CN109445170A - Color membrane substrates and its manufacturing method and liquid crystal display panel, display device - Google Patents
Color membrane substrates and its manufacturing method and liquid crystal display panel, display device Download PDFInfo
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- CN109445170A CN109445170A CN201811631862.9A CN201811631862A CN109445170A CN 109445170 A CN109445170 A CN 109445170A CN 201811631862 A CN201811631862 A CN 201811631862A CN 109445170 A CN109445170 A CN 109445170A
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- 239000000758 substrate Substances 0.000 title claims abstract description 100
- 239000012528 membrane Substances 0.000 title claims abstract description 58
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 58
- 238000001914 filtration Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000003086 colorant Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000013078 crystal Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
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
- G02F1/133514—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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- 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)
Abstract
The present invention provides a kind of color membrane substrates and its manufacturing method and liquid crystal display panel, display device, color membrane substrates include: underlay substrate, with the black-matrix layer and chromatic filter layer being set on underlay substrate, chromatic filter layer includes the first filter layer, second filter layer and third filter layer, first filter layer, the extension towards extension on the outside of black-matrix layer is all had on second filter layer and third filter layer, the width of extension is less than the first filter layer, the width of any one in second filter layer and third filter layer, and the spacing between adjacent extensions is greater than 15 μm.Color membrane substrates provided by the invention avoid the occurrence of chromatic filter layer wire width measuring error while the width of black-matrix layer reduces transmitance to improve liquid crystal display, or can not sense colors filter layer line width the problem of.
Description
Technical field
The present invention relates to display equipment technical field more particularly to a kind of color membrane substrates and its manufacturing method and liquid crystal displays
Panel, display device.
Background technique
With the development of display technology, the flat display apparatus such as liquid crystal display (LiquidCrystalDisplay, LCD)
Because having many advantages, such as that high image quality, power saving, fuselage is thin and has a wide range of application, and it is widely used in mobile phone, TV, individual digital
The various consumer electrical products such as assistant, digital camera, laptop, desktop computer.The high transmittance of liquid crystal display
Have become emphasis concerned by people.Usual liquid crystal display panel includes color film (Color Filter, CF) substrate, film crystal
Manage (ThinFilmTransistor, TFT) substrate (also referred to as array substrate), the liquid crystal between color membrane substrates and array substrate
(LC, LiquidCrystal).Color membrane substrates include underlay substrate, are formed with BM (black matrix") layer and colour on underlay substrate
Filter layer, chromatic filter layer include the first filter layer, the second filter layer and third filter layer, and black-matrix layer is on underlay substrate
Multiple subpixel areas are limited, the first filter layer, the second filter layer and third filter layer are distributed in subpixel area, i.e., and
It is separated between one filter layer, the second filter layer and third filter layer by black-matrix layer.
Aperture opening ratio in order to improve the transmitance of liquid crystal display, usually by improving the black-matrix layer in color membrane substrates
And reduce black-matrix layer width to realize.Reduce black square between the first filter layer, the second filter layer and third filter layer
The width of battle array layer.
But the width of black-matrix layer reduces, the spacing between the first filter layer, the second filter layer and third filter layer
It can reduce therewith, in chromatic filter layer line width automatic measurement, it is difficult to grab contacting with black-matrix layer for chromatic filter layer
Easily there is chromatic filter layer wire width measuring error in side, or can not sense colors filter layer line width.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of color membrane substrates and its manufacturing method and liquid crystal display panel, display
Device, with solve in chromatic filter layer line width automatic measurement, due to the first filter layer, the second filter layer and third filter layer it
Between black-matrix layer width reduce, easily there is chromatic filter layer wire width measuring error, or can not sense colors optical filtering layer line
Wide problem.
In a first aspect, the present invention provides a kind of color membrane substrates, comprising: underlay substrate and be set to the underlay substrate
On black-matrix layer and chromatic filter layer, the chromatic filter layer include that the first filter layer, the second filter layer and third filter
Layer, it all has on first filter layer, second filter layer and the third filter layer towards outside the black-matrix layer
The extension that side extends, the width of the extension are less than first filter layer, second filter layer and third filter
The width of any one in photosphere, and the spacing between the adjacent extension is greater than 15 μm.
As a kind of optional mode, the length of color membrane substrates provided by the invention, the extension is more than or equal to
50μm。
As a kind of optional mode, the length of color membrane substrates provided by the invention, the extension is more than or equal to
50μm。
As a kind of optional mode, color membrane substrates provided by the invention, first filter layer, second filter layer
The extension is all had with the opposite side of the length direction of the third filter layer.
As a kind of optional mode, color membrane substrates provided by the invention, the extension is in rectangle.
As a kind of optional mode, color membrane substrates provided by the invention, first filter layer, second filter layer
It is respectively red filter layer, green color filter and blue color filter layer with the third filter layer.
As a kind of optional mode, color membrane substrates provided by the invention, be provided on the underlay substrate flatness layer and
Spacer material, the flatness layer cover the black-matrix layer and the chromatic filter layer, and the spacer material is set to the flatness layer
On.
Second aspect, the present invention also provides a kind of manufacturing methods of above-mentioned color membrane substrates, including；
Black-matrix layer, the first filter layer, the second filter layer and third filter layer are sequentially generated, on underlay substrate with shape
At chromatic filter layer, wherein all have on first filter layer, second filter layer and the third filter layer towards institute
The extension extended on the outside of black-matrix layer is stated, and the width of the extension is less than first filter layer, second filter
The width of any one in photosphere and the third filter layer, and the spacing between the adjacent extension is greater than 15 μm.
The third aspect, the present invention also provides a kind of liquid crystal display panels, comprising: above-mentioned array substrate.
Fourth aspect, the present invention also provides a kind of display devices, comprising: above-mentioned liquid crystal display panel.
Color membrane substrates provided in an embodiment of the present invention and its manufacturing method and liquid crystal display panel, display device, color film base
Plate on the first filter layer, the second filter layer and third filter layer by being respectively provided with extension, the first filter layer, the second filter layer
With the extension on third filter layer towards black-matrix layer outside, meanwhile, the width of extension is less than the first filter layer, second
The width of any one in filter layer and third filter layer, and the spacing between adjacent extensions is greater than 15 μm.In this way, measuring
It is not in accidentally to grab because the spacing between chromatograph meets the identification demand of line width measurement equipment when the width of extension
The phenomenon that neck side, it is only necessary to grab the first filter layer, two opposite in extension in the second filter layer and third filter layer
Side.In line width automatic measurement, the width detection that can characterize third filter layer is qualified.Similarly, first filter layer
Width, the second filter layer width can also be measured and be monitored in a like fashion.Black-matrix layer width reduce with
While improving the transmitance of liquid crystal display, chromatic filter layer wire width measuring error is avoided the occurrence of, or can not sense colors
The problem of filter layer line width.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Crawl position schematic diagram when Fig. 1 is chromatic filter layer line width automatic measurement；
Fig. 2 is the structural schematic diagram for the color membrane substrates that the embodiment of the present invention one provides；
The sectional view of black-matrix layer and chromatic filter layer in the color membrane substrates that Fig. 3 provides for the embodiment of the present invention one；
Fig. 4 is the flow chart of the manufacturing method of color membrane substrates provided by Embodiment 2 of the present invention；
Fig. 5 is the structural schematic diagram for the liquid crystal display panel that the embodiment of the present invention three provides.
Description of symbols:
100-color membrane substrates；
101-underlay substrates；
102-black-matrix layers；
103-chromatic filter layers；
1031-the first filter layer；
1032-the second filter layer；
1033-third filter layers；
1034-extensions；
200-array substrates；
300-layer of liquid crystal molecule.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the preferred embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or
Similar label indicates same or similar component or component with the same or similar functions.Described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
With the development of display technology, the flat display apparatus such as liquid crystal display (LiquidCrystalDisplay, LCD)
Because having many advantages, such as that high image quality, power saving, fuselage is thin and has a wide range of application, and it is widely used in mobile phone, TV, individual digital
The various consumer electrical products such as assistant, digital camera, laptop, desktop computer.The high transmittance of liquid crystal display
Have become emphasis concerned by people.Usual liquid crystal display panel includes color film (Color Filter, CF) substrate, film crystal
Manage (ThinFilmTransistor, TFT) substrate (also referred to as array substrate), the liquid crystal between color membrane substrates and array substrate
(LC, LiquidCrystal).Color membrane substrates 100 are including being formed with BM (black matrix") on underlay substrate 101, underlay substrate 101
Layer 102 and chromatic filter layer 103, chromatic filter layer 103 include that the first filter layer 1031, the second filter layer 1032 and third filter
Layer 1033, black-matrix layer 102 limit multiple subpixel areas, the filter of the first filter layer 1031, second on underlay substrate 101
Photosphere 1032 and third filter layer 1033 are distributed in subpixel area, i.e. the first filter layer 1031,1032 and of the second filter layer
It is separated between third filter layer 1033 by black-matrix layer 102.
In order to improve the transmitance of liquid crystal display, usually by improving the black-matrix layer 102 in color membrane substrates 100
Aperture opening ratio and reduces black-matrix layer 102 width and realize.Reduce the first filter layer 1031, the second filter layer 1032 and third
The width of black-matrix layer 102 between filter layer 1033.
But the width of black-matrix layer 102 reduces, the first filter layer 1031, the second filter layer 1032 and third filter
Spacing between layer 1033 can reduce therewith, in 103 line width automatic measurement of chromatic filter layer, it is difficult to grab chromatic filter layer
Easily there is 103 wire width measuring error of chromatic filter layer, or can not detect coloured silk in 103 side contacted with black-matrix layer 102
103 line width of color filtering optical layer.If by manually measuring the first filter layer 1031, the second filter layer 1032 and third filter layer
1033 line width can not monitor in time, if manually there is operation error, will cause the bad generation of product batch.
In general, the width of the first filter layer 1031, the second filter layer 1032 and third filter layer 1033 will affect exposure machine
Technique and developing time, temperature and concentration, that is to say, that the first filter layer 1031, the second filter layer 1032 and third filter
The width of layer 1033 is configured according to exposure machine technique and developing time, temperature and concentration.First filter layer 1031,
The width of two filter layers 1032 and third filter layer 1033 is too small to will cause LCD light leakage, still, the first filter layer 1031, second
The width of filter layer 1032 and third filter layer 1033 will lead to greatly very much chromatograph and fold color.Therefore, to the first filter layer 1031, second
The width of filter layer 1032 and third filter layer 1033 measures as an important detection process in LCD manufacture.
First filter layer 1031, the second filter layer 1032 are identical with the measurement method of 1033 line width of third filter layer, in order to
Description is convenient, as explanation by taking the measurement of 1032 line width of the second filter layer as an example.When Fig. 1 is chromatic filter layer line width automatic measurement
Crawl position schematic diagram.As shown in Figure 1, black between the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
The width of color matrix layer 102 reduces, and when carrying out 1032 line width automatic measurement of the second filter layer, two thick dashed line parts are second
Correct crawl position when 1032 line width automatic measurement of filter layer, the thick dashed line part of the top and thick straight line portion are the second optical filtering
When 1032 line width automatic measurement of layer mistake crawl position (side of the second filter layer 1032).Second filter layer, 1032 line width is certainly
Mistake crawl position causes to detect mistake to 1032 line width of the second filter layer when dynamic measurement, will cause the bad hair of product batch
It is raw.
To solve the above-mentioned problems, the present invention provides a kind of color membrane substrates and its manufacturing method and liquid crystal display panel, aobvious
Showing device, by being respectively provided with extension on the first filter layer, the second filter layer and third filter layer, first filters color membrane substrates
Extension on layer, the second filter layer and third filter layer towards on the outside of black-matrix layer, meanwhile, the width of extension is less than the
The width of any one in one filter layer, the second filter layer and third filter layer, and the spacing between adjacent extensions is greater than 15 μ
m.In this way, when measuring the width of extension, because the spacing between chromatograph meets the identification demand of line width measurement equipment, no
It will appear the phenomenon that accidentally grabbing neck side, it is only necessary to grab the first filter layer, extension in the second filter layer and third filter layer
In opposite two sides.In line width automatic measurement, the width detection that can characterize third filter layer is qualified.Similarly,
The width of first filter layer, the second filter layer width can also be measured and be monitored in a like fashion.In black-matrix layer
Width while reduce transmitance to improve liquid crystal display, avoid the occurrence of chromatic filter layer wire width measuring error, or
Can not sense colors filter layer line width the problem of.
Embodiment one
Fig. 2 is the structural schematic diagram for the color membrane substrates that the embodiment of the present invention one provides；Fig. 3 is that the embodiment of the present invention one provides
Color membrane substrates in black-matrix layer and chromatic filter layer sectional view.As shown in Figures 2 and 3, color film provided in this embodiment
Substrate 100, comprising: underlay substrate 101 and the black-matrix layer 102 being set on underlay substrate 101 and chromatic filter layer 103,
Chromatic filter layer 103 includes the first filter layer 1031, the second filter layer 1032 and third filter layer 1033, the first filter layer
1031, it is all had on the second filter layer 1032 and third filter layer 1033 towards the extension extended on the outside of black-matrix layer 102
1034, the width of extension 1034 is any less than in the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
The width of one, and the spacing between adjacent extensions 1034 is greater than 15 μm.
Specifically, black-matrix layer 102 limits multiple subpixel areas, the first filter layer on underlay substrate 101
1031, the second filter layer 1032 and third filter layer 1033 are sequentially distributed in subpixel area.In the first filter layer 1031,
Extension 1034, the first filter layer 1031, the second filter layer 1032 are respectively provided on two filter layers 1032 and third filter layer 1033
With the extension 1034 on third filter layer 1033 towards extending on the outside of black-matrix layer 102, in this way, in measurement extension
When 1034 width, because between chromatograph (between the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
Away from) spacing meet the identification demand of line width measurement equipment, so be not in accidentally grab neck side the phenomenon that, it is only necessary to grab
Two sides opposite in extension 1034 are in first filter layer 1031, the second filter layer 1032 and third filter layer 1033
It can.
It should be noted that the first filter layer 1031, the second filter layer 1032 and third filter layer 1033 in the present embodiment
On extension 1034 towards extending on the outside of black-matrix layer 102, refer to that extension 1034 is arranged side by side along Fig. 2 and Fig. 3
The first filter layer 1031, the longitudinal of the second filter layer 1032 and third filter layer 1033 extend, to extend to black-matrix layer
102 outside.
It should be noted that when the width of black-matrix layer 102 is less than 15 μm, the first filter layer 1031, the are being carried out
When the wire width measuring of two filter layers 1032 and third filter layer 1033, when line width automatic measurement, is easy to appear crawl position exception,
It is abnormal so as to cause measuring.In other words, prolonging on the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
The distance between extending portion 1034 should also be greater than 15 μm, i.e. spacing between adjacent extensions 1034 is greater than 15 μm.
Further, the first filter layer 1031, the second filter layer 1032 are characterized by measuring the width of extension 1034
With the line width of third filter layer 1033.First filter layer 1031, the second filter layer 1032 and third filter layer under normal conditions
1033 line width is equal.Therefore, the width of extension 1034 is filtered less than the first filter layer 1031, the second filter layer 1032 and third
The width of any one in photosphere 1033, in this way, the width detection of extension 1034 is qualified in line width automatic measurement
The width detection for characterizing third filter layer 1033 is qualified.Similarly, the width of the width of the first filter layer 1031, the second filter layer 1032
Degree can also be measured and be monitored in a like fashion.
It should be noted that the width of the width of the extension 1034 on the first filter layer 1031 and the first filter layer 1031
It can be with the first preset ratio, as long as meeting the width of extension 1034 less than the first filter layer 1031,1032 and of the second filter layer
The width of any one in third filter layer 1033, the spacing between adjacent extensions 1034 are greater than 15 μm.Pass through in this way
The width for measuring extension 1034, can converse the width of the first filter layer 1031.Similarly, the width of the second filter layer 1032
Width with extension 1034 thereon can also be with the second preset ratio, the width of third filter layer 1033 and extension thereon
1034 width can also be with third preset ratio, and the first preset ratio, the second preset ratio and third preset ratio can be identical,
It can also be different, the present embodiment is not limited thereto.
Color membrane substrates 100 provided in this embodiment, by being filtered in the first filter layer 1031, the second filter layer 1032 and third
Extension 1034 is respectively provided on photosphere 1033, on the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
Extension 1034 is towards extending on the outside of black-matrix layer 102.Meanwhile the width of extension 1034 is less than the first filter layer
1031, in the second filter layer 1032 and third filter layer 1033 any one width, and between adjacent extensions 1034 between
Away from greater than 15 μm.In this way, when measuring the width of extension 1034, when measuring the width of extension 1034, because between chromatograph
Spacing meet the identification demand of line width measurement equipment, so being not in the phenomenon that accidentally grabbing neck side, it is only necessary to grab the
Two sides opposite in extension 1034 in one filter layer 1031, the second filter layer 1032 and third filter layer 1033.
In line width automatic measurement, the width detection of extension 1034 is qualified, and the width detection that can characterize third filter layer 1033 is closed
Lattice.Similarly, the width of the first filter layer 1031, the second filter layer 1032 width can also be measured and be supervised in a like fashion
Control.While the width of black-matrix layer 102 reduces the transmitance to improve liquid crystal display, chromatic filter layer is avoided the occurrence of
103 wire width measuring errors, or can not sense colors filter layer line width the problem of.
In one possible implementation, color membrane substrates 100 provided in this embodiment, the first filter layer 1031, second
The opposite side of 1033 length direction of filter layer 1032 and third filter layer all has extension 1034.In this way, the first filter layer
1031, the line width at 1033 both ends of the second filter layer 1032 and third filter layer can measure.Optionally, the first filter layer
1031, the extension 1034 at 1033 both ends of the second filter layer 1032 and third filter layer is symmetrical arranged.The upside of extension 1034
Between the lower side of the upper side edge and extension 1034 of side and the first filter layer 1031 and the lower side of the first filter layer 1031
It is equidistant, the extension on extension 1034 and the first filter layer 1031 on the second filter layer 1032 and third filter layer 1033
The setting position of portion 1034 is identical, and the present embodiment will not repeat them here.
In specific implementation, the first filter layer 1031, the second filter layer 1032 and third filter layer are made for convenience
1033, color membrane substrates 100 provided in this embodiment, extension 1034 is in rectangle.In this way, being opened on the mask plate of subsequent new product
If this function can be realized in the through-hole of a rectangle.
Further, the width of color membrane substrates 100 provided in this embodiment, extension 1034 is more than or equal to 50 μm,
The length of extension 1034 is more than or equal to 50 μm.Avoid the corner of the extension 1034 of production oval, i.e. extension
1034, which actually have a fling at corner cambering, to measure.
It should be noted that in the present embodiment black-matrix layer 102 width, the width of the first filter layer 1031 (can also
Referred to as line width), the width (alternatively referred to as line width) of the second filter layer 1032 and width (the alternatively referred to as line of third filter layer 1033
It is wide), it is the size that up and down direction measures in Fig. 3；The length of the length direction of first filter layer 1031, the second filter layer 1032
The length direction in direction and third filter layer 1033 is left and right directions in Fig. 3.
In specific implementation, color membrane substrates 100 provided in this embodiment, the first filter layer 1031, the second filter layer 1032
It is respectively red filter layer (R), green color filter (G) and blue color filter layer (B) with third filter layer 1033.
In specific implementation, color membrane substrates 100 provided in this embodiment, be provided on underlay substrate 101 flatness layer and every
Underbed (not shown), flatness layer cover black-matrix layer 102 and chromatic filter layer 103, and spacer material is set on flatness layer.
Wherein, the structure of flatness layer and spacer material uses flatness layer in the prior art and the common structure of spacer material, this
Embodiment is not limited thereto.
Embodiment two
Fig. 4 is the flow chart of the manufacturing method for the color membrane substrates that the present embodiment embodiment two provides.As shown in figure 4, this reality
The manufacturing method that example provides a kind of color membrane substrates of above-described embodiment is applied, is included the following steps；
The first step forms black-matrix layer 102 on underlay substrate 101.
It should be noted that being formed before black-matrix layer 102 on underlay substrate 101, need to be carried out by cleaning machine clear
It washes.
It can be with specifically, forming black-matrix layer 102 on underlay substrate 101 are as follows:
The sputter black film on underlay substrate 101, black film are mainly black pigment film；
Photoresist coating is carried out on black film and carries out prebake conditions, forms photoresist layer；
Photoresist layer is successively exposed, is developed,
Black film is etched according to developing result；And
Photoresist lift off is carried out to black film, and forms black-matrix layer 102, wherein black-matrix layer 102 is used for shading.
Second step sequentially generates the first filter layer 1031, the second filter layer 1032 and third optical filtering on underlay substrate 101
Layer 1033, to form chromatic filter layer 103, wherein the first filter layer 1031, the second filter layer 1032 and third filter layer 1033
On all have towards the extension 1034 extended on the outside of black-matrix layer 102, the width of extension 1034 is less than the first filter layer
1031, in the second filter layer 1032 and third filter layer 1033 any one width, and between adjacent extensions 1034 between
Away from greater than 15 μm.
Wherein, the first filter layer 1031, the second filter layer 1032 and third filter layer 1033 are respectively red filter layer, green
Color filtering optical layer and blue color filter layer.
It is understood that in the present embodiment, it is also necessary to make a kind of mask plate.Mask plate includes mask plate main part
With mask plate extension, and the mask plate main part shape is filtered with the first filter layer 1031, the second filter layer 1032 or third
The shape of photosphere 1033 matches, and the shape of the extension 1034 of mask plate extension matches.
It filters specifically, sequentially generating the first filter layer 1031, the second filter layer 1032 and third on underlay substrate 101
Layer 1033, may include:
It is coated with red photoresist in black-matrix layer 102, and carries out prebake conditions；
Red photoresist is exposed by the mask plate of above-mentioned production；
Developed and etched, to form red filter layer；
It repeats the above steps, sequentially forms green color filter and blue color filter layer.
Optionally, method further includes forming flatness layer in black-matrix layer 102 and chromatic filter layer 103,
Spacer material is formed on flatness layer.
Specific step the present embodiment for forming flatness layer and forming spacer material is being not construed as limiting.
The manufacturing method of color membrane substrates 100 provided in this embodiment, color membrane substrates 100 by the first filter layer 1031,
Extension 1034, the first filter layer 1031, the second filter layer are respectively provided on second filter layer 1032 and third filter layer 1033
1032 and third filter layer 1033 on extension 1034 towards extending on the outside of black-matrix layer 102.Meanwhile extension 1034
Width of the width less than any one in the first filter layer 1031, the second filter layer 1032 and third filter layer 1033, and phase
Spacing between adjacent extension 1034 is greater than 15 μm.In this way, when measuring the width of extension 1034, because of the spacing between chromatograph
Meet the identification demand of line width measurement equipment, so being not in the phenomenon that accidentally grabbing neck side, it is only necessary to grab the first optical filtering
Two sides opposite in extension 1034 in the 1031, second filter layer 1032 of layer and third filter layer 1033.In line width
When automatic measurement, the width detection that can characterize third filter layer 1033 is qualified.Similarly, the width of the first filter layer 1031,
The width of two filter layers 1032 can also be measured and be monitored in a like fashion.Black-matrix layer 102 width reduce with
While improving the transmitance of liquid crystal display, 103 wire width measuring error of chromatic filter layer is avoided the occurrence of, or coloured silk can not be detected
The problem of color filtering optical layer line width.
Embodiment three
Fig. 5 is the structural schematic diagram for the liquid crystal display panel that the present embodiment embodiment three provides.As shown in figure 5, this implementation
Example provides a kind of liquid crystal display panel, comprising: color membrane substrates 100 provided by the above embodiment.
Specifically, liquid crystal display panel include color membrane substrates 100, array substrate 200 and be located at color membrane substrates 100 with
Layer of liquid crystal molecule 300 between array substrate 200.Specifically, color membrane substrates 100 are oppositely arranged with array substrate 200, liquid crystal point
Sublayer 300 is between color membrane substrates 100 and array substrate 200.
Wherein, color membrane substrates 100 use color membrane substrates 100 provided by the above embodiment.
The structure and working principle of color membrane substrates 100 are described in detail in the above-described embodiments, and the present embodiment is herein
It does not repeat one by one.
Example IV
The present embodiment provides a kind of display devices, comprising: liquid crystal display panel provided by the above embodiment.
The structure and working principle of color membrane substrates 100 in liquid crystal display panel have carried out specifically in the above-described embodiments
Bright, the present embodiment will not repeat them here.
Display device provided in this embodiment can be mobile phone, tablet computer, television set, display, e-book, electronics
The products or components having a display function such as paper, smartwatch, laptop, Digital Frame or navigator.
In the description of description of the invention, it is to be understood that the orientation of the instructions such as term " lateral wall " or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In the description of the present invention, the meaning of " plurality " is multiple, such as two, four etc., unless otherwise clearly specific
Restriction.
In addition, term " first ", " second ", " third " are used for description purposes only, and cannot be managed in the description of specification
Solution is indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second ", " third " can explicitly or implicitly include one or more of the features.
In the description unless specifically defined or limited otherwise, fisrt feature may include in the "upper" of second feature
First and second features directly contact, and also may include that the first and second features are not direct contacts but pass through between them
Other characterisation contact.
In the present invention unless specifically defined or limited otherwise, in addition, term " includes " and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, being
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or
For the intrinsic other step or units of these process, methods, product or equipment.
In the present invention, unless otherwise specific regulation, the terms such as term " installation ", " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, is also possible to removably connect, or be integrally formed, can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected with by intermediate medium, it can
To be the interaction relationship of connection or two elements inside two elements, unless otherwise restricted clearly.For ability
For the those of ordinary skill in domain, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of color membrane substrates, comprising: underlay substrate and the black-matrix layer being set on the underlay substrate and colorized optical filtering
Layer, the chromatic filter layer include the first filter layer, the second filter layer and third filter layer, which is characterized in that first filter
The extension towards extension on the outside of the black-matrix layer is all had on photosphere, second filter layer and the third filter layer
The width in portion, the extension is less than any one in first filter layer, second filter layer and the third filter layer
The width of person, and the spacing between the adjacent extension is greater than 15 μm.
2. color membrane substrates according to claim 1, which is characterized in that the width of the extension is more than or equal to 50 μ
m。
3. color membrane substrates according to claim 1, which is characterized in that the length of the extension is more than or equal to 50 μ
m。
4. color membrane substrates according to claim 1, which is characterized in that first filter layer, second filter layer and
The opposite side of the length direction of the third filter layer all has the extension.
5. color membrane substrates according to claim 1, which is characterized in that the extension is in rectangle.
6. color membrane substrates according to claim 1, which is characterized in that first filter layer, second filter layer and
The third filter layer is respectively red filter layer, green color filter and blue color filter layer.
7. color membrane substrates according to claim 1, which is characterized in that be provided with flatness layer and dottle pin on the underlay substrate
Object, the flatness layer cover the black-matrix layer and the chromatic filter layer, and the spacer material is set on the flatness layer.
8. a kind of manufacturing method of the described in any item color membrane substrates of claim 1-7, which is characterized in that including；
Black-matrix layer, the first filter layer, the second filter layer and third filter layer are sequentially generated, on underlay substrate to form coloured silk
Color filtering optical layer, wherein all have on first filter layer, second filter layer and the third filter layer towards described black
The extension extended on the outside of color matrix layer, and the extension width be less than first filter layer, second filter layer and
The width of any one in the third filter layer, and the spacing between the adjacent extension is greater than 15 μm.
9. a kind of liquid crystal display panel characterized by comprising the described in any item color membrane substrates of claim 1-7.
10. a kind of display device characterized by comprising liquid crystal display panel as claimed in claim 9.
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| CN113031359A (en) * | 2021-03-23 | 2021-06-25 | 滁州惠科光电科技有限公司 | COA type array substrate, measuring method thereof and liquid crystal display panel |
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| CN109445170B (en) | 2020-02-14 |
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Address after: No. 1778, Qinglan Road, Huangjia Street, Shuangliu District, Chengdu, Sichuan 610200 Patentee after: Chengdu BOE Display Technology Co.,Ltd. Country or region after: China Address before: No. 1778, Qinglan Road, Gongxing street, Shuangliu District, Chengdu, Sichuan 610200 Patentee before: CHENGDU ZHONGDIAN PANDA DISPLAY TECHNOLOGY Co.,Ltd. Country or region before: China |