Title:
マイクロプロジェクタ
Document Type and Number:
Japanese Patent JP2010541001
Kind Code:
A
Abstract:
The present invention provides a projection display comprising an illumination system comprising at least one laser source unit and configured and operable for producing one or more light beams; a spatial light modulating (SLM) system accommodated at output of the illumination system and comprising one or more SLM units for modulating light incident thereon in accordance with image data; and a light projection optics for imaging modulated light onto a projection surface. The illumination system comprises at least one beam shaping unit comprising a Dual Micro-lens Array (DMLA) arrangement formed by front and rear micro-lens arrays (MLA) located in front and rear parallel planes spaced-apart along an optical path of light propagating towards the SLM unit, the DMLA arrangement being configured such that each lenslet of the DMLA directs light incident thereon onto the entire active surface of the SLM unit, each lenslet having a geometrical aspect ratio corresponding to an aspect ratio of said active surface of the SLM unit.
Inventors:
Nizani, Zvi
Aroni, Mail
Yalov, Simon
Ratum, maggot
Land, Jacob
Aroni, Mail
Yalov, Simon
Ratum, maggot
Land, Jacob
Application Number:
JP2010526424A
Publication Date:
December 24, 2010
Filing Date:
September 25, 2008
Export Citation:
Assignee:
EXPLAY LTD.
International Classes:
G03B21/00; G02F1/13; G02F1/13357
Attorney, Agent or Firm:
Mieko Kashihara
Goichi Takahashi
Masahito Shibata
Goichi Takahashi
Masahito Shibata