A display device includes a substrate with a display area and a bending area; and a luminance sensor. The display area and the bending area each include a pixel circuit including a light-emitting element that is self-luminous. The bending area is bent from the display area. The luminance sensor measures luminance of the light-emitting element in the bending area.

An opening, which is provided on the inner side of a first pixel electrode, which is a first electrode formed in a display region, is larger than an opening, which is provided on the inner side of a second pixel electrode, which is the first electrode formed in a dummy display region. Further, a light-emitting layer (a first light-emitting layer) formed in the display region has the same shape and the same size as a light-emitting layer (a second light-emitting layer) formed in the dummy display region.

An opening, which is provided on the inner side of a first pixel electrode, which is a first electrode formed in a display region, is larger than an opening, which is provided on the inner side of a second pixel electrode, which is the first electrode formed in a dummy display region. Further, a light-emitting layer (a first light-emitting layer) formed in the display region has the same shape and the same size as a light-emitting layer (a second light-emitting layer) formed in the dummy display region.

A sensor includes a plurality of electric lines including row lines and column lines, a photodiode in a pixel, a drain of a first transistor connected to the photodiode in the pixel, a drain of a second transistor connected in series with a source of the first transistor in the pixel, a source of the second transistor being connected to a column line among the plurality of electric lines, and both a gate of the first transistor and a gate of the second transistor being connected to a row line among the plurality of electric lines, wherein a channel material of the first transistor is different from a channel material of the second transistor.

Disclosed are a display panel and display device. The display panel includes: a sensor setting area and a display area around the sensor setting area, where the sensor setting area includes at least one photosensitive element setting area and each of the at least one photosensitive element setting area is the same.

An embodiment method of measuring ambient light comprises generating, by an ambient light sensor associated with a screen which alternates between first phases in which light is emitted and second phases in which no light is emitted by the screen, a first signal representative of an intensity of light received by the ambient light sensor during the first and second phases; comparing the first signal with a threshold intensity value; and controlling a timing of an ambient light measurement by the light sensor based on the comparison.

A sub-pixel array device includes a plurality of optoelectronic devices disposed on a substrate, the plurality of optoelectronic devices including a light-emitting device and a light-converting device, and a bank structure that separates adjacent optoelectronic devices. Each optoelectronic device includes a first electrode, a second electrode, an active layer disposed between the electrodes and including a solution processable semiconductor, and a photo-crosslinkable material disposed between the first electrode and the second electrode. The photo-crosslinkable material may be incorporated within the active layer of each of the plurality of optoelectronic devices, so as to form a light-emitting device having a photo-crosslinkable emissive layer and a light-converting device having a photo-crosslinkable photo-active layer. The photo-crosslinkable material may be disposed between the active layer and the second electrode, such as incorporated within a capping layer or a charge transport layer disposed between the active layer and the second electrode.

A light emitting display device and a compensation method thereof, wherein an optical characteristics detection portion overlapping a signal line is provided in a subpixel, and the optical characteristics detection portion is connected to one of source voltage lines used by the subpixel, whereby optical characteristics of the subpixel can be determined without loss in effective area of an emission portion and to easily compensate for an afterimage of a display panel.

The present application provides an organic display device, which comprising a light sensing device and an organic light emitting diode display panel, based on the organic light emitting diode display panel disposed on the light sensing device, and first and second light sensing regions disposed on the light sensing device, and first and second filtering devices further disposed on the first and second light sensing regions, the light sensing device senses an ambient signal passing through the organic light emitting diode display panel, the first and second filtering devices, and a display signal generated from the organic light emitting diode display panel and passing through the first and second filtering devices. Thereby, the ambient light signal and display light signal are sensed by a light sensing manner under the display panel (under display sensing).

A display device including a substrate having a display area and a peripheral area defined outside the display area, a circuit layer disposed on the substrate, a device layer disposed on the display area, an encapsulation layer covering the device layer, a touch sensing unit including at least one touch insulating layer disposed on the encapsulation layer, touch electrodes disposed on the encapsulation layer, and touch signal lines connected to the touch electrodes, a first section disposed in the peripheral area and including a first part having a first thickness, a second part having a second thickness less than the first thickness and overlapping the touch signal lines, and an intermediate part connecting the first part and the second part and being inclined, and a first thickening pattern overlapping at least the intermediate part.