High efficiency light panel arranged for signage and planar display backlighting using solid state sources

Details for Australian Patent Application No. 2004200258 (hide)

Owner Tang, Z.R.

Inventors Tang, Zhuo Ran

Agent Zhuo Ran Tang

Pub. Number AU-A-2004200258

Priority 2003900817 24.02.03 AU

Filing date 27 January 2004

Wipo publication date 9 September 2004

International Classifications

G09F 009/33 Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements - being semiconductor devices, e.g. diodes

F21V 008/00 Use of light guides, e.g. fibre optic devices, in lighting devices or systems

Event Publications

12 February 2004 Complete Application Filed

  Priority application(s): 2003900817 24.02.03 AU

9 September 2004 Application Open to Public Inspection

  Published as AU-A-2004200258

7 June 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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