Artificial Retina Based on Organic Heterojunction Transistors for Mobile Recognition.
Nano Lett
; 24(10): 3204-3212, 2024 Mar 13.
Article
em En
| MEDLINE
| ID: mdl-38416569
ABSTRACT
The flicker frequency of incident light constitutes a critical determinant in biology. Nevertheless, the exploration of methods to simulate external light stimuli with varying frequencies and develop artificial retinal neurons capable of responsive behavior remains an open question. This study presents an artificial neuron comprising organic phototransistors. The triggering properties of neurons are modulated by optical input, enabling them to execute rudimentary synaptic functions, emulating the biological characteristics of retinal neurons. The artificial retinal neuron exhibits varying responses to incoming light frequencies, allowing it to replicate the persistent visual behavior of the human eye and facilitating image discrimination. Additionally, through seamless integration with circuitry, it can execute motion recognition on a machine cart, preventing collisions with high-speed obstacles. The artificial retinal neuron offers a cost-effective and energy-efficient route for future mobile robot processors.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Retina
/
Visão Ocular
Limite:
Humans
Idioma:
En
Revista:
Nano Lett
Ano de publicação:
2024
Tipo de documento:
Article