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Illuminating device

A lighting device and light irradiation technology, applied to lighting devices, lighting device components, outdoor lighting, etc., can solve problems such as pollution, large weight and volume of lamps, and increased danger

Active Publication Date: 2012-11-07
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The peak light intensity distribution of traditional street lighting devices is about 60 degrees away from the vertical direction, which will directly shine into the sight of the human eye to form direct glare, which makes people feel fatigued and increases the risk
Moreover, the distribution of traditional light sources on the road surface is mostly a symmetrical shape such as a circle or an ellipse. If you want to illuminate a large-scale road surface, a large amount of light will be projected to places other than the road surface to cause light waste and pollution. If you want to use it If the reflector is used to adjust the illumination pattern, a reflector with a greater depth will be required to produce a satisfactory effect, but the weight and volume of the lamp will be very large

Method used

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  • Illuminating device
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Embodiment Construction

[0050] In order to further understand the purpose, structure, features, and functions of the present invention, the following detailed descriptions are given in conjunction with the embodiments.

[0051] Please refer to Figure 1A , is a three-dimensional schematic diagram of the first embodiment of the present invention. Such as Figure 1AAs shown, the lighting device 100 of the present invention includes a light emitting unit 10 and a lens module 20 . The lens module 20 has a first curved surface 21 and a second curved surface 22 , and the first curved surface 21 and the second curved surface 22 are separated by a first boundary line 30 .

[0052] Please refer to Figure 1B , is a side view of the first embodiment of the present invention. Such as Figure 1B As shown, for the convenience of explanation, Figure 1B The light-emitting unit 10 and the lens module 20 are in a separate state, but they can be combined with each other depending on the needs of use. The light...

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Abstract

The invention discloses an illuminating device which comprises a luminescence unit that is used for generating light rays and has a light emitting axis, and a lens module that has a light emitting surface with a plurality of curved faces. The lens module receives the light rays and emits light rays from each curved face, and each curved face is provided with at least two curvatures used for adjusting light irradiation range formed with the light rays emitted from each curved face.

Description

technical field [0001] The present invention relates to an illuminating device, especially an asymmetrical illuminating device. Background technique [0002] The main purpose of road lighting is to promote and ensure traffic safety at night. For driving, it is to assist the driver to see the direction of travel, so that safety measures can be taken within an appropriate distance. This safety distance is the same as that of road lighting, Vehicle speed, road conditions, vehicle performance and driver's responsiveness are all closely related, but from the standpoint of lighting design, road lighting and vehicle speed are the most important to driving safety. [0003] Glare is one of the factors that affect the quality of road lighting. The definition of glare is that the light in the human eye field causes visual discomfort or causes vision loss. The peak light intensity of traditional street lighting devices is distributed at about 60 degrees from the vertical direction, whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V5/04F21W131/103
Inventor 张学智胡鸿烈黄胜邦陈秋伶陈振坤
Owner IND TECH RES INST