The display defects of a display device are reduced. The display quality of the display device is improved. The display device includes a display panel and a first conductive layer. The display panel includes a display element including a pair of electrodes. An electrode of the pair of electrodes which is closer to one surface of the display panel is supplied with a constant potential. A constant potential is supplied to the first conductive layer. The second conductive layer provided on the other surface of the display panel is in contact with the first conductive layer, whereby the second conductive layer is also supplied with the constant potential. The second conductive layer includes a portion not fixed to the first conductive layer.

An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the color filter is greater in the edge area than in the center area.

A flexible display apparatus comprises a glass substrate including a flat surface and a glass etching surface that is curved, and a flexible display panel including a bending portion on the glass etching surface.

Disclosed are a display panel, a manufacturing method and a stretchable display device. The display panel includes a rigid substrate; a flexible substrate and an encapsulation layer. The flexible substrate includes a plurality of through-groove structures and at least one through-groove structure includes a non-fixed region and a fixed region surrounding the non-fixed region. A portion of the encapsulation layer located in the at least one through-groove structure includes a first sub-portion located in the fixed region and attached to the rigid substrate and a second sub-portion located in the non-fixed region and attached to the rigid substrate by an organic separation layer, the second sub-portion is configured to be separated from the rigid substrate in a case of gasification of the organic separation layer, and the first sub-portion is configured to be lifted off from the flexible substrate together with the rigid substrate under an external force.

A solar cell 100 includes a substrate 1, a first electrode 6, an electron transport layer 2, a first photoelectric conversion layer 3, and a coating layer 5. The first photoelectric conversion layer 3 is disposed between the first electrode 6 and the substrate 1. The substrate 1 has a first main surface and a second main surface, and the second main surface has an uneven structure. The electron transport layer 2 has a first main surface and a second main surface, and the first main surface and the second main surface each have an uneven structure. The first photoelectric conversion layer 3 has a first main surface and a second main surface. The second main surface of the substrate 1 faces the first main surface of the electron transport layer 2.

A display device includes: a display panel including a base substrate having a display region and a hole region included in the display region; a touch sensor including a light blocking member disposed on the display panel, a first sensing insulating layer covering the light blocking member, a sensing electrode layer disposed on the first sensing insulating layer, and a second sensing insulating layer covering the sensing electrode layer; a polarizing layer disposed on the touch sensor; and a cover window disposed on the polarizing layer. At least one of the first sensing insulating layer and the second sensing insulating layer exposes at least a portion of the hole region.

Disclosed are a display panel and a display device, the display panel including: a substrate including a display area, a peripheral area and a welding area; at least one barrier in the peripheral area and surrounding the display area, the barrier including a single-sided barrier structure between the display area and the welding area; an organic insulating structure including sub-insulating structures, each sub-insulating structure having a first boundary located between the display area and the single-sided barrier structure, for any two adjacent sub-insulating structures, the first boundary of the sub-insulating structure on a side away from the substrate being closer to the display area than the first boundary of the sub-insulating structure on a side proximal to the substrate; a distance between first boundaries of any two adjacent sub-insulating structures is greater than or equal to 20 μm; a touch electrode pattern; and a touch signal line.

A synchronized piezoelectric and luminescence (SPL) material includes a core layer including light-emitting particles and a shell layer which is attached onto a surface of the core layer and includes ligands having a piezoelectric property. Therefore, a piezoelectric property and a luminescent property can be simultaneously implemented using a single SPL material in which piezoelectric ligands and light-emitting particles are chemically coupled.

An electronic device includes a display panel, an input sensor disposed on the display panel, and a support disposed under the display panel to support the display panel. The support includes a first portion and a second portion surrounding the first portion. The second portion is provided with a plurality of first openings defined therethrough.

A display comprises a substrate (e.g., glass), a plurality of pixel circuits disposed on a back surface of the substrate, and a plurality of self-emitting devices disposed on a front surface of the substrate. The self-emitting devices are electrically connected to the plurality of pixel circuits by at least one electrically conductive via traveling through the substrate. Each pixel circuit comprises a first and a second transistor and a capacitor. The self-emitting devices may be LEDs or OLEDs for example.