Title:
LIGHT PROJECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/1992/016012
Kind Code:
A1
Abstract:
A light projecting device in which a plurality of light emissions can be simply controlled in a single unit. In this device, an electron emitting material (2) is formed on a base (1) via an insulation base (3), and the electron emitting material (2) is coated with a secondary electron emitting layer (14). At the opposed positions to the electron emitting material (2), provided are fluorescent material layers (8-1, 8-2, 8-3), which secondary electron beam (18) emitted from the secondary electron emitting layer (14) strikes respectively.
Inventors:
UEHARA MASAMITSU (JP)
Application Number:
PCT/JP1992/000223
Publication Date:
September 17, 1992
Filing Date:
February 28, 1992
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
H01J29/08; H01J31/15; H01J61/94; H01J63/06; (IPC1-7): H01J1/46; H01J63/06
Foreign References:
| JPS60100360A | 1985-06-04 | |||
| JPS60100361A | 1985-06-04 | |||
| JPS6017851A | 1985-01-29 | |||
| JPS3922214Y1 | ||||
| JPH01239757A | 1989-09-25 |
Other References:
See also references of EP 0527240A4
Attorney, Agent or Firm:
Sato, Kazuo (Room 323 Fuji Bldg. 2-3, Marunouchi 3-chom, Chiyoda-ku Tokyo 100, JP)
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