TW201915990A - Display driving device capable of achieving the functions of low complexity and low cost by connecting a plurality of the display driving devices in series to control more LED display units - Google Patents
Display driving device capable of achieving the functions of low complexity and low cost by connecting a plurality of the display driving devices in series to control more LED display units Download PDFInfo
- Publication number
- TW201915990A TW201915990A TW106133885A TW106133885A TW201915990A TW 201915990 A TW201915990 A TW 201915990A TW 106133885 A TW106133885 A TW 106133885A TW 106133885 A TW106133885 A TW 106133885A TW 201915990 A TW201915990 A TW 201915990A
- Authority
- TW
- Taiwan
- Prior art keywords
- display
- data
- emitting diode
- driving device
- light
- Prior art date
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
Description
本發明是有關於一種顯示驅動裝置,特別是指一種用於驅動發光二極體顯示單元的顯示驅動裝置。The invention relates to a display driving device, in particular to a display driving device for driving a light-emitting diode display unit.
習知的發光二極體顯示幕(例如:數位看板)包含多個發光二極體顯示單元,每一個發光二極體顯示單元包含一個恆流驅動晶片、一個X通道行管晶片、及一個發光二極體陣列,X=2K ,該發光二極體陣列包括X乘以Y個發光二極體,X、K、及Y都是正整數。該等發光二極體顯示單元需要藉由一個電腦主機的一個視頻卡,將視頻資料經由數位視訊介面(Digital Visual Interface;DVI)連接線傳送至一個發光二極體(LED)發送卡(Sending Card),且將參數資料經由通用序列匯流排(Universal Serial Bus;USB)連接線傳送至該發光二極體發送卡。該發光二極體發送卡對該視頻資料作視頻轉換之後,再將轉換後的資料傳送到多個串接的發光二極體接收卡(Receiving Card),以進行圖像處理,再分別對應控制多個發光二極體顯示單元正確地發光。然而,當這種習知的發光二極體顯示幕的螢幕尺寸較大時,常常會需要使用到一張以上的發光二極體發送卡,及大量的發光二極體接收卡,例如幾十張或上百張的發光二極體接收卡。由於這些發送卡及接收卡的成本不低,加上裝置之間的電源線路、通用序列匯流排連接線路、數位視訊介面連接線路、及發光二極體發送卡之間的網路連接線路等的數量變多而變得更為複雜,因而成為一個待解決的問題。The conventional light-emitting diode display screen (for example, digital signage) includes a plurality of light-emitting diode display units, and each light-emitting diode display unit includes a constant current driving chip, an X-channel transistor chip, and a light Diode array, X = 2 K , the light-emitting diode array includes X times Y light-emitting diodes, X, K, and Y are positive integers. The light-emitting diode display units need to send video data to a light-emitting diode (LED) sending card (Sending Card) through a digital video interface (Digital Visual Interface; DVI) cable through a video card of a computer host ), And transmit the parameter data to the light-emitting diode sending card via a universal serial bus (USB) cable. The light emitting diode sending card performs video conversion on the video data, and then transmits the converted data to a plurality of light emitting diode receiving cards (Receiving Card) connected in series for image processing, and then respectively controls The plurality of light-emitting diode display units emit light correctly. However, when the screen size of this conventional light-emitting diode display is large, it is often necessary to use more than one light-emitting diode sending card and a large number of light-emitting diode receiving cards, such as dozens One or hundreds of light-emitting diode receiving cards. Because the cost of these sending cards and receiving cards is not low, plus the power lines between the devices, the universal serial bus connection line, the digital video interface connection line, and the network connection line between the light emitting diode transmission cards, etc. As the number increases, it becomes more complicated, so it becomes a problem to be solved.
因此,本發明的目的,即在提供一種低複雜度且低成本的顯示驅動裝置。Therefore, the object of the present invention is to provide a display driving device with low complexity and low cost.
於是,本發明顯示驅動裝置,適用於電連接一個包括一個視頻卡的電腦主機,及一個發光二極體顯示單元,並包含一個高解析度多媒體介面(High Definition Multimedia Interface;HDMI)輸入接口,及一個核心單元。Therefore, the display driving device of the present invention is suitable for electrically connecting a computer host including a video card, and a light-emitting diode display unit, and includes a High Definition Multimedia Interface (HDMI) input interface, and A core unit.
該高解析度多媒體介面輸入接口電連接該電腦主機的該視頻卡。該核心單元電連接該高解析度多媒體介面輸入接口,以接收一個來自該視頻卡的顯示輸入資料,該顯示輸入資料包括相關於該發光二極體顯示單元的一個參數資料及一個視頻資料。該核心單元根據該參數資料將該視頻資料作視頻轉換,以產生一個符合該發光二極體顯示單元的輸入格式的顯示輸出資料,再將該顯示輸出資料傳送至該發光二極體顯示單元。The high-resolution multimedia interface input interface is electrically connected to the video card of the computer host. The core unit is electrically connected to the high-resolution multimedia interface input interface to receive a display input data from the video card. The display input data includes a parameter data and a video data related to the light-emitting diode display unit. The core unit converts the video data according to the parameter data to generate a display output data conforming to the input format of the light emitting diode display unit, and then transmits the display output data to the light emitting diode display unit.
在一些實施態樣中,該發光二極體顯示單元包含一個恆流驅動晶片、一個X通道行管晶片、及一個發光二極體陣列,X=2K ,該發光二極體陣列包括X乘以Y個發光二極體,X、K、及Y是正整數,其中,該顯示輸出資料包括K個列控制信號、一個資料信號、一個時鐘信號、一個栓鎖致能信號、及一個輸出致能信號,該核心單元將該K個列控制信號傳送至該X通道行管晶片,並將該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號傳送至該恆流驅動晶片。In some embodiments, the light-emitting diode display unit includes a constant current driving chip, an X-channel transistor chip, and a light-emitting diode array, X = 2 K , the light-emitting diode array includes X times With Y light emitting diodes, X, K, and Y are positive integers, where the display output data includes K column control signals, a data signal, a clock signal, a latch enable signal, and an output enable Signal, the core unit transmits the K column control signals to the X-channel row transistor chip, and transmits the data signal, the clock signal, the latch enable signal, and the output enable signal to the constant current drive Wafer.
在一些實施態樣中,其中,該參數資料包含該發光二極體陣列所包括的發光二極體的數量、串接方式、及偏壓大小等資訊。In some embodiments, the parameter data includes information on the number, series connection, and bias voltage of the light-emitting diodes included in the light-emitting diode array.
在一些實施態樣中,該顯示驅動裝置還包含一個電連接該核心單元的高解析度多媒體介面輸出接口。當N個發光二極體顯示單元需要藉由M個顯示驅動裝置才能正確顯示對應該視頻資料的視頻內容時,該M個顯示驅動裝置依序串接且定義為一個第一顯示驅動裝置、一個第二顯示驅動裝置...、及一個第M顯示驅動裝置。該第一顯示驅動裝置經由該第一顯示驅動裝置的該高解析度多媒體介面輸入接口接收該顯示輸入資料,且該第i顯示驅動裝置將該顯示輸入資料經由該第i顯示驅動裝置的該高解析度多媒體介面輸出接口及該第i+1顯示驅動裝置的該高解析度多媒體介面輸入接口傳送至該第i+1顯示驅動裝置的該核心單元,其中,N及M都是正整數且N大於等於M,i=1、2...、M-1。In some embodiments, the display driving device further includes a high-resolution multimedia interface output interface electrically connected to the core unit. When the N light-emitting diode display units require M display drive devices to correctly display the video content corresponding to the video data, the M display drive devices are connected in series and defined as a first display drive device and a The second display drive device ..., and an Mth display drive device. The first display driving device receives the display input data through the high-resolution multimedia interface input interface of the first display driving device, and the i-th display driving device passes the display input data through the high-resolution of the i-th display driving device The resolution multimedia interface output interface and the high-resolution multimedia interface input interface of the i + 1th display drive device are transmitted to the core unit of the i + 1th display drive device, where N and M are both positive integers and N is greater than Equal to M, i = 1, 2 ..., M-1.
在另一些實施態樣中,該顯示驅動裝置還包含一個緩衝器,該緩衝器電連接於該核心單元及該發光二極體顯示單元之間,並包括K+4個輸入端以分別接收該K個列控制信號、該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號,且還包括K+4個輸出端,以將所接收的信號放大,以增強其驅動能力,而將放大後的該K個列控制信號傳送至該X通道行管晶片,且將放大後的該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號傳送至該恆流驅動晶片。In other embodiments, the display driving device further includes a buffer, the buffer is electrically connected between the core unit and the light-emitting diode display unit, and includes K + 4 input terminals to receive the K column control signals, the data signal, the clock signal, the latch enable signal, and the output enable signal, and also includes K + 4 output terminals to amplify the received signal to enhance its driving Ability to transmit the amplified K column control signals to the X-channel row transistor chip, and transmit the amplified data signal, the clock signal, the latch enable signal, and the output enable signal to This constant current drives the wafer.
在一些實施態樣中,其中,該核心單元包括一個積體電路匯流排(Inter-Integrated Circuit;I2 C)介面,以接收來自該電腦主機的該視頻卡的該參數資料。In some embodiments, the core unit includes an integrated circuit bus (Inter-Integrated Circuit; I 2 C) interface to receive the parameter data from the video card of the computer host.
在一些實施態樣中,該顯示驅動裝置還包含一個電源模組,以提供該核心單元的運作電源。In some embodiments, the display driving device further includes a power module to provide the operating power of the core unit.
本發明的功效在於:該顯示驅動裝置的該核心單元藉由該高解析度多媒體介面輸入接口採用HDMI傳輸線接收來自該視頻卡的該參數資料及該視頻資料,使得整體的該電腦主機、該顯示驅動裝置、該發光二極體顯示單元之間的連接線路變得更為簡單,尤其在需要採用多個顯示驅動裝置時,其效果更為顯著,且其製造成本也低於習知的發送卡及接收卡,因而能達成本案的功效。The function of the present invention lies in that the core unit of the display driving device receives the parameter data and the video data from the video card through the high-resolution multimedia interface input interface through the HDMI transmission line, so that the overall computer host and the display The connection circuit between the driving device and the light-emitting diode display unit becomes simpler, especially when multiple display driving devices are required, the effect is more significant, and the manufacturing cost is lower than that of the conventional sending card And receive the card, so it can achieve the effect of cost.
在本發明被詳細描述之前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same number.
參閱圖1,本發明顯示驅動裝置1的一個實施例,適用於電連接一個包括一個視頻卡21的電腦主機2,及一個發光二極體顯示單元9。該發光二極體顯示單元9包含一個恆流驅動晶片92、一個X通道行管晶片91、及一個發光二極體陣列,X=2K ,該發光二極體陣列包括X乘以Y個發光二極體931~934、941~944、951~954、961~964,X、K、及Y是正整數。要特別強調的是:在本實施例中,為方便說明起見,以X=4,K=2,Y=4為例作說明,但在其他實施例中,X、Y、K也可以是其他數值,例如:K=3、X=8、Y=5,不在此限。Referring to FIG. 1, an embodiment of the display driving device 1 of the present invention is suitable for electrically connecting a computer host 2 including a video card 21 and a light-emitting diode display unit 9. The light emitting diode display unit 9 includes a constant current driving chip 92, an X channel tube chip 91, and a light emitting diode array, X = 2K , the light emitting diode array includes X times Y light emitting Diodes 931 ~ 934, 941 ~ 944, 951 ~ 954, 961 ~ 964, X, K, and Y are positive integers. It should be particularly emphasized that in this embodiment, for convenience of explanation, X = 4, K = 2, and Y = 4 are taken as examples for illustration, but in other embodiments, X, Y, and K may also be Other values, such as K = 3, X = 8, Y = 5, are not limited to this.
該顯示驅動裝置1包含一個高解析度多媒體介面(High Definition Multimedia Interface;HDMI)輸入接口13、一個核心單元11、一個高解析度多媒體介面(HDMI)輸出接口14、一個緩衝器12、及一個電源模組15。The display driving device 1 includes a High Definition Multimedia Interface (HDMI) input interface 13, a core unit 11, a High Resolution Multimedia Interface (HDMI) output interface 14, a buffer 12, and a power supply Module 15.
該高解析度多媒體介面輸入接口13電連接該電腦主機2的該視頻卡21,及該核心單元11。該高解析度多媒體介面輸出接口14電連接該核心單元11。該緩衝器12電連接於該核心單元11及該發光二極體顯示單元9之間。該電源模組提供該核心單元11的運作電源。The high-resolution multimedia interface input interface 13 is electrically connected to the video card 21 of the computer host 2 and the core unit 11. The high-resolution multimedia interface output interface 14 is electrically connected to the core unit 11. The buffer 12 is electrically connected between the core unit 11 and the light-emitting diode display unit 9. The power module provides the operating power of the core unit 11.
該核心單元11經由該高解析度多媒體介面輸入接口13,接收一個來自該視頻卡21的顯示輸入資料。該顯示輸入資料包括相關於該發光二極體顯示單元9的一個參數資料及一個視頻資料。該核心單元11根據該參數資料將該視頻資料作視頻轉換,以產生一個符合該發光二極體顯示單元9的輸入格式的顯示輸出資料,再將該顯示輸出資料傳送至該發光二極體顯示單元9。The core unit 11 receives a display input data from the video card 21 via the high-resolution multimedia interface input interface 13. The display input data includes a parameter data and a video data related to the LED display unit 9. The core unit 11 converts the video data according to the parameter data to generate a display output data conforming to the input format of the light emitting diode display unit 9, and then transmits the display output data to the light emitting diode display Unit 9.
更詳細地說,該核心單元包括多個功能模組,例如:一個高解析度多媒體介面(HDMI)接收模組(Receiver)、一個高解析度多媒體介面(HDMI)傳送模組(Transmitter)、一個伽瑪校正模組(GAMMA)、一個記憶體控制模組(DDR Controller)、一個發光二極體控制模組(LED Controller)等等。其中,該高解析度多媒體介面接收模組負責解析視頻資料及島嶼資料包(Data Island),並將視頻資料傳輸至下一級(即伽瑪校正模組)。該高解析度多媒體介面傳送模組負責將視頻資料及島嶼資料包以自定義島嶼資料包按照HDMI協議發送。該伽瑪校正模組將接收的資料,對圖像的伽瑪曲線調整,以對圖像進行非線性色調編輯的方法,檢出圖像信號中的深色部分及淺色部分,並使兩者比例增大,從而提高圖像對比效果。該記憶體控制模組接收該伽瑪校正模組的處理結果,並負責將幀圖像存入記憶體(DDR),並按需要的格式讀取出來。該發光二極體控制模組接收該記憶體控制器所讀取的資料,並負責按發光二極體顯示單元9定義的總線協議方式發送控制信號和圖形資料。More specifically, the core unit includes multiple functional modules, such as: a high-resolution multimedia interface (HDMI) receiver module (Receiver), a high-resolution multimedia interface (HDMI) transmitter module (Transmitter), a Gamma correction module (GAMMA), a memory control module (DDR Controller), a light emitting diode control module (LED Controller), etc. Among them, the high-resolution multimedia interface receiving module is responsible for parsing video data and island data packets (Data Island), and transmitting the video data to the next level (that is, the gamma correction module). The high-resolution multimedia interface transmission module is responsible for sending video data and island data packets as custom island data packets according to the HDMI protocol. The gamma correction module adjusts the gamma curve of the image received by the received data to perform non-linear tone editing on the image, and detects the dark part and the light part in the image signal, and makes the two The proportion of the person increases, thereby improving the image contrast effect. The memory control module receives the processing result of the gamma correction module and is responsible for storing the frame image in the memory (DDR) and reading it out in a required format. The light-emitting diode control module receives the data read by the memory controller and is responsible for sending control signals and graphic data according to the bus protocol defined by the light-emitting diode display unit 9.
更詳細地說,該參數資料包含該發光二極體陣列所包括的發光二極體931~934、941~944、951~954、961~964的數量、串接方式、及偏壓大小等資訊。該顯示輸出資料包括K個列控制信號、一個資料信號(Data)、一個時鐘信號(CLK)、一個栓鎖致能信號(LE)、及一個輸出致能信號(OE)。該核心單元11將該K個列控制信號傳送至該X通道行管晶片91,並將該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號傳送至該恆流驅動晶片92。另外要補充說明的是:該恆流驅動晶片92是目前市場上已經存在的晶片商品,其接收該資料信號(Data)、該時鐘信號(CLK)、個栓鎖致能信號(LE)、及該輸出致能信號(OE)的控制,而能使該發光二極體陣列正常地發光。In more detail, the parameter data includes the number of LEDs 931 ~ 934, 941 ~ 944, 951 ~ 954, 961 ~ 964 included in the LED array, series connection method, bias voltage and other information . The display output data includes K column control signals, a data signal (Data), a clock signal (CLK), a latch enable signal (LE), and an output enable signal (OE). The core unit 11 transmits the K column control signals to the X-channel row transistor chip 91, and transmits the data signal, the clock signal, the latch enable signal, and the output enable signal to the constant current drive片 92。 Wafer 92. In addition, it should be added that the constant current driver chip 92 is a chip product that currently exists on the market, and it receives the data signal (Data), the clock signal (CLK), a latch enable signal (LE), and The control of the output enable signal (OE) enables the light emitting diode array to emit light normally.
該緩衝器12包括K+4個輸入端以分別接收該K個列控制信號、該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號,且還包括K+4個輸出端,以將所接收的信號放大,以增強其驅動能力,而將放大後的該K個列控制信號傳送至該X通道行管晶片91,且將放大後的該資料信號、該時鐘信號、該栓鎖致能信號、及該輸出致能信號傳送至該恆流驅動晶片。在本實施例中,K=2,X=4,而在其他實施例中,K及X可以為其他數值,例如當K=3,X=8時,該緩衝器12可以是一個74HC245緩衝器,以對應八通道行管晶片,且其輸入端的電位為3.3伏特,其輸出端的電位為5伏特。The buffer 12 includes K + 4 input terminals to receive the K column control signals, the data signal, the clock signal, the latch enable signal, and the output enable signal, respectively, and further includes K + 4 The output end is used to amplify the received signal to enhance its driving ability, and the amplified K column control signals are transmitted to the X-channel row transistor chip 91, and the amplified data signal and the clock signal are transmitted , The latch enable signal and the output enable signal are transmitted to the constant current driving chip. In this embodiment, K = 2, X = 4, and in other embodiments, K and X may be other values, for example, when K = 3, X = 8, the buffer 12 may be a 74HC245 buffer , Corresponding to the eight-channel row tube chip, and the potential at the input end is 3.3 volts, and the potential at the output end is 5 volts.
此外,在本實施例中,該核心單元11包括一個積體電路匯流排(Inter-Integrated Circuit;I2 C)介面111,以接收來自該電腦主機2的該視頻卡21的該參數資料。也就是說,該核心單元11也可以不經由該高解析度多媒體介面輸入接口13接收該參數資料,而改由該積體電路匯流排介面111接收來自該視頻卡21的該參數資料。而在其他實施例中,該積體電路匯流排介面111也可以省略,該核心單元11經由該高解析度多媒體介面輸入接口13接收該參數資料。In addition, in this embodiment, the core unit 11 includes an integrated circuit bus (Inter-Integrated Circuit; I 2 C) interface 111 to receive the parameter data from the video card 21 of the computer host 2. In other words, the core unit 11 may not receive the parameter data via the high-resolution multimedia interface input interface 13 but instead receive the parameter data from the video card 21 by the integrated circuit bus interface 111. In other embodiments, the integrated circuit bus interface 111 can also be omitted, and the core unit 11 receives the parameter data via the high-resolution multimedia interface input interface 13.
另外要特別補充說明的是:在本實施例中,該顯示驅動裝置1只有驅動一個發光二極體顯示單元9是為了方便說明起見,實際上,該顯示驅動裝置1也可以驅動多個發光二極體顯示單元9,此由該核心單元11所能輸出的信號數量而決定,不在此限。In addition, it should be particularly noted that in this embodiment, the display driving device 1 only drives one light emitting diode display unit 9 for convenience of description. In fact, the display driving device 1 can also drive multiple light emitting devices. The diode display unit 9 is determined by the number of signals that the core unit 11 can output, and is not limited to this.
再者,當一個發光二極體顯示幕的螢幕尺寸較大時,即該發光二極體顯示幕包含多個發光二極體顯示單元9,且無法僅由一個本案的顯示驅動裝置1驅動所有的該等發光二極體顯示單元9時。假設共有N個發光二極體顯示單元9需要藉由M個顯示驅動裝置1才能正確顯示對應該視頻資料的視頻內容時。該M個顯示驅動裝置1依序串接且定義為一個第一顯示驅動裝置、一個第二顯示驅動裝置...、及一個第M顯示驅動裝置。該第一顯示驅動裝置經由該第一顯示驅動裝置的該高解析度多媒體介面輸入接口13接收該顯示輸入資料,且該第i顯示驅動裝置將該顯示輸入資料經由該第i顯示驅動裝置的該高解析度多媒體介面輸出接口14及該第i+1顯示驅動裝置的該高解析度多媒體介面輸入接口13傳送至該第i+1顯示驅動裝置的該核心單元11,其中,N及M都是正整數且N大於等於M,i=1、2...、M-1。Furthermore, when the screen size of a light-emitting diode display screen is large, that is, the light-emitting diode display screen includes a plurality of light-emitting diode display units 9, and it cannot be driven by only one display driving device 1 in this case The light-emitting diode display unit 9 hours. Suppose that a total of N light-emitting diode display units 9 require M display drive devices 1 to correctly display the video content corresponding to the video data. The M display drive devices 1 are connected in series and defined as a first display drive device, a second display drive device ..., and an M-th display drive device. The first display driving device receives the display input data via the high-resolution multimedia interface input interface 13 of the first display driving device, and the i-th display driving device passes the display input data via the i The high-resolution multimedia interface output interface 14 and the high-resolution multimedia interface input interface 13 of the i + 1th display driving device are transmitted to the core unit 11 of the i + 1th display driving device, where N and M are both positive Integer and N greater than or equal to M, i = 1, 2 ..., M-1.
綜上所述,該顯示驅動裝置1的該核心單元11藉由該高解析度多媒體介面輸入接口13採用HDMI傳輸線接收來自該視頻卡21的該參數資料及該視頻資料,使得整體的該電腦主機2、該顯示驅動裝置1、該發光二極體顯示單元9之間的連接線路變得更為簡單。尤其在需要採用多個顯示驅動裝置1時,再加上藉由該高解析度多媒體介面輸出接口14作為串接,更能凸顯本案連接線路較為簡單的效果,再加上該顯示驅動裝置1的製造成本也低於習知的發送卡及接收卡,故確實能達成本發明的目的。In summary, the core unit 11 of the display driving device 1 uses the high-resolution multimedia interface input interface 13 to receive the parameter data and the video data from the video card 21 through the HDMI transmission line, so that the overall computer host 2. The connection circuit between the display driving device 1 and the light-emitting diode display unit 9 becomes simpler. Especially when multiple display drive devices 1 need to be used, and the high-resolution multimedia interface output interface 14 is used as a serial connection, the effect of the simpler connection circuit in this case can be highlighted, and the display drive device 1 The manufacturing cost is also lower than the conventional sending card and receiving card, so it can indeed achieve the purpose of cost invention.
惟以上所述者,僅為本發明的實施例而已,當不能以此限定本發明實施的範圍,凡是依本發明申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾,皆仍屬本發明專利涵蓋的範圍內。However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.
1‧‧‧顯示驅動裝置1‧‧‧Display drive device
11‧‧‧核心單元11‧‧‧Core unit
111‧‧‧I2C介面111‧‧‧I 2 C interface
12‧‧‧緩衝器12‧‧‧Buffer
13‧‧‧HDMI輸入接口13‧‧‧HDMI input interface
14‧‧‧HDMI輸出接口14‧‧‧HDMI output interface
15‧‧‧電源模組15‧‧‧Power Module
2‧‧‧電腦主機2‧‧‧computer host
21‧‧‧視頻卡21‧‧‧Video card
9‧‧‧發光二極體顯示單元9‧‧‧ LED display unit
91‧‧‧四通道行管晶片91‧‧‧Four channel tube chip
92‧‧‧恆流驅動晶片92‧‧‧Constant current driver chip
931~934‧‧‧發光二極體931 ~ 934‧‧‧ LED
941~944‧‧‧發光二極體941 ~ 944‧‧‧ LED
951~954‧‧‧發光二極體951 ~ 954‧‧‧ LED
961~964‧‧‧發光二極體 961 ~ 964‧‧‧ LED
本發明的其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是一方塊圖,說明本發明顯示驅動裝置的一實施例。Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a block diagram illustrating an embodiment of the display driving device of the present invention.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW106133885A TWI650746B (en) | 2017-09-30 | 2017-09-30 | Display driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW106133885A TWI650746B (en) | 2017-09-30 | 2017-09-30 | Display driver |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI650746B TWI650746B (en) | 2019-02-11 |
TW201915990A true TW201915990A (en) | 2019-04-16 |
Family
ID=66213941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW106133885A TWI650746B (en) | 2017-09-30 | 2017-09-30 | Display driver |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI650746B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102054469A (en) * | 2009-11-04 | 2011-05-11 | 联想(北京)有限公司 | Display and display method thereof |
CN103745683B (en) * | 2013-09-27 | 2016-09-21 | 中傲智能科技(苏州)有限公司 | LED display control system based on HDMI |
CN204143840U (en) * | 2014-09-15 | 2015-02-04 | 深圳市云智科技有限公司 | A kind of LED display control system |
KR102370717B1 (en) * | 2015-12-31 | 2022-03-04 | 엘지디스플레이 주식회사 | Organic light emitting diode display device |
-
2017
- 2017-09-30 TW TW106133885A patent/TWI650746B/en active
Also Published As
Publication number | Publication date |
---|---|
TWI650746B (en) | 2019-02-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8314763B2 (en) | Display device transferring data signal with clock | |
JP5670916B2 (en) | Multi-monitor display | |
US8179984B2 (en) | Multifunctional transmitters | |
CN101015180B (en) | Link extender | |
KR100861769B1 (en) | Digital image transmission system transmitting digital image data | |
CN109961731B (en) | Data line driving circuit, display driving circuit and method for driving display | |
CN111063287B (en) | Display control system | |
KR100869702B1 (en) | Digital image system transmitting digital image data | |
JP3874357B2 (en) | Data transmitting apparatus, data receiving apparatus, data transmitting / receiving apparatus, and data transmitting / receiving method | |
US9361842B2 (en) | Display panel driving apparatus and display apparatus having the same | |
KR20160053600A (en) | Display driver ic and electronic device including display driver ic | |
WO2019205236A1 (en) | Driving apparatus, driving method and display system | |
CN111063285B (en) | Display control system and display unit board | |
US20160284312A1 (en) | Display device and sensing device | |
JP2005516511A (en) | Digital video processing device | |
CN117765859A (en) | Display driver integrated circuit and display device including the same | |
JP4195429B2 (en) | Serial protocol panel display system, source driver, and gate driver | |
TWI650746B (en) | Display driver | |
TW201316310A (en) | Display device and drive method of the same | |
JP6465583B2 (en) | Timing controller and display device using the same | |
US8509591B2 (en) | Transmission apparatus, reception apparatus, and transmission method | |
JP2008228041A (en) | Signal transmitter and transmission module | |
CN206389459U (en) | Display drive apparatus and display device | |
CN114512088A (en) | Image display device | |
CN216980094U (en) | Signal processing system and display system applied to LED display equipment |