27875-89-4Relevant articles and documents
Nitrogen-containing compound, application and organic light-emitting device using nitrogen-containing compound
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Paragraph 0089; 0100-0105, (2020/05/02)
The present invention relates to a nitrogen-containing compound. The nitrogen-containing compound has a structure with a formula (1) or a formula (2) which is described in the specification. In the formula (1) and the formula (2), Ar is selected from the
Pigment composition
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, (2008/06/13)
A pigment composition contains a pigment and a dispersant. The dispersant is a polyester compound which contains, per molecule, a residuum of at least two benzene rings coupled together, an aromatic ring having at least 8 carbon atoms or a heterocyclic ring having at least 8 carbon atoms, and at least one ester bond as a principal bond.