Liquid crystal display device
The liquid crystal display device includes, sequentially from a viewing surface side to a back surface side: a linearly polarizing plate and a circularly polarizing plate including a first λ/4 retardation layer; a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region; a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes; a color filter substrate including a color filter layer; and a backlight, the thin-film transistor substrate including a second λ/4 retardation layer, the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.
1. A liquid crystal display device comprising,
sequentially from a viewing surface side to a back surface side:
a circularly polarizing plate including a linearly polarizing plate and a first λ/4 retardation layer;
a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region;
a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes;
a color filter substrate including a color filter layer; and
a backlight,
the thin-film transistor substrate including a second λ/4 retardation layer,
the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.
2. The liquid crystal display device according to claim 1 ,
wherein the color filter substrate includes a black film disposed on a viewing surface side of the reflective layer.
3. The liquid crystal display device according to claim 1 ,
wherein the thin-film transistor substrate includes a touch panel driving line disposed closer to the viewing surface than the second λ/4 retardation layer is.
4. The liquid crystal display device according to claim 1 ,
wherein the liquid crystal display device comprises a shield electrode between the circularly polarizing plate and the thin-film transistor substrate.
5. The liquid crystal display device according to claim 1 ,
wherein the second λ/4 retardation layer is a cured product of a photo-polymerizable liquid crystal material.
6. The liquid crystal display device according to claim 1 , further comprising a liquid crystal panel driving circuit,
wherein the reflective layer is connected to a ground terminal of the liquid crystal panel driving circuit.
7. The liquid crystal display device according to claim 6 ,
wherein the liquid crystal layer contains negative liquid crystals.