CN109917581A - A kind of liquid crystal display panel and display device - Google Patents
A kind of liquid crystal display panel and display device Download PDFInfo
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- CN109917581A CN109917581A CN201910163431.2A CN201910163431A CN109917581A CN 109917581 A CN109917581 A CN 109917581A CN 201910163431 A CN201910163431 A CN 201910163431A CN 109917581 A CN109917581 A CN 109917581A
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Abstract
The present invention relates to field of display technology, disclosing a kind of liquid crystal display panel and display device, the liquid crystal display panel includes array of sub-pixel elements, upper wiregrating polaroid and lower wiregrating polaroid；Lower wiregrating polaroid region corresponding with each sub-pixel unit includes polarisation region under polarisation region and the second class under the first kind, the polarization direction in polarisation region is vertical with the polarization direction in polarisation region under the second class under the first kind, upper wiregrating polaroid region corresponding with each sub-pixel unit includes polarisation region in polarisation region and the second class in the first kind, orthographic projection of the polarisation region on lower wiregrating polaroid is Chong Die with polarisation region under the first kind in the first kind, and polarisation region is Chong Die with polarisation region under the second class in the orthographic projection on lower wiregrating polaroid in the second class.The liquid crystal display panel uses wiregrating polaroid, and transmitance is high, and is not necessarily to designed image separated structure, and 3D display can be realized, and transmitance loss is small, substantially increases transmitance, reduces backlight power consumption.
Description
Technical field
The present invention relates to field of display technology, espespecially a kind of liquid crystal display panel and display device.
Background technique
In the prior art, in order to realize liquid crystal display panel carry out 3D display, usually borrow existing 2D display panel,
It installs image separated structure additional on this basis, the 2D image that 2D display panel is shown is separated into polarization direction orthogonal the
Then one image and the second image are observed using 3D analyzing glasses, finally allow the viewer to enough observe 3 dimensional drawing
Picture.
But the emergent light of 2D display panel is the linearly polarized light of single polarization direction, as shown in Figure 1, image separation knot
Structure 02 includes quarter wave plate 021 and the polarizer 022, and liquid crystal display panel 01 projects the linearly polarized light of single polarization direction, image point
From structure 02 in order to convert the mutually perpendicular polarised light in polarization direction for this polarised light, need first that the line of this single direction is inclined
Vibration light is converted to rotatory polarization by quarter wave plate 021, then converts two kinds by the polarizer 022 for rotatory polarization again and is mutually perpendicular to
Polarised light.The transmitance of liquid crystal display panel causes display panel transmitance low by repeatedly loss in the entire system.
Therefore, transmitance when how to improve liquid crystal display panel progress 3D display is that those skilled in the art are urgently to be resolved
The technical issues of.
Summary of the invention
The present invention provides a kind of liquid crystal display panel and display device, when carrying out 3D display to solve liquid crystal display panel
The low problem of transmitance.
The present invention provides a kind of liquid crystal display panels, including the sub-pixel unit battle array being made of multiple sub-pixel units
Column, upper wiregrating polaroid and lower wiregrating polaroid；The lower wiregrating polaroid is corresponding with each sub-pixel unit
Region includes polarisation region under polarisation region and the second class under the first kind, the polarization direction in polarisation region and institute under the first kind
The polarization direction for stating polarisation region under the second class is vertical, and the upper wiregrating polaroid is corresponding with each sub-pixel unit
Region includes polarisation region in polarisation region and the second class in the first kind, and polarisation region is inclined in the lower wiregrating in the first kind
Orthographic projection on mating plate is Chong Die with polarisation region under the first kind, and polarisation region is in the lower wiregrating polarisation in second class
The orthographic projection of on piece is Chong Die with polarisation region under second class, the polarization direction in polarisation region and described the in the first kind
The polarization direction in the lower polarisation region of one kind is vertical, the polarization direction in polarisation region and polarisation under second class in second class
The polarization direction in region is vertical.
On the other hand, the embodiment of the present invention also provides a kind of display device, including above-mentioned liquid crystal display provided by the invention
Panel.
The present invention has the beneficial effect that:
A kind of liquid crystal display panel provided by the invention and display device, the liquid crystal display panel include by multiple sub-pixels
Array of sub-pixel elements, upper wiregrating polaroid and the lower wiregrating polaroid of unit composition；Lower wiregrating polaroid and every height picture
The corresponding region of plain unit includes polarisation region under polarisation region and the second class under the first kind, and polarisation region under the first kind
The polarization direction of polarization direction and polarisation region under the second class is mutually perpendicular to, and upper wiregrating polaroid is opposite with each sub-pixel unit
The region answered include under the first kind in the corresponding first kind in polarisation region polarisation region and with polarisation region under the second class it is corresponding
The second class on polarisation region, and in the first kind polarization direction in polarisation region and polarisation region under the first kind polarization direction phase
Mutually vertical, the polarization direction in polarisation region and the polarization direction in polarisation region under the second class are mutually perpendicular in the second class.Above-mentioned liquid
In LCD panel, since lower wiregrating polaroid 4 and upper wiregrating polaroid 5 are all made of wire grating design, with traditional polaroid
Compared to transmitance height, and the polarization design of lower wiregrating polaroid 4 and upper wiregrating polaroid 5 is so that each sub-pixel unit
Emergent light is directly changed into orthogonal two kinds of polarization direction partially under the cooperation of upper wiregrating polaroid and lower wiregrating polaroid
Shake light, is not necessarily to additional designs image separated structure, 3D display can be realized, the loss of system transmitance is reduced, and then is greatly improved
The transmitance of liquid crystal display panel, reduces the power consumption of backlight.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 3D display panel in the prior art；
Fig. 2 is a kind of structural schematic diagram of array of sub-pixel elements provided in an embodiment of the present invention；
Fig. 3 a is a kind of structural schematic diagram of lower wiregrating polaroid provided in an embodiment of the present invention；
Fig. 3 b is a kind of structural schematic diagram of upper wiregrating polaroid provided in an embodiment of the present invention；
Fig. 4 a is a kind of knot of lower wiregrating polaroid and a sub-pixel unit corresponding region provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 4 b is a kind of knot of upper wiregrating polaroid and a sub-pixel unit corresponding region provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 5 a is another lower wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 5 b is another upper wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 6 a is another lower wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 6 b is another upper wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 7 a is another lower wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 7 b is another upper wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 8 a is another lower wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 8 b is another upper wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Fig. 9 is a kind of structural schematic diagram of liquid crystal display panel provided in an embodiment of the present invention；
Figure 10 is a kind of sub-pixel unit structural schematic diagram of one-domain structure provided in an embodiment of the present invention；
Figure 11 a is another lower wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Figure 11 b is another upper wiregrating polaroid provided in an embodiment of the present invention and a sub-pixel unit corresponding region
Structural schematic diagram；
Figure 12 a is a kind of structural schematic diagram of the sub-pixel unit of very double domain structures provided in an embodiment of the present invention.
Figure 12 b is a kind of structural schematic diagram of the sub-pixel unit of pseudo- double domain structures provided in an embodiment of the present invention.
Label:
01- liquid crystal display panel；02- image separated structure；Wave plate；The 022- polarizer；
1- first substrate；11- transparent substrate；12- buffer layer；13- array of sub-pixel elements layer；131- data line；132-
Grid line；133- thin film transistor (TFT)；134- pixel electrode；10- sub-pixel unit；Both alignment layers under 14-；
2- the second substrate；21- transparent substrates；22- black matrix；23- color blocking layer；24- flatness layer；25- public electrode；26-
Upper both alignment layers；
3- liquid crystal layer；
Wiregrating polaroid under 4-；Polarisation region under the 41- first kind；The lower polarisation region 411- first；Polarisation under the second class of 42-
Region；The lower polarisation region 421- second；
The upper wiregrating polaroid of 5-, polarisation region in the 51- first kind；Polarisation region on 511- first；Polarisation in the second class of 52-
Region；Polarisation region on 521- second.
Specific embodiment
In order to realize that liquid crystal display panel shows 3D picture, the image for showing traditional 2D display panel is needed to be separated into partially
Shake orthogonal first image in direction and the second image, is then observed using 3D analyzing glasses, so that left eye and right eye
It is respectively received polarization direction different the first image and the second image, generates stereo-picture eventually by the vision system of people,
But need that image separated structure is arranged on liquid crystal display panel in image separation process, and image separated structure needs elder generation
Polarised light is converted into rotatory polarization, then converts two kinds of orthogonal polarised lights, the transmission of whole system for rotatory polarization again
Rate causes system transmitance low by repeatedly loss.
For the above problem present in the relevant technologies, the embodiment of the invention provides a kind of liquid crystal display panel and displays
Device.In order to make the purpose of the present invention, the technical scheme and advantages are more clear, with reference to the accompanying drawing, the embodiment of the present invention is mentioned
The liquid crystal display panel of confession and the specific embodiment of display device are described in detail.It should be appreciated that disclosed below
Preferred embodiment is only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.And in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
The shapes and sizes of each component do not react actual proportions in attached drawing, and purpose is schematically illustrate the content of present invention.
A kind of liquid crystal display panel provided in an embodiment of the present invention, as shown in Fig. 2, Fig. 3 a and Fig. 3 b, the liquid crystal display
Panel includes the array of sub-pixel elements being made of multiple sub-pixel units 10, upper wiregrating polaroid 5 and lower wiregrating polaroid
4；Lower wiregrating polaroid 4 region corresponding with each sub-pixel unit 10 includes under the first kind under polarisation region 41 and the second class
Polarisation region 42, the polarization direction in polarisation region 41 is vertical with the polarization direction in polarisation region 42 under the second class under the first kind, on
The region corresponding with each sub-pixel unit 10 of wiregrating polaroid 5 includes polarisation in polarisation region 51 and the second class in the first kind
Region 52, orthographic projection of the polarisation region 51 on lower wiregrating polaroid 4 is Chong Die with polarisation region 41 under the first kind in the first kind, and
Polarisation region 52 is Chong Die with polarisation region 42 under the second class in the orthographic projection on lower wiregrating polaroid 4 in two classes, in the first kind partially
The polarization direction in light region 51 is vertical with the polarization direction in polarisation region 41 under the first kind, the polarization in polarisation region 52 in the second class
Direction is vertical with the polarization direction in polarisation region 42 under the second class.
In liquid crystal display panel provided in an embodiment of the present invention, the emergent light of each sub-pixel unit 10 is in the first kind
The polarization with polarisation region 51 in the first kind is directly changed on lower polarisation region 41 and the first kind under the cooperation in polarisation region 51
Identical first polarised light in direction, and directly turn under the cooperation in polarisation region 52 in polarisation region 42 and the second class under the second class
Change the second polarised light identical with the polarization direction in polarisation region 52 in the second class into, so that each sub-pixel unit
There are two mutually orthogonal directions for emergent light.When carrying out the display of 3D picture, observer is designed by the polarization of 3D analyzing glasses
(polarization direction of two eyeglasses is identical as the polarization direction of the polarization direction of the first polarised light and the second polarised light respectively), can be with
So that left eye can only see the picture (assuming that it is corresponding to project region with the first polarised light) of the left eye visual field of liquid crystal display panel, then
Right eye mutually should be seen that the picture (it is assumed that it is corresponding to project region with the second polarised light) of the right eye visual field of liquid crystal display panel, two pictures
Face can distinguish front and back, the distance of object after brain is comprehensive, form 3D and feel.
Specifically, when liquid crystal display panel carries out the display of 3D picture, viewing area outgoing corresponding with polarisation region 51 in the first kind
First polarised light, viewing area corresponding with polarisation region 52 in the second class are emitted the second polarised light, and observer uses 3D analyzing eye
When sem observation, left eye receives the first polarised light, and the brightness experienced is L1, and corresponding right eye receives the second polarised light, feels
The brightness being subject to is L2, then the total brightness that brain is experienced is L1+L2, the liquid crystal display panel provided in the present embodiment and at present
Liquid crystal display panel with image separated structure is compared, and lower wiregrating polaroid 4 and upper wiregrating polaroid 5 are all made of wire grating
Scheme, compared with the polaroid that traditional 2D display panel uses, transmitance is greatly increased, and no setting is required image separation knot
Structure, transmitance loss is reduced, and then display brightness has huge promotion.
Specifically, used wire grid polarizer in liquid crystal display panel provided in an embodiment of the present invention, transmitance than
Conventional iodine system or fuel system polaroid are high by 50% or more, and no setting is required image separated structure, and transmitance loss is opposite to be reduced,
If the high corresponding design of display panel transmitance can reduce the brightness of backlight in the identical situation of display module brightness
(i.e. backlight current), to reduce backlight power consumption.
It should be noted that liquid crystal display panel provided in an embodiment of the present invention can both show 3D picture, can also show
Common 2D picture.When liquid crystal display panel shows common 2D picture, there are two mutually for the emergent light tool of liquid crystal display panel
Vertical polarization direction, because human eye does not have the function of analyzing, can be seen simultaneously so that emergent light is approximately natural light
Two kinds of orthogonal polarised lights, so being compared with the panel of traditional single line polarisation of injection, liquid crystal in the embodiment of the present invention
Display panel has better human eye adaptability when showing 2D picture.
In addition, the sunglasses with polarization function can only penetrate the polarised light of a polarization direction, and common liquid crystals are aobvious
Show that panel is also only emitted the polarised light of a polarization direction, if the polarised light that sunglasses penetrate is penetrated with common liquid crystals display panel
The polarization direction of polarised light out is mutually perpendicular to, and watches common liquid crystals display panel when wearing the sunglasses with polarization function
When, it may appear that blank screen phenomenon, and can be emitted two polarization directions mutually perpendicular for liquid crystal display panel in the embodiment of the present invention
Polarised light, when wearing the viewing of the sunglasses with polarization function, the phenomenon that being not in blank screen.
In liquid crystal display panel provided in an embodiment of the present invention, in lower wiregrating polaroid 4 and each 10 phase of sub-pixel unit
Corresponding region, the shape that polarisation region 42 is arranged under polarisation region 41 and the second class under the first kind herein with no restrictions, root
Shape corresponding depending on practical situations, that polarisation region 52 is arranged in polarisation region 51 and the second class in the first kind
Respectively with polarisation region 41 under the first kind under the second class polarisation region 42 it is corresponding.
Optionally, as shown in fig. 4 a, in lower wiregrating polaroid 4 region corresponding with each sub-pixel unit 10, first
Polarisation region 41 includes at least one first lower polarisation region 411 under class, under the second class polarisation region 42 include at least one the
Two lower polarisation regions 421, the polarization direction in the first lower polarisation region 411 and the polarization direction in the second lower polarisation region 421 are mutual
Vertically；It is corresponding, in upper wiregrating polaroid 5 region corresponding with each sub-pixel unit 10, as shown in Figure 4 b, the first kind
Upper polarisation region 51 includes and polarisation region 511, the second Lei Shang polarisation area on the first lower polarisation region 411 one-to-one first
Domain 52 includes descending polarisation region 521 on polarisation region 421 one-to-one second, and polarisation region 511 on first with second
Polarization direction is vertical with the first lower polarization direction in polarisation region 411, on second under the polarization direction in polarisation region 521 and second
The polarization direction in polarisation region 421 is vertical, wherein the first lower polarisation region 411 and the second lower polarisation region 421 are along sub-pixel list
It is staggered on the line direction and/or column direction of element array.
Specifically, as shown in Figure 5 a, the first lower polarisation region 411 and the second lower polarisation region 421 are along sub-pixel unit battle array
The line direction of column is staggered, i.e., two identical polarisation regions are non-conterminous in a line, the first lower polarisation region 411 and second
The number in lower polarisation region 511 is all larger than equal to 1；Correspondingly, as shown in Figure 5 b, the arrangement position in polarisation region 511 on first
It is corresponding with the first lower arrangement position in polarisation region 411, the arrangement position in polarisation region 521 and the second lower polarisation region on second
421 arrangement position is corresponding.
Specifically, as shown in Figure 6 a, the first lower polarisation region 411 and the second lower polarisation region 421 are along sub-pixel unit battle array
The column direction of column is staggered, i.e., non-conterminous in the upper two identical polarisation regions of column, the first lower polarisation region 411 and second
The number in lower polarisation region 511 is all larger than equal to 1；Correspondingly, as shown in Figure 6 b, the arrangement position in polarisation region 511 on first
It is corresponding with the first lower arrangement position in polarisation region 411, the arrangement position in polarisation region 521 and the second lower polarisation region on second
421 arrangement position is corresponding.
Specifically, as shown in Figure 7a, the first lower polarisation region 411 and the second lower polarisation region 421 are along sub-pixel unit battle array
The line direction and column direction of column are staggered, i.e., two identical polarisation regions are non-conterminous in a line, and arrange upper two one
A identical polarisation region is also non-conterminous, and the number in the first lower polarisation region 411 and the second lower polarisation region 511, which is all larger than, to be equal to
2；Correspondingly, as shown in Figure 7b, the arrangement position of the arrangement position in polarisation region 511 and the first lower polarisation region 411 on first
Corresponding, the arrangement position in polarisation region 521 is corresponding with the second lower arrangement position in polarisation region 421 on second.First lower polarisation
Such arrangement mode in region 411 and the second lower polarisation region 421 can make to show that picture seems more uniform, especially suitable
In the big liquid crystal display panel of resolution ratio.
In the liquid crystal display panel that foregoing invention embodiment provides, optionally, as shown in Fig. 4 a and 8a, polarisation region under the first kind
41 include one first lower polarisation region 411, and polarisation region 42 includes one second lower polarisation region 421 under the second class, and first
Lower polarisation region 411 and the second lower polarisation region 421 are arranged along column direction, as shown in Fig. 4 b and 8b, polarisation region in the first kind
511 include one and polarisation region 511 on the first lower polarisation region 411 corresponding first, and polarisation region 52 includes in the second class
One is descended polarisation region 521 on polarisation region 421 corresponding first with second；Alternatively, as shown in Figure 7a, polarisation area under the first kind
Domain 41 includes two first lower polarisation regions 411, and polarisation region 42 includes two second lower polarisation regions 421 under the second class, and two
A first lower polarisation region 411 and two second lower polarisation regions 421 are arranged in 2*2 array and on line direction and column direction
It is staggered, as shown in Figure 7b, polarisation region 51 includes two one-to-one with the first lower polarisation region 411 in the first kind
Polarisation region 511 on first, polarisation region 52 includes two and the second lower polarisation region 421 one-to-one first in the second class
Upper polarisation region 521.
In liquid crystal display panel provided in an embodiment of the present invention, on lower wiregrating polaroid 4, the first lower polarisation region 411
Polarization direction and the polarization direction in the second lower polarisation region 421 need specifically to be arranged according to practical situations.
Optionally, as shown in fig. 4 a, the polarization direction in the first lower polarisation region 411 is parallel to column direction, the second lower polarisation
The polarization direction in region 421 is parallel to line direction；And correspondingly, as shown in Figure 4 b, the polarization direction in polarisation region 511 on first
It is parallel to line direction, the polarization direction in polarisation region 521 is parallel to column direction on second.
Optionally, as shown in Figure 8 a, the polarization direction in the first lower polarisation region 411 can also be in 45 degree of angles with line direction,
The polarization direction in the second lower polarisation region 421 and line direction are in 135 degree of angles, correspondingly, as shown in Figure 8 b, polarisation region on first
511 polarization direction and line direction are in 135 degree of angles, and the polarization direction in polarisation region 521 and line direction are in 45 degree of angles on second.
It is corresponding with each sub-pixel unit 10 to can choose the lower wiregrating polaroid 4 of setting for above-mentioned liquid crystal display panel
The area in polarisation region 41 is equal to the area in polarisation region 42 under the second class under the first kind in region, correspondingly, upper wiregrating polarisation
The area in polarisation region 51 is equal to the second Lei Shang polarisation area in the first kind in the region corresponding with each sub-pixel unit 10 of piece 5
The area in domain 52.For example, as shown in Figure 7a, the lower polarisation region 411 of two first for including in polarisation region 41 under the first kind
The gross area is equal to the gross area in two second that polarisation region 42 under the second class includes lower polarisation regions 421.Wherein, because of human eye
The difference of the brightness of the first polarised light and the brightness of the second polarised light cannot be directly distinguished, so polarisation area under the setting first kind
The area in domain 41 and the area in polarisation region 42 under the second class are unequal, and 3D display also may be implemented.
It further include first be oppositely arranged as shown in Figure 2 and Figure 9 on liquid crystal display panel provided in an embodiment of the present invention
Substrate 1 and the second substrate 2 and the liquid crystal layer 3 between first substrate 1 and the second substrate 2 have on first substrate 1 and intersect
The a plurality of grid line 132 and data line 131 being arranged limit each sub-pixel at 131 crossover location of grid line 132 and data line
Unit 10, as shown in Figure 2.
Specifically, as shown in Fig. 9 and Fig. 2, first substrate 1 be array substrate, first substrate 1 include transparent substrate 11, according to
The secondary buffer layer 12 being set on transparent substrate 11, array of sub-pixel elements layer 13 and lower both alignment layers 14, sub-pixel unit battle array
Column layer 13 includes limiting a plurality of grid line 132 and data line 131 arranged in a crossed manner of array of sub-pixel elements, in 132 and of grid line
The thin film transistor (TFT) 133 of 131 infall of data line formation and the pixel electrode 134 for being formed in each sub-pixel unit region,
Lower both alignment layers 14 are in contact with liquid crystal layer 3, the initial orientation of liquid crystal molecule for the close first substrate 1 to liquid crystal layer 3.It needs
Illustrate, the structure setting of pixel electrode 134 is selected according to the actual situation, herein without limitation.
Specifically, the second substrate 2 is color membrane substrates, including transparent substrates 21, the black matrix being set in transparent substrates 21
22, color blocking layer 23, flatness layer 24, public electrode 24 and upper both alignment layers 26, black matrix 22 have and the sub- picture on first substrate 1
The one-to-one multiple openings of plain unit 10, color blocking layer 23 include one-to-one with the sub-pixel unit 10 on first substrate 1
Multiple color blocking units, in the present embodiment, color blocking layer 23 include red color resistance unit R, green color blocking unit G and blue color blocking
Unit B, the color blocking units of three colors can interlock repeated arrangement on the line direction of color blocking layer 23, in the column side of color blocking layer 23
The color blocking unit of same color is set up, public electrode 24 and pixel electrode, which cooperate, applies the liquid crystal molecule on liquid crystal layer 3
Voltage controls liquid crystal molecule torsion or rotation, and upper both alignment layers 26 are in contact with liquid crystal layer 3, for close the to liquid crystal layer 3
The initial orientation of liquid crystal molecule of two substrates 2, and the frictional direction of upper both alignment layers 26 is identical as the frictional direction of lower both alignment layers 14.It needs
It is noted that public electrode also can be set in array substrate, here without limitation.
Above-mentioned lower wiregrating polaroid 4 is located at the two sides of liquid crystal layer 3 with upper wiregrating polaroid 5.
Specifically, as shown in figure 9, lower wiregrating polaroid 4 is formed on first substrate 1, upper wiregrating polaroid 5 is formed in
On two substrates 2.Wherein, lower wiregrating polaroid 4 is the wire grating polarisation pattern being formed on first substrate 1, upper wiregrating polarisation
Piece 5 is the wire grating polarisation pattern being formed in the second substrate 2；Above-mentioned wire grating polarisation pattern is by nano impression legal system
Make.The design of lower wiregrating polaroid 4 and upper wiregrating polaroid 5, which is not necessarily to individually attach on first substrate 1 and the second substrate 2, to be polarized
Piece increases transmitance, and reduces the general thickness of liquid crystal display panel, be conducive to it is lightening, and save cost.
Wherein, as shown in fig. 4 a, under the first kind polarisation region 41 formed wire grating polarisation pattern extending direction with
The polarization direction in polarisation region 41 is identical under the first kind, and the wire grating polarisation pattern that polarisation region 42 is formed under the second class prolongs
It is identical as the polarization direction in polarisation region 42 under the second class to stretch direction, as shown in Figure 4 b, polarisation region 51 is formed in the first kind
The extending direction of wire grating polarisation pattern is identical as the polarization direction in polarisation region 51 in the first kind, polarisation region in the second class
The extending direction of 52 wire grating polarisation pattern is identical as the polarization direction in polarisation region 52 in the second class.
Optionally, as shown in figure 9, lower wiregrating polaroid 4 is formed in the surface that transparent substrate 11 deviates from transparent substrates 21.
Optionally, lower wiregrating polaroid 4 is formed in transparent substrate 11 towards the side of transparent substrates 21.Lower wiregrating polaroid
4 can be formed in transparent substrate 11 towards the surface of the second substrate 2, that is, wiregrating polaroid 4 is descended to be formed in transparent substrate 11 and delay
It rushes between layer 12, the setting of such lower 4 position of wiregrating polaroid enables to wire grating polarisation pattern to make more accurate, polarisation
Effect is more preferable；Lower wiregrating polaroid 4 can also be formed in (not shown) on the flatness layer in array of sub-pixel elements layer 13.
Optionally, as shown in figure 9, upper wiregrating polaroid 5 is formed in the surface that transparent substrates 21 deviate from transparent substrate 11.
Optionally, upper wiregrating polaroid 5 is formed in transparent substrates 21 towards the side of transparent substrate 11.Upper wiregrating polaroid
5 can be formed in transparent substrates 21 towards the surface of transparent substrate 11, that is, be located at the open region of black matrix 22 in transparent substrates 21
Domain, the setting of such upper 5 position of wiregrating polaroid enable to the production of wire grating polarisation pattern more accurate, and polarization effect is more
It is good；Upper wiregrating polaroid 5 can also be formed on flatness layer 24.
Optionally, when upper wiregrating polaroid 5 is formed in surface of the transparent substrates 21 towards transparent substrate 11, transparent substrates
It can not have to setting black matrix 22 on 21, but the four of upper wiregrating polaroid 5 region corresponding with each sub-pixel unit
It is provided with the metal pattern for shading week, i.e., in the region of former black matrix shading, is directly formed and wire grating polarisation pattern
The metal pattern for stopping light to project of same layer, can reduce the production process of black matrix, improve shading precision, and save
Cost-saving.
In above-mentioned liquid crystal display panel, the polarization direction in polarisation region 41 is parallel under the first kind in lower wiregrating polaroid 4
In the initial orientation of liquid crystal molecule, i.e. the corresponding region of sub-pixel unit 10 is that " E " mode is shown, polarisation region 42 under the second class
Polarization direction perpendicular to the initial orientation of liquid crystal molecule, i.e., the corresponding region of sub-pixel unit 10 is that " O " mode is shown；It is offline
The polarization direction in polarisation region 41 can also be that is, sub perpendicular to the initial orientation of liquid crystal molecule under the first kind in grid polaroid 4
The corresponding region of pixel unit 10 is that " E " mode is shown, and the polarization direction in polarisation region 42 is parallel to liquid crystal point under the second class
The initial orientation of son, the i.e. corresponding region of sub-pixel unit 10 are that " O " mode is shown, herein with no restrictions.
Specifically, after the light that backlight projects enters the lower wiregrating polaroid 4 on first substrate 1, the polarisation under the first kind
Region 41 is formed in parallel with the first line polarisation of the initial orientation of liquid crystal molecule, and polarisation region 42 is formed perpendicular to liquid under the second class
Second line polarisation of the brilliant initial orientation of molecule, effect of first line polarisation by torsion or the rotation of liquid crystal molecule, polarization side
To deflect and by the first kind of upper wiregrating polaroid 5 polarized regions 51 formed for show picture first polarization
Light, the polarization direction of the first polarised light are parallel to the polarization direction in polarisation region 51 in the first kind, and similarly, the second line polarisation is passed through
The effect of torsion or the rotation of liquid crystal molecule, polarization direction deflect and by inclined in the second class of upper wiregrating polaroid 5
Vibration region 52 forms the second polarised light for showing picture, and the polarization direction of the second polarised light is parallel to the second Lei Shang polarisation area
The polarization direction in domain 52.In above-mentioned liquid crystal display panel, since lower wiregrating polaroid 4 and upper wiregrating polaroid 5 are all made of metal
Wiregrating design, transmitance is high compared with traditional polaroid, and the polarization of lower wiregrating polaroid 4 and upper wiregrating polaroid 5 designs
So that there are two mutually orthogonal directions for the emergent light of each sub-pixel unit, it is not necessarily to additional designs image separated structure, i.e.,
3D display can be achieved, the loss of system transmitance is reduced, and then substantially increases the transmitance of liquid crystal display panel, reduces backlight
The power consumption in source.
In the liquid crystal display panel that foregoing invention embodiment provides, display pattern can be many kinds, such as TN
(Twisted Nametic) display pattern, VA (Vertical Alignment) display pattern, IPS (In Plan Switch)
Display pattern and FFS (Fringe Field Switching) display pattern etc..
By taking the liquid crystal display panel of FFS display pattern as an example, most sub-pixel unit is using single domain or the sub- picture on double farmlands
Plain cell array structure.
It is as shown in Figure 10 the sub-pixel unit of one-domain structure, lower wiregrating when array of sub-pixel elements uses one-domain structure
The region corresponding with each sub-pixel unit 10 of polaroid 4 can as shown in fig. 11a, the polarization side in polarisation region 41 under the first kind
To being θ with column direction institute angle degree, the numerical value of θ can be 5 °, 7 ° or 10 °, the polarization side in polarisation region 42 under the second class
To vertical with the polarization direction in polarisation region 41 under the first kind；Correspondingly, upper wiregrating polaroid 5 and each sub-pixel unit 10 are right
The region answered can be as shown in figure 11b.Alternatively, the polarization direction in polarisation region 42 with column direction institute angle degree is under the second class
The numerical value of θ, θ can be 5 °, 7 ° or 10 °, the polarization direction in polarisation region 41 and polarisation region 42 under the second class under the first kind
Polarization direction it is vertical, herein with no restrictions.
When array of sub-pixel elements is using double domain structures, including very double domain structures and pseudo- double domain structures, if Figure 12 a is very double
The sub-pixel unit of domain structure, such as the sub-pixel unit that Figure 12 b is pseudo- double domain structures, lower wiregrating polaroid 4 and each sub-pixel
The corresponding region of unit 10 can be as shown in Fig. 4 a or Fig. 7 a, and the polarization direction in polarisation region 41 and line direction are flat under the first kind
It goes, the polarization direction in polarisation region 42 is vertical with the polarization direction in polarisation region 41 under the first kind under the second class；Correspondingly, online
The region corresponding with each sub-pixel unit 10 of grid polaroid 5 can be as shown in Fig. 4 b or Fig. 7 b.
And by taking the liquid crystal display panel of TN display pattern as an example, lower wiregrating polaroid 4 is corresponding with each sub-pixel unit 10
Region can be as shown in Figure 8 a, the polarization direction in polarisation region 41 and line direction are in 45 ° under the first kind, the second Lei Xia polarisation area
The polarization direction in domain 42 is vertical with the polarization direction in polarisation region 41 under the first kind；Correspondingly, upper wiregrating polaroid 5 and every height
The corresponding region of pixel unit 10 can be as shown in Figure 8 b.
Based on the same inventive concept, the embodiment of the invention also provides a kind of display devices, including any of the above-described embodiment
The liquid crystal display panel of offer.The display device can appoint for mobile phone, tablet computer, television set, display, laptop etc.
What products or components having a display function.Other essential component parts for the display device are this field
Those of ordinary skill should be understood that have, and this will not be repeated here, also should not be taken as limiting the invention.The display device
Implementation may refer to the embodiment of above-mentioned liquid crystal display panel, and overlaps will not be repeated.
To sum up, a kind of liquid crystal display panel provided in an embodiment of the present invention and display device, the liquid crystal display panel include
Array of sub-pixel elements, upper wiregrating polaroid and the lower wiregrating polaroid being made of multiple sub-pixel units；Lower wiregrating polarisation
Piece region corresponding with each sub-pixel unit includes polarisation region under polarisation region and the second class under the first kind, and the first kind
The polarization direction in lower polarisation region and the polarization direction in polarisation region under the second class are mutually perpendicular to, upper wiregrating polaroid and every height
The corresponding region of pixel unit include in the first kind corresponding with polarisation region under the first kind polarisation region and under the second class
Polarisation region in corresponding second class in polarisation region, and polarisation region under the polarization direction in polarisation region and the first kind in the first kind
Polarization direction be mutually perpendicular to, the polarization direction in polarisation region and the polarization direction in polarisation region under the second class are mutual in the second class
Vertically.In above-mentioned liquid crystal display panel, since lower wiregrating polaroid 4 and upper wiregrating polaroid 5 are all made of wire grating design, with
Traditional polaroid is high compared to transmitance, and the design of the polarization of lower wiregrating polaroid 4 and upper wiregrating polaroid 5 is so that each height
The emergent light of pixel unit is directly changed into polarization direction under the cooperation of upper wiregrating polaroid and lower wiregrating polaroid and mutually hangs down
Two kinds of straight polarised lights are not necessarily to additional designs image separated structure, 3D picture can be realized and show, the loss of system transmitance subtracts
It is few, and then the transmitance of liquid crystal display panel is substantially increased, reduce the power consumption of backlight.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (14)
1. a kind of liquid crystal display panel, which is characterized in that including be made of multiple sub-pixel units array of sub-pixel elements, on
Wiregrating polaroid and lower wiregrating polaroid；It wraps in lower wiregrating polaroid region corresponding with each sub-pixel unit
Include under the first kind that under polarisation region and the second class polarisation region, the polarization direction and described second in polarisation region under the first kind
The polarization direction in polarisation region is vertical under class, and upper wiregrating polaroid region corresponding with each sub-pixel unit is wrapped
Include in the first kind that on polarisation region and the second class polarisation region, polarisation region is on the lower wiregrating polaroid in the first kind
Orthographic projection it is Chong Die with polarisation region under the first kind, polarisation region is on the lower wiregrating polaroid in second class
Orthographic projection is Chong Die with polarisation region under second class, in the first kind under the polarization direction in polarisation region and the first kind
The polarization direction in polarisation region is vertical, the polarization direction in polarisation region and polarisation region under second class in second class
Polarization direction is vertical.
2. liquid crystal display panel according to claim 1, which is characterized in that
Polarisation region includes at least one first lower polarisation region under the first kind, and polarisation region includes extremely under second class
Few one second lower polarisation region, the polarization side of the polarization direction in the described first lower polarisation region and the described second lower polarisation region
To vertical；
Polarisation region includes descending polarisation region on polarisation region one-to-one first with described first in the first kind, described
In second class polarisation region include with polarisation region on the described second lower polarisation region one-to-one second, on described first partially
The polarization direction in light region is vertical with the described first lower polarization direction in polarisation region, the polarization side in polarisation region on described second
Descend the polarization direction in polarisation region vertical to described second；
Wherein, line direction of the polarisation region in the array of sub-pixel elements under the described first lower polarisation region and described second
And/or it is staggered on column direction.
3. liquid crystal display panel according to claim 2, which is characterized in that polarisation region includes one under the first kind
First lower polarisation region, polarisation region includes one second lower polarisation region, the described first lower polarisation region under second class
It is arranged with the described second lower polarisation region along column direction；Alternatively,
Polarisation region includes two first lower polarisation regions under the first kind, and polarisation region includes two the under second class
Two lower polarisation regions, two described first lower polarisation regions arranged with two described second lower polarisation regions in 2*2 array and
It is staggered on line direction and on column direction.
4. liquid crystal display panel according to claim 2, which is characterized in that the polarization direction in the described first lower polarisation region
It is parallel to column direction, the polarization direction in the described second lower polarisation region is parallel to line direction, and polarisation region is inclined on described first
Vibration is oriented parallel to line direction, and the polarization direction in polarisation region is parallel to column direction on described second.
5. liquid crystal display panel according to claim 2, which is characterized in that the polarization direction in the described first lower polarisation region
It is in 45 degree of angles with line direction, the polarization direction in the described second lower polarisation region and line direction are in 135 degree of angles, polarisation on described first
The polarization direction in region and line direction are in 135 degree of angles, and the polarization direction in polarisation region and line direction are in 45 degree of angles on described second.
6. liquid crystal display panel according to claim 1, which is characterized in that the area etc. in polarisation region under the first kind
The area in polarisation region under second class.
7. liquid crystal display panel according to claim 1, which is characterized in that further include the first substrate being oppositely arranged and
Two substrates and the liquid crystal layer between the first substrate and the second substrate have on the first substrate arranged in a crossed manner
Each sub-pixel unit is limited at a plurality of grid line and data line, the grid line and data line crossover location.
8. liquid crystal display panel according to claim 7, which is characterized in that the lower wiregrating polaroid is positioned at described the
Wire grating polarisation pattern on one substrate, the upper wiregrating polaroid are the wire grating polarisation in the second substrate
Pattern, the wire grating polarisation pattern are made by nano-imprint method.
9. liquid crystal display panel according to claim 8, which is characterized in that the first substrate is array substrate, described
Array substrate includes transparent substrate, and the second substrate is color membrane substrates, and the color membrane substrates include transparent substrates.
10. liquid crystal display panel according to claim 9, which is characterized in that the lower wiregrating polaroid is located at described
Bright substrate deviates from the surface of the transparent substrates.
11. liquid crystal display panel according to claim 9, which is characterized in that the lower wiregrating polaroid is located at described
Bright substrate is towards the side of the transparent substrates.
12. liquid crystal display panel according to claim 9, which is characterized in that the upper wiregrating polaroid is located at described
Bright substrate deviates from the surface of the transparent substrate.
13. liquid crystal display panel according to claim 9, which is characterized in that the upper wiregrating polaroid is located at described
Bright substrate is towards the surface of the transparent substrate, and the four of upper wiregrating polaroid region corresponding with each sub-pixel unit
It is provided with the metal pattern for shading week.
14. a kind of display device, which is characterized in that including such as described in any item liquid crystal display panels of claim 1-13.
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