CN108596147A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108596147A CN108596147A CN201810438927.1A CN201810438927A CN108596147A CN 108596147 A CN108596147 A CN 108596147A CN 201810438927 A CN201810438927 A CN 201810438927A CN 108596147 A CN108596147 A CN 108596147A
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
Abstract
The invention discloses a kind of display panel and display devices, belong to display technology field, including：Viewing area and non-display area；Viewing area includes multiple pixels, and pixel includes the sub-pixel of at least three kinds different colours, the area equation of sub-pixel；Viewing area includes multiple sub- viewing areas, and sub- viewing area includes at least one pixel；In one sub- viewing area, pixel includes at least one fingerprint pixel, and fingerprint pixel includes at least two fingerprint sub-pixels, and fingerprint identification unit is provided in the region where fingerprint sub-pixel；In same fingerprint pixel, the area of fingerprint identification unit is not exactly the same.Compared with the existing technology, the color offset phenomenon of the accuracy of fingerprint recognition and kind white light can be promoted.
Description
Technical field
The present invention relates to display technology fields, more particularly, to a kind of display panel and display device.
Background technology
In a kind of display device that the prior art provides, it is integrated with fingerprint identification unit.
For user when using display device, fingerprint identification unit can identify the finger print information of user, to make display fill
It sets and executes specific function, for example, user can use unlocked by fingerprint display device.
Fingerprint identification function is convenient, fast, safety is higher, and the performance for promoting fingerprint identification function is grinding for display device
Originating party to one of.
Invention content
In view of this, the present invention provides a kind of display panel and display devices.
The present invention provides a kind of display panels, including：Viewing area and non-display area；Viewing area includes multiple pixels, as
Element includes the sub-pixel of at least three kinds different colours, the area equation of sub-pixel；Viewing area includes multiple sub- viewing areas, sub- display
Area includes at least one pixel；In one sub- viewing area, pixel includes at least one fingerprint pixel, and fingerprint pixel includes at least two
A fingerprint sub-pixel is provided with fingerprint identification unit in the region where fingerprint sub-pixel；In same fingerprint pixel, fingerprint recognition
The area of unit is not exactly the same.
The present invention also provides a kind of display devices, including display panel provided by the invention.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit：
1, fingerprint identification unit is arranged in the region where sub-pixel, fingerprint identification function has been integrated in display
Area is advantageously implemented the function of full frame fingerprint recognition；
2, viewing area is divided into multiple sub- viewing areas, the set-up mode phase of the fingerprint identification unit in multiple sub- viewing areas
Together, be conducive to keep the fine degree of the fingerprint recognition in all subregion of viewing area close or identical, promote full frame fingerprint recognition
Homogeneity；
3, the pixel in sub- viewing area can be fingerprint recognition pixel, can also only be partly fingerprint recognition pixel, tool
Body is configured according to the specific design requirement of display panel, to meet the need of the fingerprint identification function of different display panels
It asks；
4, in same fingerprint pixel, the area of fingerprint identification unit is not exactly the same, promoted fingerprint recognition accuracy or
Person is apt to the color offset phenomenon of white light.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technique effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of planar structure schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of Fig. 1 neutrons viewing area；
Fig. 3 is the planar structure schematic diagram of a sub-pixel provided in an embodiment of the present invention；
Fig. 4 is a kind of circuit diagram of fingerprint identification unit provided in an embodiment of the present invention；
Fig. 5 is a kind of cross-sectional view for the fingerprint identification unit that Fig. 4 is provided；
Fig. 6 is the planar structure schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 7 is the planar structure schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of Fig. 7 neutrons viewing area；
Fig. 9 is the planar structure schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 10 is the planar structure schematic diagram of the sub- viewing area of another display panel provided in an embodiment of the present invention；
Figure 11 is the planar structure schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 12 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
It please refers to Fig.1, shown in 2, the present invention provides a kind of display panels, including：Viewing area AA and non-display area BB；It is aobvious
Show that area AA includes multiple pixels 10, pixel 10 includes the sub-pixel 11 of at least three kinds different colours, the area equation of sub-pixel 11；
Viewing area AA includes multiple sub- viewing area A1, and sub- viewing area A1 includes at least one pixel 10；One sub- viewing area
In A1, pixel 10 includes at least one fingerprint pixel 20, and fingerprint pixel 20 includes at least two fingerprint sub-pixels 21, fingerprint picture
It is provided with fingerprint identification unit 30 in region where element 21；In same fingerprint pixel 20, the area of fingerprint identification unit 30 is not
It is identical.
Specifically, pixel 10 includes the first color sub-pixels 1R, the second color sub-pixels 1G and third color sub-pixels
The area equation of 1B, the first color sub-pixels 1R, the second color sub-pixels 1G and third color sub-pixels 1B.
In the following, the present invention herein illustrates the area of sub-pixel 11.Referring to Figure 3, optional, grid line
G and data line S transposition insulators define the region where pixel electrode P1.Pixel electrode P1 passes through thin film transistor (TFT) TFT sum numbers
It is electrically connected according to line S.The area of sub-pixel 11 includes region and the part of grid pole of gate lines G and the restriction of data line S transposition insulators
Region where line G and segment data line S.The size in the region where sub-pixel 11 is the area of sub-pixel 11.
In the present embodiment, fingerprint pixel refers to the pixel for having fingerprint identification unit 30.The setting of fingerprint identification unit 30 exists
In the sub-pixel of fingerprint pixel, the sub-pixel that fingerprint identification unit 30 is provided in the region at place is fingerprint sub-pixel 21.
The finger print information of user can be converted to electric signal by fingerprint identification unit, by calculating and analyzing multiple fingerprint identification units
Electric signal can obtain the finger print information of user, to realize the function of fingerprint recognition.
In the present embodiment, only by sub- viewing area A1 include for a pixel 10 and the pixel 10 are fingerprint pixel 20 into
Row explanation.Also, in multiple sub- viewing area A1, the position of fingerprint identification unit 30 is identical.Only with the first color sub-pixels in Fig. 2
It is provided with for fingerprint identification unit 30 and illustrates in region where 1R and third color sub-pixels 1B, it is in other words, then more
In a sub- viewing area A1, fingerprint identification unit 30 is arranged in the first color sub-pixels 1R and third color sub-pixels 1B.Respectively
In sub- viewing area A1, the setting of fingerprint identification unit 30 is identical, is conducive to the fine journey for making the fingerprint recognition of each sub- viewing area A1
It spends identical, promotes the homogeneity of full frame fingerprint recognition, promote the performance of display panel fingerprint recognition.
In display panel provided in this embodiment, in same fingerprint pixel 20, the area of fingerprint identification unit 30 is incomplete
It is identical.Specifically, in Fig. 1 and display panel shown in Fig. 2, it is arranged in the first color sub-pixels 1R and third color sub-pixels 1B
In fingerprint identification unit 30 area it is different.
In some implementations, since the material of the certain film layers for the sub-pixel for making different colours is different, group picture
When the area of element is identical, the emitting brightness of the sub-pixel of different colours is different.The emitting brightness of sub-pixel may influence fingerprint
The area of fingerprint identification unit in same fingerprint pixel is set as not exactly the same, Ke Yiti by the electric signal of recognition unit
Rise the accuracy of fingerprint recognition.Specifically, such as emitting brightness of the first color sub-pixels is relatively strong, then the first color sub-pixels institute
Region in fingerprint identification unit area it is smaller, the emitting brightness of third color sub-pixels is weaker, then third color
The area of the fingerprint identification unit in region where pixel is larger, can increase fingerprint identification unit for sensing optical signal
Area is conducive to the shadow for reducing the interference that fingerprint identification unit is received to increase the electrical signal intensity of fingerprint identification unit
It rings, promotes the accuracy of fingerprint recognition.
In addition to this, in other realization methods, the material of certain film layers of the sub-pixel due to making different colours
Difference, when the area of sub-pixel is identical, the emitting brightness of the sub-pixel of different colours is different, to cause multiple sub-pixels mixed
There are colour casts for the white coloured light obtained after color.In order to reduce the color offset phenomenon of white light, by the face for adjusting fingerprint identification unit
The area of long-pending, the area so as to adjust pixel electrode or sub-pixel output optical zone, improves the color offset phenomenon of white light.Tool
Body, such as the emitting brightness of the first color sub-pixels is weaker, the then fingerprint recognition in the region where the first color sub-pixels
The area of unit is smaller, so that the area of the pixel electrode of the first color sub-pixels or the area of output optical zone are larger；Third face
The emitting brightness of sub-pixels is larger compared with strong, the then fingerprint identification unit in the region where third color sub-pixels area,
So that the area of the pixel electrode of third color sub-pixels or the area of output optical zone are smaller, so that the first color sub- picture
The preferable white light of white balance is obtained after element, the second color sub-pixels and third color sub-pixels colour mixture, improves the color of white light
Inclined phenomenon.
Display panel provided in this embodiment, at least has the following technical effect that：
1, fingerprint identification unit is arranged in the region where sub-pixel, fingerprint identification function has been integrated in display
Area is advantageously implemented the function of full frame fingerprint recognition；
2, viewing area is divided into multiple sub- viewing areas, the set-up mode phase of the fingerprint identification unit in multiple sub- viewing areas
Together, be conducive to keep the fine degree of the fingerprint recognition in all subregion of viewing area close or identical, promote full frame fingerprint recognition
Homogeneity；
3, the pixel in sub- viewing area can be fingerprint recognition pixel, can also only be partly fingerprint recognition pixel, tool
Body is configured according to the specific design requirement of display panel, to meet the need of the fingerprint identification function of different display panels
It asks；
4, in same fingerprint pixel, the area of fingerprint identification unit is not exactly the same, promoted fingerprint recognition accuracy or
Person improves the color offset phenomenon of white light.
In display panel provided in an embodiment of the present invention, the concrete structure of fingerprint identification unit can there are many.
In some optional embodiments, fingerprint identification unit includes photodiode or fingerprint identification unit includes
Fingerprint recognition electrode.
Specifically, fingerprint identification unit may include photodiode, photodiode can convert optical signals to electricity
Signal.Please refer to Fig.4 and Fig. 5, Fig. 4 be a kind of fingerprint identification unit in display panel provided in an embodiment of the present invention circuit
Figure, Fig. 5 are the cross-sectional views for the fingerprint identification unit that Fig. 4 is provided.In the display panel that various embodiments of the present invention provide,
Fingerprint identification unit 30 includes photodiode D and thin film transistor (TFT) T；The grid Tg and control signal wire KL of thin film transistor (TFT) T
Electrical connection, the first pole Ts of thin film transistor (TFT) T are electrically connected with signal wire SL, the second pole Td and photosensitive two pole of thin film transistor (TFT) T
Pipe D electrical connections.Photodiode D is used to the light that finger reflects being converted into current signal.
Optionally, photodiode D is a kind of PIN diode.Wherein, photodiode D includes being located at anode D1 and bearing
PIN junction D3 between the D2 of pole.Wherein, PIN junction D3 is by P-type semiconductor, N-type semiconductor and in P-type semiconductor and N-type semiconductor
Between intrinsic semiconductor (I types layer) composition.Specifically, cathode D2 is formed by opaque metal, and the boundary of PIN junction D3 does not surpass
Cross the boundary of cathode D2.PIN junction D3 has light sensitive characteristic, and has unilateral conduction.When no light, PIN junction D3 has very little
Saturation reverse leakage current, i.e. dark current, at this time photodiode D end.When by illumination, the saturation of PIN junction D3 is reversed
Leakage current greatly increases, and forms photoelectric current, and photoelectric current changes with the variation of incident intensity.In the present embodiment, photosensitive two pole
The second pole Td of the cathode D2 and thin film transistor (TFT) T of pipe D are electrically connected.
In the fingerprint recognition stage, the thin film transistor (TFT) T conductings in fingerprint identification unit 30.Light irradiation in display panel
Reflected light is formed onto finger, and in the surface reflection of finger print.It is incident on finger through the reflected light that finger print reflects to form
In line recognition unit 30, is received, and convert thereof into current signal, formed by the photodiode D of fingerprint identification unit 30
Current signal be transmitted to signal wire SL through thin film transistor (TFT) T.Due to the concave-convex degree of the fingerprint of different location on finger and recessed
Convex form is different, and causes the reflectivity that light is irradiated to the different location of fingerprint different, and then cause fingerprint identification unit
The intensity of 30 reflected lights received is different, and the current signal that photodiode D is converted into is of different sizes, big according to current signal
It is small to carry out fingerprint recognition.
Specifically, fingerprint identification unit may include fingerprint recognition electrode, multiple fingerprint recognition electrodes are for realizing fingerprint
Identification function.Specifically, after fingerprint recognition electrode reception electric signal, electricity based on self-capacitance or mutual capacitance can be formed
Hold.When finger to display panel execute touch control operation when, finger it is close or contact display panel after, different location on finger
The influence of the concave-convex degree of fingerprint and concaveconvex shape for the basic capacitance of fingerprint recognition electrode is different.Analyze multiple fingerprint recognitions
Variable quantity of the capacitance of electrode relative to basic capacitance, can obtain the fingerprint at fingerprint recognition electrode position concave-convex degree and
Concaveconvex shape, to identify finger print information.
In the following, the present invention herein illustratively illustrates the specific set-up mode of fingerprint identification unit.
Optionally, referring to FIG. 6, sub- viewing area A1 includes at least two pixels 10, and at least two pixels 10 include referring to
Line pixel 20 and normal pixels 40；
It is not provided with fingerprint identification unit 30, the sub- picture of normal pixels 40 in region where the sub-pixel 11 of normal pixels 40
The area of the output optical zone of element 11 is identical；
Fingerprint pixel 20 further includes conventional sub-pixel 22, and fingerprint recognition list is not provided in the region where conventional sub-pixel 22
Member；
In fingerprint pixel 20, the area of the output optical zone of fingerprint sub-pixel 21 is less than the face of the output optical zone of conventional sub-pixel 22
Product.
It is son clearly to illustrate the technical solution of the present embodiment, the sub-pixel illustrated in Fig. 6 for it should be noted that
The output optical zone of pixel.
Only include two pixels 10 with sub- viewing area A1, two pixels 10 are respectively 20 He of fingerprint pixel in the present embodiment
It is illustrated for normal pixels 40.Optionally, sub- viewing area A1 includes multiple pixels, and existing fingerprint picture in multiple pixels
Element also has normal pixels.
Since in fingerprint pixel 20 and normal pixels 40, the area of sub-pixel is identical, and fingerprint identification unit may
The area of the output optical zone of sub-pixel can be occupied, therefore, the lighting area for being provided with the fingerprint sub-pixel of fingerprint identification unit is smaller,
Less than the conventional sub-pixel for being not provided with fingerprint identification unit.
Fingerprint identification unit may occupy the area of the output optical zone of sub-pixel, reduce the aperture opening ratio of display panel.This reality
The display panel of example offer is applied, multiple pixels are both including fingerprint pixel or including normal pixels, as, only in partial pixel
Fingerprint identification unit is set.Therefore, display panel provided in this embodiment can keep the area of the output optical zone of normal pixels not
It is influenced by fingerprint identification unit, to be conducive to while realizing full frame fingerprint identification function, promote opening for display panel
Mouth rate, promotes display quality.
Optionally, with continued reference to FIG. 6, in multiple pixels 10, in addition to fingerprint sub-pixel 21, the light extraction of remaining sub-pixel
Size, the shape in area are identical.As, fingerprint identification unit only changes the area of the output optical zone of fingerprint sub-pixel, remaining son
The size and shape of the output optical zone of pixel is consistent.
Optionally, referring to FIG. 7, the pixel 10 in sub- viewing area A1 is fingerprint pixel 20；Son in fingerprint pixel 20
Pixel is fingerprint sub-pixel 21.
It is son clearly to illustrate the technical solution of the present embodiment, the sub-pixel illustrated in Fig. 7 for it should be noted that
The output optical zone of pixel.
In display panel provided in this embodiment, fingerprint identification unit is provided in pixel, and in each sub-pixel
Provided with fingerprint identification unit.Since fingerprint identification unit may occupy the area of the output optical zone of sub-pixel, by each pixel
In sub-pixel where region in be respectively provided with fingerprint identification unit, be conducive to that the aperture opening ratio of each pixel is made to be consistent, carry
Rise the homogeneity of the display effect of display panel.
In addition to this, it will be respectively provided with fingerprint identification unit in the region where the sub-pixel in each pixel, is conducive to carry
The quantity for rising the fingerprint identification unit in unit area, to be conducive to promote the precision of display the inside fingerprint recognition.
Optionally, referring to FIG. 8, pixel 10 includes red sub-pixel 1R, green sub-pixels 1G and blue subpixels 1B；I.e.
For the first color is red, and the second color is green, and third color is blue；
Fingerprint identification unit 30 includes photodiode；
In same fingerprint pixel 20, the area of the fingerprint identification unit 30 in the regions red sub-pixel 1R is SR, green
The area of fingerprint identification unit 30 in the regions sub-pixels 1G is SG, the fingerprint in the regions blue subpixels 1B knows
The area of other unit 30 is SB, wherein SB＞ SR＞ SG。
Display panel that the prior art provides in such as liquid crystal display panel, makes sub-pixel show different using color blocking
Color.Since the material of the color blocking of different colours differs, the light transmittance of the color blocking of different colours has differences.In general, blue
The light transmittance of color blocking is smaller, green color blocking light transmittance is larger, and the light transmittance of red color resistance is between blue color blocking and green color
Between resistance.In other words, when the area of output optical zone is identical, green sub-pixels 1G is most bright, red sub-pixel 1R takes second place, and blue
Pixel 1B is most dark.
Fingerprint identification unit 30 includes photodiode, and the light that sub-pixel is sent out is as light source to assist realizing that fingerprint is known
Other function.Specifically, the light that sub-pixel is sent out is irradiated on finger, and reflected light is formed in the surface reflection of finger print.
It is incident in fingerprint identification unit 30 through the reflected light that finger print reflects to form, by the photodiode of fingerprint identification unit 30
D is received, and converts thereof into current signal.
Since blue subpixels are most dark, the light that blue subpixels are sent out is weaker, the light that blue subpixels are sent out
It is also weaker to handle the reflection light after digital reflex.Thus, the light intensity that the photodiode of blue subpixels region is received
It is weaker.The light intensity that photodiode in order to increase blue subpixels region is received, by the locations blue subpixels 1B
The area S of fingerprint identification unit 30 in domainBThe maximum of setting, is conducive to the area for increasing photodiode, as increases and refers to
Line recognition unit is used to sense the area of optical signal, to increase the electrical signal intensity of fingerprint identification unit, is conducive to reduction and refers to
The influence for the interference that line recognition unit is received promotes the accuracy of fingerprint recognition.
In order to make the fingerprint identification unit in red sub-pixel 1R, green sub-pixels 1G and the regions blue subpixels 1B
Fingerprint recognition precision it is more uniform, in the present embodiment, be arranged SB＞ SR＞ SG。
Since green sub-pixels are most bright, the light that green sub-pixels are sent out is stronger, the light that green sub-pixels are sent out
It is also relatively strong to handle the reflection light after digital reflex.Thus, the light intensity that the photodiode of green sub-pixels region is received
It is relatively strong.It, will in order to keep the precision of the fingerprint recognition of the fingerprint identification unit in different colours sub-pixel region more uniform
The area S of fingerprint identification unit 30 in the regions green sub-pixels 1GGThe minimum of setting is conducive to reduce photodiode
Area, as reduce fingerprint identification unit and be used to sense the area of optical signal, to reduce the electric signal of fingerprint identification unit
Intensity so that the precision of the fingerprint recognition of green sub-pixels 1G and the fingerprint identification unit in the regions blue subpixels 1B compared with
It is uniform.
Since the brightness of red sub-pixel is between blue subpixels and green sub-pixels, thus red sub-pixel 1R institutes
The area of fingerprint identification unit in the zone is SR, SRBetween SBAnd SGBetween, be conducive to red sub-pixel 1R, the sub- picture of green
The precision of the fingerprint recognition of plain 1G and the fingerprint identification unit in the regions blue subpixels 1B is more uniform
Optionally, referring to FIG. 9, fingerprint pixel 20 includes two fingerprint sub-pixels 21, and two fingerprint sub-pixels 21
Color is identical.
It is son clearly to illustrate the technical solution of the present embodiment, the sub-pixel illustrated in Fig. 9 for it should be noted that
The output optical zone of pixel.
For example, in display panel provided in this embodiment, pixel includes 4 sub-pixels, and 4 sub-pixels include three kinds
The sub-pixel of color, as, there are the identical sub-pixels of two colors in pixel.For example, pixel 10 may include the first color
Sub-pixel 1R, two the second color sub-pixels 1G and third color sub-pixels 1B.Wherein, the first color is red, the second color
It is blue for green, third color；Alternatively, the first color is green, the second color is red, third color is blue；Alternatively,
First color is red, the second color is blue, third color is green.
Since fingerprint identification unit may occupy the area of the output optical zone of sub-pixel, in the present embodiment, will be set in pixel
The identical sub-pixel of two colors has been set, and fingerprint identification unit only is set in the identical sub-pixel of the two colors, it can
So that the area of the output optical zone of the sub-pixel of three kinds of colors is more uniform, to make in pixel after the sub-pixel colour mixture of three kinds of colors
The preferable white light of white balance is obtained, the display quality of display panel is promoted.
In display panel provided in an embodiment of the present invention, the relative position of the output optical zone of fingerprint identification unit and sub-pixel is closed
System can there are many.
Optionally, the output optical zone encirclement of fingerprint sub-pixel or the region where semi-surrounding fingerprint identification unit.It please refers to
Fig. 7, the output optical zone of fingerprint sub-pixel 21 surround the region where fingerprint identification unit 30.Alternatively, please referring to Fig.1, Fig. 6 or figure
9, the region where the output optical zone semi-surrounding fingerprint identification unit 30 of fingerprint sub-pixel 21.
Please continue to refer to Fig. 1, Fig. 6 or Fig. 9, fingerprint identification unit 30 can be located at the side of the output optical zone of fingerprint sub-pixel
At angle or centre position.
In addition to this, any position for the output optical zone that fingerprint identification unit 30 can be located at fingerprint sub-pixel optionally asks
With reference to figure 10, the only part of fingerprint identification unit 30 is by the output optical zone semi-surrounding of fingerprint sub-pixel.Those skilled in the art can manage
Solution, the relative position relation of the output optical zone of fingerprint identification unit and sub-pixel can there are many, the embodiment of the present invention is no longer
It repeats one by one.
The technical solution of the present embodiment, the sub-pixel illustrated in Figure 10 is clearly illustrated to be for it should be noted that
The output optical zone of sub-pixel.
Optionally, please refer to Fig.1 1, in fingerprint pixel 20, the output optical zone of fingerprint sub-pixel 21 and conventional sub-pixel 22 it is big
It is small, shape is identical.
In the present embodiment, fingerprint identification unit can be located at the position between the output optical zone of two adjacent sub-pixels, from
And size, the shape of the output optical zone of fingerprint sub-pixel 21 and conventional sub-pixel 22 can be respectively provided with identical, be conducive to be promoted
The display quality of display panel.
Optionally, in the display panel that any embodiment of the present invention provides, in sub- viewing area, fingerprint recognition sub-pixel
PPI is more than or equal to 300.PPI is Pixels Per Inch abbreviations, and represented by pixels per inch is that per inch is possessed
Pixel (pixel) number.The PPI of fingerprint recognition sub-pixel is set greater than equal to 300, it is ensured that the essence of fingerprint recognition
Thin degree, to promoted display panel fingerprint recognition performance.
The present invention also provides a kind of display devices, including display panel provided by the invention.
Please refer to Fig.1 the structural schematic diagram that 2, Figure 12 is a kind of display device provided in an embodiment of the present invention.Figure 12 is provided
Display device 1000 include display panel 1001 that any of the above-described embodiment of the present invention provides.Figure 12 embodiments are only with mobile phone
Example, display device 1000 is illustrated, it is to be understood that display device provided in an embodiment of the present invention, can be computer,
Other display devices with display function such as TV, display device for mounting on vehicle, the present invention are not specifically limited this.The present invention is real
The display device for applying example offer, the advantageous effect with display panel provided in an embodiment of the present invention, can specifically refer to above-mentioned
Each embodiment is illustrated for display panel, and details are not described herein for the present embodiment.
By above-described embodiment it is found that display panel provided by the invention and display device, at least realizing following has
Beneficial effect：
1, fingerprint identification unit is arranged in the region where sub-pixel, fingerprint identification function has been integrated in display
Area is advantageously implemented the function of full frame fingerprint recognition；
2, viewing area is divided into multiple sub- viewing areas, the set-up mode phase of the fingerprint identification unit in multiple sub- viewing areas
Together, be conducive to keep the fine degree of the fingerprint recognition in all subregion of viewing area close or identical, promote full frame fingerprint recognition
Homogeneity；
3, the pixel in sub- viewing area can be fingerprint recognition pixel, can also only be partly fingerprint recognition pixel, tool
Body is configured according to the specific design requirement of display panel, to meet the need of the fingerprint identification function of different display panels
It asks；
4, in same fingerprint pixel, the area of fingerprint identification unit is not exactly the same, promoted fingerprint recognition accuracy or
Person is apt to the color offset phenomenon of white light.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (11)
1. a kind of display panel, which is characterized in that including：
Viewing area and non-display area；
The viewing area includes multiple pixels, and the pixel includes the sub-pixel of at least three kinds different colours, the sub-pixel
Area equation；
The viewing area includes multiple sub- viewing areas, and the sub- viewing area includes at least one pixel；
In one sub- viewing area, the pixel includes at least one fingerprint pixel, and the fingerprint pixel includes at least two
Fingerprint sub-pixel is provided with fingerprint identification unit in the region where the fingerprint sub-pixel；
In the same fingerprint pixel, the area of the fingerprint identification unit is not exactly the same.
2. display panel according to claim 1, which is characterized in that
The fingerprint identification unit includes photodiode or the fingerprint identification unit includes fingerprint recognition electrode.
3. display panel according to claim 1, which is characterized in that
The sub- viewing area include at least two pixels, and at least two pixel include the fingerprint pixel and
Normal pixels；
The fingerprint identification unit is not provided in region where the sub-pixel of the normal pixels, the normal pixels
The area of the output optical zone of the sub-pixel is identical；
The fingerprint pixel further includes conventional sub-pixel, and the fingerprint recognition is not provided in the region where the routine sub-pixel
Unit；
In the fingerprint pixel, the area of the output optical zone of the fingerprint sub-pixel is less than the face of the output optical zone of the conventional sub-pixel
Product.
4. display panel according to claim 1, which is characterized in that
The pixel in the sub- viewing area is the fingerprint pixel；
The sub-pixel in the fingerprint pixel is the fingerprint sub-pixel.
5. display panel according to claim 4, which is characterized in that
The pixel includes red sub-pixel, green sub-pixels and blue subpixels；
The fingerprint identification unit includes photodiode；
In the same fingerprint pixel, the area of the fingerprint identification unit in the red sub-pixel region is SR, institute
The area for stating the fingerprint identification unit in green sub-pixels region is SG, in the blue subpixels region
The area of the fingerprint identification unit is SB, wherein SB＞ SR＞ SG。
6. display panel according to claim 1, which is characterized in that
The fingerprint pixel includes two fingerprint sub-pixels, and the color of described two fingerprint sub-pixels is identical.
7. display panel according to claim 1, which is characterized in that
Region where fingerprint identification unit described in the output optical zone encirclement of the fingerprint sub-pixel or semi-surrounding.
8. display panel according to claim 1, which is characterized in that
In the fingerprint pixel, the fingerprint sub-pixel is identical with size, the shape of the output optical zone of the conventional sub-pixel.
9. display panel according to claim 1, which is characterized in that
In the multiple pixel, in addition to the fingerprint sub-pixel, size, the shape phase of the output optical zone of remaining sub-pixel
Together.
10. display panel according to claim 1, which is characterized in that
In the sub- viewing area, the PPI that the fingerprint knows sub-pixel is more than or equal to 300.
11. a kind of display device, which is characterized in that including according to claim 1-10 any one of them display panels.
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| CN201810438927.1A CN108596147B (en) | 2018-05-09 | 2018-05-09 | Display panel and display device |
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| CN201810438927.1A CN108596147B (en) | 2018-05-09 | 2018-05-09 | Display panel and display device |
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| CN109521586A (en) * | 2018-12-10 | 2019-03-26 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110969122A (en) * | 2019-11-30 | 2020-04-07 | Oppo广东移动通信有限公司 | Display screen, electronic equipment and fingerprint identification method |
| WO2020151414A1 (en) * | 2019-01-24 | 2020-07-30 | 京东方科技集团股份有限公司 | Display panel and drive method therefor, and display device |
| CN111968587A (en) * | 2019-05-19 | 2020-11-20 | 群创光电股份有限公司 | Display device and driving method thereof |
| CN112649984A (en) * | 2019-10-12 | 2021-04-13 | 北京小米移动软件有限公司 | Liquid crystal display panel and intelligent terminal provided with same |
| EP3920227A4 (en) * | 2019-01-30 | 2022-11-02 | Boe Technology Group Co., Ltd. | Display panel and display apparatus |
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| CN109521586A (en) * | 2018-12-10 | 2019-03-26 | 厦门天马微电子有限公司 | Display panel and display device |
| WO2020151414A1 (en) * | 2019-01-24 | 2020-07-30 | 京东方科技集团股份有限公司 | Display panel and drive method therefor, and display device |
| US11164502B2 (en) | 2019-01-24 | 2021-11-02 | Boe Technology Group Co., Ltd. | Display panel and driving method thereof and display device |
| EP3920227A4 (en) * | 2019-01-30 | 2022-11-02 | Boe Technology Group Co., Ltd. | Display panel and display apparatus |
| US11653548B2 (en) | 2019-01-30 | 2023-05-16 | Boe Technology Group Co., Ltd. | Display panel and display apparatus |
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| CN112649984A (en) * | 2019-10-12 | 2021-04-13 | 北京小米移动软件有限公司 | Liquid crystal display panel and intelligent terminal provided with same |
| US11703705B2 (en) | 2019-10-12 | 2023-07-18 | Beijing Xiaomi Mobile Software Co., Ltd. | Liquid crystal display panel and smart terminal provided with the same |
| CN110969122A (en) * | 2019-11-30 | 2020-04-07 | Oppo广东移动通信有限公司 | Display screen, electronic equipment and fingerprint identification method |
| WO2021104241A1 (en) * | 2019-11-30 | 2021-06-03 | Oppo广东移动通信有限公司 | Display screen, electronic device and fingerprint recognition method |
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| US11798310B2 (en) | 2019-11-30 | 2023-10-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen, electronic device, and fingerprint recognition method |
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