Electronic devices and methods for preparing electronic devices. Electronic devices may include a semiconducting layer, which may include at least one borate complex. Borate complex may include a metal, such as Ca or Sr, and at least one borate ligand. Borate ligands may include a heterocyclic group. Methods may include evaporating a borate complex.

The present invention relates to a compound of the Formula (I) ##STR00001##
wherein at least one of R.sup.1 to R.sup.10 and/or Ar.sup.4 is a group having the Formula (II) ##STR00002##
wherein the asterisk symbol “*” in Formula (II) represents the position of binding of the group having the Formula (II); L is selected from substituted or unsubstituted C.sub.6 to C.sub.18 arylene; Ar.sup.1 is selected from substituted or unsubstituted C.sub.3 to C.sub.24 heteroaryl, wherein the heteroaryl comprises at least two N-atoms; Ar.sup.2 and Ar.sup.3 are independently selected from substituted or unsubstituted C.sub.6 to C.sub.24 aryl and/or substituted or unsubstituted C.sub.4 to C.sub.24 heteroaryl, wherein Ar.sup.2 and Ar.sup.3 are selected differently from each other; Ar.sup.4 is selected from the group consisting of substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, substituted or unsubstituted C.sub.6 to C.sub.24 aryl, substituted or unsubstituted C.sub.2 to C.sub.24 heteroaryl and a group having the general Formula (II); R.sup.1 to R.sup.10 are independently selected from the group consisting of H, D, F, C.sub.1 to C.sub.20 alkyl, C.sub.6 to C.sub.20 aryl, C.sub.2 to C.sub.20 heteroaryl and a group having the Formula (II); and R.sup.1 and R.sup.2; or R.sup.2 and R.sup.3 or R.sup.3; and R.sup.4; or R.sup.5 and R.sup.6 may independently from each other form a fused ring or system of fused rings; a semiconducting layer comprising the same, an organic electronic device comprising the same as well as a display or a lighting device comprising the organic electronic device.

According to an embodiment, a method of manufacturing an organic electronic device including a stack including a first electrode layer, one or more functional layers, and a second electrode layer, the one or more functional layers and the second electrode layer being formed in this order on the first electrode layer, comprises: a first layer forming step of forming a first layer 24 among the layers included in the stack; and a second layer forming step of forming a second layer on the first layer by using a coating solution containing a material for the second layer and a solvent with boiling point of 160° C. or more, the second layer being in contact with the first layer. In the first layer forming step, the first layer is formed with a thickness t smaller than a desired thickness such that the first layer has the desired thickness T due to an increase in a thickness of the first layer as the second layer is formed.

An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3:
T.sub.1(C3).sub.onset≥S.sub.1(C4).sub.onset  Condition 1-1
T.sub.1(C3).sub.max≥S.sub.1(C4).sub.max  Condition 1-2
K.sub.RISC(C4)≥10.sup.3S.sup.−1  Condition 2
f(C4)≥0.1.  Condition 3

An electronic component comprising: an electronic substrate that includes an electronic element and a first connection terminal a package member that is disposed on the electronic substrate; and a circuit member that includes a second connection terminal, wherein the circuit member is disposed between the package member and the electronic substrate, and extends from the position between the package member and the electronic substrate outward beyond the edge of the electronic substrate; the electronic component includes a connecting member that is disposed between the circuit member and the electronic substrate, and electrically connects the second connection terminal and the first connection terminal, an adhesive member that is disposed between the circuit member and the package member, and joins the circuit member to the package member; the connecting member, the circuit member, and the adhesive member are located between the package member and the electronic substrate.

The present invention discloses a light-emitting electrochemical cell, which includes a first electrode, a light-emitting layer, and a second electrode which are stacked, wherein the light-emitting layer includes a light-emitting material and an ion conductive polymer. The present invention also discloses an electroluminescent display device, including a glass substrate, a thin film transistor, a light-emitting electrochemical cell, a protective layer, and a polarizer. Embodiments of the present application provide a light-emitting electrochemical cell and an electroluminescence display device, wherein the electro-luminescence display device is construed by providing a simple structure and manufacturing process to the light-emitting electrochemical cell, and therefore the manufacturing cost is reduced, and the production efficiency is improved.

The present invention relates to a light emitting device including a light emitting layer having a stacked structure of two or more layers in which the light emitting layer is alternately disposed with a first light emitting material layer and a second light emitting material layer. In addition, the light-emitting material layer is a perovskite layer or an organic material layer, the first light-emitting material layer and the second light-emitting material layer are characterized in that they have different band gaps. By alternately disposing the first light emitting material layer and the second light emitting material layer to have a stacked structure and by controlling the energy level, there is an advantage in that the electroluminescence efficiency can be improved by controlling the electron-hole recombination region of the light emitting device. In addition, there is an advantage that a white light emitting device can be manufactured by controlling the energy levels of the first light emitting material layer and the second light emitting material layer.

An organic light-emitting diode display device is provided by the present application, including an anode layer, a cathode layer, and a light-emitting layer disposed between the anode layer and the cathode layer, wherein the light-emitting layer includes a first light-emitting layer and a second light-emitting layer stacked. The first light-emitting layer includes a first color light-emitting part, a second color light-emitting part, and a third color light-emitting part arranged in a same layer. The second light-emitting layer is configured to emit light of a first color, and the second light-emitting layer is disposed at a side of the first light-emitting layer and covers the first light-emitting layer.

Provided is the nitrogen-containing compound shown in Chemical formula 1, an organic electroluminescent device, and an electronic apparatus, relating to the technical field of organic materials. The nitrogen-containing compound can improve the performance of the organic electroluminescent device.

##STR00001##

An electroluminescent element including an anode, a cathode, and a light-emitting layer provided between the anode and the cathode, in which the electroluminescent element further includes an electron transport layer including n-type semiconductor particles and a first insulating polymer, and a hole transport layer including p-type semiconductor particles, the electron transport layer is provided between the cathode and the light-emitting layer, the hole transport layer is provided between the anode and the light-emitting layer, and a volume proportion of the n-type semiconductor particles in the electron transport layer is smaller than a volume proportion of the p-type semiconductor particles in the hole transport layer.