CN105242448B - The production method and colored optical filtering substrates of colored optical filtering substrates - Google Patents

The production method and colored optical filtering substrates of colored optical filtering substrates Download PDF

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Publication number
CN105242448B
CN105242448B CN201510768404.XA CN201510768404A CN105242448B CN 105242448 B CN105242448 B CN 105242448B CN 201510768404 A CN201510768404 A CN 201510768404A CN 105242448 B CN105242448 B CN 105242448B
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China
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red
green
quantum dot
block
color
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CN201510768404.XA
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Chinese (zh)
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CN105242448A (en
Inventor
刘虹
唐敏
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深圳市华星光电技术有限公司
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Publication of CN105242448B publication Critical patent/CN105242448B/en

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    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • G02F1/133516Methods of making thereof, e.g. printing, electro-deposition, photolithography

Abstract

The present invention provides a kind of production method and colored optical filtering substrates of colored optical filtering substrates.The production method of the colored optical filtering substrates of the present invention, red green quantum dot mixed layer is formed using printing technology, it is and superimposed with red color resistance block and green color blocking block, blue color blocking block is replaced using Transparent color stop block, and the barricade of layer is mixed as red green quantum dot at the same time, so as to realize red-green-blue under Blue backlight, and then realize colored display, compared with the printing technology of the green quantum dot mixed layer of conventional red, eliminate special barricade material, at the same time so that printable region becomes larger relatively, be conducive to the printing and making of higher resolution.The colored optical filtering substrates of the present invention, replace blue color blocking block equipped with the red green quantum dot mixed layer superimposed with red color resistance block and green color blocking block, and using Transparent color stop block, the barricade of layer are mixed at the same time as red green quantum dot, simple in structure, production cost is low.

Description

The production method and colored optical filtering substrates of colored optical filtering substrates

Technical field

The present invention relates to display technology field, more particularly to a kind of production method of colored optical filtering substrates and colorized optical filtering base Plate.

Background technology

The application of liquid crystal display device (LCD, Liquid Crystal Display) has been popularized in the daily life of the common people In, as the continuous development of its technology is with ripe, people are higher and higher to its display performance and quality requirements, such as market in recent years The various high-order products of upper appearance, high-res, high-penetration rate, wide colour gamut etc..While colored filter (Color Filter, CF) it is very important building block for LCD, and these current high-res, high-penetration, the reality of wide colour gamut product Now mainly set about carrying out from the structure and material of colored filter.

For quantum dot (Quantum Dot, QD) due to its half-wave width, light efficiency is high, it can be achieved that wide colour gamut, thus started by Industry development and application is gradually shown, common meeting is applied in the backlight module of LCD, or uses it to replace colorized optical filtering Piece, or it is combined with colored filter and is used in conjunction with.

In the technique being used cooperatively for QD and colored filter, QD can be coated on by being coated with (coating) technique In color light resistance layer, but this kind of mode QD dosage is larger, easily wastes, because QD is expensive at present so that cost of manufacture carries Height, and for making QD layers with printing technology, although so QD dosages waste is reduced, special barricade need to be made to distinguish Print area, because being both needed to barricade between RGB color resistance to define printable region, but to carry out high-resolution product, this The more small area picture element region defined a bit with barricade, which is just compared, to be difficult to realize.

Therefore, it is necessary to the production method and colored optical filtering substrates of a kind of colored optical filtering substrates are provided, to solve above-mentioned ask Topic.

The content of the invention

It is an object of the invention to provide a kind of production method of colored optical filtering substrates, and red green amount is formed using printing technology Son point mixed layer, and it is superimposed with red color resistance block and green color blocking block, blue color blocking block is replaced using Transparent color stop block, and together When the barricade of layer can be mixed as red green quantum dot so that while sending blue light under Blue backlight so that red green quantum Point mixes the region area that layer can print and becomes larger, in favor of the printing and making of higher resolution.

The present invention also aims to provide a kind of colored optical filtering substrates, equipped with red color resistance block and green color blocking block phase The red green quantum dot mixed layer of superposition, and blue color blocking block is replaced using Transparent color stop block, mixed at the same time as red green quantum dot With the barricade of layer so that while sending blue light under Blue backlight so that red green quantum dot mixes the region that layer can print Area becomes larger, in favor of the printing and making of higher resolution.

To achieve the above object, the present invention provides a kind of production method of colored optical filtering substrates, includes the following steps:

Step 1, provide substrate, forms black matrix" on the substrate;

Step 2, form the several Transparent color stop blocks being arranged in order, several red colors on the substrate and black matrix" Stop block and several green color blocking blocks;Wherein, a red color resistance block and one are equipped between the adjacent Transparent color stop block of each two Green color blocking block, the height of the Transparent color stop block are more than the height of red color resistance block and green color blocking block;

Step 3, provide red green quantum dot mixing material doped with red quantum dot and green quantum dot, using described red Green quantum dot mixing material forms red green quantum dot mixed layer on red color resistance block and green color blocking block, so as to be made by several The colorized optical filtering that Transparent color stop block, several red color resistance blocks, several green color blocking blocks and several red green quantum dot mixed layers form Layer, the chromatic filter layer collectively form a colored optical filtering substrates with black matrix" and substrate;

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the colour Side of the filter layer away from substrate, the red green quantum dot mixed layer sends red-green glow under the excitation of Blue backlight, and passes through Red color resistance block with sending feux rouges and green light respectively after the filtering of green color blocking block;The Blue backlight is directed through Transparent color stop block Blue light is sent, so as to fulfill red-green-blue, and then realizes colored display.

The step 3 forms the red green quantum dot mixed layer by printing technology.

The red color resistance block is identical with the height of green color blocking block;The height of the Transparent color stop block is equal to the red The sum of height of color blocking block or green color blocking block and red green quantum dot mixed layer.

The present invention also provides the production method of another colored optical filtering substrates, include the following steps:

Step 1, provide substrate, forms passivation layer on the substrate, is formed and is arranged in order and phase on the passivation layer Several Transparent color stop blocks at interval;

Step 2, provide red green quantum dot mixing material doped with red quantum dot and green quantum dot, with described red green Quantum dot mixing material forms red green quantum dot mixed layer between adjacent transparent color blocking block;The height of the Transparent color stop block is big In the height of the red green quantum dot mixed layer;

Step 3, form red color resistance block and green color blocking block side by side on the red green quantum dot mixed layer, so as to make Obtain what is be made of several Transparent color stop blocks, several red color resistance blocks, several green color blocking blocks and several red green quantum dot mixed layers Chromatic filter layer, the chromatic filter layer collectively form a colored optical filtering substrates with passivation layer and substrate;

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the substrate Side away from chromatic filter layer, the red green quantum dot mixed layer sends red-green glow under the excitation of Blue backlight, and passes through Red color resistance block with sending feux rouges and green light respectively after the filtering of green color blocking block;The Blue backlight is directed through Transparent color stop block Blue light is sent, so as to fulfill red-green-blue, and then realizes colored display.

The step 3 forms the red green quantum dot mixed layer by printing technology.

The red color resistance block is identical with the height of green color blocking block;The height of the Transparent color stop block is equal to the red The sum of height of color blocking block or green color blocking block and red green quantum dot mixed layer.

It is described the present invention also provides a kind of colored optical filtering substrates, including substrate, the chromatic filter layer on the substrate Chromatic filter layer includes several Transparent color stop blocks, several red color resistance blocks and the several green color blocking blocks being arranged in order, wherein, Be equipped with a red color resistance block and a green color blocking block between the adjacent Transparent color stop block of each two, the red color resistance block with Red green quantum dot mixed layer is equipped with above or below green color blocking block;

The red green quantum dot mixed layer is by doped with red quantum dot and the red green quantum dot mixing material of green quantum dot Material is formed, so that under the excitation of Blue backlight, the red green quantum dot mixed layer sends red-green glow, and by red color Stop block with sending feux rouges and green light respectively after the filtering of green color blocking block;The Blue backlight is directed through Transparent color stop block and sends indigo plant Light, so as to fulfill red-green-blue, and then realizes colored display.

The red color resistance block is identical with the height of green color blocking block;The height of the Transparent color stop block is equal to the red The sum of height of color blocking block or green color blocking block and red green quantum dot mixed layer.

Further include arranged on the black matrix" between the substrate and chromatic filter layer, and the red green quantum dot mixed layer Arranged on the top of red color resistance block and green color blocking block, the Blue backlight enters from the chromatic filter layer away from substrate side Light, shows so as to fulfill the red-green-blue of colored optical filtering substrates.

Further include arranged on the passivation layer between the substrate and chromatic filter layer, and the red green quantum dot mixed layer is set In the lower section of red color resistance block and green color blocking block, the Blue backlight enters light from the substrate away from chromatic filter layer side, Shown so as to fulfill the red-green-blue of colored optical filtering substrates.

Beneficial effects of the present invention:The production method of the colored optical filtering substrates of the present invention, is formed red green using printing technology Quantum dot mixed layer, makes red green quantum dot mixed layer and red color resistance block and green color blocking block superimposed, and uses transparent color blocking Block replaces blue color blocking block, and the barricade of layer is mixed at the same time as red green quantum dot, so that the red green quantum dot mixing Layer sends red-green glow under the excitation of Blue backlight, and sends respectively after red color resistance block, the filtering of green color blocking block red Light and green light;The Blue backlight is directed through Transparent color stop block and sends blue light, so as to fulfill red-green-blue, Jin Ershi Existing colored display, eliminates special barricade material compared with traditional printing technology, while make it that printable region is opposite Become larger, be conducive to the printing and making of higher resolution.The present invention colored optical filtering substrates, equipped with red color resistance block and green color The superimposed red green quantum dot mixed layer of stop block, and blue color blocking block is replaced using Transparent color stop block, at the same time as red green amount Son point mixes the barricade of layer, and simple in structure, production cost is low.

Brief description of the drawings

In order to be further understood that the feature of the present invention and technology contents, refer to below in connection with the detailed of the present invention Illustrate and attached drawing, however attached drawing only provide with reference to and explanation use, be not used for being any limitation as the present invention.

In attached drawing,

Fig. 1 is the schematic diagram of the step 1 of the production method first embodiment of the colored optical filtering substrates of the present invention;

Fig. 2 is the schematic diagram of the step 2 of the production method first embodiment of the colored optical filtering substrates of the present invention;

Fig. 3-Fig. 4 be the present invention colored optical filtering substrates production method first embodiment step 3 schematic diagram at the same time Fig. 4 is the cross-sectional view of the colored optical filtering substrates first embodiment of the present invention;

Fig. 5 is the schematic diagram of the step 1 of the production method second embodiment of the colored optical filtering substrates of the present invention;

Fig. 6 is the schematic diagram of the step 2 of the production method second embodiment of the colored optical filtering substrates of the present invention;

Fig. 7-Fig. 8 be the present invention colored optical filtering substrates production method second embodiment step 3 schematic diagram at the same time Fig. 8 is the cross-sectional view of the colored optical filtering substrates second embodiment of the present invention.

Embodiment

Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention Example and its attached drawing are described in detail.

- Fig. 4 is please referred to Fig.1, present invention firstly provides a kind of production method of colored optical filtering substrates, can be applied to common The making of colored optical filtering substrates, includes the following steps:

Step 1, as shown in Figure 1, there is provided substrate 11, on the substrate 11 formed black matrix" 12.

Step 2, as shown in Fig. 2, forming the several transparent color blockings being arranged in order on the substrate 11 and black matrix" 12 Block 21, several red color resistance blocks 22 and several green color blocking blocks 23;Wherein, set between the adjacent Transparent color stop block 21 of each two Have a red color resistance block 22 and a green color blocking block 23, the height of the Transparent color stop block 21 be more than red color resistance block 22 with The height of green color blocking block 23.

Specifically, the black matrix" 12 includes several photo-shield strips 122, the photo-shield strip 122 corresponds to several Transparent color The intersection of adjacent color blocking block is set in stop block 21, several red color resistance blocks 22 and several green color blocking blocks 23.

Step 3, as Figure 3-Figure 4, there is provided mixed doped with red quantum dot with the red green quantum dot of green quantum dot Material 3, red green quantum dot is formed using the red green quantum dot mixing material 3 on red color resistance block 22 and green color blocking block 23 Mixed layer 31, so as to be made by several Transparent color stop blocks 21, several red color resistance blocks 22, several green color blocking blocks 23 and several The chromatic filter layer 20 that red green quantum dot mixed layer 31 forms, the chromatic filter layer 20 and black matrix" 12 and substrate 11 are common With one colored optical filtering substrates of composition.

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the colour Side of the filter layer 20 away from substrate 11, the red green quantum dot mixed layer 31 send red-green glow under the excitation of Blue backlight, And feux rouges and green light are sent respectively after red color resistance block 22 and green color blocking block 23 filter;The Blue backlight is directed through Transparent color stop block 21 sends blue light, so as to fulfill red-green-blue, and then realizes colored display.

Specifically, the red green quantum dot mixed layer 31 is formed by printing technology.

Specifically, the red color resistance block 22 is identical with the height of green color blocking block 23;The height of the Transparent color stop block 21 Degree is equal to the sum of height of the red color resistance block 22 or green color blocking block 23 and red green quantum dot mixed layer 31.

Fig. 5-Fig. 8 is referred to, the present invention also provides the production method of another colored optical filtering substrates, can be applied to COA knots The making of the colored optical filtering substrates of structure display panel, includes the following steps:

Step 1, as shown in Figure 5, there is provided substrate 11, on the substrate 11 formed passivation layer 13, in the passivation layer 13 Upper formation is arranged in order and several Transparent color stop blocks 21 separately.

Step 2, as shown in Figure 6, there is provided doped with red quantum dot and the red green quantum dot mixing material of green quantum dot 3, red green quantum dot mixed layer 31 is formed between adjacent Transparent color stop block 21 with the red green quantum dot mixing material 3;Institute The height for stating Transparent color stop block 21 is more than the height of the red green quantum dot mixed layer 31.

Specifically, the step 2 forms the red green quantum dot mixed layer 31 by printing technology.

Step 3, as shown in Figs. 7-8, formed side by side on the red green quantum dot mixed layer 31 red color resistance block 22 and Green color blocking block 23, thus be made by several Transparent color stop blocks 21, several red color resistance blocks 22, several green color blocking blocks 23 and The chromatic filter layer 20 that several red green quantum dot mixed layers 31 form, the chromatic filter layer 20 and black matrix" 12 and substrate 11 collectively form a colored optical filtering substrates.

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the substrate 11 sides away from chromatic filter layer 20, the red green quantum dot mixed layer 31 send red-green glow under the excitation of Blue backlight, And feux rouges and green light are sent respectively after red color resistance block 22 and green color blocking block 23 filter;The Blue backlight is directed through Transparent color stop block 21 sends blue light, so as to fulfill red-green-blue, and then realizes colored display.

Specifically, the red color resistance block 22 is identical with the height of green color blocking block 23;The height of the Transparent color stop block 21 Degree is equal to the sum of height of the red color resistance block 22 or green color blocking block 23 and red green quantum dot mixed layer 31.

Referring to Fig. 4, with reference to Fig. 1-Fig. 3, the present invention also provides a kind of colored optical filtering substrates, including substrate 11, arranged on institute State the black matrix" 12 on substrate 11 and the chromatic filter layer 20 on the substrate 11 and black matrix" 12, the coloured silk Color filtering optical layer 20 includes several Transparent color stop blocks 21, several red color resistance blocks 22 and the several green color blocking blocks 23 being arranged in order, Wherein, a red color resistance block 22 and a green color blocking block 23 are equipped between the adjacent Transparent color stop block 21 of each two, it is described Red color resistance block 22 and the top of green color blocking block 23 are equipped with red green quantum dot mixed layer 31, the red green quantum dot mixed layer 31 By being formed doped with red quantum dot and the red green quantum dot mixing material 3 of green quantum dot.

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the colour Side of the filter layer 20 away from substrate 11, so that under the excitation of Blue backlight, the red green quantum dot mixed layer 31 is sent out Go out red-green glow, and feux rouges and green light are sent respectively after red color resistance block 22 and green color blocking block 23 filter;The blueness back of the body Light is directed through Transparent color stop block 21 and sends blue light, so as to fulfill red-green-blue, and then realizes colored display.

Specifically, the red color resistance block 22 is identical with the height of green color blocking block 23;The height of the Transparent color stop block 21 Degree is equal to the sum of height of the red color resistance block 22 or green color blocking block 23 and red green quantum dot mixed layer 31.

Specifically, the black matrix" 12 includes several photo-shield strips 122, the photo-shield strip 122 corresponds to several Transparent color The intersection of adjacent color blocking block is set in stop block 21, several red color resistance blocks 22 and several green color blocking blocks 23.

Referring to Fig. 8, with reference to Fig. 5-Fig. 7, the present invention also provides another colored optical filtering substrates, can be applied to COA structures Display panel, including substrate 11, the passivation layer 13 on the substrate 11 and the colored filter on the passivation layer 13 Photosphere 20, the chromatic filter layer 20 include several Transparent color stop blocks 21, the several red color resistance blocks 22 and several being arranged in order Green color blocking block 23, wherein, a red color resistance block 22 and a green are equipped between the adjacent Transparent color stop block 21 of each two Color blocking block 23, the lower section of the red color resistance block 22 and green color blocking block 23 is equipped with red green quantum dot mixed layer 31, described red green Quantum dot mixed layer 31 doped with red quantum dot and the red green quantum dot mixing material 3 of green quantum dot by forming.

The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the substrate 11 sides away from chromatic filter layer 20, so that under the excitation of Blue backlight, the red green quantum dot mixed layer 31 is sent out Go out red-green glow, and feux rouges and green light are sent respectively after red color resistance block 22 and green color blocking block 23 filter;The blueness back of the body Light is directed through Transparent color stop block 21 and sends blue light, so as to fulfill red-green-blue, and then realizes colored display.

Specifically, the red color resistance block 22 is identical with the height of green color blocking block 23;The height of the Transparent color stop block 21 Degree is equal to the sum of height of the red color resistance block 22 or green color blocking block 23 and red green quantum dot mixed layer 31.

In conclusion the production method of the colored optical filtering substrates of the present invention, forms red green quantum dot using printing technology and mixes Layer is closed, makes red green quantum dot mixed layer and red color resistance block and green color blocking block superimposed, and indigo plant is replaced using Transparent color stop block Color color blocking block, the barricade of layer is mixed at the same time as red green quantum dot, so that the red green quantum dot mixed layer is in blueness Red-green glow is sent under the excitation of backlight, and feux rouges and green light are sent respectively after red color resistance block, the filtering of green color blocking block; The Blue backlight is directed through Transparent color stop block and sends blue light, so as to fulfill red-green-blue, and then realizes colored aobvious Show, special barricade material is eliminated compared with traditional printing technology, while cause printable region is opposite to become larger, favorably In the printing and making of higher resolution.The colored optical filtering substrates of the present invention, equipped with being stacked with red color resistance block and green color blocking block The red green quantum dot mixed layer added, and blue color blocking block is replaced using Transparent color stop block, mixed at the same time as red green quantum dot The barricade of layer, simple in structure, production cost is low.

The above, for those of ordinary skill in the art, can be with technique according to the invention scheme and technology Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the appended right of the present invention It is required that protection domain.

Claims (8)

1. a kind of production method of colored optical filtering substrates, it is characterised in that include the following steps:
Step 1, provide substrate (11), and black matrix" (12) is formed on the substrate (11);
Step 2, form the several Transparent color stop blocks (21) being arranged in order, number on the substrate (11) and black matrix" (12) A red color resistance block (22) and several green color blocking blocks (23);Wherein, it is equipped between the adjacent Transparent color stop block (21) of each two One red color resistance block (22) and a green color blocking block (23), the height of the Transparent color stop block (21) are more than red color resistance block (22) with the height of green color blocking block (23);
Step 3, provide red green quantum dot mixing material (3) doped with red quantum dot and green quantum dot, using described red Green quantum dot mixing material (3) forms red green quantum dot mixed layer on red color resistance block (22) and green color blocking block (23) (31), so as to be made by several Transparent color stop blocks (21), several red color resistance blocks (22), several green color blocking blocks (23) and number The chromatic filter layer (20) of a red green quantum dot mixed layer (31) composition, the chromatic filter layer (20) and black matrix" (12), And substrate (11) collectively forms a colored optical filtering substrates;
The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the colorized optical filtering Side of the layer (20) away from substrate (11), the red green quantum dot mixed layer (31) sends red green under the excitation of Blue backlight Light, and feux rouges and green light are sent respectively after red color resistance block (22) and green color blocking block (23) filtering;The Blue backlight It is directed through Transparent color stop block (21) and sends blue light, so as to fulfill red-green-blue, and then realizes colored display;
The step 3 forms the red green quantum dot mixed layer (31) by printing technology.
2. the production method of colored optical filtering substrates as claimed in claim 1, it is characterised in that the red color resistance block (22) with The height of green color blocking block (23) is identical;The height of the Transparent color stop block (21) is equal to the red color resistance block (22) or green The sum of height of color blocking block (23) and red green quantum dot mixed layer (31).
3. a kind of production method of colored optical filtering substrates, it is characterised in that include the following steps:
Step 1, provide substrate (11), and passivation layer (13) is formed on the substrate (11), is formed on the passivation layer (13) It is arranged in order and several Transparent color stop blocks (21) separately;
Step 2, provide red green quantum dot mixing material (3) doped with red quantum dot and green quantum dot, using described red Green quantum dot mixing material (3) forms red green quantum dot mixed layer (31) between adjacent Transparent color stop block (21);It is described The height of light colour stop block (21) is more than the height of the red green quantum dot mixed layer (31);
Step 3, form red color resistance block (22) and green color blocking block side by side on the red green quantum dot mixed layer (31) (23), so as to be made by several Transparent color stop blocks (21), several red color resistance blocks (22), several green color blocking blocks (23) and number The chromatic filter layer (20) of a red green quantum dot mixed layer (31) composition, the chromatic filter layer (20) and passivation layer (13) and Substrate (11) collectively forms a colored optical filtering substrates;
The colored optical filtering substrates can arrange in pairs or groups with a Blue backlight and use, and the Blue backlight is arranged on the substrate (11) Side away from chromatic filter layer (20), the red green quantum dot mixed layer (31) sends red green under the excitation of Blue backlight Light, and feux rouges and green light are sent respectively after red color resistance block (22) and green color blocking block (23) filtering;The Blue backlight It is directed through Transparent color stop block (21) and sends blue light, so as to fulfill red-green-blue, and then realizes colored display;
The step 2 forms the red green quantum dot mixed layer (31) by printing technology.
4. the production method of colored optical filtering substrates as claimed in claim 3, it is characterised in that the red color resistance block (22) with The height of green color blocking block (23) is identical;The height of the Transparent color stop block (21) is equal to the red color resistance block (22) or green The sum of height of color blocking block (23) and red green quantum dot mixed layer (31).
A kind of 5. colored optical filtering substrates, it is characterised in that the colorized optical filtering including substrate (11) and on the substrate (11) Layer (20), the chromatic filter layer (20) include be arranged in order several Transparent color stop blocks (21), several red color resistance blocks (22), And several green color blocking blocks (23), wherein, a red color resistance block is equipped between the adjacent Transparent color stop block (21) of each two (22) it is red with being equipped with above or below green color blocking block (23) with a green color blocking block (23), the red color resistance block (22) Green quantum dot mixed layer (31);
The red green quantum dot mixed layer (31) is by doped with red quantum dot and the red green quantum dot mixing material of green quantum dot Expect that (3) printing is formed, so that under the excitation of Blue backlight, the red green quantum dot mixed layer (31) sends red-green glow, And feux rouges and green light are sent respectively after red color resistance block (22) and green color blocking block (23) filtering;The Blue backlight is direct Blue light is sent through Transparent color stop block (21), so as to fulfill red-green-blue, and then realizes colored display.
6. colored optical filtering substrates as claimed in claim 5, it is characterised in that further include and filtered arranged on the substrate (11) with colored Black matrix" (12) between photosphere (20), and the red green quantum dot mixed layer (31) be arranged on red color resistance block (22) with it is green The top of color color blocking block (23), the Blue backlight is incident away from substrate (11) side from the chromatic filter layer (20), so that Realize that the red-green-blue of colored optical filtering substrates is shown.
7. colored optical filtering substrates as claimed in claim 5, it is characterised in that further include and filtered arranged on the substrate (11) with colored Passivation layer (13) between photosphere (20), and the red green quantum dot mixed layer (31) is arranged on red color resistance block (22) and green The lower section of color blocking block (23), the Blue backlight is incident away from chromatic filter layer (20) side from the substrate (11), so that real The red-green-blue of existing colored optical filtering substrates is shown.
8. colored optical filtering substrates as claimed in claim 5, it is characterised in that the red color resistance block (22) and green color blocking block (23) height is identical;The height of the Transparent color stop block (21) is equal to the red color resistance block (22) or green color blocking block (23) The sum of with the height of red green quantum dot mixed layer (31).
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