EP 1476631 A1 20041117 - DEVICE FOR GUIDING LIGHT
Title (en)
DEVICE FOR GUIDING LIGHT
Title (de)
VORRICHTUNG ZUR LICHTLENKUNG
Title (fr)
DISPOSITIF POUR GUIDER LA LUMIERE
Publication
Application
Priority
- DE 10207564 A 20020222
- EP 0301696 W 20030219
Abstract (en)
[origin: WO03071079A1] The invention relates to a device for guiding light consisting of at least one partially translucent planar material. Said device comprises a planar upper side, which is provided with optically active surface structures for guiding light and/or diffusing light. In addition, an optically switchable coating is provided at least in partial areas of the surface structures or the inventive device comprises at least two indirectly or directly opposite surface upper sides, of which one has optically active surface structures for guiding light and/or diffusing light, and the other provides an optically switchable coating that covers at least portions of the surface upper side.
IPC 1-7
IPC 8 full level
E06B 9/24 (2006.01)
CPC (source: EP US)
E06B 9/24 (2013.01 - EP US); E06B 2009/2417 (2013.01 - EP US); E06B 2009/2464 (2013.01 - EP US); F21S 11/00 (2013.01 - US); G02B 5/0205 (2013.01 - US); G02F 1/157 (2013.01 - EP US); G02F 2202/34 (2013.01 - EP US)
Citation (search report)
See references of WO 03071079A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 03071079 A1 20030828; DE 10207564 C1 20031120; EP 1476631 A1 20041117; US 2005254130 A1 20051117
DOCDB simple family (application)
EP 0301696 W 20030219; DE 10207564 A 20020222; EP 03742556 A 20030219; US 50521205 A 20050526