Science & Tech · Gadgets & EVs · 2 hrs ago
Seoul Biosys develops tiny LED that produces white light without rare earths
Seoul Biosys said it developed a tiny LED that produces white light without rare earths.
The device is designed to make white light without rare-earth materials.
On Oct.
29, Seoul Biosys shares rose 30% to 8,580 won by 9:12 a.m.
Its shares reached the daily upper price limit.
Parent company Seoul Semiconductor also hit its daily limit.
The price limit is the highest amount a share can rise in one trading day.
No details were given about the LED’s uses or what happens next.
Seoul Biosys developed a miniature LED that produces white light without rare earths.
On Oct. 29, Seoul Biosys shares hit the daily upper price limit in early trading.
At 9:12 a.m., its shares were up 30%, or 1,980 won, at 8,580 won.
Parent company Seoul Semiconductor also hit the daily upper price limit that day.
- Who
- Seoul Biosys developed the LED. Its parent company is Seoul Semiconductor.
- What
- Seoul Biosys developed a miniature LED that produces white light without rare earths.
- When
- The development was reported on Oct. 29, 2026.
- Where
- Not stated.
- Why
- Not stated.
This story does not have two clearly opposing sides.
This story does not have a timeline yet.
- Developer
- Seoul Biosys
- Technology
- Miniature LED producing white light without rare earths
- Reported
- Oct. 29, 2026
- Seoul Biosys share price
- 8,580 won at 9:12 a.m., up 1,980 won or 30%
- Parent company
- Seoul Semiconductor