Title:
OPTICAL LENS, PROJECTOR, AND OPTICAL LENS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/047870
Kind Code:
A1
Abstract:
Provided are: an optical lens with which the optical characteristics of input light can be converted; a projector; and an optical lens manufacturing method. The optical lens is characterized by comprising: a curved input surface into which light is input; a curved emitting surface from which the input light from the input surface is emitted; and a filter layer that is positioned between the input surface and the emitting surface and changes the optical characteristics of the input light, the filter layer being substantially planar.
More Like This:
| JP2009242141 | REGENERATING METHOD OF MOLD AND REGENERATED MOLD |
| JPH04232902 | MANUFACTURE OF MICROLENS THAT IS PARTIALLY OR COMPLETELY HOLLOWED |
| JPH07220512 | LENS FOR LUMINAIRE |
Inventors:
MASUDA TOMOHARU (JP)
SAKAI KENSHI (JP)
SAKAI KENSHI (JP)
Application Number:
PCT/JP2017/032143
Publication Date:
March 15, 2018
Filing Date:
September 06, 2017
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
G02B3/00; G02B5/22; G03B21/00; G03B21/14
Foreign References:
| JP2003084364A | 2003-03-19 | |||
| JP2005250440A | 2005-09-15 | |||
| JP2005326478A | 2005-11-24 | |||
| JP2014153418A | 2014-08-25 | |||
| JPH05224155A | 1993-09-03 |
Attorney, Agent or Firm:
WATANABE Kazuaki et al. (JP)
Download PDF: