CN110021648A - Display panel - Google Patents
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- CN110021648A CN110021648A CN201910239665.0A CN201910239665A CN110021648A CN 110021648 A CN110021648 A CN 110021648A CN 201910239665 A CN201910239665 A CN 201910239665A CN 110021648 A CN110021648 A CN 110021648A
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- Prior art keywords
- lens
- protective layer
- several
- display panel
- panel body
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
This application provides a kind of display panels; the display panel includes panel body, several protective layers and lens jacket; several protective layers are cascadingly set in the panel body; the lens jacket is located at the surface of any protective layer; the lens jacket includes several first lens and several second lens; first lens array is arranged in any surface of the protective layer far from the panel body, and second lens are set to the surface of first lens.By by the light emission side for being arranged in the display panel of several first lens arrays, simultaneously, second lens are set on the surface of the first lens, to form the structure for being similar to Compound Eye of Insects, it is effectively reduced total reflection of the light inside display panel, to improve light output efficiency, while improving the visual angle of display panel.
Description
Technical field
This application involves display fields, and in particular to a kind of display panel.
Background technique
In the prior art, the light generated inside display panel is in transmission process, due to total reflection and waveguiding effect
Deng, most of light is confined or is lost in organic material, transparent electrode or glass substrate, and cause light output efficiency low, because
This, how to improve the light output efficiency of display panel is current urgent problem to be solved.
Summary of the invention
The embodiment of the present application provides a kind of display panel, to improve the light output efficiency of display panel.
A kind of display panel, comprising:
One panel body；
Several protective layers, several protective layers are cascadingly set in the panel body；And
One lens jacket, the lens jacket are located at the surface of any protective layer, and the lens jacket includes:
Several first lens, first lens array are arranged in any table of the protective layer far from the panel body
Face；And
Several second lens, second lens are set to the surface of first lens.
In display panel provided herein, the diameters of first lens is 1 micron -100 microns, described second
The diameter of lens is 100 nanometers -700 nanometers.
In display panel provided herein, first lens are orthogonal arrangement or hexagonal array.
In display panel provided herein, the transparency of first lens and the second lens is greater than 90%, institute
The refractive index for stating the first lens and the second lens is greater than 1.45.
In display panel provided herein, several protective layers include being set in turn in the panel body
First protective layer, the second protective layer and third protective layer, the lens jacket are set to the third protective layer far from the panel
The surface of main body.
In display panel provided herein, there is several first gaps, institute between several first lens
The second lens are stated to be also provided in first gap and be located at the surface of the third protective layer far from the panel body.
In display panel provided herein, several protective layers include being set in turn in the panel body
First protective layer, the second protective layer and third protective layer, the lens jacket are set to second protective layer far from the panel
The surface of main body.
In display panel provided herein, there is several second gaps, institute between several first lens
The second lens are stated to be also provided in second gap and be located at the table of the secondth protective layer far from the panel body
Face.
In display panel provided herein, several protective layers include being set in turn in the panel body
First protective layer, the second protective layer and third protective layer, the lens jacket are set to first protective layer far from the panel
The surface of main body.
In display panel provided herein, there is several third spaces, institute between several first lens
The second lens are stated to be also provided in the third space and be located at the surface of first protective layer far from the panel body.
This application provides a kind of display panel, the display panel includes panel body, several protective layers and lens jacket,
Several protective layers are cascadingly set in the panel body, and the lens jacket is located at the table of any protective layer
Face, the lens jacket include several first lens and several second lens, and first lens array is arranged in any guarantor
Surface of the sheath far from the panel body, second lens are set to the surface of first lens.By by several institutes
The light emission side for being arranged in the display panel of the first lens array is stated, meanwhile, second is arranged on the surface of the first lens thoroughly
Mirror is effectively reduced total reflection of the light inside display panel, to improve to form the structure for being similar to Compound Eye of Insects
Light output efficiency, while improving the visual angle of display panel.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of the first embodiment of display panel provided herein.
Fig. 2 is the schematic diagram of the first array arrangement of the first lens of display panel provided herein.
Fig. 3 is the schematic diagram of second of array arrangement of the first lens of display panel provided herein.
Fig. 4 is the structure of the first lens of display panel provided herein and the first embodiment of the second lens
Schematic diagram.
Fig. 5 is the structure of the first lens of display panel provided herein and second of embodiment of the second lens
Schematic diagram.
Fig. 6 is the structural schematic diagram of second of embodiment of display panel provided herein.
Fig. 7 is the structural schematic diagram of the third embodiment of display panel provided herein.
Fig. 8 is the first flow diagram of the production method of display panel provided herein.
Fig. 9 is the structural schematic diagram of the electrofluid jet printing appts in the production method of display panel provided herein.
Figure 10 is the status diagram of the first lens of setting in the production method of display panel provided herein.
Figure 11 is the status diagram of the second lens of setting in the production method of display panel provided herein.
Figure 12 is second of flow diagram of the production method of display panel provided herein.
Figure 13 is the third flow diagram of the production method of display panel provided herein.
Figure 14 is the 4th kind of flow diagram of the production method of display panel provided herein.
Specific embodiment
Referring to Fig. 1, the application provides a kind of display panel 100.The display panel 100 include panel body 100a,
Several protective layers 16 and lens jacket 17.
The panel body 100a includes anode layer 10, hole injection layer 11, luminescent layer 12, electron injecting layer 13 and cathode
Layer 14.The anode layer 10 may include the first ITO layer 10a, silver layer 10b and the second ITO layer 10c.The silver layer 10b not only has
There is conducting function, while having both reflection function, the light of the sending of luminescent layer 12 can be made from the side of the cathode layer 14
Outgoing.The light emission side of the panel body 100a is the panel body 100a towards the side of the cathode layer 14.The sky
Cave implanted layer 11 may include the first hole injection sublayer 11a being set in turn on the second ITO layer 10c and the second hole
Inject sublayer 11b.The luminescent layer 12 is set on the second hole injection sublayer 11b.The electron injecting layer 13 can be with
Including the first electron injection sublayer 13a and the second electron injection sublayer 13b being set in turn on the luminescent layer 12.The yin
Pole layer 14 is located on the second electron injection sublayer 13b.The panel body 100a can also include a flatness layer 15.It is described
Flatness layer 15 is set on the cathode layer 14.
Several protective layers 16 include at least one protective layer 16.The protective layer 16 is set to the flatness layer 15
On.In the present embodiment, several protective layers 16 include the first protective layer 16a, the second protective layer 16b and third protective layer
16c.The first protective layer 16a can be inorganic protective layer 16.The second protective layer 16b can be organic protection layer 16.
The third protective layer 16c can be inorganic protective layer 16.
The lens jacket 17 is located at the surface of any protective layer 16.The lens jacket 17 includes several first lens
17a and several second lens 17b.The transparency of the first lens 17a and the second lens 17b are greater than 90%.Described first thoroughly
The refractive index of mirror 17a and the second lens 17b are greater than 1.45.The first lens 17a can be acryl resin and epoxy resin
One or both of combination, or other materials.The second lens 17b can be acryl resin and asphalt mixtures modified by epoxy resin
The combination of one or both of rouge, or other materials.
The first lens 17a array arrangement is in any surface of the protective layer 16 far from the panel body 100a.
The diameter of the first lens 17a is 1 micron -100 microns.Referring to Fig. 2, the first lens 17a can use orthogonal row
The mode of cloth is arranged in the surface of any protective layer 16.In the present embodiment, described by the way of Orthogonally arrangement
Duty ratio of the one lens 17a on the surface of the protective layer 16 reaches as high as 78.5%.Referring to Fig. 3, the first lens 17a
The surface of any protective layer 16 can also be arranged in by the way of hexagonal array.In the present embodiment, using six sides
Duty ratio of the first lens 17a of the mode of shape arrangement on the surface of the protective layer 16 reaches as high as 90.7%.
The second lens 17b is set to the surface of the first lens 17a.The diameter of the second lens 17b is 100
- 700 nanometers of nanometer.Referring to Fig. 4, the second lens 17b can have roughly the same diameter and uniformly be arranged in institute
State the surface of the first lens 17a.Referring to Fig. 5, the second lens 17b can also have different diameter and heterogeneous
It is arranged in the surface of the first lens 17a.
In the present embodiment, the lens jacket 17 is set to the third protective layer 16c far from the panel body 100a
Surface.There are several first gap 18a between several first lens 17a.The second lens 17b is also provided at institute
It states in the first gap 18a and is located at surface of the third protective layer 16c far from the panel body 100a.
In other embodiments, referring to Fig. 6, the lens jacket 17 is set to the second protective layer 16b far from described
The surface of panel body 100a.There are several second gap 18b between several first lens 17a.Second lens
17b is also provided in the second gap 18b and is located at table of the second protective layer 16b far from the panel body 100a
Face.
In other embodiments, referring to Fig. 7, the lens jacket 17 is set to the first protective layer 16a far from described
The surface of panel body 100a.There are several third space 18c between several first lens 17a.Second lens
17b is also provided in the third space 18c and is located at table of the first protective layer 16a far from the panel body 100a
Face.
It include panel body 100a, several protective layers 16 and lens jacket 17, institute this application provides a kind of display panel 100
It states several protective layers 16 to be cascadingly set on the panel body 100a, the lens jacket 17 is located at any protective layer
16 surface, the lens jacket 17 include several first lens 17a and several second lens 17b, the first lens 17a array
It is arranged in surface of any protective layer 16 far from the panel body 100a, the second lens 17b is set to described
The surface of one lens 17a.By by the light emission side for being arranged in the display panel 100 of several first lens 17a arrays,
Meanwhile the second lens 17b is set on the surface of the first lens 17a, to form the structure for being similar to Compound Eye of Insects, effectively subtract
Lack total reflection of the light inside display panel 100, to improve light output efficiency, while improving display panel 100
Visual angle.
The application also provides a kind of production method of display panel 100.Referring to Fig. 8, the production of the display panel 100
Method includes:
101, a panel body 100a is provided.
The panel body 100a includes anode layer 10, hole injection layer 11, luminescent layer 12, electron injecting layer 13 and cathode
Layer 14.The anode layer 10 may include the first ITO layer 10a, silver layer 10b and the second ITO layer 10c.The silver layer 10b not only has
There is conducting function, while having both reflection function, the light of the sending of luminescent layer 12 can be made from the side of the cathode layer 14
Outgoing.The light emission side of the panel body 100a is the panel body 100a towards the side of the cathode layer 14.The sky
Cave implanted layer 11 may include the first hole injection sublayer 11a being set in turn on the second ITO layer 10c and the second hole
Inject sublayer 11b.The luminescent layer 12 is set in the sublayer of second hole.The electron injecting layer 13 may include successively
The the first electron injection sublayer 13a and the second electron injection sublayer 13b being set on the luminescent layer 12.The cathode layer 14
In on the second electron injection sublayer 13b.The panel body 100a can also include a flatness layer 15.The flatness layer 15
It is set on the cathode layer 14.
102, several protective layers 16 are set gradually on the panel body 100a.
Several protective layers 16 include at least one protective layer 16.The protective layer 16 is set to the flatness layer 15
On.In the present embodiment, several protective layers 16 include the first protective layer 16a, the second protective layer 16b and third protective layer
16c.The first protective layer 16a can be inorganic protective layer 16.The second protective layer 16b can be organic protection layer 16.
The third protective layer 16c can be inorganic protective layer 16.
103, one lens jacket 17 is set far from the surface of the panel body 100a in any protective layer 16, wherein include:
1031, several first lens 17a are set far from the surface of the panel body 100a in any protective layer 16；And
1032, on the surface of several first lens 17a, several second lens 17b are set.
The lens jacket 17 is located at the surface of any protective layer 16.The lens jacket 17 includes several first lens
17a and several second lens 17b.The transparency of the first lens 17a and the second lens 17b are greater than 90%.Described first thoroughly
The refractive index of mirror 17a and the second lens 17b are greater than 1.45.The first lens 17a can be acryl resin and epoxy resin
One or both of combination, or other materials.The second lens 17b can be acryl resin and asphalt mixtures modified by epoxy resin
The combination of one or both of rouge, or other materials.The first lens 17a array arrangement is in any protection
16 surface far from the panel body 100a of layer.The diameter of the first lens 17a is 1 micron -100 microns.Described second
Lens 17b is set to the surface of the first lens 17a.The diameter of the second lens 17b is 100 nanometers -700 nanometers.
It should be noted that several first lens are arranged far from the surface of the panel body 100a in any protective layer 16
Before 17a, hydrophobic treatment can be done to the protective layer 16.In one embodiment, PI glue band can be used OLED device
The covering of part electrode section, only remains processing region, prevents electrode corrosion；Panel body 100a to be processed is placed in glass culture
In ware, it is put into baking oven, is vacuumized, is heated 1 hour at 100 DEG C, drying is completed；Sample is taken out, takes l0 microlitres of OTS molten with pipettor
Liquid is instilled in culture dish, but is not contacted with panel body 100a；Culture dish is simply sealed with tinfoil and PI glue band, it can not be complete
It shuts entirely, is placed again into baking oven, is heated 1 hour at 120 DEG C, it includes described for taking out obtain having hydrophobic surface after timing
The panel body 100a of protective layer 16.
Referring to Fig. 9, electrofluid jet printing appts can be used when the first lens 17a and the second lens 17b is arranged
20.The electrofluid jet printing appts 20 include microscope carrier 21, receiving portion 22, nozzle 23 and control system 24.The microscope carrier 21 is used for
Installation is set to the panel body 100a including at least one protective layer 16.The receiving portion 22 is for installing uncured institute
State the material of the first lens 17a.The nozzle 23 is connected to the receiving portion 22 and for spraying described uncured described the
The material of one lens 17a is in the surface of the protective layer 16.It includes at least one protection that the control system 24, which controls described,
The movement speed of panel body 100a of layer 16, nozzle 23 are at a distance from the protective layer 16, bias voltage, voltage magnitude, frequency
Rate, voltage waveform and duty ratio.The control system 24 may include computer control module 24a, air pressure control module 24b
With voltage control module 24c.
Referring to Fig. 10, the electrofluid jet printing appts 20 can use ponding chemistry institute when making the first lens 17a
The electrofluid ink-jet ink of production, the electrofluid ink-jet ink can be one of acryl resin and epoxy resin or two
The combination of kind, or other materials.The electrofluid ink-jet ink for making the first lens 17a can be denoted as the first electric current
Body ink-jet ink.The transparency of the first electrofluid ink-jet ink can be 90%.The viscosity of the electrofluid ink-jet ink
It can be with 150cP.The surface tension of the electrofluid ink-jet ink can be 45mN/m.Extremely by the first electrofluid ink-jet ink
In the receiving portion 22, the panel body 100a with an at least protective layer 16 is set to the electrofluid jet printing appts 20
Microscope carrier 21 on.The nozzle 23 for making the first lens 17a can be denoted as first jet 23.The diameter of the first jet 23
It is 10 μm -60 μm.The movement speed at least panel body 100a of a protective layer 16 that the microscope carrier 21 carries can be
0.2mm/s-0.8mm/s.Height of the first jet 23 apart from the protective layer 16 is 15-150mm.The electrofluid spray printing
Device 20 uses alternating current.The bias voltage of the electrofluid jet printing appts 20 can be 500V-800V.The electrofluid spray
The voltage magnitude that printing equipment sets 20 can be 200V-400V.The frequency of the electrofluid jet printing appts 20 can be 50Hz-100Hz.
The waveform that the electrofluid jet printing appts 20 use is square wave.The duty ratio of the square wave is 5%-10%.It is being arranged described the
When one lens 17a, the electrofluid jet printing appts 20 generate the first electrofluid ink-jet ink at the first jet 23
Taylor cone can print the first lens 17a that diameter is 1 μm -100 μm on the protective layer 16.By the way that the load is arranged
The first lens 17a of orthogonal thereto arrangement or hexagonal array can be provided in the motion profile of platform 21 on the protective layer 16.
Finally, being solidified using ultraviolet curing equipment to the first lens 17a array.The curing time can be 15s.
Figure 11 is please referred to, when making the second lens 17b, the electrofluid jet printing appts 20 can use Mitsui Chemicals institute
The electrofluid ink-jet ink of production, the electrofluid ink-jet ink can be one of acryl resin and epoxy resin or two
The combination of kind, or other materials.The electrofluid ink-jet ink for making the second lens 17b can be denoted as the second electric current
Body ink-jet ink.The transparency of the second electrofluid ink-jet ink can be 90%.The viscosity of the electrofluid ink-jet ink
It can be with 15cP.The surface tension of the electrofluid ink-jet ink can be 35mN/m.Extremely by the second electrofluid ink-jet ink
In the receiving portion 22, the panel body 100a with an at least protective layer 16 is set to the electrofluid jet printing appts 20
Microscope carrier 21 on.The nozzle 23 for making the second lens 17b can be denoted as second nozzle 23.The diameter of the second nozzle 23
It is 20 μm -60 μm.Height of the second nozzle 23 apart from the protective layer 16 is 2-5mm.The electrofluid jet printing appts 20
Use direct current.The voltage of the electrofluid jet printing appts 20 can be 2000V-3000V.Second lens are being set
When 17b, the second electrofluid ink-jet ink is atomized by the electrofluid jet printing appts 20, thus in the first lens 17a
The second lens 17b that setting diameter is 100nm-700nm in the gap upper and the first lens 17a.Finally, using ultraviolet solid
Change equipment, the second lens 17b array is solidified.The curing time can be 15s.
In one embodiment, Figure 12 is please referred to, step 201 can be first carried out, is arranged on the panel body 100a
First protective layer 16a.Secondly step 202 is carried out, the second protective layer 16b is set on the first protective layer 16a.Then it carries out
Step 203, third protective layer 16c is set on the second protective layer 16b.Step 204 is then carried out, in third protective layer
Several first lens 17a are arranged far from the surface of the panel body 100a in 16c.Step 205 is finally carried out, described several the
Several second lens 17b are arranged in the surface of one lens 17a, to form display panel 100 as shown in Figure 1.
In one embodiment, Figure 13 is please referred to, step 301 can be first carried out, is arranged on the panel body 100a
First protective layer 16a.Secondly step 302 is carried out, the second protective layer 16b is set on the first protective layer 16a.Then it carries out
Step 303, several first lens 17a are set far from the surface of the panel body 100a in the second protective layer 16b.Then carry out
Step 304, several second lens 17b are set on the surface of several first lens 17a.Finally carry out step 305, setting one
The third protective layer 16c, it is saturating that the third protective layer 16c covers the second protective layer 16b, the first lens 17a and second
Mirror 17b, to form display panel 100 as shown in FIG. 6.
In one embodiment, Figure 14 is please referred to, step 401 can be first carried out, is arranged on the panel body 100a
First protective layer 16a.Secondly step 402 is carried out, if being arranged in the first protective layer 16a far from the surface of the panel body 100a
Dry first lens 17a.Then step 403 is carried out, several second lens 17b are set on the surface of several first lens 17a.
Step 404 is then carried out, the second protective layer 16b is set, the third protective layer 16c covers first protective layer
16a, the first lens 17a and the second lens 17b.Step 405 is finally carried out, third is set on the second protective layer 16b and is protected
Sheath 16c, to form display panel 100 as shown in Figure 7.
It include panel body using display panel 100 made by 100 production method of display panel provided herein
100a, several protective layers 16 and lens jacket 17, several protective layers 16 are cascadingly set on the panel body 100a,
The lens jacket 17 is located at the surface of any protective layer 16, and the lens jacket 17 includes several first lens 17a and several
Second lens 17b, the first lens 17a array arrangement is in any table of the protective layer 16 far from the panel body 100a
Face, the second lens 17b are set to the surface of the first lens 17a.By by several first lens 17a arrays
It is arranged in the light emission side of the display panel 100, meanwhile, the second lens 17b is set on the surface of the first lens 17a, with shape
At the structure for being similar to Compound Eye of Insects, it is effectively reduced total reflection of the light inside display panel 100, to improve light
Delivery efficiency, while improving the visual angle of display panel 100.
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the application that the above embodiments are only used to help understand.Meanwhile for the technology of this field
Personnel, according to the thought of the application, there will be changes on specific embodiment and application range, in conclusion this explanation
Book content should not be construed as the limitation to the application.
Claims (10)
1. a kind of display panel characterized by comprising
One panel body；
Several protective layers, several protective layers are cascadingly set in the panel body；And
One lens jacket, the lens jacket are located at the surface of any protective layer, and the lens jacket includes:
Several first lens, first lens array are arranged in any surface of the protective layer far from the panel body；
And
Several second lens, second lens are set to the surface of first lens.
2. display panel as described in claim 1, which is characterized in that the diameter of first lens is 1 micron -100 microns,
The diameter of second lens is 100 nanometers -700 nanometers.
3. display panel as described in claim 1, which is characterized in that first lens are that orthogonal arrangement or hexagon are arranged
Column.
4. display panel as described in claim 1, which is characterized in that the transparency of first lens and the second lens is greater than
90%, the refractive index of first lens and the second lens is greater than 1.45.
5. display panel according to any one of claims 1-4, which is characterized in that several protective layers include setting gradually
In the first protective layer, the second protective layer and third protective layer of the panel body, the lens jacket is set to the third and protects
Surface of the sheath far from the panel body.
6. display panel as claimed in claim 5, which is characterized in that have several first between several first lens
Gap, second lens are also provided in first gap and are located at the third protective layer far from the panel body
Surface.
7. display panel according to any one of claims 1-4, which is characterized in that several protective layers include setting gradually
In the first protective layer, the second protective layer and third protective layer of the panel body, the lens jacket is set to described second and protects
Surface of the sheath far from the panel body.
8. display panel as claimed in claim 7, which is characterized in that have several second between several first lens
Gap, second lens are also provided in second gap and are located at the secondth protective layer far from the panel master
The surface of body.
9. display panel according to any one of claims 1-4, which is characterized in that several protective layers include setting gradually
In the first protective layer, the second protective layer and third protective layer of the panel body, the lens jacket is set to described first and protects
Surface of the sheath far from the panel body.
10. display panel as claimed in claim 9, which is characterized in that have several the between several first lens
Three gaps, second lens are also provided in the third space and are located at first protective layer far from the panel master
The surface of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239665.0A CN110021648A (en) | 2019-03-27 | 2019-03-27 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239665.0A CN110021648A (en) | 2019-03-27 | 2019-03-27 | Display panel |
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| CN110021648A true CN110021648A (en) | 2019-07-16 |
Family
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| CN201910239665.0A Pending CN110021648A (en) | 2019-03-27 | 2019-03-27 | Display panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582570A (en) * | 2020-12-09 | 2021-03-30 | 武汉华星光电半导体显示技术有限公司 | Display module |
| WO2024060783A1 (en) * | 2022-09-21 | 2024-03-28 | Huawei Technologies Co., Ltd. | Organic electroluminescent device and organic electroluminescent display |
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| CN109524567A (en) * | 2018-11-30 | 2019-03-26 | 华南理工大学 | A method of light is prepared based on spraying process and takes out lenticule promotion Dual Implantations type light emitting diode light extraction efficiency |
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