JPH0454230B2 - - Google Patents

Info

Publication number
JPH0454230B2
JPH0454230B2 JP63067281A JP6728188A JPH0454230B2 JP H0454230 B2 JPH0454230 B2 JP H0454230B2 JP 63067281 A JP63067281 A JP 63067281A JP 6728188 A JP6728188 A JP 6728188A JP H0454230 B2 JPH0454230 B2 JP H0454230B2
Authority
JP
Japan
Prior art keywords
layer
pigment
charge
charge generation
charge transport
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP63067281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01241564A (ja
Inventor
Hideyuki Takai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP63067281A priority Critical patent/JPH01241564A/ja
Priority to US07/326,735 priority patent/US4895781A/en
Publication of JPH01241564A publication Critical patent/JPH01241564A/ja
Publication of JPH0454230B2 publication Critical patent/JPH0454230B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/378—Trisazo dyes of the type
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0664—Dyes
    • G03G5/0675—Azo dyes
    • G03G5/0679—Disazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
JP63067281A 1988-03-23 1988-03-23 電子写真感光体 Granted JPH01241564A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP63067281A JPH01241564A (ja) 1988-03-23 1988-03-23 電子写真感光体
US07/326,735 US4895781A (en) 1988-03-23 1989-03-21 Layered electrophotographic photosensitive member containing substituted polycyclo trisazo compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63067281A JPH01241564A (ja) 1988-03-23 1988-03-23 電子写真感光体

Publications (2)

Publication Number Publication Date
JPH01241564A JPH01241564A (ja) 1989-09-26
JPH0454230B2 true JPH0454230B2 (en]) 1992-08-28

Family

ID=13340432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63067281A Granted JPH01241564A (ja) 1988-03-23 1988-03-23 電子写真感光体

Country Status (2)

Country Link
US (1) US4895781A (en])
JP (1) JPH01241564A (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521137B2 (ja) * 1988-11-08 1996-07-31 富士写真フイルム株式会社 電子写真感光体
JP2779636B2 (ja) * 1989-02-13 1998-07-23 コニカ株式会社 感光体
DE69517848T2 (de) * 1994-03-07 2000-12-07 Canon K.K., Tokio/Tokyo Elektrophotographisches, lichtempfindliches Element, Prozesskassette und elektrophotographisches Gerät worin das Element eingebaut ist
WO1998018764A1 (de) * 1996-10-28 1998-05-07 Merck Patent Gmbh Dihydrobenzoanthracenone, -pyrimidinone oder dihydronaphthochinolinone
EP0977088B1 (en) 1998-07-31 2008-08-20 Canon Kabushiki Kaisha Use of an electrophotographic photosensitive member for an electrophotographic apparatus equipped with a semiconductor laser having wavelengths from 380nm to 500nm, and electrophotographic apparatus
US9145383B2 (en) 2012-08-10 2015-09-29 Hallstar Innovations Corp. Compositions, apparatus, systems, and methods for resolving electronic excited states
US9867800B2 (en) 2012-08-10 2018-01-16 Hallstar Innovations Corp. Method of quenching singlet and triplet excited states of pigments, such as porphyrin compounds, particularly protoporphyrin IX, with conjugated fused tricyclic compounds have electron withdrawing groups, to reduce generation of reactive oxygen species, particularly singlet oxygen
US9125829B2 (en) 2012-08-17 2015-09-08 Hallstar Innovations Corp. Method of photostabilizing UV absorbers, particularly dibenzyolmethane derivatives, e.g., Avobenzone, with cyano-containing fused tricyclic compounds

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436800A (en) * 1981-05-28 1984-03-13 Ricoh Co., Ltd. Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance

Also Published As

Publication number Publication date
JPH01241564A (ja) 1989-09-26
US4895781A (en) 1990-01-23

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