Patent ID: 9645455
Date: 2017-05-09
CPC Classifications: G02F

Claim:
1. A liquid crystal display panel, comprising a first substrate and a second substrate opposite to each other, and a polymer dispersed liquid crystal (PDLC) layer disposed between the first substrate and the second substrate, wherein the PDLC layer is formed by polymerizing a positive liquid crystal and a polymer matrix, and the positive liquid crystal is initialized to be perpendicular to the substrates; and the liquid crystal display panel further comprises: a first transparent electrode unit, disposed on a surface of the first substrate facing the second substrate and connected with a switch element; a second transparent electrode unit, disposed on a surface of the second substrate facing the first substrate and connected with a first voltage, wherein the second transparent electrode unit is insulated from the first transparent electrode unit; and a third transparent electrode unit, disposed on the first substrate and the second substrate, the third transparent electrode unit comprises a plurality of third transparent electrodes, each of the third transparent electrodes has a preset height and is connected with a second voltage, the second voltage has a polarity opposite to that of the first voltage, and the third transparent electrode unit is insulated from the first transparent electrode unit and the second transparent electrode unit, wherein the first transparent electrode unit comprises a plurality of first transparent electrodes arranged on the first substrate at intervals, and the second transparent electrode unit comprises a plurality of second transparent electrodes arranged on the second substrate at intervals, the second transparent electrodes and the first transparent electrodes are arranged opposite to each other one by one, wherein the third transparent electrode unit comprises the plurality of third transparent electrodes disposed on the first substrate and the second substrate in an alternate manner, each third transparent electrode on the first substrate is disposed between adjacent first transparent electrodes, and each third transparent electrode on the second substrate is disposed between adjacent second transparent electrodes, wherein the third transparent electrodes disposed on the first substrate and the third transparent electrodes disposed on the second substrate are not opposite to each other.