| 摘要 |
A display component includes in each pixel of a block a summing element, such as a capacitor ( 26 ), current source ( 22 ) and current sink ( 32 ), and switches ( 24,34 ) connecting the current source and sink to the summing element ( 32 ). Basis functions are supplied to basis function inputs ( 42, 44 ) to control the switches ( 24,34 ) in accordance with the basis functions. The current source ( 22 ) and sink ( 32 ) of the pixels of the block are modulated in common in accordance with an input data stream. Decoded transform data is accumulated on capacitor ( 26 ), the display output being determined by the accumulated voltage. The individual pixels are thus able to carry out a data decoding operation.
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