US 12,484,371 B2
Light emitting device and fabricating method thereof, and light emitting apparatus
Tieshi Wang, Beijing (CN); Zhuo Chen, Beijing (CN); Zhuo Li, Beijing (CN); Xu Yuan, Beijing (CN); and Di Zhang, Beijing (CN)
Assigned to Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 17/921,087
Filed by Beijing BOE Technology Development Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Dec. 15, 2021, PCT No. PCT/CN2021/138181
§ 371(c)(1), (2) Date Oct. 24, 2022,
PCT Pub. No. WO2023/108456, PCT Pub. Date Jun. 22, 2023.
Prior Publication US 2024/0224559 A1, Jul. 4, 2024
Int. Cl. H10K 50/115 (2023.01); C09K 11/06 (2006.01); H10K 59/35 (2023.01); H10K 71/15 (2023.01); H10K 85/10 (2023.01)
CPC H10K 50/115 (2023.02) [C09K 11/06 (2013.01); H10K 59/35 (2023.02); H10K 71/15 (2023.02); H10K 85/141 (2023.02); H10K 85/151 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A light emitting device, wherein the light emitting device comprises: a substrate, and an assisting layer and a quantum-dot layer that are provided in a stack on one side of the substrate, and the assisting layer is close to the substrate;
a material of the assisting layer comprises a non-polar polymer; and
the quantum-dot layer comprises quantum dots and a first ligand material coordinated to the quantum dots, and a property of the first ligand material changes by an effect of illumination, so that a solubility of the quantum-dot layer in an organic solvent changes.