Diffuser disk for LCD applications, method for the production and use thereof

Details for Australian Patent Application No. 2004269463 (hide)

Owner Evonik Rohm GmbH

Inventors Parusel, Markus; Schmidt, Jann; Groothues, Herbert

Agent Spruson & Ferguson

Pub. Number AU-B-2004269463

PCT Pub. Number WO2005/022245

Priority 103 36 130.8 04.08.03 DE

Filing date 12 May 2004

Wipo publication date 10 March 2005

Acceptance publication date 20 May 2010

International Classifications

G02B 5/02 (2006.01) Optical elements other than lenses - Diffusing elements

G02F 1/1335 (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

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

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/022245 Priority application(s): WO2005/022245

11 June 2009 Alteration of Name

  The name of the applicant has been altered to Evonik Rohm GmbH

20 May 2010 Application Accepted

  Published as AU-B-2004269463

16 September 2010 Standard Patent Sealed

8 December 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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