A visual interface system, comprising: an operation apparatus; and a matrix display apparatus, comprising: a display surface, said display surface is the surface of the matrix display apparatus closest to the viewer when the viewer is watching the images displayed on the matrix display apparatus, and a matrix substrate including a substrate and a matrix, wherein the matrix is arranged on one side of the substrate while the display surface is located at the other side of the substrate, the matrix including a plurality of row electrodes (S 1 ∼S M), a plurality of column electrodes (D 1 ∼D N), and a plurality of pixel electrodes (E 11 ∼E MN) electrically connected to said plurality of row electrodes (S 1 ∼S M) and said plurality of column electrodes (D 1 ∼D N), and the row electrodes (S 1 ∼S M) and the column electrodes (D 1 ∼D N) being intersected; said visual interface system being characterized in that, when the operation apparatus is operated on the display surface, a displayed data signal is sent to the column electrodes (D 1 ∼D N) and an encoded signal is sent to at least one of the column electrode (D 1 ∼D N) and the row electrode (S 1 ∼S M), each of the column electrodes (D 1 ∼D N) and the row electrodes (S 1 ∼S M) adapted to couple and transmit a corresponding encoded signal to the operation apparatus from the matrix substrate, and each of the column electrodes (D 1 ∼D N) adapted to couple and transmit a corresponding displayed data signal to the operation apparatus from the matrix substrate, and the operation apparatus is adapted to receive the encoded signal so as to generate a transmission signal in response thereto. an operation apparatus; and a matrix display apparatus, comprising: a display surface, said display surface is the surface of the matrix display apparatus closest to the viewer when the viewer is watching the images displayed on the matrix display apparatus, and a matrix substrate including a substrate and a matrix, wherein the matrix is arranged on one side of the substrate while the display surface is located at the other side of the substrate, the matrix including a plurality of row electrodes (S 1 ∼S M), a plurality of column electrodes (D 1 ∼D N), and a plurality of pixel electrodes (E 11 ∼E MN) electrically connected to said plurality of row electrodes (S 1 ∼S M) and said plurality of column electrodes (D 1 ∼D N), and the row electrodes (S 1 ∼S M) and the column electrodes (D 1 ∼D N) being intersected; a display surface, said display surface is the surface of the matrix display apparatus closest to the viewer when the viewer is watching the images displayed on the matrix display apparatus, and a matrix substrate including a substrate and a matrix, wherein the matrix is arranged on one side of the substrate while the display surface is located at the other side of the substrate, the matrix including a plurality of row electrodes (S 1 ∼S M), a plurality of column electrodes (D 1 ∼D N), and a plurality of pixel electrodes (E 11 ∼E MN) electrically connected to said plurality of row electrodes (S 1 ∼S M) and said plurality of column electrodes (D 1 ∼D N), and the row electrodes (S 1 ∼S M) and the column electrodes (D 1 ∼D N) being intersected; said visual interface system being characterized in that, when the operation apparatus is operated on the display surface, a displayed data signal is sent to the column electrodes (D 1 ∼D N) and an encoded signal is sent to at least one of the column electrode (D 1 ∼D N) and the row electrode (S 1 ∼S M), each of the column electrodes (D 1 ∼D N) and the row electrodes (S 1 ∼S M) adapted to couple and transmit a corresponding encoded signal to the operation apparatus from the matrix substrate, and each of the column electrodes (D 1 ∼D N) adapted to couple and transmit a corresponding displayed data signal to the operation apparatus from the matrix substrate, and the operation apparatus is adapted to receive the encoded signal so as to generate a transmission signal in response thereto.