Optical alignment composition, alignment layer formed using the

Optical alignment polymer, alignment layer formed using the same

Optical compensatory sheet

Optical compensatory sheet

Optical compensatory sheet and liquid crystal display

Optical element

Optical filter and the method of preparing the same

Optical recording medium

Optical recording medium comprising a homeotropically oriented l

Optical temperature indicator

Organic polysilane composition, colored material, method of manu

Organic-inorganic composite particles and production process the

Organosilicon polymers, and dyes, exhibiting nonlinear optical r

Orientation of ordered liquids and their use in devices