CN103700691A - Display substrate and display device - Google Patents
Display substrate and display device Download PDFInfo
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- CN103700691A CN103700691A CN201310723581.7A CN201310723581A CN103700691A CN 103700691 A CN103700691 A CN 103700691A CN 201310723581 A CN201310723581 A CN 201310723581A CN 103700691 A CN103700691 A CN 103700691A
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- substrate
- solar cell
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention provides a display substrate and a display device. The display substrate comprises a first substrate, a second substrate and an organic light emitting device positioned between the first substrate and the second substrate. The display substrate is characterized by also comprising a first solar battery, wherein the first solar battery is positioned between the first substrate and the second substrate and is used for converting light received by the first solar battery into electric energy of the organic light emitting device. The display substrate and the display device provided by the invention have the advantages that the solar battery is integrated in the display substrate and converts the light received by the solar battery into the electric energy of the organic light emitting device, so that additional energy is provided for the organic light emitting device and further the working time of the display device is effectively prolonged.
Description
Technical field
The present invention relates to demonstration field, relate in particular to a kind of display base plate and display unit.
Background technology
Current, display unit is towards high brightness, high-contrast, high-resolution development, and these all require designer and manufacturer will develop the display product of low-power consumption.Display Technique has developed and has comprised liquid crystal display (Liquid Crystal Display at present, LCD), Field Emission Display (Field Emission Display, FED), plasma scope (Plasma Display Panel, and the Display Technique such as Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) PDP).Wherein, Organic Light Emitting Diode is spontaneous luminescent device, and is dot matrix display base plate.OLED has that DC low-voltage drives, energy-conservation, high brightness, bright in luster, high efficiency, high reduced value, the advantage such as frivolous, and its glow color is by red (Red, R), green (Green, G), blue (Blue, B) three primary colors can develop into white and other colors, as orange.At present there is different company to develop different OLED display unit, be applied to different fields, as mobile phone shows, television set, notebook shows, automobile instrument demonstration etc.Yet, because high-contrast, high brightness, high-resolution requirement have increased the power consumption of OLED display unit, thus the service time of having reduced display unit.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: the service time that how to extend OLED display unit.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of display base plate, comprise first substrate, second substrate and the organic luminescent device between described first substrate and described second substrate, it is characterized in that, also comprise the first solar cell, between described first substrate and described second substrate, for the light that described the first solar cell is received, be converted to described organic light-emitting device electric energy.
Further, the position non-overlapping copies of described organic light-emitting device position and described the first solar cell.
Further, also comprise storage battery, be connected with described organic luminescent device with described the first solar cell respectively, the electric energy being converted to for storing described the first solar cell, and provide electric energy to described organic luminescent device.
Further, described the first solar cell is connected with described organic luminescent device by backward diode.
Further, also comprise planarization layer, described planarization layer is arranged between described organic luminescent device and described the first solar cell.
Further, described light is for seeing through the ambient light of described first substrate, described display base plate also comprises the second solar cell between described organic luminescent device and described second substrate, for the light that described organic luminescent device is sent, is converted to described organic light-emitting device electric energy.
Further, described light is for seeing through the ambient light of described second substrate, described display base plate also comprises the 3rd solar cell between described organic luminescent device and described first substrate, for the light that described organic luminescent device is sent, is converted to described organic light-emitting device electric energy.
Further, described the first solar cell comprises:
Underlay substrate;
Resilient coating on described underlay substrate;
The first electrode and the second electrode; And
Photoelectric conversion unit between described the first electrode and described the second electrode, described photoelectric conversion unit comprises p-type semiconductor layer, intrinsic (i-type) semiconductor layer, n-type semiconductor layer.
Further, described organic luminescent device is active matrix organic light-emitting diode or passive type organic electric exciting light-emitting diode.
For addressing the above problem, the invention provides a kind of display unit, comprise above-mentioned any one display base plate.
(3) beneficial effect
The present invention is by integrated solar cell inside display base plate, and this solar cell is converted to this organic light-emitting device electric energy by the light of reception, thereby for organic luminescent device provides the extra energy, and then the operating time of effective prolonged display part.
Accompanying drawing explanation
Fig. 1 is the structure chart of the first display base plate of providing of embodiment of the present invention;
Fig. 2 is the structure chart of the second display base plate of providing of embodiment of the present invention;
Fig. 3 is the vertical view of a kind of display base plate of providing of embodiment of the present invention;
Fig. 4 is the structure chart of the third display base plate of providing of embodiment of the present invention;
Fig. 5 is the structure chart of the 4th kind of display base plate providing of embodiment of the present invention;
Fig. 6 is the structure chart of the 5th kind of display base plate providing of embodiment of the present invention;
The structure chart of the display unit that Fig. 7 provides for embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Core concept of the present invention is: utilize sunlight or other light to provide additional electrical energy for the organic luminescent device in display base plate, and then effective operating time of prolonged display part.
Fig. 1 is the structure chart of a kind of display base plate of providing of embodiment of the present invention, this display base plate comprises first substrate 1, second substrate 2 and the organic luminescent device (OLED) 3 between first substrate 1 and second substrate 2, also comprise the first solar cell 4, between described first substrate 1 and described second substrate 2, for the light that described the first solar cell 4 is received, be converted to the electric energy of described organic luminescent device 3.
Particularly, this organic luminescent device 3 can be AMOLED(Active Matrix/Organic Light Emitting Diode, active matrix organic light-emitting diode) or PMOLED(Passive matrix/Organic Light Emitting Diode, passive type organic electric exciting light-emitting diode), this first substrate 1 and second substrate 2 are made by glass material.
Wherein, referring to Fig. 2, described the first solar cell 4 comprises:
The first electrode 43 and the second electrode 47; And
Photoelectric conversion unit between described the first electrode 43 and described the second electrode 47, described photoelectric conversion unit comprises p-type semiconductor layer 44, intrinsic (i-type) semiconductor layer 45, n-type semiconductor layer 46.
It should be noted that, the first solar cell in the present invention also can directly be made on first substrate and/or second substrate, is about to first substrate and/or second substrate as the underlay substrate of solar cell.
In embodiment of the present invention, solar cell can be thin-film solar cells, can pass through PVD(physical vapor deposition, physical vapour deposition (PVD)) or CVD (Chemical vapor deposition, chemical vapour deposition (CVD)) mode is produced on glass substrate, also can by the mode of spin coating or ink-jet, be produced on glass substrate, its structure can be that p-i-n single-unit structure can be also multi-section structure, in addition, the material of making solar cell can be amorphous silicon, nanocrystal silicon, microcrystal silicon, Cu-In selenide, cadmium telluride, GaAs, dye-sensitized material, the materials such as organic conductive macromolecule.
This organic luminescent device (OLED) 3 comprises cathode electrode 31, electron injecting layer 32, electron transfer layer 33, luminescent layer 34, hole transmission layer 35, hole injection layer 36 and anode electrode 37.
Preferably, this display base plate also comprises planarization layer 9, described planarization layer is arranged between described organic luminescent device and described the first solar cell, and then it is uneven to eliminate the glass substrate causing due to solar cell, wherein, this planarization layer can be polyacrylate (ACR) layer or polyimides (PI) layer.
Wherein, in order not affect the display effect of display base plate, the position non-overlapping copies of the position of described organic luminescent device (OLED) 3 and described the first solar cell 4, referring to Fig. 3, Fig. 3 is the vertical view of a kind of display base plate of providing of embodiment of the present invention, described the first solar cell 4 is arranged to the region beyond the luminous zone of described organic luminescent device (OLED) 3, and then can guarantee that the light that organic luminescent device (OLED) 3 produces while working is not absorbed by the first solar cell 4, thereby can not affect the display effect of display base plate.
Preferably, above-mentioned display base plate also comprises storage battery, be connected with organic luminescent device (OLED) 3 with the first solar cell 4 respectively, and the electric energy being converted to for storing the first solar cell 4, and provide electric energy to organic luminescent device (OLED) 3.This storage battery can be stored the electric energy of the first solar cell 4 conversions, then to organic luminescent device (OLED) 3, provides stable voltage.Preferably, described the first solar cell can be connected with described organic luminescent device by backward diode, thereby makes the electric current only can be from the first solar cell to storage battery one-way flow.
Particularly, this display base plate can be end emission mode, referring to Fig. 1, first by solar energy production process, the first solar cell 4 is produced on first substrate 1, then according to OLED technique, make upper organic luminescent device (OLED) 3 on this basis, preferably, this first solar cell 4 is arranged on the region showing without OLED on first substrate 1, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and the first solar cell 4, and then first substrate 1 and second substrate 2 are encapsulated by sealed plastic box 5, wherein, the main ambient light that sees through first substrate 1 that receives of the first solar cell 4, then the light receiving is converted to power storage in storage battery, by storage battery, be that organic luminescent device (OLED) 3 provides extra electric energy again, and then the operating time of effective prolonged display part.
Preferably, in order to extend further the service time of organic luminescent device (OLED) 3, can also on the basis of the display base plate shown in Fig. 1, increase again by the second solar cell 6, particularly, referring to Fig. 4, first by solar energy production process, the first solar cell 4 is produced on first substrate 1, then according to OLED technique, make organic luminescent device (OLED) 3 on this basis, preferably, this first solar cell 4 is arranged on the region showing without OLED on first substrate 1, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and described the first solar cell 4, again at second substrate second solar cell 6 of making again on glass, specifically the second solar cell 6 can be arranged to the position between organic luminescent device (OLED) 3 and second substrate 2, and then first substrate 1 and second substrate 2 are encapsulated by sealed plastic box 5, wherein, the main ambient light that sees through first substrate 1 that receives of the first solar cell 4, the main light being sent by organic luminescent device (OLED) 3 one sides that receives of the second solar cell 6, the light that organic luminescent device (OLED) 3 opposite sides send is for providing demonstration, the first solar cell 4 and the second solar cell 6 are converted to power storage in storage battery by the light receiving, by storage battery, be that organic luminescent device (OLED) 3 provides extra electric energy again, wherein, in order to make the second solar cell 6 receive better the light being sent by organic luminescent device (OLED) 3, the second solar cell 6 can be arranged on organic luminescent device (OLED) 3 luminous over against region.
In addition, this display base plate can be top emission mode, referring to Fig. 5, first by solar energy production process, the first solar cell 4 is produced on second substrate 2, then according to OLED technique, make upper organic luminescent device (OLED) 3 on this basis, preferably, this first solar cell 4 is arranged on the region showing without OLED on second substrate 2, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and the first solar cell 4, and then first substrate 1 and second substrate 2 are encapsulated by sealed plastic box 5, wherein, the main ambient light that sees through second substrate 2 that receives of the first solar cell 4, then the light receiving is converted to power storage in storage battery, by storage battery, be that organic luminescent device (OLED) 3 provides extra electric energy again, and then the operating time of effective prolonged display part.
Preferably, in order to extend further the service time of organic luminescent device (OLED) 3, can also on the basis of the display base plate shown in Fig. 5, increase again by the 3rd solar cell 7, particularly, referring to Fig. 6, first by solar energy production process, the first solar cell 4 is produced on second substrate 2, then according to OLED technique, make upper organic luminescent device (OLED) 3 on this basis, preferably, this first solar cell 4 is arranged on the region showing without OLED on second substrate 2, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and described the first solar cell 4, on first substrate 1, make again again the 3rd solar cell 7, specifically the 3rd solar cell 7 can be arranged to the position between organic luminescent device (OLED) 3 and first substrate 1, and then first substrate 1 and second substrate 2 are encapsulated by sealed plastic box 5, wherein, the main ambient light that sees through second substrate 2 that receives of the first solar cell 4, the main light being sent by a side of organic luminescent device (OLED) 3 that receives of the 3rd solar cell 7, the light that organic luminescent device (OLED) 3 opposite sides send is for providing demonstration, the first solar cell 4 and the 3rd solar cell 7 are converted to power storage in storage battery by the light receiving, by storage battery, be that organic luminescent device (OLED) 3 provides extra electric energy again, wherein, in order to make the 3rd solar cell 7 receive better the light being sent by organic luminescent device (OLED) 3, the 3rd solar cell 7 can be arranged on organic luminescent device (OLED) 3 luminous over against region.
In addition, the present invention also provides a kind of display unit, comprises above-mentioned any one display base plate.Referring to Fig. 7, this display unit comprises a plurality of above-mentioned display base plate 8 that matrix is arranged.This display unit can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
The present invention is by integrated solar cell inside display base plate, and this solar cell is converted to this organic light-emitting device electric energy by the light of reception, thereby for organic luminescent device provides the extra energy, and then the operating time of effective prolonged display part.
Above execution mode is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. a display base plate, comprise first substrate, second substrate and the organic luminescent device between described first substrate and described second substrate, it is characterized in that, also comprise the first solar cell, between described first substrate and described second substrate, for the light that described the first solar cell is received, be converted to described organic light-emitting device electric energy.
2. display base plate according to claim 1, is characterized in that, the position non-overlapping copies of described organic light-emitting device position and described the first solar cell.
3. display base plate according to claim 1, it is characterized in that, also comprise storage battery, be connected with described organic luminescent device with described the first solar cell respectively, for storing the electric energy that described the first solar cell is converted to, and provide electric energy to described organic luminescent device.
4. display base plate according to claim 3, is characterized in that, described the first solar cell is connected with described organic luminescent device by backward diode.
5. display base plate according to claim 1, is characterized in that, also comprises planarization layer, and described planarization layer is arranged between described organic luminescent device and described the first solar cell.
6. display base plate according to claim 2, it is characterized in that, described light is for seeing through the ambient light of described first substrate, described display base plate also comprises the second solar cell between described organic luminescent device and described second substrate, for the light that described organic luminescent device is sent, is converted to described organic light-emitting device electric energy.
7. display base plate according to claim 2, it is characterized in that, described light is for seeing through the ambient light of described second substrate, described display base plate also comprises the 3rd solar cell between described organic luminescent device and described first substrate, for the light that described organic luminescent device is sent, is converted to described organic light-emitting device electric energy.
8. display base plate according to claim 1, is characterized in that, described the first solar cell comprises:
Underlay substrate;
Resilient coating on described underlay substrate;
The first electrode and the second electrode; And
Photoelectric conversion unit between described the first electrode and described the second electrode, described photoelectric conversion unit comprises p-type semiconductor layer, intrinsic semiconductor layer, n-type semiconductor layer.
9. according to the display base plate described in claim 1 to 8 any one, it is characterized in that, described organic luminescent device is active matrix organic light-emitting diode or passive type organic electric exciting light-emitting diode.
10. a display unit, is characterized in that, comprises the display base plate as described in claim 1 to 9 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310723581.7A CN103700691B (en) | 2013-12-24 | 2013-12-24 | Display base plate and display device |
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| CN201310723581.7A CN103700691B (en) | 2013-12-24 | 2013-12-24 | Display base plate and display device |
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| CN103700691A true CN103700691A (en) | 2014-04-02 |
| CN103700691B CN103700691B (en) | 2016-06-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985734A (en) * | 2014-04-16 | 2014-08-13 | 京东方科技集团股份有限公司 | Transparent display device and manufacturing method thereof |
| CN107742627A (en) * | 2017-09-28 | 2018-02-27 | 京东方科技集团股份有限公司 | The preparation method of display panel and display panel |
| CN108475127A (en) * | 2016-03-04 | 2018-08-31 | 株式会社藤仓 | Input unit |
| CN109300969A (en) * | 2018-11-22 | 2019-02-01 | 京东方科技集团股份有限公司 | A kind of electroluminescence display panel, its production method and display device |
| CN109904189A (en) * | 2019-03-15 | 2019-06-18 | 京东方科技集团股份有限公司 | Pixel unit and array substrate, display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103985734A (en) * | 2014-04-16 | 2014-08-13 | 京东方科技集团股份有限公司 | Transparent display device and manufacturing method thereof |
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| CN109300969A (en) * | 2018-11-22 | 2019-02-01 | 京东方科技集团股份有限公司 | A kind of electroluminescence display panel, its production method and display device |
| CN109904189A (en) * | 2019-03-15 | 2019-06-18 | 京东方科技集团股份有限公司 | Pixel unit and array substrate, display device |
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| CN103700691B (en) | 2016-06-22 |
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