Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1983-05-17
1985-11-19
Davie, James W.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
313500, 313501, 340719, 340781, 340782, 357 17, 357 41, H01J 744
Patent
active
045544859
ABSTRACT:
A solid-stage image display device is disclosed in which an electron injection region of high impurity density is formed on a surface of a semiconductor substrate of low impurity density, while a phosphor region of electron excitation type is formed on the other surface of the semiconductor substrate. Light is emitted from the phosphor region by the electrons running non-scattered i.e., the running distance of the carriers is shorter than the mean free path thereof within the substrate along the thickness thereof. The amount of electrons required for luminescence and injected into the substrate is controlled and the light-emitting position is selected by a drive control region provided in the semiconductor substrate between the electron injection region and the phosphor region. The drive control region provides a potential barrier against the electrons to the potential distribution in the substrate, wtih the height of the potential barrier being controlled by the voltage applied to the drive control region.
REFERENCES:
patent: 3564135 (1971-02-01), Weimer
patent: 3806759 (1974-03-01), Kabaservice et al.
Morenza et al., Vps Voltage Capabilites of a Diffused JF.E.T., with a vertical channel Arrangement, Apr. 17, 1975, Electronics Letters, vol. 11, No. 8, pp. 172-173.
Davie James W.
Epps Georgia Y.
Matsushita Electric - Industrial Co., Ltd.
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