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Lighting apparatus and transmissive element for the same

A technology for lighting devices and components, which is applied to lighting devices, components of lighting devices, optical components, etc., and can solve problems such as the lens is not optimal

Active Publication Date: 2017-08-29
OY MTG MELTRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a scheme is relatively easy to develop and manufacture, while still functioning relatively well for light transmission, rough refraction, and light source protection purposes, but from the emerging concerns about energy efficiency, light patterns for light illumination setups From the perspective of existing requirements such as controllability, luminaire size, etc., these simple traditional lenses have clearly become suboptimal and new solutions are required

Method used

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  • Lighting apparatus and transmissive element for the same
  • Lighting apparatus and transmissive element for the same
  • Lighting apparatus and transmissive element for the same

Examples

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Embodiment Construction

[0032] The proposed optically transmissive elements such as lenses may generally be substantially planar, eg have a planar / low height cylindrical shape. Furthermore, the transmissive element may be curved or comprise a curved shape. The transmissive element may define a substantially circular surface area on one or two possibly opposite sides thereof. At least the transmissive element may have a circular cross-section. Alternatively, with respect to cross section and / or surface, other shapes may be used, for example angular shapes such as rectangular, triangular, hexagonal or substantially polygonal shapes.

[0033] The segments may define discrete (functionally, structurally and / or visually distinguishable) semicircular regions (or have semicircular protrusions) on the lens surface. Alternatively, a segment may define a quarter circle or an area of ​​other shape having eg a (straight) line and / or a curved boundary with adjacent segments or the surroundings. A segment is ad...

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PUM

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Abstract

A lighting apparatus comprising a single point-like light source (108), preferably a LED, and a transmissive lens structure (202, 302) optically connected to said light source defining a plurality of optically functional, mutually different segments (204, 206, 208, 304, 306, 308) dedicated for controlling the light, e.g. distribution and direction, originally emitted by said single light source. A corresponding transmissive element is presented.

Description

technical field [0001] The present invention generally relates to light illumination and lighting. In particular, but not exclusively, the invention relates to a lighting device comprising a light source and a lens structure. Background technique [0002] Traditionally, lenses for light sources such as light bulbs, LEDs (Light Emitting Diodes) etc. are designed as simple symmetrical elements made of a suitable material such as plastic or glass. figure 1 A typical lens associated with a point light source such as LED 108 is depicted from different angles. The uniformity of the existing lens structure can be easily observed from the isometric view 102 and the top view 104 . With further reference to side view 106, such a flat (as shown) concave or convex lens comprises a uniform surface, or at most may comprise a constant optically functional pattern, such as a grating. Such a scheme is relatively easy to develop and manufacture, while still functioning relatively well for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V5/04F21V5/08G02B19/00G02B5/18G02B27/42
CPCF21V5/002F21V5/048F21V5/08F21Y2115/10G02B3/08G02B5/1819G02B19/0004G02B19/0061G02B27/425
Inventor 卡里·林科
Owner OY MTG MELTRON