Display panel, electro-optical apparatus and fabricating methods thereof

1. A display panel comprising:

a pair of substrates, wherein the pair of substrates comprises a plurality of pixels, and each pixel at least comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel;

a color filter layer, disposed over one of the pair of substrates, wherein the color filter layer at least comprises a first color filter pattern positioned at the first sub-pixel, a second color filter pattern positioned at the second sub-pixel, a third color filter pattern positioned at the third sub-pixel, and a fourth color filter pattern positioned at the fourth sub-pixel; and

a display medium, disposed between the pair of substrates, wherein the display medium comprises a first thickness (T 1 ) at the first sub-pixel, a second thickness (T 2 ) at the second sub-pixel, a third thickness (T 3 ) at the third sub-pixel, a fourth thickness (T 4 ) at the fourth sub-pixel, wherein T 1 >T 2 >T 3 and T 1 >T 4 >T 3 .

2. The display panel of claim 1 , wherein thickness of the first color filter pattern, the second color filter pattern, the third color filter pattern, and the fourth color filter pattern are respectively t 1 , t 2 , t 3 , and t 4 , wherein t 1 <t 2 <t 3 , and t 1 <t 4 <t 3 .

3. The display panel of claim 1 , further comprising an overcoat layer covering the color filter layer.

4. The display panel of claim 3 , wherein the overcoat layer disposed at the fourth sub-pixel serves as a color filter pattern of the fourth sub-pixel.

5. The display panel of claim 3 , wherein thickness of overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively t 1 ′, t 2 ′, t 3 ′, and t 4 ′, wherein t 1 ′<t 2 ′<t 3 ′, and t 1 ′<t 4 ′<t 3 ′.

6. The display panel of claim 3 , further comprising another overcoat layer, the overcoat layer and the another overcoat layer are disposed on different substrates, wherein thickness of the another overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively h 1 , h 2 , h 3 and h 4 , wherein h 1 <h 2 <h 3 and h 1 <h 4 <h 3 .

7. The display panel of claim 3 , further comprising another overcoat layer, wherein the another overcoat layer and the color filter layer are disposed on the same substrate.

8. The display pane of claim 7 , wherein thickness of the another overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively h 1 , h 2 , h 3 and h 4 , wherein h 1 <h 2 <h 3 and h 1 <h 4 <h 3 .

9. A method of fabricating a display panel, the method comprising:

providing a pair of substrates, wherein the pair of substrates comprises a plurality of pixels, and each pixel at least comprises a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel;

disposing a color filter layer over one of the pair of substrates, wherein the color filter layer at least comprises a first color filter pattern positioned at the first sub-pixel, a second color filter pattern positioned at the second sub-pixel, a third color filter pattern positioned at the third sub-pixel, and a fourth color filter pattern positioned at the fourth sub-pixel; and

disposing a display medium between the pair of substrates, wherein the display medium comprises a first thickness (T 1 ) at the first sub-pixel, a second thickness (T 2 ) at the second sub-pixel, a third thickness (T 3 ) at the third sub-pixel, a fourth thickness (T 4 ) at the fourth sub-pixel, wherein T 1 >T 2 >T 3 and T 1 >T 4 >T 3 .

10. The method of claim 9 , wherein thickness of the first color filter pattern, the second color filter pattern, the third color filter pattern, and the fourth color filter pattern are respectively t 1 , t 2 , t 3 , and t 4 , wherein t 1 <t 2 <t 3 , and t 1 <t 4 <t 3 .

11. The method of claim 9 , further comprising covering the color filter layer with an overcoat layer.

12. The method of claim 11 , wherein the overcoat layer disposed at the fourth sub-pixel serves as a color filter pattern of the fourth sub-pixel.

13. The method of claim 11 , wherein thickness of overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively t 1 ′, t 2 ′, t 3 ′, and t 4 ′, wherein t 1 ′<t 2 ′<t 3 ′, and t 1 ′<t 4 ′<t 3 ′.

14. The method of claim 11 , further comprising forming another overcoat layer, wherein the overcoat layer and the another overcoat layer are disposed on the different substrates, wherein thickness of the another overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively h 1 , h 2 , h 3 and h 4 , wherein h 1 <h 2 <h 3 and h 1 <h 4 <h 3 .

15. The method of claim 11 , further comprising forming another overcoat layer, wherein the another overcoat layer and the color filter layer are disposed on the same substrate.

16. The method of claim 15 , wherein thicknesses of the another overcoat layer at the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are respectively h 1 , h 2 , h 3 and h 4 , wherein h 1 <h 2 <h 3 and h 1 <h 4 <h 3 .

17. An electro-optical apparatus comprising the display panel according to the display panel of claim 1 .

18. A method of fabricating an electro-optical apparatus according to the method of fabricating the display pane of claim 9 .