CN104503130B - A kind of color membrane substrates, display panel and display device - Google Patents
A kind of color membrane substrates, display panel and display device Download PDFInfo
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- CN104503130B CN104503130B CN201410848085.9A CN201410848085A CN104503130B CN 104503130 B CN104503130 B CN 104503130B CN 201410848085 A CN201410848085 A CN 201410848085A CN 104503130 B CN104503130 B CN 104503130B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of color membrane substrates, display panel and display device, mainly including substrate；Include multiple color blocking units arranged in arrays on the substrate；At least one color blocking unit includes a light sensation organic film.Blue color blocking instead of with light sensation organic film using this method, improve the penetrance of blue light, while different white points can be obtained by the different transmitance of blue light.
Description
Technical field
The present invention relates to display technology field, more particularly relates to a kind of color membrane substrates, display panel and display device.
Background technology
In a display device, effective be filled into colored up to carrying out can be carried out to entering incoming light by color membrane substrates
The purpose of display, color membrane substrates as shown in Figure 1, wherein, color membrane substrates include glass substrate 11, three color color blockings 14 (RGB,
Red-green-bule), black matrix 12 (BM, black martrix) and flatness layer 13 (OC, over coating).Incident
White light transmittant can lose after crossing three filter coatings (such as R, G, B) of color membrane substrates, for example, by red filter film
When, only red light can pass through, and other light are then blocked, and cause and incident light is significantly decayed, many incident lights
It is wasted, how effectively turns into the focus of research using incident light.
For high NTSC (National Television Standards Committee, national television standard committee member
Meeting) product, the amount of light of incident light is increased using the thickness of increase by tri- filter coatings of RGB, but due to tri- filter coatings of RGB
Thickness add, easily cause light transmittance.If LED (Light will be changed into the B films in tri- filter coatings of RGB
Emitting Diode, Light-Emitting Diode), then synthesizing the brightness of light can be restricted due to LED brightness.
Quantum dot, be it is a kind of by II-VI group or the compound group of iii-v element into nano particle.When quantum dot
When size drops to a certain numerical value (10nm), the electron energy level near Fermi level becomes discrete energy by quasi-continuous
Level, the discontinuous highest of Nano semiconductor particulate are occupied the energy gap of molecular orbit and the minimum molecular orbital energy level not being occupied
Broaden, so as to cause the blue shift absorbed with fluorescence spectra, this phenomenon is referred to as quantum size effect.
Quantum size effect causes the photoelectric property of semiconductor-quantum-point to generate huge change, works as semiconductor-quantum-point
Caused quantum size effect changes the level structure of semi-conducting material when the size of particle is less than the Bohr radius of exciton,
It is allowed to a continuous band structure and is changed into the discrete energy level structure with molecular characterization.Can be same using this phenomenon
The semiconductor-quantum-point of different-grain diameter is prepared in being reacted in one, the light transmitting of different frequency is produced, so as to easily adjust
Control out manifold color-emitting.
In summary, in the prior art, it is more next to there is aperture opening ratio in high PPI (pixels per inch, picture element density) product
It is smaller, the problem of causing luminance shortage.
The content of the invention
The embodiment of the present invention provides a kind of color membrane substrates, display panel and display device, high in the prior art for solving
It is less and less aperture opening ratio to be present in PPI products, the problem of causing luminance shortage,
The embodiment of the present invention provides a kind of color membrane substrates, including：
Substrate；
Include multiple color blocking units arranged in arrays on the substrate；
At least one color blocking unit includes a light sensation organic film.
Based on the color membrane substrates in above-described embodiment, the embodiment of the present invention also provides a kind of display panel, including above-mentioned reality
Apply color membrane substrates in example, array base palte and positioned at display dielectric layer between the two.
The embodiment of the present invention also provides a kind of display device, including display panel and backlight module in above-described embodiment,
The backlight module provides short wavelength light for the display panel.
The embodiment of the present invention provides a kind of color membrane substrates, by instead of blueness of the prior art by light sensation organic film
Color blocking, the light transmittance of product is improved, while by adjusting the thickness of light sensation organic film so that have different light transmittances can
To obtain different display brightness, and then the colour gamut of display can be provided.
Brief description of the drawings
Fig. 1 is this color film substrate structure schematic diagram of the prior art；
Fig. 2 is a kind of color film substrate structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another color film substrate structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the color film substrate structure schematic diagram that with the addition of quantum dot corresponding with Fig. 3；
Fig. 5 is the color film substrate structure schematic diagram that with the addition of protective layer corresponding with Fig. 4；
Fig. 6 is another color film substrate structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the color film substrate structure schematic diagram that with the addition of quantum dot corresponding with Fig. 6；
Fig. 8 is the color film substrate structure schematic diagram that with the addition of protective layer corresponding with Fig. 7.
Embodiment
The embodiment of the present invention provides a kind of color membrane substrates, including substrate；Include on the substrate arranged in arrays more
Individual color blocking unit；At least one color blocking unit includes a light sensation organic film.Taken using this method with light sensation organic film
For blue color blocking, the penetrance of blue light is improved, while different show can be obtained by adjusting the different transmitance of blue light
Show brightness, and then the colour gamut of display can be provided.
The preferred embodiments of the present invention are illustrated below in conjunction with Figure of description, it will be appreciated that described herein
Preferred embodiment is merely to illustrate and explain the present invention, and is not intended to limit the present invention, and in the case where not conflicting, this hair
The feature in embodiment and embodiment in bright can be mutually combined.
As described in Figure 2, a kind of color film substrate structure schematic diagram provided in an embodiment of the present invention, the color membrane substrates include base
Plate 1；Also include multiple (not shown)s of color blocking unit 4 arranged in arrays on the substrate；It is at least one described
Color blocking unit includes a light sensation organic film 4A.
In embodiments of the present invention, at least one color blocking unit includes a light sensation organic film, because light sensation is organic
Transmitance of the film layer to the blue light blue color blocking more common than in the prior art is high to the transmitance of blue light, so organic using light sensation
Film layer improves the transmitance of blue light；And light sensation organic film is in anti-to the transmitance of blue light and the thickness of light sensation organic film
Than so the thickness by setting light sensation organic film, can design to obtain the different transmitance of blue light, by controlling blue light not
Same transmitance can improve display colour gamut so as to obtain different display brightness.
In embodiments of the present invention, because light sensation organic film can pass through short wavelength light, and the short wavelength light is preferably blue light,
Because blue light has the wavelength in the range of 400nm to 500nm, this be in visible region (400nm to 700nm) it is shorter,
And blue light has of a relatively high energy level, so, the conversion of blue light components to the wavelength longer than blue light wavelength is jumped from high level
Low-lying level is adjourned, can more easily realize the conversion of wavelength.
In embodiments of the present invention, light sensation organic film can pass through blue light, transmitance of the light sensation organic film to blue light
Transmitance more than blue color blocking common in the prior art to blue light, the first color blocking can pass through feux rouges, and the second color blocking can be with
Through green glow, so realizing colored display in display panel with red green blue tricolor.
In embodiments of the present invention, embodiment 1 is shown in introduce as yellow color blocking layer using the first color blocking and the second color blocking；With
One color blocking is red color resistance layer, and the second color blocking is that green color blocking layer is shown in embodiment 2 to introduce.
Further, the incidence surface side of first color blocking is formed with the first quantum dot film layer, second color blocking
Incidence surface side is formed with the second quantum dot film layer；Wherein, the first quantum dot in the first quantum dot film layer is after light irradiation
Inspire feux rouges, the second quantum dot in the second quantum dot film layer excites green glow after light irradiation.
In embodiments of the present invention, the first quantum dot inspires feux rouges after blue light illumination, and the second quantum dot shines through blue light
Green glow is inspired after penetrating, accordingly, color blocking unit includes light sensation organic film, due to quantum dot blue light can be converted to it is aobvious
The light of color when showing required for pixel, and light sensation organic film can improve the penetrance of blue light, by the above method, improve
The utilization rate of backlight, the white brightness that three coloured light is mixed to get on liquid crystal display panel is higher, improves LCD
The colour gamut of plate, the saturation degree of color is enhanced, improve the quality of display panel.
Further, light shield layer is additionally provided with the substrate, wherein, light shield layer is black matrix 2, in fig. 2, is hidden
Photosphere includes the black matrix in latticed arrangement corresponding with color blocking layer.
Inventive concept based on the embodiment of the present invention, according to the first color blocking and the different color blocking colors of the second color blocking, this hair
Bright embodiment also comprises at least following several specific embodiments, referring specifically to embodiment 1 to embodiment 2.
Embodiment 1
As shown in figure 3, another color film substrate structure schematic diagram that the embodiment of the present invention 1 provides, the color membrane substrates bag
Include substrate 1, multiple color blocking unit (not shown)s that the layer matrix on the substrate arranges and light shield layer 2.Wherein color
Resistance unit includes light sensation organic film 4A, the first color blocking 4B1 and the second color blocking 4C1, and both are yellow color blocking layer.
In embodiments of the present invention, because the color blocking unit includes a light sensation organic film that can pass through short wavelength light
Layer, and backlight is short wavelength light, and preferable short wavelength light is blue light in embodiment, and because light sensation organic film is than existing
Common blue color blocking in technology has higher transmitance, and prior art is compared, and improves the brightness of liquid crystal display panel.
Further, as shown in figure 4, in the incidence surface side of the first color blocking 4B1 formed with the first quantum dot film 5B,
In the incidence surface side of the second color blocking 4C1 formed with the second quantum dot film 5C.
Wherein, the first quantum dot in the first quantum dot film 5B of the first color blocking 4B1 incident sides can be with by blue light illumination
Feux rouges is emitted after exciting, it is believed that the first quantum dot is red light quantum point, the second quantum dot 5C of the second color blocking 4C1 incident sides
In the second quantum dot can excite outgoing green glow by blue light illumination, it is believed that the second quantum dot is green light quantum point, and
And due to quantum dot light emitting efficiency high and the spectral line of emission is narrow, thus it is possible to by the blue light Efficient Conversion of shortwave into close to monochromatic light
Feux rouges or green glow, and then improve colour gamut, improve the display quality of picture.
Further, because yellow color blocking layer can both pass through feux rouges, green glow can also be passed through, so implementing in the present invention
In example, yellow color blocking layer replaces red color resistance layer and green color blocking layer, you can to ensure the transmitance of feux rouges and green glow, Er Qie
In the manufacturing process of color membrane substrates, two yellow color blocking layers can be synchronously made, reduce production process, cost can be reduced.
Further, the light sensation organic film includes light trigger, polymer monomer, certainly also solvent.Wherein, institute
It is due to that the light trigger in photoactive material produces free radical under the irradiation of ultraviolet light to state light sensation organic film, so as to trigger list
Body polymerization crosslinking solidifies, and forms film.
Further, the light trigger includes benzil class polymer, alkyl phenones and birdsed of the same feather flock together compound or acyl group phosphorus oxidation
Thing polymer；The polymer monomer includes acrylic ester compound.
Wherein, the light trigger in the embodiment of the present invention does not limit to benzil class, in addition to other radical polymerization closing lights are drawn
Send out agent.
In addition, solvent is generally propylene glycol methyl ether acetate.
In addition, in embodiments of the present invention, the minimum thickness for the light sensation organic film that color blocking unit includes can be 1.0 micro-
Rice, accordingly, the maximum gauge of light sensation organic film can reach 3.0 microns.Due to the thickness and blue light of light sensation organic film
Transmitance be in inverse relation, so in actual applications, can be required to set light sensation organic film according to the transmitance of blue light
Thickness.Preferably, the thickness of light sensation organic film is most thick is no more than 2.0 microns, most thin to be not less than 1.7 microns.
Further, the transmitance of the light sensation organic film is 70-99%.Due to the thickness and indigo plant of light sensation organic film
The transmitance of light is in the relation of inverse ratio, so, if the thickness of light sensation organic film is reduced to 2.5 microns, light sensation organic film
Between layer can reach 90%~99% to the transmitance of blue light, if the thickness of light sensation organic film increases to 2.9 microns,
Light sensation organic film is reduced between 75%~86% to the transmitance of blue light.
In embodiments of the present invention, by the setting to light sensation organic film thickness, the transmitance of blue light can be controlled, by
Feux rouges can be passed through in the first color blocking 4B1, the second color blocking 4C1 can pass through green glow, so on a display panel with RGB three
Primary colors realizes colored display, according to the thickness of the light sensation organic film of setting, controls the transmitance of blue light, and then control liquid crystal
The colourity for the white light that three coloured light is mixed into display screen.
Further, the first quantum dot or the second quantum dot are core-shell type quantum dot.Further, the core-shell type is red
The material of light quanta point and the hud typed green light quantum point can be the same or different, the combination of its core material and shell material matter
Can be selected from one kind in following three：
The core material of the core-shell type quantum dot is cadmium selenide, and the shell material matter of core-shell type quantum dot is zinc sulphide；Or
The core material of the core-shell type quantum dot is cadmium selenide, and the shell material matter of the core-shell type quantum dot is cadmium sulfide；
Or
The core material of the core-shell type quantum dot is cadmium sulfide, and the shell material matter of the core-shell type quantum dot is zinc sulphide.
In embodiments of the present invention, blue light is converted using core-shell type quantum point, from the point of view of Absorption and emission spectra,
The quantum dot of core shell structure has the more excellent characteristics of luminescence, can significantly reduce the surface defect of nano particle, carry significantly
High luminous efficiency.Therefore, it is beneficial to improve luminous efficiency using hud typed red light quantum point and hud typed green light quantum point.
Further, due to the first quantum dot and the second quantum dot respectively can be first by exciting for short wavelength light blue light
First color blocking 4B1 areas can produce the feux rouges of monochrome, the green glow of monochrome can be produced in the second color blocking 4C1 areas, by adjusting feux rouges amount
The concentration of son point and green light quantum point, the purity of feux rouges and green glow can be controlled.
In embodiments of the present invention, the quantum efficiency of the quantum dot of nucleocapsid material, can be by backlight up to 80%~90%
The short wavelength light overwhelming majority in source is converted into feux rouges or green glow, due to light sensation organic film compared with prior art in common blue color
Resistance can improve the transmitance to blue light, so the white brightness that RGB mixing obtains afterwards on liquid crystal display panel is more
Height, accordingly, colour gamut are higher.Because the thickness of the transmitance of blue light and light sensation organic film is in inverse relation, quantum dot will be carried on the back
Light be converted to feux rouges or green glow and quantum dot material and concentration it is related, and the white brightness of LCDs and feux rouges, green glow
Have to blue light it is related, so in embodiments of the present invention, blue light can be changed by the thickness for adjusting light sensation organic film
Transmitance, and then the white brightness of LCDs can be adjusted；By the material or dense for adjusting feux rouges and/or green light quantum point
Degree, thus it is possible to vary the transmitance of feux rouges and/or green glow, and then the white brightness of LCDs can be adjusted.
In the embodiment of the present invention, due in the first color blocking 4B1 incidence surface side formed with the first quantum dot film 5B, in institute
The second color blocking 4C1 incidence surface side is stated formed with the second quantum dot film 5C, so the white brightness of LCDs is improved,
Corresponding volume improves the colour gamut of LCDs.Prior art mainly lifts the color of liquid crystal display by increasing color blocking thickness
Domain, but this can bring the reduction of penetrance.The embodiment of the present invention also improves penetrance while colour gamut is improved.
Further, as shown in figure 5, including covering the color blocking unit on color membrane substrates described in the embodiment of the present invention
Protective layer 6.The effect of protective layer 6 is to protect light sensation organic film 4A, the first color blocking 4B1 and the second color blocking in color blocking unit
4C1, while it is the flat effect in color membrane substrates surface that protective layer, which also acts,.Further, the protective layer 6 is that thermal sensation is organic
Film layer, and the material of the thermal sensation organic film uses propylene resin mostly, wherein, propylene resin be divided into thermmohardening type with
Two kinds of photo-hardening type, protective layer 6 is using thermmohardening type propylene resin.
In embodiments of the present invention, the function that light shield layer 2 is is shading, it is therefore an objective to provides contrast, avoids connected color
Colour mixture between resistance layer, reduce the reflection of ambient light.The stock of light shield layer is chromium metal, can also adulterate black pigment (carbon)
Allyl resin.
Embodiment 2
As shown in fig. 6, another color film substrate structure schematic diagram that the embodiment of the present invention 2 provides, the color membrane substrates bag
Include substrate 1, multiple (not shown)s of color blocking unit 4 that the layer matrix on the substrate arranges and light shield layer 2.Wherein color
Resistance unit includes light sensation organic film 4A, the first color blocking 4B2 and the second color blocking 4C2, wherein the first color blocking 4B2 and the second color blocking
4C2 is respectively red color resistance layer and green color blocking layer.
In embodiments of the present invention, because the color blocking unit includes a light sensation organic film that can pass through short wavelength light
Layer, and backlight is short wavelength light, and preferable short wavelength light is blue light in embodiment, and because light sensation organic film is than existing
Common blue color blocking in technology has higher transmitance, and prior art is compared, and improves the colour gamut of liquid crystal display panel.
Further, as shown in fig. 7, in the incidence surface side of the first color blocking 4B2 formed with the first quantum dot film 5B,
In the incidence surface side of the second color blocking 4C2 formed with the second quantum dot film 5C.
Wherein, the first quantum dot in the first quantum dot film 5B of the first color blocking 4B2 incident sides can be with by blue light illumination
Feux rouges is emitted after exciting, it is believed that the first quantum dot is red light quantum point, the second quantum dot film of the second color blocking 4C2 incident sides
The second quantum dot in 5C can excite outgoing green glow by blue light illumination, it is believed that and the first quantum dot is red light quantum point,
And due to quantum dot light emitting efficiency high and the spectral line of emission is narrow, thus it is possible to by the blue light Efficient Conversion of shortwave into close to monochrome
The feux rouges or green glow of light, and then colour gamut is improved, improve the display quality of picture.
Further, the light sensation organic film also has solvent certainly including light trigger, polymer monomer..Wherein, institute
It is due to that the light trigger in photoactive material produces free radical under the irradiation of ultraviolet light to state light sensation organic film, so as to trigger list
Body polymerization crosslinking solidifies, and forms film.
Further, the light trigger includes benzil class polymer, alkyl phenones and birdsed of the same feather flock together compound or acyl group phosphorus oxidation
Thing polymer；The polymer monomer includes acrylic ester compound.
Wherein, the light trigger in the embodiment of the present invention does not limit to benzil class, in addition to other radical polymerization closing lights are drawn
Send out agent.
In addition, solvent is generally propylene glycol methyl ether acetate.
In addition, in embodiments of the present invention, the minimum thickness for the light sensation organic film that color blocking unit includes can be 1.0 micro-
Rice, accordingly, the maximum gauge of light sensation organic film can reach 3.0 microns.Due to the thickness and blue light of light sensation organic film
Transmitance be in inverse relation, so in actual applications, can be required to set light sensation organic film according to the transmitance of blue light
Thickness.Preferably, the thickness of light sensation organic film is most thick is no more than 2.0 microns, most thin to be not less than 1.7 microns.
Further, the transmitance of the light sensation organic film is 70-99%.Due to the thickness and indigo plant of light sensation organic film
The transmitance of light is in the relation of inverse ratio, so, if the thickness of light sensation organic film is reduced to 2.5 microns, light sensation organic film
Between layer can reach 90%~99% to the transmitance of blue light, if the thickness of light sensation organic film increases to 2.9 microns,
Light sensation organic film is reduced between 75%~86% to the transmitance of blue light.
In embodiments of the present invention, by the setting to light sensation organic film thickness, the transmitance of blue light can be controlled, by
Feux rouges can be passed through in the first color blocking 4B2, the second color blocking 4C2 can pass through green glow, so on a display panel with RGB three
Primary colors realizes colored display, according to the thickness of the light sensation organic film of setting, controls the transmitance of blue light, and then control liquid crystal
The colourity for the white light that three coloured light is mixed into display screen.
Further, the first quantum dot or the second quantum dot are core-shell type quantum dot.
Further, the core-shell type red light quantum point and the material of the hud typed green light quantum point can be with identical
Can be different, the combination of its core material and shell material matter can be selected from one kind in following three：
The core material of the core-shell type quantum dot is cadmium selenide, and the shell material matter of core-shell type quantum dot is zinc sulphide；Or
The core material of the core-shell type quantum dot is cadmium selenide, and the shell material matter of the core-shell type quantum dot is cadmium sulfide；
Or
The core material of the core-shell type quantum dot is cadmium sulfide, and the shell material matter of the core-shell type quantum dot is zinc sulphide.
In embodiments of the present invention, the light of backlight is converted using core-shell type quantum point, from absorption and transmitting light
From the point of view of spectrum, the quantum dot of core shell structure has the more excellent characteristics of luminescence, can significantly reduce the surface defect of nano particle,
Substantially increase luminous efficiency.Therefore, it is beneficial to improve luminous effect using hud typed red light quantum point and hud typed green light quantum point
Rate.
Further, can be in the first color due to the exciting by short wavelength light blue light of red light quantum point and green light quantum point
Resistance layer 4B2 areas can produce the feux rouges of monochrome, the green glow of monochrome can be produced in the second color blocking layer 4C2 areas, by adjusting red quantum
The concentration of point and green light quantum point, the purity of feux rouges and green glow can be controlled.
In embodiments of the present invention, the quantum efficiency of the quantum dot of nucleocapsid material, can be by backlight up to 80%~90%
The short wavelength light overwhelming majority in source is converted into feux rouges or green glow, due to light sensation organic film compared with prior art in common blue color
Resistance can improve the transmitance to blue light, so the white brightness that RGB mixing obtains afterwards on liquid crystal display panel is more
Height, accordingly, colour gamut are higher.Because the thickness of the transmitance of blue light and light sensation organic film is in inverse relation, quantum dot will be carried on the back
Light be converted to feux rouges or green glow and quantum dot material and concentration it is related, and the white brightness of LCDs and feux rouges, green glow
Have to blue light it is related, so in embodiments of the present invention, blue light can be changed by the thickness for adjusting light sensation organic film
Transmitance, and then the white brightness of LCDs can be adjusted；By the material or dense for adjusting feux rouges and/or green light quantum point
Degree, thus it is possible to vary the transmitance of feux rouges and/or green glow, and then the white brightness of LCDs can be adjusted.
In the embodiment of the present invention, due in the first color blocking 4B2 incidence surface side formed with the first quantum dot film 5B, in institute
The second color blocking 4C2 incidence surface side is stated formed with the second quantum dot film 5C, so the white brightness of LCDs is improved,
Corresponding volume improves the colour gamut of LCDs.Prior art mainly lifts the color of liquid crystal display by increasing color blocking thickness
Domain, but this can bring the reduction of penetrance.The embodiment of the present invention also improves penetrance while colour gamut is improved.
Further, as shown in figure 8, being additionally provided with protective layer 6 in color blocking unit described in the embodiment of the present invention.Protective layer
Effect be to protect light sensation organic film 4A, the first color blocking 4B2 and the second color blocking 4C2 in color blocking unit, while protective layer is also
It is the flat effect in color membrane substrates surface to serve.Further, the protective layer is thermal sensation organic film, and the thermal sensation has
The material of machine film layer uses propylene resin mostly, wherein, propylene resin is divided into two kinds of thermmohardening type and photo-hardening type, protection
Layer 6 is using thermmohardening type propylene resin.
In embodiments of the present invention, the function that light shield layer 2 is is shading, it is therefore an objective to provides contrast, avoids connected color
Colour mixture between resistance layer, reduce the reflection of ambient light.The stock of light shield layer is chromium metal, can also adulterate black pigment (carbon)
Allyl resin.
Embodiment 3
Based on same inventive concept, the embodiment of the present invention 3 also provides a kind of display panel, and the display panel includes above-mentioned
Color membrane substrates, array base palte during embodiment is any and positioned at display dielectric layer between the two.
Embodiment 4
The embodiment of the present invention 4 also provides a kind of display device, including display panel and backlight mould described in embodiment 3
Group.
Further, the backlight module provides short wavelength light for the display panel.
Preferably, backlight can be the Light-Emitting Diode LED of transmitting blue light.
Display device in the embodiment of the present invention includes the color blocking of at least one light sensation organic film, energy due to display panel
The shortwave blue light provided through backlight, and light sensation organic film is higher than blue color blocking to short to the transmitance of shortwave blue light
The transmitance of ripple blue light；Display panel also includes quantum dot, and quantum dot can convert the light of other frequencies in shortwave blue light
For with color blocking color identical light, the utilization rate and display brightness of backlight can be improved.Display dress provided in an embodiment of the present invention
Put, by controlling the thickness of light sensation organic film, can either control material or concentration or the control second of the first quantum dot
The material or concentration of quantum dot, so as to the white light colourity of control display screen.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (17)
- A kind of 1. color membrane substrates, it is characterised in that including：Substrate；Include multiple color blocking units arranged in arrays on the substrate；At least one color blocking unit includes a light sensation organic film；The light sensation organic film passes through short wavelength light, described short The glistening light of waves is blue light.
- 2. color membrane substrates as claimed in claim 1, it is characterised in that also include the first color blocking, the second color on the color blocking unit Resistance；First color blocking passes through feux rouges；Second color blocking passes through green glow.
- 3. color membrane substrates as claimed in claim 1, it is characterised in thatIn the first color blocking incidence surface side formed with the first quantum dot film, the first quantum in the first quantum dot film layer Point inspires feux rouges after illumination；In the second color blocking incidence surface side formed with the second quantum dot film, the second quantum dot in the second quantum dot film Green glow is excited after illumination.
- 4. color membrane substrates as claimed in claim 3, it is characterised in that first color blocking and second color blocking are yellow color blocking Layer.
- 5. the color membrane substrates as described in Claims 2 or 3, it is characterised in that first color blocking is red color resistance layer, described second Color blocking is green color blocking layer.
- 6. color membrane substrates as claimed in claim 1, it is characterised in that the light sensation organic film includes light trigger and polymer Monomer.
- 7. color membrane substrates as claimed in claim 6, it is characterised in that the light trigger includes benzil class polymer, alkyl Benzophenone is birdsed of the same feather flock together compound or acyl group phosphorous oxides polymer；The polymer monomer includes acrylic ester compound.
- 8. color membrane substrates as claimed in claim 1, it is characterised in that the thickness of the light sensation organic film is 1.0-3.0 microns.
- 9. color membrane substrates as claimed in claim 1, it is characterised in that the thickness of the light sensation organic film is 1.7-2.0 microns.
- 10. color membrane substrates as claimed in claim 1, it is characterised in that the transmitance of the light sensation organic film is 70-99%.
- 11. color membrane substrates as claimed in claim 3, it is characterised in that first quantum dot or the second quantum dot are core-shell type Quantum dot.
- 12. color membrane substrates as claimed in claim 11, it is characterised in that the core material of the core-shell type quantum dot is cadmium selenide, The shell material matter of core-shell type quantum dot is zinc sulphide；OrThe core material of the core-shell type quantum dot is cadmium selenide, and the shell material matter of the core-shell type quantum dot is cadmium sulfide；OrThe core material of the core-shell type quantum dot is cadmium sulfide, and the shell material matter of the core-shell type quantum dot is zinc sulphide.
- 13. color membrane substrates as claimed in claim 1, it is characterised in that the color membrane substrates also include covering the color blocking unit Protective layer；The protective layer of stating is thermal sensation organic film.
- 14. color membrane substrates as claimed in claim 13, it is characterised in that the thermal sensation organic film material is propylene resin.
- 15. a kind of display panel, it is characterised in that including the color membrane substrates as described in any in claim 1~14, array base Plate and positioned at display dielectric layer between the two.
- 16. a kind of display device, it is characterised in that including display panel as claimed in claim 15 and backlight module；It is described Backlight module provides short wavelength light for the display panel.
- 17. display device as claimed in claim 16, it is characterised in that the short wavelength light is blue light.
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| CN105068296B (en) * | 2015-09-14 | 2019-02-19 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN110853528A (en) * | 2018-08-21 | 2020-02-28 | 咸阳彩虹光电科技有限公司 | White light OLED display panel and display thereof |
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| CN103278961A (en) * | 2013-04-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display device |
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| CN103370642A (en) * | 2011-01-28 | 2013-10-23 | 东洋油墨Sc控股株式会社 | Colored composition for color filters, and color filter |
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| CN103370642A (en) * | 2011-01-28 | 2013-10-23 | 东洋油墨Sc控股株式会社 | Colored composition for color filters, and color filter |
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