CN100379056C - Plane display with touching function and its forming method - Google Patents
Plane display with touching function and its forming method Download PDFInfo
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- CN100379056C CN100379056C CNB200510051756XA CN200510051756A CN100379056C CN 100379056 C CN100379056 C CN 100379056C CN B200510051756X A CNB200510051756X A CN B200510051756XA CN 200510051756 A CN200510051756 A CN 200510051756A CN 100379056 C CN100379056 C CN 100379056C
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Abstract
The present invention relates to a plane display which comprises a first base board, a first conducting layer, a first conducting layer of an electrode layer, an insulation layer and an organic electroluminescence display element. The first conducting layer is formed on a first surface of the first base board. The electrode layer is formed on the first conducting layer. The second conducting layer is formed on a second surface of the first base board. The insulation layer is formed on the surface of a second conducting layer. The organic electroluminescence display element is formed on the insulation layer.
Description
Technical field
The present invention relates to a kind of flat-panel screens, particularly relate to a kind of display of organic electroluminescence in conjunction with capacitance type touch-control panel with touch controllable function.
Background technology
Contact panel has been widely used in various electronic instruments at present, for example personal digital assistant (Personal Digital Assistant, PDA), portable information product such as smart phone, electronic dictionary, wrist-watch, electronic calculator or handwriting pad mobile computer.With display floater combination of touch control panel, just do not need extra input units such as keyboard, can significantly reduce the weight and volume of device.So could more meet the compact characteristic that portable product is emphasized.
Fig. 1 is the end view that tradition has the flat-panel screens of touch controllable function.Please refer to Fig. 1, the flat-panel screens 10 that tradition has touch controllable function comprises electric resistance touch-control panel 20, demarcation strip 30 and display floater 40.Electric resistance touch-control panel 20 comprises first substrate 21, first conductive layer 22, layer of spacer material 23, second conductive layer 24, electrode layer 25 and protective layer 26.Display floater 40 comprises second substrate 41 and organic electro-luminescent display unit 49.On manufacture method, at first, produce a display floater 40 and a contact panel (touch screen) 20 respectively, again display floater 40 and contact panel 20 are connected to the both sides of demarcation strip 30.Then, the 3rd substrate 53 that gluing 51 will be filled with drier 52 engages with second substrate 41, to form a seal cavity.Thus, flat-panel screens 10 exactly with touch controllable function.
Yet this kind combination just loses flat-panel screens and desires to possess compact characteristics.Since the face display that tradition has a touch controllable function by one independently electric resistance touch-control panel combine with a display floater, so the not only thick but also weight that the overall appearance of flat-panel screens can become.Moreover this kind combination also reduces the display quality of flat-panel screens integral body simultaneously.Because display floater needs luminous through ability behind second substrate, demarcation strip and the whole contact panel earlier, and general its penetration of electric resistance touch-control panel is approximately 85%, so whole luminous efficient can reduce, the brightness of demonstration will reduce, and then influences the life-span and the quality of display floater.Say that further the flat-panel screens that tradition has touch controllable function is difficult to take into account display quality and touch-control performance.Because light need penetrate different retes, so the situation of the colour cast of having and chromatic dispersion causes display quality to reduce.And the necessary transmission touch panel of display floater, so the electrode layer of contact panel can only be selected the material of high-penetration degree, and the material that general preferred conductor all is penetrability differences, so also can reduce the display quality of touch-control panel at this.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of flat-panel screens and manufacture method thereof with touch controllable function is being provided, directly form organic electro-luminescent display unit at the contact panel back side, between contact panel and organic electroluminescent device, only separate with an insulating barrier.Thus, thickness and weight with flat-panel screens of touch controllable function can reduce significantly, and can take into account the touch-control performance of the display quality and the contact panel of display simultaneously.
According to purpose of the present invention, propose a kind of flat-panel screens and comprise first substrate, first conductive layer, electrode layer first conductive layer, insulating barrier and organic electro-luminescent display unit.First conductive layer is formed at the first surface of first substrate, and electrode layer is formed on first conductive layer.Second conductive layer is formed at the second surface of first substrate, and insulating barrier is formed at the surface of second conductive layer, and organic electro-luminescent display unit is formed at insulating barrier.
According to purpose of the present invention, a kind of formation method with flat-panel screens of touch controllable function is proposed, comprising: one first substrate is provided; First surface in first substrate forms one first conductive layer, forms one second conductive layer in the second surface of first substrate; Form an electrode layer in first conductive layer; Form an insulating barrier in second conductive layer; Form an organic electroluminescent device in insulating barrier.
For above-mentioned purpose of the present invention, feature and advantage 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 illustrates the end view that has the flat-panel screens of touch controllable function according to tradition.
Fig. 2 illustrates the end view according to the flat-panel screens of one embodiment of the present invention.
Fig. 3 illustrates the formation method according to the flat-panel screens of a preferred embodiment of the present invention.
The simple symbol explanation
10: conventional planar display 20: capacitance type touch-control panel
22: the first conductive layers of 21: the first substrates
23: 24: the second conductive layers of layer of spacer material
25: electrode layer 26: protective layer
30: demarcation strip 40: display floater
51: glue 52: drier
220: 221: the second conductive layers of capacitance type touch-control panel
223: the first conductive layers of 222: the first substrates
224: electrode layer 225: protective layer
230: insulating barrier 240: organic electro-luminescent display unit
242: anode 243: hole transmission layer
244: organic luminous layer 245: electron transfer layer
246: negative electrode 251: adhesion layer
252: 253: the second substrates of drier
Embodiment
Main conception of the present invention is directly to form organic electro-luminescent display unit on the surface of capacitance type touch-control panel, and only separates with an insulating barrier between the two.Can reduce the thickness and the weight of flat-panel screens, and take into account the touch-control performance of the display quality and the contact panel of display.
Flat-panel screens of the present invention comprises first substrate, first conductive layer, second conductive layer, electrode layer, insulating barrier and organic electro-luminescent display unit.First conductive layer is formed at the first surface of first substrate, and electrode layer is formed on first conductive layer.Second conductive layer is formed at the second surface of first substrate, and insulating barrier is formed at the surface of second conductive layer, and organic electro-luminescent display unit is formed at insulating barrier.Below lift a preferred embodiment and elaborate, this preferred embodiment only is a kind of execution mode under the invention spirit of the present invention, can't carry out limit to desire protection range of the present invention.
Please refer to Fig. 2, it illustrates the end view according to the flat-panel screens of one embodiment of the present invention.The flat-panel screens 200 of present embodiment comprises first substrate 222, first conductive layer 223, electrode layer 224, protective layer 225, second conductive layer 221, insulating barrier 230 and organic electro-luminescent display unit.
Insulating barrier 230 is formed at the surface of second conductive layer 221, in order to the electrical interference between isolated contact panel 220 and the organic electroluminescent device.
Organic electro-luminescent display unit can be active formula organic electro-luminescent display unit, or the passive type organic electro-luminescent display unit.Below be that example explains with a kind of passive type organic electro-luminescent display unit 240.Organic electro-luminescent display unit 240 is formed at insulating barrier 230.Organic electro-luminescent display unit 240 comprises anode 242, hole transmission layer 243, organic luminous layer 244, electron transfer layer 245 and negative electrode 246.Anode 242 is formed at insulating barrier 230, and hole transmission layer 243 is formed at anode 242, and organic luminous layer 244 is formed at hole transmission layer 243, and electron transfer layer 245 is formed at organic luminous layer 244, one negative electrodes 246 and is formed at electron transfer layer 245.
Wherein, organic luminous layer is made up of macromolecular material.Perhaps, organic luminous layer is formed with small molecule material.
Flat-panel screens 200 also comprises second substrate 253, drier 252 and adhesion layer 251.Second substrate 253 for example is a glass substrate or a transparent plastic substrate.Drier 252 is arranged at second substrate 253, and adhesion layer 251 connects second substrate 253 and first substrate 222.By this, first substrate 222, second substrate 253 and adhesion layer 253 form a confined space.
Fig. 3 illustrates the formation method according to the flat-panel screens of a preferred embodiment of the present invention.The formation method of the flat-panel screens with contact panel of present embodiment comprises the following steps S201～S205.Please in step S201, provide one first substrate 222 simultaneously with reference to Fig. 2 and 3.In step S202, form first conductive layer 223 in the first surface of first substrate 222, form second conductive layer 221 in the second surface of first substrate 222, for example be to form first conductive layer 223 and second conductive layer 221 with the mode of electroplating.In step S203, form electrode layer 224 in first conductive layer 223, afterwards, preferably form protective layer 225 in electrode layer 224.In step S204, form insulating barrier 230 in second conductive layer 221.In step S205, form organic electroluminescent device 240 in insulating barrier 230.
Moreover the detailed step of step S205 is described below.Form an anode 242 in insulating barrier 230; Form a hole transmission layer 243 in anode 242; Form an organic luminous layer 244 in hole transmission layer 243; Form an electron transfer layer 245 in organic luminous layer 244; Form a negative electrode 246 in electron transfer layer 245.Wherein, the step that forms an organic luminous layer 244 can be rotary coating (Spin coating) macromolecular material, printing one macromolecular material or evaporation one small molecule material.
After step S205, carry out the encapsulation of flat-panel screens 200.At first, provide second substrate 253.Then, be coated with an adhesive agent 251, for example be gluing around second substrate 253, and a drier 252 be set in second substrate 253 in second substrate 253.At last, to organizing first substrate 222 and second substrate 253.By this, finish the flat-panel screens with touch controllable function 200 of present embodiment.
Disclosed flat-panel screens of the above embodiment of the present invention and manufacture method thereof directly form organic electro-luminescent display unit, and only separate with an insulating barrier between the two on the surface of contact panel.Compared to traditional structure, omitted the thickest substrate and demarcation strip, present embodiment can reduce the thickness and the weight of flat-panel screens significantly.Moreover, compared to traditional structure, the light that the organic electro-luminescent display unit of present embodiment produces only need pass through insulating barrier and contact panel, add its penetration of capacitance type touch-control panel and be approximately 95%, so whole luminous efficient can rise, the brightness that shows will increase, and then prolongs the life-span and the quality of display floater.Say further,, reduce the situation of colour cast and chromatic dispersion, no longer be subject to the high-penetration degree but the material of poorly conductive when selecting the electrode layer of contact panel, therefore, can take into account the touch-control performance of the display quality and the contact panel of display owing to improved light transmittance.
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 (20)
1. flat-panel screens comprises:
One capacitance type touch-control panel comprises: one first substrate; One first conductive layer is formed on the first surface of this first substrate; One electrode layer is formed on this first conductive layer; And one second conductive layer, be formed on the second surface of this first substrate;
One insulating barrier is formed on the surface of this second conductive layer; And
One organic electro-luminescent display unit is formed on this insulating barrier.
2. flat-panel screens as claimed in claim 1 also comprises:
One protective layer is formed on this electrode layer.
3. flat-panel screens as claimed in claim 1, wherein this electrode layer is made up of a transparent electrode material.
4. flat-panel screens as claimed in claim 1, wherein this organic electro-luminescent display unit is active formula organic electro-luminescent display unit.
5. flat-panel screens as claimed in claim 1, wherein this organic electro-luminescent display unit is the passive type organic electro-luminescent display unit.
6. flat-panel screens as claimed in claim 1, wherein this organic electro-luminescent display unit comprises:
One anode is formed on this insulating barrier;
One hole transmission layer is formed on this anode;
One organic luminous layer is formed on this hole transmission layer;
One electron transfer layer is formed on this organic luminous layer; And
One negative electrode is formed on this electron transfer layer.
7. flat-panel screens as claimed in claim 6, wherein this organic luminous layer is formed with macromolecular material.
8. flat-panel screens as claimed in claim 6, wherein this organic luminous layer is formed with small molecule material.
9. flat-panel screens as claimed in claim 1 also comprises:
One second substrate,
One drier is arranged at this second substrate; And
One adhesion layer connects this second substrate and this first substrate,
Wherein, this first substrate, this second substrate and this adhesion layer form a confined space that holds this organic electro-luminescent display unit and this drier.
10. flat-panel screens as claimed in claim 1, wherein this first substrate is a glass substrate.
11. flat-panel screens as claimed in claim 1, wherein this first substrate is a transparent plastic substrate.
12. flat-panel screens as claimed in claim 9, wherein this second substrate is a glass substrate.
13. flat-panel screens as claimed in claim 9, wherein this second substrate is a transparent plastic substrate.
14. the formation method of a flat-panel screens comprises:
One first substrate is provided;
Form one first conductive layer on the first surface of this first substrate; Form one second conductive layer on the second surface of this first substrate; Form an electrode layer on this first conductive layer, form a capacitance type touch-control panel thus;
Form an insulating barrier on this second conductive layer; And
Form an organic electroluminescent device on this insulating barrier.
15. formation method as claimed in claim 14 wherein also comprises after the step of this formation one electrode layer on this first conductive layer:
Form a protective layer on this electrode layer.
16. formation method as claimed in claim 14, wherein the step of this formation one organic electroluminescent device on this insulating barrier comprises:
Form an anode on this insulating barrier;
Form a hole transmission layer on this anode;
Form an organic luminous layer on this hole transmission layer;
Form an electron transfer layer on this organic luminous layer; And
Form a negative electrode on this electron transfer layer.
17. formation method as claimed in claim 16, wherein the step of this formation one organic luminous layer comprises rotary coating one macromolecular material.
18. formation method as claimed in claim 16, wherein the step of this formation one organic luminous layer comprises printing one macromolecular material.
19. formation method as claimed in claim 16, wherein the step of this formation one organic luminous layer comprises evaporation one small molecule material.
20. formation method as claimed in claim 14 wherein also comprises after the step of this formation one organic electroluminescent device on this insulating barrier:
One second substrate is provided;
Be coated with an adhesive agent on this second substrate;
One drier is set on this second substrate; And
To organizing this first substrate and this second substrate, thereby form a confined space that holds this organic electro-luminescent display unit and this drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510051756XA CN100379056C (en) | 2005-03-01 | 2005-03-01 | Plane display with touching function and its forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510051756XA CN100379056C (en) | 2005-03-01 | 2005-03-01 | Plane display with touching function and its forming method |
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| Publication Number | Publication Date |
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| CN1649456A CN1649456A (en) | 2005-08-03 |
| CN100379056C true CN100379056C (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200510051756XA Active CN100379056C (en) | 2005-03-01 | 2005-03-01 | Plane display with touching function and its forming method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298457A (en) * | 2010-06-25 | 2011-12-28 | 棨研科技有限公司 | Electronic blackboard |
| WO2013056438A1 (en) * | 2011-10-19 | 2013-04-25 | Tpk Touch Solutions Inc. | Touch sensitive display |
| CN104465703B (en) * | 2014-11-21 | 2019-02-12 | 上海天马有机发光显示技术有限公司 | A kind of display panel and its manufacturing method and display device |
| CN106356394B (en) | 2016-10-27 | 2018-09-04 | 北京小米移动软件有限公司 | Display base plate and preparation method thereof and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000020242A (en) * | 1998-06-26 | 2000-01-21 | Sumitomo Chem Co Ltd | Upper electrode plate for touch panel and device provided with the same |
| CN1385814A (en) * | 2001-05-15 | 2002-12-18 | 伊斯曼柯达公司 | Organic electroluminescence display with integrated touch screen |
| CN1427330A (en) * | 2001-12-17 | 2003-07-02 | Lg.飞利浦Lcd有限公司 | Signal line of touch panel display device and forming method thereof |
| JP2004348270A (en) * | 2003-05-20 | 2004-12-09 | Nissha Printing Co Ltd | Mounting structure for low-reflection touch panel and mounting sheet used for the same |
-
2005
- 2005-03-01 CN CNB200510051756XA patent/CN100379056C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000020242A (en) * | 1998-06-26 | 2000-01-21 | Sumitomo Chem Co Ltd | Upper electrode plate for touch panel and device provided with the same |
| CN1385814A (en) * | 2001-05-15 | 2002-12-18 | 伊斯曼柯达公司 | Organic electroluminescence display with integrated touch screen |
| CN1427330A (en) * | 2001-12-17 | 2003-07-02 | Lg.飞利浦Lcd有限公司 | Signal line of touch panel display device and forming method thereof |
| JP2004348270A (en) * | 2003-05-20 | 2004-12-09 | Nissha Printing Co Ltd | Mounting structure for low-reflection touch panel and mounting sheet used for the same |
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| CN1649456A (en) | 2005-08-03 |
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