1. A benzothiophene derivative represented by following general formula (1):
(A)h-(X)k\u2014(B)m-L-(C)n\u2014(Y)p-(D)q\u2003\u2003(1)
wherein
X represents a substituted or unsubstituted pyrene residue group;
A and D each independently represent hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group having 3 to 50 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 1 to 50 ring carbon atoms, a substituted or unsubstituted alkyl or alkylene group having 1 to 50 carbon atoms or a substituted or unsubstituted alkenyl or alkenylene group having 1 to 50 carbon atoms;
B and C each independently represent a single bond, a substituted or unsubstituted aromatic hydrocarbon group having 3 to 50 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 1 to 50 ring carbon atoms, a substituted or unsubstituted alkyl or alkylene group having 1 to 50 carbon atoms or a substituted or unsubstituted alkenyl or alkenylene group having 1 to 50 carbon atoms;
Y represents a substituted or unsubstituted condensed cyclic group andor condensed heterocyclic group having 5 to 50 ring carbon atoms;
L represents a substituted or unsubstituted benzothiophenylene group;
k represents an integer of 1 to 3;
h and q each represent an integer of 0 to 4;
m and n each represent an integer of 0 to 5; and
p represents an integer of 0 to 3.
2. A benzothiophene derivative according to claim 1, which is represented by any one of following general formulae (2) and (3):
X\u2014(B)m-L-(C)n\u2014Y\u2003\u2003(2)
(A)h-(X)k\u2014(B)m-L\u2003\u2003(3)
wherein X, A, B, C, Y, L, h, k, m and n are as defined in claim 1.
3. A benzothiophene derivative according to claim 1, which is represented by any one of following general formulae (4) to (7):
wherein
R1 to R8 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 3 to 50 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 1 to 50 ring carbon atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted alkoxyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryloxyl group having 1 to 50 carbon atoms, a substituted or unsubstituted arylthio group having 1 to 50 carbon atoms, a substituted or unsubstituted alkoxycarbonyl group having 1 to 50 carbon atoms, carboxyl group, a halogen atom, cyano group, nitro group or hydroxyl group, and adjacent groups represented by any of R1 to R8 may be bonded to each other to form a cyclic structure when a plurality of groups are present;
a to d and f to h each represent an integer of 0 to 3; and
e represents an integer of 0 to 2.
4. A benzothiophene derivative according to claim 1, which is a light emitting material for organic electroluminescence devices.
5. A benzothiophene derivative according to claim 1, which is a host material for organic electroluminescence devices.
6. An electroluminescence device which comprises a cathode, an anode and an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises the benzothiophene derivative described in claim 1 singly or as a component of a mixture.
7. An electroluminescence device according to claim 6, wherein the light emitting layer comprises the benzothiophene derivative.
8. An electroluminescence device according to claim 6, wherein the light emitting layer further comprises an arylamine compound.
9. An electroluminescence device according to claim 6, wherein the light emitting layer further comprises a styrylamine compound.
10. An electroluminescence device according to claim 6, wherein the light emitting layer further comprises a metal complex compound.
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 control circuit for executing a cyclic lightquench control of an LED lighting device,
the LED lighting device comprising a first light-emitting unit and a second light-emitting unit differing in a color temperature mutually,
the control circuit comprising a first driving circuit and a second driving circuit, wherein
the control circuit for generating first and second switching control signals based on a chromaticity control signal and a luminance control signal, and executing a cyclic lightquench control of the first light-emitting unit and the second light-emitting unit so as to have a lighting period and a quenching period for lightingquenching the first light-emitting unit and the second light-emitting unit, according to the generated first and second switching control signals, and the control circuit is configured for generating a pulse number modulation output signal based on the chromaticity control signal and the luminance control signal, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control according to the first and second switching control signals on which the generated pulse number modulation output signal is superimposed, wherein
the first driving circuit is configured for output the first switching control signal, and the second driving circuit is configured for output the second switching control signal.
2. The control circuit according to claim 1, wherein
the control circuit executes a variable control of a ratio between the lighting period of the first light-emitting unit and the lighting period of the second light-emitting unit in the lighting period, according to a chromaticity control signal, and executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle.
3. The control circuit according to claim 1, wherein
the control circuit executes a variable control of the length of the quenching period according to a luminance control signal, whereas the length of the lighting period is kept up uniformly, and executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle.
4. The control circuit according to claim 1, wherein
the control circuit executes a variable control of the ratio between the lighting period and the quenching period in a predetermined lightingquenching cycle according to a luminance control signal, and executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle.
5. A control circuit for executing a cyclic lightquench control of an LED lighting device,
the LED lighting device comprising a first light-emitting unit and a second light-emitting unit differing in a color temperature mutually,
the control circuit comprising a first driving circuit and a second driving circuit, wherein
the control circuit is configured for executing a lightquench control of the first light-emitting unit and the second light-emitting unit,
the control circuit is configured for including: a lightquench control unit for generating first and second switching controls signal based on a chromaticity control signal and a luminance control signal, and executing a cyclic lightquench control of the first light-emitting unit and the second light-emitting unit so as to have a lighting period and a quenching period for lightingquenching the first light-emitting unit and the second light-emitting unit, according to the generated first and second switching control signals; and a pulse number modulation control unit for generating a pulse number modulation output signal based on the chromaticity control signal and the luminance control signal, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control according to the first and second switching control signals on which the generated pulse number modulation output signal is superimposed, wherein
the first driving circuit is configured for output the first switching control signal, and the second driving circuit is configured for output the second switching control signal.
6. The control circuit according to claim 5, wherein
the lightquench control unit further executes a variable control of the ratio between the lighting period of the first light-emitting unit and the lighting period of the second light-emitting unit in the lighting period according to a chromaticity control signal, and the pulse number modulation control unit also further executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle according to the chromaticity control signal.
7. The control circuit according to claim 5, wherein
the lightquench control unit further executes a variable control of the length of the quenching period according to a luminance control signal whereas the length of the lighting period is kept up uniformly, and the pulse number modulation control unit also further executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle according to the luminance control signal.
8. The control circuit according to claim 5, wherein
the lightquench control unit further executes a variable control of the ratio between the lighting period and the quenching period in a predetermined lightingquenching cycle according to a luminance control signal, and the pulse number modulation control unit is also further executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle according to the luminance control signal.
9. A control circuit for executing a cyclic lightquench control of an LED lighting device,
the LED lighting device comprising: a first light-emitting unit and a second light-emitting unit differing in a color temperature mutually; and a changing operation unit for executing an operation for changing a color temperature of illumination light,
the control circuit comprising a first driving circuit and a second driving circuit, wherein
the control circuit is configured for generating first and second switching control signals based on a chromaticity control signal and a luminance control signal, and executing a cyclic lightquench control of the first light-emitting unit and the second light-emitting unit so as to have a lighting period and a quenching period for lightingquenching the first light-emitting unit and the second light-emitting unit, according to the generated first and second switching control signals, the control circuit is configured for generating a pulse number modulation output signal based on the chromaticity control signal and the luminance control signal, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control according to the first and second switching control signals on which the generated pulse number modulation output signal is superimposed, and for determining a length of the lighting period of the first light-emitting unit and a length of the lighting period of the second light-emitting unit in the lighting period in response to the operation in the changing operation unit so that an amount of variation of an inverse correlated color temperature of the illumination light with respect to an amount of the operation of the changing operation unit becomes linear, wherein
the first driving circuit is configured for output the first switching control signal, and the second driving circuit is configured for output the second switching control signal.
10. The control circuit according to claim 9, wherein
the control circuit executes a variable control of the length of the quenching period according to a luminance control signal whereas the length of the lighting period is kept up uniformly.
11. The control circuit according to claim 9, wherein
the control circuit executes a variable control of the ratio between the lighting period and the quenching period in a predetermined lightingquenching cycle according to a luminance control signal.
12. A control circuit for executing a cyclic lightquench control of an LED lighting device,
the LED lighting device comprising: a first light-emitting unit and a second light-emitting unit differing in a color temperature mutually; and a changing operation unit for executing an operation for changing a color temperature of illumination light,
the control circuit comprising a first driving circuit and a second driving circuit, wherein
the control circuit is configured for generating first and second switching control signals based on a chromaticity control signal and a luminance control signal, and executing a cyclic lightquench control of the first light-emitting unit and the second light-emitting unit so as to have a lighting period and a quenching period for lightingquenching the first light-emitting unit and the second light-emitting unit, according to the generated first and second switching control signals, the control circuit is configured for generating a pulse number modulation output signal based on the chromaticity control signal and the luminance control signal, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control according to the first and second switching control signals on which the generated pulse number modulation output signal is superimposed, and for determining a length of the lighting period of the first light-emitting unit and a length of the lighting period of the second light-emitting unit in the lighting period, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control, in response to the operation in the changing operation unit so that an amount of variation of an inverse correlated color temperature of the illumination light with respect to an amount of the operation of the changing operation unit becomes linear, wherein
the first driving circuit is configured for output the first switching control signal, and the second driving circuit is configured for output the second switching control signal.
13. The control circuit according to claim 12, wherein
the control circuit executes a variable control of the length of the quenching period according to a luminance control signal whereas the length of the lighting period is kept up uniformly.
14. The control circuit according to claim 12, wherein
the control circuit executes a variable control of the ratio between the lighting period and the quenching period in a predetermined lightingquenching cycle according to a luminance control signal.
15. A control circuit for executing a cyclic lightquench control of an LED lighting device,
the LED lighting device comprising: a first light-emitting unit and a second light-emitting unit differing in a color temperature mutually; and a changing operation unit for executing an operation for changing a color temperature of illumination light,
the control circuit comprising a first driving circuit and a second driving circuit, wherein
the control circuit is configured for generating first and second switching control signals based on a chromaticity control signal and a luminance control signal, and executing a lightquench control of the first light-emitting unit and the second light-emitting unit,
the control circuit is configured for including: a lightquench control unit for executing a cyclic lightquench control of the first light-emitting unit and the second light-emitting unit, for generating a pulse number modulation output signal based on the chromaticity control signal and the luminance control signal, and executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control according to the first and second switching control signals on which the generated pulse number modulation output signal is superimposed, and further determining a length of the lighting period of the first light-emitting unit and a length of the lighting period of the second light-emitting unit in the lighting period in response to the operation in the changing operation unit so that an amount of variation of an inverse correlated color temperature of the illumination light with respect to an amount of the operation of the changing operation unit becomes linear so as to have a lighting period and a quenching period for lightingquenching the first light-emitting unit and the second light-emitting unit, according to the generated first and second switching control signals; and a pulse number modulation control unit for executing a light control of the first light-emitting unit and the second light-emitting unit by a pulse number modulation control, and further executing a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control according to the amount of variation of the inverse correlated color temperature, wherein
the first driving circuit is configured for output the first switching control signal, and the second driving circuit is configured for output the second switching control signal.
16. The control circuit according to claim 15, wherein
the lightquench control unit further executes a variable control of the length of the quenching period according to a luminance control signal whereas the length of the lighting period is kept up uniformly, and the pulse number modulation control unit also further executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle according to the luminance control signal.
17. The control circuit according to claim 15, wherein
the lightquench control unit further executes a variable control of the ratio between the lighting period and the quenching period in a predetermined lightingquenching cycle according to a luminance control signal, and the pulse number modulation control unit is also further executes a light control of the first light-emitting unit and the second light-emitting unit by the pulse number modulation control in the fixed cycle according to the luminance control signal.