CN108830234A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN108830234A CN108830234A CN201810642646.8A CN201810642646A CN108830234A CN 108830234 A CN108830234 A CN 108830234A CN 201810642646 A CN201810642646 A CN 201810642646A CN 108830234 A CN108830234 A CN 108830234A
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- fingerprint
- pixel
- fingerprint region
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- display panel
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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
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1341—Sensing with light passing through the finger
Abstract
The embodiment of the invention provides a kind of display panel and display devices, by reducing pixel distribution density in the fingerprint identification area to display panel, specific practice is to reduce the quantity of driving circuit on luminescence unit and corresponding drive array substrate, while meeting the needs of vision addressability by the way of pixel rendering.By reducing the driving circuit on drive array substrate, transparent area is increased, the effective light transmission area on display panel is improved, to greatly improve whole light transmittance, promotes the sensitivity of light sensation fingerprint recognition.
Description
【Technical field】
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
【Background technique】
For the display panel with fingerprint identification function, in order to preferably realize screen design comprehensively, fingerprint is avoided
Identification region occupies the space of non-display area, and the lower fingerprint technique of screen can be used at present by viewing area and be multiplexed with fingerprint identification region.
When viewing area is multiplexed with fingerprint identification region, is corresponded in display panel and be additionally provided with multiple fingers at the position of fingerprint identification region
Line recognition unit, when carrying out fingerprint recognition, the light that light source issues is reflected via finger, injects the fingerprint recognition of specific region
In unit, fingerprint identification unit so that according to the received reflection light of institute to the identification of the paddy coning row of the corresponding fingerprint in the region.
But conventionally, as in the driving unit of display panel each film layer and other component setting compared with
To be compact, so that the transmission region accounting on display panel is not high, to influence the outgoing of light and enter to meeting shadow
Ring the sensitivity of light sensation fingerprint recognition.
【Summary of the invention】
In view of this, the embodiment of the invention provides a kind of display panel and display devices, by display panel
Fingerprint identification area reduces pixel distribution density, and specific practice is to reduce to drive electricity on luminescence unit and corresponding drive array substrate
The quantity on road, while meeting the needs of vision addressability by the way of pixel rendering.By reducing on drive array substrate
Driving circuit, increase transparent area, improve the effective light transmission area on display panel, to greatly improve whole light transmission
Rate promotes the sensitivity of light sensation fingerprint recognition.
On the one hand, the embodiment of the invention provides a kind of display panel, the display panel includes being arranged along line direction
Scan line and along column direction setting data line；
The display panel includes viewing area, and the viewing area includes fingerprint identification area and non-fingerprint identification area,
The fingerprint identification area includes multiple fingerprint region pixel units in array setting, and the non-fingerprint identification area includes
Multiple non-fingerprint region pixel units in array setting；
The fingerprint region pixel unit has the first distribution density in the viewing area, and the non-fingerprint region pixel unit exists
The viewing area has the second distribution density, and second distribution density is 2~3 times of first distribution density (including endpoint
Value).
On the other hand, the embodiment of the invention provides a kind of display device, the display device includes above-mentioned display panel.
A kind of light emitting display panel provided in an embodiment of the present invention and display device, by fingerprint recognition in display panel
Area and non-fingerprint identification area carry out the setting of differentiation resolution ratio, it is intended to increase the light transmittance of fingerprint identification area, promote light sensation fingerprint
The accuracy and sensitivity of identification.On the one hand, by reducing the picture of fingerprint identification area relative to non-fingerprint identification area from line direction
Then plain unit carries out the sub-pixel between adjacent rows using pixel rendering method and shares, realizes the picture with non-fingerprint identification area
The plain consistent virtual pixel resolution ratio of resolution ratio.On the other hand, by referring to from column direction relative to the reduction of non-fingerprint identification area
Then the pixel unit of line cog region carries out the sub-pixel between adjacent rows using pixel rendering method and shares, realization meets need
The virtual sub-pixel asked.Technical solution of the present invention is by carrying out the side that hardware mode and software mode combine in fingerprint identification area
Method realizes that the promotion for being both able to satisfy light transmittance nor affects on the resolution ratio of display picture.
【Detailed description of the invention】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of display panel provided by the embodiment of the present invention；
Fig. 2 is another schematic diagram of display panel in Fig. 1；
Fig. 3 is the structural schematic diagram of display panel provided by one embodiment of the invention；
Fig. 4 is the enlarged diagram of display panel partial region in Fig. 3；
Fig. 5 is the drive array substrate schematic diagram of display panel in Fig. 3；
Fig. 6 is the driving method schematic diagram of display panel in Fig. 3；
Fig. 7 is the pixel rendering schematic diagram of display panel in Fig. 3；
Fig. 8 is the structural schematic diagram of display panel provided by further embodiment of this invention；
Fig. 9 is the enlarged diagram of display panel partial region in Fig. 8；
Figure 10 is the driving method schematic diagram of display panel in Fig. 8；
Figure 11 is the pixel rendering schematic diagram of display panel in Fig. 8；
Figure 12 is the structural schematic diagram of display panel provided by further embodiment of this invention；
Figure 13 is the enlarged diagram of display panel partial region in Figure 12；
Figure 14 is the schematic cross-section of display panel in Fig. 1；
Figure 15 is the schematic diagram of 1 course of work of light sensation fingerprint identification unit provided in this embodiment；
Figure 16 is the structural schematic diagram of display device provided by the embodiment of the present invention.
【Specific embodiment】
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though in embodiments of the present invention pixel may be described using term first, second, third, etc.
Group, but these pixel groups should not necessarily be limited by these terms.These terms are only used to for pixel group being distinguished from each other out.For example, not taking off
In the case where from range of embodiment of the invention, the first pixel group can also be referred to as the second pixel group, similarly, the second pixel group
The first pixel group can also be referred to as.
Inventor is by careful further investigation, for the problems of the prior art, as shown in Fig. 1~Figure 15, wherein
Fig. 1 is the structural schematic diagram of display panel provided by the embodiment of the present invention；Fig. 2 is another schematic diagram of display panel in Fig. 1；
Fig. 3 is the structural schematic diagram of display panel provided by one embodiment of the invention；Fig. 4 is display panel partial region in Fig. 3
Enlarged diagram；Fig. 5 is the drive array substrate schematic diagram of display panel in Fig. 3；Fig. 6 is the driving side of display panel in Fig. 3
Formula schematic diagram；Fig. 7 is the pixel rendering schematic diagram of display panel in Fig. 3；Fig. 8 is provided by further embodiment of this invention
The structural schematic diagram of display panel；Fig. 9 is the enlarged diagram of display panel partial region in Fig. 8；Figure 10 is display surface in Fig. 8
The driving method schematic diagram of plate；Figure 11 is the pixel rendering schematic diagram of display panel in Fig. 8；Figure 12 is the another reality of the present invention
Apply the structural schematic diagram of display panel provided by example；Figure 13 is the enlarged diagram of display panel partial region in Figure 12；Figure
14 be the schematic cross-section of display panel in Fig. 1；Figure 15 is 1 course of work of light sensation fingerprint identification unit provided in this embodiment
Schematic diagram.The embodiment of the invention provides a kind of display panel and display devices, by the fingerprint identification area to display panel
Pixel distribution density is reduced, specific practice is to reduce the quantity of driving circuit on luminescence unit and corresponding drive array substrate,
Meets the needs of vision addressability by the way of pixel rendering simultaneously.
Specifically as shown in Fig. 1~15, the embodiment of the invention provides a kind of display panel 100, display panel includes fingerprint
Cog region 101 (region corresponding to light sensation fingerprint identification unit 1 is fingerprint identification region) and non-fingerprint identification area 102.Its
In, fingerprint identification area 101 includes transparent area Tr (dotted line frame in Fig. 5) and alternatively non-transparent district (not shown).Wherein, it needs to illustrate
, as shown in figure 5, transparent area Tr in embodiments of the present invention refers to that on drive array substrate, light can be with light transmission
Region, as shown in Fig. 5 dotted line frame, (metal routing refers to the various gold on drive array substrate to metal routing in transparent area Tr
Function of dominant cabling, such as PVDD cabling, scan line, data line, LED control signal line etc.) setting it is sparse, metal routing mutually it
Between spacing it is larger, in conjunction with Figure 14, so that light is reflected through transparent area Tr via main body 3 (such as finger) light is touched
It injects in light sensation fingerprint identification unit 1.In addition, being primarily referred to as metal routing intensively for alternatively non-transparent district and overlapping journey between film layer
High region is spent, the metal routing due to being located at different film layers overlaps between each other, can not penetrate so as to cause light, such as Fig. 5
Capacitor and pixel unit R/G/B on middle drive array substrate.
Specifically, in conjunction with shown in FIG. 1 to FIG. 2, display panel 100 includes the scan line S1 and edge along line direction setting
The data line D1 of column direction setting；It include multiple fingerprint region pixel unit E11 in array setting in fingerprint identification area 101；?
Non- 102nd area of fingerprint recognition includes multiple non-fingerprint region pixel unit E12 in array setting.Wherein, in fingerprint region pixel unit
E11 has the first distribution density P1 in viewing area, and non-fingerprint region pixel unit has the second distribution density P2 in viewing area, and second
Distribution density P2 is 2~3 times (including endpoint values) of the first distribution density P1.It should be noted that in embodiments of the present invention,
The distribution density of pixel unit refers to the number for the sub-pixel arranged in unit area.
As shown in Figure 14 and Figure 15, in embodiments of the present invention, which further includes having light sensation fingerprint recognition list
Member 1.The realization process of light sensation fingerprint identification function is substantially on the display panel：When carrying out fingerprint recognition, what light source issued
Light, which reaches, touches main body 3 (such as finger), and light is reflected through touching main body 3 (such as finger), and the light of reflection is irradiated to setting and exists
Light sensation fingerprint identification unit 1 in display panel 100, light sensation fingerprint identification unit 1 judge fingerprint according to the light received
Valley and a ridge, to realize the fingerprint recognition of user.
As shown in figure 15, Figure 15 is the schematic diagram of 1 course of work of light sensation fingerprint identification unit provided in this embodiment；Light sensation
Fingerprint identification unit 1 includes light sensing module 001, identification module 002 and feedback module 003.When carrying out fingerprint recognition, light
The light that source issues, which is irradiated to, touches main body 3, touches after main body 3 reflects light and forms reflection light, reflection light enters
It is mapped to light sensing module 001, light sensation induction module 001 is for incuding the light received, identification module 002 and light sensing
Module 001 is electrically connected, and the light for being received according to light sensing module 001 identifies the valley and a ridge of fingerprint；Feedback module
003 for feeding back to driving chip (not shown) for the fingerprint results that identification module 002 identifies, to execute corresponding operation.
Continue to refer to figure 14, it should be noted that when carrying out fingerprint recognition, can be arranged on display panel 100 outer
Light source of the light source as fingerprint identification unit 1 is hung, alternatively, also can use each for normally showing in display panel 100
Light source of the luminescence unit as fingerprint identification unit.And in emitting red light unit, green emitting unit and blue-light-emitting unit,
Due to the brightness height for the green light that green emitting unit issues, and the life time decay of the luminescent layer of green emitting unit is slow, therefore,
Using each luminescence unit in display panel as when the light source of fingerprint identification unit 1, selection green of the embodiment of the present invention is sent out
Main light source of the light unit B as fingerprint identification unit 1, while can be using blue-light-emitting unit as secondary light source.
The embodiment of the present invention is connect down by the pixel unit in fingerprint identification area and non-fingerprint identification area progress different densities
It will be illustrated in detail.
As shown in Fig. 3~Fig. 7, the embodiment of the invention provides a kind of display panels 100, including fingerprint identification area 101 is (such as
Dotted line frame in figure) and non-fingerprint identification area 102 (frame as dashed lines).As shown in figure 3, under same area, in fingerprint recognition
In area 101, fingerprint region pixel unit R1/B1/G1 is arranged in M1 × N1 (M1, N1 are positive integer) array；In non-fingerprint identification area
In 102, non-fingerprint region pixel unit R/B/G is arranged in M1 × 2N1 array；Wherein, M1 is along scanning line direction S11 (line direction)
Line number, N1 be along data line direction D21 (column direction) columns.For example, as shown in Figure 3, under same area, refer to
Line cog region 101 has M1 row pixel unit, and non-fingerprint identification area 102 also has M1 row pixel unit, but fingerprint identification area 101
The pixel unit columns having is the half that N1 is the pixel unit columns 2N1 that non-fingerprint identification area 102 has.That is,
In fingerprint region, pixel unit has the first distribution density P1 in viewing area, and non-fingerprint region pixel unit has second point in viewing area
Cloth density P2, the second distribution density P2 are 2 times of the first distribution density P1.
With continued reference to shown in Fig. 3 and Fig. 4, in fingerprint identification area 101, every row pixel includes multiple the first pictures set gradually
Element group P11, each first pixel group P11 includes the three fingerprint region pixel units set gradually along line direction S1：Fingerprint region is red
Color pixel unit R 1, fingerprint region blue pixel cells B1, fingerprint region green pixel cell G1.
In non-fingerprint identification area 102, every row pixel includes multiple the second pixel group P21 set gradually, each second picture
Element group P21 includes the six non-fingerprint region pixel units set gradually along line direction S1：First non-fingerprint region red pixel cell
R11, the first non-fingerprint region green pixel cell G11, the first non-fingerprint region blue pixel cells B11, the second non-fingerprint region are red
Pixel unit R12, the second non-fingerprint region green pixel cell G12, the second non-fingerprint region blue pixel cells B12.
Wherein, it should be noted that along column direction D1, fingerprint region red pixel cell R1 and corresponding first non-finger
Line area red pixel cell R11 is located at same row；Fingerprint region blue pixel cells B1 and corresponding first non-fingerprint region blue picture
Plain unit B 11 is located at same row；Fingerprint region green pixel cell G1 and corresponding second non-fingerprint region green pixel cell G12
In same row.
In addition, with continued reference to shown in Fig. 4, in fingerprint identification area 101, in same first pixel group P11, along line direction
On S1, fingerprint region red pixel cell R1 and fingerprint region blue pixel cells B1 have first segment away from D11；Fingerprint region blue pixel
Unit B 1 and fingerprint region green pixel cell G1 have the second pitch D12, it should be noted that：Pitch refers to adjacent herein
Two adjacent pixel units edge between along the distance between line direction S1.
And in non-fingerprint identification area 102, in same second pixel group P12, along line direction S1, the first non-fingerprint region
The non-fingerprint region blue pixel cells G11 of red pixel cell R11 and first has third pitch D21；First non-fingerprint region blue
The non-fingerprint region green pixel cell G12 of pixel unit B11 and second has the 4th pitch D22；Wherein, first segment is away from D11 and
Three pitch D21 are roughly equal, the second pitch D12 and the 4th roughly equal D22 of pitch.
For to sum up, in order to realize that the pixel unit distribution density of fingerprint identification area is the pixel unit of non-fingerprint identification area
Distribution density.The embodiment of the present invention is by fingerprint identification area 101, by column direction D1, every a pixel unit sky
A pixel unit out, to increase the transparent area of display panel.Specifically, by reduce pixel unit and and it is corresponding
The quantity of driving circuit on drive array substrate.As shown in figure 5, having multiple in the array drive substrate of display panel 100
Transparent area Tr.In non-fingerprint identification area 102, pixel unit R/G/B is according to institute as above with corresponding pixel-driving circuit PX
The mode stated successively compact arrangement.And in fingerprint identification area 101, pixel unit R/G/B and corresponding pixel-driving circuit
PX is to present：Every a pixel unit be the region of leaving a blank for vacating a pixel unit and driving circuit, this region of leaving a blank
Metal routing is very rare, to form multiple transparent area Tr, greatly improves the light transmittance at fingerprint identification area 101, thus
Promote 100 integral light-transmitting rate of display panel.In embodiments of the present invention, the light transmittance of display panel 100 is 7.3%~8.7%,
With excellent light transmittance, so as to greatly improve the precision of light sensation fingerprint recognition.In addition, it is necessary to which explanation is：Display
The integral light-transmitting rate of panel is the concept of an average value, includes the synthesis light transmission of the alternatively non-transparent district and transparent area on display surface
Rate.In general, if display panel is in order to guarantee to realize light sensation fingerprint identification function, integral light-transmitting rate will be 1%
The above function that light sensation fingerprint recognition just may be implemented.
In order to solve the problems, such as halving and display resolution is brought to reduce due to practical sub-pixel distribution density, the present invention
Embodiment meets the needs of vision addressability by using the mode of pixel rendering, realizes fingerprint identification area and non-fingerprint recognition
The pixel resolution in area is consistent, realizes uniform display effect.It is specific as follows：
With reference to Fig. 6 and Fig. 7, the display panel 100 in the embodiment of the present invention further includes data drive unit, data-driven list
Member provides data-signal to viewing area by data line, so that the viewing area works.In embodiments of the present invention, driving unit
The signal transmitted to the pixel unit of fingerprint identification area and non-fingerprint identification area is different.Specifically, as shown in fig. 6,
Data drive unit provides the first input signal to the non-fingerprint region pixel unit for being located at non-fingerprint identification area；Data drive unit
The second input signal is provided to the fingerprint region pixel unit for being located at fingerprint identification area.Wherein, the second input signal is through over-voltage
Third input signal is exported to fingerprint identification area after contracting processing, and the data volume of third input signal is second input signal
The half of data volume.Here it should be noted that：In embodiments of the present invention, since the pixel unit that fingerprint identification area is gone divides
Cloth density P1, that is to say, that in region of the same area, the pixel unit number of fingerprint identification area is non-fingerprint identification area picture
The half of plain unit number, therefore required data semaphore is also to halve accordingly, therefore the of corresponding input fingerprint identification area
Three input signals needs are exported after corresponding compression processing by the second input signal.
Further, in order to guarantee not cause because of the reduction of data semaphore eye-observation to resolution ratio decline.This hair
Bright embodiment is carried out pixel unit and is shared to realize twice of virtual resolution by the way of pixel rendering.
It exports when fingerprint region pixel unit reception third input signal, and by the first rendering processing step with first
Virtual resolution shows picture；Wherein, the first virtual resolution is twice of the fingerprint region true resolution.
For the first Rendering algorithms processing step includes：In the row direction, three adjacent display units are using shared picture
Plain unit mode is realized.
Specifically, as shown in fig. 7, by taking three display units adjacent in fingerprint identification area as an example, accordingly to be explained
It states.Three adjacent display units are respectively to set gradually the first display unit 110 (solid line outlines in Fig. 7), the second display list
First 210 (solid line outlines in Fig. 7), third display unit 310 (solid line outlines in Fig. 7).
Wherein, on line direction S1, the first display unit 110 successively include the fingerprint region red pixel cell R110,
Fingerprint region blue pixel cells B110；Second display unit 210 includes fingerprint region green pixel cell G210；Third display unit
310 successively include fingerprint region red pixel cell R310, fingerprint region blue pixel cells B310.
After the first Rendering algorithms processing step, the first display unit 110 shares the finger in the second display unit 210
Line area green pixel cell G210 forms the first virtual display 111 (dotted line outlines in Fig. 7).Wherein, the first virtual display
Unit 111 includes fingerprint region red pixel cell R110, fingerprint region blue pixel cells B110 and fingerprint region green pixel cell
G210。
After the first Rendering algorithms processing step, the second display unit 210 shares the finger in the first display unit 110
It is virtual to form second by fingerprint region red pixel cell R310 in line area blue pixel cells B110 and third display unit 310
Display unit 211 (dotted line outlines in Fig. 7).Wherein, the second virtual display 211 includes fingerprint region red pixel cell
R310, fingerprint region blue pixel cells B110 and fingerprint region green pixel cell G210.
After the first Rendering algorithms processing step, third display unit 310 shares the finger in the second display unit 210
Line area green pixel cell forms third virtual display 311.Wherein, third virtual display 311 includes that fingerprint region is red
Color pixel unit R 310, fingerprint region blue pixel cells B310 and fingerprint region green pixel cell G210.
After the first Rendering algorithms processing step, twice of virtual pixel resolution ratio is realized, to realize fingerprint
Cog region and non-fingerprint identification area, the pixel resolution on human eye sense organ are consistent.
On the basis of above embodiments, invention further discloses another way of example.It is specific as follows：
As shown in Figure 8 to Figure 11, the embodiment of the invention provides a kind of display panels 100, including fingerprint identification area 201
(frame as dashed lines) and non-fingerprint identification area 202 (frame as dashed lines).As shown in figure 8, knowing under same area in fingerprint
In other area 201, fingerprint region pixel unit R/B/G is arranged in M2 × N2 (M2, N2 are positive integer) array；In non-fingerprint identification area
In 202, non-fingerprint region pixel unit R/B/G is arranged in 2M2 × N2 array；Wherein, M2 is along scanning line direction S1 (line direction)
Line number, N1 be along data line direction D1 (column direction) columns.
For example, as shown in Figure 8, under same area, fingerprint identification area 201 has N2 column pixel unit, non-finger
Line cog region 202 also has N2 column pixel unit, but it is that non-fingerprint is known that the pixel unit line number that has of fingerprint identification area 201, which is M2,
The half for the pixel unit columns row 2M2 that other area 202 has.That is, having the in viewing area in fingerprint region pixel unit
One distribution density P1, it is first that non-fingerprint region pixel unit, which has the second distribution density P2, the second distribution density P2 in viewing area,
2 times of distribution density P1.
With continued reference to shown in Fig. 8 and Fig. 9, in fingerprint identification area 201, along column direction D1, in same row (data line D1
Extending direction) in pixel, two adjacent fingerprint region red pixel cell R and another fingerprint region red pixel cell R have the
Five pitch D5, it should be noted that：Between pitch refers to that adjacent two column up and down are adjacent herein, the pixel unit of previous column
Middle line to next column the distance between the middle line of pixel unit.And in non-fingerprint identification area 202, along column direction D1,
In same row (data line D1 extending direction) pixel, the non-fingerprint region red pixel cell R of adjacent two and another non-fingerprint
Area red pixel cell R has the 6th pitch D6.Wherein, the 5th pitch D5 is greater than the 6th pitch D6.Specific such as Fig. 9, Section five
Away from length D5 and the length D6 of the 6th pitch meet the following conditions：Length D5 ≈ 2 × (length of the 6th pitch of 5th pitch
D6)。
For to sum up, in order to realize that the pixel unit distribution density of fingerprint identification area is the pixel unit of non-fingerprint identification area
Distribution density.The embodiment of the present invention is by fingerprint identification area, by being vacated on column direction D1 every a row pixel unit
One-row pixels unit, to increase the transparent area of display panel.Specifically, by reducing pixel unit and and corresponding drive
The quantity of driving circuit in dynamic array substrate.
Specifically, on the drive array substrate of display panel, there are multiple transparent areas.In non-fingerprint identification area,
Pixel unit R/G/B and corresponding pixel-driving circuit PX are successively compact arrangements in the manner described above.And referring to
On line cog region, pixel unit R/G/B is to present with corresponding pixel-driving circuit PX：Pixel unit is to vacate one in every line
The region of leaving a blank of row pixel unit and driving circuit, the metal routing in this region of leaving a blank is very rare, to form multiple light transmissions
Area greatly improves the light transmittance at fingerprint identification area, to promote 100 integral light-transmitting rate of display panel.Implement in the present invention
In example, the light transmittance of display panel 100 is 7.3%~8.7%, has excellent light transmittance, so as to greatly improve light
Feel the precision of fingerprint recognition.Drive array substrate schematic diagram in the present embodiment, is not shown.It may refer to the design in Fig. 5.
In addition, it is necessary to which explanation is：The integral light-transmitting rate of display panel is the concept of an average value, includes non-on display surface
The synthesis light transmittance in light area and transparent area.In general, if display panel in order to guarantee realize light sensation fingerprint recognition function
Can, the function that light sensation fingerprint recognition will just may be implemented 1% or more in integral light-transmitting rate.
In order to solve the problems, such as halving and display resolution is brought to reduce due to practical sub-pixel distribution density, the present invention
Embodiment meets the needs of vision addressability by using the mode of pixel rendering, realizes fingerprint identification area and non-fingerprint recognition
The pixel resolution in area is consistent, realizes uniform display effect.It is specific as follows：
With reference to Figure 10 and Figure 11, the display panel 100 in the embodiment of the present invention further includes data drive unit, data-driven
Unit provides data-signal to viewing area by data line, so that the viewing area works.In embodiments of the present invention, driving is single
Member is different to the signal that the pixel unit of fingerprint identification area and non-fingerprint identification area is transmitted.Specifically, such as Figure 10 institute
Show, data drive unit provides the 4th input signal to the non-fingerprint region pixel unit for being located at non-fingerprint identification area；Data-driven
Unit provides the 5th input signal to the fingerprint region pixel unit for being located at fingerprint identification area.Wherein, the 5th input signal is through over-voltage
The 6th input signal is exported to fingerprint identification area after contracting processing, and the data volume of the 6th input signal is the 5th input signal data
The half of amount.Here it should be noted that：In embodiments of the present invention, the pixel unit distribution gone due to fingerprint identification area is close
Spend P1, that is to say, that in region of the same area, the pixel unit number of fingerprint identification area is non-fingerprint identification area pixel list
The half of first number, therefore required data semaphore is also to halve accordingly, therefore the 6th of corresponding input fingerprint identification area is defeated
Enter signal needs to be exported after corresponding compression processing by the 5th input signal.
Further, in order to guarantee not cause because of the reduction of data semaphore eye-observation to resolution ratio decline.This hair
Bright embodiment is carried out pixel unit and is shared to realize twice of virtual resolution by the way of pixel rendering.
It exports when fingerprint region pixel unit the 5th input signal of reception, and by the second rendering processing step with second
Virtual resolution shows picture；Wherein, the second virtual resolution is twice of the fingerprint region true resolution.
For the second Rendering algorithms processing step includes：In the row direction, two adjacent display units are using shared picture
Plain unit mode is realized.
Specifically, as shown in figure 11, by taking two display units of adjacent rows in fingerprint identification area as an example, to carry out phase
It should illustrate.Two adjacent display units are respectively to set gradually the 4th display unit 410 (dotted line outlines in Figure 11), the 5th aobvious
Show unit 510 (dotted line outlines in Figure 11).
In the row direction, the 4th display unit 410 successively includes fingerprint region red pixel cell R, fingerprint region green pixel
Unit G, fingerprint region blue pixel cells B；5th display unit 510 is successively green including fingerprint region red pixel cell R, fingerprint region
Color pixel unit G, fingerprint region blue pixel cells B.
After the second Rendering algorithms processing step, the 5th display unit 510 and the 4th display are single on column direction D1
Member 410 forms the 6th virtual display 610.
Specifically, in the fingerprint region red picture after the second Rendering algorithms processing step, in the 4th display unit 410
Fingerprint region red pixel cell in plain the 5th display unit 510 of unit forms the red pixel of the 6th virtual display 610
Unit；The fingerprint region green pixel list in the 5th display unit 510 of fingerprint region green pixel cell in 4th display unit 410
Member forms the green pixel cell of the 6th virtual display 610；Fingerprint region blue pixel list in 4th display unit 410
Fingerprint region blue pixel cells in first 5th display unit 510, form the blue pixel list of the 6th virtual display 610
Member.
After the second Rendering algorithms processing step, twice of virtual pixel resolution ratio is realized, to realize fingerprint
Cog region and non-fingerprint identification area, the pixel resolution on human eye sense organ are consistent.
On the basis of above embodiments, invention further discloses another way of example.It is specific as follows：
As shown in Figure 12~Figure 13, the embodiment of the invention provides a kind of display panels 100, including fingerprint identification area 301
(frame as dashed lines) and non-fingerprint identification area 302 (frame as dashed lines).As shown in figure 12, under same area, in fingerprint
In cog region 301, fingerprint region pixel unit R/B/G is arranged in M3 × N3 (M3, N3 are positive integer) array；In non-fingerprint identification area
In 302, non-fingerprint region pixel unit R/B/G is arranged in 3M3 × N3 array；Wherein, M3 is the line number along scanning line direction S1, N3
For along the columns of data line direction D1.
For example, as shown in Figure 12, under same area, fingerprint identification area 301 has N3 column pixel unit, non-finger
Line cog region 302 also has N3 column pixel unit, but it is that non-fingerprint is known that the pixel unit line number that has of fingerprint identification area 301, which is M3,
The one third for the pixel unit columns row 3M2 that other area 302 has.That is, having in fingerprint region pixel unit in viewing area
There is the first distribution density P1, non-fingerprint region pixel unit is with the second distribution density P2, the second distribution density P2 in viewing area
32 times of first distribution density P1.
It continues to refer to figure 1 shown in 2 and Figure 13, in fingerprint identification area 301, along column direction D1, in same row (data line
D1 extending direction) in pixel, two adjacent fingerprint region red pixel cell R and another fingerprint region red pixel cell R has
7th pitch D7；And in non-fingerprint identification area 302, along column direction D1, in same row (data line D1 extending direction) pixel
In, the non-fingerprint region red pixel cell R of adjacent two and another non-fingerprint region red pixel cell R have the 8th pitch D8.
Wherein, the 7th pitch D7 is greater than the 8th pitch D8.Specific such as Figure 13, the length D7 of the 7th pitch and the length D8 of the 8th pitch are full
Sufficient the following conditions：The length D7 ≈ 3 of 7th pitch × (the length D8 of the 8th pitch).
For to sum up, in order to realize that the pixel unit distribution density of fingerprint identification area is the pixel unit of non-fingerprint identification area
The one third of distribution density.The embodiment of the present invention is by fingerprint identification area, by column direction D1, every a row picture
Plain unit vacates two row pixel units, to increase the transparent area of display panel.Specifically, by reduce pixel unit and with
And on corresponding drive array substrate driving circuit quantity.
Specifically, on the drive array substrate of display panel, there are multiple transparent areas.In non-fingerprint identification area,
Pixel unit and corresponding pixel-driving circuit are successively compact arrangements in the manner described above.And in fingerprint identification area
On, pixel unit is to present with corresponding pixel-driving circuit PX：In every line pixel unit be vacate two row pixel units and
The region of leaving a blank of driving circuit, the metal routing in this region of leaving a blank is very rare, to form multiple transparent areas, greatly improves
Light transmittance at fingerprint identification area, to promote display panel integral light-transmitting rate.In embodiments of the present invention, display panel 100
Light transmittance be 8%~9.6%, have excellent light transmittance, so as to greatly improve the precision of light sensation fingerprint recognition.This
Drive array substrate schematic diagram in embodiment, is not shown.It may refer to the design in Fig. 5.In order to solve due to practical son
The reduction one third of pixel distribution density and the problem of bring display resolution to reduce, the embodiment of the present invention is by using pixel
The mode of rendering meets the needs of vision addressability, realizes the pixel resolution one of fingerprint identification area and non-fingerprint identification area
It causes, realizes uniform display effect.Specific method can refer to the implementation of above-described embodiment.
The embodiment of the invention also provides a kind of display devices, and as shown in figure 16, Figure 16 is provided by the embodiment of the present invention
Display device structural schematic diagram, which includes above-mentioned display panel 100, and be arranged on display panel 100
Light sensation recognition unit 1.Wherein, the specific structure of display panel 100 is described in detail in the above-described embodiments, this
Place repeats no more.Certainly, display device shown in Figure 16 is only schematically illustrate, which can be such as mobile phone, puts down
Plate computer, laptop, any electronic equipment having a display function of electric paper book or television set etc..
The display device as provided by the embodiment of the present invention includes above-mentioned display panel, using the display device,
By carrying out the setting of differentiation resolution ratio to fingerprint identification area in display panel and non-fingerprint identification area and combining pixel rendering side
Method, it is intended to increase the light transmittance of fingerprint identification area, promote the accuracy and sensitivity of light sensation fingerprint recognition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (21)
1. a kind of display panel, which is characterized in that the display panel includes along the scan line of line direction setting and along column side
To the data line of setting；
The display panel includes viewing area, and the viewing area includes fingerprint identification area and non-fingerprint identification area,
The fingerprint identification area includes multiple fingerprint region pixel units in array setting, and the non-fingerprint identification area includes multiple
The non-fingerprint region pixel unit being arranged in array；
The fingerprint region pixel unit has the first distribution density in the viewing area, and the non-fingerprint region pixel unit is described
Viewing area has the second distribution density, and second distribution density is 2~3 times of first distribution density (including endpoint value).
2. display panel according to claim 1, which is characterized in that under same area, in the fingerprint identification area,
The fingerprint region pixel unit is arranged in M1 × N1 (M1, N1 are positive integer) array；It is described non-in the non-fingerprint identification area
Fingerprint region pixel unit is arranged in M1 × 2N1 array；Wherein, M1 is the line number along the scanning line direction, and N1 is along the number
According to the columns in line direction.
3. display panel according to claim 2, which is characterized in that in the fingerprint identification area, every row pixel includes more
A the first pixel group set gradually, each first pixel group include three fingerprint regions set gradually along line direction
Pixel unit；Three fingerprint region pixel units are respectively：
Fingerprint region red pixel cell, fingerprint region blue pixel cells, fingerprint region green pixel cell；
In the non-fingerprint identification area, every row pixel includes multiple the second pixel groups set gradually, each second pixel
Group includes the six non-fingerprint region pixel units set gradually along line direction, six non-fingerprint region pixel unit difference
For：
First non-fingerprint region red pixel cell, the first non-fingerprint region green pixel cell, the first non-fingerprint region blue pixel list
Member, the second non-fingerprint region red pixel cell, the second non-fingerprint region green pixel cell, the second non-fingerprint region blue pixel list
Member.
4. display panel according to claim 3, which is characterized in that along column direction, the fingerprint region red pixel
Unit is located at same row with the corresponding first non-fingerprint region red pixel cell；
Along column direction, the fingerprint region blue pixel cells are located at same with corresponding first non-fingerprint region blue pixel cells
One column；
Along column direction, the fingerprint region green pixel cell is located at same with corresponding second non-fingerprint region green pixel cell
One column.
5. display panel according to claim 4, which is characterized in that in the fingerprint identification area, same described first
In pixel group, along line direction, the fingerprint region red pixel cell and the fingerprint region blue pixel cells have first
Pitch；The fingerprint region blue pixel cells and the fingerprint region green pixel cell have the second pitch；
In the non-fingerprint identification area, in the same second pixel group, along line direction, the first non-fingerprint region is red
Color pixel unit and the described first non-fingerprint region blue pixel cells have third pitch；The first non-fingerprint region blue pixel
Unit and the second non-fingerprint region green pixel cell have the 4th pitch；
Wherein, the first segment is away from, second pitch and fourth pitch substantially phase roughly equal with the third pitch
Deng.
6. display panel according to claim 4, which is characterized in that the display panel further includes data drive unit,
The data drive unit provides data-signal to the viewing area by the data line, so that the viewing area works；
The data drive unit provides the first input to the non-fingerprint region pixel unit for being located at the non-fingerprint identification area
Signal；
The data drive unit provides the second input signal to the fingerprint region pixel unit for being located at the fingerprint identification area；
Wherein, second input signal exports third input signal, and institute to the fingerprint identification area after compression processing
The data volume for stating third input signal is the half of the second input signal data amount.
7. display panel according to claim 6, which is characterized in that it is defeated that the fingerprint region pixel unit receives the third
Enter signal, and exports by the first rendering processing step and show picture with the first virtual resolution；
First virtual resolution is twice of the fingerprint region true resolution；
The first Rendering algorithms processing step includes：In the row direction, three adjacent display units are using shared pixel list
First mode is realized.
8. display panel according to claim 7, which is characterized in that three adjacent display units are respectively successively
First display unit, the second display unit, third display unit are set；
In the row direction, first display unit successively includes the fingerprint region red pixel cell, fingerprint region blue
Pixel unit；
In the row direction, second display unit includes the fingerprint region green pixel cell；
In the row direction, the third display unit successively includes the fingerprint region red pixel cell, fingerprint region blue
Pixel unit；
After the first Rendering algorithms processing step, first display unit is shared described in second display unit
Fingerprint region green pixel cell forms the first virtual display；
After the first Rendering algorithms processing step, second display unit is shared described in first display unit
It is virtually aobvious to form second for the fingerprint region red pixel cell in fingerprint region blue pixel cells and the third display unit
Show unit；
After the first Rendering algorithms processing step, the third display unit is shared described in second display unit
Fingerprint region green pixel cell forms third virtual display.
9. display panel according to claim 4, which is characterized in that the light transmittance of the display panel be 7.3%~
8.7%.
10. display panel according to claim 1, which is characterized in that under same area, in the fingerprint identification area
In, the fingerprint region pixel unit is arranged in M2 × N2 (M2, N2 are positive integer) array；In the non-fingerprint identification area, institute
Non- fingerprint region pixel unit is stated to arrange in 2M2 × N2 array；Wherein, M2 is the line number along the scanning line direction, and N2 is along institute
State the columns in data line direction.
11. display panel according to claim 10, which is characterized in that in the fingerprint identification area, in column direction phase
There is the 5th pitch between two fingerprint region pixel units of neighbour's setting；
In the non-fingerprint identification area, have the between two non-fingerprint region pixel units that column direction is disposed adjacent
Six pitches；
5th pitch is greater than the 6th pitch.
12. display panel according to claim 11, which is characterized in that
The length D5 of 5th pitch and the length D6 of the 6th pitch meet the following conditions：
The length D5 ≈ 2 of 5th pitch × (the length D6 of the 6th pitch).
13. display panel according to claim 11, which is characterized in that the display panel further includes data-driven list
Member, the data drive unit provides data-signal to the viewing area by the data line, so that the viewing area works；
The data drive unit provides the 4th input to the non-fingerprint region pixel unit for being located at the non-fingerprint identification area
Signal；
The data drive unit provides the 5th input signal to the fingerprint region pixel unit for being located at the fingerprint identification area；
Wherein, the 5th input signal exports the 6th input signal, and institute to the fingerprint identification area after compression processing
The data volume for stating the 6th input signal is the half of the 5th input signal data amount.
14. display panel according to claim 13, which is characterized in that the fingerprint region pixel unit receives the described 6th
Input signal, and export by the second rendering processing step and show picture with the second virtual resolution；
Second virtual resolution is twice of the fingerprint region true resolution；
The second Rendering algorithms processing step includes：In a column direction, two adjacent display units are using shared pixel list
First mode is realized.
15. display panel according to claim 14, which is characterized in that two adjacent display units be respectively according to
Secondary setting the 4th display unit, the 5th display unit；
In the row direction, the 4th display unit successively includes the fingerprint region red pixel cell, fingerprint region green
Pixel unit, the fingerprint region blue pixel cells；
In the row direction, the 5th display unit successively includes the fingerprint region red pixel cell, fingerprint region green
Pixel unit, the fingerprint region blue pixel cells；
After the second Rendering algorithms processing step, the 5th display unit and the 4th display unit in a column direction
Form the 6th virtual display.
16. display panel according to claim 14, which is characterized in that the light transmittance of the fingerprint identification area is 7.3%
~8.7%.
17. display panel according to claim 1, which is characterized in that under same area, in the fingerprint identification area
In, the fingerprint region pixel unit is arranged in M3 × N3 (M2, N2 are positive integer) array；In the non-fingerprint identification area, institute
Non- fingerprint region pixel unit is stated to arrange in 3M3 × N3 array；Wherein, M3 is the line number along the scanning line direction, and N3 is along institute
State the columns in data line direction.
18. display panel according to claim 17, which is characterized in that
In the fingerprint identification area, have the 7th between two be disposed adjacent in a column direction the fingerprint region pixel unit
Pitch；
In the non-fingerprint identification area, have between two be disposed adjacent in a column direction the non-fingerprint region pixel unit
8th pitch；
The length D7 of 7th pitch and the length D8 of the 8th pitch meet the following conditions：
The length D7 ≈ 3 of 7th pitch × (the length D8 of the 8th pitch).
19. display panel according to claim 18, which is characterized in that the light transmittance of the fingerprint identification area be 8%~
9.6%.
20. -19 any display panel according to claim 1, which is characterized in that the display device further includes that light sensation refers to
Line identification module, the light sensation fingerprint identification module include light sensing module, identification module and feedback module；
Wherein, the light sensing module is for incuding the light received；
The identification module is used for the light received according to the light sensing module, identifies the valley and a ridge of fingerprint；
The feedback module is used to the fingerprint results that the identification module identifies feeding back to driving chip.
21. a kind of display device, which is characterized in that the display device includes the described in any item display surfaces of claim 1-20
Plate.
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