Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.

A field-effect transistor includes a substrate; a source electrode, a drain electrode, and a gate electrode that are formed on the substrate; a semiconductor layer by which a channel is formed between the source electrode and the drain electrode when a predetermined voltage is applied to the gate electrode; and a gate insulating layer provided between the gate electrode and the semiconductor layer. The gate insulating layer is formed of an amorphous composite metal oxide insulating film including one or two or more alkaline-earth metal elements and one or two or more elements selected from a group consisting of Ga, Sc, Y, and lanthanoid except Ce.

Provided is an electrochromic display device, including: a pair of electrodes facing each other; an electrochromic layer provided to one of the pair of electrodes: and an electrolytic solution layer provided between the electrodes facing each other, wherein the electrochromic display device includes an yttrium-containing metal oxide layer between the electrochromic layer and the electrode to which the electrochromic layer is provided.

A display panel, a fabricating method thereof, and a display device are disclosed, which relate to the field of display technology. The display panel comprises an array substrate, an assembly substrate, and a liquid crystal layer arranged between the array substrate and the assembly substrate. The display panel has a totally transmissive mode and a totally reflective mode. An electrochromic reflective layer is arranged on a side of the array substrate close to the liquid crystal layer, and is configured to reflect external ambient light in the totally reflective mode and to exhibit a transparent state to completely transmit light in the totally transmissive mode.

The present disclosure proposes a liquid crystal display (LCD), a liquid crystal display module, and a thin film transistor (TFT) array substrate. The TFT array substrate includes a plurality of array units. Each of array units includes a pixel electrode, a common electrode, and two TFTs. One terminal of each of the two TFTs are connected to a data line and a gate line respectively, and the other terminal of each of the two TFTs are connected to the pixel electrode. One of the two TFTs is configured to control display of an image, and the other TFT is configured to control the touch function.

An array substrate and a liquid crystal display (LCD) panel thereof are described. The array substrate includes a bottom substrate; a thin film transistor disposed on the bottom substrate; a first passivation layer disposed on the thin film transistor and comprising a first opening which exposes the drain electrode region of the thin film transistor; a color resist layer disposed on the first passivation layer and configured to form a color filter, wherein the color resist layer comprises a second opening corresponding to the first opening to expose the drain electrode region of the thin film transistor; a pixel electrode layer disposed on the color resist layer and formed by electrically connecting the first opening and the second opening to the drain electrode region of the thin film transistor; and a second passivation layer disposed on the pixel electrode layer.

An array substrate and a manufacturing method. The method includes: patterning the first metal layer through a first mask to form a gate electrode and a first conductive layer which are disposed at an interval; patterning the semiconductor and the gate insulation layer through a second mask to form a through hole for revealing the first conductive layer; patterning the semiconductor layer through the gate electrode and the first conductive layer to form a first channel and a second channel region which are disposed at an interval; patterning the second metal layer through a third mask to form a source electrode, a drain electrode and a second conductive layer which are disposed at intervals; wherein, the second conductive layer is contacted with the first conductive layer through the through hole. Accordingly, the gate insulation and the semiconductor layer are patterned through one mask to reduce the production cost.

Provided is an electrochromic display device including a display panel including a plurality of pixels configured to display an image on a basis of a unit frame defined as first to third sub-frames, a timing controller configured to output a data signal and an off signal, and a data driving circuit configured to provide, to the pixels, a data voltage generated based on the data signal during the second sub-frame and provide, to the pixels, an off voltage generated based on the off signal during the third sub-frame, wherein each of the pixels includes an electrochromic element, and a power supply voltage is delivered to the electrochromic element in response to the data voltage during the second sub-frame and the power supply voltage provided to the electrochromic element is blocked in response to the off voltage during the third sub-frame.

A display device that may compensate for characteristic deviations among pixels and impact picture quality is provided. The display device includes a plurality of pixels, a plurality of sensing lines connected to the pixels, a sensing circuit configured to extract characteristic information of the pixels through the sensing lines. The sensing circuit includes a plurality of analog-to-digital converters (ADC) to convert the characteristic information into digital sensing data and to output the digital sensing data. A compensating circuit is configured to compare output values of the plurality of ADCs, to set a correction value, and to convert first data into second data based on the sensing data and the correction value. A data driver is configured to generate data signals corresponding to the second data and to output the data signals to the pixels.

The present invention provides an electrochromic device including a pair of electrodes and an electrochromic layer disposed between the pair of electrodes and containing different electrochromic materials having the same polarity, wherein in the case where two materials are selected from the different electrochromic materials having the same polarity in descending order of maximum absorbance in a color-display mode of the electrochromic layer and where the diffusion coefficients of the molecules of the two materials are compared with each other in the color-display mode, a smaller diffusion coefficient D.sub.2min, a larger diffusion coefficient D.sub.2max, and maximum absorbance H.sub.2 of the molecules of the electrochromic material having the diffusion coefficient D.sub.2max in the color-display mode satisfy Formula (5).
1D.sub.2max/D.sub.2min(1+0.146/H.sub.2).sup.2(5)