VARIABLE COLOR DISPLAY METHOD USING RETARDATION FILM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Mar 18, 2014
filing date -
Sep 26, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a method of displaying, in color, information accompanying rotation in a device having a rotating member, comprising disposing a first polarizing film, a printed film, a retardation film, and a second polarizing film approximately perpendicularly to the direction of the rotational axis of the rotation; with the first polarizing film, retardation film, and second polarizing film being the sequence of disposition; and with one or two films selected from among the first polarizing film, the retardation film, and the second polarizing film being caused to rotate in a manner accompanying rotation of the rotating member. The method of the present invention affords inexpensive installation, maintenance, and use; good energy efficiency; and complex color display in a greater number of colors.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully