CN207664059U - A kind of micro- light emitting diode and micro- active display structure of arrays - Google Patents
A kind of micro- light emitting diode and micro- active display structure of arrays Download PDFInfo
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- CN207664059U CN207664059U CN201721541075.6U CN201721541075U CN207664059U CN 207664059 U CN207664059 U CN 207664059U CN 201721541075 U CN201721541075 U CN 201721541075U CN 207664059 U CN207664059 U CN 207664059U
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Abstract
The utility model provides a kind of micro- light emitting diode; its surface is equipped with the groove of several light-permeables and covers the protective layer of groove; between each groove for can not light transmission non-transmissive region; it is filled with the solution made of luminescent material in each groove, the color of luminescent material is different in adjacent groove.The light of micro- light emitting diode excites different luminescent materials to shine, the extremely wide white light of gamut range can be produced after different Colored light mixings, micro- active display structure of arrays is made using micro- light emitting diode, again in each micro- LED surface coating by the fluorescence coating of different luminescent materials, it is set to generate different colors, meanwhile, each micro- light emitting diode can be with independent switch, the structures such as colour transition filter disc and liquid crystal are needed not move through, it can a large amount of raising efficiency.Micro- light emitting diode and micro- active display structure of arrays can utilize atomizing spraying technology, and atomizing spraying technology depressed structure size is to save spillage of material and extra flow.
Description
Technical field
The utility model belongs to LED technology field, and in particular to a kind of micro- light emitting diode and micro- active display array
Structure.
Background technology
In recent years, white light LEDs are gradually applied to the backlight or front light-source of fascia and LCD panel, and LED's is excellent
Point be it is small, power consumption is low, long lifespan (100,000 hours or more), environmental protection (it is shatter-proof, impact resistance is not fragile, waste is recyclable,
It is pollution-free) the advantages that, therefore be the green energy resource of a new generation.
Existing LED product, such as entitled " High efficiency flat illuminator for liquid
Crystal micro-display ", application No. is the United States Patent (USP) of " US09585200 ", disclosed micro display packets
Traditional striation, light guide plate and liquid crystal regulating switch are included, the LCD structure on the market is similar, is drawn to light bar
Element certainly will be controlled with filter, be assumed as a matter of course, and brightness is influenced by filter and light guide module, and brightness will consume many, and
NTSC and color rendering must not be high.
An other entitled " High efficiency flat illuminator for liquid crystal
The document of micro-display " utilizes the technology spray on polymer fluorescent dye of ink jet, via the micro- light-emitting diodes of blue light
Pipe excites to make micro- active display that picture element is 34 μm, and is 50 μm plus picture element after spacing, and pixel is larger, and this skill
Art gamut range is not wide, will have a limit to exist using ink jet printing technologies, and this technology can only spray glutinous turbid property
Higher material.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of micro- light emitting diode and is made by micro- light emitting diode
Micro- active display structure of arrays.
To achieve the above object, the utility model is achieved by following technical scheme：
The utility model provides a kind of micro- light emitting diode, and the surface of micro- light emitting diode is equipped with several light-permeables
The protective layer of groove and the covering groove, between each groove for can not light transmission non-transmissive region, each groove
It is inside filled with the solution made of luminescent material, the color of luminescent material is different in adjacent groove.
Preferably, which is characterized in that the groove is criss-cross, table of several grooves in micro- light emitting diode
It continuously arranges in face.
Preferably, micro- light emitting diode is the micro- light emitting diode of ultraviolet light.
Preferably, the luminescent material includes red emitting material, green light luminescent material and blue light emitting material.
Preferably, the luminescent material includes quantum dot fluorescence powder, high molecular fluorescent, phosphorescent polymer or dyestuff.
Preferably, the material of the protective layer is dimethyl silicone polymer.
The utility model provides a kind of micro- active display structure of arrays, including reflecting layer and several described above micro-
Light emitting diode, several micro- light emitting diode arrangement settings, the protective layer of each micro- light emitting diode is coated with glimmering
Photosphere, the reflecting layer cover several micro- light emitting diodes.
Preferably, the material of the fluorescence coating is single luminescent material, and the fluorescence coating includes being divided into different colors
Type.
Preferably, the reflecting layer is Distributed Bragg Reflection layer.
Compared with prior art, the utility model has the beneficial effects that：
The light of micro- light emitting diode described in the utility model excites different luminescent materials to shine, after different Colored light mixings
The extremely wide white light of gamut range can be produced, using the micro- active display structure of arrays of micro- light emitting diode making, then
Each micro- LED surface coating makes it generate different colors, together by the fluorescence coating of different luminescent materials
When, micro- light emitting diode can need not move through the structures such as colour transition filter disc and liquid crystal with independent switch, can largely be promoted
Efficiency.Further, micro- light emitting diode and micro- active display structure of arrays can utilize atomizing spraying technology, atomization spray
Painting technology depressed structure size is to save spillage of material and extra flow.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is structural schematic diagram when a kind of micro- light emitting diode described in the utility model is not filled by luminescent material；
Fig. 2 be a kind of micro- light emitting diode described in the utility model filling luminescent material after structural schematic diagram；
Fig. 3 is a kind of front view of micro- light emitting diode described in the utility model；
Fig. 4 is a kind of white light spectrogram of micro- light emitting diode described in the utility model；
Fig. 5 is a kind of NTSC1976 colour gamut coverage area diagrams of micro- light emitting diode described in the utility model；
Fig. 6 is multiple micro- light emitting diode arrangement modes in a kind of micro- active display structure of arrays described in the utility model
Schematic diagram；
Fig. 7 is a kind of dismantling schematic diagram of micro- active display structure of arrays described in the utility model.
In figure：
The micro- light emitting diodes of 1-；11- grooves；12- protective layers；13- non-transmissive regions；The reflecting layer 2-；3- fluorescence coatings.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
The utility model provides a kind of micro- light emitting diode, as shown in Figure 1 to Figure 3, the surface of micro- light emitting diode 1
Equipped with several grooves 11, the surface of each groove is both transparent for the light that micro- light emitting diode 1 is sent out, and in each groove
Between for can not light transmission non-transmissive region 13, in other words, the light that micro- light emitting diode 1 is sent out cannot be penetrated by non-transmissive region
13 go out, and are merely capable of projecting by the surface of groove 11, the solution made of luminescent material, phase are filled in each groove 11
The color of luminescent material is different in adjacent groove 11, meanwhile, matcoveredn 12 is covered at the top of groove 11, protective layer 12 will be sent out
Luminescent material is sealed in groove 11, it is preferable that the material of the protective layer 12 is dimethyl silicone polymer.
Preferably, the groove 11 is criss-cross, and several grooves 11 are continuous on the surface of micro- light emitting diode 1
Arrangement, is ultimately present as matrix shape.In the present embodiment, the spacing between adjacent grooves 11 is 40 μm, and the depth of groove 11 is about
It it is 80 μm, non-transparent region 13 is the upper surface of the side wall of each groove 11, i.e., the transverse and longitudinal item in Fig. 1 and Fig. 2.
Wherein, the luminescent material includes one in quantum dot fluorescence powder, high molecular fluorescent, phosphorescent polymer or dyestuff
Kind, the luminescent material preferred quantum dots fluorescent powder of the present embodiment, the 1 micro- light emitting diode of preferred ultraviolet light of micro- light emitting diode.For
Micro- light emitting diode 1 is set to generate white light, quantum dot fluorescence powder should include red quantum dot fluorescent powder, green quantum dot fluorescence
Powder and blue quantum dot fluorescent powder, each color quantum dot fluorescence powder is alternately filled in groove 11, as shown in Fig. 2, 1a institutes
The color region of finger represents red quantum dot fluorescent powder, and the color region of 1b meanings represents green quantum dot fluorescent powder, and 1c is signified
Color region represent blue quantum dot fluorescent powder.
Micro- light emitting diode 1 sends out ultraviolet light, ultraviolet excitation red quantum fluorescent powder, green quantum dot fluorescent powder and indigo plant
The sub- dot fluorescent powder of colo(u)r specification, to send out feux rouges, green light and blue light respectively, three kinds of Colored light mixings are the extremely wide white light of gamut range,
As shown in Figure 4 and Figure 5, the colour gamut coverage area ratio NTSC1976 standard values of the white light are high by 47%, compared to traditional fluorescent powder
White light LEDs, also phosphor white light LEDs taller 40% most wider than present colour gamut, using micro- light emitting diode 1 as display
Device backlight module can obtain higher colour vividness.
Embodiment 2
The utility model provides a kind of micro- active display structure of arrays 100, as shown in Figure 6 and Figure 7 comprising reflecting layer
2 and several micro- light emitting diodes 1 being arranged, the structure on micro- light emitting diode 1 is as described above.Meanwhile each
The protective layer 12 of micro- light emitting diode 1 is coated with fluorescence coating 3, and the reflecting layer 2 covers several micro- light emitting diodes
1.Wherein, the material of the fluorescence coating 3 is single luminescent material, and the fluorescence coating 3 divides for different color categories, changes speech
It, the protective layer 12 of each micro- light emitting diode 1 only coats a kind of fluorescence coating 3 of color, and a micro- active display
Structure of arrays 100 includes the fluorescence coating 3 of multiple color.The luminescent material preferred quantum dots fluorescent powder of the present embodiment, quantum dot are glimmering
The type of light powder includes at least red quantum dot fluorescent powder, green quantum dot fluorescent powder and blue quantum dot fluorescent powder.Preferably,
Each micro- light emitting diode 1 can be with independent switch, that is to say, that micro- active display structure of arrays 100 can produce respectively
Raw feux rouges, green light and blue light, therefore needing not move through the structures such as colour transition filter disc and liquid crystal can a large amount of raising efficiency.
The thickness of the fluorescence coating of red, green, blue quantum dot fluorescence powder is adjusted according to the transfer efficiency of this three kinds of colors, this reality
It applies in example, the thickness of three is respectively 1.7 μm, 4.9 μm, 5.5 μm.
Preferably, the reflecting layer 2 be Distributed Bragg Reflection layer, reflecting layer 2 can hinder a grade ultraviolet light penetrate out it is micro-
Light emitting diode 1, and ultraviolet light is retained in micro- light emitting diode 1 so that ultraviolet light can weigh in micro- light emitting diode 1
Multiple reflection can improve 1 luminous efficiency of micro- light emitting diode and Luminescence Uniformity.
Embodiment 3
A kind of packaging method for micro- active display structure of arrays 100 described above uses atomizing spraying skill
Art, the technology is using one equipped with the pipe for multiplying carrier fluid, and the sub- dot fluorescent powder of loading amount, shakes in the ultrasonic Jing Guo strength inside it
It swings so that be filled in the body of a gun after quantum dot fluorescence dust cloud, air-flow is loaded in body of a gun wall, air-flow concentrates the liquid of atomization simultaneously
It squeezes out and reaches spraying effect, the technology minimum can spray the pattern of 9 μm or so of size at present.
The packaging method includes the following steps：
Step S1：Several grooves 11 are dug out on the surface of micro- light emitting diode 1 using laser cutting technique, it is adjacent recessed
Spacing between slot 11 is 40 μm, and 11 depth of groove is approximately 80 μm, and micro- light emitting diode 1 that the present embodiment uses is the micro- hair of blue light
Optical diode；
Step S2：The solution of different luminescent materials is filled in corresponding groove 11, this reality using atomizing spraying technology
The luminescent material used is applied as quantum dot fluorescence powder, including red quantum dot fluorescent powder and green quantum dot fluorescent powder,
Step S3：On the surface of micro- light emitting diode 1 armor coated 12, the material of protective layer 12 is poly dimethyl
Siloxanes；
Step S4：Using atomizing spraying technology, luminescent material is sprayed at the protective layer by the way of bracing wire spraying
12, to form the fluorescence coating 3, the QD lines that the spraying line width of luminescent material is 30 μm, the luminescent material that this implementation uses for
Quantum dot fluorescence powder, including red quantum dot fluorescent powder, green quantum dot fluorescent powder and blue quantum dot fluorescent powder, each micro- hair
A kind of quantum dot fluorescence powder of color is only sprayed on the protective layer 12 of optical diode 1；
Step S5：Reflecting layer 2 is covered on all micro- light emitting diodes 1.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (9)
1. a kind of micro- light emitting diode, which is characterized in that the surface of micro- light emitting diode be equipped with several light-permeables groove,
And the protective layer of the covering groove, between each groove for can not light transmission non-transmissive region, each groove
It is inside filled with the solution made of luminescent material, the color of luminescent material is different in the adjacent groove.
2. a kind of micro- light emitting diode according to claim 1, which is characterized in that the groove is criss-cross, Ruo Gansuo
Groove is stated continuously to arrange on the surface of micro- light emitting diode.
3. a kind of micro- light emitting diode according to claim 1, which is characterized in that micro- light emitting diode is ultraviolet light
Micro- light emitting diode.
4. a kind of micro- light emitting diode according to claim 3, which is characterized in that the luminescent material includes red light-emitting
Material, green light luminescent material and blue light emitting material.
5. a kind of micro- light emitting diode according to claim 1, which is characterized in that the luminescent material includes that quantum dot is glimmering
Light powder, high molecular fluorescent, phosphorescent polymer or dyestuff.
6. a kind of micro- light emitting diode according to claim 1, which is characterized in that the material of the protective layer is poly- diformazan
Radical siloxane.
7. a kind of micro- active display structure of arrays, which is characterized in that including any one of reflecting layer and several claim 1-6
Micro- light emitting diode arrangement, several micro- light emitting diode arrangement settings, the guarantor of each micro- light emitting diode
Sheath is coated with fluorescence coating, and the reflecting layer covers several micro- light emitting diodes.
8. a kind of micro- active display structure of arrays according to claim 7, which is characterized in that the material of the fluorescence coating
For single luminescent material, the fluorescence coating includes being divided into different color categories.
9. a kind of micro- active display structure of arrays according to claim 7, which is characterized in that the reflecting layer is distribution
Formula Bragg reflecting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541075.6U CN207664059U (en) | 2017-11-17 | 2017-11-17 | A kind of micro- light emitting diode and micro- active display structure of arrays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541075.6U CN207664059U (en) | 2017-11-17 | 2017-11-17 | A kind of micro- light emitting diode and micro- active display structure of arrays |
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| CN207664059U true CN207664059U (en) | 2018-07-27 |
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| CN201721541075.6U Expired - Fee Related CN207664059U (en) | 2017-11-17 | 2017-11-17 | A kind of micro- light emitting diode and micro- active display structure of arrays |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183159A (en) * | 2017-11-17 | 2018-06-19 | 广州市香港科大霍英东研究院 | A kind of micro- light emitting diode, micro- active display structure of arrays and packaging method |
| CN112270893A (en) * | 2020-09-09 | 2021-01-26 | 深圳市奥拓电子股份有限公司 | Ultraviolet LED excited fluorescence display method, device and system |
| CN112652641A (en) * | 2020-12-21 | 2021-04-13 | 业成科技（成都）有限公司 | Light source assembly, preparation method thereof and display device |
-
2017
- 2017-11-17 CN CN201721541075.6U patent/CN207664059U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183159A (en) * | 2017-11-17 | 2018-06-19 | 广州市香港科大霍英东研究院 | A kind of micro- light emitting diode, micro- active display structure of arrays and packaging method |
| CN112270893A (en) * | 2020-09-09 | 2021-01-26 | 深圳市奥拓电子股份有限公司 | Ultraviolet LED excited fluorescence display method, device and system |
| CN112652641A (en) * | 2020-12-21 | 2021-04-13 | 业成科技（成都）有限公司 | Light source assembly, preparation method thereof and display device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20211117 |