You can now from unknown and labeled products, which also conceal its origin, it is close to the low-cost market.
Even SEAGEAN created with the RCR-22 (blue display) a product that successfully keeps awake when "fully turning up" the display brightness.
Even when RCR-2, with an orange display everything is hidden, what lights there.
The brightness can be adjusted while or even turn off the display backlight, but the affected light sleepers who wear glasses, it is still impossible for the time "just" read.
Either you are looking for the fummeligen Display button or the glasses - or preferably both.
A radio with the abovementioned properties and discreet, adaptive brightness of the room, legible luminous numerals, there are only the DAB radio ...
Nevertheless, I think the radio for recommended.
After all, not everyone has to its requirements as high as I screws.