▎ 摘　　要

NOVELTY - A retractable flexible organic LED lighting device comprises flexible elastic substrate, and stretchable electrode layer, electron transport layer, light-emitting layer, hole transport layer, and stretchable transparent conductive layer are sequentially stacked from inside to outside on one side of the flexible elastic substrate. The material of flexible elastic substrate is at least one of polydimethylsiloxane, thermoplastic polyurethane, polyvinyl alcohol, polyvinyl butyral and non-woven fabric. USE - Retractable flexible organic LED lighting device. ADVANTAGE - The retractable flexible organic LED lighting device has excellent brightness and stretch rate of 5-20%. The preparation method is simple, economical and carried out using inexpensive raw material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the retractable flexible organic LED lighting device.