EP 1776613 A1 20070425 - IMAGE WALL HAVING A REDUCED SPECKLE EFFECT
Title (en)
IMAGE WALL HAVING A REDUCED SPECKLE EFFECT
Title (de)
BILDWAND MIT REDUZIERTEM SPECKLE-EFFEKT
Title (fr)
ECRAN DE PROJECTION A CHATOIEMENT REDUIT
Publication
Application
Priority
- EP 2005008566 W 20050808
- DE 102004038969 A 20040810
Abstract (en)
[origin: WO2006018170A1] The invention relates to an image wall for projection using narrow-band light sources, especially laser projection. Said image wall comprises a polycrystalline layer that is provided with a surface structure which allows speckle effects to be reduced. Also disclosed are image walls representing a molding of a polycrystalline layer, said molding reproducing the surface structure of the polycrystalline layer.
IPC 8 full level
G03B 21/60 (2006.01); G02B 1/02 (2006.01); G02B 27/48 (2006.01)
CPC (source: EP)
G03B 21/60 (2013.01)
Citation (search report)
See references of WO 2006018170A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102004038969 A1 20060302; EP 1776613 A1 20070425; WO 2006018170 A1 20060223
DOCDB simple family (application)
DE 102004038969 A 20040810; EP 05781451 A 20050808; EP 2005008566 W 20050808