QUOTE(puchongite @ May 10 2019, 10:20 AM)
Seems people emphasize so much about contrasts, brightness .....
I have a old Toshiba 40" TV in my room, it is so bloody bright and high contrast, until I have to dim it to a much lower level for the comfort of my eyes.
That has nothing to do with the native contrast of the TV we are casually talking about in this forum , a.k.a the pendulum that swings from the deepest black to the brightest possible part of the screen.
The contrast settings you see from the TV menu is merely expanding the white and black levels , at the cost of blowing out the whites and crushing the black details . It does not make the TV brighter . (or darker)
A TV that is able to produce high level of brightness , does not mean it is always going to stay at the same level of dazzling luminance.
It means the TV is able to better showcase highlights and brighter colors , enabling them to " pop " out of the screen . It shouldn't have caused so much discomfort to your eyes but to give you a sense of realism from the picture.
The small light bulb can emit 3000 cd/m2 of brightness and most TV can only do 300 cd/m2 . If your TV remains uniformly bright most of the time , it is sign of poor backplane management/malfunction.
In most cases , the IPS and VA TV share the same level of maximum brightness .
The reason why IPS TV are so far behind is because it produces crappy black levels , caused by the uneven shape of screen pixel which makes it difficult to cover up LED backlight . The black you saw on LCD TV is not true black , it is a deeper shades of gray.
*But if your room is decently lit , there is no need to dwell between the two because you will not notice the difference of black levels between VA & IPS in a bright room.
The same reason we have been telling people you cannot tell Picture quality on a TV just by going to the store unless they are to let you turn oFF the lights .
As of today (2019) , Contrast rating is still generally considered by professional as the most important factor in determining picture quality of TVs.
This post has been edited by Convael: May 10 2019, 12:33 PM