Sumitomo and Samsung to Establish JV for LED Sapphire Substrates

Sumitomo Chemical says it has entered into an agreement with Samsung LED Co. (Suwon, Korea) to establish a joint venture in Korea for research & development, manufacture, and sale of sapphire substrates for light-emitting diodes (LED). The jv aims to become a comprehensive provider of LED-related materials in the future. LEDs are manufactured by slicing sapphire ingots into thin sheets that are processed into sapphire substrates, which are then coated with a luminescent layer. LEDs are being used in a wide range of fields. Further market growth is expected...

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