Abstract: A method of controlling an electrowetting element. The method includes receiving first data corresponding with a first voltage with a first magnitude, generating the first voltage and applying the first voltage to the electrowetting element. Second data corresponding with a second voltage with a second magnitude is received. It is determined that the first magnitude is smaller than the second magnitude and, responsive thereto, a third magnitude of a third voltage is determined, the third magnitude larger than the first magnitude and smaller than the second magnitude. The third voltage is generated and applied to the electrowetting element instead of the second voltage, consecutively after the first voltage is applied.

Abstract: An electrowetting display device includes a plurality of pixels and a packaged integrated circuit that includes an output pin configured to electrically connect to a display driver, a rendering engine configured to output an initial luminance value for a first pixel in a plurality of pixels, and a memory controller. The memory controller includes a first frame buffer storing a current luminance value for the first pixel, a second frame buffer, and a front-end interface controller configured to encode a next luminance value. The next luminance value is at least partially determined by the initial luminance value for the first pixel. The memory controller includes a back-end interface controller configured to transmit a data signal through the output pin to the display driver to cause the display driver to apply a driving voltage to the first pixel. The driving voltage is at least partially determined by the current luminance value.

Abstract: An electrowetting display device includes a plurality of pixels positioned between a first support plate and a second support plate. A display driver provides addressing signals to the plurality of pixels. The electrowetting display device includes a packaged integrated circuit that includes an input pin configured to electrically connected to a host processor, an output pin electrically connected to the display driver, and an input interface configured to receive image data from a host processor through the input pin. The packaged integrated circuit includes a rendering engine configured to generate a luminance value for a first pixel in the plurality of pixels using the image data, and a memory controller configured transmit a data signal through the output pin to cause the display driver to apply a driving voltage to the first pixel in the plurality of pixels. The driving voltage is at least partially determined by the luminance value.

Abstract: An electrowetting display device includes a plurality of pixels and a packaged integrated circuit that includes an input pin configured to electrically connect to a host processor, an output pin configured to electrically connect to a display driver, a memory controller configured to store luminance values, and an integrated circuit configured to implement a rendering engine. The rendering engine receives a first red value, a first green value, and a first blue value from the input pin, converts the first red value, the first green value, and the first blue value into a first red luminance value, a first green luminance value, a first blue luminance value, and a first white luminance value for a first pixel in a plurality of pixels, and transmits the first red luminance value, the first green luminance value, the first blue luminance value, and the first white luminance value to the memory controller.

Abstract: An electrowetting display device includes a plurality of pixels and a packaged integrated circuit that includes an output pin configured to electrically connect to a display driver, a rendering engine configured to output an initial luminance value for a first pixel in a plurality of pixels, and a memory controller. The memory controller includes a first frame buffer storing a current luminance value for the first pixel, a second frame buffer, and a front-end interface controller configured to encode a next luminance value. The next luminance value is at least partially determined by the initial luminance value for the first pixel. The memory controller includes a back-end interface controller configured to transmit a data signal through the output pin to the display driver to cause the display driver to apply a driving voltage to the first pixel. The driving voltage is at least partially determined by the current luminance value.

Abstract: Subject matter disclosed herein relates to driving schemes that provide for improved data writing to pixels of electrowetting display devices. Subframes are defined within an input frame for providing data to pixels of an electrowetting display. Blocks of rows of pixels are also defined. The blocks are defined based upon driving schemes for the electrowetting display. In an embodiment, the driving schemes include a block driving scheme and an interlaced driving scheme. With a block driving scheme, the rows of pixels are grouped sequentially into blocks, i.e. block 1 includes rows 1-4, block 2 includes rows 5-8, etc. With an interlaced driving scheme, every Nth row is included in a block such that block 1 includes rows 1, 5, . . . , block 2 includes rows 2, 6, . . . , etc. Individual blocks are written to during the subframes thereby allowing for all rows to be handled during the input frame.

Abstract: The subject matter disclosed herein relates to conversion of RGB image data into RGBW image data for display by an image display apparatus. The image display apparatus accesses Red Green Blue (RGB) image data that corresponds to one or more images to be displayed by a Red Green Blue White (RGBW) display of the image display apparatus. The image display apparatus receives one or more inputs. Based upon the one or more external factors, the RGB image data is converted into RGBW image data. Based upon the RGBW image data, the RGBW display displays the one or more images.

Abstract: A method of controlling an electrowetting element. The method includes receiving first data corresponding with a first voltage with a first magnitude, generating the first voltage and applying the first voltage to the electrowetting element. Second data corresponding with a second voltage with a second magnitude is received. It is determined that the first magnitude is smaller than the second magnitude and, responsive thereto, a third magnitude of a third voltage is determined, the third magnitude larger than the first magnitude and smaller than the second magnitude. The third voltage is generated and applied to the electrowetting element instead of the second voltage, consecutively after the first voltage is applied.

Abstract: An electrowetting element includes a first fluid and a second fluid immiscible with the first fluid, as well as a surface, wherein display effects depend on an extent that the first and second fluids adjoin the surface, in dependence on applied voltage. Operation includes receiving data representing a first display effect for display; receiving data representing a subsequent display effect for display after display of the first display effect; comparing data representing the first display effect with data representing said subsequent display effect to determine a difference indicative of a change of the extent the second fluid adjoins the surface between display of the first display effect and display of the subsequent display effect; and depending on said difference, selectively outputting data for driving the electrowetting element to display a different display effect, instead of the subsequent display effect, consecutively after displaying the first display effect.

Abstract: Electrowetting elements of a display device include a support plate, a bottom electrode, electrowetting oil and an electrolyte on the bottom electrode. The electrowetting oil is immiscible with the electrolyte, a top electrode is in electrical contact with the electrolyte, and the bottom electrode, the top electrode and the electrolyte form a portion of a circuit. The electrowetting elements each further include a first thin film transistor (TFT) that is switched on to select each of the electrowetting elements using active matrix addressing, and a second TFT that is switched on to provide a reset pulse to the portion of the circuit. The reset pulse can be used to reduce or eliminate backflow of the electrowetting oil.

Abstract: An electrowetting display device has at least one display element. The method of driving the display device comprises receiving data representing a display effect for display by the element. A driving scheme is selected for the display element in dependence on a characteristic of the data. The driving scheme is selected from at least an analog driving scheme and a pulse width modulation driving scheme.

Abstract: A method of driving an electrowetting display device having at least one display element for displaying a display effect during a display period. The method determines a change in the display effect. Depending on the change, the display may be driven using a first driving scheme or a second driving scheme. The second driving scheme applies a voltage indicative of the display state a different number of times during the display period than the first driving scheme.

Abstract: A method of driving an electrowetting display device having at least one display element for displaying a display effect. The method determines a change in the display effect. Depending on the change the display element may be DC driven or AC driven.

Abstract: A method of driving an electrowetting display device for displaying images. The display device has a plurality of display elements arranged in an active matrix. The matrix has rows and columns. A specific display element is addressed by applying a voltage to the display elements along the column of the specific display element and selecting the row of the specific display element. The method includes determining a first group of rows where the voltages to be applied to the display elements in a predefined column or group of columns are within a first range smaller than a range over which the voltage is controllable; and selecting the rows in the first group consecutively.

Abstract: A method of driving an electrowetting display device having at least one display element for displaying a display effect during a display period. The method determines a change in the display effect. Depending on the change, the display may be driven using a first driving scheme or a second driving scheme. The second driving scheme applies a voltage indicative of the display state a different number of times during the display period than the first driving scheme.

Abstract: A method of driving an electrowetting display device for displaying images. The display device has a plurality of display elements arranged in an active matrix. The matrix has rows and columns. A specific display element is addressed by applying a voltage to the display elements along the column of the specific display element and selecting the row of the specific display element. The method includes determining a first group of rows where the voltages to be applied to the display elements in a predefined column or group of columns are within a first range smaller than a range over which the voltage is controllable; and selecting the rows in the first group consecutively.

Abstract: A method of driving an electrowetting display device having at least one display element for displaying a display effect. The method determines a change in the display effect. Depending on the change the display element may be DC driven or AC driven.

Abstract: An electrowetting display device has at least one display element. The method of driving the display device comprises receiving data representing a display effect for display by the element. A driving scheme is selected for the display element in dependence on a characteristic of the data. The driving scheme is selected from at least an analog driving scheme and a pulse width modulation driving scheme.

Abstract: An electrowetting element includes a first fluid and a second fluid immiscible with the first fluid, as well as a surface, wherein display effects depend on an extent that the first and second fluids adjoin the surface, in dependence on applied voltage. Operation includes receiving data representing a first display effect for display; receiving data representing a subsequent display effect for display after display of the first display effect; comparing data representing the first display effect with data representing said subsequent display effect to determine a difference indicative of a change of the extent the second fluid adjoins the surface between display of the first display effect and display of the subsequent display effect; and depending on said difference, selectively outputting data for driving the electrowetting element to display a different display effect, instead of the subsequent display effect, consecutively after displaying the first display effect.