JP2005181991A5 - - Google Patents

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JP2005181991A5
JP2005181991A5 JP2004333053A JP2004333053A JP2005181991A5 JP 2005181991 A5 JP2005181991 A5 JP 2005181991A5 JP 2004333053 A JP2004333053 A JP 2004333053A JP 2004333053 A JP2004333053 A JP 2004333053A JP 2005181991 A5 JP2005181991 A5 JP 2005181991A5
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substituent
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electrophotographic apparatus
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structural formula
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電子写真感光体、帯電手段、露光手段、現像手段、転写手段及び除電手段を有する電子写真装置において、前記露光手段が半導体レーザーを有し、かつ前記除電手段がLEDを有し、該半導体レーザーの波長(λa[nm])と、該LEDの波長(λb[nm])と、前記電子写真感光体の最大分光感度時の波長(λc[nm])とが、下記式(1)を満たし、且つλa、λb及びλcの何れもが380nm〜520nmの範囲内にあることを特徴とする電子写真装置:
λa<λc<λb・・・(1)。
In an electrophotographic apparatus having an electrophotographic photosensitive member, a charging unit, an exposing unit, a developing unit, a transferring unit, and a neutralizing unit, the exposing unit has a semiconductor laser, and the neutralizing unit has an LED. The wavelength (λa [nm]), the wavelength of the LED (λb [nm]), and the wavelength at the maximum spectral sensitivity of the electrophotographic photosensitive member (λc [nm]) satisfy the following formula (1): And λa, λb, and λc are all in the range of 380 nm to 520 nm:
λa <λc <λb (1)
前記λa[nm]における感光体感度(Sa[V・m2/cJ])と、前記λb[nm]における感光体感度(Sb[V・m2/cJ])とが、下記式(3)を満たすことを特徴とする請求項1記載の電子写真装置:
Sb/Sa≧1.0・・・(3)。
The sensitivity of the photoreceptor in the λa [nm] (Sa [V · m 2 / cJ]), the sensitivity of the photoreceptor in the λb [nm] (Sb [V · m 2 / cJ]) and although the following formula ( The electrophotographic apparatus according to claim 1, wherein 3) is satisfied:
Sb / Sa ≧ 1.0 5 ··· ( 3).
前記電子写真感光体が有機感光体であることを特徴とする請求項1または2に記載の電子写真装置。 3. The electrophotographic apparatus according to claim 1, wherein the electrophotographic photoreceptor is an organic photoreceptor. 前記有機感光体の感光層電荷発生物質として下記構造式(4)のアゾ化合物を含有することを特徴とする請求項記載の電子写真装置:
Cp1−N=N−Ar−N=N−Cp2・・・(4)
(式中、Arは置換基を有してもよい芳香族炭化水素環、置換基を有してもよい複素環、またはこれらが直接あるいは芳香族性基または非芳香族性基で結合したものを表し、Cp1およびCp2は同一または異なるフェノール性水酸基を有するカプラー残基を表す。ただし、上記Cp1−N=N−と−N=N−Cp2とが同一ベンゼン環に結合する場合を除く)。
The organic photoreceptor of the photosensitive layer is a charge generation material as a following formula (4) an electrophotographic apparatus according to claim 3, characterized in that it contains an azo compound of:
Cp1-N = N-Ar-N = N-Cp2 (4)
(In the formula, Ar an aromatic hydrocarbon ring which may have a substituent, which may have a substituent heterocycle or they bound directly or aromatic group or non-aromatic group Cp1 and Cp2 represent coupler residues having the same or different phenolic hydroxyl groups, except that the above Cp1-N═N— and —N═N—Cp2 are bonded to the same benzene ring).
前記有機感光体の感光層電荷発生物質として下記構造式(5)のポルフィリン化合物を含有することを特徴とする請求項記載の電子写真装置:
Figure 2005181991
(式中、Mは、水素原子または軸配位子を有してもよい金属を示し、R11〜R18は、それぞれ独立して、水素原子、置換基を有してもよいアルキル基、置換基を有してもよい芳香環、置換基を有してもよいアミノ基、置換基を有してもよい硫黄原子、アルコキシ基、ハロゲン原子、ニトロ基またはシアノ基を示し、A11〜A14は、それぞれ独立して、水素原子、置換基を有してもよいアルキル基、置換基を有してもよい芳香環または置換基を有してもよい複素環を示し、ただし、少なくとも1つは置換基を有してもよい複素環を示す)。
The organic photoreceptor of the photosensitive layer the following structural formula (5) The electrophotographic apparatus according to claim 3, wherein the containing porphyrin compound as the charge generating material:
Figure 2005181991
(In the formula, M represents a metal that may have a hydrogen atom or an axial ligand, and R 11 to R 18 each independently represents a hydrogen atom, an alkyl group that may have a substituent, An aromatic ring which may have a substituent, an amino group which may have a substituent, a sulfur atom which may have a substituent, an alkoxy group, a halogen atom, a nitro group or a cyano group, A 11 to A 14 each independently represents a hydrogen atom, an alkyl group which may have a substituent, an aromatic ring which may have a substituent or a heterocyclic ring which may have a substituent, provided that at least One represents an optionally substituted heterocyclic ring).
前記構造式(4)が下記構造式(6)で表されることを特徴とする請求項記載の電子写真装置:
Figure 2005181991
(式中、R及びRは、それぞれ独立して、置換基を有してもよいアルキル基、置換基を有してもよいアリール基またはハロゲン原子を示し、m及びmは0〜4の整数を示し、Cp1およびCp2は同一または異なるフェノール性水酸基を有するカプラー残基を表す)。
The structural formula (4) is an electrophotographic apparatus according to claim 4, characterized by being represented by the following structural formula (6):
Figure 2005181991
(In the formula, R 1 and R 2 each independently represent an alkyl group which may have a substituent, an aryl group which may have a substituent, or a halogen atom, and m 1 and m 2 are 0. Represents an integer of -4, and Cp1 and Cp2 represent coupler residues having the same or different phenolic hydroxyl groups).
前記構造式(4)のCp1およびCp2の少なくとも一方が下記構造式(7)または(8)であることを特徴とする請求項記載の電子写真装置:
Figure 2005181991
Figure 2005181991
(上記式(7)、(8)中、R及びRは、それぞれ独立して、水素原子、置換基を有してもよいアルキル基、置換基を有してもよいアリール基または置換基を有してもよい複素環基を表し、また、RとRは式中の窒素原子を介して環状アミノ基を形成してもよく、Zは酸素原子または硫黄原子を表し、nは0または1を表し、Yは置換基を有してもよい2価の芳香族炭化水素環基または置換基を有してもよい2価の含窒素複素環基を表す)。
The electrophotographic apparatus according to claim 4, wherein at least one of Cp1 and Cp2 in the structural formula (4) is the following structural formula (7) or (8):
Figure 2005181991
Figure 2005181991
(In the above formulas (7) and (8), R 3 and R 4 are each independently a hydrogen atom, an alkyl group that may have a substituent, an aryl group that may have a substituent, or a substituent. Represents a heterocyclic group which may have a group, R 3 and R 4 may form a cyclic amino group via a nitrogen atom in the formula, Z represents an oxygen atom or a sulfur atom, and n Represents 0 or 1, and Y represents a divalent aromatic hydrocarbon ring group which may have a substituent or a divalent nitrogen-containing heterocyclic group which may have a substituent.
前記構造式(4)が下記構造式(6)であり、かつCp1およびCp2の少なくとも一方が前記構造式(7)または(8)であることを特徴とする請求項記載の電子写真装置:
Figure 2005181991
(上記式(6)中、R及びRは、それぞれ独立して、置換基を有してもよいアルキル基、置換基を有してもよいアリール基またはハロゲン原子を示し、m及びmは0〜4の整数を示す)。
The electrophotographic apparatus according to claim 4, wherein the structural formula (4) is the following structural formula (6), and at least one of Cp1 and Cp2 is the structural formula (7) or (8).
Figure 2005181991
(In the above formula (6), R 1 and R 2 each independently represents an alkyl group which may have a substituent, an aryl group which may have a substituent, or a halogen atom, and m 1 and m 2 represents an integer of 0 to 4).
前記構造式(5)で表される化合物が、前記構造式(5)における11〜R18が全て水素原子であり、かつA11〜A14が全てピリジル基である、5,10,15,20−テトラピリジル−21H,23H−ポルフィリン化合物であることを特徴とする請求項記載の電子写真装置。 In the compound represented by the structural formula (5), R 11 to R 18 in the structural formula (5) are all hydrogen atoms, and A 11 to A 14 are all pyridyl groups. The electrophotographic apparatus according to claim 5 , wherein the electrophotographic apparatus is a 20-tetrapyridyl-21H, 23H-porphyrin compound. 前記5,10,15,20−テトラピリジル−21H,23H−ポルフィリン化合物が、CuKα特性X線回折におけるブラッグ角(2θ±0.2°)の8.2°、19.7°、20.8°および25.9°にピークを有する結晶形の5,10,15,20−テトラ(4−ピリジル)−21H,23H−ポルフィリン結晶であることを特徴とする請求項記載の電子写真装置。 The 5,10,15,20-tetrapyridyl-21H, 23H-porphyrin compound has a Bragg angle (2θ ± 0.2 °) of 8.2 °, 19.7 °, 20.8 in CuKα characteristic X-ray diffraction. 10. The electrophotographic apparatus according to claim 9 , wherein the electrophotographic apparatus is a crystal form of 5,10,15,20-tetra (4-pyridyl) -21H, 23H-porphyrin crystal having peaks at .degree. And 25.9.degree. 前記除電手段が、帯電前露光、またはクリーニング前露光を行うように配置されていることを特徴とする請求項1または2に記載の電子写真装置。 The charge-eliminating unit, an electrophotographic apparatus according to claim 1 or 2, characterized in that it is arranged so the pre-charge exposure, or pre-cleaning exposure light performed.
JP2004333053A 2003-11-26 2004-11-17 Electrophotographic equipment Expired - Fee Related JP4533100B2 (en)

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JP4323629B2 (en) * 1998-07-31 2009-09-02 キヤノン株式会社 Electrophotographic equipment
JP3800840B2 (en) * 1998-12-25 2006-07-26 キヤノン株式会社 Electrophotographic method and electrophotographic apparatus
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