39results about How to "Good anti-reflection properties" patented technology

A liquid crystal display device of an in-plane switching mode comprises at least optically anisotopic members (A) and (B) and liquid crystal cell disposed between a pair of polarizers having absorrption axes disposed approximately perpendicularly to each other, wherein n_zA>n_yA and n_xB>n_zB (n_xA, n_xB: refractive indices (n) in the direction of the in-plane slow axis; n_yA, n_yB: n in the in-plane direction perpendicular to the above direction; n_zA, n_zB: n in the direction of thickness, each at 550 nm); the in-plane slow axes of (A) and (B) are approximately parallel or perpendicular to each other; and the in-plane slow axis of (A) is approximately parallel or perpendicular to the absorption axis of a polarizer closer to (A). The antireflection property, scratch resistance and durability are exellent, the angle of field is wide, and uniform display of images with great contrast can be achieved at any angle of observation.

[Problem to be Solved] To provide an optical filter for display which can be easily prepared, which is thin and light, which has excellent electromagnetic wave shielding property and antireflection property, and which scarcely suffers from occurrence of interference fringe.

[Means for Solving Problem] An optical filter for display comprising at least one transparent film, a mesh-shaped conductive layer provided on the one transparent film, and a hard coat layer provided on the mesh-shaped conductive layer, wherein an intermediate layer is further provided between the transparent film and the mesh-shaped conductive layer, and the intermediate layer has refractive index of 1.60 to 1.80 and contact angle of 70 to 100 degrees.

The present invention provides a coating composition for antireflection that includes a low refractive material having a refractive index of 1.2 to 1.45 and a high refractive resin having a refractive index of 1.46 to 2, in which the difference in the surface energy between two materials is 5 mN/m or more; an antireflection film manufactured using the coating composition for antireflection; and a method of manufacturing the antireflection film. According to the present invention, the antireflection film having excellent abrasion resistance and antireflection characteristic can be manufactured using a single composition by one coating process, thereby reducing manufacturing cost.

The present invention provides a coating composition for ant iref lection that includes a low refractive material having a refractive index of 1.2 to 1.45 and a high refractive resin having a refractive index of 1.46 to 2, in which the difference in the surface energy between two materials is 5 mN/m or more; an ant iref lection film manufactured using the coating composition for ant iref lection; and a method of manufacturing the ant iref lect ion film. According to the present invention, the ant iref lect ion film having excellent abrasion resistance and antiref lection characteristic can be manufactured using a single composition by one coating process, thereby reducing manufacturing cost.

An optical element comprising a lens having a portion with a surface inclination angle of 50° or more within an effective-diameter region, the portion being 10% or more of the effective-diameter region in a projected area, and an anti-reflection coating formed on the lens, the anti-reflection coating having fine roughness with three-dimensional average surface roughness of 5-100 nm on the surface.

The invention discloses a circular polarizer and a preparation method thereof. In the invention, the surface of a base material is coated with a first orientation layer and a second orientation layer respectively; a phase difference layer is formed on the surface of the second orientation layer; the surface of the first orientation layer is coated with a polarization layer mixture; the polarization layer mixture comprises multiple polymerizable liquid crystal monomers, a dichroic pigment and an ultraviolet absorber; under ultraviolet irradiation, the polymerizable liquid crystal monomers with more polymerizable groups on the side close to the ultraviolet light source are enriched, and the polymerizable liquid crystal monomers with fewer polymerizable groups on the side far from the ultraviolet light source are enriched; the polymerizable liquid crystal monomers with more polymerizable groups are in a nematic phase, the viscosity of the nematic phase is relatively low, and a continuous and perfect cured film is formed; the polymerizable liquid crystal monomers with fewer polymerizable groups are in a smectic phase, and the smectic phase is an ideal two-dimensional ordered structure and realizes a polarization effect to form a polarization layer; and the circular polarizer has a thinning property and a good flexural property as well as a good anti-reflection property in the whole visible light range.

An object of the present invention is to provide an antireflection film and an optical device having excellent antireflection characteristics against a light beam having a wide wavelength range at a wide range of an incident angle, and also having practically sufficient durability. To achieve the above object, the present invention adopts an antireflection film having an optical two-layer structure composed of an intermediate layer provided on a base material and a low refractive index layer provided on a surface of the intermediate layer, wherein the low refractive index layer is a layer obtained by binding hollow silica by a binder, a refractive index n(1) thereof is between 1.15 and 1.24 inclusive, and a refractive index n(2) of the intermediate layer satisfies a relation in the expression (1) below assuming a refractive index of the base material n(sub).

n(1)×√{square root over (n(sub))}×0.930≦n(2)≦n(1)×√{square root over (n(sub))}×0.985  (1)

The invention provides a production process of AG (anti-glare) glass. The process comprises the following steps of smelting glass raw materials by utilizing a smelting furnace so as to form glass fluid; then enabling glass to be molded through a fusion tin chamber by using a float glass process to form an earlier-stage glass pane; then annealing the earlier-stage glass pane by utilizing an annealing chamber to form a finished glass pane; then cutting and edging the finished glass pane to make a glass template; then polishing the glass template; then washing the glass template; then making hardmasking film; then making an ultraviolet curing polymer layer; then making a model; then making a curing layer with the model; then demolding; then etching the glass template by using one of reactiveion etching or inductive coupling plasma etching or using both, wherein the etching speed of the hard masking film is lower than the etching speed of the glass template. Compared with the prior art,the production process of the AG glass can be used for high-efficiency and high-quality production of the AG glass, and the AG glass has excellent performance.

A composition for a hardmask including copolymer including repeating units represented by Chemical Formulae 1 and 2 and a solvent, a method of forming a pattern using the same, and a semiconductor integrated circuit device including a pattern formed using the method are provided.

There is provided a polarizing plate with optical compensation layers that is excellent in antireflection characteristic: in an oblique direction while maintaining an excellent antireflection characteristic in a front direction, and that has a neutral hue in the oblique direction. A polarizing plate with optical compensation layers according to the present invention is used for an organic EL panel The polarizing plate with optical compensation layers according to an embodiment of the present invention includes in the following order: a polarizer; a first optical compensation layer; and a second optical compensation layer. The first optical compensation layer shows a refractive index characteristic of nx>nz>ny and has an Re (550) of from 230 nm to 310 nm. The second optical compensation layer shows a refractive index characteristic of nx>nz>ny and satisfies a relationship of Re (450)<Re (550).