Liquid crystal device board, liquid crystal device, and electronic apparatus

Abstract

A first substrate 211 has reflective layer 212 formed thereon, and the reflective layer 212 has one aperture 212 a formed therein at each pixel. The reflective layer 212 has coloring layers 214 formed thereon, and the coloring layers 214 have an overcoat layer 215 formed thereon. The overcoat layer 215 has apertures 215 a directly above the corresponding apertures 212 a. Liquid crystal 232 lies in surface depressions 210 a formed so as to correspond to the apertures 215 a of the overcoat layer 215 and is thick above the apertures 212 a of the reflective layer 212.

1 . A liquid crystal device board comprising: 
 at least one substrate;    a reflective layer disposed on the substrate and including apertures;    coloring layers disposed on the reflective layer; and    a substantially transmissive protection layer disposed on the coloring layers and including at least one of apertures and thin portions,    wherein the apertures or the thin portions of the protection layer overlap the apertures of the reflective layer, and    wherein the protection layer includes depressions on the surface thereof, the depressions being formed by the apertures or the thin portions of the protection layer.    
     
     
         2 . The liquid crystal device board according to  claim 1 , further comprising an alignment film disposed on the protection layer and including depressions on the surface thereof.  
     
     
         3 . The liquid crystal device board according to  claim 1 , wherein the substrate includes depressions on the surface thereof, and the apertures of the reflective layer lie above the depressions of the substrate.  
     
     
         4 . The liquid crystal device board according to  claim 3 , wherein the coloring layers include depressions on the surface thereof, the depressions of the coloring layers corresponding to the depressions of the substrate.  
     
     
         5 . The liquid crystal device board according to  claim 1 , further comprising an underlying layer disposed on the substrate and including at least one of apertures and thin portions, wherein the apertures of the reflective layer lie above the apertures or the thin portions of the underlying layer, and the coloring layers are disposed on the reflective layer and include depressions on the surfaces thereof, the depressions of the coloring layers corresponding to the apertures or the thin portions of the underlying layer.  
     
     
         6 . A liquid crystal device comprising: 
 a liquid crystal layer;    coloring layers;    at least one reflective layer including apertures and reflectors for reflecting light passing through the liquid crystal layer and the coloring layers;    a substantially-transmissive protection layer covering the coloring layers,    wherein the protection layer includes at least one of apertures and thin portions which overlap the apertures of the reflective layer, and    wherein the liquid crystal layer lies in depressions formed by the apertures or the thin portions of the protection layer.    
     
     
         7 . A liquid crystal device comprising: 
 a pair of substrates;    a liquid crystal layer disposed between the pair of substrates;    at least one reflective layer disposed on one of the substrates and including apertures and reflectors for reflecting light passing through the liquid crystal layer;    coloring layers disposed on the reflective layer; and    a substantially-transmissive protection layer covering the coloring layers and including at least one of apertures and thin portions which overlap the apertures of the reflective layer,    wherein the liquid crystal layer lies in depressions formed by the apertures or the thin portions of the protection layer.    
     
     
         8 . A liquid crystal device comprising: 
 a pair of substrates;    a liquid crystal layer disposed between the pair of substrates;    at least one reflective layer disposed on one of the substrates and including apertures and reflectors for reflecting light passing through the liquid crystal layer;    coloring layers disposed on the other substrate; and    a substantially-transmissive protection layer covering the coloring layers and including at least one of apertures and thin portions which overlap the apertures of the reflective layer,    wherein the liquid crystal layer lies in depressions formed by the apertures or the thin portions of the protection layer.    
     
     
         9 . The liquid crystal device according to  claim 6 , wherein, when a is a thickness of the liquid crystal layer in regions which overlap the reflectors of the reflective layer and b is another thickness of the liquid crystal layer in other regions which overlap the apertures of the reflective layer, b is greater than a and equal to or less than 2a.  
     
     
         10 . The liquid crystal device according to  claim 9 , wherein the liquid crystal layer comprises nematic liquid crystal having a predetermined twist angle Tw and satisfies the following conditions: 
 (1) when 70<Tw≦90, a<b≦a+1.0 μm,    (2) when 50<Tw≦70, a<b≦a+2.2 μm,    (3) when 30<Tw≦50, a<b≦a+3.5 μm, and    (4) when 0<Tw≦30, a<b≦a+5.0 μm.    
     
     
         11 . The liquid crystal device according to  claim 8 , wherein at least one of the pair of substrates comprises depressions on the surface thereof, and the apertures of the reflective layer lie above the depressions of the substrate.  
     
     
         12 . The liquid crystal device according to claims  11 , wherein the coloring layers comprise thicker portions on the depressions of the substrate than on other parts of the substrate.  
     
     
         13 . The liquid crystal device according to  claim 8 , wherein at least one of the pair of substrates includes an underlying layer on the surface thereof, and the underlying layer includes at least one of apertures and substantially-transmissive thin portions which overlap the apertures of the reflective layer.  
     
     
         14 . The liquid crystal device according to claims  13 , wherein the coloring layers comprise thicker portions on the apertures or the thin portions of the underlying layer than on other parts of the underlying layer.  
     
     
         15 . The liquid crystal device according to  claim 8 , further comprising a substantially transmissive light-transmitting layer disposed on the reflective layer and including at least one of apertures and thin portions which overlap the apertures of the reflective layer.  
     
     
         16 . The liquid crystal device according to  claim 15 , wherein the coloring layers comprise thicker portions on the apertures or the thin portions of the light-transmitting layer than on other parts of the light-transmitting layer.  
     
     
         17 . The liquid crystal device according to  claim 6 , further comprising: 
 an observation-side retardation film;    an observation-side polarizer;    a rear-side retardation film; and    a rear-side polarizer, wherein the observation-side retardation film and polarizer are disposed opposite to the reflective layer with respect to the liquid crystal layer, and the rear-side retardation film and polarizer are disposed opposite to the liquid crystal layer with respect to the reflective layer.    
     
     
         18 . An electronic apparatus comprising: 
 the liquid crystal device according to  claim 6;  and    control means for controlling the liquid crystal device.