Disclosed is a wire-free LED luminous glove, including: a glove body within which LED luminous lamp beads are arranged, and an electronic board structure within the glove body which is provided with a control chip and a power supply, wherein the LED luminous lamp beads are welded to the electronic board structure, the electronic board structure is arranged at a wrist of the glove body, and the LED luminous lamp beads are configured such that luminous points of LED luminous lamp beads form a fan shape.

Disclosed is a wire-free LED luminous glove, including: a glove body within which LED luminous lamp beads are arranged, and an electronic board structure within the glove body which is provided with a control chip and a power supply, wherein the LED luminous lamp beads are welded to the electronic board structure, the electronic board structure is arranged at a wrist of the glove body, and the LED luminous lamp beads are configured such that luminous points of LED luminous lamp beads form a fan shape.

Provided is an aromatic polycarbonate resin composition that is excellent in terms of hue and thermal yellowing-inhibiting effect and is suitable for light guide members incorporated in automobile lighting devices. The aromatic polycarbonate resin composition comprises: 100 parts by mass of an aromatic polycarbonate resin (A); 0.001 to 0.1 parts by mass of a phosphite stabilizer (B-I) as a phosphorus-based stabilizer (B) having a spiro ring skeleton; 0.01 to 0.5 parts by mass of a phosphite stabilizer (B-II) as a phosphorus-based stabilizer (B) represented by general formula (II) below; 0.05 to 2 parts by mass of a polybutylene glycol compound (C); and 0.0005 to 0.2 parts by mass of an epoxy compound (D). ##STR00001## In the formula (II), R.sup.21 to R.sup.25 each independently represent a hydrogen atom, an aryl group having 6 to 20 carbon atoms, or an alkyl group having 1 to 20 carbon atoms.

According to one implementation a central venous catheter is provided that includes an end emitting optical fiber that is configured to end emit bacterial disinfecting light to disinfect a conduit located inside the hub, the conduit connecting the working lumen of an infusion shaft with a working lumen of a main shaft.

This invention relates to a method of preparing a planar optical waveguide assembly comprising the steps of: (i) applying a curable silicone composition to a surface of a substrate to form a film; (ii) exposing the product of step (i) to ultraviolet light to form a lower clad layer; (iii) applying a photo sensitive composition on top of the lower clad layer to form a core layer on top of the lower clad layer, wherein the photo sensitive composition comprises: (A) a siloxane resin composition comprising 0 to 95 mole present of R.sup.1SiO.sub.3/2 siloxane units, 0 to 95 mole percent of R.sup.2SiO.sub.3/2 siloxane units, and 1 to 99.9 mole percent of (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units wherein R.sup.1 is hydrogen, an alkyl group containing 1 to 20 carbon atoms, an aromatic group containing 1 to 20 carbon atoms, or an epoxy functional group, R.sup.2 is a fluoroalkyl group containing 1 to 20 carbon atoms, R.sup.3 is independently selected from the group consisting of branched alkyl groups containing 3 to 30 carbon atoms, b has a value of 1 to 3, and wherein the siloxane resin composition the siloxane resin contains a molar ratio of R.sup.1SiO.sub.3/2+R.sup.2SiO.sub.3/2 siloxane units to (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units of 1:99 to 99:1 and wherein the sum of R.sup.1SiO.sub.3/2 siloxane units, R.sup.2SiO.sub.3/2 siloxane units, and (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units is at least 5 mole percent of the total siloxane units in the resin composition; (B) a photo acid generator (PAG); and (C) an organic solvent; (iv) exposing the product of step (iii) to ultraviolet light through a mask to selectively irradiate the core layer to create both exposed and unexposed regions to form a patterned waveguide structure; (v) heating the patterned waveguide structure of step (iv); (vi) applying a developing solvent to the product of step (v); (vii) applying a curable silicone composition onto the top layer of the product of step (vi) wherein the curable silicone composition has a lower refractive index than the curable silicone composition of step (i); (viii) exposing the product of step (vii) to ultraviolet light; (viv) heating the product of step (viii) to form a planar optical waveguide assembly.

This invention relates to a method of preparing a planar optical waveguide assembly comprising the steps of: (i) applying a curable silicone composition to a surface of a substrate to form a film; (ii) exposing the product of step (i) to ultraviolet light to form a lower clad layer; (iii) applying a photo sensitive composition on top of the lower clad layer to form a core layer on top of the lower clad layer, wherein the photo sensitive composition comprises: (A) a siloxane resin composition comprising 0 to 95 mole present of R.sup.1SiO.sub.3/2 siloxane units, 0 to 95 mole percent of R.sup.2SiO.sub.3/2 siloxane units, and 1 to 99.9 mole percent of (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units wherein R.sup.1 is hydrogen, an alkyl group containing 1 to 20 carbon atoms, an aromatic group containing 1 to 20 carbon atoms, or an epoxy functional group, R.sup.2 is a fluoroalkyl group containing 1 to 20 carbon atoms, R.sup.3 is independently selected from the group consisting of branched alkyl groups containing 3 to 30 carbon atoms, b has a value of 1 to 3, and wherein the siloxane resin composition the siloxane resin contains a molar ratio of R.sup.1SiO.sub.3/2+R.sup.2SiO.sub.3/2 siloxane units to (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units of 1:99 to 99:1 and wherein the sum of R.sup.1SiO.sub.3/2 siloxane units, R.sup.2SiO.sub.3/2 siloxane units, and (R.sup.3O).sub.bSiO.sub.(4-b)/2 siloxane units is at least 5 mole percent of the total siloxane units in the resin composition; (B) a photo acid generator (PAG); and (C) an organic solvent; (iv) exposing the product of step (iii) to ultraviolet light through a mask to selectively irradiate the core layer to create both exposed and unexposed regions to form a patterned waveguide structure; (v) heating the patterned waveguide structure of step (iv); (vi) applying a developing solvent to the product of step (v); (vii) applying a curable silicone composition onto the top layer of the product of step (vi) wherein the curable silicone composition has a lower refractive index than the curable silicone composition of step (i); (viii) exposing the product of step (vii) to ultraviolet light; (viv) heating the product of step (viii) to form a planar optical waveguide assembly.

There is provided a novel and improved optical body, method for manufacturing an optical body, light-emitting apparatus, and image display apparatus capable of improving emitted luminance and transparency, the optical body including: a base material; and a light extraction section, formed on at least one surface of the base material, that extracts internally propagated light incident inside the base material from a side face of the base material to an outside of the base material. The light extraction section includes a concave-convex structure in which at least one of concavities and convexities has a frustum shape, a fill ratio of the concave-convex structure is 15% or greater, and a light transmittance is 50% or greater.

A lighting apparatus includes: a light source module; a light guide that guides light emitted from the light source module; and a light exit structure provided in the light guide, for causing the light to exit the light guide. The light guide includes: a base material that is flexible and light-transmissive; and a visible-light absorber uniformly dispersed in the base material. The visible-light absorber has a maximum absorption wavelength of at least 500 nm and at most 750 nm.

Problem to Be Solved: to provide a chromophore having a far superior nonlinear optical activity to conventional chromophores and to provide a nonlinear optical element comprising said chromophore. Solution: a chromophore comprising a donor structure D, a -conjugated bridge structure B, and an acceptor structure A, the donor structure D comprising an aryl group substituted with a substituted oxy group; and a nonlinear optical element comprising said chromophore.

An optical sheet for a backlight unit for guiding toward a front face side rays of light emitted by an LED light source. The optical sheet includes one or more resin layers. Ultrafine grooves oriented in specific directions are provided on a front face side or a back face side of at least one resin layer of the one or more resin layers. An average number of the ultrafine grooves per unit length in a direction perpendicular to an average orientation of the ultrafine grooves is preferably no less than 10/mm and no greater than 10,000/mm. A face of the at least one resin layer provided with the ultrafine grooves preferably has an arithmetic average roughness (Ra) in a direction perpendicular to an orientation of the ultrafine grooves being no less than 0.01 m and no greater than 5 m. Ultrafine grooves preferably constitute a diffraction grating.