Patent · US Active

Oligomeric organic light emitting diode (OLED) materials containing multiple crosslinking functions

US9761804B2 · kind B2 · utility

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10Claims
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Key dates

Filing dateMay 9, 2013
Grant dateSep 12, 2017
Priority date—
Expiry dateOct 21, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K50/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

OLED materials having the formula: T-A(-S-B(-P-B)m-S-A)n-T where A are independently selected rod-shaped, rigid molecular core units, S are independently selected flexible spacer units, B are polymerisable crosslinking groups independently selected, P are spacer groups independently selected, T are independently selected end groups, m are independently selected from values of from 1 to 4, n is equal to I to 3.

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