Display device

Illumination – Illuminated scale or dial – Edge illuminated modifier or light rod/pipe

Reexamination Certificate

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Details

C362S555000, C362S800000, C385S033000, C385S116000

Reexamination Certificate

active

07128431

ABSTRACT:
The invention relates to a display device, especially in a motor vehicle, comprising a display (2) which can be illuminated by a light source (1), and a light guide (7) which is arranged between the light source (1) and the display (2). Said light source (1) comprises a plurality of individual light sources (10), the entire light-radiating surface of said light sources being larger than the surface of the display (2). In order to increase the light efficiency, the light guide (7) comprises, on the light source side, individual light guiding sections (12) which are associated with the individual light sources (10), said sections forming a common light guiding section (13) on the display side.

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patent: 4932747 (1990-06-01), Russell et al.
patent: 4945230 (1990-07-01), Saaski et al.
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patent: 5657163 (1997-08-01), Wu et al.
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patent: 6527411 (2003-03-01), Sayers
patent: 6543925 (2003-04-01), Kuykendal et al.
patent: 2005/0169323 (2005-08-01), Spariosu
patent: 3425761 (1985-02-01), None
patent: 0 271 956 (1988-06-01), None
patent: WO 95/20811 (1995-08-01), None

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