https://www.reuters.com/article/us-southkorea-japan-laborers/japan-to-tighten-curbs-on-tech-material-exports-to-south-korea-amid-wartime-labor-row-idUSKCN1TW144

Japan will tighten restrictions on exports of high-tech materials used in smartphone displays and chips to South Korea in response to a South Korean ruling on war-time forced labor, the industry ministry said on Monday.