LIQUID CRYSTAL DISPLAY DEVICE AND A METHOD OF MANUFACTURING THE SAME

1 . A liquid crystal display device including:

two sheets of substrates;

a liquid crystal layer sealed between said two sheets of substrates; and

a retardation layer provided on said liquid crystal layer side in one of said two sheets of substrates, wherein said retardation layer has a structure in which polymerizable liquid crystal monomers are three-dimensionally cross-linked, and a retardation R(450) for a wavelength of 450 nm and a retardation R(550) for a wavelength of 550 nm fulfill a relationship of R(450)/R(550)≦1.

2 . The liquid crystal display device according to claim 1 , wherein

a plurality of pixels each having a transmissive display portion and a reflective display portion set therein are disposed and formed between said two sheets of substrates; and

said retardation layer is formed in a pattern in each of said pixels so as to correspond to said reflective display portion.

3 . A method of manufacturing a liquid crystal display device including the steps of

forming a retardation layer on a first substrate;

disposing a second substrate so as to face a side of a formation surface of said retardation layer in said first substrate; and

filling and sealing a liquid crystal layer between said first substrate and said second substrate, said method of manufacturing a liquid crystal display device, when said retardation layer is formed; comprising the steps of:

applying a liquid solution containing therein polymerizable liquid crystal monomers onto an orientation surface of said first substrate to form a retardation layer formation film;

performing orientation processing for said retardation layer formation film;

three-dimensionally cross-linking said polymerizable liquid crystal monomers contained said retardation layer formation film for which the orientation processing is performed to cure said polymerizable liquid crystal monomers; and

obtaining said retardation layer in which a retardation R(450) for a wavelength of 450 nm and a retardation R(550) for a wavelength of 550 nm fulfill a relationship of R(450)/R(550)≦1.

4 . The method of manufacturing a liquid crystal display device according to claim 3 , wherein 50% or more of said polymerizable liquid crystal monomers in said retardation layer formation film have two or more acrylate groups at their ends.

5 . The method of manufacturing a liquid crystal display device according to claim 3 , wherein in the three-dimensionally cross-linking of said polymerizable liquid crystal monomers, said polymerizable liquid crystal monomers are three-dimensionally cross-linked in an exposed portion by carrying out pattern exposure for said retardation layer formation film; and

said manufacturing method further comprises the step of:

pattering said retardation layer formation film so as to leave said exposed portion by performing development processing for said retardation layer formation film.

6 . A liquid crystal display device including:

two sheets of substrates;

a liquid crystal layer sealed between said two sheets of substrates;

a reflective material layer provided on a side of said liquid crystal layer in one of said two sheets of substrates; and

a retardation layer formed in a pattern above said reflective material layer,

wherein said reflective material layer is entirely covered with said retardation layer.

7 . The liquid crystal display device according to claim 6 , wherein

a plurality of pixels each having a transmissive display portion and a reflective display portion set therein are disposed and formed between said two sheets of substrates; and

said reflective material layer and said retardation layer are each formed in a pattern in each of said pixels so as to correspond to said reflective display portion.

8 . The liquid crystal display device according to claim 6 , wherein said reflective material layer is made of a metallic material.