US PATENT SUBCLASS 349 / 176
.~.~ Using reflection characteristic


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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

167  DF  WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL {6}
175  DF  .~ Within cholesteric phase {1}
176.~.~ Using reflection characteristic


DEFINITION

Classification: 349/176

Using reflection characteristic:

(under subclass 175) Subject matter wherein the characteristic recited relates to the reflection property of the cholesteric liquid crystal material.

(1) Note. An example is the particular wavelengths for which the cholesteric material is reflective.