A display apparatus, comprising: an electro-chromic display element, comprising: at least a display substrate; one or more display electrodes (1; 1C, 1M, 1Y) provided on the display substrate; an electro-chromic layer (3; 3C, 3M, 3Y) provided on the display electrode (1; 1C, 1M, 1Y); an opposing substrate; multiple opposing electrodes which are provided on the opposing substrate and which are arranged to oppose the display electrode (1; 1C, 1M, 1Y); and an electrolytic layer provided such that it is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes, the electro-chromic display element further including a third electrode which is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes and which is arranged such that the electro-chromic layer (3; 3C, 3M, 3Y) is placed between the third electrode and the display electrode (1; 1C, 1M, 1Y), wherein a layer structure combining the display electrode and the electrochromic layer is laminated on the display substrate in a multiple number; characterized by multiple driving elements (2 TFT) provided on the opposing substrate in correspondence with the respective multiple opposing electrodes; a unit which selects the one or more display electrodes (1; 1C, 1M, 1Y); a unit which variably selects one of the third electrode and the multiple opposing electrodes; and a unit which applies a voltage between the selected display electrode (1; 1C, 1M, 1Y) and the selected one of the third electrode and the multiple opposing electrodes. an electro-chromic display element, comprising: at least a display substrate; one or more display electrodes (1; 1C, 1M, 1Y) provided on the display substrate; an electro-chromic layer (3; 3C, 3M, 3Y) provided on the display electrode (1; 1C, 1M, 1Y); an opposing substrate; multiple opposing electrodes which are provided on the opposing substrate and which are arranged to oppose the display electrode (1; 1C, 1M, 1Y); and an electrolytic layer provided such that it is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes, the electro-chromic display element further including a third electrode which is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes and which is arranged such that the electro-chromic layer (3; 3C, 3M, 3Y) is placed between the third electrode and the display electrode (1; 1C, 1M, 1Y), wherein a layer structure combining the display electrode and the electrochromic layer is laminated on the display substrate in a multiple number; characterized by multiple driving elements (2 TFT) provided on the opposing substrate in correspondence with the respective multiple opposing electrodes; a unit which selects the one or more display electrodes (1; 1C, 1M, 1Y); at least a display substrate; one or more display electrodes (1; 1C, 1M, 1Y) provided on the display substrate; an electro-chromic layer (3; 3C, 3M, 3Y) provided on the display electrode (1; 1C, 1M, 1Y); an opposing substrate; multiple opposing electrodes which are provided on the opposing substrate and which are arranged to oppose the display electrode (1; 1C, 1M, 1Y); and an electrolytic layer provided such that it is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes, the electro-chromic display element further including a third electrode which is placed between the display electrode (1; 1C, 1M, 1Y) and the multiple opposing electrodes and which is arranged such that the electro-chromic layer (3; 3C, 3M, 3Y) is placed between the third electrode and the display electrode (1; 1C, 1M, 1Y), wherein a layer structure combining the display electrode and the electrochromic layer is laminated on the display substrate in a multiple number; characterized by multiple driving elements (2 TFT) provided on the opposing substrate in correspondence with the respective multiple opposing electrodes; a unit which selects the one or more display electrodes (1; 1C, 1M, 1Y); a unit which variably selects one of the third electrode and the multiple opposing electrodes; and a unit which applies a voltage between the selected display electrode (1; 1C, 1M, 1Y) and the selected one of the third electrode and the multiple opposing electrodes.