Illumination region control device and control method for LED phototherapy device
A technology of irradiation area and control device, which is applied in the field of LED phototherapy equipment irradiation area control device, can solve the problems of increased system complexity and cost, complex column latches, single-chip row and column drivers, and low light output intensity, and achieve simple image processing Ease of operation, image processing is simple and easy, and the effect of simple circuit structure
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[0038]Precise photodynamic therapy for port wine stains: images of port wine stains are captured by the imaging CCD and uploaded to the host computer. Since the color of port wine stains is light red, dark red or purple red, the pixels with the above colors in the image can be set as white highlights, while the pixels of other normal tissues can be set as black, so that Obtain a highlighted image of the lesion area. The highlighted image of the lesion area is projected onto the optical switch array by the micro-projector, so that the optical switch corresponding to the position of the lesion area in the optical switch array is turned on, thereby driving the LED light at the corresponding position of the high-power LED array to light up, forming a precise photodynamic force for port wine stains Healing light source.
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