Three-color light-emitting diode (LED) direct backlight control method for three-dimensional (3D) display
A backlight control and direct-lit technology, applied in the field of 3D display, can solve the problems of poor uniformity of white field brightness, thin backlight source, and high cost, and achieve strong image stereoscopic effect, real and more obvious visual effect
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[0015] Please refer to figure 1 , according to a kind of three-color LED direct type backlight control method for 3D display of the present invention, it is carried out according to the following steps:
[0016] Step 1: Turn on the power and drive the white LED to light up according to the brightness of the reset value.
[0017] Step 2: the control device FPGA of the control unit reads the video signal of the video decoding board, that is, the video signal of the video signal processing unit, and if it is found to be a 3D video signal, the 3D backlight algorithm is turned on (step 3-5).
[0018] Step 3: The control device FPGA detects the video signal data, and compares the separation degree of the left and right eye images to determine the depth of field range. The high separation degree is the foreground, detects the color of each pixel in the foreground image, and drives the three-color LED backlight in the corresponding area to display the corresponding Color, improve the...
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