A liquid crystal display device containing a liquid crystal panel that includes a first substrate, a second substrate, and first and second polarizers at respective outer surfaces of the first and second substrates; and a backlight unit under the liquid crystal panel that includes a light source, wherein the light source includes a first luminous body having a first peak wavelength, a second luminous body having a second peak wavelength greater than the first peak wavelength, and a third luminous body having a third peak wavelength greater than the second peak wavelength, and wherein the first polarizer contains a light absorption layer having an absorption peak between the second peak wavelength and the third peak wavelength.

A polarization film and a display apparatus are provided. The polarization film includes first polarization layers and second polarization layers. The first polarization layers have a first refractive index with respect to a first polarization; and the second polarization layers have a second refractive index with respect to the first polarization and are arranged in each interval between the first polarization layers. The first polarization layers reflect light of the first polarization having color coordinates based on a thickness of the first polarization layers, at a boundary that touches the second polarization layers. The display apparatus includes a display panel and the polarization film.

The present disclosure relates to the technical field of display, and in particular, to a polarizer applicable to a display device. The polarizer comprises a stack which at least includes: a functional layer, capable of affecting a polarization direction of an optical wave and converting wavelength of the optical wave, and a protective layer located at an outermost part of the stack. In this manner, two important functions are integrated into the polarizer, which can not only improve the color gamut and the light utilization rate of the display device, but also ensure that light emitted can have a desired polarization state, thus enhancing the display quality of the display device.

The present invention provides a display device that can display chromatic color(s) and pattern(s) without power consumption in the non-display state (light off state) and an electronic apparatus including the display device. The display device includes a display panel and a transflective reflector disposed on a viewing surface side of the display panel. The transflective reflector includes a reflective polarizer and a color polarizer disposed on a side closer to the viewing surface than the reflective polarizer.

The present invention provides a viewing system capable of providing varying visual effects with a simpler configuration. In addition, the present invention also provides a display device, a stage installation, and a polymerizable liquid crystal composition. A viewing system according to the present invention is a viewing system for viewing an object to be irradiated including a light source unit, and the object to be irradiated with light emitted from the light source unit, in which the object to be irradiated includes a member, and a first circularly polarized light reflecting layer that is arranged on the member and reflects either right-handed circularly polarized light or left-handed circularly polarized light, the light source unit is capable of emitting light to be switchable between either right-handed circularly polarized light or left-handed circularly polarized light that is reflected by the first circularly polarized light reflecting layer or natural light, and circularly polarized light having a revolution direction opposite to a revolution direction of the circularly polarized light reflected by the first circularly polarized light reflecting layer, and color of the object to be irradiated is changed by switching light emitted from the light source unit.

An object of the present invention is to provide a decorative sheet exhibiting high lustrousness even when observed from a direction deviated from a specular reflection of illumination light, and a liquid crystal display device and an automobile interior material each using the decorative sheet. The object is achieved by a decorative sheet including a cholesteric liquid crystal layer having wavelength-selective reflectivity and satisfying Expression (1),

R[45,20](1)/R[45,20](2)5Expression (1).

A color polarizing film including a first layer including a first polymer and a first dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm and a second layer including a second polymer and a second dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the second layer is disposed on the first layer, wherein a polarization axis of the first layer and a polarization axis of a second layer cross each other, and wherein the color polarizing film exhibits a maximum absorption wavelength (?.sub.max) in a wavelength range of about 380 nm to about 780 nm.

A display module including a display panel and an image color switch film is provided. The image color switch film is disposed above or below the display panel. In a viewing angle at least in a range of 45 degrees to 85 degrees, a peak of a transmittance spectrum of the image color switch film falls within a range of 400 nanometers (nm) to 600 nm, and an average transmittance of the transmittance spectrum within a range of 450 nm to 600 nm is greater than an average transmittance of the transmittance spectrum within a range of 650 nm to 800 nm.

A polarizing plate is provided, which comprises a polarizing layer absorbing incident light in a first direction and transmitting incident light in a second direction perpendicular to the first direction, first and second support layers respectively formed on a lower surface and an upper surface of the polarizing layer, and an adhesive layer formed on a lower surface of the first support layer, wherein the adhesive layer is mixed with a dye. A polarizing plate is further provided, which comprises a polarizing layer absorbing incident light in a first direction and transmitting incident light in a second direction perpendicular to the first direction, first and second support layers respectively formed on a lower surface and an upper surface of the polarizing layer, and an adhesive layer formed on a lower surface of the first support layer, and further comprises at least one color layer formed on the adhesive layer and mixed with a dye.

The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.