摘要:
It is an object of the present invention to provide a light emitting element with low drive voltage. In addition, it is another object to provide a light emitting device having the light emitting element. Further in addition, it is another object to provide an electric appliance which has a light emitting element with low drive voltage. A light emitting element of the present invention comprises a pair of electrodes, a layer containing a light emitting element and a layer containing a mixture material which contains a conductive material formed from an inorganic compound and an insulating material formed from an inorganic compound, which are interposed between the pair of electrodes, wherein the layer containing the mixture material has a resistivity of 50,000 to 1,000,000 ohm cm, preferably, 200,000 to 500,000 ohm cm. The drive voltage of the light emitting element can be lowered with the foregoing structure.
摘要:
It is an object of the present invention to provide a light emitting element with low drive voltage. In addition, it is another object to provide a light emitting device having the light emitting element. Further in addition, it is another object to provide an electric appliance which has a light emitting element with low drive voltage. A light emitting element of the present invention comprises a pair of electrodes, a layer containing a light emitting element and a layer containing a mixture material which contains a conductive material formed from an inorganic compound and an insulating material formed from an inorganic compound, which are interposed between the pair of electrodes, wherein the layer containing the mixture material has a resistivity of 50,000 to 1,000,000 ohm cm, preferably, 200,000 to 500,000 ohm cm. The drive voltage of the light emitting element can be lowered with the foregoing structure.
摘要:
It is an object of the present invention to provide a light emitting element and a light emitting device having high luminous efficiency. It is a further object of the present invention to provide a method for manufacturing the light emitting element using a simplified method compared with the conventional method. A light emitting element having a light emitting region which includes plural kinds of materials with a high luminous quantum yield, and one or plural kinds of materials with a high carrier transporting property and which has a structure where regions in which the material with a high luminous quantum efficiency is dispersed in a material with a high carrier transporting property and regions in which the concentration of the material with a high carrier transporting property is high are laminated alternately, between a pair of electrodes, is provided.
摘要:
A light emitting element of the present invention includes a pair of electrodes, a layer containing a composite material, and a light emitting region; wherein the layer containing a composite material contains an organic compound and an inorganic compound; the light emitting region contains a material having a high light emitting property and a material having a high carrier transporting property, and a region containing high concentration of the material having a high light emitting property and a region containing high concentration of the material having a high carrier transporting property are alternately stacked in the light emitting region.
摘要:
It is an object of the present invention to provide a light emitting element with low drive voltage. In addition, it is another object to provide a light emitting device having the light emitting element. Further in addition, it is another object to provide an electric appliance which has a light emitting element with low drive voltage. A light emitting element of the present invention comprises a pair of electrodes, a layer containing a light emitting element and a layer containing a mixture material which contains a conductive material formed from an inorganic compound and an insulating material formed from an inorganic compound, which are interposed between the pair of electrodes, wherein the layer containing the mixture material has a resistivity of 50,000 to 1,000,000 ohm cm, preferably, 200,000 to 500,000 ohm cm. The drive voltage of the light emitting element can be lowered with the foregoing structure.
摘要:
An object of the present invention is to provide a light emitting device including an organic light emitting layer and an organic compound and having high light emitting efficient along with less deterioration in characteristics. In the light emitting device, an anode, a cathode facing the anode, light emitting layers each comprising an organic compound and being provided between the anode and the cathode, and carrier transporting layers each comprising an organic compound, are provided over a substrate. Each of the light emitting layers and each of the carrier transporting layers are alternately stacked. A thickness of each of the carrier transporting layers is thinner than that of each of the light emitting layers. When each of the carrier transporting layers is a hole transporting layer, each of the light emitting layers has an electron transporting property. When each of the carrier transporting layers is an electron transporting layer, each of the light emitting layers has a hole transporting property.
摘要:
The present invention provides a light-emitting device including a light-emitting element over a substrate, the light-emitting element is partitioned from an adjacent light-emitting element by a partition wall, the light-emitting element comprising a first electrode, a layer formed over the first electrode, a light-emitting layer formed over the layer and a second electrode formed over the light-emitting layer, the layer contains an inorganic compound, an organic compound and a halogen atom, the partition wall contains the inorganic compound and the organic compound, and the layer. The light-emitting device provides higher reliability and fewer defects.
摘要:
It is an object to provide an organic field effect transistor including an electrode which can reduce an energy barrier at an interface between a conductive layer and a semiconductor layer, and a semiconductor device including the organic field effect transistor. A composite layer containing an organic compound and an inorganic compound is provided in at least part of one of a source electrode and a drain electrode in an organic field effect transistor, and as the organic compound, a carbazole derivative represented by the general formula (1) is used. By providing the composite layer in at least part of one of the source electrode and the drain electrode, an energy barrier at an interface between a conductive layer and a semiconductor layer can be reduced.
摘要:
Objects of the present invention are to provide a light-emitting element that does not readily deteriorate, a light-emitting device and an electronic device that do not readily deteriorate, and a method of fabricating the light-emitting element that does not readily deteriorate. A light-emitting element having an EL layer between a pair of electrodes is covered with a layer containing an inorganic compound and halogen atoms or a layer containing an organic compound, an inorganic compound, and halogen atoms, whereby deterioration by moisture penetration can be inhibited. Thus, a light-emitting element with a long life can be obtained.
摘要:
It is an object to provide an organic field effect transistor including an electrode which can reduce an energy barrier at an interface between a conductive layer and a semiconductor layer, and a semiconductor device including the organic field effect transistor. A composite layer containing an organic compound and an inorganic compound is provided in at least part of one of a source electrode and a drain electrode in an organic field effect transistor, and as the organic compound, a carbazole derivative represented by the general formula (1) is used. By providing the composite layer in at least part of one of the source electrode and the drain electrode, an energy barrier at an interface between a conductive layer and a semiconductor layer can be reduced.