| 摘要 |
A display ( 1100 ) comprises a passive screen ( 106, 502, 700, 1114 ) printed with a pattern ( 404 ) of different color quantum dots ( 602, 604, 606 ) that is excited by scanning a laser ( 130, 1108 ) over the screen ( 106, 502, 700, 1114 ). The display ( 1100 ) can be incorporated into a handheld device ( 100, 1200 ) to improve the use-ability of the device ( 100, 1200 ).
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