201232369 六、發明說明： 【發明所屬之技術領域】 本發明《於-種觸控螢幕顯示器，特別是—種能夠降 低成本的觸控螢幕顯示器。201232369 VI. Description of the Invention: [Technical Field] The present invention relates to a touch screen display, and in particular to a touch screen display capable of reducing cost.
圖1^知液晶顯示器的驅動電路方塊圖。液晶顯示器 (CD) 10包3顯不面板15及一顯示驅動電路。顯示驅動 ::包含-時序控制器U、1極驅動電路12、—源極驅 動电路13及-舰電極14。_錄15包衫個像素單 疋、多條掃描線XI〜Xn及多條f料線Y1〜Ym姻線χ地 輕接問_動電路12，資料線Yl〜Ym _原極驅動電路13 用以操作該些像素單元。每—像素單元包含—薄膜電晶體B 、-儲存電容α，儲存電容C1 一端麵接於薄膜電晶體η 的源極’另-端雛於共通電極14。薄職晶體Τι的源極 耗接於-貪料線（data line Gr s_e line)，其開極輕接於一 掃描線（scanlineorgateiine)。於液晶顯示器1〇操作時閘 極驅動電路12傳送開關電壓Ts到掃描線XI〜χη，進而依序 地開啟多個薄獏電晶體Τ1，並由源極驅動電路π傳送灰階 201232369 電壓VDs到資料線Y1〜Ym，用以改變每一像素單元中之液 晶（未顯示）的穿透率。 圖2顯示一個習知電容式觸控面板(capadtive丨⑽土 panel)的架構示意圖。請參考圖2 ’習知電容式觸控裝置2〇 包含-電容式觸控面板21及-感測控· 電容式觸控 面板21包含多條感測線，該些感測線包含仏+如條導線； 用以感_控面板之X轴方向位置的電容H(caPaeitor)23 ; 乂及用以感測觸控面板之Y軸方向位置的電容器24。感測 控制器22包含有多個接腳，該些接腳分別耦接於該些導線 Dn 及 Sm。 當使用者觸碰電容式觸控面板21的某一位置時，使位 於或鄰近該位置的電容器U1及112產生_對應於該觸碰的 等效電容值’並藉由對應之導線以及Sm，傳送至感測控制 态22。感測控制器22以分時方式依序地接收該些導線^ 及Sm的多個電容值。當感測控制器22測得來自導線及 Sm的電容值包含對應於該觸碰的等效電容值時，即可利用 位於或鄰賴位置的電容器⑴的χ座標及電容器ιΐ2的y 座標，§f异出被觸碰之該位置的坐標。 依據習知技術’即將液晶顯示器(LCD) 10及電容式觸控 面板21加以貼合形成_觸控螢幕顯示器，因此習知的觸控 螢幕顯不H形麟疊結構，厚紐厚，且需貼合程序增加製 201232369 造程序而提高成本。 【發明内容】 本發明-實施例之目的在於提供—_控螢幕顯示 器。一實施例之目的在於提供一種能夠降低成本的觸控螢幕 顯示器。一實施例之目的在於提供一種觸控感測電路及顯示 驅動電路共用多條資料線及多條掃描線的觸控螢幕顯示器。 依據本發明一實施例，提供—種觸控螢幕顯示器包含一 顯示面板、一顯示驅動電路、—觸控感測電路及一座標計算 裝置。顯示面板包含多條資料線、歸掃描線及多個像素單 心每-像素單元包含-切換元件及—齡電容分難接該 些資料線其-及祕掃赠其_。齡驅動電路包含一間極 驅動電路及-源極鶴電路1極驅動電路耦接於該些掃描 線用以提供—開關電壓於每—掃描線。源極驅動電_接於 该些資料線’肋提供__灰階電壓於每—:雜線。觸控感測 電路包3 —祕制控織路，雜制控魏路耦接於該 些資料線，肋提供—源極制碰於每—f料線，並感測 輕接於每-資料線之該些儲存電容的電容值。座標計算裝 置，耦接源極感測控制電路，接收源極感測控制電路所傳來 之該些資料_該些電容值，比_些__該些電容 值，以獲得一座標。 201232369 於一實施例中，觸控感測電路更包含一閘極感測控制電 路，耦接於該些掃描線，並感測耦接於每一掃描線之該些儲 存電容的電容值。座標計算裝置更比較該些掃描線的該些電 容值’以獲得前述座標。 於一實施例中，觸控螢幕顯示器更包含一時序控制器， 時序控制器用以接收一影像訊號，並將影像訊號解析出一開 關電壓控制訊號及一灰階電壓資料訊號，閘極驅動電路依據 開關電壓控制訊號產生該些開關電壓，源極驅動電路依據灰 1¾電壓> 料訊號產生該些灰階電壓。較佳的情況是，時序控 制器更將影像訊號解析解析出一源極感測電壓資料訊號，而 且源極感測控制電路更依據源極感測電壓資料訊號產生該 些源極感測電壓。 於一實施例中，每一開關電壓皆具有一高水平區域，且 在母一開關電壓的高水平區域内，源極驅動電路提供一灰階 電壓於每-資麟，而且雜❹彳控制電路提供—源極感測 電壓VSs於該些資料線中的至少一部分。 由於本發明-實施例，觸控螢幕顯示關顯示驅動電路 及觸控感測電路，共職示面板上的多條龍線、多條掃描 線及儲存電容，因此歸資料線、錯掃猶及儲存電容能 夠同時用來顯示晝面以及產生被觸碰的座標因此本發明一 實施例不需要額外製造電容式觸控面板能關省製造成本。 201232369 本發明的其他目的㈣料收本發騎揭露的技術 特徵中制進-步的了解。騎本㈣之上述和其他目的、 圖 特徵和優點能更明顯紐，下文特舉實施例並配合所附 式，作詳細說明如下。 【實施方式】 圖3顯示依本發明一實施例觸控勞幕顯示器的電路圖。 觸控螢幕顯示器100包含一顯示面板15、一顯示驅動電路及 一觸控感測電路。 顯示面板15包含多條資料，線Yl〜Ym、多條择描線 XI〜Xn及知像素單元，每-像素單元包含—城元件T1 及-健存電容α。婦元件T1及財電容C1分別雛該 些資料線Y1〜Ym S一及該些掃描線力〜沿其…切換元件 T1可以為一薄膜電晶體。顯示驅動電路包含一共用電極14、 閘極驅動電路12、一源極驅動電路13及一時序控制器 11。觸控感測電路包含一源極感測控制電路41、一閘極感測 控制電路42及一座標計算裝置43。 時序控制器11耦接閘極驅動電路12及源極驅動電路 13 N·序控制器11接收一影像訊號，用以將影像訊號解析 成開關電壓控制訊號Ts及灰階電壓資料訊號Ds (訊號Ts及 Ds皆包含產生電壓的時序資訊）。閘極驅動電路12依據開關 201232369 Μ控舰號Ts分時地產生乡個關驗Ws，且間極驅動 電路12耗接於該些掃描線沿〜知，用以提供一開關電壓vTs 於每-掃描線XI〜I源極驅動電路13依據灰階電壓資料 訊號Ds分時地產生多個灰階電壓，且源極驅動電路u耗接 於該些資料線Y1〜Ym，用以提供一灰階電壓於每一資 料線Y1〜Ym。時序控制器u更將前述影像訊號解析解析出 -源極感測電壓資料訊號Ss，源極感測控制電路41更依據 φ 雜感測電壓資料訊號&分時地產生多個源極感測電壓，且 源極感測控制電路41，輕接於該些資料，線Y1〜Ym，用以提 供-源極感測電壓VSs於該些資料線Y1〜Ym #的至少一部 分。 當使用者觸補控螢幕顯示H 的某—位置時，使位 於及/或鄰近該位置的多個儲存電容C1的電容值會改變，而 f生-對應於該觸碰的等效電容值，並藉_接該些錯存電 容C1的資料線Y1〜Ym，傳送至源極驅動電路13 •及藉由耦 • 接該些儲存電容C1的掃描線幻〜ΧΠ，傳送至閘極驅^電路 12。接著。原極驅動電路13感測雛於每一相同資料線之 該些儲存電容C1的電容值；而間極感測控制電路η感_ 接於每相同掃描線之該些儲存電容的電容值。 座標。1'算裝置43 _接源極感測控制電路，並接收源 極感測控制電路13從該些資料線Y1〜Ym所測得的該些電容 [Si 201232369 值，分析該#•資料線Y1〜Ym賴些電雜，當源極感測控 制電路13測得來自導線資料線Y1〜Ym的電容值包含對應於 該觸碰的等效電容辦，料_位於祕近紐置的館存 電谷C1的X座標及y座標，計算出被觸碰之該位置的坐標， 如此即可獲得—座標。於本實施例中，座標產生裝置43包 含一電容數位轉換器431及一座標計算器432。電容數位轉 換盗431依據每—感測結果訊號的電容值大小產生一相對應 之數位電容值。座標計算器432接收输該些數位電容值， 並依據該些數位電容值痩生一座標資料。 圖4顯示本發明一實施例之源極驅動電路、問極驅動電 路及源極感測控制電路所提供之各種f制關係的示意 圖’ 5A〜5C 本發明_實施例之源極驅動電路及源極感 測控制電路所提供之各種電壓間的關係的示意圖。以下將參 照圖4所示實施例，更說明本㈣_實施财，顯示驅動電 路及觸控感測電路的運作方式。 如圖4及5A〜5C所不，每一開關電壓VTs、灰階電壓 VDs及源極感測電壓VSs為一階梯式訊號且具有一高水平區 域。於本實施财，在開關電壓VTs的高水平區域内源極 驅動電路13提供—灰階電壓瓜於每-資料線Y1〜Ym，用 以顯示-晝面’而且源極感測控制電路41提供一源極感測 電壓VSs於該些資料線Υ1〜γ_的至少—部分，用以感測 201232369 一觸碰。於—實施例中，源極感測控制電路41亦可以在開 關電壓VTs的兩水平區勒提供__源極感測電壓心於每一 資料線Y1 Ym t。然而，由於用以感測觸控的解析度不 而要到達如顯示t像之像素的解析度的程度，因此於—實施 例中，如圖4所示，於T2的時間内，在掃描線幻之開關電 磨VTs的〶水平輯’亦可以财雜购電路提供— 灰階電壓VDs於每—資料線Y1〜Ym，而雜制控制電路 41不提供任何感測用電壓。 此外，本發明不限定閘極驅動電路12、一源極驅動電路 13及源極感測控制電路41，提供電壓至該些掃描線又丨〜办 及資料線Y1〜Ym，用以對該些儲存電容C1進行充電的方 式。以下舰縣干的實财^ L 了解的是，於本發 明所屬領域具有通常知識者，係能夠依據本發明所揭示内 谷'及顯示器之產品規格等，自行設計該些驅動及控制電路 的運作方式。 如圖5A所示，在開關電塵VTs的高水平區域内，於源 極驅動電路13提供一灰階電壓VDs後，源極感測控制電路 41亦提供一源極感測電壓VSs。亦即，於一源極感測電壓 VSs位於兩相鄰灰階電壓VDs之間。如此，可利用一資料線 得到一座標。 如圖5B所示’在開關電壓VTs的高水平區域内，於包 201232369 3有夕個源極感測電壓VSs的一源極感測電壓群組，位於兩 相鄰灰階電I VDs之間。如此’可_多條倾轉到一座 ‘。由於用以感測觸控的解析度，不需要到達如顯示影像之 像素的解析度的程度，因此藉此方式，可以擴大計算座標之 電谷值的母體，能夠得到較精確的座標。 如圖5C所示，在開關電壓VTs的高水平區域内，多數 組相異的源極感測電壓群組，位於兩相鄰灰階電壓之 間’每一源極感測電壓群組包含有多個源極感測電壓VSs。 如此，在開關電壓VTs的高水平區域内，可利用多條資料線 得到多數個座標。因此藉此方式，可以更進一步擴大計算座 標之電容值的母體’能夠得到更精確的座標。 綜上所述，由於本發明一實施例，觸控螢幕顯示器1〇〇 的顯示驅動電路及觸控感測電路，共用顯示面板15上的多 條資料線Y1〜Ym、多條掃描線XI〜Χη及儲存電容α，因此 多條資料線Υ1〜Ym '多條掃描線XI〜Χη及儲存電容C1能 夠同時用來顯示畫面；以及產生被觸碰的座標。相較於習知 技術’本發明一實施例不需要額外製造電容式觸控面板能夠 簡省製造成本。於一實施例中，由於不需要額外堆疊一電容 式觸控面板’觸控螢幕顯示器1〇〇的厚度能夠較薄。 雖然本發明已以較佳實施例揭露如上，然其並非用以限 定本發明，任何熟習此技藝者，在不脫離本發明之精神和範 12 201232369 圍内®可作些許之更動與潤飾，因此本發明之保護範圍當 減附之Μ專繼_界定者鱗。糾，树明的任: 實施例或巾請專職财㈣縣伽所揭露之全部目的 或優點或特點。此外’摘要部分和標題僅是用來輔助專利文 件搜尋之用’並非用來限制本發明之權利範圍。 【圖式簡單說明】Fig. 1 is a block diagram showing a driving circuit of a liquid crystal display. Liquid crystal display (CD) 10 packs of 3 display panel 15 and a display driver circuit. The display driver includes: a timing controller U, a one-pole driving circuit 12, a source driving circuit 13, and a ship electrode 14. _ Record 15 shirts single pixel, multiple scan lines XI~Xn and multiple f feed lines Y1~Ym marriage line lightly connect _ move circuit 12, data line Yl~Ym _ original drive circuit 13 To operate the pixel units. Each of the pixel units includes a thin film transistor B and a storage capacitor α. The storage capacitor C1 has an end face connected to the source of the thin film transistor η and is further connected to the common electrode 14. The source of the thin crystal Τι is consumed by the data line Gr s_e line, which is connected to a scanlineorgateiine. When the liquid crystal display operates, the gate driving circuit 12 transmits the switching voltage Ts to the scanning lines XI to χη, thereby sequentially turning on the plurality of thin transistors Τ1, and the source driving circuit π transmits the gray level 201232369 voltage VDs to The data lines Y1 to Ym are used to change the transmittance of the liquid crystal (not shown) in each pixel unit. FIG. 2 shows a schematic diagram of a conventional capacitive touch panel (capadtive(10) earth panel). Referring to FIG. 2, a conventional capacitive touch device 2 includes a capacitive touch panel 21 and a sensing control. The capacitive touch panel 21 includes a plurality of sensing lines, and the sensing lines include a 仏+ such as a strip wire; a capacitor H (caPaeitor) 23 for sensing the position of the X-axis direction of the panel; and a capacitor 24 for sensing the position of the touch panel in the Y-axis direction. The sensing controller 22 includes a plurality of pins, and the pins are respectively coupled to the wires Dn and Sm. When the user touches a certain position of the capacitive touch panel 21, the capacitors U1 and 112 located at or adjacent to the position generate an equivalent capacitance value corresponding to the touch and pass the corresponding wire and Sm. Transfer to the sense control state 22. The sensing controller 22 sequentially receives a plurality of capacitance values of the wires ^ and Sm in a time sharing manner. When the sensing controller 22 measures that the capacitance value from the wire and the Sm includes an equivalent capacitance value corresponding to the touch, the y coordinate of the capacitor (1) located at or adjacent to the y coordinate of the capacitor ιΐ2 can be utilized, § f The coordinates of the position at which the difference is touched. According to the prior art, a liquid crystal display (LCD) 10 and a capacitive touch panel 21 are attached to each other to form a touch screen display. Therefore, the conventional touch screen is not H-shaped, thick and thick, and needs to be The bonding program increases the cost of creating the 201232369 program. SUMMARY OF THE INVENTION It is an object of the present invention to provide a _ control screen display. It is an object of an embodiment to provide a touch screen display that can reduce cost. An embodiment of the present invention provides a touch screen display in which a touch sensing circuit and a display driving circuit share a plurality of data lines and a plurality of scanning lines. According to an embodiment of the invention, a touch screen display includes a display panel, a display driving circuit, a touch sensing circuit, and a standard computing device. The display panel includes a plurality of data lines, a returning scan line, and a plurality of pixel single-core per-pixel units including - switching elements and - age capacitors are difficult to connect to the data lines - and secret scans are provided. The driver circuit includes a pole drive circuit and a source driver circuit coupled to the scan lines for providing a switching voltage to each scan line. The source driver is connected to the data lines and the ribs provide __ gray scale voltage to each:: ray. Touch sensing circuit package 3 - secret control weaving road, miscellaneous control Wei Lu is coupled to the data lines, ribs provide - source touches each - f material line, and senses light connection to each - data The capacitance value of the storage capacitors of the line. The coordinate calculation device is coupled to the source sensing control circuit, and receives the data from the source sensing control circuit. The capacitance values are compared to the capacitance values to obtain a target. In one embodiment, the touch sensing circuit further includes a gate sensing control circuit coupled to the scan lines and sensing capacitance values of the storage capacitors coupled to each of the scan lines. The coordinate computing device compares the capacitance values of the scan lines to obtain the aforementioned coordinates. In an embodiment, the touch screen display further includes a timing controller, wherein the timing controller is configured to receive an image signal, and parse the image signal into a switching voltage control signal and a gray scale voltage data signal, and the gate driving circuit is based on The switching voltage control signal generates the switching voltages, and the source driving circuit generates the gray scale voltages according to the gray voltages of the materials. Preferably, the timing controller further parses the image signal to resolve a source sensing voltage data signal, and the source sensing control circuit generates the source sensing voltages according to the source sensing voltage data signal. In one embodiment, each of the switching voltages has a high level region, and in a high level region of the parent switching voltage, the source driving circuit provides a gray scale voltage to each of the Zilin, and the noise control circuit Providing a source sense voltage VSs to at least a portion of the data lines. According to the present invention, the touch screen displays the display driving circuit and the touch sensing circuit, and the plurality of dragon lines, the plurality of scanning lines and the storage capacitors on the common display panel, so that the data line and the wrong scanning are still The storage capacitor can be used to simultaneously display the face and generate the touched coordinates. Therefore, an embodiment of the present invention does not require additional manufacturing of the capacitive touch panel to save manufacturing costs. 201232369 Other objects of the present invention (4) The understanding of the technical characteristics of the acquisition and release of the invention. The above and other objects, features and advantages of the present invention can be more apparent. The following detailed description of the embodiments and the accompanying drawings are as follows. Embodiments FIG. 3 is a circuit diagram showing a touch screen display according to an embodiment of the present invention. The touch screen display 100 includes a display panel 15, a display driving circuit and a touch sensing circuit. The display panel 15 includes a plurality of pieces of data, lines Y1 to Ym, a plurality of selection lines XI to Xn, and a known pixel unit, and each of the pixel units includes a city element T1 and a storage capacitor α. The female component T1 and the financial capacitor C1 respectively form the data lines Y1 to Ym S and the scanning line forces. The switching element T1 can be a thin film transistor. The display driving circuit includes a common electrode 14, a gate driving circuit 12, a source driving circuit 13, and a timing controller 11. The touch sensing circuit includes a source sensing control circuit 41, a gate sensing control circuit 42, and a landmark computing device 43. The timing controller 11 is coupled to the gate driving circuit 12 and the source driving circuit 13 . The sequence controller 11 receives an image signal for parsing the image signal into the switching voltage control signal Ts and the gray scale voltage data signal Ds (signal Ts And Ds contain timing information for generating voltage). The gate driving circuit 12 generates a home security check Ws according to the switch 201232369 control ship number Ts, and the interlayer driving circuit 12 is consumed by the scanning line edges to provide a switching voltage vTs for each - The source driving circuit 13 generates a plurality of gray scale voltages according to the gray scale voltage data signal Ds, and the source driving circuit u is connected to the data lines Y1 YYm to provide a gray scale. The voltage is on each data line Y1~Ym. The timing controller u further analyzes the image signal to analyze the source sensing voltage data signal Ss, and the source sensing control circuit 41 generates a plurality of source sensing voltages according to the φ impurity sensing voltage data signal & And the source sensing control circuit 41 is lightly connected to the data, and the lines Y1 YYm are used to provide the source sensing voltage VSs to at least a part of the data lines Y1 YYm #. When the user touches the control screen to display a certain position of H, the capacitance value of the plurality of storage capacitors C1 located at and/or adjacent to the position is changed, and f--corresponding to the equivalent capacitance value of the touch, And transmitting the data lines Y1 YYm of the faulty capacitors C1 to the source driving circuit 13 and transmitting to the gate driving circuit by coupling the scanning lines of the storage capacitors C1 to the gate driving circuit 12. then. The primary driving circuit 13 senses the capacitance values of the storage capacitors C1 of each of the same data lines; and the differential sensing circuit η senses the capacitance values of the storage capacitors connected to each of the same scanning lines. coordinate. 1' computing device 43_ is connected to the source sensing control circuit, and receives the capacitances measured by the source sensing control circuit 13 from the data lines Y1 YYm [Si 201232369 value, analyzing the #• data line Y1 ~Ym depends on some electrical impurities, when the source sensing control circuit 13 measures the capacitance value from the wire data line Y1~Ym, including the equivalent capacitance corresponding to the touch, the material_located in the secret near the new site The X coordinate and the y coordinate of the valley C1 calculate the coordinates of the position touched, so that the coordinates can be obtained. In the present embodiment, the coordinate generating device 43 includes a capacitive digital converter 431 and a landmark calculator 432. The capacitance digital conversion thief 431 generates a corresponding digital capacitance value according to the capacitance value of each of the sensing result signals. The coordinate calculator 432 receives and outputs the digital capacitance values, and generates a calibration data according to the digital capacitance values. 4 is a schematic diagram showing various f-type relationships provided by a source driving circuit, a gate driving circuit, and a source sensing control circuit according to an embodiment of the present invention. 5A to 5C. The source driving circuit and source of the present invention. A schematic diagram of the relationship between various voltages provided by the pole sensing control circuit. Hereinafter, referring to the embodiment shown in FIG. 4, the operation mode of the display driving circuit and the touch sensing circuit will be further described in the present invention. As shown in Figures 4 and 5A to 5C, each of the switching voltage VTs, the gray scale voltage VDs and the source sensing voltage VSs is a stepped signal and has a high level region. In the implementation, in the high level region of the switching voltage VTs, the source driving circuit 13 provides - a gray scale voltage is applied to each of the data lines Y1 YYm for displaying the - surface" and the source sensing control circuit 41 provides A source sensing voltage VSs is at least a portion of the data lines Υ1~γ_ for sensing a 201232369 one touch. In the embodiment, the source sensing control circuit 41 can also provide a __ source sensing voltage center to each of the data lines Y1 Ym t in two horizontal regions of the switching voltage VTs. However, since the resolution for sensing the touch does not reach the degree of resolution of the pixel as the t image is displayed, in the embodiment, as shown in FIG. 4, in the time of T2, the scan line The 〒 level of the phantom switch electric grinder VTs can also be provided by the circuit - the gray scale voltage VDs is in each data line Y1~Ym, and the miscellaneous control circuit 41 does not provide any sensing voltage. In addition, the present invention does not limit the gate driving circuit 12, the source driving circuit 13, and the source sensing control circuit 41, and supplies voltages to the scan lines and the data lines Y1 to Ym for The way in which the storage capacitor C1 is charged. The following is the actual wealth of the shipowners. It is understood that those who have the usual knowledge in the field to which the present invention pertains can design the operation of the drive and control circuits according to the product specifications of the inner valley and the display disclosed in the present invention. the way. As shown in FIG. 5A, in the high level region of the switching dust VTs, after the source driving circuit 13 supplies a gray scale voltage VDs, the source sensing control circuit 41 also provides a source sensing voltage VSs. That is, the one source sense voltage VSs is located between two adjacent gray scale voltages VDs. In this way, a data line can be used to obtain a target. As shown in FIG. 5B, in the high-level region of the switching voltage VTs, a source sensing voltage group having a source sensing voltage VSs in the packet 201232369 3 is located between two adjacent gray-scale electrical I VDs . So, 'may be more than one to ‘. Since the resolution of the touch is not required to reach the resolution of the pixel of the display image, the matrix for calculating the electric valley value of the coordinate can be enlarged by this method, and a more accurate coordinate can be obtained. As shown in FIG. 5C, in a high level region of the switching voltage VTs, a plurality of different arrays of source sensing voltages are located between two adjacent gray scale voltages. 'Each source sensing voltage group includes Multiple sources sense voltage VSs. Thus, in the high level region of the switching voltage VTs, a plurality of data lines can be used to obtain a plurality of coordinates. Therefore, in this way, the matrix 'which calculates the capacitance value of the coordinates can be further enlarged to obtain more accurate coordinates. In summary, according to an embodiment of the present invention, the display driving circuit and the touch sensing circuit of the touch screen display 1 are shared by the plurality of data lines Y1 YYm and the plurality of scanning lines XI~ on the display panel 15. Χη and storage capacitor α, so a plurality of data lines Υ1 to Ym 'multiple scan lines XI Χ η and storage capacitor C1 can be used simultaneously to display the picture; and generate touched coordinates. Compared to the prior art, an embodiment of the present invention does not require additional fabrication of a capacitive touch panel, which simplifies manufacturing costs. In one embodiment, since there is no need to additionally stack a capacitive touch panel, the thickness of the touch screen display can be thin. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of protection of the invention is reduced after the deduction. Correction, Shuming's responsibilities: All the purposes or advantages or features revealed by the county gamma in the case or towel. Further, the 'summary section and the headings are only used to assist in the search of patent documents' and are not intended to limit the scope of the invention. [Simple description of the map]
圖1為習知液晶顯示器的驅動電路方塊圖。 圖2顯示-個習知電容式觸控面板的架構示意圖。 圖3顯示依本發明一實施例觸控勞幕顯示器的電路圖。 圖4顯示本發明—實施例之源極驅動電路'閘極驅動電 路及源極感測控制電路所提供之各種紐_關係的示音 圖。 圖5Α〜5C顯示本發明一實施例，於—開關電壓的高水 平區域内’雜_及雜_朗電路所提供 電壓間的關係的示意圖。 八 【主要元件符號說明】 液晶顯示器 100 觸控螢幕顯示器 11 時序控制器 201232369 電容器 電容器 閘極驅動電路 源極驅動電路 共通電極 顯示面板 電容式觸控裝置 電容式觸控面板 感測控制器 電容器 電容器 源極感測控制電路 閘極感測控制電路 座標計算裝置 電容數位轉換器 座標計算器 儲存電容 薄膜電晶體1 is a block diagram of a driving circuit of a conventional liquid crystal display. FIG. 2 shows a schematic diagram of a conventional capacitive touch panel. 3 is a circuit diagram showing a touch screen display according to an embodiment of the present invention. Fig. 4 is a view showing various states of the relationship between the gate driving circuit and the source sensing control circuit of the source driving circuit of the present invention. Figs. 5A to 5C are diagrams showing the relationship between the voltages supplied by the 'hetero_' and the multiplexer circuit in the high-level region of the switching voltage according to an embodiment of the present invention. VIII [Main component symbol description] LCD display 100 touch screen display 11 timing controller 201232369 capacitor capacitor gate drive circuit source drive circuit common electrode display panel capacitive touch device capacitive touch panel sensing controller capacitor capacitor source Pole sensing control circuit gate sensing control circuit coordinate calculation device capacitance digital converter coordinate calculator storage capacitor film transistor