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Lens and LED lamps using the lens

A technology of LED lamps and lenses, which is applied in the field of lighting, can solve the problems of LED light energy loss, and achieve the effect of meeting lighting requirements

Active Publication Date: 2020-02-18
OCEANKING DONGGUAN LIGHTING TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the secondary optical design of LED lighting applications, due to the lighting angle, most of the light emitted by the LED is directly irradiated without reflection, which will inevitably cause a large loss of LED light energy

Method used

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  • Lens and LED lamps using the lens
  • Lens and LED lamps using the lens
  • Lens and LED lamps using the lens

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] see figure 1 and figure 2 , the embodiment of the present invention provides an LED (light emitting diode, light emitting diode) lamp, which can be a roadway lamp in the metallurgy, coal, and petrochemical industries, a port street lamp or a landscape street lamp. The LED lamp includes a light source 20 and a lens 40 corresponding to the light source 20. The lens 40 forms an outgoing light with a large irradiation surface and a uniform illumi...

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Abstract

The invention discloses a lens, which is a floodlight lens and includes a light incident surface, a positioning surface, a first light emergent surface, a light reflecting surface and a second light emergent surface, wherein the light incident surface, the positioning surface, the light reflecting surface, the second light emergent surface and the first light emergent surface are sequentially connected; the positioning surface is perpendicular to an optical axis direction; a part of light injecting into the light incident surface is injected into the first light emergent surface after being refracted, or a part of light injecting into the light incident surface is injected into the light reflecting surface after being refracted and then is injected into the second light emergent surface after being refracted by the light reflecting surface; the light refracted by the second light emergent surface and the first light emergent surface are overlapped with each other and then shot out. The invention also provides an LED lamp provided with the lens.

Description

technical field [0001] The present invention relates to the lighting field, in particular to a lens and an LED (light emitting diode, light emitting diode) lamp using the lens. Background technique [0002] As a semiconductor that can convert electrical energy into light energy, LED is widely used in various lighting fixtures due to its advantages of high efficiency, low energy consumption, and long life. Indispensable lighting appliances, such as roadway lights in metallurgy, coal, and petrochemical industries, street lights in ports and wharves, landscape street lights, etc. Different from traditional light sources such as incandescent lamps and metal halide lamps that emit light in all directions at 360 degrees, lamps that use LEDs as light sources determine the diversity of light emission due to the structure of their chip packaging. Therefore, in specific applications, in order to comply with industry specifications and usage requirements, it is necessary to carry out ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V5/04F21K9/69F21Y115/10
CPCF21V5/04
Inventor 周明杰乃业利
Owner OCEANKING DONGGUAN LIGHTING TECH
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