{"id":15393,"date":"2017-09-19T00:00:00","date_gmt":"2017-09-18T17:00:00","guid":{"rendered":"https:\/\/hoasen.pertoo.com\/nobel-vat-ly-cho-sang-che-diode-phat-anh-sang-xanh\/"},"modified":"2023-10-05T08:08:27","modified_gmt":"2023-10-05T01:08:27","slug":"nobel-vat-ly-cho-sang-che-diode-phat-anh-sang-xanh","status":"publish","type":"post","link":"https:\/\/pertoo.com\/nobel-vat-ly-cho-sang-che-diode-phat-anh-sang-xanh\/","title":{"rendered":"Nobel V\u1eadt l\u00fd cho s\u00e1ng ch\u1ebf diode ph\u00e1t \u00e1nh s\u00e1ng xanh"},"content":{"rendered":"<\/p>\n
Gi\u1ea3i Nobel V\u1eadt l\u00fd n\u0103m nay \u0111\u00e3 thu\u1ed9c v\u1ec1 ba nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi Nh\u1eadt B\u1ea3n \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng nh\u1eefng diode hi\u1ec7u qu\u1ea3 ph\u00e1t \u00e1nh s\u00e1ng xanh (Blue Light-Emitting Diode), gi\u00fap l\u00e0m s\u00e1ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng nh\u1eefng ngu\u1ed3n \u00e1nh s\u00e1ng tr\u1eafng.<\/p>\n
Ng\u00e0y 7\/10, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Ho\u00e0ng gia Th\u1ee5y \u0110i\u1ec3n \u0111\u00e3 th\u00f4ng b\u00e1o gi\u1ea3i Nobel V\u1eadt l\u00fd 2014 \u0111\u01b0\u1ee3c trao cho ba nh\u00e0 khoa h\u1ecdc:<\/p>\n
v\u00ec \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng nh\u1eefng diode hi\u1ec7u qu\u1ea3 ph\u00e1t \u00e1nh s\u00e1ng xanh gi\u00fap l\u00e0m s\u00e1ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng nh\u1eefng ngu\u1ed3n \u00e1nh s\u00e1ng tr\u1eafng.<\/p>\n
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Ba nh\u00e0 v\u1eadt l\u00fd n\u00f3i tr\u00ean \u0111\u00e3 ch\u1ebf t\u1ea1o m\u1ed9t ngu\u1ed3n s\u00e1ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng – \u0111\u00f3 l\u00e0 c\u00e1c LED (Light Emitting Diode) ph\u00e1t \u00e1nh s\u00e1ng m\u00e0u xanh. Khi s\u1eed d\u1ee5ng c\u00e1c LED xanh, th\u00ec \u00e1nh s\u00e1ng tr\u1eafng s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra theo m\u1ed9t c\u00e1ch m\u1edbi. Nh\u1edd c\u00e1c LED n\u00e0y, ch\u00fang ta s\u1ebd s\u1edf h\u1eefu m\u1ed9t ngu\u1ed3n s\u00e1ng b\u1ec1n h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m h\u01a1n so v\u1edbi c\u00e1c ngu\u1ed3n \u00e1nh s\u00e1ng c\u0169…<\/p>\n