CN106229418B - A kind of electro-luminescence display device and display device - Google Patents
A kind of electro-luminescence display device and display device Download PDFInfo
- Publication number
- CN106229418B CN106229418B CN201610716458.6A CN201610716458A CN106229418B CN 106229418 B CN106229418 B CN 106229418B CN 201610716458 A CN201610716458 A CN 201610716458A CN 106229418 B CN106229418 B CN 106229418B
- Authority
- CN
- China
- Prior art keywords
- display device
- sub
- light
- pixel unit
- layer
- 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
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of electro-luminescence display device, multiple pixel units are provided with the display device, each pixel unit includes multiple sub-pixel units, wherein, the display device includes：Array base palte；The EL structure being arranged on the array base palte；The EL structure includes light emitting functional layer, and the material of the light emitting functional layer is the quanta point material of emitting ultraviolet light；The color converting layer being arranged on the EL structure, the color converting layer includes multiple quantum dot regions, each quantum dot region corresponds to a sub-pixel unit, and the quantum dot region launches the light of corresponding sub-pixel unit color after the light excitation for being subject to the EL structure to send；The ultraviolet photoresist layer being arranged on the color converting layer.The invention also discloses the display device for including electro-luminescence display device as described above.
Description
Technical field
The present invention relates to technical field of flat panel display, especially a kind of electro-luminescence display device and display device.
Background technology
Light emitting diode with quantum dots (QLED) display device is because with colour gamut is wide, the high and low power consumption of excitation purity, low cost, steady
It is qualitative good, it is known as after OLED (Organic Light Emitting Display, organic elctroluminescent device)
Lighting display technology of new generation.
Quantum dot (Quantum Dots, QDs), but can claim it is nanocrystalline, be one kind by II-VI group or iii-v element
The nano particle of composition.The particle diameter of quantum dot is typically in the range of between 1~20nm, since electronics and hole are by quantum confinement, continuously
Band structure become the discrete energy level structure with molecular characterization, fluorescence can be launched after being excited.The emission spectrum of quantum dot
It can be controlled by varying the size of quantum dot, by varying the size and its chemical composition of quantum dot can make it
Emission spectrum covers whole visible region.
The fluorescence intensity and stability of quantum dot are all fine, at present, can be by quantum dot using the characteristics of luminescence of quantum dot
As molecular probe it is applied to fluorescent marker, can also be applied in display device, the backlight module as liquid crystal display
Light emitting source.The quanta point material being applied in liquid crystal display is mainly blue light quantum point material, is excited being subject to blue LED lamp
The light sent afterwards forms white light with blue light colour mixture, it can improve picture quality with larger colour gamut.
At present, quanta point material of the blue light quantum point material as luminescence generated by light, its performance is more stable, and luminescence generated by light does not have
There is the problem of service life aspect, the quantum dot TV of luminescence generated by light has been commercialized.But blue light quantum point material is as electroluminescent hair
The quanta point material of light, its poor-performing, so that the service life of the blue light QLED devices prepared is shorter (about thousands of hours), much
It is unable to reach the requirement for preparing QLED full-color displays.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of electro-luminescence display device and display device, uses
To improve the display performance of QLED display devices and gamut range.
In order to achieve the above object, present invention employs following technical solution：
A kind of electro-luminescence display device, is provided with multiple pixel units in the display device, each pixel list
Member is respectively provided with the sub-pixel unit of multiple display different colours, wherein, the display device includes：
Array base palte；
It is arranged on the array base palte and positioned at the EL structure of each sub-pixel unit；The electroluminescent
Structure includes first electrode, hole transport functional layer, light emitting functional layer, the electric transmission being successively set on the array base palte
Functional layer and second electrode, the material of the light emitting functional layer are the quanta point material of emitting ultraviolet light；
The color converting layer being arranged on the EL structure, the color converting layer include multiple quantum dot regions, often
One quantum dot region corresponds to a sub-pixel unit, and the quantum dot region is sent being subject to the EL structure
Light excitation after launch the light of corresponding sub-pixel unit color；
The ultraviolet photoresist layer being arranged on the color converting layer.
Preferably, the ultraviolet photoresist layer includes the first barrier layer and second being successively set on the color converting layer
Barrier layer.
Preferably, the material on first barrier layer is inorganic nano material, and the material on second barrier layer is organic
Material.
Preferably, the inorganic nano material is TiO2Or ZnO nano material, the organic material are polyvinyl alcohol.
Preferably, the quanta point material of the emitting ultraviolet light is graphene quantum dot material.
Preferably, the material of the first electrode is transparent conductive oxide, and the material of the second electrode is metal.
Preferably, each pixel unit includes red sub-pixel unit, green sub-pixels unit and blue subpixels
Unit, the color converting layer include the red light quantum point region corresponding to the red sub-pixel unit, corresponding to the green
The green light quantum point region of sub-pixel unit and the blue light quantum point region corresponding to the blue subpixels unit.
Preferably, each pixel unit further includes yellow sub-pixel unit, and the color converting layer, which further includes, to be corresponded to
The gold-tinted quantum dot region of the yellow sub-pixel unit.
Preferably, each pixel unit further includes white sub-pixels unit, and the color converting layer, which further includes, to be corresponded to
The white light quanta point region of the white sub-pixels unit.
Present invention also offers a kind of display device, it includes drive module and electroluminescent display as described above
Part, the drive module provides drive signal to the electro-luminescence display device, so that the electro-luminescence display device is shown
Show picture.
Beneficial effect：
A kind of electro-luminescence display device provided in an embodiment of the present invention and display device, the hair in each sub-pixel unit
The material of light functional layer uses the quanta point material of emitting ultraviolet light, and ultraviolet light quanta point material can send the purple of efficient stable
Outer light, it has the characteristics that to stablize as electroluminescent material and long lifespan.Corresponding color is provided with each sub-pixel unit
Quantum dot region, the quantum dot region launches corresponding sub-pixel after the light excitation that EL structure sends is subject to
The light of cell colors, since quantum dot emission spectrum is narrow and luminous efficiency is high, it is possible to increase form each height of pixel unit
The excitation purity of pixel unit, so as to improve the display quality of display device.Also, since the quanta particle in quantum dot region can
To scatter the light that EL structure is sent, the light transmittance of Color Conversion can be improved, so as to improve the luminous effect of display device
Rate.Further, ultraviolet photoresist layer is additionally provided with the display device, can effectively absorbs ultraviolet light, prevent ultraviolet light
Transmit, improve the display quality of display device.
Brief description of the drawings
Fig. 1 is the structure diagram of electro-luminescence display device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of display device provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
What the embodiments of the present invention of attached drawing description were merely exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show the structure and/or processing step closely related with scheme according to the present invention, and eliminate little with relation of the present invention
Other details.
The embodiment of the present invention provide firstly a kind of electro-luminescence display device, as shown in Figure 1, the light-emitting display device
Including array base palte 1 and the multiple pixel units 2 being arranged on array base palte 1, (Fig. 1 only embodiments are shown in which a picture
Plain unit 2), each pixel unit 2 is respectively provided with the sub-pixel unit of multiple display different colours, specific to the present embodiment
In, each pixel unit 2 include red sub-pixel unit 21, green sub-pixels unit 22, blue subpixels unit 23 with
And yellow sub-pixel unit 24.
Specifically, on the array base palte 1, it is respectively arranged with corresponding to each sub-pixel unit 21,22,23,24
EL structure 3.Specifically, as shown in Figure 1, the EL structure 3 includes being successively set on the array base palte 1
First electrode 31, hole transport functional layer 32, light emitting functional layer 33, electric transmission functional layer 34 and second electrode 35, institute
The material for stating light emitting functional layer 33 is the quanta point material of emitting ultraviolet light.Wherein, first electrode 31 is generally anode, Ke Yiwei
Ito thin film (Indium Tin Oxides, tin indium oxide), generally transparency electrode, second electrode 35 are generally cathode, can be with
For metal layer, according to the difference of 02 light direction of EL structure, metal layer can be it is translucent or opaque, certainly,
In the deformation of some other structure, first electrode can be cathode, and second electrode can be anode.Wherein, hole transport work(
Ergosphere (Hole Transport Layer, HTL) 32, light emitting functional layer (Emissive Layer, EML) 34, electric transmission work(
In ergosphere (Electron Transport Layer, ETL) 35, each functional layer can be more than one layer, or one layer, such as
Hole transport functional layer, can be subdivided into hole injection layer and hole transmission layer sometimes；Electric transmission functional layer, can be subdivided into
Electron transfer layer and electron injecting layer, but its function is close, therefore it is referred to as hole transport functional layer and electric transmission functional layer.Respectively
The material of light emitting functional layer in a sub-pixel unit uses the quanta point material of emitting ultraviolet light, ultraviolet light quanta point material energy
The ultraviolet light of efficient stable is enough sent, it has the characteristics that to stablize as electroluminescent material and long lifespan.In the present embodiment,
The quanta point material selected as graphene quantum dot material of the emitting ultraviolet light.
Specifically, color converting layer 4 is provided with the EL structure 3, the color converting layer 4 includes multiple quantum dots
Region, each quantum dot region correspond to a sub-pixel unit, and the quantum dot region is being subject to the electroluminescent
Launch the light of corresponding sub-pixel unit color after the light excitation that structure 3 is sent.Specific in the present embodiment, as shown in Figure 1,
Due to each pixel unit 2 include red sub-pixel unit 21, green sub-pixels unit 22, blue subpixels unit 23 with
And yellow sub-pixel unit 24, therefore, the color converting layer 4 includes the red quantum corresponding to the red sub-pixel unit 21
Point region R, corresponding to the green light quantum point region G of the green sub-pixels unit 22, corresponding to the blue subpixels unit
The 23 blue light quantum point region B and gold-tinted quantum dot region Y corresponding to the yellow sub-pixel unit 24.Red light quantum point
Include red light quantum point material in the R of region, it launches feux rouges after being subject to the light excitation that the EL structure 3 is sent；It is green
Include green light quantum point material in the G of light quanta point region, it launches after being subject to the light excitation that the EL structure 3 is sent
Green light；Include blue light quantum point material in the B of blue light quantum point region, its light for being subject to the EL structure 3 to send swashs
Launch blue light after hair；Include gold-tinted quantum dot material in the Y of gold-tinted quantum dot region, it is subject to the EL structure 3 to send out
Launch yellow light after the light excitation gone out.The corresponding each sub-pixel difference quantum dot region of color converting layer 4, due to quantum dot emission light
It is high to compose narrow and luminous efficiency, it is possible to increase the excitation purity of each sub-pixel unit of pixel unit is formed, so as to improve display
The display quality of device.Further, in the present embodiment, tetra- sub-pixel structures of RGBY, it is possible to achieve ultra-wide colour gamut is shown, is made
It is standby go out full-color QLED displays.
It should be noted that in some other embodiments, each pixel unit 2 can also only include red
Sub-pixel unit 21, green sub-pixels unit 22, blue subpixels unit 23, at this time, the color converting layer 4 then include corresponding to
Red light quantum point region R, the green light quantum point corresponding to the green sub-pixels unit 22 of the red sub-pixel unit 21
The region G and blue light quantum point region B corresponding to the blue subpixels unit 23.It is also possible that each pixel list
Member 2 includes red sub-pixel unit 21, green sub-pixels unit 22, blue subpixels unit 23 and white sub-pixels unit,
At this time, the color converting layer 4 then includes the red light quantum point region R corresponding to the red sub-pixel unit 21, corresponding to institute
State the green light quantum point region G of green sub-pixels unit 22, the blue light quantum point area corresponding to the blue subpixels unit 23
Domain B and the white light quanta point region corresponding to the white sub-pixels unit.
Further, as shown in Figure 1, the color converting layer 4 is also disposed with ultraviolet photoresist layer 5 and cover-plate glass 6.
Ultraviolet photoresist layer 5 can effectively absorb from color converting layer 4 transmit ultraviolet light, prevent ultraviolet light transmission to display it
Outside, the display quality of display device is improved.Cover-plate glass 6 is mainly for the protection of each several part knot in electro-luminescence display device
Structure.
In the present embodiment, as shown in Figure 1, the ultraviolet photoresist layer 5 includes being successively set on the color converting layer 4
The first barrier layer 51 and the second barrier layer 52.Wherein, the material selection on first barrier layer 51 is inorganic nano material, institute
The material for stating the second barrier layer 52 is organic material.The material on first barrier layer 51 is preferably TiO2Or ZnO nano material,
It can play the role of scattering, block ultraviolet and carry out light extraction to visible ray, can improve the utilization rate of ultraviolet light
With the light extraction efficiency of display.The material on second barrier layer 52 is preferably using polyvinyl alcohol (PVA) composite material.
The present embodiment additionally provides a kind of display device, as shown in Fig. 2, the display device include drive module 100 with
And electro-luminescence display device 200, the drive module 100 provide drive signal to the electro-luminescence display device 200, with
Make 200 display picture of electro-luminescence display device.Wherein, the electro-luminescence display device 200 is implemented using the present invention
The electro-luminescence display device that example is provided.
In conclusion a kind of electro-luminescence display device provided in an embodiment of the present invention and display device, each sub-pixel
The material of light emitting functional layer in unit uses the quanta point material of emitting ultraviolet light, and ultraviolet light quanta point material can send height
Stable ultraviolet light is imitated, it has the characteristics that to stablize as electroluminescent material and long lifespan.Set on each sub-pixel unit
There is the quantum dot region of corresponding color, quantum dot region transmitting institute after the light excitation for being subject to EL structure to send is right
The light for the sub-pixel unit color answered, since quantum dot emission spectrum is narrow and luminous efficiency is high, it is possible to increase composition pixel list
The excitation purity of each sub-pixel unit of member, so as to improve the display quality of display device.Also, due in quantum dot region
Quanta particle can scatter the light that EL structure is sent, and can improve the light transmittance of Color Conversion, so as to improve display
The luminous efficiency of part.Further, ultraviolet photoresist layer is additionally provided with the display device, can effectively absorbs ultraviolet light,
Prevent ultraviolet light transmission from coming out, improve the display quality of display device.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
The above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of electro-luminescence display device, multiple pixel units are provided with the display device, each pixel unit
It is respectively provided with the sub-pixel unit of multiple display different colours, it is characterised in that the display device includes：
Array base palte；
It is arranged on the array base palte and positioned at the EL structure of each sub-pixel unit；The EL structure
Including first electrode, hole transport functional layer, light emitting functional layer, the electric transmission function being successively set on the array base palte
Layer and second electrode, the material of the light emitting functional layer are the quanta point material of emitting ultraviolet light；
The color converting layer being arranged on the EL structure, the color converting layer include multiple quantum dot regions, Mei Yisuo
State quantum dot region and correspond to a sub-pixel unit, the quantum dot region is in the light for being subject to the EL structure to send
Launch the light of corresponding sub-pixel unit color after excitation；
The ultraviolet photoresist layer being arranged on the color converting layer, the ultraviolet photoresist layer include being successively set on the color turn
The first barrier layer on layer and the second barrier layer are changed, the material on first barrier layer is inorganic nano material, second resistance
The material of barrier is organic material.
2. electro-luminescence display device according to claim 1, it is characterised in that the inorganic nano material is TiO2Or
ZnO nano material, the organic material are polyvinyl alcohol.
3. electro-luminescence display device according to claim 1, it is characterised in that the quantum dot material of the emitting ultraviolet light
Expect for graphene quantum dot material.
4. electro-luminescence display device according to claim 1, it is characterised in that the material of the first electrode is transparent
Conductive oxide, the material of the second electrode is metal.
5. according to any electro-luminescence display devices of claim 1-4, it is characterised in that each pixel unit bag
Red sub-pixel unit, green sub-pixels unit and blue subpixels unit are included, the color converting layer includes corresponding to described red
The red light quantum point region of sub-pixels unit, corresponding to the green sub-pixels unit green light quantum point region and correspond to
The blue light quantum point region of the blue subpixels unit.
6. electro-luminescence display device according to claim 5, it is characterised in that each pixel unit further includes Huang
Sub-pixels unit, the color converting layer further include the gold-tinted quantum dot region corresponding to the yellow sub-pixel unit.
7. electro-luminescence display device according to claim 5, it is characterised in that each pixel unit further includes white
Sub-pixels unit, the color converting layer further include the white light quanta point region corresponding to the white sub-pixels unit.
A kind of 8. display device, it is characterised in that the electroluminescent including drive module and as described in claim 1-7 is any
Display device, the drive module provides drive signal to the electro-luminescence display device, so that the electroluminance display
Device display picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716458.6A CN106229418B (en) | 2016-08-24 | 2016-08-24 | A kind of electro-luminescence display device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716458.6A CN106229418B (en) | 2016-08-24 | 2016-08-24 | A kind of electro-luminescence display device and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229418A CN106229418A (en) | 2016-12-14 |
| CN106229418B true CN106229418B (en) | 2018-04-13 |
Family
ID=57555188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716458.6A Active CN106229418B (en) | 2016-08-24 | 2016-08-24 | A kind of electro-luminescence display device and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229418B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI679627B (en) * | 2018-06-28 | 2019-12-11 | 友達光電股份有限公司 | Display panel |
| CN111261663A (en) * | 2018-11-30 | 2020-06-09 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and manufacturing method thereof |
| CN111261665A (en) * | 2018-12-03 | 2020-06-09 | 昆山工研院新型平板显示技术中心有限公司 | Quantum dot light-emitting device, preparation method thereof and display device |
| CN111261666A (en) * | 2018-12-03 | 2020-06-09 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110148675A (en) * | 2019-05-09 | 2019-08-20 | 苏州星烁纳米科技有限公司 | Quantum dot light emitting unit, quantum dot light emitting device and display device |
| CN111430444B (en) | 2020-04-30 | 2023-06-02 | 武汉华星光电半导体显示技术有限公司 | Quantum dot display panel and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222442A (en) * | 1997-10-21 | 1999-07-14 | 可乐丽股份有限公司 | Polyvinyl alcohol film |
| CN103227189A (en) * | 2013-04-09 | 2013-07-31 | 北京京东方光电科技有限公司 | Quantum-dot light-emitting diode displayer and display device |
| US8564187B2 (en) * | 2011-06-20 | 2013-10-22 | Emagin Corporation | Color organic light-emitting diode display device |
| CN104157697A (en) * | 2014-07-29 | 2014-11-19 | 京东方科技集团股份有限公司 | Oxide thin film transistor and array substrate as well as manufacturing methods thereof and display device |
| CN105097878A (en) * | 2015-07-17 | 2015-11-25 | 京东方科技集团股份有限公司 | Organic light-emitting diode display panel, preparation method and display device |
-
2016
- 2016-08-24 CN CN201610716458.6A patent/CN106229418B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222442A (en) * | 1997-10-21 | 1999-07-14 | 可乐丽股份有限公司 | Polyvinyl alcohol film |
| US8564187B2 (en) * | 2011-06-20 | 2013-10-22 | Emagin Corporation | Color organic light-emitting diode display device |
| CN103227189A (en) * | 2013-04-09 | 2013-07-31 | 北京京东方光电科技有限公司 | Quantum-dot light-emitting diode displayer and display device |
| CN104157697A (en) * | 2014-07-29 | 2014-11-19 | 京东方科技集团股份有限公司 | Oxide thin film transistor and array substrate as well as manufacturing methods thereof and display device |
| CN105097878A (en) * | 2015-07-17 | 2015-11-25 | 京东方科技集团股份有限公司 | Organic light-emitting diode display panel, preparation method and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106229418A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106229418B (en) | A kind of electro-luminescence display device and display device | |
| CN103236435B (en) | A kind of organic electroluminescent diode display device | |
| CN105932039B (en) | OLED display device | |
| CN104103672B (en) | OLED (Organic Light Emitting Diode) unit and fabrication method thereof, OLED display panel and OLED display apparatus | |
| KR101703343B1 (en) | Organic light emitting display device and method for manufacturing thereof | |
| KR101649237B1 (en) | Quantum Dot Light Emitting Diode Device and Light Apparatus Using the Same | |
| CN105304684A (en) | Color display device and manufacturing method thereof | |
| TW200515831A (en) | Organic EL device and display | |
| CN106684112A (en) | Organic light emitting display device and manufacture method thereof | |
| CN104051672A (en) | OLED pixel structure | |
| CN107482126A (en) | OLED display and manufacturing method thereof | |
| CN102097455A (en) | Organic light emitting diode device | |
| CN105704869B (en) | Electroluminescent photic mixed luminescence display device and preparation method thereof | |
| JP2015128065A (en) | Organic electroluminescent device and organic electroluminescent display device | |
| CN104617231A (en) | Array substrate, manufacturing method thereof and display device | |
| CN108878667A (en) | Luminescent device and preparation method thereof, electronic device | |
| WO2021035957A1 (en) | Quantum dot oled display panel | |
| CN105576004A (en) | Quantum dot color light conversion film, OLED panel and display device | |
| CN108054286A (en) | A kind of electroluminescent device, display device and preparation method thereof | |
| CN105529346A (en) | Display panel and method of manufacturing the same | |
| CN203250739U (en) | Organic light-emitting diode display device | |
| CN106298853B (en) | Electroluminescence display panel | |
| CN110854165A (en) | OLED display panel and OLED display device | |
| CN101740727A (en) | Preparation method of OLED display device | |
| CN209880662U (en) | Quantum dot light-emitting device and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |