Contrast of projector of recognize trends contrast brief analyse

Below dynamic mode, dynamic contrast often may obtain taller than primitive contrast 3-4 times, achieve even 5000: 1 above. However, notable is, dynamic contrast is not by single painting the face is shown obtain, in two different Guang Tong the circumstance of size issues white setting brightness and black setting brightness to be measured respectively. The contrast that this kind of projector shows actually should compare nominal dynamic contrast a lot of smaller. Become especially when the brightness trends range of the picture is very big (the picture is contained at the same time very dark with very bright part) , dynamic mode closes position through can be in. Projector of this moment reflection is comparative and deaf-mute of function still is everybody the primitive contrast with hep place, and what use a technology according to place is different (basically have LCD and DLP at present two kinds of technologies) , primitive contrast also is different, the projector contrast lowest that uses LCD technology commonly is 300: 1, and the projector that uses DLP technology criterion lowest is 2000: 1.

The field uses in current business affairs, projector often uses the environment that Yu Gaoliang spends, and demonstrate text content is main by black and white contrast bigger text and chart are formed, image spans the darkest to the brightest, brightness is moved too limits is very big, that is to say usually dynamic mode is to be in a kind to close position, this moment removes the primitive still contrast of real action. So, user of business affairs domain is in projector of choose and buy when, primitive contrast is the standard of a special weight. Tall primitive contrast can be mixed in black and white contrast, definition the respect such as integrality has very good show. Although dynamic contrast can promote the detail of dark setting picture show, but the characteristic that uses a field considering business affairs, this parameter so the action of brandish is very finite, do not have too big improvement to the readability of the picture.

Of course, in recreational domain, use at broadcasting the film to wait for video file commonly, won't be in below most circumstance the image with black and white very old contrast appears in same picture, the provides dark setting picture detail with dynamic OK and very good contrast is behaved, accordingly, domestic entertainment user is in projector of choose and buy when can pay close attention to this parameter, but also do not want too care about this, if primitive contrast itself is taller, also can remedy the problem of this respect very well.