1. A heterocyclic quinoid thiophene organic photoelectric material, comprising a compound represented by formula (1):
wherein R1, R2, R5 and R6, which are identical or different, are H or C1-C20 alkyl or alkoxyl; R3 and R4, which are identical or different, are C1-C20 alkyl or alkoxyl; a and b, which are identical or different, are integer of 1-12; X is Si or C.
2. The heterocyclic quinoid thiophene organic photoelectric material according to claim 1, wherein the R1 and R6, which are identical, are H or C1-C20 alkyl or alkoxyl; the R2 and R5, which are identical, are H or C1-C20 alkyl or alkoxyl; the R3 and R4, which are identical, are C1-C20 alkyl or alkoxyl.
3. The heterocyclic quinoid thiophene organic photoelectric material according to claim 1, wherein the a and b are identical integer of 1-12.
4. The heterocyclic quinoid thiophene organic photoelectric material according to claim 1, wherein the a and b are 1 or 2.
5. A preparation method of a hetercycloquinoid thiophene organic photoelectric material comprising the following steps:
providing compounds A, B and C represented by following formulas, respectively, and malononitrile,
wherein R1, R2, R5 and R6, which are identical or different, are H or C1-C20 alkyl or alkoxyl; R3 and R4, which are identical or different, are C1-C20 alkyl or alkoxyl; a and b, which are identical or different, are integer of 1-12; X is Si or C, An is C1-C4 alkyl;
carrying out a Stille coupling reaction using the compounds A, B and C in the presence of a solvent and a catalyst;
carrying out a bromine substitution reaction using the product produced by the Stille coupling reaction to generate a brominated product;
carrying out a condensation reaction using the brominated product and the malononitrile in the presence of a solvent, a catalyst and a condensating agent to generate a compound represented by following formula (1):
6. The preparation method of the hetercycloquinoid thiophene organic photoelectric material according to claim 5, further comprising purifying the product using silica gel column chromatography after the Stille coupling reaction, the bromine substitution reaction and the condensation reaction to obtain the coupling reaction product, the brominated product and the compound having the structural formula (1), respectively.
7. The preparation method of the hetercycloquinoid thiophene organic photoelectric material according to claim 5, wherein the bromine substitution reaction is carried out using the product of the Stille coupling reaction substitutional react with N-bromosuccinimide, Br2, HBr or PBr3 in the presence of a solvent of dimethylformamide, THF, CCl4, chloroform, methylene dichloride or acetonitrile.
8. The preparation method of the hetercycloquinoid thiophene organic photoelectric material according to claim 5, wherein the catalyst of the condensation reaction is organic palladium catalyst and the solvent is dimethoxyethane, ethanol, methanol, dichloromethane, chloroform, tetrahydrofuran, ethyl acetate, DMF, toluene or acetone.
9. The preparation method of the hetercycloquinoid thiophene organic photoelectric material according to claim 5, the catalyst of the Stille coupling reaction is organic palladium catalyst, the solvent is tetrahydrofuran, dichloromethane, dimethoxyethane, ether or toluene, and the condensating agent is sodium hydride or sodium alkoxide.
10. A method for the applications of the hetercycloquinoid thiophene organic photoelectric material according to claim 1 in preparation of solar cell devices, organic field-effect transistors, organic electroluminescent devices, organic optical memory devices, organic nonlinear materials or organic laser devices.
11. A method for the applications of the hetercycloquinoid thiophene organic photoelectric material according to claim 2 in preparation of solar cell devices, organic field-effect transistors, organic electroluminescent devices, organic optical memory devices, organic nonlinear materials or organic laser devices.
12. A method for the applications of the hetercycloquinoid thiophene organic photoelectric material according to claim 3 in preparation of solar cell devices, organic field-effect transistors, organic electroluminescent devices, organic optical memory devices, organic nonlinear materials or organic laser devices.
13. A method for the applications of the hetercycloquinoid thiophene organic photoelectric material according to claim 4 in preparation of solar cell devices, organic field-effect transistors, organic electroluminescent devices, organic optical memory devices, organic nonlinear materials or organic laser devices.
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 light emitting device, comprising:
a light emitting element configured to emit light with a first wavelength; and
a light emitting conversion unit configured to convert the light with the first wavelength by using wavelength conversion materials including a short wavelength conversion material and a long wavelength conversion material, the short wavelength conversion material emits light with a second wavelength longer in wavelength than the light with the first wavelength by absorbing the light with the first wavelength, and the long wavelength conversion material emits light with a wavelength longer than the second wavelength by absorbing the light with the first wavelength,
wherein a proportion of the short wavelength conversion material of the wavelength conversion materials included in a first region of the light emitting conversion unit is smaller than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit, and
a proportion of the short wavelength conversion material of the wavelength conversion materials included in a second region, which is a region more distant from the light emitting element than the first region in the light emitting conversion unit, is larger than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit, and
wherein the short wavelength conversion material is included more in the second region than the long wavelength conversion material.
2. A light emitting device, comprising:
a light emitting element configured to emit light with a first wavelength;
a light emitting conversion unit configured to convert the light with the first wavelength by using wavelength conversion materials including a short wavelength conversion material and a long wavelength conversion material, the short wavelength conversion material emits light with a second wavelength longer in wavelength than the light with the first wavelength by absorbing the light with the first wavelength, and the long wavelength conversion material emits light with a wavelength longer than the second wavelength by absorbing the light with the first wavelength, and,
a wavelength selecting material, which penetrates light with a wavelength longer than the first and the second wavelengths, and which reflects the light with the second wavelength, the wavelength selecting material is provided between the first region and the second region,
wherein a proportion of the short wavelength conversion material of the wavelength conversion materials included in a first region of the light emitting conversion unit is smaller than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit, and
a proportion of the short wavelength conversion material of the wavelength conversion materials included in a second region, which is a region more distant from the light emitting element than the first region in the light emitting conversion unit, is larger than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit.
3. The light emitting device according to claim 1, further comprising a wavelength selecting material, which penetrates light with a wavelength longer than the first and the second wavelengths, and which reflects the light with the second wavelength, the wavelength selecting material is provided between the first region and the second region.
4. The light emitting device according to claim 2, wherein each of the first region, the second region, and the wavelength selecting material is formed in a sheet form.
5. The light emitting device according to claim 3, wherein each of the first region, the second region, and the wavelength selecting material is formed in a sheet form.
6. A light emitting device, comprising:
a light emitting element configured to emit light with a first wavelength; and
a light emitting conversion unit configured to convert the light with the first wavelength by using wavelength conversion materials including a short wavelength conversion material and a long wavelength conversion material, the short wavelength conversion material emits light with a second wavelength longer in wavelength than the light with the first wavelength by absorbing the light with the first wavelength, and the long wavelength conversion material emits light with a wavelength longer than the second wavelength by absorbing the light with the first wavelength,
wherein a proportion of the short wavelength conversion material of the wavelength conversion materials included in a first region of the light emitting conversion unit is smaller than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit, and
a proportion of the short wavelength conversion material of the wavelength conversion materials included in a second region, which is a region more distant from the light emitting element than the first region in the light emitting conversion unit, is larger than a proportion of the short wavelength conversion material of the wavelength conversion materials included in the entire light emitting conversion unit, and
wherein said first region and said second region each comprise an amount of short and long wavelength conversion material and wherein in the first region the proportion of long wavelength conversion material is greater than the proportion of the short wavelength material and in the second region the proportion of short wavelength conversion material is greater than the proportion of the long wavelength conversion material.
7. The light emitting device of claim 6, further comprising:
a wavelength selecting material, which penetrates light with a wavelength longer than the first and the second wavelengths, and which reflects the light with the second wavelength, the wavelength selecting material is provided between the first region and the second region.
8. The light emitting device of claim 7, wherein each of the first region, the second region, and the wavelength selecting material is formed in a sheet form.