Optical film assembly for a display device

A liquid crystal display device comprising:

• a first member having a first surface and a second surface;
• a second member having a third surface and a fourth surface;
• a liquid crystal layer positioned between the first member and the second member, wherein the liquid crystal layer generates a phase delay for light passing therethrough;
• a voltage application structure for applying a voltage to the liquid crystal layer, wherein the phase delay generated by the liquid crystal layer is varied between (λ/2+α) and α, wherein α has a non-zero value, according to the voltage that is applied;
• and
• a compensation film coupled to at least one of the first member and the second member, wherein the compensation film generates a compensation phase delay of −α, wherein the device operates in a normally black mode, and wherein the phase delay generated by the liquid crystal layer is α for a black image when no voltage is applied and is (λ/2+α) for a white image when the voltage is applied.

A liquid crystal display device comprising:

• a first member having a first surface and a second surface;
• a second member having a third surface and a fourth surface;
• a liquid crystal layer positioned between the first member and the second member, wherein the liquid crystal layer generates a phase delay for light passing therethrough;
• a voltage application structure for applying a voltage to the liquid crystal layer, wherein the phase delay generated by the liquid crystal layer is varied between (λ/2+α) and α, wherein α has a non-zero value, according to the voltage that is applied;
• and
• a compensation film coupled to at least one of the first member and the second member, wherein the compensation film generates a compensation phase delay of −α, wherein the phase delay changes by about 10 nm to about 30 nm in response to a change in the voltage by about 0.1 V.