TWI792935B - Intelligent power drive device and splicing display system thereof - Google Patents

Abstract

The invention relates to an intelligent power driving device and a splicing display thereof. The driving device includes a decoder, a power controller, a data selector ,and a data buffer. The splicing display system includes the driving device, a control unit, a power supply unit, and a splicing display. The control unit generates the corresponding data packet signal according to a frame to be displayed on the splicing display. The power supply unit is connected to the control unit and the driving device. The driving device uses the decoder to parse a display data and a selection data from a data packet. The driving device transmits the power of the power supply unit through the power controller to one or more of the array display units that need to output images according to the selection data, and send the display data to one or more array display units that need to receive power. so as to achieve the effect of intelligent power saving and power supply.

Description

Driving device of intelligent power supply and its splicing display system

The invention relates to a splicing display, especially to a splicing display system of a driving device for an intelligent power supply of the splicing display, so as to achieve the effect of intelligent power saving.

In recent years, the use of splicing displays has become quite common, such as: bus stop signs, advertising billboards, or bus information display screens, etc. As the name implies, splicing displays are composed of multiple LCD panels or light-emitting diodes...etc. In terms of liquid crystal panels or light-emitting diode display panels, according to different usage requirements, they can be used as a single display, spliced into a super-large display, and can also be displayed in straight rows, horizontal columns, or any combination of splicing.

Please refer to Figure 1, the splicing display 1 is connected to the power supply unit 3 and the control unit 2, and the control unit 2 is also connected to the power supply unit 3, please refer to Figure 2, and the splicing display 1 is provided with multiple display units 10. Each display unit 10 includes a light-emitting array unit 100 and an array connection device 101, and each light-emitting array unit 100 is composed of a plurality of light-emitting elements (for example: LED, IC-LED, Mini LED, Micro LED) arranged in an array , each array connection device 101 is respectively provided with a power receiving unit 1010 and a display data receiving unit 1012, wherein the power receiving unit 1010 includes a first electrode part 10100 and a second electrode part 10101, and all the first electrode parts 10100 are connected to together, and all the second electrode parts 10101 are connected together, and then connected to the power supply unit 3, and each display data receiving unit 1012 is connected Connected to the control unit 2, so that the power supply unit 3 keeps providing power to each array connection device 101, and the control unit 2 provides the display data required by each display data receiving unit 1012.

However, there are some problems in the splicing display, for example: the power supply unit 3 and the control unit 2 need to occupy a considerable installation space, in addition, even if there are any one or more LED arrays that do not need to display and output any pictures, the power supply The unit 3 needs to keep providing power to each array connection device 101, causing unnecessary power consumption. Although the power supply unit 3 and the control unit 2 need to occupy a considerable installation space, the power supply unit 3 and the control unit 2 are necessary and indispensable. Therefore, the first problem to be solved at present is to reduce unnecessary power loss, and then can To achieve the goal of energy saving and carbon reduction.

In view of the problems in the prior art, the purpose of the present invention is to change the way the power supply unit provides each array connection device, and change the way the control unit transmits to the array connection device, so as to reduce power loss.

According to the purpose of the present invention, provide a kind of driving device, comprise decoder, power controller, data selector and data buffer, decoder connects power controller and data selector, and decoder receives the data packet signal from control unit , and analyze the selection data and display data from the data packet signal, and send the selection data to the power controller and the data selector. The power controller has a plurality of power channels, and the power controller outputs the display screen according to the selection data. One or more of the power channels, and the data selector is connected to the data buffer, the data buffer has a plurality of final data output terminals, and the data selector decides to open one or more of the data buffers according to the selected data The final data output terminal transmits the display data to the data buffer first, and then transmits the display data to the opened final data output terminal after the signal is enhanced in the data buffer.

Wherein, the drive device also includes a first power input terminal and a drive ground terminal, and the first power input terminal and the drive ground terminal provide a connection power supply unit for receiving the power supply unit to provide a decoder, a power controller, a data selector and a data The power required for the operation of the buffer.

Wherein, the decoder also includes a data receiving end, a selection data output end and a display data output end, wherein the data receiving end receives data packet signals, the selection data output end outputs selection data, and the display data output end outputs display data.

Wherein, the power controller also includes a second power input terminal and a first selection data input terminal, the second power input terminal is connected to the power supply unit to receive the power provided by the power supply unit, and the first selection data input terminal is connected to the selection data output end, so that the power controller opens the power channel that needs to output the display screen according to the selected data.

Wherein, the data selector also includes a second selection data input terminal, a first display data receiving terminal and a first display data output terminal, the second selection data input terminal is connected to the selection data output terminal, so that the data selector starts data buffering according to the selection data The device and the data output terminal that needs to output the display screen. The first display data receiving end provides for receiving display data, and the first display data output end provides for transmitting display data to the data buffer, so that the data buffer outputs display data from the final data output end that is turned on.

According to the purpose of the present invention, a splicing display system is provided, including a splicing display control unit, a power supply unit and the aforementioned driving device, wherein the splicing display includes a plurality of array display units, and each array display unit includes a light-emitting array unit and an array connection device And the light-emitting array unit of the same array display unit is connected to the array connection device, the driving device is connected to the splicing display, the control unit and the power supply unit, and the control unit generates a data packet signal according to the information of each array display unit that needs to output the screen, The power supply unit is connected to the control unit and the drive device, and the drive device analyzes the display data and selection data from the data packet signal to enable the connection status between one or more array connection devices that need to output the screen and the power supply unit according to the selection data, and The power is transmitted to each array display unit that needs to output images through one or more of the array connection devices that are enabled, and the driving device sends display data to the one or more of the array connection devices that are enabled. In this way, only the array display units that need to output images will receive the power of the power supply unit, and the array display units that do not need to output images will not receive the power of the power supply unit, thereby reducing unnecessary power consumption.

Wherein, the power supply unit includes a first ground terminal, a second ground terminal, a third ground terminal, a first power supply terminal, a second power supply terminal and a third power supply terminal, and each array connection device includes a power receiving part and a final data receiver. Each power receiving part includes a third power input terminal and a fourth ground terminal. The first ground terminal and the first power supply terminal are connected to the control unit, so that the power supply unit supplies the power required by the control unit, and the second ground terminal and the second power supply terminal are connected to the drive device, so that the power supply unit supplies the power inside the drive device For the power required by each functional component (decoder, power controller, data selector and data buffer), the third ground terminal is connected to the fourth ground terminal provided by each array connection device, and each power output terminal is connected to one of the first Three power input terminals, the third power supply terminal is connected to the power controller in the drive device, and according to the selection data, the power channel of each array connection device that needs to output images is opened, so that the power supply unit supplies power to each array connection device.

Among them, the light-emitting array unit is composed of a plurality of light-emitting elements arranged in an array, and the light-emitting elements can be light-emitting diodes (LEDs), IC-LEDs, mini light-emitting diodes (Mini LEDs) or micro light-emitting diodes (Micro light-emitting diodes). LED).

To sum up, the drive device is connected to each array connection device, control unit, and power supply unit, so that the drive device determines which channels between the array connection device and the power supply unit need to be opened through the data packet signal of the control unit, and does not need to be The opened channel between the array connection device and the power supply unit is closed to save power.

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

The present invention is a driving device. Referring to FIG. 3 , the driving device 4 includes a decoder 40 , a power controller 42 , a data selector 44 and a data buffer 46 . The decoder 40 receives the data packet signal, and parses the selection data and display data from the data packet signal. The power controller 42 is provided with a plurality of power output terminals 424, and the data selector 44 is connected to the data buffer 46, and the data buffer 46 is provided with a plurality of final data output terminals 460 . The decoder 40 is also connected to the power controller 42 and the data selector 44 , and transmits the selection data to the power controller 42 and the data selector 44 , and transmits the display data to the data selector 44 .

When the power controller 42 receives the selection data, the power controller 42 can turn on one or more power output terminals 424 that need to output display images according to the selection data, and output power through one or more power output terminals 424 . And when the data selector 44 receives the selection data, the data selector 44 opens the data buffer 46 and at least one or more final data output terminals 460 of the output display screen according to the selection data, and the display data is first sent to The data buffer 46 transmits the display data to the final data output terminal 460 that needs to output the display screen after the signal is strengthened in the data buffer 46, so as to reduce unnecessary power consumption.

In the present invention, the drive device 4 also includes a first power input terminal 48 and a drive ground terminal 49, the first power input terminal 48 and the drive ground terminal 49 provide a connection to the power supply unit 7 for receiving the power supply unit 7 to provide the decoder 40. The power supply required for the operation of the power controller 42, the data selector 44 and the data buffer 46. What needs to be specially explained here is that the power supply unit 7 provides the decoder 40, the power controller 42, the data selector 44 and the data The power supply required for the operation of the buffer 46 can be the same voltage and current, or it can be a different voltage and current because of its needs, just as the circuit design of many electronic products will have different voltages or currents. for each electronic component.

In the present invention, the decoder 40 also includes a data receiving end 401, a selection data output end 402 and a display data output end 403, wherein the data receiving end 401 receives the data packet signal from the control unit 6, and the control unit 6 pre-processes the The selection data and display data are combined into a data packet signal, and the selection data output terminal 402 outputs the selection data parsed from the data packet signal, and the display data output port 403 outputs the display data parsed from the data packet signal.

In the present invention, the power controller 42 also includes a second power input terminal 420 and a first selection data input terminal 422. The second power input terminal 420 is provided to connect to the power supply unit 7 for receiving the power provided by the power supply unit 7. Generally speaking, the power required for the operation of the external electronic components connected to the driving device 4 may be AC or DC, while the driving device 4 is usually DC, and the power of the two may be different, so the power controller 42 is divided into different power supplies. The channel connects the driving device 4 and external electronic components. Moreover, the first selection data input terminal 422 is connected to the selection data output terminal 402, so that the power controller 42 turns on the power output terminal 424 that needs to output the display screen according to the selection data.

Moreover, the data selector 44 also includes a second selection data input terminal 440, a first display data receiving terminal 442 and a first display data output terminal 444, and the second selection data input terminal 440 is connected to the selection data output terminal 402, so that the data selection The device 44 can receive the selection data, and then open the data buffer 46 and the final data output terminal 460 that needs to output the display screen according to the selection data, the first display data receiving terminal 442 provides receiving display data, and the first display data output terminal 444 It is provided to transmit the display data to the data buffer 46, so that the data buffer 46 transmits the display data to the external device from the final data output port 460 which is turned on.

Moreover, the data buffer 46 also includes a data buffer input end 462. The data buffer input end 462 is connected to the first display data output end 444 to receive the display data. After the signal is strengthened by the data buffer 46, the final data that is turned on The output terminal 460 transmits the display data to an external device.

The present invention is a splicing display system, as shown in FIG. 4 , including a splicing display 5, a control unit 6, a power supply unit 7 and the aforementioned driving device 4, wherein the splicing display 5 includes a plurality of array display units 50, each array The display unit 50 includes a light-emitting array unit 500 and an array connection device 502, and the light-emitting array unit 500 and the array connection device 502 of the same array display unit 50 are connected, and the light-emitting array unit 500 is arranged in an array by a plurality of light-emitting elements Composition, and the light emitting element system can be light emitting diode (LED), IC-LED, mini light emitting diode (Mini LED) or micro light emitting diode (Micro LED).

Moreover, the driving device 4 is connected to each array connection device 502, the control unit 6 and the power supply unit 7, and the control unit 6 generates selection data according to the information of one or more array display units 50 in the output screen as required, and uses the selection data with Each of the display data of one or more array display units 50 that need to output images generates a data packet signal, and the power supply unit 7 is connected to the control unit 6, the drive device 4 and each array connection device 502, and the drive device 4 analyzes the data packet signal. Display data and selection data, so that according to the selection data, the power of the power supply unit 7 is transmitted to the array connection device 502 corresponding to one or more array display units 50 that need to output images, and then transmitted to the connected light-emitting array unit 500, and send the display data to the array connection device 502 corresponding to one or more array display units 50, and then transmit it to the light emitting array unit 500 connected thereto. In this way, only the array display units 50 that need to output pictures will receive the power of the power supply unit 7, and the array display units 50 that do not need to output pictures will not receive the power of the power supply unit 7, so that unnecessary power can be reduced loss.

In the present invention, the power supply unit 7 includes a first ground terminal 71 , a second ground terminal 72 , a third ground terminal 73 , a first power supply terminal 74 , a second power supply terminal 75 and a third power supply terminal 76 . Each array connection device 502 includes a power receiving portion 52 and a final data receiving end 54 . Each power receiving portion 52 includes a third power input terminal 520 and a fourth ground terminal 522 (as shown in FIG. 5 ).

What needs to be stated here is that between the power supply unit 7 and the splicing display 50 in FIG. 4 , due to insufficient drawing space in FIG. The third power input terminal 520) of the part 52 is connected. In addition, in order to make FIG.

Moreover, the first ground terminal 71 and the first power supply terminal 74 are connected to the control unit 6 , so that the power supply unit 7 supplies the power required by the control unit 6 . The second ground terminal 72 is connected to the driving ground terminal 49 , and the second power supply terminal 75 is connected to the first power input terminal 48 of the driving device 4 to provide the power required for the driving device 4 to operate. The third ground terminal 73 is connected to all the fourth ground terminals 522, the third power supply terminal 76 is connected to the second power input terminal 420, each power output terminal 424 is respectively connected to the third power input terminal 520 of one of the power receiving parts 52, The power controller 42 is used to turn on the power output terminal 424 that needs to output images, so that the power supply unit 7 supplies power to the third power input terminals 520 of one or more array connection devices 502 that need to output images.

In the present invention, the control unit 6 is also provided with a data packet signal output port 60, which is connected to the drive device 4 for outputting the data packet signal to the drive device 4, furthermore, it is the data packet number output The terminal 60 is connected to the data receiving terminal 401 of the decoder 40 of the driving device 4 for outputting the data packet signal to the decoder 40 .

陣列排列的發光二極體陣列模組，換言之，

、

，但本發明在實際實施時，並不限於此，m、n為正整數，而且也不一定是

，例如：

、

。此實施例的電源控制器42則具有十六個電源供應通道，資料緩衝器46具有十六個最終資料輸出端460，而控制單元6輸出資料封包訊號60為十六個選擇訊號十六個加上二十四個顯示資料共為四十個組合成，假設第二橫列(m=2,n=1)~(m=2,n=4)的陣列顯示單元50需要輸出顯示畫面，因此控制單元6會產生第二橫列需要輸出的輸出顯示畫面的選擇資料，並加上二十四個顯示資料合併產生資料封包訊號。當解碼器40接收到資料封包訊號，先將資料封包訊號解碼成選擇資料與顯示資料，使得電源控制器42在收到選擇資料後，開啟對應第二橫列需要輸出顯示畫面的各陣列連接裝置502之間的電源輸出端424，且資料選擇器44會開啟對應第二橫列需要輸出的輸出顯示畫面的各陣列連接裝置502之間的最終資料輸出端460，並將顯示資料輸出到資料緩衝器46中增強訊號強度後，再傳送到需要輸出顯示畫面的各陣列連接裝置502，如此，第二橫列(m=2,n=1)~(m=2,n=4)的陣列顯示單元50，就可以從其所連接的各陣列連接裝置502接收到電源及顯示資料。 For example, there are 16 array display units 50 composed of light-emitting elements, that is, there are

array of light-emitting diode array modules, in other words,

,

, but the present invention is not limited to this in actual implementation, m and n are positive integers, and they are not necessarily

,For example:

,

. The power controller 42 of this embodiment has sixteen power supply channels, the data buffer 46 has sixteen final data output terminals 460, and the output data packet signal 60 of the control unit 6 is sixteen selection signals and sixteen additions. The above twenty-four display data are composed of forty pieces, assuming that the array display unit 50 in the second row (m=2, n=1)~(m=2, n=4) needs to output the display screen, so The control unit 6 will generate the selection data of the output display screen to be output in the second row, and add twenty-four display data to combine to generate a data packet signal. When the decoder 40 receives the data packet signal, it first decodes the data packet signal into selection data and display data, so that the power controller 42, after receiving the selection data, turns on each array connection device corresponding to the second row that needs to output a display image 502 between the power supply output 424, and the data selector 44 will open the final data output 460 between each array connection device 502 corresponding to the output display screen that needs to be output in the second row, and output the display data to the data buffer After the signal strength is enhanced in the device 46, it is sent to each array connection device 502 that needs to output the display screen. In this way, the array display of the second row (m=2, n=1)~(m=2, n=4) The unit 50 can receive power and display data from each array connection device 502 connected to it.

To sum up, the driving device 4 is connected to each splicing display 5, the control unit 6, and the power supply unit 7. The data packet signal from the control unit 6 is sent to the driving device 4, and the power output to be turned on is determined by the selection data of the data packet signal. terminal 424 and the final data output terminal 460, so that the display data can pass through the decoder 40, the data selector 44 and the data buffer 46 in sequence, and then be transmitted from the final data output terminal 460 that is turned on to the corresponding array connection device 502, and The power output terminals 424 that do not need to be turned on are turned off to achieve the purpose of saving power.

The above detailed description is a specific description of the feasible embodiments of the present invention, but the foregoing embodiments are not intended to limit the patent scope of the present invention, and any equivalent implementation or change that does not depart from the technical spirit of the present invention shall be included in In the patent scope of this case.

1: splicing display 10: Display unit 100: light emitting array unit 101: Array connection device 1010: Power receiving unit 1012: display data receiving unit 1012 10100: first electrode part 10101: second electrode part 2: Control unit 3: Power supply unit 4: Drive device 40: Decoder 401: Receiver of data packet signal 402: Select data output terminal 403: display data output terminal 42: Power controller 420: the second power input terminal 422: first selection data input terminal 424: Power output terminal 44:Data selector 440: the second selection data input terminal 442: The first display data receiving end 444: The first display data output terminal 46: data buffer 460: final data output terminal 462: Data buffer input terminal 48: The first power input terminal 49: Drive ground terminal 5: splicing display 50: array display unit 500: light emitting array unit 502: Array connection device 52: Power receiving unit 520: the third power input terminal 522: The fourth ground terminal 54: The final data receiver 6: Control unit 60: Data packet signal output port 7: Power supply unit 71: The first ground terminal 72: The second ground terminal 73: The third ground terminal 74: the first power supply terminal 75: the second power supply terminal 76: The third power supply terminal

Figure 1 is a schematic diagram of the structure of a traditional spliced display. FIG. 2 is a connection diagram of a conventional array connection device. Fig. 3 is a schematic diagram of the driving device of the present invention. FIG. 4 is a schematic diagram of the spliced display system of the present invention. FIG. 5 is a schematic diagram of a spliced display, a power controller, and a power supply unit according to the present invention.

4: Drive device

40: Decoder

401: Receiver of data packet signal

402: Select data output port

403: display data output terminal

42: Power controller

420: the second power input terminal

422: first selection data input terminal

424: Power output terminal

44:Data selector

440: the second selection data input terminal

442: The first display data receiving end

444: The first display data output terminal

46: data buffer

460: final data output terminal

462: Data buffer input terminal

48: The first power input terminal

49: Drive ground terminal

Claims (11)

A driving device, comprising: a power controller, the power controller is provided with a plurality of power output terminals; a data buffer, the data buffer is provided with a plurality of final data output terminals; a decoder, the decoder is connected to the power controller , and receive a data packet signal, and analyze a selection data and a display data from the data packet signal. The information of the final data output terminal of the picture; and a data selector connected between the decoder and the data buffer; wherein, the decoder sends the selection data to the power controller and the data selector, and the power supply The controller turns on one or more of the power output terminals that need to output the display screen according to the selection data, and the data selector determines to open one or more of the final output terminals that need to output the display screen in the data buffer according to the selection data. the data output terminal, and transmit the display data to the data buffer first, perform signal enhancement in the data buffer, and then transmit the display data to one or more of the final data output terminals that have been turned on. The driving device as described in claim 1, further comprising: a first power input terminal, the first power input terminal is connected to a power supply unit; and a driving ground terminal, the driving ground terminal is connected to the power supply unit, Make the driving device receive the power supply unit to provide the decoder, the power controller, the data selector and the data buffer to operate the required power. The drive device as described in claim 2, wherein the decoder further includes: a data receiving end, the data receiving end receives the data packet signal; a selection data output end, the selection data output end outputs the selection data; and A display data output terminal, the display data output terminal outputs the display data. The driving device as described in claim 3, wherein the power controller further includes: a second power input terminal, the second power input terminal is connected to the power supply unit, and is used to receive the power required by the power supply unit to provide external devices; and A first selection data input terminal, the first selection data input terminal is connected to the selection data output terminal, so that the power controller turns on one or more of the power supply output terminals that need to output display images according to the selection data. The driving device as described in claim 4, wherein the data selector further includes: A second selection data input terminal, the second selection data input terminal is connected to the selection data output terminal, so that the data selector opens the data buffer and one or more of the final data that needs to output the display screen according to the selection data output terminal; a first display data receiving terminal, the first display data receiving terminal provides for receiving the display data; and A first display data output terminal, the first display data output terminal is used to transmit the display data to the data buffer. A spliced display system, comprising: the drive device described in claim 5;

A mosaic display, the mosaic display includes a plurality of array display units, and the array display units are

Arranged in an array, M and N are both positive integers, each array display unit includes a light emitting array unit and an array connection device, and the light emitting array unit and the array connection device of the same array display unit are connected Connection; a control unit, connected to the drive device, and the control unit generates the selection data according to the information of one or more of the array display units that need to output the screen, and displays one or more of the array display units that need to output the screen The display content of the unit generates the display data, and generates the data packet signal according to the selection data and the display data; and a power supply unit, the power supply unit is connected to the control unit, the drive device and each of the array connection devices for The power supply required for the operation of the control unit, the drive device and each of the array connection devices; wherein, the drive device parses the display data and the selection data from the data packet signal, so as to connect the power supply unit to the power supply unit according to the selection data The power is transmitted to the array connection device corresponding to one or more of the array display units that need to output pictures, and the display data is sent to the array connection corresponding to one or more of the array display units that need to output pictures device. The mosaic display system as described in claim 6, wherein each of the array connection devices further includes: a power receiving part, the power receiving part is connected to one of the power output terminals; and A final data receiving end, the final data receiving end is connected to one of the final data output ends to receive the display data that is amplified by the data buffer. The mosaic display system according to claim 7, wherein each power receiving part includes a third power input terminal and a fourth ground terminal, and each third power input terminal is connected to one of the power output terminals respectively, and the power supply The supply unit includes: a first ground terminal connected to the control unit; a first power supply terminal, the first power supply terminal is connected to the control unit, and the power supply unit supplies the power required by the control unit through the first ground terminal and the first power supply terminal; a second ground terminal connected to the driving ground terminal; a second power supply terminal, the second power supply terminal is connected to the first power input terminal, and the power supply unit supplies the power required by the driving device through the second ground terminal and the second power supply terminal; a third ground terminal connected to each of the fourth ground terminals; and A third power supply terminal, the third power supply terminal is connected to the second power input terminal, so that the power supply unit supplies power to the device that needs to output the display screen through the second power input terminal and one or more of the power output terminals. The third power input terminal. The splicing display system as described in Claim 8, wherein the control unit is further provided with a data packet signal output port, the data packet signal output port is connected to the data receiving port, and outputs the data packet signal to the decoder. The mosaic display system according to claim 6, wherein the light emitting array unit is composed of a plurality of light emitting elements arranged in an array. In the splicing display system according to claim 10, the light-emitting element is a light-emitting diode, IC-LED, mini light-emitting diode or micro light-emitting diode.

Images