CN206757181U - A kind of reflection device and display device - Google Patents
A kind of reflection device and display device Download PDFInfo
- Publication number
- CN206757181U CN206757181U CN201720669574.7U CN201720669574U CN206757181U CN 206757181 U CN206757181 U CN 206757181U CN 201720669574 U CN201720669574 U CN 201720669574U CN 206757181 U CN206757181 U CN 206757181U
- Authority
- CN
- China
- Prior art keywords
- light
- reflection device
- wave
- transformational structure
- length coverage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses a kind of reflection device and display device, due to adding the light transformational structure being arranged in resonator, the light transformational structure can improve the utilization rate of incident light, effectively using not by the wave-length coverage light for being shaken absorption repeatedly in resonator outside the setting wave-length coverage of resonance cavity reflection, the light of the non-setting wave-length coverage of this portions incident is converted into setting wave-length coverage light, so as to increase the ratio of the reflected light of reflection device, to improve the reflection efficiency of reflection device.
Description
Technical field
It the utility model is related to display technology field, more particularly to a kind of reflection device and display device.
Background technology
At present, a kind of existing reflection device is to utilize Fabry-Perot cavity as shown in Figure 1, has antireflection
Layer 103, thin metal absorption layer 101 and speculum 102；By adjusting the light path in cavity, it is possible to achieve the light of specific wavelength is anti-
Penetrate, other wavelength shake repeatedly in chamber in incident light is absorbed by thin metal absorption layer 101, and final energy exhausts, this reflection
Device light utilization efficiency is low.
Utility model content
In view of this, the utility model embodiment provides a kind of reflection device and display device, existing anti-to solve
The problem of emitter part light utilization efficiency is low.
Therefore, the utility model embodiment provides a kind of reflection device, including：The resonance of reflection setting wave-length coverage light
Chamber, the light transformational structure being arranged in the resonator, the smooth transformational structure are used for the non-setting wavelength model of incidence
The light enclosed is converted to the setting wave-length coverage light.
It is described humorous in the above-mentioned reflection device that the utility model embodiment provides in a kind of possible implementation
The chamber that shakes specifically includes：The thin metal absorption layer of cavity side is arranged at, and is arranged at the speculum of cavity opposite side；It is described thin
There is the light path matched with the setting wave-length coverage light, filled with Jie in the light path between metal absorption layer and speculum
Matter, the smooth transformational structure are arranged in the medium.
It is described humorous in the above-mentioned reflection device that the utility model embodiment provides in a kind of possible implementation
The chamber that shakes also includes：The thin metal absorption layer is arranged at towards the anti-reflective film of light emission side.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, given an account of
Matter includes air, one of inorganic thin film and organic film or combination.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, the light
Scope of the thickness of transformational structure between 0~N nm；Wherein, N=(centre wavelength/2 of the setting wave-length coverage)/light turns
Change the Refractive Index of Material of structure.
It is described to set in the above-mentioned reflection device that the utility model embodiment provides in a kind of possible implementation
Wavelength range light is monochromatic light.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, the list
Coloured light is the low frequency light in visible light wave range, and the smooth transformational structure includes being used for high frequency light and intermediate frequency it will be seen that in optical band
Light is converted to the lower transition material of the low frequency light.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, the list
Coloured light is the high frequency light in visible light wave range, and the smooth transformational structure includes being used for low frequency light and intermediate frequency it will be seen that in optical band
Light is converted to the up-conversion of the high frequency light.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, the list
Coloured light is the intermediate frequency light in visible light wave range, and the smooth transformational structure includes being used for it will be seen that the low frequency light in optical band is converted to
The up-conversion of the intermediate frequency light, and/or the high frequency light for will be seen that in optical band are converted to lower turn of the intermediate frequency light
Conversion materials.
In a kind of possible implementation, in the above-mentioned reflection device that the utility model embodiment provides, under described
Transition material includes：One of phosphor and luminous organic material or combination.
In a kind of possible implementation, the utility model embodiment provide above-mentioned reflection device in, it is described on
Transition material includes：The inorganic compound of doping with rare-earth ions.
On the other hand, the utility model embodiment additionally provides a kind of display device, including multiple pixel cells, each picture
Plain unit includes the above-mentioned reflection device that multiple the utility model embodiments provide, and belongs to each reflection of same pixel cell
The wave-length coverage of device reflected light is different.
The beneficial effect of the utility model embodiment includes：
A kind of reflection device and display device that the utility model embodiment provides, are arranged in resonator due to adding
Light transformational structure, the light transformational structure can improve the utilization rate of incident light, effectively using not by the setting of resonance cavity reflection
The wave-length coverage light for being shaken absorption repeatedly in resonator outside wave-length coverage, by the non-setting wavelength model of this portions incident
The light enclosed is converted to setting wave-length coverage light, so as to increase the ratio of the reflected light of reflection device, to improve the anti-of reflection device
Penetrate efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of reflection device of the prior art；
Fig. 2 is the structural representation for the reflection device that the utility model embodiment provides；
Fig. 3 a and Fig. 3 b are respectively the concrete structure schematic diagram for the reflection device that the utility model embodiment provides；
Fig. 4 is the structural representation for the display device that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawings, the reflection device and the embodiment of display device provided the utility model embodiment
It is described in detail.
The shapes and sizes of each part do not reflect the actual proportions of reflection device in accompanying drawing, and purpose is schematically illustrate reality
With new content.
The utility model embodiment provides a kind of reflection device, as shown in Fig. 2 including：Reflection setting wave-length coverage light
Resonator 100, the light transformational structure 200 being arranged in resonator 100, light transformational structure 200 be used for by incidence non-setting
The light of wave-length coverage is converted to setting wave-length coverage light.
Specifically, in the above-mentioned reflection device that the utility model embodiment provides, resonator is arranged at due to adding
Light transformational structure 200 in 100, the light transformational structure 200 can improve the utilization rate of incident light, effectively using not by resonator
The wave-length coverage light for being shaken absorption repeatedly in resonator 100 outside the setting wave-length coverage of 100 reflections, this part is entered
The light for the non-setting wave-length coverage penetrated is converted to setting wave-length coverage light, so as to increase the ratio of the reflected light of reflection device, with
Improve the reflection efficiency of reflection device.
In the specific implementation, the resonator 100 in the above-mentioned reflection device that the utility model embodiment provides can be adopted
Structure is realized with a variety of, such as Fabry-Perot cavity 100 can be used.
Specifically, in the above-mentioned reflection device that the utility model embodiment provides, no matter the resonance using which kind of structure
Chamber 100, as shown in Figure 3 a and Figure 3 b shows, resonator 100 generally require including：The thin metal absorption layer 110 of cavity side is arranged at,
And it is arranged at the speculum 120 of cavity opposite side；Have between thin metal absorption layer 110 and speculum 120 with setting wavelength
The light path a of scope light matching, is filled with medium 130, light transformational structure 200 is arranged in medium 130 in light path a.
Specifically, in the above-mentioned reflection device that the utility model embodiment provides, the medium 130 filled in light path a
Air, one of inorganic thin film and organic film or combination can be included, such as air can be only filled with as medium 130, also may be used
Using fill part inorganic thin film and partial air as medium 130, do not limit herein.When only with air as medium 130
When, for the ease of making reflection device, in the specific implementation, as shown in Figure 3 a, light transformational structure 200 can be arranged at Bao Jin
Belong to absorbed layer 110 towards the surface of speculum 120；Or light transformational structure 200 can also be arranged at instead as shown in Figure 3 b
Mirror 120 is penetrated towards the surface of thin metal absorption layer 110, is not limited herein.When using part or all of inorganic thin film and organic
When film is as medium 130, in the specific implementation, it can need light transformational structure 200 being arranged at thin metal suction according to making
Between receiving any two layers of film layer between layer 110 and speculum 120, do not limit herein.
Specifically, in the above-mentioned reflection device that the utility model embodiment provides, in thin metal absorption layer 110 and reflection
The size and setting wave-length coverage light, the material of medium 130 for the light path a having between mirror 120 are relevant with thickness, specifically relation
For：A=(n1*d1+n2*d2 ...) * sets centre wavelength/2 of wave-length coverage；Wherein d1, d2 ... are each film layer of medium 130
Thickness, n1, n2 ... are the refractive index of each film layer of medium 130.
Also, specifically, in the above-mentioned reflection device that the utility model embodiment provides, the thickness of light transformational structure 200
Degree is relevant with the material of setting wave-length coverage and light transformational structure, and specifically relation is：The thickness of light transformational structure 200 is in 0~N
Scope between nm；Wherein, the Refractive Index of Material of N=(centre wavelength/2 of setting wave-length coverage)/light transformational structure 200.
In the specific implementation, in the above-mentioned reflection device that the utility model embodiment provides, inhaled to improve thin metal
The light reflection efficiency at layer 110 is received, as shown in Figure 3 a and Figure 3 b shows, resonator 100 can also include：It is arranged at thin metal absorption layer
110 towards light emission side anti-reflective film 140, enter light path between thin metal absorption layer 110 and speculum 120 to improve incident light
A ratio, the ratio for avoiding thin metal absorption layer 110 from directly reflecting incident light towards the surface of light emission side, so as to by carrying
The utilization rate of high incident light improves light reflectivity.
In the specific implementation, the setting wave-length coverage that the above-mentioned reflection device that the utility model embodiment provides can reflect
Light is generally monochromatic light, also, the monochromatic light is normally in visible-range, i.e. the wave-length coverage of reflection device reflection is only covered
The wave band of lid solid color, so that reflection device can be applied to show as monochrome light emitters or illuminate, the monochromatic light
Infrared band can also be located at, so that reflection device is applied to sensor.Certain basis in the specific implementation, which is actually needed, also may be used
To be arranged to the wave band that the wave-length coverage of reflection device reflection covers multiple colors, do not limit herein.
Also, in the specific implementation, in the above-mentioned reflection device that the utility model embodiment provides, in order to realize
Light transformational structure 200 is converted to the light of the non-setting wave-length coverage of incidence the effect of setting wave-length coverage light, to improve light profit
With rate.The material that light transformational structure 200 selects is relevant with the setting wave-length coverage reflected.Here is the ripple reflected with reflection device
Long scope corresponds to the specific selection for illustrating light transformational structure 200 exemplified by only covering the wave band of solid color.
In the specific implementation, in the above-mentioned reflection device that the utility model embodiment provides, when reflection device needs instead
When the monochromatic light penetrated is the low frequency light in visible light wave range, light transformational structure 200 is generally comprised for will be seen that in optical band
High frequency light and intermediate frequency light are converted to the lower transition material of low frequency light.Specifically, lower transition material can include：Phosphor
Such as can be quanta point material and fluorescent material etc. with one of luminous organic material or combination.Wherein luminous organic material can
It can also not limited herein for organic high molecular polymer luminescent material with organic molecule luminescent material.Also, when selection
When a variety of lower transition materials are as light transformational structure 200, each material point film layer can be set, and each film layer can be with adjacent
To be arranged at intervals, each material can also be blended in same film layer, do not limited herein.
For example, when reflection device needs to reflect feux rouges, the material of light transformational structure 200 is for blue light and green glow to be changed
For the lower transition material of feux rouges.Specifically, lower transition material can select the emitting red lights such as red quantum dot, red fluorescence material
Material, do not limit herein.
In the specific implementation, in the above-mentioned reflection device that the utility model embodiment provides, when reflection device needs instead
When the monochromatic light penetrated is the high frequency light in visible light wave range, light transformational structure 200 is generally comprised for will be seen that in optical band
Low frequency light and intermediate frequency light are converted to the up-conversion of high frequency light.Specifically, up-conversion can include：Doping with rare-earth ions
Inorganic compound.For example, according to the high frequency light of required conversion, can be in fluoride, oxide, sulfur-containing compound, fluorine oxidation
One or more rare earth ions of doping respective concentration and ratio in the inorganic compounds such as thing, halide.Such as mesh can be selected
Preceding up-conversion luminescence efficiency highest NaYF4 adulterates Yb as host material:Tm:Er=18~60:0~0.2:0~2.Also,
When selecting a variety of up-conversions as light transformational structure 200, each material point film layer can be set, and each film layer can phase
Neighbour can also be arranged at intervals, and each material can also be blended in into same film layer, do not limited herein.
For example, when reflection device needs to reflect blue light, the material of light transformational structure 200 is for feux rouges and green glow to be changed
For the up-conversion of blue light.Specifically, up-conversion can select host material i.e. inorganic compound as NaYF4, doping
Yb:Tm:Er=20:0.2:0~0.5 material.
In the specific implementation, in the above-mentioned reflection device that the utility model embodiment provides, when reflection device needs instead
When the monochromatic light penetrated is the intermediate frequency light in visible light wave range, light transformational structure 200 is generally comprised for will be seen that in optical band
Low frequency light is converted to the up-conversion of intermediate frequency light, and/or the high frequency light for will be seen that in optical band is converted to intermediate frequency light
Lower transition material.Also, in order to improve light utilization efficiency to greatest extent, light transformational structure 200 is preferably needed simultaneously including upper
Transition material and lower transition material.Specifically, lower transition material can include：One of phosphor and luminous organic material
Or combination, such as can be quanta point material and fluorescent material etc..Wherein luminous organic material can be lighted material with organic molecule
Material can also be organic high molecular polymer luminescent material, not limit herein.Specifically, up-conversion can include：Mix
The inorganic compound of miscellaneous rare earth ion.For example, according to the high frequency light of required conversion, can be in fluoride, oxide, sulfur-bearing chemical combination
One or more rare earth ions of doping respective concentration and ratio in the inorganic compounds such as thing, oxyfluoride, halide.Such as can
To select current up-conversion luminescence efficiency highest NaYF4 to adulterate Yb as host material:Tm:Er=18~60:0~0.2:0~
2.Also, when selecting a variety of up-conversions as light transformational structure 200, each material point film layer can be set, and each film
Layer be able to can also be arranged at intervals with adjacent, each material can also be blended in into same film layer, do not limited herein.
For example, when reflection device needs to reflect green glow, the material of light transformational structure 200 can include being used for feux rouges simultaneously
Be converted to the up-conversion of green glow and the lower transition material for converting blue light into green glow.Specifically, lower transition material can
To select the green luminous organic material such as green quantum dot, green fluorescent material, do not limit herein.Specifically, upper conversion material
Material can select host material i.e. inorganic compound as NaYF4, adulterate Yb:Tm:Er=18~25:0:2 material.
Conceived based on same utility model, the utility model embodiment additionally provides a kind of display device, the display device
Can be：Mobile phone, tablet personal computer, television set, display, notebook computer, DPF, navigator etc. are any to have display work(
The product or part of energy.The implementation of the display device may refer to the embodiment of above-mentioned reflection device, repeats part and repeats no more.
Specifically, a kind of display device that the utility model embodiment provides, as shown in figure 4, including multiple pixel cells
01, each pixel cell 01 includes the above-mentioned reflection device 02 that multiple the utility model embodiments provide and is used as sub-pixel unit,
And the wave-length coverage for belonging to the reflected light of each reflection device 02 of same pixel cell 01 is different.For example, as shown in figure 4, it can select
The reflection device for selecting reflection feux rouges R reflection device, reflection green glow G reflection device and reflection blue light B forms a pixel cell.
Due to being filled using the above-mentioned reflection device that the higher the utility model embodiment of reflection efficiency provides as sub-pix grou into display
Put, therefore preferably can carry out reflection-type using ambient light and show, ensure preferable reflectivity.
The above-mentioned reflection device and display device that the utility model embodiment provides, are arranged in resonator due to adding
Light transformational structure, the light transformational structure can improve the utilization rate of incident light, effectively using not by the setting of resonance cavity reflection
The wave-length coverage light for being shaken absorption repeatedly in resonator outside wave-length coverage, by the non-setting wavelength model of this portions incident
The light enclosed is converted to setting wave-length coverage light, so as to increase the ratio of the reflected light of reflection device, to improve the anti-of reflection device
Penetrate efficiency.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (12)
- A kind of 1. reflection device, it is characterised in that including：The resonator of reflection setting wave-length coverage light, is arranged at the resonance The light transformational structure of intracavitary, the smooth transformational structure are used to the light of the non-setting wave-length coverage of incidence being converted to described set Wavelength range light.
- 2. reflection device as claimed in claim 1, it is characterised in that the resonator specifically includes：It is arranged at cavity side Thin metal absorption layer, and be arranged at the speculum of cavity opposite side；Have between the thin metal absorption layer and speculum The light path matched with the setting wave-length coverage light, is filled with medium, the smooth transformational structure is arranged at institute in the light path Give an account of in matter.
- 3. reflection device as claimed in claim 2, it is characterised in that the resonator also includes：It is arranged at the thin metal Anti-reflective film of the absorbed layer towards light emission side.
- 4. reflection device as claimed in claim 2, it is characterised in that the medium includes air, inorganic thin film and organic thin One of film or combination.
- 5. reflection device as claimed in claim 1, it is characterised in that the thickness of the smooth transformational structure is between 0~N nm Scope；Wherein, the Refractive Index of Material of N=(centre wavelength/2 of the setting wave-length coverage)/light transformational structure.
- 6. reflection device as claimed in claim 1, it is characterised in that the wave-length coverage light that sets is monochromatic light.
- 7. reflection device as claimed in claim 6, it is characterised in that the monochromatic light is the low frequency light in visible light wave range, The smooth transformational structure includes being used for it will be seen that high frequency light and intermediate frequency light in optical band are converted to the lower conversion of the low frequency light Material.
- 8. reflection device as claimed in claim 6, it is characterised in that the monochromatic light is the high frequency light in visible light wave range, The smooth transformational structure includes being used for it will be seen that low frequency light and intermediate frequency light in optical band are converted to the upper conversion of the high frequency light Material.
- 9. reflection device as claimed in claim 6, it is characterised in that the monochromatic light is the intermediate frequency light in visible light wave range, The smooth transformational structure includes being used for it will be seen that the low frequency light in optical band is converted to the up-conversion of the intermediate frequency light, and/ Or the high frequency light for will be seen that in optical band is converted to the lower transition material of the intermediate frequency light.
- 10. the reflection device as described in claim 7 or 9, it is characterised in that the lower transition material includes：Inorganic light-emitting material One of material and luminous organic material or combination.
- 11. reflection device as claimed in claim 8 or 9, it is characterised in that the up-conversion includes：It is rare earth doped from The inorganic compound of son.
- 12. a kind of display device, it is characterised in that including multiple pixel cells, each pixel cell includes multiple as right will The reflection device described in any one of 1-11 is sought, belongs to the wave-length coverage of each reflection device reflected light of same pixel cell not Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669574.7U CN206757181U (en) | 2017-06-09 | 2017-06-09 | A kind of reflection device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669574.7U CN206757181U (en) | 2017-06-09 | 2017-06-09 | A kind of reflection device and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757181U true CN206757181U (en) | 2017-12-15 |
Family
ID=60622160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720669574.7U Active CN206757181U (en) | 2017-06-09 | 2017-06-09 | A kind of reflection device and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206757181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223655A1 (en) * | 2017-06-09 | 2018-12-13 | 京东方科技集团股份有限公司 | Reflection component and display device |
| WO2019196563A1 (en) * | 2018-04-08 | 2019-10-17 | 京东方科技集团股份有限公司 | Optical resonant cavity and display panel |
| CN111240096A (en) * | 2020-03-13 | 2020-06-05 | Tcl华星光电技术有限公司 | Backlight module and display device with same |
| WO2020220792A1 (en) * | 2019-04-30 | 2020-11-05 | 京东方科技集团股份有限公司 | Display panel and manufacturing method for display panel |
-
2017
- 2017-06-09 CN CN201720669574.7U patent/CN206757181U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223655A1 (en) * | 2017-06-09 | 2018-12-13 | 京东方科技集团股份有限公司 | Reflection component and display device |
| CN109031649A (en) * | 2017-06-09 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of reflection device and display device |
| US11579345B2 (en) | 2017-06-09 | 2023-02-14 | Boe Technology Group Co., Ltd. | Reflective device and display apparatus |
| WO2019196563A1 (en) * | 2018-04-08 | 2019-10-17 | 京东方科技集团股份有限公司 | Optical resonant cavity and display panel |
| CN110346859A (en) * | 2018-04-08 | 2019-10-18 | 京东方科技集团股份有限公司 | Optical resonator, display panel |
| US10965086B2 (en) | 2018-04-08 | 2021-03-30 | Boe Technology Group Co., Ltd. | Optical resonant cavity and display panel |
| JP2021517263A (en) * | 2018-04-08 | 2021-07-15 | 京東方科技集團股▲ふん▼有限公司Ｂｏｅ Ｔｅｃｈｎｏｌｏｇｙ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． | Optical resonator, display panel |
| CN110346859B (en) * | 2018-04-08 | 2023-05-16 | 京东方科技集团股份有限公司 | Optical resonant cavity and display panel |
| JP7315557B2 (en) | 2018-04-08 | 2023-07-26 | 京東方科技集團股▲ふん▼有限公司 | optical resonator, display panel |
| WO2020220792A1 (en) * | 2019-04-30 | 2020-11-05 | 京东方科技集团股份有限公司 | Display panel and manufacturing method for display panel |
| CN111240096A (en) * | 2020-03-13 | 2020-06-05 | Tcl华星光电技术有限公司 | Backlight module and display device with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106409876B (en) | A kind of display device | |
| CN206757181U (en) | A kind of reflection device and display device | |
| CN101040397B (en) | Electroluminescent light source | |
| CN109920833B (en) | Array substrate, preparation method thereof, display panel and display device | |
| JP5406301B2 (en) | Organic electroluminescence display device | |
| WO2018157527A1 (en) | Backlight module and liquid crystal display | |
| US20230255084A1 (en) | Organic light-emitting diode display substrate and display device | |
| CN107424524A (en) | A kind of miniature LED display panel | |
| CN107167962A (en) | A kind of LED/light source, backlight module and display device | |
| CN104728779A (en) | Light emitting film layer structure and backlight module | |
| WO2017206221A1 (en) | Backlight module | |
| CN109031649A (en) | A kind of reflection device and display device | |
| CN101154699A (en) | Illuminating device and surface lighting source device and flat display device with the same | |
| US20180246377A1 (en) | Backlight module and liquid crystal display | |
| CN209045557U (en) | A kind of display panel and display device | |
| TWI547208B (en) | Organic electroluminescent apparatus | |
| CN108336119B (en) | Pixel unit, pixel structure and display panel | |
| CN104752618A (en) | Light-emitting display device and preparation method thereof | |
| CN107240647A (en) | A kind of organic light emitting diode device, light fixture | |
| CN109426046A (en) | Display device and display device | |
| CN104683775B (en) | Blue light synthetic method and system | |
| CN103531721A (en) | Tandem organic light emitting diode device and display device | |
| CN110137371A (en) | Display panel and display device | |
| JP2007258486A (en) | White light emitting diode | |
| CN108987604A (en) | A kind of glow organic electroluminescent device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |