Blue color composition for color filter, color filter, and...

Details Blue color composition for color filter, color filter, and... Blue color composition for color filter, color filter, and...

2010-04-23

2011-10-18

Duong, Thoi (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S106000, C349S065000

Reexamination Certificate

active

08040467

ABSTRACT:
The present invention relates to color image display devices having a combination of light shutters, a color filter having color elements of at least three colors of red, green and blue corresponding to the light shutters, and a backlight for transmission illumination, where the backlight has a phosphor layer or a phosphor film, and the phosphor layer or the phosphor film has a compound having at least element M4, element A, element D, element E and element X, where M4is at least one element selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb, and includes at least Eu, A is at least one element selected from bivalent metal elements other than the element M4, D is at least one element selected from tetravalent metal elements, E is at least one element selected from trivalent metal elements, and X is at least one element selected from O, N and F.

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