| 摘要 |
<p>PURPOSE:To lead a part of light incident in a light guide plate into a room mirror and inform a driver of message contents, by installing a letter display part of the same contents of the message, on the top of plural light guide plates of a message indicator lamp to be attached to a rear window. CONSTITUTION:Plural light guide plates 9A-9C, where messages to be communicated to succeeding vehicles are stippled, are set up the housing 1 installed in opposition to a rear window 2, and a lamp 13 to be installed in the lower part is selectively lighted, thus a message display takes place. A brake display is carried out by a lamp 10. At the time of the message display, a part of light incident into these light guide plates 9A-9C is led into a cab room mirror from the upside of these plates 9A-9C. On the top of respective light guide plates 9A-9C, there are provided with message display parts 38-40 of the same contents, whereby a display of the same contents with that of a message indicator lamp is made performable, so that the message contents are informable to a driver.</p> |
