CN201462635U - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN201462635U CN201462635U CN2009200764895U CN200920076489U CN201462635U CN 201462635 U CN201462635 U CN 201462635U CN 2009200764895 U CN2009200764895 U CN 2009200764895U CN 200920076489 U CN200920076489 U CN 200920076489U CN 201462635 U CN201462635 U CN 201462635U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a lighting device. The lighting device comprises a first electrode layer, an organic light emitting layer, a second electrode layer, a solar semiconductor composite layer and a third electrode layer which are arranged in sequence in an overlapped manner, wherein the first electrode layer is electrically connected with the third electrode layer. The device is applied to the lighting field by using the organic light emitting diode, utilizes the clean energy during the lighting by combining the solar energy technology, saves the energy resources when achieving good lighting effect, avoids the waste of the energy resources and the pollution to the environment, has simple structure and is suitable for all the fields by adopting the thinning design.
Description
Technical field
The utility model relates to and shows and lighting technical field particularly a kind of lighting device.
Background technology
Organic Light Emitting Diode (OLED) is a kind of brand-new Display Technique, and its display quality can be comparable with thin film transistor (TFT) active driven liquid crystal display (TFT LCD), and price is cheap more than it, and it will initiate challenge to widely used LCD technology.Brightness surpasses 1000cd/m when C.W.Tang in 1987 and VanSlyke have reported low voltage operating
2Double-deck organic film luminescent device since, OLED is because of its luminosity height, rich color, low-voltage direct drive, preparation technology is simple etc. in FPD significant advantage, thereby becomes the focus of international research day by day.In less than the time in 20 years, OLED enters the industrialization stage by research.
The basic structure of OLED display screen is by the indium tin oxide of a thin and transparent tool characteristic of semiconductor (ITO), links to each other with the positive pole of electric power, adds another metallic cathode, is bundled into the structure as sandwich.Comprised in the total layer: hole transmission layer (HTL), luminescent layer (EL) and electron transfer layer (ETL).When supplying power to appropriate voltage, anodal hole will combine in luminescent layer with the negative electrode electric charge, produces light, according to the different red, green and blue RGB three primary colors that produce of its prescription, constitutes basic color.The characteristic of OLED is own luminous, needs backlightly unlike TFT LCD, so visibility and brightness are all high, next is the low and province's electrical efficiency height of voltage requirements, adds fast, in light weight, the thin thickness of reaction, simple structure, cost is low etc., is one of flat panel display developing direction in the future.And touch-screen is integrated in the OLED display screen, can provide better User Interface for the OLED display screen, and integrated touch screen can reduce the thickness of OLED display screen module and improve light transmittance, have good application prospects.
OLED comprises top luminous (Top emission) and the end luminous (Bottom emission) two kinds of structures.
See also Fig. 1, it is depicted as the structural representation of end illuminating OLED.End luminous OLED display screen, from bottom to top folded successively being provided with: glass substrate 110, TFT (thin film transistor (TFT)) and electrode wires layer 120, transparent anode electrode layer 130, organic luminous layer 140, it is generally by hole injection layer 141, hole transfer layer 142, organic layer 143, and electronics transfer layer 144 is formed reflective cathode electrode layer 150.Because reflective cathode electrode layer 150 exists, therefore light be called end ray structure from following ejaculation.
See also Fig. 2, it is depicted as the layer structural representation of top-illuminating OLED.Its from bottom to top folded successively lower glass substrate 210, TFT and electrode wires layer 220, reflective cathode electrode layer 230 of being provided with, organic luminous layer 240, it is by electronics transfer layer 241, organic layer 242, hole transfer layer 243, and hole injection layer 244 is formed transparent anode electrode 250.Use optical cement 260 with top glass substrate 270 stick on top afterwards again.Light penetrates above top glass substrate 270, therefore is known as the top ray structure.
Yet in the prior art, the research that the power-supply system of OLED is carried out seldom, generally have only OLED is applied to the application that ability combines with solar cell in the display, and the overwhelming majority carries out mechanical assembling with two kinds of elements, all shows the design of contrast element at lifting just to reaching better display effect.And still do not have and consider organic illuminating element is applied to lighting field, this has just limited the range of application of organic illuminating element greatly.
The utility model content
The utility model is intended to solve in the prior art, only organic light-emitting diode element is applied in the display not combine with solar energy, makes technical problems such as its range of application is restricted.
In view of this, the utility model provides a kind of lighting device, comprise: folded successively first electrode layer, organic luminous layer, the second electrode lay, solar energy and semiconductor composite bed and the third electrode layer of establishing, wherein said first electrode layer and described third electrode layer electrically connect.
Further, described first electrode layer is identical with described third electrode layer polarity, and opposite with described the second electrode lay polarity.
Further, described first electrode layer and third electrode layer are anode layer, and described the second electrode lay is a cathode layer.
Further, described solar energy and semiconductor composite bed comprises: Semiconductor substrate, and one side and described third electrode layer electrically connect; Emitter layer is positioned on the opposite side of described Semiconductor substrate, and electrically connects with described the second electrode lay.
Further, described lighting device also comprises: battery, and it comprises first electrode and second electrode; Wherein, described first electrode and described first and the third electrode layer electrically connect; Described second electrode and described the second electrode lay electrically connect.
Further, described first electrode is an anode; Described second electrode is a negative electrode.
Further, described first electrode layer electrically connects by first switch and described first electrode; Described third electrode layer electrically connects by second switch and described first electrode; Wherein, when described first switch cuts out, when described second switch is opened, described solar energy and semiconductor composite bed work; When described first switch open, when described second switch is closed, described organic luminous layer work.
Further, described first and second switch is the electric brake switch.
Further, described organic luminous layer comprises the folded successively hole injection layer of establishing, hole transfer layer, organic layer, reaches the electronics transfer layer.
In sum, the lighting device that the utility model provides, utilize oled device to be applied to lighting field, and, in illumination, use clean energy resource in conjunction with heliotechnics, when reaching the good illumination effect, saved the energy again, avoided the waste of the energy and the pollution of environment, and it has been simple in structure, its suitable application area has been expanded in the design of employing thin type greatly.
Description of drawings
Figure 1 shows that the structural representation of end illuminating OLED in the prior art;
Figure 2 shows that the structural representation of top-illuminating OLED in the prior art;
Fig. 3 A is depicted as the structural representation of a kind of lighting device that the utility model embodiment one provided;
Fig. 3 B is depicted as the structural representation of organic luminous layer among the utility model embodiment one;
Fig. 3 C is depicted as the structural representation of solar energy and semiconductor composite bed among the utility model embodiment one;
Figure 4 shows that the structural representation of a kind of lighting device that the utility model embodiment two is provided;
Figure 5 shows that the structural representation of the another kind of lighting device that the utility model embodiment two is provided.
The specific embodiment
For the purpose of this utility model, feature are become apparent, provide preferred embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail.
Embodiment one
See also Fig. 3 A, it is depicted as the structural representation of a kind of lighting device that the utility model embodiment one provided.
As shown in the figure, this lighting device, comprise: folded successively first electrode layer 410, organic luminous layer 300, the second electrode lay 420, solar energy and semiconductor composite bed 500 and the third electrode layer of establishing 430, wherein said first electrode layer 410 electrically connects with described third electrode layer 430.
Usually, first electrode layer 410 is identical with third electrode layer 430 polarity, and opposite with the second electrode lay 420 polarity, and then constitutes the structure of organic luminous layer 300 and solar energy and semiconductor composite bed 500 common electrode.In the present embodiment, first electrode layer 410 is an anode layer with third electrode layer 430, and the second electrode lay 420 is a cathode layer, constitutes the common cathode structure; Certainly, under this prompting, those skilled in the art also can select common anode construction.
In the present embodiment, see also Fig. 3 B, described organic luminous layer 300 comprises the folded successively hole injection layer of establishing 310, hole transfer layer 320, organic layer 330, reaches electronics transfer layer 340.
In the present embodiment, see also Fig. 3 C, described solar energy and semiconductor composite bed 500 comprises: Semiconductor substrate 510, and one side and described third electrode layer 430 electrically connect; Emitter layer 520 is positioned on the opposite side of described Semiconductor substrate 510, and electrically connects with described the second electrode lay 420.
The principle of solar cell is that solar irradiation forms new hole-duplet on the semiconductor p-n junction, and under the p-n junction effect of electric field, the hole flows to the p district by the n district, and electronics flows to the n district by the p district, just forms electric current behind the connection circuit.
In the present embodiment, when light enters the lighting device with said structure, luminous energy is in solar energy and semiconductor composite bed 500 inner electronics and the holes of producing.In general, when the light less than band-gap energy (band gap energy) enters this semiconductor, the electron interaction of light and this semiconductor inside; And when the light greater than band-gap energy entered this semiconductor, therefore the electronics in the optical excitation covalent bond also produced electronics or hole.The electronics that is produced by described luminous energy moves to the emitter layer of being made by n type semiconductor 520, assembles at the second electrode lay 420 then, has constituted cathode layer; The hole that produces is moved to the Semiconductor substrate of being made by p type semiconductor 510, and is accumulated in third electrode layer 430 under the effect of internal electric field, has constituted anode layer; When the second electrode lay 420 and third electrode layer 430 are connected by conductor, just have electric current and flow through, thereby produce electric energy.
In the present embodiment, the third electrode layer 430 and first electrode layer 410 electrically connect, drive the anode layer of first electrode layer 410 as organic luminous layer 300, the second electrode lay 420 is then as the cathode layer of organic luminous layer 300, at this moment, the hole of third electrode layer 430 reaches first electrode layer 410, again by having hole injection layer 310, hole transfer layer 320 in the luminescent layer 300 to arrive organic layer 330, and the electronics of the second electrode lay 420 combines the generation light by electronics transfer layer 340 arrival organic layers 330 with the hole, and the cathode layer that drives organic luminous layer 300 is luminous.
The lighting device that embodiment one is provided utilizes combining of Organic Light Emitting Diode technology and solar battery technology, made full use of this environmental protection regenerative resource of solar energy, reach the illumination purpose, simultaneously because each element has all adopted the thin type design, expanded its suitable application area greatly, made this lighting device go for every field.
Embodiment two
See also Fig. 4, it is depicted as the structural representation of a kind of lighting device that the utility model embodiment two provided.
In the present embodiment, lighting device comprises: folded successively first electrode layer 410, organic luminous layer 300, the second electrode lay 420, solar energy and semiconductor composite bed 500 and the third electrode layer of establishing 430, wherein said first electrode layer 410 electrically connects with described third electrode layer 430.It also comprises: battery 600, and it comprises first electrode 610 and second electrode 620; Described first electrode 610 electrically connects with described first electrode layer 410 and third electrode layer 430; Described second electrode 620 electrically connects with described the second electrode lay 420.
Usually, first electrode layer 410 is identical with third electrode layer 430 polarity, and it is opposite with the second electrode lay 420 polarity, and then the structure of formation organic luminous layer 300 and solar energy and semiconductor composite bed 500 common electrode. in the present embodiment, first electrode layer 410 is an anode layer with third electrode layer 430, the second electrode lay 420 is a cathode layer, constitutes the common cathode structure; At this moment, first electrode 610 is an anode, and second electrode 620 is a negative electrode, to connect anode layer and cathode layer respectively. certainly, under this prompting, those skilled in the art also can select common anode construction.
At first receive solar energy by solar energy and semiconductor composite bed 500, with transform light energy is electric energy, and be stored in the battery 600, when waiting to need to use organic luminous layer 300 to throw light on, utilize first electrode 610 and second electrode 620 of battery 600 to be connected in first electrode layer 410 and the second electrode lay 420, throw light on for organic luminous layer 300 power supplies.
In actual applications for example: utilize glass that this lighting device makes or fexible film as window, sunshine can shine into indoor during daytime, when not needing to throw light on, part solar energy is converted into electric energy by photovoltaic element, be stored in the battery, it is indoor that this kind window can reduce the sunlight direct projection simultaneously; Evening or when needing room lighting, power to organic illuminating element by battery, electric energy is converted into luminous energy, throw light on.
Please refer to Fig. 5, can also set up switch in this example, as shown in the figure, described first electrode layer 410 electrically connects by first switch S 1 and described first electrode 610; Described third electrode layer 430 electrically connects by second switch S2 and described second electrode 620; Wherein, when described first switch S 1 is closed, when described second switch S2 opens, described solar energy and semiconductor composite bed 500 work; Open when described first switch S 1, when described second switch S2 closed, described organic luminous layer 300 was worked.
Here said first switch S 1 can be the electric brake switch with second switch S2, can certainly be other forms of switch, and the utility model is not as limit.
The lighting device that embodiment two is provided utilizes combining of organic illuminating element and photovoltaic element, made full use of this environmental protection regenerative resource of solar energy, reach the illumination purpose, used the electric power storage technology simultaneously, can better control use, better realize use solar energy to electric energy.
In sum, the lighting device that the utility model embodiment provides is to utilize oled device to be applied to lighting field, and in conjunction with heliotechnics, in illumination, use clean energy resource, when reaching the good illumination effect, saved the energy again, the waste of the energy and the pollution of environment have been avoided, and it is simple in structure, adopts the thin type design, is applicable to every field.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (8)
1. a lighting device is characterized in that, comprising:
Folded successively first electrode layer, organic luminous layer, the second electrode lay, solar energy and semiconductor composite bed and the third electrode layer of establishing, wherein
Described first electrode layer and described third electrode layer electrically connect;
Described first electrode layer is identical with described third electrode layer polarity, and opposite with described the second electrode lay polarity.
2. lighting device according to claim 1 is characterized in that, described first electrode layer and third electrode layer are anode layer, and described the second electrode lay is a cathode layer.
3. lighting device according to claim 1 is characterized in that, described solar energy and semiconductor composite bed comprises:
Semiconductor substrate, one side and described third electrode layer electrically connect;
Emitter layer is positioned on the opposite side of described Semiconductor substrate, and electrically connects with described the second electrode lay.
4. lighting device according to claim 1 is characterized in that, also comprises: battery, and it comprises first electrode and second electrode;
Wherein, described first electrode and described first and the third electrode layer electrically connect; Described second electrode and described the second electrode lay electrically connect.
5. lighting device according to claim 4 is characterized in that, described first electrode is an anode; Described second electrode is a negative electrode.
6. lighting device according to claim 4 is characterized in that, described first electrode layer electrically connects by first switch and described first electrode; Described third electrode layer electrically connects by second switch and described first electrode;
Wherein, when described first switch cuts out, when described second switch is opened, described solar energy and semiconductor composite bed work;
When described first switch open, when described second switch is closed, described organic luminous layer work.
7. lighting device according to claim 6 is characterized in that, described first and second switch is the electric brake switch.
8. lighting device according to claim 1 is characterized in that, described organic luminous layer comprises the folded successively hole injection layer of establishing, hole transfer layer, organic layer, reaches the electronics transfer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200764895U CN201462635U (en) | 2009-06-17 | 2009-06-17 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200764895U CN201462635U (en) | 2009-06-17 | 2009-06-17 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462635U true CN201462635U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200764895U Expired - Fee Related CN201462635U (en) | 2009-06-17 | 2009-06-17 | Lighting device |
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| CN (1) | CN201462635U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386203A (en) * | 2010-09-06 | 2012-03-21 | 三星移动显示器株式会社 | Organic light emitting display apparatus |
| CN102568345A (en) * | 2012-02-16 | 2012-07-11 | 雷金涛 | Energy-saving environment-friendly electronic billboard |
| WO2013062872A3 (en) * | 2011-10-25 | 2013-11-28 | Qualcomm Mems Technologies, Inc. | Multi-functional glass window with photovoltaic and lighting for building or automobile |
| CN103700689A (en) * | 2013-12-23 | 2014-04-02 | 京东方科技集团股份有限公司 | Flexible luminous display device as well as manufacturing method and application carrier thereof |
-
2009
- 2009-06-17 CN CN2009200764895U patent/CN201462635U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386203A (en) * | 2010-09-06 | 2012-03-21 | 三星移动显示器株式会社 | Organic light emitting display apparatus |
| CN102386203B (en) * | 2010-09-06 | 2016-01-20 | 三星显示有限公司 | Organic light-emitting display device |
| WO2013062872A3 (en) * | 2011-10-25 | 2013-11-28 | Qualcomm Mems Technologies, Inc. | Multi-functional glass window with photovoltaic and lighting for building or automobile |
| CN102568345A (en) * | 2012-02-16 | 2012-07-11 | 雷金涛 | Energy-saving environment-friendly electronic billboard |
| CN103700689A (en) * | 2013-12-23 | 2014-04-02 | 京东方科技集团股份有限公司 | Flexible luminous display device as well as manufacturing method and application carrier thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |