WO2009065358A1 - Dispositif de récupération d'énergie basé sur des transistors bipolaires à grille isolée - Google Patents

Dispositif de récupération d'énergie basé sur des transistors bipolaires à grille isolée Download PDF

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Publication number
WO2009065358A1
WO2009065358A1 PCT/CN2008/073106 CN2008073106W WO2009065358A1 WO 2009065358 A1 WO2009065358 A1 WO 2009065358A1 CN 2008073106 W CN2008073106 W CN 2008073106W WO 2009065358 A1 WO2009065358 A1 WO 2009065358A1
Authority
WO
WIPO (PCT)
Prior art keywords
inductor
energy recovery
gate bipolar
insulated gate
recovery device
Prior art date
Application number
PCT/CN2008/073106
Other languages
English (en)
Chinese (zh)
Inventor
Zhixia Wang
Yingfeng Guo
Guoli Zhang
Original Assignee
Sichuan Coc Display Devices Co., Ltd.
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 Sichuan Coc Display Devices Co., Ltd. filed Critical Sichuan Coc Display Devices Co., Ltd.
Publication of WO2009065358A1 publication Critical patent/WO2009065358A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
    • G09G3/2965—Driving circuits for producing the waveforms applied to the driving electrodes using inductors for energy recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
    • G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
    • G09G3/294—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge

Definitions

  • the invention relates to the field of displays, and more particularly to an energy recovery device based on an insulated gate bipolar transistor.
  • BACKGROUND OF THE INVENTION The display principle of a plasma display panel (PDP) is to illuminate phosphors by ultraviolet rays generated by gas discharge. However, during power discharge, large power consumption increases circuit cost.
  • the PDP can be equivalent to a capacitor CP whose impedance includes the impedance between the plasma display electrodes and the impedance of the IGBT when it is turned on and off.
  • V s When the voltage V s is applied to the panel driving circuit, its energy loss is 2 CpV s 2 in a single cycle.
  • the energy recovery device mainly achieves a reduction in energy loss through an energy recovery circuit.
  • the energy recovery circuit power tubes currently used are mostly MOSFETs, and the number of MOSFETs used is large, which increases the cost and complexity of the circuit.
  • An energy recovery device includes: a charging device for discharging energy stored therein to an electrode of a discharge unit of a plasma display panel; and a discharge device for applying an electrode of a discharge cell of the plasma display panel The energy is released into the charging device for storage; and the control device is configured to control the charging device to perform charging and/or discharging device discharge.
  • the charging device includes: an inductor L2, a screen capacitor Cp connected in series with the inductor L2, and an inductor
  • the charging process of the charging device is: The current forms a resonant circuit through the inductor L2, the diode D4, the insulated gate bipolar transistor M1, and the screen capacitor Cp to charge the screen capacitor (Cp).
  • the discharge device includes: an inductor L1, a screen capacitor Cp connected in series with the inductor L1, a diode D3 connected in series with the inductor L1, and an insulated gate bipolar transistor M2 connected in parallel with the inductor L1, the panel capacitor Cp, and the diode D3.
  • the discharge process of the discharge device is as follows:
  • the circuit L1, the diode D3, the insulated gate bipolar transistor M2, and the screen capacitor Cp form a resonant circuit to discharge the screen capacitor Cp.
  • the control device is composed of one or more power switch tubes.
  • the turn-on and turn-off of the power switch tube is controlled by controlling the turn-on and turn-off of the gate of the power switch tube, thereby controlling the discharge of the charging and discharging devices of the charging device.
  • the energy recovery device according to the embodiment of the present invention uses a novel circuit topology.
  • FIG. 1 is a schematic diagram of a typical three-electrode surface discharge type AC-PDP (Alternative Current Plasma Display Panel);
  • Figure 2 is a conventional energy recovery device and a simplified circuit during resonance 3 is a circuit diagram of an energy recovery device based on an insulated gate bipolar transistor (IGBT) according to an embodiment of the present invention; and
  • FIG. 1 is a schematic diagram of a typical three-electrode surface discharge type AC-PDP (Alternative Current Plasma Display Panel);
  • Figure 2 is a conventional energy recovery device and a simplified circuit during resonance 3 is a circuit diagram of an energy recovery device based on an insulated gate bipolar transistor (IGBT) according to an embodiment of the present invention;
  • FIG. 4 is a control timing of the corresponding switch shown in FIG. 3 and an output waveform thereof.
  • FIG. 1 is a schematic view showing the structure of a typical three-electrode surface discharge type AC-PDP.
  • the scanning electrode (9Scaning Electrode) Y and the sustain electrode (Sustaining Electrode) X are fabricated on the front substrate.
  • the sustain electrode and the scan electrode is coated with a layer of MgO (Dielectric Layer) 0 address electrodes (Address Electrode) formed on the rear substrate (Rear Glass).
  • MgO Dielectric Layer
  • Red, green, and blue phosphors were coated on the back substrate and barrier (Brier Rib).
  • the color PDP illuminates the red, green, and blue primary phosphors by vacuum ultraviolet (Vucuum Ultraviolet, VUV for short) emitted by the gas discharge, and illuminates the phosphor to realize color display.
  • VUV vacuum ultraviolet
  • 2 is a circuit diagram of a conventional energy recovery device and a simplified circuit thereof during resonance.
  • the resistor R is a parasitic impedance, and includes an on-resistance when the power switch tube is turned on. Von is the voltage drop across the diode. According to the equivalent circuit of Figure 2, the equation of the screen voltage Vxy can be easily analyzed:
  • V yx ( ⁇ rV on )[le T (cos ⁇ " - sin ⁇ )]
  • Vxy can be simplified to:
  • V (- ⁇ -V )(le 2 ⁇ L )
  • FIG. 3 is a circuit diagram of an energy recovery device in accordance with an embodiment of the present invention.
  • the switch includes a power switch tube S1, a power switch tube S2, and an insulated gate bipolar transistor M1, M2, M3, and M4.
  • the drains of the power switch tubes S1 and S2 are connected to the power source, and the power switch tube S1.
  • the sources of S2 are respectively connected to the collectors of the insulated gate bipolar transistors M1 and M2, and the cathodes of the fast recovery diodes D3 and D4 are respectively connected to the collectors of the insulated gate bipolar transistors M2 and M1.
  • Insulated gate bipolar transistors M1 and M2 The emitters are respectively connected to the collectors of the insulated gate bipolar transistors M3 and M4. Meanwhile, the collectors of the insulated gate bipolar transistors M3 and M4 are respectively connected to the two ends of the screen capacitor, and one end of the inductor L1 is connected to the insulated gate bipolar transistor. The emitter of M1 is connected to the anode of diode D3. Similarly, one end of inductor L2 is connected to the emitter of insulated gate bipolar transistor M2, and the other end is connected to the anode of diode D4. The emitters of the gate bipolar transistors M3 and M4 are grounded.
  • the gates of the power switch tubes S1, S2, the insulated gate bipolar transistors M1, M2, M3, and M4 are respectively connected to the signal control terminals of the control circuit, which are given by the control circuit.
  • the control signal controls the turn-on or turn-off of the power switch or the insulated gate bipolar transistor.
  • the inductor L2, the screen capacitor Cp in series with the inductor L2, and the inductor A diode D4 connected in series in L2, and an insulated gate bipolar transistor M1 connected in parallel with the inductor L2, the screen capacitor Cp, and the diode D4 constitute a charging device of the energy recovery device according to the embodiment of the present invention.
  • the charging process of the charging device is: The current forms a resonant circuit through the inductor L2, the diode D4, the insulated gate bipolar transistor M1, and the screen capacitor Cp to charge the screen capacitor (Cp).
  • the inductor L1, the screen capacitor Cp in series with the inductor L1, the diode D3 in series with the inductor L1, and the insulated gate bipolar transistor M2 connected in parallel with the inductor L1, the screen capacitor Cp, and the diode D3 constitute an energy recovery according to an embodiment of the present invention.
  • the discharge device of the device is: The current forms a resonant circuit through the inductor L2, the diode D4, the insulated gate bipolar transistor M1, and the screen capacitor Cp to charge the screen capacitor (Cp).
  • the discharge process of the discharge device is: The current forms an i-resonance loop through the inductor L1, the diode D3, the insulated gate bipolar transistor M2, and the screen capacitor Cp, so that the screen capacitor Cp is discharged.
  • the control unit consists of one or more power switches.
  • the turn-on and turn-off of the power switch tube is controlled by controlling the turn-on and turn-off of the gate of the power switch tube, thereby controlling the discharge of the charging and discharging devices of the charging device. That is to say, an insulated gate bipolar transistor is used in the energy recovery device shown in FIG. 3 instead of the power switch tube in the conventional energy recovery device for maintaining the high end and maintaining the low end.
  • the energy recovery capacitors in the conventional energy recovery device and the energy recovery high-end and low-end power switch tubes are not used in the energy recovery device according to the embodiment of the present invention. That is to say, the energy recovery device according to the embodiment of the present invention has a much smaller number of power switch tubes than the conventional energy recovery device, and at the same time, since the on-resistance of the insulated gate bipolar transistor is small, the saturation voltage is lowered. Therefore, the efficiency of the system is greatly improved, the power consumption is reduced, and the cost is saved.
  • 4 is a control timing of the corresponding switches shown in FIG. 3 and an output waveform thereof.
  • One cycle of the sustain period is divided into four phases: i is set at the initial moment, the insulated gate bipolar transistors M2 and M3 and the power switch S2 are turned on, the insulated gate bipolar transistors M1 and M4, and the power switch S1 are turned off, the screen
  • the voltage Vxy on the capacitor Cp remains unchanged at -Vs.
  • the IGBTs M2 and M3 are turned off, M1 is turned on, the power switches S1 and S2 are turned off, and the capacitor Cp is generated by the inductor L2, the diode D4, and the insulated gate bipolar transistor M1.
  • vw _Vs COS . among them, .
  • This process avoids the abrupt screen capacitor discharge process in conventional circuits.
  • the screen capacitor voltage Vxy is equal to Vs, and the insulated gate bipolar transistors M4 and M1, and the power switch S1 are turned on, and the screen capacitor voltage is maintained. Vs does not change.
  • the third and fourth phases are identical to the first and second two-stage principles except that the screen capacitance is resonated by the inductor L1, the diode D3, and the insulated gate bipolar transistor M2. In this circuit, the insulated gate bipolar transistors operate in a soft switching state. If the influence of the parasitic resistance of the insulated gate bipolar transistor is taken into consideration, the relationship of the screen capacitance voltage with time can be changed to the following formula:
  • V -Ve T [coaa(ii 0 )+ sini3 ⁇ 4(ii 0 )]
  • the present invention combines the advantages of a power FET and a power transistor by using an insulated gate bipolar transistor during a sustain period, and has a high input impedance, a fast working speed, a good thermal stability, and a driving circuit.
  • the simple advantages have the advantages of low on-state voltage, high withstand voltage, and high current withstand, thus greatly reducing power consumption.
  • the present invention since the present invention does not use an energy recovery capacitor like a conventional energy recovery device, the present invention saves the energy recovery capacitor and the corresponding energy recovery power tube in the conventional energy recovery device as compared with the conventional energy recovery device. Therefore, the circuit cost is greatly reduced.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

La présente invention concerne un dispositif de récupération d'énergie. Le dispositif comprend une unité de charge pour décharger l'énergie stockée en elle vers des électrodes de cellules de décharge d'un écran plasma; une unité de décharge pour décharger l'énergie des électrodes des cellules de décharge d'un écran plasma vers l'unité de charge, de sorte que l'énergie est stockée et une unité de contrôle pour contrôler l'unité de charge à charger et/ou pour contrôler l'unité de décharge à décharger.
PCT/CN2008/073106 2007-11-19 2008-11-19 Dispositif de récupération d'énergie basé sur des transistors bipolaires à grille isolée WO2009065358A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710165589.0 2007-11-19
CN 200710165589 CN101441846B (zh) 2007-11-19 2007-11-19 基于绝缘栅双极晶体管的能量恢复装置

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WO2009065358A1 true WO2009065358A1 (fr) 2009-05-28

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CN101814266B (zh) * 2010-04-27 2011-12-07 四川长虹电器股份有限公司 一种pdp显示屏行驱动芯片中igbt驱动方法
CN103594051B (zh) * 2013-10-31 2014-06-11 南京信息工程大学 等离子电视列驱动芯片中dpld管的建模分析方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417763A (zh) * 2001-11-09 2003-05-14 松下电器产业株式会社 用于驱动电容性负载的能量恢复电路
CN1458642A (zh) * 2002-05-14 2003-11-26 三星Sdi株式会社 等离子体显示屏驱动方法和装置
CN1581263A (zh) * 2003-08-14 2005-02-16 汤姆森等离子体公司 在等离子体显示器中以能量恢复产生下降沿
CN1870105A (zh) * 2005-05-24 2006-11-29 中华映管股份有限公司 等离子体显示面板的驱动电路

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KR100481221B1 (ko) * 2003-04-07 2005-04-07 엘지전자 주식회사 플라즈마 디스플레이 패널의 구동장치 및 방법
JP2005266460A (ja) * 2004-03-19 2005-09-29 Matsushita Electric Ind Co Ltd 駆動基板及び当該駆動基板に搭載される半導体パワーモジュール
JP4841824B2 (ja) * 2004-03-31 2011-12-21 パナソニック株式会社 プラズマディスプレイパネルの駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417763A (zh) * 2001-11-09 2003-05-14 松下电器产业株式会社 用于驱动电容性负载的能量恢复电路
CN1458642A (zh) * 2002-05-14 2003-11-26 三星Sdi株式会社 等离子体显示屏驱动方法和装置
CN1581263A (zh) * 2003-08-14 2005-02-16 汤姆森等离子体公司 在等离子体显示器中以能量恢复产生下降沿
CN1870105A (zh) * 2005-05-24 2006-11-29 中华映管股份有限公司 等离子体显示面板的驱动电路

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CN101441846B (zh) 2011-09-07
CN101441846A (zh) 2009-05-27

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