Liquid crystal device with antireflective structure and electronic apparatus
A liquid crystal layer is disposed between an element substrate and an opposite substrate and a pixel electrode being light-reflective is disposed between an element substrate and a liquid crystal layer, and a planarization layer that is light-transmissive, a first light-transmissive film that has a high refractive index than a refractive index of the planarization layer, a second light-transmissive film that has a lower refractive index than the refractive index of the first light-transmissive film, and a third light-transmissive film that is electrically conductive and has a higher refractive index than the refractive index of the second light-transmissive film are disposed between the opposite substrate and the liquid crystal layer from the opposite substrate side in this order.
1. A liquid crystal device comprising:
a first substrate;
a second substrate that is light-transmissive;
a liquid crystal layer that is disposed between the first substrate and the second substrate;
a pixel electrode that is light-reflective and is disposed between the first substrate and the liquid crystal layer;
a light shielding layer that is disposed between the second substrate and the liquid crystal layer;
a planarization layer that is transmissive and is disposed between the light shielding layer and the liquid crystal layer;
a first light-transmissive film that is disposed between the planarization layer and the liquid crystal layer and has a higher refractive index than a refractive index of the planarization layer;
a second light-transmissive film that is disposed between the first light-transmissive film and the liquid crystal layer and has a lower refractive index than the refractive index of the first light-transmissive film; and
a third light-transmissive film that is electrically conductive, that is disposed between the second light-transmissive film and the liquid crystal layer, and that has a higher refractive index than the refractive index of the second light-transmissive film,
wherein
a film thickness of the planarization layer is greater than a film thickness of the first light-transmissive film, a film thickness of the second light-transmissive film, and a film thickness of the third light-transmissive film, respectively,
the planarization layer is disposed so as to flatten an irregularity caused by the light shielding layer, and
a film thickness of the light shielding layer is greater than a film thickness of the first light-transmissive film, a film thickness of the second light-transmissive film, and a film thickness of the third light-transmissive film, respectively.
2. The liquid crystal device according to claim 1 , wherein the planarization layer has the refractive index substantially equal to the refractive index of the second substrate and is made of silicon oxide including at least one of boron and phosphorus.
3. The liquid crystal device according to claim 1 , wherein
the first light-transmissive film is electrically conductive, the second light-transmissive film is electrically insulative, and the third light-transmissive film acts as a common electrode, and
the second light-transmissive film does not have a contact portion electrically connecting the first light-transmissive film to the third light-transmissive film.
4. The liquid crystal device according to claim 1 , further comprising:
a driving circuit that is disposed between an end of the first substrate and the pixel area on which the pixel electrode is disposed; and
a light-shielding member that is disposed between the second substrate and the planarization layer at a position overlapping with the driving circuit in a plan view.
5. An electronic apparatus including the liquid crystal device according to claim 1 .