A triple state liquid crystal device, comprising: a liquid crystal layer; the liquid crystal layer including a dichroic dye, and/or a polarizing layer is disposed on one side or both sides of the liquid crystal layer; wherein the liquid crystal layer further includes a suitable additive for controlling conductivity; wherein the liquid crystal layer has a parallel conductivity at room temperature of 1.0 × 10 -4 μS/cm or more, and electrode layers (301, 302) facing each other, respectively, toward the liquid crystal layer, which is capable of being switched between first to third states described below, and is designed for the switching between the first to third states to be performed by changing a voltage level at the same frequency, wherein the parallel conductivity is a value measured along the direction of an electric field while a voltage is applied to allow an optical axis of the liquid crystal layer to be parallel to the direction of the electric field at a measurement frequency of 60 Hz, and at a measurement voltage of 0.5 V, and is a value converted to correspond to a liquid crystal layer having an area of 1 cm 2 and a thickness of 1 cm: first state: parallel light transmittance of 50% or more and haze of 5% or less; second state: parallel light transmittance of 35% or less and haze of 5% or less; and third state: parallel light transmittance of 10% or less and haze of 80% or more, wherein the parallel light transmittance and haze is measured according to ASTM D1003 specification, and wherein the device satisfies Formula A and Formula B: 20 ≤ H 1 / H 2 where H1 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V, and H2 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V. 5 ≤ T 1 / T 2 where T1 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V, and T2 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V. a liquid crystal layer; the liquid crystal layer including a dichroic dye, and/or a polarizing layer is disposed on one side or both sides of the liquid crystal layer; wherein the liquid crystal layer further includes a suitable additive for controlling conductivity; wherein the liquid crystal layer has a parallel conductivity at room temperature of 1.0 × 10 -4 μS/cm or more, and electrode layers (301, 302) facing each other, respectively, toward the liquid crystal layer, which is capable of being switched between first to third states described below, and is designed for the switching between the first to third states to be performed by changing a voltage level at the same frequency, wherein the parallel conductivity is a value measured along the direction of an electric field while a voltage is applied to allow an optical axis of the liquid crystal layer to be parallel to the direction of the electric field at a measurement frequency of 60 Hz, and at a measurement voltage of 0.5 V, and is a value converted to correspond to a liquid crystal layer having an area of 1 cm 2 and a thickness of 1 cm: first state: parallel light transmittance of 50% or more and haze of 5% or less; second state: parallel light transmittance of 35% or less and haze of 5% or less; and third state: parallel light transmittance of 10% or less and haze of 80% or more, wherein the parallel light transmittance and haze is measured according to ASTM D1003 specification, and wherein the device satisfies Formula A and Formula B: 20 ≤ H 1 / H 2 where H1 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V, and H2 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V. 5 ≤ T 1 / T 2 where T1 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V, and T2 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V. first state: parallel light transmittance of 50% or more and haze of 5% or less; second state: parallel light transmittance of 35% or less and haze of 5% or less; and third state: parallel light transmittance of 10% or less and haze of 80% or more, wherein the parallel light transmittance and haze is measured according to ASTM D1003 specification, and wherein the device satisfies Formula A and Formula B: 20 ≤ H 1 / H 2 where H1 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V, and H2 is haze of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V. 5 ≤ T 1 / T 2 where T1 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 10 V, and T2 is the parallel light transmittance measured according to ASTM D1003 specification of the triple state liquid crystal device at a frequency of 60 Hz and a voltage of 60 V.