JPH0282540U - - Google Patents

Info

Publication number
JPH0282540U
JPH0282540U JP1988162537U JP16253788U JPH0282540U JP H0282540 U JPH0282540 U JP H0282540U JP 1988162537 U JP1988162537 U JP 1988162537U JP 16253788 U JP16253788 U JP 16253788U JP H0282540 U JPH0282540 U JP H0282540U
Authority
JP
Japan
Prior art keywords
printer head
led
disturbance prevention
prevention piece
opening
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.)
Granted
Application number
JP1988162537U
Other languages
Japanese (ja)
Other versions
JPH085814Y2 (en
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 filed Critical
Priority to JP1988162537U priority Critical patent/JPH085814Y2/en
Publication of JPH0282540U publication Critical patent/JPH0282540U/ja
Application granted granted Critical
Publication of JPH085814Y2 publication Critical patent/JPH085814Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/753—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between laterally-adjacent chips

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Facsimile Heads (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係るプリンタヘツドの実施例
を示す説明図、第２図は第１図のＡ−Ａ断面図、
第３図は従来のプリンタヘツドの発光による反射
の様子を示す説明図、第４から６図および第８，
９図は本考案に係る他のそれぞれの実施例を示す
説明図、第７図は本考案に係る不透明ガラスカバ
ーを製造する具体例を示す説明断面図、第１０図
はプリンタヘツドと感光体ドラムの配置関係を示
す説明図、第１１図はＬＥＤプリンタヘツドの具
体的構成を示す説明図である。 １……ＬＥＤアレイチツプ、２……ドライバＩ
Ｃ、３……ボンデイングワイヤ、４……セラミツ
ク基板、５……セルフオツクレンズ、７……遮光
板、８……不透明ガラスカバー、８ａ……開口部
、９……不透明板、９ａ……開口部、１０……筐
体、２０……出力光、２１……反射光、３０……
感光体ドラム。 FIG. 1 is an explanatory diagram showing an embodiment of the printer head according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG.
Figure 3 is an explanatory diagram showing the state of reflection due to light emitted from a conventional printer head, Figures 4 to 6, and Figures 8 and 8.
FIG. 9 is an explanatory diagram showing other embodiments of the present invention, FIG. 7 is an explanatory sectional view showing a specific example of manufacturing an opaque glass cover according to the present invention, and FIG. 10 is a printer head and a photosensitive drum. FIG. 11 is an explanatory diagram showing the specific arrangement of the LED printer head. 1...LED array chip, 2...Driver I
C, 3... bonding wire, 4... ceramic substrate, 5... self-cleaning lens, 7... light shielding plate, 8... opaque glass cover, 8a... opening, 9... opaque plate, 9a... opening Part, 10... Housing, 20... Output light, 21... Reflected light, 30...
photosensitive drum.

Claims (1)

【実用新案登録請求の範囲】 (1) ＬＥＤの発光領域とセルフオツクレンズと
の間の光学通路を残し、反射光による外乱を遮る
外乱防止片を設けてなるＬＥＤプリンタヘツド。 (2) 外乱防止片が光学通路の両側に立設された
遮光板である請求項１記載のＬＥＤプリンタヘツ
ド。 (3) 外乱防止片が光学通路の開口部を残して不
透明化されたガラスカバーである請求項１記載の
ＬＥＤプリンタヘツド。 (4) 外乱防止片が光学通路の開口部を形成して
配置された不透明板である請求項１記載のＬＥＤ
プリンタヘツド。[Claims for Utility Model Registration] (1) An LED printer head that leaves an optical path between the light emitting area of the LED and the self-cleaning lens and is provided with a disturbance prevention piece that blocks disturbances caused by reflected light. (2) The LED printer head according to claim 1, wherein the disturbance prevention pieces are light shielding plates erected on both sides of the optical path. (3) The LED printer head according to claim 1, wherein the disturbance prevention piece is a glass cover made opaque leaving an opening for the optical passage. (4) The LED according to claim 1, wherein the disturbance prevention piece is an opaque plate arranged to form an opening of an optical passage.
printer head.
JP1988162537U 1988-12-15 1988-12-15 LED printer head Expired - Lifetime JPH085814Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988162537U JPH085814Y2 (en) 1988-12-15 1988-12-15 LED printer head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988162537U JPH085814Y2 (en) 1988-12-15 1988-12-15 LED printer head

Publications (2)

Publication Number Publication Date
JPH0282540U true JPH0282540U (en) 1990-06-26
JPH085814Y2 JPH085814Y2 (en) 1996-02-21

Family

ID=31446453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988162537U Expired - Lifetime JPH085814Y2 (en) 1988-12-15 1988-12-15 LED printer head

Country Status (1)

Country Link
JP (1) JPH085814Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5157896B2 (en) * 2006-04-04 2013-03-06 富士ゼロックス株式会社 Light emitting element array with microlens and optical writing head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612941U (en) * 1984-06-12 1986-01-09 日本信号株式会社 Exposure device of electrophotographic printing machine
JPS61209176A (en) * 1985-03-13 1986-09-17 Oki Electric Ind Co Ltd Optical print head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612941U (en) * 1984-06-12 1986-01-09 日本信号株式会社 Exposure device of electrophotographic printing machine
JPS61209176A (en) * 1985-03-13 1986-09-17 Oki Electric Ind Co Ltd Optical print head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5157896B2 (en) * 2006-04-04 2013-03-06 富士ゼロックス株式会社 Light emitting element array with microlens and optical writing head

Also Published As

Publication number Publication date
JPH085814Y2 (en) 1996-02-21

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