An organic light-emitting diode (OLED) structure includes a stack of OLED layers that includes a light emission zone having a planar portion, and a light extraction layer formed of a UV-cured ink disposed over the light emission zone of the stack of OLED layers. The light extraction layer has a gradient in index of refraction along an axis normal to the planar portion.

Embodiments of the present disclosure relate to a touch display device, and more particularly, provide a touch display device with improved brightness owing to including an insulating film having a concave portion and a planarization layer having a microlens unit.

A transparent display device according to the present disclosure includes a first substrate, an internal layer, and a second substrate. The first substrate is capable of transmitting visible light. The internal layer is provided on a main surface of the first substrate, and includes a plurality of light emitting pixels and a plurality of dimming pixels that are arranged at different positions in plan view. Each of the plurality of light emitting pixels is configured to emit light independently, and each of the plurality of dimming pixels is configured to change transmittance thereof with respect to the visible light independently. The second substrate is provided on a side of the internal layer opposite to the first substrate, and is capable of transmitting the visible light.

A display device includes: a substrate including a display region and a non-display region; a plurality of pixels provided in the display region, the plurality of pixels including first to third sub-pixels each having a light emitting region configured to light; a first light emitting element that is provided in each of the first and second sub-pixels and emits first color light, and a second light emitting element that is provided in the third sub-pixel and emits second color light; and a color conversion layer corresponding to each of the first and second sub-pixels, the color conversion layer converting the first color light into light of a set color for each corresponding sub-pixel.

A display substrate, a method of manufacturing the same and a display device are provided. The display substrate includes: a base substrate including an emission area and a transmission area; an electroluminescent device on the base substrate, the electroluminescent device including a first electrode in the emission area; a thin film transistor for controlling the electroluminescent device, the thin film transistor including an active layer; and a conductive member on the base substrate. The conductive member electrically connects the first electrode of the electroluminescent device with the active layer, the conductive member includes a contact portion in contact with the active layer, and the contact portion is located in the transmission area.

According to one embodiment, a display device includes a base material, and a display area including a plurality of pixels arrayed in matrix in a first direction and a second direction. Each of the pixels includes a first subpixel, a second subpixel and a third subpixel. Each of the subpixels includes two overlap areas which overlap subpixels which are adjacent in the first direction, and an effective area which contributes display of images. In the first subpixel, neither of the two overlap areas is included in the effective area. In the second subpixel, one of the two overlap areas is included in the effective area, and the other one is not included in the effective area. In the third subpixel, both of the two overlap areas are included in the effective area.

A display device includes a display region and a non-display region. First lines are between the substrate and the first insulating layer in the non-display region. Second lines are on a first insulating layer in the non-display region and are alternately disposed with the first lines. A second insulating layer is over the second lines and has a surface unevenness formed by the first and second lines. Third lines are over the second insulating layer and intersect the first lines and the second lines. First insulating patterns are on the second insulating layer and serve to planarize the surface unevenness. The first insulating patterns are between at least adjacent third lines in a plan view.

A display device with high resolution is provided. The display device includes a plurality of light-emitting elements that emit light of different colors. The light-emitting element has a microcavity structure and intensifies light with a specific wavelength. The light-emitting elements that emit light of different colors each include a reflective layer and a conductive layer with a varied thickness over a lower electrode, and the lower electrode and the conductive layer are electrically connected to each other in the light-emitting element. The light-emitting elements with different colors being intensified by different optical path lengths are formed.

There is provided an electro-optical apparatus including an element substrate that includes a display region in which a plurality of pixels, which are light-emitting elements, are arranged in a matrix form. The light-emitting element has a structure in which a reflective electrode, a protective layer, an optical path adjustment layer, a first electrode, a light-emitting layer, and a second electrode are laminated on an insulation layer. The reflective electrode is disposed by being split in each pixel, and a gap is formed between each reflective electrode that is disposed by being split in each pixel. The protective layer covers the surface of the reflective electrode on which the gap is formed, and includes an embedded insulation film which is embedded in the gap.

A thin film transistor substrate may include a base substrate, a semiconductor member, a gate electrode, a first insulation layer, and a source/drain electrode. The semiconductor member may overlap the base substrate. The gate electrode may overlap the semiconductor member and may be insulated from the semiconductor member. The first insulation layer may be positioned on the gate electrode and may include a first contact hole. The source/drain electrode may include a first discharge hole, may be electrically connected to the semiconductor member, and may be at least partially positioned inside the first contact hole. The first discharge hole may partially expose the semiconductor member.