CN103064569B - The upwards transparent touch screen of luminescent organic LED - Google Patents
The upwards transparent touch screen of luminescent organic LED Download PDFInfo
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- CN103064569B CN103064569B CN201210539195.8A CN201210539195A CN103064569B CN 103064569 B CN103064569 B CN 103064569B CN 201210539195 A CN201210539195 A CN 201210539195A CN 103064569 B CN103064569 B CN 103064569B
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- upper cover
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- transparency conducting
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Abstract
The present invention discloses the transparent touch screen of a kind of upwards luminescent organic LED, and this touch screen comprises substrate, upper cover plate, organic light-emitting diode display element, capacitive touch control element and adhesive layer.This oled device is stacked and placed on this substrate, this capacitive touch control element is stacked and placed on this upper cover plate, this adhesive layer engages this substrate and this upper cover plate respectively, makes this oled device and this capacitive touch control element be closed between this substrate and this upper cover plate.This capacitive touch control element sequentially forms the first transparency conducting layer, barrier layer, the second transparency conducting layer and electro-magnetic screen layer on this upper cover plate, and this electro-magnetic screen layer can effectively reduce the electric jamming between this oled device and this capacitive touch control element.The contact panel of the present invention accurately and delicately can sense touch control operation, can be widely applied to click the various display screens of input instruction.
Description
The application be submit on April 20th, 2006, China of Application No. 200610075581.1 specially
The divisional application of profit application.
Technical field
The present invention relates to a kind of transparent touch screen, particularly relate to one upwards luminous organic two pole
Pipe (Organic Light Emitting Device；OLED) transparent touch screen (touch screen).
Background technology
At present the light emitting species of organic LED display device can be divided into two kinds: bottom emission type and to
Upper light emitting-type.The light launched due to bottom emission type structure can be by thin film transistor (TFT) on substrate
(TFT) covering of structure and affect aperture opening ratio (aperture ratio), so upwards light emitting-type structure is
Solve the effective countermeasure of light-emitting area rate on conventional active light emitting display device.
Touching screen is the simplest, hommization and joint space-efficient input tool, the most extensively should
For visitor's guide system, ATM, palmtop computer, point-of-sale terminals and Industry Control
System etc..
U.S. Patent Publication No. US 2002/0186208A1 discloses a kind of electroluminescent having and touching screen
Display device, it comprises transparency carrier, the electric resistance touch-control element that is arranged on the surface of this transparency carrier,
The electroluminescent display element being arranged on another surface of this transparency carrier.But, respectively at this transparency carrier
Two surfaces prepare this electric resistance touch-control element and this electroluminescent display element, it is easy to produce in process of production
Scratch.Furthermore, this electric resistance touch-control element has the shortcoming that sensitivity is the best.
U.S. Patent Publication No. US 2004/0080267A1 discloses a kind of OLED and touch screen
The integrated element of curtain, it is previously prepared electric resistance touch-control element on the cover plate of OLED, then
This cover plate is used to encapsulate this OLED.But, the sensitivity of this electric resistance touch-control element is the best,
The most advanced and sophisticated thing such as pen must be used to apply pressure to this electric resistance touch-control element can sense, thus be prone in use
Produce scratch.Furthermore, during using this cover plate to encapsulate this OLED, previously prepared in
The electric resistance touch-control element of this lid surface is prone to by crushing.
U.S. Patent Publication No. US 2004/0080267A1 discloses a kind of OLED and touch screen
The integrated element of curtain, it is on transparency carrier (or cover plate) surface of the OLED completing encapsulation
Prepare electric resistance touch-control element again.But, the preparation method that US 2004/0080267A1 discloses is the most multiple
Miscellaneous, and the useful life of the material of OLED can be because of the technological factor of this electric resistance touch-control element
And shorten.Furthermore, this electric resistance touch-control element has the shortcoming that sensitivity is the best.
In sum, market need a kind of energy accurately and delicately sense the contact panel of touch control operation,
And still need and there is the transparent structure of light in order to the various displays being widely used in clicking input instruction
Screen.
Summary of the invention
It is an object of the invention to provide the transparent touch screen of a kind of upwards luminescent organic LED, its
There is high light transmittance, high sensitivity and be difficult to the advantages such as scratch.
The transparent touch screen of the upwards luminescent organic LED of the present invention comprise substrate, upper cover plate,
Oled device, capacitive touch control element and adhesive layer.
This oled device is stacked and placed on this substrate, and this capacitive touch control element is stacked and placed on this
On cover plate, this adhesive layer engages this substrate and this upper cover plate respectively, makes this oled device seal
Close between this substrate and this upper cover plate.
This capacitive touch control element sequentially forms the first transparency conducting layer on the surface of this upper cover plate, blocks
Layer and the second transparency conducting layer, and this capacitive touch control element is closed between this substrate and this upper cover plate.
The sensing principle of this capacitive touch control element second transparent is led for utilizing this first transparency conducting layer and this
Electric layer external power supply and holding wire, make this two-layer transparency conducting layer and between formed an electric capacity structure also
Produce fixing electric lines of force, and the intensity of electric lines of force can directly influence capacitance size.Work as conducting objects
When matter or finger remove to touch this upper cover plate, this first transparency conducting layer and this second transparency conducting layer can be changed
Between the intensity of electric lines of force, the size of capacitance thus change therewith, examine via external holding wire
Survey the change of capacitance size, to reach to distinguish the purpose of touch location.
This capacitive touch control element can additionally comprise electro-magnetic screen layer, and this electro-magnetic screen layer comprises polymer insulation
Layer and transparency conducting layer.This electro-magnetic screen layer can effectively reduce this organic LED structure and this electricity
Electric jamming between appearance formula touch control component.
The material of this polymeric dielectric layer is selected from epoxy resin, pi or methyl methacrylate.On
The material of the transparency conducting layer stated is selected from tin indium oxide, indium zinc oxide or aluminum zinc oxide.
The contact panel of the present invention accurately and delicately can sense touch control operation, and can be widely applied to can point
The various display screens of choosing input instruction.
Accompanying drawing explanation
Fig. 1 is the transparent touch screen of the upwards luminescent organic LED of first embodiment of the invention
Generalized section；
Fig. 2 is the transparent touch screen of the upwards luminescent organic LED of second embodiment of the invention
Generalized section；
Fig. 3 is the transparent touch screen of the upwards luminescent organic LED of another embodiment of the present invention
Generalized section；And
Fig. 4 is the transparent touch screen of the upwards luminescent organic LED of another embodiment of the present invention
Generalized section.
Wherein, description of reference numerals is as follows:
10,20,30,40 transparent touch screen
100 capacitive touch control element 101 first transparency conducting layers
102 barrier layer 103 second transparency conducting layers
120 oled device 121 anode layers
122 luminescent layer 123 cathode layers
130 substrate 150 adhesive layers
200 capacitive touch control element 204 electro-magnetic screen layers
204a polymeric dielectric layer 204b transparency conducting layer
Detailed description of the invention
Fig. 1 is the transparent touch screen of the upwards luminescent organic LED of first embodiment of the invention
The generalized section of 10.This transparent touch screen 10 comprises substrate 130, upper cover plate 110, organic light emission
Diode apparatus 120, capacitive touch control element 100 and adhesive layer 150.
This oled device 120 is stacked and placed on this substrate 130, this capacitive touch control element 100
Being stacked and placed on the surface of this upper cover plate 110, this adhesive layer 150 engages this substrate 130 and this upper cover respectively
Plate 110, makes this oled device 120 be sealed in closing space.
This capacitive touch control element 100 sequentially form on this upper cover plate 110 first transparency conducting layer 101,
Barrier layer 102 and the second transparency conducting layer 103.But the structure of this capacitive touch control element is not by this
The restriction of embodiment, it is possible to make the second transparency conducting layer and the first transparency conducting layer together be formed at upper cover plate
110 surfaces.
The operation principle of this capacitance type touch-control structure 100 for utilize this first transparency conducting layer 101 and this
The external power supply of two transparency conducting layers 103 and holding wire, make the first transparency conducting layer 101 transparent with second
Form the structure of an electric capacity between conductive layer 103 and produce fixing electric lines of force, and electric lines of force is strong
Degree can directly influence the size of capacitance.
When conductive materials or finger remove to touch this upper cover plate 110, this first transparency conducting layer 101 can be changed
And the intensity of electric lines of force between the second transparency conducting layer 103, the size of capacitance thus change therewith, warp
Carried out detecting the change of capacitance size by external holding wire, to reach distinguishing of touch location.
This oled device 120 sequentially forms anode layer 121, luminescence on this substrate 130
Layer 122 and cathode layer 123.
The material of this first transparency conducting layer 101 and this second transparency conducting layer 103 is selected from tin indium oxide
(indium tin oxide；ITO), indium zinc oxide (indium zinc oxide；Or aluminum zinc oxide IZO)
(aluminum zinc oxide；AZO).The material of this barrier layer 102 selected from epoxy resin (Epoxy),
The materials such as pi (Poly-Imide) or methyl methacrylate.
The material of this substrate 130 and this upper cover plate 110 is selected from glass, poly-carbonic acid (PC) fat or polychlorostyrene second
The transparent materials such as alkene (PVC).
Fig. 2 is the transparent touch screen of the upwards luminescent organic LED of second embodiment of the invention
The generalized section of 20.This electric capacity unlike the transparent touch screen 10 of first embodiment of the invention
Formula touch control component 200 also comprises electro-magnetic screen layer 204, and this electro-magnetic screen layer 204 comprises polymer insulation
Layer 204a and transparency conducting layer 204b.This capacitive touch control element 200 on this upper cover plate 110 sequentially
Form this first transparency conducting layer 101, this barrier layer 102, this second transparency conducting layer 103, this high score
Insulating sublayer layer 204a and this transparency conducting layer 204b.
This electro-magnetic screen layer 204 can effectively reduce this oled device 120 and this condenser type
Electric jamming between touch control component 201.
The material of this polymeric dielectric layer 204a is selected from epoxy resin, pi or methyl methacrylate
Deng material.The material of this transparency conducting layer 204b is selected from tin indium oxide, indium zinc oxide or aluminum zinc oxide.
The transparent touch screen of the upwards luminescent organic LED of first and second embodiment of the present invention
Also can mode such as the transparent touch screen 30 and 40 of Fig. 3 and Fig. 4 implement, the most respectively by this electricity respectively
Appearance formula touch control component 100 and 200 is configured at the upper surface of this upper cover plate 110.
The technology contents of the present invention and technical characterstic have revealed that as above, but those skilled in the art still may
Inspiration based on the present invention and announcement and make all replacements without departing from spirit of the present invention and modification.Therefore,
Protection scope of the present invention should be not limited to the scope disclosed in embodiment, and should include various without departing from this
Bright replacement and modification, and the scope by appended claim contained.
Claims (12)
1. a transparent touch screen for upwards luminescent organic LED, comprises:
Substrate；
Upper cover plate；
Oled device, is stacked and placed on this substrate；And
Capacitive touch control element, is stacked and placed on the surface of this upper cover plate, and this upper cover plate engages this substrate,
This oled device is made to be closed between this substrate and this upper cover plate, wherein said electric capacity
Space is there is between formula touch control component and described oled device；Wherein this transparent touch
Touch screen and also comprise adhesive layer, engage this substrate and this upper cover plate, and make this organic light-emitting diodes
Pipe device is closed between this substrate and this upper cover plate, and wherein said substrate and described upper cover plate extend
Project to outside described adhesive layer.
The transparent touch of upwards luminescent organic LED the most according to claim 1
Touching screen, wherein to sequentially form first in the upper surface of this upper cover plate saturating for this capacitive touch control element
Bright conductive layer, barrier layer and the second transparency conducting layer, this first transparency conducting layer and this second
Transparency conducting layer forms the structure of electric capacity.
The transparent touch of upwards luminescent organic LED the most according to claim 2
Touching screen, wherein this capacitive touch control element also comprises electro-magnetic screen layer, this electromagnetic shielding stacking
It is placed between this first transparency conducting layer and this upper cover plate.
The transparent touch of upwards luminescent organic LED the most according to claim 1
Touching screen, wherein to sequentially form first in the lower surface of this upper cover plate saturating for this capacitive touch control element
Bright conductive layer, barrier layer and the second transparency conducting layer, this first transparency conducting layer and this second
Transparency conducting layer forms the structure of electric capacity.
The transparent touch of upwards luminescent organic LED the most according to claim 4
Touching screen, wherein this capacitive touch control element also comprises electro-magnetic screen layer, this electromagnetic shielding stacking
It is placed on this second transparency conducting layer.
The transparent touch of upwards luminescent organic LED the most according to claim 3
Touching screen, wherein this electro-magnetic screen layer comprises polymeric dielectric layer and transparency conducting layer.
The transparent touch of upwards luminescent organic LED the most according to claim 6
Touching screen, wherein the material of this polymeric dielectric layer is selected from epoxy resin, pi or methyl
Acrylic acid methyl ester..
The transparent touch of upwards luminescent organic LED the most according to claim 6
Touching screen, wherein the material of this transparency conducting layer is selected from tin indium oxide, indium zinc oxide or aluminium oxide
Zinc.
The transparent touch of upwards luminescent organic LED the most according to claim 1
Touching screen, wherein this organic light-emitting diode element sequentially forms anode layer on this substrate, sends out
Photosphere and cathode layer.
The transparent touch of upwards luminescent organic LED the most according to claim 2
Touching screen, wherein the material of this first transparency conducting layer and this second transparency conducting layer is selected from oxidation
Indium stannum, indium zinc oxide or aluminum zinc oxide.
The transparent touch of 11. upwards luminescent organic LEDs according to claim 2
Touching screen, wherein the material of this barrier layer is selected from epoxy resin, pi or methacrylic acid
Methyl ester.
The transparent touch of 12. upwards luminescent organic LEDs according to claim 1
Touching screen, wherein the material of this substrate and this upper cover plate is selected from glass, polycarbonate or polychlorostyrene second
The transparent materials such as alkene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539195.8A CN103064569B (en) | 2006-04-20 | 2006-04-20 | The upwards transparent touch screen of luminescent organic LED |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539195.8A CN103064569B (en) | 2006-04-20 | 2006-04-20 | The upwards transparent touch screen of luminescent organic LED |
| CN 200610075581 CN101059738A (en) | 2006-04-20 | 2006-04-20 | Upper shining type organic shining diode transparent touch screen |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610075581 Division CN101059738A (en) | 2006-04-20 | 2006-04-20 | Upper shining type organic shining diode transparent touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103064569A CN103064569A (en) | 2013-04-24 |
| CN103064569B true CN103064569B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210539195.8A Expired - Fee Related CN103064569B (en) | 2006-04-20 | 2006-04-20 | The upwards transparent touch screen of luminescent organic LED |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440067B (en) | 2013-08-07 | 2016-06-29 | 北京京东方光电科技有限公司 | A kind of display floater, preparation method and display device |
| CN108182008B (en) * | 2017-12-29 | 2020-11-06 | 武汉华星光电半导体显示技术有限公司 | OLED touch panel and OLED touch device |
| TWI656466B (en) * | 2018-03-26 | 2019-04-11 | 財團法人工業技術研究院 | Touch display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1536527A (en) * | 2003-01-17 | 2004-10-13 | ��˹���´﹫˾ | Organic luminous diode display and touch screen |
| WO2004114105A2 (en) * | 2003-06-14 | 2004-12-29 | Ronald Peter Binstead | Improvements in touch technology |
| CN1652651A (en) * | 2005-03-23 | 2005-08-10 | 友达光电股份有限公司 | Touch-controllable organic luminescent display |
| JP2006086517A (en) * | 2004-08-18 | 2006-03-30 | Samsung Sdi Co Ltd | Emi shielding film and plasma display device |
-
2006
- 2006-04-20 CN CN201210539195.8A patent/CN103064569B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1536527A (en) * | 2003-01-17 | 2004-10-13 | ��˹���´﹫˾ | Organic luminous diode display and touch screen |
| WO2004114105A2 (en) * | 2003-06-14 | 2004-12-29 | Ronald Peter Binstead | Improvements in touch technology |
| JP2006086517A (en) * | 2004-08-18 | 2006-03-30 | Samsung Sdi Co Ltd | Emi shielding film and plasma display device |
| CN1652651A (en) * | 2005-03-23 | 2005-08-10 | 友达光电股份有限公司 | Touch-controllable organic luminescent display |
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| Publication number | Publication date |
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| CN103064569A (en) | 2013-04-24 |
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Granted publication date: 20160810 Termination date: 20200420 |