Title:
発光スクリーン組立体の電子写真的製造方法
Document Type and Number:
Japanese Patent JP4027437
Kind Code:
B2
Abstract:
In accordance with the present invention, a method of electrophotographically manufacturing a luminescent screen assembly on a photoreceptor disposed on an interior surface of a faceplate panel for a color CRT includes the steps of: charging the photoreceptor to establish a substantially uniform electrostatic voltage thereon; positioning the panel on an exposure device having a light source therein; exposing selected areas of the photoreceptor to visible light from the light source to affect the voltage thereon, without affecting the voltage on the unexposed area of the photoreceptor; and depositing a triboelectrically charged, first color-emitting phosphor onto the selected areas of the photoreceptor. The charging, positioning, exposing and depositing steps are repeated for a second and a third triboelectrically charged, color-emitting phosphor. The present method is an improvement over prior methods because after each of the phosphor deposition and panel recharging steps, the light source is offset in the exposure device by an amount determined by the voltage difference between the photoreceptor and the phosphor, or phosphors, previously deposited onto the panel, thereby counteracting the repulsive effect of the previously deposited phosphor and minimizing the misregister of subsequently deposited phosphors.
Inventors:
Peter Michael Litt
Owen Hugh Roberts Jr.
Robert earl claider
Owen Hugh Roberts Jr.
Robert earl claider
Application Number:
JP12176495A
Publication Date:
December 26, 2007
Filing Date:
May 19, 1995
Export Citation:
Assignee:
THOMSON CONSUMER ELECTRONICS,INCORPORATED
International Classes:
H01J9/227; G03G13/22; H01J9/22
Domestic Patent References:
| JP5258668A | ||||
| JP2284331A | ||||
| JP2230631A |
Attorney, Agent or Firm:
Tadahiko Ito