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Color filter and method for its manufacture

A color filter and color light technology, applied in the field of color filters, can solve the problems of expensive

Inactive Publication Date: 2013-05-01
AUER LIGHTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, this fabrication method requires multiple maskings and is therefore relatively expensive

Method used

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  • Color filter and method for its manufacture
  • Color filter and method for its manufacture
  • Color filter and method for its manufacture

Examples

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Embodiment Construction

[0062] The principle of the color filter 1 with anti-reflection substrate 2 produced according to the invention is as follows figure 1 shown. Here, the substrate 2 is firstly made antireflective over its entire surface on at least one side, but preferably on both sides, and then after masking the color filter layer system Applied at a location predetermined by the mask.

[0063] exist figure 1 In the example shown, the interference antireflection layer 3 is applied on only one side 22 to the disk-shaped substrate 2 with two sides 21 , 22 as an example. The interference antireflection layer 3 comprises several alternately placed first and second layers 31 , 32 . Here, layer 32 has a higher refractive index than first layer 31 . For the first layer 31, for example, silicon dioxide can be used as the material of the low refractive index layer.

[0064] On this side 22 , the substrate 2 is then provided with a mask which covers the region 7 of this side 22 . Then, an additio...

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Abstract

A stage or showcase lamp has a colour filter (1) that incorporates a full-sized blooming coat (3) under a multi-layered interference filter (4). Also claimed is a commensurate continuous manufacturing process.

Description

technical field [0001] The present invention relates generally to color filters with interference layer systems, and more particularly to color filters for use in stage lighting systems. Background technique [0002] EP0621495 A describes a color simultaneous fade-out or fade-in system for lamps comprising a filter which is continuously adjustable by rotation. The filter has a layer system which is designed as an edge filter and is produced in such a way that the spectral cut off edge varies in the direction of the periphery. [0003] WO 9913267 A and EP 0583048 A describe the principle of an optical filter which can be adjusted by rotation. The layer thickness of the layer of the dichroic filter coating varies continuously along the surface. [0004] The disadvantage here, however, is that the color saturation cannot be adjusted while the color tone can be selected in any desired manner. [0005] US 4,914,556 A describes a floodlight with several dichroic color filters r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/28F21V9/40
CPCF21V9/08G02B5/285F21W2131/406
Inventor A·梅尔腾斯L·佐格
Owner AUER LIGHTING