The present disclosure relates to a package structure, a display panel, a display device, and a method for detecting a package structure. The package structure includes a first package layer and a second package layer disposed opposite to each other, and a sealing element between the first package layer and the second package layer for forming a sealed space between the first package layer and the second package layer. The package structure further includes a detecting element located in the sealed space, the detecting element including an oxygen sensitive material, the oxygen sensitive material including a material whose light emission characteristics are changed after exposure to oxygen.

A foldable display panel, including an active area and a non-active area disposed around the active area, and a deformation layer disposed in the non-active area of the display panel. A material of the deformation layer includes a force-strained material configured to detect a degree of deformation and a cracking defect of the display panel according to a luminous color and brightness of the force-strained material.

A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, and a first lead wire, a first bonding pad, and a first cutting portion located in a bezel area of the substrate. The first bonding pad is arranged on a side of the first lead wire away from the substrate. The first bonding pad is arranged corresponding to the first lead wire and connected with the first lead wire. The first cutting portion is arranged in a same layer as the first bonding pad, spaced apart from the first bonding pad, and formed of same material as the first bonding pad. The first cutting portion is located on a side of the first lead wire away from the display area and connected with the first lead wire.

A mask plate assembly is provided, including a first mask plate and multiple types of first mask strips having different effective evaporation patterns, where the first mask plate includes a first frame and a first support strip arranged between a set of opposite sides of the first frame, a first hollowed-out portion including multiple first holes is arranged in a first region of the first support strip, and the multiple first holes are used for cooperating with the multiple types of first mask strips for evaporation to form different first functional structures.

An organic light emitting diode analyzer is provided to test electrical and spectroscopic characteristics organic light emitting diodes (OLED). The analyzer includes a spectrometer, a luminance and color meter, a header of the luminance and color meter, an OLED a source meter, an OLED holder and a computer. The OLED analyzer is a characterization system to measure the electrical and spectral characteristics and feature of the OLED. The luminance and color meter includes a color sensor, and the luminance and color meter measures a luminance of the OLED, a color temperature of the OLED, and color coordinates of the OLED. The spectrometer measures a wavelength of the OLED, an irradiance, a color index, the color temperature, color coordinates and the irradiance (W/m.sup.2.Math.nm). The source meter applies positive voltages to the OLED, and the source meter measures a current through the OLED.

The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display unit and a bendable unit, the bendable unit being connected to the display unit and bendable to a back of the display unit; a multiplexer on the bendable unit; and a metal shielding portion on a side of the multiplexer away from the base substrate, wherein an orthographic projection of the metal shielding portion on the base substrate covers an orthographic projection of the multiplexer on the base substrate, and the metal shielding portion is connected to a fixed voltage signal to shield signal interference caused by the multiplexer.

The application provides a display panel motherboard and manufacturing method thereof. The display panel motherboard includes display panel forming areas distributed in an array and a test area adjacent to the display panel forming areas. The display panel motherboard includes an array mother substrate; a light-emitting layer, disposed on a surface of a side of the array mother substrate and located in the display panel forming areas; and a test component, disposed on the surface of the array mother substrate and located in the test area, the test component including a test block including a fluorescent layer, disposed on the surface of the array mother substrate and emitting light upon being irradiated by activation light; a target test layer, disposed on the side of the fluorescent layer facing away from the surface; and a positioning reference portion, disposed at a peripheral side of the target test layer.

A transparent display device is disclosed, which may reduce a yellowish phenomenon in a non-display area. The transparent display device comprises a substrate provided with a display area in which a plurality of subpixels are disposed, and a non-display area adjacent to the display area, a gate driver provided in the non-display area over the substrate, including a plurality of stages, a metal line provided between the gate driver and the display area, and a trench provided between the metal line and the display area.

A display device including a display panel that includes a display area including pixels and a non-display area around the display area. The display area may include a flat display area and at least one bending display area, and the display panel includes at least one crack detection line disposed in the at least one bending display area.

An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.