Electrophoretic display panel

Details Electrophoretic display panel Electrophoretic display panel

2006-09-19

2006-09-19

Nguyen, Jimmy H. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C359S296000, C349S086000

Reexamination Certificate

active

07109969

ABSTRACT:
The electrophoretic display panel (1) for displaying a picture, has a first and a second opposed substrate (8,9), an electrophoretic medium (5) between the substrates (8,9), a plurality of pixels (2), a first and a second electrode (3,4) associated with each pixel (2), drive means (100) and a temperature probe (11). The electrophoretic medium (5) has charged particles (6) in a fluid. The first and the second electrode (3,4) are able to receive a potential difference having a duration and a level. The drive means (100) are able to control the potential differences for displaying the picture, and the temperature probe (11) is able to measure a temperature indicative for the medium temperature. For the display panel (1) to be able to have pixels (2) with substantially reproducible appearances requiring relatively little energy independent of the ambient temperature, the drive means (100) are able to receive the measured temperature from the temperature probe (11) and to control the potential differences in dependence of the measured temperature.

REFERENCES:
patent: 6326944 (2001-12-01), MacLean et al.
patent: 6426737 (2002-07-01), MacLean et al.

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