CN102769955A - High-luminance electroluminescent panel display - Google Patents
High-luminance electroluminescent panel display Download PDFInfo
- Publication number
- CN102769955A CN102769955A CN2012100220110A CN201210022011A CN102769955A CN 102769955 A CN102769955 A CN 102769955A CN 2012100220110 A CN2012100220110 A CN 2012100220110A CN 201210022011 A CN201210022011 A CN 201210022011A CN 102769955 A CN102769955 A CN 102769955A
- Authority
- CN
- China
- Prior art keywords
- layer
- electrode
- metal backing
- conducting layer
- high dielectric
- 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.)
- Granted
Links
Landscapes
- Electroluminescent Light Sources (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
A high-luminance electroluminescent panel display comprises a back metal conductive layer, an inner electronic emission layer, an inner high dielectric layer, a luminescent layer, an outer high dielectric layer, an outer electronic emission layer, a transparent conductive layer, a transparent conductive electrode, a back metal conductive layer electrode, a moisture-absorption plastic film layer and a transparent fluoroplastic sealed layer. High-luminance light can be generated by exerting AC50-400 voltage and 0.05-20KHz frequency onto the back metal conductive layer electrode and the transparent conductive layer electrode.
Description
Technical field
The invention belongs to the electroluminescent device applications technical field.
Background technology
The electroluminescent flat device has another name called the electroluminescence flat device, as the luminous display light source of a kind of plastic film face, has been widely used in building decoration, automobile instrument, liquid crystal back illumination, billboard etc.Technical indicators such as the continuous pursuit of present stage novel flat-plate Display Technique is big, light, thin, economize on electricity.Mostly flat-panel monitor is with the glass baseplate to be main body at present, as: Field Emission Display (FED), LCD (LCD), display of organic electroluminescence (OEL or OLED), plasma scope (PDP).That its shortcoming is that glass is prone to is broken, area is limited, weight is big, work heating, inflexibility, production cycle are grown, cost is more high.
Existing inorganic powder electroluminescent sheet (screen) technology; It is a kind of plane luminescence device that is based upon on the inorganic powder electroluminescent material basis; It uses screen printing technique to be made into fixedly luminous pattern, realizes that through circuit control simplex switch flashes, existing a large amount of elaboration the in open source information; As: patent WO9626627, JP31-157070, Chinese patent 87107413.3,87105208.3,96122380.4,89106585.7 etc.The basic structure of existing device is back electrode, dielectric layer, luminescent layer, ITO electrode; Its not enough place is that luminosity is lower, the life-span is shorter; Can only be limited to indoor use, the device of above method preparation is simple use as: lamp box advertisement, back illumination, safe Warning Mark etc. are located.
A kind of high-brightness electroluminescent flat-panel screens of the present invention, it is main body with the plastic film substrate, through adding electron emission layer, improves luminous efficiency, makes silk-screen printing technique, produces the flat luminous display device of a kind of high brightness.It has flexible, in light weight, power savings good, production technology is simple, advantage such as with low cost.
A kind of high-brightness electroluminescent flat-panel screens of the present invention can the display color pattern, literal, dynamic image.It can be applied in fields such as dynamic advertising, luminous clothes, terminal, large-screen image demonstration.
Summary of the invention
A kind of high-brightness electroluminescent flat-panel screens, it comprises: metal backing conductive layer 1, interior electron emission layer 2, in high dielectric layer 3, luminescent layer 4, outer high dielectric layer 5, exoelectron emission layer 6, transparency conducting layer 7, transparency conducting layer electrode 8, metal backing conducting layer electrode 9, moisture absorption plastic membranous layer 10, transparent fluoroplastics sealant 11; On metal backing conducting layer electrode and transparency conducting layer electrode, add AC50-400V voltage, 0.05-20KHz frequency generation high brightness luminescent.
Metal backing conductive layer 1 is that silver slurry or the aluminium foil of selecting to have satisfactory electrical conductivity constitutes among the present invention, and the silver slurry is convenient to printing, forms matrix and pattern, and aluminium foil can improve intensity and closure property, increases the service life.
Electron emission layer 2 is the coating that contains nano aluminium oxide or nano zine oxide among the present invention; The paint matrix adhesive can use epoxy resin, fluorine resin etc.; Wherein by weight the nano aluminium oxide or the nano zine oxide that add 30-70%, above-mentioned nano material has bigger effect to improving brightness.Interior electron emission layer applied thickness 0.5-2 micron uses temperature to solidify or ultraviolet (UV) solidifies.The material characteristics that is applicable to electron emission layer in the present invention is: under the AC50-200V condition, can produce the electronics emission, according to this technical characterstic, interior electron emission layer material can also use alumina silicate, magnesia.
High dielectric layer 3 is to use the coating that contains CaCu 3 Ti 4 O among the present invention, and the paint matrix adhesive can use epoxy resin, fluorine resin etc., wherein by weight adding the 30-70% CaCu 3 Ti 4 O.The CaCu 3 Ti 4 O particle is the 1-5 micron, itself has the high-k characteristics, and it can produce high-k under interior electron emission layer effect, and its raising to luminous intensity has considerable influence.In high dielectric layer also can use one or more mixture coating that contain in barium titanate, lead titanates, strontium titanates, the titanium dioxide, itself and interior electron emission layer 2 interacts, and also can partly improve luminous intensity.In about high dielectric layer applied thickness 2-10 micron, use temperature to solidify or ultraviolet (UV) solidifies.
Luminescent layer 4 is to use the luminescent material with electroluminescence characters among the present invention, and it is the main body with zinc sulphide copper doped, manganese, and the zinc sulphide copper doped is sent blueness, blue-green, green light; Zinc sulphide copper doped manganese sends orange, sodium yellow.Luminescent layer is to use luminescent material and coating to be mixed and made into, its mutual part by weight 1: 1; The paint matrix adhesive can use epoxy resin, fluorine resin etc.Light emitting layer thickness 30-50 micron uses temperature to solidify or ultraviolet (UV) solidifies.
The high dielectric layer 5 in the present invention China and foreign countries is to use and contains the CaCu 3 Ti 4 O nano paint, and the paint matrix adhesive uses epoxy resin, fluorine resin etc., wherein by weight adding the 1-10% CaCu 3 Ti 4 O.Outer high dielectric layer applied thickness 0.1-0.5 micron uses temperature to solidify or ultraviolet (UV) solidifies, and it is in the substantially transparent state.Paint matrix can use epoxy resin, fluorine resin.Outer high dielectric layer also can use one or more mixture nano paints in barium titanate, lead titanates, strontium titanates, the titanium dioxide.Can improve capacitance under the electron emission layer effect outside of outer high dielectric layer, increase luminous intensity.
The present invention China and foreign countries electron emission layer 6 is the coating that contains nano aluminium oxide or nano zine oxide; The paint matrix adhesive can use epoxy resin, fluorine resin etc.; Wherein by weight the nano aluminium oxide or the nano zine oxide that add 1-15%; Above-mentioned nano material has big facilitation to improving brightness under high voltage, high-frequency.Exoelectron emission layer applied thickness 0.1-0.5 micron uses temperature to solidify or ultraviolet (UV) solidifies, and it is in the substantially transparent state.The material characteristics that is applicable to electron emission layer in the present invention is: under the AC50-200V condition, can produce the electronics emission, according to this technical characterstic, interior electron emission layer material can also use alumina silicate, magnesia.
Transparency conducting layer is to use the PET film that is coated with ITO among the present invention, and the resistance of ITO should remain on 50-100 Europe.Transparency conducting layer electrode and metal backing conducting layer electrode are to be made up of copper foil, and it mainly is convenient to the connection of out control circuit.Moisture absorption plastic membranous layer is to be made up of water white transparency nylon plastic(s) film, and it can ensure the drying of device inside, and it can be placed on metal backing conductive layer and layer at transparent layer respectively.Transparent fluoroplastics sealant is to be made up of band glue fluoroplastics film.
The metal backing conductive layer is printed as the matrix Controlling Source in the invention, and connects electrode by the edge, and transparency conducting layer is prepared into the matrix Controlling Source, and connects electrode by the edge, and the connection matrix control circuit is prepared matrix display.
Pattern or literal are processed in the printing of metal backing conductive layer among the present invention, and connect electrode by the edge, connect Drive and Control Circuit, prepare pattern device.
Description of drawings
Fig. 1 high-brightness electroluminescent plane display device structure figure.
Structure is among the figure:
1. metal backing conductive layer
2. interior electron emission layer
3. high dielectric layer in
4. luminescent layer
5. outer high dielectric layer
6. exoelectron emission layer
7. transparency conducting layer
8. transparency conducting layer electrode
9. metal backing conducting layer electrode
10. moisture absorption plastic membranous layer
11. transparent fluoroplastics sealant
Embodiment
A kind of high-brightness electroluminescent flat-panel screens, it comprises: metal backing conductive layer 1, interior electron emission layer 2, in high dielectric layer 3, luminescent layer 4, outer high dielectric layer 5, exoelectron emission layer 6, transparency conducting layer 7, transparency conducting layer electrode 8, metal backing conducting layer electrode 9, moisture absorption plastic membranous layer 10, transparent fluoroplastics sealant 11; On metal backing conducting layer electrode and transparency conducting layer electrode, add AC50-400V voltage, 0.05-20KHz frequency generation high brightness luminescent.
Metal backing conductive layer 1 is that silver slurry or the aluminium foil selecting to have satisfactory electrical conductivity constitute, and the silver slurry is convenient to printing, forms matrix and pattern; Aluminium foil can improve intensity and closure property; Thickness 10-100 micron increases the service life, and Copper Foil also can meet the demands; But its reflectivity is lower than aluminium foil, influences luminous intensity.
Interior electron emission layer 2 is to use printing to realize; It contains the coating of nano aluminium oxide or nano zine oxide, and the paint matrix adhesive can use epoxy resin, fluorine resin etc., wherein by weight the nano aluminium oxide or the nano zine oxide that add 30-70%; And fully mix; Interior electron emission layer applied thickness 0.5-2 micron, when using the warm epoxy resin that solidifies, fluorine resin, temperature should be controlled at the 80-150 degree.Use ultraviolet curing, the time should be controlled in 30 seconds.Interior electron emission layer material can also use alumina silicate, magnesia.Interior electron emission layer should smooth surface, and it is firm to be convenient to next group printed coating.
In high dielectric layer 3 be to use printing process to realize, it contains the coating of CaCu 3 Ti 4 O, the paint matrix adhesive can use epoxy resin, fluorine resin etc., wherein by weight adding the 30-70% CaCu 3 Ti 4 O, and fully mixes.The CaCu 3 Ti 4 O particle is the 1-5 micron, in about 10 microns of high dielectric layer applied thickness, use temperature to solidify or ultraviolet (UV) solidifies.Can add one or more mixture coating in barium titanate, lead titanates, strontium titanates, the titanium dioxide in the CaCu 3 Ti 4 O.In high dielectric layer use and contain barium titanate, lead titanates, strontium titanates, titania coating, itself and 2 interactions of interior electron emission layer also can improve luminous intensity.In high dielectric layer should smooth surface, it is firm to be convenient to next group printed coating.
Luminescent layer 4 is to be realized by printing process, uses to have the luminescent material of electroluminescence characters, as selects the trade mark for use: D417B blueness, D502S blue-green, green, the orange luminescent material of D585B of D521C.Luminescent material should be dried before using, and the paint matrix adhesive can use epoxy resin, fluorine resin etc., luminescent material and coating mixed weight ratio 1: 1.Light emitting layer thickness 30-50 micron; When using the warm epoxy resin that solidifies, fluorine resin, temperature should be controlled at the 80-150 degree.Use ultraviolet curing, the time should be controlled in 10 seconds, and long-time ultraviolet irradiation meeting damages luminescent material useful life.
Outer high dielectric layer 5 is to use the nano material that contains CaCu 3 Ti 4 O; The paint matrix adhesive uses epoxy resin, fluorine resin etc., wherein by weight adding the 1-10% CaCu 3 Ti 4 O.Outer high dielectric layer applied thickness 0.1-0.3 micron uses temperature to solidify or ultraviolet (UV) solidifies, and it is in the substantially transparent state.Paint matrix can use epoxy resin, fluorine resin etc., and the use of above-mentioned nano material can be enhanced the transparency, and reduces luminous loss.Outer high dielectric layer also can use one or more mixture nano paints in barium titanate, lead titanates, strontium titanates, the titanium dioxide.
Exoelectron emission layer 6 is the coating that contains nano aluminium oxide or nano zine oxide; The paint matrix adhesive can use epoxy resin, fluorine resin etc., and wherein by weight the nano aluminium oxide or the nano zine oxide that add 1-15%, above-mentioned nano material has big facilitation to improving brightness under high voltage, high-frequency.Exoelectron emission layer applied thickness 0.1-0.5 micron uses temperature to solidify or ultraviolet (UV) solidifies, and it is in the substantially transparent state.The material characteristics that is applicable to electron emission layer in the present invention is: under the AC50-200V condition, can produce the electronics emission, according to this technical characterstic, interior electron emission layer material can also use alumina silicate, magnesia.
Outer high dielectric layer 5 has big facilitation with the raising of exoelectron emission layer 6 transparency when printing to luminous intensity; It depends on the ratio that nano material is added simultaneously; Nano material adding proportion transparency after a little while is good, and nano material adding proportion electric field action efficient for a long time improves.As not using the material of nano particle degree, also can reach the purpose that improves brightness, but its transparency can be lower, and block luminous intensity among the present invention, thereby make the brightness of device improve limited.
Transparency conducting layer is to use the PET film that is coated with ITO, and it attaches through plane hot pressing adhesion process.Transparency conducting layer electrode and metal backing conducting layer electrode are to be made up of copper foil.Moisture absorption plastic membranous layer is to be made up of water white transparency nylon plastic(s) film, as using nylon membrane No. 6.Transparent fluoroplastics sealant is to be made up of band glue fluoroplastics film, as using tetrafluoroethene.
The metal backing conductive layer is printed as the matrix Controlling Source, and connects electrode by the edge, and transparency conducting layer is prepared into the matrix Controlling Source, and connects electrode by the edge, and the connection matrix control circuit is prepared matrix display.
Pattern or literal are processed in the printing of metal backing conductive layer, and connect electrode by the edge, connect Drive and Control Circuit, prepare pattern device.
The invention has the advantages that
1) the present invention is through using nanoelectronic emissive material, nanometer high dielectric material, and the brightness that effectively improves luminescent device is more than 70%, thereby enlarged the scope of application of luminescent device.
2) the present invention increases substantially the high pressure resistant property of luminescent device through adding electron emission layer, high dielectric layer on original technical foundation, can proof voltage to 500V, be 2 times of the conventional device limit.
3) sandwich construction of the present invention can be applicable in the matrix display device, regulates through controller, has realized high-brightness electroluminescent matrix display effect, can be used for the end message display.
A kind of high-brightness electroluminescent flat-panel screens of the present invention can be applied in the fields such as plane dynamic advertising, display, clothes, building decoration, safe guidance illumination.Production technology of the present invention is simple, is fit to large-scale production.
Embodiment
The preparation of high-brightness electroluminescent flat-panel screens, metal backing conductive layer 1 is selected 0.1 millimeters thick aluminium foil, its surperficial brilliance, deoiling property material.
Interior electron emission layer preparation is the epoxy coating that contains 50% nano aluminium oxide, and fully mixes, and 0.5 micron of silk screen printing thickness is in 110 degree oven dry.
In the preparation of high dielectric layer be to use the epoxy coating that contains 60% CaCu 3 Ti 4 O, about 7 microns of silk screen printing thickness are in 110 degree oven dry.
Luminescent layer is to use the D502C green electroluminescent material, luminescent material and epoxy coating mixed weight ratio 1: 1.50 microns of silk screen printing light emitting layer thickness; The temperature of solidifying is at 110 degree.
Outer high dielectric layer is to use the nano material that contains CaCu 3 Ti 4 O; Weight ratio is added 5% CaCu 3 Ti 4 O in the epoxy resin.0.1 micron of silk screen printing thickness uses 110 degree temperature to solidify.
The exoelectron emission layer is to use the coating that contains nano zine oxide; Paint matrix uses epoxy resin, wherein by weight the nanometer rice zinc oxide that adds 10%.0.3 micron of exoelectron emission layer silk screen printing thickness uses 110 degree to be dried to semi-cured state, and it is in the substantially transparent state.
Transparency conducting layer is to use has the conduction property ito thin film, combines with the exoelectron emission layer of leather hard through the plane heat-sealing machine.
Transparency conducting layer electrode and metal backing conducting layer electrode are to be made up of copper foil.
Moisture absorption plastic membranous layer is to be made up of No. 6 films of water white transparency nylon plastic(s).
Transparent fluoroplastics sealant is to use the hot sealing of band glue tetrafluoroethylene.
On electrode, add AC50-400V voltage, 0.05-20KHz frequency generation blue-green high brightness luminescent.
After execution mode has been done to illustrate preferably to the present invention in the above; What should understand to one skilled in the art is; Under situation without departing from the spirit and scope of the present invention, to any change that the present invention did with improve all within the scope of the invention.
Claims (4)
1. high-brightness electroluminescent flat-panel screens, it comprises: metal backing conductive layer, interior electron emission layer, in high dielectric layer, luminescent layer, outer high dielectric layer, exoelectron emission layer, transparency conducting layer, transparency conducting layer electrode, metal backing conducting layer electrode, moisture absorption plastic membranous layer, transparent fluoroplastics sealant; On metal backing conducting layer electrode and transparency conducting layer electrode, add AC50-400V voltage, 0.05-20KHz frequency generation high brightness luminescent.
2. a kind of according to claim 1 high-brightness electroluminescent flat-panel screens, metal backing conductive layer are used silver slurry or the aluminium foil with satisfactory electrical conductivity; Interior electron emission layer is the coating that contains nano aluminium oxide or nano zine oxide; In high dielectric layer be to use the coating that contains CaCu 3 Ti 4 O; Luminescent layer is to use the luminescent material with electroluminescence characters; Outer high dielectric layer is to use and contains the CaCu 3 Ti 4 O nano paint; The exoelectron emission layer is the coating that contains nano aluminium oxide or nano zine oxide; Transparency conducting layer is to use the PET film that is coated with ITO; Transparency conducting layer electrode and metal backing conducting layer electrode are to be made up of copper foil; Moisture absorption plastic membranous layer is to be made up of water white transparency nylon plastic(s) film; Transparent fluoroplastics sealant is to be made up of band glue fluoroplastics film.
3. a kind of according to claim 1 high-brightness electroluminescent flat-panel screens, the metal backing conductive layer is printed as the matrix Controlling Source, connects electrode by the edge; Transparency conducting layer is prepared into the matrix Controlling Source; Connect electrode by the edge, the connection matrix control circuit is prepared matrix display.
4. a kind of according to claim 1 high-brightness electroluminescent flat-panel screens, pattern or literal are processed in the printing of metal backing conductive layer, and connect electrode by the edge, connect Drive and Control Circuit, prepare pattern device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210022011.0A CN102769955B (en) | 2012-02-01 | 2012-02-01 | A kind of High-luminance electroluminescent panel display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210022011.0A CN102769955B (en) | 2012-02-01 | 2012-02-01 | A kind of High-luminance electroluminescent panel display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102769955A true CN102769955A (en) | 2012-11-07 |
| CN102769955B CN102769955B (en) | 2016-04-13 |
Family
ID=47097169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210022011.0A Expired - Fee Related CN102769955B (en) | 2012-02-01 | 2012-02-01 | A kind of High-luminance electroluminescent panel display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102769955B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190110A (en) * | 2016-08-19 | 2016-12-07 | 张家港康得新光电材料有限公司 | Electroluminescent device and there is its self-luminous Vehicular skylight |
| CN109215509A (en) * | 2018-08-28 | 2019-01-15 | 上海幂方电子科技有限公司 | A kind of wearable display equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131325A (en) * | 1994-10-27 | 1996-09-18 | 株式会社精工舍 | EL display and luminous dial using same |
| US20040066133A1 (en) * | 2002-09-30 | 2004-04-08 | Ngk Insulators, Ltd. | Light-emitting device and field emission display having such light-emitting devices |
| US20050285515A1 (en) * | 2004-06-28 | 2005-12-29 | Vladimir Vlaskin | Flexible electeroluminescent material |
-
2012
- 2012-02-01 CN CN201210022011.0A patent/CN102769955B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131325A (en) * | 1994-10-27 | 1996-09-18 | 株式会社精工舍 | EL display and luminous dial using same |
| US20040066133A1 (en) * | 2002-09-30 | 2004-04-08 | Ngk Insulators, Ltd. | Light-emitting device and field emission display having such light-emitting devices |
| US20050285515A1 (en) * | 2004-06-28 | 2005-12-29 | Vladimir Vlaskin | Flexible electeroluminescent material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190110A (en) * | 2016-08-19 | 2016-12-07 | 张家港康得新光电材料有限公司 | Electroluminescent device and there is its self-luminous Vehicular skylight |
| CN109215509A (en) * | 2018-08-28 | 2019-01-15 | 上海幂方电子科技有限公司 | A kind of wearable display equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102769955B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102176298A (en) | Matrix electroluminescent flat-panel display | |
| CN103152891B (en) | A kind of inorganic powder electroluminescence flexible matrix display | |
| CN103338544B (en) | A kind of white electroluminescence device realized by carbon quantum dot | |
| CN103152893B (en) | Flexible double-side displayer formed by combining light emitting wires | |
| JP2010508639A (en) | Solid state lighting composition and system | |
| CN111613707B (en) | Electroluminescent sheet and manufacturing method thereof | |
| CN102695310A (en) | Method for preparing high-brightness electroluminescence line | |
| TW201004469A (en) | Luminescent composition, inorganic-based field luminescent sheet using the same and manufacturing method thereof | |
| CN102769955B (en) | A kind of High-luminance electroluminescent panel display | |
| CN104507194B (en) | Fabrication method of third-dimensional (3D) electroluminescent device | |
| CN106455242A (en) | Graphene electroluminescence dot matrix display panel and manufacturing method thereof | |
| CN105206487A (en) | Liquid metal plasma color display device and preparation method thereof | |
| KR20140093377A (en) | Electric field light emitting composition, manufacturing method thereof and electric field light emitting device comprising the same | |
| DE102013016158A1 (en) | Surface element for lighting and heating | |
| CN111785706A (en) | Flexible LED plane light-emitting device | |
| CN206149559U (en) | Electroluminescent device | |
| CN2485912Y (en) | Electroluminescent sheets for emitting white color light | |
| CN103531120A (en) | Method for manufacturing cold light indication board | |
| CN106535386A (en) | Graphene electroluminescent cold light board and manufacturing method thereof | |
| CN206490852U (en) | Graphene energy-saving cold mating plate | |
| CN207818126U (en) | One kind is ordered marked price plate | |
| KR20030017911A (en) | Method for construction of Powder Electroluminescent Lamp for high efficency | |
| CN2501280Y (en) | White electroluminescent device | |
| CN1149407C (en) | Multi-layer film type luminous body and its preparing process | |
| CN2781483Y (en) | Field transmitting display dynamic traffic signal marker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20190201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |