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light-absorbing layered structure

A layered structure and light-absorbing layer technology, applied in coatings, optics, optical components, etc., can solve problems such as inappropriate, high conductivity, signal line attenuation, etc.

Inactive Publication Date: 2016-08-10
MATERION ADVANCED MATERIALS GERMANY GMBH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to its high electrical conductivity, it has a strong attenuating effect on the signal lines of high-frequency electronic circuits running beneath it, and is therefore not suitable for use in high-frequency technical fields or where fast signal switching is also required in layer systems any occasion

Method used

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Examples

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Embodiment Construction

[0048] figure 1 A schematic diagram is shown of a layer system 1 according to the invention, which consists of two cermet layers S1 , S2 . A first cermet layer S1 is applied to the transparent glass pane 2 and a second cermet layer S2 is applied to S1 .

[0049] The cermet layers S1 and S2 each consist of a mixture of an oxide matrix with a high refractive index and a metal with a lower oxygen affinity embedded therein. The oxide with high refractive index is Nb 2 o 5 or TiO 2 . The metal is silver or copper.

[0050] The cermet layer S1 has very fine metal deposits M1 with a diameter in the range of up to about 5 nm, wherein more than 90% of the metal deposits M1 have a diameter of less than 3 nm.

[0051] The cermet layer S2 has coarser metal precipitates M2 having a diameter in the range of 4 nm to 10 nm, wherein more than 90% of the precipitates have a diameter in the range of 2 nm to 20 nm.

[0052] The layer system 1 is opaque to the observer when viewed in the vi...

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Abstract

A light-absorbing layered structure has a viewer turned front layer (S1) of a matrix containing dielectric metal oxide with embedded particles (M1) of electroconductive material in a primary average concentration, and a viewer turned away rear layer (S2) of a matrix containing embedded metal oxide particles (M2) of electroconductive material in a secondary average concentration which is more than the primary average middle concentration. The metal oxide includes niobium oxide, titanium oxide, molybdenum oxide, tungsten oxide or vanadium oxide.

Description

technical field [0001] The present invention relates to a light-absorbing layered structure that is opaque to an observer, said light-absorbing layered structure comprising: a frontal sublayer facing the observer, said frontal sublayer being embedded with particles of a first average concentration and a back sublayer facing away from the viewer, said back sublayer made of the matrix and a second average concentration of particles embedded therein, so The matrix is ​​made of the metal oxide, the particles are made of the conductive material, and the second average concentration is higher than the first average concentration. Background technique [0002] The light absorbing layer is applied on the glass surface of a cathode ray tube or other high resolution display such as a liquid crystal display. The light-absorbing structure is also called a "black matrix". It reduces ambient light reflections and improves contrast by separating adjacent translucent regions of different ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/22G02B1/02
CPCC23C14/0688G02B5/003G02B5/206G02B5/22G02F1/133512
Inventor 威尔玛·德瓦尔德伯恩德·西斯泽卡阿尔伯特·卡斯特纳扎比内·施奈德-贝茨马丁·施洛特马库斯·舒尔特海斯詹斯·瓦格纳
Owner MATERION ADVANCED MATERIALS GERMANY GMBH
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