Imaging unit, optical write unit, optical read unit and image forming apparatus
US7304705B2 · kind B2 · utility
3Cited by
21References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2003 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | Jun 19, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/141
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging unit images light on a light receiving element, and includes an optical path shifting element, and a lens arranged on an input side or an output side of the optical path shifting element. The optical path shifting element includes a liquid crystal layer which is applied with an electrical field in a direction approximately parallel to an in-plane direction. The liquid crystal layer is made of a chiral smectic C phase ferroelectric liquid crystal having a homeotropic alignment. The optical path shifting element shifts an optical path of the light input thereto in an optical path shifting direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.