Patent · US Active

Light emission reducing compounds for electronic devices

US10642087B2 · kind B2 · utility

0Cited by
90References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2017
Grant dateMay 5, 2020
Priority date
Expiry dateJul 4, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/04
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light-absorbing, neutral density filter for an electronic device display. More specifically, a light-absorbing, neutral density filter applied as a shield, protective film, or protective coating layer for an electronic device display that blocks ultraviolet light, high energy visible light, and at least a portion of blue light. The neutral density filter comprises a polymer substrate and an absorbing agent.

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