发光字如何避免光污染问题?

作者:聊城宸宇广告装饰有限公司 时间:2020-09-04 09:19

发光字作为一种光源,其在运转的过程中不行避免地会出现光安全与光污染问题

As a kind of light source, Jinan luminous character will inevitably have problems of light safety and light pollution during its operation
光安全分类
Optical safety classification
大体上可将光安全分为以下两类,即光生物安全和搅扰光。
Generally, light safety can be divided into the following two categories: photobiosafety and disturbing light.
光生物安全
Photobiosafety
这种类型的光安全首要研究规模包含紫外、红外、蓝光以及可见光辐射对人体组织的损害问题。常见的光生物损害首要有光化学紫外对人体皮肤及眼睛的损害、蓝光对人体视网膜的损害、红外敷设对眼睛的损害以及光热对皮肤的损害等等。
The primary research scale of this type of light safety includes the damage to human tissues caused by ultraviolet, infrared, blue and visible light radiation. The common photobiological damage mainly includes photochemical ultraviolet damage to human skin and eyes, blue light damage to human retina, infrared radiation damage to eyes and photothermal damage to skin and so on.
在人体的一切感觉器官中,眼睛是更重要的一个部分,它的自我修正能力相对较弱,一旦遭到外界的光学辐射将会对眼睛形成不行康复的损害,就算可见光都有或许损害到人们的眼睛,如波长较短的蓝光会形成视网膜感光细胞损害,严峻时或许引起色素上皮功能退化,又如强度较高的辐照会导致视网膜热损害。
In all the sense organs of human body, the eye is the most important part, and its self-correction ability is relatively weak. Once exposed to external optical radiation, it will cause irreversible damage to the eyes. Even visible light may damage people's eyes. For example, blue light with shorter wavelength will cause damage to photoreceptor cells of retina. In severe cases, pigment epithelium function may be degraded High intensity radiation can cause thermal damage to the retina.

发光字如何避免光污染问题?
搅扰光
Disturbing light
搅扰光分为直接性和间接性两种,前者详细是指视界内亮度较高的发光体直接形成的视觉分辨力下降;后者则是指发光体并未直接出现在视界内,但光投射物体表面反射后进入人眼形成的问题。
Disturbing light can be divided into two types: direct and indirect. The former refers to the decrease of visual resolution directly formed by the illuminant with higher brightness in the visual field; the latter refers to the problem that the luminous body does not appear directly in the visual field, but the light projected onto the surface of the object enters the human eye after reflection.
经过对国内一些厂家进行调查后发现, 济南发光字的亮度在6 000~8 000 cd/m2,该数值并未到达光生物安全问题的亮度值,由此可知, 济南发光字并不会对人的视网膜形成包含蓝光损害在内的光生物损害。
After the investigation of some domestic manufacturers, it is found that the maximum brightness of Jinan luminous characters is between 6 000 and 8 000 CD / m2, which does not reach the minimum value of the problem of Photobiological Safety. Therefore, it can be seen that Jinan luminous words will not cause photobiological damage including blue light damage to human retina.

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