A small molecule ionic isolation lattice (SMILES)-doped polymeric gain media for use in solid state dye lasers. The SMILES-doped polymeric gain media can comprise a polymer component and a SMILES component. The SMILES component can include a dye element, a counterion element, and a receptor element. In some exemplary embodiments, the SMILES composite can include the following formula: a (dye.sup.m+)x.Math.(counterionn)y.Math.(receptor)z, wherein values of m, n, x and y may be integers greater than or equal to 1.

Provided are a wavelength selective absorption filter containing a resin and a dye A, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 450 nm, and a dye C, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 560 to 600 nm, each of which has a main absorption wavelength band in a different wavelength range, as well as a polarizing plate and an organic electroluminescent display device or liquid crystal display device, which include the wavelength selective absorption filter. However, the dye A and the dye C do not have fluorescence.

The present disclosure is directed, in general, to nonlinear optical (NLO) chromophores comprising donating groups of the following general structure (D.sup.1):

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where R.sub.1 can be a substituted or unsubstituted aryl or a substituted or unsubstituted alkyl. R.sub.2 can be a substituted or unsubstituted aryl, a substituted or unsubstituted alkyl or a ring-locked structure. In some embodiments, R.sub.1 and R.sub.2 can together form a ring structure. In some embodiments, R.sub.2 can be a ring-locked structure forming a ring with the phenyl group of the formula (D.sup.1). In certain embodiments, n is 1 or 2.

The present invention relates to an additive composition comprising: (A) at least one (per)fluoropolyether polymer [PFPE polymer.sub.add] comprising a (per)fluoropolyether chain [PFPE chain.sub.add] having a first chain end and a second chain end bonded to opposite sides of said PFPE chain.sub.add, wherein: the first chain end comprises a group of formula C(O)NR.sub.aR.sub.b, wherein R.sub.a and R.sub.b, each independently, are selected from: hydrogen, linear or branched C.sub.1-C.sub.6 alkyl group; the second chain end comprises a group selected from: C.sub.1-C.sub.6 (per)fluoroalkyl group, CF.sub.2C(O)CF.sub.3 and C(OH).sub.2CF.sub.3; C(O)NR.sub.aR.sub.b, wherein R.sub.a and R.sub.b, each independently, are selected from: hydrogen, linear or branched C.sub.1-C.sub.6 alkyl group; C(O)OR.sub.c, wherein R.sub.c is a linear or branched C.sub.1-C.sub.6 alkyl group; (B) 0.01-25.0 wt. %, based on the weight of component (A), of a fluorescent dye of formula (I) (e.g. a rhodamine dye). The present invention also relates to the use of the additive composition in admixture with hydrogenated or fluorinated lubricants. The additive composition is capable of imparting the lubricant with both anti-rust and fluorescence properties.

A wavelength selective absorption filter containing a resin and a dye A, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 450 nm, and a dye C, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 560 to 600 nm, each of which has a main absorption wavelength band in a different wavelength range, as well as a polarizing plate and an organic electroluminescent display device or liquid crystal display device, which include the wavelength selective absorption filter. However, the dye A and the dye C do not have fluorescence.

The invention relates to a plant cultivation method for modifying at least one agricultural property of a cultivated plant where the agricultural property is susceptible to modification by irradiating at least part of the plant with light comprising the steps of (a) providing at least one light source emitting a first spectrum comprising a wavelength of 300 to 900 nm; (b) subjecting said first spectrum to a partial or full conversion to obtain a second spectrum comprising a wavelength of 680 to 900 nm by means of at least one color converter wherein the obtained second spectrum has higher intensities of light at wavelengths of 680 to 900 nm compared to the first spectrum; and (c) irradiating at least part of the cultivated plant with the second spectrum obtained in step (b); wherein the at least one color converter comprises in a polymeric matrix material at least one terrylene diimide compound of formula (I) wherein the variables are as defined in the claims and the description. The present invention also relates to the use of said terrylene diimide compound of formula (I) in a color converter for providing horticulture light comprising a wavelength in the range from 680 to 900 nm. ##STR00001##