Patent ID: 11930690
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  B  C | IPC B  C  H

Claim 0:
1. A mask plate, comprising:
a rectangular area; and
two gripper areas which are respectively disposed on two opposite short sides of the rectangular area, wherein each of the two gripper areas has a first side and a third side which are arranged opposite to each other, and a second side and a fourth side which are arranged opposite to each other, and the first side is one of the two opposite short sides of the rectangular area, each of the second side and the fourth side is not on a same line with any of two long sides of the rectangular area, and a minimum horizontal spacing between the second side and the fourth side is less than a side length of the first side, wherein:
each of the two gripper areas comprises at least two sub-gripper areas arranged at intervals, each of two outmost sub-gripper areas of the at least two sub-gripper areas is axisymmetric, and each of the two outmost sub-gripper areas comprises two arc segments;
a groove is formed between two adjacent sub-gripper areas;
the second side comprises a first straight line segment and a first arc segment which are connected with each other, and the first arc segment is connected with the rectangular area, and the fourth side comprises a second straight line segment and a second arc segment which are connected with each other, and the second arc segment is connected with the rectangular area; and
the first arc segment is intersected with a long side of the two long sides of the rectangular area and an intersection point is a first vertex; the second arc segment is intersected with another long side of the two long sides of the rectangular area and an intersection point is a second vertex, a connection line between the first vertex and the second vertex is defined as the second straight line segment, and in a direction perpendicular to the second straight line segment, a lowest point of a bottom of the groove is not located on the second straight line segment and is located on a side of the second straight line segment, the second straight line segment is not located in a same line with any of the two opposite short sides of the rectangular area.