Patent · US Active

Illumination systems for reflective displays

US10190743B2 · kind B2 · utility

32Cited by

169References

14Claims

0Family size

Assignee

E Ink Holdings Inc. · TW

Inventors

Dirk Hertel · Quincy, US
Richard J. Paolini, Jr. · Framingham, US
Benjamin Harris Paletsky · Morris, US
Stephen J. Telfer · Arlington, US
Sunil Krishna Sainis · Malden, US
David P. Biss · Watertown, US
Stephen D. Fantone · Lynnfield, US

Key dates

Filing date	Apr 22, 2013
Grant date	Jan 29, 2019
Priority date	—
Expiry date	Apr 7, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG03B21/62
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A display device (30) comprises a reflective display (38) arranged to render a first image viewable through a viewing surface and a projection means (31-37) arranged to render a second image viewable in reflection on the viewing surface, the reflective display (38) and the projection means (31-37) being mounted on a common frame.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.