In a liquid crystal display device which inputs analogue video signals after phase development, the deterioration of display quality due to the irregularities of circuit can be reduced. The activity stream is a mechanism where participants can collaborate on a subject. Disposed inside the receiving sleeve is a spring sleeve comprising at least one spring element, which cooperates with the actuating rod when the latter is brought into a detent position in relation to the input element. Compositions and methods for providing such lenses and compositions are also provided.