JPH0287218U - - Google Patents

Info

Publication number
JPH0287218U
JPH0287218U JP16693988U JP16693988U JPH0287218U JP H0287218 U JPH0287218 U JP H0287218U JP 16693988 U JP16693988 U JP 16693988U JP 16693988 U JP16693988 U JP 16693988U JP H0287218 U JPH0287218 U JP H0287218U
Authority
JP
Japan
Prior art keywords
power supply
liquid crystal
crystal display
display module
cold cathode
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.)
Pending
Application number
JP16693988U
Other languages
Japanese (ja)
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 JP16693988U priority Critical patent/JPH0287218U/ja
Publication of JPH0287218U publication Critical patent/JPH0287218U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案の実施例の回路図、第２図は従
来例の基本回路図、第３図は同上の具体化した回
路図、第４図は他の従来例の回路図である。 １は液晶表示モジユール、２は第１の電源、４
は冷陰極管バツクライト、５は第２の電源、ＺＤ
１はツエナーダイオード、Ｒ１は可変抵抗である
。 FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a basic circuit diagram of a conventional example, FIG. 3 is a specific circuit diagram of the same, and FIG. 4 is a circuit diagram of another conventional example. 1 is a liquid crystal display module, 2 is a first power supply, 4
is the cold cathode tube backlight, 5 is the second power supply, ZD
1 is a Zener diode, and R1 is a variable resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 信号入力に応答して液晶にて表示を行う液晶表
示モジユールと、この液晶表示モジユールのバツ
クライト光源としての冷陰極管を用いた冷陰極管
バツクライトと、上記液晶表示モジユールに印加
する回路電源用の第１の電源と、冷陰極管バツク
ライトに印加され第１の電源の電圧より高い第２
の電源とを備え、第２の電源の正極と第１の電源
の負極とを接続し、第２の電源の負極から第２の
電源の電圧を所定値降下させる定電圧素子と可変
抵抗とを介して液晶表示モジユールの液晶電源用
端子に接続したことを特徴とする液晶表示用電源
回路。 A liquid crystal display module that performs display on a liquid crystal in response to a signal input, a cold cathode tube backlight using a cold cathode tube as a backlight light source of this liquid crystal display module, and a circuit power source that is applied to the liquid crystal display module. 1 power supply, and a second power supply which is applied to the cold cathode tube backlight and whose voltage is higher than the voltage of the first power supply.
a constant voltage element and a variable resistor that connects the positive pole of the second power supply and the negative pole of the first power supply to drop the voltage of the second power supply by a predetermined value from the negative pole of the second power supply. A liquid crystal display power supply circuit, characterized in that the liquid crystal display power supply circuit is connected to a liquid crystal power supply terminal of a liquid crystal display module via a liquid crystal display module.
JP16693988U 1988-12-23 1988-12-23 Pending JPH0287218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16693988U JPH0287218U (en) 1988-12-23 1988-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16693988U JPH0287218U (en) 1988-12-23 1988-12-23

Publications (1)

Publication Number Publication Date
JPH0287218U true JPH0287218U (en) 1990-07-10

Family

ID=31454779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16693988U Pending JPH0287218U (en) 1988-12-23 1988-12-23

Country Status (1)

Country Link
JP (1) JPH0287218U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016006166A1 (en) * 2014-07-11 2016-01-14 パナソニックＩｐマネジメント株式会社 Planar light-emitting unit, planar light-emitting body, illumination device, and construction material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016006166A1 (en) * 2014-07-11 2016-01-14 パナソニックＩｐマネジメント株式会社 Planar light-emitting unit, planar light-emitting body, illumination device, and construction material

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