US 11,965,271 B2
Flexible electroluminescent fiber for embroidery
Yan Zheng, Shanghai (CN); Shufan Geng, Shanghai (CN); Jinshui Zhou, Shanghai (CN); Ruijun Zhang, Shanghai (CN); Chengyi Hou, Shanghai (CN); Hongzhi Wang, Shanghai (CN); Yang Guo, Shanghai (CN); Zhilei Yuan, Shanghai (CN); Lei Chen, Shanghai (CN); Kerui Li, Shanghai (CN); Suwen Guo, Shanghai (CN); Bangzuan He, Shanghai (CN); Kaiyan Zheng, Shanghai (CN); and Lihua Quan, Shanghai (CN)
Assigned to Shanghai Kerun Phosphor Technology Co. , Ltd, Shanghai (CN)
Filed by Shanghai Kerun Phosphor Technology Co., Ltd., Shanghai (CN)
Filed on Mar. 8, 2022, as Appl. No. 17/689,936.
Claims priority of application No. 202123204624.X (CN), filed on Dec. 20, 2021.
Prior Publication US 2022/0195632 A1, Jun. 23, 2022
Int. Cl. D02G 3/44 (2006.01)
CPC D02G 3/441 (2013.01) [D10B 2101/20 (2013.01); D10B 2321/022 (2013.01); D10B 2331/02 (2013.01); D10B 2331/06 (2013.01); D10B 2331/10 (2013.01); D10B 2401/20 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A flexible electroluminescent yarn for embroidery, sequentially consisting of: metal core wires, a light-emitting layer, a transparent conductive layer, a filament, and a coating layer, wherein a quantity of the metal core wires is an even number, and the metal core wires are wrapped by the light-emitting layer; the light-emitting layer is coated with the transparent conductive layer; the coating layer and the filament are exterior to the transparent conductive layer; wherein the metal core wires are enameled copper wires with a diameter of 0.01-0.05 mm; a quantity of the enameled copper wires is an even number, and capacitances of the enameled copper wires are identical; wherein the transparent conductive layer is wrapped with the filament, and the filament is transparent or translucent; the filament is organic filament with a diameter of 0.005-0.01 mm, the filament is a polypropylene fiber or a polyurethane fiber; wherein the filament is segmentally coated with the coating layer which is colorless, transparent and insulating; the coating layer bonds the filament to surfaces of the light-emitting layer and the transparent conductive layer, while the filament provides support for the coating layer; the coating layer completely wraps the transparent conductive layer; a thickness of the coating layer equals to a diameter of the filament; the metal core wires emit light through energizing without using an external electrode; a diameter of the electroluminescent yarn is 0.1-0.3 mm, and the electroluminescent yarn adopts a 20-36V safe voltage for emitting light.