Patent ID: 8488072
Filing Date: 2013-07-16
Classification: G02B,G02F

Abstract:
1. A liquid crystal display panel manufacturing method, comprising a substrate laminating step for laminating a first glass substrate and a second glass substrate, and a liquid crystal sealing step for injecting and sealing a liquid crystal between the first glass substrate and the second glass substrate, the method executing: a mask forming step for forming an etching mask on a surface of the first glass substrate, which is an opposite-side surface from a surface laminated with the second glass substrate; an etching step for applying wet etching on each outer-side surface of both of the laminated substrates after executing the substrate laminating step; and a mask removing step for removing the mask from the first substrate glass after completing the etching, wherein in the mask forming step, a plurality of slit-like openings are formed in the mask, at least one of end parts of the plurality of slit-like openings in an extending direction in a plane of the mask is opened, the slit-like openings communicate with each other through the opened end parts, and the plurality of slit-like openings are arranged parallel to the plane of the mask and facing directions of the opened end parts are aligned; in the etching step, the both of the laminated glass substrates are placed in such a manner that the open-end side of the slit-like openings of the mask faces downwards and a slit length direction is aligned with a vertical direction, and the wet etching is applied to each outer-side surface of the both glass substrates in this state to form a lenticular-lens recessed part which corresponds to a shape of the mask on the surface of the first glass substrate, in a lenticular lens forming step which fills a transparent resin having a higher refractive index than that of the first glass substrate into the lenticular-lens recessed part formed on the surface of the first glass substrate; and residuals due to impurities of the first glass substrate are drained along a shape of the lenticular-lens recessed part through the opened end to be discharged from the flat part, when directly forming the lenticular-lens recessed part onto the first glass substrate by wet etching.