Patent ID: 11905163
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Micro-structural and nano-technology (Chemistry)
Classification: CPC B | IPC B

Claim 4:
5. The micro-nano channel structure according to claim 4, wherein in the plane substantially perpendicular to the extending direction of the recessed portion and in a same direction, the maximum widths of the adjacent recessed portions are gradually decreased, and the heights of adjacent protrusions among the plurality of the protrusions are gradually decreased, so that the cross-sectional areas of the adjacent micro-nano channels are gradually decreased; or
in the plane substantially perpendicular to the extending direction of the recessed portion and in a same direction, the maximum widths of the adjacent recessed portions are increased firstly and then decreased, the heights of the adjacent protrusions among the plurality of the protrusions are increased firstly and then decreased, so that the cross-sectional areas of the adjacent micro-nano channels are increased firstly and then decreased.