SCREEN SEEMS TO BE GETTING DARK - Sony BRAVIA KDL-40S2010 40 in. LCD Television

That is a tough one Mrs Julie Gill. Do others see the clouds on the screen. The most likely reason is your eyes or a medical blood pressure issue with you.

Or is is the television failing.

Or it is in the film, new funky cinematography.

Or it is backlight bleed that you may be able to rectify changing settings.

How To Fix a Cloudy LED TV Screen by Changing Your Settings

electropartsonline.com https://www.electropartsonline.com > blog > post > ho...
Sep 13, 2019 - This gives the television screen the appearance of having a white shadow or "cloud" when viewing dark scenes in a dark environment.

https://www.google.com/search?q=getting+dark+clouds+on+my+screen+when+watching+a+film

..

i guess there is some problem with your panel. make sure you show it to the nearest service centre

check the setting of the monitor with the buttons on the monitor you should get some thing which says fatory reset etc. see if it makes a difference.
then also try to disconnect all the cable from the monitor except the power cable you would see a test screen on it , if it still seems dark then its a hardware problem on your monitor and you might need to replace it . coz repairing is usually expensive .

you have screen burn.

if it did fit on the menu I suggest you open it and check the cables and connectors of the screen and move the focus

unplug your lvds cable going into the control pcb reconnect cable into the control pcb.if this does not work replace control pcb first,then also could be a defective panel.

Yes, time to replace the lamp. You can do it yourself.

have you changed contrast

the reflecting mirror is likely loose and falling down inside the light reflecting tube. you should have seen the band getting darker and larger,
the small mirror is in front of the lamp and bends the light,
remove the lamp and look down the tube (light path)