Photoplate for OLED deposition screen

Details Photoplate for OLED deposition screen Photoplate for OLED deposition screen

2011-07-05

2011-07-05

Huff, Mark F (Department: 1721)

Coating apparatus

Gas or vapor deposition

Having means to expose a portion of a substrate to coating...

C118S721000

Reexamination Certificate

active

07972442

ABSTRACT:
A photoplate for manufacturing a deposition mask that is used to form a matrix of pixel areas used in a display panel. The photoplate comprises a layer of material such as quartz, on which a matrix of pixel etching areas is defined. The pixel etching areas are configured to form pixel areas having a specified separation from each other in a vertical direction. The pixel etching areas on the photoplate include an outer periphery having a generally rectangular shape with elongated corners.

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