Patent · US Active

Display device and manufacturing method thereof

US11793044B2 · kind B2 · utility

0Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2019
Grant dateOct 17, 2023
Priority date
Expiry dateJun 4, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/02068
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Provided is a display device. The display device includes: a substrate; a gate line disposed on the substrate; a transistor including a part of the gate line; and a light-emitting element connected to the transistor, in which the gate line includes a first layer including aluminum or an aluminum alloy, a second layer including titanium nitride, and a third layer including metallic titanium nitride. An N/Ti molar ratio of the metallic titanium nitride may be in a range from about 0.2 to about 0.75.

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