JPS61136859U

JPS61136859U -

Info

Publication number: JPS61136859U
Application number: JP1961285U
Authority: JP
Priority date: 1985-02-13
Filing date: 1985-02-13
Publication date: 1986-08-26

Description

[Brief explanation of the drawing]

第１図は光拡散性を見るための装置の図であり
、第２，３図は光拡散による影の広さを示す図で
ある。また第４図は光拡散の程度を説明するため
の図であり、第５図は光拡散性薄層物を製造する
ための口金ノズル形状、第６図はそれにより得ら
れる薄層物の断面形状、第７図は凹凸条の幅、間
隔、高さ又は深さ、角度を説明するための図であ
る。 FIG. 1 is a diagram of an apparatus for observing light diffusivity, and FIGS. 2 and 3 are diagrams showing the width of a shadow due to light diffusion. In addition, Fig. 4 is a diagram for explaining the degree of light diffusion, Fig. 5 is a shape of a nozzle for producing a light-diffusing thin layered product, and Fig. 6 is a cross-section of the thin layered product obtained thereby. FIG. 7 is a diagram for explaining the width, interval, height or depth, and angle of the uneven stripes.

Claims

[Claims for Utility Model Registration] 1. A light-diffusing thin film-like material having fine unevenness formed on at least one side thereof. 2. The light-diffusing thin film material according to claim 1, wherein the width of the uneven stripes is 1.0 micron to 30 mm. 3 The depth of the concave part or the height of the convex part of the uneven strip is 5 or more.
The light-diffusing thin film-like material according to claim 1, which has a particle size of 250 microns. 4 The thickness of the thin film material is 20 microns to 1.
The light-diffusing thin film-like material according to claim 1 of the utility model registration claim, which has a diameter of 0 mm. 5. The light-diffusing thin film material according to claim 1, wherein the thin film material is made of a polyvinyl alcohol-based polymer.