Seoul Semiconductor Ends Need for Rare Earths in White LEDs – Novumpr

Product Monday: Seoul Semi’s WICOP 3 Raises Many Questions

This article is based on publicly available information, as of 10/30/26. Seoul Semiconductor’s WICOP 3 product release announcement, late last week, raises a fundamental question: how does it make white light without phosphor conversion of a blue LED chip? The company says affiliate Seoul Viosys has begun mass-producing rare-earth-free white microLEDs, reporting 0.015 lumens from […] The post Product Monday: Seoul Semi’s WICOP 3 Raises Many Ques…

Seoul Semiconductor ‘ends need for rare earths in white LEDs’

With WICOP, Seoul Viosys and its parent company Seoul Semiconductor have already developed and mass produced ultraviolet, blue, green, red and infrared LEDs under 100 µm. WICOP 3 now extends that capability to white light without rare earth elements.

Seoul Semiconductor Introduces Rare Earth-Free LEDs with WICOP 3 Technology

Affiliate Seoul Viosys begins mass production of WICOP 3, which emits white light without rare earths from chips as small as 10 micrometers ANSAN, South Korea, Oct. 28, 2026 — For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). […]

Seoul Semiconductor Ends Need for Rare Earths in White LEDs – Novumpr

Affiliate Seoul Viosys begins mass production of WICOP 3, which emits white light without rare earths from chips as small as 10 micrometers ANSAN, South Korea–(BUSINESS WIRE)– For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., […]

Seoul Semiconductor Ends Need for Rare Earths in White LEDs

ANSAN, South Korea--(BUSINESS WIRE)-- #KOSDAQ046890--Seoul Viosys, an optical semiconductor firm, began mass producing WICOP 3, the world's first rare-earth-free micro white LED down to 10 µm.