Global Patent Index - EP 1256022 A2

EP 1256022 A2 20021113 - 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 20021113 (EN)

Application

EP 00990319 A 20001222

Priority

  • US 0035102 W 20001222
  • US 49663400 A 20000202

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

G02B 1/11

IPC 8 full level

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

CPC (source: EP KR US)

G02B 1/116 (2013.01 - EP US); G02F 1/13338 (2013.01 - KR); G06F 3/045 (2013.01 - EP KR US); B32B 2457/208 (2013.01 - KR); G06F 2203/04103 (2013.01 - KR)

Citation (search report)

See references of WO 0157579A2

Citation (examination)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

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

DOCDB simple family (application)

US 0035102 W 20001222; AU 2736301 A 20001222; CN 00818739 A 20001222; EP 00990319 A 20001222; JP 2001556372 A 20001222; KR 20027009935 A 20020801