TWI688940B - Testing circuit and testing method - Google Patents

Testing circuit and testing method Download PDF

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TWI688940B
TWI688940B TW107126753A TW107126753A TWI688940B TW I688940 B TWI688940 B TW I688940B TW 107126753 A TW107126753 A TW 107126753A TW 107126753 A TW107126753 A TW 107126753A TW I688940 B TWI688940 B TW I688940B
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control signal
driver
gate
source
control
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TW107126753A
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TW201947574A (en
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蔣曄菁
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大陸商友達光電(蘇州)有限公司
友達光電股份有限公司
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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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

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  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

A testing circuit includes a time control circuit configured to output a gate control signal and source control signal according to a testing mode control signal. When the testing mode control signal is a first mode, the time control circuit outputs the source control signal to enable a first source driver and outputs the gate control signal to enable a first gate driver to control a first part of a display panel, and outputs disable control signal to stop a second source driver and a second gate driver. When the testing mode control signal is a second mode, the time control circuit outputs the source control signal to enable the second source driver and outputs the gate control signal to enable the second gate driver to control a second part of the display panel, and outputs disable control signal to stop the first source driver and the first gate driver.

Description

檢測電路及檢測方法 Detection circuit and detection method

本揭示內容係關於一種檢測電路及檢測方法，且特別是有關於一種可用於閘極驅動電路基板(Gate On Array，GOA)顯示面板的檢測電路及檢測方法。 The present disclosure relates to a detection circuit and a detection method, and particularly relates to a detection circuit and a detection method that can be used for a gate drive circuit board (Gate On Array, GOA) display panel.

近年來，隨著顯示技術的發展，顯示面板已被應用至各式的電子裝置，例如：智慧型手機、平板電腦或各種螢幕。 In recent years, with the development of display technology, display panels have been applied to various electronic devices, such as smart phones, tablet computers, or various screens.

液晶顯示面板是利用控制電路輸出訊號以驅動液晶顯示。面板GOA電路設計常常採用閘極雙側驅動方式，以便得到更好的畫面均勻度和光學表現。在現有技術中，GOA面板採用手動插拔扁平軟性排線(FFC)或者控制轉接板的方式進行單側驅動畫面檢測。 The liquid crystal display panel uses the control circuit to output signals to drive the liquid crystal display. The GOA circuit design of the panel often adopts the gate double-sided driving method in order to obtain better picture uniformity and optical performance. In the prior art, the GOA panel is used to manually plug and unplug the flat flexible cable (FFC) or control the adapter board to perform single-side drive screen detection.

本揭示內容之一態樣係關於一種檢測電路。檢測電路包含時序控制電路。時序控制電路耦接第一源極驅動器、第二源極驅動器、第一閘極驅動器以及第二閘極驅動器，用以 根據檢測模式控制訊號以輸出閘極控制訊號及源極控制訊號。第一源極驅動器及第一閘極驅動器用以控制顯示面板之第一部分，第二源極驅動器及第二閘極驅動器用以控制顯示面板之第二部分相異於該第一部分。其中，當檢測模式控制訊號為第一模式時，時序控制電路輸出源極控制訊號致能第一源極驅動器並輸出閘極控制訊號致能第一閘極驅動器，並輸出禁能控制訊號至第二源極驅動器及第二閘極驅動器以停止第二源極驅動器及第二閘極驅動器作動。當檢測模式控制訊號為第二模式時，時序控制電路輸出源極控制訊號致能第二源極驅動器並輸出閘極控制訊號致能第二閘極驅動器，並輸出禁能控制訊號至第一源極驅動器及第一閘極驅動器以停止第一源極驅動器及第一閘極驅動器作動。 One aspect of this disclosure relates to a detection circuit. The detection circuit includes a timing control circuit. The timing control circuit is coupled to the first source driver, the second source driver, the first gate driver and the second gate driver for outputting the gate control signal and the source control signal according to the detection mode control signal. The first source driver and the first gate driver are used to control the first part of the display panel, and the second source driver and the second gate driver are used to control the second part of the display panel to be different from the first part. When the detection mode control signal is the first mode, the timing control circuit outputs the source control signal to enable the first source driver and outputs the gate control signal to enable the first gate driver, and outputs the disable control signal to the first The two source drivers and the second gate driver stop the operation of the second source driver and the second gate driver. When the detection mode control signal is the second mode, the timing control circuit outputs the source control signal to enable the second source driver and outputs the gate control signal to enable the second gate driver, and outputs the disable control signal to the first source The gate driver and the first gate driver stop the operation of the first source driver and the first gate driver.

本揭示內容之另一態樣係關於另一種檢測電路。檢測電路包含時序控制電路、第一控制模組及第二控制模組。時序控制電路用以輸出閘極控制訊號及源極控制訊號。第一控制模組耦接時序控制電路、第一源極驅動器以及第一閘極驅動器，第一源極驅動器及第一閘極驅動器用以控制顯示面板之第一部分，第一控制模組接收閘極控制訊號、源極控制訊號以及檢測模式控制訊號。第二控制模組耦接該時序控制電路、第二源極驅動器以及第二閘極驅動器，第二源極驅動器及第二閘極驅動器用以控制顯示面板之第二部分，第二控制模組接收閘極控制訊號、源極控制訊號以及檢測模式控制訊號。其中，當檢測模式控制訊號為第一模式時，第一控制模組輸出源極控制訊號致能第一源極驅動器並輸出閘極控制訊號致能第一閘極驅 動器，第二控制模組輸出禁能控制訊號至第二源極驅動器及第二閘極驅動器以停止第二源極驅動器及第二閘極驅動器作動。當檢測模式控制訊號為第二模式時，第二控制模組輸出源極控制訊號致能第二源極驅動器並輸出閘極控制訊號致能第二閘極驅動器，第一控制模組輸出禁能控制訊號至第一源極驅動器及第一閘極驅動器以停止第一源極驅動器及第一閘極驅動器作動。 Another aspect of this disclosure relates to another detection circuit. The detection circuit includes a timing control circuit, a first control module and a second control module. The timing control circuit is used to output the gate control signal and the source control signal. The first control module is coupled to the timing control circuit, the first source driver and the first gate driver, the first source driver and the first gate driver are used to control the first part of the display panel, and the first control module receives the gate Control signal, source control signal and detection mode control signal. The second control module is coupled to the timing control circuit, the second source driver and the second gate driver. The second source driver and the second gate driver are used to control the second part of the display panel. The second control module Receive gate control signal, source control signal and detection mode control signal. When the detection mode control signal is the first mode, the first control module outputs the source control signal to enable the first source driver and outputs the gate control signal to enable the first gate driver, and the second control module outputs Disable the control signal to the second source driver and the second gate driver to stop the action of the second source driver and the second gate driver. When the detection mode control signal is the second mode, the second control module outputs the source control signal to enable the second source driver and outputs the gate control signal to enable the second gate driver, and the first control module outputs disable Control signals to the first source driver and the first gate driver to stop the operation of the first source driver and the first gate driver.

本揭示內容之又一態樣係關於另一種檢測方法。檢測方法適用於檢測電路以檢測顯示裝置。檢測電路包含時序控制電路。顯示裝置包含顯示面板、第一源極驅動器、第一閘極驅動器、第二源極驅動器以及第二閘極驅動器。第一源極驅動器及第一閘極驅動器用以控制該顯示面板的第一部分，第二源極驅動器及第二閘極驅動器用以控制顯示面板的第二部分。檢測方法包含：根據檢測模式控制訊號決定檢測模式；當檢測模式為第一模式時，由時序控制電路輸出源極控制訊號及閘極控制訊號至第一源極驅動器及第一閘極驅動器，使第二源極驅動器及第二閘極驅動器停止作動；當檢測模式為第二模式時，由時序控制電路輸出源極控制訊號及閘極控制訊號至第二源極驅動器及第二閘極驅動器，使第一源極驅動器及第一閘極驅動器停止作動；以及當檢測模式為第三模式時，由時序控制電路輸出源極控制訊號至第一源極驅動器及第二源極驅動器，輸出閘極控制訊號至第一閘極驅動器及第二閘極驅動器，使得顯示面板的第一部分和第二部分整體作動。 Another aspect of the disclosure is related to another detection method. The detection method is suitable for the detection circuit to detect the display device. The detection circuit includes a timing control circuit. The display device includes a display panel, a first source driver, a first gate driver, a second source driver, and a second gate driver. The first source driver and the first gate driver are used to control the first part of the display panel, and the second source driver and the second gate driver are used to control the second part of the display panel. The detection method includes: determining the detection mode according to the detection mode control signal; when the detection mode is the first mode, the timing control circuit outputs the source control signal and the gate control signal to the first source driver and the first gate driver, so that The second source driver and the second gate driver stop operating; when the detection mode is the second mode, the timing control circuit outputs the source control signal and the gate control signal to the second source driver and the second gate driver, Stop the first source driver and the first gate driver; and when the detection mode is the third mode, the timing control circuit outputs the source control signal to the first source driver and the second source driver to output the gate The control signal is sent to the first gate driver and the second gate driver, so that the first part and the second part of the display panel operate as a whole.

綜上所述，在本揭示內容的檢測電路中，根據檢 測模式控制訊號決定驅動顯示面板的第一部分或第二部分。如此一來，即可實現GOA面板單側驅動畫面檢測。 In summary, in the detection circuit of the present disclosure, the first part or the second part of the display panel is driven according to the detection mode control signal. In this way, the single-side drive screen detection of the GOA panel can be realized.

100‧‧‧顯示面板 100‧‧‧Display panel

120L‧‧‧顯示面板之第一部分 120L‧‧‧The first part of the display panel

120R‧‧‧顯示面板之第二部分 120R‧‧‧The second part of the display panel

140L‧‧‧第一源極驅動器 140L‧‧‧First source driver

140R‧‧‧第二源極驅動器 140R‧‧‧second source driver

160L‧‧‧第一閘極驅動器 160L‧‧‧First gate driver

160R‧‧‧第二閘極驅動器 160R‧‧‧The second gate driver

200‧‧‧檢測電路 200‧‧‧ detection circuit

220‧‧‧時序控制電路 220‧‧‧sequence control circuit

240‧‧‧電壓調整器 240‧‧‧Voltage regulator

260‧‧‧電源供應電路 260‧‧‧Power supply circuit

280L‧‧‧第一控制模組 280L‧‧‧First control module

280R‧‧‧第二控制模組 280R‧‧‧second control module

CS‧‧‧檢測模式控制訊號 CS‧‧‧ Detection mode control signal

X-COF‧‧‧源極控制訊號 X-COF‧‧‧ source control signal

G-GOA‧‧‧閘極控制訊號 G-GOA‧‧‧Gate control signal

DCS‧‧‧禁能控制訊號 DCS‧‧‧Enable control signal

PVS、PVS1、PVS2‧‧‧供電電壓訊號 PVS, PVS1, PVS2 ‧‧‧ supply voltage signal

300‧‧‧檢測方法 300‧‧‧Detection method

S310~S340‧‧‧操作 S310~S340‧‧‧Operation

第1圖係依據本揭示內容之部分實施例所繪示的一種檢測電路及顯示面板的示意圖；第2A、2B圖係依據本揭示內容之其他部分實施例所繪示的一種檢測電路及顯示面板的示意圖；第3圖係依據本揭示內容之部分實施例所繪示的電壓準位訊號的示意圖；第4圖係依據本揭示內容之其他部分實施例所繪示的一種檢測電路及顯示面板的示意圖；第5圖係依據本揭示內容之其他部分實施例所繪示的一種檢測電路及顯示面板的示意圖；第6圖係依據本揭示內容之部分實施例所繪示的一種檢測方法的流程圖。 Figure 1 is a schematic diagram of a detection circuit and a display panel according to some embodiments of the present disclosure; Figures 2A and 2B are a detection circuit and a display panel according to other embodiments of the present disclosure FIG. 3 is a schematic diagram of voltage level signals according to some embodiments of the disclosure; FIG. 4 is a detection circuit and display panel according to other embodiments of the disclosure Schematic diagram; FIG. 5 is a schematic diagram of a detection circuit and a display panel according to other embodiments of the disclosure; FIG. 6 is a flowchart of a detection method according to some embodiments of the disclosure .

下文係舉實施例配合所附圖式作詳細說明，但所提供之實施例並非用以限制本揭示所涵蓋的範圍，而結構運作之描述非用以限制其執行之順序，任何由元件重新組合之結構，所產生具有均等功效的裝置，皆為本揭示所涵蓋的範圍。另外，圖式僅以說明為目的，並未依照原尺寸作圖。為使便於 理解，下述說明中相同元件或相似元件將以相同之符號標示來說明。 The following is a detailed description of the embodiments in conjunction with the accompanying drawings, but the provided embodiments are not intended to limit the scope covered by the present disclosure, and the description of structural operations is not intended to limit the order of execution, any recombination of components The structure and the resulting devices with equal effects are all covered by this disclosure. In addition, the drawings are for illustrative purposes only, and are not drawn according to the original dimensions. For ease of understanding, the same or similar elements in the following description will be denoted by the same symbols.

在全篇說明書與申請專利範圍所使用之用詞(terms)，除有特別註明外，通常具有每個用詞使用在此領域中、在此揭示之內容中與特殊內容中的平常意義。 Terms used throughout the specification and the scope of patent application, unless otherwise specified, usually have the ordinary meaning that each term is used in this field, in the content disclosed herein, and in special content.

關於本文中所使用之『第一』、『第二』、『第三』...等，並非特別指稱次序或順位的意思，亦非用以限定本揭示，其僅僅是為了區別以相同技術用語描述的元件或操作而已。 The terms "first", "second", "third", etc. used in this article do not specifically refer to order or order, nor are they intended to limit this disclosure. They are merely used to distinguish the same technology The term describes the element or operation only.

另外，關於本文中所使用之『耦接』或『連接』，均可指二或多個元件相互直接作實體或電性接觸，或是相互間接作實體或電性接觸，亦可指二或多個元件相互操作或動作。 In addition, with regard to "coupled" or "connected" used in this article, it can mean that two or more elements directly make physical or electrical contact with each other, or indirectly make physical or electrical contact with each other, or can refer to two or Multiple elements interoperate or act.

請參考第1圖。第1圖係依據本揭示內容之部分實施例所繪示的一種檢測電路200及顯示面板100的示意圖。 Please refer to Figure 1. FIG. 1 is a schematic diagram of a detection circuit 200 and a display panel 100 according to some embodiments of the present disclosure.

如第1圖所示，顯示面板100包含第一部份120L以及相異於第一部分120L之第二部分120R、第一源極驅動器140L、第二源極驅動器140R、第一閘極驅動器160L及第二閘極驅動器160R。在部分實施例中，顯示面板100可由閘極驅動電路基板(Gate On Array，GOA)液晶顯示面板實現。第一源極驅動器140L及第一閘極驅動器160L電性耦接於顯示面板之第一部分120L，並用以控制第一部分120L。第二源極驅動器140R及第二閘極驅動器160R電性耦接於顯示面板之第二部分120R，並用以控制第二部分120R。在其他部分實施例中，第一部分120L，第二部分120R可再進一步劃分為多個區域， 以實現各區分別控制。相應地，第一源極驅動器140L、第二源極驅動器140R均可再進一步進行細部劃分，以實現多區域分別控制。 As shown in FIG. 1, the display panel 100 includes a first part 120L and a second part 120R different from the first part 120L, a first source driver 140L, a second source driver 140R, a first gate driver 160L and The second gate driver 160R. In some embodiments, the display panel 100 may be implemented by a gate drive circuit substrate (Gate On Array, GOA) liquid crystal display panel. The first source driver 140L and the first gate driver 160L are electrically coupled to the first portion 120L of the display panel and used to control the first portion 120L. The second source driver 140R and the second gate driver 160R are electrically coupled to the second portion 120R of the display panel and used to control the second portion 120R. In other partial embodiments, the first part 120L and the second part 120R may be further divided into a plurality of areas, so as to realize separate control of each area. Correspondingly, both the first source driver 140L and the second source driver 140R can be further divided in detail, so as to realize multi-region separate control.

如圖中所示，結構上，檢測電路200電性耦接顯示面板100。操作上，檢測電路200用以對於顯示面板100進行畫面檢測。舉例來說，檢測電路200的全部或者其中的一部分可實現於時序控制板(T-con board)、源極控制板(Source board)或轉接板上。 As shown in the figure, structurally, the detection circuit 200 is electrically coupled to the display panel 100. In operation, the detection circuit 200 is used to perform screen detection on the display panel 100. For example, all or part of the detection circuit 200 may be implemented on a T-con board, a source control board, or an adapter board.

在部分實施例中，檢測電路200包含時序控制電路220。在其他部分實施例中，檢測電路200更包含電壓調整器240及電源供應電路260。電源供應電路260可用以對檢測電路200內的電壓調整器240提供電力，使得電壓調整器240可進行其操作。 In some embodiments, the detection circuit 200 includes a timing control circuit 220. In some other embodiments, the detection circuit 200 further includes a voltage regulator 240 and a power supply circuit 260. The power supply circuit 260 can be used to provide power to the voltage regulator 240 in the detection circuit 200 so that the voltage regulator 240 can perform its operation.

具體來說，時序控制電路220電性耦接第一源極驅動器140L及第二源極驅動器140R，且透過電壓調整器240電性耦接第一閘極驅動器160L及第二閘極驅動器160R。電源供應電路260電性耦接於電壓調整器240、第一閘極驅動器160L及第二閘極驅動器160R、第一源極驅動器140L及第二源極驅動器140R。 Specifically, the timing control circuit 220 is electrically coupled to the first source driver 140L and the second source driver 140R, and is electrically coupled to the first gate driver 160L and the second gate driver 160R through the voltage regulator 240. The power supply circuit 260 is electrically coupled to the voltage regulator 240, the first gate driver 160L and the second gate driver 160R, the first source driver 140L and the second source driver 140R.

操作上，請參考第2A、2B圖。第2A、2B圖係根據本揭示內容部分實施例所繪示的檢測電路200及顯示面板100的示意圖。檢測電路200用以根據檢測模式控制訊號CS輸出相對應的訊號驅動顯示面板100。 For operation, please refer to Figures 2A and 2B. 2A and 2B are schematic diagrams of the detection circuit 200 and the display panel 100 according to some embodiments of the present disclosure. The detection circuit 200 is used to control the signal CS to output a signal corresponding to the detection mode to drive the display panel 100.

具體而言，時序控制電路220用以接收檢測模式 控制訊號CS，並根據檢測模式控制訊號CS為第一模式、第二模式或第三模式以輸出訊號致能顯示面板相對應的部分顯示檢測畫面。 Specifically, the timing control circuit 220 is used to receive the detection mode control signal CS, and output the signal according to the detection mode control signal CS to be the first mode, the second mode, or the third mode to enable the portion corresponding to the display panel to display the detection screen .

舉例來說，如第2A圖所示，當檢測模式控制訊號CS為第一模式時，在部分實施例中，時序控制電路220用以輸出源極控制訊號X-COF致能第一源極驅動器140L，並輸出閘極控制訊號G-GOA致能第一閘極驅動器160L。其中，源極控制訊號X-COF包含源極起始訊號、數據通訊握手訊號。在其他部分實施例中，時序控制電路220更用以輸出禁能控制訊號DCS使第二源極驅動器140R及第二閘極驅動器160R停止作動。如第2A圖中所示，時序控制電路220可透過電壓調整器240分別輸出閘極控制訊號G-GOA與禁能控制訊號DCS至第一閘極驅動器160L與第二閘極驅動器160R，以下段落將針對電壓調整器240的操作進行進一步的說明。 For example, as shown in FIG. 2A, when the detection mode control signal CS is the first mode, in some embodiments, the timing control circuit 220 is used to output the source control signal X-COF to enable the first source driver 140L, and output the gate control signal G-GOA to enable the first gate driver 160L. Among them, the source control signal X-COF includes the source start signal and the data communication handshake signal. In some other embodiments, the timing control circuit 220 is further used to output the disable control signal DCS to stop the second source driver 140R and the second gate driver 160R from operating. As shown in FIG. 2A, the timing control circuit 220 can output the gate control signal G-GOA and the disable control signal DCS to the first gate driver 160L and the second gate driver 160R through the voltage regulator 240, the following paragraphs The operation of the voltage regulator 240 will be further explained.

在部分實施例中，電壓調整器240用以接收時序控制電路220輸出的閘極控制訊號G-GOA，並藉由電壓調整器240將閘極控制訊號G-GOA調整到適當的電壓準位後輸出至第一閘極驅動器160L。為方便說明起見，請一併參考第3圖。如第3圖所示，閘極控制訊號G-GOA的電壓準位於致能準位與禁能準位之間週期性切換。閘極控制訊號G-GOA包含閘極起始訊號GST、高頻控制訊號HC或下拉控制訊號LC。 In some embodiments, the voltage regulator 240 is used to receive the gate control signal G-GOA output by the timing control circuit 220, and the voltage regulator 240 adjusts the gate control signal G-GOA to an appropriate voltage level Output to the first gate driver 160L. For ease of explanation, please refer to Figure 3 as well. As shown in Figure 3, the voltage level of the gate control signal G-GOA is periodically switched between the enabled level and the disabled level. The gate control signal G-GOA includes a gate start signal GST, a high-frequency control signal HC or a pull-down control signal LC.

相似地，在部分實施例中，電壓調整器240更用以接收時序控制電路220輸出的禁能控制訊號DCS，並藉由電壓調整器240將禁能控制訊號DCS調整到適當的電位後輸出 至第二閘極驅動器160R。如第3圖所示，禁能控制訊號DCS的電壓準位處於禁能準位、可調電壓準位或浮動(floating)電壓準位。 Similarly, in some embodiments, the voltage regulator 240 is further used to receive the disable control signal DCS output by the timing control circuit 220, and the voltage regulator 240 adjusts the disable control signal DCS to an appropriate potential and outputs it to The second gate driver 160R. As shown in FIG. 3, the voltage level of the disable control signal DCS is in the disable level, the adjustable voltage level, or the floating voltage level.

換言之，依照畫面檢測需求，可調整時序控制電路220輸出的禁能控制訊號DCS的電壓準位。當電壓準位為最低電壓的禁能準位或者較低的可調電壓準位時，可有效消除在單側驅動畫面檢測時，部分GOA顯示面板會呈現水平亮暗線的問題。如此一來，便可使得畫面檢測更為便利。 In other words, the voltage level of the disable control signal DCS output by the timing control circuit 220 can be adjusted according to the needs of image detection. When the voltage level is the lowest voltage disabled level or a lower adjustable voltage level, it can effectively eliminate the problem that some GOA display panels will show horizontal bright and dark lines when detecting the single-sided driving picture. In this way, the picture detection can be more convenient.

此外，在部分實施例中，電源供應電路260用以根據檢測模式控制訊號CS輸出供電電壓訊號PVS1至第一閘極驅動器160L，以對第一閘極驅動器160L進行供電。其中，供電電壓訊號PVS1包含接地參考電壓訊號VSS及/或高壓參考電壓訊號VGHD。在其他部分實施例中，電源供應電路260用以根據檢測模式控制訊號CS輸出供電電壓訊號PVS2至第一源極驅動器140L，以對第一源極驅動器140L進行供電。 In addition, in some embodiments, the power supply circuit 260 is used to output the supply voltage signal PVS1 to the first gate driver 160L according to the detection mode control signal CS to supply power to the first gate driver 160L. The power supply voltage signal PVS1 includes a ground reference voltage signal VSS and/or a high voltage reference voltage signal VGHD. In some other embodiments, the power supply circuit 260 is used to output the supply voltage signal PVS2 to the first source driver 140L according to the detection mode control signal CS, so as to supply power to the first source driver 140L.

如此一來，當檢測模式控制訊號CS為第一模式時，接收到源極控制訊號X-COF的第一源極驅動器140L及接收到閘極控制訊號G-GOA的第一閘極驅動器160L驅動顯示面板之第一部分120L顯示檢測畫面。由第二源極驅動器140R及第二閘極驅動器160R驅動的顯示面板之第二部分120R不顯示檢測畫面。 In this way, when the detection mode control signal CS is in the first mode, the first source driver 140L receiving the source control signal X-COF and the first gate driver 160L receiving the gate control signal G-GOA drive The first part 120L of the display panel displays the detection screen. The second portion 120R of the display panel driven by the second source driver 140R and the second gate driver 160R does not display the detection screen.

另一方面，如第2B圖所示，當檢測模式控制訊號CS為第二模式時，在部分實施例中，時序控制電路220用以輸出源極控制訊號X-COF致能第二源極驅動器140R，並輸出閘 極控制訊號G-GOA致能第二閘極驅動器160R。在其他部分實施例中，時序控制電路220更用以輸出禁能控制訊號DCS使第一源極驅動器140L及第一閘極驅動器160L停止作動。在其他另一部分實施例中，電源供應電路260停止輸出供電電壓訊號至第一源極驅動器140L以及第一閘極驅動器160L。 On the other hand, as shown in FIG. 2B, when the detection mode control signal CS is the second mode, in some embodiments, the timing control circuit 220 is used to output the source control signal X-COF to enable the second source driver 140R, and output the gate control signal G-GOA to enable the second gate driver 160R. In some other embodiments, the timing control circuit 220 is further used to output the disable control signal DCS to stop the first source driver 140L and the first gate driver 160L. In another embodiment, the power supply circuit 260 stops outputting the supply voltage signal to the first source driver 140L and the first gate driver 160L.

此外，與第2A圖中的實施例相似，電壓調整器240亦可將閘極控制訊號G-GOA調整到適當的電位後輸出至第二閘極驅動器160R，並將禁能控制訊號DCS調整到適當的電位後輸出至第一閘極驅動器160L。電源供應電路260用以輸出供電電壓訊號PVS1至第二閘極驅動器160R，以進行供電。在其他部分實施例中，電源供應電路260用以輸出供電電壓訊號PVS2至第二源極驅動器140R，以對第二源極驅動器140R進行供電。細節已於以上段落敘明，在此不再贅述。 In addition, similar to the embodiment shown in FIG. 2A, the voltage regulator 240 can also adjust the gate control signal G-GOA to an appropriate potential and output it to the second gate driver 160R, and adjust the disable control signal DCS to The appropriate potential is output to the first gate driver 160L. The power supply circuit 260 is used to output a power supply voltage signal PVS1 to the second gate driver 160R for power supply. In some other embodiments, the power supply circuit 260 is used to output a power supply voltage signal PVS2 to the second source driver 140R to supply power to the second source driver 140R. The details have been stated in the above paragraphs and will not be repeated here.

如此一來，當檢測模式控制訊號CS為第二模式時，第二源極驅動器140R及第二閘極驅動器160R驅動顯示面板之第二部分120R顯示檢測畫面。由第一源極驅動器140L及第一閘極驅動器160L驅動的顯示面板之第一部分120L不顯示檢測畫面。 As such, when the detection mode control signal CS is in the second mode, the second source driver 140R and the second gate driver 160R drive the second portion 120R of the display panel to display the detection screen. The first portion 120L of the display panel driven by the first source driver 140L and the first gate driver 160L does not display the detection screen.

此外，當檢測模式控制訊號CS為第三模式時，時序控制電路220亦可同時輸出源極控制訊號X-COF致能第一源極驅動器140L、第二源極驅動器140R，並輸出閘極控制訊號G-GOA致能第一閘極驅動器160L、第二閘極驅動器160R，以驅動並控制顯示面板之第一部分120L、顯示面板之第二部分120R同時顯示檢測畫面。 In addition, when the detection mode control signal CS is the third mode, the timing control circuit 220 can also simultaneously output the source control signal X-COF to enable the first source driver 140L and the second source driver 140R, and output the gate control The signal G-GOA enables the first gate driver 160L and the second gate driver 160R to drive and control the first part 120L of the display panel and the second part 120R of the display panel to simultaneously display the detection screen.

接著，請參考第4圖。第4圖係根據本揭示內容其他部分實施例所繪示的檢測電路200及顯示面板100的示意圖。於第4圖所示實施例中，與第1圖的實施例中相似的元件係以相同的元件符號表示，其操作已於先前段落說明者，於此不再贅述。和第1圖所示實施例相比，在本實施例中，檢測電路200更包含第一控制模組280L及第二控制模組280R。 Next, please refer to Figure 4. FIG. 4 is a schematic diagram of the detection circuit 200 and the display panel 100 according to other embodiments of the disclosure. In the embodiment shown in FIG. 4, elements similar to those in the embodiment of FIG. 1 are denoted by the same element symbols, and their operations have been described in the previous paragraphs, and will not be repeated here. Compared with the embodiment shown in FIG. 1, in this embodiment, the detection circuit 200 further includes a first control module 280L and a second control module 280R.

結構上，如第4圖所示，第一控制模組280L電性耦接於時序控制電路220和第一源極驅動器140L之間，電性耦接於電壓調整器240和第一閘極驅動器160L之間，並電性耦接於電源供應電路260和第一閘極驅動器160L之間。另一方面，第二控制模組280R電性耦接於時序控制電路220和第二源極驅動器140R之間，電性耦接於電壓調整器240和第二閘極驅動器160R之間，並電性耦接於電源供應電路260和第二閘極驅動器160R之間。 Structurally, as shown in FIG. 4, the first control module 280L is electrically coupled between the timing control circuit 220 and the first source driver 140L, and is electrically coupled to the voltage regulator 240 and the first gate driver Between 160L, and electrically coupled between the power supply circuit 260 and the first gate driver 160L. On the other hand, the second control module 280R is electrically coupled between the timing control circuit 220 and the second source driver 140R, electrically coupled between the voltage regulator 240 and the second gate driver 160R, and electrically Is coupled between the power supply circuit 260 and the second gate driver 160R.

操作上，第一控制模組280L及第二控制模組280R皆用以接收檢測模式控制訊號CS，並根據檢測模式控制訊號CS決定是否輸出訊號致能顯示面板相對應的部分顯示檢測畫面。 In operation, both the first control module 280L and the second control module 280R are used to receive the detection mode control signal CS, and according to the detection mode control signal CS, determine whether to output a signal to enable the corresponding portion of the display panel to display the detection screen.

具體而言，時序控制電路220用以接收檢測模式控制訊號CS，並將檢測模式控制訊號CS輸出至第一控制模組280L及第二控制模組280R。第一控制模組280L及第二控制模組280R根據檢測模式控制訊號CS為第一模式、第二模式或第三模式以決定是否輸出訊號致能顯示面板相對應的部分顯示檢測畫面。 Specifically, the timing control circuit 220 is used to receive the detection mode control signal CS and output the detection mode control signal CS to the first control module 280L and the second control module 280R. The first control module 280L and the second control module 280R control the signal CS to be the first mode, the second mode, or the third mode according to the detection mode to determine whether to output a signal to enable the portion corresponding to the display panel to display the detection screen.

舉例來說，如第4圖所示，在部分實施例中，當檢測模式控制訊號CS為第一模式時，第一控制模組280L用以接收時序控制電路220輸出的源極控制訊號X-COF，並接收經由電壓調整器240調整到適當電壓準位的閘極控制訊號G-GOA。其中，源極控制訊號X-COF包含源極起始訊號、數據通訊握手訊號或供電電壓訊號，而閘極控制訊號G-GOA包含閘極起始訊號GST、高頻控制訊號HC或下拉控制訊號LC。如此一來，第一控制模組280L便可相應輸出源極控制訊號X-COF致能第一源極驅動器140L及輸出閘極控制訊號G-GOA致能第一閘極驅動器160L。 For example, as shown in FIG. 4, in some embodiments, when the detection mode control signal CS is the first mode, the first control module 280L is used to receive the source control signal X- output by the timing control circuit 220 The COF receives the gate control signal G-GOA adjusted to an appropriate voltage level by the voltage regulator 240. Among them, the source control signal X-COF includes the source start signal, data communication handshake signal or supply voltage signal, and the gate control signal G-GOA includes the gate start signal GST, the high frequency control signal HC or the pull-down control signal LC. In this way, the first control module 280L can correspondingly output the source control signal X-COF to enable the first source driver 140L and output the gate control signal G-GOA to enable the first gate driver 160L.

此外，在其他部分實施例中，第一控制模組280L用以接收供電電壓訊號PVS，並輸出供電電壓訊號PVS至第一源極驅動器140L及第一閘極驅動器160L，以進行供電。 In addition, in some other embodiments, the first control module 280L is used to receive the power supply voltage signal PVS and output the power supply voltage signal PVS to the first source driver 140L and the first gate driver 160L for power supply.

再者，在其他部分實施例中，第二控制模組280R用以輸出禁能控制訊號DCS使第二源極驅動器140R及第二閘極驅動器160R停止作動。此外，第二控制模組280R切斷供電電壓訊號PVS，使得第二閘極驅動器160R停止作動。 Furthermore, in some other embodiments, the second control module 280R is used to output the disable control signal DCS to stop the second source driver 140R and the second gate driver 160R from operating. In addition, the second control module 280R cuts off the power supply voltage signal PVS, so that the second gate driver 160R stops operating.

如此一來，當檢測模式控制訊號CS為第一模式時，第一控制模組280L致能第一源極驅動器140L及第一閘極驅動器160L以驅動顯示面板之第一部分120L顯示檢測畫面。第二控制模組280R透過第二源極驅動器140R及第二閘極驅動器160R驅動的顯示面板之第二部分120R不顯示檢測畫面。 In this way, when the detection mode control signal CS is in the first mode, the first control module 280L enables the first source driver 140L and the first gate driver 160L to drive the first portion 120L of the display panel to display the detection screen. The second control module 280R does not display the detection screen by the second portion 120R of the display panel driven by the second source driver 140R and the second gate driver 160R.

又舉例來說，在部分實施例中，當檢測模式控制訊號CS為第二模式時，第二控制模組280R用以接收時序控制 電路220輸出的源極控制訊號X-COF，並接收經由電壓調整器240調整到適當電壓準位的閘極控制訊號G-GOA。如此一來，第二控制模組280R便可相應輸出源極控制訊號X-COF致能第二源極驅動器140R，並輸出閘極控制訊號G-GOA致能第二閘極驅動器160R。 For another example, in some embodiments, when the detection mode control signal CS is the second mode, the second control module 280R is used to receive the source control signal X-COF output by the timing control circuit 220 and receive the pass voltage The regulator 240 adjusts the gate control signal G-GOA to an appropriate voltage level. In this way, the second control module 280R can correspondingly output the source control signal X-COF to enable the second source driver 140R, and output the gate control signal G-GOA to enable the second gate driver 160R.

此外，在其他部分實施例中，第二控制模組280R用以接收供電電壓訊號PVS，並輸出供電電壓訊號PVS至第二源極驅動器140R及第二閘極驅動器160R，以進行供電。 In addition, in other embodiments, the second control module 280R is used to receive the power supply voltage signal PVS and output the power supply voltage signal PVS to the second source driver 140R and the second gate driver 160R for power supply.

再者，在其他部分實施例中，第一控制模組280L用以輸出禁能控制訊號DCS使第一源極驅動器140L及第一閘極驅動器160L停止作動。此外，第一控制模組280L切斷供電電壓訊號PVS，使得第一閘極驅動器140L停止作動。 Furthermore, in other partial embodiments, the first control module 280L is used to output a disable control signal DCS to stop the first source driver 140L and the first gate driver 160L. In addition, the first control module 280L cuts off the power supply voltage signal PVS, so that the first gate driver 140L stops operating.

如此一來，當檢測模式控制訊號CS為第二模式時，第二控制模組280R致能第二源極驅動器140R及第二閘極驅動器160R以驅動顯示面板之第二部分120R顯示檢測畫面。第一控制模組280L透過第一源極驅動器140L及第一閘極驅動器160L驅動的顯示面板之第一部分120L不顯示檢測畫面。 As such, when the detection mode control signal CS is in the second mode, the second control module 280R enables the second source driver 140R and the second gate driver 160R to drive the second portion 120R of the display panel to display the detection screen. The first control module 280L does not display the detection screen by the first portion 120L of the display panel driven by the first source driver 140L and the first gate driver 160L.

請參考第5圖。第5圖係根據本揭示內容其他部分實施例所繪示的檢測電路200和顯示面板100的示意圖。於第5圖所示實施例中，與第1圖、第4圖的實施例中相似的元件係以相同的元件符號表示，其操作已於先前段落說明者，於此不再贅述。和第4圖所示實施例相比，在本實施例中，檢測模式控制訊號CS係由機台直接輸入至第一控制模組280L及第二控制 模組280R。如此一來，第一控制模組280L及第二控制模組280R便可分別根據檢測模式控制訊號CS，控制第一源極驅動器140L、第一閘極驅動器160L、第二源極驅動器140R及第二閘極驅動器160R，以選擇性地顯示第一部分120L或第二部分120R之檢測畫面。其餘操作與先前實施例中相似，故於此不再贅述。 Please refer to Figure 5. FIG. 5 is a schematic diagram of the detection circuit 200 and the display panel 100 according to other embodiments of the disclosure. In the embodiment shown in FIG. 5, elements similar to those in the embodiments of FIG. 1 and FIG. 4 are denoted by the same element symbols, and their operations have been described in the previous paragraphs, and will not be repeated here. Compared with the embodiment shown in FIG. 4, in this embodiment, the detection mode control signal CS is directly input from the machine to the first control module 280L and the second control module 280R. In this way, the first control module 280L and the second control module 280R can control the first source driver 140L, the first gate driver 160L, the second source driver 140R and the The two gate drivers 160R selectively display the detection screen of the first part 120L or the second part 120R. The rest of the operations are similar to those in the previous embodiment, so they will not be repeated here.

請參考第6圖。第6圖係根據本揭示內容部分實施例所繪示的檢測方法300的流程圖。為方便及清楚說明起見，下述檢測方法300是配合第1圖~第5圖所示實施例進行說明，但不以此為限，任何熟習此技藝者，在不脫離本案之精神和範圍內，當可對作各種更動與潤飾。如第6圖所示，檢測方法300包含操作S310~S340。 Please refer to Figure 6. FIG. 6 is a flowchart of a detection method 300 according to some embodiments of the present disclosure. For convenience and clarity, the following detection method 300 is described in conjunction with the embodiments shown in Figure 1 to Figure 5, but not limited to this. Anyone who is familiar with this skill will not deviate from the spirit and scope of the case Inside, you can make various changes and retouching. As shown in FIG. 6, the detection method 300 includes operations S310 to S340.

首先，在操作S310中，檢測電路200根據檢測模式控制訊號CS決定檢測模式。 First, in operation S310, the detection circuit 200 determines the detection mode according to the detection mode control signal CS.

再者，當檢測模式控制訊號CS為第一模式時，執行操作S320，由時序控制電路220輸出源極控制訊號X-COF及閘極控制訊號G-GOA至第一源極驅動器140L及第一閘極驅動器160L，使第二源極驅動器140R及第二閘極驅動器160R停止作動。 Furthermore, when the detection mode control signal CS is in the first mode, operation S320 is executed, and the timing control circuit 220 outputs the source control signal X-COF and the gate control signal G-GOA to the first source driver 140L and the first The gate driver 160L stops the second source driver 140R and the second gate driver 160R.

再者，當檢測模式控制訊號CS為第二模式時，執行操作S330，由時序控制電路220輸出源極控制訊號X-COF及閘極控制訊號G-GOA至第二源極驅動器140R及第二閘極驅動器160R，使第一源極驅動器140L及第一閘極驅動器160L停止作動。 Furthermore, when the detection mode control signal CS is in the second mode, operation S330 is executed, and the timing control circuit 220 outputs the source control signal X-COF and the gate control signal G-GOA to the second source driver 140R and the second The gate driver 160R stops the first source driver 140L and the first gate driver 160L.

再者，當檢測模式控制訊號CS為第三模式時，執行操作S340，由時序控制電路220輸出源極控制訊號X-COF至第一源極驅動器140L及第二源極驅動器140R，並輸出閘極控制訊號G-GOA至第一閘極驅動器160L及第二閘極驅動器160R。 Furthermore, when the detection mode control signal CS is in the third mode, operation S340 is executed, and the timing control circuit 220 outputs the source control signal X-COF to the first source driver 140L and the second source driver 140R, and outputs the gate. The gate control signal G-GOA reaches the first gate driver 160L and the second gate driver 160R.

所屬技術領域具有通常知識者可直接瞭解此檢測方法300如何基於上述多個不同實施例中的檢測電路200及顯示面板100以執行該等操作及功能，故不在此贅述。 Those of ordinary skill in the art can directly understand how the detection method 300 is based on the detection circuit 200 and the display panel 100 in the various embodiments described above to perform such operations and functions, so they are not described here.

綜上所述，在本揭示內容的檢測電路中，根據檢測模式控制訊號決定驅動顯示面板的第一部分或第二部分。如此一來，即可實現GOA面板單側驅動畫面檢測。 In summary, in the detection circuit of the present disclosure, the first part or the second part of the display panel is driven according to the detection mode control signal. In this way, the single-side drive screen detection of the GOA panel can be realized.

雖然本揭示已以實施方式揭示如上，然其並非用以限定本揭示，任何本領域具通常知識者，在不脫離本揭示之精神和範圍內，當可作各種之更動與潤飾，因此本揭示之保護範圍當視後附之申請專利範圍所界定者為準。 Although this disclosure has been disclosed as above by way of implementation, it is not intended to limit this disclosure. Anyone with ordinary knowledge in the art can make various changes and modifications within the spirit and scope of this disclosure, so this disclosure The scope of protection shall be deemed as defined by the scope of the attached patent application.

120L‧‧‧顯示面板之第一部分 120L‧‧‧The first part of the display panel

120R‧‧‧顯示面板之第二部分 120R‧‧‧The second part of the display panel

140L‧‧‧第一源極驅動器 140L‧‧‧First source driver

140R‧‧‧第二源極驅動器 140R‧‧‧second source driver

160L‧‧‧第一閘極驅動器 160L‧‧‧First gate driver

160R‧‧‧第二閘極驅動器 160R‧‧‧The second gate driver

220‧‧‧時序控制電路 220‧‧‧sequence control circuit

240‧‧‧電壓調整器 240‧‧‧Voltage regulator

260‧‧‧電源供應電路 260‧‧‧Power supply circuit

CS‧‧‧檢測模式控制訊號 CS‧‧‧ Detection mode control signal

X-COF‧‧‧源極控制訊號 X-COF‧‧‧ source control signal

G-GOA‧‧‧閘極控制訊號 G-GOA‧‧‧Gate control signal

DCS‧‧‧禁能控制訊號 DCS‧‧‧Enable control signal

PVS1、PVS2‧‧‧供電電壓訊號 PVS1, PVS2‧‧‧Supply voltage signal

Claims (12)

一種檢測電路，包含：一時序控制電路，耦接一第一源極驅動器、一第二源極驅動器、一第一閘極驅動器以及一第二閘極驅動器，用以根據一檢測模式控制訊號以輸出一閘極控制訊號及一源極控制訊號，該第一源極驅動器及該第一閘極驅動器用以控制一顯示面板之一第一部分，該第二源極驅動器及該第二閘極驅動器用以控制該顯示面板之一第二部分相異於該第一部分；其中，當該檢測模式控制訊號為一第一模式時，該時序控制電路輸出該源極控制訊號致能該第一源極驅動器並輸出該閘極控制訊號致能該第一閘極驅動器，並輸出一禁能控制訊號至該第二源極驅動器及該第二閘極驅動器以停止該第二源極驅動器及該第二閘極驅動器作動；當該檢測模式控制訊號為一第二模式時，該時序控制電路輸出該源極控制訊號致能該第二源極驅動器並輸出該閘極控制訊號致能該第二閘極驅動器，並輸出該禁能控制訊號至該第一源極驅動器及該第一閘極驅動器以停止該第一源極驅動器及該第一閘極驅動器作動。 A detection circuit includes: a timing control circuit coupled to a first source driver, a second source driver, a first gate driver, and a second gate driver for controlling signals according to a detection mode A gate control signal and a source control signal are output, the first source driver and the first gate driver are used to control a first part of a display panel, the second source driver and the second gate driver A second part for controlling the display panel is different from the first part; wherein, when the detection mode control signal is a first mode, the timing control circuit outputs the source control signal to enable the first source The driver outputs the gate control signal to enable the first gate driver, and outputs a disable control signal to the second source driver and the second gate driver to stop the second source driver and the second The gate driver is activated; when the detection mode control signal is a second mode, the timing control circuit outputs the source control signal to enable the second source driver and outputs the gate control signal to enable the second gate The driver outputs the disable control signal to the first source driver and the first gate driver to stop the operation of the first source driver and the first gate driver. 如請求項1所述之檢測電路，更包含：一電壓調整器，耦接於該時序控制電路與該第一閘極驅動器之間，以及耦接於該時序控制電路與該第二閘極驅動器之間，用以調整該閘極控制訊號之一電壓準位；以及一電源供應電路，耦接至該電壓調整器、該第一源極驅 動器、該第二源極驅動器、該第一閘極驅動器以及該第二閘極驅動器，用以根據該檢測模式控制訊號輸出一供電電壓訊號至該第一源極驅動器、該第二源極驅動器、該第一閘極驅動器或該第二閘極驅動器，以對該第一源極驅動器、該第二源極驅動器、該第一閘極驅動器或該第二閘極驅動器供電。 The detection circuit according to claim 1, further comprising: a voltage regulator coupled between the timing control circuit and the first gate driver, and coupled to the timing control circuit and the second gate driver To adjust a voltage level of the gate control signal; and a power supply circuit, coupled to the voltage regulator and the first source driver Actuator, the second source driver, the first gate driver and the second gate driver for outputting a supply voltage signal to the first source driver and the second source according to the detection mode control signal A driver, the first gate driver or the second gate driver to supply power to the first source driver, the second source driver, the first gate driver or the second gate driver. 如請求項2所述之檢測電路，其中該閘極控制訊號包含一閘極起始訊號、一高頻控制訊號或一下拉控制訊號，該供電電壓訊號包含一接地參考電壓訊號或一高壓參考電壓訊號，該源極控制訊號包含一源極起始訊號或一數據通訊握手訊號。 The detection circuit according to claim 2, wherein the gate control signal includes a gate start signal, a high frequency control signal or a pull-down control signal, and the power supply voltage signal includes a ground reference voltage signal or a high voltage reference voltage Signal, the source control signal includes a source start signal or a data communication handshake signal. 如請求項1所述之檢測電路，其中該閘極控制訊號的一電壓準位於一致能準位與一禁能準位之間週期性切換，該禁能控制訊號的一電壓準位處於該禁能準位、一可調電壓準位或一浮動電壓準位。 The detection circuit according to claim 1, wherein a voltage level of the gate control signal is periodically switched between a uniform energy level and a disabled level, and a voltage level of the disabled control signal is at the disabled level Able to level, an adjustable voltage level or a floating voltage level. 如請求項1所述之檢測電路，當該檢測模式控制訊號為一第三模式時，該時序控制電路輸出該源極控制訊號至該第一源極驅動器及該第二源極驅動器，並將該閘極控制訊號輸出至該第一閘極驅動器及該第二閘極驅動器。 According to the detection circuit of claim 1, when the detection mode control signal is a third mode, the timing control circuit outputs the source control signal to the first source driver and the second source driver, and The gate control signal is output to the first gate driver and the second gate driver. 一種檢測電路，包含：一時序控制電路，用以輸出一閘極控制訊號及一源極控 制訊號；一第一控制模組，耦接該時序控制電路、一第一源極驅動器以及一第一閘極驅動器，該第一源極驅動器及該第一閘極驅動器用以控制一顯示面板之一第一部分，該第一控制模組接收該閘極控制訊號、該源極控制訊號以及一檢測模式控制訊號；以及一第二控制模組，耦接該時序控制電路、一第二源極驅動器以及一第二閘極驅動器，該第二源極驅動器及該第二閘極驅動器用以控制該顯示面板之一第二部分，該第二控制模組接收該閘極控制訊號、該源極控制訊號以及該檢測模式控制訊號；其中，當該檢測模式控制訊號為一第一模式時，該第一控制模組輸出該源極控制訊號致能該第一源極驅動器並輸出該閘極控制訊號致能該第一閘極驅動器，該第二控制模組輸出一禁能控制訊號至該第二源極驅動器及該第二閘極驅動器以停止該第二源極驅動器及該第二閘極驅動器作動，當該檢測模式控制訊號為一第二模式時，該第二控制模組輸出該源極控制訊號致能該第二源極驅動器並輸出該閘極控制訊號致能該第二閘極驅動器，該第一控制模組輸出該禁能控制訊號至該第一源極驅動器及該第一閘極驅動器以停止該第一源極驅動器及該第一閘極驅動器作動。 A detection circuit includes: a timing control circuit for outputting a gate control signal and a source control Signal; a first control module, coupled to the timing control circuit, a first source driver and a first gate driver, the first source driver and the first gate driver are used to control a display panel A first part, the first control module receives the gate control signal, the source control signal and a detection mode control signal; and a second control module coupled to the timing control circuit and a second source A driver and a second gate driver, the second source driver and the second gate driver are used to control a second part of the display panel, the second control module receives the gate control signal, the source Control signal and the detection mode control signal; wherein, when the detection mode control signal is a first mode, the first control module outputs the source control signal to enable the first source driver and output the gate control The signal enables the first gate driver, and the second control module outputs a disable control signal to the second source driver and the second gate driver to stop the second source driver and the second gate driver The driver operates, when the detection mode control signal is a second mode, the second control module outputs the source control signal to enable the second source driver and outputs the gate control signal to enable the second gate For the driver, the first control module outputs the disable control signal to the first source driver and the first gate driver to stop the operation of the first source driver and the first gate driver. 如請求項6所述之檢測電路，更包含：一電壓調整器，耦接於該時序控制電路與該第一控制模 組之間，以及耦接於該時序控制電路與該第二控制模組之間，用以調整該閘極控制訊號之一電壓準位；以及一電源供應電路，耦接至該電壓調整器、該第一控制模組以及該第二控制模組，用以根據該檢測模式控制訊號輸出一供電電壓訊號至該第一控制模組或該第二控制模組。 The detection circuit according to claim 6, further comprising: a voltage regulator coupled to the timing control circuit and the first control mode Between groups and coupled between the timing control circuit and the second control module to adjust a voltage level of the gate control signal; and a power supply circuit coupled to the voltage regulator, The first control module and the second control module are used to output a supply voltage signal to the first control module or the second control module according to the detection mode control signal. 如請求項7所述之檢測電路，其中該閘極控制訊號包含一閘極起始訊號、一高頻控制訊號或一下拉控制訊號，該供電電壓訊號包含一接地參考電壓或一高壓參考電壓訊號，該源極控制訊號包含一源極起始訊號、一數據通訊握手訊號或一供電電壓訊號。 The detection circuit according to claim 7, wherein the gate control signal includes a gate start signal, a high frequency control signal or a pull-down control signal, and the power supply voltage signal includes a ground reference voltage or a high voltage reference voltage signal The source control signal includes a source start signal, a data communication handshake signal or a power supply voltage signal. 如請求項6所述之檢測電路，其中該閘極控制訊號的一電壓準位於一致能準位與一禁能準位之間週期性切換，該禁能控制訊號的一電壓準位處於該禁能準位、一可調電壓準位或一浮動電壓準位。 The detection circuit according to claim 6, wherein a voltage level of the gate control signal is periodically switched between a uniform energy level and a disabled level, and a voltage level of the disabled control signal is at the disabled level Able to level, an adjustable voltage level or a floating voltage level. 如請求項6所述之檢測電路，其中該時序控制電路輸出該檢測模式控制訊號至該第一控制模組或該第二控制模組。 The detection circuit according to claim 6, wherein the timing control circuit outputs the detection mode control signal to the first control module or the second control module. 如請求項6所述之檢測電路，當該檢測模式控制訊號為一第三模式時，該第一控制模組將該源極控制訊號輸出至該第一源極驅動器，該第一控制模組輸出該閘極 控制訊號至該第一閘極驅動器，該第二控制模組將該源極控制訊號輸出至該第二源極驅動器，該第二控制模組將該閘極控制訊號輸出至該第二閘極驅動器。 According to the detection circuit of claim 6, when the detection mode control signal is a third mode, the first control module outputs the source control signal to the first source driver, the first control module Output the gate Control signal to the first gate driver, the second control module outputs the source control signal to the second source driver, the second control module outputs the gate control signal to the second gate driver. 一種檢測方法，適用於一檢測電路以檢測一顯示面板，該檢測電路包含一時序控制電路，該顯示面板包含一第一部份、一第二部分、一第一源極驅動器、一第一閘極驅動器、一第二源極驅動器以及一第二閘極驅動器，該第一源極驅動器及該第一閘極驅動器用以控制該第一部分，該第二源極驅動器及該第二閘極驅動器用以控制該第二部分，該檢測方法包含：根據一檢測模式控制訊號決定一檢測模式；當該檢測模式為一第一模式時，由該時序控制電路輸出一源極控制訊號及一閘極控制訊號至該第一源極驅動器及該第一閘極驅動器，使該第二源極驅動器及該第二閘極驅動器停止作動；當該檢測模式為一第二模式時，由該時序控制電路輸出該源極控制訊號及該閘極控制訊號至該第二源極驅動器及該第二閘極驅動器，使該第一源極驅動器及該第一閘極驅動器停止作動；以及當該檢測模式為一第三模式時，由該時序控制電路輸出該源極控制訊號至該第一源極驅動器及該第二源極驅動器，輸出該閘極控制訊號至該第一閘極驅動器及該第二閘極驅動器。 A detection method is suitable for a detection circuit to detect a display panel. The detection circuit includes a timing control circuit. The display panel includes a first part, a second part, a first source driver, and a first gate Gate driver, a second source driver and a second gate driver, the first source driver and the first gate driver are used to control the first part, the second source driver and the second gate driver To control the second part, the detection method includes: determining a detection mode according to a detection mode control signal; when the detection mode is a first mode, the timing control circuit outputs a source control signal and a gate Control signals to the first source driver and the first gate driver to stop the second source driver and the second gate driver; when the detection mode is a second mode, the timing control circuit Output the source control signal and the gate control signal to the second source driver and the second gate driver to stop the operation of the first source driver and the first gate driver; and when the detection mode is In a third mode, the timing control circuit outputs the source control signal to the first source driver and the second source driver, and outputs the gate control signal to the first gate driver and the second gate Pole driver.
TW107126753A 2018-05-17 2018-08-01 Testing circuit and testing method TWI688940B (en)

Applications Claiming Priority (2)

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