十九、显象管的妙处荫罩式彩色显象管目前彩色电视用得最广泛的是三枪三束彩色显象管,简称荫罩管。其整体结构如图61所示。图61 荫罩式彩色显象管的结构1)电子枪红、绿、蓝三支电子枪是独立的,成“品”字形排列,安装在显象管内,能发射三束独立的电子束,分别轰击整齐排列在荧光屏上的各相应的荧光小点,使之发光。电子枪的结构如图62所示。 Nineteen, the beauty of the CRT shadow mask color CRT At present, the most widely used color TV is three guns three-beam color CRT, referred to as the shade tube. The overall structure shown in Figure 61. Fig. 61 Structure of shadow mask type color picture tube 1) Electron gun The three electron guns of red, green and blue are independent and arranged in the shape of “product” and installed in the picture tube to emit three independent electron beams, Respectively bombardment neatly arranged on the fluorescent screen of the corresponding fluorescent dots, so that the light. The structure of the electron gun is shown in Figure 62.