The invention provides a display medium including: a pair of substrates
facing one another, at least one of the substrates being transparent;
electrodes provided at opposing surfaces of the pair of substrates; and a
light modulating layer disposed between the pair of substrates, the light
modulating layer containing electrophoretic colored particles, a
dispersion medium for dispersing the electrophoretic colored particles,
and a reflection member having light reflection characteristics different
from those of the electrophoretic colored particles, and the surface of
the electrophoretic colored particles and the surface of the reflection
member satisfying the following formula (1):
180>|.theta.p-.theta.r|.gtoreq.20, in formula (1), .theta.p
representing a contact angle (degrees) between the surface of the
electrophoretic colored particles and water, and .theta.r representing a
contact angle (degrees) between the surface of the reflection member and
water.