CN110426890A - Liquid crystal display panel and liquid crystal display device - Google Patents

Liquid crystal display panel and liquid crystal display device Download PDF

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Publication number
CN110426890A
CN110426890A CN201910686566.7A CN201910686566A CN110426890A CN 110426890 A CN110426890 A CN 110426890A CN 201910686566 A CN201910686566 A CN 201910686566A CN 110426890 A CN110426890 A CN 110426890A
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China
Prior art keywords
liquid crystal
crystal display
output optical
optical zone
display panel
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CN201910686566.7A
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CN110426890B (en
Inventor
杨珊珊
魏明贺
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • G02F1/133507Films for enhancing the luminance
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133614Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention discloses liquid crystal display panel and liquid crystal display devices, the liquid crystal display panel includes the array substrate being oppositely arranged, color membrane substrates and the liquid crystal layer being placed between array substrate and color membrane substrates, wherein, color membrane substrates include: photosphere out, it includes three primary colours output optical zone domain that photosphere, which should be gone out, each output optical zone domain outgoing corresponding color illuminator shines, and illuminator issues monochromatic light in backlight excitation;First grating layer, positioned at photosphere out close to the used backlight side of liquid crystal display panel, and the first grating layer is used for through the backlight light that simultaneously reflection light issues to output optical zone domain.The present invention solves the higher technical problem of available liquid crystal display panel power consumption, reaches the technical effect for reducing liquid crystal display panel power consumption.

Description

Liquid crystal display panel and liquid crystal display device
Technical field
The present invention relates to technical field of liquid crystal display, more particularly, to liquid crystal display panel and liquid crystal display device.
Background technique
Liquid crystal display device is widely applied in life, such as has LCD TV and laptop, liquid crystal display dress It sets and image is shown by liquid crystal display panel.Liquid crystal display panel includes the array substrate being oppositely arranged and color membrane substrates, is being had When backlight illumination liquid crystal display panel, liquid crystal display panel is that backlight is converted to RGB (red, green, blue) three by color membrane substrates Primary colours, to realize that color image is shown.
In available liquid crystal display panel, color membrane substrates use RGB three primary colours color membrane substrates, and RGB three primary colours color membrane substrates For the substrate built by tri- kinds of optical filters of RGB;And in existing liquid crystal display panel, backlight uses white light, and white light is more Light made of kind different colours photoreactivation.In order to realize that color image is shown, when compound white light passes through tri- kinds of optical filters of RGB, The light that Red lightscreening plate filters other colors only passes through red light, and equally, green color filter only passes through green light, blue color filter Only pass through blue light, thus, most of light of white backlight is filtered, and liquid crystal display panel is lower to the utilization rate of backlight, There are the higher technical problems of power consumption.
For the higher technical problem of available liquid crystal display panel power consumption, a kind of novel display panel of urgent need at present To improve backlight utilization ratio, achieve the purpose that reduce liquid crystal display panel power consumption.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention provides a kind of liquid crystal display panel and liquid crystal display Device can reduce the power consumption of liquid crystal display panel.
According to the first aspect of the invention, a kind of liquid crystal display panel is provided, comprising: the array substrate that is oppositely arranged, Color membrane substrates and the liquid crystal layer being placed between array substrate and color membrane substrates, wherein the color membrane substrates include:
Photosphere out, the photosphere out includes three primary colours output optical zone domain, wherein each output optical zone domain is emitted corresponding color Illuminator shines, and the illuminator issues monochromatic light in backlight excitation;
First grating layer, be located at it is described go out photosphere close to the used backlight side of the liquid crystal display panel, and it is described First grating layer is used for through the backlight and reflects light that the illuminator issues to the output optical zone domain.
Further, it being provided with illuminator in the three primary colours output optical zone domain of photosphere out, the illuminator is quantum dot, Wherein, red quantum dot is located in the red output optical zone domain, and green quantum dot is located in the output optical zone domain of green, blue Colo(u)r specification sub- point is located in the output optical zone domain of blue;
First grating layer and the photosphere out are adjacent, and adjacent first light in the output optical zone domain with red Grid layer reflects feux rouges, reflects green light with adjacent first grating layer in the output optical zone domain of green, goes out with described in blue Adjacent first grating layer in light region reflects blue light.
Further, first grating layer is formed in multiple blocky gratings of periodic arrangement on substrate by being arranged, and The refractive index of the bulk grating is greater than the refractive index of the substrate.
Further, in first grating layer adjacent with the red output optical zone domain, the height of the bulk grating Degree is 200 ± 50nm, and the period is 400 ± 50nm, duty ratio 0.5;
With the green output optical zone domain in adjacent first grating layer, the height of the bulk grating is 120 ± 50nm, period are 270 ± 50nm, duty ratio 0.5.
Further, the backlight is blue light.
Further, it is described go out photosphere be the second grating layer, second grating layer by saturating feux rouges grating layer, reveal the green light light Grid layer and saturating blue light grating layer composition, wherein the red output optical zone domain includes the feux rouges grating layer, and green is described Output optical zone domain includes the light grating layer that reveals the green, and the blue output optical zone domain includes the blue light grating layer;
The illuminator is located in the liquid crystal layer;
First grating layer is located at the array substrate far from the liquid crystal layer side, and first grating layer reflects Feux rouges, green light and blue light.
Further, liquid crystal display panel further include: scattering layer, the interior scattering layer includes blue quantum dot, and described Scattering layer is located at the array substrate and receives the backlight side.
Further, the illuminator in the liquid crystal layer is quantum rod.
Further, the backlight is black light.
According to the second aspect of the invention, a kind of liquid crystal display device is provided, comprising: backlight and liquid as described above LCD panel, wherein
The backlight is for issuing backlight;
The liquid crystal display panel excites three-color light-emitting body to shine by the backlight, to construct three primary colours output optical zone Domain.
The invention has the advantages that liquid crystal display panel excites three-color light-emitting body to shine by backlight realizes three primary colours The building in output optical zone domain, without filter so as to avoid because filter caused by power consumption penalty problem, and illuminator issue light exist Because by the anti-of the first grating layer when being directly used in display image when propagating away from backlight side, and being propagated to backlight side Penetrate thus also be used to show image, that is, the three primary colours light that backlight is excited is fully utilized to show image, reaches raising back Light utilization efficiency solves the higher technology of available liquid crystal display panel power consumption to reduce the technical effect of liquid crystal display panel power consumption Problem.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and Advantage will be apparent from.
Fig. 1 shows a kind of structural schematic diagram of liquid crystal display panel in first embodiment of the invention;
Fig. 2 shows a kind of structural schematic diagrams of the first grating layer in first embodiment of the invention;
Fig. 3 shows another structural schematic diagram of liquid crystal display panel in first embodiment of the invention;
Fig. 4 shows the structural schematic diagram of liquid crystal display device in second embodiment of the invention.
Specific embodiment
Hereinafter reference will be made to the drawings, and the present invention will be described in more detail.In each attached drawing of same embodiment, identical member Part, which is adopted, will be referred to by like reference numbers expression.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.In addition, Certain well known parts may be not shown in figure.
It should be understood that in the structure of outlines device, when by one layer, a region, a mould group be located at another layer, When another region, another mould group " side ", it can be located immediately at another layer, another region, another mould group side, Or its between another layer, another region, another mould group also comprising other layers, region or mould group;If in order to Situation located immediately at another layer, another region, another mould group side is described, it herein will be using " A is in the side B and therewith The form of presentation of adjoining ".Equally, " A is between B and C " can be between B and C, or between A and B or A Also comprising other layers, region or mould group between C;If " A will be used herein in order to describe A between B and C Between B and C, and A and B, C are adjacent ".
Fig. 1 shows the liquid crystal display panel in the present embodiment first embodiment.Referring to Fig.1, the liquid crystal display panel packet Include the color membrane substrates 1 being oppositely arranged and array substrate 2 and the liquid crystal layer 3 between color membrane substrates 1 and array substrate 2;Battle array Column substrate 2 includes array substrate 21 and the TFT layer 22 that close 3 side of liquid crystal layer in array substrate 21 is arranged in;Color membrane substrates 1 wrap Colour film substrate 11 is included, and the photosphere out that the side in colour film substrate 11 close to liquid crystal layer 3 is cascading from top to bottom 12, the first grating layer 13, flatness layer 6 and the second polarizer 5.Photosphere 12 includes three primary colours output optical zone domain out, which goes out light Region includes red output optical zone domain 121, and green output optical zone domain 122, blue output optical zone domain 123, color membrane substrates 1 further include being located at three Black matrix 120 between the domain of primary colours output optical zone, black matrix 120 prevent liquid crystal display panel light leakage, improve display quality;It is flat Layer 6 is arranged between the second polarizer 5 and the first grating layer 13, to protect to liquid crystal layer 3.Liquid crystal display panel further includes ITO conductive film 7 and the first polarizer 4, ITO conductive film 7 be located at colour film substrate 11 far from 3 side of liquid crystal layer and with colour film substrate 11 It is adjacent;It is far from 3 side of liquid crystal layer and adjacent with array substrate 2 that first polarizer 4 is located at array substrate 21.
Wherein, illuminator, and illuminator bill under backlight excitation are provided in the three primary colours output optical zone domain of photosphere 12 out Coloured light;Illuminator is quantum dot, wherein red quantum dot is located in red output optical zone domain 121, and green quantum dot goes out positioned at green In light region 122, blue quantum point is in blue output optical zone domain 123, thus each output optical zone domain outgoing pair of photosphere 12 out Color light emitters are answered to shine.In first grating layer 13, first grating layer 13 adjacent with red output optical zone domain 121 is received The feux rouges of downward (i.e. to 2 side of the array substrate) transmitting of red quantum dot simultaneously reflects feux rouges, adjacent with green output optical zone domain 122 The first grating layer 13 receive green light that green quantum dot emits downwards and reflect green light, it is adjacent with blue output optical zone domain 123 The first grating layer 13 connect receives the blue light that blue quantum dot emits downwards and reflects blue light, thus, so that quantum dot is being carried on the back Lower the shining of light excitation is fully used, to realize the display of color image behind transmission three primary colours output optical zone domain. In the embodiment, backlight is irradiated on liquid crystal display panel from the side of array substrate 2, and backlight can be using wavelength is short, energy High blue light, so that it is guaranteed that quantum dot is excited.
Since the light after quantum dot is absorbed and re-emissioned is relative to filtered to specific wavelength by optical filter For light, possess better excitation purity, thus, liquid crystal display panel provided in an embodiment of the present invention is improving backlight utilization ratio While also possess higher color saturation, to possess broader colour gamut.Also, due to blue quantum dot stimulated emission Blue light is low energy blue light, thus avoids passing through high energy indigo plant light display image, to realize anti-blue light effect.
Above-mentioned quantum dot can be made of IIB-VIA or IIIA-VA race element material in the periodic table of elements, and partial size can be with It is arranged in 2-20nm.Partial size refers to the diameter of particle.Quantum dot is since electrons and holes are by quantum confinement, continuous energy band knot Structure becomes the discrete energy level structure with molecular characterization, and fluorescence can be emitted after being excited.Quantum dot absorbs irradiation on it first Light energy become excitation state, and ground state is returned to by way of re-emitting photon.And the luminescent quantum dot of each color is gathered around There is identical partial size, the luminescent quantum dot of different colours possesses different partial sizes.It should be noted that in Fig. 1 exemplarily only Red-emitting quantum point is given in the distribution in red output optical zone domain 121, green emitting quantum dot is in green output optical zone domain 122 Distribution and blue-light-emitting quantum dot blue output optical zone domain 123 distribution, not to the restriction of quantum dot size and distribution.
Fig. 2 shows the structural schematic diagrams of the first grating layer a kind of in the embodiment of the present invention.Referring to Fig. 2, the first grating layer 13 are formed by being arranged on substrate 131 in multiple blocky gratings 132 of periodic arrangement, it should be noted that first grating layer 13 set-up mode are as follows: blocky grating 132 and out photosphere 12 are adjacent, and the structure of blocky grating 132 realizes the reflection of three primary colours light. Wherein, substrate 131 can be for made by following any material: silicon, silica, silicon nitride, quartz, glass, gallium nitride, arsenic Change gallium, sapphire, aluminium oxide or magnesia;And in order to guarantee that optical grating construction has preferable reflectivity, each bulk grating 132 Refractive index is greater than the refractive index of substrate 131, may be implemented to be totally reflected especially for the three primary colours light of large angle incidence.Its In, for first grating layer 13 adjacent with red output optical zone domain 121, the structure setting of blocky grating 132 is as follows: blocky light The height h of grid 132 is 200 ± 50nm, and period L is 400 ± 50nm, and duty ratio 0.5, the width d of blocky grating 132 is 200 ± 50nm, the optical grating construction have larger reflectivity to the feux rouges that red quantum dot emits;For with green 122 phase of output optical zone domain The first adjacent grating layer 13, the structure setting of blocky grating 132 are as follows: the height h of blocky grating 132 is 120 ± 50nm, week Phase L is 270 ± 50nm, and the width d of duty ratio 0.5, blocky grating is 135 ± 50nm, and the optical grating construction is to green quantum dot The green light of transmitting has larger reflectivity.
Fig. 3 shows the liquid crystal display panel in second embodiment of the embodiment of the present invention.Referring to Fig. 3, the LCD display Plate includes the color membrane substrates 1 being oppositely arranged and array substrate 2 and the liquid crystal layer between color membrane substrates 1 and array substrate 2 3;Illuminator is provided in liquid crystal layer 3, illuminator specifically has red emitter 31, green emitting body 32 and blue-light emitting body 33.Color membrane substrates 1 include colour film substrate 11, and close to the side of liquid crystal layer 3 successively layer from top to bottom in colour film substrate 11 Folded setting goes out photosphere 12, flatness layer 6.Photosphere 12 includes three primary colours output optical zone domain out, which includes red Output optical zone domain 121, green output optical zone domain 122, blue output optical zone domain 123, in this embodiment, photosphere 12 is the second grating out Layer, the light that reveals the green that saturating feux rouges grating layer that the second grating layer includes by red output optical zone domain 121, green output optical zone domain 122 include The saturating blue light grating layer composition that grating layer and blue output optical zone domain 123 include;Color membrane substrates 1 further include being located at three primary colours to go out light Black matrix 120 between region, black matrix 120 prevent liquid crystal display panel light leakage, improve display quality.
Array substrate 2 includes array substrate 21 and TFT layer 22, and TFT layer 22 is arranged in array substrate 21 close to liquid crystal layer 3 Side;Side in array substrate 21 far from liquid crystal layer 3 is provided with scattering layer 5, and the first grating layer 13 is arranged on scattering layer 5 Side far from liquid crystal layer 3, the first grating layer 13 reflect feux rouges, green light and blue light.Blue quantum dot is provided in scattering layer 5, Backlight issues the blue light that all directions are uniformly propagated after being scattered layer 5, and the illuminator of each position is all excited in liquid crystal layer 3.This In inventive embodiments, the background blue light of coming is irradiated compared to scattering layer 5, the blue light of blue quantum rod stimulated emission in liquid crystal layer 3 For low energy blue light, thus high energy indigo plant light display image is avoided passing through, is conducive to reach anti-blue light effect.
With reference to Fig. 3, liquid crystal display panel further includes ITO conductive film 7 and the first polarizer 4, and ITO conductive film 7 is located at color film Substrate 11 is far from 3 side of liquid crystal layer and adjacent with colour film substrate 11;First polarizer 4 is located on ITO conductive film 7 far from liquid crystal layer 3 sides and adjacent with ITO conductive film 7.
In liquid crystal display panel provided in an embodiment of the present invention, three-color light-emitting body is to color membrane substrates 1 one in liquid crystal layer 3 The three primary colours of side transmitting, feux rouges can be in red output optical zone domains 121 by saturating feux rouges grating layer, and green light can be in green output optical zone domain 122 can pass through saturating blue light grating layer in blue output optical zone domain 123 by the light grating layer that reveals the green, blue light;It is sent out to 2 side of array substrate The three primary colours penetrated, through the first grating layer 13 reflection after respectively through saturating feux rouges grating layer, reveal the green light grating layer and saturating blue light grating Layer, to realize backlight excitation light to construct the function in three primary colours output optical zone domain.In the embodiment, backlight can be with Black light short using wavelength, energy is high, so that it is guaranteed that illuminator is excited.
Illuminator in above-mentioned liquid crystal layer 3 can be selected as quantum rod, and quantum rod has nano-scale as quantum dot, It is general to be made of the nano-scale nuclear particle of II-VI or Group III-V semiconductor particle with the shell for covering the nuclear particle.Work as quantum rod Diameter be less than its exciton Bohr radius when, electrons and holes by quantum confinement, originally continuously energy band will become discrete Fluorescence can occur after being excited for level structure.And various sizes of quantum rod has different bandwidths, passes through knots modification The size of sub- stick can inspire the light of different-waveband.Unlike quantum dot, the light of quantum rod stimulated emission is linear polarization Light, polarization direction is along its long axis direction.Thus, polarizer 4 and quantum rod are combined and are shown with the grayscale for realizing color image.
In conclusion the photosphere that goes out in first embodiment is to construct QD by quantum dot (Quantum dot, abbreviation QD) Layer structure realizes the function that shines of three primary colours output optical zone domain outgoing corresponding color illuminator;And first grating layer and photosphere out It is adjacent, thus, the light that the first grating layer reflection light issues to output optical zone domain, that is, each optical grating construction in the first grating layer It is shone after irradiating by adjacent illuminator and reflects it to adjacent output optical zone domain.
The photosphere that goes out in second embodiment is to realize three bases using the second grating layer of saturating feux rouges respectively, green light, blue light The function that color output optical zone domain outgoing corresponding color illuminator shines, and the first grating layer is located at array substrate far from liquid crystal layer one Side, illuminator are located in liquid crystal layer, and thus, the first grating layer directly shines to illuminator and the second grating layer is reflected back Illuminator, which shines, to be reflected to be irradiated to three primary colours output optical zone domain, and corresponding color light is penetrated and will by output optical zone domain The reflection of other color of light, reciprocation cycle ensure that illuminator shone makes full use of according to this.
In above two embodiment, liquid crystal display panel is by going out the cooperation of photosphere and the first grating layer so that respectively going out light Region is only emitted a kind of primary lights, and illuminator shines and is efficiently utilized.
Fig. 4 shows the structural block diagram of the liquid crystal display device of second embodiment of the invention.Referring to Fig. 4, liquid crystal display device It include: backlight 100 and above-mentioned liquid crystal display panel 200, wherein
Backlight 100 is for issuing backlight;Liquid crystal display panel 200 excites three-color light-emitting body hair by the backlight Light, to construct three primary colours output optical zone domain, liquid crystal display panel 200 is for showing image.Liquid crystal provided in an embodiment of the present invention Showing device reaches since used liquid crystal display panel excites light to construct three primary colours output optical zone domain by backlight The technical effect of power consumption is reduced, thus, which equally reaches the technical effect for reducing power consumption, solves existing liquid The higher technical problem of crystal device power consumption.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
It is as described above according to the embodiment of the present invention, these embodiments details all there is no detailed descriptionthe, also not Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right The limitation of claim and its full scope and equivalent.

Claims (10)

1. a kind of liquid crystal display panel, comprising: the array substrate that is oppositely arranged, color membrane substrates and be placed in the array substrate and Liquid crystal layer between the color membrane substrates, which is characterized in that the color membrane substrates include:
Photosphere out, the photosphere out includes three primary colours output optical zone domain, wherein each output optical zone domain outgoing corresponding color shines Body shines, and the illuminator issues monochromatic light in backlight excitation;
First grating layer, be located at it is described go out photosphere close to the used backlight side of the liquid crystal display panel, and described first Grating layer is used for through the backlight and reflects light that the illuminator issues to the output optical zone domain.
2. liquid crystal display panel according to claim 1, which is characterized in that
Illuminator is provided in the three primary colours output optical zone domain of photosphere out, the illuminator is quantum dot, wherein red quantum Point is located in the red output optical zone domain, and green quantum dot is located in the output optical zone domain of green, blue quantum point in In the output optical zone domain of blue;
First grating layer and the photosphere out are adjacent, and adjacent first grating layer in the output optical zone domain with red Feux rouges is reflected, reflects green light with adjacent first grating layer in the output optical zone domain of green, the output optical zone with blue Adjacent first grating layer in domain reflects blue light.
3. liquid crystal display panel according to claim 2, which is characterized in that first grating layer is by being arranged on substrate In multiple blocky grating compositions of periodic arrangement, and the refractive index of the blocky grating is greater than the refractive index of the substrate.
4. liquid crystal display panel according to claim 3, which is characterized in that
With the red output optical zone domain in adjacent first grating layer, the height of the bulk grating is 200 ± 50nm, Period is 400 ± 50nm, duty ratio 0.5;
With the green output optical zone domain in adjacent first grating layer, the height of the bulk grating is 120 ± 50nm, Period is 270 ± 50nm, duty ratio 0.5.
5. liquid crystal display panel according to claim 2, which is characterized in that the backlight is blue light.
6. liquid crystal display panel according to claim 1, which is characterized in that
It is described go out photosphere be the second grating layer, second grating layer by saturating feux rouges grating layer, reveal the green light grating layer and saturating blue light Grating layer composition, wherein the red output optical zone domain includes the feux rouges grating layer, and the green output optical zone domain includes The light grating layer that reveals the green, the blue output optical zone domain include the blue light grating layer;
The illuminator is located in the liquid crystal layer;
First grating layer is located at the array substrate far from the liquid crystal layer side, and first grating layer reflection is red Light, green light and blue light.
7. liquid crystal display panel according to claim 6, which is characterized in that further include: scattering layer, the interior packet of the scattering layer Containing blue quantum dot, and the scattering layer is located at the array substrate and receives the backlight side.
8. liquid crystal display panel according to claim 6, which is characterized in that
The illuminator in the liquid crystal layer is quantum rod.
9. liquid crystal display panel according to claim 6, which is characterized in that the backlight is black light.
10. a kind of liquid crystal display device characterized by comprising backlight and liquid as claimed in any one of claims 1-9 wherein LCD panel, wherein
The backlight is for issuing backlight;
The liquid crystal display panel excites three-color light-emitting body to shine by the backlight, to construct three primary colours output optical zone domain.
CN201910686566.7A 2019-07-29 2019-07-29 Liquid crystal display panel and liquid crystal display device Active CN110426890B (en)

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CN111458936A (en) * 2020-04-26 2020-07-28 南方科技大学 Light-emitting module and display panel
CN115294879A (en) * 2022-06-28 2022-11-04 Tcl华星光电技术有限公司 Tiled display device

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CN105223724A (en) * 2015-10-08 2016-01-06 深圳市华星光电技术有限公司 Quantum dot liquid crystal indicator
CN105759491A (en) * 2016-05-06 2016-07-13 深圳市华星光电技术有限公司 Liquid crystal display, liquid crystal display module and liquid crystal unit thereof
CN105974666A (en) * 2016-07-07 2016-09-28 京东方科技集团股份有限公司 Display device
KR20180039218A (en) * 2016-10-07 2018-04-18 삼성디스플레이 주식회사 Color conversion panel and manufacturing method thereof and display device comprising the same

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CN105223724A (en) * 2015-10-08 2016-01-06 深圳市华星光电技术有限公司 Quantum dot liquid crystal indicator
CN105759491A (en) * 2016-05-06 2016-07-13 深圳市华星光电技术有限公司 Liquid crystal display, liquid crystal display module and liquid crystal unit thereof
CN105974666A (en) * 2016-07-07 2016-09-28 京东方科技集团股份有限公司 Display device
KR20180039218A (en) * 2016-10-07 2018-04-18 삼성디스플레이 주식회사 Color conversion panel and manufacturing method thereof and display device comprising the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458936A (en) * 2020-04-26 2020-07-28 南方科技大学 Light-emitting module and display panel
CN115294879A (en) * 2022-06-28 2022-11-04 Tcl华星光电技术有限公司 Tiled display device
CN115294879B (en) * 2022-06-28 2023-06-27 Tcl华星光电技术有限公司 Spliced display device

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