The embodiments of the present disclosure provide a display substrate, a display device, and a detection method for the display substrate. The display substrate includes: a base substrate including a display region and a peripheral region located on at least one side of the display region; a crack stopper located in the peripheral region and configured to prevent a crack from propagating toward the display region; an encapsulation structure disposed on the base substrate and covering the display region; and a crack detection structure disposed on the base substrate, wherein the crack detection structure is located on a side of the crack stopper facing the display region, an orthographic projection of the crack detection structure on the base substrate falls within an orthographic projection of the encapsulation structure on the base substrate, and the crack detection structure is configured to detect whether a crack exists in the encapsulation structure.

A method for operating a photovoltaic module in which the photovoltaic module has at least one perovskite solar cell. The method includes temporarily operating the photovoltaic module at the maximum power point by a control device connected to the photovoltaic module, wherein the drawing of electrical energy is interrupted when the irradiance of electromagnetic radiation impinging on the photovoltaic module falls below a predetermined threshold value. A photovoltaic device includes a photovoltaic module having at least one perovskite solar cell, and a control device connected to the photovoltaic module.

A display device includes a display panel including an opening and a plurality of pixels that display an image, a crack detection line disposed along a periphery of the opening, and a plurality of data lines connected to the plurality of pixels. The crack detection line is connected to one of the plurality of data lines, and detects a crack at the periphery of the opening through a single pixel array connected to the one of the plurality of data lines.

A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (OLED) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered.

The present invention provides a method for testing performance of thin-film encapsulation. Through different combination designs of film layers, lateral water vapor intrusion paths of various thin films or encapsulation structures are formed, thereby obtaining a means to inspect a lateral water vapor and oxygen barrier capacity of thin films and provide a highly effective inspection means for encapsulation of display panels.

A display panel, methods for manufacturing and detecting the display panel and a display device are provided. The display panel includes: a substrate, including a display region and a circuit region; multiple signal line terminals in the circuit region, coupled with signal lines respectively; multiple switch elements in the circuit region, first terminals of the switch elements are coupled with the signal line terminals respectively; multiple leads located in the circuit region and on a side of the signal line terminals distal to the display region, spaced apart from each other along a first direction, extending along a second direction, first ends of the leads are coupled with the second terminals of the switch elements respectively, second ends of the leads in the second direction extend to an edge of the substrate, each switch element is configured to connect or disconnect the first terminal and the second terminal thereof.

A display device is provided. The display device includes: a substrate including a display area including pixels at which an image is displayed and a peripheral area at which the image is not displayed, the peripheral area disposed outside the display area. In the peripheral area, the display device further includes: a plurality of thin film transistors connected to the pixels and with which operation of the pixels is tested, the thin film transistors including gate electrodes arranged separated from each other on the substrate; and a bridge wiring electrically connecting adjacent gate electrodes of the plurality of thin film transistors to each other.

The present technology relates to a signal processing device, a signal processing method, and a display device for enabling more appropriate improvement of hold blur. There is provided a signal processing device including a detection unit that analyzes a video signal of content and detects an index that correlates with hold blur, a first calculation unit that calculates a light emission duty value of a self-luminous display panel on the basis of the detected index, and a second calculation unit that calculates a gain for luminance compensation on the basis of the calculated light emission duty value. The present technology can be applied to, for example, a self-luminous display device.

A display device is provided in an embodiment in the disclosure, including a subpixel region, a spacer, a light-emitting element, and a driving circuit. The spacer separates the subpixel region into a first region and a second region. The light-emitting element is located in at least one of the first region or the second region. The driving circuit is electrically connected to the first region and the second region, so as to drive the light-emitting element. A manufacturing method of the display device is also disclosed.

A method of manufacturing a display apparatus, the method includes supplying, from an ejector, a droplet onto a plane, capturing an image of the droplet, calculating a first luminance of a first area of the plane, the first area including a planar area of the droplet, and calculating a concentration of particles contained in the droplet based on the first luminance.