High Illumination Uniformity Inverted Plant Light Source Design with Bulge Structure

Xin-yu, 姜昕宇 Jiang; Shang-sheng, 文尚胜 Wen; Xin, 左 欣 Zuo; Bing-xu, 马丙戌 Ma; Xiao-lin, 靳肖林 Jin; Ming-xing, 蔡明兴 Cai; Yan-ru, 陈妍如 Chen; Feiyu, 焦飞宇 Jiao; Bo, 张博 Zhang; Qi-bao, 吴启保 Wu

doi:10.3788/fgxb20204103.0339

Cited by 3 publications

(1 citation statement)

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“…Firstly, simulate the light distribution of the 3535 specification LED light source without a free-form lens module, as shown in figure 6, the light has a large light distribution angle and the central light intensity is strong, besides, the illumination distribution on the receiving surface is uneven. Therefore, we take advantage of the free-form lens module to design the batwing light distribution which the uniformity of receiving surface=minimum illuminance value within the receiving surface/average illuminance value within the receiving surface [7] .…”

Section: The Distribution Curve Of the Led Light Sourcementioning

confidence: 99%

Design the free-form lens of the LED plant lamp for uniform illumination

lai,

Wang

2024

International Conference on Optics and Machine Vision (ICOMV 2024)

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Aiming at the problems of poor illumination uniformity and low efficiency of existing plant lamps, according to the basic principles of optics and Principle of non-imaging optics, this paper designs a hyperboloid lens module with high uniformity. The hyperboloid radian of the free-form lens is used to divide the light emitted by LED into two parts: refraction and transmission, which increases the coupling degree of light and improves the optical efficiency and uniformity of the light exit surface. In this paper, 3535 440 LEDs of 1W are used as the light source of the plant lamp. In the plant lamp with the size of 170mm×350mm, the LED light source is divided into 11 rows with 40 LEDs in each row. The light tracing simulation of the free-form lens module model of the designed plant lamp is carried out in TracePro software. The results show that when the maximum diameter of the free-form lens is 15.0mm, the height is 9.16mm and the thickness is 3.8mm, the beam angle of the plant lamp is 90, and the receiving surface is 0.5 m away from the lightemitting surface of the plant lamp, the illumination distribution with over 90% uniformity and 90% optical efficiency can be obtained in the illumination area with a diameter of 500mm×500mm.

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Section: The Distribution Curve Of the Led Light Sourcementioning

confidence: 99%