3721849

Information

• Patent Grant
• 3721849

• References
• Source

• Patent Number

  3,721,849

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • H01J31/201 - using a colour-selection electrode
  • H01J29/26 - with superimposed luminescent layers
  • H01J31/208 - using variable penetration depth of the electron beam in the luminescent layer

• US Classifications

  • 313 - Electric lamp and discharge devices