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VACUUM ULTRAVIOLET-EXCITED ULTRAVIOLET PHOSPHOR AND LIGHT-EMITTING DEVICE THAT USES THIS PHOSPHOR

2026-04-04 19:511980下载
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PURPOSE : Provided are a vacuum UV-excited fluorescent substance which generates the UV ray of 312-315 nm when excited by the vacuum UV ray of 200 nm or less and has a higher area/strength ratio compared with the already-known fluorescent substance, and a UV luminescent fluorescent lamp and a plasma display panel containing the fluorescent substance. CONSTITUTION : The vacuum UV-excited fluorescent substance comprises a gadolinium-activated rare earth element aluminum-scandium borate represented by (Y-(1-x) Gd_x) Al_(3-y) Sc_y (BO3)4, wherein 0
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