Patent · US Active

Deposition mask, method of manufacturing display device using the deposition mask, and display device

US11621310B2 · kind B2 · utility

1Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 2020
Grant dateApr 4, 2023
Priority date
Expiry dateJan 26, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/351
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Provided are a deposition mask, a method of manufacturing a display device using the deposition mask, and a display device. The deposition mask includes a main frame defining a first opening; ribs extending away from a side of the main frame, the ribs being apart from each other and defining second openings; and bridges connecting the ribs to one another across the second openings, wherein the bridges and the ribs form the same top surface, and a thickness of each of the bridges is less than a thickness of each of the ribs.

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