JPH0217859U - - Google Patents

Info

Publication number
JPH0217859U
JPH0217859U JP1988096705U JP9670588U JPH0217859U JP H0217859 U JPH0217859 U JP H0217859U JP 1988096705 U JP1988096705 U JP 1988096705U JP 9670588 U JP9670588 U JP 9670588U JP H0217859 U JPH0217859 U JP H0217859U
Authority
JP
Japan
Prior art keywords
light emitting
driving
integrated circuit
resistors
resistor
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
JP1988096705U
Other languages
Japanese (ja)
Other versions
JPH079394Y2 (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 JP1988096705U priority Critical patent/JPH079394Y2/en
Priority to US07/367,750 priority patent/US5023442A/en
Priority to DK300689A priority patent/DK300689A/en
Priority to EP19890201634 priority patent/EP0348003A3/en
Priority to EP19940200320 priority patent/EP0600853A3/en
Priority to CA000603344A priority patent/CA1334726C/en
Publication of JPH0217859U publication Critical patent/JPH0217859U/ja
Application granted granted Critical
Publication of JPH079394Y2 publication Critical patent/JPH079394Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Description

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

第１図は、この考案の実施例集積回路の要部を
示す回路図、第２図は、この考案が実施される集
積回路の内部構成を示すブロツク図、第３図は、
同集積回路を用いてＬＥＤアレイヘツドを駆動す
る場合の概略回路接続図、第４図は、第１図に示
す回路を用いた場合の、抵抗選定に対応する合成
抵抗とゲート電位の関係を示す図である。 １５―１，１５―２，…，１５―６４：駆動用
のＭＯＳＦＥＴ、Ｒａ，Ｒｂ：第１の抵抗、Ｒ１
，Ｒ２，…，Ｒ７：第２の抵抗、１６：ゲート電
位設定回路。 FIG. 1 is a circuit diagram showing the main parts of an integrated circuit according to an embodiment of this invention, FIG. 2 is a block diagram showing the internal structure of an integrated circuit in which this invention is implemented, and FIG.
FIG. 4 is a schematic circuit connection diagram when the integrated circuit is used to drive an LED array head, and FIG. 4 is a diagram showing the relationship between the combined resistance and gate potential corresponding to resistance selection when the circuit shown in FIG. 1 is used. It is. 15- 1 , 15- 2 ,..., 15- 64 : MOSFET for driving, Ra, Rb: first resistor, R 1
 , R 2 ,..., R 7 : second resistor, 16 : gate potential setting circuit.

Claims (1)

【実用新案登録請求の範囲】 複数個並設される発光素子を、個別に発光駆動
するために、前記発光素子に対応して設けられる
複数個の駆動用電界効果トランジスタを備える発
光素子駆動用の集積回路装置において、 電源供給端子と前記駆動用電界効果トランジス
タのゲートにゲート電位を供給する端子間に接続
される第１の抵抗と、一端が前記第１の抵抗のゲ
ート電位供給側の一端に共通接続され、他端が個
別に外部導出端子に接続される各々抵抗値の異な
る複数個の第２の抵抗を内蔵していることを特徴
とする発光素子駆動用の集積回路装置。[Claims for Utility Model Registration] A light emitting element driving device comprising a plurality of driving field effect transistors provided corresponding to the light emitting elements in order to individually drive a plurality of light emitting elements arranged in parallel to emit light. In the integrated circuit device, a first resistor connected between a power supply terminal and a terminal supplying a gate potential to the gate of the driving field effect transistor, one end of which is connected to one end of the first resistor on the gate potential supply side. 1. An integrated circuit device for driving a light emitting element, comprising a plurality of second resistors each having a different resistance value, the second resistors being commonly connected and having the other ends individually connected to external lead-out terminals.
JP1988096705U 1988-06-21 1988-07-21 Integrated circuit device for driving light emitting element Expired - Lifetime JPH079394Y2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1988096705U JPH079394Y2 (en) 1988-07-21 1988-07-21 Integrated circuit device for driving light emitting element
US07/367,750 US5023442A (en) 1988-06-21 1989-06-19 Apparatus for optically writing information
DK300689A DK300689A (en) 1988-06-21 1989-06-19 OPTICAL WRITING INFORMATION DEVICE
EP19890201634 EP0348003A3 (en) 1988-06-21 1989-06-20 Apparatus for optically writing information
EP19940200320 EP0600853A3 (en) 1988-06-21 1989-06-20 Apparatus for optically writing information.
CA000603344A CA1334726C (en) 1988-06-21 1989-06-20 Apparatus for optically writing information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988096705U JPH079394Y2 (en) 1988-07-21 1988-07-21 Integrated circuit device for driving light emitting element

Publications (2)

Publication Number Publication Date
JPH0217859U true JPH0217859U (en) 1990-02-06
JPH079394Y2 JPH079394Y2 (en) 1995-03-06

Family

ID=31321778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988096705U Expired - Lifetime JPH079394Y2 (en) 1988-06-21 1988-07-21 Integrated circuit device for driving light emitting element

Country Status (1)

Country Link
JP (1) JPH079394Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991762U (en) * 1982-12-09 1984-06-21 三洋電機株式会社 Constant current drive IC for light emitting diode
JPS6265486A (en) * 1985-09-18 1987-03-24 Seiko Epson Corp Ic for driving light emitting diode array with current control function

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991762U (en) * 1982-12-09 1984-06-21 三洋電機株式会社 Constant current drive IC for light emitting diode
JPS6265486A (en) * 1985-09-18 1987-03-24 Seiko Epson Corp Ic for driving light emitting diode array with current control function

Also Published As

Publication number Publication date
JPH079394Y2 (en) 1995-03-06

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