A transparent display panel , comprising: a first region and a second region , wherein the first region comprises a plurality of first display units (10-01); the second region comprises a plurality of second display units (10-02); each of the plurality of first display units (10-01) and the plurality of second display units (10-02) comprises a light-transmitting subunit and a light-emitting subunit ; a transmission rate of one of the plurality of first display units (10-01) is higher than a transmission rate of one of the plurality of second display units (10-02); a luminance rate of one of the plurality of first display units (10-01) is lower than a luminance rate of one of the plurality of second display units (10-02); the transmission rate of the one of the plurality of first display units (10-01) is a ratio of an area of the light-transmitting subunit and an area of the one of the plurality of first display units (10-01), the transmission rate of the one of the plurality of second display units (10-02) is a ratio of an area of the light-transmitting subunit and an area of the one of the plurality of second display units (10-02); and the luminance rate of the one of the plurality of first display units (10-01) is a ratio of an area of the light-emitting subunit and an area of the one of the plurality of first display units (10-01), the luminance rate of the one of the plurality of second display units (10-02) is a ratio of an area of the light-emitting subunit and an area of the one of the plurality of second display units (10-02), wherein the one of the plurality of first display units (10-01) comprises a first driving circuit; the one of the plurality of second display units (10-02) comprises a second driving circuit; characterised in that an area of the first driving circuit is smaller than an area of the second driving circuit. a first region and a second region , wherein the first region comprises a plurality of first display units (10-01); the second region comprises a plurality of second display units (10-02); each of the plurality of first display units (10-01) and the plurality of second display units (10-02) comprises a light-transmitting subunit and a light-emitting subunit ; a transmission rate of one of the plurality of first display units (10-01) is higher than a transmission rate of one of the plurality of second display units (10-02); a luminance rate of one of the plurality of first display units (10-01) is lower than a luminance rate of one of the plurality of second display units (10-02); the transmission rate of the one of the plurality of first display units (10-01) is a ratio of an area of the light-transmitting subunit and an area of the one of the plurality of first display units (10-01), the transmission rate of the one of the plurality of second display units (10-02) is a ratio of an area of the light-transmitting subunit and an area of the one of the plurality of second display units (10-02); and the luminance rate of the one of the plurality of first display units (10-01) is a ratio of an area of the light-emitting subunit and an area of the one of the plurality of first display units (10-01), the luminance rate of the one of the plurality of second display units (10-02) is a ratio of an area of the light-emitting subunit and an area of the one of the plurality of second display units (10-02), wherein the one of the plurality of first display units (10-01) comprises a first driving circuit; the one of the plurality of second display units (10-02) comprises a second driving circuit; characterised in that an area of the first driving circuit is smaller than an area of the second driving circuit. <EOS>