Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.1593/CHENP/2012 A
(19) INDIA
(22) Date of filing of Application :21/02/2012 (43) Publication Date : 21/06/2013
(54) Title of the invention : LIGHT-EMITTING ELECTRONIC TEXTILE WITH IMPROVED LIGHT DIFFUSION
(51) International classification :G09F21/02
(31) Priority Document No :09169404.2
(32) Priority Date :03/09/2009
(33) Name of priority country :EPO
(86) International Application No
Filing Date
(87) International Publication No : NA
(61) Patent of Addition to Application
:NA
Number
:NA
Filing Date
(62) Divisional to Application Number
Filing Date
:PCT/IB2010/053679
:16/08/2010
:NA
:NA
(71)Name of Applicant :
1)KONINKLIJKE PHILIPS ELECTRONICS N.V.
Address of Applicant :GROENEWOUDSEWEG 1
EINDHOVEN 5621 BA NETHERLANDS
(72)Name of Inventor :
1)UBAGHS Guy Wilhelmus Marie
2)BHATTACHARYA Rabin
(57) Abstract :
A light-emitting electronic textile (2) comprising a flexible component carrier (3) having a plurality of light-sources (4a c)
arranged thereon; a cover textile (5) arranged to allow passage through the cover textile (5) of light emitted by the light-sources
(4a c); and a light-diffusing member (6) arranged between the light-sources (4a c) and the cover textile (5). The light-diffusing
member (6) comprises a layered structure formed by a plurality of light-diffusing layers (12a c; 16a b; 19a c) wherein adjacent
light-diffusing layers in the layered structure are spaced apart at least in portions of the light-diffusing member (6) corresponding
to positions of the light-sources (4a c).
No. of Pages : 16 No. of Claims : 14
The Patent Office Journal 21/06/2013 13853