US 12,016,205 B2
Manufacturing method for display panel, display panel and display device
Cheng Han, Beijing (CN); Xin Li, Beijing (CN); Xing Fan, Beijing (CN); Songquan Wu, Beijing (CN); Meng Sun, Beijing (CN); and Erli Li, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Aug. 26, 2021, as Appl. No. 17/458,193.
Claims priority of application No. 202011105959.3 (CN), filed on Oct. 15, 2020.
Prior Publication US 2022/0123057 A1, Apr. 21, 2022
Int. Cl. H10K 71/00 (2023.01); H10K 59/121 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/121 (2023.02) [H10K 71/00 (2023.02); H10K 59/1201 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A manufacturing method for a display panel, comprising:
providing a substrate;
forming a driving circuit layer on the substrate;
forming a planarization layer on the side of the driving circuit layer facing away from the substrate;
forming a composite material layer on the side of the planarization layer facing away from the substrate with a polymerization-induced phase separation method to the composite material layer comprising a polymer and liquid crystal phase molecules dispersed in the polymer;
removing the liquid crystal phase molecules in the composite material layer to obtain an auxiliary structure layer, the side of the auxiliary structure layer facing away from the substrate having a plurality of protrusion structures; and
forming a pixel structure on the side of the auxiliary structure layer facing away from the substrate, wherein the auxiliary structure layer makes the pixel structure uneven, and the pixel structure comprises a first electrode, an organic light emitting material, and a second electrode that are sequentially formed on the side of the auxiliary structure layer facing away from the substrate.