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Title:
LIGHT-TRANSMITTING SUBSTRATE PROVIDED WITH A LIGHT-ABSORBING COATING, LIGHT ABSORBING COATING AS WELL AS METHOD OF PREPARING A LIGHT-ABSORBING COATING.
Document Type and Number:
WIPO Patent Application WO2006030369
Kind Code:
A3
Abstract:
The present invention relates to a light-transmitting substrate (1) which is at least provided with a light-absorbing coating (3). The light-absorbing coating comprises stabilized pigments which are incorporated in a sol-gel matrix. The light absorbing coating comprises silica particles having a size between 5 and 100 nanometers and alumina particles having a size between 5 and 50 nanometers. The total volume concentration of pigments, silica and alumina particles in the light-absorbing coating is between 20 and 65 per cent. The volume concentration of silica particles is between 5 and 40 per cent and the volume concentration of alumina particles between 1 and 15 per cent.

Inventors:
DHENAUT MATTHIEU (FR)
BALKENENDE ABRAHAM (FR)
MERCIER VIRGINIE (FR)
STRAETMANS JEAN-SEBASTIEN (FR)
Application Number:
PCT/IB2005/052974
Publication Date:
August 10, 2006
Filing Date:
September 12, 2005
Export Citation:
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Assignee:
KONINKL PHILIPS ELECTRONICS NV (NL)
DHENAUT MATTHIEU (FR)
BALKENENDE ABRAHAM (FR)
MERCIER VIRGINIE (FR)
STRAETMANS JEAN-SEBASTIEN (FR)
International Classes:
C03C17/23; C03C17/00; H01J5/16; H01J61/40
Foreign References:
EP0617300A11994-09-28
DE10127494A12003-03-06
EP1172342A12002-01-16
US5627426A1997-05-06
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