The present disclosure provides a display panel and a display device. The display panel includes a first substrate and a second substrate, arranged opposite to each other to form a cell; a light-reflective pattern, formed on a side of the first substrate facing the second substrate; and a light guiding medium, arranged between the first substrate and the second substrate, and configured to guide incident light from the second substrate to the light-reflective pattern, so as to enable the incident light to be reflected by the light-reflective pattern to form reflecting light and guide the reflecting light to exit out of the second substrate.

A liquid crystal display includes: a liquid crystal panel including a liquid crystal layer, a pixel electrode, and a common electrode; and a backlight unit including a light source to provide light to the liquid crystal panel. The pixel electrode includes a longitudinal electrode having a bar shape and extending in a vertical direction; a transverse electrode having a bar shape, crossing the longitudinal electrode, and extending in a horizontal direction; and a branch electrode having a bar shape, extending from the longitudinal or transverse electrode, and including an oblique part extending in an oblique direction. The common electrode overlaps the longitudinal electrode, and a longitudinal opening extending in the vertical direction is defined in the common electrode, and a width of a part of the pixel electrode where the longitudinal and the transverse electrodes cross each other is substantially the same as a width of the transverse electrode.

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 method of manufacturing a display device includes disposing a polarizing layer on one surface of a display panel including a thin film transistor and a pixel electrode; cutting the polarizing layer using a cutting laser beam such that a side of the polarizing layer and a side of the display panel correspond to each other; applying a conductive paste on the side of the display panel; and patterning the conductive paste using a patterning laser beam.

A vehicular electrochromic rearview mirror assembly includes a base for attaching at a vehicle, a mirror casing at the base, and a mirror reflective element sub-assembly at the mirror casing and including an electrochromic (EC) cell and an EC driving circuit. The EC driving circuit includes a fixed voltage switching regulator for providing voltage to a power input of the EC cell, a drive transistor connected to an output of the fixed voltage switching regulator for switching the provided voltage on and off, a protection diode connected to the drive transistor and the EC cell, a bleach transistor connected to the power input of the EC cell and to ground, and a controller connected to the fixed voltage switching regulator, the drive transistor, and the bleach transistor. The controller controls the fixed voltage switching regulator, the drive transistor, and the bleach transistor to control the voltage provided to the EC cell.

A pixel structure and a driving method thereof, a display panel and a display device are provided. The pixel structure includes a pixel electrode, a gate line, a data line, a first thin film transistor and a second thin film transistor. A gate electrode of the first thin film transistor is electrically connected with the gate line, a first electrode of the first thin film transistor is electrically connected with the data line, a gate electrode of the second thin film transistor is electrically connected with a first electrode of the second thin film transistor, the first electrode of the second thin film transistor is electrically connected with the pixel electrode, and a second electrode of the second thin film transistor is electrically connected with a second electrode of the first thin film transistor.

A method of manufacturing a display substrate includes: forming a switch unit on a base substrate; forming a planarization layer on one side of the switch unit away from the base substrate, wherein a region, corresponding to an output electrode, of the planarization layer is provided with a planarization layer via hole, and an orthographic projection of the planarization layer via hole onto the base substrate is located within an orthographic projection region of the output electrode onto the base substrate; etching a surface of a region, corresponding to the planarization layer via hole, of the output electrode; and forming a pixel electrode on one side of the planarization layer away from the switch unit, wherein the pixel electrode is in contact with the output electrode through the planarization layer via hole.

The disclosure discloses a reflective electrochromic display panel, and the reflective electrochromic display panel includes: an upper substrate, a common electrode layer, an electrochromic layer, a pixel electrode layer and a lower substrate sequentially arranged from top to bottom. The electrochromic layer includes a red electrochromic layer, a green electrochromic layer and a blue electrochromic layer. The electrochromic layers reflecting corresponding lights upon receiving a voltage, and the reflection light of the electrochromic layers is zero when no voltage is received. The display panel of the disclosure is equipped with an electrochromic layer, and the different voltage characteristics of the electrochromic layer are used to improve the utilization of light and visual angle limitation of the display panel, thereby improving the performance of the liquid crystal display.

An electrochromic device includes a charge balancing thin film comprised of a new vanadium oxide with a formula of VO.sub.x, which provides a high charge density, low coloration efficiency, an electroactive voltage in close proximity to those of some electrochromic materials, and high chemical and electrochromic stability. Vanadium oxide can be without doping or doped with others. The VO.sub.x charge balancing thin film has a porous nanostructure and is amorphous or a combination of amorphous and polycrystalline, and can work with electrochromic conjugated polymer in the device in a minimally color changing mode. A method to design a material for a charge balancing thin film to pair with a working electrode and obtain a low device voltage in an electrochromic device is disclosed. Methods to prepare related charge balancing thin films are also disclosed.

Provided are an array substrate, a liquid crystal display panel, and a pixel charging method. The array substrate comprises: a plurality of pixel units distributed in a matrix, a first thin-film transistor, and a second thin-film transistor; the first thin-film transistor and the second thin-film transistor corresponding to each pixel unit; each pixel unit comprising a first specific sub-pixel unit, the first specific sub-pixel unit comprising a first pixel electrode and a second pixel electrode insulated from the first pixel electrode; for each pixel unit, a drain electrode of the first thin-film transistor electrically connected with the first pixel electrode, a drain electrode of the second thin-film transistor electrically connected with the second pixel electrode. The present technical solution is mainly for use in the eye protection mode of liquid crystal display products, for improving picture smear problem caused by increase of response time of liquid crystal.