Four-way dual scanning electronic display board capable of scan control

A four-way dual scanning electronic display board enabling scanning control, comprising:

• an image signal source configured to provide an image signal to an LED electronic display board module;
• a main control unit (MCU) configured to switch, by dual scanning, an image in which an image data value with a gamma value determined on a histogram by an image processing DICT unit including a gray scale processor (GSP) has been gray-scaled by the GSP to equalize the image through gamma correction of the image and the histogram of the brightness of the image, so that image data with no noise can be transmitted even under the control of image transmission for high-speed processing;
• a server control unit (SCU) configured to control a signal designated by an integration time setting unit (ITS) to be switched to image data as image display data in response to the image data applied thereto after switching, by dual scanning, the image in which the image data value with the gamma value determined on the histogram by the image processing DICT unit of the MCU has been gray-scaled by the GSP and control the switched image data to be scanned onto pixel dots in a multi four-way format to display the image on the LED electronic display board module so as to allow a high-definition image to be displayed on the electronic display board;
• and
• the LED electronic display board module configured to form a screen in which unit pixels are formed in a matrix form by arranging any one of a red LED, a blue LED and a green LED in pairs in a diagonal direction and arranging the remaining two of the red LED, the blue LED and the green LED in two different diagonal directions adjacent to the diagonal direction, respectively, in such a manner that the unit pixels are arranged as unit display modules in which a plurality of LEDs are arranged for each of n×m dot (RGB) pixels in the form of a module array, and configured to allow the signal designated by the integration time setting unit (ITS) to be scanned onto pixel dots by the image switching unit in response to the image signal inputted through the image signal source so that image data is displayed thereon in a multi four-way format.