Title:
LIGHT CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2004273319
Kind Code:
A
Abstract:
To provide a light control device preventing light of a lighting device arranged at the neighboring area of a display device from being incident on a surface of the display device, and protects the image surface from becoming hard to observe by a reflection light when the display device is in a state of use.
The light control device transmits a usage detection signal when detecting that a display part 3 of a vehicular display device 2 arranged on a ceiling 1 of a vehicle is in the position of a display part 3a in a state of use, and restricts the light incident on the image surface of the display part 3 emitted from a vehicular lighting device 6 corresponding with the usage detection signal.
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Inventors:
NAGATA KOICHIRO
Application Number:
JP2003063874A
Publication Date:
September 30, 2004
Filing Date:
March 10, 2003
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F21V1/00; B60Q3/02; G09F21/04; H05B37/02; (IPC1-7): H05B37/02; F21V1/00
Attorney, Agent or Firm:
Hiroaki Tazawa
Konobu Kato
Konobu Kato