Described are visible light absorbing compounds. The compounds absorb various visible light wavelengths, such as in the region of 500 to 625 nm, and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

A multi-component detergent, including at least two components, that is contained in a container having at least two chambers, wherein a first component K1 is a first liquid composition, containing at least one catechol metal complex compound of formula (I) ##STR00001##
and at least one free catechol compound of formula (II) or the salt thereof ##STR00002##
with the proviso that the catechol compound of formula (II) and the salt thereof are different from the compounds of formula (I), and a second component K2 is a second liquid composition, containing at least one surfactant. The present invention further relates to the use of the multi-component detergent for removing bleachable stains and a method for washing textiles using the multi-component detergent.

A multi-component detergent, including at least two components, that is contained in a container having at least two chambers, wherein a first component K1 is a first liquid composition, containing at least one catechol metal complex compound of formula (I) ##STR00001##
and at least one free catechol compound of formula (II) or the salt thereof ##STR00002##
with the proviso that the catechol compound of formula (II) and the salt thereof are different from the compounds of formula (I), and a second component K2 is a second liquid composition, containing at least one surfactant. The present invention further relates to the use of the multi-component detergent for removing bleachable stains and a method for washing textiles using the multi-component detergent.

Catechol metal complex compounds of formula (I) ##STR00001##
are colored and can be used to give color to surfactant compositions. Detergents containing these catechol metal complex compounds do not stain the textile even after repeated use.

Catechol metal complex compounds of formula (I) ##STR00001##
are colored and can be used to give color to surfactant compositions. Detergents containing these catechol metal complex compounds do not stain the textile even after repeated use.

Use of transition metal complexes of the formula (I) in organic light-emitting diodes ##STR00001## where: M.sup.1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a π complex with M.sup.1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ≥1; o is the number of ligands K, where o can be 0 or ≥1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also
an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific transition metal complexes comprising atb least two carbene ligands.

Use of transition metal complexes of the formula (I) in organic light-emitting diodes ##STR00001## where: M.sup.1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a π complex with M.sup.1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ≥1; o is the number of ligands K, where o can be 0 or ≥1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also
an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific transition metal complexes comprising atb least two carbene ligands.

A heterocyclic compound and an organic light-emitting device including the same are provided. The heterocyclic compound is represented by Formula 1: ##STR00001## Details of R1, R2, R3, X1, L1, and a1 and b1 are provided in the disclosure.

A heterocyclic compound and an organic light-emitting device including the same are provided. The heterocyclic compound is represented by Formula 1: ##STR00001## Details of R1, R2, R3, X1, L1, and a1 and b1 are provided in the disclosure.

The present specification relates to a composition for forming an optical film comprising a compound represented by Chemical Formula 1 and a binder resin, an optical film, and a display device comprising the same.