Global Patent Index - EP 1256022 A2

EP 1256022 A2 2002-11-13 - TRIPLE LAYER ANTI-REFLECTIVE COATING FOR A TOUCH SCREEN

Title (en)

TRIPLE LAYER ANTI-REFLECTIVE COATING FOR A TOUCH SCREEN

Title (de)

DREI-SCHICHTEN-ENTSPIEGELUNG FÜR BERÜHRUNGSEMPFINDLICHEN BILDSCHIRM

Title (fr)

REVETEMENT ANTI-REFLET A TROIS COUCHES POUR UN ECRAN TACTILE

Publication

EP 1256022 A2 (EN)

Application

EP 00990319 A

Priority

  • US 0035102 W
  • US 49663400 A

Abstract (en)

[origin: WO0157579A2] A touch screen includes a triple layer anti-reflective coating (ARC). The touch screen can be an analog or a matrix resistive touch screen. The anti-reflective coating includes two high index layers and a low index layer. The exposed high index layer is conductive. The anti-reflective coating can be provided on one or both of a flex layer and a stable layer.

IPC 1-7 (main, further and additional classification)

G02B 1/11

IPC 8 full level (invention and additional information)

G06F 3/041 (2006.01); G02B 1/11 (2006.01); G06F 3/033 (2006.01); G06F 3/045 (2006.01)

CPC (invention and additional information)

G06F 3/045 (2013.01); G02B 1/116 (2013.01)

Citation (search report)

See references of WO 0157579A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0157579 A2 20010809; WO 0157579 A3 20020221; AU 2736301 A 20010814; CN 1196993 C 20050413; CN 1433521 A 20030730; EP 1256022 A2 20021113; JP 2003521772 A 20030715; KR 20020079824 A 20021019

INPADOC legal status


2006-12-20 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20060701

2002-11-13 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020830

2002-11-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-11-13 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI