Global Patent Index - EP 1492150 A1

EP 1492150 A1 2004-12-29 - IMAGE DISPLAY APPARATUS AND ITS MANUFACTURING METHOD

Title (en)

IMAGE DISPLAY APPARATUS AND ITS MANUFACTURING METHOD

Title (de)

BILDANZEIGEVORRICHTUNG UND VERFAHREN ZU IHRER HERSTELLUNG

Title (fr)

APPAREIL D'AFFICHAGE D'IMAGES ET PROCEDE DE FABRICATION

Publication

EP 1492150 A1 (EN)

Application

EP 03712989 A

Priority

  • JP 0304109 W
  • JP 2002101575 A

Abstract (en)

The display device has spacers (30a,30b) formed between opposing upper substrate (10) provided with image display surface, and lower substrate (12) provided with electron source (18) for exciting the image display surface. A conductive material (33) is placed between the spacers and lower substrate for repelling electron beams discharged from electron source. An independent claim is also included for image display device manufacturing method.

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

H01J 31/12; H01J 9/24; H01J 29/87

IPC 8 full level (invention and additional information)

H01J 9/18 (2006.01); H01J 9/24 (2006.01); H01J 29/02 (2006.01); H01J 29/87 (2006.01); H01J 31/12 (2006.01)

CPC (invention and additional information)

H01J 29/028 (2013.01); H01J 9/185 (2013.01); H01J 31/127 (2013.01); H01J 2329/8625 (2013.01); H01J 2329/863 (2013.01); H01J 2329/8655 (2013.01); H01J 2329/866 (2013.01)

Citation (search report)

See references of WO 03088300A1

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

EP 1492150 A1 20041229; CN 1647232 A 20050727; JP 2003297265 A 20031017; KR 20040095351 A 20041112; TW 200400530 A 20040101; WO 03088300 A1 20031023

INPADOC legal status


2008-04-09 [18W] APPLICATION WITHDRAWN

- Effective date: 20080226

2004-12-29 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20041007

2004-12-29 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT NL