Color liquid crystal display device and method of manufacturing the same, and method of manufacturing a color filter substrate

Abstract

To provide a semi-transmissive type color liquid crystal display device that is capable of realizing high color reproducibility as well as increase in reflection brightness upon light transmission and upon light reflection. In display pixel elements of a color filter substrate used in the semi-transmissive type color liquid crystal display device, a color filter layer formed on a reflection part is thin and a color filter layer formed on a transmission part is thick, and a thickness of a metallic reflective film formed on the reflection part is set to 0.2 μm or more. Further, the color layer filter at the transmission part and the color layer filter at the reflection part are formed at the same time, and a continuous color filter layer is obtained.

1 .- 18 . (canceled)  
   
   
       19 . A color liquid crystal display device, comprising: 
 a color filter substrate having a metallic reflective film, colored layers, and a transparent electrode formed on a transparent substrate;    a counter substrate having an opposite electrode that is opposite to the transparent electrode and constitutes a display pixel element with the transparent electrode; and    a liquid crystal layer disposed between the color filter substrate and the counter substrate; wherein    the metallic reflective film is formed on a part of an area of the display pixel element; and    the colored layers are integrally formed on the metallic reflective film and an area where the metallic reflective film is not provided in the display pixel element.    
   
   
       20 . A color liquid crystal display device according to  claim 19;  wherein a light shielding film is formed between the colored layers.  
   
   
       21 . A color liquid crystal display device according to  claim 20;  wherein the light shielding film is provided on the metallic reflective film.  
   
   
       22 . A color liquid crystal display device according to  claim 20;  wherein the light shielding film is formed on an area of the transparent substrate where the metallic reflective film is not formed.  
   
   
       23 . A color liquid crystal display device according to  claim 19;  wherein the metallic reflective film has a thickness of 0.2 μm or more.  
   
   
       24 . A method of manufacturing a color liquid crystal display device in which a transparent electrode and an opposite electrode sandwich therebetween a liquid crystal layer to constitute a display pixel element, comprising the steps of: 
 establishing a reflection part and a transmission part by forming a metallic reflective film on a part of an area of a transparent substrate where the display pixel element is to be constituted;    forming colored layers at the reflection part and the transmission part at the same time;    forming a color filter substrate by repeatedly performing the colored layer formation for each color;    forming the transparent electrode having a desired pattern on the color filter substrate;    forming the opposite electrode having a desired pattern on a counter substrate;    arranging the color filter substrate and the counter substrate such that the transparent electrode and the opposite electrode are opposed to each other; and    forming the liquid crystal layer in a space between the transparent electrode and the opposite electrode.    
   
   
       25 . A method of manufacturing a color liquid crystal display device according to  claim 24;  further comprising the step of forming a light shielding film on a part of the metallic reflective film before formation of the colored layers.  
   
   
       26 . A method of manufacturing a color liquid crystal display device according to  claim 24;  further comprising the step of forming a light shielding film on a part of an area of the transparent substrate where the metallic reflective film is not formed before the colored layer formation.  
   
   
       27 . A method of manufacturing a color liquid crystal display device according to  claim 25;  wherein each of the colored layers is formed by supplying a liquid color resist in a predetermiend area surrounded by the light shielding film.  
   
   
       28 . A method of manufacturing a color liquid crystal display device according to  claim 27;  wherein after the supply of the liquid color resist, the resist is left to stand in a liquid state for 1 minute or longer before being dried.  
   
   
       29 . A method of manufacturing a color liquid crystal display device according to  claim 24;  wherein the metallic reflective film has a thickness of 0.2 μm or more.  
   
   
       30 . a method of manufacturing a color liquid crystal display device according to  claim 29;  wherein the thickness of the metallic reflective film is in a range from 0.4 μm to 0.6 μm.  
   
   
       31 . A method of manufacturing a color liquid crystal display device according to  claim 29;  wherein a thickness of the colored layers at the reflection part is in a range from 0.4 μm to 0.8 μm.  
   
   
       32 . A method of manufacturing a color filter substrate, comprising the steps of: 
 establishing a reflection part and a transmission part by forming a metallic reflective film on a part of a transparent substrate;    forming colored layers at the reflection part and the transmission part at the same time; and    forming a color filter by repeatedly performing the colored layer formation for each color.    
   
   
       33 . A method of manufacturing a color filter substrate according to  claim 32;  wherein a thickness of the colored layers at the reflection part is 0.2 μm or more.  
   
   
       34 . A method of manufacturing a color filter substrate according to  claim 33;  wherein during the colored layer formation, the colored layer on the metallic reflective film is formed to have a thickness in a range from 0.4 μm to 0.9 μm, and at the same time the colored layer at the transmission part is formed to have a thickness in a range from 0.55 μm to 1.0 μm.