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Organic light coupling device

An optocoupler device, an organic technology, applied in the field of optoelectronics, can solve the problems of high cost, difficulty in integrating flexible substrates, etc., and achieve the effects of simple preparation process, cost reduction, and broad application prospects

Inactive Publication Date: 2009-05-27
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most optocouplers are composed of inorganic light-emitting devices and inorganic photosensitive devices. They are devices based on inorganic single crystal semiconductor technology. Not only are the costs relatively high, but they are also difficult to integrate into flexible substrates.

Method used

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Examples

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Embodiment 1

[0040] An organic optocoupler device combining an organic electroluminescent display (OLED) and an organic photodiode is prepared. The preparation process steps of the organic photocoupler device are as follows: firstly, an OLED device is prepared on a glass substrate, and then an organic photosensitive diode is prepared on another substrate.

[0041] The structure of the OLED device is ITO / NPB (40nm) / ADN: 7% DPAVBi (30nm) / BPhen (40nm) / Mg: Ag (10:1, 150nm) / Ag (50nm), ADN is 9,10-two ( 2-naphthyl)anthracene (9,10-bis(2′-naphthyl)anthracene), DPAVBi is 4,4’-bis[2-(4-(N,N’-di-p-tolyl)aminophenyl ) Vinyl]biphenyl (4,4'-bis[2-(4-(N,N'-dipmethylphenylamino)phenyl)vinyl]biphenyl), their molecular structures and current-voltage-brightness curves and luminescence of OLED images The spectrum is shown in Figure 4a middle.

[0042] The preparation process is to prepare a layer of transparent indium tin oxide (ITO) conductive film on the glass substrate, and use the photolithography me...

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Abstract

The invention relates to a novel optocoupler device, which comprises an organic electroluminescent device part and an organic photosensitive diode part, wherein the organic electroluminescent device part receives a known electric signal and converts the electric signal to an optical signal; and the organic photosensitive diode part receives the optical signal transmitted by the organic electroluminescent device and converts the optical signal to a detectable electrical signal. The novel optocoupler device is characterized in that the structure of the organic photosensitive diode device comprises a buffer layer. The novel optocoupler device overcomes the defects existing in materials and structure of the prior optocoupler device, provides optocoupler consisting of full-organic semiconductor devices, has a simple preparation process, can be prepared in a large area so as to reduce cost, and can prepare full flexible optocoupler. The novel optocoupler device develops application of the optocoupler in biosimulation and medical machinery, particularly has wide application prospect in flexible and fiber intelligent fields, can be applied to intelligent military uniform, weapon and other aspects, and has more special significance.

Description

Technical field: [0001] The invention relates to an optocoupler device, in particular to a novel organic optocoupler device, which belongs to the field of optoelectronics. Background technique: [0002] An optocoupler is an optoelectronic device that is typically used to transmit signals while being electrically isolated. It can convert a signal into an optical signal, and then convert the optical signal into a signal that can be explored. Generally, it contains at least two functional components, that is, the functional component that can output light (input terminal functional component) and the optical signal output. Functional part for input and output as a detectable signal (output functional part). The most commonly used optocoupler is to use an electroluminescent device to convert an electrical signal into an optical signal, and then use a photosensitive device, such as a photosensitive resistor, photosensitive capacitor, photodiode or phototransistor, to convert the...

Claims

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Application Information

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IPC IPC(8): H01L25/18H01L51/42
CPCY02E10/50Y02E10/549
Inventor 邱勇董桂芳郑海洋段炼
Owner TSINGHUA UNIV
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