将ＢａＹＦ５：Ｙｂ，Ｅｒ上转换材料与聚乙烯共混制成一种透光性好、不会脱落、使用和携带方便的高效红外变可见上转换材料薄膜。已用于钕激光器和０．９μｍ半导体激光器的显示。 The BaYF5: Yb, Er upconversion material is blended with polyethylene to form a high-efficiency infrared variable visible upconverting material film with good light transmission, no falling off, easy to use and carry. Has been used for neodymium laser and 0.9μm semiconductor laser display.