Provided are a resin laminated optical body, a light source unit, an optical unit, a light irradiation device, an image display device, and a method for manufacturing a resin laminated optical body that are novel and improved, by which an optical apparatus can be reduced in size, and the light emission quality can be improved. To achieve the above object, according to an aspect of the present invention, a resin laminated optical body is provided including an optical base material having a curved surface, and a resin layer provided on the curved surface of the optical base material, in which a light diffusing structure is formed in a surface of the resin layer.

A method includes applying a polymer to a mold, the mold having microstructures with the polymer flowing into the microstructures when applied to the mold. The method includes pressing an inorganic substrate onto the polymer. The method includes curing the polymer to fix the polymer to the inorganic substrate to form an optical element from the polymer and the inorganic substrate, the optical element having microstructures formed by the microstructures in the mold. The method includes releasing the optical element from the mold.

Article (9,19) comprising a substrate (10, 20) comprising a polymer and having first (11,21) and second (12, 22) opposed major surfaces. The first major surface (11, 21) has first surface regions (13, 23) with first nanoparticles (14a, 14b, 14c, 14d, 24a, 24b, 24c, 24d) partially embedded into the first major surface (11, 21), and one of •(a) second surface regions (15) free of nanoparticles; or •(b) second surface regions (25) with at least second nanoparticles (28) on the first major surface (11, 21) or partially embedded into the first major surface (11, 21). The first surface regions (13, 23) have a first average surface roughness, R.sub.a1, of at least 20 nm, wherein the second surface regions (15, 25) have a second average surface roughness, R.sub.a2, of less than 100 nm, wherein the first average surface roughness, R.sub.a1, is greater than the second average surface roughness, R.sub.a2, and wherein there is an absolute difference between the first and second average surface roughness of at least 10 nm.

An optical film having a first surface, an opposing second surface, and a thickness normal to the first and second surfaces is cut. Cutting the film forms a channel at least partially through the thickness of the film. A light control material is printed proximate to a surface of the film. The ink traverses through the channel by capillary motion.

A lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a flange part which are formed of a thermosetting first resin and continuous to one another. The light-shielding part covers an outer lateral side of the connection part and is formed of a second resin having a greater light-absorptance or a greater light-reflectance than the first resin.

A switchable diffuser is provided and includes: a first substrate; a second substrate; a first driving electrode on the first substrate; a second driving electrode on the second substrate; a polymer dispersed liquid crystal film between the first and second driving electrodes. The polymer dispersed liquid crystal film is made of a polymer dispersed liquid crystal composition via polymerizing and curing; the polymer dispersed liquid crystal composition includes: polymerized monomer, photoinitiator, spacer particles, nano scattering particles and liquid crystal. In the polymer dispersed liquid crystal composition, a percentage of the polymerized monomer is 5 wt %˜30 wt %, a percentage of the photoinitiator is 0.05 wt % to 3 wt %, a percentage of the spacer particles is 0.8 wt % to 2 wt %, a diameter of the spacer particles is in a range of 10 micrometers to 50 micrometers, a percentage of the nano scattering particles is 0.1 wt % to 2 wt %, a percentage of the liquid crystal is 69 wt % to 90 wt %.

A light guide plate integrated trim panel for a vehicle is provided and includes, in the trim panel for the vehicle mounted to an interior trim of the vehicle, a light guide plate configured to diffuse light emitted from a light source; and a base formed to surround the circumference and the bottom surface of the light guide plate, wherein the side surface of the light guide plate is formed to be stepped to be fixed by the base holding the circumference of the light guide plate.

A switchable diffuser is provided and includes: a first substrate; a second substrate; a first driving electrode on the first substrate; a second driving electrode on the second substrate; a polymer dispersed liquid crystal film between the first and second driving electrodes. The polymer dispersed liquid crystal film is made of a polymer dispersed liquid crystal composition via polymerizing and curing; the polymer dispersed liquid crystal composition includes: polymerized monomer, photoinitiator, spacer particles, nano scattering particles and liquid crystal. In the polymer dispersed liquid crystal composition, a percentage of the polymerized monomer is 5 wt %30 wt %, a percentage of the photoinitiator is 0.05 wt % to 3 wt %, a percentage of the spacer particles is 0.8 wt % to 2 wt %, a diameter of the spacer particles is in a range of 10 micrometers to 50 micrometers, a percentage of the nano scattering particles is 0.1 wt % to 2 wt %, a percentage of the liquid crystal is 69 wt % to 90 wt %.

The present invention relates to a diffuser and a method of manufacturing the same, and more particularly, to a diffuser and a method of manufacturing the same, in which light emitted through the diffuser forms an asymmetric light output pattern. A diffuser according to an exemplary embodiment is a diffuser that forms an asymmetric light output pattern by diffusing laser beams received from a laser source, the diffuser including: a base; and a micro lens array disposed on the base, in which the micro lens array has a plurality of micro lenses each comprising a lower surface and a curved surface disposed on the lower surface, and the lower surface has horizontal and vertical lengths different from each other.

A lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a flange part which are formed of a thermosetting first resin and continuous to one another. The light-shielding part covers an outer lateral side of the connection part and is formed of a second resin having a greater light-absorptance or a greater light-reflectance than the first resin.