Field emission backlight for liquid crystal televisions

Details for Australian Patent Application No. 2004320901 (hide)

Owner Electrovac Fabrikation Elektrotechnischer Spezialartikel GmbH LG.Philips Displays Netherlands B.V.

Inventors Kortekaas, Cornelis; Den Engelsen, Daniel; Tang, Xinhe; Cosman, Edward; Hammel, Ernst

Agent Shelston IP

Pub. Number AU-A-2004320901

Priority 60/476,431 06.06.03 US; 10/754,176 09.01.04 US

Filing date 4 June 2004

Wipo publication date 2 March 2006

International Classifications

G02F 1/13357 (2006.01) Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating

F21V 8/00 (2006.01) Use of light guides, e.g. fibre optic devices, in lighting devices or systems

G02F 1/13 (2006.01) Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating - based on liquid crystals, e.g. single liquid crystal display cells

Event Publications

2 March 2006 Section 223 Application Allowed

  Electrovac Fabrikation Elektrotechnischer Spezialartikel GmbH; LG.Philips Displays Netherlands B.V. The time in which to enter the National Phase has been extended to 10 Jan 2006. Address for service in Australia - Shelston IP Level 21 60 Margaret Street Sydney NSW 2000 2005

2 March 2006 Application Open to Public Inspection

  Published as AU-A-2004320901

2 March 2006 PCT application entered the National Phase

19 April 2007 Assignment before Grant

  LG.Phillips Displays Netherlands B.V.; Electrovac AG The application has been assigned to Electrovac AG

18 October 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

31 July 2008 Corrigenda

  PCT applications that have entered the National Phase - Name Index Under the name Electrovac AG, Application No. 2004320901, under INID(43), correct the date to read 30.03.06

5 March 2009 Corrigenda

  PCT applications that have entered the National Phase - Name Index Under the name Electrovac AG, Application No. 2004320901, under INID(43), correct the date to read 30.03.06

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