US PATENT SUBCLASS 349 / FOR 122
.~.~.~.~ For perpendicular alignment (359/77)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
FOR 113  DF  .~ Having particular nonelectrical detail of cell structure enclosing or adjacent liquid crystal material (359/62) {5}
FOR 119  DF  .~.~ Particular nonoptical film or layer (e.g., adhesive layer, barrier layer, etc.) (359/74) {1}
FOR 120  DF  .~.~.~ Alignment layer (359/75) {3}
FOR 122.~.~.~.~ For perpendicular alignment (359/77)

DEFINITION

Classification: 349/FOR.122

For perpendicular alignment:

Foreign Art Collection wherein the layer causes the liquid crystal alignment to be homotropic or substantially perpendicular to its supporting surface (i.e., substrate).