CN110376803A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110376803A CN110376803A CN201910543166.0A CN201910543166A CN110376803A CN 110376803 A CN110376803 A CN 110376803A CN 201910543166 A CN201910543166 A CN 201910543166A CN 110376803 A CN110376803 A CN 110376803A
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- Prior art keywords
- polaroid
- display panel
- angle
- connecting portion
- pixel electrode
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
Abstract
The present invention discloses a kind of display panel and display device, is related to field of display technology, including the color membrane substrates being oppositely arranged and array substrate；First polaroid, the side positioned at color membrane substrates far from array substrate；Second polaroid, the side positioned at array substrate far from color membrane substrates；The absorption axiss angle of first polaroid and the absorption axiss angle of the second polaroid are not 0 ° or 90 °；Array substrate includes pixel electrode layer；Pixel electrode layer includes multiple pixel electrodes arranged along first direction and second direction；Multiple strip branches that each pixel electrode includes first connecting portion and connect and be parallel to each other with first connecting portion, first connecting portion extend in a second direction, and multiple strip branches are located at the same side of first connecting portion along first direction；Angle between strip branch and first connecting portion is β, 0 ° of 90 ° of < β <.In this way, passing through the special designing of pixel electrode and polaroid, improves the display panel readability when wearing sunglasses, be conducive to save the cost.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display panel and display device.
Background technique
With the development of science and technology, the flat display apparatus such as liquid crystal display area because having high image quality, power saving, fuselage thin and
The advantages that having a wide range of application, and it is widely used in mobile phone, TV, personal digital assistant, laptop, desktop computer
Etc. in various consumer electrical products, become the mainstream in display device.
Liquid crystal display on existing market is largely backlight liquid crystal display comprising shell is set to shell
Interior liquid crystal display panel and it is set to the intracorporal backlight module of shell.Traditional liquid crystal display panel is by a piece of array substrate and one
Piece color membrane substrates are bonded, and form pixel electrode and public electrode in array substrate and the relative inner of color membrane substrates respectively,
And liquid crystal is poured between array substrate and color membrane substrates, its working principle is that by being applied between pixel electrode and public electrode
Add driving voltage, the rotation of the liquid crystal molecule in liquid crystal layer is controlled using the electric field formed between pixel electrode and public electrode
Turn, the light refraction of backlight module is come out and generates picture.
Outdoors in environment, many users, which have, wears polarized sunglasses to stop the habit of dazzling sunlight, and passes through polarisation
Sunglasses observes the image of LCD Panel.And polarized sunglasses generally include to have along horizontal direction or vertical direction
The polarization element through axis, easily there is the case where blank screen under landscape/portrait (horizontal/vertical) mode.
To guarantee that display screen can be used normally when wearing polarized sunglasses in people, it can generally add one on a display panel
Sunglass POL (i.e. sunglasses polaroid), makes the line polarisation of screen exit become rotatory polarization, avoids the occurrence of and wear the polarisation sun
When mirror under landscape/portrait (horizontal/vertical) mode the case where blank screen.However, such sunglass POL price
It is high, it is higher than common POL, is unfavorable for save the cost.
Summary of the invention
In view of this, passing through the spy of pixel electrode and polaroid the present invention provides a kind of display panel and display device
Different design, is conducive to the readability for improving the display panel when wearing sunglasses, while being conducive to save display panel and display
The production cost of device.
In a first aspect, the application provides a kind of display panel, comprising:
It the color membrane substrates and array substrate that are oppositely arranged and is filled between the color membrane substrates and the array substrate
Liquid crystal；
First polaroid, the side positioned at the color membrane substrates far from the array substrate；
Second polaroid, the side positioned at the array substrate far from the color membrane substrates；
The absorption axiss angle of first polaroid is α 1, and the absorption axiss angle of second polaroid is α 2, wherein α 1
≠ 0 °, 1 ≠ 90 ° of α, and, 2 ≠ 0 ° of α, 2 ≠ 90 ° of α；
The array substrate includes underlay substrate and the pixel positioned at the underlay substrate towards the color membrane substrates side
Electrode layer；The pixel electrode layer includes multiple pixel electrodes arranged along first direction and second direction；
Each pixel electrode includes first connecting portion and connect and be parallel to each other with the first connecting portion multiple
Shape branch, the first connecting portion extend along the second direction, and multiple strip branches are located at institute along the first direction
State the same side of first connecting portion；Angle between the strip branch and the first connecting portion is β, 0 ° of 90 ° of < β <；Institute
First direction is stated to intersect with the second direction.
Optionally, in which:
The absorption axiss angle of first polaroid and second polaroid meets: 0 ° of 90 ° of 1 < of < α, α 2=α 1+
90°；
Alternatively, the absorption axiss angle of first polaroid and second polaroid meets:
0 ° of 90 ° of 2 < of < α, α 1=α 2+90 °.
Optionally, in which:
The absorption axiss angle of first polaroid and second polaroid meets: 1≤60 ° of 30 °≤α, α 2=α 1+
90°；
Alternatively, the absorption axiss angle of first polaroid and second polaroid meets: 2≤60 ° of 30 °≤α, α 1=
α2+90°。
Optionally, in which:
The absorption axiss angle of first polaroid and second polaroid meets: α 1=45 °, α 2=135 °；Alternatively,
α 2=45 °, α 1=135 °.
Optionally, in which:
Angle β between the strip branch and the first connecting portion meets: 20 ° of 70 ° of < β <.
Optionally, in which:
Angle β between the strip branch and the first connecting portion meets: β=55 °.
Optionally, in which:
The alignment direction of the liquid crystal is parallel with the direction of absorption axiss of first polaroid or second polaroid.
Optionally, in which:
The display panel further includes public electrode and multiple sons arranged along the first direction and the second direction
Pixel unit, the pixel electrode layer are located at side of the common electrode layer far from the underlay substrate；Each sub- picture
Plain unit includes a pixel electrode；
The array substrate further includes array layer, and the array layer is located at the common electrode layer towards the underlay substrate
Side, the array layer includes multiple driving transistors, in the same sub-pixel unit, it is described driving transistor leakage
Pole is electrically connected with pixel electrode one-to-one correspondence.
Optionally, in which:
The display panel further includes multiple fingerprint Identification sensors, and the fingerprint Identification sensor is integrated in the array
Layer；
The color membrane substrates include black matrix layer, and the black matrix layer limits multiple pixel openings and multiple fingerprint recognitions are opened
Mouthful, color blocking is provided in the pixel openings, the fingerprint recognition opening and the fingerprint Identification sensor are in the substrate base
The orthographic projection of plane is overlapping where plate.
Optionally, in which:
The sub-pixel unit includes open region and non-open region, and the pixel openings are located at the open region；The finger
Line identification opening is located at the non-open region in the orthographic projection of plane where the underlay substrate.
Second aspect, the application also provide a kind of display device, including display panel, which is mentioned by the application
The display panel of confession.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit:
Suction in display panel and display device provided by the embodiment of the present application, to the first polaroid and the second polaroid
The angle for receiving axis is improved, and making the angle of the absorption axiss of the first polaroid and the second polaroid is not 0 ° or 90 °, simultaneously
Cooperate the special construction design of pixel electrode, i.e. pixel electrode includes the first connecting portion extended in a second direction and is connected thereto
Multiple strip branches, each strip branch is parallel to each other and angle between first connecting portion is 0 ° of 90 ° of < β <.Due to inclined
Light sunglasses is generally included with the polarization element through axis along horizontal direction or vertical direction, and the application is by display surface
The angle of the absorption axiss of the first polaroid and the second polaroid is adjusted to not 0 deg and non-90 degree in plate, in conjunction with the upper of pixel electrode
Special construction design is stated effectively to avoid the occurrence of when observing the screen of display panel in the case where wearing polarized sunglasses
Under landscape/portrait (horizontal/vertical) mode the case where blank screen, and without specially increasing in display panel
Sunglass POL, therefore, improvement while the readability of display panel, also help saving display surface when wearing sunglasses
The production cost of plate and display device.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical 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.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 show a kind of top view of display panel provided by the embodiment of the present application；
Fig. 2 show a kind of AA ' sectional view of display panel provided by Fig. 1；
Fig. 3 show a kind of BB ' sectional view of array substrate in display panel provided by Fig. 1；
Fig. 4 show a kind of structural schematic diagram of pixel electrode provided by the embodiment of the present application；
Fig. 5 show another structural schematic diagram of pixel electrode provided by the embodiment of the present application；
Fig. 6 show a kind of arrangement schematic diagram of display panel sub-pixel unit provided by the embodiment of the present application；
Fig. 7 show another AA ' sectional view of display panel provided by embodiment illustrated in fig. 1；
Fig. 8 show a kind of top view of a sub-pixel unit in display panel provided by the embodiment of the present application；
Fig. 9 show a kind of structural schematic diagram of display device provided by the embodiment of the present application.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, 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.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
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.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
In the prior art, outdoors in environment, many users have the habit for wearing polarized sunglasses to stop dazzling sunlight,
And the image of LCD Panel is observed by polarized sunglasses.And polarized sunglasses generally include to have along horizontal direction
Or the polarization element through axis of vertical direction, easily go out under landscape/portrait (horizontal/vertical) mode
The case where existing blank screen.It, generally can be in display panel to guarantee that display screen can be used normally when wearing polarized sunglasses in people
A upper plus sunglass POL (i.e. sunglasses polaroid), makes the line polarisation of screen exit become rotatory polarization, avoids the occurrence of and wear
When polarized sunglasses under landscape/portrait (horizontal/vertical) mode the case where blank screen.However, such sunglass
POL is at high price, and about 0.2 dollar/pcs more expensive than common POL is unfavorable for save the cost.
In view of this, passing through the spy of pixel electrode and polaroid the present invention provides a kind of display panel and display device
Different design, is conducive to the readability for improving the display panel when wearing sunglasses, while being conducive to save display panel and display
The production cost of device.Display panel provided herein, comprising:
It the color membrane substrates and array substrate that are oppositely arranged and is filled between the color membrane substrates and the array substrate
Liquid crystal；
First polaroid, the side positioned at the color membrane substrates far from the array substrate；
Second polaroid, the side positioned at the array substrate far from the color membrane substrates；
The absorption axiss angle of first polaroid is α 1, and the absorption axiss angle of second polaroid is α 2, wherein α 1
≠ 0 °, 1 ≠ 90 ° of α, and, 2 ≠ 0 ° of α, 2 ≠ 90 ° of α；
The array substrate includes underlay substrate and the pixel positioned at the underlay substrate towards the color membrane substrates side
Electrode layer；The pixel electrode layer includes multiple pixel electrodes arranged along first direction and second direction；
Each pixel electrode includes first connecting portion and connect and be parallel to each other with the first connecting portion multiple
Shape branch, the first connecting portion extend along the second direction, and multiple strip branches are located at institute along the first direction
State the same side of first connecting portion；Angle between the strip branch and the first connecting portion is β, 0 ° of 90 ° of < β <；Institute
First direction is stated to intersect with the second direction.
It is described in detail below with reference to the drawings and specific embodiments.
Fig. 1 show a kind of top view of display panel provided by the embodiment of the present application, and Fig. 2 show Fig. 1 and provided
Display panel a kind of AA ' sectional view, Fig. 3 show a kind of section BB ' of array substrate in display panel provided by Fig. 1
Figure, Fig. 4 show a kind of structural schematic diagram of pixel electrode provided by the embodiment of the present application, incorporated by reference to Fig. 1 to Fig. 4, this Shen
A kind of display panel 100 please be provided, comprising:
It the color membrane substrates 20 being oppositely arranged and array substrate 10 and is filled between color membrane substrates 20 and array substrate 10
Liquid crystal 30；
First polaroid 31, the side positioned at color membrane substrates 20 far from array substrate 10；
Second polaroid 32, the side positioned at array substrate 10 far from color membrane substrates 20；
The absorption axiss angle of first polaroid 31 is α 1, and the absorption axiss angle of the second polaroid 32 is α 2, wherein α 1 ≠
0 °, 1 ≠ 90 ° of α, and, 2 ≠ 0 ° of α, 2 ≠ 90 ° of α；
Array substrate 10 include underlay substrate 11 and positioned at underlay substrate 11 towards the pixel electrode of 20 side of color membrane substrates
Layer 80；Pixel electrode layer 80 includes multiple pixel electrodes 50 arranged along first direction and second direction；
Fig. 4 is referred to, each pixel electrode 50 includes first connecting portion 51 and connect and be parallel to each other with first connecting portion 51
Multiple strip branches 52, first connecting portion 51 extends in a second direction, and multiple strip branches 52 are located at first along first direction
The same side of interconnecting piece 51；Angle between strip branch 52 and first connecting portion 51 is β, 0 ° of 90 ° of < β <；First direction with
Second direction intersection.
It should be noted that only schematically illustrated to the structure of display panel such as 1, not to actual shape and
Size is defined.Fig. 2 only representatively illustrates color membrane substrates 20, array substrate 10, the first polaroid 31 and the second polaroid
A kind of 32 relative positional relationship, does not represent actual film layer structure and size, on the basis of shown in Fig. 2, display panel
100 may also include other film layer structures, and the application is to this without specifically limiting.In addition, Fig. 2 and Fig. 4 are also only to pixel electricity
The structure and shape of pole 50 have carried out schematic property explanation, do not represent actual size.
It is specific to rise, incorporated by reference to Fig. 1 to Fig. 4, in display panel 100 provided by the embodiment of the present application, to being located at color film base
The angle of the absorption axiss of first polaroid 31 of the plate 20 far from 10 side of array substrate is adjusted, while to positioned at array base
The angle of absorption axiss of the plate 10 far from 20 side of color membrane substrates is also adjusted, and the two is made to be presented as not 0 deg and non-90 degree, and
The other angles being arranged to other than 0 ° and 90 °.Correspondingly, by the absorption axiss of the first polaroid 31 and the second polaroid 32
While angle improves, the application is also improved the structure of pixel electrode 50, refers to Fig. 4, in the application
Pixel electrode 50 includes first connecting portion 51 and the multiple strip branches 52 connecting respectively with first connecting portion 51, first connecting portion
51 extend in a second direction, and under visual angle shown in Fig. 4, first connecting portion 51 is located at the leftward position of each strip branch 52；Each item
Shape branch 52 is parallel to each other, and the angle between first connecting portion 51 meets 0 ° of 90 ° of < β <, so that 30 molecule of liquid crystal
Orientation direction both not 0 deg or non-90 degree.Therefore, based on the upper of the first polaroid 31, the second polaroid 32 and pixel point electrode 50
Design is stated, user is when using the display image of the polarization elements such as polarized sunglasses observation display panel 100, it is contemplated that polarisation is too
Positive mirror include with along horizontal direction or vertical direction transmission axis, and in the application the orientation direction of 30 molecule of liquid crystal and
The angle of the absorption axiss of first polaroid 31 and the second polaroid 32 is all different with above-mentioned horizontal direction and vertical direction, because
This, effectively avoids the occurrence of when wearing sunglasses display panel 100 under landscape/portrait (horizontal/vertical) mode
The case where blank screen.In addition, the application in display panel 100 without specially increasing sunglass POL, it is inclined to existing first
Mating plate 31 and the second polaroid 32 and pixel electrode 50 improve, and therefore, improve the display surface when wearing sunglasses
While the readability of plate 100, the production cost for saving display panel 100 and display device is also helped.
It should be noted that each strip branch 52 is to tilt upwards relative to first connecting portion 51 under visual angle shown in Fig. 4
, in addition to such implementation, in some other embodiments of the application, each strip branch 52 is relative to first connecting portion 51
It can also be and tilt down, this Shen without specifically limiting, such as refers to Fig. 5 to this, and Fig. 5 show the embodiment of the present application
Another structural schematic diagram of provided pixel electrode 50.
Optionally, the absorption axiss angle of the first polaroid 31 and the second polaroid 32 meets:
0 ° of 90 ° of 1 < of < α, α 2=α 1+90 °；
Alternatively, the absorption axiss angle of the first polaroid 31 and the second polaroid 32 meets:
0 ° of 90 ° of 2 < of < α, α 1=α 2+90 °.
It specifically, can be by the first polaroid 31 and the second polaroid in display panel 100 provided by the embodiment of the present application
The angles of the absorption axiss of any one in 32 is arranged between 0 ° to 90 °, and the angle of the absorption axiss of another one is then on this basis
Add 90 °.When passing through polaroid, the direction of vibration light parallel with polaroid absorption axiss will be absorbed natural light, only be remained through light
The lower direction of vibration polarised light vertical with polaroid absorption axiss.In the application, the first polaroid 31 is as the upper of display panel 100
Polaroid, down polaroid of second polaroid 32 as display panel 100, by the angle of upper polaroid and down polaroid absorption axiss
When being set as 90 ° of difference, the light beam that backlight generates is converted to polarised light by down polaroid, and upper polaroid is for parsing through liquid crystal
Polarised light after 30 electrical modulation generates comparison of light and shade, to generate display picture.Display panel provided by the embodiment of the present application
In 100, as 0 ° of 90 ° of 1 < of < α, α 2=α 1+90 °, alternatively, user is utilizing polarisation too when 0 ° of 90 ° of 2 < of < α, α 1=α 2+90 °
When the polarization elements such as positive mirror observe the display image of display panel 100, so that the angle of the transmission axis of polarized sunglasses and first
The angle of the absorption axiss of polaroid 31 and the second polaroid 32 is all different, therefore can improve the display surface when wearing sunglasses
The readability of plate 100.In addition, the application improves existing upper polaroid and down polaroid, without introducing newly
Sunglass POL, therefore also help the production cost for saving display panel 100.
Optionally, in display panel 100 provided by the embodiment of the present application, the first polaroid 31 and the second polaroid 32
Absorption axiss angle meets: 1≤60 ° of 30 °≤α, α 2=α 1+90 °；
Alternatively, the absorption axiss angle of the first polaroid 31 and the second polaroid 32 meets: 2≤60 ° of 30 °≤α, α 1=α 2+
90°。
Specifically, in display panel 100 provided by the embodiment of the present application, when the first polaroid 31 and the second polaroid 32
Absorption axiss angle meet 1≤60 ° of 30 °≤α, when α 2=α 1+90 °, the penetrance of display panel 100 will get a promotion,
When wearing the display image of sun sem observation display panel 100, the display picture under the position of rectangle is conventional compared to setting inclined
The display picture of mating plate will be more excellent.Similarly, when the absorption axiss angle of the first polaroid 31 and the second polaroid 32 meets 30 °≤α 2
≤ 60 °, when α 1=α 2+90 °, the penetrance of display panel 100 can also get a promotion, and wear sun sem observation display panel
When 100 display image, the display picture under the position of rectangle is more excellent compared to the display picture of setting conventional polarizers.
Optionally, in display panel 100 provided by the embodiment of the present application, the first polaroid 31 and the second polaroid 32
Absorption axiss angle meets:
α 1=45 °, α 2=135 °；Alternatively, α 2=45 °, α 1=135 °.
Specifically, the angle of the absorption axiss of the first polaroid 31 and the second polaroid 32 is set α 1 by the embodiment of the present application
=45 °, α 2=135 °；Alternatively, when α 2=45 °, α 1=135 °, compare conventional polarizers, i.e., absorption axiss be 0 °/90 ° scheme,
Its penetrance is able to ascend 7% or so, and when wearing sun sem observation display picture, in landscape/portrait
It is not in blank screen phenomenon under (horizontal/vertical) mode, while can also be lifted under the observation visual angle of rectangle position (such as 45 ° of views
Angle) display picture display effect.
Optionally, refer to Fig. 4 or Fig. 5, in display panel 100 provided by the embodiment of the present application, strip branch 52 with
Angle β between first connecting portion 51 meets: 20 ° of 70 ° of < β <.
Specifically, the application can by the angle between strip branch 52 and first connecting portion 51 be arranged 20 ° to 70 ° it
Between, incorporated by reference to Fig. 1, Fig. 4 and Fig. 5, the starting point of each strip branch 52 is equivalent to be converged in the position of first connecting portion 51, and first
Interconnecting piece 51 extends in a second direction, under visual angle shown in Fig. 1, Fig. 4 and Fig. 5, is equivalent to rising first connecting portion 51
Point meets at y-axis, and each strip branch 52 is 20 ° of 70 ° of < β < relative to the deflection angle of first connecting portion 51 on this basis,
So that the orientation direction of liquid crystal molecule with polarized sunglasses in the horizontal direction or the angle of the transmission axis of vertical direction differs
It is larger, display panel 100 is avoided the occurrence of when wearing sunglasses under landscape/portrait mode to be more advantageous to
There is the case where blank screen.
Optionally, in display panel 100 provided by the embodiment of the present application, between strip branch 52 and first connecting portion 51
Angle β meet: β=55 °.
It specifically, can be by the folder between strip branch 52 and first connecting portion 51 as a kind of optional way of the application
Angle is set as 55 °, accordingly, can also be respectively set to the angle of the absorption axiss of the first polaroid 31 and the second polaroid 32
45 ° and 135 °, enable to the penetrance of display panel 100 provided herein more excellent in this way, under oblique azimuthal viewing angle
The display effect of picture is more excellent, can either be lifted at the readability for wearing sun microscopic observation display panel 100, and can reduce aobvious
Show the production cost of panel 100.Certainly, in addition to setting 55 ° for the angle between each strip branch 52 and first connecting portion 51,
It may also be configured to other angles, such as 30 °, 45 °, 60 °, 65 °, 85 ° etc., be conducive to improve showing when wearing sunglasses
Show the readability of panel 100, while being conducive to save the production cost of display panel 100 and display device.
Optionally, in display panel 100 provided by the embodiment of the present application, the alignment direction of liquid crystal 30 and the first polaroid
31 or second polaroid 32 absorption axiss direction it is parallel.In general, the light source of liquid crystal display panel is provided by backlight module, but carry on the back
The radiation direction that optical mode group provides is inconsistent, radial, if such light passes through the torsion of liquid crystal molecule, Wo Men
What is seen on screen may be a piece of of vast expanse of whiteness, or colorful color lump.The second polaroid in the application is (under i.e.
Polaroid) it assumes responsibility for the direction of light specification into the work for being sent to liquid crystal layer after consistent again.Liquid crystal molecule is issued in TFT control
Raw torsion reaches and controls the consistent light in direction is well-illuminated, thus in the bright and dark light degree hair for leading to pixel unit below
Change is given birth to.Liquid crystal itself is without color, so generating various colors with colour filter.The consistent light in script direction have passed through liquid crystal
Become that direction is inconsistent again after the torsion of layer, so seeing before screen if the light in diffusion shape is not regular again
Be still a vast expanse of whiteness, do not embodied by the light that liquid crystal torsion has been crossed, thus must herein by diffused light into
Professional etiquette is whole, will pass through liquid crystal torsion using a piece of first polaroid (i.e. upper polaroid) orthogonal with the second polaroid polarization direction
Optical center re-start deflection, the light of different angle is different by the brightness of the first polaroid, so we can be in screen
The upper light and shade that can see replaces picture.The application is by the suction of the alignment direction of liquid crystal and the first polaroid 31 or the second polaroid 32
The direction for receiving axis is parallel, it can be ensured that after the collective effect of the first polaroid 31 and the second polaroid 32, leads to light smoothly
It crosses the first polaroid 31 and realizes the display of picture.
Optionally, Fig. 3 and Fig. 6 are referred to, wherein Fig. 6 is shown in display panel 100 provided by the embodiment of the present application
A kind of arrangement schematic diagram of sub-pixel unit 70, display panel 100 further include public electrode and multiple along first direction and second
The sub-pixel unit 70 of direction arrangement, pixel electrode layer 80 are located at side of the common electrode layer 60 far from underlay substrate 11；Each
Sub-pixel unit 70 includes a pixel electrode 50；
Array substrate 10 further includes array layer 40, and array layer 40 is located at common electrode layer 60 towards the one of underlay substrate 11
Side, array layer 40 includes multiple driving transistors 41, in same sub-pixel unit 70, drives the drain electrode and pixel of transistor 41
Electrode 50 corresponds electrical connection.
It should be noted that Fig. 6 only representatively illustrates a kind of arrangement mode of display panel sub-pixel unit, this is removed
Outside kind arrangement mode, sub-pixel unit can also be presented as other arrangement modes, arrangement mode of the application to sub-pixel unit
Without limiting.
Specifically, incorporated by reference to Fig. 3 and Fig. 6, the corresponding pixel electrode 50 of each sub-pixel unit 70, display panel 100
On further include the public electrode 61 being oppositely arranged with pixel electrode 50, in the embodiment, pixel electrode 50 and public electrode 61 are equal
In array substrate 10, and public electrode 61 is located at pixel electrode 50 towards the side of array layer 40；Due to driving transistor
41 drain electrode is electrically connected with pixel electrode 50, can provide voltage signal to pixel electrode 50 by driving transistor 41, public
Electrode 61 promotes liquid crystal 30 to occur partially for receiving public voltage signal, so that being formed between pixel electrode 50 and public electrode 61
The voltage turned, so that liquid crystal 30 deflects, light passes through liquid crystal 30 and realizes that picture is shown.
Optionally, Fig. 7 show another AA ' sectional view of display panel 100 provided by embodiment illustrated in fig. 1, asks
Referring to Fig. 7, display panel 100 further includes multiple fingerprint Identification sensor PIN, and fingerprint Identification sensor PIN is integrated in array layer
40；
Color membrane substrates 20 include black matrix layer 21, and black matrix layer 21 limits multiple pixel openings 73 and multiple fingerprint recognitions are opened
Mouthfuls 74, color blocking R/G/B is provided in pixel openings 73, and fingerprint recognition is open 74 and fingerprint Identification sensor PIN in underlay substrate
The orthographic projection of 11 place planes is overlapping.
In view of somatic fingerprint has uniqueness and indeformable, the safety of fingerprint recognition is stronger, occurs in the market more
Kind has the display device of fingerprint identification function, and user is before operating the display device with fingerprint identification function, it is only necessary to use
The fingerprint recognition mould group of finger touch display unit, so that it may carry out Authority Verification, simplify Authority Verification process.Existing band
There is a display device of fingerprint identification function, a kind of form is presented as that the lower fingerprint recognition of screen, i.e. fingerprint recognition mould group are located at display mould
Side of the group far from light-emitting surface will pass through all multiple film layer sides via the light for touching main body reflection during fingerprint recognition
It can enter fingerprint recognition mould group.Fig. 7 is referred to, shield lower fingerprint recognition to realize, in each sub-pixel of display panel 100
One fingerprint Identification sensor PIN is set at the area BM borehole and is used for fingerprint recognition, the light come out from backlight module is through R/G/B color blocking
Glass surface is projected, generation electrical signal then detects to refer to after being incident on fingerprint Identification sensor PIN by the light that finger reflects
Line information.But in the integrated display panel for shielding lower fingerprint identification function, it is not available sunglass POL, sunglass
POL is 1/4 wave plate, and reflected light warp is equivalent to later have passed through 1/2 wave plate, can make radiation direction that 90 ° of rotations occur, final big
Part reflected light is absorbed and cannot be introduced into fingerprint Identification sensor PIN, therefore the display panel for shielding lower fingerprint recognition can not be simultaneous
Hold sunglass POL, that is to say, that when wearing sunglasses, the display panel for shielding lower fingerprint identification function will appear
Blank screen under landscape/portrait mode.
To solve this above problem, the embodiment of the present application in the display panel 100 of fingerprint identification function, is led in the case where having screen
The angle for changing the absorption axiss of the first polaroid 31 and the second polaroid 32 is crossed, and adjusts the structure of pixel electrode 50, is improved
When wearing sunglasses under screen fingerprint recognition display panel 100 readability, avoid display panel 100landscape/
There is the phenomenon that blank screen in portrait mode, thus solves to have and shield to descend the display panel 100 of fingerprint identification function can not be simultaneous
The problem of holding sunglass POL.
Optionally, incorporated by reference to Fig. 7 and Fig. 8, wherein Fig. 8 is shown in display panel 100 provided by the embodiment of the present application
A kind of top view of one sub-pixel unit 70, the sub-pixel unit 70 include open region 71 and non-open region 72, pixel openings
73 are located at open region 71；Fingerprint recognition opening 74 is located at non-open region 72 in the orthographic projection of 11 place plane of underlay substrate.
Specifically, the fingerprint recognition opening 74 that fingerprint Identification sensor PIN is arranged is arranged in sub-pixel unit the application
Non- open region 72 in 70, is not take up the position of open region 71, so that display panel 100 is having fingerprint identification function
It also will not influence its aperture opening ratio simultaneously.
Based on the same inventive concept, the application also provides a kind of display device 200, refers to Fig. 9, and Fig. 9 show this Shen
Please display device provided by embodiment a kind of structural schematic diagram, which includes display panel 100, the display
Panel is display panel 100 provided by any of the above-described embodiment of the application.Display device provided by the embodiment of the present application
Embodiment can be found in the embodiment of above-mentioned display panel, and overlaps will not be repeated.Display device provided herein can be with
Are as follows: mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any having a display function
Products or components.
Through the foregoing embodiment it is found that display panel provided by the invention and display device, at least realizing following has
Beneficial effect:
Suction in display panel and display device provided by the embodiment of the present application, to the first polaroid and the second polaroid
The angle for receiving axis is improved, and making the angle of the absorption axiss of the first polaroid and the second polaroid is not 0 ° or 90 °, simultaneously
Cooperate the special construction design of pixel electrode, i.e. pixel electrode includes the first connecting portion extended in a second direction and is connected thereto
Multiple strip branches, each strip branch is parallel to each other and angle between first connecting portion is 0 ° of 90 ° of < β <.Due to inclined
Light sunglasses is generally included with the polarization element through axis along horizontal direction or vertical direction, and the application is by display surface
The angle of the absorption axiss of the first polaroid and the second polaroid is adjusted to not 0 deg and non-90 degree in plate, in conjunction with the upper of pixel electrode
Special construction design is stated effectively to avoid the occurrence of when observing the screen of display panel in the case where wearing polarized sunglasses
Under landscape/portrait (horizontal/vertical) mode the case where blank screen, and without specially increasing in display panel
Sunglass POL, therefore, improvement while the readability of display panel, also help saving display surface when wearing sunglasses
The production cost of plate and display device.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, 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 embodiments.This hair
Bright range is defined by the following claims.
Claims (11)
1. a kind of display panel characterized by comprising
The color membrane substrates and array substrate that are oppositely arranged and the liquid being filled between the color membrane substrates and the array substrate
It is brilliant；
First polaroid, the side positioned at the color membrane substrates far from the array substrate；
Second polaroid, the side positioned at the array substrate far from the color membrane substrates；
The absorption axiss angle of first polaroid is α 1, and the absorption axiss angle of second polaroid is α 2, wherein α 1 ≠
0 °, 1 ≠ 90 ° of α, and, 2 ≠ 0 ° of α, 2 ≠ 90 ° of α；
The array substrate includes underlay substrate and the pixel electrode positioned at the underlay substrate towards the color membrane substrates side
Layer；The pixel electrode layer includes multiple pixel electrodes arranged along first direction and second direction；
Multiple strips point that each pixel electrode includes first connecting portion and connect and be parallel to each other with the first connecting portion
Branch, the first connecting portion extends along the second direction, and multiple strip branches are along the first direction positioned at described the
The same side of one interconnecting piece；Angle between the strip branch and the first connecting portion is β, 0 ° of 90 ° of < β <；Described
Intersect with the second direction in one direction.
2. display panel according to claim 1, which is characterized in that first polaroid and second polaroid
Absorption axiss angle meets: 0 ° of 90 ° of 1 < of < α, α 2=α 1+90 °；
Alternatively, the absorption axiss angle of first polaroid and second polaroid meets:
0 ° of 90 ° of 2 < of < α, α 1=α 2+90 °.
3. display panel according to claim 2, which is characterized in that first polaroid and second polaroid
Absorption axiss angle meets: 1≤60 ° of 30 °≤α, α 2=α 1+90 °；
Alternatively, the absorption axiss angle of first polaroid and second polaroid meets: 2≤60 ° of 30 °≤α, α 1=α 2+
90°。
4. display panel according to claim 3, which is characterized in that first polaroid and second polaroid
Absorption axiss angle meets: α 1=45 °, α 2=135 °；Alternatively, α 2=45 °, α 1=135 °.
5. display panel according to claim 1, which is characterized in that between the strip branch and the first connecting portion
Angle β meet: 20 ° of 70 ° of < β <.
6. display panel according to claim 5, which is characterized in that between the strip branch and the first connecting portion
Angle β meet: β=55 °.
7. display panel according to claim 1, which is characterized in that
The alignment direction of the liquid crystal is parallel with the direction of absorption axiss of first polaroid or second polaroid.
8. display panel according to claim 1, which is characterized in that the display panel further includes public electrode and multiple
The sub-pixel unit arranged along the first direction and the second direction, the pixel electrode layer are located at the common electrode layer
Side far from the underlay substrate；Each sub-pixel unit includes a pixel electrode；
The array substrate further includes array layer, and the array layer is located at the common electrode layer towards the one of the underlay substrate
Side, the array layer includes multiple driving transistors, in the same sub-pixel unit, it is described driving transistor drain electrode with
The pixel electrode corresponds electrical connection.
9. display panel according to claim 8, which is characterized in that the display panel further includes that multiple fingerprint recognitions pass
Sensor, the fingerprint Identification sensor are integrated in the array layer；
The color membrane substrates include black matrix layer, and the black matrix layer limits multiple pixel openings and multiple fingerprint recognitions opening,
Color blocking is provided in the pixel openings, the fingerprint recognition opening and the fingerprint Identification sensor are in the underlay substrate institute
It is overlapping in the orthographic projection of plane.
10. display panel according to claim 9, which is characterized in that the sub-pixel unit includes open region and Fei Kai
Mouth region, the pixel openings are located at the open region；Positive throwing of the fingerprint recognition opening in plane where the underlay substrate
Shadow is located at the non-open region.
11. a kind of display device, which is characterized in that any display panel including claim 1-10.
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| CN201910543166.0A CN110376803A (en) | 2019-06-21 | 2019-06-21 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543166.0A CN110376803A (en) | 2019-06-21 | 2019-06-21 | Display panel and display device |
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| CN110376803A true CN110376803A (en) | 2019-10-25 |
Family
ID=68250617
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| CN201910543166.0A Pending CN110376803A (en) | 2019-06-21 | 2019-06-21 | Display panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021232986A1 (en) * | 2020-05-19 | 2021-11-25 | 京东方科技集团股份有限公司 | Pixel electrode, pixel structure, display panel and display device |
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