Light emitting screen structure and image forming apparatus

Details Light emitting screen structure and image forming apparatus Light emitting screen structure and image forming apparatus

2005-11-14

2008-07-15

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

Cathode ray tube

Screen

C313S496000

Reexamination Certificate

active

07400082

ABSTRACT:
In a flat type image forming apparatus formed by electron emitting devices, the invention is to provide a light emitting substrate, capable of relaxing influence of an abnormal discharge on the electron emitting devices. On a glass substrate1, a resistor member4extending in X- and Y-direction, and a black member6extending in X- and Y-directions are formed. Phosphors5are positioned in apertures of the black member6, and are covered by metal backs7divided in X- and Y-directions. The metal backs7and the resistor member4are electrically connected through the black member6, and the resistance between the metal backs7is defined by the resistor member4in the Y-direction in which the adjacent metal backs7have a wider gap than in the X-direction.

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