-pixel 202, the second shared sub-pixel 203 and under the screen
Three shared sub-pixels 204.Shared sub-pixel in Fig. 2 has respectively included the two sub-pixels of same color, implements in others
It can also include the sub-pixel of a sub-pixel, the sub-pixel of multiple and different colors or multiple same colors in example.Specifically
Pixel is shared and can be realized by the display data algorithm in the driving circuit 30.Here display data algorithm can be
Above-mentioned sub-pixel optimization processing algorithm is sub (SPR).
The display screen 100 provided in the embodiment of the present application is located at the sub-pixel of fingerprint identification area 22 under the screen
201 phenomenons shared there are part sub-pixel.For example display conversion of the 9n sub-pixel to 6n sub-pixel may be implemented.It is described
After display screen 100 realizes display conversion, the consistency of the whole display effect of display screen 100 can be made stronger.
Referring to Fig. 3, at least two directions under the screen except fingerprint identification area 22 are set on the surface of the substrate 10
Set the sub-pixel 201.Wherein, in the plane for being parallel to the substrate 10, fingerprint identification area 22 extends outwardly under the screen
Direction definition be four direction, respectively first direction, second direction, third direction and fourth direction.The first direction,
The second direction, the third direction and the fourth direction sequentially between differ 90 ° respectively.The first direction and described
Third direction differs 180 °, and the second direction and the fourth direction differ 180 °.
In the present embodiment, the setting position of fingerprint identification area 22 under the screen is provided.The fingerprint identification area under the screen
The sub-pixel 201 is arranged in both direction, three directions or four direction around 22.The screen is provided in the present embodiment
Lower fingerprint identification area 22 can satisfy the design requirement of different display devices in the different location of the display screen 100.
Referring to Fig. 4, in one embodiment, described in three directions setting under the screen except fingerprint identification area 22
Sub-pixel 201.The display screen 100 in the present embodiment can be applied to the display of existing such as mobile phone or plate etc
In device.
Fig. 5 and Fig. 6 are please referred to, another embodiment is given, the four direction of fingerprint identification area 22 under the screen
The upper setting sub-pixel 201, and the part sub-pixel for realizing the fingerprint identification area 22 under the screen shares.In Fig. 5 and Fig. 6
Feature and feature between connection relationship can be with reference to the technical solution in any of the above-described a embodiment.It is specific in features described above
Effect may refer to the effect provided in any of the above-described a embodiment.
Referring to Fig. 7, a kind of display panel drive method is provided in one embodiment of the application, for realizing display screen
100 subregion shows that the display screen 100 includes pixel-array unit 20 and driving circuit 30, the pixel-array unit
20 have fingerprint identification area 21 under non-screen and shield lower fingerprint identification area 22, refer under fingerprint identification area 21 and the screen under the non-screen
Line cog region 22 respectively includes multiple sub-pixels 201；The driving circuit 30 and multiple institutes in the pixel-array unit 20
Sub-pixel 201 is stated to be electrically connected；
The display panel drive method includes:
S100 obtains the coordinate range information of fingerprint identification area 22 under the screen, and the coordinate range information is stored
In the driving circuit 30.
S200 applies the first driving voltage to multiple sub-pixels 201 of fingerprint identification area 21 under the non-screen, with reality
The display of existing image data.
S300 carries out data calculation to the sub-pixel 201 in the coordinate range using sub-pixel optimization processing algorithm
Method processing, so that the sub-pixel 201 of fingerprint identification area 22 realizes image data with the second driving voltage under the screen
Display, fingerprint identification area 22 is identical as the display state of fingerprint identification area 21 under the non-screen under the screen.
In the present embodiment, a kind of driving method of display screen 100 is provided.The driving method can be by described
Different driving voltages is arranged in driving circuit 30, so that the pixel-array unit 20 realizes one that entire display screen 100 is shown
Body.Driving method fingerprint identification area 22 under the screen can reserve the transmitance that light is improved in space appropriate.Institute
Stating driving method makes the fingerprint identification area 22 under the screen realize that the recognition accuracy of optical finger print is higher and sensitivity is stronger.
In one embodiment, for details, reference can be made to Fig. 2 or Fig. 6, the display screen 100 further includes a plurality of first data line
210, a plurality of second data line 220 and a plurality of third data line 230.
A plurality of first data line 210 extends in a first direction distribution, the first data line of each 210 and the non-screen
Multiple sub-pixels 201 in lower fingerprint identification area 21 along first direction distribution are electrically connected.
A plurality of second data line 220 extends in a first direction distribution, the second data line of each 220 and the non-screen
In lower fingerprint identification area 21 under the sub-pixel 201 and the screen of the first direction distribution edge along fingerprint identification area 22
The sub-pixel 201 of the first direction distribution is electrically connected.
The a plurality of third data line 230 extends in a first direction distribution, and each third data line 230 with it is described non-
Shield the sub-pixel 201 in lower fingerprint identification area 21 along first direction distribution to be electrically connected.Each of them third
The number for the sub-pixel 201 that data line 230 is electrically connected is less than the son of the electrical connection of the first data line 210 described in each
The number of pixel 201.
The color of the sub-pixel 201 of the electrical connection of the first data line 210 described in each can be set in the present embodiment
Identical, the color of the sub-pixel 201 of the electrical connection of the second data line 220 described in each is identical, third number described in each
Color according to the sub-pixel 201 of the electrical connection of line 230 is identical.
The display panel drive method includes:
Multiple sub-pixels 201 in the first data line 210 described in each apply first driving voltage, with
Realize the display of image data.
The second data line 220 described in each applies second driving voltage.
Third data line 230 described in each applies third driving voltage, wherein adjusts the third driving voltage
It is sized such that the voltage and described first that each being electrically connected in the third data line 230 sub-pixel 201 obtains
The voltage that each being electrically connected in data line 210 sub-pixel 201 obtains is identical.
In the present embodiment, a kind of specific driving method is provided, under the screen in the coordinate range of fingerprint identification area 22
Partial pixel is realized to share.The driving method that the present embodiment provides, in the case where reducing the screen, fingerprint identification area 22 is arranged
Under the premise of the number of the sub-pixel 201, the accuracy rate that the fingerprint recognition device 32 realizes optical finger print identification is improved
And sensitivity.
Referring to Fig. 8, providing a kind of display device 200 in the application one embodiment, comprising: described in any of the above-described
Display screen 100 and master controller 50.The master controller 50 is electrically connected with the fingerprint recognition device 32, for according to institute
State display control of the fingerprint recognition signal realization to the display screen 100 of the acquisition of fingerprint recognition device 32.
In the present embodiment, the display device 200 that provides can for smart phone, tablet computer, vehicle audio or
The display device of the others application display screen 100.Such as the display device 200 can also be intelligent advertisement board or its
He applies the place of the display screen 100.The display screen 100 can be flexible OLED display.
The master controller 50 is used to send control instruction to the driving circuit 30.Due in the display screen 100, institute
It states the sub-pixel number that 22 unit area of fingerprint identification area includes under shielding and is less than 21 unit area of fingerprint identification area under the non-screen
Including sub-pixel number.The reflectance-transmittance rate of 22 light of fingerprint identification area improves under the screen, the fingerprint recognition device
32 realize that the recognition accuracy of optical finger print is higher and sensitivity is stronger.The display screen 100 fingerprint identification area under the screen
22 display effect under the non-screen display effect of fingerprint identification area 21 it is identical, the whole picture of the display screen 100
Show that roughness is also identical.Using the display device of the display screen 100 preparation under different display patterns, Ke Yishi
Now brightness more evenly is shown.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of display screen (100) characterized by comprising
Substrate (10)；
Pixel-array unit (20) is set to the surface of the substrate (10), and the pixel-array unit (20) includes under non-screen
Fingerprint identification area (21) and shield lower fingerprint identification area (22), fingerprint recognition under fingerprint identification area (21) and the screen under the non-screen
Area (22) respectively includes multiple sub-pixels (201), wherein the sub-pixel that fingerprint identification area (22) unit area includes under the screen
(201) number is less than sub-pixel (201) number that fingerprint identification area (21) unit area includes under the non-screen, under the screen
Fingerprint identification area (22) carries out driving using sub-pixel optimization processing algorithm and shows；
Driving circuit (30), for sending control signal to the pixel-array unit (20)；And
Fingerprint recognition device (32) is set to the surface of the substrate (10) far from the pixel-array unit (20), for real
Now shield lower fingerprint recognition.
2. display screen (100) as described in claim 1, which is characterized in that be located at fingerprint identification area (21) under the non-screen
The sub-pixel (201) is arranged in the surface array of the substrate (10), the display screen (100) further include:
A plurality of first data line (210), extends in a first direction distribution, under the first data line of each (210) and the non-screen
Multiple sub-pixels (201) in fingerprint identification area (21) along first direction distribution are electrically connected；
A plurality of second data line (220), extends in a first direction distribution, under the second data line of each (220) and the non-screen
In fingerprint identification area (21) along the first direction distribution multiple sub-pixels (201) and the screen under fingerprint identification area
(22) multiple sub-pixels (201) in along first direction distribution are electrically connected；And
A plurality of third data line (230), extends in a first direction distribution, third data line (230) described in each with it is described non-
Shield the sub-pixel (201) in lower fingerprint identification area (21) along first direction distribution to be electrically connected.
3. display screen (100) as described in claim 2, which is characterized in that the sub-pixel (201) includes red sub- picture
Element, blue subpixels and green sub-pixels, the sub-pixel (201) of the first data line (210) electrical connection described in each
Color is identical, and the color of the sub-pixel (201) of the electrical connection of the second data line (220) described in each is identical, each institute
The color for stating the sub-pixel (201) of third data line (230) electrical connection is identical.
4. display screen (100) as described in claim 3, which is characterized in that the first data line (210) described in each is electrically connected
The number of the sub-pixel (201) connect is equal to the sub-pixel (201) of the electrical connection of the second data line (220) described in each
Number.
5. display screen (100) as claimed in claim 4, which is characterized in that in the sub-pixel (201) in a second direction on,
A red sub-pixel, a blue subpixels and the green sub-pixels being arranged successively are one group, are located under the non-screen
It shows that data are converted to sub-pixel described in three groups of a line (201) in the second direction in fingerprint identification area (21) to be located at
Fingerprint identification area (22) shows data with sub-pixel described in two groups of a line (201) in the second direction under the screen, with
So that there are the phenomenons that part sub-pixel shares for fingerprint identification area (22) under the screen.
6. display screen (100) according to any one of claims 1 to 5, which is characterized in that on the surface of the substrate (10),
The sub-pixel (201) is arranged at least two directions under the screen except fingerprint identification area (22), wherein in the substrate
(10) surface, has four direction under the screen except fingerprint identification area (22), respectively first direction, second direction, the
Three directions and fourth direction, the first direction, the second direction, the third direction and the fourth direction sequentially between
90 ° are differed respectively.
7. display screen (100) as claimed in claim 6, which is characterized in that under the screen except fingerprint identification area (22)
The sub-pixel (201) is arranged in three directions.
8. a kind of display panel drive method, the subregion for realizing display screen (100) is shown, which is characterized in that the display
Screen (100) includes pixel-array unit (20) and driving circuit (30), and the pixel-array unit (20) has fingerprint under non-screen
Cog region (21) and shield lower fingerprint identification area (22), fingerprint identification area under fingerprint identification area (21) and the screen under the non-screen
(22) multiple sub-pixels (201) are respectively included；Multiple institutes in the driving circuit (30) and the pixel-array unit (20)
Sub-pixel (201) is stated to be electrically connected；
The display panel drive method includes:
S100 obtains the coordinate range of fingerprint identification area (22) under the screen, and the coordinate range is stored in the driving
Circuit (30)；
S200 applies the first driving voltage to multiple sub-pixels (201) of fingerprint identification area (21) under the non-screen, with reality
The display of existing image data；
S300 carries out data algorithm to the sub-pixel (201) in the coordinate range using sub-pixel optimization processing algorithm
Processing, so that the sub-pixel (201) of fingerprint identification area (22) realizes picture number with the second driving voltage under the screen
According to display, fingerprint identification area (22) is identical as the display state of fingerprint identification area (21) under the non-screen under the screen.
9. display panel drive method as claimed in claim 8, which is characterized in that the display screen (100) further include:
A plurality of first data line (210), extends in a first direction distribution, under the first data line of each (210) and the non-screen
Multiple sub-pixels (201) in fingerprint identification area (21) along first direction distribution are electrically connected；
A plurality of second data line (220), extends in a first direction distribution, under the second data line of each (220) and the non-screen
In fingerprint identification area (21) along the first direction distribution multiple sub-pixels (201) and the screen under fingerprint identification area
(22) multiple sub-pixels (201) in along first direction distribution are electrically connected；And
A plurality of third data line (230), extends in a first direction distribution, under each third data line (230) and the non-screen
Multiple sub-pixels (201) in fingerprint identification area (21) along first direction distribution are electrically connected；
The color of the sub-pixel (201) of the electrical connection of first data line (210) described in each is identical, second described in each
The color of the sub-pixel (201) of data line (220) electrical connection is identical, the electrical connection of third data line (230) described in each
The sub-pixel (201) color it is identical
The display panel drive method includes:
Multiple sub-pixels (201) in the first data line (210) described in each apply first driving voltage, with
Realize the display of image data；
The second data line (220) described in each applies second driving voltage；
Third data line (230) described in each applies third driving voltage, wherein adjusts the big of the third driving voltage
It is small so that voltage that each the described sub-pixel (201) being electrically connected in the third data line (230) obtains and described the
The voltage that each being electrically connected in one data line (210) sub-pixel (201) obtains is identical.
10. a kind of display device (200) characterized by comprising such as display screen of any of claims 1-7
(100) and master controller (50)；
The master controller (50) is electrically connected with the fingerprint recognition device (32), for according to the fingerprint recognition device (32)
The fingerprint recognition signal of acquisition realizes the display control to the display screen (100).
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| CN201910019656.0A CN109616508B (en) | 2019-01-09 | 2019-01-09 | Display screen, display screen driving method and display device |
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| CN201910019656.0A CN109616508B (en) | 2019-01-09 | 2019-01-09 | Display screen, display screen driving method and display device |
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| CN109616508B (en) | 2021-02-26 |
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