Abstract: A plurality of reflection films are provided behind a liquid crystal layer of a liquid crystal element, corresponding to predetermined regions in the plural pixels Pix. By the regions of the plural pixels wherein the reflection films are provided, reflection parts Pr are formed that reflects the light that enters from the front side and goes out to the front side by the region where the reflection film is provided, and transmission parts are formed that transmits the light that enters from the back side and goes out to the front side by the other regions of the plural pixels. At the same time, color filters, wherein a plurality of apertures are formed to the parts corresponding to the reflection pars Pr of the pixels Pix, are provided respectively corresponding to the plural pixels Pix, and a planarization transparent film covering the aperture is formed on these color filters.

Abstract: A liquid crystal display device has an opposing substrate on which an opposing electrode is formed, a TFT substrate on which pixel electrodes arranged in matrix, thin film transistors connected to the pixel electrodes respectively, and gate lines and data lines for the thin film transistors are formed, vertical alignment films formed on the opposing inner surfaces of these substrates, and a liquid crystal layer disposed between the vertical alignment films and having negative dielectric anisotropy. Each pixel electrode has a slit formed for separating each pixel into a plurality of sub-pixels by partially eliminating the pixel electrode with a connecting portion left at which adjoining electrode portions of each pixel electrode is connected with each other. The width W1 of the pixel electrode that runs in a direction in which the slit is formed and width W2 of the connecting portion have a ratio W2/W1 of 0.13 or lower.

Abstract: A vertical-alignment liquid crystal display device is constituted by a first substrate on which a first electrode is formed, a second substrate on which a second electrode opposed to the first electrode is formed and which is opposed to the first substrate, alignment films respectively on mutually opposing inner surfaces of the first and second substrates, and a liquid crystal layer sealed between the first and second substrates and having negative dielectric anisotropy. On the second electrode, dielectric films having a dielectric constant different from another dielectric constant of the liquid crystal layer in the layer thickness direction of the liquid crystal layer when a voltage is applied between the first and second electrodes are provided at positions respectively corresponding to the center portions of plural pixels.

Abstract: A vertical-alignment liquid crystal display device includes: one substrate on which plural pixel electrodes and thin film transistors (TFTs) corresponding to the pixels, scanning signal lines for supplying gate electrodes of these TFTs with a gate signal, and data signals lines for supplying drain electrodes of the TFTs with data signals are provided; an opposing substrate on which an opposing electrode opposed to the pixel electrodes is provided; vertical-alignment films covering surfaces of the respective substrates where electrodes are formed; and a liquid crystal layer sealed between these substrates and having a negative dielectric constant. On the inner surface of the one substrate, auxiliary electrodes to generate electric fields of a predetermined value between the auxiliary electrodes and the opposing electrode provided on the inner surface of the other substrate are provided respectively corresponding to those portions around the plural pixel electrodes that are close to at least the TFTs.

Abstract: A liquid crystal display device comprises a TFT substrate where TFTs are formed, an opposing substrate (CF substrate), a liquid crystal with a negative dielectric anisotropy filled between both substrates, a pixel electrode, and an auxiliary electrode formed around the pixel electrode. The pixel electrode has a recess portion formed by etching a gate insulation film. The liquid crystal molecules are aligned tilted toward the center of a pixel according to the shape of the recess portion.

Abstract: A liquid crystal display device comprises a TFT substrate, a CF substrate, a liquid crystal with negative dielectric anisotropy filled between the substrates, a pixel electrode provided on the TFT substrate, and an auxiliary electrode formed around the pixel electrode. A slit for segmenting a pixel region into a plurality of sub-pixel regions is formed in the pixel electrode from the center portion of each pixel toward the periphery portion thereof. The auxiliary electrode has a transparent step film formed at a position corresponding to the slit of the pixel electrode in such a way as to overlie the auxiliary electrode. Molecules of the liquid crystal of each sub-pixel region are aligned toward center of the sub-pixel region from the circumference of the sub-pixel region by a horizontal electric filed applied between the pixel electrode and auxiliary electrode, and the shape of the end portion of the transparent step film.

Abstract: In a liquid crystal display device, a liquid crystal with the negative dielectric anisotropy filled between a TFT substrate and a CF substrate, and the TFT substrate has a pixel electrode and an auxiliary electrode formed around the pixel electrode. The pixel electrode is a transparent electrode comprising an ITO layer, and has a slit formed from the center portion of each pixel toward the periphery portion thereof, for segmenting a pixel region into a plurality of sub-pixel regions. A recess portion for forming the center of the alignment of liquid crystal molecules is formed on the center of each segmented sub-pixel region. The liquid crystal of the sub-pixel region is aligned toward the center of the sub-pixel region by a horizontal electric filed applied between the pixel electrode and the auxiliary electrode, and, an oblique electric field generated at the edge of the slit.

Abstract: A liquid crystal with a negative dielectric anisotropy is filled between a pair of substrates, on one of which an opposing electrode is provided while pixel electrodes and an auxiliary electrode formed around the pixel electrode are provided. The pixel electrode is a transparent electrode comprising an ITO layer, and is formed with a slit for segmenting a pixel region into a plurality of sub-pixel regions. The slit is formed from the center portion of each pixel toward and the peripheral portion thereof. The auxiliary electrode is also formed under the pixel electrode at a position which corresponds to the slit. Liquid crystal molecules of each sub-pixel region are so aligned as to tilt toward the center of the sub-pixel region when a voltage is applied between the pixel electrode and the opposing electrode.

Abstract: A plurality of reflection films are provided behind a liquid crystal layer of a liquid crystal element, corresponding to predetermined regions in the plural pixels Pix. By the regions of the plural pixels wherein the reflection films are provided, reflection parts Pr are formed that reflects the light that enters from the front side and goes out to the front side by the region where the reflection film is provided, and transmission parts are formed that transmits the light that enters from the back side and goes out to the front side by the other regions of the plural pixels. At the same time, color filters, wherein a plurality of apertures are formed to the parts corresponding to the reflection pars Pr of the pixels Pix, are provided respectively corresponding to the plural pixels Pix, and a planarization transparent film covering the aperture is formed on these color filters.