Android Television Manufacturers Build Highly Efficient Products With constantly evolving technology there are numerous aspects of a Smart TV that have come under focus. One that Android Television Manufacturers have particularly considered prominent is Contrast ratio. In much simpler terms it is the difference between the brightest a TV can be and the darkest. If you put aside the other aspects of an image that enhance its quality like color and quantum dots or otherwise resolution like 4K but mainly contrast makes the difference between a good- and a bad-looking image. YUWA LED TV Suppliers know it quite well that TVs with the best contrast look best to casual viewers and usually get the best reviews.