Samsung Electronics Co., Ltd.

Yong Hyun Lim

Chang Hyun Lee

Jang Beom Yang

Hee Jae Jo

Se Hoon Lim

Jae Min Jung

Jun Ho Koh

Hae In Chun

Keon Kuk

Yeon Kyoung Jung

Eun Bong Han

Jong Youb Ryu

O Hyun Beak

Headset for measuring brain waves

A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing.

Multi-color ink for 3D printing, 3D printer, and method of controlling the 3D printer

Growing community of inventors

Suwon-si, South Korea

Yong Hyun Lim