75results about How to "Improve anti-reflection ability" patented technology

The invention relates to a broadband anti-reflection film, which comprises a bottom layer, a widened layer and a top layer which are formed on the surface of an optical element in turn, wherein the bottom layer is an intermediate refractive index material layer the film thickness of which is between 0.95 and 1.05 d; the top layer is a low refractive index material layer the film thickness of which is between 0.95 and 1.05 d; the widened layer comprises a first film, a second film, a third film, a fourth film and a fifth film which are formed along the direction from the bottom layer to the top layer in turn; the first film is a high refractive index material layer the film thickness of which is between 0.311 and 0.343 d; the second film is a low refractive index material layer the film thickness of which is between 0.147 and 0.163 d; the third film is a high refractive index material layer the film thickness of which is between 1.561 and 1.725 d; the fourth film is a low refractive index material layer the film thickness of which is between 0.210 and 0.232 d; and the fifth film is a high refractive index material layer the film thickness of which is between 0.321 and 0.355 d, wherein d is equal to lambda / (4n), wherein lambda refers to the wavelength of incident light and n refers to the refractive index of a corresponding film.

The invention provides an organic light-emitting diode display panel and a display device. The display panel comprises a display substrate and a phase function layer arranged on the display substrate,wherein the display substrate comprises a plurality of pixel units; the phase function layer comprises a plurality of phase hysteresis layers; each phase hysteresis layer corresponds to one pixel unit; and the phase hysteresis layer is used for converting the linearly polarized light passing through the phase hysteresis layer into circularly polarized light. The display panel and the display device provided by the invention are high in anti-reflection capability, not interfered by external light when a picture is displayed, high in definition, and favorable for realizing the light and thin design of the display panel and the display device.

It is an object to provide an optical transparent member capable of maintaining a high-performance antireflection effect for a base over a long period of time, and an optical system using the same, specifically an optical transparent member including on a base a layer containing SiO2 as a main component, a layer containing Al2O3 as a main component, and a plate crystal layer formed from plate crystals containing Al2O3 as a main component, wherein the surface of the plate crystal layer has a shape of irregularities, and an optical system using the same.

An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.

An antireflective structure includes: a flat layer having a surface; a fine structure layer including: fine protrusions each including: a head end part, and a base face which is at least one of: a circular base face of a truncated cone, the circular base face having diameter of circle, and a polygonal base face of a truncated pyramid, the polygonal base face having diameter of circumscribing circle of polygonal base face, the fine protrusions being arranged on the surface of the flat layer to define a pitch, wherein, with first reflective face formed in head end part of each of the fine protrusions, and second reflective face formed between fine protrusions on the surface of flat layer: each of the diameter of the circle and the diameter of the circumscribing circle is smaller than wavelength of incident electromagnetic wave, and the pitch is smaller than wavelength of incident electromagnetic wave.

Disclosed is a method for producing an antireflective film which has excellent abrasion resistance while exhibiting sufficient antireflection performance. Also disclosed is an antireflective film produced by such a method. Further disclosed are a polarizing plate and image display comprising such an antireflective film. Specifically disclosed is a method for producing an antireflective film comprising at least one antireflective layer on a transparent base which is characterized in that at least one layer on the transparent base is formed by a film-forming process including the following steps (1) and (2): (1) a step wherein a coating layer is formed on the transparent base; (2) a step wherein the coating layer is irradiated with ionizing radiation and cured in an atmosphere having a lower oxygen concentration than the air.

An optical film having an optically-transparent substrate, and a low refractive index layer having a thickness d on one side of the optically-transparent substrate, a polarizing plate and a display panel provided with the same, and a display provided with the same.

The present invention is dedicated to a cost reduced anti-reflection film of a multi-lamination structure that is reduced in number of layers and increased in thickness of the same for the purpose of facilitating the total control of the film thickness and that can be manufactured in a simplified process so as to reduce the manufacturing cost. Three component layers are deposited one over another on a substrate ranging from 1.90≦ns≦2.10 in refractive index at an arbitrary design basis wavelength within a wavelength range in and near visible band, and these layers exhibit optical properties as in the following table:Refractive Index ‘n’Optical Film thickness ‘nd’1st Layer1.54 ≦ n1 ≦ 2.000.465 λ≦ n1d1 ≦ 0.575 λ2nd Layer1.95 ≦ n2 ≦ 2.630.490 λ≦ n2d2 ≦ 0.508 λ3rd Layer1.35 ≦ n3 ≦ 1.550.245 λ≦ n3d3 ≦ 0.255 λ.