Method for driving electrophoretic display device, electrophoretic display device, and electronic device

1. A method for driving an electrophoretic display device that includes a display unit having a plurality of pixels and an electrophoretic element provided between a pair of substrates, comprising

displaying on the display unit a third image that includes an image component of a first image and an image component of a second image before changing the first image displayed on the display unit to the second image,

wherein the third image includes at least a first image component formed by reversing the first image and a second image component of the second image or a third image component of the first image and a fourth image component formed by reversing the second image,

deleting the first image immediately before or after the displaying the third image, and deleting at least a part of an outline of the first image after the deleting the first image.

2. The method according to claim 1 ,

wherein during the displaying the third image at least a part of the third image is displayed in an intermediate gradation.

3. The method according to claim 1 ,

wherein the third image includes at least either the first image component by changing the gradation of the first image or the fourth image component by changing the gradation of the second image.

4. The method according to claim 1 ,

wherein during the displaying the third image, subtracted image data is used, the subtracted image data being obtained by arithmetic processing performed using image data corresponding to the second image or image data corresponding to an image formed by reversing the second image by changing the gradation of the second image and image data corresponding to the first image or image data corresponding to an image formed by reversing the first image by changing the gradation of the first image.

5. The method according to claim 1 ,

wherein during the deleting the first image, subtracted image data is used, the subtracted image data being obtained by arithmetic processing performed using image data corresponding to the second image or image data corresponding to an image formed by reversing the second image by changing the gradation of the second image and image data corresponding to the first image or image data corresponding to an image formed by reversing the first image by changing the gradation of the first image.

6. The method according to claim 1 ,

wherein during the deleting the first image, image data that is obtained by subtracting image data on the outline of the first image from image data on the second image is used.

7. An electrophoretic display device comprising:

a display unit that includes a plurality of pixels and an electrophoretic element provided between a pair of substrates; and

a control section that controls the pixels,

wherein the control section performs a combined image display operation to cause the display unit to display a third image that includes an image component of a first image and an image component of a second image before the first image that is displayed on the display unit is changed to the second image, and

wherein the third image includes at least a first image component formed by reversing the first image and a second image component of the second image or a third image component of the first image and a fourth image component formed by reversing the second image,

wherein the control section performs an image deleting operation to delete the first image immediately before or after the combined image display operation, and

wherein the control section performs an outline deleting operation to delete at least part of an outline of the first image after the image deleting operation.

8. The electrophoretic display device according to claim 7 ,

wherein the control section causes the display unit to display at least a part of the third image in an intermediate gradation during the combined image display operation.

9. The electrophoretic display device according to claim 7 ,

wherein the third image includes at least either the first image component by changing the gradation of the first image or the fourth image component by changing the gradation of the second image.

10. The electrophoretic display device according to claim 7 ,

wherein image data used in the combined image display operation is subtracted image data obtained by arithmetic processing performed using image data corresponding to the second image or image data corresponding to an image formed by reversing the second image by changing the gradation of the second image and image data corresponding to the first image or image data corresponding to an image formed by reversing the first image by changing the gradation of the first image.

11. The electrophoretic display device according to claim 7 ,

wherein image data used in the image deleting operation is subtracted image data obtained by arithmetic processing performed using image data corresponding to the second image or image data corresponding to an image formed by reversing the second image by changing the gradation of the second image and image data corresponding to the first image or image data corresponding to an image formed by reversing the first image by changing the gradation of the first image.

12. The electrophoretic display device according to claim 7 ,

wherein image data used in the outline deleting operation is image data obtained by subtracting image data on the outline of the first image from image data on the second image.

13. An electronic device comprising the electrophoretic display according to claim 7 .

14. An electronic device comprising the electrophoretic display device according to claim 8 .

15. An electronic device comprising the electrophoretic display device according to claim 9 .

16. An electronic device comprising the electrophoretic display device according to claim 10 .