CN1652651A - Touch-controllable organic luminescent display - Google Patents
Touch-controllable organic luminescent display Download PDFInfo
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- CN1652651A CN1652651A CNA2005100590353A CN200510059035A CN1652651A CN 1652651 A CN1652651 A CN 1652651A CN A2005100590353 A CNA2005100590353 A CN A2005100590353A CN 200510059035 A CN200510059035 A CN 200510059035A CN 1652651 A CN1652651 A CN 1652651A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The organic luminescence display includes following parts and structures: a first base plate, an organic luminescence unit setup on the first base plate, a protective layer setup on the organic luminescence unit, a resistance type touch-control unit setup on the protective layer, and a second base plate setup on the resistance type touch-control unit.
Description
Technical field
The present invention relates to a kind of touch control type planar display, particularly relate to a kind of direct integrated touch element in organic light emitting display.
Background technology
(organic light emitting diode is OLED) for using the light-emitting diode of organic layer as active layer (active layer) for Organic Light Emitting Diode.In recent years, be used in gradually in the flat-panel screens field.Again because have that low voltage operating, high brightness, light weight are slim, advantages such as wide view angle and high reduced value, therefore be applicable in the portable apparatus purposes such as mobile phone and PDA(Personal Digital Assistant).
Touch control type planar display is applied to the indicator screen as mobile computer, personal computer usually, especially as on the portable electronic products such as personal digital assistant.Wherein some flat-panel screens is the location sensing escope, when stylus directly contacts display pannel, but the position of this this stylus of location sensing escope sensing.
For instance, existing electric resistance touch-control location sensing escope comprises an electric resistance touch-control panel and a stylus.When stylus directly or entity when contacting the electric resistance touch-control panel of this electric resistance touch-control location sensing escope, electric resistance touch-control panel receives and comes from touching of stylus, so that the position of electric resistance touch-control location sensing escope sensing stylus.
United States Patent (USP) discloses in early days No. 2002/0167270 and No. 2002/0171610 people such as Siwinski discloses a kind of organic light emitting display panel of integrated touch element.Fig. 1 is the schematic diagram of the touch-controllable organic luminescent display panel of demonstration prior art.Touch element 14 and organic light emitting display 52 are formed on the two substrates 50,12 severally, are assembled in then in the housing 68.50,12 of two substrates have a gap 72.Touch element 14 is electrically connected with external circuit with organic light emitting display 52 difference mat electrode extensions 16 and 67.Typical organic light emitting display 52 comprises anode electrode layer 54, electron transfer layer 56, organic luminous layer 58, hole transmission layer 60 and negative electrode layer 62.Be connected one drive circuit 64 between anode electrode layer 54 and the negative electrode layer 60.Organic light emitting display 52 belongs to the bottom-face luminous escope, is comprised the organic luminous layer that sends red (R), green (G), blue (B) three coloured light 66 by organic luminous layer 58.
With regard to the shared space of element, the gap 72 between touch element 14, organic light emitting display 52 and other substrate 50,12 and the substrate occupies suitable space.In addition, with regard to processing compatibility, individually form touch element 14 and organic light emitting display 52, quite expend the technology cost.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of integrated touch element, can reduce the component thickness after integrating in organic light emitting display.
According to above-mentioned purpose, the invention provides a kind of touch-controllable organic luminescent display, comprising: one first substrate; One organic light-emitting units is arranged on this first substrate; One protective layer is located on this organic light-emitting units; One electric resistance touch-control unit is arranged on this protective layer; And one second substrate, be arranged on this electric resistance touch-control unit.
According to embodiments of the invention, the electric resistance touch-control unit is an analog touch control component, comprising: one first electrode layer directly is arranged on this protective layer; And a second electrode lay, being arranged at second real estate on the one side of this organic light emitting display, folder is with a plurality of gaps between this first electrode layer and this second electrode lay.Another sample attitude of the embodiment of the invention, the electric resistance touch-control unit is a digital touch control component, comprising: many first parallel electrode wires directly are arranged on this protective layer; Many the second parallel electrode wires crisscross those first electrode wires, are arranged at second real estate on the one side of this organic light emitting display, and folder is with a plurality of gaps between this first electrode layer and this second electrode lay.
Below cooperate graphic and preferred embodiment, to illustrate in greater detail the present invention.
Description of drawings
Fig. 1 is the schematic diagram of the touch-controllable organic luminescent display panel of demonstration prior art;
Fig. 2 is for showing that integrated touch element according to the embodiment of the invention is in the generalized section of organic light emitting display;
Fig. 3 A is the schematic diagram of demonstration according to the organic light emitting display of the integration electric resistance touch-control unit of the embodiment of the invention; And
Fig. 3 B is the schematic diagram of digital electric resistance touch-control unit among the displayed map 3A.
The simple symbol explanation
Existing part (Fig. 1)
12,50～substrate; 14～touch element; 52～organic light emitting display; 54～anode electrode layer; 56～electron transfer layer; 58～organic luminous layer; 60～hole transmission layer; 62～negative electrode layer; 64～drive circuit; 66～red (R), green (G), blue (B) three coloured light; 68～housing; 72～gap; 16,67～electrode extends.
The present invention's part (Fig. 2～3B)
100,200～organic light emitting display; 110～the first substrates; 120～the first electrodes; 130～organic light-emitting units; 132～hole transmission layer; 134～luminescent layer; 136～electron transfer layer; 140～the second electrodes; 150～protective layer; 160～electric resistance touch-control unit; 161～the first electrode wires; 162～third electrode layer; 163～the second electrode wires; 164～the 4th electrode layers; 165～gap; 170～the second substrates; 180～sealing; 185～touch-control stylus.
Embodiment
Fig. 2 is the generalized section of demonstration according to the organic light emitting display 100 of the integrated touch element of the embodiment of the invention.Touch-controllable organic luminescent display; comprise one first substrate 110; one organic light-emitting units 130 is arranged on first substrate 110; one protective layer 150 is arranged on the organic light-emitting units 130; one electric resistance touch-control unit 160 is arranged on this protective layer 150, and one second substrate 170 is arranged on the electric resistance touch-control unit 150.Between electric resistance touch-control unit 160 and the organic light-emitting units 130, be electrically connected by a circuit (not icon).
The luminous form of organic luminescence display unit 130 is preferably the illuminated organic light-emitting units of end face, and is more particularly, promptly luminous towards this electric resistance touch-control cell orientation.Organic luminescence display unit 130 comprises one first electrode 120, and for example transparency conducting layer is arranged on first substrate 110, as the anode of organic luminescence display unit 130.First electrode 120 can be indium tin oxide (ITO), indium-zinc oxide (IZO), Zinc-aluminium (AZO) or zinc oxide (ZnO), and can be formed by sputtering method, electron beam evaporation plating method, hot vapour deposition method, chemical gaseous phase coating method and spray pyrolysis method.
One organic luminous layer structure comprises a hole transmission layer 132, is arranged on this first electrode 120, and an organic luminous layer 134 is arranged on this hole transmission layer 132.And an electron transfer layer 136, be arranged on this luminescent layer 134.Organic luminescence display unit 130 comprises micromolecule organic luminous layer or macromolecule organic luminous layer according to the composition of its luminescent layer 134.If organic luminous layer 134 is a micromolecule organic electric-excitation luminescent material, can utilize the vacuum evaporation mode to form; Yet, can use modes such as rotary coating, ink-jet or screen painting to be formed with the OLED material layer if organic luminous layer 134 is a macromolecule organic electric-excitation luminescent material.
One second electrode 140 is arranged on this organic luminous layer structure, as the anode of organic luminescence display unit 130.The material of second electrode 140 can be selected from the metal material or the composite material of Ca, Ag, Mg, Al, Li and other low working function, and generation type can be vacuum thermal evaporation or sputter mode.
One protective layer 150 is arranged on second electrode 140.The material of protective layer 150 comprises an insulating barrier, for example silicon nitride, silica, silicon oxynitride or carborundum.According to another embodiment of the present invention, the material of protective layer can also comprise metal material, for example the alloy of silver, aluminium, platinum or above-mentioned metal.
One electric resistance touch-control unit 160 is arranged on the protective layer 150.According to one embodiment of the invention, electric resistance touch-control unit 160 is an analog touch control component.It comprises third electrode layer 162, directly is arranged on this protective layer 150.One the 4th electrode layer 164 is arranged at second substrate 170 on the one side of this organic luminescence display unit 130, and folder is with a plurality of gaps 165 between third electrode layer 162 and the second electrode lay 164.
Around between first substrate 110 of the integrated touch element of the embodiment of the invention and second substrate 170, with sealing (sealer) 180 involutions.Perhaps, first substrate 110 and second substrate 170 metal outer frame involution for example.
Fig. 3 A is the schematic diagram of demonstration according to the organic light emitting display 200 of the integration electric resistance touch-control unit 160 of the embodiment of the invention.Numeral electric resistance touch-control element 160 comprises many along transverse axis directions X and first electrode wires 161 parallel to each other, directly is arranged on this protective layer 150.Many along longitudinal axis Y direction and second electrode wires 163 parallel to each other, crisscross those first electrode wires 161, be arranged at second substrate 170 on the one side of this organic light emitting display 130, folder is with a plurality of gaps 165 between this first electrode wires 161 and this second electrode wires 163.
Fig. 3 B is the schematic diagram of digital electric resistance touch-control unit 160 among the displayed map 3A.When a touch-control stylus 185 directly or in fact contacts this digital electric resistance touch-control sensing cell 160, by the intervening portion of first electrode wires 161 (directions X) and second electrode wires 163 (Y direction), promptly sensing the position coordinates (X, Y) of touch-control stylus 185 corresponding to organic light emitting display.
The invention has the advantages that provides direct integrated touch element on organic illuminated display element, is packaged between two opposing substrates again.Touch element and organic illuminated display element only every with protective layer, thereby can reduce component thickness after integrating.And, therefore can reduce the complexity of technology because the touch element directly is integrated on the organic illuminated 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. touch-controllable organic luminescent display comprises:
One first substrate;
One organic light-emitting units is arranged on this first substrate;
One protective layer is located on this organic light-emitting units;
One electric resistance touch-control unit is arranged on this protective layer; And
One second substrate is arranged on this electric resistance touch-control unit.
2. touch-controllable organic luminescent display as claimed in claim 1, wherein this organic luminescence display unit is luminous towards this electric resistance touch-control cell orientation.
3. touch-controllable organic luminescent display as claimed in claim 2, wherein this organic luminescence display unit comprises:
One first electrode is arranged on this first substrate;
One organic luminous layer is arranged on this first electrode; And
One second electrode is arranged on this organic luminous layer.
4. touch-controllable organic luminescent display as claimed in claim 1, wherein this organic light emitting display is a micromolecule type organic light emitting display (OLED).
5. touch-controllable organic luminescent display as claimed in claim 1, wherein this organic light emitting display is polymer electrolyte organic light emitting display (PLED).
6. touch-controllable organic luminescent display as claimed in claim 1, wherein this protective layer is an insulating barrier.
7. touch-controllable organic luminescent display as claimed in claim 6, this protective layer comprises silicon nitride, silica, silicon oxynitride or carborundum.
8. touch-controllable organic luminescent display as claimed in claim 1, wherein this protective layer is a metal level.
9. touch-controllable organic luminescent display as claimed in claim 8, this protective layer comprises the alloy of silver, aluminium, platinum or above-mentioned metal.
10. touch-controllable organic luminescent display as claimed in claim 1, this electric resistance touch-control unit is an analog touch control component, comprising:
One first electrode layer directly is arranged on this protective layer; And
One the second electrode lay is arranged at second real estate on the one side of this organic light emitting display, and folder is with a plurality of gaps between this first electrode layer and this second electrode lay.
11. touch-controllable organic luminescent display as claimed in claim 1, this electric resistance touch-control unit is a digital touch control component, comprising:
Many the first parallel electrode wires directly are arranged on this protective layer; And
Many the second parallel electrode wires crisscross those first electrode wires, are arranged at second real estate on the one side of this organic light emitting display, and folder is with a plurality of gaps between this first electrode layer and this second electrode lay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100590353A CN1652651A (en) | 2005-03-23 | 2005-03-23 | Touch-controllable organic luminescent display |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005100590353A CN1652651A (en) | 2005-03-23 | 2005-03-23 | Touch-controllable organic luminescent display |
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| CN1652651A true CN1652651A (en) | 2005-08-10 |
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| CNA2005100590353A Pending CN1652651A (en) | 2005-03-23 | 2005-03-23 | Touch-controllable organic luminescent display |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902396A (en) * | 2011-07-28 | 2013-01-30 | 宸鸿光电科技股份有限公司 | Touch display device and manufacturing method thereof |
| CN103064569A (en) * | 2006-04-20 | 2013-04-24 | 铼宝科技股份有限公司 | Transparent touch screen of upwards light emitting type organic light emitting diode |
| CN103092415A (en) * | 2013-01-18 | 2013-05-08 | 东莞市胜大光电科技有限公司 | Pure transparent conducting layer wiring touch screen panel |
| CN103092380A (en) * | 2011-11-02 | 2013-05-08 | 东莞万士达液晶显示器有限公司 | Touch control display panel |
| CN103197782A (en) * | 2012-01-05 | 2013-07-10 | 胜华科技股份有限公司 | Touch display device |
| CN103928493A (en) * | 2013-12-27 | 2014-07-16 | 上海天马有机发光显示技术有限公司 | Organic light-emitting display device and manufacturing method thereof |
| CN105224112A (en) * | 2014-05-26 | 2016-01-06 | 联想(北京)有限公司 | A kind of touch sensor, touch display screen and touch display packing |
| US9335855B2 (en) | 2006-04-14 | 2016-05-10 | Ritdisplay Corporation | Top-emitting OLED display having transparent touch panel |
| CN106356394A (en) * | 2016-10-27 | 2017-01-25 | 北京小米移动软件有限公司 | Display substrate and manufacturing method thereof as well as electronic equipment |
-
2005
- 2005-03-23 CN CNA2005100590353A patent/CN1652651A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9335855B2 (en) | 2006-04-14 | 2016-05-10 | Ritdisplay Corporation | Top-emitting OLED display having transparent touch panel |
| CN103064569A (en) * | 2006-04-20 | 2013-04-24 | 铼宝科技股份有限公司 | Transparent touch screen of upwards light emitting type organic light emitting diode |
| CN103064569B (en) * | 2006-04-20 | 2016-08-10 | 铼宝科技股份有限公司 | The upwards transparent touch screen of luminescent organic LED |
| US9647040B2 (en) | 2011-07-28 | 2017-05-09 | Tpk Touch Solutions Inc. | Touch display device and manufacturing method thereof |
| CN102902396A (en) * | 2011-07-28 | 2013-01-30 | 宸鸿光电科技股份有限公司 | Touch display device and manufacturing method thereof |
| CN102902396B (en) * | 2011-07-28 | 2016-06-15 | 宸鸿光电科技股份有限公司 | Touch display device and manufacturing method thereof |
| CN103092380A (en) * | 2011-11-02 | 2013-05-08 | 东莞万士达液晶显示器有限公司 | Touch control display panel |
| CN103197782A (en) * | 2012-01-05 | 2013-07-10 | 胜华科技股份有限公司 | Touch display device |
| CN103092415A (en) * | 2013-01-18 | 2013-05-08 | 东莞市胜大光电科技有限公司 | Pure transparent conducting layer wiring touch screen panel |
| CN103928493A (en) * | 2013-12-27 | 2014-07-16 | 上海天马有机发光显示技术有限公司 | Organic light-emitting display device and manufacturing method thereof |
| CN105224112A (en) * | 2014-05-26 | 2016-01-06 | 联想(北京)有限公司 | A kind of touch sensor, touch display screen and touch display packing |
| CN105224112B (en) * | 2014-05-26 | 2019-07-26 | 联想(北京)有限公司 | A kind of touch sensor, touch display screen and touch display methods |
| CN106356394A (en) * | 2016-10-27 | 2017-01-25 | 北京小米移动软件有限公司 | Display substrate and manufacturing method thereof as well as electronic equipment |
| US10516005B2 (en) | 2016-10-27 | 2019-12-24 | Beijing Xiaomi Mobile Software Co., Ltd. | Display substrate of electronic device and method for manufacturing same |
| US10818736B2 (en) | 2016-10-27 | 2020-10-27 | Beijing Xiaomi Mobile Software Co., Ltd. | Display substrate of electronic device and method for manufacturing same |
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