Method for producing a liquid crystal panel
AssigneeAu Optronics Corporation
InventorsTe-Sheng Chen, Kai-Neng Yang, Chia-Hsuan Tai
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Abstract
A method of manufacturing an LCD panel, which the LCD panel includes a first substrate and a second substrate, includes following steps of: 1) forming an alignment layer on the first and second substrates, the alignment layer comprising PI and PAA; 2) post baking to convert PAA into PI, wherein the imidization rate of the alignment layer after the post baking is between 70% and 90%; 3) spreading a sealant in the margin area of the first substrate; 4) dropping a liquid crystal material upon the first substrate; and 5) gluing the first substrate and the second substrate under a low-pressure condition.
Claims14
A method of manufacturing a liquid crystal display (LCD) panel having a first substrate and a second substrate, the method comprising:
- forming an alignment layer on the first substrate and the second substrate, the alignment layer comprising polyimide (PI) and polyamic acid (PAA);
- conducting a post baking to convert PAA into PI, wherein the imidization rate of the alignment layer after the post baking is between 70% and 90%;
- spreading a sealant on the margin area of the first substrate;
- dropping a liquid crystal material on the second substrate;
- and
- gluing the first substrate and the second substrate to contain the liquid crystal material inside the area surrounded by the sealant therebetween.
A liquid crystal display (LCD) panel comprising:
- a first substrate;
- a second substrate;
- two alignment layer formed on a top surface of the second substrate and a bottom surface of the first substrate, respectively, at least one of the two alignment layers having 70% to 90% polyimide (PI);
- a sealant disposed on a margin area of the first substrate, wherein the first substrate superposes to the second substrate via the sealant;
- and
- at least one drop of a liquid crystal material filled between the upper and second substrates.
Dependencies are inferred from the claim text.