摘要:
On object of the invention is to provide a nonvolatile memory device, in which data can be added to the memory device after a manufacturing process and forgery and the like by rewriting can be prevented, and a semiconductor device including the memory device. Another object of the invention is to provide a highly-reliable, inexpensive, and nonvolatile memory device and a semiconductor device including the memory device. A memory element includes a first conductive layer, a second conductive layer, a first insulating layer with a thickness of 0.1 nm or more and 4 nm or less being in contact with the first conductive layer, and an organic compound layer interposed between the first conductive layer, the first insulating layer, and the second conductive layer.
摘要:
An oxadiazole derivative represented by the following general formula (G1) is synthesized and applied to the light emitting element, wherein Am is a substituent represented by a general formula (Am1), (Am2), or (Am3); each of α, β1, and β2 represents an arylene group having 6 to 25 carbon atoms; each of Ar1 to Ar6 represents an aryl group having 6 to 25 carbon atoms; each of R1 to R3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms; and R4 represents an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms.
摘要翻译:合成由以下通式(G1)表示的恶二唑衍生物,并将其施加到发光元件,其中Am是由通式(Am1),(Am2)或(Am3)表示的取代基。 α,bgr,1和bgr各自表示碳原子数6〜25的亚芳基。 Ar 1〜Ar 6表示碳原子数6〜25的芳基, R 1至R 3各自表示氢,具有1至4个碳原子的烷基或具有6至25个碳原子的芳基; R 4表示碳原子数1〜4的烷基或碳原子数6〜25的芳基。
摘要:
Provided is a novel heterocyclic compound which can be used as a host material for dispersing a light-emitting material in a light-emitting layer of a light-emitting element. Further provided is a light-emitting element which is driven at a low voltage and has high current efficiency. By including the light-emitting element, a light-emitting device, an electronic device, and a lighting device each with reduced power consumption are provided. The light-emitting element contains a compound in which a dibenzo[f,h]quinoline ring and a hole-transport skeleton are bonded through an arylene group. The light-emitting device, the electronic device, and the lighting device each including the light-emitting element are provided. The light-emitting element contains a heterocyclic compound having a structure represented by the following general formula (G1).
摘要:
It is an object of the present invention to provide a technique in which a high-performance and highly reliable semiconductor device can be manufactured at low cost with high yield. A memory device according to the present invention has a first conductive layer including a plurality of insulators, an organic compound layer over the first conductive layer including the insulators, and a second conductive layer over the organic compound layer.
摘要:
An organometallic complex which can emit phosphorescence is provided. The organometallic complex, which is a novel substance, is represented by General Formula (G1) or General Formula (G2). In General Formula (G1), R1 to R10 each represent an alkyl group having 1 to 4 carbon atoms. M represents a Group 9 element or a Group 10 element. When M is a Group 9 element, n is 3, and when M is a Group 10 element, n is 2. In General Formula (G2), R11 to R20 each represent an alkyl group having 1 to 4 carbon atoms. M represents a Group 9 element or a Group 10 element. When M is a Group 9 element, n is 3, and when M is a Group 10 element, n is 2.
摘要:
To provide a new bipolar organic compound. In particular, to provide a bipolar organic compound having excellent heat resistance and to provide a bipolar organic compound which is electrochemically stable. Further, to provide a light emitting element and a light emitting device of which a driving voltage and power consumption are reduced by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have excellent heat resistance by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have a long life by using a new bipolar organic compound.
摘要:
Provided is a bipolar substance having high excitation energy, in particular, high triplet-excitation energy. An oxadiazole derivative represented by General Formula (G1) below is provided In the formula, Ar represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R1 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring.
摘要翻译:提供具有高激发能,特别是高三重态激发能的双极物质。 提供由下式(G1)表示的恶二唑衍生物在该式中,Ar表示取代或未取代的环中具有6〜10个碳原子的芳基。 R 1表示碳原子数为1〜4的烷基或环中具有6〜10个碳原子的取代或未取代的芳基。 R 2表示氢,具有1〜4个碳原子的烷基,或取代或未取代的环中具有6〜10个碳原子的芳基。
摘要:
To provide a display device with low power consumption. The display device includes a plurality of pixels each having a light-emitting element having a structure in which light emitted from a light-emitting layer is resonated between a reflective electrode and a light-transmitting electrode, wherein no color filter layers are provided or color filter layers with high transmittance are provided in pixels for light with relatively short wavelengths (e.g., pixels for blue and/or green), and a color filter layer is selectively provided in pixels for light with a long wavelength (e.g., pixels for red), and thereby maintaining color reproducibility and consuming less power.
摘要:
A quinoxaline derivative expressed by the general formula (1) is provided. (Each of R1 to R12 represents one of a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an acyl group, a dialkyl amino group, a diarylamino group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocycle group. Ar1 represents one of a substituted or unsubstituted biphenyl group and a substituted or unsubstituted terphenyl group, and Ar2 represents one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, and a substituted or unsubstituted monocyclic heterocycle group.)
摘要:
A light emitting element with a high contrast is realized. A light emitting device with a high contrast is achieved by using the light emitting element with an excellent contrast. The light emitting element has a layer containing a light emitting substance interposed between a first electrode and a second electrode, and the layer containing the light emitting substance includes a light emitting layer, a layer containing a first organic compound, and a layer containing a second organic compound. The first electrode has a light-transmitting property, and the layer containing the first organic compound and the layer containing the second organic compound are interposed between the second electrode and the light emitting layer. Furthermore, color of the first organic compound and color of the second organic compound are complementary.