TWI764244B - Display apparatus - Google Patents
Display apparatusInfo
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- TWI764244B TWI764244B TW109128433A TW109128433A TWI764244B TW I764244 B TWI764244 B TW I764244B TW 109128433 A TW109128433 A TW 109128433A TW 109128433 A TW109128433 A TW 109128433A TW I764244 B TWI764244 B TW I764244B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
Description
本發明係與顯示裝置有關,尤其是關於一種能夠有效減輕顯示驅動電路之負擔的顯示裝置。The present invention relates to a display device, and more particularly, to a display device that can effectively reduce the burden of a display driving circuit.
請參照圖1,顯示裝置1通常包括時序控制電路10、複數個顯示驅動電路12及顯示面板14。時序控制電路10分別耦接至該複數個顯示驅動電路12。該複數個顯示驅動電路12分別耦接至顯示面板14。Referring to FIG. 1 , the
在先前技術中,如圖2所示,時序控制電路10包括傳送單元TX,用以將時序控制電路10接收到的原始顯示資料D0傳送至顯示驅動電路12。當顯示驅動電路12的接收單元RX接收到傳送單元TX所傳送的原始顯示資料D0時,記憶體控制單元MC將原始顯示資料D0儲存於記憶體單元MU中。In the prior art, as shown in FIG. 2 , the
當顯示驅動電路12欲驅動顯示面板14顯示畫面時,其係由記憶體控制單元MC存取儲存於記憶體單元MU中的原始顯示資料D0,並透過重新分配單元RD重新分配原始顯示資料D0,以提供重新分配後顯示資料D1至驅動單元DU。驅動單元DU根據重新分配後顯示資料D1產生驅動訊號DS,以驅動顯示面板14顯示重新分配後顯示資料D1。When the
然而,先前技術的上述作法僅由顯示驅動電路12負責顯示資料的重新分配,容易導致顯示驅動電路12的負擔過重;此外,顯示驅動電路12需額外設置記憶體單元MU、記憶體控制單元MC及重新分配單元RD等,亦造成顯示驅動電路12的電路面積及製造成本難以降低。上述問題均亟待進一步加以解決。However, in the above-mentioned method of the prior art, the
有鑑於此,本發明提出一種顯示裝置,以有效解決先前技術所遭遇到之上述問題。In view of this, the present invention proposes a display device to effectively solve the above-mentioned problems encountered in the prior art.
依據本發明之一具體實施例為一種顯示裝置。於此實施例中,顯示裝置包括時序控制電路、複數個顯示驅動電路及顯示面板。時序控制電路用以儲存原始顯示資料並重新分配原始顯示資料,以提供重新分配後顯示資料。複數個顯示驅動電路分別耦接時序控制電路,該些顯示驅動電路中之一顯示驅動電路用以接收重新分配後顯示資料並根據重新分配後顯示資料產生驅動訊號。顯示面板耦接顯示驅動電路,用以受驅動訊號之驅動而顯示重新分配後顯示資料。One embodiment of the present invention is a display device. In this embodiment, the display device includes a timing control circuit, a plurality of display driving circuits and a display panel. The timing control circuit is used for storing the original display data and redistributing the original display data to provide the redistributed display data. The plurality of display driving circuits are respectively coupled to the timing control circuit, and one of the display driving circuits is used for receiving the redistributed display data and generating a driving signal according to the redistributed display data. The display panel is coupled to the display driving circuit, and is driven by the driving signal to display the redistributed display data.
於一實施例中,時序控制電路包括記憶體單元、重新分配單元及傳送單元。記憶體單元用以儲存原始顯示資料。重新分配單元耦接記憶體單元,用以重新分配原始顯示資料以產生重新分配後顯示資料。傳送單元耦接重新分配單元,用以傳送重新分配後顯示資料。In one embodiment, the timing control circuit includes a memory unit, a redistribution unit, and a transmission unit. The memory unit is used to store the original display data. The redistribution unit is coupled to the memory unit for redistributing the original display data to generate the redistributed display data. The transmitting unit is coupled to the redistributing unit, and is used for transmitting the redistributed display data.
於一實施例中,時序控制電路還包括記憶體控制單元,耦接記憶體單元與重新分配單元,用以將原始顯示資料儲存於記憶體單元以及自記憶體單元取出原始顯示資料以提供給重新分配單元。In one embodiment, the timing control circuit further includes a memory control unit, coupled to the memory unit and the redistribution unit, for storing the original display data in the memory unit and fetching the original display data from the memory unit to provide the redistribution unit. allocation unit.
於一實施例中,顯示驅動電路包括接收單元及驅動單元。接收單元耦接時序控制電路,用以接收重新分配後顯示資料。驅動單元耦接接收單元,用以根據重新分配後顯示資料產生驅動訊號。In one embodiment, the display driving circuit includes a receiving unit and a driving unit. The receiving unit is coupled to the timing control circuit for receiving the redistributed display data. The driving unit is coupled to the receiving unit for generating a driving signal according to the redistributed display data.
於一實施例中,顯示面板為微型發光二極體(Micro-LED)顯示面板。In one embodiment, the display panel is a micro light-emitting diode (Micro-LED) display panel.
依據本發明之另一具體實施例為一種顯示裝置。於此實施例中,顯示裝置包括時序控制電路、複數個顯示驅動電路及顯示面板。時序控制電路用以儲存原始顯示資料並重新分配原始顯示資料以產生第一重新分配後顯示資料後輸出第一重新分配後顯示資料。該複數個顯示驅動電路耦接時序控制電路。該些顯示驅動電路中之一顯示驅動電路用以接收第一重新分配後顯示資料並儲存第一重新分配後顯示資料。顯示驅動電路還重新分配第一重新分配後顯示資料以產生第二重新分配後顯示資料並據以產生驅動訊號。顯示面板耦接顯示驅動電路,用以受驅動訊號之驅動而顯示第二重新分配後顯示資料。Another embodiment according to the present invention is a display device. In this embodiment, the display device includes a timing control circuit, a plurality of display driving circuits and a display panel. The timing control circuit is used for storing the original display data and redistributing the original display data to generate the first redistributed display data and then outputting the first redistributed display data. The plurality of display driving circuits are coupled to the timing control circuit. One of the display driving circuits is used for receiving the first reallocated display data and storing the first reallocated display data. The display driving circuit also redistributes the first redistributed display data to generate the second redistributed display data and generates driving signals accordingly. The display panel is coupled to the display driving circuit for being driven by the driving signal to display the second redistributed display data.
於一實施例中,時序控制電路包括第一記憶體單元、第一重新分配單元及傳送單元。第一記憶體單元用以儲存原始顯示資料。第一重新分配單元耦接第一記憶體單元,用以重新分配原始顯示資料以產生第一重新分配後顯示資料。傳送單元耦接第一重新分配單元,用以傳送第一重新分配後顯示資料。In one embodiment, the timing control circuit includes a first memory unit, a first reallocation unit and a transmission unit. The first memory unit is used for storing original display data. The first redistribution unit is coupled to the first memory unit, and is used for redistributing the original display data to generate the first redistributed display data. The transmission unit is coupled to the first redistribution unit, and is used for transmitting the display data after the first redistribution.
於一實施例中,時序控制電路還包括第一記憶體控制單元。第一記憶體控制單元耦接第一記憶體單元與第一重新分配單元,用以將原始顯示資料儲存於第一記憶體單元以及自第一記憶體單元取出原始顯示資料以提供給第一重新分配單元。In one embodiment, the timing control circuit further includes a first memory control unit. The first memory control unit is coupled to the first memory unit and the first redistribution unit, and is used for storing the original display data in the first memory unit and fetching the original display data from the first memory unit to provide the first redistribution unit allocation unit.
於一實施例中,顯示驅動電路包括接收單元、第二記憶體單元、第二重新分配單元及驅動單元。接收單元耦接時序控制電路,用以接收第一重新分配後顯示資料。第二記憶體單元用以儲存第一重新分配後顯示資料。第二重新分配單元耦接第二記憶體單元,用以重新分配第一重新分配後顯示資料以產生第二重新分配後顯示資料。驅動單元耦接第二重新分配單元,用以根據第二重新分配後顯示資料產生驅動訊號。In one embodiment, the display driving circuit includes a receiving unit, a second memory unit, a second redistribution unit, and a driving unit. The receiving unit is coupled to the timing control circuit and used for receiving the display data after the first redistribution. The second memory unit is used for storing the display data after the first reallocation. The second redistribution unit is coupled to the second memory unit for redistributing the first redistributed display data to generate the second redistributed display data. The driving unit is coupled to the second redistribution unit, and is used for generating a driving signal according to the display data after the second redistribution.
於一實施例中,顯示驅動電路還包括第二記憶體控制單元,耦接第二記憶體單元與第二重新分配單元,用以將第一重新分配後顯示資料儲存於第二記憶體單元以及自第二記憶體單元取出第一重新分配後顯示資料以提供給第二重新分配單元。In one embodiment, the display driving circuit further includes a second memory control unit, coupled to the second memory unit and the second redistribution unit, for storing the display data after the first redistribution in the second memory unit and After the first reallocation is taken out from the second memory unit, the display data is provided to the second reallocation unit.
於一實施例中,顯示面板為微型發光二極體顯示面板。In one embodiment, the display panel is a miniature light emitting diode display panel.
依據本發明之又一具體實施例亦為一種顯示裝置。於此實施例中,顯示裝置包括時序控制電路、複數個顯示驅動電路及顯示面板。當時序控制電路接收到原始顯示資料時,時序控制電路選擇性地儲存原始顯示資料並重新分配原始顯示資料以產生重新分配後顯示資料,或是直接輸出原始顯示資料。複數個顯示驅動電路耦接時序控制電路,該些顯示驅動電路中之一顯示驅動電路用以接收原始顯示資料或重新分配後顯示資料,其中當顯示驅動電路接收到原始顯示資料時,顯示驅動電路儲存原始顯示資料並重新分配原始顯示資料以產生重新分配後顯示資料並據以產生驅動訊號;當顯示驅動電路接收到重新分配後顯示資料時,顯示驅動電路根據重新分配後顯示資料產生驅動訊號。顯示面板耦接顯示驅動電路,用以受驅動訊號之驅動而顯示重新分配後顯示資料。Another specific embodiment according to the present invention is also a display device. In this embodiment, the display device includes a timing control circuit, a plurality of display driving circuits and a display panel. When the sequence control circuit receives the original display data, the sequence control circuit selectively stores the original display data and redistributes the original display data to generate the redistributed display data, or directly outputs the original display data. A plurality of display driving circuits are coupled to the timing control circuit, one of the display driving circuits is used for receiving original display data or redistributed display data, wherein when the display driving circuit receives the original display data, the display driving circuit Store the original display data and redistribute the original display data to generate the redistributed display data and generate the driving signal accordingly; when the display driving circuit receives the redistributed display data, the display driving circuit generates the driving signal according to the redistributed display data. The display panel is coupled to the display driving circuit, and is driven by the driving signal to display the redistributed display data.
於一實施例中,時序控制電路包括第一記憶體單元、第一重新分配單元及傳送單元。第一記憶體單元用以儲存原始顯示資料。第一重新分配單元耦接第一記憶體單元,用以選擇性地重新分配原始顯示資料以產生重新分配後顯示資料。傳送單元耦接第一重新分配單元及第一記憶體單元,用以選擇性地傳送原始顯示資料或重新分配後顯示資料。In one embodiment, the timing control circuit includes a first memory unit, a first reallocation unit and a transmission unit. The first memory unit is used for storing original display data. The first redistribution unit is coupled to the first memory unit, and is used for selectively redistributing the original display data to generate the redistributed display data. The transmission unit is coupled to the first redistribution unit and the first memory unit, and is used for selectively transmitting the original display data or the redistributed display data.
於一實施例中,時序控制電路還包括第一記憶體控制單元,耦接第一記憶體單元、第一重新分配單元及傳送單元,用以將原始顯示資料儲存於第一記憶體單元以及自第一記憶體單元取出原始顯示資料以提供給第一重新分配單元或傳送單元。In one embodiment, the timing control circuit further includes a first memory control unit, coupled to the first memory unit, the first redistribution unit and the transmission unit, for storing the original display data in the first memory unit and automatically The first memory unit retrieves the original display data to provide the first redistribution unit or the transmission unit.
於一實施例中,顯示驅動電路包括接收單元、第二記憶體單元、第二重新分配單元及驅動單元。接收單元耦接時序控制電路,用以選擇性地接收原始顯示資料或重新分配後顯示資料。第二記憶體單元用以儲存原始顯示資料。第二重新分配單元耦接第二記憶體單元,用以接收重新分配後顯示資料或重新分配該原始顯示資料以產生重新分配後顯示資料。驅動單元耦接第二重新分配單元及接收單元,用以根據重新分配後顯示資料產生驅動訊號。In one embodiment, the display driving circuit includes a receiving unit, a second memory unit, a second redistribution unit, and a driving unit. The receiving unit is coupled to the timing control circuit for selectively receiving the original display data or the redistributed display data. The second memory unit is used for storing original display data. The second redistribution unit is coupled to the second memory unit for receiving the redistributed display data or redistributing the original display data to generate the redistributed display data. The driving unit is coupled to the second redistributing unit and the receiving unit, and is used for generating a driving signal according to the redistributed display data.
於一實施例中,顯示驅動電路還包括第二記憶體控制單元,耦接第二記憶體單元與第二重新分配單元,用以將原始顯示資料儲存於第二記憶體單元以及從第二記憶體單元取出原始顯示資料以提供給第二重新分配單元,當第二記憶體控制單元接收到重新分配後顯示資料時,第二記憶體控制單元提供重新分配後顯示資料給第二重新分配單元。In one embodiment, the display driving circuit further includes a second memory control unit, coupled to the second memory unit and the second redistribution unit, for storing the original display data in the second memory unit and from the second memory unit. The memory unit takes out the original display data to provide the second redistribution unit. When the second memory control unit receives the redistributed display data, the second memory control unit provides the redistributed display data to the second redistribution unit.
於一實施例中,顯示面板為微型發光二極體顯示面板。In one embodiment, the display panel is a miniature light emitting diode display panel.
相較於先前技術,根據本發明之顯示裝置可由時序控制電路單獨負責顯示資料的重新分配或是由時序控制電路與顯示驅動電路共同分擔負責顯示資料的重新分配,除了可以有效減輕顯示驅動電路的負擔,還能有效減少顯示驅動電路的電路面積及製造成本。Compared with the prior art, in the display device according to the present invention, the timing control circuit can be solely responsible for the redistribution of display data, or the timing control circuit and the display driving circuit are jointly responsible for the reallocation of the display data. It can also effectively reduce the circuit area and manufacturing cost of the display driving circuit.
關於本發明之優點與精神可以藉由以下的發明詳述及所附圖式得到進一步的瞭解。The advantages and spirit of the present invention can be further understood from the following detailed description of the invention and the accompanying drawings.
現在將詳細參考本發明的示範性實施例,並在附圖中說明所述示範性實施例的實例。在圖式及實施方式中所使用相同或類似標號的元件/構件是用來代表相同或類似部分。Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Elements/components using the same or similar numbers in the drawings and the embodiments are intended to represent the same or similar parts.
依據本發明之一具體實施例為一種顯示裝置。於此實施例中,顯示裝置可以是微型發光二極體(Micro-LED)顯示器,但不以此為限。請參照圖3,圖3繪示此實施例中之顯示裝置1係由時序控制電路10單獨負責顯示資料的重新分配的示意圖。One embodiment of the present invention is a display device. In this embodiment, the display device may be a micro light emitting diode (Micro-LED) display, but not limited thereto. Please refer to FIG. 3 . FIG. 3 is a schematic diagram illustrating that the
如圖3所示,顯示裝置1包括時序控制電路10、複數個顯示驅動電路12及顯示面板14。時序控制電路10耦接該複數個顯示驅動電路12。該複數個顯示驅動電路12耦接顯示面板14。於實際應用中,該複數個顯示驅動電路12的數量可視實際需求而定,並無特定之限制。As shown in FIG. 3 , the
於此實施例中,時序控制電路10用以儲存原始顯示資料D0並重新分配原始顯示資料D0,以提供重新分配後顯示資料D1。該些顯示驅動電路12中之一顯示驅動電路12用以接收重新分配後顯示資料D1並根據重新分配後顯示資料D1產生驅動訊號DS。顯示面板14用以受驅動訊號DS之驅動而顯示重新分配後顯示資料D1。In this embodiment, the
時序控制電路10可包括記憶體單元100、記憶體控制單元101、重新分配單元102及傳送單元104。記憶體單元100用以儲存原始顯示資料D0。記憶體控制單元101耦接記憶體單元100與重新分配單元102,用以將原始顯示資料D0儲存於記憶體單元100以及自記憶體單元100取出原始顯示資料D0以提供給重新分配單元102。重新分配單元102用以重新分配原始顯示資料D0以產生重新分配後顯示資料D1。傳送單元104耦接重新分配單元102及顯示面板14,用以輸出重新分配後顯示資料D1。The
顯示驅動電路12可包括接收單元120及驅動單元122。接收單元120耦接時序控制電路10,用以接收傳送單元104所輸出的重新分配後顯示資料D1。驅動單元122耦接接收單元120,用以根據重新分配後顯示資料D1產生驅動訊號DS至顯示面板14,以驅動顯示面板14顯示重新分配後顯示資料D1。The
需說明的是,由於圖3中之顯示資料的重新分配均由時序控制電路10負責,顯示驅動電路12僅需根據重新分配後顯示資料D1產生驅動訊號DS至顯示面板14,故可有效減輕顯示驅動電路12的負擔,亦可有效減少顯示驅動電路12的電路面積及製造成本。It should be noted that since the redistribution of the display data in FIG. 3 is the responsibility of the
接著,請參照圖4,圖4繪示根據本發明之另一較佳具體實施例中之顯示裝置2係由時序控制電路20與顯示驅動電路22依序進行顯示資料的重新分配的示意圖。Next, please refer to FIG. 4 , which is a schematic diagram of the
如圖4所示,顯示裝置2包括時序控制電路20、複數個顯示驅動電路22及顯示面板24。時序控制電路20用以儲存原始顯示資料D0並重新分配原始顯示資料D0以產生第一重新分配後顯示資料D1後輸出第一重新分配後顯示資料D1。該複數個顯示驅動電路22耦接時序控制電路20。該些顯示驅動電路22中之一顯示驅動電路22用以接收第一重新分配後顯示資料D1並儲存第一重新分配後顯示資料D1。顯示驅動電路22還重新分配第一重新分配後顯示資料D1以產生第二重新分配後顯示資料D2並據以產生驅動訊號DS。顯示面板24耦接顯示驅動電路22,用以受驅動訊號DS之驅動而顯示第二重新分配後顯示資料D2。As shown in FIG. 4 , the
於此實施例中,時序控制電路20可包括第一記憶體單元200、第一記憶體控制單元201、第一重新分配單元202及傳送單元204。第一記憶體單元200用以儲存原始顯示資料D0。第一重新分配單元202耦接第一記憶體單元200,用以重新分配原始顯示資料D0以產生第一重新分配後顯示資料D1。傳送單元204耦接第一重新分配單元202,用以輸出第一重新分配後顯示資料D1。In this embodiment, the
第一記憶體控制單元201耦接第一記憶體單元200與第一重新分配單元202,用以將原始顯示資料D0儲存於第一記憶體單元200以及自第一記憶體單元200取出原始顯示資料D0以提供給第一重新分配單元202。The first
顯示驅動電路22可包括接收單元220、第二記憶體控制單元221、第二記憶體單元222、第二重新分配單元224及驅動單元226。接收單元220耦接時序控制電路20,用以接收傳送單元204所輸出的第一重新分配後顯示資料D1。第二記憶體控制單元221耦接第二記憶體單元222與第二重新分配單元224,用以將第一重新分配後顯示資料D1儲存於第二記憶體單元222以及自第二記憶體單元222取出第一重新分配後顯示資料D1以提供給第二重新分配單元224。第二記憶體單元222用以儲存第一重新分配後顯示資料D1。第二重新分配單元224用以重新分配第一重新分配後顯示資料D1以產生第二重新分配後顯示資料D2。驅動單元226耦接第二重新分配單元224,用以根據第二重新分配後顯示資料D2產生驅動訊號DS至顯示面板24,以驅動顯示面板24顯示第二重新分配後顯示資料D2。The
需說明的是,由於圖4中之顯示資料的重新分配是由時序控制電路20與顯示驅動電路22分擔共同負責,亦即顯示驅動電路22僅需負擔部分的顯示資料重新分配工作,故可有效減輕顯示驅動電路22的負擔,亦可有效減少顯示驅動電路22的電路面積及製造成本。It should be noted that, since the redistribution of display data in FIG. 4 is shared by the
接著,請參照圖5,圖5繪示根據本發明之又一較佳具體實施例中之顯示裝置3係選擇性地由時序控制電路30或顯示驅動電路32進行顯示資料的重新分配的示意圖。Next, please refer to FIG. 5 , which is a schematic diagram of the
如圖5所示,顯示裝置3包括時序控制電路30、複數個顯示驅動電路32及顯示面板34。時序控制電路30耦接顯示驅動電路32。顯示驅動電路32耦接顯示面板34。當時序控制電路30接收到原始顯示資料D0時,時序控制電路30選擇性地儲存原始顯示資料D0並重新分配原始顯示資料D0以產生重新分配後顯示資料D1,或是直接輸出原始顯示資料D0。As shown in FIG. 5 , the
顯示驅動電路32用以接收原始顯示資料D0或重新分配後顯示資料D。當顯示驅動電路32接收到原始顯示資料D0時,顯示驅動電路32儲存原始顯示資料D0並重新分配原始顯示資料D0以產生重新分配後顯示資料D1並據以產生驅動訊號DS。當顯示驅動電路32接收到重新分配後顯示資料D1時,顯示驅動電路32根據重新分配後顯示資料D1產生驅動訊號DS。顯示面板34耦接顯示驅動電路32,用以受驅動訊號DS之驅動而顯示重新分配後顯示資料D1。The
於此實施例中,時序控制電路30可包括第一記憶體單元300、第一記憶體控制單元301、第一重新分配單元302及傳送單元304。第一記憶體單元300用以儲存原始顯示資料D0。第一記憶體控制單元301用以將原始顯示資料D0儲存於第一記憶體單元300以及自第一記憶體單元300取出原始顯示資料D0以提供給第一重新分配單元302或傳送單元304。第一重新分配單元302用以選擇性地重新分配原始顯示資料D0以產生重新分配後顯示資料D1。傳送單元304耦接第一重新分配單元302,用以選擇性地傳送原始顯示資料D0或重新分配後顯示資料D1。In this embodiment, the
顯示驅動電路32包括接收單元320、第二記憶體控制單元321、第二記憶體單元322、第二重新分配單元324及驅動單元326。接收單元320耦接時序控制電路30,用以選擇性地接收原始顯示資料D0或重新分配後顯示資料D1。第二記憶體控制單元321耦接第二記憶體單元322與第二重新分配單元324,用以將原始顯示資料D0儲存於第二記憶體單元322以及從第二記憶體單元322取出原始顯示資料D0以提供給第二重新分配單元324。當第二記憶體控制單元321接收到重新分配後顯示資料D1時,第二記憶體控制單元321提供重新分配後顯示資料D1給第二重新分配單元324。第二記憶體單元322用以儲存原始顯示資料D0。第二重新分配單元324用以接收重新分配後顯示資料D1或重新分配原始顯示資料D0以產生重新分配後顯示資料D1。驅動單元326耦接第二重新分配單元324及接收單元320,用以根據重新分配後顯示資料D1產生驅動訊號DS至顯示面板34,以驅動顯示面板34顯示重新分配後顯示資料D1。The
需說明的是,由於圖5中之顯示資料的重新分配可選擇性地由時序控制電路30或顯示驅動電路32負責處理,亦即當顯示驅動電路32的負荷較重時,可改由時序控制電路30負責處理顯示資料的重新分配,故可有效減輕顯示驅動電路22的負擔,提升使用上之彈性,亦可有效減少顯示驅動電路22的電路面積及製造成本。It should be noted that since the redistribution of the display data in FIG. 5 can be selectively handled by the
相較於先前技術,根據本發明之顯示裝置可由時序控制電路單獨負責顯示資料的重新分配或是由時序控制電路與顯示驅動電路分擔共同負責顯示資料的重新分配,除了可以有效減輕顯示驅動電路的負擔,還能有效減少顯示驅動電路的電路面積及製造成本。Compared with the prior art, in the display device according to the present invention, the timing control circuit can be solely responsible for the redistribution of display data, or the timing control circuit and the display driving circuit are jointly responsible for the reallocation of the display data, which can effectively reduce the burden of the display driving circuit. It can also effectively reduce the circuit area and manufacturing cost of the display driving circuit.
1...顯示裝置
10...時序控制電路
12...顯示驅動電路
14...顯示面板
TX...傳送單元
RX...接收單元
MC...記憶體控制單元
MU..記憶體單元.
RD...重新分配單元
DU...驅動單元
100...記憶體單元
101...記憶體控制單元
102...重新分配單元
104...傳送單元
120...接收單元
122...驅動單元
D0...原始顯示資料
D1~D2...重新分配後顯示資料
DS...驅動訊號
2...顯示裝置
20...時序控制電路
22...顯示驅動電路
24...顯示面板
200...第一記憶體單元
201...第一記憶體控制單元
202...第一重新分配單元
204...傳送單元
220...接收單元
221...第二記憶體控制單元
222...第二記憶體單元
224...第二重新分配單元
226...驅動單元
3...顯示裝置
30...時序控制電路
32...顯示驅動電路
34...顯示面板
300...第一記憶體單元
301...第一記憶體控制單元
302...第一重新分配單元
304...傳送單元
320...接收單元
321...第二記憶體控制單元
322...第二記憶體單元
324...第二重新分配單元
326...驅動單元
1...
本發明所附圖式說明如下: 圖1繪示顯示裝置包括時序控制電路、複數個顯示驅動電路及顯示面板的示意圖。 圖2繪示先前技術中的顯示資料的重新分配均由顯示驅動電路單獨負責的示意圖。 圖3繪示根據本發明之一較佳具體實施例中之顯示裝置係由時序控制電路單獨負責顯示資料的重新分配的示意圖。 圖4繪示根據本發明之另一較佳具體實施例中之顯示裝置係由時序控制電路與顯示驅動電路依序進行顯示資料的重新分配的示意圖。 圖5繪示根據本發明之又一較佳具體實施例中之顯示裝置係選擇性地由時序控制電路或顯示驅動電路進行顯示資料的重新分配的示意圖。 The accompanying drawings of the present invention are described as follows: FIG. 1 is a schematic diagram illustrating a display device including a timing control circuit, a plurality of display driving circuits and a display panel. FIG. 2 is a schematic diagram showing that the display data redistribution in the prior art is solely responsible for the display driving circuit. 3 is a schematic diagram illustrating that the timing control circuit is solely responsible for the reallocation of display data in the display device according to a preferred embodiment of the present invention. 4 is a schematic diagram illustrating that the display device according to another preferred embodiment of the present invention is sequentially redistributed display data by a timing control circuit and a display driving circuit. FIG. 5 is a schematic diagram illustrating that display data is selectively redistributed by a timing control circuit or a display driving circuit in a display device according to another preferred embodiment of the present invention.
1...顯示裝置
10...時序控制電路
12...顯示驅動電路
14...顯示面板
100...記憶體單元
101...記憶體控制單元
102...重新分配單元
104...傳送單元
120...接收單元
122...驅動單元
D0...原始顯示資料
D1...重新分配後顯示資料
DS...驅動訊號
1...
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