METHODS FOR DRIVING BISTABLE ELECTRO-OPTIC DISPLAYS, AND APPARATUS FOR USE THEREIN
First Claim
1. A method of driving a bistable electro-optic display having at least one pixel with two extreme optical states, the method comprising:
- (a) driving the pixel from an initial gray level to one extreme optical state different from the initial gray level; and
(b) driving the pixel from the one extreme optical state to a final gray level different from the one extreme optical state.
1 Assignment
0 Petitions
Accused Products
Abstract
A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an initial gray level to a final gray level; storing data representing at least an initial state of each pixel of the display; receiving an input signal representing a desired final state of at least one pixel of the display; and generating an output signal representing the impulse necessary to convert the initial state of said one pixel to the desired final state thereof, as determined from said look-up table. The invention also provides a method for reducing the remnant voltage of an electro-optic display.
-
Citations
28 Claims
-
1. A method of driving a bistable electro-optic display having at least one pixel with two extreme optical states, the method comprising:
-
(a) driving the pixel from an initial gray level to one extreme optical state different from the initial gray level; and
(b) driving the pixel from the one extreme optical state to a final gray level different from the one extreme optical state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14)
-
-
12. A method according to claim 111 wherein the display is an encapsulated electrophoretic display.
-
15. A bistable electro-optic display having at least one pixel with two extreme optical states, and a display controller for applying electric field to the pixel and thereby changing the optical state thereof from an initial gray level to a final gray level, the display controller being arranged to:
-
(a) drive the pixel from the initial gray level to one extreme optical state different from the initial gray level; and
(b) drive the pixel from the one extreme optical state to a final gray level different from the one extreme optical state. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
Specification