An electro-optical device. The electro-optical device includes an pixel electrode that applies the electric field to the electro-optical layer, a transistor that includes a semiconductor layer including a drain region, a capacitance element that includes a first capacitance electrode and a second capacitance electrode, an electrode contact coupled to the pixel electrode, and a drain relay electrode electrically coupled to the drain region. The pixel electrode contact is coupled to the second capacitance electrode and the drain relay electrode.

The present application provides a pixel structure and a display panel. Each of a plurality of sub-pixel units includes a main sub-pixel, at least one secondary sub-pixel, and a thin film transistor electrically connecting the main sub-pixel and the at least one secondary sub-pixel, wherein by controlling a pretilt angle of a first branch electrode of the main sub-pixel to be different from a pretilt angle of a second branch electrode of the secondary sub-pixel, a driving voltage of the main sub-pixel and a driving voltage of the secondary sub-pixel are different, so that color shift can be effectively alleviated and wider viewing angles can be obtained, thus being beneficial to improve an aperture ratio and light transmission of the pixel structure.

It is an object to provide a liquid crystal display device which has excellent viewing angle characteristics and higher quality. The present invention has a pixel including a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.

A display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer includes a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer includes a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.

According to an embodiment of the present invention, an active matrix substrate (100) includes a display region (DR) defined by a plurality of pixel regions (P) arranged in a matrix and a peripheral region (FR) located around the display region. The active matrix substrate includes a substrate (1), a first TFT (10), and a second TFT (20). The first TFT is supported by the substrate and disposed in the peripheral region. The second TFT is supported by the substrate and disposed in the display region. The first TFT includes a crystalline silicon semiconductor layer (11), which is an active layer. The second TFT includes an oxide semiconductor layer (21), which is an active layer. The first TFT and the second TFT each have a top-gate structure.

A LCD device having a large pixel holding capacitance includes opposedly facing first and second substrates, and liquid crystal between them. The first substrate includes a video signal line, a pixel electrode, a thin film transistor having a first electrode connected to the video signal line and a second electrode connected to the pixel electrode, a first silicon nitride film formed above the second electrode, an organic insulation film above the first silicon nitride film, a capacitance electrode above the organic insulation film, and a second silicon nitride film above the capacitance electrode and below the pixel electrode. A contact hole etched in both the first and second silicon nitride films connects the second electrode and the pixel electrode to each other. A holding capacitance is formed by the pixel electrode, the second silicon nitride film and the capacitance electrode.

A display device includes a plurality of pixel electrodes disposed so that the numbers of pixel electrodes arranged in a column-wise direction vary according to locations in a row-wise direction, a plurality of image lines having lengths corresponding to the numbers of pixel electrodes arranged in the column-wise direction, a common electrode partially disposed in an area outside the display area, a common wire supplies a common potential signal to the common electrode, a plurality of image lead wires drawn from the plurality of image lines into the area outside the display area and disposed to intersect the common wire, and a plurality of capacitance forming sections connected to the plurality of image lead wires in the area outside the display area and disposed to overlap at least either the common electrode or the common wire via at least either of insulating films.

An electro-optical device includes a first substrate including a plurality of pixel electrodes, a second substrate including a common electrode, and an electro-optical layer disposed between the plurality of pixel electrodes and the common electrode, optical characteristics of the electro-optical layer changing according to an electric field. One of the first substrate and the second substrate includes a base material composed of an inorganic material and having insulating and transmission properties, and a light shielding portion having light shielding properties and including a first film containing tungsten silicide, a second film containing titanium nitride or tungsten nitride, and a third film containing tungsten. The first film, the second film, and the third film are disposed in this order from the base material.

A dimmer includes a liquid crystal (LC) panel and a driving circuit. The LC panel has a plurality of LCs doped with dichroic dye. The LC panel comprises a plurality of pixels. The driving circuit is electrically connected to the LC panel, and configured to control driving of the pixels of the LC panel. At least one of the pixels has a storage capacitor and an LC capacitor coupled in parallel. A ratio of a capacitance value of the LC capacitor to a capacitance value of the storage capacitor is greater than 10:1. The driving circuit is configured to control an LC angle of LCs in each of the pixels, and the dichroic dye is driven by surrounding LCs and presents an angle correlated with the LC angle of the surrounding LCs.

A flat panel display having an improved picture quality is disclosed. In one embodiment, a first pixel electrode and a second pixel electrode are formed in each subpixel area. The electrodes enclose an open space (gap) such that their outer boundary has a substantially rectangular shape. The flat panel display may also include a capacitance electrode coupled to the second pixel electrode to form a coupling capacitor. In use, the coupling capacitor operates such that a magnitude of a voltage applied to the first pixel electrode is lower than an applied data voltage, and a magnitude of a voltage applied to the second pixel electrode is higher than an applied voltage. The different voltages operate such that a tilt direction of LC molecules disposed above the first pixel electrode differs from a tilt direction of LC molecules disposed above the second pixel electrode.