Monomeric or polymeric compounds comprising at least one moiety of the formula (Ia) wherein X is CR, where R is H or a substituent as defined in claim
1,
or is another ketopyrrole moiety e.g. of the formula (1
b
) or (1
c
) with this moiety and all other symbols are as defined in claim
1,
show good solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).
[EN] ORGANIC MOLECULE LIGHT EMITTERS<br/>[FR] ÉMETTEURS DE LUMIÈRE À MOLÉCULES ORGANIQUES
申请人:GOVERNING COUNCIL UNIV TORONTO
公开号:WO2022073135A1
公开(公告)日:2022-04-14
The present application relates to compounds of Formula I having a negative singlet-triplet gap and a positive oscillator strength. The present application also relates to use of the compounds of Formula (I) in photocatalysis and in OLEDs as emitters and/or dopants.
NEGATIVE DISPERSION RETARDATION PLATE AND ACHROMATIC CIRCULAR POLARIZER
申请人:Geivandov Arthur
公开号:US20120113380A1
公开(公告)日:2012-05-10
The present invention relates generally to the field of organic chemistry and particularly to the nematic lyotropic liquid crystal solution and negative dispersion retardation plate for application in 3D liquid crystal displays. The negative dispersion retardation plate comprises a substrate, and at least one optically anisotropic retardation layer comprising a multi-component guest-host composition coated onto the substrate.
Diketopyrrolopyrrole polymers as organic semiconductors
申请人:BASF SE
公开号:US10424737B2
公开(公告)日:2019-09-24
The present invention relates to polymers comprising a repeating unit of the formula (I) and their use as organic semiconductor in organic devices, especially a diode, an organic field effect transistor and/or a solar cell, or a device containing a diode and/or an organic field effect transistor, and/or a solar cell. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).
DIKETOPYRROLOPYRROLE POLYMERS AS ORGANIC SEMICONDUCTORS
申请人:BASF SE
公开号:US20160049589A1
公开(公告)日:2016-02-18
The present invention relates to polymers comprising a repeating unit of the formula (I) and their use as organic semiconductor in organic devices, especially a diode, an organic field effect transistor and/or a solar cell, or a device containing a diode and/or an organic field effect transistor, and/or a solar cell. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).