Provided is a display device. A poly-Si layer is disposed on a substrate. A first metal layer is disposed on the poly-Si layer, and a metal oxide layer is disposed on the first metal layer. A second metal layer is disposed on the metal oxide layer. The first metal layer is overlapped with the second metal layer. The first metal layer and the second metal layer may be gate lines connected to different TFTs.

A liquid crystal display device includes a plurality of data lines; a plurality of gate lines and a pixel array including a plurality of subpixels formed of first-color to fourth-color subpixels. The plurality of subpixels has a first arrangement or a second arrangement. The first arrangement is an arrangement in which in each row of the pixel array two of the first-color to fourth-color subpixels is interleaved. The second arrangement is a different arrangement than the first arrangement in which in each row of the pixel array two of the first-color to fourth-color subpixels are interleaved. A data driver is configured to drive the pixel array according to a first driving method when the pixel array has the first arrangement and drive the pixel array according to at least one second driving method that is different from the first driving method when the pixel array has the second arrangement.

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 liquid crystal display includes a first display substrate, a second display substrate facing the first display substrate, and a liquid crystal layer interposed between the first and second display substrates, where the first display substrate includes a lower substrate, a pixel electrode, which is disposed on the lower substrate, and a protrusion pattern, which is disposed on the pixel electrode along an outer edge of the pixel electrode, the second display substrate includes an upper substrate and a light-shielding member, which is disposed on a surface of the upper substrate facing the first display substrate and in which indentation pattern parts are inwardly indented in a plan view, the light-shielding member includes light-shielding parts that are an entirety of the light-shielding member except for the indentation pattern parts, and the indentation pattern parts overlap parts of the pixel electrode.

A pixel circuit is provided which includes a data writing module, a drive module, a control module and an electrochromic device. The data writing module provides a data signal to the control terminal of the drive module under the control of a first control signal. The drive module drives the electrochromic device for color development or color fading according to a power supply voltage signal under the control of the data signal. The control module controls the conduction between the drive module and the electrochromic device on the basis of a second control signal, and the control module controls the conduction so that the conduction is realized later than the change in the power supply voltage signal. The pixel circuit effectively removes interference of the power supply voltage signal, avoids display fluctuations caused by the change in the power supply voltage signal, and further improves the display effect.

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.

An electro-chromic panel includes a detection layer, and an electro-chromic layer configured to switch an operational mode of a selected area according to a signal provided from the detection layer. A method of operating an electro-chromic panel includes detecting a first signal provided to a detection layer, and switching an operational mode of a first area of an electro-chromic layer according to the first signal provided from the detection layer.

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 liquid crystal display device according to the present invention includes an array substrate and a CF substrate. The CF substrate includes a lattice-shaped light shielding pattern between pixel electrodes and a columnar spacer at an intersection of the light shielding patterns. The array substrate and the CF substrate are disposed so as to face each other with a liquid crystal layer interposed therebetween. The intersection includes a portion in which signal lines intersect each other and a portion in which the signal lines do not intersect each other, whereby a step is provided on a surface of the array substrate. The columnar spacer includes a main spacer in the portion in which the signal lines intersect each other and a sub-spacer in the portion in which the signal lines do not intersect each other.

Disclosed are a display substrate and a driving method thereof, and a display device. The display substrate includes a plurality of pixels, a data signal chip and a control unit. Each of the pixels includes a white sub-pixel; the data signal chip is for transmitting a set of data signals to the pixels, the set of data signals including data signals transmitted to the white sub-pixel; and the control unit controls the white sub-pixel to be in a dark state when the data signal chip transmits a predetermined set of data signals to the pixels. When the data signal chip transmits the predetermined set of data signals to the pixels, the display substrate controls the white sub-pixel to be in a dark state.