Title: Display device
Application Number: 00804981 Application Date: 2000.12.14
Publication Number: 1343291 Publication Date: 2002.04.03
Approval Pub. Date: 2006.04.19 Granted Pub. Date: 2006.04.19
International Classifi-cation: G02B6/00;F21V8/00;G02F1/133
Applicant(s) Name: Koninklijke Philips Electronics N.V. Address:
Inventor(s) Name: H.J. Cornelissen;M.J.J. Dona;H. Greiner
Attorney & Agent: luan bensheng
Abstract:
    In an illumination (or front light) system (8) based on an optical waveguide (15) for e.g. LCD devices, Moire artefacts due to internal reflections in the optical waveguide are minimized by using microstructures (grooves) (17) which have a curved shape or are pre-arranged at an angle.
Time: 5
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