A chip-on-glass base type liquid crystal display, comprising: a glass substrate; two or more source driving circuits provided on the glass substrate; two or more gate driving circuits provided on the glass substrate; characterized in that the chip-on-glass base type liquid crystal display further comprises a constant current source provided outside of each of the source driving circuits and outside of each of the gate driving circuits; and each of the two or more source driving circuits and each of the two or more gate driving circuits comprises a converter circuit arranged to convert the constant current received into a voltage signal, wherein each of the converter circuits comprises: an input terminal to receive the constant current; a resistor, one end of which is connected to the input terminal, and the other end is grounded; and an output terminal connected to the input terminal and the end of the resistor that is connected to the input terminal and for outputting the voltage signal; wherein the input terminals of the converter circuits of the two or more source driving circuits are connected to a same wiring electrically connected with the constant current source, and the input terminals of the converter circuits of the two or more gate driving circuits are connected to another same wiring electrically connected with the constant current source. a glass substrate; two or more source driving circuits provided on the glass substrate; two or more gate driving circuits provided on the glass substrate; characterized in that the chip-on-glass base type liquid crystal display further comprises a constant current source provided outside of each of the source driving circuits and outside of each of the gate driving circuits; and each of the two or more source driving circuits and each of the two or more gate driving circuits comprises a converter circuit arranged to convert the constant current received into a voltage signal, wherein each of the converter circuits comprises: an input terminal to receive the constant current; a resistor, one end of which is connected to the input terminal, and the other end is grounded; and an output terminal connected to the input terminal and the end of the resistor that is connected to the input terminal and for outputting the voltage signal; wherein the input terminals of the converter circuits of the two or more source driving circuits are connected to a same wiring electrically connected with the constant current source, and the input terminals of the converter circuits of the two or more gate driving circuits are connected to another same wiring electrically connected with the constant current source. an input terminal to receive the constant current; a resistor, one end of which is connected to the input terminal, and the other end is grounded; and an output terminal connected to the input terminal and the end of the resistor that is connected to the input terminal and for outputting the voltage signal; wherein the input terminals of the converter circuits of the two or more source driving circuits are connected to a same wiring electrically connected with the constant current source, and the input terminals of the converter circuits of the two or more gate driving circuits are connected to another same wiring electrically connected with the constant current source.