大屏幕彩色电视机的屏幕尺寸受到显像管的制约,随着屏幕尺寸的加大,显像管(CRT)的重量、体积、厚度均迅速加大,无法同时满足大屏幕和薄型化、重量轻的要求,因此,市场上能见到的最大尺寸的CRT彩色电视机为96cm(38英寸),在大于102cm(40英寸)的彩色电视机中,背投影式占据了很大的份额,而等离子体电视机由于价格偏高,近期内尚难被一般家庭接受。 Large screen color TV screen size by the CRT constraints, with the screen size increases, the CRT (CRT) weight, size and thickness are rapidly increasing, can not simultaneously meet the large screen and thin, light weight requirements, As a result, the largest CRT color television set available on the market is 96 cm (38 inches) and the rear projection occupies a significant portion of the color television sets greater than 102 cm (40 inches), whereas the Plasma TV Due to the high price, it is hard to be accepted by the average family in the near future.