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Lens unit and lighting device including the same

A technology of lens unit and lighting device, which is applied to lighting devices, parts of lighting devices, lighting and heating equipment, etc., and can solve the problems of reducing the aesthetics of lighting devices

Active Publication Date: 2017-07-21
LEDVANCE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this lens unit is usually made of transparent materials, users can directly see the devices on the circuit board through the substrate of the lens unit, which greatly reduces the aesthetics of the lighting device

Method used

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  • Lens unit and lighting device including the same
  • Lens unit and lighting device including the same
  • Lens unit and lighting device including the same

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Embodiment Construction

[0027] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustrations specific embodiments in which the invention may be practiced. With respect to the figures, directional terms such as "on", "inner", "first surface", "second surface", etc. are used with reference to the orientation of the figures being described. The directional terms are used for illustration only and not in any limiting sense. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Therefore, the following detailed description should not be taken in a limiting sense, and the invention is defined by the appended claims.

[0028] It should be understood that, unless otherwise specified, features of different exemplary embodiments described herein may be combined with each other.

[0029] figure 1 is a ...

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PUM

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Abstract

The present invention relates to a lens unit (100) for an illumination device (200), the lens unit (100) comprising a substrate (1) and at least one lens (2) arranged on a first surface (A1) of the substrate (1) ), characterized in that at least a part of the first surface (A1) where the lens (2) is not provided is provided with a layer (3) for adjusting the intensity of light emitted or reflected from the substrate (1). In addition, the present invention also relates to an illuminating device comprising the lens unit.

Description

technical field [0001] The present invention relates to a lens unit and an illuminating device including the lens unit. Background technique [0002] With the development of lighting technology, total internal reflection lenses (TIR) ​​are increasingly used in various lighting devices, especially lighting devices using LEDs as light sources. For example, in a common downlight, multiple total internal reflection lenses corresponding to the light source can be integrated on the same substrate, so that it can be installed in the downlight as a complete lens unit, and the lens unit is completely Covers the circuit board that hosts the light source. However, since the lens unit is usually made of transparent materials, the user can directly see the devices on the circuit board through the substrate of the lens unit, which greatly reduces the aesthetics of the lighting device. In addition, when the lighting device is in a non-working state, such as a power failure, the LED-based...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V5/04F21K9/69F21Y115/10
Inventor 张宏伟明玉生张奇辉王明涛
Owner LEDVANCE GMBH
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