摘要:
An optical recording medium having a substrate and at least a recording layer disposed on the substrate, the recording layer comprising at least one squarylium metal chelate compound which comprises a squarylium compound and a metal; and at least one azo metal chelate compound which comprises another metal and an azo compound expressed by the following formula (A-I): where A and B each independently expresses a residue forming one of a) a heterocyclic ring which may comprise a substituent and b) aromatic ring which may comprise a substituent, by combination with corresponding carbon atoms respectively bonded to A or B, and X expresses an active-hydrogen-containing substituent group. An optical recording method, and optical recording device using the same optical recording medium.
摘要:
An optical recording medium having a substrate, and a recording layer provided on the substrate and containing: (a) a formazan metal chelate including a formazan compound and a metal component, (b) a squarylium metal chelate including a squarylium compound and a metal component; and (c) at least one additional dye selected from phthalocyanine compounds and pentamethine cyanine compounds. Alternatively, the recording layer contains (a) a first formazan metal chelate including a first formazan compound and a first metal component and having the maximum absorption wavelength in the range of 500 to 650 nm, (b) a squarylium metal chelate including a squarylium compound and a metal component; and (c) a second formazan metal chelate including a second formazan compound and a second metal component and having the maximum absorption wavelength different from that of the first formazan metal chelate and in the range of 650 to 750 nm.
摘要:
An optical recording medium has a substrate and a recording layer formed thereon, the recording layer containing at least one squarylium compound and one azo metal chelate compound including an azo moiety of formula (I-1) or (I-2) and a metal: wherein A, B, A′, and X are the same as those previously defined in the specification. Writing and reading steps are performed by the application of a semiconductor laser beam with a wavelength in a range from 600 to 720 nm.
摘要:
An optical recording medium includes a substrate and at least a recording layer deposited on or above the substrate, and the recording layer contains at least one formazan-metal chelate compound containing a formazan compound and a metal component; at least one squarylium-metal chelate compound containing a squarylium compound and a metal component; and at least one diarylamine compound.
摘要:
The present invention provides an optical recording medium including a substrate and a recording layer on the substrate having a squarylium metal chelate compound with a central metal. The recording layer includes a mixture of squarylium metal chelate compounds having ligands of the same type as well as metals of two or more types as the central metal. It is preferable that the recording layer includes a squarylium metal chelate compound having a bivalent metal as its central metal and a squarylium metal chelate compound having a metal other than a bivalent metal as its central metal.
摘要:
An object of the present invention is to provide a material having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for recording for DVD-R. More specifically, the present invention provides squarylium compounds in a state of a metal complex represented by the general formula (I): wherein, R1 and R2 are the same or different, and represent an alkyl group optionally having a substituent, an aralkyl group optionally;,having a substituent, an aryl group optionally having a substituent, or a heterocyclic group optionally having a substituent; Q represents a metal atom with a coordination ability; q represents 2 or 3; and A represents an aryl group optionally having a substituent, a heterocyclic group optionally having a substituent, or Y═CH— wherein Y represents an aryl group optionally having a substituent or a heterocyclic group optionally having a substituent.
摘要:
An object of the present invention is to provide novel squarylium compounds having the spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R, and optical recording media using the same. More particularly, the present invention provides novel squarylium compounds represented by the general formula (I). In addition, the present invention provides optical recording media having a recording layer containing said squarylium compound.
摘要:
Squarylium compounds having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R represented by the general formula (I), having pyrazole and indoline skeletons in the molecule and optical recording media having a recording layer comprising an asymmetric squarylium compound of formula (I).
摘要:
The present invention provides filters for an electronic display device comprising a squarylium compound represented by the general formula (I): wherein X represents a nitrogen atom or an oxygen atom; Q represents a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; and R1, R2, R3, R4, R5, R6 and m are as defined in the specification. The filters for an electronic display device of the present invention can selectively shield the light having such a wavelength that reduces the color purity, and thereby can provide clear images.
摘要翻译:本发明提供一种电子显示装置的滤光器,其包括由通式(I)表示的方酸化合物:其中X表示氮原子或氧原子; Q表示碳原子,氮原子,氧原子或硫原子; R 1,R 2,R 3,R 4,R 5,R 6和m如说明书中所定义。 本发明的电子显示装置的滤波器可以选择性地屏蔽具有降低色纯度的波长的光,从而可以提供清晰的图像。
摘要:
The present invention relates to an optical recording medium containing a first substrate, a first information layer, an intermediate layer, a second information layer and a second substrate in this order, wherein the first information layer contains a first recording layer disposed on the first substrate and the second information layer contains a reflective layer, a second recording layer containing an organic dye and a protective layer which are disposed on the second substrate in this order; and the second recording layer contains an organic dye which is at least one elected from the group consisting of the specified squarylium metal chelate compounds.