CN1617191A - Double surface display device - Google Patents
Double surface display device Download PDFInfo
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- CN1617191A CN1617191A CNA2003101143216A CN200310114321A CN1617191A CN 1617191 A CN1617191 A CN 1617191A CN A2003101143216 A CNA2003101143216 A CN A2003101143216A CN 200310114321 A CN200310114321 A CN 200310114321A CN 1617191 A CN1617191 A CN 1617191A
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- side display
- transparency carrier
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Abstract
The double-sided display device includes one transparent substrate, one first electrode, one second electrode, at least one organic functional layer, one sealing element and one image converting module. The first electrode is formed on the transparent substrate, the second electrode is formed on the first one, the organic functional layer is located between the first electrode and the second electrode, the sealing element is adhered with the transparent substrate, and the image converting module is connected electrically to the first electrode and the second electrode.
Description
Technical field
The present invention refers in particular to a kind of double-side display device about a kind of display device.
Background technology
In recent years, because electronic installation is light, thin, short, little day by day, make the flat-panel screens benefit show important.Simultaneously, because the form of electronic installation is tending towards variation, has one of main characteristic of the new especially electronic product from generation to generation of double-side display device of abundant information.
In mobile phone, double-side display device uses as main panel and inferior panel, for example, in the shell type mobile phone, when the user raised protecgulum use mobile phone, what seen was the shown information of key frame, as incoming call number and caller's basic document; And when the closed protecgulum of user did not use mobile phone, the user can read other information from subframe, as local time or the like.Certainly, for increasing user's convenience, inferior panel also can show the information identical with main panel, that is when the people sent a telegram here, the user can directly be read caller's phone and basic document by inferior panel, do not read from main panel and need not open protecgulum.
At present, the double-side display device that industry is produced forms two single face display panels (as display panels or organic electroluminescence panel) to subsides, as shown in Figure 1, double-side display device 3 comprises one first display panel 31 and one second display panel 32, wherein, first display panel 31 has a transparency carrier 311, one first electrode 312, one luminous zone 313, one second electrode 314 and a cover plate 315, luminous zone 313 is between first electrode 312 and second electrode 314, first electrode 312 is formed on the transparency carrier 311, and cover plate 315 utilization is sticked together sticker and invested on the transparency carrier 311; In addition, second display panel 32 also has a transparency carrier 321, a third electrode 322, a luminous zone 323, one the 4th electrode 324 and a cover plate 325, luminous zone 323 is between third electrode 322 and the 4th electrode 324, third electrode 322 is formed on the transparency carrier 321, and cover plate 325 utilization is sticked together sticker and invested on the transparency carrier 321.In this, the cover plate 315 of first display panel 31 and 325 pairs of subsides of the cover plate of second display panel 32 are to form double-side display device 3.Yet, having two cover plates and two transparency carriers in the double-side display device 3, not only whole device volume is big, thickness is thicker, and weight is also heavier, and does not meet light, thin, short, the little trend of electronic installation.
In addition, the bright organic light-emitting display device 4 of full impregnated also can be regarded double-side display device, as shown in Figure 2, the bright organic light-emitting display device 4 of full impregnated has a transparency carrier 41, one first electrode 42, one organic functional layer 43, one second electrode 44 and a cover plate 45, first electrode 42 is formed on the transparency carrier 41, second electrode 44 is formed on first electrode 42, organic functional layer 43 is between first electrode 42 and second electrode 44, and cover plate 45 utilization is sticked together sticker and is invested on the transparency carrier 41, wherein, first electrode 42 and second electrode 44 are all transparency material, and the light that makes organic functional layer 43 be produced can (direction A and direction B) penetrate simultaneously from both sides.
Yet though the bright organic light-emitting display device 4 of full impregnated can be launched the light of both direction, the shown image of direction B only is the mirror image image of direction A, and can't be at that time use situation and adjust the orientation of image.For example, when the shown picture of direction A (as shown in Figure 3A) is when numeral, the picture of seeing from direction B is the image shown in Fig. 3 B, in the practical operation and not convenient.
Simultaneously; when bright organic light-emitting display device 4 double-sides of full impregnated; the groove that can not have the coating deicer on the cover plate 45 stops the demonstration of image to avoid cover plate 45, so the bright organic light-emitting display device 4 of full impregnated is general also not good in the following life-span of situation and the brightness of no deicer protection.
The inventor whence originally in the spirit of positive invention, is urgently thought a kind of " double-side display device " because of in this, and several times research experiment is eventually to the invention of finishing this Jiahui common people.
Summary of the invention
The purpose of this invention is to provide a kind of light, thin, short, little double-side display device, more can adjust the azimuth configuration of show image simultaneously.
For reaching above-mentioned purpose,, comprise a transparency carrier, one first electrode, one second electrode, at least one organic functional layer, an involution element and a video conversion module according to a kind of double-side display device of the present invention.Wherein, first electrode is formed on the transparency carrier; Second electrode is formed on first electrode; The organic functional layer is between first electrode and second electrode; The involution element sticks together glue with one and engages with transparency carrier; The video conversion module is electrically connected on first electrode and second electrode respectively.
For reaching above-mentioned purpose,, comprise a transparency carrier, one first electrode, one second electrode, at least one organic functional layer, an involution element and a video conversion module according to a kind of double-side display device of the present invention.Wherein, first electrode is formed on the transparency carrier; Second electrode is formed on first electrode; The organic functional layer is between first electrode and second electrode; The involution element sticks together glue with one and engages with transparency carrier, sticks together glue and is doped with a plurality of decorating films; The video conversion module is electrically connected on first electrode and second electrode respectively.
From the above, double-side display device of the present invention adds a video conversion module in the bright organic light-emitting display device of full impregnated, uses the orientation of control show image.Compared with prior art, double-side display device of the present invention can be according to using situation to adjust the image direction of demonstration, not only increase the using value of the bright organic light-emitting display device of original full impregnated, more increased the convenient degree of user's operation, very suitable for actualsization.In addition, the present invention only need use single transparent substrate and single cover plate, and not only the thinner thickness of whole device, weight are lighter, more can shorten the time of processing procedure and the production cost that reduces device, also can improve the volume production rate of overall process.Moreover, the glue that sticks together of the present invention is doped with decorating film, not only increase extraneous aqueous vapor and oxygen the evolving path and diffusion time in sticking together glue, use the serviceable life and the degree of stability of lift elements, damaged organic illuminating element (organic functional layer) in the time of more can avoiding involution.Again because, decorating film can be controlled the pressing distance between transparency carrier and the cover plate, and an accommodation space that be provided with to remove water unit more can be provided in device.
Description of drawings
Fig. 1 is a synoptic diagram of existing double-side display device;
Fig. 2 is a synoptic diagram of the bright organic light-emitting display device of existing full impregnated;
Fig. 3 A is a synoptic diagram of direction A display frame;
Fig. 3 B is a synoptic diagram of direction B display frame;
Fig. 4 is a synoptic diagram of the double-side display device of first embodiment of the invention;
Fig. 5 A and Fig. 5 B are one group of synoptic diagram of the concrete enforcement among Fig. 4; And
Fig. 6 is a synoptic diagram of the double-side display device of second embodiment of the invention.
Symbol description among the figure
1 flat-panel display device
11 transparency carriers
12 first electrodes
13 second electrodes
14 organic functional layers
15 involution elements
16 video conversion modules
161 detecting devices
162 image controllers
17 stick together glue
18 remove water unit
19 reflection horizon
2 flat-panel display devices
21 transparency carriers
22 first electrodes
23 second electrodes
24 organic functional layers
25 involution elements
26 video conversion modules
3 flat-panel display devices
31 first display panels
311 transparency carriers
312 first electrodes
313 luminous zones
314 second electrodes
315 cover plates
32 second display panels
321 transparency carriers
322 third electrodes
323 luminous zones
324 the 4th electrodes
325 cover plates
The bright organic light-emitting display device of 4 full impregnateds
41 transparency carriers
42 first electrodes
43 organic functional layers
44 second electrodes
45 cover plates
Embodiment
Hereinafter with reference to relevant drawings, the double-side display device according to preferred embodiment of the present invention is described.
As shown in Figure 4, according to the double-side display device 1 of first embodiment of the invention, comprise a transparency carrier 11, one first electrode 12, one second electrode 13, at least one organic functional layer 14, an involution element 15 and a video conversion module 16.Wherein, first electrode 12 is formed on the transparency carrier 11; Second electrode 13 is formed on first electrode 12; Organic functional layer 14 is between first electrode 12 and second electrode 13; Involution element 15 sticks together glue 17 with one and engages with transparency carrier 11; Video conversion module 16 is electrically connected on first electrode 12 and second electrode 13 respectively.
In present embodiment, transparency carrier 11 can be flexible (flexible) substrate or rigidity (rigid) substrate.In addition, transparency carrier 11 can also be plastics (plastic) substrate or glass substrate or the like.Wherein, flexible base, board and plastic base can be polycarbonate (polycarbonate, PC) substrate, polyester (polyester, PET) substrate, cyclenes copolymer (cyclic olefin copolymer, COC) substrate or crome metal compound base material-cyclenes copolymer (metallocene-based cyclic olefin copolymer, mCOC) substrate.
In present embodiment, first electrode 12 utilizes sputter (sputtering) mode or ion plating (ion plating) mode is formed on the transparency carrier 11.At this, first electrode 12 is generally a transparent conductive metal oxide as anode and its material usually, for example tin indium oxide (ITO), aluminum zinc oxide (AZO) or indium zinc oxide (IZO).
In addition, organic functional layer 14 comprises an electric hole input horizon, an electric hole transfer layer, a luminescent layer, an electron transfer layer and an electron injecting layer (not shown) usually.Organic functional layer 14 utilizes evaporation (evaporation), rotary coating (spin coating), ink jet printing (ink jet printing) or printing modes such as (printing) to be formed on first electrode 12.In addition, the light launched of organic functional layer 14 can be blue light, green glow, ruddiness, white light, other monochromatic light or the colorama that is combined into of monochromatic light.
In addition, please refer to Fig. 4 again, second electrode 13 is positioned on the organic functional layer 14.In this, second electrode 13 uses evaporation or sputter methods such as (sputtering) is formed on the organic functional layer 14.In addition, the material of second electrode 13 can be selected from but not be defined as aluminium (Al), calcium (Ca), magnesium (Mg), indium (In), tin (Sn), manganese (Mn), silver (Ag), gold (Au) and contain the alloy (for example magnesium silver (Mg:Ag) alloy, magnesium indium (Mg:In) alloy, magnesium tin (Mg:Sn) alloy, magnesium antimony (Mg:Sb) alloy and magnesium tellurium (Mg:Te) alloy) etc. of magnesium, and the thickness of second electrode 13 is approximately less than 10nm.
Certainly, second electrode 13 can also be the composite film of the metal oxide of metal and conduction, wherein the metal alloy that is selected from aluminium, calcium, magnesium, indium, tin, manganese, silver, gold and contains magnesium at least one of them, and the material of the metal oxide of conduction be selected from tin indium oxide, aluminum zinc oxide and indium zinc oxide at least one of them.
In addition, second electrode 13 also can be the composite film of the metal oxide of organic semiconductor and conduction, wherein organic semiconductor comprises the molecular structure of phthalein green grass or young crops (phthalocyanine) or coffee based compound (polyacene), and the material of metal oxide of conduction be selected from tin indium oxide, aluminum zinc oxide and indium zinc oxide at least one of them.
In present embodiment, because first electrode 12 and second electrode 13 light-permeable all, be that the light of being launched with organic functional layer 14 can be simultaneously from direction C and direction D ejaculation.Below, the shown picture of direction C is called first display surface, and the shown picture of direction D is called second display surface.
Please refer to Fig. 4 again, the involution element 15 of present embodiment engages with transparency carrier 11 to stick together glue 17.In this, involution element 15 can be a cover plate.Because organic functional layer 14 (organic illuminating element) is for the unusual sensitivity of moisture and oxygen, be easy to generate dim spot (Dark Spot) after atmosphere contacts, add upper cover plate 15 thus and can avoid organic functional layer 14 to be subjected to the influence of moisture and oxygen.
In addition, the glue 17 that sticks together of present embodiment is light binding (for example ultraviolet light photopolymerization glue), in this, sticks together glue 17 to be doped with a plurality of decorating films, and decorating film is glass fibre or glass bead or the like.Certainly, sticking together glue 17 can also be hot-setting adhesive.
In present embodiment, stick together glue 17 doping decorating films in order to increase in the external environment aqueous vapor and the evolving path and the diffusion time of oxygen in sticking together glue 17, can promote the serviceable life and the degree of stability of integral member.In addition, stick together the also pressing distance of may command transparency carrier 11 and involution element 15 of decorating film in the glue 17, damaged organic illuminating element (first electrode 12, second electrode 13 and organic functional layer 14) except can avoid involution the time, more can be formed with an accommodation space and remove water unit to place.
Please refer to Fig. 4 again, video conversion module 16 is electrically connected on first electrode 12 and second electrode 13 respectively, and wherein, video conversion module 16 comprises a detecting device 161 and an image controller 162.In present embodiment, detecting device 161 detects present operating position, and simultaneously detected signal is sent in the image controller 162, again by image controller 162 control first display surface or the image display orientations of second display surface.
Particularly, when double-side display device 1 is applied in the shell type mobile phone, can be used as main panel (first display surface) and inferior panel (second display surface) and uses.Shown in Fig. 5 A, when the user raised protecgulum use mobile phone, what seen was the shown information of first display surface, as incoming call number; Shown in Fig. 5 B, when the closed protecgulum of user did not use mobile phone, the user also can read the information of key frame from subframe.In this, detecting device 161 detects the user mode (as raising or closure) of present mobile phone, and detected signal is sent in the image controller 162, control the image display direction of first display surfaces or second display surface again by image controller 162, also be about to the orientation that image data changes into the forward user, avoid taking place the problem of putting upside down as image in the prior art.
More can comprise a reflection horizon 11 times in transparency carrier, for example reflection horizon 19 is arranged on the surface of electronic installation key-side of Fig. 5 A, shown in Fig. 5 B, when user's closure protecgulum, by reflection horizon 19 with double-side display device of the present invention inwardly the light reflection of emission outwards hold to the user, make the user more clear bright, improve the utilization ratio of light from the information that subframe reads.
Moreover, the double-side display device 1 of present embodiment more comprises one and removes water unit 18, in its accommodation space between transparency carrier 11 and involution element 15, in this, remove water unit 18 and can be drying agent (baryta for example, BaO), it is also in order to remove the aqueous vapor of double-side display device 1 behind the involution, to increase the serviceable life of element.
In addition, the double-side display device 1 of present embodiment more comprises one drive circuit (not being shown among the figure), this driving circuit can be passive type driving circuit or active driving circuit, and it is connected with second electrode 13 and power supply (not being shown among the figure) with first electrode 12.
Please refer to Fig. 6 again,, comprise a transparency carrier 21, one first electrode 22, one second electrode 23, at least one organic functional layer 24, an involution element 25 and a video conversion module 26 according to the double-side display device 2 of second embodiment of the invention.Wherein, first electrode 22 is formed on the transparency carrier 21; Second electrode 23 is formed on first electrode 22; Organic functional layer 24 is between first electrode 22 and second electrode 23; Involution element 25 sticks together glue 27 with one and engages with transparency carrier 21, sticks together glue 27 and is doped with a plurality of decorating films; Video conversion module 26 is electrically connected on first electrode 22 and second electrode 23 respectively.
The double-side display device 2 of present embodiment more comprises one and removes water unit 28 and one drive circuit (not being shown among the figure), and it is identical with similar elements among first embodiment, also repeats no more at this.
Double-side display device of the present invention adds a video conversion module in the bright organic light-emitting display device of full impregnated, use the orientation of control show image.Compared with prior art, double-side display device of the present invention can be according to using situation to adjust the image direction of demonstration, not only increase the using value of the bright organic light-emitting display device of original full impregnated, more increased the convenient degree of user's operation, very suitable for actualsization.In addition, the present invention only need use single transparent substrate and single cover plate, and not only the thinner thickness of whole device, weight are lighter, more can shorten the time of processing procedure and the production cost that reduces device, also can improve the volume production rate of overall process.Moreover, the glue that sticks together of the present invention is doped with decorating film, not only increase extraneous aqueous vapor and oxygen the evolving path and diffusion time in sticking together glue, use the serviceable life and the degree of stability of lift elements, damaged organic illuminating element (organic functional layer) in the time of more can avoiding involution.Again, decorating film can be controlled the pressing distance between transparency carrier and the cover plate, more can provide one the accommodation space that removes water unit is set in device.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim its equivalent modifications of carrying out or change.
Claims (21)
1. double-side display device, comprise a transparency carrier, one first electrode, one second electrode, at least one organic functional layer and an involution element, first electrode is formed on the transparency carrier, second electrode is formed on first electrode, the organic functional layer is between first electrode and second electrode, the involution element sticks together glue with one and engages with transparency carrier, it is characterized in that:
Double-side display device has a video conversion module, and the video conversion module is electrically connected on first electrode and second electrode respectively.
2. double-side display device as claimed in claim 1, wherein the material of first electrode is the metal oxide of conduction.
3. double-side display device as claimed in claim 1, wherein the thickness of second electrode is approximately less than 10nm.
4. double-side display device as claimed in claim 1, wherein the material of second electrode alloy that is selected from aluminium, calcium, magnesium, indium, tin, manganese, silver, gold and contains magnesium at least one of them.
5. double-side display device as claimed in claim 1, wherein second electrode is the composite film of the metal oxide of metal and conduction.
6. double-side display device as claimed in claim 1, wherein second electrode is the composite film of the metal oxide of organic semiconductor and conduction.
7. double-side display device as claimed in claim 6, wherein organic semiconductor comprises the molecular structure of phthalein green grass or young crops or coffee based compound.
8. double-side display device as claimed in claim 1 wherein sticks together glue and is doped with a plurality of decorating films.
9. double-side display device as claimed in claim 8, wherein decorating film is glass fibre or glass bead.
10. double-side display device as claimed in claim 1, wherein the video conversion module comprises a detecting device and an image controller.
11. double-side display device as claimed in claim 1 wherein more comprises a reflection horizon under the transparency carrier.
12. a double-side display device comprises:
One transparency carrier;
One first electrode, it is formed on the transparency carrier;
One second electrode, it is formed on first electrode;
At least one organic functional layer, it is between first electrode and second electrode;
One involution element, it sticks together glue with one and engages with transparency carrier, sticks together glue and is doped with a plurality of decorating films; And
One video conversion module, it is electrically connected on first electrode and second electrode respectively.
13. double-side display device as claimed in claim 12, wherein the material of first electrode is the metal oxide of conduction.
14. double-side display device as claimed in claim 12, wherein the thickness of second electrode is approximately less than 10nm.
15. double-side display device as claimed in claim 12, wherein the material of second electrode alloy that is selected from aluminium, calcium, magnesium, indium, tin, manganese, silver, gold and contains magnesium at least one of them.
16. double-side display device as claimed in claim 12, wherein second electrode is the composite film of the metal oxide of metal and conduction.
17. double-side display device as claimed in claim 12, wherein second electrode is the composite film of the metal oxide of organic semiconductor and conduction.
18. double-side display device as claimed in claim 17, wherein organic semiconductor comprises the molecular structure of phthalein green grass or young crops or coffee based compound.
19. double-side display device as claimed in claim 12, wherein decorating film is glass fibre or glass bead.
20. double-side display device as claimed in claim 12, wherein the video conversion module comprises a detecting device and an image controller.
21. double-side display device as claimed in claim 12 wherein more comprises a reflection horizon under the transparency carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101143216A CN1617191A (en) | 2003-11-12 | 2003-11-12 | Double surface display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101143216A CN1617191A (en) | 2003-11-12 | 2003-11-12 | Double surface display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1617191A true CN1617191A (en) | 2005-05-18 |
Family
ID=34760165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101143216A Pending CN1617191A (en) | 2003-11-12 | 2003-11-12 | Double surface display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1617191A (en) |
-
2003
- 2003-11-12 CN CNA2003101143216A patent/CN1617191A/en active Pending
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