CN108375850A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108375850A CN108375850A CN201810147128.9A CN201810147128A CN108375850A CN 108375850 A CN108375850 A CN 108375850A CN 201810147128 A CN201810147128 A CN 201810147128A CN 108375850 A CN108375850 A CN 108375850A
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- 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
- G02F1/133512—Light shielding layers, e.g. black matrix
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Abstract
The invention discloses a kind of display panel and display devices.Display panel, including：The crooked end extended in a first direction；Display panel includes the array substrate being oppositely arranged and color membrane substrates；Color membrane substrates include black matrix, display panel is divided into multiple sub-pixels by black matrix, and black matrix includes multiple bar elements extended in a first direction, and bar element includes the first bar element, the second bar element, third bar element to N bar elements, wherein N is positive integer, and N >=3；Crooked end has the edge that extends in a first direction, in crooked end, on the direction by the viewing area points toward edge of display panel, the first bar element, the second bar element to N bar elements width gradually increase.The black matrix of crooked end of the present invention changes in regularity, and at least there are three types of bar element of different size, and crooked end is not in light leakage phenomena when showing.
Description
Technical field
The present invention relates to display technology fields, more particularly, to a kind of display panel and display device.
Background technology
As user promotes display device design sense and the requirement of user experience, Curved screen is increasingly becoming chasing for manufacturer
Hot spot.At present in curved surface screen products, mainly there is an organic light emission Curved screen, and liquid crystal Curved screen relative scarcity, current major panel
Manufacturer has also fallen over each other to research and develop liquid crystal Curved screen.But liquid crystal Curved screen technological development faces lot of challenges.
Liquid crystal display panel includes array substrate, color membrane substrates, the liquid crystal layer between array substrate and color membrane substrates.
Sub-pixel is limited by the black matrix being arranged on color membrane substrates in liquid crystal display panel.In the prior art, LCD display
After plate benging, in surface location because array substrate is different with the bending radius of color membrane substrates, array substrate and color membrane substrates meeting
Dislocation occurs, causes the pixel region on the pixel region and color membrane substrates in array substrate to align and generates offset, and then cause to show
There is light leakage phenomena in panel surface location.
Therefore it provides a kind of display panel and display device, it is that this field urgently solves to solve light leakage phenomena when curved-surface display
Certainly the problem of.
Invention content
In view of this, the present invention provides a kind of display panel and display device, light leakage phenomena when solving curved-surface display
The technical issues of.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of display panel, including：The bending extended in a first direction
End；
Display panel includes the array substrate being oppositely arranged and color membrane substrates；
Color membrane substrates include black matrix, and display panel is divided into multiple sub-pixels by black matrix, and black matrix includes multiple edges
The bar element that first direction extends, bar element include the first bar element, the second bar element, third bar element to the
N bar elements, wherein N are positive integer, and N >=3；
Crooked end has the edge extended in a first direction, in crooked end, is directed toward by the viewing area of display panel
On the direction at edge, the first bar element, the second bar element to N bar elements width gradually increase.
Further, in order to solve the above-mentioned technical problem, the present invention proposes a kind of display device, including proposed by the present invention
Any one display panel.
Compared with prior art, display panel of the invention and display device realize following advantageous effect：
The present invention carries out special design to the black matrix positioned at crooked end on color membrane substrates, is bent along crooked end
Direction on, the width of electrode strip becomes larger in black matrix, the present invention in crooked end black matrix in regularity change, and
At least there are three types of bar element of different size, it ensure that the width of black matrix being capable of compensated array substrate and color membrane substrates successively
The dislocation generated when bending ensure that black matrix blocks emergent ray, should be emitted in the open region of each sub-pixel
Light will not be emitted from the open region of adjacent sub-pixel, and crooked end is not in light leakage phenomena when showing.Also, the present invention
In adjustment is designed to the black matrix for being located at crooked end in color membrane substrates, when making black matrix using etching technics making,
The shape of adjustment mask plate appropriate can complete the production, and technique is relatively easy.
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 flat display panel schematic cross-section in the related technology；
Fig. 2 is schematic cross-section after display panel bending in Fig. 1；
Fig. 3 is flat display panel pixel light extraction schematic diagram shown in FIG. 1；
Fig. 4 is curved face display panel pixel light extraction schematic diagram shown in Fig. 2；
Fig. 5 is the color membrane substrates and array substrate dislocation schematic diagram of display panel crooked position；
Fig. 6 is a kind of optional embodiment schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 7 is the film layer structure schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 8 is display panel flat schematic top plan view provided by the invention；
Fig. 9 is the schematic cross-section of crooked end at the positions tangent line Q1 in Fig. 8；
Figure 10 is a kind of optional embodiment schematic diagram of the crooked end of display panel；
Figure 11 is a kind of optional embodiment schematic top plan view of the crooked end of display panel provided by the invention；
Figure 12 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Figure 13 is that electrode strip number and sub-pixel penetrate rate dependence change schematic diagram in pixel electrode；
Figure 14 is the penetrance phase of the distance between the width of electrode strip and adjacent electrode item with sub-pixel in pixel electrode
Closing property change schematic diagram；
Figure 15 is a kind of optional embodiment schematic cross-section of display panel provided in an embodiment of the present invention；
Figure 16 is another optional embodiment schematic cross-section of display panel provided in an embodiment of the present invention；
Figure 17 is display device schematic diagram 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.
When conventional plate type hydraulic LCD panel (namely display panel that the display surface of display panel is plane) makes,
Array substrate and color membrane substrates are produced first, the fitting of array substrate and color membrane substrates are then carried out, finally in array substrate
Liquid crystal molecule is poured between color membrane substrates.Electric field is formed by applying voltage on pixel electrode and public electrode, controls liquid
The deflection of brilliant molecule to control the transmitance of light, and then realizes the display of display panel.
Fig. 1 is flat display panel schematic cross-section in the related technology, as shown in Figure 1, array substrate 101 ' and color film
The length of substrate 102 ' is identical, and left and right flushes, and array substrate 101 ' and the contraposition of color membrane substrates 102 ' are accurate.Fig. 2 is to be shown in Fig. 1
Schematic cross-section after panel bending, as shown in Fig. 2, in the display panel of curved-surface display, array substrate 101 ' and color membrane substrates
102 ' are stacked, and due to bending radius after bending difference, position is will produce between array substrate 101 ' and color membrane substrates 102 '
It is wrong.It is assumed that existing be superimposed there are two substrate, left and right ends alignment, the length of two substrates is identical and has certain thickness,
After two substrates are bent simultaneously at this time, necessarily cause left and right ends that cannot be aligned.It is generated after array substrate and color membrane substrates bending
The reason of dislocation is identical with this.
Color membrane substrates include black matrix in display panel, and display panel is divided into multiple sub-pixels, color film base by black matrix
Further include color blocking on plate, such as red resistance, green group, blue group or white resistance, a sub-pixel include a color blocking, backlight
Light realizes colored display through the color blocking of different colours.Sub-pixel, corresponding array are limited by black matrix on color membrane substrates
Metal routing is all disposed within cabling below black matrix on substrate.Fig. 3 is flat display panel pixel light extraction signal shown in FIG. 1
Figure.As shown in figure 3, color membrane substrates 102 ' are gone up, 1022 ' region of black matrix is opaque, and the region between black matrix 1022 ' is
The transparent area Z ' of sub-pixel, the upper same transmission region Z ' including sub-pixel of array substrate 101 ' and opaque area, array substrate
Light tight region on 1021 ' is usually provided with various metal routing M ', and light realizes display panel from transmission region Z ' outgoing
Display.In flat display panel, the transparent area on transparent area and array substrate 101 ' on color membrane substrates 102 ' is opposite
It answers, wherein being additionally provided with layer of liquid crystal molecule 103 ' between array substrate 101 ' and color membrane substrates 102 '.Fig. 4 is shown in Fig. 2
Curved face display panel pixel light extraction schematic diagram.As shown in figure 4, being provided with liquid between array substrate 101 ' and color membrane substrates 102 '
Brilliant molecular layer 103 ' should penetrate the saturating of sub-pixel due to generating dislocation between array substrate 101 ' and color membrane substrates 102 '
The light of light area Z1 ' outgoing, may be from the transparent area Z2 ' outgoing of the sub-pixel beside it, when the sub-pixel at the places transparent area Z2 '
When this is as dark-state, the appearance of light leakage phenomena is had led to.
Based on problem present in the relevant technologies, inventor it has furthermore been found that in the display panel with curved-surface display,
There is certain rule in color membrane substrates and array substrate dislocation after bending.Fig. 5 is the color film base of display panel crooked position
Plate and array substrate dislocation schematic diagram, as shown in figure 5, only showing schematically the black matrix 1021 on color membrane substrates 102, also
The metal wire M (namely light tight region in array substrate) being located in array substrate 101 under black matrix 1021.Invention human hair
It is existing, when one end alignment for ensureing color membrane substrates 102 and array substrate 101, then to one end of color membrane substrates and array substrate into
When row bending, it is directed toward in the edge direction of bending by one end that color membrane substrates 102 and array substrate 101 flush, namely along Fig. 5
On the directions x, black matrix 1021 on color membrane substrates 102 and it should be staggered between the metal wire M below black matrix 1021
Distance d becomes larger.Based on above-mentioned discovery, inventor is designed the display panel with curved-surface display, solves
The light leakage phenomena that curved-surface display is generated due to array substrate and color membrane substrates dislocation.
Fig. 6 is a kind of optional embodiment schematic top plan view of display panel provided in an embodiment of the present invention, and Fig. 7 is the present invention
The film layer structure schematic diagram for the display panel that embodiment provides.Fig. 8 is that display panel flat provided by the invention vertical view is shown
It is intended to.Fig. 9 is the schematic cross-section of crooked end at the positions tangent line Q1 in Fig. 8.
As shown in fig. 6, display panel includes the crooked end extended in a first direction, Fig. 6 illustrates that display panel includes
Two crooked end D, crooked end D extend along first direction a.It should be noted that first direction a is to be bent in display panel
The extending direction of end D is not the bending direction of crooked end D.Optional display panel can also include a crooked end
D.Fig. 6 only carries out exemplary representation with a kind of optional situation.Shown in Fig. 7, display panel includes being oppositely arranged
Array substrate 101 and color membrane substrates 102；Layer of liquid crystal molecule 103 is additionally provided between array substrate and color membrane substrates.Usual feelings
Under condition, color membrane substrates closer to display panel display surface, it can be seen that being watched by the display surface of display panel, color film in Fig. 7
Substrate 102 and array substrate 101 are in convex curved, and Fig. 7 is only a kind of optional situation of the present invention.The present disclosure applies equally to by
The display surface viewing of display panel, color membrane substrates and array substrate are in the display panel of concave bending.
Shown in Fig. 8, crooked end D sheets are as curved-surface display in the present invention, in fig. 8 in order to clearly illustrate
Go out technical scheme of the present invention, crooked end D signals are shown at plane.As shown in figure 8, display panel includes black matrix BM,
Black matrix BM is located at color membrane substrates namely color membrane substrates include black matrix BM, and display panel is divided into multiple sons by black matrix BM
Pixel sp.Exactly display panel should include viewing area AA and non-display area BA, and black matrix BM and sub-pixel sp are all located at
Viewing area AA, Fig. 8 are only the shapes for schematically showing viewing area AA and non-display area BA.Black matrix BM includes multiple along first party
The bar element 104 extended to a, bar element 104 include the first bar element 1041, the second bar element 1042, Article 3
Shape unit 1043 is to N bar element 104N, and wherein N is positive integer, and N >=3；Crooked end D has to be extended along first direction a
Edge Y, in crooked end D, on the direction b by the viewing area AA points toward edges Y of display panel, namely along crooked end D
Bending direction on, the first bar element 1041, the second bar element 1042 to N bar elements 104N width gradually increase
Greatly, the black matrix of crooked end changes in regularity in the present invention, and, at least there are three types of bar elements of different size.
Only it is to illustrate in crooked end to include the first bar element 1041, the second bar element 1042, Article 3 in Fig. 8
Shape unit 1043, in actual product, the size of sub-pixel sp is very small, should include many along first party in crooked end D
Three kinds of bar elements are only shown to the bar element of extension, in Fig. 8, indicate to be directed toward crooked end by the viewing area of display panel
On the direction at edge, the width d1 of the first bar element 1041, the width d2 of the second bar element 1042, third bar element
1043 width d3 becomes larger, and strip in crooked end can be designed according to the size of specific crooked end in actual product
The number of unit.
Shown in Fig. 9, in the sectional view of the crooked end of display panel provided by the invention as can be seen that curved
On D in the portion of curved end, the direction b by the viewing area AA points toward edges Y of display panel, the first bar element 1041, the second strip list
First 1042, the width of third bar element 1043 becomes larger, and the light that should be emitted in sub-pixel open region K1 will not slave phase
The open region K2 outgoing of adjacent sub-pixel, wherein open region is the transparent area of sub-pixel.
In display panel provided by the invention, display panel includes crooked end, and the black matrix of display panel includes along
The bar element that one direction extends, bar element includes the first bar element, the second bar element to N bar elements, by showing
Show on the direction at the edge that the viewing area direction crooked end of panel extends in a first direction (namely along the side that crooked end is bent
Upwards), the first bar element, the second bar element to N bar elements width become larger.Due to array in display panel
Substrate and color membrane substrates form dislocation in bending, and the present invention carries out the black matrix positioned at crooked end on color membrane substrates special
Different design, along the direction of crooked end bending, the width of electrode strip becomes larger in black matrix, crooked end in the present invention
Black matrix change in regularity, and at least there are three types of bar element of different size, ensure that the width of black matrix can be according to
The dislocation that secondary compensated array substrate and color membrane substrates generate when being bent, ensure that black matrix blocks emergent ray, Ben Ying
The light of the open region outgoing of each sub-pixel will not be emitted from the open region of adjacent sub-pixel, and crooked end will not when showing
There is light leakage phenomena.Also, adjustment is designed to the black matrix for being located at crooked end in color membrane substrates in the present invention, when making
Black matrix is made of etching technics, and the shape of adjustment mask plate appropriate can complete the production, and technique is relatively easy.
It should be noted that in the present invention, number, the number of the second bar element to N strips to the first bar element
The number of unit does not limit, can be designed in practice according to specific product and concrete technology.
When the black matrix for being located at crooked end on to color membrane substrates is designed, crooked end can be adjusted simultaneously
The width of interior sub-pixel open region ensure that black matrix blocks emergent ray, prevent to adapt to the width of bar element
Sub-pixel light leakage phenomena.Such as the width of the open region of sub-pixel can be set and tapered into.Figure 10 is the bending of display panel
In crooked end, side is directed toward by the viewing area of display panel as shown in Figure 10 for a kind of optional embodiment schematic diagram of end
On the direction b of edge Y, the first bar element 1041, the second bar element 1042, third bar element 1043 width gradually become
Greatly, meanwhile, the width d of the open region (namely transparent area of sub-pixel) of sub-pixelkIt tapers into, black matrix can be to emergent light
Line blocks, and prevents sub-pixel light leakage phenomena.
In addition, in another display panel provided in an embodiment of the present invention, shown in Fig. 8, in crooked end D
Interior, on the direction b by the viewing area AA points toward edges Y of display panel, the open region K's of each sub-pixel sp is of same size.It should
Embodiment is arranged in crooked end, each height while the width for adjusting black matrix in crooked end prevents light leakage phenomena
The open region of pixel it is of same size, the brightness to ensure the open region of each sub-pixel is consistent, reduces open region size
Influence to display brightness.This kind of embodiment not only solves the light leakage phenomena of crooked end, and avoids in curved end
In portion, it is directed toward by viewing area in the edge direction of crooked end, the width of the open region of sub-pixel tapers into, then can lead to son
The problem of brightness of pixel is gradually lower, is unfavorable for display effect.
In some alternative embodiments, the viewing area in crooked end include extend in a first direction it is multiple
Subregion, each in multiple subregions includes at least one bar element；In crooked end, referred to by the viewing area of display panel
On extrorse direction, multiple subregions include the first subregion, the second subregion, third subregion to N subregions successively, wherein the M articles
Shape unit is located at M subregions, wherein M is positive integer, and M≤N.If the display of crooked end can be divided into the present invention
Dry subregion, does not limit the number of subregion, does not also limit the number of bar element in each subregion, the first strip list
Member be located at the first subregion, the second bar element is located at the second subregion, third bar element is located at third subregion, and so on, i.e.,
In a subregion include multiple bar elements when, these bar elements it is of same size.
Figure 11 is a kind of optional embodiment schematic top plan view of the crooked end of display panel provided by the invention, is such as schemed
Shown in 11, only includes one only the viewing area of crooked end is divided into 5 subregions, in each subregion and prolong along first direction
For the bar element for stretching a.In crooked end, on the direction b by the viewing area points toward edge of display panel, the first strip list
Member 1041 be located at the first subregion Z1, the second bar element 1042 is located at the second subregion Z2, third bar element 1043 is located at third
Subregion Z3, Article 4 shape unit 1044 are located at the 4th subregion Z4, and Article 5 shape unit 1045 is located at the 5th subregion Z5.According to Fig. 9
Schematic illustration in corresponding embodiment, the black matrix that crooked end is arranged in of the invention change in regularity, and at least
Three kinds of bar elements of different size ensure that the width of black matrix can be when compensated array substrate and color membrane substrates be bent successively
The dislocation of generation ensure that black matrix blocks emergent ray.Meanwhile the viewing area subregion of crooked end being set in the present invention
It sets, the number of bar element can be different in the subregion that bar element is of same size and different in each subregion, actual product
Strip list in the number and subregion of subregion can be designed when making according to the Curvature varying of crooked end and the size of crooked end
The number of member, increases the degree of freedom designed black matrix.It is equivalent to the width of bar element in packet design black matrix simultaneously,
Simplify the design of the mask plate shape of etching black matrix.
In some alternative embodiments, the sub-pixel of display panel may be lined up neat unlike described in Figure 11
Array, Figure 12 are another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention, as shown in figure 12, are shown
Show panel sub-pixel sp in being staggered, the design of crooked end with the invention belongs to the same inventive concepts, but need into
The special explanation of row, in the embodiment, and the invention belongs to the design rules of the same inventive concept, black matrix to be embodied in picture
In plain row, in crooked end D, black matrix includes multiple bar elements 104 extended along first direction a, the edges multiple sub-pixel sp
First direction a arrangement form pixel column sph, display panel includes multiple pixel column sph, in a pixel column sph, by showing
Area be directed toward crooked end edge direction b on, bar element include the first bar element 1041, the second bar element 1042,
Third bar element 1043 and Article 4 shape unit 1044.According to the schematic illustration in the corresponding embodiments of Fig. 9, in of the invention
The black matrix that crooked end is arranged changes in regularity, and at least there are three types of bar elements of different size, ensure that each
In a pixel column, the dislocation that the width of black matrix can generate when compensated array substrate and color membrane substrates are bent successively ensure that
Black matrix blocks emergent ray, avoids crooked end light leakage phenomena.It should be noted that in Figure 12 bar element
Number is only schematically shown.Mentality of designing for carrying out subregion in Figure 11 to the viewing area of crooked end is applied equally to figure
In display panel shown in 12.
Optionally, as an alternative embodiment, designing the first bar element in crooked end in display panel
Number, the number all same of the number of the second bar element, the number of third bar element to N bar elements.Black matrix
The dislocation that the design of middle bar element can generate when compensated array substrate and color membrane substrates are bent successively, ensure that black matrix pair
Emergent ray blocks, and avoids crooked end light leakage phenomena.
Further, subregion further includes the sub-pixel adjacent with bar element, and the brightness of the sub-pixel in subregion is consistent.After
Further include the sub-pixel sp adjacent with bar element in each subregion shown in continuous reference chart 11, the sub-pixel sp's in subregion is bright
Degree is consistent.When the embodiment ensure that display panel display inside each subregion display brightness it is uniform.
In some alternative embodiments, in display panel provided by the invention, sub-pixel arranges shape along first direction
Pixel arranges, and in crooked end, subregion further includes at least one pixel column, in a subregion, the number and item of pixel column
The number of shape unit is equal.It is only schematically shown by taking crooked end shown in Figure 11 as an example, sub-pixel sp is along first direction a
Arrangement form pixel column spl, such as including a pixel column spl and second bar element 1042 in the second subregion Z2.
Display panel sub-pixel includes open region, accurately says that the sub-pixel in display panel includes open region and part
Black matrix.The aperture opening ratio of display panel sub-pixel is accounting of the area of open region in the sub-pixel gross area.Wherein, sub- picture
The gross area of element is the sum of the area of black matrix of open region area and encirclement open region.The aperture opening ratio of sub-pixel is got over for routine
Greatly, the brightness of sub-pixel is bigger.In order to solve display panel crooked end due to array substrate and color membrane substrates position in the present invention
The leakage problem that mistake generates designs in crooked end, and the edge of crooked end extended in a first direction is directed toward by viewing area
On direction, the width of black matrix becomes larger, and such design, which is equivalent to, to be caused in crooked end, is directed toward and is bent by viewing area
On the direction at the edge of end extended in a first direction, the aperture opening ratio of sub-pixel tapers into, then can visually feel curved
The brightness of curved end portion continuously decreases.Namely in crooked end viewing area unit area brightness disproportionation one, and referred to by viewing area
To on the direction at the edge of crooked end extended in a first direction, unit area brightness tapers into, and then inventor is into one
Step thinking solves in crooked end, one problem of unit area brightness disproportionation of viewing area.
In some alternative embodiments, include more by the viewing area of crooked end in display panel provided by the invention
A subregion, subregion include the first subregion, the second subregion to N subregions；The black matrix of display panel includes multiple along first direction
The bar element of extension, bar element include the first bar element, the second bar element to N bar elements, wherein the M articles
Shape unit is located in M subregions, M≤N, N >=3.In crooked end, by the direction of the viewing area points toward edge of display panel
On, the first bar element, the second bar element to N bar elements width become larger, sub-pixel is bright in the first subregion
The brightness of sub-pixel becomes larger in the brightness to N subregions of sub-pixel in degree, the second subregion.It is provided in an embodiment of the present invention aobvious
Show that the schematic top plan view of the crooked end of panel can be with shown in reference chart 11.In the embodiment, the item in crooked end is set
The width of shape unit becomes larger, and at least there are three types of bar element of different size, ensure that the width of black matrix can be according to
The dislocation that secondary compensated array substrate and color membrane substrates generate when being bent, ensure that black matrix blocks emergent ray, avoids
There is light leakage phenomena in crooked end.Meanwhile be arranged the brightness of sub-pixel in the first subregion, in the second subregion sub-pixel brightness extremely
The brightness of sub-pixel becomes larger in N subregions, and compensate for leads to viewing area unit since the aperture opening ratio of sub-pixel tapers into
The phenomenon that area brightness is gradually lower ensure that the unit area brightness of viewing area in crooked end is uniform, improve display surface
Visual effect when plate is shown.
Tapered into order to compensate for the aperture opening ratio due to sub-pixel in crooked end cause viewing area unit area brightness by
The low phenomenon of gradual change designs the brightness of sub-pixel in the first subregion, sub- picture in the brightness to N subregions of sub-pixel in the second subregion
The brightness of element becomes larger, and inventor provides the brightness of sub-pixel in a variety of mentality of designing adjustment subregions.
In some alternative embodiments, sub-pixel includes pixel electrode, and pixel electrode includes at least one electrode strip；
By adjusting the number of electrode strip, make the brightness of sub-pixel in the first subregion, in the second subregion sub-pixel brightness to N subregions
The brightness of interior sub-pixel becomes larger.The embodiment will be illustrated below.
It is illustrated by taking the first subregion and the second subregion as an example and how to adjust electrode strip number and to show in crooked end
The brightness of the unit area in area is uniform.In the present invention, the first bar element is located at the first subregion, and the second bar element is located at second
Subregion can be obtained by the discussion of the calculation of the above-mentioned aperture opening ratio to sub-pixel, since the width of the second bar element is more than
The width of first bar element, then in the second subregion sub-pixel aperture opening ratio be less than the first subregion in sub-pixel aperture opening ratio,
And then unit area brightness is less than unit area brightness in the first subregion in the second subregion.In order to enable unit area brightness is equal
One, the brightness for increasing unit area in the second subregion is needed, namely need to increase the brightness of sub-pixel in the second subregion.
Figure 13 is that electrode strip number and sub-pixel penetrate rate dependence change schematic diagram in pixel electrode.Such as Figure 13 institutes
Show, abscissa is electrode strip number n, and ordinate is the penetrance Tr of sub-pixel.As electrode strip number gradually increases, sub-pixel
Penetrance first increases and then decreases.
It is assumed that the number of electrode strip is 1 before not adjusting in sub-pixel in the first subregion and the second subregion, then may be used
By the number for increasing the electrode strip of sub-pixel in the second subregion, to increase the intensity of sub-pixel internal electric field, and then to increase son
The penetrance of light in pixel, to increase the brightness of sub-pixel so that the brightness of sub-pixel is more than the first subregion in the second subregion
The brightness of interior sub-pixel, and then can realize unit area brightness and one of unit area brightness in the first subregion in the second subregion
It causes.And assume that the number of electrode strip in sub-pixel in the first subregion and the second subregion is 3 before not adjusting, corresponding diagram 13
In changing rule figure, may only by adjusting electrode strip in the second subregion number, cannot realize increase the second subregion in
The purpose of the brightness of sub-pixel.It needs at this time further by between the width and electrode strip of electrode strip in adjustment sub-pixel
Distance to realize the influence to sub-pixel electric field intensity inside high, and then realizes the penetrance for improving sub-pixel.
A sub-pixel open region size is fixed it should be noted that Figure 13 is only inventor, is obtained by experiment
Universal law.In sub-pixel open region when size difference, the number of the corresponding electrode strip of penetrance peak may not
Unanimously.The example above illustrates only to be to provide a kind of mentality of designing of pixel electrode, is not limitation of the invention.It is envisioned that
In practice for a sub-pixel, when open region size is fixed, change the electrode strip in the pixel electrode of sub-pixel
Number, ensure electrode strip width it is constant when, adjacent the distance between electrode strip will necessarily be influenced；If desired adjacent
The distance between electrode strip is constant, will necessarily also influence the width of single electrode item.
It further, in some alternative embodiments, can be by adjusting the width and adjacent electrode item of electrode strip
The distance between, make the brightness of sub-pixel in the first subregion, sub-pixel in the brightness to N subregions of sub-pixel in the second subregion
Brightness becomes larger.Still the width for how adjusting electrode strip and adjacent electricity are illustrated by taking the first subregion and the second subregion as an example
The distance between pole item so that the brightness of the unit area of viewing area is uniform in crooked end.
Figure 14 is the penetrance phase of the distance between the width of electrode strip and adjacent electrode item with sub-pixel in pixel electrode
Closing property change schematic diagram.As shown in figure 14, abscissa is the variation of the distance between width W and the adjacent electrode item of electrode strip S
Situation, wherein W+S is a fixed value 2A.Ordinate is the penetrance Tr of sub-pixel.It is assumed that in the present invention, it is not being adjusted
Before, electrode strip width W is A-1.4 in sub-pixel in the first subregion and the second subregion, and the distance between adjacent electrode item S is A+
1.4.In order to increase the brightness of sub-pixel in the second subregion, can increase electrode strip width W appropriate, while reducing phase accordingly
The distance between adjacent electrode strip S, such as select W for A-0.6, S A+0.6.The pixel that the variation of electrode strip also influences
The electric field strength of electrode, and then influence the penetrance of sub-pixel.It is assumed that before not adjusting, it is sub in the first subregion and the second subregion
Electrode strip width W is A when the penetrance of pixel is the peak of correlation variation namely in Figure 14, and between adjacent electrode item
Distance S when being A, cannot be merely by adjusting the distance between electrode strip width W and adjacent electrode item S, to realize increase the
The brightness of sub-pixel in two subregions may need further to carry to realize by the number of electrode strip in adjustment sub-pixel at this time
The penetrance of high sub-pixel.
A sub-pixel open region size, while fixed pixel are fixed it should be noted that Figure 14 is only inventor
The number of electrode strip in electrode, by testing the universal law obtained.In sub-pixel open region when size difference, pixel electricity
The number of extremely middle electrode strip, the distance between width and adjacent electrode item of the corresponding electrode strip of penetrance peak may differ
It causes.The example above illustrates only to be to provide a kind of mentality of designing of pixel electrode, is not limitation of the invention.
It has been recognised by the inventors that in the pixel electrode of sub-pixel, the number of electrode strip, the width and adjacent electrode item of electrode strip it
Between distance, influence of these factors to sub-pixel penetrance be mutually related in some cases, can in actual product
To consider various factors condition, be adjusted by above-mentioned mentality of designing so that in the present invention in the first subregion sub-pixel it is bright
The brightness of sub-pixel becomes larger in the brightness to N subregions of sub-pixel in degree, the second subregion, and then realizes that crooked end is shown
The brightness of unit area is uniform in area.
In some alternative embodiments, Figure 15 is a kind of optional implementation of display panel provided in an embodiment of the present invention
Mode schematic cross-section.As shown in figure 15, display panel includes two crooked end D, and two crooked end D are connected, Tu15Wei
Rough schematic view does not show that other concrete structures such as color membrane substrates in display panel, array substrate.Two crooked end D are equal
From the O points in viewing area to two lateral bends, wherein the radius of curvature of two crooked end D may be the same or different.
The design of black matrix and sub-pixel can be any one mode in above-described embodiment in two crooked end D, and the present invention provides
Display panel, black matrix changes in regularity in crooked end, and at least there are three types of bar elements of different size, ensure that
The dislocation that the width of black matrix can generate when compensated array substrate and color membrane substrates are bent successively, ensure that black matrix to outgoing
Light blocks, and crooked end is not in light leakage phenomena when showing.
In some alternative embodiments, Figure 16 is the optional reality of another kind of display panel provided in an embodiment of the present invention
Apply mode schematic cross-section.As shown in figure 16, display panel includes a two crooked end D and flat part P, flat part P
Between two crooked end D.Figure 16 is rough schematic view, do not show that color membrane substrates in display panel, array substrate etc. its
His concrete structure.The embodiment provide display panel, ensure that black matrix width can successively compensated array substrate and
The dislocation that color membrane substrates generate when being bent, ensure that black matrix blocks emergent ray, and crooked end is not in when showing
Light leakage phenomena.
The present invention also provides a kind of display device, Figure 17 is display device schematic diagram provided in an embodiment of the present invention, this hair
The display device of bright offer includes the display panel that above-mentioned any embodiment provides.It should be noted that the embodiment of the present application carries
The display panel types of confession can be flexible liquid crystal panel, can also be oled panel, and micro LED or QLED etc. are all kinds of soft
Property display panel, the application do not limit this.Corresponding display device can be the flexibilities such as flexible, foldable, rollable
The TV of performance, desktop displays, laptop, tablet computer, electrophoretic display device (EPD), car-mounted display, Digital Frame, navigation
Any productions with curved-surface display function such as instrument, industry control show, mobile phone, digital camera, wrist-watch, bracelet, intelligent glasses, Electronic Paper
Product or component, including but not limited to above-mentioned terminal display device.
In display device provided by the invention, black matrix changes in regularity in the crooked end of display panel, and at least
There are three types of bar element of different size, it ensure that the width of black matrix being capable of compensated array substrate and color membrane substrates bending successively
When the dislocation that generates, ensure that black matrix blocks emergent ray, crooked end is not in light leakage phenomena when showing.
By above-described embodiment it is found that the display panel and display device of the present invention, have reached following advantageous effect：
The present invention carries out special design to the black matrix positioned at crooked end on color membrane substrates, is bent along crooked end
Direction on, the width of electrode strip becomes larger in black matrix, the present invention in crooked end black matrix in regularity change, and
At least there are three types of bar element of different size, it ensure that the width of black matrix being capable of compensated array substrate and color membrane substrates successively
The dislocation generated when bending ensure that black matrix blocks emergent ray, should be emitted in the open region of each sub-pixel
Light will not be emitted from the open region of adjacent sub-pixel, and crooked end is not in light leakage phenomena when showing.Also, the present invention
In adjustment is designed to the black matrix for being located at crooked end in color membrane substrates, when making black matrix using etching technics making,
The shape of adjustment mask plate appropriate can complete the production, and technique is relatively easy.
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 (12)
1. a kind of display panel, which is characterized in that including：The crooked end extended in a first direction；
The display panel includes the array substrate being oppositely arranged and color membrane substrates；
The color membrane substrates include black matrix, and the display panel is divided into multiple sub-pixels, the black square by the black matrix
Battle array includes multiple bar elements extended along the first direction, and the bar element includes the first bar element, the second strip
Unit, third bar element to N bar elements, wherein N are positive integer, and N >=3；
The crooked end has along the edge that the first direction extends, in the crooked end, by the display panel
Viewing area be directed toward on the direction at the edge, first bar element, second bar element to the N strip lists
The width of member gradually increases.
2. display panel according to claim 1, which is characterized in that
It in the crooked end, is directed toward by the viewing area of the display panel on the direction at the edge, each sub- picture
Plain open region it is of same size.
3. display panel according to claim 1, which is characterized in that
Viewing area in the crooked end includes the multiple subregions extended along the first direction, in the multiple subregion
Each include at least one bar element；
It in the crooked end, is directed toward by the viewing area of the display panel on the direction at the edge, the multiple subregion
Include the first subregion, the second subregion, third subregion to N subregions successively, wherein the M bar elements are located at the M points
Area, wherein M is positive integer, and M≤N.
4. display panel according to claim 3, which is characterized in that
The number of first bar element, the number of second bar element, the number of the third bar element to institute
State the number all same of N bar elements.
5. display panel according to claim 3, which is characterized in that
The subregion further includes the sub-pixel adjacent with the bar element, the brightness of the sub-pixel in the subregion
Unanimously.
6. display panel according to claim 5, which is characterized in that
The sub-pixel along the first direction arrangement form pixel column,
The subregion further includes at least one pixel column, in a subregion, the number of the pixel column and described
The number of bar element is equal.
7. display panel according to claim 5, which is characterized in that
It in the crooked end, is directed toward by the viewing area of the display panel on the direction at the edge, first subregion
The sub-pixel in the brightness to the N subregions of the sub-pixel in the brightness of the interior sub-pixel, second subregion
Brightness becomes larger.
8. display panel according to claim 7, which is characterized in that
The sub-pixel includes pixel electrode, and the pixel electrode includes at least one electrode strip；
By adjusting the number of the electrode strip, make the brightness of the sub-pixel in first subregion, in second subregion
The brightness of the sub-pixel becomes larger in the brightness of the sub-pixel to the N subregions.
9. display panel according to claim 7, which is characterized in that
The sub-pixel includes pixel electrode, and the pixel electrode includes at least one electrode strip；
By adjusting the distance between the width of the electrode strip and adjacent described electrode strip, make the son in first subregion
The brightness of the sub-pixel is gradual in the brightness to the N subregions of the sub-pixel in the brightness of pixel, second subregion
Become larger.
10. display panel according to claim 1, which is characterized in that
The display panel includes two crooked ends, and two crooked ends are connected.
11. display panel according to claim 1, which is characterized in that
The display panel includes two crooked ends and a flat part, and the flat part is located at two curved ends
Between portion.
12. a kind of display device, which is characterized in that including claim 1 to 11 any one of them display panel.
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| CN201810147128.9A CN108375850A (en) | 2018-02-12 | 2018-02-12 | Display panel and display device |
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| CN201810147128.9A CN108375850A (en) | 2018-02-12 | 2018-02-12 | Display panel and display device |
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Application publication date: 20180807 |