CN105097866B - Organic LED display panel - Google Patents
Organic LED display panel Download PDFInfo
- Publication number
- CN105097866B CN105097866B CN201410220323.1A CN201410220323A CN105097866B CN 105097866 B CN105097866 B CN 105097866B CN 201410220323 A CN201410220323 A CN 201410220323A CN 105097866 B CN105097866 B CN 105097866B
- Authority
- CN
- China
- Prior art keywords
- display panel
- layer
- carbon
- inorganic
- coating
- 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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a kind of organic LED display panel, including：One substrate；One Organic Light Emitting Diode unit, on substrate；And one inorganic bore carbon composite layer, carbon-coating is bored including one first inorganic layer and a first kind, wherein the first inorganic layer and the first kind, which bore carbon-coating, to be sequentially laminated on Organic Light Emitting Diode unit, and the first inorganic layer is between Organic Light Emitting Diode unit and the first kind bore carbon-coating；Wherein, the thickness ratio that the first inorganic layer and the first kind bore carbon-coating is between 50 to 500.
Description
Technical field
The present invention be on a kind of organic LED display panel, it is espespecially a kind of with high water resistance and air-tightness
Organic LED display panel.
Background technology
Organic Light Emitting Diode (OLED) panel has：In light weight, thickness of thin, brightness is high, reaction speed is fast, visual angle is big,
The advantage such as do not need backlight, manufacturing cost low and flexible, and great potential can be applied to the display surface of various electrooptical devices
On plate, as mobile phone faceplate, car panel, MP3 panels, television panels are first-class.However, oled device but has not
The shortcomings that resistance to moisture, oxygen etc..
In the organic LED panel developed now, in order to lift the water preventing ability of panel and air-tightness, need outer
Add barrier layer or protective layer to strengthen the characteristic for blocking water and hindering oxygen of its display module, prevent water oxygen is penetrated into from causing the bad of property
Change.In general, used barrier layer materials are mostly inorganic material；However, inorganic material layer is mainly via vacuum evaporation
Or sputter method and formed, due to its uniformity it is bad the problem of, often result in the inorganic material layer have many holes lack
Fall into, described hole provides a water oxygen passage, and when being contacted with water oxygen, water oxygen can penetrate into display module by described hole
In, and block water oxygen ability of the inorganic material layer as barrier layer is greatly reduced.
Therefore, need badly at present and develop a kind of novel flexible display panel, it can solve foregoing problems and be lifted aobvious
Show the water preventing ability and air-tightness of panel, to increase the service life of display panel.
The content of the invention
The main object of the present invention is to provide a kind of organic LED display panel, and it bores carbon by using class
(Diamond-like carbon, DLC) layer and lift the water preventing ability and air-tightness of panel, and then lifted Organic Light Emitting Diode
The service life of display panel.
To reach above-mentioned purpose, organic LED display panel of the present invention includes：One substrate；One organic light-emitting diodes
Pipe unit, on substrate；And one inorganic-class bores carbon composite layer, including one first inorganic layer and a first kind bore carbon-coating, its
In the first inorganic layer and the first kind to bore carbon-coating be sequentially laminated on Organic Light Emitting Diode unit, and the first inorganic layer is located at having
Machine light emitting diode and the first kind are bored between carbon-coating；Wherein, the thickness ratio that the first inorganic layer bores carbon-coating with the first kind is to be situated between
Between 50 to 500.
Display panel provided by the present invention, inorganic-class that can be also including one layer or more are bored carbon composite layer, are sequentially laminated in
On Organic Light Emitting Diode unit, each of which is inorganic-and class bores carbon composite layer includes one first inorganic layer and a first kind respectively
Carbon-coating is bored, and it is to be arranged alternately that first inorganic layer and the first kind, which bore carbon-coating,.
In addition, display panel provided by the present invention can also include one second inorganic layer, bored located at outermost inorganic-class
On carbon composite layer；More specifically, bored located at outermost inorganic-class on the first inorganic layer of carbon composite layer.
Furthermore display panel provided by the present invention can also include an organic encapsulation layer, carbon composite layer is bored located at inorganic-class
Between Organic Light Emitting Diode unit；And when inorganic-class that the display panel of the present invention includes multilayer bores carbon composite layer, it is organic
Encapsulated layer can be more again between two adjacent inorganic-classes bore carbon composite layer.
In display panel provided by the present invention, either inorganic-class with one or more layers bores carbon composite layer, phase
The thickness ratio that the first adjacent inorganic layer or the second inorganic layer and the first kind bore carbon-coating is respectively interposed between 50 to 500；And compared with
It is good between 70 to 150.
In addition, in display panel provided by the present invention, it is compound either to bore carbon with one or more layers inorganic-class
Layer, the first or second inorganic layer and the first kind bore carbon-coating thickness have no it is specifically limited, as long as meeting aforementioned ratio.Preferably
For, every one first or second the thickness of inorganic layer be to be respectively interposed between 0.5 μm to 5 μm, and each first kind bores the thickness of carbon-coating
Degree is to be respectively interposed in 1nm between 100nm.
Furthermore in display panel provided by the present invention, it is compound either to bore carbon with one or more layers inorganic-class
Layer, every one first or second inorganic layer stress and each first kind bore carbon-coating stress between have no special relationship.Preferably, often
One first or second the stress of inorganic layer be greater than the stress that each first kind bores carbon-coating, to provide formed organic light emission two
The pliability of pole pipe display panel.
It is small and fine and close by forming a molecule particles in organic LED display panel provided by the present invention
Class bores carbon-coating on inorganic layer, and can fill up the hole of inorganic layer, and can reach high water resistance and air-tightness, and can be lifted organic
The service life of LED display panel.Meanwhile because with suitable thickness class bore carbon-coating can also show expected from light wear
Saturating rate, and more can apply on luminous organic LED display panel.
Brief description of the drawings
To further illustrate the particular technique content of the present invention, with reference to embodiments and accompanying drawing is described in detail as after, its
In：
Fig. 1 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 1.
Fig. 2 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 2.
Fig. 3 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 3.
Fig. 4 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 4.
Fig. 5 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 5.
Fig. 6 is the diagrammatic cross-section of the organic LED display panel of the embodiment of the present invention 6.
Fig. 7 is the diagrammatic cross-section of the organic LED display panel of comparative example of the present invention.
Embodiment
It is that embodiments of the present invention are illustrated by particular specific embodiment below, the personage for being familiar with this technology can be by this
Content disclosed in specification understands other advantages and effect of the present invention easily.The present invention can also pass through other different tools
Body embodiment is implemented or applied, and the various details in this specification can also be directed to different viewpoints and application, is not departing from this
Various modifications and change are carried out under the spirit of creation.
Embodiment 1
Fig. 1 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in figure 1, the present embodiment
Organic LED display panel include：One substrate 11；One Organic Light Emitting Diode unit 12, on substrate 11；With
And one inorganic-class bores carbon composite layer 2, including one first inorganic layer 21 and a first kind bore carbon-coating 22, wherein the first inorganic layer 21
And the first kind, which bores carbon-coating 22, to be sequentially laminated on Organic Light Emitting Diode unit 12, and the first inorganic layer 21 is located at organic light emission
Diode 12 and the first kind are bored between carbon-coating 22.
In the present embodiment, substrate 11 can be the art commonly use such as the hard substrate of glass substrate or such as plastics base
The flexible base plate of plate.In addition, the structure of Organic Light Emitting Diode unit 12 can be known in the art including two electrodes
And be arranged at the structure of two interelectrode organic luminous layers, and selectivity can also include electron injecting layer, electron transfer layer, electricity
At least one of hole transport layer, electric hole implanted layer.Former electrodes material and layers of material can be used known in the art
Electrode material or organic material, therefore will not be repeated here.Furthermore the material of first inorganic layer 21 of the present embodiment also can be this skill
Art field it is conventional to provide the inorganic material of water preventing ability and air-tightness, such as metal oxide, metal fluoride, nitride metal
Thing, metal carbides, carbonitride, metal oxynitride, metal boride, metal borohydride, metal silicide, silicon
Nitrogen oxides, silicon nitride and Si oxide, wherein, preferably can be SiO2、Si4N3、TiO2、Al2O3、ZrO2Or AlN.
Although foregoing inorganic material can provide certain water preventing ability and air-tightness, because inorganic material often particle compared with
Greatly, therefore the inorganic interlayer still hole or slight crack that are formed are present.Therefore, the Organic Light Emitting Diode provided in the present embodiment
Display panel, the small and fine and close class of molecule particles is especially bored into carbon-coating and is formed on inorganic layer, and the hole of inorganic layer can be filled up
Or slight crack.Meanwhile it is quite fine and close with class to bore the plated film that is formed of carbon, and water preventing ability more preferably and cause aqueous vapor be less susceptible to by, therefore
It can reach the water preventing ability of lifting organic LED display panel and the purpose of air-tightness.
Class bores the sp2 planar structures that carbon is a kind of sp3 tetrahedral structures for including non-diamond form and graphite form, and it can
Formed with methods known in the art, such as：Arc process, the laser stripping physical vaporous deposition such as plating method or sputtering method；And penetrate
Frequency or pulsed chemical vapor deposition method；But the present invention is not limited in manner described above and forms class brill carbon-coating.
In the present embodiment, in order that the first kind is bored the hole that can fill up completely in the first inorganic layer 21 of carbon-coating 22 or split
Trace, therefore the first kind bores the thickness of the inorganic layer 21 of carbon-coating 22 and first preferably with certain proportionate relationship.In addition, with first inorganic
The thickness increase of layer 21, hole or slight crack therein also increase therewith, therefore to increase the thickness that the first kind bores carbon-coating 22, could be complete
The full hole or slight crack for filling up the first inorganic layer 21.Here, the thickness ratio that the first inorganic layer 21 bores carbon-coating 22 with the first kind is
Between 50 to 500, and preferably between 70 to 150.
In addition, there is certain thickness in order to reach certain water preventing ability and air-tightness, the first inorganic layer 21.Therefore, in
In the present embodiment, the thickness of the first inorganic layer 21 is preferably between 0.5 μm to 5 μm；More preferably between 1 μm to 3 μm.
Furthermore if the organic LED display panel of the present embodiment is as the organic light-emitting diode display that lights on one
During panel, the thickness of first kind brill carbon-coating 22 will have influence on the penetrance of light.Therefore, in the present embodiment, the first kind bores carbon-coating
22 thickness is between 100nm between 1nm；Preferably between 10nm between 30nm.
In addition, in the organic LED display panel of the present embodiment, the first inorganic layer 21 bores carbon-coating with the first kind
22 stress is related to its technique and thickness, and without specifically limited.Here, the stress that the gained first kind bores carbon-coating 22 can pass through
The technique for forming first kind brill carbon-coating 22 is adjusted.
To reduce the stress of obtained display panel and lifting its pliability, then preferably the first inorganic layer 21 should
Power is more than the stress that the first kind bores carbon-coating 22.However, in other embodiment, the stress of the first inorganic layer 21 is also smaller than first
Class bores the stress of carbon-coating 22.Either the stress of the first inorganic layer 21 is more than or less than the stress that the first kind bores carbon-coating 22, preferably
It is soft or hard mutually overlapping with first kind brill carbon-coating 22 to be designed to the first inorganic layer 21, and can reach reduces overall display panel stress
Purpose, and lift the pliability of display panel.
Embodiment 2
Fig. 2 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in Fig. 2 the present embodiment
Display panel its structure be similar to Example 1, except the display panel of the present embodiment also includes one second inorganic layer 23, if
Bored in inorganic-class on carbon composite layer 2.
In the present embodiment, the second inorganic layer 23 and the adjacent first kind are bored in thickness relationship and embodiment 1 between carbon-coating 22
The thickness relationship that the first described inorganic layer 21 bores carbon-coating 22 with the first kind is identical, and the thickness of the second inorganic layer 23 and material are also
It is identical with the thickness and material of the first inorganic layer 21 described in embodiment 1, therefore will not be repeated here.
Here, because class bores carbon-coating in addition to high compactness with more the surface that height is smooth, therefore can more reduce thereon
The porosity for the second inorganic layer 23 that side is laminated.
Embodiment 3
Fig. 3 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in figure 3, the present embodiment
Display panel its structure be similar to Example 1, except the display panel of the present embodiment includes multiple inorganic-classes, to bore carbon compound
Layer 2,3, and also include an organic encapsulation layer 13.
In the present embodiment, organic encapsulation layer 13 is provided at inorganic-class and bores carbon composite layer 2 and Organic Light Emitting Diode unit
Between 12；And the organic packaging materials that its usable the art is conventional, such as silanes, acrylic compounds, epoxide polymer,
But the present invention is not limited to this.
In addition, in the present embodiment, as shown in figure 3, display panel, which includes inorganic-class, bores carbon composite layer 2,3, sequentially it is laminated
In on Organic Light Emitting Diode unit 12.Wherein, it is each it is inorganic-class bore carbon composite layer 2,3 respectively include one first inorganic layer 21,
31 and one the first kind bore carbon-coating 22,32, and it is to be arranged alternately that the first inorganic layer 21,31 and the first kind, which bore carbon-coating 22,32,.
Here, the thickness ratio that the first adjacent inorganic layer 21,31 bores carbon-coating 22,32 with the first kind is between 50 to 500
Between, and preferably between 70 to 150.In addition, the first inorganic layer 21,31 bores the thickness and material of carbon-coating 22,32 with the first kind
Material is also same as Example 1, therefore will not be repeated here.Furthermore the if organic LED display panel conduct of the present embodiment
On one during luminous organic LED display panel, then the gross thickness of first kind brill carbon-coating 22,32 is less than or equal to 100nm.
Embodiment 4
Fig. 4 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in figure 4, the present embodiment
Display panel its structure be similar to Example 3, except the display panel of the present embodiment also includes one second inorganic layer 33, if
Bored in inorganic-class on carbon composite layer 2.In the present embodiment, the thickness and material of the second inorganic layer 33 as described in Example 2,
Therefore it will not be repeated here.
Embodiment 5
Fig. 5 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in figure 5, the present embodiment
Display panel its structure be similar to Example 3, bore carbon composite layer except organic encapsulation layer 13 is provided at adjacent inorganic-class
2nd, between 3.Here, the thickness ratio that every one first inorganic layer 21,31 bores carbon-coating 22,32 with each first kind is between 50 to 500
Between, and preferably between 70 to 150.
Embodiment 6
Fig. 6 is the diagrammatic cross-section of the organic LED display panel of the present embodiment.As shown in fig. 6, the present embodiment
Display panel its structure be similar to Example 5, do not set except the top of organic encapsulation layer 13 only sets the first inorganic layer 31 and
Put the first kind and bore carbon-coating.
In addition, the display panel that previous embodiment is provided, can be applied to various display devices known in the art,
Such as display, mobile phone, notebook computer, video camera, camera, music player, action navigation device, TV.
Comparative example 1
Fig. 7 is the diagrammatic cross-section of the organic LED display panel of this comparative example.As shown in fig. 7, the present embodiment
Display panel its structure be similar to Example 1, except the top of Organic Light Emitting Diode unit 12 only sets the first inorganic layer
21 and be not provided with the first kind bore carbon-coating.
Comparative example 2
The organic LED display panel structure of this comparative example is similar to Example 1, except the first kind bores carbon-coating
It is to be substituted with organic encapsulation layer.
Test case
Here, it is that reliability point is carried out with the organic LED display panel of embodiment 2, comparative example 1 and comparative example 2
Analyse (Reliability analysis, RA).Wherein, as shown in Fig. 2 the organic LED display panel of embodiment 2 its
First inorganic layer 21 and the material of the second inorganic layer 23 are silicon nitride and thickness is respectively 1.975 μm and 2 μm, and the first kind bores carbon-coating
22 thickness are 25nm；As shown in fig. 7, the material of the first inorganic layer 21 of comparative example 1 is silicon nitride and thickness is 4 μm；And it refer to
Fig. 1, the material of the first inorganic layer 21 of comparative example 2 is silicon nitride and thickness is 4 μm, and organic packages layer material is epoxy resin film
And thickness is about 3 μm.
After carrying out reliability analysis in the environment of being 85% due to 85 DEG C and relative humidity, the display panel of comparative example 2
In about 120 hours its life-spans, its life-span of the display panel of comparative example 1 is less than 120 hours, but its life-span of the display panel of embodiment 2
At least about 240 hours.This result shows, when boring carbon-coating using the class of the present invention, can be substantially improved display panel water preventing ability and
Air-tightness, and the service life of display panel is significantly increased.
Above-described embodiment explanation merely for convenience and illustrate, the interest field advocated of the present invention is from should be with right
It is defined described in claimed range, rather than is only limitted to above-described embodiment.
Claims (10)
1. a kind of organic LED display panel, including：
One substrate；
One Organic Light Emitting Diode unit, on the substrate；And
One inorganic-class bores carbon composite layer, including one first inorganic layer and a first kind bore carbon-coating, wherein first inorganic layer and should
The first kind is bored carbon-coating and is sequentially laminated on the Organic Light Emitting Diode unit, and first inorganic layer is located at the organic light-emitting diodes
Pipe unit and the first kind are bored between carbon-coating；
Wherein, first inorganic layer and the first kind bore the thickness ratio of carbon-coating between 50 to 500.
2. organic LED display panel as claimed in claim 1, wherein first inorganic layer bore carbon with the first kind
The thickness ratio of layer is between 70 to 150.
3. organic LED display panel as claimed in claim 1, wherein the thickness of first inorganic layer is between 0.5 μm
To between 5 μm.
4. organic LED display panel as claimed in claim 1, the wherein first kind bore the thickness of carbon-coating between 1nm
To between 100nm.
5. organic LED display panel as claimed in claim 1, in addition to one second inorganic layer, located at this is inorganic-
Class is bored on carbon composite layer.
6. organic LED display panel as claimed in claim 1, in addition to an organic encapsulation layer, located at this is inorganic-
Class is bored between carbon composite layer and the Organic Light Emitting Diode unit.
7. organic LED display panel as claimed in claim 1, the wherein stress of first inorganic layer be more than this
One kind bores the stress of carbon-coating.
8. organic LED display panel as claimed in claim 1, the inorganic-class, which bores carbon composite layer, includes multiple nothings
Machine-class bores carbon composite layer, is sequentially laminated on the Organic Light Emitting Diode unit, and each of which inorganic-class bores carbon composite layer
Include first inorganic layer respectively and the first kind bores carbon-coating, and first inorganic layer and the first kind are bored carbon-coating and alternately set
Put.
9. organic LED display panel as claimed in claim 8, in addition to one second inorganic layer, located at the nothing
Machine-class is bored on the outermost layer of carbon composite layer.
10. organic LED display panel as claimed in claim 8, in addition to an organic encapsulation layer, located at adjacent
The multiple inorganic-class is bored between carbon composite layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410220323.1A CN105097866B (en) | 2014-05-23 | 2014-05-23 | Organic LED display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410220323.1A CN105097866B (en) | 2014-05-23 | 2014-05-23 | Organic LED display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105097866A CN105097866A (en) | 2015-11-25 |
| CN105097866B true CN105097866B (en) | 2018-03-13 |
Family
ID=54577922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410220323.1A Active CN105097866B (en) | 2014-05-23 | 2014-05-23 | Organic LED display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105097866B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578570A (en) * | 2003-07-29 | 2005-02-09 | 株式会社丰田自动织机 | Organic electroluminescence device |
| CN1815748A (en) * | 2005-12-22 | 2006-08-09 | 友达光电股份有限公司 | Double-side displaying apparatus |
| CN101068026A (en) * | 2006-05-02 | 2007-11-07 | 统宝光电股份有限公司 | Organic electroluminescent device and fabrication methods thereof |
| CN101649450A (en) * | 2004-06-25 | 2010-02-17 | 应用材料股份有限公司 | Improving water-barrier performance of an encapsulating film |
| CN102113146A (en) * | 2008-08-05 | 2011-06-29 | 索尼公司 | Organic electroluminescence element and display device |
-
2014
- 2014-05-23 CN CN201410220323.1A patent/CN105097866B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578570A (en) * | 2003-07-29 | 2005-02-09 | 株式会社丰田自动织机 | Organic electroluminescence device |
| CN101649450A (en) * | 2004-06-25 | 2010-02-17 | 应用材料股份有限公司 | Improving water-barrier performance of an encapsulating film |
| CN1815748A (en) * | 2005-12-22 | 2006-08-09 | 友达光电股份有限公司 | Double-side displaying apparatus |
| CN101068026A (en) * | 2006-05-02 | 2007-11-07 | 统宝光电股份有限公司 | Organic electroluminescent device and fabrication methods thereof |
| CN102113146A (en) * | 2008-08-05 | 2011-06-29 | 索尼公司 | Organic electroluminescence element and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105097866A (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104517994B (en) | Organic LED display device and its manufacturing method | |
| CN103490019B (en) | The encapsulating structure of organic electroluminescence device and method for packing, display unit | |
| CN105047829B (en) | Packaging structure and packaging method of organic light emitting device and flexible display device | |
| US11322723B2 (en) | Packaging structure including water-absorbing layer, display component and display device | |
| JP2013500579A (en) | Encapsulated optoelectronic device and manufacturing method thereof | |
| US20180166653A1 (en) | Organic light-emitting diode device and manufacturing method thereof | |
| US10818872B2 (en) | Manufacturing method of OLED display panel | |
| US10361396B2 (en) | Optoelectronic component with multilayer encapsulant CTE matched to electrode | |
| TWI545827B (en) | Oled display panel | |
| CN106663744B (en) | Opto-electronic device and its manufacturing method | |
| TW200505285A (en) | Electroluminescence element and electroluminescence panel | |
| KR20140091346A (en) | Display apparatus and method for manufacturing the same | |
| CN109088006B (en) | Flexible substrate and display panel | |
| KR102317715B1 (en) | Organic light emitting display apparatus and manufacturing the same | |
| US9343701B2 (en) | Organic light emitting display device and method for manufacturing the same | |
| CN103688347A (en) | Thin film encapsulation of organic light emitting diodes | |
| CN101894922A (en) | Organic light-emitting device and composite anode and manufacturing method thereof | |
| US10305064B2 (en) | Flexible organic light emitting diode display and manufacturing method thereof | |
| CN105097866B (en) | Organic LED display panel | |
| CN1563243A (en) | High thermal conductive and high air-tightness packaging material of film and preparation method | |
| KR102631535B1 (en) | Organic light-emitting display device | |
| KR20150044723A (en) | An organic light emtting device and a method for preparing the same | |
| WO2020228491A1 (en) | Oled display screen, display panel and preparation method therefor | |
| US20210408456A1 (en) | Display panel, method for fabricating same, and display device | |
| KR102393378B1 (en) | An organic light emtting device and a method for preparing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |