CN106373950A - LED packaging structure, display apparatus and color display method - Google Patents
LED packaging structure, display apparatus and color display method Download PDFInfo
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- CN106373950A CN106373950A CN201610819418.4A CN201610819418A CN106373950A CN 106373950 A CN106373950 A CN 106373950A CN 201610819418 A CN201610819418 A CN 201610819418A CN 106373950 A CN106373950 A CN 106373950A
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- led
- graphene
- led chip
- encapsulating structure
- wavelengthtunable
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 title abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 115
- 239000000463 material Substances 0.000 claims description 36
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 150000001336 alkenes Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006336 epoxy molding compound Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 graphite Alkene Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/10—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L25/13—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group H01L33/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers 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 bodies
- H01L33/26—Materials of the light emitting region
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Led Device Packages (AREA)
Abstract
The invention provides an LED packaging structure, a display apparatus and a color display method. The LED packaging structure comprises at least one graphene LED chip, a white-light LED structure, and an LED packaging bracket with one or more light cups, wherein the at least one graphene LED chip and the white-light LED structure are packaged in the corresponding light cup; and multiple adjustable wavelength points of the at least one graphene LED chip and white-light points of the white-light LED structure jointly constitute a color gamut display region. By adoption of the LED packaging structure, the color gamut display region of the display apparatus can be enlarged.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of led encapsulating structure, display device and color displays side
Method.
Background technology
Display line in the industry, realizes the mode that colored display uses red-green-blue colour mixture at present, former according to colour mixture
Reason, the area of the triangle that the chromaticity coordinates point of three primary colours is surrounded, as attainable color gamut, referred to as display device
Colour gamut.The common devices that display is used for display include light emitting diode (light-emitting diode, abbreviation led), right
In all of led device, its glow color or wavelength are determined by luminescent material, once the preparation of led device completes, its luminous ripple
Length is fixing.
Therefore, because the emission wavelength of led device is fixed, therefore display device utilizes the attainable colour gamut of three primary colours colour mixture
The limit is as shown in Figure 1.This colour gamut limit is three that redgreenblue all falls within the maximum being surrounded after on the spectral line of horseshoe diagram
Angular area.However, the color that human eye can be experienced is whole horseshoe diagram, the scope display device outside triangle cannot show
Show.
Therefore, the colour gamut indication range how improving display device is current technical staff technical problem urgently to be resolved hurrily.
Content of the invention
The present invention provides a kind of led encapsulating structure, display device and color display method, to solve colour gamut in prior art
Indication range narrower it is impossible to meet user display require technical problem.
The present invention provides a kind of light emitting diode led encapsulating structure, comprising: at least one Graphene led chip, white light
Led structure, it is provided with the led package support of light cup；
Wherein, at least one Graphene led chip and white light led construction packages are in described light cup, at least one graphite
Multiple wavelengthtunable points of alkene led chip and the white point of white light led structure collectively form colour gamut indication range.
The present invention also provides a kind of display device, comprising: shell and display floater, described display floater include multiple as above
State arbitrary described led encapsulating structure, multiple led encapsulating structures are in that array is arranged；
Wherein, display floater is arranged in shell, and led encapsulating structure is arranged on the printed circuit board pcb of display device.
The present invention also provides a kind of color display method of the display device of employing led encapsulating structure, described led encapsulation knot
Structure includes such as any of the above-described described structure, and methods described includes:
Determine multiple wavelengthtunable points of at least one described Graphene led chip；
The multiple regions being constituted according to the white point of the plurality of wavelengthtunable point and described white light led structure, constitute institute
State the colour gamut indication range of display device.
Led encapsulating structure, display device and color display method that the present invention provides, wherein, at least one Graphene led
Chip, white light led structure, it is provided with the led package support of light cup；Wherein, at least one Graphene led chip and white light led
, in light cup, multiple wavelengthtunable points of at least one Graphene led chip are with the white point of white light led structure altogether for construction packages
Isomorphism becomes colour gamut indication range.Because Graphene led chip has adjustable wavelength points, thus by adjusting at least one graphite
The grid voltage of alkene led chip obtains multiple wavelengthtunable points, can improve and can be tied with white light led according to multiple wavelengthtunable points
The colour gamut indication range that the white point of structure is constituted, thus greatly improve the colour gamut indication range of display device.
Brief description
Colour gamut limit schematic diagram in the prior art that Fig. 1 provides for the present invention；
Fig. 2 is the structural representation of led encapsulating structure embodiment one provided in an embodiment of the present invention
A kind of color displays principle schematic that Fig. 3 provides for the present invention；
Another kind of color displays principle schematic that Fig. 4 provides for the present invention；
Fig. 5 is the structural representation of led encapsulating structure embodiment two provided in an embodiment of the present invention；
Fig. 6 is the structural representation of led encapsulating structure embodiment three provided in an embodiment of the present invention；
Fig. 7 is the structural representation of led encapsulating structure example IV provided in an embodiment of the present invention；
Fig. 8 is the structural representation of led encapsulating structure embodiment five provided in an embodiment of the present invention；
Fig. 9 is the structural representation of led encapsulating structure embodiment six provided in an embodiment of the present invention；
Figure 10 is the structural representation of led encapsulating structure embodiment seven provided in an embodiment of the present invention；
Figure 11 is the structural representation of display device provided in an embodiment of the present invention；
Figure 12 is a kind of color display method of the display device of employing led encapsulating structure provided in an embodiment of the present invention
Flow chart.
Reference:
100:led encapsulating structure；
10: Graphene led chip；
11: white light led structure；
12: light cup；
13:led package support；
111: blue light led chip；
112: the first mixing fluorescent materials；
122: yellow fluorescent material；
131: ultraviolet led chip；
132: the second mixing fluorescent materials；
200: display device；
20: shell；
21: display floater；
22:pcb.
Specific embodiment
The present embodiments relate to led encapsulating structure, go for arbitrary terminal unit with display device
In, for example go for TV, mobile phone, panel computer, personal digital assistant (personal digital assistant,
Abbreviation pda), point-of-sale terminal (point of sales, abbreviation pos), vehicle-mounted computer etc. there is the equipment of display screen, the present invention is real
Apply example the form of the terminal unit being applied to is not limited.
It will be appreciated that though xxx may be described using term first, second, third, etc. in embodiments of the present invention, but
These xxx should not necessarily be limited by these terms.These terms are only used for xxx is distinguished from each other out.For example, implementing without departing from the present invention
In the case of example scope, an xxx can also be referred to as the 2nd xxx, and similarly, the 2nd xxx can also be referred to as an xxx.
Existing display device, when carrying out color displays, uses the principle of three primary colours colour mixture, and it utilizes three primary colours
The colour mixture attainable colour gamut limit is as shown in Figure 1.This colour gamut limit is after redgreenblue all falls within the spectral line of horseshoe diagram
The area of the triangle of the maximum being surrounded.However, the color that human eye can be experienced is whole horseshoe diagram, the model outside triangle
Enclose display device cannot show.Therefore, the colour gamut indication range of prior art narrower it is impossible to the display meeting user requires.
Led encapsulating structure and display device that the embodiment of the present invention is provided are it is intended to solve the as above technology of prior art
Problem, thus reach the purpose of the colour gamut indication range improving display device.
With specifically embodiment, technical scheme is described in detail below.These are specifically implemented below
Example can be combined with each other, and may repeat no more in some embodiments for same or analogous concept or process.
Fig. 2 is the structural representation of led encapsulating structure embodiment one provided in an embodiment of the present invention.As shown in Fig. 2 should
Led encapsulating structure 100 includes: at least one Graphene led chip 10, white light led structure 11, be provided with light cup 12 led envelope
Dress support 13.
Wherein, at least one Graphene led chip 10, white light led structure 11 are encapsulated in light cup 12, at least one graphite
Multiple wavelengthtunable points of alkene led chip 10 and the white point of white light led structure 11 collectively form colour gamut indication range.
Specifically, before introducing the concrete scheme of the embodiment of the present invention, first the embodiment of the present invention is adopted here
The characteristic of Graphene led chip 10 does an introduction:
Graphene led chip 10 mainly uses the graphene oxide (semi-reduced of semi-reduction state
Graphene oxide, abbreviation srgo) material, this srgo material can be by laser writing technology from graphene oxide and reduction
Interface acquisition, the high conductivity of this srgo materials combine Graphene and the broad-band gap feature of graphene oxide of Graphene.Logical
Cross the face inner grid structure building Graphene led chip 10, the grid applied voltage of Graphene led chip 10 can be adjusted
The fermi level of srgo material, thus the emission wavelength of real-time regulation Graphene led chip 10.
That is, the Graphene led chip 10 that the embodiment of the present invention is adopted, it passes through to adjust the electricity being applied to grid
The centre wavelength that pressure can be lighted with real-time monitoring Graphene led, by applying different grid voltages, this Graphene led chip
10 emission wavelength can in the range of 450nm～750nm continuously adjustabe, substantially cover whole visible-range.Each graphite
Alkene led chip 10 can have at least one adjustable wavelength points.One wavelength points of Graphene led chip 10 can correspond to a kind of face
Color go out light.Wherein, the total number of the wavelengthtunable point of at least one Graphene led chip 10 can be this led encapsulating structure
The number of required wavelengthtunable point.The number of this wavelengthtunable point needed for led encapsulating structure 100 can be more than or equal to 3.
Optionally, the number of Graphene led chip 10 is 1 or multiple.The embodiment of the present invention is to Graphene led
The number of chip 10 does not limit, and the Graphene led chip 10 shown in above-mentioned Fig. 2 is taking one as a example, and the present invention is not with this
It is limited.
Optionally, if the number of Graphene led chip 10 is 1, this Graphene led chip 10 has in time domain successively
There are multiple wavelengthtunable points, wherein, the adjacent corresponding time interval of wavelengthtunable point is in preset time range.
If that is, only including a Graphene led chip 10 in this led encapsulating structure 100, can connect by time domain
Continuous multiple time points apply the voltage of corresponding wavelength points respectively, obtain corresponding wavelength points, adjacent wavelengthtunable point pair
The time interval answered is in preset time range.For the led encapsulating structure 100 including a Graphene led chip 10, can be
Multiple wavelengthtunable points of this Graphene led chip 10 are realized on time domain.
Optionally, if the number of Graphene led chip 10 is multiple, each Graphene led chip 10 has in time domain
At least one wavelengthtunable point, synchronization difference Graphene led chip 10 has different wavelengthtunable points.
Specifically, for the led encapsulating structure 100 including multiple Graphene led chips 10, can combine in time domain and space
Mode realize multiple wavelengthtunable points of this Graphene led chip 10.
For example, the number of the wavelengthtunable point as needed for this led encapsulating structure 100 can be 5, this Graphene led
The number of chip 10 is 2, and wherein, a Graphene led chip 10 can have 2 wavelengthtunable points, another stone in time domain
Black alkene led chip 10 can have remaining 3 wavelength points in time domain.
The number of the wavelengthtunable point as needed for this led encapsulating structure 100 can be 5, this Graphene led chip 10
Number is 5, and wherein, each Graphene led chip 10 can be respectively provided with one of this 5 wavelengthtunable points wavelengthtunable point, no
With Graphene led chip 10, there are different wavelengthtunable points.
White light led structure 11 can launch white light, in order to adjust the saturation light color of Graphene led chip 10.In vain
Light led structure 11 may include that primary lights led chip, and the fluorescent material of other colors outside this primary lights in three primary colories,
Wherein, this primary lights of primary lights led chip emission, can excite the fluorescent material of this other color to send white light.White light led ties
Structure 11 can also include: ultraviolet led chip, and three primary colories fluorescent material.
This led package support 13 adopts high reflection, anti-light illumination aging and the strong material composition of plasticity, such as epoxy resin mould
Plastics (epoxy molding compound, abbreviation emc) material, it can be by the Graphene led chip in light cup 12
10 and white light led structure 11 and other component package protection.Light cup 12 on this led package support 13 can improve forward direction and go out light
Efficiency.
Optionally, the light cup 12 on this led package support 13 can be one, can also be multiple, the embodiment of the present invention
The number of light cup 12 is not limited, the light cup 12 shown in above-mentioned Fig. 2 is that taking two as a example the present invention is not limited thereto.
Optionally, above-mentioned each Graphene led chip 10, the driving of white light led structure 11 independently control.
Because above-mentioned at least one Graphene led chip 10 has multiple wavelengthtunable points and above-mentioned white light led structure 11
There is the white point of a fixation, therefore, the first wave length point in multiple wavelengthtunable points of at least one Graphene led chip 10
With second wave length point, a viewing area can be constituted with the white point of white light led structure 11, the structure of this viewing area is triangle
Shape.So, multiple wavelengthtunable points of at least one Graphene led chip 10 are just and the white point of white light led structure 11 can structure
Become multiple trianglees, the shared area in horseshoe diagram of this multiple triangle is more than the area in Fig. 1 shared by maximum triangle, tool
Body reason is as follows:
In prior art, gamut range that display device can the show institute in horseshoe diagram for the maximum triangle in Fig. 1
The area accounting for, wherein, the maximum triangle in Fig. 1 is to be formed by redgreenblue colour mixture, three tops of this maximum triangle
Point is respectively red spot, blue light point and green glow point；Led encapsulating structure 100 in the application, includes at least one Graphene
Led chip 10 and the white light led structure 11 of fixing white point, in horseshoe diagram, of Graphene led chip 10 can harmonic
Long point can correspond to a summit of triangle, and two different wavelengthtunable points can correspond to two summits of triangle, and this is white
The white point of light led structure 11 can correspond to another summit of triangle.Two wavelengthtunable points correspond to two tops of triangle
Point can be with any two summit of Fig. 1 maximum triangle.So only need to adjust more than 10 wavelengthtunable point of Graphene led chip
Just can surround multiple sizes not wait triangle, and adjust Graphene led chip 10 wavelength points when it is ensured that its
The shared area in horseshoe diagram of multiple trianglees of being surrounded is more than the area in Fig. 1 shared by maximum triangle.
Separately below color displays are combined by the wavelengthtunable point of the different numbers of at least one Graphene led chip 10
Principle is specifically described.
For example, a kind of color displays principle schematic that Fig. 3 provides for the present invention.In Fig. 3, summit 1, summit 2, summit 3,
Summit 4, summit 5 are respectively 5 wavelength points of the emission wavelength adjustable Graphene led chip 10 of setting, can positioned at central point
Think the white point of white light led structure 11.Now arranged by Graphene led chip 10 and illustrate as a example five wavelength points, center
White point and summit 1, summit 2, summit 3, summit 4, summit 5, totally 6 points, can forming region 1., region 2., region 3., area
Domain 4., region 5. totally 5 color displays regions.When in led encapsulating structure 100, at least one Graphene led chip 10 many
In individual wavelengthtunable point, two wavelength points corresponding vertex 1 and summits 2 respectively, summit 1, summit 2 and white point can be mixed to form area
The all colours in domain 1, can make all colours in display device viewing area 1.When in led encapsulating structure 100, at least one
In multiple wavelengthtunable points of individual Graphene led chip 10, two wavelength points corresponding vertex 2 and summits 3 respectively, summit 2, summit
3 and white point can be mixed to form all colours in region 2, all colours in display device viewing area 2 can be made.Work as led
In encapsulating structure 100, in multiple wavelengthtunable points of at least one Graphene led chip 10, two wavelength points correspond to respectively
Summit 3 and summit 4, summit 3, summit 4 and white point can be mixed to form all colours in region 3, and display device can be made to show
All colours in region 3.When in led encapsulating structure 100, multiple wavelengthtunables of at least one Graphene led chip 10
In point, two wavelength points corresponding vertex 4 and summits 5 respectively, summit 4, summit 5 and white point can be mixed to form all of region 4
Color, can make all colours in display device viewing area 4.When in led encapsulating structure 100, at least one Graphene
In multiple wavelengthtunable points of led chip 10, two wavelength points corresponding vertex 1 and summits 5 respectively, summit 1, summit 5 and white light
Point can be mixed to form all colours in region 5, can make all colours in display device viewing area 5.Wherein, region 5 is
Complementary color area, does not have corresponding wavelength, needs to carry out colour mixture by summit 1, summit 5 and white point to be formed.
Another kind of color displays principle schematic that Fig. 4 provides for the present invention.In Fig. 4, summit 1, summit 2, summit 3, top
8 wavelength of point 4, summit 5, summit 6, summit 7, the summit 8 respectively emission wavelength adjustable Graphene led chip 10 of setting
Point, can be the white point of white light led structure 11 positioned at central point.Now arranging eight wavelength points with Graphene led chip 10 is
Example illustrates, the white point at center and summit 1, summit 2, summit 3, summit 4, summit 5, summit 6, summit 7, summit 8, and totally 9
Individual, can forming region 1., region 2., region 3., region 4., region 5., region 6., region 7., region 8. totally 8 colors show
Show region.When in led encapsulating structure 100, in multiple wavelengthtunable points of at least one Graphene led chip 10, two ripples
Long point corresponding vertex 1 and summit 2 respectively, summit 1, summit 2 and white point can be mixed to form all colours in region 1, can make
All colours in display device viewing area 1.When in led encapsulating structure 100, at least one Graphene led chip 10
In multiple wavelengthtunable points, two wavelength points corresponding vertex 2 and summits 3 respectively, summit 2, summit 3 and white point can be mixed to form
The all colours in region 2, can make all colours in display device viewing area 2.When in led encapsulating structure 100, at least
In multiple wavelengthtunable points of one Graphene led chip 10, two wavelength points corresponding vertex 3 and summits 4 respectively, summit 3, top
Point 4 and white point can be mixed to form all colours in region 3, can make all colours in display device viewing area 3.When
In led encapsulating structure 100, in multiple wavelengthtunable points of at least one Graphene led chip 10, two wavelength points are right respectively
Answer summit 4 and summit 5, summit 4, summit 5 and white point can be mixed to form all colours in region 4, display device can be made to show
Show all colours in region 4.When, in led encapsulating structure 100, the multiple of at least one Graphene led chip 10 can harmonic
In long point, two wavelength points corresponding vertex 5 and summits 6 respectively, summit 5, summit 6 and white point can be mixed to form the institute in region 5
There is color, all colours in display device viewing area 5 can be made.When in led encapsulating structure 100, at least one graphite
In multiple wavelengthtunable points of alkene led chip 10, two wavelength points corresponding vertexs 6 and summits 7 respectively, summit 6, summit 7 and white
Luminous point can be mixed to form all colours in region 6, can make all colours in display device viewing area 6.When led encapsulates knot
In structure 100, in multiple wavelengthtunable points of at least one Graphene led chip 10, two wavelength points corresponding vertex 7 Hes respectively
Summit 8, summit 7, summit 8 and white point can be mixed to form all colours in region 7, can make in display device viewing area 7
All colours.When in led encapsulating structure 100, in multiple wavelengthtunable points of at least one Graphene led chip 10, two
Individual wavelength points corresponding vertex 1 and summit 8 respectively, summit 1, summit 8 and white point can be mixed to form all colours in region 8, can
Make all colours in display device viewing area 8.Wherein, region 8 is complementary color area, does not have corresponding wavelength, needs logical
Cross summit 1, summit 8 and white point and carry out colour mixture and formed.
Led encapsulating structure provided in an embodiment of the present invention, including at least one Graphene led chip, white light led structure,
It is provided with the led package support of light cup；Wherein, at least one Graphene led chip and white light led construction packages are in light cup,
Multiple wavelengthtunable points of at least one Graphene led chip and the white point of white light led structure collectively form colour gamut display model
Enclose.Because Graphene led chip has adjustable wavelength points, thus by adjusting the grid of at least one Graphene led chip
Voltage obtains multiple wavelengthtunable points, and can improve can be with the white point institute structure of white light led structure according to multiple wavelengthtunable points
The colour gamut indication range becoming, thus greatly improve the colour gamut indication range of display device.
Fig. 5 is the structural representation of led encapsulating structure embodiment two provided in an embodiment of the present invention.Fig. 6 is that the present invention is real
The structural representation of the led encapsulating structure embodiment three of example offer is provided.Fig. 7 is led encapsulating structure provided in an embodiment of the present invention
The structural representation of example IV.Led envelope in embodiment shown in Fig. 5-Fig. 7, involved by above-mentioned led encapsulating structure 100
Dress support 13 can include three light cups 12.This led encapsulating structure 100 includes 2 Graphene led chips 10.Each Graphene
Led chip 10 is encapsulated in a light cup 12, and white light led structure 11 is encapsulated in a light cup 12.
Referring to Fig. 5, optionally, above-mentioned white light led structure 11 may include that blue light led chip 111, red fluorescence material
The first mixing fluorescent material 112 with green fluorescent material composition.
Referring to Fig. 6, optionally, above-mentioned white light led structure 11 may include that blue light led chip 111, yellow fluorescent material
122.
Referring to Fig. 7, optionally, above-mentioned white light led structure 11 may include that ultraviolet led chip 131, blue fluorescent material,
Red fluorescence material and the second mixing fluorescent material 132 of green fluorescent material composition.
It should be noted that Fig. 5-Fig. 7 is taking include 2 Graphene led chips 10 as a example to illustrate, certainly, this
Bright led encapsulating structure 100 may also comprise the Graphene led chip 10 of other numbers.In Fig. 5-Fig. 7, above-mentioned Graphene led
Chip 10, white light led structure 11 can arbitrarily be exchanged in the position of led package support 13.For example, it is also possible to by Fig. 5 first
Individual Graphene led chip 10 is placed in first light cup 12 on the left side, and another Graphene led chip 10 is placed on centre
In the light cup 12 of position, and white light led structure 11 is placed in the first light cup 12 in the right.Certainly can also be other tune
Change mode, as long as encapsulating a chip in a light cup 12.
Led encapsulating structure provided in above-mentioned Fig. 5-Fig. 7, by the one-to-one relationship of light cup and led chip, significantly
Improve the light extraction efficiency of each led chip.
Fig. 8 is the structural representation of led encapsulating structure embodiment five provided in an embodiment of the present invention.Fig. 9 is that the present invention is real
The structural representation of the led encapsulating structure embodiment six of example offer is provided.Figure 10 is led encapsulating structure provided in an embodiment of the present invention
The structural representation of embodiment seven.Led envelope in embodiment shown in Fig. 8-Figure 10, involved by above-mentioned led encapsulating structure 100
Dress support 13 can include two light cups 12.This led encapsulating structure 100 includes 2 Graphene led chips 10.2 Graphenes
Led chip 10 is mutually encapsulated in a light cup, and white light led structure 11 is encapsulated in another light cup 12.
Referring to Fig. 8, optionally, above-mentioned white light led structure 11 may include that blue light led chip 111, red fluorescence material
The first mixing fluorescent material 112 with green fluorescent material composition.
Referring to Fig. 9, optionally, above-mentioned white light led structure 11 may include that blue light led chip 121, yellow fluorescent material
122.
Referring to Figure 10, optionally, above-mentioned white light led structure 11 may include that ultraviolet led chip 131, blue-fluorescence material
Second mixing fluorescent material 132 of material, red fluorescence material and green fluorescent material composition.
It should be noted that Fig. 8-Figure 10 is taking include 2 Graphene led chips 10 as a example to illustrate, certainly, this
Bright led encapsulating structure 100 may also comprise the Graphene led chip 10 of other numbers.In Fig. 8-Figure 10, above-mentioned Graphene
Led chip 10, white light led structure 11 can arbitrarily be exchanged in the position of led package support 13.For example, it is also possible to by Fig. 82
Individual Graphene led chip 10 is placed in first light cup 12 on the right, and white light led structure 11 is placed on first light in the right
In cup 12.Certainly can also be other exchange modes, as long as the plurality of Graphene led chip 10 is encapsulated in a light cup 12
In.
The led encapsulating structure that above-mentioned Fig. 8-Figure 10 is provided, is mutually encapsulated into a light by multiple Graphene led chips
In cup, substantially increase the packaging efficiency of led encapsulating structure, and reduce encapsulation complexity and packaging cost.
Figure 11 is the structural representation of display device provided in an embodiment of the present invention.As shown in figure 11, this display device 200
Shell 20 and display floater 21 can be included, display floater 21 includes involved led encapsulation in multiple such as above-described embodiments
Structure 100；Multiple led encapsulating structures 100 are in that array is arranged.
Wherein, this display floater 21 is arranged in described shell 20, and above-mentioned led encapsulating structure 100 is arranged on display device
On 200 printed circuit board pcb 22.
In this display device 200, due to employing the led including at least one Graphene led chip, white light led structure
Encapsulating structure, therefore can obtain multiple wavelengthtunable points by adjusting the grid voltage of Graphene led chip, and then make this
Multiple wavelengthtunable points can constitute multiple trianglees with the white point of white light led structure, and guarantees shared by this multiple triangle
Area be colour gamut indication range be more than prior art in display device colour gamut indication range, that is, provided in an embodiment of the present invention
Display device substantially increases the gamut range that can show.
Figure 12 is a kind of color display method of the display device of employing led encapsulating structure provided in an embodiment of the present invention
Flow chart.Display device in the present embodiment can be the display device shown in above-mentioned Figure 11, employs in this display device
State the led encapsulating structure shown in Fig. 2 to Figure 10 any embodiment.As shown in figure 8, the method mays include:
S1201, determine multiple wavelengthtunable points of at least one this Graphene led chip.
S1202, the multiple regions being constituted according to the white point of the plurality of wavelengthtunable point and this white light led structure, are constituted
The colour gamut indication range of this display device.
Specifically, can be by multiple wavelengthtunable points are applied at least one this Graphene led chip in the method
Corresponding voltage, thus obtain multiple wavelengthtunable points of at least one this Graphene led chip.Based on above-mentioned Fig. 2 to Figure 10
Led encapsulating structure involved by any embodiment, at least one Graphene led chip tool employed in this led encapsulating structure
There are the first wave length point in multiple wavelengthtunable points and second wave length point, a display can be constituted with the white point of white light led structure
Region, the structure of this viewing area is triangle.So, multiple wavelengthtunable points of at least one Graphene led chip just and
The white point of white light led structure 11 may make up multiple trianglees.In the plurality of triangle, each triangle pair should display device
A viewing area.The plurality of viewing area, may make up the whole colour gamut indication range of this display device.
The color display method of the display device of employing led encapsulating structure provided in an embodiment of the present invention, can be by determining
Multiple wavelengthtunable points of at least one Graphene led chip are white according to the plurality of wavelengthtunable point and this white light led structure
Multiple regions that luminous point is constituted, constitute the colour gamut indication range of this display device.Because Graphene led chip has adjustable ripple
Long, thus obtain multiple wavelengthtunable points by adjusting the grid voltage of at least one Graphene led chip, basis can be improved
The colour gamut indication range that multiple wavelengthtunable points can be constituted with the white point of white light led structure, thus greatly improve display
The colour gamut indication range of device.
Finally it is noted that various embodiments above, only in order to technical scheme to be described, is not intended to limit；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that: its according to
So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered
Row equivalent；And these modifications 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 kind of light emitting diode led encapsulating structure is it is characterised in that include: at least one Graphene led chip, white light led
Structure, it is provided with the led package support of light cup；
Wherein, at least one described Graphene led chip and described white light led construction packages are in described light cup, at least one
Multiple wavelengthtunable points of described Graphene led chip and the white point of described white light led structure collectively form colour gamut display model
Enclose.
If 2. led encapsulating structure according to claim 1 is it is characterised in that the number of described Graphene led chip is 1,
Described Graphene led chip has multiple wavelengthtunable points in time domain successively, wherein, when adjacent wavelengthtunable point is corresponding
Between be spaced in preset time range.
If 3. led encapsulating structure according to claim 1 is it is characterised in that the number of described Graphene led chip is many
Individual, each described Graphene led chip has at least one wavelengthtunable point in time domain, the different described Graphene of synchronization
Led chip has different wavelengthtunable points.
4. led encapsulating structure according to claim 1 is it is characterised in that described white light led structure includes: blue light led core
Piece, red fluorescence material and green fluorescent material.
5. led encapsulating structure according to claim 1 is it is characterised in that described white light led structure includes: blue light led core
Piece, yellow fluorescent material.
6. led encapsulating structure according to claim 1 is it is characterised in that described white light led structure includes: ultraviolet led core
Piece, blue fluorescent material, red fluorescence material and green fluorescent material.
7. the led encapsulating structure according to any one of claim 1-6 it is characterised in that described led package support include many
Individual light cup；
Each described Graphene led chip package is in a light cup；Described white light led construction packages are in a light cup.
8. the led encapsulating structure according to any one of claim 1-6 is it is characterised in that described led package support includes two
Individual light cup；
At least one described Graphene led is encapsulated in a light cup；Described white light led construction packages are in a light cup.
9. a kind of display device is it is characterised in that include: shell and display floater, and described display floater includes multiple such as above-mentioned
Led encapsulating structure described in any one of claim 8 for the claim 1, the plurality of led encapsulating structure is in that array is arranged；
Wherein, described display floater is arranged in the housing, and described led encapsulating structure is arranged on the printing of described display device
On circuit board pcb.
10. a kind of color display method of the display device of employing led encapsulating structure is it is characterised in that described led encapsulating structure
Including as the claims 1 to any one of claim 8 as described in structure, methods described includes:
Determine multiple wavelengthtunable points of at least one described Graphene led chip；
The multiple regions being constituted according to the white point of the plurality of wavelengthtunable point and described white light led structure, constitute described aobvious
The colour gamut indication range of showing device.
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|---|---|---|---|
| CN201610819418.4A CN106373950B (en) | 2016-09-12 | 2016-09-12 | LED packaging structure, display device and color display method |
| US15/394,736 US20180075625A1 (en) | 2016-09-12 | 2016-12-29 | Led package structure, display apparatus, and method for color display |
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| CN201610819418.4A CN106373950B (en) | 2016-09-12 | 2016-09-12 | LED packaging structure, display device and color display method |
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| CN101188261A (en) * | 2007-12-17 | 2008-05-28 | 天津理工大学 | LED with high dispersion angle and surface light source |
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