The present specification relates to an optical film, and a display device comprising the same.

An optical material satisfies the following (1) to (3) by a transmittance curve in a case in which the optical material is measured at a thickness of 2 mm, and has a* of from −4 to 1 and b* of from −1 to 11 as a hue in a CIE 1976 (L*, a*, b*) color space: (1) the transmittance curve has a maximum value T1 of transmittance at a wavelength of from 400 nm to 445 nm of 65% or more; (2) the transmittance curve has a minimum value T2 of transmittance at a wavelength of from 445 nm to 485 nm of 60% to 90%; and (3) a minimum value of transmittance at a wavelength of from 650 nm to 800 nm is 75% or more, and an average value of transmittance at a wavelength of from 650 nm to 800 nm is 80% or more.

There is provided with a compound represented by Formula or a salt thereof; where A is a linking group represented as —X—NHCO— where X is a C.sub.1 to C.sub.6 alkylene group, each of R.sub.1, R.sub.2, R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.10, and R.sub.11 is a hydrogen atom, each of R.sub.3, R.sub.6, and R.sub.9 is a substituent of Formula; R.sub.12 is selected from a group of substituents represented by Formulae, R.sub.13 is a sulfo group, Ra, Rb, and Rc are substituents independently selected from C.sub.1 to C.sub.6 alkyl groups, and Rd is a hydrogen atom or a C.sub.1 to C.sub.6 alkyl group, and Rx is a substituent represented by General Formula.

Described herein are compositions, optical elements, and methods for improving color discernment. Disclosed is a composition comprising: a luminescent compound; and a light absorbing dye. The luminescent compound is preferably rhodamine B: (I). The light absorbing dye is preferably the porphyrin derivative below: (II).

##STR00001##

Described herein are compositions, optical elements, and methods for improving color discernment. Disclosed is a composition comprising: a luminescent compound; and a light absorbing dye. The luminescent compound is preferably rhodamine B: (I). The light absorbing dye is preferably the porphyrin derivative below: (II).

##STR00001##

There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.

There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.

Solid lipid nanoparticles (SLNs) and suspensions thereof in an aqueous phase are provided, in which the SLNs have high content of oil-soluble pigment and high stability. A food product, such as a beverage, comprising said SLNs is also provided.

The present invention is generally directed to the synthesis and use of fluorophores. It is more specifically directed to the synthesis and use of deuterated fluorophores. In one case, the present invention provides a compound of the structure shown in FIG. 44.

The present invention provides an optical purification layer, an edge-lit backlight module, and a polarizer. The material of the optical purification layer includes an organic absorbing dye for absorbing cyan light and yellow orange light having a wavelength range of 560-610 nm. The edge-lit backlight module includes a back plate, a reflector, a light guide plate, an edge light source, and an optical film module stacked, wherein the optical purification layer is provided between the edge light source and the light guide plate, or the optical purification layer is further provided between the light guide plate and the diffuse reflection layer, or the light guide plate includes a material of the optical purification layer.