Title:
【発明の名称】プロジェクター用のレンズユニット
Document Type and Number:
Japanese Patent JP3123947
Kind Code:
B2
Abstract:
A lens unit, for a projector, includes a scrambler which converts light input from a lamp into a uniform light. An image lens unit is arranged on an optical path between the scrambler and a liquid crystal display (LCD) panel for generating an image. The image lens unit allows the light passing through the scrambler to be emitted to the entire surface of the LCD panel. A collimating lens is arranged on the optical path between the image lens and the LCD panel and is provided for converting the light passing through the image lens into a parallel beam. The image lens unit consists of a first image lens of a positive power and a second image lens of a positive power.
Inventors:
Kim Dong Ha
Park Shun Shu
Park Shun Shu
Application Number:
JP21218897A
Publication Date:
January 15, 2001
Filing Date:
August 06, 1997
Export Citation:
Assignee:
Samsung Electronics Co.,Ltd.
International Classes:
G02B9/00; G02F1/13; G03B21/00; G03B21/28; G03B21/53; G03B33/12; H04N5/74; (IPC1-7): G02B9/00
Domestic Patent References:
| JP5303085A | ||||
| JP6271919A |
Attorney, Agent or Firm:
Tadahiko Ito (1 outside)