sunshade

TH125443BActive Publication Date: 2026-10-02FRACTAL JAPAN CO LTD
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Patent Information

Application Number
TH2001006099
Authority / Receiving Office
TH · TH
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-04-26
Publication Date
2026-10-02
Estimated Expiration
2039-04-25

AI Technical Summary

Technical Problem

Conventional sunshades with fractal structures, such as the Sierpinski tetrahedron, experience a decline in light-shielding performance due to increased sunlight leakage during strong sunlight periods and seasonal changes, particularly at noon and in late summer when sunlight is harsh.

Method used

A sunshade structure featuring a plurality of light-shielding surfaces and gaps arranged three-dimensionally, utilizing curved circular members made from elliptical plates with aligned convex surfaces, forming a fractal pattern that appears almost fully covered from a light-blocking angle, and supported by a frame with adjustable inclination to optimize shading performance across varying conditions.

Benefits of technology

The solution effectively maintains high light-shielding performance across different times and seasons by minimizing sunlight leakage through the use of elliptical shapes and adjustable tilt, ensuring consistent shading efficacy.

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Abstract

[Problem] To provide a sunshade structure for which sunshade performance does not readily decline even if there is a shift in season or the time period when the sunlight is strong. [Solution] A sunshade 80 comprising a plurality of sunshade blocks in which a plurality of sunshade members are disposed so as to be aligned in a fixed direction, the sunshade members being structured such that a plurality of sun blocking faces and a plurality of spaces are disposed three-dimensionally and, when viewed from a prescribed light-blocking angle, each space seems to be substantially covered by the sun blocking face disposed therebehind, the sunshade 80 being characterized in that the sunshade members are constituted by a base configuration block 52 that comprises a plurality of curved round members 50 which are elliptical plates that have been bent, the base configuration block 52 being formed by disposing the curved round members 50 such that the curving directions thereof match one another and connecting the ends of the curved round members 50 to one another.
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