Pixel definition layer, manufacturing method thereof, display substrate and display device

  • US 10,811,476 B2
  • Filed: 10/19/2018
  • Issued: 10/20/2020
  • Est. Priority Date: 03/28/2018
  • Status: Active Grant
First Claim
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1. A pixel definition layer, comprising:

  • a lyophilic material layer on a base substrate, anda lyophobic material layer on a side, away from the base substrate, of the lyophilic material layer,wherein the pixel definition layer defines a plurality of pixel regions, in an arrangement of array, on the base substrate, each pixel region comprises at least two sub-pixel regions, andwherein for the lyophilic material layer and lyophobic material layer located between two adjacent sub-pixel regions, the lyophilic material layer comprises at least two lyophilic sub-layers which are in a stepped construction and are configured to cause the lyophilic material layer to have different thicknesses when defining different sub-pixel regions in a same pixel region.

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