Electroluminescent device and method of fabricating same
AssigneeShenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorNa Ai
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Abstract
The present invention relates to an electroluminescent device and a method of fabricating the same. The electroluminescent device includes a substrate, an organic photovoltaic cell unit (OPV) and a translucent organic light-emitting diode unit (OLED), wherein the organic photovoltaic cell unit is disposed on the substrate, the translucent organic light-emitting diode unit is disposed on the organic photovoltaic cell and connected in series with the organic photovoltaic cell.
Claims8
An electroluminescent device, comprising:
- a substrate;
- an organic photovoltaic cell unit disposed on the substrate;
- and
- a translucent organic light-emitting diode unit disposed on the organic photovoltaic cell and connected in series with the organic photovoltaic cell,
- wherein the organic photovoltaic cell unit comprises:
- a first electrode disposed on the substrate;
- a first electrode modification layer disposed on the first electrode;
- an organic semiconductor light-absorbing layer disposed on the first electrode modification layer for absorbing light from visible light to infrared light;
- a second electrode modification layer disposed on the organic semiconductor light-absorbing layer;
- and
- a second electrode disposed on the second electrode modification layer.
A method of fabricating an electroluminescent device, comprising the following steps:
- providing a substrate;
- forming an organic photovoltaic cell on the substrate;
- and
- forming a translucent organic light-emitting diode unit on the organic photovoltaic cell,
- wherein the translucent organic light-emitting diode unit is connected in series with the organic photovoltaic cell,
- wherein the step of forming the organic photovoltaic cell unit comprises:
- forming a patterned first electrode on the substrate;
- sequentially depositing a first electrode modification layer, a first organic semiconductor light-absorbing layer, a second organic semiconductor light-absorbing layer, and a second electrode modification layer on the first electrode by vacuum evaporation, spin coating, or inkjet printing, wherein the first organic semiconductor light-absorbing layer and the second organic semiconductor light-absorbing layer constitute an organic semiconductor light-absorbing layer for absorbing light from visible light to infrared light;
- and
- forming a translucent second electrode on the second electrode modification layer.
Dependencies are inferred from the claim text.