CN106483707B - Colour filter for liquid crystal display and preparation method thereof and liquid crystal display - Google Patents
Colour filter for liquid crystal display and preparation method thereof and liquid crystal display Download PDFInfo
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- CN106483707B CN106483707B CN201611255360.1A CN201611255360A CN106483707B CN 106483707 B CN106483707 B CN 106483707B CN 201611255360 A CN201611255360 A CN 201611255360A CN 106483707 B CN106483707 B CN 106483707B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 239000011159 matrix material Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims description 79
- 239000011347 resin Substances 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 29
- 239000012780 transparent material Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000002834 transmittance Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 237
- 239000000203 mixture Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Optical Filters (AREA)
Abstract
The present invention relates to field of liquid crystal, disclose a kind of colour filter for liquid crystal display and preparation method thereof and liquid crystal display, the colour filter includes having the first sub-pixel area domain, the substrate (50) and the black matrix" (51) on the substrate of second subpixel area and third subpixel area, the black matrix" includes and the first sub-pixel area domain, second subpixel area and corresponding first opening (510) of third subpixel area, second opening (511) and third opening (512), colour filter includes and described first is open, second opening and the corresponding first colored sub-pixels layer (520) of third opening, second colored sub-pixels layer (521) and third colored sub-pixels layer (522) and white at least one of above three colored sub-pixels layer Pixel layer (523).The colour filter has good color blending effect and higher light transmittance, which can be improved to the brightness and resolution ratio of liquid crystal display.
Description
Technical field
The present invention relates to field of liquid crystal, and in particular, to a kind of colour filter and its system for liquid crystal display
Preparation Method and liquid crystal display.
Background technique
Liquid crystal display (Liquid Crystal Display) is the display equipment of planar ultra-thin, it is by certain amount
Colour or monochrome pixels composition, be placed in front of light source or reflecting surface.Liquid crystal display power consumption is very low, therefore by engineering
Teacher's favor, suitable for using the electronic equipment of battery.Its cardinal principle is to generate point, line, surface with electric current stimulation liquid crystal molecule
Back fluorescent tube is cooperated to constitute picture.
Colored filter (Color Filter) is a kind of optical filter of apparent color, it can accurately select to be intended to lead to
The small range wave band light wave crossed, and reflect away other be not intended to by wave band.CF is the critical component of LCD colorization.LCD is
The display of non-active luminous component, color must enter through the environment of internal backlight module (penetrating type LCD) or outside
It penetrates light (reflection-type or semi penetration type LCD) and light source is provided, then arrange in pairs or groups and drive IC (Drive IC) and liquid crystal (Liquid
Crystal) control forms grayscale and shows (Gray Scale), then penetrates red (R) of colored filter, green (G), and blue (B) is color
Chromatograph provides form and aspect (Chromacity), forms colored display picture.
Fig. 1 is the schematic diagram of the section structure of LCD provided by the prior art.LCD includes the base with color filter film 110
Plate 11, array substrate 10 and it is interposed in the substrate 11 with color filter film and the liquid crystal layer 12 between array substrate 10,
Middle colour color filter 110 is opposite with liquid crystal layer 12.
As shown in Figure 2 a, in the color filter film of script, corresponding three sub-pixels of a pixel, i.e., one independent
Pixel corresponds to tri- sub-pixels of R, G, B.In order to promote the brightness of screen, the structure of the color filter film of script has been done such as Fig. 2 b
Shown in change, this technology is referred to as RGBW, i.e., except tri- sub-pixels of R, G, B, increase by one be displayed in white (W)
Sub-pixel (sub-pixel can be made of clear material), then two independent pixels share five sub-pixels, in this way, not only being promoted
The brightness of screen, and since the quantity of the sub-pixel under same resolution ratio has been lacked much, greatly reduce cost.
Fig. 3 shows the substrate 40 with color filter film for being used for liquid crystal display in the prior art, on the substrate
Color filter film 44 just uses RGBW technology.But farther out due to tri- from R, G, B sub-pixels of W sub-pixel, color blending effect is not
It is good, and resolution ratio is lower.Ito film layer 47 is formed in the side away from color filter film 44 of substrate 40.
Fig. 4 a-4h shows the preparation method of the substrate shown in Fig. 3 with color filter film, and this method generally comprises
Following steps:
In fig.4, on the substrate 40 by light screening material deposition, and it is patterned into black matrix" 41.Wherein, substrate 40 includes
Four subpixel areas are formed with the 420, second opening of the first opening corresponding with each subpixel area in black matrix" 41
421, the 422, the 4th opening 423 of third opening.
In fig. 4b, red light-sensitive material 43 is deposited on the substrate 40 with black matrix" 41.
In Fig. 4 c, red 43 composition of light-sensitive material is formed into red sub-pixel layer 44a in the first opening 420.
In figure 4d, green photosensitive material is deposited on the substrate 40 with red sub-pixel layer 44a, and composition so as to
Green sub-pixels layer 44b is formed in the second opening 421.The wherein formation of green sub-pixels layer 44b and red sub-pixel layer 44a
Method is identical.
In Fig. 4 e and 4f, by with form the identical method of green sub-pixels layer 44b and red sub-pixel layer 44a the
Blue subpixels layer 44c and white sub-pixels layer 44d are formed accordingly in three openings 422 and the 4th opening 423, it is then, colored
Color filter 44 includes red sub-pixel layer 44a, green sub-pixels layer 44b, blue subpixels layer 44c and white sub-pixels layer 44d.
In figure 4g, levelling blanket 45 is formed on color filter film 44.
In Fig. 4 h, composition forms prismatic layer 46 on levelling blanket 45.
Summary of the invention
The object of the present invention is to provide a kind of colour filter for liquid crystal display, which imitates with good colour mixture
Fruit and higher light transmittance, in addition, the colour filter can be improved the brightness and resolution ratio of liquid crystal display.
To achieve the goals above, the present invention provides a kind of colour filter for liquid crystal display, which is characterized in that the filter
Color chips includes having the first sub-pixel area domain, the substrate of the second subpixel area and third subpixel area and positioned at the base
Black matrix" on plate, the black matrix" include and the first sub-pixel area domain, second subpixel area and described
Corresponding first opening of third subpixel area, the second opening and third opening, the colour filter further includes colour filter, described
Colour filter include with first opening, second opening and the corresponding first colored sub-pixels layer of third opening,
Second colored sub-pixels layer and third colored sub-pixels layer and be located at the first colored sub-pixels layer, the second colored sub-pixels
The white sub-pixels layer at least one colored sub-pixels layer in layer and third colored sub-pixels layer.
Preferably, the thickness of the white sub-pixels layer is lower than the thickness of the black matrix".
Preferably, the difference of the thickness of the thickness and black matrix" of the white sub-pixels layer is not more than 0.2 μm；It is described
The width of white sub-pixels layer is not more than the 2/3 of the width of corresponding colored sub-pixels layer.
Preferably, the width direction of opening corresponding to corresponding colored sub-pixels layer is arranged in the white sub-pixels layer
Center, corresponding colored sub-pixels layer is covered on the white sub-pixels layer and extends to the width of the opening
Spend the both sides of the edge in direction.
Preferably, along the length direction of the corresponding colored sub-pixels layer at least one corresponding colored sub-pixels layer
It is arranged at intervals with multiple white sub-pixels layers.
Preferably, the colour filter include the flatness layer being formed on the colour filter and on the flatness layer between
Interlayer.
Preferably, the top of black matrix" of the wall between two adjacent colored sub-pixels layers.
Preferably, the flatness layer with a thickness of 0.5-4 μm；The wall with a thickness of 2-4 μm；The flatness layer by
Transparent material is made；The wall is made of clear material.
Preferably, the first colored sub-pixels layer, the second colored sub-pixels layer and the third colored sub-pixels
Layer is prepared by red resin, green resin and blue resins respectively to be formed；The white sub-pixels layer prepares shape by transparent material
At；The black matrix" is prepared by light screening material to be formed.
In the above-mentioned technical solutions, by having in the first colored sub-pixels layer, the second colored sub-pixels layer and third
The setting white sub-pixels layer at least one colored sub-pixels layer in sub-pixels layer, so that the colour filter has well
Color blending effect and higher light transmittance, by the colour filter be applied to liquid crystal display in when, can be improved liquid crystal
Show the screen intensity and resolution ratio of device.
Another object of the present invention is to provide a kind of preparation method of colour filter for liquid crystal display, including it is following
Step:
S1, is deposited on the substrate with the first sub-pixel area domain, the second subpixel area and third subpixel area
One material forms black matrix", and forms the black matrix" and the first sub-pixel area domain, second sub-pixel area
Domain and corresponding first opening of the third subpixel area, the second opening and third opening；
S2, depositing second material forms white picture in first opening, second opening and the third are open
Plain layer；
S3, the white pixel layer formation after, it is described first opening, it is described second opening and the third opening
Middle to deposit third material, the 4th material and the 5th material respectively, being respectively formed first with the outside in the white pixel layer has
Sub-pixels layer, the second colored sub-pixels layer and third colored sub-pixels layer.
Preferably, the preparation method provided by the present invention for the colour filter of liquid crystal display the following steps are included:
S4, the 6th material is deposited on the first colored sub-pixels layer to be formed, the second colored sub-pixels layer and
To form flatness layer on the third colored sub-pixels layer；
S5, the 7th material is deposited on the flat laye to form wall.
Preferably, first material is light screening material；The third material, the 4th material and the 5th material
Respectively red resin, green resin and blue resins；Second material is transparent material；6th material is transparent material
Material；7th material is transparent material.
Preferably, in the step S2, the thickness of the white pixel layer of formation is deposited lower than the black matrix"
Thickness.
Preferably, the difference of the thickness of the thickness and black matrix" of the white sub-pixels layer is not more than 0.2 μm.
Another object of the present invention is to provide a kind of liquid crystal display, which includes provided by the present invention
The preparation method preparation of colour filter or the colour filter provided by the present invention for liquid crystal display for liquid crystal display
Obtained colour filter, the liquid crystal display further include the array substrate being oppositely arranged with the optical filter and be located at the optical filtering
Liquid crystal between piece and the array substrate.It is applied to by the colour filter that the provided by the invention or present invention is prepared
In liquid crystal display, the brightness and rate, and the ash that liquid crystal display is presented respectively of liquid crystal display can be improved
Rank and brightness uniformity.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the section structure of the LCD according to provided by the prior art；
Fig. 2 a is the pixel arrangement schematic diagram in color filter film according to prior art；
Fig. 2 b is according to the pixel arrangement schematic diagram in the color filter film after existing RGBW technical optimization；
Fig. 3 is the cross-section structure signal for the substrate with color filter film of liquid crystal display according to prior art
Figure；
Fig. 4 a-4h is that the preparation method of the substrate with color filter film shown in Fig. 3 for liquid crystal display is shown
It is intended to；
Fig. 5 is the schematic diagram of the section structure of the colour filter according to the preferred embodiment of the present invention for liquid crystal display；
Fig. 6 is the preferred arrangement schematic diagram of the sub- picture element layer in the colour filter of colour filter shown in Fig. 5；
Fig. 7 is the preferred arrangement schematic diagram of another kind of the sub- picture element layer in the colour filter of colour filter shown in Fig. 5；
Fig. 8 be region P shown in fig. 7 also not set first colored sub-pixels layer when schematic perspective view；
Fig. 9 a-9e is the preparation method schematic diagram shown in Fig. 5 for the colour filter of liquid crystal display；
Figure 10 is pair obtained according to the light transmittance of each colored sub-pixels layer in measurement colour filter 1 and colour filter 1*
Than figure, wherein solid line expression is obtained by measurement colour filter 1, and dotted line expression is obtained by measurement colour filter 1*.
Description of symbols
10 array substrate, 45 levelling blanket
11 substrate, 46 prismatic layer
110 color filter film, 47 ito film layer
12 liquid crystal layer, 50 substrate
40 substrate, 51 black matrix"
41 black matrix"s 510 first opening
420 first opening, 511 second opening
421 second opening 512 thirds openings
422 thirds, 52 colour filters of opening
423 the 4th 520 first colored sub-pixels layers of opening
43 521 second colored sub-pixels layers of red light-sensitive material
44 color filter film, 522 third colored sub-pixels layer
523 white sub-pixels layer of 44a red sub-pixel layer
53 flatness layer of 44b green sub-pixels layer
54 wall of 44c blue subpixels layer
55 public electrode of 44d white sub-pixels layer
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of colour filter for liquid crystal display, which includes having the first sub-pixel area
The substrate 50 in domain, the second subpixel area and third subpixel area and the black matrix" 51 on substrate 50, black square
Battle array 51 includes corresponding with the first sub-pixel area domain, second subpixel area and the third subpixel area the
One the 510, second opening 511 of opening and third opening 512, the colour filter further includes colour filter 52, and colour filter 52 includes and the
One the 510, second opening 511 of opening and third opening 512 corresponding first colored sub-pixels layers 520, the second colored sub-pixels
Layer 521 and third colored sub-pixels layer 522 and it is located at the first colored sub-pixels layer 520, the second colored sub-pixels layer 521 and the
The white sub-pixels layer 523 at least one colored sub-pixels layer in three colored sub-pixels layers 522.Due to having dice first
In at least one colored sub-pixels layer in pixel layer 520, the second colored sub-pixels layer 521 and third colored sub-pixels layer 522
White sub-pixels layer 523 is set.Therefore, which has good color blending effect and higher light transmittance, should
When colour filter is applied in liquid crystal display, the screen intensity and resolution ratio of liquid crystal display can be improved.It needs to illustrate
It is that glass substrate can be selected in substrate 50, black matrix" 51 can pass through composition after the deposition light screening material on the glass substrate of selection
It is formed, black matrix" 51 can prevent each colored sub-pixels layer colour mixture, while increase the contrast of liquid crystal display, about black
The preparation method of colour moment battle array 51 will be described in the content below, and details are not described herein again.As for the first colored sub-pixels layer
520, the second colored sub-pixels layer 521 and third colored sub-pixels layer 522 and white sub-pixels layer 523 are also by will be corresponding
Material deposition then composition formed, wherein the first colored sub-pixels layer 520, the second colored sub-pixels layer 521 and third are coloured
Sub-pixel layer 522 and white sub-pixels layer 523 can be all by red resin, green resin, blue resins and transparent material respectively
Such as polymethyl methacrylate organic resin material prepares to be formed, it is to be understood that white sub-pixels layer 523 is transparent
Color, in addition red resin, green resin, blue resins and transparent material are both preferably light-sensitive material.In addition, each have dice picture
The color that plain layer is presented also is not limited to above-mentioned color, can be selected according to actual needs completely.
As shown in Figure 5, white sub-pixels layer 523 is preferably provided at opening corresponding to corresponding colored sub-pixels layer
The center of width direction, and corresponding colored sub-pixels layer is then covered on white sub-pixels layer 523, it is possible to understand that
It is imbedded in corresponding colored sub-pixels layer for white sub-pixels layer 523.Corresponding colored sub-pixels layer preferably prolongs
The both sides of the edge of the width direction of the corresponding opening are extended to, that is, cover corresponding opening.Setting white in this way
Sub-pixel layer 523 and corresponding colored sub-pixels layer, can further increase mixed effect and light transmittance and resolution ratio, together
When, so that preparing for the colour filter is simpler, such as after black matrix" 51 prepares, directly deposited in corresponding opening
White sub-pixels layer 523 is formed, corresponding colored sub-pixels layer covering colored sub-pixels layer and corresponding opening are then re-formed.
In terms of orientation shown in fig. 5, the width direction of the corresponding opening should be understood as the left and right directions of the corresponding opening.
Further, it may be preferred that making the thickness of white sub-pixels layer 523 lower than the thickness of black matrix" 51.In this way, to cover
The corresponding colored sub-pixels layer covered on white sub-pixels layer 523 will not generate segment difference, that is to say, that can avoid having accordingly
There is the phenomenon that swelling or collapsing during formation in sub-pixels layer, effectively increases corresponding colored sub-pixels layer
Surface smoothness, to enable to liquid crystal when combining to form liquid crystal display the colour filter with corresponding array substrate
The grayscale and brightness uniformity of display, specifically, so that the thickness of white sub-pixels layer 523 is lower than the thickness of black matrix" 51
Degree, the segment difference that can will be covered in the corresponding colored sub-pixels layer of white sub-pixels layer 523 are controlled in the range less than 0.1 μm
It is interior.Further, the difference of the thickness of the thickness of white sub-pixels layer 523 and black matrix" 51 is preferably not greater than 0.2 μm；This
Outside, it also may make the width of white sub-pixels layer 523 no more than the 2/3 of the width of corresponding colored sub-pixels layer, in this way can
Further increase the surface smoothness of corresponding colored sub-pixels layer.In addition, by the thickness of white sub-pixels layer 523 prepare compared with
It is low, additionally it is possible to avoid flowing to adjacent colored sub-pixels area when being coated with corresponding colored materials on white sub-pixels layer 523
There is the phenomenon that repeatedly color in domain, further improves the surface smoothness of color blending effect and corresponding colored sub-pixels layer.From Fig. 5
Shown in orientation see that the width of white sub-pixels layer 523 should be understood as the distance between the left and right of white sub-pixels layer 523,
Likewise, the width of each colored sub-pixels layer can be understood that so it will not be repeated in the manner described above.
Setting number and set-up mode of the white sub-pixels layer 523 in corresponding colored sub-pixels layer are not exposed to tool
Body limitation.For example, as shown in Figure 6, when white sub-pixels layer 523 is 1, may make the white sub-pixels layer 523 along phase
The length direction of the colored sub-pixels layer answered such as the first colored sub-pixels layer 520 extends.In addition, multiple such as 3 whites when being arranged
When sub-pixel layer 523, as shown in Figures 7 and 8, there is dice accordingly along this at least one corresponding colored sub-pixels layer
Multiple white sub-pixels layers 523 are arranged in the length direction interval of pixel layer.Since multiple white sub-pixels layers 523 are arranged at intervals on
In corresponding colored sub-pixels layer, it is formed with gap between two adjacent white sub-pixels layers 523, it then can in gap
The colouring resin for more forming corresponding colored sub-pixels layer is accommodated, so that the surface of the colored sub-pixels layer formed is more flat
It is whole.From angle shown in fig. 5, the length direction of colored sub-pixels layer should be understood as the front-rear direction of the colored sub-pixels layer.
In addition, also flatness layer 53 can be arranged on colour filter 52 to further increase the flatness of colour filter 52, it is preferable that
Flatness layer 53 with a thickness of 0.5-4 μm, further, the thickness of flatness layer 53 is preferably 2 μm.And it is formed on flatness layer 53
The two can be spaced apart when combining the colour filter with array substrate to filling liquid between by wall 54
Brilliant material, it is preferable that wall 54 with a thickness of 2-4 μm, further, the thickness of wall 54 is preferably 3.3 μm.Wall
54 are preferably in the form of a column.It is understood that flatness layer 53 is made of clear material, wall 54 is made of clear material.In addition,
Wall 54 cannot block the light appeared that each colored sub-pixels layer goes out in setting as far as possible, and wall 54 is preferably placed at adjacent
Two colored sub-pixels layers between black matrix" 51 top.It should be pointed out that flatness layer 53 can pass through deposition cure
It is formed, wall 54 is also to select to form corresponding material deposition and then composition.
Ito film layer is deposited in the side opposite with colour filter 52 of substrate 50 to constitute common electrode layer 55.
The present invention also provides a kind of preparation methods of colour filter for liquid crystal display, particularly, the preparation method
Suitable for preparing the colour filter provided by the present invention for liquid crystal display, the preparation method of colour filter includes the following steps.
As shown in Figure 9 a, in the base with the first sub-pixel area domain, the second subpixel area and third subpixel area
The first material is deposited on plate 50 and forms black matrix" 51, and forms black matrix" 51 and the first sub-pixel area domain, described
Second subpixel area and corresponding the 510, second opening 511 of first opening of the third subpixel area and third opening
512。
Wherein, first material is preferably light screening material, which is deposited on substrate 50, is then had
It exposes under the action of the light shield (i.e. mask plate) of light transmission part and shading light part, develops later, ultimately forming has and described the
One subpixel area, second subpixel area and corresponding first opening 510, second of the third subpixel area are opened
The black matrix" 51 of mouth 511 and third opening 512.It can distinguish in first the 510, second opening 511 of opening and third opening 512
The first colored sub-pixels layer 520 of corresponding covering such as red sub-pixel layer, the second colored sub-pixels layer 521 such as green
Pixel layer and such as blue subpixels layer of third colored sub-pixels layer 522.
As shown in Figure 9 b, depositing second material is formed in first the 510, second opening 511 of opening and third opening 512
White pixel layer 523.Preferably, the second material is deposited on to the center of the width direction of corresponding opening, it is possible to understand that
, the white sub-pixels layer 523 of formation is not in contact with adjacent black matrix" 51.
Wherein, the second material is preferably the organic resin materials such as transparent material such as polymethyl methacrylate.Have
The transparent material is deposited on the substrate 50 of black matrix" 51, is then exposed under the action of light shield, development later forms white picture
Plain layer 523.Further, it may be preferred that the thickness of white sub-pixels layer 523 is made to be lower than the thickness of black matrix" 51, can will be covered in
The segment difference of the corresponding colored sub-pixels layer of white sub-pixels layer 523 controls coloured to improve in the range of less than 0.1 μm
The surface smoothness of sub-pixel layer.Further, the difference of the thickness of the thickness of white sub-pixels layer 523 and black matrix" 51 is preferred
For no more than 0.2 μm；In addition, the width of white sub-pixels layer 523 also may make to be not more than the width of corresponding colored sub-pixels layer
The 2/3 of degree, can further increase the surface smoothness of corresponding colored sub-pixels layer in this way.
In the specific preparation process of white sub-pixels layer 523, it may be selected to form 1 white in corresponding opening
Pixel layer 523 or multiple such as 3 white sub-pixels layers 523, when being formed with 1, so that white sub-pixels layer 523 is along correspondence
The length direction of opening extend the length direction of corresponding colored sub-pixels layer being namely covered on it after and extend；
When being formed with multiple, so that length direction interval formation i.e. edge of multiple white sub-pixels layers 523 along corresponding opening
The length direction interval for the corresponding colored sub-pixels layer being covered on it later is formed, white sub-pixels layer adjacent in this way
Gap is formed between 523 can fill the material of corresponding colored sub-pixels layer formed more.
As shown in Fig. 9 c, third material is deposited respectively in first the 510, second opening 511 of opening and third opening 512
Material, the 4th material and the 5th material, are respectively formed the first colored sub-pixels layer 520, second with the outside in white pixel layer 523
Colored sub-pixels layer 521 and third colored sub-pixels layer 522.Preferably, so that the first colored sub-pixels layer 520, second is coloured
Sub-pixel layer 521 and third colored sub-pixels layer 522 can cover corresponding opening and can also cover the sub- picture of white
Plain layer 523.
Wherein, third material, the 4th material and the 5th material are respectively preferably red resin, green resin and blue tree
Rouge, then the first colored sub-pixels layer 520, the second colored sub-pixels layer 521 and third colored sub-pixels layer 522 are corresponding respectively
For white sub-pixels layer, green sub-pixels layer and blue subpixels layer.Red resin, green resin and blue resins are photosensitive
Material.When preparing red sub-pixel layer, red resin is deposited on the substrate 50 with white sub-pixels layer 523, then
It is exposed under the action of with the light shield of light transmission part and shading light part, when red resin is the eurymeric light that exposed portion is removed
When quick material, the shading light part of light shield corresponds to corresponding opening i.e. the first opening 510, when red resin is exposed portion reservation
When the negative type photosensitive material to get off, the light transmission part of light shield corresponds to the first opening 510, and later, development forms red sub-pixel
Layer.The 4th material is deposited on the substrate 50 with red sub-pixel layer, and preparation side identical with red sub-pixel layer can be selected
Method is formed in green sub-pixels layer at corresponding the i.e. second opening 511 of opening.Likewise, by red and green with formation
The identical method of sub-pixel layer forms blue subpixels layer at third opening 512.
After the completion of the preparation of each colored sub-pixels layer, as shown in Fig. 9 d, the 6th material, which is deposited on first, dice
To form flatness layer 53 on pixel layer 520, the second colored sub-pixels layer 521 and third colored sub-pixels layer 522.Flatness layer 53 can
To be formed by curing after deposit.Preferably, so that formed flatness layer 53 with a thickness of 0.5-4 μm, further, flatness layer 53
Thickness be preferably 2 μm.It is understood that in order to not influence the light appeared at each colored sub-pixels layer, the 6th material
Material is the organic resin materials such as transparent material such as polymethyl methacrylate.
As seen in Fig. 9e, the 7th material is deposited on flatness layer 53 to form wall 54.It is deposited when by the 7th material
Afterwards, it is exposed under the action of light shield, then development forms wall 54.Wherein, wall 54 can be in the form of a column, in addition, may make
The wall 54 of formation with a thickness of 2-4 μm, further, the thickness of wall 54 is preferably 3.3 μm.It is each in order not to block
The light appeared at colored sub-pixels layer may make wall 54 to be formed in the black square between two adjacent colored sub-pixels layers
The top of battle array 51.7th material can be transparent material, may be, for example, minus photoresist, wherein do not add any colored pigment or
Person's dyestuff.
Plated film, which is carried out, in the side opposite with black matrix" 51 of substrate 50 forms public electrode 55, the material that wherein film is selected
Material is ITO.
Invention further provides a kind of liquid crystal display, which includes provided by the present invention for liquid crystal
The colour filter that the preparation method of the colour filter or the colour filter provided by the present invention for liquid crystal display that show device is prepared
Piece, the liquid crystal display further include the array substrate being oppositely arranged with the optical filter and be located at the optical filter and the battle array
Liquid crystal between column substrate.It is applied to liquid crystal display by the colour filter that the provided by the invention or present invention is prepared
In, it can be improved the color blending effect and resolution ratio of liquid crystal display.
Below the colour filter provided by the present invention for being used for liquid crystal display will be further illustrated by specifically comparison
Effect.
Colour filter 1 (is provided) by the preferred embodiment for the present invention: its structure is as shown in Figure 5, which includes having
The substrate 50 in the first sub-pixel area domain, the second subpixel area and third subpixel area and the black square on substrate 50
Battle array 51, black matrix" 51 include and the first sub-pixel area domain, second subpixel area and the third sub-pixel area
Corresponding the 510, second opening 511 of first opening in domain and third opening 512, the colour filter further includes colour filter 52, colour filter
Layer 52 include and first opening 510, second opening 511 and third opening 512 corresponding red sub-pixels layers, green sub-pixels layer
With blue subpixels layer and the white sub-pixels layer in red sub-pixels layer, green sub-pixels layer and blue subpixels layer
523.Wherein, red sub-pixel layer with a thickness of 2.35 μm, green sub-pixels layer with a thickness of 2.31 μm, blue subpixels layer
With a thickness of 1.97 μm, in each colored sub-pixels layer, white sub-pixels layer 523 is three, each white sub-pixels layer
523 with a thickness of 1 μm, width is 20 μm, and length is 40 μm.
Colour filter 1* (comparative example): it is essentially identical with the structure of colour filter 1, will only it be located in each colored sub-pixels layer
White sub-pixels layer 523 remove.
The colorimetric instrument that the model MCPD provided by Japanese great Zhong company is provided, to above-mentioned colour filter 1 and colour filter
The chromatic value of each colored sub-pixels layer in 1* measures, and measures to light transmittance, result such as the following table 1 with
And shown in Figure 10.
Table 1
As shown in above-mentioned table 1 and Figure 10, it is known that the colour filter provided by the present invention for liquid crystal display
In, although being only provided with the white sub-pixels layer of smaller size in each colored sub-pixels layer, the light of colour filter is worn
Saturating rate has obtained biggish promotion.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (15)
1. a kind of colour filter for liquid crystal display, which is characterized in that the colour filter includes with the first sub-pixel area domain, the
The substrate (50) and the black matrix" (51) on the substrate (50) of two subpixel areas and third subpixel area, institute
Stating black matrix" (51) includes and the first sub-pixel area domain, second subpixel area and the third subpixel area
Corresponding first opening (510), the second opening (511) and third opening (512), the colour filter further includes colour filter
(52), the colour filter (52) includes being open with first opening (510), second opening (511) and the third
(512) corresponding first colored sub-pixels layer (520), the second colored sub-pixels layer (521) and third colored sub-pixels layer
(522) and positioned at the first colored sub-pixels layer (520), the second colored sub-pixels layer (521) and third colored sub-pixels
The white sub-pixels layer (523) at least one colored sub-pixels layer in layer (522), the white sub-pixels layer (523) are covered
It covers on the substrate (50), corresponding colored sub-pixels layer is covered on the white sub-pixels layer (523) and extends
To the both sides of the edge of the width direction of the opening.
2. the colour filter according to claim 1 for liquid crystal display, which is characterized in that the white sub-pixels layer
(523) thickness is lower than the thickness of the black matrix" (51).
3. the colour filter according to claim 2 for liquid crystal display, which is characterized in that the white sub-pixels layer
(523) difference of the thickness of thickness and the black matrix" (51) is not more than 0.2 μm；The width of the white sub-pixels layer (523)
Degree is not more than the 2/3 of the width of corresponding colored sub-pixels layer.
4. the colour filter according to claim 1 for liquid crystal display, which is characterized in that the white sub-pixels layer
(523) center of the width direction of opening corresponding to corresponding colored sub-pixels layer is set.
5. the colour filter according to claim 1 for liquid crystal display, which is characterized in that have accordingly at least one
Length direction in sub-pixels layer along the corresponding colored sub-pixels layer is arranged at intervals with multiple white sub-pixels layers
(523)。
6. the colour filter according to claim 1 for liquid crystal display, which is characterized in that the colour filter includes being formed in
Flatness layer (53) on the colour filter (52) and the wall (54) on the flatness layer (53).
7. the colour filter according to claim 6 for liquid crystal display, which is characterized in that the wall (54) is located at
The top of black matrix" (51) between two adjacent colored sub-pixels layers.
8. the colour filter according to claim 6 for liquid crystal display, which is characterized in that the thickness of the flatness layer (53)
Degree is 0.5-4 μm；The wall (54) with a thickness of 2-4 μm；The flatness layer (53) is made of clear material；The interval
Layer (54) is made of clear material.
9. the colour filter of liquid crystal display is used for described in any one of -8 according to claim 1, which is characterized in that described the
One colored sub-pixels layer (520), the second colored sub-pixels layer (521) and the third colored sub-pixels layer (522) are respectively
It is prepared and is formed by red resin, green resin and blue resins；The white sub-pixels layer (523) prepares shape by transparent material
At；The black matrix" (51) is prepared by light screening material to be formed.
10. a kind of preparation method of the colour filter for liquid crystal display, which comprises the following steps:
S1, is deposited on the substrate (50) with the first sub-pixel area domain, the second subpixel area and third subpixel area
One material forms black matrix" (51), and forms the black matrix" (51) and the first sub-pixel area domain, described second
Subpixel area and corresponding first opening (510) of the third subpixel area, the second opening (511) and third opening
(512)；
S2, it is described first opening (510), it is described second opening (511) and the third opening (512) interior depositing second material
It is formed white pixel layer (523)；
S3, the white pixel layer (523) formed after, it is described first opening (510), it is described second opening (511) and
Third material, the 4th material and the 5th material are deposited respectively in the third opening (512), in the white pixel layer
(523) outside, which is respectively formed the first colored sub-pixels layer (520), the second colored sub-pixels layer (521) and third, dice picture
Plain layer (522).
11. the preparation method of the colour filter according to claim 10 for liquid crystal display, which is characterized in that including with
Lower step:
S4, the 6th material is deposited on to the first colored sub-pixels layer (520) to be formed, the second colored sub-pixels layer
(521) to form flatness layer (53) and on the third colored sub-pixels layer (522)；
S5, the 7th material is deposited on the flatness layer (53) to form wall (54).
12. the preparation method of the colour filter according to claim 11 for liquid crystal display, which is characterized in that described
One material is light screening material；The third material, the 4th material and the 5th material are respectively red resin, green tree
Rouge and blue resins；Second material is transparent material；6th material is transparent material；7th material is transparent
Material.
13. the preparation method described in any one of 0-12 for the colour filter of liquid crystal display according to claim 1, special
Sign is, in the step S2, deposits the thickness of the white pixel layer (523) of formation lower than the black matrix" (51)
Thickness.
14. the preparation method of the colour filter according to claim 13 for liquid crystal display, which is characterized in that described white
The difference of the thickness of the thickness and black matrix" (51) of sub-pixels layer (523) is not more than 0.2 μm.
15. a kind of liquid crystal display, which is characterized in that the liquid crystal display includes using described in any one of claim 1-9
The colour filter for liquid crystal display described in any one of the colour filter of liquid crystal display or claim 10-14
The colour filter that preparation method is prepared, the liquid crystal display further include the array substrate being oppositely arranged with the optical filter and
Liquid crystal between the optical filter and the array substrate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20190085124A (en) | 2016-12-30 | 2019-07-17 | 퉁수(쿤산) 디스플레이 머티리얼 컴퍼니 리미티드 | Color filter, display device and manufacturing method of color filter |
| CN107505761B (en) * | 2017-09-18 | 2020-06-12 | 惠科股份有限公司 | Color filter and manufacturing method of liquid crystal display panel |
| CN108646454A (en) * | 2018-03-13 | 2018-10-12 | 东旭（昆山）显示材料有限公司 | Color membrane substrates, the preparation method of color membrane substrates and display panel |
| CN108594511A (en) * | 2018-04-03 | 2018-09-28 | 东旭（昆山）显示材料有限公司 | Color membrane substrates, the preparation method of color membrane substrates and display panel |
| TWI667522B (en) * | 2018-09-06 | 2019-08-01 | 友達光電股份有限公司 | Pixel structure |
| CN109459892A (en) * | 2018-11-12 | 2019-03-12 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN110618554A (en) * | 2019-09-26 | 2019-12-27 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070056509A (en) * | 2005-11-30 | 2007-06-04 | 엘지.필립스 엘시디 주식회사 | Color filter substrate and method for manufacturing thereof |
| CN201251665Y (en) * | 2008-09-05 | 2009-06-03 | 上海广电光电子有限公司 | RGBW type thin film transistor display device |
| CN100570449C (en) * | 2006-10-10 | 2009-12-16 | 株式会社日立显示器 | Colour display device |
| CN105788463A (en) * | 2016-05-24 | 2016-07-20 | 深圳市华星光电技术有限公司 | Display panel and WRGB (White, Red, Green and Blue) pixel structure |
| CN106168722A (en) * | 2016-09-07 | 2016-11-30 | 武汉华星光电技术有限公司 | Colored filter substrate, liquid crystal panel and liquid crystal display |
-
2016
- 2016-12-30 CN CN201611255360.1A patent/CN106483707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070056509A (en) * | 2005-11-30 | 2007-06-04 | 엘지.필립스 엘시디 주식회사 | Color filter substrate and method for manufacturing thereof |
| CN100570449C (en) * | 2006-10-10 | 2009-12-16 | 株式会社日立显示器 | Colour display device |
| CN201251665Y (en) * | 2008-09-05 | 2009-06-03 | 上海广电光电子有限公司 | RGBW type thin film transistor display device |
| CN105788463A (en) * | 2016-05-24 | 2016-07-20 | 深圳市华星光电技术有限公司 | Display panel and WRGB (White, Red, Green and Blue) pixel structure |
| CN106168722A (en) * | 2016-09-07 | 2016-11-30 | 武汉华星光电技术有限公司 | Colored filter substrate, liquid crystal panel and liquid crystal display |
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Application publication date: 20170308 Assignee: Beijing Shiji Xinhui Technology Co.,Ltd. Assignor: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. Contract record no.: X2022110000048 Denomination of invention: Color filter for liquid crystal display, preparation method thereof and liquid crystal display Granted publication date: 20191101 License type: Common License Record date: 20221018 |
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Effective date of registration: 20230530 Address after: 241000 No.36 weier'er Road, Wanchun street, Wuhu Economic and Technological Development Zone, Anhui Province Patentee after: WUHU TUNGHSU PHOTOELECTRIC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee after: TUNGHSU GROUP Co.,Ltd. Patentee after: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. Address before: Room 1517, Building 1 (International Building), No. 167 Qianjin Middle Road, Development Zone, Kunshan City, Suzhou City, Jiangsu Province, 215300 Patentee before: DONGXU (KUNSHAN) DISPLAY MATERIAL Co.,Ltd. Patentee before: TUNGHSU GROUP Co.,Ltd. Patentee before: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. |