TW200841310A - Pixel driving circuit, and its driving method and application - Google Patents

Pixel driving circuit, and its driving method and application Download PDF

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TW200841310A
TW200841310A TW096112606A TW96112606A TW200841310A TW 200841310 A TW200841310 A TW 200841310A TW 096112606 A TW096112606 A TW 096112606A TW 96112606 A TW96112606 A TW 96112606A TW 200841310 A TW200841310 A TW 200841310A
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unit
liquid crystal
pixel
line
driving
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TW096112606A
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TWI357059B (en
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ming-xian Cai
ya-xiang Dai
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Univ Nat Chiao Tung
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Priority to JP2007138483A priority patent/JP4870026B2/en
Priority to KR1020070074522A priority patent/KR100886061B1/en
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    • 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
    • G09G3/30—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 electroluminescent panels
    • G09G3/32—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 electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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 electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76—Unipolar devices, e.g. field effect transistors
    • H01L29/772—Field effect transistors
    • H01L29/78—Field effect transistors with field effect produced by an insulated gate
    • H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Ceramic Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

This invention discloses a pixel driving circuit, and its driving method and application. Under different time sequences, the pixel driving circuit uses three thin film transistors as the switches of storage capacitor and liquid crystal capacitor respectively. At the first, charge the storage capacitor sufficiently, then discharge the liquid crystal capacitor to a pre-determined voltage, and finally reset the electric charge between the storage capacitor and the liquid crystal capacitor so as to charge the crystal capacitor. When the pixel driving circuit provided in this invention and appropriate time sequence control are used at one time, it can be avoided to stop the row-by-row scanning for swapping the backlight sources even if the displaying device that uses color image sequence driving method, so that the pixel charging and light-emitting time will not be shorten, which enables the display device to work at higher frequency for providing better image quality.

Description

200841310 九、發明說明： 【發明所屬之技術領域】 ，一 •本發明係有關—種鶴電路及其驅動方法與制，_是有關一種晝 素驅動電路及其驅動方法與應用。 【先前技術】 在目前的液晶顯示裝置技射，就膜電晶華inFiimT聰咖， TTT)面板的發展縣絲，錢_薄難晶體面減具有高解析度、低 鲁耗此、極輕薄…等等的優點’因此，具有薄膜電晶體面板的顯示裝置在近 年來的顯示裝置市場中已佔有舉足輕重的角色。 而在薄膜電晶體面板的設計上，請先參考第—圖所示，在此一薄膜電 曰曰曰體面板之顯示區域内，係由數百萬個晝素10以陣列式的整齊排列方法所 構成，其中，用以驅動每一個畫素10所使用的電路設計，則係請同時參考 第-圖中之晝素驅動電路不意圖所示，其係主要利用單一薄膜電晶體口以 做為齡電谷以及液晶電容之開關，在適當的時序控制下，陣列式的畫素 φ 10係透過逐列掃瞒的動作以依序驅動掃瞒驅動線上的薄膜電晶體12，藉由 薄膜電晶體12的開啟與關閉以決定與其相對應之畫素電極14的開關。 同時’為了更提昇色彩的飽和度、均勻性與高解析度，係可利用色彩 序列驅動法以做為驅動薄膜電晶體面板的控制方式，然而，因為上述習知 的畫素驅動電路與方法係受限於電容充、放電皆需要消耗_•定的時間，因 而使得掃瞒時間無法有效地縮短，因此，當習知的薄膜電晶體面板在採用 色彩序列驅動法以驅動影像的顯示時，因為過長的掃瞄時間的情形，而必 須停止逐列掃關方絲切換背光絲的關，因而造成成像品質變差的 200841310 問題。 _基赴述的缺失’本發種晝雜_路及其驅動方法與應 、用，其係_本發明之畫素驅動電路設計，搭配適當的時序驅動模式，以 達到縮短掃瞄時間的目的。 【發明内容】 本發明之主要目的’係提種畫素輪魏及聽法與應用， 其係利用多個薄膜電晶體以做為控制液晶顯示裝置内之電容的開關，同時 鲁=合上時序電路驅動的模式，以使得薄膜電晶體液晶顯示裝置可在較短的 掃聪時間下實現色彩序列驅動法。 本發明之i目的，係提出—種畫素驅動電路及其驅動方法與應用， 二係使得薄膜電晶·晶顯示裝置在較短的__下，可相對提高發光 效率、降低元件功率消耗等效能。 為達上述之目的，本發明提供一種畫素驅動電路及其驅動方法，^ 發明所提供之畫素驅動電路中，係主要利用三個開關單元以做為畫素与 錯存單元與畫素驅動單树動的關，其中，第—開關單元、第二剛 疋、第三開關料係分別為第—薄膜電晶體、第二薄膜電晶體、第二 =晶體’而贿料峨辦嶋峨_漁晶仏 二雷-第-義電晶體，其一端舰於資料驅動線、另一端係输 二=τ·_動線;”二薄膜電― _ 係與，電容·且_係與電· 綠叙接 ㈣細㈣接、另-端係與電荷谓 、接，且其閘極則係與對向電極電壓線輕接。 200841310 而以上述之本發明所提供的晝素驅動電路為基礎架構本發明更同時 提出-種畫素驅動方法，其係包括以下步驟，首先，根據—掃猫訊號以啟 動-第-薄膜電晶體；接續’透過已開啟之第—薄膜電晶體來傳遞一資料 訊號使驅動齡電容進行充電；接續’啟動—第三麵電晶體以傳遞一電 壓輸出訊號，使液晶電容進行放電，直至液晶電容内之電壓值趨近於預設 的放電電壓值；接續’啟動第二薄膜電晶體以傳遞一電壓輸入訊號至液晶 電今内卩使得液B曰電谷可利用儲存電容内的電荷轉移以進行充電，直至 籲液晶電容内之電壓值趨近至預設的充電電壓值為止；驗藉由已具有足 夠電荷之液晶電容以啟動相對應之畫素的作動。 另外亦同時將本發明所提出之畫素驅動電路顧至—顯示裝置内， 此顯稍置耽括有-背光模誠及—液晶顯示面板，其中，此液晶顯示 面板的畫素驅動電路則係與上述之晝素驅動電路相同，且#液晶顯示面板 中的儲存f容以錢晶電容正錢行充、放電的畴縣模組之光源係 不會進入至此液晶顯示面板内，直到第二薄膜電晶體與第三薄膜電晶體完 成液曰曰電合的電荷轉移後，背光模組之光源才會進入至液晶顯示面板内。 底下藉由具體實施例配合所附的圖式詳加說明，當更容易瞭解本發明 之目的、技勘容、特點及其所達成之功效。 【實施方式】 為了改善薄膜電晶體液晶顯示器在應用色彩序列驅動法以進行色彩控 制之效率，本發明係提出一種畫素驅動電路及其驅動方法與應用，藉由特 殊的電路.又什與時序，以縮短薄膜電晶體液晶顯示器在進行每一次的掃瞒 費的時間。町’係完整且詳細地揭露本發明之實施態樣，同時佐 7 200841310 以圖式以使本發明之精神可更加明確化。 ’首先，請參考第三圖所示，其係為本發明之其中-種畫素驅動電路之架 ，構示意圖，在此晝素驅動電路架構中，係包括有四條驅動線2〇、22、^、 26 ’分別為資料驅動線22、掃瞒驅動線2〇、電荷傳遞線邰以及對向電極 電壓線(Vcom)24，其中，在-具有複數個畫素的畫素陣列中，掃瞄驅動線 20係產生一掃瞄訊號以用來選取其中特定的一列畫素，而資枓驅動線沒則 是在此列晝素中，依序提供相對應之畫素所需之資料訊號，就第三圖中的 _ 晝素驅動電路而言，對於此一晝素的驅動，其係藉由一第一薄膜電晶體加、 -第二薄膜電晶體32以及-第三薄膜電晶體34以做為驅動晝素的開關， 其中，第一薄膜電晶體30之一端係耦接在資料驅動線22、另一端則係與— 儲存電容40耦接，且第一薄膜電晶體3〇的閘極係耦接在掃瞄驅動線2〇， 而第二薄膜電晶體32之-端係與贿電容4G雛、另-端職與一液晶 電容42耦接，且其閘極係與電荷傳遞線26耦接；而第三薄膜電晶體“之 -端與液晶電容42織、另-端係與電娜絲26耦接，轉閘極則係 ® 與對向電極電壓線24耦接。 因此，根據上述的晝素驅動電路架構可知，在選定特定的掃瞄列後，藉 由掃瞄驅動線20以開啟第一薄膜電晶體3〇，並再藉由資料驅動線没以傳 入-資料峨至第-細1：晶體3G巾，使第-雜電晶體3〇⑽與其耗 接的儲存電容40進行充電，再藉由對向電極電壓線24以開啟與其耦接的 第三薄膜電晶體34,並且透過第三薄膜電晶體34以對與其輕接的液晶電容 42進行放電，以使得下-步驟充入液晶電容42的電荷量可根據不同的需求 200841310 ... 以充入適當量的電荷，最後，再藉由電荷傳遞線26以開啟與其耗接的第二 薄膜電晶體犯，並且透過第二薄膜電晶體％以將儲存於儲存電容4〇内的 電何轉移至呈現空之的狀態的液晶電容42 Θ，以使液晶電容42在電荷轉 移完成後’其最終電壓可到達預設的充電電壓值，呈現為飽和電壓的狀態。 基於上述的電路作動可知，第一薄膜電晶體3〇係同時叙接在資料驅動 線22與掃瞒驅動線2〇，以做為啟動整個畫素驅動操作的起始關，同時， 亦扮演著對儲存電容40進行充電的角色；第三_電晶體34係主要用以 _驅使液晶電容42進行放電，因此第三薄膜電晶體34係輕接至對向電極電 壓線24;第二薄膜電晶體32駐要用以使得以儲存在儲存電容⑷中的電 荷可轉移至液晶電容42内，因此第二薄膜電晶體32係輕接至電荷傳遞線 26。也因此’除了上述第三圖中所提供的畫素驅動電路架構外，本發明之 畫素驅動電路亦可依據上述的電路祕_，轉各個元件進行不同的電200841310 IX. Description of the invention: [Technical field to which the invention pertains] 1. The present invention relates to a crane circuit and a driving method and system thereof, and relates to a pixel driving circuit and a driving method and application thereof. [Prior Art] In the current liquid crystal display device technology, the development of the film electro-crystal huahua inFiimT Cong, TTT) panel, the money _ thin hard crystal surface reduction with high resolution, low Lu consumption, very light and thin... Advantages of etc. Therefore, display devices having thin film transistor panels have occupied a pivotal role in the display device market in recent years. In the design of the thin film transistor panel, please refer to the first figure, in the display area of the thin film electric body panel, the array arrangement of millions of halogens 10 is arranged in an array. In the configuration in which the circuit design used to drive each pixel 10 is used, it is not intended to refer to the pixel driving circuit in the first drawing, which mainly uses a single thin film transistor port as a The switch of the age grid and the liquid crystal capacitor, under proper timing control, the array pixel φ 10 system sequentially drives the thin film transistor 12 on the broom drive line through the column-by-row broom action, by the thin film transistor The opening and closing of 12 determines the switch of the pixel electrode 14 corresponding thereto. At the same time, in order to further improve the saturation, uniformity and high resolution of the color, the color sequence driving method can be used as the control method for driving the thin film transistor panel, however, because the above-mentioned pixel driving circuit and method system are used. Restricted by capacitor charging and discharging, it takes a certain amount of time, so that the broom time cannot be effectively shortened. Therefore, when the conventional thin film transistor panel uses the color sequence driving method to drive the display of the image, In the case of a long scanning time, it is necessary to stop the column-by-column sweeping of the switching wire to switch the backlight off, thus causing the problem of poor image quality of 200841310. _Based on the lack of the description of the present invention, the method and its driving method, the system of the invention, the pixel drive circuit design, with appropriate timing drive mode, in order to achieve the purpose of shortening the scan time . SUMMARY OF THE INVENTION The main object of the present invention is to provide a picture-taking wheel and a method and application, which utilizes a plurality of thin film transistors as a switch for controlling capacitance in a liquid crystal display device, and at the same time The circuit-driven mode allows the thin film transistor liquid crystal display device to implement the color sequence driving method at a shorter sweep time. The object of the present invention is to propose a pixel driving circuit and a driving method and application thereof, and the second system enables the thin film electro-crystalline and crystal display device to relatively improve the luminous efficiency and reduce the power consumption of the device under a short __. efficacy. In order to achieve the above object, the present invention provides a pixel driving circuit and a driving method thereof. In the pixel driving circuit provided by the invention, three switching units are mainly used as a pixel and a memory unit and a pixel driving unit. The single tree is closed, wherein the first switch unit, the second rigid turn, and the third switch material are respectively the first film transistor, the second film transistor, and the second crystal lens.渔晶仏二雷-第-义电晶, one end of the ship is driven by the data drive line, the other end is the two = τ·_ moving line; "two thin film electricity - _ system and, capacitance · and _ system and electricity · green The connection (4) is fine (four), the other end is connected to the charge, and the gate is connected to the voltage line of the opposite electrode. 200841310 The base device of the present invention is provided by the above-mentioned substrate driving circuit. The invention further proposes a pixel driving method, which comprises the following steps, firstly, according to the scanning of the cat signal to activate the first-thin film transistor; and subsequently transmitting the data signal through the opened first film transistor. Drive the age capacitor to charge; continue 'start-third The transistor transmits a voltage output signal to discharge the liquid crystal capacitor until the voltage value in the liquid crystal capacitor approaches a preset discharge voltage value; and continues to 'start the second thin film transistor to transmit a voltage input signal to the liquid crystal current The inner crucible enables the liquid B to be charged by the charge transfer in the storage capacitor until the voltage value in the liquid crystal capacitor approaches the preset charging voltage value; the liquid crystal capacitor has been charged with sufficient charge Initiating the action of the corresponding pixel. In addition, the pixel driving circuit proposed by the present invention is also taken into consideration in the display device, and the display device is provided with a backlight module and a liquid crystal display panel, wherein the liquid crystal display panel The pixel driving circuit of the display panel is the same as the above-mentioned pixel driving circuit, and the light source system of the domain module in which the memory of the liquid crystal display panel is charged and discharged by the money crystal capacitor does not enter this state. In the liquid crystal display panel, the light source of the backlight module enters the liquid crystal display until the second thin film transistor and the third thin film transistor complete the charge transfer of the liquid crystal The purpose of the present invention, the technical features, the features, and the effects achieved by the present invention will be more readily understood by the specific embodiments and the accompanying drawings. [Embodiment] In order to improve the thin film transistor The liquid crystal display is applied with a color sequence driving method for color control efficiency. The present invention provides a pixel driving circuit and a driving method and application thereof, which are shortened by a special circuit and a timing to shorten a thin film transistor liquid crystal display. The time of each broom is carried out. The town's complete and detailed disclosure of the embodiment of the present invention, while Zuo 7 200841310 is in the drawings to make the spirit of the present invention more clarified. 'First, please refer to the third As shown in the figure, it is a schematic diagram of a frame driving circuit of the present invention. In this pixel driving circuit architecture, there are four driving lines 2〇, 22, ^, 26' respectively for data. a driving line 22, a broom driving line 2〇, a charge transfer line 邰, and a counter electrode voltage line (Vcom) 24, wherein, in a pixel array having a plurality of pixels, the scan driving line The 20 series generates a scan signal for selecting a particular column of pixels, and the resource drive line is not in the list of pixels, and sequentially provides the data signals required for the corresponding pixels. In the case of the 昼 驱动 driving circuit, the driving of the sinusoid is driven by a first thin film transistor, a second thin film transistor 32 and a third thin film transistor 34. The switch of the first thin film transistor 30 is coupled to the data driving line 22, and the other end is coupled to the storage capacitor 40, and the gate of the first thin film transistor 3 is coupled to Scanning the driving line 2〇, and the end of the second thin film transistor 32 is coupled to the brid capacitor 4G, the other end is coupled to a liquid crystal capacitor 42, and the gate is coupled to the charge transfer line 26; The third thin film transistor is coupled to the liquid crystal capacitor 42 and the other end to the nanowire 26, and the turn gate is coupled to the counter electrode voltage line 24. Therefore, according to the above-described pixel driving circuit architecture, after the specific scanning column is selected, the first thin film transistor 3 is turned on by scanning the driving line 20, and then the data driving line is not used to pass in - The data is transferred to the first-thin 1: crystal 3G towel, so that the first-missing transistor 3〇(10) is charged with the storage capacitor 40 that is consumed, and then the third electrode of the opposite electrode voltage line 24 is connected to the third film. The crystal 34 is passed through the third thin film transistor 34 to discharge the liquid crystal capacitor 42 that is lightly connected thereto, so that the amount of charge charged to the liquid crystal capacitor 42 in the next step can be charged according to different requirements 200841310 ... The charge is finally turned on by the charge transfer line 26 to open the second thin film transistor that is consumed by it, and is transmitted through the second thin film transistor % to transfer the electricity stored in the storage capacitor 4 to the empty space. The state of the liquid crystal capacitor 42 Θ, so that the liquid crystal capacitor 42 after the charge transfer is completed, its final voltage can reach a preset charging voltage value, presenting a state of saturation voltage. Based on the above-mentioned circuit actuation, the first thin film transistor 3 is simultaneously connected to the data driving line 22 and the broom driving line 2〇 as a starting point for starting the entire pixel driving operation, and also plays a role. The role of charging the storage capacitor 40; the third_transistor 34 is mainly used to drive the liquid crystal capacitor 42 to discharge, so the third thin film transistor 34 is lightly connected to the counter electrode voltage line 24; the second thin film transistor The 32 is used to cause the charge stored in the storage capacitor (4) to be transferred into the liquid crystal capacitor 42, so that the second thin film transistor 32 is lightly connected to the charge transfer line 26. Therefore, in addition to the pixel driving circuit architecture provided in the third figure above, the pixel driving circuit of the present invention can also perform different powers according to the above-mentioned circuit secrets.

同時可以對儲存電容40進行充電的操作，第三_電晶體％與第二薄膜 電晶體32亦分別先後用來對液晶電容42進杆妨At the same time, the storage capacitor 40 can be charged, and the third_transistor% and the second thin film transistor 32 are respectively used to enter the liquid crystal capacitor 42.

實際的應用中，除了上述所提出的兩種電s 能的畫素驅動電路皆可視為本發明之範圍 此將不--贅述。 而同時本發明亦根據所提出的晝素驅動電路，係提出—種晝素驅動方In practical applications, the pixel driving circuits other than the above-mentioned two types of electrical s energy can be regarded as the scope of the present invention. At the same time, the present invention also proposes a kind of halogen driving method according to the proposed halogen driving circuit.

且相對應於第五圖之流程步驟的 200841310 時序圖則係如第六_*，請_參考第三圖、第五_第六圖所示，在 步驟S10中，根據來自掃瞄驅動線20的掃瞄訊號以開啟第一薄膜電晶體 3〇 ;在步驟S12中，透過已開啟之第一薄膜電晶體3〇以傳遞來自資料驅動 線22的資料訊號，使得麵接於第一薄膜電晶體30之儲存電容4〇開始進行 充電；在步驟S14中，啟動第三薄膜電晶體34，並透過已開啟之第三薄膜 電晶體34以傳遞來自對向電極電壓線24的電壓輸出訊號，以使與第三薄 膜電晶體34輕接之液晶電容42進行放電，且放電的過程係至液晶電容犯 之電壓值趨近於預設的放電電壓值為止；在步驟S16中，啟動第二薄膜電 晶體32，並透過已開啟之第二薄膜電晶體32以傳遞來自電荷傳遞線26的 電壓輸入訊號，以使得儲存在儲存電容4〇内的電荷可藉由已導通的第二薄 膜電晶體32以轉移至液晶電容42内，直至液晶電容42内之電壓值趨近於 預設的充電龍值為止；最後，在步驟S18巾，賴趨近飽和之液晶 電容42，以啟動相對應之晝素進行作動。 此外，本發明亦提出一種薄膜電晶體液晶顯示裝置，其係利用上述之畫 素驅動電路架構峨驗動畫素賴式，在此賴電晶體液晶顯示裝置中 係包括背光模組以及液晶顯示面板，其中，背光模組係用來提供光源至液 晶顯示面板内，以使影像可完整地呈現，且在本發明之薄膜電晶體液晶顯 不裝置中的液晶顯示面板係包括有一液晶驅動單元與一液晶顯示單元，在 液晶驅動單元内係包括複數畫素驅動電路、複數電源管理電路與色彩驅動 電路，而其中的晝素驅動電路係如上述第三圖或第四圖所示之電路拓樸架 構，簡言之，在此晝素驅動電路中，其係利用三個薄膜電晶體3〇、32、抑 200841310 以分別與資料驅動線22、掃瞄驅動線2〇、電荷傳遞線26、對向電極電壓線 24、儲存電容40、以及液晶電容42進行耦接’並且在掃瞄驅動線2〇、資 料驅動線22輸入相對應之訊號以開啟第一薄膜電晶體30，並藉由第一薄膜 電晶體30以對與其耦接之儲存電容4〇進行充電’再透過對向電極電壓線 24開啟第三薄膜電晶體34後，以使與第三薄膜電晶體34耦接之液晶電容 42進行放電’當此液晶電容42放電至預设的放電電壓值後，再利用電荷傳 遞線26以開啟第二薄膜電晶體32，使具有預設放電電壓值的液晶電容42 • 可藉由已儲存有電荷的儲存電容40以將電荷傳遞至液晶電容42内，直至 液晶電容42内的電壓值趨近於預設的充電電壓值為止；另外，在上述的晝 素驅動過程中，當第三薄膜電晶體34開啟以使液晶電容42開始放電、第 二薄膜電晶體32開啟以使液晶電容42開始充電，直到液晶電容42完成充 電時，背光模組的光源並不會進入至液晶顯示面板内，換言之，直到液晶 驅動單元内的液晶電容42充飽電並啟動相對應之畫素後，背光模組的光源 始係進入至液晶顯示面板内中，經由液晶顯示面板中的液晶驅動單元與液 _ 晶顯示單元相互雜合，以使影像得以完整地呈現在液晶顯示面板上。 綜合上述之晝素驅動電路及其驅動方法與應用之液晶顯示裝置可知，其 係利用三個薄膜電晶體以做為單_晝素之開關控制，不但可以有效簡化電 路的糾、縮短色彩序列驅動法所需的掃料間外，對於液晶够而言， 更因為液晶電容可根據不同產品需求以放電至一預設放電電壓值的狀態 下’透過已預紐存電荷之f轉電絲進行充電，可使人液晶電容的 電荷里可再根據不同的預設放電電壓值以對液晶電容進行充電，以使液晶 200841310 電容最終的龍值可_預設航輕值，避免過度充電或是充電不足的 問題’也因此大幅改善了畫素所呈現出的色彩飽和度、對比性…等等顯示 的特性。 以上所述係藉由實施例說明本發明之特點，其目的在使熟習該技術者 月匕暸解本發明之内容並據以實施，而非限定本發明之專利範圍，故，凡其 未脫離本發明所揭示之精神所完成之等效修飾或修改，仍應包含在以下 所述之申請專利範圍中。 鲁 【圖式簡單說明】 弟-圖為習知液晶顯示裝置之薄膜電晶體陣列之電路示意圖。 第一圖為習知液晶顯示裝置中單一薄膜電晶體之電路示意圖。 第三®為本發明之其中—種畫素驅動電路之賴示_。 第四圖為本發明之另—種晝素驅動電路的架構示意i 第五圖為本個之—種畫素鶴方法的步槪糊。 第六圖為相對應於第五圖之流程步驟的時忠菌。 • 【主要元件符號說明】 12薄膜電晶體 22資料驅動線 26電荷傳遞線 32第二薄膜電晶體 40儲存電容 1〇晝素 14晝素電極 20掃瞄驅動線 24對向電極電壓線 3〇第一薄膜電晶體 34第三薄膜電晶體 42液晶電容And the 200841310 timing chart corresponding to the process steps of the fifth figure is as the sixth_*, please refer to the third figure, the fifth_sixth figure, in step S10, according to the scan driving line 20 The scan signal is turned on to turn on the first thin film transistor 3; in step S12, the first thin film transistor 3 is turned on to transmit the data signal from the data driving line 22, so that the surface is connected to the first thin film transistor. The storage capacitor 4 of 30 starts charging; in step S14, the third thin film transistor 34 is activated, and the third thin film transistor 34 is turned on to transmit a voltage output signal from the counter electrode voltage line 24, so that The liquid crystal capacitor 42 connected to the third thin film transistor 34 is discharged, and the discharging process is performed until the voltage value of the liquid crystal capacitor reaches a preset discharge voltage value; in step S16, the second thin film transistor is activated. 32, and through the second thin film transistor 32 that has been turned on to transfer the voltage input signal from the charge transfer line 26, so that the charge stored in the storage capacitor 4 can be transferred by the turned-on second thin film transistor 32. To liquid In the crystal capacitor 42, until the voltage value in the liquid crystal capacitor 42 approaches the preset charging dragon value; finally, in step S18, the near-saturated liquid crystal capacitor 42 is activated to activate the corresponding pixel. In addition, the present invention also provides a thin film transistor liquid crystal display device, which utilizes the pixel driving circuit structure described above to verify an animation, and the liquid crystal display device includes a backlight module and a liquid crystal display panel. Wherein, the backlight module is used to provide a light source into the liquid crystal display panel, so that the image can be completely presented, and the liquid crystal display panel in the thin film transistor liquid crystal display device of the present invention comprises a liquid crystal driving unit and a liquid crystal The display unit includes a plurality of pixel driving circuits, a plurality of power management circuits, and a color driving circuit in the liquid crystal driving unit, wherein the pixel driving circuit is a circuit topology structure as shown in the third figure or the fourth figure, In short, in the pixel driving circuit, three thin film transistors 3, 32, and 200841310 are used to respectively drive the data driving line 22, the scanning driving line 2, the charge transfer line 26, and the opposite electrode. The voltage line 24, the storage capacitor 40, and the liquid crystal capacitor 42 are coupled to each other and input corresponding signals on the scan driving line 2 and the data driving line 22 to Opening the first thin film transistor 30 and charging the storage capacitor 4 耦 coupled thereto by the first thin film transistor 30 and then turning on the third thin film transistor 34 through the counter electrode voltage line 24 to The liquid crystal capacitor 42 coupled to the third thin film transistor 34 is discharged. When the liquid crystal capacitor 42 is discharged to a predetermined discharge voltage value, the charge transfer line 26 is used to turn on the second thin film transistor 32 to have a predetermined discharge. The liquid crystal capacitor 42 of the voltage value can be transferred into the liquid crystal capacitor 42 by the storage capacitor 40 that has stored the charge until the voltage value in the liquid crystal capacitor 42 approaches the preset charging voltage value; In the above-described halogen driving process, when the third thin film transistor 34 is turned on to start discharging the liquid crystal capacitor 42, and the second thin film transistor 32 is turned on to start charging the liquid crystal capacitor 42 until the liquid crystal capacitor 42 is charged, the backlight module The light source does not enter the liquid crystal display panel, in other words, until the liquid crystal capacitor 42 in the liquid crystal driving unit is fully charged and the corresponding pixel is activated, the light source of the backlight module is To the liquid crystal display panel, the liquid crystal panel via a drive unit and a liquid crystal display unit with each other _ hybrid, so that a complete image is presented on the liquid crystal display panel of the liquid crystal display. The liquid crystal display device which combines the above-described halogen drive circuit, its driving method and application can be known to use three thin film transistors as a single-cell switching control, which can effectively simplify the circuit correction and shorten the color sequence driving. In addition to the scanning room required by the method, for the liquid crystal, it is more suitable because the liquid crystal capacitor can be charged through the f-rotating wire with the pre-charged charge according to the demand of different products by discharging to a preset discharge voltage value. The liquid crystal capacitor can be charged according to different preset discharge voltage values to charge the liquid crystal capacitor, so that the final value of the liquid crystal 200841310 capacitor can be preset to avoid overcharging or undercharging. The problem of 'has greatly improved the characteristics of the color saturation, contrast, etc. exhibited by the pixels. The above description of the present invention is made by way of example, and the purpose of the present invention is to understand the contents of the present invention and to implement the present invention, and not to limit the scope of the patent of the present invention. Equivalent modifications or modifications made by the spirit of the invention should still be included in the scope of the claims described below. Lu [Simple diagram of the drawing] The brother-picture is a schematic circuit diagram of a thin film transistor array of a conventional liquid crystal display device. The first figure is a schematic circuit diagram of a single thin film transistor in a conventional liquid crystal display device. The third® is the display of the pixel driving circuit of the present invention. The fourth figure is a schematic diagram of the structure of the other kind of halogen driving circuit of the present invention. The fifth figure is a step of the method of painting the Suzhou crane method. The sixth figure is the time-honored bacteria corresponding to the process steps of the fifth figure. • [Main component symbol description] 12 thin film transistor 22 data drive line 26 charge transfer line 32 second thin film transistor 40 storage capacitor 1 halogen 14 halogen electrode 20 scan drive line 24 counter electrode voltage line 3〇 a thin film transistor 34, a third thin film transistor 42 liquid crystal capacitor

Claims (1)

200841310 十、申請專利範園： • 1·-種畫素驅動電路，其係應用在―液日日日顯示面板之—畫素中，該晝素驅 動電路係包括： 第開關單元’其係與一資料驅動線、一掃瞒驅動線、一儲存單元 麵接’該第-開關單元係用以對該儲存單元進行充電； 帛-關早7〇，其倾該儲存單元、—電荷傳遞線…晝素驅動單 _接，藉_第二_單元以糊齡於_存單元狀電荷以對該晝 春素驅動單元進行充電·， -第二開關單元’其倾—對向電極電壓線、該電荷傳遞線、 該畫素驅動單元输，該第三關單元储由該對向電極電壓線以開啟， 並且對該晝素驅動單元進行放電；以及 單7G電極⑽根據财素轉單元之電餘來驅_單元電極， 以決疋相對應於該單元電極之該畫素的作動。200841310 X. Applying for a patent garden: • 1·- a kind of pixel driving circuit, which is applied to the pixel of the liquid day and day display panel, the elementary driving circuit system includes: a data driving line, a broom driving line, and a storage unit are connected to the 'the first switching unit for charging the storage unit; 帛-off 7 早, which tilts the storage unit, the charge transfer line...昼Driving the single_connected, borrowing the second_unit to paste the unitary charge to charge the pyroxene driving unit, and the second switching unit's tilting-opposing electrode voltage line, the charge a transfer line, the pixel driving unit is driven, the third off unit is stored by the opposite electrode voltage line to be turned on, and discharges the pixel driving unit; and the single 7G electrode (10) is based on the power of the financial unit Driving the cell electrode to determine the operation of the pixel corresponding to the cell electrode. 2.如申細_1撕增鶴麵m娜動線係傳 送-資料訊號至該第一開關單元，並依據該資料峨以對耦接於該第一 開關單元之該儲存單元進行充電。 3·如申咖細第1彻㈣_電路，其中，細驅動線係傳 、二S號至該第關單①，以控繼第—Μ單S之鱗或關閉。 .如^專利範圍第i項所述之晝素驅動電路其中，該電荷傳遞線係傳 、、〗°魏^'該帛—關料，並依據該電壓狀減以對麵接 於該第二開關單元之該晝素驅動單元進行充電。 13 200841310 5·如申料概丨撕叙晝素轉電路 係傳送一電壓輸出訊號至該第三開關單元，^中’該對向電極電壓線 輕接於該t關單元之财素鱗料«触訊號以對 6. 如申請專利細第丨彻述之畫素驅動電^電。 選自電晶體或薄膜電晶體。 其中’該第-開關單元係 7. 如申請專利範圍第！項所述之畫素驅動電路 選自電晶體或薄膜電晶^ ，、中，該第二開關單元係 8. 如申請專利範圍第！項所述之畫素驅動電路 選自電晶體或薄膜電晶體。 -，該第三開關單元係 9. 如申請專利範圍第1項所述之晝素驅動 存電容。 其中，該儲存單元係為儲 讥如申請專利範圍第i項所述之畫素 复 為液晶電容。魏騎，該晝素驅動單元係 U.如申請專利範圍第1項所述之晝素動 明導電電極。 ，辟4極係為透 比如申請專利範圍第i項所述之畫素驅動電路，其中，該液晶顯示面板係 藉由一背光模組以提供光源。 说如申請專利範圍第12項所述之晝素驅動電路，其中，該背光模組所提 供之光源技私至雜_和油係蚁概畫素㈣單元之電壓 值是否已達到預設充電電壓值。 认-種畫素驅動電路之驅動方法，其係用以驅動一液晶顯示面板之晝素 200841310 該畫素驅動電路係包括-第-開關單元，其係她一資料驅動線、_ 掃瞎驅祕與-齡單元，U關單元，其_接於霞存單元、 一電荷傳遞線、一畫素驅動單元，一第=pufltra 開關早元，其係耦接於一對向 電極電壓線、該電荷傳遞線、該畫素驅動單元，且該資料驅動線係用以 傳《料1«'該_驅__ _遞掃_號、該電荷傳遞線係用 以傳遞電壓輸入訊號、該對向電極電壓绩位田、& 电緩線係用Μ傳遞電壓輸出訊號；該 畫素驅動方法係包括下列步驟：2. If Shen Shen_1 tears the crane face and sends the data signal to the first switch unit, and according to the data, the storage unit coupled to the first switch unit is charged. 3. For example, Shen Qi is the first (four) _ circuit, in which the fine drive line is transmitted, and the second S number is passed to the first order, to control the scale of the first-single S or to close. For example, in the halogen drive circuit described in the item i of the patent range, the charge transfer line transmits, and the 魏° ^ 帛 帛 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关 关The cell drive unit of the unit is charged. 13 200841310 5·If the application of the product is to transfer a voltage output signal to the third switching unit, the voltage of the opposite electrode is connected to the financial scale of the unit. The touch number is in the right. 6. If you apply for a patent, the details are driven by the pixel. It is selected from a transistor or a thin film transistor. Where 'the first-switch unit is 7. As claimed in the patent scope! The pixel driving circuit described in the item is selected from a transistor or a thin film transistor, and the second switching unit is 8. As claimed in the patent scope! The pixel driving circuit described in the item is selected from a transistor or a thin film transistor. - The third switching unit is a halogen-driven storage capacitor as described in claim 1. Wherein, the storage unit is a liquid crystal capacitor which is stored in the pixel as described in item i of the patent application scope. Wei Qi, the halogen drive unit is U. The patented conductive electrode as described in claim 1. For example, the pixel driving system is a pixel driving circuit as claimed in claim i, wherein the liquid crystal display panel provides a light source by a backlight module. The method as claimed in claim 12, wherein the backlight module provides a light source technology that is independent of the voltage value of the unit and the oil system ant element (4) unit has reached a preset charging voltage. value. The driving method of the pixel driving circuit is used to drive a liquid crystal display panel. The pixel driving circuit includes a -th switch unit, which is a data driving line, _ And a aging unit, a U-off unit, which is connected to the Xia memory unit, a charge transfer line, a pixel drive unit, and a pufltra switch element, which is coupled to the pair of electrode voltage lines and the charge a transfer line, the pixel driving unit, and the data driving line is used to transmit a material 1 «' _ _ _ _ _ _ _ number, the charge transfer line is used to transmit a voltage input signal, the opposite electrode The voltage performance field, & electric slow line is used to transmit the voltage output signal; the pixel driving method includes the following steps: 致能該掃瞄驅動線； 驅動該儲存單元進行充電; 輸入該資料訊號至該資料驅動線以 失能該掃瞄驅動線； 致能該對向電極電壓線； 輸入該電壓輸出訊5虎以使該晝素驅動單元進行放電· 失能該對向電極電壓線； 致能該電荷傳遞線； :以及 輸入該電壓輸人減崎該纟素驅料元進行充電· 失能該電荷傳遞線。 15. 如申_顧第14項所述之畫素驅動綠，其中，輸入娜 訊號以使該晝素_單元騎我域畫健料元之電齡船 設放電電壓值為止。 16. 如申請專利範圍第14項所述之晝素驅動方法，其中，輸入糊 訊號以使該畫素驅動單元進行充電係透職儲存單元内之電荷椒 15 200841310 現0 Π·如申請專利範圍第14項所述之畫素驅動方法，其中，輸入該電壓輸入 訊號以使該畫素驅動單元進行充電至該畫素驅動單元之電壓值趨近於預 設充電電壓值為止。 18.如申請專利範圍第14項所述之晝素驅動方法，其中，該液晶顯示面板 係接收來自一背光模組所提供之光源。 19·如申請專利範圍第18項所述之晝素驅動方法，其中，自致能該對向電 極電壓線至失能該電荷傳遞線為止，該背光模組之光源係未進入至該液 晶顯示面板内。 2〇·如申請專利範圍第18項所述之晝素驅動方法，其中，失能該電荷傳遞 線後，該背光模組之光源係進入至該液晶顯示面板内。 21· 一種液晶顯示裝置，其係包括： 一背光模組，其係利用一光源以提供光線；以及 一液晶顯示硫，其係接絲自該背光模賴提供之該光源，該液晶 顯示面板係包括： 一液晶驅動單元，其係包括複數畫素驅動電路、複數電源管理電路 與色彩驅動電路，而每-該畫素驅動電路係包括： 一第一開關單7G，其係與一資料驅動線、一·掃瞄驅動線、一儲 存單元搞接’該第-開關單元係用以對該儲存單元進行充電； 一第二開關單元，其係與該儲存單元、-電荷傳遞線、-晝素 驅動單’ H由該第二開關單元以細儲存於該儲存單元内 200841310 之電荷以對該畫素驅動單元進行充電· … 第-關單7〇 ’其雜—對向麵電麟、該電荷傳遞線、 該晝素驅動單元祕，該第三開關單元係藉由麟向電極電壓線 關啟，並且對該畫素驅鱗元進魏電；以及 -單元電極’其雜據該晝素驅動單元之電壓值來驅動該單元 電極，以決定相對應於該單元電極之該畫素的作動；以及 一液晶齡料’其係具有複軌學元件與-液晶單元，該液晶單 •元係透過該液晶驅動單元之驅動以進行旋轉，並同時配合來自該背光模組 之該光源在經過該些光學元件後以完成影像之顯示。 22.如申請專利範圍第21項所述之液晶顯示袭置，其中，該資料驅動線係 傳送一資料訊號至該第一開關嚴开， 早7〇並依據該資料訊號以對耦接於該第 一開關單元之該儲存單元進行充電。 23·如申請專利範圍第21項所述之液晶顯示裳置，其中，該掃蹈驅動線係 傳送-掃晦訊號至該第單元，以控制該第—關料之啟動或關 • 閉。 24. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該電荷傳遞線係 傳送-電壓輸入訊號至該第二開關單元，並依據該電壓輸入訊號以對輕 接於該第二開關單元之該畫素驅動單元進行充電。 25. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該對向電極電壓 線係傳送-卿㈣賴㈣瓣H峨賴出訊號以 對耦接於該第三開關單元之該畫素驅動單元進行放電。 200841310 . / 26.如申請專利範圍第21項所述之液晶顯示裝置，其中，該第一開關單元 ^ 係選自電晶體或薄膜電晶體。 • 27.如申請專利範圍第21項所述之液晶顯示裝置，其中，該第二開關單元 係選自電晶體或薄膜電晶體。 28. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該第三開關單元 係選自電晶體或薄膜電晶體。 29. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該儲存單元係為 Φ 儲存電容。 30. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該晝素驅動單元 係為液晶電容。 31. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該單元電極係為 透明導電電極。 32. 如申請專利範圍第21項所述之液晶顯示裝置，其中，該背光模組中之 該光源是否進入至該液晶顯示面板内係決定於該晝素驅動單元之電壓值 是否已達到預設充電電壓值。Enabling the scan driving line; driving the storage unit for charging; inputting the data signal to the data driving line to disable the scanning driving line; enabling the opposite electrode voltage line; inputting the voltage output signal Disposing the halogen drive unit to discharge and disable the counter electrode voltage line; enabling the charge transfer line; and inputting the voltage to input the voltage to the charge source to charge and disable the charge transfer line. 15. If the pixel is green as described in item 14 of the application, the input signal is input so that the elementary battery is set to the discharge voltage value of the electric age ship of the field. 16. The method as claimed in claim 14, wherein the input of the paste signal is such that the pixel driving unit performs charging in the charging unit. The fuel is in the storage unit. The pixel driving method of claim 14, wherein the voltage input signal is input to cause the pixel driving unit to perform charging until the voltage value of the pixel driving unit approaches a preset charging voltage value. 18. The method as claimed in claim 14, wherein the liquid crystal display panel receives a light source provided from a backlight module. The method as claimed in claim 18, wherein the light source of the backlight module does not enter the liquid crystal display until the opposite electrode voltage line is enabled to disable the charge transfer line. Inside the panel. 2. The method as claimed in claim 18, wherein the light source of the backlight module enters the liquid crystal display panel after the charge transfer line is disabled. 21· A liquid crystal display device, comprising: a backlight module that uses a light source to provide light; and a liquid crystal display sulfur that is connected to the light source provided by the backlight module, the liquid crystal display panel The system includes: a liquid crystal driving unit, comprising a plurality of pixel driving circuits, a plurality of power management circuits, and a color driving circuit, and each of the pixel driving circuits includes: a first switch unit 7G, which is coupled to a data driving line a scan drive line, a storage unit is connected to the 'the first switch unit for charging the storage unit; a second switch unit connected to the storage unit, the charge transfer line, and the halogen The driving unit 'H is charged by the second switching unit with a charge stored in the storage unit 200841310 to charge the pixel driving unit. · The first-off single 7〇' its hetero-opposite surface, the electric charge a transfer line, the pixel driving unit secret, the third switching unit is turned off by the lining electrode voltage line, and the pixel is driven by the pixel; and the - unit electrode a voltage value of the cell to drive the cell electrode to determine an operation of the pixel corresponding to the cell electrode; and a liquid crystal ageing material having a re-railing element and a liquid crystal cell, the liquid crystal cell The liquid crystal driving unit is driven to rotate, and simultaneously the light source from the backlight module passes through the optical components to complete the display of the image. 22. The liquid crystal display according to claim 21, wherein the data driving line transmits a data signal to the first switch, and is coupled to the first signal according to the data signal. The storage unit of the first switching unit is charged. 23. The liquid crystal display device of claim 21, wherein the sweeping drive line transmits a broom signal to the first unit to control activation or closing of the first material. 24. The liquid crystal display device of claim 21, wherein the charge transfer line transmits a voltage-input signal to the second switch unit, and the light is input according to the voltage to lightly connect to the second switch. The pixel drive unit of the unit is charged. 25. The liquid crystal display device of claim 21, wherein the counter electrode voltage line transmits a picture that is coupled to the third switch unit. The prime drive unit discharges. The liquid crystal display device of claim 21, wherein the first switching unit is selected from a transistor or a thin film transistor. The liquid crystal display device of claim 21, wherein the second switching unit is selected from a transistor or a thin film transistor. 28. The liquid crystal display device of claim 21, wherein the third switching unit is selected from a transistor or a thin film transistor. 29. The liquid crystal display device of claim 21, wherein the storage unit is a Φ storage capacitor. The liquid crystal display device of claim 21, wherein the halogen driving unit is a liquid crystal capacitor. The liquid crystal display device of claim 21, wherein the unit electrode is a transparent conductive electrode. The liquid crystal display device of claim 21, wherein whether the light source in the backlight module enters the liquid crystal display panel determines whether the voltage value of the pixel driving unit has reached a preset value. Charging voltage value.
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