CN108319055A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108319055A CN108319055A CN201810151439.2A CN201810151439A CN108319055A CN 108319055 A CN108319055 A CN 108319055A CN 201810151439 A CN201810151439 A CN 201810151439A CN 108319055 A CN108319055 A CN 108319055A
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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
- G02F1/133371—Cells with varying thickness of the liquid crystal layer
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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
- G02F1/133514—Colour filters
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
A kind of display panel of present invention offer and display device, are related to display technology field, the partially blue phenomenon of the white point occurred when using tetra- color display technologies of RGBW to improve.Display panel includes the pixel unit of multiple array arrangements, and each pixel unit includes color sub-pixel and white sub-pixels；Wherein the area of white sub-pixels is less than the area of color sub-pixel；Display panel further includes the array substrate being oppositely arranged and color membrane substrates, and the liquid crystal layer being filled between array substrate and color membrane substrates；Liquid crystal layer includes the first liquid crystal layer corresponding to color sub-pixel, and corresponding to the second liquid crystal layer of white sub-pixels, and the thickness of the second liquid crystal layer is more than the thickness of the first liquid crystal layer.The display panel shows for realizing picture.
Description
【Technical field】
The present invention relates to display technology field more particularly to a kind of display panel and display devices.
【Background technology】
Liquid crystal display panel generally includes display module and backlight module, currently, the white light that backlight module is sent out is usual
All be the blue ray that is sent out using blue LED die it is compound after yellow fluorescent powder and come.Therefore, current backlight mould
Partially blue phenomenon usually can all occur in the white light that group is sent out.For the liquid crystal display panel using tri- color display technologies of RGB,
The absorption of the red color resistance being arranged on color membrane substrates, green color blocking and blue color blocking to blue light can be utilized, to improve
The partially blue phenomenon of this white point, still, for the display panel shown using tetra- colors of RGBW, due to corresponding white sub-pixels
No color blocking at W, therefore will lead to still to will appear when showing white light partially blue phenomenon.
【Invention content】
In view of this, an embodiment of the present invention provides a kind of display panel and display device, RGBW tetra- is used to improve
The partially blue phenomenon that the display panel of color display technology occurs when showing white light.
On the one hand, an embodiment of the present invention provides a kind of display panel, the display panel includes multiple array arrangements
Pixel unit, each pixel unit includes color sub-pixel and white sub-pixels；The area of the white sub-pixels is less than
The area of the color sub-pixel；
The display panel further includes the array substrate being oppositely arranged and color membrane substrates, and is filled in the array substrate
Liquid crystal layer between the color membrane substrates；
The liquid crystal layer includes the first liquid crystal layer corresponding to the color sub-pixel, and corresponds to the sub- picture of white
Second liquid crystal layer of element, the thickness of second liquid crystal layer are more than the thickness of first liquid crystal layer.
On the other hand, an embodiment of the present invention provides a kind of display device, the display device includes above-mentioned display panel.
Compared with prior art, display panel provided by the invention and display device realize following advantageous effect：
In the display panel that the present embodiment is provided, by the first liquid that corresponding color sub-pixel is arranged in the liquid crystal layer
Crystal layer, and the second liquid crystal layer of white sub-pixels is corresponded to, and enable the thickness of the second liquid crystal layer more than the thickness of the first liquid crystal layer,
In this way when the display panel is shown, since the thickness of corresponding second liquid crystal layer of white sub-pixels is thicker, backlight
The light that source is sent out is when across the second thicker liquid crystal layer of thickness, using the optically-active characteristic of liquid crystal molecule, can make from this second
The transmitance of blue light in the light that liquid crystal layer penetrates declines, and is shown so as to improve the display panel occurred in the prior art
The partially blue phenomenon occurred when white light, optimizes the display effect of display panel.
In addition, in the display panel that the present embodiment is provided, due to position corresponding with white sub-pixels in color membrane substrates
It sets place and is therefore equivalent to the loss for reducing light when light penetrates without color blocking, so as to improve the saturating of display panel
Light rate, and then improve the brightness of display panel.Also, compared with using the display panel of tri- color display technologies of RGB, in display phase
With brightness picture when, the power consumption of the display panel provided in this embodiment comprising white sub-pixels is lower.Based on this, this implementation
The display panel that example provides is also small by the area of the ratio color sub-pixel of the area of wherein white sub-pixels setting, is showing in this way
When the pure color picture of different colours, it will be able to so that the brightness of the pure color picture of different colours is reached unanimity, avoiding the occurrence of will be white
When sub-pixel is equal with the setting of the area of color sub-pixel, what is occurred since the light transmittance of white sub-pixels is high is displayed in white
The excessively bright phenomenon of brightness when picture.
【Description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is a kind of schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of diagrammatic cross-sections of the Fig. 1 along AA '；
Fig. 3 is a kind of diagrammatic cross-sections of the Fig. 1 along BB '；
Fig. 4 is the schematic top plan view of another display panel provided in an embodiment of the present invention；；
Fig. 5 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 6 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram for the display device that the embodiment of the present invention is provided.
【Specific implementation mode】
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, is not intended to be limiting
The present invention.In the embodiment of the present invention and "an" of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
It will be appreciated that though the son of different colours may be described using term first, second in embodiments of the present invention
Pixel, but these sub-pixels should not necessarily be limited by these terms.These terms are only used for each sub-pixel being distinguished from each other out.For example,
In the case where not departing from range of embodiment of the invention, the first color sub-pixels can also be referred to as the second color sub-pixels, class
As, the second color sub-pixels can also be referred to as the first color sub-pixels.
The NTSC (colour gamut) of liquid crystal display panel and the white point chromaticity coordinates of liquid crystal display panel are important in product design consider
Factor.Wherein, standard white point chromaticity coordinates is (0.333,0.333).In the prior art, for using tri- color display technologies of RGB
For liquid crystal display panel, the red color resistance at red sub-pixel R is corresponded in color membrane substrates, at green sub-pixels G because being arranged
Green color blocking and blue subpixels B at blue color blocking to the absorption of blue light, it will usually improve since backlight is sent out
The partially blue phenomenon of the white light gone out, for example, use the white point chromaticity coordinates of the liquid crystal display panel of tri- color display technologies of RGB for
(0.310,0.325), it is smaller with the gap of standard white point chromaticity coordinates, still, for the display surface shown using tetra- colors of RGBW
For plate, due to no color blocking at corresponding white sub-pixels W, it will lead to still to will appear when showing white light partially blue phenomenon, lead to
Cross measure can use tetra- color display technologies of RGBW liquid crystal display panel white point chromaticity coordinates for (0.304,0.311), i.e., with
Use the difference of the white point chromaticity coordinates of the liquid crystal display panel of tri- color display technologies of RGB for (- 0.006, -0.014), it is therefore, right
For the liquid crystal display panel using tetra- color display technologies of RGBW, when showing white light, partially blue phenomenon will occur.
Based on this, a kind of display panel is present embodiments provided, as shown in Figure 1, Fig. 1 is provided in an embodiment of the present invention aobvious
Show the schematic top plan view of panel, which includes the pixel unit 1 of multiple array arrangements, and each pixel unit 1 includes
Color sub-pixel 11 and white sub-pixels 12 (different sub-pixels is represented with different fillings in Fig. 1)；Wherein white sub-pixels
12 area is less than the area of color sub-pixel 11；As shown in Fig. 2, Fig. 2 is a kind of diagrammatic cross-sections of the Fig. 1 along AA '.The display
Panel 10 further includes the array substrate 20 being oppositely arranged and color membrane substrates 30, and is filled in array substrate 20 and color membrane substrates 30
Between liquid crystal layer 40；Liquid crystal layer 40 includes the first liquid crystal layer 41 corresponding to color sub-pixel 11, and corresponding to white
Second liquid crystal layer 42 of pixel 12, the thickness of the second liquid crystal layer 42 are more than the thickness of the first liquid crystal layer 41.
It should be noted that because the position for corresponding to color sub-pixel 11 in color membrane substrates 30 is provided with corresponding color
Color blocking block, and color blocking block is not set in the position of corresponding white sub-pixels 12, but in preparation process, which accordingly can
It is filled by other film layers, therefore, for the color sub-pixel 11, in fig. 1 and 2, is indicated respectively with identical filling
A kind of sub-pixel of color and its corresponding color blocking, for white sub-pixels 12, in Fig. 1 not do the sub-pixel filled
White sub-pixels 12 are represented, in fig. 2, the filling that the position of white sub-pixels 12 is corresponded in color membrane substrates 30 only represents setting
Concrete structure in the position does not represent a certain color.
In the display panel that the present embodiment is provided, by corresponding color sub-pixel 11 is arranged in liquid crystal layer 40 the
One liquid crystal layer 41, and the second liquid crystal layer 42 of white sub-pixels 12 is corresponded to, and the thickness of the second liquid crystal layer 42 is enabled to be more than first
The thickness of liquid crystal layer 41, in this way when the display panel 10 is shown, due to 12 corresponding second liquid crystal layer of white sub-pixels
42 thickness is thicker, and therefore, the light that backlight is sent out utilizes liquid crystal molecule when across the second thicker liquid crystal layer 42 of thickness
Optically-active characteristic can make to decline from the transmitance of the blue light in the light that second liquid crystal layer 42 penetrates, existing so as to improve
The partially blue phenomenon occurred when having the display panel occurred in technology to show white light, optimizes the display effect of display panel.
In addition, in the display panel that the present embodiment is provided, due to corresponding with white sub-pixels 12 in color membrane substrates 30
Position at without color blocking the loss for reducing light is therefore equivalent to when light penetrates, so as to improve display panel
10 light transmittance, and then improve the brightness of display panel 10.Also, compared with using the display panel of tri- color display technologies of RGB,
When showing the picture of same brightness, the power consumption of the display panel 10 provided in this embodiment comprising white sub-pixels 12 is lower.
Based on this, display panel 10 provided in this embodiment is also by the ratio color sub-pixel 11 of the area of wherein white sub-pixels 12 setting
Area it is small, in this way show different colours pure color picture when, it will be able to so that the brightness of the pure color picture of different colours is tended to
Unanimously, when avoiding the occurrence of that white sub-pixels 12 are equal with the setting of the area of color sub-pixel 11, due to white sub-pixels 12
The excessively bright phenomenon of high brightness when being displayed in white picture occurred of light transmittance.
Optionally, as shown in Fig. 2, the thickness difference d1 of the thickness of above-mentioned second liquid crystal layer 42 and the first liquid crystal layer 41 meets
0.12μm<d1<0.41μm.The present embodiment is by the way that the thickness difference d1 of the thickness of the second liquid crystal layer 42 and the first liquid crystal layer 41 to be arranged
Between 0.12 μm to 0.41 μm, on the one hand it can avoid the occurrence of due to by the thickness of the second liquid crystal layer 42 and the first liquid crystal layer 41
Thickness difference d1 setting it is too small when the still more phenomenon of the amount of the blue light of the second liquid crystal layer of transmission 42 that is likely to occur,
That is, the present embodiment can be made by making the thickness of the second liquid crystal layer 42 and the thickness difference d1 of the first liquid crystal layer 41 be more than 0.12 μm
When across the second thicker liquid crystal layer 42 of thickness, the transit dose of blue light is reduced backlight, is occurred in the prior art with improvement aobvious
Show the partially blue phenomenon occurred when Display panel white light, optimizes the display effect of display panel.On the other hand, when in display panel not
With the liquid crystal layer in region thickness disparity it is larger when, the intensity that the electric field for being applied to liquid crystal layer appears in different zones will be made uneven
The phenomenon that, influence display effect.Illustratively, it is arranged when by the thickness difference d1 between the second liquid crystal layer 42 and the first liquid crystal layer 41
When being 0.2 μm, the difference of the white point chromaticity coordinates and standard white point chromaticity coordinates (0.333,0.333) of the display panel 10 tested
For (0.008,0.010), and the display panel and standard white point chromaticity coordinates of tetra- color display technologies of RGBW are used in the prior art
Difference is (- 0.006, -0.014), and since white point chromaticity coordinates is bigger, the white light of display is more yellow, and white point chromaticity coordinates is smaller, display
White light it is more blue, therefore, using display panel 10 provided in this embodiment, the display surface occurred in the prior art can be improved
Plate shows the partially blue phenomenon occurred when white light, optimizes the display effect of display panel.
Illustratively, in the preparation process of liquid crystal display panel, as shown in Fig. 2, being usually first to make color membrane substrates 30
With array substrate 20, then array substrate 20 and color membrane substrates 30 are bonded together to form liquid crystal by frame glue (not shown)
Box, wherein liquid crystal injecting port is provided in the frame glue between array substrate 20 and color membrane substrates 30, after forming liquid crystal cell,
Under vacuum, liquid crystal is injected by empty liquid crystal cell by liquid crystal injecting port, then by flattening liquid crystal in sealing process control box
It measures and closes liquid crystal injecting port.Therefore, the thickness for adjusting liquid crystal layer usually can be by changing color membrane substrates 20 and array substrate 30
The distance between realize.
Specifically, in the present embodiment, as shown in Fig. 2, color membrane substrates 30 include underlay substrate 31, and being formed in substrate
The colored color blocking block 321 of 31 side of substrate and compensation planarization layer 322, combined with Figure 1 and Figure 2, wherein, colored color blocking block 321 with
One of color sub-pixel 11 is corresponding, and compensation planarization layer 322 is corresponding with white sub-pixels 12, also, such as Fig. 2 institutes
Show, it is H that colored color blocking block 321 is equal with the compensation thickness of planarization layer 322.In addition to this, which further includes
It is formed in first planarization layer 51 of the colored color blocking block 321 far from 31 side of underlay substrate, it is remote to be formed in compensation planarization layer 322
The second planarization layer 52 from 31 side of underlay substrate, wherein the thickness of the second planarization layer 52 is less than the first planarization layer 51
Thickness.As described above, the present embodiment by by colored color blocking block 321 and compensation planarization layer 322 thickness be set as equal,
It is arranged by differing for the thickness of the first planarization layer 51 and the second planarization layer 52 setting, and by the thickness of the second planarization layer 52
The thickness less than the first planarization layer 51, in this way will by colored color blocking block 321, compensation planarization layer 322, first planarize
When the color membrane substrates 30 and array substrate 20 that the structures such as layer 51 and the second planarization layer are formed form liquid crystal cell to box, you can will
The relatively thin of thicker region setting at corresponding color sub-pixel 11 is arranged in region at corresponding white sub-pixels 12, thus
After liquid crystal being injected in liquid crystal cell, you can so that the thickness of the second liquid crystal layer 42 at corresponding white sub-pixels 12 is more than corresponding colored
The thickness of the first liquid crystal layer at sub-pixel 11 can thus make the light that backlight is sent out across the second thicker liquid crystal of thickness
When layer 42, using the optically-active characteristic of liquid crystal molecule, make under the transmitance of the blue light in the light that second liquid crystal layer 42 penetrates
Drop optimizes the display of display panel to improve the partially blue phenomenon occurred when the display panel occurred in the prior art shows white light
Effect.
Optionally, the thickness difference d2 of the thickness of above-mentioned second planarization layer 52 and the first planarization layer 51 meets 0.12 μm<
d2<0.41μm.By above-mentioned analysis it is found that since the thickness of liquid crystal layer is typically by between color membrane substrates 30 and array substrate 20
Distance limit, and the first planarization layer 51 and the second planarization layer 52 be located at color membrane substrates 30 close to array substrate 20
The distance of side, i.e. the first planarization layer 51 and the second planarization layer 52 to array substrate 20 can be equivalent to the first liquid crystal respectively
The thickness of layer 41 and the second liquid crystal layer 42, therefore, the present embodiment is by planarizing the thickness of the second planarization layer 52 and first
The thickness difference d2 of layer 51 is arranged between 0.12 μm to 0.41 μm, can be by the thickness of the second liquid crystal layer 42 and the first liquid crystal layer 41
Thickness difference d1 be arranged at 0.12 μm<d1<Between 0.41 μm, that is, on the one hand the scheme for using the present embodiment to be provided can protect
Backlight is demonstrate,proved when across the second thicker liquid crystal layer 42 of thickness, the transit dose of blue light is reduced, and is occurred in the prior art with improvement
Display panel shows the partially blue phenomenon occurred when white light, optimizes the display effect of display panel.On the other hand it also can avoid occurring
When the thickness disparity of the liquid crystal layer of different zones is larger in display panel, the electric field of the caused liquid crystal layer for being applied to different zones
Uneven phenomenon avoids influencing display effect.
As shown in Fig. 2, color membrane substrates 30 further include being located between colored color blocking block 321 and colored color blocking block 321 and compensation
Black matrix BM between planarization layer 322, also, the first planarization layer 51 include connect with the second planarization layer 52 it is first flat
Smoothization layer edge 510, the second planarization layer 52 include the second planarization layer edge 520 to connect with the first planarization layer 51, the
One planarization layer edge 510 is in contact with the second planarization layer edge 520, black matrix BM 10 place plane of display panel just
The first planarization layer edge 510 of projection covering is in the orthographic projection of 10 place plane of display panel, and black matrix BM is in display panel 10
The orthographic projection of place plane covers orthographic projection of the second planarization layer edge 520 in 10 place plane of display panel.The present embodiment
Segment difference position between first planarization layer 51 and the second planarization layer 52 is blocked by using black matrix BM, to avoid inciting somebody to action
Segment difference position between first planarization layer 51 and the second planarization layer 52 is arranged in the open area of each sub-pixel, to keep away
The normal luminous for exempting to influence each sub-pixel, ensures the display effect of the display panel.
As shown in Figure 1, above-mentioned color sub-pixel 11 includes the first color sub-pixels 111, the second color sub-pixels 112 and the
Three color sub-pixels 113, in each pixel unit 1, the first color sub-pixels 111, the second color sub-pixels 112, third face
Sub-pixels 113 and the array arrangement in two rows of three of white sub-pixels 114；Wherein, the first color sub-pixels 111, the second face
Sub-pixels 112 and third color sub-pixels 113 are sequentially arranged along the first row, the first color sub-pixels 111, the second color sub- picture
Element 112 and white sub-pixels 12 are sequentially arranged along the second row；Also, as shown in Figures 2 and 3, Fig. 3 is that Fig. 1 is cutd open along one kind of BB '
Face schematic diagram.Above-mentioned colour color blocking block 321 includes the first color blocking block 3211, the second color blocking block 3212 and third color blocking block 3213,
Wherein, in conjunction with Fig. 1, the first color blocking block 3211 is corresponding with the first color sub-pixels 111, the second color blocking block 3212 and the second color
Sub-pixel 112 is corresponding, and third color blocking block 3213 is corresponding with third color sub-pixels 113.Illustratively, in preparation process
In, the technologies such as pigment dispersion method, decoration method, reversal printing method, hot multilayer technique and ink-jet printing can be selected to prepare coloured silk
Color color blocking block 321.After the completion of prepared by colored color blocking block 321, above-mentioned compensation planarization layer 322, the first planarization layer 51 and
Identical material may be used by identical technique to carry out in the preparation of two planarization layers 52, such as can select acrylic acid
The insulation photoresist such as resin.Only (above-mentioned compensation planarization layer 322, which is equivalent to, to be filled out after forming one layer of smooth planarization layer
Fill the vacancy by occurring without color blocking at white sub-pixels 12), it is also necessary to using half gray level mask plate to corresponding white
Planarization layer at 12 position of sub-pixel performs etching, so that the planarization layer at 12 position of corresponding white sub-pixels is thinning, i.e.,
The thickness of the second planarization layer 52 is set to be less than the thickness of the first planarization layer 51, to complete the preparation of color membrane substrates 30.
Furthermore it is possible to understand when, when actually preparing, ratio color sub-pixel that the areas of white sub-pixels 12 is arranged
The small realization method of 11 area can there are many, for example, white sub-pixels 12 and the width of color sub-pixel 11 can be set
Be set to it is equal, the length of white sub-pixels 12 is arranged it is smaller to reduce the area of white sub-pixels 12, alternatively, can also will
White sub-pixels 12 are set as equal with the length of color sub-pixel 11, the width of white sub-pixels 12 are arranged smaller to subtract
The area of small white sub-pixels 12, or can also be by ratio color sub-pixel that the length and width of white sub-pixels 12 is respectively provided with
11 is small, and the present embodiment does not limit this.
Optionally, as shown in Figure 1, wherein the area of third color sub-pixels 113 is more than the first color sub-pixels 111
Area, the area of third color sub-pixels 113 are more than the area of the second color sub-pixels 112.Optionally, as shown in figure 4, Fig. 4
For a kind of another schematic top plan view of display panel provided in an embodiment of the present invention；Above-mentioned first color sub-pixels 111 are red
Sub-pixels R, the second color sub-pixels 112 are green sub-pixels G, and third color sub-pixels are blue subpixels B.Due to blue
The light transmittance of sub-pixel is relatively low, thus the present embodiment by by the setting of the area of blue subpixels B than red sub-pixel R and green
The area of sub-pixels G is big, in this way, the light transmission capacity through blue subpixels B can be increased, so that display panel 10
Brightness is more uniform.
Optionally, under the premise of meeting the above-mentioned technical concept that the present embodiment is provided, the pixel of the display panel is arranged
Mode for cloth can there are many, as shown in Figure 4, Figure 5 and Figure 6, Fig. 5 is a kind of the another of display panel provided in an embodiment of the present invention
Kind schematic top plan view；Fig. 6 is a kind of another schematic top plan view of display panel provided in an embodiment of the present invention；In Fig. 4,
3n+1 row sub-pixel is made of red sub-pixel R, and 3n+2 row sub-pixel is made of green sub-pixels G, 3n row sub-pixel by
Blue subpixels B and white sub-pixels W are alternately arranged composition, wherein n is the positive integer more than or equal to 0.It can make phase in this way
Space between adjacent two row sub-pixels is arranged in a linear, to when making data line, be improved to avoid the bending of data line
The reliability of data line.
Alternatively, as shown in Figure 5 and Figure 6, wherein either rank sub-pixel includes red sub-pixel R, green sub-pixels G, indigo plant
Sub-pixels B and white sub-pixels W can improve the colour mixture uniformity of entire display panel in this way.In actual production, related
Technical staff can carry out different settings according to actual demand.The present embodiment does not limit this.
Illustratively, as shown in Fig. 2, the display panel 10 further includes the branch between array substrate 20 and color membrane substrates
Dagger P, wherein support column P is in the orthographic projection of 10 place plane of display panel and white sub-pixels 12 where display panel 10
The orthographic projection no overlap of plane.The present embodiment such setting can ensure that support column P avoids the first liquid crystal layer 41 and the second liquid crystal
Segment difference position between layer 42 ensures that support column P can be placed steadily, avoids the sliding of support column P.In actual display panel
Preparation process in, support column P can be arranged between two color sub-pixels of arbitrary neighborhood, for example, to use RGBW
For the display panel of four color display technologies, support column P can be arranged in adjacent red sub-pixel R and green sub-pixels G
Between, alternatively, support column P is arranged between blue subpixels B and red sub-pixel R, as long as it is white that support column P can be made to avoid
Sub-pixels are arranged.
Certainly, in the present embodiment, it is additionally provided with the first alignment film on the surface of array substrate towards the side of liquid crystal layer,
The surface of color membrane substrates towards liquid crystal layer side is provided with also the second alignment film, to pass through the first alignment film and the second alignment film
Initial deflection angle is provided for the liquid crystal molecule of liquid crystal layer.
It should be noted that above-mentioned display panel merely illustrates the viewing area region for showing picture, certainly, show
Show that panel further includes the non-display area around viewing area, is provided with the elements such as driving circuit in non-display area, driving circuit is used for
Signal is provided for elements such as grid line gate, data line data and public electrodes, details are not described herein again.
The present embodiment additionally provides display device 100, as shown in fig. 7, Fig. 7 is display device provided in an embodiment of the present invention
Structural schematic diagram, the display device 100 include above-mentioned display panel 10.Wherein, the concrete structure of display panel is upper
It states in embodiment and is described in detail, details are not described herein again.Certainly, display device shown in Fig. 7 is only schematically illustrate, should
Display device can be any with display function such as mobile phone, tablet computer, laptop, electric paper book or television set
Electronic equipment.
The display device 100 provided using the present embodiment, by the way that corresponding color sub-pixel 11 is arranged in liquid crystal layer 40
The first liquid crystal layer 41, and corresponding white sub-pixels 12 the second liquid crystal layer 42, and the thickness of the second liquid crystal layer 42 is enabled to be more than
The thickness of first liquid crystal layer 41, in this way when the display panel 10 is shown, due to 12 corresponding second liquid of white sub-pixels
The thickness of crystal layer 42 is thicker, and therefore, the light that backlight is sent out utilizes liquid crystal point when across the second thicker liquid crystal layer 42 of thickness
The optically-active characteristic of son can make to decline from the transmitance of the blue light in the light that second liquid crystal layer 42 penetrates, so as to change
The kind display panel occurred in the prior art shows the partially blue phenomenon occurred when white light, optimizes the display effect of display panel.
In addition, in the display panel that the present embodiment is provided, due to corresponding with white sub-pixels 12 in color membrane substrates 30
Position at without color blocking the loss for reducing light is therefore equivalent to when light penetrates, so as to improve display panel
10 light transmittance, and then improve the brightness of display panel 10.Also, compared with using the display panel of tri- color display technologies of RGB,
When showing the picture of same brightness, the power consumption of the display panel 10 provided in this embodiment comprising white sub-pixels 12 is lower.
Based on this, display panel 10 provided in this embodiment is also by the ratio color sub-pixel 11 of the area of wherein white sub-pixels 12 setting
Area it is small, in this way show different colours pure color picture when, it will be able to so that the brightness of the pure color picture of different colours is tended to
Unanimously, when avoiding the occurrence of that white sub-pixels 12 are equal with the setting of the area of color sub-pixel 11, due to white sub-pixels 12
The excessively bright phenomenon of high brightness when being displayed in white picture occurred of light transmittance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (12)
1. a kind of display panel, which is characterized in that the display panel includes the pixel unit of multiple array arrangements, each described
Pixel unit includes color sub-pixel and white sub-pixels；The area of the white sub-pixels is less than the face of the color sub-pixel
Product；
The display panel further includes the array substrate being oppositely arranged and color membrane substrates, and is filled in the array substrate and institute
State the liquid crystal layer between color membrane substrates；
The liquid crystal layer includes the first liquid crystal layer corresponding to the color sub-pixel, and corresponding to the white sub-pixels
Second liquid crystal layer, the thickness of second liquid crystal layer are more than the thickness of first liquid crystal layer.
2. display panel according to claim 1, which is characterized in that the thickness of second liquid crystal layer and first liquid
The poor d1 of the thickness of crystal layer meets 0.12 μm<d1<0.41μm.
3. display panel according to claim 1, which is characterized in that the color membrane substrates include：
Underlay substrate；
It is formed in the colored color blocking block and compensation planarization layer of the underlay substrate side, the colour color blocking block and the colour
Sub-pixel is corresponding, and the compensation planarization layer is corresponding with the white sub-pixels, the colour color blocking block and the compensation
The thickness of planarization layer is equal；
It is formed in colored first planarization layer of the color blocking block far from the underlay substrate side；
It is formed in the second planarization layer of the side of the compensation planarization layer far from the underlay substrate；
The thickness of second planarization layer is less than the thickness of first planarization layer.
4. display panel according to claim 3, which is characterized in that the thickness of second planarization layer and described first
The thickness difference d2 of planarization layer meets 0.12 μm<d2<0.41μm.
5. display panel according to claim 1, which is characterized in that the color membrane substrates further include being located at the colored color
Black matrix between stop block and between the colored color blocking block and the compensation planarization layer, first planarization layer include with
The first planarization layer edge that second planarization layer connects, second planarization layer include and first planarization layer
The the second planarization layer edge to connect, first planarization layer edge is touched with the second planarization layer side edge, described
Black matrix covers first planarization layer edge in the display panel institute in the orthographic projection of plane where the display panel
In the orthographic projection of plane, the black matrix covers second planarization layer side in the orthographic projection of plane where the display panel
Orthographic projection of the edge in plane where the display panel.
6. display panel according to claim 5, which is characterized in that the color sub-pixel includes the first color sub- picture
Element, the second color sub-pixels and third color sub-pixels；
In each pixel unit, first color sub-pixels, second color sub-pixels, third color
Pixel and white sub-pixels array arrangement in two rows of three；Wherein, first color sub-pixels, second color
Sub-pixel and the third color sub-pixels are sequentially arranged along the first row；First color sub-pixels, second color
Pixel and the white sub-pixels are sequentially arranged along the second row；
The colour color blocking block includes the first color blocking block, the second color blocking block and third color blocking block；The first color blocking block with it is described
First color sub-pixels are corresponding, and the second color blocking block is corresponding with second color sub-pixels, the third color blocking block
It is corresponding with the third color sub-pixels.
7. display panel according to claim 6, which is characterized in that the area of the third color sub-pixels is more than described
The area of first color sub-pixels, the area of the third color sub-pixels are more than the area of second color sub-pixels.
8. display panel according to claim 7, which is characterized in that first color sub-pixels are red sub-pixel,
Second color sub-pixels are green sub-pixels, and the third color sub-pixels are blue subpixels.
9. display panel according to claim 8, which is characterized in that 3n+1 row sub-pixel is by the first color sub-pixels structure
At 3n+2 row sub-pixel is made of the second color sub-pixels, and 3n row sub-pixel is by third color sub-pixels and the sub- picture of white
Element is alternately arranged composition, wherein n is the positive integer more than or equal to 0.
10. display panel according to claim 8, which is characterized in that either rank sub-pixel includes the first color sub- picture
Element, the second color sub-pixels, third color sub-pixels and white sub-pixels.
11. display panel according to claim 1, which is characterized in that the display panel further includes being located at the array
Support column between substrate and the color membrane substrates；The support column the orthographic projection of plane where the display panel with it is described
Orthographic projection no overlap of the white sub-pixels in plane where the display panel.
12. a kind of display device, which is characterized in that the display device includes as claim 1~11 any one of them is aobvious
Show panel.
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| CN201810151439.2A CN108319055A (en) | 2018-02-14 | 2018-02-14 | Display panel and display device |
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| CN201810151439.2A CN108319055A (en) | 2018-02-14 | 2018-02-14 | Display panel and display device |
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