| CPC H04R 9/063 (2013.01) [H04R 1/2811 (2013.01); H04R 1/2849 (2013.01); H04R 2400/11 (2013.01)] | 20 Claims | 

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               1. A display panel, comprising at least two first display units, wherein the first display unit comprises at least one first sub-display unit, the first sub-display unit comprises a first sub-display panel and a vibration device connected with the first sub-display panel, the at least two first display units are arranged along a first direction to form display unit rows, in one of the display unit rows, the distance L1 of sound channel centers of two adjacent first display units in the first direction is: 
              ![]() wherein W is the vertical distance between a sound receiving position and a side surface of the display panel facing the sound receiving position; β is an angle between linear distances from sound channel centers of two adjacent first display units to the sound receiving position respectively in a display unit row, and the β is greater than 2.4 degrees. 
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