CN106019454A - Metal wire grid polarizing film and liquid crystal display device - Google Patents
Metal wire grid polarizing film and liquid crystal display device Download PDFInfo
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- CN106019454A CN106019454A CN201610613055.9A CN201610613055A CN106019454A CN 106019454 A CN106019454 A CN 106019454A CN 201610613055 A CN201610613055 A CN 201610613055A CN 106019454 A CN106019454 A CN 106019454A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 55
- 239000002184 metal Substances 0.000 title claims abstract description 55
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- 239000000758 substrate Substances 0.000 claims description 132
- 239000010931 gold Substances 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
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- 244000154870 Viola adunca Species 0.000 abstract 2
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- 239000004642 Polyimide Substances 0.000 description 6
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- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
-
- 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
- G02F1/133528—Polarisers
-
- 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- 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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
Abstract
The invention provides a metal wire grid polarizing film and a liquid crystal display device. The metal wire grid polarizing film comprises blue light quantum dots, the blue light emitted by blue light quantum dots is used to compensate the problem of the low transmission rate of the metal wire grid polarizing film in a blue light area, the color cast of the liquid crystal display device is prevented, and the display quality of the liquid crystal display device is improved. According to the liquid crystal display device of the invention, through arranging the blue light quantum dots in the metal wire grid polarizing film or individually arranging a blue light quantum dot film layer in the liquid crystal display device, the blue light quantum dots can absorb the UV light and blue violet light of the short wave high energy emitted by a blue light emitting diode, the light utilization rate of a back light source can be improved, the damage to eyes by the UV light and blue violet light with short wavelengths can be avoided, at the same time, the blue light emitted by the blue light quantum dots can compensate the problem of the low transmission rate of the metal wire grid polarizing film in the blue light area, the color cast of the liquid crystal display device is prevented, and the display quality of the liquid crystal display device is improved.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of wire grating polaroid and fill with liquid crystal display
Put.
Background technology
Along with development and the progress of society of science and technology, people are for the dependence of the aspect such as communication for information and transmission
Degree increases day by day.And display device particularly liquid crystal indicator (Liquid Crystal Display, LCD)
The main carriers as information exchange and transmitted and material base, have become as Jiao that more and more people pays close attention to
Point, and it is widely used in the every aspect of work and life.
For liquid crystal indicator, backlight is its requisite ingredient.In general,
The backlight of liquid crystal indicator is to use blue light-emitting diode (LED, Light Emitting Diode)
The blue light sent excites yttrium-aluminium-garnet (YAG) fluorescent material, forms white light after mediation.Common indigo plant
The blue light energy that color light emitting diode sends is higher, and luminescence band inevitably includes that wavelength is less than
The ultraviolet of 420nm and royal purple optical range, at blue LED as the backlight of liquid crystal indicator
In the case of source, after long-time viewing, eyes can be caused by the excess radiation of ultraviolet and royal purple light can not
Inverse injury, infringement health.Moreover, this some light can not be fully utilized, thus causes energy
The loss in source.From the point of view of in terms of energy-conserving and environment-protective and protection eye health the two, blue LED is all
There is its intrinsic defect, it would be highly desirable to searce way solves above-mentioned energy waste and unhealthful problem.
The operation principle of liquid crystal indicator is to utilize the birefringence of liquid crystal, by Control of Voltage liquid crystal
Rotation, make the line polarized light after lower polaroid rotate therewith, from upper polaroid (with lower partially
The polarization direction of mating plate is vertical) injection, thus upper and lower polaroid plus liquid crystal cell play photoswitch (or
Light valve) effect.The light of backlight outgoing can be decomposed into vertical (p) and polaroid under parallel (s)
Absorbing the light component of axle, the light (s) being wherein parallel to absorb axle is absorbed by lower polaroid, is perpendicular to absorb
The light (p) of axle passes lower polaroid, by the rotation of Control of Voltage liquid crystal, makes the line through lower polaroid
Polarized light (p) rotates therewith, then passes from upper polaroid, is parallel to absorb axial light (s)
Absorbed.Owing to the transmitance of upper and lower polaroid is respectively 38%～48%, thus greatly reduce liquid
The overall light transmission rate of crystal device, brightness, contrast and transmitance etc. at liquid crystal indicator are wanted
Asking under the highest trend, traditional absorption-type polaroid can not make full use of incident illumination, greatly damages
Lose light utilization efficiency, and increase considerably the energy consumption of backlight.It addition, existing iodine molecule or dyestuff
It is that the making of polaroid needs multilayer resist etc., not only causes liquid crystal indicator integral thickness to increase,
Cost improves, and reliability is poor, and above variety of problems makes traditional absorption-type polaroid energy-conservation in future
Application with the liquid crystal indicator display field such as slimming, outdoor display is the most limited.
Compared with traditional absorption-type polaroid, nano metal wiregrating polaroid can hang down through polarization direction
Straight in the incident illumination in wiregrating direction, and polarization direction is parallel to the luminous reflectance in wiregrating direction, by increasing
Anti-reflection layers etc., nanometer wiregrating polaroid is far longer than traditional absorption-type polarisation through the ability of incident illumination
Sheet, transmitance is up to more than 90%, and contrast also has the height of 10000:1 such that it is able to significantly carry
The light transmission rate of high liquid crystal indicator and contrast, very big meet nowadays high permeability and high-contrast
The market demand of liquid crystal indicator.Further, since wire grating polaroid can be at high temperature or high humility ring
Border realizes the durability of brilliance, so wire grating polaroid waits reliability to require harsh neck out of doors
Territory has incomparable advantage.
But, wire grating polaroid while there is high permeability and high-contrast, its wavelength dependency
Property yet suffers from.As it is shown in figure 1, in short wavelength range, i.e. blue region, wire grating polaroid
Transmitance is relatively low.
Summary of the invention
It is an object of the invention to provide a kind of wire grating polaroid, containing blue light quantum point, available
Blue light that blue light quantum point sends compensates wire grating polaroid in the relatively low problem of blue region transmitance,
Prevent liquid crystal indicator from colour cast occurring, promote the display quality of liquid crystal indicator.
The present invention also aims to provide a kind of liquid crystal indicator, by wire grating polaroid
Arranging blue light quantum point, the blue light utilizing blue light quantum point to send compensates wire grating polaroid in blue light region
The problem that territory transmitance is relatively low, prevents liquid crystal indicator from colour cast occur, promotes the aobvious of liquid crystal indicator
Show quality.
The present invention also aims to provide a kind of liquid crystal indicator, by single in liquid crystal indicator
Solely arranging blue light quantum point film layer, the blue light utilizing blue light quantum point to send compensates wire grating polaroid and exists
The problem that blue region transmitance is relatively low, prevents liquid crystal indicator from colour cast occur, promotes liquid crystal display dress
The display quality put.
For achieving the above object, present invention firstly provides a kind of wire grating polaroid, including substrate and set
Metal wire gate layer on described substrate；
Described metal wire gate layer includes several wire grating unit arranged in parallel, described wire grating unit bag
Include a bonding jumper and be located at a bar shaped clearance space of this bonding jumper side；
Described wire grating polaroid also includes dielectric layer and at least one in anti-reflection layer, described dielectric layer
And anti-reflection layer is all located between described substrate and metal wire gate layer, when described wire grating polaroid wraps simultaneously
During containing dielectric layer with anti-reflection layer, described dielectric layer does not limits with the upper-lower position of anti-reflection layer；
Described dielectric layer contains blue light quantum point with at least one in anti-reflection layer.
The width of described wire grating unit is 10nm-300nm；The width of described bonding jumper accounts for described metal
The ratio of the width of wiregrating unit is 0.1-0.9；The thickness of described bonding jumper is 10nm-500nm.
The present invention also provides for a kind of liquid crystal indicator, including display panels be located at described liquid crystal display
The backlight of panel incident side；
Described backlight includes blue LED；
Described display panels includes: the first substrate being oppositely arranged and second substrate, be located at described first
Liquid crystal layer between substrate and second substrate, it is located between described first substrate and second substrate and is positioned at described
The peripheral fluid sealant of liquid crystal layer, to be located at described first substrate inclined towards the first wire grating on liquid crystal layer side
Mating plate and be located at described second substrate towards the second wire grating polaroid on liquid crystal layer side；
Described first wire grating polaroid includes the first substrate and is located at the metal on described first substrate
Wire-grid layer；Described metal wire gate layer includes several wire grating unit arranged in parallel, described wire grating list
Unit includes a bonding jumper and is located at a bar shaped clearance space of this bonding jumper side；
Described first wire grating polaroid also includes dielectric layer and at least one in anti-reflection layer, is given an account of
Matter layer and anti-reflection layer are all located between described first substrate and metal wire gate layer, when described first wire grating
When polaroid comprises dielectric layer with anti-reflection layer simultaneously, the upper-lower position of described dielectric layer and anti-reflection layer is not
Limit；
Described second wire grating polaroid includes the second substrate and is located at the metal on described second substrate
Wire-grid layer；Described metal wire gate layer includes several wire grating unit arranged in parallel, described wire grating list
Unit includes a bonding jumper and is located at a bar shaped clearance space of this bonding jumper side；
Described second wire grating polaroid also includes dielectric layer and at least one in anti-reflection layer, is given an account of
Matter layer and anti-reflection layer are all located between described second substrate and metal wire gate layer, when described second wire grating
When polaroid comprises dielectric layer with anti-reflection layer simultaneously, the upper-lower position of described dielectric layer and anti-reflection layer is not
Limit；
Described liquid crystal indicator meets at least one in following two condition:
Condition 1, the dielectric layer of described first wire grating polaroid contain with at least one in anti-reflection layer
Blue light quantum point；
Condition 2, the dielectric layer of described second wire grating polaroid contain with at least one in anti-reflection layer
Blue light quantum point.
The width of described wire grating unit is 10nm-300nm；The width of described bonding jumper accounts for described metal
The ratio of the width of wiregrating unit is 0.1-0.9；The thickness of described bonding jumper is 10nm-500nm.
The present invention also provides for another kind of liquid crystal indicator, including display panels be located at described liquid crystal
Show the backlight of panel incident side；
Described backlight includes blue LED；
Described display panels includes: the first substrate being oppositely arranged and second substrate, be located at described first
Liquid crystal layer between substrate and second substrate, it is located between described first substrate and second substrate and is positioned at described
The peripheral fluid sealant of liquid crystal layer, to be located at described first substrate inclined towards the first wire grating on liquid crystal layer side
Mating plate and be located at described second substrate towards the second wire grating polaroid on liquid crystal layer side；
Described first wire grating polaroid includes the first substrate and is located at the metal on described first substrate
Wire-grid layer；Described metal wire gate layer includes several wire grating unit arranged in parallel, described wire grating list
Unit includes a bonding jumper and is located at a bar shaped clearance space of this bonding jumper side；
Described second wire grating polaroid includes the second substrate and is located at the metal on described second substrate
Wire-grid layer；Described metal wire gate layer includes several wire grating unit arranged in parallel, described wire grating list
Unit includes a bonding jumper and is located at a bar shaped clearance space of this bonding jumper side；
Described liquid crystal indicator meets at least one in following four condition:
It is provided with blue light quantum point film layer between condition 1, described first substrate and the first wire grating polaroid；
It is provided with blue light quantum point film layer between condition 2, described second substrate and the second wire grating polaroid；
Condition 3, described first substrate are provided with away from the outer surface of described first wire grating polaroid side
Blue light quantum point film layer；
Condition 4, described second substrate are provided with away from the outer surface of described second wire grating polaroid side
Blue light quantum point film layer.
The width of described wire grating unit is 10nm-300nm；The width of described bonding jumper accounts for described metal
The ratio of the width of wiregrating unit is 0.1-0.9；The thickness of described bonding jumper is 10nm-500nm.
In the first embodiment of described liquid crystal indicator, described liquid crystal indicator is only at described first substrate
And it is provided with blue light quantum point film layer between the first wire grating polaroid.
In second embodiment of described liquid crystal indicator, described liquid crystal indicator is only at described second substrate
And it is provided with blue light quantum point film layer between the second wire grating polaroid.
In 3rd embodiment of described liquid crystal indicator, described liquid crystal indicator is only at described second substrate
Outer surface away from described second wire grating polaroid side is provided with blue light quantum point film layer.
In 4th embodiment of described liquid crystal indicator, described liquid crystal indicator is only at described first substrate
Outer surface away from described first wire grating polaroid side is provided with blue light quantum point film layer.
Beneficial effects of the present invention: a kind of wire grating polaroid that the present invention provides contains blue light quantum point,
The blue light utilizing blue light quantum point to send compensates wire grating polaroid in relatively low the asking of blue region transmitance
Topic, prevents liquid crystal indicator from colour cast occur, promotes the display quality of liquid crystal indicator.The present invention carries
A kind of liquid crystal indicator of confession, by arranging blue light quantum point in wire grating polaroid, or
Being separately provided blue light quantum point film layer in liquid crystal indicator, described blue light quantum point can absorb blue sending out
The high-octane ultraviolet light of shortwave and royal purple light that optical diode sends send blue light, can not only improve backlight
The light utilization ratio in source, and it can be avoided that eyes are caused damage by the ultraviolet light of short wavelength and royal purple light,
Meanwhile, the blue light that blue light quantum point sends can compensate wire grating polaroid in blue region transmitance relatively
Low problem, prevents liquid crystal indicator from colour cast occur, promotes the display quality of liquid crystal indicator.
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with the present invention
Detailed description and accompanying drawing, but accompanying drawing only provide with reference to and explanation use, not be used for the present invention is limited
System.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail, the skill of the present invention will be made
Art scheme and other beneficial effect are apparent.
In accompanying drawing,
Fig. 1 is the schematic diagram of the light penetration curve of existing wire grating polaroid；
Fig. 2 is the light penetration curve luminous light with blue light quantum point of existing wire grating polaroid
The schematic diagram of spectral curve；
Fig. 3 is the structural representation of an embodiment of the wire grating polaroid of the present invention；
Fig. 4 is the structural representation of an embodiment of the first liquid crystal indicator of the present invention；
Fig. 5 is the structural representation of the first embodiment of the second liquid crystal indicator of the present invention；
Fig. 6 is the structural representation of the second embodiment of the second liquid crystal indicator of the present invention；
Fig. 7 is the structural representation of the 3rd embodiment of the second liquid crystal indicator of the present invention；
Fig. 8 is the structural representation of the 4th embodiment of the second liquid crystal indicator of the present invention.
Detailed description of the invention
By further illustrating the technological means and effect thereof that the present invention taked, below in conjunction with the present invention's
Preferred embodiment and accompanying drawing thereof are described in detail.
Refer to Fig. 2, for light penetration curve and the blue light quantum point of existing wire grating polaroid
The schematic diagram of luminescent spectrum curve, from figure 2 it can be seen that the luminosity curve of blue light quantum point can substantially cover
The blue wavelength range that the transmitance of lid wire grating polaroid is relatively low, therefore, the present invention is former based on this
Reason, uses blue light quantum point to make up wire grating polaroid in the relatively low problem of blue region transmitance,
Prevent liquid crystal indicator from the problems such as colour cast occurring.
Referring to Fig. 3, the present invention provides a kind of wire grating polaroid, including substrate 10 and be located at described
Metal wire gate layer 20 on substrate 10；
Described metal wire gate layer 20 includes several wire grating unit 21 arranged in parallel, described wire grating
Unit 21 includes a bonding jumper 201 and is located at a bar shaped clearance space 202 of this bonding jumper 201 side；
Described wire grating polaroid also includes dielectric layer 30 and at least one in anti-reflection layer 40, is given an account of
Matter layer 30 and anti-reflection layer 40 are all located between described substrate 10 and metal wire gate layer 20, when described wire grating
When polaroid comprises dielectric layer 30 with anti-reflection layer 40 simultaneously, described dielectric layer 30 is upper and lower with anti-reflection layer 40
Position does not limits；
Described dielectric layer 30 contains blue light quantum point with at least one in anti-reflection layer 40.
Concrete, refer to Fig. 3, for an embodiment of the wire grating polaroid of the present invention, in this enforcement
In example, described wire grating polaroid includes dielectric layer 30 and anti-reflection layer 40 simultaneously, and dielectric layer 30 and
Anti-reflection layer 40 is sequentially arranged on substrate 10, and described dielectric layer 30 is containing blue light quantum point.
Concrete, the width (i.e. the cycle of wire grating) of described wire grating unit 21 is 10nm-300nm,
It is preferably 10nm-100nm.
Concrete, the width of described bonding jumper 201 accounts for the ratio of the width of described wire grating unit 21 (i.e.
The dutycycle of wire grating) it is 0.1-0.9.
Concrete, the thickness of described bonding jumper 201 is 10nm-500nm, preferably 50nm～500nm.
Concrete, the material of described metal wire gate layer 20 include aluminum (Al), chromium (Cr), gold (Au) and
At least one in nickel (Ni)；
Concrete, the material of described substrate 10 includes glass, polyimides (PI) and polymethylacrylic acid
At least one in methyl ester (PMMA).
Concrete, described anti-reflection layer 40 is antireflection film, antireflective coating or anti-reflection film commonly used in the art,
Here is omitted for its concrete structure and material composition.When arranging anti-reflection layer 40 in wire grating polaroid
Time, the light transmission rate of wire grating polaroid can be improved.
Concrete, the material of described dielectric layer 30 is usually high-index material, such as polymethyl methacrylate
(PMMA) etc..When arranging dielectric layer 30 in wire grating polaroid, by dielectric layer 30
Select suitable material, thicknesses of layers and refractive index, the efficiency of transmission of specific wavelength can be improved.
Concrete, described blue light quantum point can the absorbing wavelength ultraviolet light less than 420nm and royal purple light.
Concrete, the wave-length coverage of the blue light that described blue light quantum point sends is 420nm～480nm.
Above-mentioned wire grating polaroid, by arranging blue light quantum point in anti-reflection layer or dielectric layer, can profit
The high-octane ultraviolet light of shortwave and the purple light excited blue light quantum point of indigo plant that send with blue LED send
Blue light, can not only improve the light utilization ratio of backlight, and it can be avoided that the ultraviolet light of short wavelength and indigo plant
Eyes are caused damage by purple light, and meanwhile, the blue light utilizing blue light quantum point to send compensates wire grating polaroid
In the problem that blue region transmitance is relatively low, prevent liquid crystal indicator from colour cast occurring, promote liquid crystal display dress
The display quality put.
Referring to Fig. 4, based on above-mentioned wire grating polaroid, the present invention provides the first liquid crystal indicator,
Including display panels 100 and the backlight 200 being located at described display panels 100 incident side；
Described backlight 200 includes blue LED；
Described display panels 100 includes: the first substrate 51 being oppositely arranged and second substrate 52, be located at
Liquid crystal layer 70 between described first substrate 51 and second substrate 52, it is located at described first substrate 51 and the second base
Between plate 52 and be positioned at the fluid sealant 80 of described liquid crystal layer 70 periphery, be located at described first substrate 51 towards liquid crystal
Layer 70 side on the first wire grating polaroid 91 and be located at described second substrate 52 towards liquid crystal layer 70
The second wire grating polaroid 92 on side；
Described first wire grating polaroid 91 includes the first substrate 11 and is located at described first substrate 11
On metal wire gate layer 20；Described metal wire gate layer 20 includes several wire grating unit 21 arranged in parallel,
Described wire grating unit 21 include a bonding jumper 201 and be located at this bonding jumper 201 side a bar shaped between
Every space 202；
Described first wire grating polaroid 91 also includes dielectric layer 30 and at least one in anti-reflection layer 40,
Described dielectric layer 30 and anti-reflection layer 40 are all located between described first substrate 11 and metal wire gate layer 20, work as institute
State the first wire grating polaroid 91 when comprising dielectric layer 30 with anti-reflection layer 40, described dielectric layer 30 simultaneously
Do not limit with the upper-lower position of anti-reflection layer 40；
Described second wire grating polaroid 92 includes the second substrate 12 and is located at described second substrate 12
On metal wire gate layer 20；Described metal wire gate layer 20 includes several wire grating unit 21 arranged in parallel,
Described wire grating unit 21 include a bonding jumper 201 and be located at this bonding jumper 201 side a bar shaped between
Every space 202；
Described second wire grating polaroid 92 also includes dielectric layer 30 and at least one in anti-reflection layer 40,
Described dielectric layer 30 and anti-reflection layer 40 are all located between described second substrate 12 and metal wire gate layer 20, work as institute
State the second wire grating polaroid 92 when comprising dielectric layer 30 with anti-reflection layer 40, described dielectric layer 30 simultaneously
Do not limit with the upper-lower position of anti-reflection layer 40；
Described first wire grating polaroid 91 and the second wire grating polaroid 92 meet following two condition
In at least one:
Condition 1, dielectric layer 30 and at least in anti-reflection layer 40 of described first wire grating polaroid 91
Individual containing blue light quantum point；
Condition 2, dielectric layer 30 and at least in anti-reflection layer 40 of described second wire grating polaroid 92
Individual containing blue light quantum point.
Concrete, refer to Fig. 4, for an embodiment of the first liquid crystal indicator of the present invention, at this
In embodiment, described first wire grating polaroid 91 and the second wire grating polaroid 92 include being situated between the most simultaneously
Matter layer 30 and anti-reflection layer 40, and dielectric layer 30 and anti-reflection layer 40 be sequentially arranged in the first substrate 11 and the
On two substrates 12.
Concrete, in this embodiment, the dielectric layer 30 of described second wire grating polaroid 92 is containing blue light
Quantum dot.
Concrete, the width (i.e. the cycle of wire grating) of described wire grating unit 21 is 10nm-300nm,
It is preferably 10nm-100nm.
Concrete, the width of described bonding jumper 201 accounts for the ratio of the width of described wire grating unit 21 (i.e.
The dutycycle of wire grating) it is 0.1-0.9.
Concrete, the thickness of described bonding jumper 201 is 10nm-500nm, preferably 50nm～500nm.
Concrete, the material of described metal wire gate layer 20 include aluminum (Al), chromium (Cr), gold (Au) and
At least one in nickel (Ni).
Concrete, described anti-reflection layer 40 is antireflection film, antireflective coating or anti-reflection film commonly used in the art,
Here is omitted for its concrete structure and material composition.When arranging anti-reflection layer 40 in wire grating polaroid
Time, the light transmission rate of wire grating polaroid can be improved.
Concrete, the material of described dielectric layer 30 is usually high-index material, such as polymethyl methacrylate
(PMMA) etc..When arranging dielectric layer 30 in wire grating polaroid, by dielectric layer 30
Select suitable material, thicknesses of layers and refractive index, the efficiency of transmission of specific wavelength can be improved.
Concrete, the material of described first substrate 11 and the second substrate 12 includes glass, polyimides respectively
(PI) at least one and in polymethyl methacrylate (PMMA).
Concrete, described blue light quantum point can the absorbing wavelength ultraviolet light less than 420nm and royal purple light.
Concrete, the wave-length coverage of the blue light that described blue light quantum point sends is 420nm～480nm.
Concrete, described first substrate 51 can each act as the first wire grating polaroid with second substrate 52
91 and second substrate of wire grating polaroid 92, thus save setting of the first substrate 11 and the second substrate 12
Put.
Concrete, described first substrate 51 is color membrane substrates, and described second substrate 52 is thin film transistor (TFT) array
Substrate.
Above-mentioned liquid crystal indicator, by using wire grating polaroid to replace traditional absorption-type polaroid,
The transmitance of liquid crystal indicator can be improved；By arranging blue light quantum point in wire grating polaroid, can
The high-octane ultraviolet light of shortwave and the purple light excited blue light quantum point of indigo plant that utilize blue LED to send are sent out
Go out blue light, can not only improve the light utilization ratio of backlight 200, and it can be avoided that the ultraviolet of short wavelength
Eyes are caused damage by light and royal purple light, and meanwhile, the blue light utilizing blue light quantum point to send compensates wire grating
Polaroid, in the relatively low problem of blue region transmitance, prevents liquid crystal indicator from colour cast occur, promotes liquid crystal
The display quality of display device.
Referring to Fig. 5-8, the present invention also provides for the second liquid crystal indicator, including display panels 100
With the backlight 200 being located at described display panels 100 incident side；
Described backlight 200 includes blue LED；
Described display panels 100 includes: the first substrate 51 being oppositely arranged and second substrate 52, be located at
Liquid crystal layer 70 between described first substrate 51 and second substrate 52, it is located at described first substrate 51 and the second base
Between plate 52 and be positioned at the fluid sealant 80 of described liquid crystal layer 70 periphery, be located at described first substrate 51 towards liquid crystal
Layer 70 side on the first wire grating polaroid 91 and be located at described second substrate 52 towards liquid crystal layer 70
The second wire grating polaroid 92 on side；
Described first wire grating polaroid 91 includes the first substrate 11 and is located on described first substrate 11
Metal wire gate layer 20；Described metal wire gate layer 20 includes several wire grating unit 21 arranged in parallel, institute
State wire grating unit 21 include a bonding jumper 201 and be located at a bar shaped interval sky of this bonding jumper 201 side
Between 202；
Described second wire grating polaroid 92 includes the second substrate 12 and is located on described second substrate 12
Metal wire gate layer 20；Described metal wire gate layer 20 includes several wire grating unit 21 arranged in parallel, institute
State wire grating unit 21 include a bonding jumper 201 and be located at a bar shaped interval sky of this bonding jumper 201 side
Between 202；
Described liquid crystal indicator meets at least one in following four condition:
Condition 1, between described first substrate 51 and the first wire grating polaroid 91, it is provided with blue light quantum point film
Layer 60；
Condition 2, between described second substrate 52 and the second wire grating polaroid 92, it is provided with blue light quantum point film
Layer 60；
On condition 3, described first substrate 51 outer surface away from described first wire grating polaroid 91 side
It is provided with blue light quantum point film layer 60；
On condition 4, described second substrate 52 outer surface away from described second wire grating polaroid 92 side
It is provided with blue light quantum point film layer 60.
Concrete, the width (i.e. the cycle of wire grating) of described wire grating unit 21 is 10nm-300nm,
It is preferably 10nm-100nm.
Concrete, the width of described bonding jumper 201 accounts for the ratio of the width of described wire grating unit 21 (i.e.
The dutycycle of wire grating) it is 0.1-0.9.
Concrete, the thickness of described bonding jumper 201 is 10nm-500nm, preferably 50nm～500nm.
Concrete, the material of described metal wire gate layer 20 include aluminum (Al), chromium (Cr), gold (Au) and
At least one in nickel (Ni).
Concrete, the material of described first substrate 11 and the second substrate 12 includes glass, polyimides respectively
(PI) at least one and in polymethyl methacrylate (PMMA).
Concrete, described blue light quantum point can the absorbing wavelength ultraviolet light less than 420nm and royal purple light.
Concrete, the wave-length coverage of the blue light that described blue light quantum point sends is 420nm～480nm.
Concrete, described first substrate 51 can each act as the first wire grating polaroid with second substrate 52
91 and second substrate of wire grating polaroid 92, thus save setting of the first substrate 11 and the second substrate 12
Put.
Concrete, described first wire grating polaroid 91 can also include dielectric layer 30 and anti-reflection layer 40
In at least one, described dielectric layer 30 and anti-reflection layer 40 are all located at described first substrate 11 and wire grating
Between layer 20, when described first wire grating polaroid 91 comprises dielectric layer 30 with anti-reflection layer 40 simultaneously,
Described dielectric layer 30 does not limits with the upper-lower position of anti-reflection layer 40.
Concrete, described second wire grating polaroid 92 can also include dielectric layer 30 and anti-reflection layer 40
In at least one, described dielectric layer 30 and anti-reflection layer 40 are all located at described second substrate 12 and wire grating
Between layer 20, when described second wire grating polaroid 92 comprises dielectric layer 30 with anti-reflection layer 40 simultaneously,
Described dielectric layer 30 does not limits with the upper-lower position of anti-reflection layer 40.
Concrete, described anti-reflection layer 40 is antireflection film, antireflective coating or anti-reflection film commonly used in the art,
Here is omitted for its concrete structure and material composition.When arranging anti-reflection layer 40 in wire grating polaroid
Time, the light transmission rate of wire grating polaroid can be improved.
Concrete, the material of described dielectric layer 30 is usually high-index material, such as polymethyl methacrylate
(PMMA) etc..When arranging dielectric layer 30 in wire grating polaroid, by dielectric layer 30 is selected
Suitably material, thicknesses of layers and refractive index, can improve wire grating polaroid and imitate the transmission of specific wavelength
Rate.
Concrete, described first substrate 51 is color membrane substrates, and described second substrate 52 is thin film transistor (TFT) array
Substrate.
As it is shown in figure 5, be the first embodiment of the second liquid crystal indicator of the present invention, this first enforcement
In example, only between described second substrate 52 and the second wire grating polaroid 92, it is provided with blue light quantum point film layer
60。
As shown in Figure 6, for the second embodiment of the second liquid crystal indicator of the present invention, this second enforcement
In example, only between described first substrate 51 and the first wire grating polaroid 91, it is provided with blue light quantum point film layer
60。
As it is shown in fig. 7, be the 3rd embodiment of the second liquid crystal indicator of the present invention, the 3rd implements
In example, only set on the described second substrate 52 outer surface away from described second wire grating polaroid 92 side
There is a blue light quantum point film layer 60, namely a blue light quantum is set in the incident side of described display panels 100
Point film layer 60.
As shown in Figure 8, for the 4th embodiment of the second liquid crystal indicator of the present invention, the 4th implements
In example, only set on the described first substrate 51 outer surface away from described first wire grating polaroid 91 side
There is a blue light quantum point film layer 60, namely blue light quantum point is set in the light emission side of described display panels 100
Film layer 60.
Above-mentioned liquid crystal indicator, by using wire grating polaroid to replace traditional absorption-type polaroid,
The transmitance of liquid crystal indicator can be improved；By being separately provided blue light quantum point film in liquid crystal indicator
Layer 60, the high-octane ultraviolet light of shortwave that available blue LED sends and indigo plant purple light excited blue light amount
Son point sends blue light, can not only improve the light utilization ratio of backlight 200, and it can be avoided that short wavelength
Ultraviolet light and royal purple light eyes are caused damage, meanwhile, utilize the blue light compensation payment that blue light quantum point sends
Belong to wiregrating polaroid in the relatively low problem of blue region transmitance, prevent liquid crystal indicator from colour cast occurring, carry
Rise the display quality of liquid crystal indicator.
In sum, the present invention provides a kind of wire grating polaroid and liquid crystal indicator.The present invention's
Wire grating polaroid, containing blue light quantum point, the blue light utilizing blue light quantum point to send compensates metal wire
Grid polaroid, in the relatively low problem of blue region transmitance, prevents liquid crystal indicator from colour cast occur, promotes
The display quality of liquid crystal indicator；The liquid crystal indicator of the present invention, by wire grating polaroid
In blue light quantum point is set, or in liquid crystal indicator, be separately provided blue light quantum point film layer, described
Blue light quantum point can absorb the high-octane ultraviolet light of shortwave that blue LED sends and royal purple light is sent out
Go out blue light, can not only improve the light utilization ratio of backlight, and it can be avoided that the ultraviolet light of short wavelength
With royal purple light, eyes being caused damage, meanwhile, the blue light that blue light quantum point sends can compensate wire grating
Polaroid, in the relatively low problem of blue region transmitance, prevents liquid crystal indicator from colour cast occur, promotes liquid
The display quality of crystal device.
The above, for the person of ordinary skill of the art, can be according to the technical side of the present invention
Other various corresponding changes and deformation are made in case and technology design, and all these change and deformation are all answered
Belong to the protection domain of the claims in the present invention.
Claims (10)
1. a wire grating polaroid, it is characterised in that include substrate (10) and be located at described lining
Metal wire gate layer (20) at the end (10)；
Described metal wire gate layer (20) includes several wire grating unit (21) arranged in parallel, described gold
Belong to wiregrating unit (21) include a bonding jumper (201) and be located at a bar shaped of this bonding jumper (201) side
Clearance space (202)；
Described wire grating polaroid also includes dielectric layer (30) and at least one in anti-reflection layer (40),
Described dielectric layer (30) and anti-reflection layer (40) are all located at described substrate (10) and metal wire gate layer (20)
Between, when described wire grating polaroid comprises dielectric layer (30) with anti-reflection layer (40) simultaneously, institute
The upper-lower position stating dielectric layer (30) and anti-reflection layer (40) does not limits；
Described dielectric layer (30) contains blue light quantum point with at least one in anti-reflection layer (40).
2. wire grating polaroid as claimed in claim 1, it is characterised in that described wire grating unit
(21) width is 10nm-300nm；The width of described bonding jumper (201) accounts for described wire grating unit
(21) ratio of width is 0.1-0.9；The thickness of described bonding jumper (201) is 10nm-500nm.
3. a liquid crystal indicator, it is characterised in that include display panels (100) and be located at institute
State the backlight (200) of display panels (100) incident side；
Described backlight (200) includes blue LED；
Described display panels (100) including: the first substrate (51) being oppositely arranged and second substrate
(52) liquid crystal layer (70), be located between described first substrate (51) and second substrate (52), it is located at
Between described first substrate (51) and second substrate (52) and be positioned at peripheral close of described liquid crystal layer (70)
Sealing (80), it is located at described first substrate (51) towards the first metal wire on liquid crystal layer (70) side
Grid polaroid (91) and be located at described second substrate (52) towards on liquid crystal layer (70) side
Two wire grating polaroids (92)；
Described first wire grating polaroid (91) includes the first substrate (11) and is located at described first lining
Metal wire gate layer (20) at the end (11)；Described metal wire gate layer (20) includes arranged in parallel several
Wire grating unit (21), described wire grating unit (21) includes a bonding jumper (201) and is located at this
One bar shaped clearance space (202) of bonding jumper (201) side；
Described first wire grating polaroid (91) also includes in dielectric layer (30) and anti-reflection layer (40)
At least one, described dielectric layer (30) and anti-reflection layer (40) are all located at described first substrate (11)
And between metal wire gate layer (20), when described first wire grating polaroid (91) comprises dielectric layer simultaneously
(30) time with anti-reflection layer (40), described dielectric layer (30) and the upper-lower position of anti-reflection layer (40)
Do not limit；
Described second wire grating polaroid (92) includes the second substrate (12) and is located at described second lining
Metal wire gate layer (20) at the end (12)；Described metal wire gate layer (20) includes arranged in parallel several
Wire grating unit (21), described wire grating unit (21) includes a bonding jumper (201) and is located at this
One bar shaped clearance space (202) of bonding jumper (201) side；
Described second wire grating polaroid (92) also includes in dielectric layer (30) and anti-reflection layer (40)
At least one, described dielectric layer (30) and anti-reflection layer (40) are all located at described second substrate (12)
And between metal wire gate layer (20), when described second wire grating polaroid (92) comprises dielectric layer simultaneously
(30) time with anti-reflection layer (40), described dielectric layer (30) and the upper-lower position of anti-reflection layer (40)
Do not limit；
Described liquid crystal indicator meets at least one in following two condition:
Condition 1, dielectric layer (30) and the anti-reflection layer (40) of described first wire grating polaroid (91)
In at least one contain blue light quantum point；
Condition 2, dielectric layer (30) and the anti-reflection layer (40) of described second wire grating polaroid (92)
In at least one contain blue light quantum point.
4. liquid crystal indicator as claimed in claim 3, it is characterised in that described wire grating unit (21)
Width be 10nm-300nm；The width of described bonding jumper (201) accounts for described wire grating unit (21)
The ratio of width be 0.1-0.9；The thickness of described bonding jumper (201) is 10nm-500nm.
5. a liquid crystal indicator, it is characterised in that include display panels (100) and be located at institute
State the backlight (200) of display panels (100) incident side；
Described backlight (200) includes blue LED；
Described display panels (100) including: the first substrate (51) being oppositely arranged and second substrate
(52) liquid crystal layer (70), be located between described first substrate (51) and second substrate (52), it is located at
Between described first substrate (51) and second substrate (52) and be positioned at peripheral close of described liquid crystal layer (70)
Sealing (80), it is located at described first substrate (51) towards the first metal wire on liquid crystal layer (70) side
Grid polaroid (91) and be located at described second substrate (52) towards on liquid crystal layer (70) side
Two wire grating polaroids (92)；
Described first wire grating polaroid (91) includes the first substrate (11) and is located at described first lining
Metal wire gate layer (20) at the end (11)；Described metal wire gate layer (20) includes arranged in parallel several
Wire grating unit (21), described wire grating unit (21) includes a bonding jumper (201) and is located at this
One bar shaped clearance space (202) of bonding jumper (201) side；
Described second wire grating polaroid (92) includes the second substrate (12) and is located at described second lining
Metal wire gate layer (20) at the end (12)；Described metal wire gate layer (20) includes arranged in parallel several
Wire grating unit (21), described wire grating unit (21) includes a bonding jumper (201) and is located at this
One bar shaped clearance space (202) of bonding jumper (201) side；
Described liquid crystal indicator meets at least one in following four condition:
It is provided with blue light between condition 1, described first substrate (51) and the first wire grating polaroid (91)
Quantum dot film layer (60)；
It is provided with blue light between condition 2, described second substrate (52) and the second wire grating polaroid (92)
Quantum dot film layer (60)；
Condition 3, described first substrate (51) are away from described first wire grating polaroid (91) side
Outer surface is provided with blue light quantum point film layer (60)；
Condition 4, described second substrate (52) are away from described second wire grating polaroid (92) side
Outer surface is provided with blue light quantum point film layer (60).
6. liquid crystal indicator as claimed in claim 5, it is characterised in that described wire grating unit (21)
Width be 10nm-300nm；The width of described bonding jumper (201) accounts for described wire grating unit (21)
The ratio of width be 0.1-0.9；The thickness of described bonding jumper (201) is 10nm-500nm.
7. liquid crystal indicator as claimed in claim 5, it is characterised in that only in described first substrate (51)
And it is provided with blue light quantum point film layer (60) between the first wire grating polaroid (91).
8. liquid crystal indicator as claimed in claim 5, it is characterised in that only in described second substrate (52)
And it is provided with blue light quantum point film layer (60) between the second wire grating polaroid (92).
9. liquid crystal indicator as claimed in claim 5, it is characterised in that only in described second substrate (52)
Outer surface away from described second wire grating polaroid (92) side is provided with blue light quantum point film layer (60).
10. liquid crystal indicator as claimed in claim 5, it is characterised in that only at described first substrate
(51) outer surface away from described first wire grating polaroid (91) side is provided with blue light quantum point film
Layer (60).
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| CN108020952B (en) * | 2017-12-25 | 2020-09-29 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN108020952A (en) * | 2017-12-25 | 2018-05-11 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN108803124A (en) * | 2018-06-27 | 2018-11-13 | 武汉华星光电技术有限公司 | Curved surface liquid crystal display and its manufacturing method |
| CN110687711A (en) * | 2018-07-05 | 2020-01-14 | 群创光电股份有限公司 | Electronic device |
| CN109283732A (en) * | 2018-09-12 | 2019-01-29 | 重庆惠科金渝光电科技有限公司 | A kind of display panel and display device |
| US11249368B2 (en) | 2018-09-12 | 2022-02-15 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Display panel and display device |
| CN109283732B (en) * | 2018-09-12 | 2023-12-22 | 重庆惠科金渝光电科技有限公司 | Display panel and display device |
| CN110609410A (en) * | 2019-09-23 | 2019-12-24 | 京东方科技集团股份有限公司 | Display device and manufacturing method |
| WO2021120308A1 (en) * | 2019-12-17 | 2021-06-24 | Tcl华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN111708212A (en) * | 2020-06-23 | 2020-09-25 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN112327538A (en) * | 2020-11-05 | 2021-02-05 | 北海惠科光电技术有限公司 | Display panel and display device |
| CN113219722A (en) * | 2021-04-26 | 2021-08-06 | 北海惠科光电技术有限公司 | Display device and display terminal |
| CN113900300A (en) * | 2021-09-08 | 2022-01-07 | 北京信息科技大学 | Liquid crystal display panel and display device |
| CN113900300B (en) * | 2021-09-08 | 2023-09-19 | 北京信息科技大学 | Liquid crystal display panel and display device |
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