Whistpool launches COB-specific phosphor YAP4454-H large particle size

With the diversity of packaging products and the different requirements for phosphors, the current mainstream 13 micron phosphors are used in small-area packaging products such as SMD, which have advantages over the efficacy and particle size ratio of phosphors. Lose advantage in COB.

In order to meet the needs of the products, for the COB package, Whistpool launched the brand phosphor YAP4454-H large particle size (16 micron) products. After many customers' package verification, the light efficiency can be improved by 5%~8% compared with the mainstream products in the market. about. The particle distribution is superior to the 13 micron product, and has good fluidity and dispersibility to ensure the consistency of the packaged product and improve the yield of the product.


YAP4454-H spectrum and specific parameters are as follows, the brightness is significantly improved


The particle distribution is shown in the figure below.


According to the different bands of the chip, the related series of products are launched. The catalogue is as follows:

High-efficiency phosphor Phosphor for COB for integrated package (COB)



(This article is contributed by Whistler)

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