CN102298457A - Electronic blackboard - Google Patents
Electronic blackboard Download PDFInfo
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- CN102298457A CN102298457A CN2010102088451A CN201010208845A CN102298457A CN 102298457 A CN102298457 A CN 102298457A CN 2010102088451 A CN2010102088451 A CN 2010102088451A CN 201010208845 A CN201010208845 A CN 201010208845A CN 102298457 A CN102298457 A CN 102298457A
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- electronic blackboard
- control device
- electro
- blackboard according
- contactor control
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Abstract
The invention discloses an electronic blackboard, comprising an electroluminescence displayer and a touch control device, wherein the touch control device is overlapped on the surface of the electroluminescence displayer. The touch control device comprises a plurality of sensing regions arranged in arrays, and the electroluminescence displayer comprises a plurality of light-emitting regions corresponding to the sensing regions. When one of the sensing regions generates a sensing signal, the light-emitting region corresponding to the sensing region is lighted on to generate the electronic blackboard with white characters or characters of other colors on black matrix. According to the invention, the reorganization distance and the definition of handwritings are increased, the complexity is simplified, the manufacture yield is increased, and the cost is low.
Description
Technical field
The present invention relates to a kind of electronic blackboard, particularly a kind ofly can show the touch control display of writing or drawing immediately.
Background technology
General in the streets be used to impart knowledge to students and the optical profile type blank of meeting, by blank pen written handwriting on a rollable drawing board.The person's handwriting plate of writing, scrolling left when printing by the large-scale optical scanner in left side, prints off after depositing writing in control panel.Because rolling device and large-scale optical scanner cost are very high, so that this known optical profile type blank price height, be difficult for promoting.And this known optical profile type blank can't be done line with computing machine and use, and wants that for the user data of having discussed are deposited in the computing machine use and is difficult to rub the lamp, and can only use by unit.
In view of this, United States Patent (USP) the 6th, 831, No. 771 a kind of electronic whiteboards that use the improvement of electrophoretic display device (EPD) of announcement, it comprises two-layer insulated substrate, wherein at least one substrate is transparent, and comprises the demonstration grid array that is clipped between the two-layer substrate.Show the grid filling with electrophoretic fluid, wherein charged particle is to be scattered in solvent or the solvent mixture.Solvent or solvent mixture can comprise contrast colorant again, and it can be dyestuff or pigment.Yet, this kind blank perhaps can solve the above-mentioned problem of writing data transmission and utilizing, but its background color is the white of divergence of beam, and to set off out the vestige that person's handwriting is a black, pick out person's handwriting so be positioned at the reviewer in a distant place than knowing, also promptly can set off obviously easily distinguishing of wrongly written or mispronounced character with black matrix not as traditional blackboard.
U.S. Patent Publication then discloses the display of a similar electronic blackboard for No. 20090256823, and it is provided with movably transparency electrode and transparent fixed electorde on a flat photoconduction.Transparency electrode when the somewhere is pressed down, and when being adsorbed in the fixed electorde of bottom, the then ejaculation that will make progress because of optical refractive index is close by two electrodes that are adjacent to of the light in this place's photoconduction.Therefore forming background color is black, and writes the preferable visual effect of the place of pressing down for white.Yet the electrode structure of this kind display is complicated and easily cause yield not good, and the photoconduction of large-area flat-plate shape is difficult to the light in sidelight source is evenly conducted on the whole exiting surface again, and produces the large-scale blackboard of using as the classroom of generally giving a lesson.
Summary of the invention
The invention provides a kind of electronic blackboard, particularly a kind ofly can show the optical profile type electronic blackboard of writing or drawing immediately, not only for increase person's handwriting by identification distance and sharpness, also want the complexity and the increase fine ratio of product of simplified structure.This electronic blackboard is integrated existing optics and touch control component, and therefore simple in structure and easy manufacturing that is to say an electronic blackboard cheaply.
A kind of electronic blackboard of one embodiment of the invention comprises an electro-exciting light-emitting display (Electroluminescence display; EL) and a touch-control (Touch panel; TP) device, this contactor control device is stacked and placed on the surface of this electro-exciting light-emitting display.This contactor control device comprises the induction region that a plurality of array-likes are arranged, and this electro-exciting light-emitting display comprises a plurality of light-emitting zones corresponding to this induction region again.When this induction region produces an induced signal, then pairing this light-emitting zone of this induction region is promptly lighted.
In one embodiment of the invention, this contactor control device is a transparent condenser type (Capacitive touchpanel; CTP) contactor control device or resistance-type (Resistive touch panel; RTP) contactor control device.
In one embodiment of the invention, this electro-exciting light-emitting display is one inorganic (Inorganic) or organic (Organic) electro-exciting light-emitting display (EL).This organic electro-luminescent display is from bottom-emission or top light emitting again.
The present invention not only increase person's handwriting by identification distance and sharpness, goes back the complexity of simplified structure and increase fine ratio of product, and cost is low.
Description of drawings
Figure 1A is the user mode synoptic diagram of the electronic blackboard of one embodiment of the invention;
Figure 1B is the diagrammatic cross-section of the electronic blackboard of embodiment among Figure 1A;
Fig. 2 is the diagrammatic cross-section of the electronic blackboard of another embodiment of the present invention;
Fig. 3 is the diagrammatic cross-section of the electronic blackboard of another embodiment of the present invention;
Fig. 4 is the diagrammatic cross-section of the electronic blackboard of another embodiment of the present invention; And
Fig. 5 is the enlarged drawing of induction electrode among Fig. 1.
Description of reference numerals in the above-mentioned accompanying drawing is as follows:
10,20,30,40 electronic blackboards
11,21,41 electro-exciting light-emitting displays
12,22,32,42 contactor control devices, 13 control circuits
51 conduction filaments, 80 fingers
90 light, 80 ' pointer
111 first substrates, 112 anode electrode layers
113 hole transmission layers 114 excite photosphere
115 electron transfer layers, 116 negative electrode layers
121 first substrates, 122,322 induction electrode layers
123,323 insulation courses, 117 second substrates
211 insulation courses or second substrate, 212 the second electrode lays
213 spacer particles, 214 first electrode layers
217 over caps or protective substrate 1221 induction electrodes
Embodiment
Figure 1A is the user mode synoptic diagram of the electronic blackboard of one embodiment of the invention.One user, 90 hand-holdable pointer 80 ' or with finger contact one electronic blackboard 10 surfaces.Do not write part when the surface of this electronic blackboard 10 and generally shown black or dead color, when pointer 80 ' this surface of contact will form the person's handwriting of lighting, the mathematics formula shown in Figure 1A.
Figure 1B is the partial cutaway schematic of the electronic blackboard of embodiment among Figure 1A.Electronic blackboard 10 comprises an electro-exciting light-emitting display 11 and is stacked and placed on a contactor control device 12 of the exiting surface of this electro-exciting light-emitting display 11.The electro-exciting light-emitting display 11 of present embodiment is an organic molecule (Small molecule) or macromolecule (Polymer) electro-exciting light-emitting display, but do not exceed, for example: inorganic electroluminescence display (Inorganic EL) or excite the display (EL) that can produce light to be also contained in the scope of the present invention with electricity with this example.The organic electro-luminescent display 11 of present embodiment comprises one first substrate 111, and be stacked at anode electrode layer 112, hole transmission layer 113 on this substrate 111 in regular turn, excite photosphere 114, electron transfer layer 115, negative electrode layer 116 and second substrate 117, the rhythmo structure of present embodiment only is an illustration, can increase other retes again in wherein, for example: hole injection layer or electron injecting layer etc.
The contactor control device 12 of this embodiment is a capacitive touch device, but does not exceed with this example, and for example: electric resistance touch-control device, optical touch-control device and sound wave type contactor control device are also contained in the scope of the present invention.Capacitive touch device also has multiple structure again, for example: have individual layer induction electrode layer, be positioned at the double-deck induction electrode layer of substrate homonymy and be positioned at the not double-deck induction electrode layer etc. of homonymy of substrate.Present embodiment is an example with individual layer induction electrode layer again, and the structure of other capacitive touch devices is also contained in the scope of the present invention.
The contactor control device 12 of this embodiment comprises one first substrate 121 (contactor control device 12) and reaches induction electrode layer 122, an insulation course 123 and one second substrate of being located in regular turn in this substrate 121 124 (contactor control device 12), and this induction electrode layer 122 comprises induction electrode or the induction region 1221 that a plurality of array-likes are arranged again.And this electro-exciting light-emitting display 11 comprises a plurality of light-emitting zones corresponding to a plurality of induction electrodes 1221, among the figure with the dotted line time interval.Pointed 80 or the pointer 80 ' touch of band metal or respond to when these induction electrode 1221 tops, will produce an induced signal by the control circuit 13 of contactor control device, and light this induction electrode 1221 pairing these light-emitting zones.Also promptly the photosphere 114 that excites in this light-emitting zone produces light 90, for example: and white light, and pass to the exiting surface projection to the user and hold.Relatively, all the other other light-emitting zones of not lighted are dark dark color, for example: black, therefore can increase touch trace by identification distance and sharpness.This electronic blackboard 10 comprises a control circuit 13, can drive and receive the induced signal of this contactor control device 12 and drive corresponding light-emitting zone luminous.
Fig. 2 is the partial cutaway schematic of the electronic blackboard of another embodiment of the present invention.Electronic blackboard 20 comprises an electro-exciting light-emitting display 21 and is stacked and placed on a contactor control device 22 of the exiting surface of this electro-exciting light-emitting display 21.This electro-exciting light-emitting display 21 comprises a substrate 111 and is stacked at anode electrode layer 112, hole transmission layer 113 on this substrate 111 in regular turn, excites photosphere 114, electron transfer layer 115 and negative electrode layer 116.This electro-exciting light-emitting display 21 comprises an over cap or protective substrate 217 in addition, in this over cap or protective substrate 217 can be sealed in above-mentioned each lamination 112～116 with this substrate 111.22 of this contactor control devices can be according to the light direction of this electro-exciting light-emitting display 21, and selects to be located on this substrate 111 or this over cap or the protective substrate 217.Present embodiment is a bottom-emission because of this electro-exciting light-emitting display 21, then selects to be located at the outer surface of this substrate 111.
This contactor control device 22 is an electric resistance touch-control device, and it comprises and is formed at one first electrode layer 214 on this substrate 111, a plurality of spacer particles 213, a second electrode lay 212 and an insulation course or second substrate 211 (contactor control device 22) in regular turn.Present embodiment directly forms these contactor control devices 22 in this substrate 111, however also can in a substrate (as Figure 1B 121) go up and form identical contactor control device lamination, again this contactor control device is fitted on this substrate 111.
As this second electrode lay of zone 212 surfaces by finger 80 or pointer 80 ' press down, will touch first electrode layer 214 at this place, thereby produce an induced signal by control circuit 13, then this touches area relative one light-emitting zone and promptly can light by Be Controlled circuit 13.Also promptly the photosphere 114 that excites in this light-emitting zone produces light 90, and passes to the exiting surface projection to the user and hold.
Fig. 3 is the partial cutaway schematic of the electronic blackboard of another embodiment of the present invention.Compared to Fig. 2; the contactor control device 32 of this electronic blackboard 30 comprises an induction electrode layer 322 and an insulation course 323; be formed at this over cap or protective substrate 217 inner surfaces in regular turn, so contactor control device 32 and over cap 217 or protective substrate 217 seal protection electro-exciting light-emitting display 21 and as contactor control device simultaneously.
Fig. 4 is the partial cutaway schematic of the electronic blackboard of another embodiment of the present invention.The contactor control device 42 of this electronic blackboard 40 is formed on the substrate 111 of this electro-exciting light-emitting display, then the anode electrode layer 112 of this electro-exciting light-emitting display 41, this hole transmission layer 113, this excites photosphere 114, this electron transfer layer 115 and this negative electrode layer 116 to be stacked in regular turn on this contactor control device 42 again.
Fig. 5 is partial plan layout (Layout) enlarged drawing of induction electrode among Figure 1B.The material of induction electrode can be transparent metal oxide, for example: tin indium oxide (ITO).Yet for can be applied to large-area electronic blackboard, induction electrode 1221 can be the conduction filament 51 of a latticed low electrical resistant material, for example: latticed silver, copper or aluminium or its alloy conductive filament.
Technology contents of the present invention and technical characterstic the sixth of the twelve Earthly Branches disclose as above, yet those skilled in the art still may do all replacement and modifications that does not deviate from spirit of the present invention based on teaching of the present invention and announcement.Therefore, protection scope of the present invention should be not limited to embodiment and disclose, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by claims.
Claims (14)
1. electronic blackboard comprises:
One electro-exciting light-emitting display; And
One contactor control device comprises the induction region that a plurality of array-likes are arranged, and is stacked and placed on the surface of this electro-exciting light-emitting display;
Wherein this electro-exciting light-emitting display comprises a plurality of light-emitting zones corresponding to this induction region, and when this induction region produces an induced signal, then pairing this light-emitting zone of this induction region is promptly lighted.
2. electronic blackboard according to claim 1, wherein this contactor control device is a transparent capacitive touch device, transparent electric resistance touch-control device, optical touch-control device or sound wave type contactor control device.
3. electronic blackboard according to claim 1, wherein this electro-exciting light-emitting display is an organic electro-luminescent display or inorganic electroluminescence display.
4. electronic blackboard according to claim 3, wherein this organic electro-luminescent display comprises a substrate and the anode electrode layer, the hole transmission layer, that are stacked in regular turn on this substrate excite photosphere, an electron transfer layer and a negative electrode layer.
5. electronic blackboard according to claim 4, wherein this contactor control device is located on the surface of this substrate with respect to this anode electrode layer.
6. electronic blackboard according to claim 4, wherein this contactor control device is located between this anode electrode layer and this substrate.
7. electronic blackboard according to claim 4, wherein this contactor control device is located at this cathode electrode laminar surface.
8. electronic blackboard according to claim 4; wherein this electro-exciting light-emitting display comprises an over cap in addition, and this over cap and this substrate form this anode electrode layer of sealing, this hole transmission layer again, this has the space that excites photosphere, this electron transfer layer and this negative electrode layer.
9. electronic blackboard according to claim 8, wherein this contactor control device is located at a surface of this over cap.
10. electronic blackboard according to claim 8, wherein this contactor control device is located at the surface of closing on this negative electrode layer of this over cap.
11. electronic blackboard according to claim 1, wherein each described induction region is an induction electrode.
12. electronic blackboard according to claim 11, wherein this induction electrode is a latticed conduction filament.
13. electronic blackboard according to claim 1, it comprises a control circuit in addition, and wherein this control circuit is handled this induced signal of this contactor control device and drive each described light-emitting zone of this electro-exciting light-emitting display luminous.
14. electronic blackboard according to claim 1, wherein this electro-exciting light-emitting display is from bottom-emission or top light emitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102088451A CN102298457A (en) | 2010-06-25 | 2010-06-25 | Electronic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102088451A CN102298457A (en) | 2010-06-25 | 2010-06-25 | Electronic blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102298457A true CN102298457A (en) | 2011-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102088451A Pending CN102298457A (en) | 2010-06-25 | 2010-06-25 | Electronic blackboard |
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| Country | Link |
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| CN (1) | CN102298457A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591523A (en) * | 2012-01-07 | 2012-07-18 | 洪颖莎 | Composite electronic teaching board |
| CN103677399A (en) * | 2012-09-11 | 2014-03-26 | 三星显示有限公司 | Sensor substrate, method of manufacturing the same and sensing display panel having the same |
| CN107577374A (en) * | 2017-09-22 | 2018-01-12 | 京东方科技集团股份有限公司 | A kind of handwriting pad and its control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1248228A1 (en) * | 2001-04-04 | 2002-10-09 | Eastman Kodak Company | Touch screen display and method of manufacture |
| CN1649456A (en) * | 2005-03-01 | 2005-08-03 | 友达光电股份有限公司 | Plane display with touching function and its forming method |
| US20060209045A1 (en) * | 2005-03-21 | 2006-09-21 | Chih-Hung Su | Dual emission display with integrated touch screen and fabricating method thereof |
| JP2010034097A (en) * | 2008-07-24 | 2010-02-12 | Seiko Epson Corp | Light-emitting element, display device, and electronic device |
-
2010
- 2010-06-25 CN CN2010102088451A patent/CN102298457A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1248228A1 (en) * | 2001-04-04 | 2002-10-09 | Eastman Kodak Company | Touch screen display and method of manufacture |
| CN1649456A (en) * | 2005-03-01 | 2005-08-03 | 友达光电股份有限公司 | Plane display with touching function and its forming method |
| US20060209045A1 (en) * | 2005-03-21 | 2006-09-21 | Chih-Hung Su | Dual emission display with integrated touch screen and fabricating method thereof |
| JP2010034097A (en) * | 2008-07-24 | 2010-02-12 | Seiko Epson Corp | Light-emitting element, display device, and electronic device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591523A (en) * | 2012-01-07 | 2012-07-18 | 洪颖莎 | Composite electronic teaching board |
| CN103677399A (en) * | 2012-09-11 | 2014-03-26 | 三星显示有限公司 | Sensor substrate, method of manufacturing the same and sensing display panel having the same |
| CN107577374A (en) * | 2017-09-22 | 2018-01-12 | 京东方科技集团股份有限公司 | A kind of handwriting pad and its control method |
| US10712829B2 (en) | 2017-09-22 | 2020-07-14 | Boe Technology Group Co., Ltd. | Handwriting board and control method thereof |
| CN107577374B (en) * | 2017-09-22 | 2021-01-26 | 京东方科技集团股份有限公司 | Handwriting board and control method thereof |
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Application publication date: 20111228 |