Electro-phoretic display and fabricating method thereof
In an electro-phoretic display and a fabricating method thereof, the electro-phoretic display is fabricated by the steps: forming a plurality of pixel electrodes arranged in matrix form on a first substrate; disposing a plurality of electro-phoretic displaying units including a plurality of colored charged particles, wherein each pixel electrode is corresponding to at least one of the electro-phoretic displaying units having the colored charged particles with the same color; forming a transparent electrode on a second substrate; and disposing the second substrate on the electro-phoretic displaying units to positioning the transparent electrode between the second substrate and the electro-phoretic displaying units. The electro-phoretic display can select a part of the pixel electrodes for being driven according to the color of the image being displayed, so that the electro-phoretic display may have an improved chromatic performance.
1. An electro-phoretic display, comprising:
a first substrate;
a plurality of pixel electrodes arranged in a matrix form on the first substrate;
a plurality of electro-phoretic displaying units disposed on the pixel electrodes, each electro-phoretic displaying unit comprising a plurality of colored charged particles, wherein each pixel electrode corresponds to at least one of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are red, green or blue charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of black charged particles;
a second substrate disposed above the electro-phoretic displaying units;
a transparent electrode disposed on the second substrate and between the second substrate and the electro-phoretic displaying units; and
a light-shielding layer having a plurality of openings filled with the transparent electrode, wherein each of the openings corresponds to one of the electro-phoretic displaying units.
2. The electro-phoretic display as recited in claim 1 , wherein each electro-phoretic displaying unit is disposed on at least one of the pixel electrodes.
3. The electro-phoretic display as recited in claim 2 , wherein each of the electro-phoretic displaying units is disposed on two corresponding pixel electrodes.
4. The electro-phoretic display as recited in claim 1 , wherein the electro-phoretic displaying units comprise electro-phoretic micro-cups.
5. The electro-phoretic display as recited in claim 1 , further comprising a barrier structure disposed on the first substrate and partitioning a plurality of containing spaces on the first substrate, wherein each electro-phoretic displaying units comprise electro-phoretic microcapsules and each of the electro-phoretic microcapsules is correspondingly disposed in one of the containing spaces.
6. The electro-phoretic display as recited in claim 5 , wherein the barrier structure extends from the first substrate to the second substrate.
7. The electro-phoretic display as recited in claim 6 , wherein the material of the barrier structure comprises light-shielding material.
8. The electro-phoretic display of claim 1 , wherein the first substrate and the second substrate are respectively a glass substrate and a flexible substrate.
9. A fabricating method of an electro-phoretic display comprising the steps of:
forming a plurality of pixel electrodes arranged in a matrix form on a first substrate;
disposing a plurality of electro-phoretic displaying units on the pixel electrodes, wherein each electro-phoretic displaying unit comprises a plurality of colored charged particles, and each pixel electrode corresponds to a least one of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are red, green or blue charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of black charged particles;
forming a transparent electrode on a second substrate;
disposing the second substrate with the transparent electrode on the electro-phoretic displaying units to position the transparent electrode between the second substrate and the electro-phoretic displaying units; and
forming a light-shielding layer having a plurality of openings filled with the transparent electrode, wherein each of the openings corresponds to one of the electro-phoretic displaying units.
10. The method as recited in claim 9 , wherein the step of disposing the electro-phoretic displaying units on the pixel electrodes comprises the step of disposing the electro-phoretic displaying units with the colored charged particles having the same color on each pixel electrode, respectively.
11. The method as recited in claim 9 , wherein the step of disposing the electro-phoretic displaying units on the pixel electrodes comprises the step of disposing each electro-phoretic displaying unit on at least one of the pixel electrodes.
12. The method as recited in claim 9 , further comprising the step of forming a barrier structure disposed on the first substrate to partition a plurality of containing spaces on the first substrate before disposing the electro-phoretic displaying units comprising electro-phoretic microcapsules on the pixel electrodes, wherein each electro-phoretic microcapsule is disposed in corresponding one of the containing spaces.
13. The method as recited in claim 12 , wherein the barrier structure extends from the first substrate to the second substrate.
14. The method as recited in claim 13 , wherein the material of the barrier structure comprises light-shielding material.
15. An electro-phoretic display, comprising:
a first substrate;
a plurality of pixel electrodes arranged in a matrix form on the first substrate;
a plurality of electro-phoretic displaying units disposed on the pixel electrodes, each electro-phoretic displaying unit comprising a plurality of colored charged particles, wherein each pixel electrode corresponds to at least one of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are cyan, yellow or magenta charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of white charged particles;
a second substrate disposed above the electro-phoretic displaying units;
a transparent electrode disposed on the second substrate and between the second substrate and the electro-phoretic displaying units; and
a light-shielding layer having a plurality of openings filled with the transparent electrode, wherein each of the openings corresponds to one of the electro-phoretic displaying units.
16. The electro-phoretic display as recited in claim 15 , wherein each of the electro-phoretic displaying units is disposed on two corresponding pixel electrodes.
17. A fabricating method of an electro-phoretic display comprising the steps of:
forming a plurality of pixel electrodes arranged in a matrix form on a first substrate;
disposing a plurality of electro-phoretic displaying units on the pixel electrodes, wherein each electro-phoretic displaying unit comprises a plurality of colored charged particles, and each pixel electrode corresponds to at least one of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are cyan, yellow or magenta charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of white charged particles;
forming a transparent electrode on a second substrate;
disposing the second substrate with the transparent electrode on the electro-phoretic displaying units to position the transparent electrode between the second substrate and the electro-phoretic displaying units; and
forming a light-shielding layer having a plurality of openings filled with the transparent electrode, wherein each of the openings corresponds to one of the electro-phoretic displaying units.
18. An electro-phoretic display, comprising:
a first substrate;
a plurality of pixel electrodes arranged in a matrix form on the first substrate;
a plurality of electro-phoretic micro-cups disposed on the pixel electrode, each electro-phoretic micro-cup comprising a plurality of colored charged particles, wherein each pixel electrode corresponds to at least one of the electro-phoretic displaying micro-cups having the colored charged particles with the same color, wherein the colored charged particles are red, green of blue charged particles, and wherein each electro-phoretic micro-cup further comprises a plurality of black charged particles;
a second substrate disposed above the micro-cups; and
a transparent electrode disposed on the second substrate and between the second substrate and the electro-phoretic micro-cups.
19. An electro-phoretic display, comprising:
a first substrate;
a plurality of pixel electrodes arranged in matrix form on the first substrate;
a plurality of electro-phoretic displaying units disposed on the pixel electrodes, each electro-phoretic displaying unit comprising a plurality of colored charged particles, wherein each pixel electrode corresponds to at least on of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are red, green or blue charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of black charged particles;
a second substrate disposed above the electro-phoretic displaying units;
a transparent electrode disposed on the second substrate and between the second substrate and the electro-phoretic displaying units; and
a barrier structure disposed on the first substrate and partitioning a plurality of containing spaces on the first substrate, wherein the electro-phoretic displaying units comprise electro-phoretic microcapsules and each of the electro-phoretic microcapsules is correspondingly disposed in one of the containing spaces.
20. An electro-phoretic display, comprising:
a glass substrate;
a plurality of pixel electrodes arranged in a matrix form on the glass substrate;
a plurality of electro-phoretic displaying units disposed on the pixel electrodes, each electro-phoretic displaying unit comprising a plurality of colored charged particles, wherein each pixel electrode corresponds to at least one of the electro-phoretic displaying units having the colored charged particles with the same color, wherein the colored charged particles are red, green or blue charged particles, and wherein each electro-phoretic displaying unit further comprises a plurality of black charged particles;
a flexible substrate disposed above the electro-phoretic displaying units; and
a transparent electrode disposed on the flexible substrate and between the flexible substrate and the electro-phoretic displaying units.