Mask plate and mask sheet
A mask plate and a mask sheet are provided. The mask plate includes a first mask sheet and a second mask sheet, the first mask sheet includes a first mask area located in a middle region of the first mask sheet and first peripheral areas located on both sides of the first mask area in a first direction, a thickness of the first mask area is less than a thickness of the first peripheral areas to form a first concave portion; the second mask sheet includes a second mask area located in a middle region of the second mask sheet and second peripheral areas located on both sides of the second mask area in a second direction, a thickness of the second mask area is less than a thickness of the second peripheral areas to form a second concave portion.
1. A mask plate, comprising:
a first mask sheet, comprising a first mask area located in a middle region of the first mask sheet and first peripheral areas located on both sides of the first mask area in a first direction, a thickness of the first mask area is less than a thickness of the first peripheral areas to form a first concave portion corresponding to the first mask area, in a plane where the first mask area is located and in a direction perpendicular to the first direction, a size of the first mask area is equal to a size of the first mask sheet; and
a second mask sheet, comprising a second mask area located in a middle region of the second mask sheet and second peripheral areas located on both sides of the second mask area in a second direction, a thickness of the second mask area is less than a thickness of the second peripheral areas to form a second concave portion corresponding to the second mask area, in a plane where the second mask area is located and in a direction perpendicular to the second direction, a size of the second mask area is equal to a size of the second mask sheet,
wherein the first direction intersects the second direction, and a surface of the first mask area facing the first concave portion and a surface of the second mask area facing the second concave portion are attached facing each other.
2. The mask plate according to claim 1 , further comprising:
a frame, wherein the first mask area and the second mask area are located in an opening of the frame, and a portion of the frame extending in the second direction is connected to the first peripheral areas, a portion of the frame extending in the first direction is connected to the second peripheral areas.
3. The mask plate according to claim 1 , wherein a sum of thicknesses of the first mask area and the second mask area is the same as a thickness of the first peripheral areas or the second peripheral areas.
4. The mask plate according to claim 1 , wherein the thickness of the first mask area is the same as the thickness of the second mask area.
5. The mask plate according to claim 1 , wherein the thickness of the first peripheral areas is the same as the thickness of the second peripheral areas.
6. The mask plate according to claim 1 , wherein the first mask sheet comprises a plurality of first strip-like mask sheets extending in the first direction and arranged in the second direction, the second mask sheet comprises a plurality of second strip-like mask sheets extending in the second direction and arranged in the first direction.
7. The mask plate according to claim 1 , wherein a size of the first mask area in the first direction is equal to a size of the second mask area in the first direction, a size of the second mask area in the second direction is equal to a size of the first mask area in the second direction.
8. The mask plate according to claim 1 , wherein, on an opposite side of the first concave portion of the first mask sheet, a surface of the first mask area is flush with a surface of the first peripheral areas; on an opposite of the second concave portion of the second mask sheet, a surface of the second mask area is flush with a surface of the second peripheral areas.
9. The mask plate according to claim 1 , wherein the first direction is perpendicular to the second direction.
10. The mask plate according to claim 1 , wherein one of the first mask sheet and the second mask sheet is an open mask sheet, the other of the first mask sheet and the second sheet is a fine metal mask sheet.
11. The mask plate according to claim 10 , wherein a shape of each opening of the open mask sheet comprises at least one selected from the group consisting of a circle shape, an ellipse shape, a polygon shape and a fan shape.
12. A mask sheet, comprising:
a mask area in a middle region of the mask sheet and peripheral areas on both sides of the mask area in a first direction,
wherein a thickness of the mask area is less than a thickness of the peripheral areas to form a concave portion corresponding to the mask area, in a second direction perpendicular to the first direction, a size of the mask area is equal to a size of the mask sheet, the second direction is parallel to the mask sheet.
13. The mask sheet according to claim 12 , wherein the mask sheet is a fine metal mask sheet or an open mask sheet.
14. The mask sheet according to claim 13 , wherein the mask sheet is the open mask sheet, a shape of each opening of the open mask sheet comprises at least one selected from the group consisting of a circle shape, an ellipse shape, a polygon shape and a fan shape.
15. The mask sheet according to claim 12 , wherein on an opposite side of the concave portion of the mask sheet, a surface of the mask area is flush with a surface of the peripheral areas.
16. The mask plate according to claim 10 , wherein the open mask sheet includes of at least one opening, the fine metal mask sheet includes through holes, and each opening in the open mask corresponds to a plurality of through holes in the fine metal mask.