1246308-81-5Relevant articles and documents
Organic Electroluminescence Device
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Paragraph 0148; 0149; 0154; 0155, (2019/11/29)
The present invention relates to an organic electroluminescence device containing a dopant compound and a host compound in a specific combination. The organic electroluminescence device according to the present invention shows yellowish green luminescence
Organic light-emitting diode with high efficiency
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Paragraph 0347-0348, (2018/09/02)
The present disclosure relates to an organic light-emitting diode exhibiting high luminance efficiency, low-voltage operation, and long lifespan and, more particularly, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer sequentially arranged between the first electrode and the second electrode wherein the light-emitting layer includes at least one of the amine compounds represented by Chemical Formula A or B and the electron density control layer includes at least one of the compounds represented by Chemical Formulas F to H. The structures of Chemical Formulas A, B, and F to H are as described in the specification.
New organic electroluminescent compounds and the use of the compound of the organic electroluminescent device
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Paragraph 0104; 0109; 0110, (2016/10/07)
Disclosed are a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. When used as host material of organic electroluminescent material of an OLED device, the disclosed organic electroluminescent compound exhibits high luminous efficiency and excellent life property of the material as compared to conventional host material. Therefore, it can be used to manufacture OLEDs having very good operation life.
Novel organic electroluminescent compounds and organic electroluminescent device using the same
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Paragraph 0072; 0087; 0088; 0093; 0094, (2018/02/08)
The present invention relates to a novel organic light emitting compound and an organic electroluminescent device including the same. More specifically, the organic light emitting compound according to the present invention may be selected from the following Chemical Formulae 1 to 5. [With respect to aforementioned Chemical Formulae 1 to 5, X and Y may be independently selected from N(Ar1), O, and S, wherein the Ar1 may be different from each other, and be expressed as Ar1 or Ar2 if the Ar1 is plural; Z1 to Z8 may be independently selected from C(Ar3) and N, wherein the Ar3 may be different from each other, and the Ar3 adjacent to each other may be combined and form a circle.] Since the organic light emitting compound according to the present invention may be used as a host material of organic light emitting materials in an OLED element, the organic light emitting compound may show good luminous efficiency and excellent life property of material, and OLED having very good operation life may be manufactured therefrom.
Novel organic electroluminescent compounds and organic electroluminescent device using the same
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Paragraph 0063; 0064; 0071; 0072; 0087; 0088; 0093; 0094, (2020/03/03)
The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device using the same and, more specifically, to an organic luminescent compound selected among chemical formula 1 to chemical formula 5. [In chemical formula 1 to chemical formula 5, X and Y are selected among N(Ar_1), O and S, respectively. Ar_1 is able to differentiate from each other, and when Ar_1 is plural, Ar_1 is indicated as Ar_1 or Ar_2. Z_1 to Z_8 are selected among C(Ar_3) and N, respectively. Ar_3 is able to differentiate from each other, and an adjacent Ar_3 is able to form a circle by mutual combination.] The organic electroluminescent compound according to the present invention exhibits excellent luminance efficiency as compared to an existing host material by being used as a host material of an organic electroluminescent material in an OLED device and has excellent durability of materials, thereby being able to manufacture an OLED in which the driving durability of the device is excellent.
ELECTRON BUFFERING MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE
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Paragraph 88; 89; 94; 95, (2016/03/12)
The present invention relates to an electron buffering material, and an organic electroluminescent device comprising a first electrode; a second electrode facing the first electrode; a light-emitting layer between the first electrode and the second electr
ELECTRON TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Paragraph 95-96, (2016/03/13)
The present invention relates to an electron transport material comprising a compound of a certain structure, and an organic electroluminescent device comprising the same. The organic electroluminescent device comprising the electron transport material of
A COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND
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Paragraph 0051; 0053, (2016/10/08)
The present invention relates to a specific combination of dopant compounds and host compounds. By using a combination of the dopant and host compounds according to the present invention, an organic electroluminescent device has improved current efficiency compared with conventional light-emitting material, and thus has improved power efficiency at a low driving voltage.
Novel organic electroluminescent compounds and organic electroluminescent device using the same
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Paragraph 0063; 0064; 0071; 0072; 0087; 0088; 0093; 0094, (2021/05/11)
The present invention relates to a novel organic light-emitting compound and an organic electroluminescent device including the same. More particularly, the organic light-emitting compound according to the present invention is selected from the following Formulae 1 to 5. [In the above Formulae 1 to 5, X and Y are independently selected from N(Ar1), O and S, Ar1 may be different from each other, when Ar1 is plural, this is represented by Ar1 or Ar2; each of Z1 to Z8 is independently selected from C(Ar3) and N, Ar3 may be different from each other, and adjacent Ar3 may combine together to form a ring.] The organic light-emitting compound according to the present invention is used as a host material in an organic light-emitting material in an OLED device and has better light-emitting efficiency than a common host material and excellent lifetime characteristic. An OLED having good driving lifetime may be manufactured.
The host compound and a new combination and dopant compd. organic electroluminescence device including the same
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Paragraph 0145-0146; 0151-0152, (2016/10/08)
The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present invention emits yellow-green light; lowers
