CN100553388C - Double-faced organic luminous display device - Google Patents
Double-faced organic luminous display device Download PDFInfo
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- CN100553388C CN100553388C CNB2006100828008A CN200610082800A CN100553388C CN 100553388 C CN100553388 C CN 100553388C CN B2006100828008 A CNB2006100828008 A CN B2006100828008A CN 200610082800 A CN200610082800 A CN 200610082800A CN 100553388 C CN100553388 C CN 100553388C
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Abstract
The present invention relates to a kind of double-faced organic luminous display device, described display unit comprises first display element and second display element, and this first display element and this second display element subtend setting are also luminous in the opposite direction.This first display element and this second display element comprise separately: substrate, be formed at organic illuminating element on this substrate, cover the resilient coating of this organic illuminating element and be formed at water accepting layer on this resilient coating.This double-faced organic luminous display device also comprises the packaging plastic between the substrate that is arranged on this first display element and this second display element, and this packaging plastic and substrate define interior zone, and wherein, this water entry is in this interior zone.
Description
Technical field
The present invention relates to a kind of double-side display device, particularly relate to a kind of double-faced organic luminous display device.
Background technology
LCD (liquid crystal display, LCD) reaches use one of flat-panel screens more widely more fully for development at present.Yet, because it is narrow that LCD has a visual angle, the signal reaction time slowly, and non-ly possess shortcoming such as self-emitting light source, therefore, make LCD can't show (switching) image fast, and essential additive decrementation electric power has limited to its usefulness greatly to supply with backlight, causes it to still have many restrictions on using.Moreover the technology of large-scale panel of LCD is very difficult.
For further meeting the demand of market to two-d display panel, organic electro-luminescent display (Organic electro luminescent display panel, OELD) is developed by industry, in the hope of replacing traditional LCD.Different with LCD, the included organic light-emitting diode pixel array of organic electro-luminescent display has self luminous characteristic, therefore need not add backlight.And it has advantages such as the luminous feature of face, high-luminous-efficiency, wide viewing angle and low driving voltage, meets next demand of flat-panel screens from generation to generation.
Along with the progress of message transmission and the evolution of electronic product, constantly research and develop improvement except reaction speed, resolution and image quality each side at display, more pursue the breakthrough on function or the display mode.Therefore, increase day by day for the demand that double screen display (Dual display) is applied to portable electric product, as folding mobile phone, personal digital assistant and mobile computer etc.Double screen not only can extend image spacing, makes the visual field broad more, also can switch fast and the processing more work.
Therefore, the organic electro-luminescent display with double-sided display function also has very vast application demand.Yet, for traditional double screen organic electric-excitation luminescent Display Technique, mostly with two independently organic electro- luminescent display 11 and 12 be combined into one group of double screen organic electro-luminescent display 10, please refer to Fig. 1, with this independently organic electro- luminescent display 11 and 12 do the assembling of back-to-back direction.Yet because above-mentioned double screen display all needs the display floater individual package, in addition combination again adheres to each other two light-emitting devices at last at last.So, no matter all need the twice of single LCD on when cost and technology, these two kinds of double-sided display technology are general assembling all only, there is no any special advantage, except causing on the cost the burden, also lose light, thin, short, the little requirement that present electronic product is pursued.
In view of this, develop and to have two-sided (bottom and top) luminous organic light emitting apparatus light, thin, short, little characteristic, and having good involution characteristic, satisfied the demand that following flat-panel screens is used, is an important topic of present organic light emitting display technology.
Summary of the invention
In view of this, the purpose of this invention is to provide two-sided (bottom and top) organic light-emitting display device of a kind of slimming, to meet the demand in flat-panel screens market.
For reaching purpose of the present invention, this double-faced organic luminous display device comprises first display element and second display element, and this first display element and this second display element subtend setting are also luminous in the opposite direction.Wherein this first display element and this second display element comprise separately: substrate, be formed at organic illuminating element on this substrate, cover the resilient coating of this organic illuminating element and be formed at water accepting layer on this resilient coating.It should be noted that this double-faced organic luminous display device also comprises the packaging plastic between the substrate that is arranged on this first display element and this second display element, and this packaging plastic and substrate define interior zone, wherein, this water entry is in this interior zone.
For above-mentioned purpose of the present invention, feature can be become apparent, following conjunction with figs. and preferred embodiment are to illustrate in greater detail the present invention.
Description of drawings
Fig. 1 is for showing the cross-sectional view of existing two-sided organic electro-luminescent display.
Fig. 2 is for showing the profile of the described double-faced organic luminous display device of the preferred embodiments of the present invention.
Fig. 3 is for looking schematic diagram on the displayed map 2 described double-faced organic luminous display devices.
Fig. 4～7 can be a patterned rete for looking schematic diagram on the preferred embodiment of the present invention in order to this water accepting layer to be described.
The simple symbol explanation
Double screen organic electro-luminescent display～10; Organic electro-luminescent display～11,12; Two-sided organic electro-luminescent display～100; First display element～101; Second display element～102; Substrate～110; Organic illuminating element～120; Resilient coating～130; Water accepting layer～140; Packaging plastic～150; And, interior zone～160.
Embodiment
See also Fig. 2, show a preferred embodiment that meets double-faced organic luminous display device 100 of the present invention.
As figure, this double-faced organic luminous display device 100 is made of first display element 101 and second display element 102, and this first display element 101 utilizes packaging plastic 150 and these second display element, 102 involutions, and is fixed.It should be noted that this first display element 101 and these second display element, 102 subtend settings, and luminous in the opposite direction, to constitute this two-sided (bottom and top) organic light-emitting display device 100.
Still see also Fig. 2, this first display element 101 comprises separately with this second display element 102: substrate 110, organic illuminating element 120, resilient coating 130 and water accepting layer 140.This organic illuminating element 120 is formed on this substrate, this resilient coating 130 is covered on this organic illuminating element 120 fully, and this water accepting layer 140 can be a continuous rete, and is formed on this resilient coating 130.This substrate 110 is the substrate of printing opacity, and suitable material can comprise glass, quartz or the plastic base of printing opacity.This organic illuminating element 120 can be monochromatic or full-color light-emitting component, can comprise micromolecule Organic Light Emitting Diode or polymer organic LED, also can comprise active organic light-emitting diode pixel array.The effect of this resilient coating 130 is to keep apart this organic illuminating element 120 and this water accepting layer 140, is subjected to the interference of water accepting layer 140 to prevent this organic illuminating element 120.The material of this resilient coating 130 can for example be organic material or dielectric material.What deserves to be mentioned is that the material of employed water accepting layer comprises metal or metallic compound in the present invention, and utilize the mode of physics or chemical membrane directly to be formed on this resilient coating 130, maybe can utilize tradition to utilize the formed water accepting layer of laminating type.In this preferred embodiment, the present invention utilizes the material of the compound of calcic or calcic as water accepting layer, and forms with evaporation, sputter or chemical vapour deposition (CVD) mode.
See also Fig. 3, be the top view of the described double-faced organic luminous display device 100 of Fig. 2, this packaging plastic 150 is positioned on the substrate 110 of this first display element 101 and this second display element 102, and the surface of this substrate 110 is defined interior zone 160.One of major technique feature of the present invention is formed water accepting layer 140 and is arranged in this interior zone 160, and this water accepting layer 140 can not contact with this packaging plastic, does not particularly contact with this packaging plastic is overlapping.Surpass interior zone and touch packaging plastic 150 if the area of this water accepting layer 140 is too big, can make the adherence variation of packaging plastic 150 to cause first display element 101 to close admittedly with this second display element 102.
According to other preferred embodiment of the present invention, this water accepting layer 140 also can be a patterned rete.Please refer to Fig. 4～7, this water accepting layer can comprise that a plurality of strip retes (Fig. 5 and 6), a plurality of circular rete (Fig. 4) or this water accepting layer are around this organic illuminating element (Fig. 7).Because water accepting layer of the present invention is metal or metallic compound, therefore can utilize evaporation, sputter or the chemical vapour deposition (CVD) mode mask of arranging in pairs or groups to form this graphical water accepting layer 140.
Double-faced organic luminous display device of the present invention can be avoided the existing blocked up problem of double screen Display Technique plate thickness, meets the demand that present plane shows market.In addition, water accepting layer used in the present invention is in the zone that packaging plastic constituted, and the area of this water accepting layer is 50% to 100% of this interior zone area.If the area of water accepting layer is too little, can make the water absorption deficiency cause the element infringement, otherwise, surpass interior zone and touch packaging plastic if the area of this water accepting layer is too big, can make and the adherence variation of packaging plastic cause first display element to close admittedly with this second display element.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; those skilled in the art can do a little change and retouching without departing from the spirit and scope of the present invention, thus protection scope of the present invention should with accompanying Claim the person of being defined be as the criterion.
Claims (11)
1, a kind of double-faced organic luminous display device comprises:
First display element and second display element, described first display element and the described second display element subtend setting are also luminous in the opposite direction, and wherein said first display element and described second display element comprise separately:
Substrate;
Be formed at the organic illuminating element on the described substrate;
Cover the upper surface of described organic illuminating element and the resilient coating of side surface fully;
Be formed at the water accepting layer on the described resilient coating; And
Be arranged on the packaging plastic between the substrate of described first display element and described second display element, described packaging plastic and substrate define interior zone, and wherein, described water entry is in described interior zone.
2, double-faced organic luminous display device as claimed in claim 1, the material of wherein said water accepting layer comprises metal or metallic compound.
3, double-faced organic luminous display device as claimed in claim 1, the material of wherein said water accepting layer comprises the compound of calcium or calcic.
4, double-faced organic luminous display device as claimed in claim 1, wherein said water accepting layer are continuous rete.
5, double-faced organic luminous display device as claimed in claim 1, wherein said water accepting layer are patterned rete.
6, double-faced organic luminous display device as claimed in claim 5, wherein said water accepting layer comprise a plurality of strip retes.
7, double-faced organic luminous display device as claimed in claim 5, wherein said water accepting layer comprise a plurality of circular retes.
8, double-faced organic luminous display device as claimed in claim 1, wherein said water accepting layer is around described organic illuminating element.
9, double-faced organic luminous display device as claimed in claim 1, wherein said organic illuminating element are the active organic LED pel array.
10, double-faced organic luminous display device as claimed in claim 1, wherein said water accepting layer do not contact with described packaging plastic.
11, double-faced organic luminous display device as claimed in claim 1, the area of wherein said water accepting layer are 50% to 100% of described interior zone area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100828008A CN100553388C (en) | 2006-05-19 | 2006-05-19 | Double-faced organic luminous display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100828008A CN100553388C (en) | 2006-05-19 | 2006-05-19 | Double-faced organic luminous display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1874624A CN1874624A (en) | 2006-12-06 |
| CN100553388C true CN100553388C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100828008A Active CN100553388C (en) | 2006-05-19 | 2006-05-19 | Double-faced organic luminous display device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7923924B2 (en) | 2007-04-03 | 2011-04-12 | Tsinghua University | Organic electroluminescent display/source with anode and cathode leads |
| CN101908532B (en) * | 2009-06-05 | 2014-04-09 | 清华大学 | Thin double-faced display OLED (Organic Light Emitting Diode) device and manufacturing method thereof |
| KR101970569B1 (en) * | 2012-12-17 | 2019-04-19 | 엘지디스플레이 주식회사 | Organic light emitting diode display device |
| CN104637886B (en) | 2013-11-12 | 2017-09-22 | 财团法人工业技术研究院 | Folding type packaging structure |
| CN110931652A (en) | 2019-11-26 | 2020-03-27 | 深圳市华星光电半导体显示技术有限公司 | OLED double-sided display device |
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- 2006-05-19 CN CNB2006100828008A patent/CN100553388C/en active Active
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| CN1874624A (en) | 2006-12-06 |
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