Abstract
New 3-in. RGB densely packed YAG phosphor screens with a new green phosphor for HDTV projection CRT have been developed. The screens is fabricated using a centrifugal sedimentation method. The 10% screen spot diameter is 0.18 mm and the luminance of green phosphor screen is 7 X 10<SUP>4</SUP> cm/m<SUP>2</SUP> at a cathode current of 0.5 mA and anode voltage of 29 KV. An experimental 48-in. TV set using the densely packed YAG projection CRT has very high resolution and 250 cd/m<SUP>2</SUP> luminance.
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