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Optical lens with function of blocking infrared rays and its optical lens

A technology of optical lenses and optical lenses, which is applied in the field of optical lenses, can solve problems such as unfavorable optical lenses and adding optical lenses, and achieve the effect of avoiding image quality

Active Publication Date: 2016-03-30
GENIUS ELECTRONICS OPTICAL XIAMEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since an infrared filter needs to be additionally arranged in the optical lens, the overall length of the optical lens will be increased, which is not conducive to providing a thinner and smaller optical lens.

Method used

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  • Optical lens with function of blocking infrared rays and its optical lens
  • Optical lens with function of blocking infrared rays and its optical lens
  • Optical lens with function of blocking infrared rays and its optical lens

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example ＞

[0087] First please refer to Figure 9 to Figure 14 , which shows the spectrogram according to the first embodiment of the present invention, the optical lens of the present embodiment or the selected optical lens of the optical lens is to form 6 layers of optical film layers thereon, the total thickness of these 6 layers of optical film layers between 500 and 600 nanometers. The optical lenses used here are all made of E48R plastic material produced by ZEONEX Company, and a total of 6 layers of different lenses are stacked on at least one surface (that is, at least one of the object side and the image side) by vacuum evaporation technology. The first material optical film layer and the second material optical film layer of the refractive index are prepared, and Ti is selected here 3 o 5 materials to make the first material optical film layer, and SiO 2 The material makes the second material optical film layer. Please refer to the following two tables for the thickness and t...

no. 2 example ＞

[0103] Please also refer to Figure 15 to Figure 20 , which shows the spectrogram according to the second embodiment of the present invention, the optical lens of the present embodiment or the selected optical lens of the optical lens is to form 8 layers of optical film layers thereon, the total thickness of these 8 layers of optical film layers Between 601 and 900 nanometers. The optical lenses used here are all made of E48R material (refractive index 1.533) produced by ZEONEX, and a total of 8 layers are stacked on at least one surface (ie at least one of the object side and the image side) by vacuum evaporation. The first material optical film layer of the layer and the second material optical film layer are prepared. In order to provide a comparative result in order to integrate various embodiments in this description, here is to select the same Ti 3 o 5 with SiO 2 The material makes the first material optical film layer and the second material optical film layer to ma...

no. 3 example ＞

[0117] Please also refer to Figure 21 to Figure 26, which shows the spectrogram according to the third embodiment of the present invention, the optical lens of the present embodiment or the selected optical lens of the optical lens is to form 12 optical film layers thereon, the total thickness of the 12 optical film layers between 1201 and 1550 nanometers. More specifically, the optical lenses used here are all based on the main body of E48R material (refractive index 1.533) produced by ZEONEX, and vacuum evaporated on at least one surface (ie at least one of the object side and the image side). A total of 12 layers of high refractive index optical coatings (Ti 3 o 5 ) and low refractive index optical film (SiO 2 ) prepared in a manner. When the optical lens selected in this embodiment is coated with an optical film layer on its object side, please refer to the following two tables for the thickness and total thickness of the first material optical film layer and the seco...

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Abstract

The invention provides an optical lens with the function of blocking infrared rays and optical glass of the optical lens with the function of blocking the infrared rays. The optical glass comprises a body with two surfaces, wherein a plurality of optical film layers are formed on at least one of the two surfaces, and are stacked in one direction, the total number of the optical film layers is no more than twenty, and the total thickness of the optical film layers is no smaller than 400 nanometers and no larger than 2000 nanometers. Through the stacking of the optical film layers, the penetration rate of the optical glass to incident light of an infrared ray wave band is reduced, so that the infrared rays are filtered, and an additional infrared ray optical filter is not needed.

Description

【Technical field】 [0001] The present invention relates to an optical lens and its optical lens, and especially to an optical lens with the function of blocking infrared rays and its optical lens. 【Background technique】 [0002] First please refer to figure 1 , which shows a schematic structural view of a conventional optical lens system. As shown in the figure, the traditional optical lens 1 shown here is composed of three optical lenses 10 , 20 , 30 , a photosensitive component protection glass 80 , a photosensitive component 90 and an infrared filter 100 . Each optical lens 10, 20, 30 has two surfaces 11, 12, 21, 22, 31, 32, wherein the surfaces 11, 21, 31 face the object side, so it is called the object side, and the surfaces 12, 22, 32 face the image side , so it is called the image side. The positions of the optical lenses 10, 20, 30 are set in a lens holder (not shown) via a lens barrel (not shown), and are driven by a focusing module (not shown) on the lens holder ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B13/14G02B1/115G02B1/11
Inventor 林文桦廖仓毅林宏谚苏国进方契盛
Owner GENIUS ELECTRONICS OPTICAL XIAMEN
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