Patent · US Active

Preparation method of color film layer, display substrate and preparation method thereof

US11587988B2 · kind B2 · utility

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19Claims
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Assignee

Inventors

Key dates

Filing dateAug 27, 2019
Grant dateFeb 21, 2023
Priority date
Expiry dateJul 21, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K59/1201
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, which are provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; one of the red film layer and the blue color film layer covers part of the green film layer; one part of the green film layer does not overlap with the red film layer and the blue film layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.