CN1701640A - Three-dimensional electroluminescence display - Google Patents
Three-dimensional electroluminescence display Download PDFInfo
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- CN1701640A CN1701640A CN02821062.XA CN02821062A CN1701640A CN 1701640 A CN1701640 A CN 1701640A CN 02821062 A CN02821062 A CN 02821062A CN 1701640 A CN1701640 A CN 1701640A
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- 238000005401 electroluminescence Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 40
- 230000007704 transition Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
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- 230000001070 adhesive effect Effects 0.000 description 3
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- 239000011810 insulating material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- 210000001050 stape Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Illuminated Signs And Luminous Advertising (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The three-dimensional electroluminescence display comprises a main body (1) and an electroluminesccnce device (20). Said electroluminescence device (20) compriscs a film (2) and an electroluminesceni arrangement (10) which together form a whole. The surlace of the film (2), lacing the electroluminestent arrangement (10) is provided with the motifs (9) for display. The cleclroluminescent arrangement (10) comprises a from electrode (11) and a back electrode (12), between which a dielectric (13) is located. The from electrode (11) is provided with the layer which produces the molif (9) and is embodied in one piece with the same. A supply source (15) is arranged within the surface of the electroluminescence device (20), which contacts the electrodes (11,12) of the electroluminescence device (20).
Description
The present invention relates to a kind of three-dimensional electroluminescence display, the el light emitting device that it has transparent forward part and is arranged in described forward part back.
The three-dimensional electroluminescence display of this general type is known.The unit of this previously known has a transparent thin plate (sheet).As an example, the anterior big zone of described thin plate is provided with light non-transmittable layers, can comprise figure (motifs) in this layer, such as for example curve, symbol, image etc.In order to protect these figures, the front side of figure is coated with the protective layer made from for example transparent and hard resin.Photo-luminescent devices or EL lamp are arranged in the side of thin plate away from figure.Described EL lamp is provided with carries (stapes) or lug plate (lug) secretly, and one of them lug plate links to each other with an electrode of EL lamp, and another lug plate links to each other with another electrode of EL lamp.The EL lamp is by described lug plate or carry supply capability secretly.
For the needs that use a plurality of layers, the front area complex structure of this previously known unit.And, require display unit to have nonplanar form usually.This is also to want luminous window or depression (depression) because need display must have the side usually.For this purpose, the EL lamp must be pulled into display and described window or described depression rightly from the front area of display joins in the sidewall areas on boundary.In addition, because formerly known display middle level structure is broken easily, so that the latter is merely able to gently is in addition crooked.It is about 6mm that the I of previously known display sweep obtains radius.This radius is excessive in fascia for example.EL lamp electrode is above-mentioned to be carried secretly or the cooperation (fitting) of lug plate also is problematic.This is because described electrode is formed by extremely thin layer, and carry secretly or lug plate to compare with electrode layer be relative thick material bands.
The objective of the invention is to eliminate these and further shortcoming of prior art.
In the example of the general type three-dimensional electroluminescence display of mentioning in foreword, this purpose is realized according to the defined mode of description characteristic by claim 1 of the present invention according to the present invention.
Below, with reference to the accompanying drawings embodiments of the invention are explained in more detail, wherein:
Fig. 1 has shown the plane graph of the front side of an embodiment of this three-dimensional electroluminescence display,
Fig. 2 has shown the vertical section by structure division shown in Figure 1,
Fig. 3 has shown the section by the thin portion of semi-finished product, and half-finished further processing will produce display unit shown in Figure 1,
Fig. 4 has shown that wherein said product has passed through the hot forming processing by the half-finished section of Fig. 3,
Fig. 5 has shown that wherein said product has the suitable material of injection molding (injection-molded) in its back by the half-finished section of Fig. 4, and it has constituted the main body of this display unit,
Fig. 6 has shown the section by mould, wherein can produce the main body consistent with Fig. 5,
Fig. 7 has shown by according to the regional carefully section of portion of the display unit of Fig. 1 and Fig. 2, has wherein arranged contact point,
Fig. 8 has shown the section that passes through according to the thin portion of fringe region of display unit of Fig. 1 and Fig. 2, wherein also can arrange contact point,
Fig. 9 has shown the section that the power supply place is set by this display unit main body inside,
Figure 10 has shown the vertical section by this display sweep.
Fig. 1 has shown the plane graph of a possibility of this three-dimensional electroluminescence display embodiment front side.This three-dimensional electroluminescence display hereinafter also is called for short.Fig. 2 has shown the vertical section of unit shown in Figure 1.Display unit has (areal) main body 1 on plane basically, and it is equipped with electroluminescent device 20.This device 20 is arranged at the front area 103 of main body 1 basically, and the diagrammatic representation that can allow to show expectation carry out luminous, for example image, numeral etc.Described main body 1 usefulness suitable plastic is made, if described plastics can be handled in injection molding is handled then have advantage.Material can comprise, as an example, and acrylonitrile-butadiene-styrene terpolymer (ABS) family.
Main body 1 in this unit is made cavity 7 in the zone in addition, and this cavity is to rear portion or rear opening.Described cavity 7 can have the quadrangle profile.In this example, described cavity 7 is by four walls 43 gauge (laterally bounded) in addition laterally, and this wall 43 is outstanding backward by the trailing flank of main body 1 planar section 103.Cavity 7 is used to be received as the power supply 15 that electroluminescent device 20 provides electric power.In example shown in Figure 2, cavity 7 be positioned at described depression 101 below.Fig. 2 also shows contact stud 17 and 18, by them for example 12 volts dc voltage is fed into power supply 15.Described contact stud 17 and 18 is arranged in the side of power supply 15 away from electroluminescent device 20.
Fig. 3 has shown the vertical section by photo luminescent devices 20 structures, and in this example, Fig. 3 only comprises a part or the thin portion of the device 20 shown in Fig. 2.Electroluminescent device 20 comprises planar section 2 transparent front or translucent at least, and it shows directly over Fig. 3.Film 2 must further have can be by hot formed performance.The plastics that are suitable for producing this film 2 are usually known.As an example, the trade mark produced of Bayer AG company is the representative that the film of Makrofol can be used as other this types of material.In order to obtain special effect, film 2 can also be realized by sandwich construction.
The downside or the rear side of the film 2 shown in Fig. 3 are provided with X-Y scheme 9.Described figure 9 can be for example dimensional Graphics, for example symbol, image, numeral etc.The content of this figure 9 is by discrete elements 8 definition, and it is placed and be inserted in the window 81 at interval each other.Arrive the content of the light rendering graphical 9 of film 2 by the window between the graphic elements 8 81.In profile shown in Figure 3, graphic elements 8 is shown as the discrete straight line that is installed on film 2 dorsal parts or the rear side.Therefore, these figures 9 are arranged in the inside of photo luminescent devices 20, and they are protected and avoid wearing and tearing and other adverse effect that is caused by the film 2 that for example is arranged in its front at this place.
The rear side of film 2, thereby and the rear side of figure 9 be designated as actual light-emitting device 10, it is the el light emitting device that illustrates in the example.Hereinafter, this device is also referred to as EL device or EL lamp 10.EL device 10 has two plane electrodes, electrode 11 and back electrode 12 before being called, and the distance that their each intervals are certain is arranged.Between described electrode 11 and 12, dielectric 13 is set.When the electrode 11 and 12 to EL device 10 applied operating voltage, described dielectric 13 can be luminous.Rear side at EL device 10 deposits the cover layer made from insulating material 14.
Making between this haplophase, at first make electroluminescent device 20.In first production stage, provide film 2.This means that film 2 is initially with its undeformed form, the form that just is essentially the plane exists.Subsequently, described film 2 is accurately said in addition as the carrier (carrier) in the El element 20, also is used as the carrier of EL device 10.The rear side of film 2 or dorsal part are provided with one or more figures 9 by for example printing.In further production stage, first electrode of EL device 10, just before electrode 11, be installed in the rear side of figure 9, and on the zone that is not capped between the film 2 rear side graphic elements 8.This also can realize with the method for own known (known per se).When this method of selection, must carefully stick to as far as possible well on the film 2 with electrode 11 before guaranteeing.And the material of preceding electrode 11 must not only can conduct electricity but also be transparent or translucent at least.Before the material of electrode 11 can be inorganic or the organic group electric conducting material, for example Baytron and/or polyaniline and/or polypyrrole, it is modified with the high-flexibility adhesive, for example based on PU, PMMA, PVA.
At last, the Free Surface at described dielectric layer 13 just deposits the 3rd layer on the rear surface, this described layer formation back electrode 12.The material of described back electrode 12 can be inorganic or the organic group electric conducting material, for example Baytron and/or polyaniline and/or polypyrrole, and it is modified with the high-flexibility adhesive, for example based on PU, PMMA, PVA.In order to improve conductivity, the material of described layer 12 can add silver or carbon, and/or augments the layer of being made by these materials.
At last, the rear side to EL device 10 provides cover layer 14.
Because the subsequent treatment of this electroluminescent device 20, it is very important that each layer of el light emitting device 10 is also adhered as far as possible well each other.The above-mentioned composition of each layer of 11-14 not only guarantees the firm each other adhesion of described layer, and the extensibility (expansibility) of the described layer that can not obtain before guaranteeing.
To electroluminescent device 20, wherein EL device 10 adheres on the film 2 securely now, carries out hot forming, mold pressing (embossed), hollow mold pressing (hollow-embossed), solid molded (Fig. 2 and 4) such as (solid-embossed).In addition, the electroluminescent device 20 that forms by this way can also have lifting (elevation) 3 and depression 4 (Fig. 2).These parts 3 of El element 20 and 4 thickness and the electroluminescent device 20 not thickness of crushed element 5 (Fig. 2) are substantially the same.
Between the described deformation phases of electroluminescent device 20, even may in electroluminescent device 20, obtain the function of electroluminescent device 20 is not had the perforation of adverse effect.Fig. 4 has shown the vertical section in 20 1 zones of El element, and it has this kind perforation 110.Described perforation 110 has circular contour, and described profile adjoins (adjoined) mutually by the extension (extension) 201 that is short pipe fitting (short tubular piece) form.The end face 29 of the wall 111 of described extension 201 or a plurality of wall and electroluminescent device 20 is almost right angle α.
Dielectric 13 constitutes with the electrode 11 of El element 20 compares relative thick layer with 12.
This dielectric layer 13 can comprise a plurality of layers stacked on top of each other.The appropriate section of El element 20 transition portions 6 is shown in Figure 10 greatly enlargedly.
The bottom margin 115 of extension 201 is idle (free).Because (extraordinary) adhesion that each layer of electroluminescent device 20 is unusual each other, mention, and because its high scalability, the hot forming part 201 of electroluminescent device 20 also can keep its prototype structure or be present in structure in the front area 103.Thereby, the light that the cylinder inner region 111 of described extension 201 also can radiation be produced by el light emitting device 10.
In this embodiment of the invention, the free end portion 115 of extension 201 might be set as follows, promptly electrode 11 and 12 does not arrive cut edge 115.Preceding electrode 11 and back electrode 12 are all in 115 a distance end from the cut edge.On the contrary, cover layer 14 and dielectric layer 13 all reach 115 zones, cut edge.In addition, this also has comparatively safe advantage, and the electrode 11 that promptly is in relative high potential can not contact with 12, and the insulating material of cap rock 14 covers because their free terminal all is covered at least.And the layer 13 and 14 that reaches cut edge 115 prevents that moisture (moisture) from penetrating into the possibility in space between electroluminescent device 20 each layers.
After the hot forming, main body 1 is arranged on the rear side of electroluminescent device 20.This can be realized at the material of electroluminescent device 20 back by for example being suitable for being injected into molded (injection-molded).Some materials that are suitable for this are mentioned in the above.Fig. 5 has shown by the vertical section according to the thin portion in unit that wherein is furnished with depression of Fig. 2, accurately says, has arranged that with main body 1 appropriate section of pipe fitting form extension 201 combines.Be appreciated that the material of main part 1 is arranged on the outside of extension 115 when carrying out injection molding in the back.
Fig. 6 has shown mould 30, wherein can be by carrying out the unit shown in injection molding production Fig. 1 and 2 in the back of electroluminescent device 20.Described mould 30 has lower member 31 and upper-part 32, and it is fitted to each other and is operated as follows, and for example, when described mould 30 opened and closed, they can rotate or relative to each other displacement point-blank in a manner known way.First die insert (die insert) 33 is positioned at the lower member 31 of mould, and second die insert 34 is positioned at the upper-part 32 of mould.The profile (course) and the display unit of the cavity surface in each die insert 33 or 34 treats that the expectation surface profile of a side of die casting is consistent in addition by corresponding die insert 33 or 34.In the lower member 31 of mould, make raceway groove 37, will wait to flow into material in the mould cavity by this raceway groove and be incorporated in the mould 30 and distribute therein.
The surface profile of film 2 has been got in touch Fig. 2 and has been illustrated.Cavity surface profile in the top die insert 34 must be consistent with the profile of film 2 front areas or outer surface.Same requirement correspondingly is applied to the cavity surface form of dip mold insert 33.Here should primarily note two ledges 38 and 39, it is arranged at a certain distance each other and is outstanding from the cavity surface of dip mold insert 33.Described ledge 38 and 39 height are selected as follows, promptly carry out in the back during injection molding handles, and described ledge 38 and 39 end face are exerted pressure to the rear side of El element 20.As a result, two raceway grooves 38 and 39 maintenance hollow (free) in this zone of main body 1, the use of described raceway groove is illustrated below.
The power supply of having mentioned 15 comprises electronic unit, i.e. inverter (converter) 16, and it changes low relatively for example 12V dc voltage into operation EL device 10 required high relatively AC voltage.In example was shown, described inverter 16 was incorporated in the cavity 7 of the main body of having mentioned 1, and was fixed on the appropriate location under for example chuck 44 auxiliary.On the contrary, inverter 16 can be partly to be incorporated in the main body 1 of display unit or it can be used as a unit that is independent of display unit and exists.
Equally mentioned, contact stud 17 and 18 back side-prominent from inverter 16, and can partly protrude in the material of main body 1.For example a kind of dc voltage source electrode of storage battery (not shown) can be connected with 18 parts with the post that protrudes in main body 1 (pin) 17.Operation electroluminescent device 20 required voltages can be 110V/400Hz, and are connected with electroluminescent device 20 with 22 by contact device 21.(Fig. 7,8 and 9)
First described contact device 21 contacts with the back electrode 12 of EL lamp 10.Second contact device 22 contacts with the preceding electrode 11 of EL lamp 10.First described contact device 21 is positioned at first raceway groove 38 of main part 1.Second contact device 22 is positioned at second raceway groove 39 of main part 1.In example was shown, each contact device 21 or 22 comprised spring, helical spring 210 or 220 respectively.Spring 210 and 220 pushes the corresponding conduction output point 211 of inverter 16 and an end of 221 respectively.The material of the back electrode 12 of the other end extruding EL device 10 of the spring 210 of first contact device 21.The material of the preceding electrode 11 of the other end extruding EL device 10 of the spring 220 of second contact device 22.
Layout shown in Fig. 7 relates to following situation, and promptly contact device 21 and 22 is arranged in the zone of following EL lamp 10, i.e. the electrode 11 and 12 of EL lamp 10 (lieabove one another) not stacked on top of each other.In the marginal portion 42 of EL lamp 10 shown in Figure 7, be like this for example.In described marginal portion 42, the distance at the edge 42 of the edge of back electrode 12 and EL lamp 10 greater than with the distance at the edge of preceding electrode 11.Have only coated electrode 14 can arrive the edge 42 of EL lamp 10, described electrode is made with insulating material.
If obtain the electrode 11 of EL lamps 10 and 12 contact by the power supply in EL lamp 10 interior zones 15, wherein electrode 11 and 12 is stacked on top of each other, and the opening that is used for passage 43 of the contact device 22 that contact with preceding electrode 11 must be in manufacturing in 12 layers of the back electrodes so.Opening 43 in the back electrode 12 must be enough big, so that described contact device 22 does not contact with back electrode 12.For this reason, if the opening 43 in the back electrode 12 is enough big so that can prevent that the spring 220 of the contact device 22 of preceding electrode 11 from contacting with back electrode 12, then enough usually.
By carrying out in electroluminescent device 20 back after injection molding produces display unit main part 1, electroluminescent device 20 adheres on the main body 1.The power supply 15 that to mention then is inserted in the cavity 7 of main body 1, accurately says, makes contact device 21 and 22 be positioned at the raceway groove 38 and 39 of main body 1.Then power supply 16 is pressed in the cavity 7, the front end up to spring 210 and 220 pushes the conductive layer of el light emitting device 10 respective electrode 12 and 13 respectively.Afterwards, power supply 15 also is fixed on this position, this can realize by for example suitable bonding or analog.
Fig. 8 has shown about how power supply 15 being arranged on another the possible example in the main body 1.In this example, the major part of power supply 15 is incorporated in the main body 1.In order to produce this layout, used plane adapter (areal adapter piece) 46.In described adapter 46, the raceway groove 48 and 49 that extends perpendicular to adapter 46 main region is arranged.A big zone of adapter 46 is bonded on the cover layer 14 of EL lamp 10.As follows power supply 15 is arranged on the adapter 46 then, promptly as follows by a raceway groove 48 or 49, the front end of its medi-spring pushes the respective electrode 11 or 12 of EL lamp 10 respectively to each spring 38 of power supply 15 or 39 respectively.The front side of inverter 16 is bonded on the big zone of adapter 46 away from EL lamp 10.So the semi-finished product of preparation can be inserted in the mould 30, thereby at the material of its back injection molding main body 1.The lower member 31 of mould 30 is shaped as the material that makes main body 1 and also is positioned at the back of inverter 16, and has only post 17 and 18 parts to protrude in the described material of main body 1, can apply the dc voltage of having mentioned on post 17 and 18.
Display unit comprises main body 1 and El element 20.Described electroluminescent device 20 comprises film 2 and el light emitting device 10, and they form an integral body jointly.Film 2 is provided with figure to be shown 9 in the face of the zone of el light emitting device 10.Electrode 11 and back electrode 12 were provided with dielectric 13 before el light emitting device 10 comprised between the electrode.Preceding electrode 11 is arranged on the layer of rendering graphical 9, and constitutes one with described layer.Be arranged in the zone of electroluminescent device 20 with the electrode 11 and the 12 contacted power supplys 15 of electroluminescent device 20.
Claims (10)
1. three-dimensional electroluminescence display, have transparent forward part (2) and be positioned at the el light emitting device (10) of forward part back, it is characterized in that, at least each layer of electroluminescent device (20) assembling mutually as follows, promptly these layers can bear the height bending of el light emitting device (10) and not damage.
2. the display of claim 1 is characterized in that, el light emitting device (10) has two plane electrodes (11,12), its at a distance from each other, dielectric (13) is positioned at described electrode (11,12) between, if to electrode application voltage, described dielectric can cause luminous.
3. the display of claim 1 is characterized in that, forward part (2) realizes as a film, wherein on the big zone in back or rear portion of film (2) figure (9) is set, and the preceding electrode (11) of el light emitting device (10) is arranged on the graph layer (9).
4. the display of claim 2 is characterized in that, the outside big zone of the back electrode (12) of el light emitting device (10) is provided with cover layer (14).
5. the display of claim 1 is characterized in that, a main body (1) is arranged on the outside big zone of electroluminescent device (20).
6. the display of claim 5, it is characterized in that, this main body (1) is provided with at least one depression, described depression has the sidewall of the front area perpendicular of at least one and main body (1), and the el light emitting device (10) that is arranged at main body (1) antetheca extends in depression with an appropriate section, and the described part of el light emitting device (10) is pushed the sidewall of this depression.
7. the display of claim 1, it is characterized in that, be provided with the inverter (16) that dc voltage can be changed into AC voltage, the output of wherein said inverter is connected with el light emitting device (10), and inverter (16) can partly be incorporated in the material of main body (1) of display unit at least.
8. method that is used to make the display of claim 1, it is characterized in that, the film that is essentially the plane (2) is provided, be provided with figure (9) in the big zone of one of them of described film, and el light emitting device (10) is arranged on the film (2) as follows, and the preceding electrode (11) of promptly described electroluminescent device (20) is positioned at a side that is provided with figure (9) of film (2).
9. the method for claim 8 is characterized in that, electroluminescent device (20) is by hot forming.
10. the method for claim 9 is characterized in that, hot formed electroluminescent device (20) has the plastics at its back injection molding.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH19652001 | 2001-10-24 | ||
| CH1965/01 | 2001-10-24 | ||
| CH20052001A CH695623A5 (en) | 2001-11-02 | 2001-11-02 | Three-dimensional electroluminescent display has at least layers of electroluminescence device connected to each other to protrude beyond severe arrangement curvature without problems |
| CH2005/01 | 2001-11-02 | ||
| PCT/CH2002/000579 WO2003037039A1 (en) | 2001-10-24 | 2002-10-24 | Three-dimensional electroluminescence display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1701640A true CN1701640A (en) | 2005-11-23 |
| CN1701640B CN1701640B (en) | 2010-05-12 |
Family
ID=34558438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02821062.XA Expired - Fee Related CN1701640B (en) | 2001-10-24 | 2002-10-24 | Three-dimensional electroluminescence display |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1701640B (en) |
| UA (1) | UA77443C2 (en) |
| ZA (1) | ZA200403061B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623080A (en) * | 2012-04-16 | 2012-08-01 | 上海交通大学 | Transparent conductive film based on solution method/printing coating process and preparation method thereof |
| CN112331792A (en) * | 2020-10-19 | 2021-02-05 | 浙江大学 | Light-emitting device based on polypyrrole conductive layer for flexible display screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0678216B1 (en) * | 1992-12-16 | 2003-03-19 | Durel Corporation | Electroluminescent lamp devices and their manufacture |
| US5780965A (en) * | 1993-12-09 | 1998-07-14 | Key Plastics, Inc. | Three dimensional electroluminescent display |
| KR100392212B1 (en) * | 1995-03-30 | 2003-07-23 | 마쯔시다덴기산교 가부시키가이샤 | El sheet diaphragm and switch using the same |
| CN2275673Y (en) * | 1995-08-01 | 1998-03-04 | 北京市古潮白实业公司 | Bendable electroluminescence area source |
| US5856030A (en) * | 1996-12-30 | 1999-01-05 | E.L. Specialists, Inc. | Elastomeric electroluminescent lamp |
| CN100381017C (en) * | 1998-10-15 | 2008-04-09 | 奥利安科技公司 | Method for making elastic EL lamp |
-
2002
- 2002-10-24 UA UA20040403065A patent/UA77443C2/en unknown
- 2002-10-24 CN CN02821062.XA patent/CN1701640B/en not_active Expired - Fee Related
-
2004
- 2004-04-22 ZA ZA200403061A patent/ZA200403061B/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623080A (en) * | 2012-04-16 | 2012-08-01 | 上海交通大学 | Transparent conductive film based on solution method/printing coating process and preparation method thereof |
| CN112331792A (en) * | 2020-10-19 | 2021-02-05 | 浙江大学 | Light-emitting device based on polypyrrole conductive layer for flexible display screen |
| CN112331792B (en) * | 2020-10-19 | 2021-12-10 | 浙江大学 | Light-emitting device based on polypyrrole conductive layer for flexible display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200403061B (en) | 2004-10-29 |
| UA77443C2 (en) | 2006-12-15 |
| CN1701640B (en) | 2010-05-12 |
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