1. An organic electroluminescent element comprising:
a substrate;
a pair of electrodes including an anode and a cathode, disposed on the substrate; and
at least one organic layer including a light emitting layer, disposed between the electrodes,
wherein the organic layer(s) contains a compound represented by the following general formula (1):
wherein R1 to R8 each independently represent a hydrogen atom or a substituent, these may be bonded to each other to form a ring, and at least one of R1 to R8 is a substituent represented by the following general formula (2);
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Z1 and Z2 and Z3 and Z4 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case;
when Z1 and Z2 and Z3 and Z4 are respectively bonded to each other to form a ring, Z1 to Z4 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group and provided that Z1 and Z2 are not both alkyl groups in any case and Z3 and Z4 are not both alkyl groups in any case;
when Z1 and Z2 and Z3 and Z4 are not respectively bonded to each other to form a ring, Z1 to Z4 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group:
wherein Ar1 and Ar2 each independently represent an alkyl group, an aryl group, or a heteroaryl group and may be bonded to each other to form a ring; L1 represents an arylene group or a heteroarylene group; Ar1 and Ar2, and L1 and Ar1 andor L1 and Ar2 may be bonded to each other to form a ring; n represents 0 or 1, and when n is 0, L1 represents a single bond.
2. The organic electroluminescent element according to claim 1, wherein at least one of R1 to R4 and at least one of R5 to R8 in the general formula (1) are each a substituent represented by the general formula (2).
3. The organic electroluminescent element according to claim 1, wherein the compound represented by the general formula (1) is a compound represented by the following general formula (3):
wherein R1, R2, R4 to R6, and R8 each independently represent a hydrogen atom or a substituent, and these may be bonded to each other to form a ring;
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Ar3 to Ar6 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and Ar3 and Ar4 and Ar5 and Ar6 may be respectively bonded to each other to form a ring.
L2 and L3 each independently represent an arylene group or a heteroarylene group. Ar3 and Ar4, L2 and Ar3 andor L2 and Ar4, Ar5 and Ar6, and L3 and Ar5 andor L3 and Ar6 may be bonded to each other to form a ring;
m and t each independently represent 0 or 1, and when m and t are 0, each of L2 and L3 represents a single bond;
Z1 and Z2 and Z3 and Z4 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; when Z1 and Z2 and Z3 and Z4 are bonded to each other to form a ring, Z1 to Z4 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group and provided that Z1 and Z2 are not both alkyl groups in any case and Z3 and Z4 are not both alkyl groups in any case; when Z1 and Z2 and Z3 and Z4 are not bonded to each other to form a ring, Z1 to Z4 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group.
4. The organic electroluminescent element according to claim 1, wherein the compound represented by the general formula (3) is a compound represented by the following general formula (4):
wherein R1, R2, R4 to R6, and R8 each independently represent a hydrogen atom or a substituent, and these may be bonded to each other to form a ring;
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Ar3 to Ar6 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and Ar3 and Ar4 and Ar5 and Ar6 may be respectively bonded to each other to form a ring;
Z1 and Z2 and Z3 and Z4 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; when Z1 and Z2 and Z3 and Z4 are bonded to each other to form a ring, Z1 to Z4 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group and provided that Z1 and Z2 are not both alkyl groups in any case and Z3 and Z4 are not both alkyl groups in any case; when Z1 and Z2 and Z3 and Z4 are not bonded to each other to form a ring, Z1 to Z4 each independently represent a hydrogen atom (including a deuterium atom), an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group.
5. The organic electroluminescent element according to claim 4, wherein Z1 and Z2 and Z3 and Z4 in the general formula (4) are not respectively bonded to each other to form a ring and Z1 to Z4 are each independently a hydrogen atom, a deuterium atom, an alkyl group, a fluorine atom, a silyl group, or a cyano group.
6. The organic electroluminescent element according to claim 1, wherein the compound represented by the general formula (1) is a compound represented by the following general formula (5):
wherein R1, R2, R4 to R6, and R8 each independently represent a hydrogen atom or a substituent, and these may be bonded to each other to form a ring;
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Ar3 to Ar6 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and Ar3 and Ar4 and Ar5 and Ar6 may be respectively bonded to each other to form a ring;
Ar7 and Ar8 each independently represent an aryl group or a heteroaryl group;
L2 and L3 each independently represent an arylene group or a heteroarylene group;
m and t each independently represent 0 or 1, and when m and t are 0, each of L2 and L3 represents a single bond;
Z11 and Ar7 and Z13 and Ar8 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; when Z11 and Ar7 and Z13 and Ar8 are respectively bonded to each other to form a ring, Z11 and Z13 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group; when Z11 and Ar7 and Z13 and Ar8 are not respectively bonded to each other to form a ring, Z11 and Z13 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group.
7. The organic electroluminescent element according to claim 1, wherein the compound represented by the general formula (1) is a compound represented by the following general formula (6):
wherein R1, R2, R4 to R6, and R8 each independently represent a hydrogen atom or a substituent, and these may be bonded to each other to form a ring;
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Ar3 to Ar6 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and Ar3 and Ar4 and Ar5 and Ar6 may be respectively bonded to each other to form a ring;
Ar7 and Ar8 each independently represent an aryl group or a heteroaryl group;
Z11 and Ar7 and Z13 and Ar8 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; when Z11 and Ar7 and Z13 and Ar8 are respectively bonded to each other to form a ring, Z11 and Z13 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group; when Z11 and Ar7 and Z13 and Ar8 are not respectively bonded to each other to form a ring, Z11 and Z13 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group.
8. The organic electroluminescent element according to claim 6, wherein Z11 and Ar7 and Z13 and Ar8 in the general formulae (5) are respectively not bonded to each other to form a ring.
9. The organic electroluminescent element according to claim 6, wherein Ar3 to Ar8 in the general formulae (5) each independently represent an aryl group having 6 to 20 carbon atoms.
10. The organic electroluminescent element according to claim 6, wherein at least two or more of Ar3 to Ar8 in the general formulae (5) are an alkyl group having 1 to 5 carbon atoms, an aryl group having 6 to 12 carbon atoms, a silyl group having 3 to 18 carbon atoms, or an aryl group having a fluorine atom as a substituent.
11. The organic electroluminescent element according to claim 6, wherein Ar7 to Ar8 in the general formulae (5) are an alkyl group having 1 to 5 carbon atoms, an aryl group having 6 to 12 carbon atoms, a silyl group having 3 to 18 carbon atoms, or an aryl group having a fluorine atom as a substituent.
12. The organic electroluminescent element according to claim 6, wherein Ar7 to Ar8 in the general formulae (5) are an aryl group having a fluorine atom as a substituent.
13. The organic electroluminescent element according to claim 4, wherein at least one of Ar3 to Ar6 in the general formula (4) is an alkyl group having 1 to 5 carbon atoms, an aryl group having 6 to 12 carbon atoms, a silyl group having 3 to 18 carbon atoms, or an aryl group having a fluorine atom as a substituent.
14. The organic electroluminescent element according to claim 4, wherein at least one of Ar3 to Ar6 in the general formula (4) is a substituted or unsubstituted \u03b2-naphthyl group or biphenyl group.
15. The organic electroluminescent element according to claim 1, wherein at least one layer of the organic layer(s) containing the compound represented by the general formula (1) is a light emitting layer.
16. The organic electroluminescent element according to claim 15, wherein the light emitting layer contains an anthracene-based host material.
17. The organic electroluminescent element according to claim 16, wherein the anthracene-based host material is represented by the following general formula (An-1):
wherein Ar1 and Ar2 each independently represent an aryl group or a heteroaryl group, and R301 to R308 each independently represent a hydrogen atom or a substituent; R301 and R302, R302 and R303, R303 and R304, R305 and R306, R306 and R307, and R307 and R308 may be bonded to each other to form a ring.
18. The organic electroluminescent element according to claim 17, wherein the compound represented by the general formula (An-1) is a compound represented by the following general formula (An-2):
wherein R301 to R318 each independently represent a hydrogen atom or a substituent; R301 and R302, R302 and R303, R303 and R304, R305 and R306, R306 and R307, R307 and R308, R309 and R310, R310 and R311, R311 and R312, R312 and R313, R314 and R315, R315 and R316, R316 and R317, and R317 and R318 may be bonded to each other to form a ring.
19. The organic electroluminescent element according to claim 1, wherein at least one of the organic layer(s) contains a compound represented by the following general formula (P):
wherein RP represents an alkyl group, an aryl group, or a heteroaryl group, and these may have a substituent selected from the above-described Substituent Group A; nP represents an integer of 1 to 10, and when there are a plurality of RPs, they may be the same as or different from each other; At least one of RPs is a substituent represented by any of the following general formulae (P-1) to (P-5):
wherein RP1 to RP5, R\u2032P1 to R\u2032P3, R\u2032P5, and R\u2033P3 each represent an alkyl group, an aryl group, or a heteroaryl group, and these may have a substituent selected from the above-described Substituent Group A; nP1 to nP2, nP4, and nP5 represent an integer of 0 to 4, nP3 and nP5 each represent an integer of 0 to 2, and there are a plurality of RP1 to RP5, R\u2032P1 to R\u2032P3, R\u2032P5, and R\u2033P3, they may be the same as or different from each other; LP1 to LP5 represents any one of divalent linking groups consisting of a single bond, an aryl ring, and a heteroaryl ring; * represents a binding position with an anthracene ring of the general formula (P).
20. The organic electroluminescent element according to claim 19, wherein the compound represented by the general formula (P) is a compound having a substituent represented by the general formula (P-1) as at least one of RPs.
21. The organic electroluminescent element according to claim 19, wherein the compound represented by the general formula (P) is a compound having a substituent represented by the general formula (P-2) as at least one of RPs.
22. The organic electroluminescent element according to claim 19, wherein the compound represented by the general formula (P) is a compound having a substituent represented by the general formula (P-3) as at least one of RPs.
23. The organic electroluminescent element according to claim 19, wherein the compound represented by the general formula (P) is a compound having a substituent represented by the general formula (P-4) as at least one of RPs.
24. The organic electroluminescent element according to claim 19, wherein the compound represented by the general formula (P) is a compound having a substituent represented by the general formula (P-5) as at least one of RPs.
25. The organic electroluminescent element according to claim 1, wherein the light emitting layer is formed by a vacuum deposition process.
26. The organic electroluminescent element according to claim 1, wherein the light emitting layer is formed by a wet type process.
27. A light emitting device using the organic electroluminescent element according to claim 1.
28. A display device using the organic electroluminescent element according to claim 1.
29. An illumination device using the organic electroluminescent element according to claim 1.
30. A material for an organic electroluminescent element represented by the following general formula (1):
wherein R1 to R8 each independently represent a hydrogen atom or a substituent, these may be bonded to each other to form a ring, and at least one of R1 to R8 is a substituent represented by the following general formula (2);
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Z1 and Z2 and Z3 and Z4 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; Z1 and Z2 and Z3 and Z4 are respectively bonded to each other to form a ring, Z1 to Z4 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group and provided that Z1 and Z2 are not both alkyl groups in any case and Z3 and Z4 are not both alkyl groups in any case; when Z1 and Z2 and Z3 and Z4 are not respectively bonded to each other to form a ring, Z1 to Z4 each independently represents a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group:
wherein Ar1 and Ar2 each independently represent an alkyl group, an aryl group, or a heteroaryl group and may be bonded to each other to form a ring; L1 represents an arylene group or a heteroarylene group; L1 and Ar1, andor L1 and Ar2 may be bonded to each other to form a ring; n represents 0 or 1, and when n is 0, L1 represents a single bond.
31. The material for an organic electroluminescent element according to claim 30, wherein at least one of R1 to R4 and at least one of R5 to R8 in the general formula (1) are a substituent represented by the general formula (2).
32. The material for an organic electroluminescent element according to claim 30, represented by the following general formula (3):
wherein R1, R2, R4 to R6, and R8 each independently represent a hydrogen atom or a substituent, and these may be bonded to each other to form a ring;
R9 to R12 each independently represent an aryl group or an alkyl group having 1 to 5 carbon atoms, when R9 and R10 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8, and when R11 and R12 are each an alkyl group or a substituent having an alkyl chain, the total number of carbon atoms of the alkyl group represented by these groups is from 2 to 8;
Ar3 to Ar6 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and Ar3 and Ar4 and Ar5 and Ar6 may be respectively bonded to each other to form a ring.
L2 and L3 each independently represent an arylene group or a heteroarylene group; L2 and Ar3 andor L2 and Ar4, and L3 and Ar5 andor L3 and Ar6 may be bonded to each other to form a ring;
m and t each independently represent 0 or 1, and when m and t are 0, each of L2 and L3 represents a single bond;
Z1 and Z2 and Z3 and Z4 may be respectively bonded to each other to form a ring, but they do not form an aromatic ring in any case; Z1 and Z2 and Z3 and Z4 are bonded to each other to form a ring, Z1 to Z4 each independently represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, \u2014O\u2014, or \u2014NY\u2014, provided that Y is an alkyl group or an aryl group and provided that Z1 and Z2 are not both alkyl groups in any case and Z3 and Z4 are not both alkyl groups in any case; when Z1 and Z2 and Z3 and Z4 are not bonded to each other to form a ring, Z1 to Z4 each independently represents a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a silyl group, or a cyano group.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for setting volume settings in an audio system, the method comprising:
assigning a first volume setting for an audio data and saving the first volume setting;
assigning a second volume setting for the audio data and saving the second volume setting; and
toggling between the first volume setting and the second volume setting so the audio data is played at either the first volume setting or the second volume setting.
2. The method of claim 1, wherein during playing of the audio data, the first volume setting or the second volume setting can be adjusted by a user control.
3. The method of claim 1, wherein the steps of assigning the first volume setting and assigning the second volume setting are performed by a user control.
4. The method of claim 1, wherein the steps of assigning the first volume setting and assigning the second volume setting are performed by the audio system according to content of the audio data.
5. The method of claim 1, further comprising:
receiving the audio data from an external medium source;
wherein the audio system saves the first volume setting and the second volume setting of the external medium source for a next time of accessing the external medium source.
6. The method of claim 1, wherein the step of toggling between the first volume setting and the second volume setting comprises:
detecting a background noise level to generate a detection result; and
toggling between the first volume setting and the second volume setting according to the detection result.
7. An audio system for setting volume settings, the audio system comprising:
an audio processing system for receiving audio data from an audio data source, the audio processing system comprising:
a central processing unit (CPU) for storing a plurality of volume settings; and
a toggle switch, coupled to the CPU, for toggling between the plurality of volume settings to select a volume setting; and
a displaying device, coupled to the audio processing system, for displaying audio data received from the audio processing system according to the selected volume setting.
8. The audio system of claim 7, further comprising a remote control device, wherein the toggle switch is controlled by the remote control device.
9. The audio system of claim 7, wherein during displaying of the audio data, the selected volume setting can be adjusted by a user control.
10. The audio system of claim 7, wherein the plurality of volume settings are assigned by a user control.
11. The audio system of claim 7, wherein the plurality of volume settings are assigned by the CPU according to content of the audio data.
12. The audio system of claim 7, wherein the audio data source is an external medium source, and the audio system saves the volume settings of the external medium source for a next time of accessing the external medium source.
13. The audio system of claim 7, further comprising:
an audio sensor, coupled to the toggle switch, for detecting a background noise level;
wherein the toggle switch is toggled in response to the background noise level.