Driving device for driving display medium, display device, method of driving display medium, and display method
There is provided a driving device for driving a display medium that includes a pair of substrates and plural particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, including an application unit that applies reset voltages for moving the plural particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plural particle groups.
1. A driving device for driving a display medium that includes a pair of substrates and a plurality of particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, comprising:
an application unit that applies reset voltages for moving the plurality of particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plurality of particle groups,
wherein the reset voltages are applied sequentially to each of the plurality of particle groups; and
a plurality of electrodes formed in a same plane on a surface of one of the pair of substrates, and configured to provide at least three different voltages.
2. The driving device for driving a display medium according to claim 1 ,
wherein the application unit applies the reset voltages for moving each of the plurality of particle groups to the one substrate between the substrates according to an image which is being displayed.
3. The driving device for driving a display medium according to claim 2 ,
wherein the application unit applies the reset voltages for moving each of the plurality of particle groups to the one substrate between the substrates in an order opposite to a display order of the plurality of particle groups when the image is displayed.
4. The driving device for driving a display medium according to claim 2 ,
wherein the application unit sequentially applies the reset voltage corresponding to a reverse image of the image which is being displayed to each of the plurality of particle groups and applies the reset voltage for moving all of the plurality of particle groups to the one substrate.
5. The driving device for driving a display medium according to claim 1 ,
wherein the application unit applies the reset voltages to each of the plurality of particle groups in ascending order of an absolute value of the threshold voltage.
6. The driving device for driving a display medium according to claim 1 ,
wherein the application unit applies the reset voltages to each of the plurality of particle groups in descending order of an absolute value of the threshold voltage.
7. The driving device for driving a display medium according to claim 6 ,
wherein the application unit applies the reset voltage to one of the plurality of particle groups for moving the particle group and applies the reset voltage to the particle group different from the one particle group according to the image which is displayed by the reset voltage.
8. The driving device for driving a display medium according to claim 1 ,
wherein the application unit applies a voltage for reciprocating all of the plurality of particle groups between the substrates at least once after the reset voltages are applied.
9. The driving device for driving a display medium according to claim 1 ,
wherein, for at least a portion of a period for which the reset voltage is applied to the one substrate, the application unit applies a voltage with a polarity opposite to that of the reset voltage to the other substrate.
10. The driving device for driving a display medium according to claim 1 ,
wherein the display medium includes a dispersion medium with a color different from those of the plurality of particle groups between the substrates.
11. A display device comprising:
a display medium that includes a pair of substrates and a plurality of particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates; and
the driving device for driving a display medium according to claim 1 .
12. The display device according to claim 11 ,
wherein the application unit applies reset voltages for moving each of the plurality of particle groups to the one substrate between the substrates according to an image which is being displayed.
13. The display device according to claim 12 ,
wherein the application unit applies the reset voltages for moving each of the plurality of particle groups to the one substrate between the substrates in an order opposite to a display order of the plurality of particle groups when the image is displayed.
14. The display device according to claim 12 ,
wherein the application unit sequentially applies the reset voltage corresponding to a reverse image of the image which is being displayed to each of the plurality of particle groups and applies the reset voltage for moving all of the plurality of particle groups to the one substrate.
15. The display device according to claim 11 ,
wherein the application unit applies the reset voltages to each of the plurality of particle groups in ascending order of an absolute value of the threshold voltage.
16. The display device according to claim 11 ,
wherein the application unit applies the reset voltages to the plurality of particle groups in descending order of an absolute value of the threshold voltage.
17. The driving device for driving a display medium according to claim 1 ,
wherein the display medium is divided into cells separated by spacers, each cell including a plurality of electrodes formed in a same plane on a surface of one of the pair of substrates, and
wherein at least two of the plurality of particle groups have a same polarity.
18. A method of driving a display medium that includes a pair of substrates and a plurality of particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, the method comprising:
applying reset voltages for moving the plurality of particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plurality of particle groups;
wherein the reset voltages are applied sequentially to each of the plurality of particle groups; and
forming a plurality of electrodes in a same plane on a surface of one of the pair of substrates, the plurality of electrodes being configured to provide at least three different voltages.
19. The method of driving the display medium according to claim 18 ,
wherein, in the application of the reset voltages, the reset voltages for moving the plurality of particle groups to the one substrate is applied between the substrates according to an image which is being displayed.
20. A display method comprising:
for a display medium that includes a pair of substrates and a plurality of particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, applying reset voltages for moving the plurality of particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plurality of particle groups, the reset voltages are applied sequentially to each of the plurality of particle groups; and
forming a plurality of electrodes in a same plane on a surface of one of the pair of substrates, the plurality of electrodes being configured to provide at least three different voltages.
21. The display method according to claim 20 ,
wherein, in the application of the reset voltages, the reset voltage for moving the plurality of particle groups to the one substrate is applied between the substrates according to an image which is being displayed.