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TWI667647B - Display device - Google Patents

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Publication number
TWI667647B
TWI667647B TW107125752A TW107125752A TWI667647B TW I667647 B TWI667647 B TW I667647B TW 107125752 A TW107125752 A TW 107125752A TW 107125752 A TW107125752 A TW 107125752A TW I667647 B TWI667647 B TW I667647B
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Taiwan
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program
display device
driving circuit
security
verification
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TW107125752A
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Chinese (zh)
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TW202008343A (en
Inventor
樊磊
徐東
李坤
張晉芳
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大陸商北京集創北方科技股份有限公司
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Priority to TW107125752A priority Critical patent/TWI667647B/en
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Publication of TW202008343A publication Critical patent/TW202008343A/en

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Abstract

一種顯示裝置,當其在執行一畫面顯示程序時,其一時序控制器會配合畫面顯示時機啟動一掃描程序,以使一閘極驅動電路按照一定次序驅動對應的畫素開關,及一源極驅動電路會將各畫素電壓資料轉換成對應的畫素電壓以驅動一TFT液晶顯示面板的各畫素電容,從而使該TFT液晶顯示面板提供一顯示畫面,其特徵在於:所述顯示裝置在執行所述畫面顯示程序之前,會先利用一安全元件執行一安全驗證程序,若該安全驗證程序的驗證結果為成功,則執行所述畫面顯示程序,若該安全驗證程序的驗證結果為失敗,則不執行所述畫面顯示程序。A display device, when it executes a picture display program, a timing controller starts a scan program in cooperation with the picture display timing, so that a gate driving circuit drives a corresponding pixel switch in a certain order, and a source electrode. The driving circuit converts each pixel voltage data into a corresponding pixel voltage to drive each pixel capacitance of a TFT liquid crystal display panel, so that the TFT liquid crystal display panel provides a display screen, which is characterized in that the display device is Before executing the screen display program, a security element is used to execute a security verification program. If the verification result of the security verification program is successful, the screen display program is executed. If the verification result of the security verification program is failed, The screen display program is not executed.

Description

一種顯示裝置Display device

本發明係關於一種顯示裝置,特別是關於一種可提高資料傳輸安全性的顯示裝置。The present invention relates to a display device, and more particularly to a display device capable of improving data transmission security.

現今的電視、筆記型電腦或顯示器所採用的大尺寸液晶顯示面板,其驅動時序主要係由一時序控制器決定。請參照圖1,其為一習知液晶顯示模組的系統方塊圖。如圖1所示,該習知液晶顯示模組具有一TFT液晶顯示面板10、一閘極驅動電路20、一源極驅動電路30、一時序控制器40及一Γ校正參考電壓單元50。於操作時,時序控制器40會配合畫面顯示時機啟動掃描,以使閘極驅動電路20按照一定次序對複數條掃描線輸出適當開關電壓以驅動對應的畫素開關,並使介面輸入視訊訊號經由序列化處理轉換為源極驅動電路30所需的格式的畫素電壓資料,及使源極驅動電路30配合各開啟的畫素開關,利用Γ校正參考電壓單元50所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓以驅動TFT液晶顯示面板10的各畫素電容,從而使TFT液晶顯示面板10提供一顯示畫面。The driving timing of a large-size LCD panel used in today's televisions, notebook computers or displays is mainly determined by a timing controller. Please refer to FIG. 1, which is a system block diagram of a conventional liquid crystal display module. As shown in FIG. 1, the conventional liquid crystal display module has a TFT liquid crystal display panel 10, a gate driving circuit 20, a source driving circuit 30, a timing controller 40 and a Γ correction reference voltage unit 50. During operation, the timing controller 40 starts scanning in accordance with the screen display timing, so that the gate driving circuit 20 outputs appropriate switching voltages to the plurality of scanning lines in a certain order to drive the corresponding pixel switches, and allows the interface input video signal to pass through The serialization process converts the pixel voltage data into the format required by the source driving circuit 30, and makes the source driving circuit 30 cooperate with each of the turned-on pixel switches to use the Γ correction reference voltage provided by the Γ correction reference voltage unit 50 to Each pixel voltage data is converted into a corresponding pixel voltage to drive each pixel capacitor of the TFT liquid crystal display panel 10, so that the TFT liquid crystal display panel 10 provides a display picture.

然而,一般而言,現有的液晶顯示模組均缺少安全管理單元以及有效的安全認證機制,因此,對資訊處理系統而言,現有的液晶顯示模組可能會對資料傳輸的安全性造成問題。However, in general, the existing liquid crystal display modules lack a security management unit and an effective security authentication mechanism. Therefore, for information processing systems, the existing liquid crystal display modules may cause problems in the security of data transmission.

為解決上述問題,本領域亟需一新穎的顯示裝置。To solve the above problems, a new display device is urgently needed in the art.

本發明之一目的在於提供一種具有安全認證功能的顯示裝置,以確保資訊處理系統的資訊安全。An object of the present invention is to provide a display device with a security authentication function to ensure information security of an information processing system.

本發明之另一目的在於揭露一種顯示裝置,其可藉由在內部設置一安全元件以確保資訊處理系統的資訊安全。Another object of the present invention is to disclose a display device capable of ensuring information security of an information processing system by providing a security element inside.

本發明之又一目的在於揭露一種顯示裝置,其可藉由在內部設置具有一固定驗證碼或一時變驗證碼的安全元件以確保資訊處理系統的資訊安全。Another object of the present invention is to disclose a display device, which can secure the information of the information processing system by setting a security element with a fixed verification code or a time-varying verification code inside.

為達前述目的,一種顯示裝置乃被提出,其具有:一TFT液晶顯示面板、一閘極驅動電路、一源極驅動電路、一時序控制器、一Γ校正參考電壓單元及一圖形處理器,其中,當所述顯示裝置在執行一畫面顯示程序時,該時序控制器會配合畫面顯示時機啟動一掃描程序,以使該閘極驅動電路按照一定次序驅動對應的畫素開關,及使該源極驅動電路利用該Γ校正參考電壓單元所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓以驅動該TFT液晶顯示面板的各畫素電容,從而使該TFT液晶顯示面板提供一顯示畫面,其特徵在於:To achieve the foregoing object, a display device has been proposed, which includes: a TFT liquid crystal display panel, a gate driving circuit, a source driving circuit, a timing controller, a Γ correction reference voltage unit, and a graphics processor. Wherein, when the display device executes a screen display program, the timing controller starts a scan program in cooperation with the screen display timing, so that the gate driving circuit drives the corresponding pixel switches in a certain order, and causes the source The pole driving circuit uses the Γ correction reference voltage provided by the Γ correction reference voltage unit to convert each pixel voltage data into a corresponding pixel voltage to drive each pixel capacitance of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel Provide a display screen, which is characterized by:

所述顯示裝置在執行所述畫面顯示程序之前,會先利用一安全元件執行一安全驗證程序,若該安全驗證程序的驗證結果為成功,則執行所述畫面顯示程序,若該安全驗證程序的驗證結果為失敗,則不執行所述畫面顯示程序。Before executing the screen display program, the display device executes a security verification program by using a secure element. If the verification result of the security verification program is successful, the display device executes the screen display program. If the verification result fails, the screen display program is not executed.

在一實施例中,安全元件具有一驗證碼或密碼,且該驗證碼或密碼為一固定碼或一時變碼。In one embodiment, the security element has a verification code or password, and the verification code or password is a fixed code or a time-varying code.

在一實施例中,該安全元件係位於該圖形處理器內。In one embodiment, the secure element is located in the graphics processor.

在一實施例中,該安全元件係位於該時序控制器內。In one embodiment, the security element is located in the timing controller.

在一實施例中,該安全元件係位於該閘極驅動電路內。In one embodiment, the safety element is located in the gate driving circuit.

在一實施例中,該安全元件係位於該源極驅動電路內。In one embodiment, the safety element is located in the source driving circuit.

為使 貴審查委員能進一步瞭解本發明之結構、特徵及其目的,茲附以圖式及較佳具體實施例之詳細說明如後。In order to enable your reviewers to further understand the structure, characteristics, and purpose of the present invention, drawings and detailed descriptions of the preferred embodiments are attached below.

請參照圖2,其為本發明之顯示裝置之一實施例方塊圖。如圖2所示,一顯示裝置具有一TFT液晶顯示面板100、一閘極驅動電路110、一源極驅動電路120、一時序控制器130、一Γ校正參考電壓單元140及一圖形處理器150,其中圖形處理器150具有一安全元件151。Please refer to FIG. 2, which is a block diagram of an embodiment of a display device of the present invention. As shown in FIG. 2, a display device includes a TFT liquid crystal display panel 100, a gate driving circuit 110, a source driving circuit 120, a timing controller 130, a Γ correction reference voltage unit 140, and a graphics processor 150. The graphics processor 150 has a security element 151.

於操作時,該顯示裝置在顯示一畫面之前,會先利用圖形處理器150的安全元件151執行一安全驗證程序,並在該安全驗證程序的驗證結果為成功後驅動時序控制器130以執行一畫面顯示程序,其中,安全元件151具有一驗證碼或密碼,且該驗證碼或密碼可為一固定碼或一時變碼。在執行所述的畫面顯示程序時,時序控制器130會配合畫面顯示時機啟動一掃描程序,以使閘極驅動電路110按照一定次序對複數條掃描線輸出適當開關電壓以驅動對應的畫素開關,及使源極驅動電路120利用Γ校正參考電壓單元140所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓,並配合各開啟的畫素開關,以所述的畫素電壓驅動該TFT液晶顯示面板的各畫素電容,從而使TFT液晶顯示面板100提供一顯示畫面。During operation, before displaying a screen, the display device first executes a security verification procedure using the security element 151 of the graphics processor 150, and drives the timing controller 130 to execute a security verification procedure after the verification result of the security verification procedure is successful. The screen display program, wherein the secure element 151 has a verification code or password, and the verification code or password can be a fixed code or a time-varying code. When the screen display program is executed, the timing controller 130 starts a scanning program in accordance with the screen display timing, so that the gate driving circuit 110 outputs appropriate switching voltages to the plurality of scanning lines in a certain order to drive the corresponding pixel switches. And cause the source driving circuit 120 to use the Γ correction reference voltage provided by the Γ correction reference voltage unit 140 to convert each pixel voltage data into a corresponding pixel voltage, and cooperate with each of the turned-on pixel switches to use the picture described above. The pixel voltage drives each pixel capacitor of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel 100 provides a display picture.

另外,在一可能的實施例中,該顯示裝置可設定一撤銷機制,以在該安全驗證程序的失敗次數到達一預定次數時,撤銷該驗證碼或密碼,以避免駭客破解該驗證碼或密碼。In addition, in a possible embodiment, the display device may set a revocation mechanism to revoke the verification code or password when the number of failures of the security verification procedure reaches a predetermined number, so as to prevent a hacker from cracking the verification code or password.

另外在一可能的實施例中,該顯示裝置可具有二種處理模式,其中一種是普通模式,另一種是安全顧慮模式。當該顯示裝置工作在所述普通模式下時,不執行所述的安全驗證程序;以及當該顯示裝置工作在所述安全顧慮模式下時,執行所述的安全驗證程序。In addition, in a possible embodiment, the display device may have two processing modes, one of which is a normal mode and the other is a security concern mode. When the display device works in the normal mode, the security verification program is not executed; and when the display device works in the security concern mode, the security verification program is executed.

請參照圖3,其為本發明之顯示裝置之另一實施例方塊圖。如圖3所示,一顯示裝置具有一TFT液晶顯示面板200、一閘極驅動電路210、一源極驅動電路220、一時序控制器230、一Γ校正參考電壓單元240及一圖形處理器250,其中時序控制器230具有一安全元件231。Please refer to FIG. 3, which is a block diagram of another embodiment of a display device of the present invention. As shown in FIG. 3, a display device has a TFT liquid crystal display panel 200, a gate driving circuit 210, a source driving circuit 220, a timing controller 230, a Γ correction reference voltage unit 240, and a graphics processor 250. The timing controller 230 has a security element 231.

於操作時,該顯示裝置在顯示一畫面之前,會先利用時序控制器230之安全元件231執行一安全驗證程序,並在該安全驗證程序的驗證結果為成功後執行一畫面顯示程序,其中,安全元件231具有一驗證碼或密碼,且該驗證碼或密碼可為一固定碼或一時變碼。在執行所述的畫面顯示程序時,時序控制器230會配合畫面顯示時機啟動一掃描程序,以使閘極驅動電路210按照一定次序對複數條掃描線輸出適當開關電壓以驅動對應的畫素開關,及使源極驅動電路220利用Γ校正參考電壓單元240所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓,並配合各開啟的畫素開關,以所述的畫素電壓驅動該TFT液晶顯示面板的各畫素電容,從而使TFT液晶顯示面板200提供一顯示畫面。During operation, before the display device displays a screen, the display device first executes a security verification procedure using the security element 231 of the timing controller 230, and executes a screen display procedure after the verification result of the security verification procedure is successful. Among them, The security element 231 has a verification code or password, and the verification code or password can be a fixed code or a time-varying code. When the screen display program is executed, the timing controller 230 starts a scanning program in accordance with the screen display timing, so that the gate driving circuit 210 outputs appropriate switching voltages to the plurality of scanning lines in a certain order to drive the corresponding pixel switches. And cause the source driving circuit 220 to use the Γ correction reference voltage provided by the Γ correction reference voltage unit 240 to convert each pixel voltage data into a corresponding pixel voltage, and cooperate with each of the turned-on pixel switches to use the picture described above. The pixel voltage drives each pixel capacitor of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel 200 provides a display picture.

另外,在一可能的實施例中,該顯示裝置可設定一撤銷機制,以在該安全驗證程序的失敗次數到達一預定次數時,撤銷該驗證碼或密碼,以避免駭客破解該驗證碼或密碼。In addition, in a possible embodiment, the display device may set a revocation mechanism to revoke the verification code or password when the number of failures of the security verification procedure reaches a predetermined number, so as to prevent a hacker from cracking the verification code or password.

另外在一可能的實施例中,該顯示裝置可具有二種處理模式,其中一種是普通模式,另一種是安全顧慮模式。當該顯示裝置工作在所述普通模式下時,不執行所述的安全驗證程序,而當該顯示裝置工作在所述安全顧慮模式下時,執行所述的安全驗證程序。In addition, in a possible embodiment, the display device may have two processing modes, one of which is a normal mode and the other is a security concern mode. When the display device works in the normal mode, the security verification program is not executed, and when the display device works in the security concern mode, the security verification program is executed.

請參照圖4,其為本發明之顯示裝置之另一實施例方塊圖。如圖4所示,一顯示裝置具有一TFT液晶顯示面板300、一閘極驅動電路310、一源極驅動電路320、一時序控制器330、一Γ校正參考電壓單元340及一圖形處理器350,其中閘極驅動電路310具有一安全元件311。Please refer to FIG. 4, which is a block diagram of another embodiment of a display device of the present invention. As shown in FIG. 4, a display device has a TFT liquid crystal display panel 300, a gate driving circuit 310, a source driving circuit 320, a timing controller 330, a Γ correction reference voltage unit 340, and a graphics processor 350. The gate driving circuit 310 has a security element 311.

於操作時,該顯示裝置在顯示一畫面之前,會先利用閘極驅動電路310的安全元件311執行一安全驗證程序,並在該安全驗證程序的驗證結果為成功後執行一畫面顯示程序,其中,安全元件311具有一驗證碼或密碼,且該驗證碼或密碼可為一固定碼或一時變碼。在執行所述的畫面顯示程序時,時序控制器330會配合畫面顯示時機啟動一掃描程序,以使閘極驅動電路310按照一定次序對複數條掃描線輸出適當開關電壓以驅動對應的畫素開關,及使源極驅動電路320利用Γ校正參考電壓單元340所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓,並配合各開啟的畫素開關,以所述的畫素電壓驅動該TFT液晶顯示面板的各畫素電容,從而使TFT液晶顯示面板300提供一顯示畫面。During operation, before the display device displays a screen, the display device first executes a security verification procedure using the security element 311 of the gate driving circuit 310, and executes a screen display procedure after the verification result of the security verification procedure is successful, wherein The security element 311 has a verification code or password, and the verification code or password can be a fixed code or a time-varying code. When the screen display program is executed, the timing controller 330 starts a scanning program in accordance with the screen display timing, so that the gate driving circuit 310 outputs appropriate switching voltages to a plurality of scanning lines in a certain order to drive the corresponding pixel switches. And cause the source driving circuit 320 to use the Γ correction reference voltage provided by the Γ correction reference voltage unit 340 to convert each pixel voltage data into a corresponding pixel voltage, and cooperate with each of the turned-on pixel switches to use the picture described above. The pixel voltage drives each pixel capacitor of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel 300 provides a display picture.

另外,在一可能的實施例中,該顯示裝置可設定一撤銷機制,以在該安全驗證程序的失敗次數到達一預定次數時,撤銷該驗證碼或密碼,以避免駭客破解該驗證碼或密碼。In addition, in a possible embodiment, the display device may set a revocation mechanism to revoke the verification code or password when the number of failures of the security verification procedure reaches a predetermined number, so as to prevent a hacker from cracking the verification code or password.

另外在一可能的實施例中,該顯示裝置可具有二種處理模式,其中一種是普通模式,另一種是安全顧慮模式。當該顯示裝置工作在所述普通模式下時,不執行所述的安全驗證程序,而當該顯示裝置工作在所述安全顧慮模式下時執行所述的安全驗證程序。In addition, in a possible embodiment, the display device may have two processing modes, one of which is a normal mode and the other is a security concern mode. When the display device works in the normal mode, the security verification program is not executed, and when the display device works in the security concern mode, the security verification program is executed.

請參照圖5,其為本發明之顯示裝置之又一實施例方塊圖。如圖5所示,一顯示裝置具有一TFT液晶顯示面板400、一閘極驅動電路410、一源極驅動電路420、一時序控制器430、一Γ校正參考電壓單元440及一圖形處理器450,其中源極驅動電路420具有一安全元件421。Please refer to FIG. 5, which is a block diagram of another embodiment of a display device of the present invention. As shown in FIG. 5, a display device has a TFT liquid crystal display panel 400, a gate driving circuit 410, a source driving circuit 420, a timing controller 430, a Γ correction reference voltage unit 440, and a graphics processor 450. The source driving circuit 420 has a security element 421.

於操作時,該顯示裝置在顯示一畫面之前,會先利用源極驅動電路420的安全元件421執行一安全驗證程序,並在該安全驗證程序的驗證結果為成功後執行一畫面顯示程序,其中,安全元件421具有一驗證碼或密碼,且該驗證碼或密碼可為一固定碼或一時變碼。在執行所述的畫面顯示程序時,時序控制器430會配合畫面顯示時機啟動一掃描程序,以使閘極驅動電路410按照一定次序對複數條掃描線輸出適當開關電壓以驅動對應的畫素開關,及使源極驅動電路420利用Γ校正參考電壓單元440所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓,並配合各開啟的畫素開關,以所述的畫素電壓驅動該TFT液晶顯示面板的各畫素電容,從而使TFT液晶顯示面板400提供一顯示畫面。In operation, before displaying a screen, the display device first executes a security verification procedure using the security element 421 of the source driving circuit 420, and executes a screen display procedure after the verification result of the security verification procedure is successful, wherein The security element 421 has a verification code or password, and the verification code or password can be a fixed code or a time-varying code. When the screen display program is executed, the timing controller 430 starts a scanning program in accordance with the screen display timing, so that the gate driving circuit 410 outputs appropriate switching voltages to the plurality of scanning lines in a certain order to drive the corresponding pixel switches. And cause the source driving circuit 420 to use the Γ correction reference voltage provided by the Γ correction reference voltage unit 440 to convert each pixel voltage data into a corresponding pixel voltage, and cooperate with each of the turned-on pixel switches to use the picture The pixel voltage drives each pixel capacitor of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel 400 provides a display picture.

另外,在一可能的實施例中,該顯示裝置可設定一撤銷機制,以在該安全驗證程序的失敗次數到達一預定次數時,撤銷該驗證碼或密碼,以避免駭客破解該驗證碼或密碼。In addition, in a possible embodiment, the display device may set a revocation mechanism to revoke the verification code or password when the number of failures of the security verification procedure reaches a predetermined number, so as to prevent a hacker from cracking the verification code or password.

另外在一可能的實施例中,該顯示裝置可具有二種處理模式,其中一種是普通模式,另一種是安全顧慮模式。當該顯示裝置工作在所述普通模式下時,不執行所述的安全驗證程序,而當該顯示裝置工作在所述安全顧慮模式下時執行所述的安全驗證程序。In addition, in a possible embodiment, the display device may have two processing modes, one of which is a normal mode and the other is a security concern mode. When the display device works in the normal mode, the security verification program is not executed, and when the display device works in the security concern mode, the security verification program is executed.

藉由前述所揭露的設計,本發明乃可提供以下優點:With the design disclosed above, the present invention can provide the following advantages:

1.本發明的顯示裝置具有安全認證功能,因此可進一步確保資訊處理系統的資訊安全。1. The display device of the present invention has a security authentication function, so the information security of the information processing system can be further ensured.

2.本發明的顯示裝置可藉由內部所設置的一安全元件確保資訊處理系統的資訊安全。2. The display device of the present invention can ensure the information security of the information processing system through a security element provided inside.

3. 本發明的顯示裝置可藉由內部所設置的一固定驗證碼或一時變驗證碼確保資訊處理系統的資訊安全。3. The display device of the present invention can ensure the information security of the information processing system by using a fixed verification code or a time-varying verification code set inside.

本案所揭示者,乃較佳實施例,舉凡局部之變更或修飾而源於本案之技術思想而為熟習該項技藝之人所易於推知者,俱不脫本案之專利權範疇。What is disclosed in this case is a preferred embodiment. For example, those who have partial changes or modifications that are derived from the technical ideas of this case and are easily inferred by those skilled in the art, do not depart from the scope of patent rights in this case.

綜上所陳,本案無論就目的、手段與功效,在在顯示其迥異於習知之技術特徵,且其首先發明合於實用,亦在在成功發明之專利要件,懇請 貴審查委員明察,並祈早日賜予專利,俾嘉惠社會,實感德便。To sum up, regardless of the purpose, means and effect, this case is showing its technical characteristics that are quite different from the conventional ones. The first invention is practical, and it is also in the patent elements of successful inventions. Granting patents at an early date will benefit society and feel good.

10、100、200、300、400‧‧‧TFT液晶顯示面板10, 100, 200, 300, 400‧‧‧TFT LCD panel

20、110、210、310、410‧‧‧閘極驅動電路20, 110, 210, 310, 410‧‧‧Gate driving circuit

30、120、220、320、420‧‧‧源極驅動電路30, 120, 220, 320, 420‧‧‧ source drive circuits

40、130、230、330、430‧‧‧時序控制器40, 130, 230, 330, 430‧‧‧ timing controllers

50、140、240、340、440‧‧‧Γ校正參考電壓單元50, 140, 240, 340, 440‧‧‧Γ correction reference voltage unit

150、250、350、450‧‧‧圖形處理器150, 250, 350, 450‧‧‧ graphics processors

151、231、311、421‧‧‧安全元件151, 231, 311, 421‧‧‧ safety elements

圖1為一習知液晶顯示模組的系統方塊圖。 圖2為本發明之顯示裝置之一實施例方塊圖。 圖3為本發明之顯示裝置之另一實施例方塊圖。 圖4為本發明之顯示裝置之另一實施例方塊圖。 圖5為本發明之顯示裝置之又一實施例方塊圖。FIG. 1 is a system block diagram of a conventional liquid crystal display module. FIG. 2 is a block diagram of an embodiment of a display device of the present invention. FIG. 3 is a block diagram of another embodiment of a display device according to the present invention. FIG. 4 is a block diagram of another embodiment of a display device of the present invention. FIG. 5 is a block diagram of another embodiment of a display device of the present invention.

Claims (2)

一種顯示裝置,其具有一TFT液晶顯示面板、一閘極驅動電路、一源極驅動電路、一時序控制器、一Γ校正參考電壓單元及一圖形處理器,其中,當所述顯示裝置在執行一畫面顯示程序時,該時序控制器會配合畫面顯示時機啟動一掃描程序,以使該閘極驅動電路按照一定次序驅動對應的畫素開關,及使該源極驅動電路利用該Γ校正參考電壓單元所提供的Γ校正參考電壓將各畫素電壓資料轉換成對應的畫素電壓以驅動該TFT液晶顯示面板的各畫素電容,從而使該TFT液晶顯示面板提供一顯示畫面,其特徵在於:所述顯示裝置在執行所述畫面顯示程序之前,會先利用一安全元件執行一安全驗證程序,若該安全驗證程序的驗證結果為成功,則執行所述畫面顯示程序,若該安全驗證程序的驗證結果為失敗,則不執行所述畫面顯示程序;其中該安全元件係位於一電路單元內,且該電路單元係由該圖形處理器、該時序控制器、該閘極驅動電路和該源極驅動電路所組成之一群組所選擇的一種電路單元。A display device includes a TFT liquid crystal display panel, a gate driving circuit, a source driving circuit, a timing controller, a Γ correction reference voltage unit, and a graphics processor. When the display device is executing When a program is displayed on the screen, the timing controller starts a scanning program in cooperation with the timing of the screen display, so that the gate driving circuit drives the corresponding pixel switch in a certain order, and the source driving circuit uses the Γ to correct the reference voltage The Γ correction reference voltage provided by the unit converts each pixel voltage data into a corresponding pixel voltage to drive each pixel capacitor of the TFT liquid crystal display panel, so that the TFT liquid crystal display panel provides a display screen, which is characterized by: Before executing the screen display program, the display device executes a security verification program by using a secure element. If the verification result of the security verification program is successful, the display device executes the screen display program. If the verification result is unsuccessful, the screen display program is not executed; wherein the secure element is located in a circuit The element, and the circuit unit of the line by the graphics processor, the timing controller, the gate driver circuit and the source driving circuit to a circuit unit of the selected one of the group consisting of. 如申請專利範圍第1項所述之顯示裝置,其中該安全元件具有一驗證碼或密碼,且該驗證碼或密碼為一固定碼或一時變碼。The display device according to item 1 of the scope of patent application, wherein the security element has a verification code or password, and the verification code or password is a fixed code or a time-varying code.
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