Title:
照明システムおよびそれを備えたディスプレイ
Document Type and Number:
Japanese Patent JP4509978
Kind Code:
B2
Abstract:
An illumination system is providing comprising a first waveguide having a plurality of light-directing surfaces on its lower surface. These surfaces direct light through an output surface of the waveguide into at least one angular range while directing substantially no light into a different angular range. Each surface comprises a plurality of portions having different angles of inclination to a normal to the waveguide.
Inventors:
Lissajous Etienne
Masa Jonathan
Masa Jonathan
Application Number:
JP2006189876A
Publication Date:
July 21, 2010
Filing Date:
July 10, 2006
Export Citation:
Assignee:
Sharp Corporation
International Classes:
F21S2/00; F21V8/00; G02F1/13357; F21Y103/00; G02F1/133
Domestic Patent References:
| JP11084111A | ||||
| JP10039302A | ||||
| JP2004273300A | ||||
| JP2004086221A | ||||
| JP10142407A | ||||
| JP2001147329A | ||||
| JP10003813A | ||||
| JP2003035904A | ||||
| JP2003215580A | ||||
| JP2004146268A |
Foreign References:
| WO2004079258A1 |
Attorney, Agent or Firm:
Kenzo Hara International Patent Office