Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Woon-Hoi Baek0
Date of Patent
March 12, 2019
0Patent Application Number
160374740
Date Filed
July 17, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A traffic sign board easily identifiable during day and night is provided. The traffic sign board which is easily identified at night includes a flickering operation of a backlight installed inside a frame, and easily identified by a driver during day even on a secluded country road or a deserted road due to flickering of light emitting diode (LED) light projected to a front side through a reflective sheet while the backlight is switched off.
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