The present disclosure provides an organic light emitting diode (OLED) display panel and a manufacturing method thereof. The OLED display panel includes a substrate having a display area and a plurality of pixel units arranged in an array in the display area. Each of the pixel units includes a pixel opening area, and the pixel opening area can be adjusted according to a luminance of the corresponding pixel unit, so as to ensure uniform display of the OLED display panel.

A display device includes a base substrate, a first transistor, a second transistor, an organic light emitting diode, and a capacitor electrically connected to the first thin film transistor. The first transistor includes a first semiconductor pattern below a first interlayer insulation layer and a first control electrode above the first interlayer insulation layer and below a second interlayer insulation layer. The second transistor includes a second control electrode above the first interlayer insulation layer and below the second interlayer insulation layer. A second semiconductor pattern is above the second interlayer insulation layer.

An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are provided. The OLED display panel includes a folding region and a non-folding region. The folding region includes a first flexible layer, an inorganic layer, a second flexible layer, a buffer layer, a metal wiring layer, a planarization layer, and a pixel defining layer, which are sequentially stacked. A side of the buffer layer opposite to the second flexible layer is provided with holes, and each of the holes is deposited with a first organic filling layer. The metal wiring layer covers a side of the buffer layer and the first organic filling layer, and a cross section of the first organic filling layer of the folding region is formed with a zigzag shape.

A display panel is provided. The display panel includes a thin film transistor array layer, a light-emitting device layer, and a light shielding layer disposed on a substrate in sequence. The light shielding layer is provided with openings corresponding to positions of light-emitting areas of the light-emitting device layer, an organic protective layer is disposed on the light shielding layer, and the openings of the light shielding layer are filled with the organic protective layer having a transparent material. The present disclosure, by removing conventional red, green, and blue color resists which cover the light-emitting areas of the display panel, solves a problem of reduced yield of a color filter functional layer in a plurality of wet etching processes.

The present invention provides a display device, a display panel, and a manufacturing method thereof. The display panel includes an opening area, a peripheral area surrounding at least a part of the opening area, and a display area, wherein the display panel further includes: a thin film transistor substrate; a plurality of ring-shaped retaining walls disposed on a part of the thin film transistor substrate corresponding to the peripheral area, and disposed around the opening area, wherein any one of the ring-shaped retaining walls is provided with at least an opening; and a filling layer disposed in the peripheral area.

The present disclosure provides a display substrate, a method for manufacturing the same, a driving method and a display device. The display substrate includes a base substrate, gate lines, data lines and sub-pixels. The sub-pixels include sub-pixel columns corresponding to the data lines in a one-to-one manner. In a sub-pixel driving circuit of the sub-pixel, a driving transistor and a data writing transistor are located at a first side of an aperture area of the sub-pixel; a sensing transistor is located at a second side of the aperture area of the sub-pixel. The first side and the second side are opposite sides of the aperture area along the extension direction of the data lines. Gate electrodes of sensing transistors in a same sub-pixel row, and gate electrodes of data writing transistors in an adjacent next sub-pixel row, are all coupled to a gate line corresponding to the adjacent next sub-pixel row. There is a first overlapping area between an orthographic projection of a first electrode plate of the storage capacitor to the base substrate and an orthographic projection of a second electrode plate of the storage capacitor to the base substrate; an orthographic projection of the first overlapping area to the base substrate at least partially overlaps an orthographic projection of the corresponding aperture area of the sub-pixel.

The present disclosure provides a stretchable display device. The stretchable display device includes a lower substrate made of a stretchable insulating material and having an active area and a non-active area adjacent to the active area, a plurality of individual substrates spaced apart from each other and disposed in the active area of the lower substrate, pixels disposed on the plurality of individual substrates respectively, and a plurality of connecting lines disposed between the plurality of individual substrates on the lower substrate, and electrically connecting corresponding pads disposed within the plurality of individual substrates respectively. The modulus of the plurality of individual substrates is higher than the lower substrate.

A method of manufacturing a display panel includes providing an insulating substrate that includes a hole area, a display area that surrounds the hole area, and a peripheral area adjacent to the display area, forming a semiconductor pattern in the display area, forming an insulating layer, forming contact holes in the insulating layer that expose portions of the semiconductor pattern, and forming a module hole by etching a portion of the insulating layer and a portion of the insulating substrate that overlap the hole area.

In a display device, a second wiring line extends in a display region and includes an imaginary straight line that extends from the second wiring line in an extension direction of the second wiring line and intersects with an opening of an edge cover. The second wiring line extends along the peripheral edge of the opening without intersecting with the opening of the edge cover.

An object of the present invention is to provide an organic EL display device which does not undergo the decrease in luminance or pixel shrinkage and has excellent long-term reliability. The present invention is an organic EL display device constituting a cured product of a photosensitive resin composition containing an alkali-soluble resin (A) and a naphthoquinone diazide sulfonic acid ester compound (B), wherein an intensity ratio I.sub.(S)/I.sub.(TOTAL) is 0.0001 or more and 0.008 or less, where I.sub.(S) is a negative secondary ion intensity of sulfur, and I.sub.(TOTAL) is a sum total of negative secondary ion intensities of carbon, oxygen, fluorine, silicon and sulfur obtained by time-of-flight secondary ion mass spectrometry of the cured product. Alternatively, the present invention is a method for producing the cured product.