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Anti-glare plate with nonlinear edge pyramid microstructure

A non-linear, anti-glare technology, applied in the field of lighting, can solve the problems of reduced luminous efficiency and UGR value, and achieve the effect of minimizing the reduction of luminous efficiency and meeting the requirements of luminous efficiency.

Pending Publication Date: 2018-08-24
浙江彩丞科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, under normal circumstances, the larger the base angle of the quadrangular cone, the lower the UGR value, but the light effect is also reduced (compared with the diffuser plate, less than 90%)

Method used

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  • Anti-glare plate with nonlinear edge pyramid microstructure
  • Anti-glare plate with nonlinear edge pyramid microstructure
  • Anti-glare plate with nonlinear edge pyramid microstructure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An anti-glare plate with non-linear pyramid microstructures involved in this embodiment includes an anti-glare plate body and a pyramid microstructure disposed on the anti-glare plate body. The edge of the pyramid is a concave non-linear edge, which is a broken line and is composed of a set number of line segments. The number of line segments in this embodiment is 5, and the bottom four line segments form a pyramid truncated, and the top line segment forms a truncated pyramid. Pyramids, two adjacent truncated pyramids or pyramids have a common face and the same height. The base angles of the above four truncated pyramids and one pyramid are respectively 25°, 27.5°, 30°, 32.5°, 35°. That is, the anti-glare plate involved in this embodiment has five different bottom angles. The base angle is the included angle between the slope of the pyramid or the truncated pyramid and the bottom surface.

Embodiment 2

[0018] An anti-glare plate with non-linear pyramid microstructures involved in this embodiment includes an anti-glare plate body and a pyramid microstructure disposed on the anti-glare plate body. The edge of the pyramid is a concave non-linear edge, which is a curve.

[0019] Taking the center of the bottom surface of the quadrangular pyramid as the origin, the side length of the quadrangular pyramid is L, the height is H, and the parabolic function passing through the curved surface of the quadrangular pyramid: Y=-4H / L 2 , the four surfaces are symmetrically intercepted.

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Abstract

The invention discloses an anti-glare plate with a nonlinear edge pyramid microstructure, which comprises an anti-glare plate body and a pyramid microstructure arranged on the anti-glare plate body, wherein the edge of the pyramid is a nonlinear edge, and the nonlinear edge presents an inner concave shape. According to the anti-glare plate with the nonlinear edge pyramid microstructure disclosed in the invention, different base angles are arranged in the same pyramid microstructure, a right square pyramid with a large base angle can reduce an UGR value, and requirements on the UGR value by a lighting device are met; a right square pyramid with a small base angle can achieve minimization of reduction of light efficiency, and requirements on the light efficiency by the lighting device can bemet; and the lighting device provided with the anti-glare plate can achieve minimization of reduction of the light efficiency and maximization of fabric radiated by light, and can also meet the UGR standard at the same time.

Description

technical field [0001] The invention relates to the technical field of lighting, in particular to an anti-glare plate with a non-linear pyramidal microstructure. Background technique [0002] Studies have shown that the larger the side bottom angle of the pyramid structure in the anti-glare panel, the more light is refracted toward the ground, and the light with a large angle is refracted, and the UGR value decreases. However, the side lobe side light leakage phenomenon will occur when the base angle of the square pyramid is formed within a certain range. When the base angle of the square pyramid is larger, the recirculation phenomenon of light returning to the incoming direction of light increases, resulting in more Reflection, resulting in reduced light efficiency. When the base angle of the quadrangular pyramid is too large, the UGR condition is met, but the light efficiency is reduced. In addition, when the base angle of the quadrangular pyramid is too small, the reduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/02F21V5/00
CPCF21V5/005G02B5/0231
Inventor 孙浩姚俊俊伍滨和
Owner 浙江彩丞科技有限公司
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