A display device includes a display panel including a plurality of pixels each having a plurality of sub-pixels; and a light path adjustment film on the display panel, wherein the light path adjustment film includes a first base film, and a pattern layer on a surface of the first base film, wherein the pattern layer includes a plurality of first patterns having a first refractive index, and a plurality of second patterns between the first patterns and having a second refractive index less than the first refractive index, and wherein the first pattern includes a top surface spaced apart from the display panel and parallel with the display panel, a bottom surface between the top surface and the display panel, and a slanted surface connecting the top surface and the bottom surface.

A display device includes: a display panel; a driving frequency converter circuit configured to convert a driving frequency according to an input image data. A common voltage controller outputs a common voltage data corresponding to the driving frequency; and a common voltage generator receives the common voltage data to generate a common voltage and outputs the common voltage to the display panel. The common voltage has an inclined waveform within an integer multiple of a frame period.

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 invention disclose an electrochomism display device and a method of fabricating the same, relates to the field of display technology, and the electrochomism display device may effectively suppress the light-leakage phenomenon in the opening region between adjacent electrochomism pixels, thus the display effect of the electrochomism display device is improved. The electrochomism display device comprises a plurality of eletrochromism pixels, each of the eletrochromism pixels comprises a first conductive layer, an eletrochromism layer, and a second conductive layer sequentially formed on a transparent substrate, an opening region is provided between every two adjacent eletrochromism pixels, wherein a thin film transistor is provided in the opening region, and a gate, a source and a drain of the thin film transistor are made of opaque material.

The present application provides a display panel, a fabrication method of a display panel, and a display device. The display panel includes a transparent display panel, and a dimming panel comprising a plurality of pixels for emitting light and is arranged on a side of the transparent display panel. The dimming panel includes an electrochromic layer, an electrolyte layer, and an ion storage layer stacked in sequence. The electrochromic layer and the ion storage layer includes a porous structure, and the dimming panel further includes a first transparent electrode layer disposed on a side of the electrochromic layer away from the electrolyte layer, and the first transparent electrode layer is patterned and disposed corresponding to each pixel.

Embodiments of the present disclosure provide a display panel and a display device which enable adjustment of a light transmittance. The display panel includes a plurality of sub-pixel regions arranged into an array, at least some of the sub-pixel regions each comprising a display region configured for displaying an image and a light transmitting region configured for transparent display, and the light transmitting region is provided therein with a light adjusting device having an adjustable light transmittance.

A reflection type display device includes a color panel including first and second electrodes and color-varying particles of a core-shell structure between the first and second electrodes, wherein the color-varying particles are divided and disposed into first, second and third pixel regions; and a variable light-transmitting panel over the color panel and including third and fourth electrodes and black-varying particles of a core-shell structure between the third and fourth electrodes, wherein the black-varying particles are divided and disposed into the first, second and third pixel regions, wherein the color panel includes a reflection layer reflecting incident light.

A method for controlling an electrochromic device is provided. The method includes applying a constant supply current to the electrochromic device and determining an amount of charge transferred to the electrochromic device, as a function of time and current supplied to the electrochromic device. The method includes ceasing the applying the constant supply current, responsive to a sense voltage reaching a sense voltage limit and applying one of a variable voltage or a variable current to the electrochromic device to maintain the sense voltage at the sense voltage limit, responsive to the sense voltage reaching the sense voltage limit. The method includes terminating the applying the variable voltage or the variable current to the electrochromic device, responsive to the determined amount of charge reaching a target amount of charge.

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.

An array substrate and a manufacturing method therefor. The method comprises: patterning a first metal layer by means of a first photomask so as to form a gate electrode (21) and a first conductor (22) which are arranged at an interval; patterning a semiconductor layer (40) and a gate insulating layer (30) by means of a second photomask so as to form a through hole (23) which Is exposed out of the first conductor (22); patterning the semiconductor layer (40) by means of the gate electrode (21) and the first conductor (22) so as to form a first channel region (43) and a second channel region (44) which are arranged at an interval; and patterning a second metal layer by means of a third photomask so as to form a source electrode (51), a drain electrode (52) and a second conductor (53) which are arranged at intervals, wherein the second conductor (53) is in contact with the first conductor (22) via the through hole (23). By means of the manufacturing method for the array substrate, the semiconductor layer (40) and the gate insulating layer (30) are patterned by means of a photomask, so that the production costs of the array substrate are reduced, bridging between the first conductor (22) and the second conductor (53) is realized using a relatively simple method, and the production efficiency of the array substrate is further improved.