The present disclosure provides an OLED display and display module thereof. The OLED display module includes: a cathode plate, an anode plate and a luminance function layer sandwiched in between the cathode plate and the anode plate, and characterized in that multiple reflectivities among multiple layers of the luminance function layer are satisfied with a following relationship, which is a reflectivity of the material of the luminance function layer near to the cathode plate is greatly higher than a reflectivity of another material of the luminance function layer distant from the cathode plate. The display module solves the technical problem of decreasing the contrast and sharpness of the OLED display caused by the cathode plate with the high reflectivity.

An imaging device including pixels each including: a photoelectric converter including a first electrode, a second electrode, and a photoelectric conversion layer between the first electrode and the second electrode, the second electrode of each of the pixels being electrically connected to each other; and a transistor having a gate electrically connected to the first electrode. The imaging device further including voltage supply circuitry electrically connected to the second electrode, in which the voltage supply circuitry supplies a first voltage to the second electrode in an exposure period, the voltage supply circuitry supplies a second voltage to the second electrode in a non-exposure period, an a potential difference between the first electrode and the second electrode in the non-exposure period is less than a potential difference between the first electrode and the second electrode in the exposure period.

The invention provides a method for passivation of various surfaces (metal, polymer, semiconductors) from external contaminants, and the functionalization of inert surfaces. The method of the invention can functionalize 2D semiconductor and other insert surfaces such as non-reactive metals, oxides, insulators, glasses, and polymers. The method includes formation of a monolayer, an ordered bilayer or an ordered multilayer of metal phthalocyanines (MPc). The invention also provides layer structure in a semiconductor device, the layer structure comprising one of an ordered monolayer, ordered bilayer or ordered multi-layer of metal phthalocyanine upon a surface, and one of an ALD deposited layer or 2D semiconductor on the one of a monolayer, ordered bilayer or ordered multi-layer of metal phthalocyanine.

The invention relates to a phthalocyanine compound, which has a structure as represented by Formula I, wherein A represents a transition metal or a rare earth metal; R1 represents a phenyl group, a naphthyl group, or a C.sub.4-C.sub.16 n-alkyl group. The aromatic phthalocyanine compound having the structure of Formula I provided in the invention contains a transition metal or a rare earth metal, and introduces a peripheral substituent into a linearly extended 7c-conjugated system. It is relatively stabler at 400° C. or less and will be easily evaporated in vacuum to form a uniform thin film, and has good thermal stability, high chemical stability, and high mobility. The organic semiconductor device has the features of relatively fast on-off speed, relatively high on-off ratio, and strong reliability.

##STR00001##

A photoelectric conversion element according to the disclosure includes: a first electrode and a second electrode that are disposed to face each other; and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least one kind of polycyclic aromatic compound represented by any one of the following general formula (1), the following general formula (2), and the following general formula (3): ##STR00001##

A solid-state imaging device includes a first electrode, a second electrode, and a photoelectric conversion film that is formed between the first electrode and the second electrode and includes an organic semiconductor and an inorganic material.

A near-infrared organic light emitting device comprises a first electrode; a hole transporting layer in contact with the first electrode; a second electrode; an electron transporting layer in contact with the second electrode; and an emissive layer between the hole transporting layer and the electron transporting layer, the emissive layer comprising a near-infrared emitter and an emissive host. The emissive host transfers energy to the near-infrared emitter.

A compound of Formula I ##STR00001## M is selected from Pd or Pt; X is selected from N or CR.sup.3; each R.sup.1 and R.sup.2, which can be the same or different, and R.sup.3, are independently selected from the group consisting of hydrogen, deuterium, halogen, alkoxide, alkyl, cycloalkyl, heteroalkyl, heterocycle, cycloalkene, aryl, heteroaryl, and combinations thereof; wherein at least one of R.sup.1, R.sup.2, or R.sup.3 is selected from the group consisting of: a partially or fully fluorinated alkyl; a partially or fully fluorinated cycloalkyl; and a group of formula A connected to a carbon of one of Y.sup.1 to Y.sup.4 ##STR00002##
formula A, wherein Y.sup.1, Y.sup.2, Y.sup.3, and Y.sup.4 are independently selected from C or N, and no more than two of Y.sup.1 to Y.sup.4 is N; and Z is selected from the group consisting of O, S, NR.sup.5, and CR.sup.6R.sup.7. An OLED that includes an organic layer positioned between two electrodes, the organic layer including a compound of Formula I is also described. A consumer product that includes the OLED, and a formulation that includes a compound of Formula I, is also described.

Provided is a device for emitting electromagnetic radiation. The device includes a first electrode, a second electrode, and an exciton recombination layer extending from the first electrode to the second electrode. The device is configured to relocate a recombination zone in the exciton recombination layer by changing an electric field between the first electrode and the second electrode, or to emit electromagnetic radiation through a transparent substrate.

An active material for organic image sensors, where the active material is a squaraine-based active material or a thiophene-based active material. A photoelectric conversion layer containing the active material, which is a squaraine-based active material or a thiophene-based active material. An organic image sensor containing the photoelectric conversion layer containing the active material.