A liquid crystal display device having a touch panel function includes an array substrate, a liquid crystal layer including a liquid crystal molecule, and a color filter substrate positioned over the array substrate via the liquid crystal layer. The color filter substrate includes a transparent substrate, first and second transparent electrode layers, a color filter formed on the first transparent electrode layer and including a red filter, a green filter and a blue filter, and a transparent resin layer formed on the color filter. The color filter and the transparent resin layer have a total thickness in a range of approximately from 2.5 μm to 9 μm. The liquid crystal molecule has negative dielectric anisotropy and an initial state alignment which is parallel to a substrate surface. The liquid crystal molecule rotates within a plane parallel to the substrate surface when a liquid crystal drive voltage is applied.

The present invention provides a liquid crystal display device in a new display mode that is based on the horizontal alignment capable of giving a wide viewing angle and that can achieve high speed response. The liquid crystal display device includes: a first substrate that includes a pair of electrodes; a second substrate that includes a pixel electrode and a common electrode; and a liquid crystal layer that contains liquid crystal molecules aligned horizontally, at least one of the pair of electrodes including a first linear portion that extends in a first direction, at least one of the pixel electrode and the common electrode including a second linear portion that extends in a second direction intersecting the first direction, the liquid crystal molecules being aligned in a direction perpendicular or parallel to the first direction in a first display state in which voltage is applied between the pair of electrodes but voltage is not applied between the pixel electrode and the common electrode, the liquid crystal molecules being aligned in a direction different from the alignment direction of the first display state, in a second display state in which voltage is applied between the pair of electrodes and voltage is applied between the pixel electrode and the common electrode.

To further reduce time necessary to eliminate the problem caused by static electricity. The liquid crystal display apparatus includes a plurality of unit display regions and the plurality of unit display regions are arranged along a first direction spaced from one another. At least one of a plurality of first electrodes has a plurality of electrode parts corresponding to each of the plurality of unit display regions and are mutually separated and arranged apart from one another in the first direction, a plurality of first lead wirings where each first lead wiring extends in the direction different from the first direction and extends outside an inner area, and a first crossover wiring disposed outside the inner area and mutually connects the plurality of first lead wirings.

The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a negative liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The present invention discloses a negative dielectric nematic liquid crystal composition, comprising a compound represented by Formula I, one or more compounds represented by Formula II, and one or more compounds represented by Formula III. The liquid crystal composition has a relatively low rotational viscosity (γ.sub.1), a high clearing point (Cp), a good solubility and a high stability to heat and light (VHR) on the basis of maintaining an appropriate optical anisotropy (Δn), and can be used for developing a liquid crystal display element or liquid crystal display with a low cell thickness, a wide temperature for display, and a fast response.

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An optically active structure and a display device are presented. The device utilized an optically active structure comprising liquid crystal material and a plurality of nanorods configured to emit light in one or more predetermined ranges in response to pumping light. Variation in orientation of the liquid crystal varies orientation of the nanorods and modulated light emission therefrom.

Provided is an optical element including: a liquid crystal cell including a first substrate, a liquid crystal layer, and a second substrate; and a quarter-wave film. The liquid crystal layer contains liquid crystal molecules twist-aligned. The liquid crystal cell includes electrodes. The electrodes are disposed to enable switching between a first state and a second state by application of voltage to the liquid crystal layer. The switching between the first state and the second state controls a polarization state of light incident on the liquid crystal cell. Circularly polarized light incident on the liquid crystal cell is converted to first linearly polarized light in the first state while converted to second linearly polarized light in the second state. Linearly polarized light incident on the liquid crystal cell is converted to first circularly polarized light in the first state while converted to second circularly polarized light in the second state.

A liquid crystal display panel (100A, 100B) includes a transverse electric field mode liquid crystal cell (10), a first polarizing plate (22A, 22B) disposed on a back surface side of the liquid crystal cell (10), and a second polarizing plate (24A, 24B) disposed on a viewer's side of the liquid crystal cell (10). A liquid crystal layer (18) contains a nematic liquid crystal whose dielectric anisotropy is negative. The liquid crystal layer (18) has And of less than 550 nm, where Δn is the birefringent index of the nematic liquid crystal and d is the thickness of the liquid crystal layer. The liquid crystal layer (18) is in a twist alignment state when no voltage is applied. When polarized light whose Stokes parameter S3 takes on an absolute value |S3| of 1.00 enters the liquid crystal layer (18), |S3| of polarized light having perpendicularly passed through the liquid crystal layer (18) is 0.85 or greater. The first polarizing plate (22A, 22B) and the second polarizing plate (24A, 24B) are circularly polarizing plates or elliptically polarizing plates whose ellipticity is 0.422 or greater.

According to one embodiment, a display device includes a first polarizing element, a second polarizing element, and a light-modulating layer located between the first polarizing element and the second polarizing element, each of the first polarizing element and the second polarizing element includes a guest-host liquid crystal layer and a control electrode in an active area including at least one sub-area, the guest-host liquid crystal layer including dye having anisotropy in absorptive power for visible light, the control electrode controlling an alignment direction of the dye in the sub-area.

A display panel and a method for fabricating the same are provided. The display panel includes a first substrate, a first protrusion, a first liquid crystal layer, a third liquid crystal layer, a second liquid crystal layer, a second protrusion, and a second substrate in order from top to bottom. The first liquid crystal layer, the second liquid crystal layer, and the third liquid crystal layer include negative type liquid crystal molecules. An absolute value of a dielectric anisotropy parameter of the liquid crystal molecules in the first liquid crystal layer and an absolute value of a dielectric anisotropy parameter of the liquid crystal molecules in the second liquid crystal layer are both greater than an absolute value of a dielectric anisotropy parameter of the liquid crystal molecules in the third liquid crystal layer.

A transmissive screen is capable of switching between a transmissive state for transmitting light and a reflective state for reflecting light, and includes a first transparent substrate and a second transparent substrate that are disposed face to face, a first transparent electrode and a second transparent electrode that are sandwiched between the first and second transparent substrates, a first alignment film and a second alignment film that are sandwiched between the first and second transparent electrodes, and a liquid crystal layer that is sandwiched between the first and second alignment films. The liquid crystal layer includes liquid crystal molecules and a polymeric material. The first alignment film has a first rubbing axis, and the second alignment film has a second rubbing axis. An angle between the first rubbing axis and the second rubbing axis is from 150° to 210° inclusive. The liquid crystal molecules have a negative dielectric anisotropy.