TWI409784B - Color sequential liquid crystal display and method for displaying 3d image - Google Patents
Color sequential liquid crystal display and method for displaying 3d image Download PDFInfo
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本發明係有關於一種色序型液晶顯示裝置及其影像顯示方法，且特別係有關於可形成立體影像效果的色序型液晶顯示裝置與立體影像顯示方法。The present invention relates to a color sequential liquid crystal display device and an image display method thereof, and particularly to a color sequential liquid crystal display device and a stereoscopic image display method capable of forming a stereoscopic image effect.
傳統液晶顯示器(Liquid Crystal Display，LCD)係使用白色背光，並需利用R、G、B三色的彩色濾光片來達到色彩顯示的效果。相對地，色序型(Color Sequential)液晶顯示器可不需使用濾光片，而使用R、G、B三色的光源在一圖框(frame)的時間內依序發光，其利用人類眼睛的視覺暫留現象而對三種色光進行加法混色，以達到色彩顯示的效果。當色序型液晶顯示器應用於3D顯示器時，可藉由二個液晶顯示面板來堆疊設置成3D液晶顯示器，藉以利用前後面板之影像之間的亮度差異、色彩階調不同或前後景深來形成立體的影像效果。The traditional liquid crystal display (LCD) uses a white backlight and uses color filters of R, G, and B colors to achieve color display. In contrast, a color Sequential liquid crystal display can use a light source of R, G, and B to sequentially emit light in a frame time without using a filter, and utilizes the vision of the human eye. The persistence phenomenon adds additive color to the three color lights to achieve the color display effect. When the color sequential liquid crystal display is applied to a 3D display, it can be stacked into a 3D liquid crystal display by two liquid crystal display panels, thereby forming a stereoscopic shape by using brightness difference, color tone difference or front and rear depth of field between images of the front and rear panels. Image effect.
然而，上述色序型的3D液晶顯示器需設有二個電路板來分別連接於此些液晶顯示面板，以分別輸出不同的影像於此些液晶顯示面板。且每一電路板皆需設有一時序控制(Timing Controller)晶片，用以處理影像資料並控制資料寫入面板的時序。因此，相對於一般液晶顯示器，3D液晶顯示器需設有較多的電路板和IC晶片，而具有較高的製程成本，且較不易達成輸入/輸出之控制信號與影像信號的同步處理。However, the above-mentioned color sequential type 3D liquid crystal display needs to have two circuit boards respectively connected to the liquid crystal display panels to respectively output different images to the liquid crystal display panels. Each board needs to have a Timing Controller chip to process the image data and control the timing of the data writing to the panel. Therefore, compared with a general liquid crystal display, a 3D liquid crystal display needs to have more circuit boards and IC chips, and has a higher process cost, and is less likely to achieve synchronization processing of input/output control signals and image signals.
因此本發明之一方面係在於提供一種色序型液晶顯示裝置與立體影像顯示方法，藉以利用色序型液晶顯示面板來形成立體影像效果，而無需使用彩色濾光片，因而可減少製程成本。Therefore, an aspect of the present invention provides a color sequential liquid crystal display device and a stereoscopic image display method, whereby a color sequential liquid crystal display panel is used to form a stereoscopic image effect without using a color filter, thereby reducing process cost.
本發明之另一方面係在於提供一種色序型液晶顯示裝置與立體影像顯示方法，藉以使用單一電路板和單一時序控制電路來驅動多個面板，因而可降低製程成本，並確保輸入/輸出之控制信號與影像信號的同步處理。Another aspect of the present invention provides a color sequential liquid crystal display device and a stereoscopic image display method for driving a plurality of panels using a single circuit board and a single timing control circuit, thereby reducing process cost and ensuring input/output. The synchronization of the control signal and the image signal.
根據本發明之實施例，本發明之色序型液晶顯示裝置包含背光模組、複數個液晶顯示面板、電路板及時序控制電路。第二液晶顯示面板設置於第一液晶顯示面板的一側，電路板係電性連接於背光模組及此些液晶顯示面板，時序控制電路設置於電路板上，並電性連接於背光模組及此些液晶顯示面板，其中時序控制電路包含緩衝單元及驅動控制器。緩衝單元係用以緩衝由影像處理電路所接收的複數個影像資料，驅動控制器係用以輸出影像資料於液晶顯示面板，並驅動背光模組與此些液晶顯示面板。According to an embodiment of the invention, the color sequential liquid crystal display device of the present invention comprises a backlight module, a plurality of liquid crystal display panels, a circuit board and a timing control circuit. The second liquid crystal display panel is disposed on one side of the first liquid crystal display panel, the circuit board is electrically connected to the backlight module and the liquid crystal display panels, and the timing control circuit is disposed on the circuit board and electrically connected to the backlight module And the liquid crystal display panel, wherein the timing control circuit comprises a buffer unit and a drive controller. The buffer unit is configured to buffer a plurality of image data received by the image processing circuit, and the driving controller is configured to output image data to the liquid crystal display panel, and drive the backlight module and the liquid crystal display panels.
又，根據本發明之實施例，本發明之用於色序型液晶顯示裝置的立體影像顯示方法包含如下步驟：利用時序控制電路來接收複數個影像資料；根據影像資料，利用時序控制電路來分別輸出複數個單色圖場資料至複數個液晶顯示面板，其中單色圖場資料係依據預設色序所產生；以及對應於單色圖場資料，控制背光模組開啟複數個光源。Moreover, according to an embodiment of the present invention, a stereoscopic image display method for a color sequential liquid crystal display device of the present invention includes the steps of: receiving a plurality of image data by using a timing control circuit; and respectively using a timing control circuit according to the image data Outputting a plurality of monochrome field data to a plurality of liquid crystal display panels, wherein the monochrome field data is generated according to a preset color sequence; and corresponding to the monochrome field data, the backlight module is controlled to open a plurality of light sources.
因此，本發明的色序型液晶顯示裝置與立體影像顯示方法可形成立體影像效果，而無需使用彩色濾光片，且可僅使用單一電路板和單一時序控制電路來驅動多個顯示面板，因而可降低製程成本，且較容易達成輸入/輸出之控制信號與影像信號的同步處理。Therefore, the color sequential liquid crystal display device and the stereoscopic image display method of the present invention can form a stereoscopic image effect without using a color filter, and can drive a plurality of display panels using only a single circuit board and a single timing control circuit. The process cost can be reduced, and the synchronization of the input/output control signals and the image signals can be easily achieved.
為讓本發明之上述和其他目的、特徵、優點與實施例能更明顯易懂，本說明書將特舉出一系列實施例來加以說明。但值得注意的是，此些實施例只係用以說明本發明之實施方式，而非用以限定本發明。The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. It is to be understood that the embodiments are not intended to limit the invention.
請參照圖1，其顯示依照本發明之第一實施例之色序型液晶顯示裝置的示意圖。本實施例的色序型液晶顯示裝置100可使用色序法來形成立體影像，而可無需使用彩色濾光片(Color Filter，CF)，以降低成本，並提升透光率。此液晶顯示裝置100包含背光模組110、第一液晶顯示面板120、第二液晶顯示面板130、電路板140及時序控制電路150。背光模組110係用以提供背光至第一液晶顯示面板120和第二液晶顯示面板130，第一液晶顯示面板120和第二液晶顯示面板130係堆疊設置，且可具有一預設間距，藉以利用面板120及130之間的亮度差異、色彩階調不同或前後景深來形成立體的影像效果。電路板140係電性連接於背光模組110、第一液晶顯示面板120及第二液晶顯示面板130。時序控制電路150係設置於電路板140上，用以驅動背光模組110、第一液晶顯示面板120及第二液晶顯示面板130。Referring to FIG. 1, there is shown a schematic diagram of a color sequential liquid crystal display device in accordance with a first embodiment of the present invention. The color sequential liquid crystal display device 100 of the present embodiment can use a color sequential method to form a stereoscopic image without using a color filter (CF) to reduce cost and improve light transmittance. The liquid crystal display device 100 includes a backlight module 110, a first liquid crystal display panel 120, a second liquid crystal display panel 130, a circuit board 140, and a timing control circuit 150. The backlight module 110 is configured to provide a backlight to the first liquid crystal display panel 120 and the second liquid crystal display panel 130. The first liquid crystal display panel 120 and the second liquid crystal display panel 130 are stacked and may have a preset spacing. The stereoscopic image effect is formed by the difference in brightness, the difference in color tone, or the depth of front and back between the panels 120 and 130. The circuit board 140 is electrically connected to the backlight module 110, the first liquid crystal display panel 120, and the second liquid crystal display panel 130. The timing control circuit 150 is disposed on the circuit board 140 for driving the backlight module 110, the first liquid crystal display panel 120, and the second liquid crystal display panel 130.
值得注意的是，本實施例係以二個液晶顯示面板(第一液晶顯示面板120、第二液晶顯示面板130)來舉例說明，然不限於此，色序型液晶顯示裝置亦可使用更多的液晶顯示面板(例如三個或更多個)來形成多景深(Multi-Depth)立體效果。It should be noted that the present embodiment is exemplified by two liquid crystal display panels (the first liquid crystal display panel 120 and the second liquid crystal display panel 130). However, the present invention is not limited thereto, and the color sequential liquid crystal display device can also use more. A liquid crystal display panel (for example, three or more) to form a multi-Depth stereoscopic effect.
如圖1所示，本實施例的背光模組110設有複數個光源(未繪示)，用以提供至少三種的不同色光，其可依據一預設色序來發出不同的色光，此預設色序例如為紅-綠-藍(R-G-B)、紅-綠-藍-綠(R-G-B-G)、紅-綠-藍-白(R-G-B-W)、紅-綠-藍-白-黃(R-G-B-W-Y)、紅-綠-藍-青-黃-洋紅(R-G-B-C-Y-M)或青-黃-洋紅(C-Y-M)，其中黃色(Yellow)係由紅色加綠色所組成，青色(Cyan)係由綠色加藍色所組成，洋紅色(Magenta)係由紅色加藍色所組成。背光模組110可為側向入光式(Edge Lighting)背光模組或直下式入光(Bottom Lighting)背光模組，而背光模組110的光源可例如為螢光燈管(Fluorescent Lamp，FL)、發光二極體(Light-Emitting Diode，LED)或有機發光二極體(Organic Light Emitting Diode，OLED)。其中螢光燈管(FL)可為冷陰極螢光燈管(CCFL)或熱陰極螢光燈(HCFL)。As shown in FIG. 1 , the backlight module 110 of the embodiment is provided with a plurality of light sources (not shown) for providing at least three different color lights, which can emit different color lights according to a preset color sequence. The color sequence is, for example, red-green-blue (RGB), red-green-blue-green (RGBG), red-green-blue-white (RGBW), red-green-blue-white-yellow (RGBWY), red - green-blue-cyan-yellow-magenta (RGBCYM) or cyan-yellow-magenta (CYM), in which yellow is composed of red and green, and cyan is composed of green and blue. Red (Magenta) is composed of red and blue. The backlight module 110 can be a side-lighting (Edge Lighting) backlight module or a Bottom Lighting backlight module, and the light source of the backlight module 110 can be, for example, a fluorescent lamp (Fluorescent Lamp, FL). ), Light-Emitting Diode (LED) or Organic Light Emitting Diode (OLED). The fluorescent tube (FL) may be a cold cathode fluorescent tube (CCFL) or a hot cathode fluorescent lamp (HCFL).
請參照圖2，其顯示依照本發明之第一實施例之色序型液晶顯示裝置的立體示意圖。本實施例的第一液晶顯示面板120及第二液晶顯示面板130分別可包括第一基板、第二基板及液晶層(未繪示)，液晶層係設於第一基板和第二基板之間，且第一基板或第二基板配置有複數個像素電極構成的像素陣列(未繪示)。在本實施例中，背光模組110係設置於第一液晶顯示面板120的一側，而第二液晶顯示面板130係設置於第一液晶顯示面板120的相對另一側，此時，第一液晶顯示面板120可包括第一偏光片121和第二偏光片122，第二液晶顯示面板130可包括第三偏光片131和第四偏光片132。第一偏光片121係設置於背光模組110與第一液晶顯示面板120之間，且第一偏光片121的吸收軸與一預設方向(如水平方向)之間的夾角為135度。第二偏光片122係設置於第一液晶顯示面板120與第二液晶顯示面板130之間，且第二偏光片122的吸收軸與預設方向之間的夾角為45度。第三偏光片131係設置於第二偏光片122與第二液晶顯示面板130之間，且第三偏光片131的吸收軸與預設方向之間的夾角為45度。第四偏光片132係設置於第二液晶顯示面板130的一側，而相對於第三偏光片131，且第四偏光片132的吸收軸與預設方向之間的夾角為135度。因此，本實施例的液晶顯示裝置100可利用第一液晶顯示面板120與第二液晶顯示面板130來形成立體3D影像效果，而無需使用彩色濾光片。Referring to FIG. 2, there is shown a perspective view of a color sequential liquid crystal display device in accordance with a first embodiment of the present invention. The first liquid crystal display panel 120 and the second liquid crystal display panel 130 of the present embodiment may respectively include a first substrate, a second substrate, and a liquid crystal layer (not shown), and the liquid crystal layer is disposed between the first substrate and the second substrate. And the first substrate or the second substrate is provided with a pixel array (not shown) composed of a plurality of pixel electrodes. In this embodiment, the backlight module 110 is disposed on one side of the first liquid crystal display panel 120, and the second liquid crystal display panel 130 is disposed on the opposite side of the first liquid crystal display panel 120. The liquid crystal display panel 120 may include a first polarizer 121 and a second polarizer 122, and the second liquid crystal display panel 130 may include a third polarizer 131 and a fourth polarizer 132. The first polarizer 121 is disposed between the backlight module 110 and the first liquid crystal display panel 120, and an angle between the absorption axis of the first polarizer 121 and a predetermined direction (such as a horizontal direction) is 135 degrees. The second polarizer 122 is disposed between the first liquid crystal display panel 120 and the second liquid crystal display panel 130, and the angle between the absorption axis of the second polarizer 122 and the preset direction is 45 degrees. The third polarizer 131 is disposed between the second polarizer 122 and the second liquid crystal display panel 130, and the angle between the absorption axis of the third polarizer 131 and the preset direction is 45 degrees. The fourth polarizer 132 is disposed on one side of the second liquid crystal display panel 130, and is opposite to the third polarizer 131, and the angle between the absorption axis of the fourth polarizer 132 and the preset direction is 135 degrees. Therefore, the liquid crystal display device 100 of the present embodiment can utilize the first liquid crystal display panel 120 and the second liquid crystal display panel 130 to form a stereoscopic 3D image effect without using a color filter.
請參照圖3A和圖3B，其顯示依照本發明之第一液晶顯示面板、第二液晶顯示面板、電路板及時序控制電路的剖面示意圖。本實施例的電路板140例如為印刷電路板(Printed circuit board，PCB)，時序控制電路150係設置於電路板140的一側上。如圖3A所示，在本實施例中，第一液晶顯示面板120與第二液晶顯示面板130可分別連接於電路板140的相對兩側。然不限於此，如圖3B所示，在一實施例中，第一液晶顯示面板120與第二液晶顯示面板130亦可分別連接於電路板140的相同一側。3A and 3B are cross-sectional views showing a first liquid crystal display panel, a second liquid crystal display panel, a circuit board, and a timing control circuit in accordance with the present invention. The circuit board 140 of this embodiment is, for example, a printed circuit board (PCB), and the timing control circuit 150 is disposed on one side of the circuit board 140. As shown in FIG. 3A , in the embodiment, the first liquid crystal display panel 120 and the second liquid crystal display panel 130 can be respectively connected to opposite sides of the circuit board 140 . For example, as shown in FIG. 3B , in an embodiment, the first liquid crystal display panel 120 and the second liquid crystal display panel 130 may also be respectively connected to the same side of the circuit board 140 .
請參照圖4A，其顯示依照本發明之第一實施例之時序控制電路的電路方塊圖。本實施例的時序控制電路150例如為IC晶片，其包含資料傳輸介面151、緩衝單元152、資料排序單元153及驅動控制器154。資料傳輸介面151係用以接收由一系統端200的至少一影像處理電路201、202所傳來的影像資料。系統端200例如為計算機系統、電腦系統、影像擷取系統或其他任何具有影像處理電路的裝置或設備。其中，資料傳輸介面151例如為RSDS介面、TTL介面、PPDS介面或LVDS介面。在本實施例中，資料傳輸介面151係電性連接於系統端200的第一影像處理電路201和第二影像處理電路202，第一影像處理電路201係用以輸出第一液晶顯示面板120所需的第一影像資料F1 ，第二影像處理電路202係用以輸出第二液晶顯示面板130所需的第二影像資料F2 ，此時，第一影像資料F1 和第二影像資料F2 可為彩色圖框(Frame)資料，並例如係以圖框率(Frame Rate)60Hz來輸入時序控制電路150的資料傳輸介面151。Referring to FIG. 4A, a circuit block diagram of a timing control circuit in accordance with a first embodiment of the present invention is shown. The timing control circuit 150 of the present embodiment is, for example, an IC chip, and includes a data transmission interface 151, a buffer unit 152, a data sorting unit 153, and a drive controller 154. The data transmission interface 151 is configured to receive image data transmitted by at least one image processing circuit 201, 202 of a system terminal 200. System side 200 is, for example, a computer system, a computer system, an image capture system, or any other device or device having image processing circuitry. The data transmission interface 151 is, for example, an RSDS interface, a TTL interface, a PPDS interface, or an LVDS interface. In this embodiment, the data transmission interface 151 is electrically connected to the first image processing circuit 201 and the second image processing circuit 202 of the system end 200, and the first image processing circuit 201 is configured to output the first liquid crystal display panel 120. The first image data F 1 is used to output the second image data F 2 required by the second liquid crystal display panel 130. At this time, the first image data F 1 and the second image data F 2 may be a color frame data, and is input to the data transmission interface 151 of the timing control circuit 150, for example, at a frame rate of 60 Hz.
請參照圖4B，其顯示依照本發明之一實施例之時序控制電路的電路方塊圖。在一實施例中，如圖2所示，第一影像資料F1 和第二影像資料F2 亦可同時由單一影像處理電路203所提供，而輸入資料傳輸介面151。此時，影像處理電路203可具有二個輸出介面204、205，以分別輸出第一影像資料F1 和第二影像資料F2 。Referring to FIG. 4B, a circuit block diagram of a timing control circuit in accordance with an embodiment of the present invention is shown. In one embodiment, shown in Figure 2, the first image data a second image data F 1 and F 2 is also provided at the same time by a single image processing circuit 203, and the input data transmission interface 151. At this time, the image processing circuit 203 can have two output interfaces 204 and 205 to respectively output the first image data F 1 and the second image data F 2 .
如圖4A所示，緩衝單元152係電性連接於資料傳輸介面151，用以緩衝資料傳輸介面151所接收的第一影像資料F1 和第二影像資料F2 ，並輸出至資料排序單元153。資料排序單元153係電性連接於緩衝單元152，用以對第一影像資料F1 和第二影像資料F2 進行排序，且分割第一影像資料F1 成複數個第一單色圖場資料C1 ，以及分割第二影像資料F2 成複數個第二單色圖場資料C2 。其中，第一單色圖場資料C1 和第二單色圖場資料C2 可依據預設色序來產生，而例如為R-G-B、R-G-B-G、R-G-B-W、R-G-B-W-Y、R-G-B-C-Y-M或C-Y-M等單色圖場資料。資料排序單元153可包括第一圖框記憶體155和第二圖框記憶體156，其電性連接於資料排序單元153，第一圖框記憶體155係用來暫存已完成排序之第一單色圖場資料C1 ，而第二圖框記憶體156係用來暫存已完成排序之第二單色圖場資料C2 。此時，圖框記憶體155、156可具有多個不同單色區塊，例如R-G-B區塊，用以供單色圖場資料C1 、C2 來各別寫入和存取。As shown in FIG. 4A, the buffer unit 152 is electrically connected to the data transmission interface 151 for buffering the first image data F 1 and the second image data F 2 received by the data transmission interface 151 and outputting to the data sorting unit 153. . The data sorting unit 153 is electrically connected to the buffer unit 152 for sorting the first image data F 1 and the second image data F 2 , and dividing the first image data F 1 into a plurality of first monochrome field data. C 1 , and dividing the second image data F 2 into a plurality of second monochrome field data C 2 . Wherein, the first monochrome field data C 1 and the second monochrome field data C 2 may be generated according to a preset color sequence, and for example, monochrome field data such as RGB, RGBG, RGBW, RGBWY, RGBCYM or CYM . The data sorting unit 153 may include a first frame memory 155 and a second frame memory 156 electrically connected to the data sorting unit 153. The first frame memory 155 is used to temporarily store the first sorted order. The monochrome field data C 1 is used to temporarily store the second monochrome field data C 2 that has been sorted. In this case, the frame memory 155, 156 may have a plurality of different single-color blocks, blocks e.g. RGB for monochromatic field data for C 1, C 2 and to respective write access.
如圖4A所示，驅動控制器154係電性連接於資料排序單元153，用以輸出第一單色圖場資料C1 於第一液晶顯示面板120、輸出第二單色圖場資料C2 於第二液晶顯示面板130、以及驅動背光模組110、第一液晶顯示面板120及第二液晶顯示面板130。其中，第一液晶顯示面板120更包括資料驅動器123和閘極驅動器124，而第二液晶顯示面板130亦包括資料驅動器133和閘極驅動器134。此時，驅動控制器154可分別提供資料控制信號和處理過的影像資料信號(第一單色圖場資料C1 和第二單色圖場資料C2 )於資料驅動器123、133，且分別提供閘極控制信號於閘極驅動器124、134，藉以經由資料驅動器123、133與閘極驅動器124、134來分別驅動第一液晶顯示面板120與第二液晶顯示面板130。其中，資料控制信號可包括例如水平啟動信號、負載信號、資料時脈信號及反向信號。閘極控制信號可包括例如閘極時脈信號、掃描啟動信號及輸出啟動信號。4A, the drive controller 154 based electrically connected to the data sorting unit 153, for outputting a first data field monochromatic FIG C 1 to the first liquid crystal display panel 120, the output of the second monochromatic field data C 2 The second liquid crystal display panel 130 and the driving backlight module 110, the first liquid crystal display panel 120, and the second liquid crystal display panel 130. The first liquid crystal display panel 120 further includes a data driver 123 and a gate driver 124 , and the second liquid crystal display panel 130 also includes a data driver 133 and a gate driver 134 . At this time, the drive controller 154 may respectively provide the data control signal and the processed image data signal (the first monochrome field data C 1 and the second monochrome field data C 2 ) to the data drivers 123, 133, and respectively A gate control signal is provided to the gate drivers 124, 134 to drive the first liquid crystal display panel 120 and the second liquid crystal display panel 130 via the data drivers 123, 133 and the gate drivers 124, 134, respectively. The data control signal may include, for example, a horizontal start signal, a load signal, a data clock signal, and a reverse signal. The gate control signal can include, for example, a gate clock signal, a scan enable signal, and an output enable signal.
如圖4A所示，背光模組110可包括光源驅動器111(如LED驅動器)，用以驅動背光模組110的光源。驅動控制器154可根據單色圖場資料C1 和C2 的預設色序來提供控制信號至光源驅動器111，藉以驅動背光模組110依據此預設色序來開啟光源，以提供色光來對應於液晶顯示面板120、130的單色圖場資料C1 和C2 ，因而可分別在液晶顯示面板120、130上顯示完整的影像畫面(圖框)，進而可組合液晶顯示面板120、130的影像來形成立體影像效果。As shown in FIG. 4A , the backlight module 110 can include a light source driver 111 (such as an LED driver) for driving the light source of the backlight module 110 . The drive controller 154 may provide control signals to the light source driver 111 in accordance with monochromatic field data C 1 and C 2 of a predetermined color sequence, so as to drive the backlight module 110 according to the preset color sequential light sources turned on to provide shade to Corresponding to the monochrome field data C 1 and C 2 of the liquid crystal display panels 120 and 130, a complete image frame (frame) can be displayed on the liquid crystal display panels 120 and 130, respectively, and the liquid crystal display panels 120 and 130 can be combined. The image is used to form a stereoscopic image.
請參照圖5，其顯示依照本發明之立體影像顯示方法的流程圖。當進行本實施例之用於色序型液晶顯示裝置100的立體影像顯示方法時，首先，利用時序控制電路150來接收第一影像資料和第二影像資料(步驟301)。接著，根據第一影像資料和第二影像資料，利用時序控制電路150來輸出第一單色圖場資料C1 至第一液晶顯示面板120，且輸出第二單色圖場資料C2 至第二液晶顯示面板130(步驟302)，其中單色圖場資料C1 和C2 係依據預設色序所產生。在本實施例中，第一影像資料F1 和第二影像資料F2 可為彩色圖框(Frame)資料F1 、F2 ，其可經由時序控制電路150的資料排序單元153來進行排序，並分割成單色圖場資料C1 和C2 。接著，對應於第一單色圖場資料C1 和第二單色圖場資料C2 ，控制背光模組110開啟光源(步驟303)，藉以依據預設色序來提供色光。Referring to FIG. 5, a flow chart of a method for displaying a stereoscopic image in accordance with the present invention is shown. When the stereoscopic image display method for the color sequential liquid crystal display device 100 of the present embodiment is performed, first, the first image data and the second image data are received by the timing control circuit 150 (step 301). Then, according to the first image data and the second image data, the first monochrome field data C 1 is output to the first liquid crystal display panel 120 by using the timing control circuit 150, and the second monochrome field data C 2 is output to the first The liquid crystal display panel 130 (step 302), wherein the monochrome field data C 1 and C 2 are generated according to a preset color sequence. In this embodiment, the first image data F 1 and the second image data F 2 may be color frame data F 1 , F 2 , which may be sorted by the data sorting unit 153 of the timing control circuit 150 . And divided into monochromatic field data C 1 and C 2 . Then, corresponding to the first monochrome field data C 1 and the second monochrome field data C 2 , the backlight module 110 is controlled to turn on the light source (step 303), thereby providing color light according to the preset color sequence.
因此，本實施例的色序型液晶顯示裝置及其立體影像顯示方法可形成3D立體影像效果，且無需使用彩色濾光片。再者，由於本實施例可僅使用單一電路板和單一時序控制電路，因而可大幅地減少製程成本，且較易達成輸入/輸出之控制信號與影像信號的同步處理。Therefore, the color sequential liquid crystal display device of the present embodiment and the stereoscopic image display method thereof can form a 3D stereoscopic image effect without using a color filter. Moreover, since this embodiment can use only a single circuit board and a single timing control circuit, the process cost can be greatly reduced, and the synchronization of the input/output control signals and the image signals can be easily achieved.
請參照圖6A，其顯示依照本發明之第二實施例之時序控制電路的電路方塊圖。相較於第一實施例，第二實施例之影像處理電路201a、202a可分別預先對影像資料進行排序，並預先分割成單色圖場資料C1 和C2 ，再輸出至時序控制電路150a，亦即影像處理電路201a、202a所提供第一影像資料和第二影像資料為單色圖場資料C1 和C2 。因此，第二實施例的時序控制電路150a可無需設置資料排序單元153，單色圖場資料C1 和C2 可經由資，料傳輸介面151a、緩衝單元152a及驅動控制器154a來處理，並各別輸出至第一液晶顯示面板120和第二液晶顯示面板130，因而可簡化時序控制電路150a的電路設計。Referring to FIG. 6A, a circuit block diagram of a timing control circuit in accordance with a second embodiment of the present invention is shown. Compared with the first embodiment, the image processing circuits 201a and 202a of the second embodiment can respectively sort the image data in advance, and divide into the monochrome field data C 1 and C 2 in advance, and output to the timing control circuit 150a. That is, the first image data and the second image data provided by the image processing circuits 201a and 202a are monochrome field data C 1 and C 2 . Thus, the timing of the second embodiment of a control circuit 150a may be provided without information sorting unit 153, a monochromatic field data C 1 and C 2 may be processed by the resources, materials transmission interface 151a, 152a and the drive controller buffer unit 154a, and The outputs are separately output to the first liquid crystal display panel 120 and the second liquid crystal display panel 130, thereby simplifying the circuit design of the timing control circuit 150a.
請參照圖6B，其顯示依照本發明之另一實施例之時序控制電路的電路方塊圖。相似地，在另一實施例中，上述預先處理的第一影像資料和第二影像資料(單色圖場資料C1 和C2 )亦可係由單一影像處理電路203a所提供，而輸入時序控制電路150a的資料傳輸介面151a。此時，影像處理電路203a可具有二個輸出介面204a、205a，以分別輸出第一影像資料和第二影像資料。Please refer to FIG. 6B, which shows a circuit block diagram of a timing control circuit in accordance with another embodiment of the present invention. Similarly, in another embodiment, the pre-processed first image data and the second image data (monochrome field data C 1 and C 2 ) may also be provided by a single image processing circuit 203a, and the input timing is input. The data transmission interface 151a of the control circuit 150a. At this time, the image processing circuit 203a may have two output interfaces 204a, 205a for respectively outputting the first image data and the second image data.
請參照圖7A和7B，其顯示依照本發明之第三實施例之時序控制電路的電路方塊圖。相較於第一實施例，在第三實施例中，可使用單一影像處理電路203b來提供影像資料F，其包含有第一影像資料和第二影像資料，且單一影像處理電路203b可使用單一輸出介面206b來輸出影像資料F至時序控制電路150b。此時，第一影像資料包括複數個第一單色圖場資料，第二影像資料包括複數個第二單色圖場資料。當輸出影像資料F時，第一單色圖場資料和第二單色圖場資料可依一預設順序來交錯地輸出至時序控制電路150b，而經由資料傳輸介面151b和緩衝單元152b來輸入資料排序單元153b。此時，先輸入時序控制電路150b的第一或第二單色圖場資料可暫存於資料排序單元153b的圖框記憶體157b中，接著，當下一第一或第二單色圖場資料輸入時序控制電路150b時，資料排序單元153b可同時讀出先前所暫存的單色圖場資料，而輸出二個單色圖場資料至驅動控制器154b，進而輸出至液晶顯示面板120和130。Referring to Figures 7A and 7B, there are shown circuit block diagrams of a timing control circuit in accordance with a third embodiment of the present invention. Compared with the first embodiment, in the third embodiment, the single image processing circuit 203b can be used to provide the image data F, which includes the first image data and the second image data, and the single image processing circuit 203b can use a single image. The output interface 206b outputs the image data F to the timing control circuit 150b. At this time, the first image data includes a plurality of first monochrome field data, and the second image data includes a plurality of second monochrome field data. When the image data F is output, the first monochrome field data and the second monochrome field data may be alternately output to the timing control circuit 150b in a predetermined order, and input through the data transmission interface 151b and the buffer unit 152b. Data sorting unit 153b. At this time, the first or second monochrome field data input to the timing control circuit 150b may be temporarily stored in the frame memory 157b of the data sorting unit 153b, and then, when the next first or second monochrome field data is present. When the timing control circuit 150b is input, the data sorting unit 153b can simultaneously read out the previously stored monochrome field data, and output two monochrome field data to the drive controller 154b, and output to the liquid crystal display panels 120 and 130. .
如圖7A所示，以預設色序為R-G-B來舉例說明，第一影像資料包括紅色圖場資料R1 、綠色圖場資料G1 及藍色圖場資料B1 ，第二影像資料包括紅色圖場資料R2 、綠色圖場資料G2 及藍色圖場資料B2 ，而影像資料F例如係以圖框率(Frame Rate)120Hz，並依據預設順序R1 -R2 -G1 -G2 -B1 -B2 來輸入時序控制電路150b，當紅色圖場資料R1 先輸入時序控制電路150b時，紅色圖場資料R1 可暫存於資料排序單元153b的圖框記憶體157b中，接著，當下一紅色圖場資料R2 輸入時序控制電路150b時，資料排序單元153b可同時讀出先前所暫存的紅色圖場資料R1 ，而輸出紅色圖場資料R1 和R2 至液晶顯示面板120和130。同理，綠色圖場資料G1 亦可先暫存於資料排序單元153b的圖框記憶體157b中，再與下一綠色圖場資料G2 同時輸出至液晶顯示面板120和130。因此，資料排序單元153b的圖框記憶體157b每次僅存取一個單色圖場資料，因而可大幅地減少記憶體容量。As shown in FIG. 7A, the preset image sequence is RGB. The first image data includes red field data R 1 , green field data G 1 and blue field data B 1 , and the second image data includes red. Field data R 2 , green field data G 2 and blue field data B 2 , and image data F is, for example, frame rate 120 Hz, and according to a preset order R 1 -R 2 -G 1 -G 2 -B 1 -B 2 is input to the timing control circuit 150b. When the red field data R 1 is first input to the timing control circuit 150b, the red field data R 1 can be temporarily stored in the frame memory of the data sorting unit 153b. In 157b, next, when the next red field data R 2 is input to the timing control circuit 150b, the data sorting unit 153b can simultaneously read the previously stored red field data R 1 and output the red field data R 1 and R. 2 to the liquid crystal display panels 120 and 130. Similarly, the green data G in FIG. 1 field is also temporarily stored in the first frame memory unit 153b to 157b Sorting, and then the next green G in FIG. 2 while the output field data to the liquid crystal display panel 120 and 130. Therefore, the frame memory 157b of the material sorting unit 153b accesses only one monochrome field data at a time, so that the memory capacity can be greatly reduced.
如圖7B所示，影像資料F亦可例如係依據預設順序R1 -G1 -B1 -R2 -G2 -B2 來輸入時序控制電路150b，當圖場資料R1 -G1 -B1 依序先輸入時序控制電路150b時，圖場資料R1 、G1 、B1 可暫存於資料排序單元153b的圖框記憶體157b中，接著，當下一紅色圖場資料R2 輸入時序控制電路150b時，資料排序單元153b可同時讀出先前所暫存的紅色圖場資料R1 ，而輸出紅色圖場資料R1 和R2 至液晶顯示面板120和130。同理，當綠色圖場資料G2 輸入時序控制電路150b時，亦可同時綠色圖場資料G1 和G2 至液晶顯示面板120和130。因此，資料排序單元153b的圖框記憶體157b可僅存取一個圖框資料(圖場資料R1 、G1 、B1 )，因而可大幅地減少記憶體容量。As shown in FIG. 7B, the image data F can also be input to the timing control circuit 150b, for example, according to a preset order R 1 -G 1 -B 1 -R 2 -G 2 -B 2 , when the field data R 1 -G 1 When -B 1 is first input to the timing control circuit 150b, the field data R 1 , G 1 , B 1 may be temporarily stored in the frame memory 157b of the data sorting unit 153b, and then, when the next red field data R 2 When the timing control circuit 150b is input, the material sorting unit 153b can simultaneously read the previously stored red field data R 1 and output the red field data R 1 and R 2 to the liquid crystal display panels 120 and 130. Similarly, when the green field data G 2 is input to the timing control circuit 150b, the green field data G 1 and G 2 can be simultaneously applied to the liquid crystal display panels 120 and 130. Therefore, the frame memory 157b of the material sorting unit 153b can access only one frame material (the field data R 1 , G 1 , B 1 ), and thus the memory capacity can be greatly reduced.
請參照圖8，其顯示依照本發明之第四實施例之色序型液晶顯示裝置的示意圖。相較於第一實施例，第四實施例的色序型液晶顯示裝置400可包含背光模組410、第一液晶顯示面板420、第二液晶顯示面板430、電路板440、時序控制電路450及第三液晶顯示面板460，液晶顯示面板420、430、460係堆疊設置，電路板440係電性連接於背光模組410、第一液晶顯示面板420、第二液晶顯示面板430及第三液晶顯示面板460，時序控制電路450係設置於電路板440上，用以驅動背光模組410、第一液晶顯示面板420、第二液晶顯示面板430及第三液晶顯示面板460。時序控制電路450可包含緩衝單元452和驅動控制器454，緩衝單元452係用以緩衝由至少一影像處理電路401所接收的第一影像資料、第二影像資料及第三影像資料。驅動控制器454係用以輸出第一影像資料於第一液晶顯示面板420、輸出第二影像資料於該第二液晶顯示面板430、輸出第三影像資料於第三液晶顯示面板460、以及驅動背光模組410、第一液晶顯示面板420、第二液晶顯示面板430及第三液晶顯示面板460。Referring to FIG. 8, there is shown a schematic diagram of a color sequential liquid crystal display device in accordance with a fourth embodiment of the present invention. Compared with the first embodiment, the color sequential liquid crystal display device 400 of the fourth embodiment may include a backlight module 410, a first liquid crystal display panel 420, a second liquid crystal display panel 430, a circuit board 440, a timing control circuit 450, and The third liquid crystal display panel 460, the liquid crystal display panels 420, 430, 460 are stacked, and the circuit board 440 is electrically connected to the backlight module 410, the first liquid crystal display panel 420, the second liquid crystal display panel 430, and the third liquid crystal display. The panel 460 is disposed on the circuit board 440 for driving the backlight module 410, the first liquid crystal display panel 420, the second liquid crystal display panel 430, and the third liquid crystal display panel 460. The timing control circuit 450 can include a buffer unit 452 and a driving controller 454. The buffer unit 452 is configured to buffer the first image data, the second image data, and the third image data received by the at least one image processing circuit 401. The driving controller 454 is configured to output first image data to the first liquid crystal display panel 420, output second image data to the second liquid crystal display panel 430, output third image data to the third liquid crystal display panel 460, and drive the backlight. The module 410, the first liquid crystal display panel 420, the second liquid crystal display panel 430, and the third liquid crystal display panel 460.
當進行第四實施例之用於色序型液晶顯示裝置400的立體影像顯示方法時，首先，利用時序控制電路450來接收第一影像資料、第二影像資料及第三影像資料。接著，根據第一影像資料、第二影像資料及第三影像資料，利用時序控制電路450來輸出第一單色圖場資料C1 至第一液晶顯示面板420，輸出第二單色圖場資料C2 至第二液晶顯示面板430，以及輸出第三單色圖場資料C3 至第三液晶顯示面板460，其中單色圖場資料C1 、C2 、C3 係依據預設色序所產生。接著，對應於單色圖場資料C1 、C2 、C3 ，控制背光模組410開啟光源，藉以依據預設色序來提供色光。When the stereoscopic image display method for the color sequential liquid crystal display device 400 of the fourth embodiment is performed, first, the first image data, the second image data, and the third image data are received by the timing control circuit 450. Then, according to the first image data, the second image data, and the third image data, the first monochrome field data C 1 is output to the first liquid crystal display panel 420 by using the timing control circuit 450, and the second monochrome field data is output. C 2 to the second liquid crystal display panel 430, and outputting the third monochrome field data C 3 to the third liquid crystal display panel 460, wherein the monochrome field data C 1 , C 2 , C 3 are based on the preset color sequence produce. Then, corresponding to the monochrome field data C 1 , C 2 , C 3 , the backlight module 410 is controlled to turn on the light source, thereby providing color light according to the preset color sequence.
在第四實施例中，第一、第二及第三影像資料可由單一或多個時序控制電路450所提供。時序控制電路450所提供的第一、第二及第三影像資料可為彩色圖框(Frame)資料，其可經由時序控制電路450來進行排序，並分割成單色圖場資料C1 、C2 、C3 。或者，影像處理電路401可分別預先對影像資料進行排序，並預先分割成單色圖場資料C1 、C2 、C3 ，再輸出至時序控制電路150a，亦即影像處理電路401所提供的第一、第二及第三影像資料為單色圖場資料C1 、C2 、C3 。再者，影像處理電路401所提供的單色圖場資料C1 、C2 、C3 亦可依一預設順序來交錯地輸出至時序控制電路450。In the fourth embodiment, the first, second, and third image materials may be provided by single or multiple timing control circuits 450. The first, second, and third image data provided by the timing control circuit 450 may be color frame data, which may be sorted by the timing control circuit 450 and divided into monochrome field data C 1 , C 2 , C 3 . Alternatively, the image processing circuit 401 can separately sort the image data in advance, and divide the image data into the monochrome field data C 1 , C 2 , and C 3 in advance, and output the image data to the timing control circuit 150 a, that is, the image processing circuit 401. The first, second and third image data are monochrome field data C 1 , C 2 , C 3 . Furthermore, the monochrome field data C 1 , C 2 , and C 3 provided by the image processing circuit 401 can also be alternately output to the timing control circuit 450 in a predetermined order.
由上述本發明的實施例可知，本發明的色序型液晶顯示裝置與立體影像顯示方法可形成3D立體影像效果，而無需使用彩色濾光片，且由於可僅使用單一電路板和單一時序控制電路來驅動二顯示面板，因而可降低製程成本，且較容易達成輸入/輸出之控制信號與影像信號的同步處理。It can be seen from the embodiments of the present invention that the color sequential liquid crystal display device and the stereoscopic image display method of the present invention can form a 3D stereoscopic image effect without using a color filter, and since only a single circuit board and a single timing control can be used. The circuit drives the two display panels, thereby reducing the process cost, and it is easier to achieve the synchronization processing of the input/output control signals and the image signals.
綜上所述，雖然本發明已用較佳實施例揭露如上，然其並非用以限定本發明，本發明所屬技術領域中具有通常知識者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。In view of the above, the present invention has been disclosed in the above preferred embodiments, and is not intended to limit the invention, and the present invention may be made without departing from the spirit and scope of the invention. Various modifications and refinements are made, and the scope of the present invention is defined by the scope of the appended claims.
C1 ．．．第一單色圖場資料C 1 . . . First monochrome field data
C2 ．．．第二單色圖場資料C 2 . . . Second monochrome field data
F1 ．．．第一影像資料F 1 . . . First image data
F2 ．．．第二影像資料F 2 . . . Second image data
F．．．影像資料F. . . video material
100、400．．．色序型液晶顯示裝置100, 400. . . Color sequential liquid crystal display device
110、400．．．背光模組110,400. . . Backlight module
120、400．．．第一液晶顯示面板120, 400. . . First liquid crystal display panel
121．．．第一偏光片121. . . First polarizer
122．．．第二偏光片122. . . Second polarizer
123．．．資料驅動器123. . . Data driver
124．．．閘極驅動器124. . . Gate driver
130、430．．．第二液晶顯示面板130, 430. . . Second liquid crystal display panel
131．．．第三偏光片131. . . Third polarizer
132．．．第四偏光片132. . . Fourth polarizer
133．．．資料驅動器133. . . Data driver
134．．．閘極驅動器134. . . Gate driver
140．．．電路板140. . . Circuit board
150、150a、150b、450．．．時序控制電路150, 150a, 150b, 450. . . Timing control circuit
151、151a、151b．．．資料傳輸介面151, 151a, 151b. . . Data transmission interface
152、152a、152b．．．緩衝單元152, 152a, 152b. . . Buffer unit
153、153b．．．資料排序單元153, 153b. . . Data sorting unit
154、154a、154b．．．驅動控制器154, 154a, 154b. . . Drive controller
155．．．第一圖框記憶體155. . . First frame memory
156．．．第二圖框記憶體156. . . Second frame memory
157b．．．圖框記憶體157b. . . Frame memory
200．．．系統端200. . . System side
201、201a．．．第一影像處理電路201, 201a. . . First image processing circuit
202、202a．．．第二影像處理電路202, 202a. . . Second image processing circuit
203、203a、203b．．．影像處理電路203, 203a, 203b. . . Image processing circuit
204、204a、205、205a、206b．．．輸出介面204, 204a, 205, 205a, 206b. . . Output interface
301．．．利用時序控制電路來接收第一影像資料和第二影像資料301. . . Receiving first image data and second image data by using a timing control circuit
302．．．輸出第一單色圖場資料至第一液晶顯示面板，且輸出第二單色圖場資料至第二液晶顯示面板302. . . Outputting the first monochrome field data to the first liquid crystal display panel, and outputting the second monochrome field data to the second liquid crystal display panel
303．．．對應於第一單色圖場資料和第二單色圖場資料，控制背光模組開啟光源303. . . Corresponding to the first monochrome field data and the second monochrome field data, controlling the backlight module to turn on the light source
401．．．影像處理電路401. . . Image processing circuit
460．．．第三液晶顯示面板460. . . Third liquid crystal display panel
為讓本發明之上述和其他目的、特徵、優點與實施例能更明顯易懂，所附圖式之詳細說明如下：The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.
圖1顯示依照本發明之第一實施例之色序型液晶顯示裝置的示意圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a view showing a color sequential liquid crystal display device in accordance with a first embodiment of the present invention.
圖2顯示依照本發明之第一實施例之色序型液晶顯示裝置的立體示意圖。2 is a perspective view showing a color sequential liquid crystal display device in accordance with a first embodiment of the present invention.
圖3A和圖3B顯示依照本發明之第一液晶顯示面板、第二液晶顯示面板、電路板及時序控制電路的剖面示意圖。3A and 3B are cross-sectional views showing a first liquid crystal display panel, a second liquid crystal display panel, a circuit board, and a timing control circuit in accordance with the present invention.
圖4A顯示依照本發明之第一實施例之時序控制電路的電路方塊圖。4A is a circuit block diagram showing a timing control circuit in accordance with a first embodiment of the present invention.
圖4B顯示依照本發明之一實施例之時序控制電路的電路方塊圖。4B shows a block diagram of a timing control circuit in accordance with an embodiment of the present invention.
圖5顯示依照本發明之立體影像顯示方法的方法流程圖。Figure 5 is a flow chart showing the method of the stereoscopic image display method in accordance with the present invention.
圖6A顯示依照本發明之第二實施例之時序控制電路的電路方塊圖。Figure 6A is a circuit block diagram showing a timing control circuit in accordance with a second embodiment of the present invention.
圖6B顯示依照本發明之另一實施例之時序控制電路的電路方塊圖。6B is a circuit block diagram of a timing control circuit in accordance with another embodiment of the present invention.
圖7A和7B顯示依照本發明之第三實施例之時序控制電路的電路方塊圖。7A and 7B are circuit block diagrams showing a timing control circuit in accordance with a third embodiment of the present invention.
圖8顯示依照本發明之第四實施例之色序型液晶顯示裝置的示意圖。Figure 8 is a view showing a color sequential liquid crystal display device in accordance with a fourth embodiment of the present invention.
100．．．色序型液晶顯示裝置100. . . Color sequential liquid crystal display device
110．．．背光模組110. . . Backlight module
120．．．第一液晶顯示面板120. . . First liquid crystal display panel
130．．．第二液晶顯示面板130. . . Second liquid crystal display panel
140．．．電路板140. . . Circuit board
150．．．時序控制電路150. . . Timing control circuit
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| TW200809724A (en) * | 2006-08-04 | 2008-02-16 | Himax Display Inc | Controlling module and method for LED in color sequential LCOS display system |
| TW200818091A (en) * | 2006-10-14 | 2008-04-16 | Au Optronics Corp | System and driving method for color sequencial liquid crystal display (LCD) |
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| US20050231453A1 (en) * | 2004-04-16 | 2005-10-20 | Lg.Philips Lcd Co. Ltd. | Field sequential color mode liquid crystal display device and method of driving the same |
| TW200809724A (en) * | 2006-08-04 | 2008-02-16 | Himax Display Inc | Controlling module and method for LED in color sequential LCOS display system |
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