A polyester resin composition contains a polyester resin A containing 70 to 100 mass % of a polybutylene terephthalate resin and 0 to 30 mass % of a polyethylene terephthalate resin. The polyester resin composition further contains a metal organic acid salt B, which is either or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt, and a predetermined amount of a styrenic resin C. The polyester resin composition contains a predetermined amount of either or both of an alkali metal atom and an alkaline earth metal atom relative to 100 parts by mass of the polyester resin A. In the polyester resin composition, the amount of linear oligomers of polybutylene terephthalate or the amount of the linear oligomers of polybutylene terephthalate and linear oligomers of polyethylene terephthalate is less than or equal to 1000 mg/kg.

Provided is a radiative cooling device that appears white as viewed from a radiative surface side and has increased durability. The radiative cooling device includes an infrared radiative layer A having a radiative surface H for radiating infrared light, a light reflective layer B on a side of the infrared radiative layer A, which is opposite to the radiative surface H, and a protective layer D between the infrared radiative layer A and the light reflective layer B. The infrared radiative layer A is a resin material layer J having a thickness adjusted so that the resin material layer J emits heat radiation energy greater than absorbed solar energy in a wavelength range from 8 ?m to 14 ?m. The light reflective layer B includes silver or a silver alloy.

A method is for making an optical detector device. The method may include forming a reflector layer carried by a substrate, forming a first dielectric layer over the reflector layer, and forming a graphene layer over the first dielectric layer and having a perforated pattern therein.

An optical detector device may include a substrate, a reflector layer carried by the substrate, and a first dielectric layer over the reflector layer. The optical detector device may include a graphene layer over the first dielectric layer and having a perforated pattern.

This flexible thermal-control material (10A) is obtaining by stacking: a reflective layer (12) which reflects sunlight; and an infrared-ray emission layer (13) which emits infrared rays. The infrared-ray emission layer (13) is configured from a silicone material. Accordingly, a flexible thermal-control material is achieved which exhibits excellent optical characteristics such as solar absorption (?).

The present disclosure includes a stretchable reflective film comprising a transparent polymer layer; a continuous metal layer comprising at least one of tin or indium; a non-reactive adhesive layer; and a stretchable film layer. The stretchable reflective film has at least 30% specular reflectivity when stretched by 50% of the unstretched length according to Specular Reflectivity Test Method.

This invention relates to an ophthalmic lens comprising a multilayered interferential coating and to a manufacturing method thereof. The ophthalmic lens comprises: an organic substrate having a front main face and a rear main face, and a multilayered interferential coating (30) which is coated on at least one of the front main face and the rear main face, According to the invention, the multilayered interferential coating (30) comprises at least one graphene layer (2) which has a uniform thickness of between 0,1 nm to 1 nm.

The present invention is directed to a thermoplastic polyester resin composition that contains 100 to 50 parts by mass of a polybutylene terephthalate resin (A) and 0 to 50 parts by mass of a polyethylene terephthalate resin (B), and contains 1 to 20 parts by mass of a surface-treated calcium carbonate (C) having an average particle size of 0.05 to 2 m and 0.05 to 3 parts by mass of a multifunctional glycidyl group-containing styrene-based polymer (D) with respect to 100 parts by mass of the total polyester resin contained in the resin composition.

An optical detector device may include a substrate, a reflector layer carried by the substrate, and a first dielectric layer over the reflector layer. The optical detector device may include a graphene layer over the first dielectric layer and having a perforated pattern.

A Tamm electromagnetic cavity (10, 20, 30, 40, 60) possessing a resonant frequency in the THz domain, comprising: an interference mirror that is reflective in the THz domain, this mirror consisting of a stack of dielectric layers (7) comprising an alternation, in a z-direction, of two different layers, a layer referred to as the layer of high refractive index (2) and a layer referred to as the layer of low refractive index (4), the index of the layer of low refraction being lower than that of the layer of high refractive index, and being manufactured by stacking layers mechanically or by joining dielectric layers to one another; an upper metal layer (5) deposited on or added to an upper dielectric layer of said interference mirror so as to form a structure that supports at least one Tamm mode in the THz domain, the upper metal layer (5) being structured so as to form an antenna possessing a resonant frequency equal to that of the electromagnetic cavity.