Global Patent Index - EP 1088215 A1

EP 1088215 A1 20010404 - EFFICIENT COLOR DISPLAY USING NON-ABSORBING COLOR FILTERS

Title (en)

EFFICIENT COLOR DISPLAY USING NON-ABSORBING COLOR FILTERS

Title (de)

EFFIZIENTE FARBANZEIGE MITTELS NICHTABSORBIERENDER FARBFILTER

Title (fr)

AFFICHAGE EFFICACE DES COULEURS AU MOYEN DE FILTRES COULEUR NON ABSORBANTS

Publication

EP 1088215 A1 20010404 (EN)

Application

EP 99916406 A 19990401

Priority

  • US 9907509 W 19990401
  • US 8683198 P 19980526
  • US 13328198 A 19980812

Abstract (en)

[origin: WO9961897A1] A display system having a non-absorbing and reflective color filtering array and a reflector to improve light utilization efficiency. One implementation of the color filtering array uses a surface plasmon filter having two symmetric metaldielectric interfaces coupled with each other to produce a transmission optical wave at a surface plasmon resonance wavelength at one interface from a p-polarized input beam on the other interface. Another implementation of the color filtering array uses a metal-film interference filter having two dielectric layers (320) and three metallic films (310a, b).

IPC 1-7

G01N 21/55

IPC 8 full level

G01N 21/27 (2006.01); G01N 21/55 (2006.01); G01N 21/77 (2006.01); G01N 33/552 (2006.01); G02B 5/04 (2006.01); G02B 5/20 (2006.01); G02B 6/34 (2006.01); G02F 1/01 (2006.01); G02F 1/1335 (2006.01); G02F 1/29 (2006.01); G09G 3/36 (2006.01); H04N 9/31 (2006.01)

CPC (source: EP)

G02B 5/20 (2013.01); G02B 5/201 (2013.01); G02F 1/133514 (2013.01); H04N 9/3108 (2013.01); G02F 1/133521 (2021.01)

Citation (search report)

See references of WO 9961897A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 9961897 A1 19991202; EP 1088215 A1 20010404; JP 2002517012 A 20020611

DOCDB simple family (application)

US 9907509 W 19990401; EP 99916406 A 19990401; JP 2000551245 A 19990401