A method for manufacturing a display device includes a first step of placing a substrate having a lower electrode formed thereon in a vacuum environment; a second step of forming in a vacuum an organic layer that includes a light emitting layer and covers the lower electrode; a third step of forming in a vacuum an upper electrode that covers the organic layer; a fourth step of forming in a vacuum a sealing layer that covers the upper electrode; and a cleaning step of cleaning the substrate after end of the first step before end of the fourth step.

Provided is a manufacturing method of a display device, which includes: forming a first electrode; forming a first insulating film covering an edge portion of the first electrode and having an opening portion overlapping with the first electrode; forming an EL layer over the first electrode and the first insulating film; forming a second electrode over the EL layer; forming a second insulating film over the second electrode so as to overlap with the first insulating film; removing the second insulating film; and forming a sealing film over the second electrode.

A method of manufacturing a white organic light-emitting device (white OLED) including a first electrode, a hole transport layer, a white light-emitting layer, an electron transport layer, and a second electrode which are sequentially formed on a substrate, the method including manufacturing a red ink by mixing a red light-emitting host and a red light-emitting dopant, manufacturing a green ink by mixing a green light-emitting host and a green light-emitting dopant, manufacturing a blue ink by mixing a blue light-emitting host and a blue light-emitting dopant, and forming a white light-emitting layer as a monolayer on the hole transport layer by separately electrospraying the red ink, the green ink, and the blue ink on the hole transport layer, wherein the white light-emitting layer includes a plurality of red light-emitting domains, a plurality of green light-emitting domains, and a plurality of blue light-emitting domains on the hole transport layer.

An organic light emitting device including a first electrode; a self-assembled monolayer on the first electrode; a hole control layer on the self-assembled monolayer; a light emitting layer on the hole control layer; an electron control layer on the light emitting layer; and a second electrode on the electron control layer, wherein the self-assembled monolayer includes a plurality of organic molecules, each of the plurality of organic molecules having a head bonded to the first electrode, a terminal end adjacent to the hole control layer, and a tail connecting the head with the terminal end.

An object is to provide a light-emitting element with high emission efficiency. Another object is to provide a light-emitting element with a long lifetime and high reliability. Another object is to provide a light-emitting element driven at low voltage. A first light-emitting layer whose one surface is in contact with a hole-transport layer, and a second light-emitting layer which is in contact with the other surface of the first light-emitting layer and includes a bipolar host material and a light-emitting substance are provided, where the hole-transport property of the first light-emitting layer is higher than that of the second light-emitting layer. A recombination region of holes and electrons is preferably provided in the light-emitting layer. The hole-transport layer preferably includes an anti-reducing substance.

A light emitting device includes an electrode layer, a first metal layer, an organic material layer and a second metal layer stacked sequentially. The first metal layer includes a first metal portion and a second metal portion separated from the first metal portion at a first lateral distance, and the first metal portion and the second metal portion have a first period. The organic material layer includes a first emitting region separating the first metal portion and the second metal portion. The first lateral distance and the first period enable a lateral plasma coupling generated between the first metal portion and the second metal portion, such that light generated by the organic material layer at the first emitting region has a gain in a first waveband, or a peak wavelength of the light generated by the first emitting region shifts to the first waveband.

[Object] It is possible to further improve reliability. [Solution] There is provided a display device including: a pixel unit which is configured with a plurality of pixel circuits arranged in a matrix, each of the pixel circuits including a light emitting element and a driving circuit for driving the light emitting element; scanning lines which are interconnections connected to the respective pixel circuits and are provided to extend in a first direction and correspond to respective rows of a plurality of the pixel circuits; and signal lines which are interconnections connected to the respective pixel circuits and are provided to extend in a second direction orthogonal to the first direction and correspond to respective columns of a plurality of the pixel circuits. One of the scanning lines and the signal lines, provided for the one pixel circuit, which is larger in number is positioned in a lower-level interconnection layer. An electrode of a capacitance element included in the driving circuit is positioned in the interconnection layer in which either the scanning lines or the signal lines are provided.

A light-emitting layer of a light-emitting element contains halogen ligands and organic ligands coordinated to each of quantum dots. The light-emitting layer includes: a first region toward a hole-transport layer; and a second region toward an electron-transport layer. In the first region, a concentration of the halogen ligands is higher than a concentration of the organic ligands, and, in the second region, the concentration of the halogen ligands is lower than the concentration of the organic ligands.

A color light field imaging sensor array for use as a lensless imaging camera, tactile or proximate gesture user interface, image display, or combination. Each sensor array pixel comprises groups of at least three LEDs, OLEDs, or similar devices having differing emission color wavelengths configured to provide light amplitude measurement signals. For each pixel, a first output signal is produced by subtracting a function of the light amplitude measurement signal from an LED of a mid-value color wavelength from a function of a light amplitude measurement signal from an LED of a higher-value color wavelength. A second output signal is produced by subtracting a function of a light amplitude measurement signal from lower-value color wavelength LED from a function of the light amplitude measurement signal obtained from mid-value color wavelength LED. A third output signal is produced from function of light amplitude measurement signal associated with lowest-value color wavelength LED.

An organic light-emitting device comprises an anode, a cathode and a light-emitting layer between the anode and the cathode. The light-emitting layer comprises a compound of formula (I): ##STR00001## wherein Ar.sup.1, Ar.sup.2, Ar.sup.3, Ar.sup.6 and Ar.sup.7 in each occurrence independently represent an unsubstituted or substituted aryl or heteroaryl group; X independently in each occurrence represents S or O; R independently in each occurrence represents H or a substituent; p is 0 or 1; q is 0 or 1; f is 1, 2 or 3; g is 1, 2 or 3; and adjacent groups Ar.sup.3 or adjacent groups Ar.sup.2 may be linked by a divalent group to form a ring. This compound can provide a bluer emitter that can be blended into current host formulations (deep blue, CIEy<0.08) suitable for solution processing.