| 摘要 |
A method and an apparatus of re-adjusting convergence of a projection TV are disclosed. The apparatus includes a display device on which an image is projected and at least one light-sensing element ( 101 ) being provided around the display device. The light-sensing element ( 101 ) is composed of first and second sub-sensors ( 101 a, 101 b) that generate separate output signal projected alignment pattern moves over the sub-sensors ( 101 a , 101 b). The apparatus further includes a microprocessor calculating a convergence re-adjustment vector by obtaining a location of the light-sensing element ( 101 ), from which a previous convergence correction was made. The location of the light-sensing element ( 101 ) is obtained by analyzing the output signals. By using the apparatus and method of present invention, the misconvergence of the projection TV can be corrected very quickly and precisely.
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