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 color shift compensation method, a display panel and a display device are provided. The color shift compensation method includes: acquiring color shift information generated with respect to a test region of a test display panel when the test region is viewed at a first viewing angle, at least a part of first subpixel units within the test region being provided with a test aperture ratio; and controlling, in accordance with the color shift information, at least a part of second subpixel units within a target region of a to-be-manufactured target display panel to be provided with a target aperture ratio being different from the test aperture ratio, to improve color shift within the target region when the target region is viewed at the first viewing angle, wherein a position of the target region on the target display panel is same as a position of the test region on the test display panel, and positions of at least the part of second subpixel units within the target region are same as positions of at least the part of first subpixel units within the test region.

A display device includes a display panel having a folding area and a non-folding area, a first lower adhesive layer disposed under the display panel in the folding area and the non-folding area and having a first thickness, and a second lower adhesive layer disposed under the first lower adhesive layer in the folding area and the non-folding area and having a second thickness greater than the first thickness.

A method for manufacturing a display device is provided. A process of forming an inspection pattern, in which a protective film unit is partially removed in a thickness direction, in a pad area portion of the protective film unit, which corresponds to a pad area of a display unit, may be performed, and then, a process of delaminating the pad area portion of the protective film unit may be performed. A process of checking whether the inspection pattern exists may be performed to check whether the delamination has succeeded, and, at the same time, a process of measuring distances from an alignment mark to each of a long side and a short side of the display unit may be performed.

An organic light emitting display device is disclosed, which comprises an anode electrode provided in a light emitting area on a substrate having a plurality of pixels, each pixel including a light emitting area and a transmissive area; an organic light emitting layer on the anode electrode; a cathode electrode on the organic light emitting layer; an auxiliary electrode connected with the cathode electrode; and a connection electrode connected with the anode electrode and provided in the transmissive area of the substrate.

The present disclosure provides a method and a device for abnormal data processing. The method includes: acquiring a queue of data to be detected, wherein the queue of data to be detected comprises M data arranged sequentially, M being a positive integer; filtering the queue of data to be detected with a filtering algorithm in at least two different orders respectively, wherein a window used in the filtering algorithm has a size of N, N being a positive integer smaller than M; determining abnormal data in the queue of data to be detected according to the filtering result; and performing data replacement on the abnormal data according to a preset rule.

In a printing method, at least one image of a substrate supported in a printing system is acquired. An actual position of a first alignment feature on the substrate in a frame of reference of the printing system is determined based on the at least one image. Expected positions of second alignment features on the substrate are determined based on the actual position of the first alignment feature. Actual positions of the second alignment features in the frame of reference of the printing system are determined based on the at least one image and the expected positions of the second alignment features. Target positions of print regions on the substrate are determined based on the actual positions of the second alignment features. Ejection of print material onto the substrate in the print regions is controlled based on the target positions of the print regions.

A display device includes a first light emitting element on a first substrate and overlapping a first effective pixel area; test light emitting elements on the first substrate and overlapping the test pixel area; a first color filter on a second substrate and overlapping the first light emitting element; a first wavelength conversion pattern on the first color filter and overlapping the first color filter and the first light emitting element; a first test color filter on the second substrate and overlapping one of the test light emitting elements; and a first test wavelength conversion pattern on the second substrate and overlapping another one of the test light emitting elements. The first test wavelength conversion pattern and the first wavelength conversion pattern include a same first wavelength conversion material, and the first test color filter and the first color filter include a same first color colorant.

A display device includes a substrate including a display area and a peripheral area, an inspection terminal in the peripheral area and configured to transmit an inspection signal to the display area, an inspection wiring that connects the display area to the inspection terminal, a semiconductor resistor connected to each of the inspection terminal and the inspection wiring, an insulating film, and a planarization layer including a terminal opening. The planarization layer covers at least one end of the inspection terminal and the inspection terminal exposes a portion of the inspection terminal. The semiconductor resistor is below the inspection terminal, with an insulating film therebetween, and is in contact with the inspection terminal through a first contact hole defined in the insulating film. A portion of the semiconductor resistor is overlapped by the terminal opening.

Disclosed are a flexible display panel, a flexible display device and a deformation detection method thereof, used for detecting deformation of the flexible display panel. The flexible display panel provided by embodiments of the present disclosure includes a flexible substrate, a display device and a piezoelectric sensor arranged in a stacked mode. The piezoelectric sensor includes a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; the piezoelectric sensor is configured to generate an electrical signal under the action of stress produced by bending the flexible display panel; and a signal processing chip in the flexible display device is configured to determine deformation parameters of the flexible display panel according to the electrical signal.