JPS62167466U - - Google Patents

Info

Publication number
JPS62167466U
JPS62167466U JP5577086U JP5577086U JPS62167466U JP S62167466 U JPS62167466 U JP S62167466U JP 5577086 U JP5577086 U JP 5577086U JP 5577086 U JP5577086 U JP 5577086U JP S62167466 U JPS62167466 U JP S62167466U
Authority
JP
Japan
Prior art keywords
backlight circuit
external power
power supply
light source
backlight
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
JP5577086U
Other languages
Japanese (ja)
Other versions
JPH0533112Y2 (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 JP5577086U priority Critical patent/JPH0533112Y2/ja
Publication of JPS62167466U publication Critical patent/JPS62167466U/ja
Application granted granted Critical
Publication of JPH0533112Y2 publication Critical patent/JPH0533112Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

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

第１図は本考案の実施例を示す、液晶テレビバ
ツクライト回路のブロツク図。 FIG. 1 is a block diagram of a liquid crystal television backlight circuit showing an embodiment of the present invention.

Claims (1)

【実用新案登録請求の範囲】 (1) (a) 液晶テレビの光源として用いられるバ
ツクライト回路において、 (b) 内部電源使用時のバツクライト回路の消
費電力に比較し、 (c) 外部電源使用時のバツクライト回路の消
費電力を増加することにより、 (d) 外部電源使用時の輝度を向上させたこと
を特徴とする液晶テレビのバツクライト回路。 (2) (a) 液晶テレビの光源として用いられるバ
ツクライト回路において、 (b) バツクライト回路の電力制御に用いられ
る基準電圧を、 (c) 外部電源の入力端子に接続された逆極性
防止ダイオードのアノード電圧の変化を利用して
、可変させることを特徴とする実用新案登録請求
第(1)項記載の液晶テレビのバツクライト回路。 (3) (a) 液晶テレビの光源として用いられるバ
ツクライト回路において、 (b) バツクライト回路の電力制御に用いられ
る基準電圧を、 (c) 外部電源の入力端子に、外部電源の入力
と連動したスイツチ手段を設けて可変することを
特徴とする(1)項記載の液晶テレビのバツクライ
ト回路。[Scope of claim for utility model registration] (1) (a) In the backlight circuit used as a light source for LCD televisions, (b) Compared to the power consumption of the backlight circuit when using an internal power source, (c) When using an external power source (d) A backlight circuit for an LCD television, characterized in that the brightness when using an external power supply is improved by increasing the power consumption of the backlight circuit. (2) (a) In the backlight circuit used as a light source for LCD televisions, (b) the reference voltage used for power control of the backlight circuit, and (c) the anode of the reverse polarity prevention diode connected to the input terminal of the external power supply. 1. A backlight circuit for a liquid crystal television set as set forth in item (1) of the utility model registration claim, characterized in that the backlight circuit is made variable by utilizing changes in voltage. (3) (a) In a backlight circuit used as a light source for LCD televisions, (b) a reference voltage used for power control of the backlight circuit, and (c) a switch linked to the input of the external power supply connected to the input terminal of the external power supply. The backlight circuit for a liquid crystal television set according to item (1), characterized in that the backlight circuit is variable by providing means.
JP5577086U 1986-04-14 1986-04-14 Expired - Lifetime JPH0533112Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5577086U JPH0533112Y2 (en) 1986-04-14 1986-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5577086U JPH0533112Y2 (en) 1986-04-14 1986-04-14

Publications (2)

Publication Number Publication Date
JPS62167466U true JPS62167466U (en) 1987-10-23
JPH0533112Y2 JPH0533112Y2 (en) 1993-08-24

Family

ID=30883978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5577086U Expired - Lifetime JPH0533112Y2 (en) 1986-04-14 1986-04-14

Country Status (1)

Country Link
JP (1) JPH0533112Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002287137A (en) * 1990-03-23 2002-10-03 Matsushita Electric Ind Co Ltd Liquid crystal display element
JP2003208139A (en) * 1990-03-23 2003-07-25 Matsushita Electric Ind Co Ltd Information processor
JP2003216291A (en) * 1990-03-23 2003-07-31 Matsushita Electric Ind Co Ltd Information processor
US6882389B2 (en) 1990-03-23 2005-04-19 Matsushita Electric Industrial Co., Ltd. Transflective LCD device with different transmission parts each having a particular transmittance

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002287137A (en) * 1990-03-23 2002-10-03 Matsushita Electric Ind Co Ltd Liquid crystal display element
JP2003208139A (en) * 1990-03-23 2003-07-25 Matsushita Electric Ind Co Ltd Information processor
JP2003216291A (en) * 1990-03-23 2003-07-31 Matsushita Electric Ind Co Ltd Information processor
US6882389B2 (en) 1990-03-23 2005-04-19 Matsushita Electric Industrial Co., Ltd. Transflective LCD device with different transmission parts each having a particular transmittance
US6909483B2 (en) 1990-03-23 2005-06-21 Matsushita Electric Industrial Co., Ltd. Transflective LCD device with different transmission parts each having a particular transmittance
US6952248B2 (en) 1990-03-23 2005-10-04 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US6990595B2 (en) 1990-03-23 2006-01-24 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US7006181B2 (en) 1990-03-23 2006-02-28 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US7024572B2 (en) 1990-03-23 2006-04-04 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US7079108B2 (en) 1990-03-23 2006-07-18 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US7120809B2 (en) 1990-03-23 2006-10-10 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US7821489B2 (en) 1990-03-23 2010-10-26 Panasonic Corporation Data processing apparatus

Also Published As

Publication number Publication date
JPH0533112Y2 (en) 1993-08-24

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