CN103700691B - Display base plate and display device - Google Patents
Display base plate and display device Download PDFInfo
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- CN103700691B CN103700691B CN201310723581.7A CN201310723581A CN103700691B CN 103700691 B CN103700691 B CN 103700691B CN 201310723581 A CN201310723581 A CN 201310723581A CN 103700691 B CN103700691 B CN 103700691B
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- solaode
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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 present invention provides a kind of display base plate and display device, this display base plate includes first substrate, second substrate and the organic luminescent device between this first substrate and this second substrate, it is characterized in that, also include the first solaode, between this first substrate and this second substrate, for the light that this first solaode receives being converted to the electric energy of this organic luminescent device。The present invention is by integrated solar cell inside display base plate, and the light of reception is converted to the electric energy of this organic luminescent device by this solaode, thus providing the extra energy and then the working time of effective prolonged display part for organic luminescent device。
Description
Technical field
The present invention relates to display field, particularly relate to a kind of display base plate and display device。
Background technology
Currently, display device is towards high brightness, high-contrast, high-resolution development, and these are desirable that designer and manufacturer to develop the display product of low-power consumption。Current Display Technique has been developed that and includes liquid crystal display (LiquidCrystalDisplay, LCD), Field Emission Display (FieldEmissionDisplay, FED), plasma scope (PlasmaDisplayPanel, and the Display Technique such as Organic Light Emitting Diode (OrganicLightEmittingDiode, OLED) PDP),。Wherein, Organic Light Emitting Diode is spontaneous luminescent device, and is dot matrix display base plate。OLED have DC low-voltage drive, 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。Having had different company to develop different OLED display at present, be applied to different fields, as mobile phone shows, television set, notebook shows, automobile instrument shows。But, owing to high-contrast, high brightness, high-resolution requirement add the power consumption of OLED display, thus reducing the use time of display device。
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is: how to extend the use time of OLED display。
(2) technical scheme
For solving above-mentioned technical problem, the invention provides a kind of display base plate, including first substrate, second substrate and the organic luminescent device between described first substrate and described second substrate, it is characterized in that, also include the first solaode, between described first substrate and described second substrate, for the light that described first solaode receives being converted to the electric energy of described organic luminescent device。
Further, the position non-overlapping copies of the position of described organic luminescent device and described first solaode。
Further, also include accumulator, be connected with described first solaode and described organic luminescent device respectively, for storing the electric energy that described first solaode is converted to, and provide electric energy to described organic luminescent device。
Further, described first solaode is connected with described organic luminescent device by backward diode。
Further, also including planarization layer, described planarization layer is arranged between described organic luminescent device and described first solaode。
Further, described light is the ambient light through described first substrate, described display base plate also includes the second solaode between described organic luminescent device and described second substrate, for the light that described organic luminescent device sends is converted to the electric energy of described organic luminescent device。
Further, described light is the ambient light through described second substrate, described display base plate also includes the 3rd solaode between described organic luminescent device and described first substrate, for the light that described organic luminescent device sends is converted to the electric energy of described organic luminescent device。
Further, described first solaode includes:
Underlay substrate；
Cushion on described underlay substrate；
First electrode and the second electrode；And
Photoelectric conversion unit between described first electrode and described 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 solving the problems referred to above, the present invention provides a kind of display device, including any one display base plate above-mentioned。
(3) beneficial effect
The present invention is by integrated solar cell inside display base plate, and the light of reception is converted to the electric energy of this organic luminescent device by this solaode, thus providing the extra energy and then the working time of effective prolonged display part for organic luminescent device。
Accompanying drawing explanation
Fig. 1 is the structure chart of the first display base plate that embodiment of the present invention provides；
Fig. 2 is the structure chart of the second display base plate that embodiment of the present invention provides；
Fig. 3 is the top view of a kind of display base plate that embodiment of the present invention provides；
Fig. 4 is the structure chart of the third display base plate that embodiment of the present invention provides；
Fig. 5 is the structure chart of the 4th kind of display base plate that embodiment of the present invention provides；
Fig. 6 is the structure chart of the 5th kind of display base plate that embodiment of the present invention provides；
The structure chart of the display device that Fig. 7 provides for embodiment of the present invention。
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail。Following example are used for illustrating the present invention, but are not limited to the scope of the present invention。
The core concept of the present invention is: utilize sunlight or other light to provide additional electrical energy and then the working time of effective prolonged display part for the organic luminescent device in display base plate。
Fig. 1 is the structure chart of a kind of display base plate that embodiment of the present invention provides, this display base plate includes first substrate 1, second substrate 2 and the organic luminescent device (OLED) 3 between first substrate 1 and second substrate 2, also include the first solaode 4, between described first substrate 1 and described second substrate 2, for the light that described first solaode 4 receives being converted to the electric energy of described organic luminescent device 3。
Specifically, this organic luminescent device 3 can be AMOLED(ActiveMatrix/OrganicLightEmittingDiode, active matrix organic light-emitting diode) or PMOLED(Passivematrix/OrganicLightEmittingDiode, passive type organic electric exciting light-emitting diode), this first substrate 1 and second substrate 2 are made up of glass material。
Wherein, referring to Fig. 2, described first solaode 4 includes:
Underlay substrate 41；
Cushion 42 on described underlay substrate 41；
First electrode 43 and the second electrode 47；And
Photoelectric conversion unit between described first electrode 43 and described 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 solaode in the present invention can also directly make on first substrate and/or second substrate, by underlay substrate as solaode of first substrate and/or second substrate。
In embodiment of the present invention, solaode can be thin-film solar cells, PVD(physicalvapordeposition can be passed through, physical vapour deposition (PVD)) or CVD (Chemicalvapordeposition, chemical vapour deposition (CVD)) mode make on the glass substrate, can also make on the glass substrate by the mode of spin coating or ink-jet, its structure can be p-i-n single-unit structure can also be multi-section structure, in addition, the material making solaode can be non-crystalline 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 includes 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 includes planarization layer 9, described planarization layer is arranged between described organic luminescent device and described first solaode, and then it is uneven to eliminate the glass substrate caused due to solaode, wherein, this planarization layer can be polyacrylate (ACR) layer or polyimides (PI) layer。
Wherein, in order to 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 first solaode 4, referring to Fig. 3, Fig. 3 is the top view of a kind of display base plate that embodiment of the present invention provides, described first solaode 4 is arranged at the region beyond the luminous zone of described organic luminescent device (OLED) 3, and then ensure that when organic luminescent device (OLED) 3 works, produced light is not absorbed by the first solaode 4, thus without influence on the display effect of display base plate。
Preferably, above-mentioned display base plate also includes accumulator, is connected with the first solaode 4 and organic luminescent device (OLED) 3 respectively, for storing the electric energy that the first solaode 4 is converted to, and provides electric energy to organic luminescent device (OLED) 3。The electric energy that first solaode 4 is changed can be stored by this accumulator, then provides stable voltage to organic luminescent device (OLED) 3。Preferably, described first solaode can be connected with described organic luminescent device by backward diode, so that electric current only can from the first solaode to accumulator one-way flow。
Specifically, this display base plate can be bottom emitting pattern, referring to Fig. 1, first pass through solar energy manufacturing process and the first solaode 4 is made on first substrate 1, then upper organic luminescent device (OLED) 3 is made according to OLED technique on this basis, preferably, this first solaode 4 arranges on first substrate 1 without the OLED region shown, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and the first solaode 4, then again first substrate 1 and second substrate 2 are packaged by sealed plastic box 5, wherein, first solaode 4 primary recipient is through the ambient light of first substrate 1, then the light received is converted to electric energy and is stored in accumulator, it is that organic luminescent device (OLED) 3 provides extra electric energy by accumulator again, and then the working time of effective prolonged display part。
Preferably, in order to extend the use time of organic luminescent device (OLED) 3 further, the second solaode 6 can also be further added by the basis of the display base plate shown in Fig. 1, specifically, referring to Fig. 4, first pass through solar energy manufacturing process and the first solaode 4 is made on first substrate 1, then organic luminescent device (OLED) 3 is made according to OLED technique on this basis, preferably, this first solaode 4 arranges on first substrate 1 without the OLED region shown, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and described first solaode 4, the second solaode 6 is made again again on second substrate glass, specifically the second solaode 6 can be arranged at the position between organic luminescent device (OLED) 3 and second substrate 2, then again first substrate 1 and second substrate 2 are packaged by sealed plastic box 5, wherein, first solaode 4 primary recipient is through the ambient light of first substrate 1, the light that second solaode 6 primary recipient is sent by organic luminescent device (OLED) 3 side, the light that organic luminescent device (OLED) 3 opposite side sends is for providing display, the light received is converted to electric energy and is stored in accumulator by the first solaode 4 and the second solaode 6, it is that organic luminescent device (OLED) 3 provides extra electric energy by accumulator again, wherein, the light sent by organic luminescent device (OLED) 3 to make the second solaode 6 receive better, second solaode 6 can be arranged on organic luminescent device (OLED) 3 luminescence just to region。
In addition, this display base plate can be top emitting pattern, referring to Fig. 5, first pass through solar energy manufacturing process and the first solaode 4 is made on second substrate 2, then upper organic luminescent device (OLED) 3 is made according to OLED technique on this basis, preferably, this first solaode 4 arranges on second substrate 2 without the OLED region shown, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and the first solaode 4, then again first substrate 1 and second substrate 2 are packaged by sealed plastic box 5, wherein, first solaode 4 primary recipient is through the ambient light of second substrate 2, then the light received is converted to electric energy and is stored in accumulator, it is that organic luminescent device (OLED) 3 provides extra electric energy by accumulator again, and then the working time of effective prolonged display part。
Preferably, in order to extend the use time of organic luminescent device (OLED) 3 further, the 3rd solaode 7 can also be further added by the basis of the display base plate shown in Fig. 5, specifically, referring to Fig. 6, first pass through solar energy manufacturing process and the first solaode 4 is made on second substrate 2, then upper organic luminescent device (OLED) 3 is made according to OLED technique on this basis, preferably, this first solaode 4 arranges on second substrate 2 without the OLED region shown, the i.e. position non-overlapping copies of the position of this organic luminescent device (OLED) 3 and described first solaode 4, make the 3rd solaode 7 more on first substrate 1 again, specifically the 3rd solaode 7 can be arranged at the position between organic luminescent device (OLED) 3 and first substrate 1, then again first substrate 1 and second substrate 2 are packaged by sealed plastic box 5, wherein, first solaode 4 primary recipient is through the ambient light of second substrate 2, the light that 3rd solaode 7 primary recipient is sent by the side of organic luminescent device (OLED) 3, the light that organic luminescent device (OLED) 3 opposite side sends is for providing display, the light received is converted to electric energy and is stored in accumulator by the first solaode 4 and the 3rd solaode 7, it is that organic luminescent device (OLED) 3 provides extra electric energy by accumulator again, wherein, the light sent by organic luminescent device (OLED) 3 to make the 3rd solaode 7 receive better, 3rd solaode 7 can be arranged on organic luminescent device (OLED) 3 luminescence just to region。
Additionally, present invention also offers a kind of display device, including any one display base plate above-mentioned。Referring to Fig. 7, this display device includes the multiple above-mentioned display base plate 8 of matrix arrangement。This display device can be: any product with display function or the parts 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 the light of reception is converted to the electric energy of this organic luminescent device by this solaode, thus providing the extra energy and then the working time of effective prolonged display part for organic luminescent device。
Embodiment of above is merely to illustrate the present invention; and it is not limitation of the present invention; those of ordinary skill about technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes fall within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims。
Claims (7)
1. a display base plate, including first substrate, second substrate and the organic luminescent device between described first substrate and described second substrate, it is characterized in that, also include the first solaode, between described first substrate and described second substrate, for the light that described first solaode receives being converted to the electric energy of described organic luminescent device；
The position non-overlapping copies of the position of described organic luminescent device and described first solaode；
Described display base plate also includes the second solaode or the 3rd solaode, described second solaode is between described organic luminescent device and described second substrate, described second solaode for being converted to the electric energy of described organic luminescent device by the light that the described organic luminescent device received sends, described 3rd solaode is between described organic luminescent device and described first substrate, and described 3rd solaode for being converted to the electric energy of described organic luminescent device by the light that the described organic luminescent device received sends。
2. display base plate according to claim 1, it is characterized in that, also include accumulator, be connected with described first solaode and described organic luminescent device respectively, for storing the electric energy that described first solaode is converted to, and provide electric energy to described organic luminescent device。
3. display base plate according to claim 2, it is characterised in that described first solaode is connected with described organic luminescent device by backward diode。
4. display base plate according to claim 1, it is characterised in that also include planarization layer, described planarization layer is arranged between described organic luminescent device and described first solaode。
5. display base plate according to claim 1, it is characterised in that described first solaode includes:
Underlay substrate；
Cushion on described underlay substrate；
First electrode and the second electrode；And
Photoelectric conversion unit between described first electrode and described second electrode, described photoelectric conversion unit comprises p-type semiconductor layer, intrinsic semiconductor layer, n-type semiconductor layer。
6. the display base plate according to claim 1 to 5 any one, it is characterised in that described organic luminescent device is active matrix organic light-emitting diode or passive type organic electric exciting light-emitting diode。
7. a display device, it is characterised in that include the display base plate as described in claim 1 to 6 any one。
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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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| CN103700691B true CN103700691B (en) | 2016-06-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103985734B (en) | 2014-04-16 | 2017-03-08 | 京东方科技集团股份有限公司 | A kind of transparent display and preparation method thereof |
| JP6598710B2 (en) * | 2016-03-04 | 2019-10-30 | 株式会社フジクラ | Input device |
| 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 |
| 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 |
| CN109904189B (en) * | 2019-03-15 | 2021-03-02 | 京东方科技集团股份有限公司 | Pixel unit, array substrate and display device |
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| CN101226955A (en) * | 2008-01-29 | 2008-07-23 | 昆山维信诺显示技术有限公司 | Organic electroluminescent device |
| CN201178100Y (en) * | 2007-10-16 | 2009-01-07 | 西安海晶光电科技有限公司 | Organic electro-luminescence display screen having organic solar cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7154235B2 (en) * | 2002-09-30 | 2006-12-26 | Ritdisplay Corporation | Organic electroluminescent device having solar cells |
| TWI220239B (en) * | 2003-08-01 | 2004-08-11 | Ind Tech Res Inst | Self-charged organic electro-luminescence display |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178100Y (en) * | 2007-10-16 | 2009-01-07 | 西安海晶光电科技有限公司 | Organic electro-luminescence display screen having organic solar cell |
| CN101226955A (en) * | 2008-01-29 | 2008-07-23 | 昆山维信诺显示技术有限公司 | Organic electroluminescent device |
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