CN106292070A - Light source assembly and liquid crystal indicator - Google Patents
Light source assembly and liquid crystal indicator Download PDFInfo
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- CN106292070A CN106292070A CN201610816873.9A CN201610816873A CN106292070A CN 106292070 A CN106292070 A CN 106292070A CN 201610816873 A CN201610816873 A CN 201610816873A CN 106292070 A CN106292070 A CN 106292070A
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- light source
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
Abstract
The present invention relates to light source assembly and liquid crystal indicator.The application provides in embodiment, owing to above-mentioned graphene LED chip has multiple wavelengthtunable point, and the primary lights that above-mentioned LED white light source has multiple fixed wave length mix, and a LED primary light source first wave length point, therefore the multiple adjustable wavelength points of above-mentioned graphene LED chip can expand display color territory with first wave length point, the structure of this display colour gamut can include can covering gamut range with LED white light source, and multiple wavelengthtunable points of graphene LED chip and the first wave length point-shaped radial complementary color district of a LED primary light source, this complementary color area and colour prime white LED light source cover colour gamut and collectively form the colour gamut indication range of the embodiment of the present invention.
Description
Technical field
The present embodiments relate to Display Technique, particularly relate to a kind of light source assembly and liquid crystal indicator.
Background technology
Liquid crystal indicator is made up of liquid crystal panel, institutional framework, optics and some circuit boards etc..Due to liquid crystal
Itself is the most luminous, needs to configure some backlights and just can demonstrate picture.Wherein, backlight module is for carrying for liquid crystal indicator
Supply brightness and the backlight being evenly distributed, make liquid crystal indicator can show picture normally.
Wherein, backlight module provides white source to control to be shown as colour picture by three-color pixel in liquid crystal panel.In vain
Color backlight is mixed by red-green-blue, according to colour mixture principle, the triangle that the chromaticity coordinates point of three primary colours is surrounded
Area, is the colour gamut of attainable color gamut, referred to as backlight, also constitutes the gamut range of this liquid crystal indicator.
Correlation technique there is employing LED blue-light-emitting chip excite red green mixed fluorescent powder or yellow fluorescent powder, and produce
RGB or blue Huang are mixed to get white.And also have use blue-light LED chip and blue excitation red fluorescence obtain HONGGUANG, with
And blue LED die excites green emitting phosphor to obtain green glow, then, blue light, HONGGUANG and green glow are being mixed into white light.So, exist
In correlation technique, the color coordinates of three primary colours is determined by centre of luminescence wavelength, and the centre wavelength of three primary colours is then by LED emission wavelength
And fluorescent material decision itself, once prepared by back light device, and its emission wavelength is fixing.
Accordingly, because the emission wavelength of LED component is fixed, the attainable colour gamut of backlight such as Fig. 1 institute of three primary colours colour mixture
Showing, this gamut range is that the area of the triangle that red-green-blue is surrounded on the spectral line of horseshoe diagram determines.But,
The color of human viewable is whole horseshoe diagram, and the color gamut outside triangle then cannot show on liquid crystal indicator.
Therefore, how improving the backlight colour gamut coverage of liquid crystal display is current technical staff technology urgently to be resolved hurrily
Problem.
Summary of the invention
The embodiment of the present invention provides a kind of light source assembly and display device, in order to solve colour gamut indication range in prior art
Narrower, it is impossible to meet the technical problem that the display of user requires.
First aspect, the embodiment of the present invention provides a kind of light source assembly, and this light source assembly includes: the adjustable stone of emission wavelength
Ink alkene LED chip, for launching the LED white light source of white light, for launching a LED primary light source of primary lights；Wherein, institute
State multiple wavelengthtunable points of graphene LED chip respectively with multiple wavelength points of described LED white light source and a described LED
The first wave length point of primary light source collectively forms colour gamut indication range.
Optionally, it is used for encapsulating described graphene LED chip, described LED white light source and described LED primary lights
The matrix in source, including being provided with the LED package support of light cup, wherein, described graphene LED chip, described LED white light source with
And a described LED primary light source is encapsulated in described light cup.
Optionally, described graphene LED chip uses the graphene oxide composite material of semi-reduction state, by building chip
Face inner grid structure, applies the voltage fermi level with the graphene oxide composite material of the described semi-reduction state of adjustment to grid, real
Now regulate and control the emission wavelength of described graphene LED chip.
Optionally, a described LED primary light source is to launch the red light chips of HONGGUANG.
Optionally, a described LED primary light source is to launch the blue chip of blue light.
Optionally, described LED white light source includes the blue chip for launching blue light and is encapsulated in described blue chip
Yellow fluorescent powder in the silica gel on surface.
Optionally, the number of described second light cup is one；Described graphene LED chip and described first LED chip are altogether
With being arranged in one the second light cup.
Optionally, the number of described second light cup is two；Described graphene LED chip and described first LED chip are divided
It is not correspondingly arranged in a second light cup.
Second aspect, the embodiment of the present invention also provides for a kind of liquid crystal indicator, including: backlight module and display floater,
Described backlight module includes multiple any of the above-described light source assembly, and wherein, the plurality of light source assembly is arranged in backlight by combination
In module, jointly provide display backlight light source for described display floater.
The third aspect, the embodiment of the present invention reoffers a kind of display packing, is applied in above-mentioned liquid crystal indicator, described
Method comprise determining that multiple wavelengthtunable points of graphene LED chip respectively with the first wave length of a described LED primary light source
Multiple regions that the second wave length point of point and described 2nd LED primary light source is constituted；
If interregional there is overlapping region the plurality of, the color of the most described overlapping region uses the wavelength points and first that brightness is high
The first wave length point of LED primary light source, the second wave length point composition mixing light source of the 2nd LED primary light source.
Compared with prior art, the Advantageous Effects of the technical scheme that the embodiment of the present application is proposed includes:
In the application provides embodiment, due to above-mentioned graphene LED chip, there is multiple wavelengthtunable point and above-mentioned LED is white
Color light source has the primary lights of multiple fixed wave length and mixes, and a LED primary light source first wave length point, therefore above-mentioned stone
The multiple adjustable wavelength points of ink alkene LED chip can expand display colour gamut with first wave length point, and the structure of this display colour gamut can
To include to cover gamut range with LED white light source, and multiple wavelengthtunable points of graphene LED chip and a LED base
The first wave length point-shaped radial complementary color district of color light source, this complementary color area and colour prime white LED light source cover colour gamut and collectively form
The colour gamut indication range of the embodiment of the present invention.Owing to the wavelength points of above-mentioned graphene LED chip is adjustable, therefore, it can by control
The wavelength points of graphene LED chip processed position in horseshoe diagram, guarantees that the present invention provides the colour gamut indication range of embodiment
It is more than the area only shared by white light source triangle.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Colour gamut limit schematic diagram in the prior art that Fig. 1 provides for the present invention；
The structural representation of the light source assembly embodiment one that Fig. 2 provides for the present invention；
The color displays principle schematic that Fig. 3 provides for the present invention；
The structural representation of the light source assembly embodiment two that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment three that Fig. 5 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment four that Fig. 6 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment five that Fig. 7 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment six that Fig. 8 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment seven that Fig. 9 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment eight that Figure 10 provides for the embodiment of the present invention；
The structural representation of the light source assembly embodiment nine that Figure 11 provides for the embodiment of the present invention；
The structural representation of the display device that Figure 12 provides for the embodiment of the present invention；
The schematic flow sheet of the display packing of the display device using light source assembly that Figure 13 provides for the embodiment of the present invention；
The human eye vision function schematic diagram that Figure 14 provides for the embodiment of the present invention.
Reference:
100: light source assembly；
10: graphene LED chip；
11:LED white light source；
12: the one LED primary light source；
13:LED package support；
14: the first light cups；
15: the second light cups
101: red light chips；
102: blue chip；
103: yellow fluorescent powder；
104: red fluorescence powder；
105: green emitting phosphor；
200: liquid crystal indicator；
20: backlight module；
21: display floater；
22:PCB.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Should be appreciated that the term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ",
" the 3rd " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so
Use data can exchange in the appropriate case, such as can be given in illustrating according to embodiments of the present invention or describing those with
Outer order is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that cover but non-exclusive
Comprise, such as, contain the product of a series of assembly or equipment is not necessarily limited to those assemblies of clearly listing, but can include
That the most clearly list or for intrinsic other assembly of these products or equipment.
The light source assembly that the present embodiments relate to can use as arbitrary source, it is also possible to is suitable for display and provides the back of the body
In arbitrary display terminal of light, such as, go for LCD TV, mobile phone, panel computer, PDA(Personal
Digital Assistant, personal digital assistant), POS(Point of Sales, point-of-sale terminal), vehicle-mounted computer etc. have aobvious
The equipment of display screen, the form of the embodiment of the present invention terminal unit to being applicable to does not limits.
As stated in the Background Art in correlation technique, three primary light source colour gamut coverage is by the centre wavelength institute of three bases luminescences
Surrounding what triangle area determined at coordinate, therefore, light source is once prepare, and the covering gamut range of this light source determines,
And in the related, in order to improve the gamut range of light source, basic resolving ideas is to change fluorescent material, such as employing amount
Son point material etc. so that the color of primary lights is purer, it may be assumed that make its in FIG vertex of a triangle outwards include, such as in Fig. 1 in
Between triangle 1 use fluorescent material stimulated luminescence to obtain gamut range, triangle 3 uses quanta point material stimulated luminescence to obtain color
Territory scope.Therefore, once light source selects to determine that material and preparation complete, and the colour gamut coverage of this light source determines, in relevant skill
Art cannot improve gamut range further.
It is different from correlation technique, in the application solves the thinking of gamut problem, wraps in multiple primary colours luminous sources
The centre wavelength including an at least primary colours luminous source is variable, with the complementary color district that a primary light source forms a white light source
Territory, wherein cardiac wave length changes along with needs, so, on the basis of original white light source covers colour gamut, increases a middle cardiac wave
The complementary color that long variable primary colours luminous source and a primary light source are formed, complementary color area may be formed at colour prime white light source gamut regions
Outside, to expand the colour gamut area coverage of this light source.
On the basis of the invention described above basic ideas, the provided light source assembly of the embodiment of the present invention and liquid crystal indicator,
Aim to solve the problem that and the as above correlation technique of prior art exists technical problem, thus reach to improve further the colour gamut of display device
The purpose of indication range.
With specifically embodiment, technical scheme is described in detail below.These concrete enforcements below
Example can be combined with each other, and may repeat no more in some embodiment for same or analogous concept or process.
The structural representation of the light source assembly embodiment one that Fig. 2 provides for the embodiment of the present invention.As in figure 2 it is shown, this light source
Assembly 100 includes the adjustable graphene LED chip of emission wavelength 10, for launching the LED white light source 11 of white light, for launching
Oneth LED primary light source 12 of primary lights.
Wherein, multiple wavelengthtunable points of graphene LED chip 10 respectively with multiple wavelength points of LED white light source 11 and
The first wave length point of the oneth LED primary light source 12 collectively forms colour gamut indication range.
It should be noted that a LED primary light source 12 is to launch the constant primary lights of wavelength, can be red, blue
With in green three kinds of primary lights any one.And LED white light source 11 is it may be that the blue light of blue LED die excites
The white light source that yellow fluorescent powder or red green mixed fluorescent powder obtain, it is also possible to purple or ultraviolet light are as excitation source, to swash
The powder that fluoresces obtains white light source, can be with white light source arbitrary in Display Technique, as quanta point material is excited rear mixture of white.
Meanwhile, graphene LED chip the 10, the oneth LED primary light source 12 and LED white light source 11 row in this light source assembly
Mode for cloth, is not limited to the arrangement of Fig. 2 cathetus, it is possible to non-rectilinear arrangement between three, such as: triangle arrangement mode, this area
Technical staff can select preferable arrangement form with the combining form of three's different base colors.
Concrete, the encapsulating structure of this light source assembly 100, can select according in existing correlation technique.Such as pcb board
On as the encapsulation matrix of this light source 100.
Preferably, for encapsulating graphene LED chip 10, LED white light source 11 and the base of a LED primary light source 12
Body, including being provided with the LED package support 13 of light cup 14, wherein, graphene LED chip 10, LED white light source 11 and first
LED primary light source 12 is encapsulated in described light cup 14.
The embodiment of the present invention provide light source assembly 100, its by above-mentioned graphene LED chip 10, be used for launching white light
The LED white light source 11 of line is encapsulated in the light cup 14 of package support together with a LED primary light source 12, a LED base
Color light source 12 has fixing first wave length point, and the wavelength of the i.e. the oneth LED primary light source 12 is fixed, and this LED white light source 11 is also
Having the white light of multiple fixing wavelength points synthesis, this LED package support 13 uses high reflection, anti-light illumination aging and plasticity
Strong material composition, such as EMC material, its effect is can be each LED chip above-mentioned and other component package to be protected
Coming, the light cup 14 on this package support can improve forward and go out the efficiency of light.
Optionally, the light cup 14 on this LED package support 13 can be one, it is also possible to is multiple, the embodiment of the present invention
Not limiting the number of light cup 14, the light cup 14 shown in above-mentioned Fig. 2 is that the present invention is not limited thereto as a example by two.
Optionally, the driving of above-mentioned graphene LED chip 10, LED white light source 11 and a LED primary light source 12 is respectively
Independent control.
Needing further exist for explanation, the characteristic of the graphene LED chip 10 that the embodiment of the present invention is used does an introduction:
According to relevant prior art, graphene LED chip 10 mainly uses the graphene oxide of semi-reduction state
(Semi-reduced Graphene Oxide is called for short srGO) material, this srGO material can be by laser writing technology from oxygen
The interface of functionalized graphene and reduced graphene obtains, the high conductivity of this materials combine Graphene and the broadband of graphene oxide
Gap feature, by building the face inner grid structure of chip, can adjust srGO to the grid applying voltage of graphene LED chip 10
The fermi level of material, thus the emission wavelength of real-time monitoring graphene LED chip 10.It is to say, embodiment of the present invention institute
Use graphene LED chip 10, its by regulation be applied to grid voltage can with real-time monitoring Graphene LED luminescence in
Cardiac wave is long, and by applying different grid voltages, the emission wavelength of this graphene LED chip 10 can be at 450nm-750nm model
Enclose interior continuously adjustabe, the whole visible-range of basic covering, thus this graphene LED chip 10 has multiple wavelength points.
The embodiment of the present invention provide light source assembly 100, its by above-mentioned graphene LED chip 10, be used for launching white light
LED white light source 11 and the light cup being encapsulated in LED package support 13 together with launch a LED primary light source 12 of primary lights
In, particularly as follows: LED white light source 11 is encapsulated in the first light cup 14 of LED package support 13, by a LED primary light source
12 and graphene LED chip 10 be encapsulated at least one second light cup 15, optionally, the embodiment of the present invention is to a LED base
Color light source 12 and graphene LED chip 10 are specifically encapsulated in a second light cup 15, are also packaged in multiple second light cup
Do not limit in 15, as long as the LED white light source 11 guaranteed in the embodiment of the present invention can individually be encapsulated in a light cup,
Do not disturbed by other color of light, the LED primary light source 12 in above-mentioned Fig. 2 and the encapsulation knot of graphene LED chip 10
Structure is only a kind of example, and the embodiment of the present invention is not limited thereto.
Above-mentioned LED white light source 11 has fixing multiple wavelength points, the i.e. wavelength of LED white light source 11 to be fixed, and this is years old
One LED primary light source 12 also has fixing first wave length point, the embodiment of the present invention concrete encapsulation to this LED white light source 11
Form does not limit, as long as it can launch white light；Above-mentioned LED package support 13 uses high reflection, anti-light illumination aging
And the material composition that plasticity is strong, such as EMC material, its effect is can be by each LED chip above-mentioned and other component package
Protecting, the light cup on this LED package support 13 can improve forward and go out the efficiency of light.Optionally, above-mentioned Graphene LED core
The driving of sheet the 10, the oneth LED primary light source 12 and LED white light source 11 independently controls.
In the embodiment of the present application, due to above-mentioned graphene LED chip 10, there is multiple wavelengthtunable point and above-mentioned LED
White light source 11 has the primary lights of multiple fixed wave length and mixes, and a LED primary light source 12 first wave length point, therefore
The multiple adjustable wavelength points of above-mentioned graphene LED chip 10 can expand display colour gamut, this display colour gamut with first wave length point
Structure can include can covering gamut range, and multiple wavelengthtunable points of graphene LED chip 10 with LED white light source 11
With the first wave length point-shaped radial complementary color district of a LED primary light source 12, this complementary color area covers with colour prime white LED light source
Colour gamut collectively forms the colour gamut indication range of the embodiment of the present invention.Owing to the wavelength points of above-mentioned graphene LED chip 10 is adjustable, because of
This, can guarantee the color of the embodiment of the present invention by the wavelength points of control graphene LED chip 10 position in horseshoe diagram
Territory indication range is maximum area shared by triangle more than in Fig. 1, and concrete reason is as follows:
In prior art, the gamut range that display device can show is that the maximum triangle in Fig. 1 is shared in horseshoe diagram
Area, wherein, the maximum triangle in Fig. 1 is to be formed by redgreenblue colour mixture, and three summits of this maximum triangle are divided
Wei red spot, blue light point and green glow point.And the light source assembly 100 in the embodiment that the application provides, at least include a LED
White light source, wherein, LED white light source gamut range overlaps with three summits of the maximum triangle in Fig. 1 substantially, and also
Include the graphene LED chip 10 of a LED primary light source 12 and Wavelength tunable, as such, it is possible to control in horseshoe diagram the
The first wave length point of one LED primary light source 12 and at least two wavelengthtunable point of graphene LED chip 10 so that this first wave
At least two wavelengthtunable point of long point and graphene LED chip 10 forms complementary color area, and therefore, this first wave length point can be with
Graphene LED chip 10 forms complementary color area and covers gamut area sum with LED white light source, immutable more than Fig. 1 medium wavelength
The area of maximum triangle that formed of three primary colours, so, can other be many by correspondingly regulation graphene LED chip 1010
Individual wavelength points, it is possible to make the colour gamut indication range of the embodiment of the present invention more than colour gamut indication range of the prior art.
For the clearer colour gamut indication range introduced in the embodiment of the present invention, here for an example simply: ginseng
Color displays principle schematic as shown in Figure 3, in Fig. 3, it is assumed that a LED primary light source 12 is the HONGGUANG that can launch HONGGUANG
Chip 101, it is assumed that 1 point (i.e. red wavelength point) is individually sent by red light chips 101 that (certainly, can also be by Graphene at this 1
LED chip 10 sends, and red light chips 101 is closed simultaneously, or, red light chips 101 and graphene LED chip 10 are jointly opened and are sent out
Go out), it is assumed that graphene LED chip 10 wavelengthtunable point in figure 3 includes at 2 o'clock to 14 o'clock, the white point of LED white light source 11
Being 15 points, the most as seen from Figure 3, the colour gamut indication range of this light source assembly 100 is point, Graphene centered by 15 o'clock
Each wavelengthtunable point of LED chip 10 and red spot are the radial region that radiant collectively forms, and 1 and 14 points
Carry out the complementary color area that is mixed to form 1., the area sum in the envelope region that 1. this radial region and this complementary color area are constituted
It is the colour gamut indication range that the embodiment of the present invention can reach.As seen from Figure 3, above-mentioned 1 point, 7 and 14 compositions
Delta-shaped region by the covered gamut regions of white light source 11, it is equivalent to the area of the maximum triangle in Fig. 1, but Fig. 3
The area in overall envelope region is greater than the area of this triangle, therefore, the light source assembly 100 that the embodiment of the present invention provides
Substantially increase the colour gamut indication range of display device.
It should be noted that why the wavelengthtunable point of above-mentioned graphene LED chip 10 can deep white light
Point is positioned at outside the triangle that 1 point, 7 and 14 are constituted, and is to be determined by the characteristic of Graphene LED；It addition, in the present invention
The white point that LED white light source 11 is sent, can be with stone by the summit of three primary colours and the primary light source of another reflection primary lights
Arbitrary wavelengthtunable point of ink alkene LED chip 10 carries out line, and the color display device on this line all can show, so
After, along with the Discrete Change of the adjustment of the wavelength points of graphene LED chip 10, i.e. wavelength points, be equivalent to the summit of primary lights with
The color on line on each adjustable point all can show, so constitutes above-mentioned described radial region.
Optionally, an above-mentioned LED primary light source 12 for launching primary lights can be the HONGGUANG that can launch HONGGUANG
Chip 101, it is also possible to being the blue chip 102 that can launch blue light, this is not limited by the embodiment of the present application.
In the light source assembly that the embodiment of the present invention provides, by by adjustable for emission wavelength graphene LED chip be used for
The LED primary light source launching primary lights is encapsulated at least one second light cup, and the LED passing through to launch white light is white
Radiant is encapsulated in the first light cup, thus obtains multiple wavelengthtunable point by the grid voltage of regulation graphene LED chip,
And then make these multiple wavelengthtunable points can be with multiple wavelength points of LED white light source and the first of the first LED white light source
Wavelength points constitutes envelope region, and guarantees that this area shared by envelope region i.e. colour gamut indication range shows more than in prior art
The light source assembly that the colour gamut indication range of equipment, the i.e. embodiment of the present invention provide, it is possible to the colour gamut being greatly improved display device shows
Demonstration is enclosed.
The structural representation of the light source assembly embodiment two that Fig. 4 provides for the embodiment of the present invention, Fig. 5 is the embodiment of the present invention
The structural representation of the light source assembly embodiment three provided.In the embodiment shown in Fig. 4 to Fig. 5, above-mentioned LED primary lights
Source 12 is red light chips 101, and the LED package support 13 involved by above-mentioned light source assembly 100 can include three light cups, is respectively
One the first light cup 14, two the second light cups 15, LED white light source 11 is encapsulated in the first light cup 14, graphene LED chip 10
With LED primary light source 12(i.e. red light chips 101) it is correspondingly arranged at respectively in a second light cup 15.Optionally, above-mentioned
The position of the oneth LED primary light source 12 and graphene LED chip 10 can arbitrarily be exchanged, and forms the enforcement shown in Fig. 4 and Fig. 5
Example, as long as guaranteeing that LED white light source 11 is individually encapsulated in the first light cup 14.
The structural representation of the light source assembly embodiment four that Fig. 6 provides for the embodiment of the present invention, Fig. 7 is the embodiment of the present invention
The structural representation of the light source assembly embodiment five provided.In the embodiment shown in Fig. 6 to Fig. 7, above-mentioned LED primary lights
Source 12 is red light chips 101, and the LED package support 13 involved by above-mentioned light source assembly 100 can include the first light cup 14 and
Two 15 two, light cup light cups, described graphene LED chip 10 and a described LED primary light source 12 are co-located on one second
In light cup 15.Optionally, an above-mentioned LED primary light source 12 and the graphene LED chip 10 position in a second light cup 15
Putting and can arbitrarily exchange, forming the embodiment shown in Fig. 6 and Fig. 7, as long as guaranteeing that LED white light source 11 is individually encapsulated in the first light
In cup 14.
In the embodiment shown in this Fig. 4 to Fig. 7, the displaying principle of its complementary color area may refer to above-mentioned Fig. 3, in Fig. 3
Including two parts complementary color area, it is 1. region (1 point, 15 and 14 compositions) and 2. region (1 point, 7 and 15 groups respectively
Become).For the display in 1. region, 14 points (blue light point) are shown by the graphene LED chip 10 of Wavelength tunable, 1 point (red spot)
Being shown by red light chips 101,15 points (white point) are shown by LED white light source 11, and such 1 point, 14 and 15 3 surround
Triangle can show covering whole complementary color area 1.；(display green is such as needed), by graphite when showing other colors
Alkene LED chip 10 can adjust display tone, and LED white light source 11 can adjust saturation, and red light chips 101 is in closedown shape
State.For the display in 2. region, 7 points (green glow point) are shown by the graphene LED chip 10 of Wavelength tunable, 1 point (red spot) by
Red light chips 101 shows, 15 points (white point) are shown by LED white light source 11, such 1 point, 7 and 15 3 three surrounded
2. dihedral can show the whole complementary color area of covering.
Optionally, in the embodiment shown in above-mentioned Fig. 4 to Fig. 7, above-mentioned LED white light source 11 can include for launching
The blue chip 102 of blue light and the yellow fluorescent powder 103 being encapsulated in the silica gel on this blue chip 102 surface；Or, can wrap
Include the blue chip 102 for launching blue light and green emitting phosphor 105 He being encapsulated in the silica gel on this blue chip 102 surface
Red fluorescence powder 104.It should be noted that the white-light LED structure shown in above-mentioned Fig. 4 and Fig. 5 is by blue chip 102 and envelope
Yellow fluorescent powder 103 composition being contained in the silica gel on this blue chip 102 surface, the white light shown in above-mentioned Fig. 6 and Fig. 7
LED structure is the green emitting phosphor 105 and redness by blue chip 102 and being encapsulated in the silica gel on this blue chip 102 surface
Fluorescent material 104 composition, be the most only a kind of example, say, that the white-light LED structure in above-mentioned Fig. 4 and Fig. 5 can also be by
Blue chip 102 and the green emitting phosphor 105 being encapsulated in the silica gel on this blue chip 102 surface and red fluorescence powder 104 groups
Becoming, the white-light LED structure in above-mentioned Fig. 6 and Fig. 7 can also be by blue chip 102 be encapsulated in this blue chip 102 surface
Yellow fluorescent powder 103 in silica gel forms.
The light source assembly that above-mentioned Fig. 4 to Fig. 5 embodiment is provided, by light cup and the one-to-one relationship of LED chip, greatly
Improve greatly the light extraction efficiency of each LED chip, the light source assembly that above-mentioned Fig. 6 to Fig. 7 is provided, greatly reduce LED encapsulation
Cost of manufacture, improve packaging efficiency.
The structural representation of the light source assembly embodiment six that Fig. 8 provides for the embodiment of the present invention, Fig. 9 is the embodiment of the present invention
The structural representation of the light source assembly embodiment seven provided.In the embodiment shown in Fig. 8 to Fig. 9, above-mentioned LED primary lights
Source 12 can be the blue chip 102 launching blue light, and the LED package support 13 involved by above-mentioned light source assembly 100 can include
Three light cups, respectively one the first light cup 14, two the second light cups 15, LED white light source 11 is encapsulated in the first light cup 14,
Graphene LED chip 10 and LED primary light source 12(i.e. blue chip 102) it is correspondingly arranged at a second light cup 15 respectively
In.Optionally, the position of an above-mentioned LED primary light source 12 and graphene LED chip 10 can arbitrarily be exchanged, formed Fig. 8 and
Embodiment shown in Fig. 9, as long as guaranteeing that LED white light source 11 is individually encapsulated in the first light cup 14.
The structural representation of the light source assembly embodiment eight that Figure 10 provides for the embodiment of the present invention, Figure 11 is that the present invention implements
The structural representation of the light source assembly embodiment nine that example provides.In the embodiment shown in Figure 10 to Figure 11, an above-mentioned LED base
Color light source 12 can be to launch the blue chip 102 of blue light, and the LED package support 13 involved by above-mentioned light source assembly 100 is permissible
Including the first light cup 14 and 15 two light cups of the second light cup, described graphene LED chip 10 and a described LED primary light source 12
(i.e. blue chip 102) is co-located in a second light cup 15.Optionally, above-mentioned LED primary light source 12 and a graphite
The alkene LED chip 10 position in a second light cup 15 can arbitrarily be exchanged, and forms the embodiment shown in Figure 10 and Figure 11, only
LED white light source 11 to be guaranteed individually is encapsulated in the first light cup 14.
In the embodiment shown in this Fig. 8 to Figure 11, the displaying principle of its complementary color area can also see above-mentioned Fig. 3, with
As a example by complementary color area in Fig. 3 1. region, for the display in 1. region, 14 points (blue light point) can be independent by blue chip 102
Send (now graphene LED chip 10 is closed), it is also possible to send by graphene LED chip 10 that (now blue chip 102 closes
Close), or can also jointly be opened by graphene LED chip 10 and blue chip 102 and send.Optionally, if 14 is blue light
Chip 102 sends, and 1 point (red spot) is sent by graphene LED chip 10, and 15 points (white point) are shown by LED white light source 11
Showing, 1. such 1 point, 14 and 15 3 trianglees surrounded can show the whole complementary color area of covering；When showing other face
(such as needing display green) during color, graphene LED chip 10 can adjust display tone, LED white light source 11 can be adjusted
Whole saturation, blue chip 102 is closed.
Optionally, in the embodiment shown in above-mentioned Fig. 8 to Figure 11, above-mentioned LED white light source 11 can include for sending out
The blue chip 102 penetrating blue light and the yellow fluorescent powder 103 being encapsulated in the silica gel on this blue chip 102 surface；Or, permissible
Including for launching the blue chip 102 of blue light and the green emitting phosphor 105 being encapsulated in the silica gel on this blue chip 102 surface
With red fluorescence powder 104.It should be noted that the white-light LED structure shown in above-mentioned Fig. 8 and Fig. 9 is by blue chip 102 He
Yellow fluorescent powder 103 composition being encapsulated in the silica gel on this blue chip 102 surface, white shown in above-mentioned Figure 10 and Figure 11
Light LED structure is the green emitting phosphor 105 by blue chip 102 and being encapsulated in the silica gel on this blue chip 102 surface and red
Color fluorescent material 104 composition, be the most only a kind of example, say, that the white-light LED structure in above-mentioned Fig. 8 and Fig. 9 can also
The green emitting phosphor 105 by blue chip 102 and being encapsulated in the silica gel on this blue chip 102 surface and red fluorescence powder 104
Composition, the white-light LED structure in above-mentioned Figure 10 and Figure 11 can also be by blue chip 102 be encapsulated in this blue chip 102 table
Yellow fluorescent powder 103 in the silica gel in face forms.
The light source assembly that above-mentioned Fig. 8 to Fig. 9 embodiment is provided, by light cup and the one-to-one relationship of LED chip, greatly
Improve greatly the light extraction efficiency of each LED chip, the light source assembly that above-mentioned Figure 10 to Figure 11 is provided, greatly reduce LED envelope
The cost of manufacture of dress, improves packaging efficiency.
The structural representation of the display device that Figure 12 provides for the embodiment of the present invention.As shown in figure 12, this liquid crystal display dress
Putting 200 and can include backlight module 20 and display floater 21, this backlight module 20 includes in multiple above-described embodiment involved
Light source assembly 100, these multiple light source assemblies 100 are arranged in backlight module by combination, jointly show for this display floater 21
Display backlight light source is provided.
In this display device 200, comprise the adjustable graphene LED chip of emission wavelength and for sending out owing to have employed
Penetrate the LED white light source of white light and for launching a LED primary light source of primary lights, therefore by regulation Graphene LED core
The grid voltage of sheet obtains multiple wavelengthtunable point, and then makes these multiple wavelengthtunable points can be many with LED white light source
The first wave length point of individual wavelength points and a LED primary light source constitutes envelope region, and guarantees this area shared by envelope region
The display dress that i.e. colour gamut indication range provides more than the colour gamut indication range of display device, the i.e. embodiment of the present invention in prior art
Put 200, it is possible to be greatly improved the colour gamut indication range of display device.
The schematic flow sheet of the display packing of the display device using light source assembly that Figure 13 provides for the embodiment of the present invention.
Display device in the present embodiment can have employed in this liquid crystal indicator for the liquid crystal indicator shown in above-mentioned Figure 12
State the light source assembly shown in Fig. 2 and Fig. 4 to 11 any embodiment.As shown in figure 13, the method includes:
S101: determine arbitrary wavelength points of graphene LED chip respectively with the first wave length point structure of a described LED primary light source
The gamut regions become.
S102: if described gamut regions falls within the gamut regions of described LED white light source, then select color to use bright
Spend high wavelength points to mix with the first wave length point of a LED primary light source.
Concrete, based in the light source assembly involved by above-mentioned Fig. 2 and Fig. 4 to 11 any embodiment, in this light source assembly
The adjustable graphene LED chip of emission wavelength used has multiple wavelength points, and the plurality of wavelength points can be with this light sources
The first wave length point of the LED primary light source in part is mixed to form complementary color, once this formation complementary color fall within white light source can
Time in covering color range, according to the visibility function of human eye, as shown in figure 14, wavelength can be generated by the closer to 555nm, unit power
Lumen number the highest, prioritizing selection is mixed with first wave length point near the point of 555nm by wavelength, the ripple that i.e. lumen number is the highest
Long point forms with multiple wavelength points of first wave length point, white light source and mixes light source.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a light source assembly, it is characterised in that this light source assembly includes: the adjustable graphene LED chip of emission wavelength, be used for
Launch the LED white light source of white light, for launching a LED primary light source of primary lights；
Wherein, multiple wavelengthtunable points of described graphene LED chip respectively with multiple wavelength points of described LED white light source and
The first wave length point of a described LED primary light source collectively forms colour gamut indication range.
Light source assembly the most according to claim 1, it is characterised in that be used for encapsulating described graphene LED chip, described
LED white light source and the matrix of a described LED primary light source, including being provided with the LED package support of light cup, wherein, institute
State graphene LED chip, described LED white light source and a described LED primary light source to be encapsulated in described light cup.
Light source assembly the most according to claim 1, it is characterised in that described graphene LED chip uses semi-reduction state
Graphene oxide composite material, by build chip face inner grid structure, to grid apply voltage to adjust described semi-reduction shape
The fermi level of the graphene oxide composite material of state, it is achieved regulate and control the emission wavelength of described graphene LED chip.
Light source assembly the most according to claim 1, it is characterised in that a described LED primary light source is to launch HONGGUANG
Red light chips.
Light source assembly the most according to claim 1, it is characterised in that a described LED primary light source is to launch blue light
Blue chip.
6. according to the light source assembly described in any one of claim 1-5, it is characterised in that described LED white light source include for
The blue chip launching blue light and the yellow fluorescent powder being encapsulated in the silica gel on described blue chip surface.
7. according to the light source assembly described in any one of claim 1-5, it is characterised in that the number of described second light cup is one
Individual；
Described graphene LED chip and described first LED chip are co-located in one the second light cup.
8. according to the light source assembly described in any one of claim 1-5, it is characterised in that the number of described second light cup is two
Individual；
Described graphene LED chip and described first LED chip are correspondingly arranged in a second light cup respectively.
9. a liquid crystal indicator, it is characterised in that including: backlight module and display floater, described backlight module includes many
Light source assembly arbitrary in individual claim 1-8, wherein, the plurality of light source assembly is arranged in backlight module by combination, altogether
It is all described display floater and display backlight light source is provided.
10. a display packing, it is characterised in that be applied in liquid crystal indicator described in claim 9, described method bag
Include:
Determine what arbitrary wavelength points of graphene LED chip first wave length point respectively with a described LED primary light source was constituted
Gamut regions；
If described gamut regions falls within the gamut regions of described LED white light source, then select the ripple that color employing brightness is high
Long point mixes with the first wave length point of a LED primary light source.
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co., Ltd Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |