Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

A light-emitting apparatus including: a first lower electrode; a second lower electrode; a functional layer covering the first lower electrode and the second lower electrode; and an upper electrode on the functional layer, the light-emitting apparatus further including a third lower electrode between the first lower electrode and the second lower electrode, wherein the third lower electrode has an inclined portion inclined with respect to an upper surface of the first lower electrode, and the third lower electrode, an insulating layer, the functional layer, and the upper electrode are arranged in this order in a direction perpendicular to the inclined portion.

A light-emitting device according to the present invention includes, on a substrate, an element area in which a light-emitting element is disposed, and a terminal area in which a terminal portion electrically connected to the light-emitting element is disposed, wherein the light-emitting element has, sequentially from the substrate, a reflective layer, a first insulating layer, a first electrode, a second insulating layer, an organic layer that includes a light-emitting layer, a second electrode, and a third insulating layer, the terminal portion has a pad electrode of a material identical to that of the reflective layer, the pad electrode has an exposed portion at which a surface on a far side from the substrate is exposed, and the third insulating layer extends from the element area up to an edge of the exposed portion in the terminal area.

A light emitting device includes: a first electrode; a hole transport region disposed on the first electrode; a first emission layer disposed on the hole transport region, and which emits light of a first wavelength; a second emission layer disposed on the hole transport region, and which emits light of a second wavelength different from the first wavelength; an electron transport region disposed on the first emission layer and the second emission layer; a second electrode disposed on the electron transport region; and a capping layer disposed on the second electrode. In exit light emitted to an upper surface of the capping layer, the exit light has a maximum intensity at an azimuth angle of about 25° to about 35°.

A microcavity pixel design and structure allowing for tuning the optical cavity length of the microcavity of a microcavity pixel structure. This is achieved by including an intermediate electrode in the device which has an overhang region to form a connecting area to a bottom electrode, alleviating design restrictions in material type and dimensions throughout the optical microcavity tuning process. A method for the fabrication of a multi-colored microcavity pixel array facilitating the use of blanket deposition methods for select layers within a microcavity pixel structure.

A microcavity pixel design and structure allowing for tuning the optical cavity length of the microcavity of a microcavity pixel structure. This is achieved by including an intermediate electrode in the device which has an overhang region to form a connecting area to a bottom electrode, alleviating design restrictions in material type and dimensions throughout the optical microcavity tuning process. A method for the fabrication of a multi-colored microcavity pixel array facilitating the use of blanket deposition methods for select layers within a microcavity pixel structure.

Device structures are provided that include one or more plasmonic OLEDs and zero or more non-plasmonic OLEDs. Each plasmonic OLED includes an enhancement layer that includes a plasmonic material which exhibits surface plasmon resonance that non-radiatively couples to an organic emissive material and transfers excited state energy from the emissive material to a non-radiative mode of surface plasmon polaritons in the plasmonic OLED.

Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

A light-emitting element includes a light-emitting layer including quantum dots, a selectively reflective layer, the selectively reflective layer having a reflection band having a higher reflectivity than a reflectivity of another band, and a wavelength at a long wavelength end in the reflection band of the selectively reflective layer is longer than a wavelength having a half value of a peak value of a light emission spectrum due to electroluminescence of the quantum dots at a shorter wavelength side than a peak wavelength of the light emission spectrum due to the electroluminescence of the quantum dots, and is shorter than a wavelength having the half value of the peak value of the light emission spectrum due to the electroluminescence of the quantum dots at a longer wavelength side than the peak wavelength of the light emission spectrum due to the electroluminescence of the quantum dots.