Title:
スポット照射のための装置
Document Type and Number:
Japanese Patent JP5881221
Kind Code:
B2
Abstract:
There is provided an arrangement for spot illumination (14). The arrangement provides an improved collimation and color mixing unit comprising a LED array (1), a convex shaped reflector (15a), a field lens (21) and an additional cylindrical reflector (15b) at the exit aperture of the system. In combination with an optical projection system which may comprise at least two additional zoom lenses and a gate (in which several maskers, gobos or shutters could be inserted) the system allows color mixing in an extended operational range including out of focus zoom settings often used to get soft edge spots.
Inventors:
Kurt Ralph
Tuker Tunis Willem
Sipkes Marc Edoard Johann
Tuker Tunis Willem
Sipkes Marc Edoard Johann
Application Number:
JP2013527716A
Publication Date:
March 09, 2016
Filing Date:
September 05, 2011
Export Citation:
Assignee:
KONINKLIJKE PHILIPS N.V.
International Classes:
F21S2/00; G02B19/00
Domestic Patent References:
| JP2002540576A | ||||
| JP6068208U | ||||
| JP2007123160A | ||||
| JP3064406U |
Foreign References:
| US20080030974 |
Attorney, Agent or Firm:
Sakiko Shibata
Susumu Tsugaru
Fueda Shusen
Hirokazu Komatsu
Susumu Tsugaru
Fueda Shusen
Hirokazu Komatsu