CN201146622Y

CN201146622Y - Low cost multipurpose organic electroluminescent display screen

Info

Publication number: CN201146622Y
Application number: CNU2007200326995U
Authority: CN
Inventors: 杜辉; 袁旭东
Original assignee: HAIJIN PHOTOELECTRIC TECH Co Ltd XI'AN
Current assignee: HAIJIN PHOTOELECTRIC TECH Co Ltd XI'AN
Priority date: 2007-09-11
Filing date: 2007-09-11
Publication date: 2008-11-05
Anticipated expiration: 2017-09-11

Abstract

A low-cost and multi-functional organic electroluminescence display screen comprises a glass substrate, a microlith material coat a nanophase material coat, an organic electroluminescence display pixel unit, anodes, cathodes, an organic filling film layer, an inorganic coating film and an organic coating film, etc. the microlith material coat and the nanophase material coat are coated on the substrate sequentially to form a new surface with nano planeness; the ITO layer, a typical organic electroluminescence display screen, and a plurality of coating film emulation layers are arranged on the new surface with the nano-planeness, thereby forming the utility model. The electroluminescence display screen of the utility model greatly reduces the cost of the products, expands the application of products, can be greatly used in the fields of communication, industrial control, instruments and meters, car electronics and military, etc., and can meet the requirements of lighter, thinner and more bright performances of portable flat information displaying devices.

Description

The multiduty organic EL display panel of a kind of low cost

Technical field

It is passive organic electroluminescent (OLED/PLED) display screen of substrate and the package assembly of several diversified functions thereof with simple glass coating low cost process membrane structure that the utility model relates to a kind of.

Background technology

From Kodak (Kodak) in 1987 and CDT (Cambridge University) developed can business-like organic elctroluminescent device since, the organic electroluminescent with semiconductor self-luminous characteristic (OLED/PLED) display screen made from micromolecule and macromolecule organic material is because of having active illuminating, and high-contrast, full visual angle, response speed is fast, color is pure, do not need backlight, low in energy consumption, super wide operating temperature range (low temperature can reach-40 ℃) and resistance to shock excellent specific properties such as (total solids structures) and be subjected to worldwide concern and research and development by force.Its application prospect light can be widely used in a plurality of fields such as communication field, commercial measurement field, I T field, consumer electronics and automotive electronics.

At present, the typical structure (see figure 1) of known organic EL display panel is assembled successively by parts such as high accuracy dedicated transparent glass substrate 101, transparent IT0 anode 102, organic light-emitting units 103 (wherein this unit is made up of 1 to 5 layer of organic function layer, contains more than one many display pixels point), metallic cathode 104, packaging plastic frame 105 and glass cover-plates 106.

Because it is nano level high accuracy special glass substrate that traditional organic elctroluminescent device must use surface smoothness, and the special glass substrate that this type of superelevation requires has only trans-corporation of external several family to produce, glass substrate production technology difficulty height, cost height, be difficult for making low-cost multipurpose and use wide organic elctroluminescent device, hinder the fast development of this new technology of organic elctroluminescent device, also limited its range of application simultaneously.

Therefore, the utility model can obviously reduce product cost based on the multipurpose organic EL display panel of simple glass and low cost process structure, increased the exploitation of multipurpose functional product, enlarged the application and the purposes of organic elctroluminescent device, application and the industrialization process promoted and accelerate organic elctroluminescent device have been had the huge social benefit.

The utility model content

To adopt the high import special glass of production technology difficulty be that substrate is made the deficiency that cost that organic EL display panel causes organic EL display panel high and can not developing low-cost variation function causes market to be difficult to promote in order to overcome present organic EL display panel, the utility model provides a kind of low cost multiduty organic EL display panel, this organic EL display panel is coated with simple glass that to be covered with the low cost process film layer structure be substrate, the not only rational in infrastructure but also obvious product cost that reduced can also be made the display screen of diversified function and enriched Presentation Function and effect, enlarge the application and the purposes of organic elctroluminescent device, can accelerate the marketing and the industrialization process of organic elctroluminescent device.

Technology implementation scheme that its technical problem that solves the utility model adopts and multipurpose organic EL display panel assembling scheme are as follows:

The technology implementation global schema: the utility model adopts and applies earlier on common glass substrates and curing one deck micro crystal material rete, apply and solidify the surface that one deck nano material rete forms a nanoscale evenness, organic electroluminescence display unit and the encapsulation of making ITO layer and typical or many characteristic functions by already known processes thereon just constituted the multiduty novel electroluminescent display screen of a kind of low cost then.This display screen comprises parts such as common glass substrates, micro crystal material rete, nano material rete, ITO layer, organic electroluminescence display unit, anode layer, cathode layer, packaging plastic frame, cover plate, organic filling rete, organic coat rete and inorganic coating rete.

Package assembly 1: see Fig. 2, this organic EL display panel comprises common glass substrates, transparent micro crystal material rete, the transparent nano film layer, transparent or opaque anode, insulated column, one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells, transparent or opaque negative electrode, UV-cured resin sealing frame, glass cover-plate and containing can absorb moisture and absorb the parts such as organic film coating of oxygen additive, wherein on common glass substrates, apply successively from bottom to top and be solidified with layer of transparent micro crystal material rete and layer of transparent nano material rete, form the surface of a nanoscale evenness, UV-cured resin sealing frame is encapsulated on the glass substrate, on the medial surface of sealing frame inboard and glass substrate, respectively apply one deck and contain the organic film coating that can absorb moisture and absorb the oxygen additive, two insulated columns are housed in the cavity that crosses by glass substrate and sealing frame, between insulated column, reach both sides and be provided with one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells, on the ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell, be provided with transparent or opaque negative electrode, or between insulated column and both sides be provided with one or more two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells that are built-in with the stepped construction of transparent or opaque negative electrode, glass substrate is encapsulated in UV-cured resin sealing frame upper end, respectively applies one deck and contain the organic film coating that absorbs moisture and oxygen additive on glass cover-plate medial surface and sealing frame medial surface.During actual fabrication, on common glass substrates, apply earlier and curing one deck micro crystal material rete, apply and solidify the surface of a nanoscale evenness of one deck nano material rete formation again, process ITO transparent anode, insulated column, one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell and metallic cathode etc. successively by existing technology then.Before the encapsulation, respectively applying last layer organic film coating on the glass cover-plate medial surface and on the medial surface of sealing frame inner glass substrate nano thin-film, this organic film coating contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring more afterwards, this rete has light transmittance about 90% and very thin.To apply at last to contain and absorb moisture and absorb the glass cover-plate of oxygen additive rete and glass substrate and UV-cured resin sealing frame are packaged together and just form described a kind of organic EL display panel.

The beneficial effects of the utility model are: being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, contain the coat film that can absorb moisture and absorb the oxygen additive, moisture and oxygen that infiltration is invaded have been absorbed effectively, so strengthened package isolation usefulness, the reliability that has improved display screen and life-span significantly.

Package assembly 2: see Fig. 3, this organic EL display panel comprises common glass substrates, transparent micro crystal material rete, the transparent nano film layer, transparent anode, insulated column, one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells, metallic cathode, monomer-polymer covers packed layer, parts such as ceramic film and organic polymer films, wherein: on common glass substrates, apply successively and be solidified with layer of transparent micro crystal material rete and layer of transparent nano material rete, form the surface of a nanoscale evenness, transparent anode processing is arranged on the glass substrate, two insulated columns are housed in the cavity that crosses by glass substrate and sealing frame, between insulated column, reach both sides and be provided with one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells, on the ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell, be provided with metallic cathode, outside ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell and metallic cathode, solidify and be coated with the smooth solid polymer cover layer of smooth outer surface, be installed with 1～5 layer of overlay film layer on the surface of polymer covering 108, each overlay film layer is made of interior ceramic film 109 and outer organic polymer thin film layer 110.During actual fabrication, on common glass substrates, apply earlier and curing one deck micro crystal material film, apply and solidify the surface of a nanoscale evenness of one deck nano material film formation, then by the existing good ITO transparent anode of processes, insulated column, one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell and metallic cathode etc.Adopt new overall package method then, specific practice is: liquid monomer polymer vaporization back is imported in the vacuum chamber, cover on the glass substrate nano thin-film in the vacuum chamber, on the ITO electrode on the substrate, on the insulated column and on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell and the metallic cathode, the cohesion back forms the cover layer of a sealing and whole embedding, this cover layer height is apparently higher than the whole height of ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell, volume obviously covers whole organic electroluminescence display unit and covers the segment glass substrate, solidify to form a thicker structure through ultraviolet source again and seal the solid polymer cover layer smooth with smooth outer surface fully, its outer surface can keep the smoothness of atom level.Get off again, successively deposition one layer thickness 500 on the surface of this polymer covering About the ceramic of compact rete, 1-5 time repetition overlay film is so passed through in and then cohesion and solidify one deck monomer-polymer rete, just forms described a kind of organic EL display panel at last.

The beneficial effects of the utility model are: being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, the multilayer organic membrane has stopped up ceramic capillary effectively and can absorb and disperse strain stress in order to avoid ceramic membrane cracks, the ceramic membrane of multilayer densification has separated the intrusion of moisture and oxygen efficiently, reduced simultaneously the volume of encapsulation greatly, realized ultra-thin and the null boundary encapsulation.

Package assembly 3: see Fig. 4, on common glass substrates, apply earlier and curing one deck micro crystal material film, apply and solidify the surface of a nanoscale evenness of one deck nano material film formation again, the structure that to make transparent anode then originally changes into and is made into opaque and high reflective anode, process insulated column, by the existing good ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell of processes, then negative electrode is made into light transmittance again greater than the transparent super thin metal negative electrode more than 80% or alloy-type negative electrode or or organic polymer transparency electrode.Before the encapsulation, respectively applying last layer organic film coating on the glass cover-plate medial surface and on the medial surface of sealing frame inner glass substrate nano thin-film, this organic film coating contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring afterwards, this rete has light transmittance about 90% and very thin.To apply at last to contain and absorb moisture and absorb the glass cover-plate of oxygen additive rete and glass substrate and UV-cured resin sealing frame are packaged together and just form described a kind of organic EL display panel.

The beneficial effects of the utility model are: being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, contain the coat film that can absorb moisture and absorb the oxygen additive, moisture and oxygen that infiltration is invaded have been absorbed effectively, so strengthened package isolation usefulness significantly, improved the reliability and the life-span of display screen.Reflection anode and transparent cathode structure have produced the make progress new effect of emergent light of single face, are particularly useful for the display screen structure that has drive circuit on glass substrate.

Package assembly 4: see Fig. 5, on common glass substrates, apply earlier and curing one deck micro crystal material film, apply and solidify the surface of a nanoscale evenness of one deck nano material film formation again, make transparent anode, insulated column by existing technology then, process the ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell, then negative electrode is made into light transmittance greater than the transparent super thin metal negative electrode more than 80% or alloy-type negative electrode or organic polymer transparency electrode.Before the encapsulation, respectively applying last layer organic film coating on the glass cover-plate medial surface and on the medial surface of sealing frame inner glass substrate nano thin-film, this film coating contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin, will apply at last to contain to absorb moisture and absorb the glass cover-plate of oxygen additive rete and glass substrate and UV-cured resin sealing frame are packaged together and just form described a kind of organic EL display panel.

The beneficial effects of the utility model are: being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, contain the coat film that can absorb moisture and absorb the oxygen additive, moisture and oxygen that infiltration is invaded have been absorbed effectively, so strengthened package isolation usefulness significantly, improved the reliability and the life-span of display screen.Transparent anode and transparent cathode structure have produced the new effect of two-sided two-way emergent light up and down, have enriched the effect and the diversity that show, have increased visible angle.

Package assembly 5: see Fig. 6, on common glass substrates, apply earlier and curing one deck micro crystal material film, apply and solidify the surface of a nanoscale evenness of one deck nano material film formation again, make transparent anode by existing technology then, insulated column, process ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell and metallic cathode, then on this negative electrode emission of stacked again making with the secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell of coloured light or different color light, form two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells, make a transparent anode at last again with stacked structure.Before the encapsulation, respectively applying last layer organic film coating on the glass cover-plate medial surface and on the medial surface of sealing frame inner glass substrate nano thin-film, this film coating includes the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin.To apply at last to contain and absorb moisture and absorb the glass cover-plate of oxygen additive rete and glass substrate and UV-cured resin sealing frame are packaged together and just form described a kind of organic EL display panel.

The beneficial effects of the utility model are: being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, contain the coat film that can absorb moisture and absorb the oxygen additive, moisture and oxygen that infiltration is invaded have been absorbed effectively, so strengthened package isolation usefulness significantly, improved the reliability and the life-span of display screen.Transparent anode and transparent cathode structure and the inner two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells that contain stacked structure, can produce the novel effect of two-sided two-way up and down outgoing with coloured light or different color light, greatly enrich the effect and the variation that show, increased visible angle.

Description of drawings

Fig. 1 is the exemplary block diagram of known organic EL display panel.

Fig. 2 is the utility model package assembly 1, the common glass substrates of low-cost Nanosurface and have and strengthen packaging effect and long-life organic EL display panel structure chart.

Fig. 3 is the utility model package assembly 2, the common glass substrates of low-cost Nanosurface and have organic and ceramic multilayer composite material overwrap encapsulating structure and have ultra-thin volume and efficient encapsulation effect, long-life organic EL display panel structure chart.

Fig. 4 is the utility model package assembly 3, and the transparent upwards single face emergent light structure of the reflective and negative electrode of the common glass substrates of low-cost Nanosurface and anode has the packaging effect of enhancing and long-life organic EL display panel structure chart.

Fig. 5 is the utility model package assembly 4, and all transparent and two-sided up and down emergent light structure of the common glass substrates of low-cost Nanosurface and anode and negative electrode has the packaging effect of enhancing and long-life organic EL display panel structure chart.

Fig. 6 is the utility model package assembly 5, the all transparent and two-sided up and down emergent light structure of the common glass substrates of low-cost Nanosurface and negative electrode and anode, reach screen and include stacked pair of organic light emitting display pixel cell, have the packaging effect of enhancing and long-life organic EL display panel structure chart.

The 201-common glass substrates; 202-micro crystal material film; The 203-nano material film; The 102-ITO transparent anode; The 112-insulated column; 103-ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell; The 104-metallic cathode; 105-sealing frame; The 106-glass cover-plate; 107-organic film coating; The cover layer of the whole embedding of 108-; The 109-ceramic film; 110-monomer-polymer rete;

Embodiment:

Further specify each embodiment of the present utility model below in conjunction with accompanying drawing.

Package assembly 1 embodiment

As Fig. 2, the multiduty organic EL display panel of this low cost comprises common glass substrates 201, transparent micro crystal material rete 202, transparent nano film layer 203, transparent or opaque anode 102, insulated column 112, a plurality of ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells 103, transparent or opaque negative electrode 104, UV-cured resin sealing frame 105, glass cover-plate 106 and containing can absorb moisture and absorb the parts such as organic film coating 107 of oxygen additive, on common glass substrates, apply successively from bottom to top and be solidified with layer of transparent micro crystal material rete 202 and layer of transparent nano material rete 203, form the surface of a nanoscale evenness, UV-cured resin sealing frame 105 is encapsulated on the glass substrate 201, on the medial surface of sealing frame (105) inboard and glass substrate 101, respectively apply one deck and contain the organic film coating 107 that can absorb moisture and absorb the oxygen additive, two insulated columns 112 are housed in the cavity that crosses by glass substrate 101 and sealing frame 105, between insulated column, reach both sides and be provided with a plurality of ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells 103, on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103, be provided with transparent or opaque negative electrode 104, or between insulated column 112 and both sides be provided with one or more two ORGANIC ELECTROLUMINESCENCE

DISPLAYS pixel cells

103 and 113 that are built-in with the stepped construction of transparent or opaque negative electrode 104, glass substrate 101 is encapsulated in UV-cured resin sealing frame 105 upper ends, respectively applies one deck and contain the organic film coating 107 that absorbs moisture and oxygen additive on glass cover-plate 106 medial surfaces and sealing frame 105 medial surfaces.During actual fabrication, on common glass substrates 201, apply earlier and curing one deck micro crystal material film 202, apply and solidify the surface of a nanoscale evenness of one deck nano material film 203 formation again, process IT0 transparent anode 102 successively by already known processes then, insulated column 112, ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 (one or more) and metallic cathode 104 etc., before the encapsulation, respectively applying last layer organic film coating 107 on glass cover-plate 106 medial surfaces and on nano thin-film 203 medial surfaces of sealing frame 105 inboard common glass substrates 201, film coating 107 includes the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin.To apply at last and contain the glass substrate 201 that absorbs moisture and absorb the glass cover-plate 106 of oxygen additive rete and apply 2 layer films that are cured and be packaged together with UV-cured resin sealing frame 105 and just form described a kind of organic EL display panel.

Being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate; obviously reduced product cost; when moisture or the intrusion of oxygen infiltration sealing frame; contain the coat film that can absorb moisture and absorb the oxygen additive; absorb and intercepted the moisture and the oxygen of infiltration intrusion effectively; protected electrode material and organic display pixel cells material to exempt to be hydrolyzed or the erosion of oxidation the reliability and the life-span of having improved display screen greatly.

Package assembly 2 embodiment

As Fig. 3, this organic EL display panel comprises common glass substrates 201, transparent micro crystal material rete 202, transparent nano film layer 203, transparent anode 102, insulated column 112, a plurality of ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells 103, metallic cathode 104, monomer-polymer covers packed layer 108, parts such as ceramic film 109 and organic polymer films 110, on common glass substrates, apply successively and be solidified with layer of transparent micro crystal material rete 202 and layer of transparent nano material rete 203, form the surface of a nanoscale evenness, transparent anode 102 processing are arranged on the glass substrate 201, two insulated columns 112 are housed in the cavity that crosses by glass substrate 201 and sealing frame 105, reaching both sides between insulated column 112 is provided with or a plurality of ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103, on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103, be provided with metallic cathode 104, outside ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 and metallic cathode 104, solidify and be coated with the smooth solid polymer cover layer 108 of smooth outer surface, be installed with 1～5 layer of overlay film layer on the surface of polymer covering 108, each overlay film layer is made of interior ceramic film 109 and outer organic polymer thin film layer 110.During making, on common glass substrates 201, apply earlier and curing one deck micro crystal material film 202, apply and solidify the surface of a nanoscale evenness of one deck nano material film 203 formation again, then by the existing good ITO transparent anode 102 of processes, insulated column 112, ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 (one or more) and metallic cathode 104 etc., adopt new overall package method then: liquid monomer polymer vaporization back is imported in the vacuum chamber, cover on the nano thin-film 203 on the common glass substrates 201 in the vacuum chamber and ITO electrode 102 and ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 and metallic cathode 104 on it on, the cohesion back forms the cover layer 108 of a sealing and whole embedding, this cover layer height is apparently higher than the whole height of whole organic electroluminescence display unit, volume obviously covers whole organic electroluminescence display unit and covers the segment glass substrate, solidify to form a thicker structure through ultraviolet source again and seal the solid polymer cover layer smooth with smooth outer surface fully, its outer surface can keep the smoothness of atom level.Get off again, successively deposition one layer thickness 500 on the surface of this polymer covering

About ceramic of compact rete 109,1-5 time repetition overlay film is so passed through in and then cohesion and solidify one deck monomer-polymer rete 110, just forms described a kind of organic EL display panel at last.

Being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate, obviously reduced product cost, the ceramic membrane defective that forms on level and smooth organic membrane surface is considerably less, multilayer organic membrane between the ceramic membrane had not only stopped up ceramic capillary effectively but also had blocked the connection probability of micropore, and can also absorb and disperse strain stress in order to avoid ceramic membrane cracks, therefore, the ceramic membrane of multilayer densification and the composite construction of organic membrane have separated the invasion of moisture and oxygen efficiently, reduced simultaneously the volume of encapsulation greatly, realized ultra-thin and the null boundary encapsulation.

Package assembly 3 embodiment

As Fig. 4, on common glass substrates 201, apply earlier and curing one deck micro crystal material film 202, apply and solidify the surface of a nanoscale evenness of one deck nano material film 203 formation again, with Fig. 2 embodiment difference be that the structure that will make transparent anode on glass substrate 201 originally changes into and is made into opaque and reflective anode 102, process insulated column 112, process ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 (one or more) well by existing technology again, afterwards negative electrode is made into light transmittance greater than the transparent super thin metal negative electrode more than 80% or alloy-type negative electrode or organic polymer transparency electrode 104.Before the encapsulation, respectively applying last layer organic film coating 107 on glass cover-plate 106 medial surfaces and on nano thin-film 203 medial surfaces of sealing frame 105 inboard common glass substrates 201, film coating 107 contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin.To apply at last and contain the glass substrate 201 that absorbs moisture and absorb the glass cover-plate 106 of oxygen additive rete and apply 2 layer films that are cured and be packaged together with UV-cured resin sealing frame 105 and just form described a kind of organic EL display panel.

Being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate; obviously reduced product cost; when moisture or the intrusion of oxygen infiltration sealing frame; contain the coat film that can absorb moisture and absorb the oxygen additive; absorb and intercepted the moisture and the oxygen of infiltration intrusion effectively; protected electrode material and organic display pixel cells material to exempt to be hydrolyzed or the erosion of oxidation the reliability and the life-span of having improved display screen greatly.The structure of reflection anode and transparent cathode has produced the make progress new effect of emergent light of single face, is particularly useful for the display screen structure that has drive circuit on the substrate.

Package assembly 4 embodiment

As Fig. 5, apply earlier and curing one deck micro crystal material film 202 in common glass substrates 201, apply and solidify the surface of a nanoscale evenness of one deck nano material film 203 formation again, make transparent anode 102, insulated column 112 and process ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 (one or more) by existing technology then, afterwards negative electrode is made into light transmittance greater than the transparent super thin metal negative electrode more than 80% or alloy-type negative electrode or organic polymer transparency electrode 104.Before the encapsulation, respectively applying last layer film coating 107 on glass cover-plate 106 medial surfaces and on nano thin-film 203 medial surfaces of sealing frame 105 inboard common glass substrates 201, film coating 107 contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin.To apply at last and contain the glass substrate 201 that absorbs moisture and absorb the glass cover-plate 106 of oxygen additive rete and apply 2 layer films that are cured and be packaged together with UV-cured resin sealing frame 105 and just form described a kind of organic EL display panel.

Being coated with on the simple glass plate and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate; obviously reduced product cost; when moisture or the intrusion of oxygen infiltration sealing frame; contain the coat film that can absorb moisture and absorb the oxygen additive; absorb and intercepted the moisture and the oxygen of infiltration intrusion effectively; protected electrode material and organic display pixel cells material to exempt to be hydrolyzed or the erosion of oxidation the reliability and the life-span of having improved display screen greatly.The structure of transparent anode and transparent cathode has produced the novel effect of the two-sided emergent light of two-way simultaneous up and down, has greatly enriched the effect and the variation of photoelectric display, has increased visible angle.

Package assembly 5 embodiment

As Fig. 6, organic EL display panel includes one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells 103, each ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 is formed by the functional layer of 1-5 layer organic material, two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells 103 of stepped construction and 113 respectively are made up of the functional layer of 1-5 layer organic material, and the main ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 of stacked on top of one another and secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 113 shared same negative electrodes 104, the secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 of advocating peace stacked together, 113 can send out with coloured light or different color light.During making, apply earlier and curing one deck micro crystal material film 202 in common glass substrates 201, apply and solidify the surface of a nanoscale evenness of one deck nano material film 203 formation again, make transparent anode 102 by existing technology then, insulated column 112 and process ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 103 (one or more) and metallic cathode 104, on metallic cathode 104, process another ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell 113 (one or more) by stepped construction more then, on organic electroluminescence display unit, make layer of transparent anode 111 at last again, form two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell structures of a screen included layer stack structure, main, secondary two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells can be launched with coloured light or different color light.Before the encapsulation, respectively applying last layer film coating 107 on glass cover-plate 106 medial surfaces and on nano thin-film 203 medial surfaces of sealing frame 105 inboard common glass substrates 201, film coating 107 contains the additive component that can absorb moisture and absorb oxygen, form firm rete through overheated or photocuring then, this rete has light transmittance about 90% and very thin.To apply at last and contain the glass substrate 201 that absorbs moisture and absorb the glass cover-plate 106 of oxygen additive rete and apply 2 layer films that are cured and be packaged together with UV-cured resin sealing frame 105 and just form described a kind of organic EL display panel.

Being coated with on simple glass and being covered with 2 layers of low cost process membrane structures formation nanometer evenness surface is substrate; obviously reduced product cost; when moisture or the intrusion of oxygen infiltration sealing frame; contain the coat film that can absorb moisture and absorb the oxygen additive; absorb and intercepted the moisture and the oxygen of infiltration intrusion effectively; protected electrode material and organic display pixel cells material to exempt to be hydrolyzed or the erosion of oxidation the reliability and the life-span of having improved display screen greatly.The structure of transparent anode and transparent cathode, and two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell structures of screen inner stacks structure, can produce the novel effect of two-sided two-way simultaneous up and down outgoing with coloured light or different color light, greatly enrich the effect and the variation of photoelectric display, increased visible angle.

Claims

1, the multiduty organic EL display panel of a kind of low cost, comprise common glass substrates (201), transparent micro crystal material rete (202), transparent nano film layer (203), transparent or opaque anode (102), insulated column (112), one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103), transparent or opaque negative electrode (104), UV-cured resin sealing frame (105), glass cover-plate (106) and containing can absorb moisture and absorb the organic film coating parts such as (107) of oxygen additive, it is characterized in that: on common glass substrates, apply successively from bottom to top and be solidified with layer of transparent micro crystal material rete (202) and layer of transparent nano material rete (203), form the surface of a nanoscale evenness, UV-cured resin sealing frame (105) is encapsulated on the glass substrate (201), on the medial surface of sealing frame (105) inboard and glass substrate (101), respectively apply one deck and contain the organic film coating (107) that can absorb moisture and absorb the oxygen additive, in the cavity that crosses by glass substrate (101) and sealing frame (105), two insulated columns (112) are housed, between insulated column (112), reach both sides and be provided with one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103), on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103), be provided with transparent or opaque negative electrode (104), or between insulated column (112) and both sides be provided with one or more two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103) and (113) that are built-in with the stepped construction of transparent or opaque negative electrode (104), glass cover-plate (106) is encapsulated in UV-cured resin sealing frame (105) upper end, respectively applies one deck and contain the organic film coating (107) that absorbs moisture and oxygen additive on glass cover-plate (106) medial surface and sealing frame (105) medial surface.

2, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1 is characterized in that: constitute the glass film plates that can make various organic EL display panels thereon by applying the common glass substrates (201) of solidifying layer of transparent micro crystal material film (202) and layer of transparent nano material film (203) on the surface successively.

3, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1, it is characterized in that: organic EL display panel includes one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103), each ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103) is formed by the functional layer of 1-5 layer organic material, each is made up of two ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103) of stepped construction and (113) the functional layer of 1-5 layer organic material, and the main ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103) of stacked on top of one another and the shared same negative electrode of secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (113) (104), the secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103 of advocating peace stacked together, 113) can send out with coloured light or different color light.

4, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1 is characterized in that: respectively applying the organic film coating (107) that one deck contains the additive component that can absorb moisture and absorption oxygen on glass cover-plate (106) medial surface and on the medial surface of the last nano thin-film (203) of the inboard common glass substrates of sealing frame (105) (201).

5, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1, it is characterized in that: on glass substrate (201), be provided with opaque and strong reflective anode (102), on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103), be provided with light transmittance greater than 80% transparent super thin metal negative electrode or alloy-type negative electrode (104) or organic polymer transparency electrode.

6, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1, it is characterized in that: on glass substrate (201), be provided with transparent anode (102), on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103), be provided with light transmittance greater than 80% transparent super thin metal negative electrode or alloy-type negative electrode (104) or organic polymer transparency electrode.

7, the multiduty organic EL display panel of a kind of low cost as claimed in claim 1, it is characterized in that: on glass substrate (201), be provided with transparent anode (102), make a secondary ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (113) more in addition by stepped construction above the negative electrode on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103), go up at ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (113) at last and make another transparent anode (111).

8, the multiduty organic EL display panel of a kind of low cost, comprise common glass substrates (201), transparent micro crystal material rete (202), transparent nano film layer (203), transparent anode (102), insulated column (112), one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103), metallic cathode (104), monomer-polymer covers packed layer (108), ceramic film (109) and organic polymer films parts such as (110), it is characterized in that: on common glass substrates, apply successively and be solidified with layer of transparent micro crystal material rete (202) and layer of transparent nano material rete (203), form the surface of a nanoscale evenness, transparent anode (102) processing is arranged on the glass substrate (201), in the cavity that crosses by glass substrate (201) and sealing frame (105), two insulated columns (112) are housed, between insulated column (112), reach both sides and be provided with one or more ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cells (103), on ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103), be provided with metallic cathode (104), outside ORGANIC ELECTROLUMINESCENCE DISPLAYS pixel cell (103) and metallic cathode (104), solidify and be coated with the smooth solid polymer cover layer (108) of smooth outer surface, be installed with 1～5 layer of overlay film layer on the surface of polymer covering (108), each overlay film layer is made of interior ceramic film (109) and outer organic polymer thin film layer (110).