A projection illumination system which includes a source light (14) with a projection axis (17) passing generally centrally through this light (14), and a dual-side light-gathering structure, including a reflector (16) and a TiR lens structure (12) generally embracing the source light (14) on opposite sides thereof and along the projection axis (17), with this light-gathering structure being capable of directing, ultimately outwardly from the source light (14) and unidirectionally along the projection axis (17), a major percentage of light generated by the source light (14).

Title
Improved projection illumination system for tricolor projectors
Application Number
PCT/US1997/022131
Publication Number
1998/026211
Application Date
December 10, 1997
Publication Date
June 18, 1998
Inventor
Malik Amjad I
Agent
HEID David W
Assignee
Delta America
IPC
F21V 05/00
F21V 13/04
F21S 08/00
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