CN212029377U

CN212029377U - Solar OLED panel

Info

Publication number: CN212029377U
Application number: CN202021052809.6U
Authority: CN
Inventors: 金凌; 刘纪文
Original assignee: Wuhan Huamei Chenxi Photoelectric Co ltd
Current assignee: Wuhan Huamei Chenxi Photoelectric Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-11-27
Anticipated expiration: 2030-06-10

Abstract

The utility model belongs to the technical field of the OLED device, a solar OLED panel is provided, this solar OLED panel includes transparent substrate, solar cell, OLED device and energy storage circuit, wherein, transparent substrate's first face is located to solar cell, a signal of telecommunication is converted into to the light signal, the second face of transparent substrate is located to the OLED device, energy storage circuit charges the energy storage according to the signal of telecommunication of solar cell output, and supply power to the OLED device, thereby supply a neotype solar OLED panel, can effectively improve light source device's energy utilization efficiency, and simplify the design degree of difficulty of OLED street lamp.

Description

Solar OLED panel

Technical Field

The application belongs to the technical field of OLED devices, and particularly relates to a solar OLED panel.

Background

Street lamps or outdoor indicator lamps are common infrastructures in daily life, and with the continuous progress of social technologies, the infrastructures are gradually developed to be environment-friendly. At present, in areas with sufficient sunlight, the street lamps mainly comprise solar energy and halogen lamps or LED lamps, the driving circuit of the street lamps is complex, and the energy utilization efficiency is low.

Compared with the traditional lighting technology, the Organic Light-Emitting Diode (OLED) lighting technology has the advantages of no blue Light hazard, soft Light, flexibility, foldability, no stroboflash, high color rendering quality and the like, is widely concerned at home and abroad, can be widely applied to the fields of medical lighting, eye-protecting lamps and bedroom lighting lamps, and has great application prospect.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a solar energy OLED panel, aims at providing a novel solar energy OLED panel, can effectively improve light source device's energy utilization efficiency to simplify the design degree of difficulty of OLED street lamp.

A first aspect of an embodiment of the present application provides a solar OLED panel, including:

a transparent substrate;

the solar cell is arranged on the first surface of the transparent substrate and is used for converting optical signals into electric signals;

the OLED device is arranged on the second surface of the transparent substrate; and

and the energy storage circuit is arranged on the side surface of the transparent substrate and used for charging and storing energy according to the electric signal output by the solar cell and supplying power to the OLED device.

Optionally, the transparent substrate is a double-sided conductive substrate, the first side of the double-sided conductive substrate is provided with an FTO conductive film, and the second side of the double-sided conductive substrate is provided with an ITO conductive film.

Optionally, the base material of the transparent substrate is glass or a PET material.

Optionally, the first surface and the second surface of the transparent substrate are both provided with silver nanowires.

Optionally, the solar cell is a perovskite solar cell.

Optionally, the OLED device layer is a transparent light emitting OLED device.

Optionally, the energy storage circuit includes:

an energy storage battery;

the charging circuit is connected with the energy storage battery and the solar battery and is used for charging the energy storage battery according to the electric signal output by the solar battery;

the discharge circuit is connected with the energy storage battery and the OLED device and used for supplying power to the OLED device according to the output signal of the energy storage battery; and

and the control circuit is connected with the discharge circuit and used for controlling the discharge circuit to output a preset constant current signal so as to supply power to the OLED device.

Optionally, the OLED device includes a metal anode layer, an organic functional layer, and a metal cathode layer, which are sequentially stacked;

the metal anode layer and the metal cathode layer are respectively connected with the anode output end and the cathode output end of the energy storage circuit.

Optionally, the solar cell includes a cell anode layer, a cell functional layer, and a cell cathode layer, which are sequentially stacked;

the battery anode layer is connected with a first input end of the energy storage circuit through a first external electrode, and the battery cathode layer is connected with a second input end of the energy storage circuit through a second external electrode.

Optionally, the solar OLED panel further includes a transparent encapsulation layer for encapsulating the OLED device, the transparent substrate, the solar cell, and the energy storage circuit.

The embodiment of the application provides a solar energy OLED panel, this solar energy OLED panel includes transparent substrate, solar cell, OLED device and energy storage circuit, wherein, transparent substrate's first face is located to solar cell, be used for converting light signal into the signal of telecommunication, transparent substrate's second face is located to the OLED device, energy storage circuit charges the energy storage according to the signal of telecommunication of solar cell output, and supply power to the OLED device, thereby provide a novel solar energy OLED panel, can effectively improve the energy utilization efficiency of light source device, and simplify the design degree of difficulty of OLED street lamp.

Drawings

Fig. 1 is a schematic structural diagram of a solar OLED panel according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a multilayer metal electrode provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of an organic heterojunction film layer provided in an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 is a schematic structural diagram of a solar OLED panel provided in an embodiment of the present application, and as shown in fig. 1, the solar OLED panel includes a transparent substrate 20, a solar cell 30, an OLED device 10, and an energy storage circuit 60, where the solar cell 30 is disposed on a first surface of the transparent substrate 20 and is configured to convert an optical signal into an electrical signal, the OLED device 10 is disposed on a second surface of the transparent substrate 20, and the energy storage circuit is disposed on a side surface of the transparent substrate 20 and is configured to store energy according to the electrical signal output by the solar cell 30 and supply power to the OLED device 10.

Specifically, in the present embodiment, the solar cell 30 converts the sunlight 40 into electric energy, and the energy storage circuit 60 stores the electric energy, so that the energy storage circuit 60 supplies power to the OLED device 10, thereby driving the OLED device 10 to emit the illumination light 50.

In one embodiment, the solar cell 30 may be coated or adhered on the first surface of the transparent substrate 20, for example, the solar cell 30 is a flexible solar cell 30, the flexible substrate of the flexible solar cell 30 is adhered on the first surface of the transparent substrate 20 to convert an incident optical signal into an electrical signal, and since the thickness of the flexible solar cell 30 is 1/300 of the crystalline silicon solar cell 30, the flexible substrate of the flexible solar cell 30 is adhered on the first surface of the transparent substrate 20, not only the incident light can be absorbed more effectively, the photoelectric conversion efficiency and the output power can be improved, but also the manufacturing cost of the solar cell can be further reduced.

In a specific application, under the condition that sunlight is sufficient in daytime, solar energy is converted into electric energy and stored in the energy storage circuit 60 through the solar cell 30 structure on the first surface of the transparent substrate 20, and then under the condition that no sunlight exists at night, the energy storage circuit 60 outputs stable current to drive the OLED light-emitting device on the second surface of the transparent substrate 20 to work, so that a light source for protecting eyes healthily is provided at night. Under the condition of sufficient sunlight in the daytime, the solar cell 30 can realize the conversion of solar energy and electric energy, and at night, the OLED device 10 starts to work under the control of the energy storage circuit 60 to provide eye-protecting healthy illumination for people. Therefore, the sunlight in the daytime can be effectively utilized, and a light source capable of providing comfortable eye protection at night is provided. Simultaneously, because OLED is a healthy illumination light source, can be directly expose the panel in the outside, and need not like LED or halogen lamp need leaded light membrane or scattering film, so very big improvement the photoelectric conversion utilization ratio, secondly, in engineering construction, the solar energy OLED panel in this embodiment is very big richen the design space, has reduced the degree of difficulty of construction moreover.

In one embodiment, the flexible solar cell 30 may be an amorphous silicon flexible solar cell including three PN junction absorption layers with different band gaps and a back emission layer, the first layer is amorphous silicon a-Si with a band gap of 1.8eV, mainly used for absorbing blue light, the second layer (i.e., the middle layer) is silicon germanium alloy a-SiGe with a band gap of 1.6eV, mainly used for absorbing green light, wherein the content of Ge may be 10% -15%, and the third layer is silicon germanium alloy a-SiGe with a band gap of 1.4 eV. After sunlight sequentially passes through the three semiconductor absorption layers, a part of light which is not absorbed is reflected by the Al/ZnO back reflection layer and returns to the three semiconductor absorption layers, and then the absorption process is carried out once again, so that the back reflection layer plays a role in trapping light, incident light can be absorbed more effectively, the conversion efficiency and the output power are improved, and the photoelectric conversion performance is better under the conditions of low incident light and scattered light.

In one embodiment, the transparent substrate 20 is a double-sided conductive substrate, and specifically, a first side of the double-sided conductive substrate is provided with an FTO (fluorine-doped SnO2 conductive glass) conductive film, and a second side of the double-sided conductive substrate is provided with an ITO (indium tin oxide) conductive film.

In one embodiment, the base material of the transparent substrate 20 is glass or a PET material. The PET material has smooth and glossy surface, has the characteristics of creep resistance, fatigue resistance, abrasion resistance, good dimensional stability, small abrasion and high hardness, and has the maximum toughness in thermoplastic plastics. As the base material of the transparent substrate 20, the PET material has good electrical insulation performance, little influence by temperature, no toxicity, weather resistance, good chemical stability resistance, low water absorption, weak acid and organic solvent resistance, and can greatly improve the stability of the transparent base material.

In one embodiment, the first surface and the second surface of the transparent substrate 20 are both provided with silver nanowires, and in particular, the silver nanowires are formed on the first surface and the second surface of the transparent substrate 20, so that the conductivity of the two side surfaces of the transparent substrate 20 can be further improved.

In one embodiment, the solar cell 30 may also be a perovskite solar cell 30.

In one embodiment, the OLED device 10 layer is a transparent light emitting OLED device 10.

In one embodiment, the energy storage circuit 60 includes an energy storage battery, a charging circuit, a discharging circuit and a control circuit, wherein the charging circuit is connected with the energy storage battery and the solar battery 30 and is used for charging the energy storage battery according to the electrical signal output by the solar battery 30; the discharge circuit is connected with the energy storage battery and the OLED device 10 and is used for supplying power to the OLED device 10 according to the output signal of the energy storage battery; the control circuit is connected to the discharge circuit and configured to control the discharge circuit to output a preset constant current signal to power the OLED device 10.

In one embodiment, referring to fig. 2, the OLED device 10 includes a metal anode layer 103, an organic functional layer 102, and a metal cathode layer 101, which are sequentially stacked; the metal anode layer 103 and the metal cathode layer 101 are respectively connected to the positive output terminal and the negative output terminal of the energy storage circuit 60.

In one embodiment, referring to fig. 2, in particular, the solar cell 30 includes a cell anode layer 301, a cell functional layer 302, and a cell cathode layer 303, which are sequentially stacked.

In one embodiment, the solar cell 30 includes a substrate layer, a cell anode layer, a support layer, a perovskite layer, an electron transport layer, and a cell cathode layer, which are sequentially stacked, wherein the support layer, the perovskite layer, and the electron transport layer form a cell functional layer 302 for converting sunlight into electric energy, and the cell anode layer 301 is connected to the first input end of the energy storage circuit 60 through a first external electrode, and the cell cathode layer is connected to the second input end of the energy storage circuit 60 through a second external electrode, so as to transmit an electric signal generated by the solar cell 30 to the energy storage electric energy 60 for storage.

In one embodiment, the solar OLED panel further includes a transparent encapsulation layer for encapsulating the OLED device 10, the transparent substrate 20, the solar cell 30, and the energy storage circuit 60.

In an embodiment, fig. 3 is a schematic view of an application of a solar OLED panel provided in an embodiment of the present application, and referring to fig. 3, the solar OLED panel is used as a guidepost, a working area 00 of the solar OLED panel is "→", and an energy storage circuit 60 is disposed at a side surface of a terminal end of the solar OLED panel, currently, the guidepost on a road is generally made of a luminescent material, and only when a car light irradiates on the guidepost, a front correct direction can be clearly seen, and the guidepost still has a certain safety hazard.

In one embodiment, the guidepost in the above application embodiment, in which the OLED device 10 is a transparent OLED device, it is known that the direction of the guidepost on the road generally intersects with the horizontal plane of the road, and the direction is not fixed, and in order to reasonably limit the utilization of the light source, the OLED device 10 is made into a transparent OLED device by using a transparent cathode material, so that the light from any direction can reach the solar panel, thereby improving the utilization efficiency of the solar energy.

The embodiment of the application provides a solar energy OLED panel, this solar energy OLED panel includes transparent substrate, solar cell, OLED device and energy storage circuit, wherein, transparent substrate's first face is located to solar cell, be used for converting light signal into the signal of telecommunication, transparent substrate's second face is located to the OLED device, energy storage circuit charges the energy storage according to the signal of telecommunication of solar cell output, and supply power to the OLED device, thereby supply a neotype solar energy OLED panel, can effectively improve the energy utilization efficiency of light source device, and simplify the design degree of difficulty of OLED street lamp.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A solar OLED panel, comprising:

a transparent substrate;

2. The solar OLED panel of claim 1, wherein the transparent substrate is a double-sided conductive substrate having a first side provided with an FTO conductive film and a second side provided with an ITO conductive film.

3. The solar OLED panel of claim 2, wherein the base material of the transparent substrate is glass or a PET material.

4. The solar OLED panel of claim 1, wherein the first and second sides of the transparent substrate are each provided with silver nanowires.

5. The solar OLED panel of claim 1, wherein said solar cell is a perovskite solar cell.

6. The solar OLED panel of claim 1, wherein the OLED device layer is a transparent light-emitting OLED device.

7. The solar OLED panel of claim 1, wherein said tank circuit includes:

an energy storage battery;

8. The solar OLED panel of claim 2, wherein said OLED device includes a metal anode layer, an organic functional layer, and a metal cathode layer, sequentially stacked;

9. The solar OLED panel of claim 2, wherein said solar cell includes a cell anode layer, a cell functional layer, and a cell cathode layer, sequentially stacked;

10. The solar OLED panel of claim 2, further comprising a transparent encapsulation layer encapsulating the OLED device, the transparent substrate, the solar cell, and the energy storage circuit.