Patent ID: 9709853
Date: 2017-07-18
CPC Classifications: G02F

Claim:
1. A liquid crystal display panel comprising: a transparent substrate provided with a pixel portion in which a plurality of pixel electrodes are arranged and a peripheral circuit portion provided outside of the pixel portion, a gate scanning circuit is formed in the peripheral circuit portion, a plurality of oxide thin film transistors formed in the gate scanning circuit to control the pixel electrodes in the pixel portion, and an alignment film to align a liquid crystal provided in the pixel portion, wherein the alignment film is subjected to photo alignment treatment by irradiation with ultraviolet light, wherein an ultraviolet absorbing layer for absorbing the ultraviolet light is provided so as to cover the plurality of oxide thin film transistors in the gate scanning circuit, and wherein the ultraviolet absorbing layer extends outwardly beyond the outer edge of the gate scanning circuit, and wherein the ultraviolet absorbing layer includes the alignment film and an oxide based transparent film.