| 摘要 |
In the case of a flat panel display having an vacuum envelope in which electron sources are formed in a matrix, it is difficult to control the distance between the front substrate and the rear substrate in and around the effective screen area. Spacers are arranged both in and around the effective display area 6 . Inner spacers 12 are arranged in the effective display area 6 while outer spacers 13 are arranged around the effective display area 6 . The distance between the front substrate 2 and the front substrate 1 in the peripheral area is controlled by the outer spacers 13 . This can solve various problems including the electrification of spacers 12 which may occur if the distance between the front substrate 2 and the front substrate 1 is not uniform.
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