Patent ID: 8125418

Claim:
A passive-matrix display device, comprising: (a) a substrate having a display area including a two-dimensional array of pixels arranged in rows and columns and located in the display area, a first layer, a second layer, a plurality of independent column electrodes in each column in the first layer, a plurality of row electrodes in the second layer, and a layer of light-emitting materials located between the first and second layers, the column electrodes and row electrodes forming pixels where the column electrodes and row electrodes overlap; (b) a plurality of chiplets, each chiplet associated with one or more independent column electrodes located in the display area, each chiplet electrically connected to and driving a separate subset of the independent column electrodes and electrically connected to and driving a subset of the row electrodes to cause the light-emitting material in each pixel to emit light; (c) wherein each chiplet includes a serial luminance shift register for shifting pixel luminance values corresponding to each independent column electrode from one chiplet to another and a column driver for driving each of the independent column electrodes to which it is connected with the corresponding pixel luminance values; and (d) wherein each chiplet further includes a row driver for driving each corresponding row electrode to which it is connected and a row control shift register for controlling the row drivers.