Vapor deposition mask
AssigneeJapan Display Inc.
InventorsNoriyoshi Kanda, Takeshi Ookawara, Mitsugu Tamekawa
Life of this patent
Estimating the term…
Abstract
A vapor deposition mask includes a frame and a metal film supported by the frame, wherein the metal film includes a mask region arranged with a plurality of pixel opening parts corresponding to a display region of a display device, and an alignment region arranged in a periphery of the mask region, the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part, and a maximum width of the second opening part is smaller than a maximum width of the first opening part.
Claims14
A vapor deposition mask comprising:
- a frame;
- and
- a metal film supported by the frame,
- wherein
- the metal film includes a mask region corresponding to a display region of a display device and the mask region is arranged with a plurality of pixel opening parts, and an alignment region arranged in a periphery of the mask region,
- the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part,
- a maximum width of the second opening part is smaller than a maximum width of the first opening part,
- a plurality of third opening parts arranged further to the outer side than the plurality of second opening parts with respect to the first opening part, and
- the plurality of second opening parts and the plurality of third opening parts are alternately arranged in a clockwise or counterclockwise direction along an outline of the first opening part.
A vapor deposition mask comprising:
- a frame;
- and
- a metal film supported by the frame,
- wherein
- the metal film includes a mask region corresponding to a display region of a display device and the mask region is arranged with a plurality of pixel opening parts, and an alignment region arranged in a periphery of the mask region,
- the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part,
- a maximum width of the second opening part is smaller than a maximum width of the first opening part, and
- the plurality of second opening parts is arranged in a position separated by a larger distance than the maximum width of the first opening part from an edge of the first opening part.
Dependencies are inferred from the claim text.