The area or space you have devoted to your HDTV and the viewing position you will use.
Bright room: lots of windows during the day with plenty of sunlight
Medium room: some windows and darker areas during the day with some partial sunlight
Dark room: you have full control over ambient light day or night. Normally very low ambient light to no light at all.
Light output rule of thumb: The smaller the screen the brighter the image
Bright room: lots of windows during the day with plenty of sunlight
Medium room: some windows and darker areas during the day with some partial sunlight
Dark room: you have full control over ambient light day or night. Normally very low ambient light to no light at all.
Light output rule of thumb: The smaller the screen the brighter the image