CN204179113U - Organic electroluminescence device and display unit - Google Patents
Organic electroluminescence device and display unit Download PDFInfo
- Publication number
- CN204179113U CN204179113U CN201420724265.1U CN201420724265U CN204179113U CN 204179113 U CN204179113 U CN 204179113U CN 201420724265 U CN201420724265 U CN 201420724265U CN 204179113 U CN204179113 U CN 204179113U
- Authority
- CN
- China
- Prior art keywords
- electroluminescence device
- organic electroluminescence
- reflector
- organic
- function 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
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses a kind of organic electroluminescence device and display unit, organic electroluminescence device comprises substrate, be formed in the negative electrode of the anode of the printing opacity on substrate, organic function layer, printing opacity, organic function layer is between anode and negative electrode, substrate is provided with reflector, having on the reflecting surface of reflection ray of reflector be outstanding to organic function layer, to the relief fabric of base plate recess.Display unit comprises organic electroluminescence device of the present utility model.The technical solution of the utility model, substrate is arranged one deck include outstanding to organic function layer, to the reflector of the relief fabric of base plate recess, the zones of different that this reflector is used for the reflecting surface of reflection ray has different height, can alleviate the color offset phenomenon of the different angles that microcavity effect causes by this.
Description
Technical field
The utility model relates to electroluminescence field, particularly relates to a kind of organic electroluminescence device and display unit.
Background technology
ORGANIC ELECTROLUMINESCENCE DISPLAYS technology is the flat panel display having development prospect of generally acknowledging in the world at present, and it has many-sided advantage: (1) raw material adopts organic substance, and material selection range is wide, can realize any color display from blue light to ruddiness; (2) luminosity is high, all solid state active illuminating; (3) driving voltage is low; (4) visual angle is wide, can to 160 degree; (5) fast response time is 1000 times of liquid crystal display; (6) ultra-thin, energy consumption is low.
ORGANIC ELECTROLUMINESCENCE DISPLAYS (OLED) technology has been widely used in mobile communication terminal, personal digital assistant (PDA), palmtop PC etc. recently.The core component of organic electroluminescence display device and method of manufacturing same is organic electroluminescence device.The mode that organic electroluminescence device takes out according to light can be divided into bottom emitting type and top emission type.
Fig. 1 is the profile of top emission type organic electroluminescence device, and it mainly comprises transparent cathode electrode layer 101, organic function layer 102, light transmissive anode electrode layer 103, reflector 104, protective layer 105, dielectric layer 106, insulating barrier 107, crystal-driven pipe 108 and substrate 100 from top to bottom.Wherein crystal-driven pipe 108 is between dielectric layer 106 and substrate 100.
When the organic electroluminescence device work of this structure, the part luminescence of organic function layer 102 can be reflected by transparent cathode electrode layer 101, luminescent layer 102 itself and light transmissive anode electrode layer 103, microcavity resonance effects can be produced between transparent cathode electrode layer 101 and light transmissive anode electrode layer 103, the light that organic function layer 102 can be made to launch forms Constructive interaction and destruction interference in the devices, and strengthen the light of certain specific wavelength, like this due to different angles light intensity to some extent difference thus make the visual angle of device diminish.In other words, watch this organic electroluminescence device from different angles, microcavity resonance effects can make the color of light change to some extent, namely produces color offset phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of organic electroluminescence device and display unit.
Organic electroluminescence device of the present utility model, comprise substrate, form the negative electrode of the anode of printing opacity on the substrate, organic function layer, printing opacity, described organic function layer is between described anode and described negative electrode, described substrate is provided with reflector, it is characterized in that, having on the reflecting surface of reflection ray of described reflector be outstanding to described organic function layer, to the relief fabric of described base plate recess.
Organic electroluminescence device of the present utility model, wherein, described relief fabric comprises multiple relief elements, and described relief elements comprises at least one to outstanding raised of described organic function layer.
Organic electroluminescence device of the present utility model, wherein, described relief elements comprises all to two relative edges that described organic function layer extends, described two relative edges link together and are formed to outstanding raised of described organic function layer, described projection with adjacent protrusions while form the groove to described base plate recess.
Organic electroluminescence device of the present utility model, wherein, the distance H between the top of described projection and the bottom of adjacent groove is between 1nm-1 μm, and the bottom width L of described projection is between 0.1 μm-100 μm.
Organic electroluminescence device of the present utility model, wherein, described projection is triangle, half elliptic or trapezoidal along the longitudinal section in its bottom width direction and described groove along the longitudinal section in its top width direction.
Organic electroluminescence device of the present utility model, wherein, the material in described reflector is silver, copper, aluminium, magnesium or metal alloy.
Organic electroluminescence device of the present utility model, wherein, described substrate is provided with flatness layer, the coated described reflector of described flatness layer.
Organic electroluminescence device of the present utility model, wherein, described flatness layer comprises the Part I be positioned at below described reflector and the Part II be positioned at above described reflector, and described first part is identical with the material of described Part II or not identical.
Display unit of the present utility model, comprises organic electroluminescence device of the present utility model.
The technical solution of the utility model is for the color offset phenomenon of the top radiation organic EL part caused by microcavity effect, substrate is arranged one deck include outstanding to organic function layer, to the reflector of the relief fabric of base plate recess, the zones of different that this reflector is used for the reflecting surface of reflection ray has different height, the light reflected is caused to have different optical path length by this, the light that the reverberation of different optical path length and organic function layer are upwards launched compensates mutually, can alleviate the color offset phenomenon of the different angles that microcavity effect causes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the organic electroluminescence device of prior art;
Fig. 2 is the structural representation of organic electroluminescence device of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 2, organic electroluminescence device of the present utility model, comprise substrate 2, form the anode of printing opacity on a substrate 2, for the organic function layer 1 of emission of light, the negative electrode of printing opacity, organic function layer 1 is between anode and negative electrode, substrate 2 is provided with the reflector 3 for reflection ray, reflector 3 is arranged between organic function layer 1, substrate 2, having on the reflecting surface of reflection ray of reflector 3 relief fabric that is outstanding to organic function layer 1, that cave in substrate 2.
When organic electroluminescence device of the present utility model is started working, light exposes to reflector 3 by organic function layer 1, because the reflecting surface for reflection ray in reflector 3 has to the outstanding relief fabric of organic function layer 1, the light that then reflective layer reflects goes out has different optical path length, the light that the reverberation of different optical path length and organic function layer are upwards launched compensates mutually, can alleviate the color offset phenomenon of the different angles that microcavity effect causes.
Organic electroluminescence device of the present utility model, wherein, relief fabric comprises multiple relief elements 10, relief elements 10 comprise at least one to organic function layer 1 outstanding raised 20.
Organic electroluminescence device of the present utility model, wherein, multiple relief elements 10 can be periodic arrangement, also can be no periodic array, multiple relief elements 10 can size identical, also can vary in size.
Organic electroluminescence device of the present utility model is for the color offset phenomenon of the top radiation organic EL part caused by microcavity effect, substrate is arranged one deck include outstanding to organic function layer, to the reflector of the relief fabric of base plate recess, the zones of different that this reflector is used for the reflecting surface of reflection ray has different height, the light reflected is caused to have different optical path length by this, the light that the reverberation of different optical path length and organic function layer are upwards launched compensates mutually, can alleviate the color offset phenomenon of the different angles that microcavity effect causes.
Organic electroluminescence device of the present utility model, wherein, relief elements 10 comprises all to two relative edges 11 that organic function layer 1 extends, two relative edges 11 link together and formed to organic function layer 1 outstanding raised 20, projection 20 11 with adjacent protrusions while form the groove 30 caved in substrate 2.
Organic electroluminescence device of the present utility model, wherein, two relative edges 11 of relief elements 10 formed to raised first jiao of organic function layer 1 be angle, one side 11 of projection 20 and adjacent protrusions while form second jiao of caving in substrate 1 to be similarly angle, first jiao can be identical or different with the angle of second jiao.
Organic electroluminescence device of the present utility model, wherein, the distance H between the top of projection 20 and the bottom of adjacent groove 30 is between 1nm-1 μm, and the bottom width L of projection 20 is between 0.1 μm-100 μm.
Organic electroluminescence device of the present utility model, wherein, projection 20 is triangle along the longitudinal section in its bottom width direction and groove 30 along the longitudinal section in its top width direction.
In other embodiments of organic electroluminescence device of the present utility model, projection can be half elliptic or trapezoidal along the longitudinal section in its bottom width direction and groove along the longitudinal section in its top width direction.
Organic electroluminescence device of the present utility model, wherein, the material in reflector 3 is silver, copper, aluminium, magnesium or metal alloy.
Organic electroluminescence device of the present utility model, wherein, is provided with flatness layer 5 on substrate 2, the coated reflector 3 of flatness layer 5.
Organic electroluminescence device of the present utility model, wherein, flatness layer 5 comprises the Part I 32 be positioned at below reflector 3 and the Part II 31 be positioned at above reflector 3, and first part 32 is identical with the material of Part II 31 or not identical.
Organic electroluminescence device of the present utility model, wherein, flatness layer 5 material therefor can be SiO
2, SiN
xor resin material etc.
Display unit of the present utility model, comprises organic electroluminescence device of the present utility model.Described display unit can be: any product or parts with Presentation Function such as oled panel, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
Organic electroluminescence device preparation method of the present utility model, comprising:
Substrate is formed the first flatness layer rete, then impresses out the Part I of the flatness layer with height fluctuating pattern by template;
The Part I of described flatness layer forms reflector, and the reflecting surface for reflection ray in described reflector has and projects upwards, to the relief fabric of described base plate recess;
Described reflector forms the second flatness layer rete, the Part II of obtained flatness layer;
The Part II of described flatness layer is formed the negative electrode of the anode of printing opacity, organic function layer, printing opacity, and described organic function layer is between described anode and described negative electrode.
Compared with traditional organic electroluminescence device, the zones of different of the reflecting surface for reflection ray in the reflector of organic electroluminescence device of the present utility model has different height, the reverberation of different optical path length can be provided, the light upwards can launched with organic function layer like this compensates mutually, thus weakens the color offset phenomenon of the different angles that microcavity effect is brought.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. an organic electroluminescence device, comprise substrate, form the negative electrode of the anode of printing opacity on the substrate, organic function layer, printing opacity, described organic function layer is between described anode and described negative electrode, described substrate is provided with reflector, it is characterized in that, having on the reflecting surface of reflection ray of described reflector be outstanding to described organic function layer, to the relief fabric of described base plate recess.
2. organic electroluminescence device according to claim 1, is characterized in that, described relief fabric comprises multiple relief elements, and described relief elements comprises at least one to outstanding raised of described organic function layer.
3. organic electroluminescence device according to claim 2, it is characterized in that, described relief elements comprises all to two relative edges that described organic function layer extends, described two relative edges link together and are formed to outstanding raised of described organic function layer, described projection with adjacent protrusions while form the groove to described base plate recess.
4. organic electroluminescence device according to claim 3, is characterized in that, the distance H between the top of described projection and the bottom of adjacent groove is between 1nm-1 μm, and the bottom width L of described projection is between 0.1 μm-100 μm.
5. organic electroluminescence device according to claim 2, is characterized in that, described projection is triangle, half elliptic or trapezoidal along the longitudinal section in its bottom width direction and described groove along the longitudinal section in its top width direction.
6. organic electroluminescence device according to claim 1, is characterized in that, the material in described reflector is silver, copper, aluminium, magnesium or metal alloy.
7. the organic electroluminescence device according to any one of claim 1-6, is characterized in that, described substrate is provided with flatness layer, the coated described reflector of described flatness layer.
8. organic electroluminescence device according to claim 7, it is characterized in that, described flatness layer comprises the Part I be positioned at below described reflector and the Part II be positioned at above described reflector, and described first part is identical with the material of described Part II or not identical.
9. a display unit, is characterized in that, comprises the organic electroluminescence device as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724265.1U CN204179113U (en) | 2014-11-26 | 2014-11-26 | Organic electroluminescence device and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724265.1U CN204179113U (en) | 2014-11-26 | 2014-11-26 | Organic electroluminescence device and display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179113U true CN204179113U (en) | 2015-02-25 |
Family
ID=52567897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420724265.1U Active CN204179113U (en) | 2014-11-26 | 2014-11-26 | Organic electroluminescence device and display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204179113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332561A (en) * | 2014-11-26 | 2015-02-04 | 京东方科技集团股份有限公司 | Organic light-emitting device, preparation method of organic light-emitting device and display device with organic light-emitting device |
-
2014
- 2014-11-26 CN CN201420724265.1U patent/CN204179113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332561A (en) * | 2014-11-26 | 2015-02-04 | 京东方科技集团股份有限公司 | Organic light-emitting device, preparation method of organic light-emitting device and display device with organic light-emitting device |
| WO2016082341A1 (en) * | 2014-11-26 | 2016-06-02 | 京东方科技集团股份有限公司 | Organic electroluminescence device, preparation method and display device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332561A (en) | Organic light-emitting device, preparation method of organic light-emitting device and display device with organic light-emitting device | |
| CN104241535B (en) | A kind of organic light-emitting structure | |
| CN107359268B (en) | Transparent OLED display panel and preparation method thereof | |
| CN103915482A (en) | Organic electroluminescent display panel, manufacturing method thereof and display device | |
| US9634269B2 (en) | Conductive flexible substrate and manufacture thereof, and OLED display device and manufacture method thereof | |
| CN104319351A (en) | OLED array substrate, preparation method of OLED array substrate, display panel and display device | |
| CN104659067A (en) | Display substrate and preparation method thereof, as well as display device | |
| CN104362171A (en) | Organic electroluminescence display panel as well as manufacturing method thereof and display device | |
| CN105185813A (en) | OLED (Organic Light Emitting Diode) display device and preparation method thereof | |
| CN110265568A (en) | A kind of display device and preparation method thereof | |
| CN105280838B (en) | A kind of OLED luminescent devices and display device | |
| CN108417725A (en) | Luminescent device, display base plate | |
| CN205092244U (en) | OLED display and electronic equipment | |
| CN103811669B (en) | Organic luminescent device, organic LED display device and manufacture method | |
| CN204179113U (en) | Organic electroluminescence device and display unit | |
| CN111312916A (en) | Display panel and display device | |
| US9887389B2 (en) | Organic light emitting device | |
| CN204179085U (en) | A kind of organic LED array substrate and display unit | |
| CN206460978U (en) | A kind of OLED and OLED luminaire that structure is taken out with light | |
| CN109449309A (en) | A kind of OLED device, OLED display panel and OLED display | |
| CN100379050C (en) | Full-colour organic electroluminescent display device and manufacturing method thereof | |
| CN103531721A (en) | Tandem organic light emitting diode device and display device | |
| CN109065752B (en) | Organic light emitting display panel and display device | |
| CN100423618C (en) | Semi-penetrative and semi-reflective organic electroluminescent panel | |
| CN102956677A (en) | OLED (Organic Light Emitting Diode) display device and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |