Image display medium and manufacturing method of the same

Details Image display medium and manufacturing method of the same Image display medium and manufacturing method of the same

2006-02-21

2006-02-21

Epps, Georgia (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000

Reexamination Certificate

active

07002729

ABSTRACT:
A back board has a spacing member having elasticity larger than that of a spacing member formed on a display board, and the spacing member of the back board is joined with the spacing member formed on the display board. Cells are formed between the display board and the back board, and black particles and white particles which are moved by an applied electric field are sealed into the cells. Even when there is variance in heights of the spacing members on the display board and the back board, the spacing member on the back board side is elastically deformed so as to absorb the variance. As a result, the spacing member on the display board is brought into close contact with the spacing member on the back board with certainty, so that the particles sealed into the cells can be prevented from moving between the cells.

REFERENCES:
patent: 2003/0227436 (2003-12-01), Ikeda
patent: 2004/0057104 (2004-03-01), Ukigaya
patent: A 2001-33833 (2001-02-01), None

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