Disclosed is a liquid crystal display (LCD) device. The LCD device includes a first substrate and a second substrate facing each other, a liquid crystal layer between the first substrate and the second substrate, an alignment layer on at least one of the first and second substrates for alignment of liquid crystals in the liquid crystal layer, and a sealant in an edge area of each of the first and second substrates to bond the first substrate to the second substrate, the sealant including a diene compound.

Disclosed is a liquid crystal display (LCD) device. The LCD device includes a first substrate and a second substrate facing each other, a liquid crystal layer between the first substrate and the second substrate, an alignment layer on at least one of the first and second substrates for alignment of liquid crystals in the liquid crystal layer, and a sealant in an edge area of each of the first and second substrates to bond the first substrate to the second substrate, the sealant including a diene compound.

An electro-optic device is disclosed that comprises an electrophoretic medium including electrically charged pigment particles, a charge control agent, an organic electroactive compound, and a non-polar liquid. The electrophoretic medium is included in a plurality of microcells. The composition of the electrophoretic medium enables the reduction of remnant voltage of the electro-optic device and the degradation of the electrodes and other components of the device even after operation using DC-imbalance waveform.

An electro-optic ink composition containing at least one compound selected from a compound of formula (1) and a compound of formula (1), and an organic solvent having a boiling point of 120 C. or higher and a dipole moment of less than 3.0 debye.

D.sup.1-X.sup.1-A.sup.1(1)

D.sup.1 represents an electron-donating group. X.sup.1 represents a predetermined divalent conjugated linking group or the like. A.sup.1 represents a group of formula (a1).

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The present disclosure is directed, in general, to electro-optic (EO) devices comprising: a substrate layer; an EO material layer deposited on at least a portion of the substrate layer, where the EO material layer comprises a polymer host material and a non-linear optic chromophore guest material; and an oxygen barrier layer encasing at least a portion of the EO material layer.