Title:
MAGNETOPHORETIC AND ELECTROMAGNETOPHORETIC DISPLAYS
Document Type and Number:
WIPO Patent Application WO2003081325
Kind Code:
A3
Abstract:
The present invention is directed to a display device which comprises two layers of insulating substrate (12, 13), at least the substrate on the viewing side is transparent, an array of display cells (11) sandwiched between the two layers of substrate, a writing means (16), and optionally an erasing means (15) to magnetically or electrically erase the image. The display cells are filled with a dispersion of magnetic particles (14) which may be charged or non-charged. The display of the invention eliminates the use of the transparent conductor film, such as ITO, on the viewing side. Therefore, the displays of this invention are more cost effective, more flexible and durable and capable of higher image contrast ratio and higher reflectance in the Dmin area.
Inventors:
HO C S
CHUNG JERRY
GENDLER PAUL
LIANG RONG-CHANG
CHUNG JERRY
GENDLER PAUL
LIANG RONG-CHANG
Application Number:
PCT/US2003/008949
Publication Date:
December 04, 2003
Filing Date:
March 20, 2003
Export Citation:
Assignee:
SIPIX IMAGING INC (US)
International Classes:
G02F1/09; (IPC1-7): G02F1/09; G09F9/37; H01F1/42
Foreign References:
| EP0994455A2 | 2000-04-19 | |||
| US4143472A | 1979-03-13 | |||
| US5272238A | 1993-12-21 | |||
| US4002804A | 1977-01-11 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 018, no. 290 (E - 1557) 2 June 1994 (1994-06-02)
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