CN101922668B

CN101922668B - Illumination device

Info

Publication number: CN101922668B
Application number: CN200910053252XA
Authority: CN
Inventors: 郭超; 李维德; 陈育明
Original assignee: Shanghai Hongyuan Lighting & Electric Equipment Co Ltd
Current assignee: Shanghai Hongyuan Lighting & Electric Equipment Co Ltd
Priority date: 2009-06-17
Filing date: 2009-06-17
Publication date: 2012-12-05
Anticipated expiration: 2029-06-17
Also published as: CN101922668A

Abstract

The invention discloses an illumination device, comprising an organic luminous element and a photovoltaic element connected with the organic luminous element. The illumination device is applied to the field of illumination by using an organic luminous diode device and uses clean fuel by combining a solar technology, thus achieving good illumination effect and simultaneously saving energy and avoiding energy waste and environmental pollution, in addition, the structure of the illumination device is simple and a thin-shaped design is used, thus being applicable to various fields.

Description

Lighting device

Technical field

The present invention relates to show 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 compared with thin-film transistor active driven liquid crystal display (TFT LCD) mutually, 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 flat panel display significant advantage, thereby becomes the focus of international research day by day.In less than the time in 20 years, OLED gets into 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 like 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, produces red, green and blue RGB three primary colors according to its prescription difference, constitutes basic color.The characteristic of OLED is own luminous, needs backlightly unlike TFT LCD, so visibility and brightness are all high; Next is that voltage requirements is low and province's electrical efficiency is high, 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 better User Interface be provided 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, electrode line layer 120; As the transparent anode electrode layer 130, organic luminous layer 140, one of which by hole injection layer 141; Hole transfer layer 142; Organic layer 143, and electron 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.It is from bottom to top folded successively to be provided with lower glass substrate 210, electrode line layer 220, and reflective cathode electrode layer 230, organic luminous layer 240, it is by electron 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 is directed against just to reaching better display effect and promotes the design that shows contrast element.And still do not have and consider organic illuminating element is applied to lighting field, this just big limitations the range of application of organic illuminating element.

Summary of the invention

The present invention 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 present invention provides a kind of lighting device, it is characterized in that, comprising:

Organic illuminating element; And

Photovoltaic element is connected in said organic illuminating element.

In embodiments of the present invention, said organic illuminating element comprises first electrode layer, organic luminous layer and the second electrode lay successively; Said photovoltaic element, it comprises first electrode and second electrode, and is connected with said first electrode layer and the second electrode lay respectively.

In embodiments of the present invention, said organic luminous layer comprises the folded successively hole injection layer of establishing, hole transfer layer, organic layer, reaches the electron transfer layer.

In embodiments of the present invention, said first electrode and second electrode are connected with said first electrode layer and the second electrode lay through switch element.

In embodiments of the present invention, said organic illuminating element is flexible organic light-emitting diode element.

In embodiments of the present invention, said organic illuminating element is illuminated organic light-emitting diode element in top or the illuminated organic light-emitting diode element in the end.

In embodiments of the present invention, said photovoltaic element is the thin type solar panel.

In embodiments of the present invention, said lighting device also comprises: charge storage element is connected with said organic illuminating element and photovoltaic element.

In embodiments of the present invention, said charge storage element is connected with said organic illuminating element and photovoltaic element through switch element.

In embodiments of the present invention, said charge storage element is the storage battery of film-type.

In embodiments of the present invention, said charge storage element is arranged between said organic illuminating element and the photovoltaic element.

In sum, lighting device provided by the invention utilizes oled device to be applied to lighting field; And the combination heliotechnics, in illumination, use clean energy resource, when reaching the good illumination effect; Practiced thrift 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

Shown in Figure 1 is the structural representation of end illuminating OLED in the prior art;

Shown in Figure 2 is 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 embodiment of the invention one provided;

Fig. 3 B is depicted as the structural representation of organic luminous layer in the embodiment of the invention one;

The structural representation of a kind of lighting device that is provided for the embodiment of the invention two shown in Figure 4;

The structural representation of a kind of lighting device that is provided for the embodiment of the invention three shown in Figure 5.

Embodiment

For making the object of the invention, characteristic more obviously understandable, provide preferred embodiment and combine accompanying drawing, the present invention is described further.

Embodiment one

See also Fig. 3 A, it is depicted as the structural representation of a kind of lighting device that the embodiment of the invention one provided.This lighting device comprises: organic illuminating element 300, and photovoltaic element 400 are connected in said organic illuminating element 300.Wherein, said organic illuminating element 300 comprises first electrode layer 310, organic luminous layer 330 and the second electrode lay 320 successively; Said photovoltaic element 400, it comprises first electrode 410 and second electrode 420, and is connected with said first electrode layer 310 and the second electrode lay 320 respectively.

Photovoltaic element 400 receives solar energy; With transform light energy is electric energy; And be connected to first electrode layer 310 (like anode layer) and the second electrode lay 320 (like cathode layer) of organic illuminating element 300 through first electrode 410 (like positive pole) and second electrode 420 (like negative pole), when photovoltaic element 400 provide supply power to appropriate voltage the time, anodal hole can will combine in organic luminous layer 330 through anode layer and cathode layer respectively with the negative pole electronics; Produce light, thereby can reach illumination purposes.

In the present embodiment, said organic luminous layer 330 comprises the folded successively hole injection layer of establishing 331, hole transfer layer 332, organic layer 333, reaches electron transfer layer 334.Hole injection layer can be passed through in the hole of anode layer, the hole transfer layer arrives organic layer, and the electronics of cathode layer combines to produce light through electron transfer layer arrival organic layer with the hole.

In the present embodiment, said first electrode 410 and second electrode 420 are connected with said first electrode layer 310 and the second electrode lay 320 through the switch element (not shown), to control organic illuminating element 300 switches as required.

In the present embodiment, organic illuminating element 300 is illuminated organic light-emitting diode element in top or the illuminated organic light-emitting diode element in the end, and the present invention is not limited thereto, and the scope of application of this lighting device can be wider thus.

In the present embodiment, organic illuminating element 300 is flexible organic light-emitting diode elements, but the present invention is not limited thereto.

In the present embodiment, said photovoltaic element 400 is the thin type solar panel, and the thickness that stacks up of photovoltaic element 400 and organic illuminating element 300 combinations can be very thin like this, expanded the application of this lighting device, but the present invention is not limited thereto.

The lighting device that embodiment one 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; Because each element has all adopted the thin type design, expanded its suitable application area greatly simultaneously, 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 embodiment of the invention two provided.

This lighting device comprises: organic illuminating element 300, and photovoltaic element 400 are connected in said organic illuminating element 300.Wherein, said organic illuminating element 300 comprises first electrode layer 310, organic luminous layer 330 and the second electrode lay 320 successively; Said photovoltaic element 400, it comprises first electrode 410 and second electrode 420, and is connected with said first electrode layer 310 and the second electrode lay 320 respectively.This lighting device also comprises: charge storage element 500 is connected with said organic illuminating element 300 and photovoltaic element 400.In the present embodiment, this charge storage element 500 is a storage battery, but the present invention is not limited thereto.

At first receive solar energy through photovoltaic element 400; With transform light energy is electric energy; And be stored in the charge storage element 500; When waiting need to use organic illuminating element 300 to throw light on, utilize the both positive and negative polarity of charge storage element 500 to be connected in first electrode layer 310 and the second electrode lay 320 of organic illuminating element 300, throw light on for organic illuminating element 300 power supplies.

In practical application for example: utilize glass that this lighting device processes or fexible film as window; Sunlight can shine into indoor during daytime; In the time of need not throwing light on; Part solar energy is converted into electric energy through photovoltaic element 400, is stored in the charge storage element 500, and it is indoor that this kind window can reduce the sunlight direct projection simultaneously; Evening or when needing room lighting, give organic illuminating element 300 power supplies by charge storage element 500, electric energy is converted into luminous energy, throw light on.

In the present embodiment, said charge storage element 500 is connected with said organic illuminating element 300 and photovoltaic element 400 through the switch element (not shown), carries out switch as required with control organic illuminating element 300.

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 realized use solar energy to electric energy.

Embodiment three

See also Fig. 5, it is depicted as the structural representation of a kind of lighting device that the embodiment of the invention three provided.

In the present embodiment, said charge storage element 500 is the storage battery of film-type.And can be arranged between said organic illuminating element 300 and the photovoltaic element 400.

This design makes lighting device reach more succinct structure, because each parts all are to adopt thin design, the structure after it is integrated is very frivolous, has made things convenient for its use in each occasion.

In sum, the lighting device that the embodiment of the invention provides is to utilize oled device to be applied to lighting field, and combines heliotechnics; In illumination, use clean energy resource, when reaching the good illumination effect, practiced thrift 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 present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.

Claims

1. a lighting device is characterized in that, comprising:

Organic illuminating element; And photovoltaic element, be connected in said organic illuminating element,

Wherein, said organic illuminating element comprises first electrode layer, organic luminous layer and the second electrode lay successively;

Said photovoltaic element, it comprises first electrode and second electrode, and is connected with said first electrode layer and the second electrode lay respectively;

Said organic luminous layer comprises the folded successively hole injection layer of establishing, hole transfer layer, organic layer, reaches the electron transfer layer;

Said first electrode and second electrode are connected with said first electrode layer and the second electrode lay through switch element;

Said organic illuminating element is flexible organic light-emitting diode element;

Said photovoltaic element is the thin type solar panel.

2. lighting device according to claim 1 is characterized in that, said organic illuminating element is illuminated organic light-emitting diode element in top or the illuminated organic light-emitting diode element in the end.

3. lighting device according to claim 1 is characterized in that, also comprises: charge storage element is connected with said organic illuminating element and photovoltaic element.

4. lighting device according to claim 3 is characterized in that, said charge storage element is connected with said organic illuminating element and photovoltaic element through switch element.

5. lighting device according to claim 3 is characterized in that, said charge storage element is the storage battery of film-type.

6. lighting device according to claim 3 is characterized in that said charge storage element is arranged between said organic illuminating element and the photovoltaic element.