CN103347327A - Light emitting diode driver board, display panel driver board and display device - Google Patents
Light emitting diode driver board, display panel driver board and display device Download PDFInfo
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- CN103347327A CN103347327A CN2013102374724A CN201310237472A CN103347327A CN 103347327 A CN103347327 A CN 103347327A CN 2013102374724 A CN2013102374724 A CN 2013102374724A CN 201310237472 A CN201310237472 A CN 201310237472A CN 103347327 A CN103347327 A CN 103347327A
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Abstract
The invention relates to a light emitting diode driver board which is used for driving a light emitting diode module comprising at least one light emitting diode cluster. The light emitting diode driver board comprises a circuit board, a connector, a light emitting diode driver, a plurality of light emitting diode driving signal lines and a plurality of configuration information communication lines. The connector and the light emitting diode driver are arranged on the circuit board. The light emitting diode driving signal lines are connected between the connector and the light emitting diode driver, and the configuration information communication lines are connected between the connector and the light emitting diode driver and used by the light emitting diode driver to obtain configuration parameter information of the light emitting diode module. The light emitting diode driver is a programmable driver. The invention further provides a display panel driver board matched with the light emitting diode driver board for using and a display device. By the utilization of the configuration parameter information of the light emitting diode module, for example, obtained by the configuration information communication lines, a corresponding light emitting diode driving signal is provided for driving the light emitting diode module. Therefore, compatibility is high.
Description
Technical field
The present invention relates to the Display Technique field, particularly a kind of light-emitting diode driving board, display floater drive plate and display unit.
Background technology
Along with development of science and technology, information products frivolous, power saving have been flooded with our life, display unit has then been played the part of considerable role betwixt, no matter is mobile phone, personal digital assistant or mobile computer etc., all needs display unit as the platform of man-machine communication.
Fig. 1 is the overall structure schematic diagram of existing display unit.As shown in Figure 1, display unit 1 ' comprises display floater 10 ', display floater drive plate 11 ', the light emitting diode module 12 ' that comprises at least one light emitting diode string and light-emitting diode driving board 13 ', and display floater drive plate 11 ' is electrically connected display floater 10 ' and light emitting diode module 12 '.At this, can form by one or more flexible PCBs 14 ' between display floater drive plate 11 ' and the display floater 10 ' and be electrically connected.
Display floater drive plate 11 ' comprises second circuit board 110 ' and second connector 111 ' and the 3rd connector 112 ' that are configured on the second circuit board 110 '; Light-emitting diode driving board 13 ' comprises first circuit board 130 ' and is configured in first connector 131 ' and LED drive 132 ' on the first circuit board 130 '.Usually, display floater drive plate 11 ' and light-emitting diode driving board 13 ' fit together after being made by different production firms again, therefore display floater drive plate 11 ' and light-emitting diode driving board 13 ' are separated from each other setting, and interconnect by second connector 111 ' and first connector 131 ' and to form electrical connection; LED drive 132 ' drives signal by first connector 131 ', second connector 111 ' and the 3rd connector 112 ' with light-emitting diode and exports light emitting diode module 12 ' to.
According to the different demands of using, every money light-emitting diode driving board 13 ' has lamp string number and the fixing drive current size of regulation of predesignating fixing light emitting diode module 12 ', the panel drive circuit of display floater drive plate 11 ' calculates the light-emitting diode quantity of required each lamp string according to the need assessment of light-emitting diode driving board 13 ', therefore, be man-to-man relation between every money light-emitting diode driving board 13 ' and the light emitting diode module 12 ', cause being between light-emitting diode driving board 13 ' and the display floater drive plate 11 ' man-to-man relation, therefore, can't realize the display floater drive plate 11 ' of same light-emitting diode driving board 13 ' coupling different model, compatible low.
Therefore, be necessary to provide improved technical scheme to overcome the compatible low technical problem of display floater drive plate and light-emitting diode driving board in the prior art.
Summary of the invention
The objective of the invention is to, based on can't the arrange in pairs or groups problem of display floater drive plate of different model of same light-emitting diode driving board in the prior art, a kind of light-emitting diode driving board, display floater drive plate and display unit are provided, can realize the display floater drive plate that same light-emitting diode driving board can compatible a plurality of different models, it is compatible high.
For solving the problems of the technologies described above, the invention provides a kind of light-emitting diode driving board, be used for to drive the light emitting diode module that comprises at least one light emitting diode string, light-emitting diode driving board comprises first circuit board, be configured in second connector and LED drive on the first circuit board, be connected many light-emitting diode drive signal lines and many configuration information connections between second connector and the LED drive.Many the configuration information connection is connected electrically between second connector and the LED drive, is used for obtaining by many configuration information connections for LED drive the configuration parameter information of light emitting diode module; Wherein, LED drive is programmable driver.
The present invention also provides a kind of display floater drive plate that can use with the collocation of aforementioned light-emitting diode driving board, the display floater drive plate is used for being electrically connected to display floater and the light emitting diode module that comprises at least one light emitting diode string, and the display floater drive plate comprises second circuit board, is configured in first connector and the 3rd connector and memory on the second circuit board.First connector and the 3rd connector are used for receiving outside light-emitting diode and drive signal with the driving light emitting diode module, and the 3rd connector is used for connecting light emitting diode module.Memory is electrically connected to first connector and stores the configuration parameter information of light emitting diode module, be used for providing LED drive to the outside by first connector with configuration parameter information, provide light-emitting diode to drive signal according to configuration parameter information and drive light emitting diode module by second connector, first connector and the 3rd connector in regular turn for the LED drive of outside.
In addition, the present invention also provides a kind of display unit, comprise display floater, display floater drive plate, the light emitting diode module that comprises at least one light emitting diode string and light-emitting diode driving board, light-emitting diode driving board comprises first circuit board and is configured in second connector and LED drive on the first circuit board, the display floater drive plate is electrically connected display floater and light emitting diode module, and the display floater drive plate comprises second circuit board and first connector and the 3rd connector that are configured on the second circuit board.Display floater drive plate and light-emitting diode driving board interconnect by first connector and second connector and form electrical connection, the display floater drive plate also comprises memory, be configured on the second circuit board and be electrically connected to first connector, the configuration parameter information of memory stores light emitting diode module.Wherein, LED drive is programmable driver, forms signal by first connector with second connector and memory and is connected, to obtain the configuration parameter signal from memory and to drive light emitting diode module according to the configuration parameter signal.
To sum up, light-emitting diode driving board of the present invention, display floater drive plate and display unit utilize the programmable LED driver to obtain the configuration parameter information that (for example obtaining by many configuration information connections) is stored in the light emitting diode module in the memory, and provide the light-emitting diode of coupling to drive signal according to configuration parameter information to drive light emitting diode module, like this then can realize the display floater drive plate that same light-emitting diode driving board can compatible a plurality of different models, compatible higher.
By the detailed description below with reference to accompanying drawing, it is obvious that other side of the present invention and feature become.But should be known in the only purpose design for explaining of this accompanying drawing, rather than as the restriction of scope of the present invention, this is because it should be with reference to additional claim.Should also be appreciated that, unless otherwise noted, the unnecessary accompanying drawing of drawing to scale, they only try hard to illustrate conceptually structure described herein and flow process.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the overall structure schematic diagram of existing display unit.
Fig. 2 is the structural representation of light-emitting diode driving board of the present invention.
Fig. 3 is the structural representation of display floater drive plate of the present invention.
Fig. 4 is the overall structure schematic diagram of display unit of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Fig. 2 is the structural representation of light-emitting diode driving board of the present invention.Light-emitting diode driving board 10 is used for driving the light emitting diode module that comprises at least one light emitting diode string (Fig. 2 is not shown, can with reference to figure 4).Particularly, light-emitting diode driving board 10 comprises first circuit board 101, is configured in second connector 102 and LED drive 103 on the first circuit board 101, is connected many light-emitting diode drive signal lines 104 and many configuration information connections 105 between second connector 102 and the LED drive 103.Many configuration information connection 105 is connected electrically between first connector 102 and the LED drive 103, (Fig. 2 is not shown to be used for obtaining light emitting diode module for LED drive 103 by many configuration information connections 105, can be with reference to figure 4) configuration parameter information, and the configuration parameter information-driven light emitting diode module of the corresponding coupling of output (not shown among Fig. 2, can with reference to figure 4).Wherein, LED drive 103 is programmable driver.
In one embodiment of the present invention, many configuration information connections 105 are universal serial bus.Wherein, universal serial bus for example is I
2C bus (Inter IC BUS).What it will be appreciated by those skilled in the art that certainly is that universal serial bus can be the universal serial bus of SPI other types such as (Serial Peripheral Interface).Usually, I
2The C bus is the TW two wire structure, and spi bus is the three-wire type structure.Configuration parameter information for example comprises the quantity of at least one light emitting diode string and the drive current information of each light emitting diode string.In one embodiment of the present invention, LED drive 103 is specially and passes through I by many configuration information connections 105
2C group line carries out the transmission of signal, it is (not shown among Fig. 2 to obtain light emitting diode module, can be with reference to figure 4) comprise the quantity of at least one light emitting diode string and the drive current information of each light emitting diode string, thereby the corresponding light-emitting diode of output drives signal and drives light emitting diode module (not shown among Fig. 2, can with reference to figure 4).For instance, light emitting diode module is (not shown among Fig. 2, can be with reference to figure 4) quantity that comprises at least one light emitting diode string is that 3, the drive current of each light emitting diode string are 10 milliamperes (mA), LED drive 103 exportable total drive currents light-emitting diode drive light emitting diode module that is 30mA (not shown among Fig. 2, can with reference to figure 4) then.
Fig. 3 is the structural representation of display floater drive plate 20 of the present invention.It can use with light-emitting diode driving board 10 collocation shown in Figure 2, as shown in Figures 2 and 3, display floater drive plate 20 be electrically connected the light emitting diode module 30 that comprises at least one light emitting diode string (3 strings only are shown among the figure) and with display floater 40 between be electrically connected by flexible PCB 50 formation.Display floater drive plate 20 comprises second circuit board 201, is configured in first connector 202, memory 203 and the 3rd connector 204 on the second circuit board 201.
In one embodiment of the present invention, memory 203 is EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM, Electrically Erasable Programmable Read Only Memory).What it will be appreciated by those skilled in the art that certainly is that memory 203 also can be the erasable memory that repeats of other types.
Configuration parameter information for example comprises the quantity of light emitting diode string of light emitting diode module 30 and the drive current information of each light emitting diode string.
Fig. 4 is the overall structure schematic diagram of display unit of the present invention.Display unit 1 comprises light-emitting diode driving board 10, display floater drive plate 20, comprises at least one light emitting diode string light emitting diode module 30 and the display floater 40 of (3 strings shown in Fig. 4).Display floater drive plate 20 is electrically connected display floater 40 and light emitting diode module 30, in this embodiment, form by flexible PCB 50 between display floater drive plate 20 and the display floater 40 and be electrically connected, form by the 3rd connector 204 between display floater drive plate 20 and the light emitting diode module 30 and be electrically connected, but the present invention is not as limit.
Particularly, light-emitting diode driving board 10 comprises first circuit board 101, is configured in second connector 102, LED drive 103 and many configuration information connections 105 on the first circuit board 101.Display floater drive plate 20 comprises second circuit board 201, is configured in first connector 202, the 3rd connector 204 and memory 203 on the second circuit board 201.Light-emitting diode driving board 10 is common by fitting together after different production firm's manufacturings with display floater drive plate 20 again, therefore display floater drive plate 20 and light-emitting diode driving board 10 are separated from each other setting, and interconnect by first connector 202 and second connector 102 and to form electrical connection.Memory 203 is configured on the second circuit board 201 and is electrically connected to first connector 202, the configuration parameter information of memory 203 storage light emitting diode module 30.
In one embodiment of the present invention, memory 203 is EEPROM (Electrically Erasable Programmable Read Only Memo).
Need to prove, the quantity of drive signal line 104 can not fixed in the embodiment of the invention, for example, the drive signal line 104 that light emitting diode module 30 passes to LED drive 103 directions has 4, expression expression LED drive 103 of the present invention can be supported the LED light string of 4 passages at most, but for example only use the LED light string of 3 passages, a remaining drive signal line 104 just need not connect LED light string, because stored configuration parameters information is closed the 4th string light-emitting diode in the memory 203, therefore according to the quantity of light emitting diode string, the quantity of drive signal line 104 can be many.
To sum up, light-emitting diode driving board 10 of the present invention, display floater drive plate 20 and display unit 1 utilize programmable LED driver 103 to obtain the configuration parameter information that (for example obtaining by many configuration information connections 105) is stored in the light emitting diode module 30 in the memory 203, and provide the light-emitting diode of coupling to drive signal according to configuration parameter information to drive light emitting diode module 30, like this then can realize the display floater drive plate that same light-emitting diode driving board can compatible a plurality of different models, compatible higher.
Used specific case herein principle and the execution mode of light-emitting diode driving board of the present invention, display floater drive plate and display unit are set forth, the explanation of above execution mode just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention; part in specific embodiments and applications all can change; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (10)
1. light-emitting diode driving board, be used for driving the light emitting diode module that comprises at least one light emitting diode string, described light-emitting diode driving board comprises first circuit board, be configured in second connector and the LED drive on the described first circuit board and be connected many light-emitting diode drive signal lines between described second connector and the LED drive, it is characterized in that described light-emitting diode driving board also comprises:
Many configuration information connections are connected electrically between described second connector and the described LED drive, are used for obtaining by described many configuration information connections for described LED drive the configuration parameter information of described light emitting diode module;
Wherein, described LED drive is programmable driver.
2. light-emitting diode driving board as claimed in claim 1 is characterized in that, described many configuration information connections are universal serial bus.
3. light-emitting diode driving board as claimed in claim 1 is characterized in that, described configuration parameter information comprises the quantity of described at least one light emitting diode string and the drive current information of each light emitting diode string.
4. display floater drive plate, described display floater drive plate is used for being electrically connected to display floater and the light emitting diode module that comprises at least one light emitting diode string, and described display floater drive plate comprises second circuit board and is configured in first connector and the 3rd connector on the described second circuit board, described first connector and the 3rd connector are used for receiving outside light-emitting diode and drive signal to drive described light emitting diode module, described the 3rd connector is used for connecting described light emitting diode module, it is characterized in that described display floater drive plate also comprises:
Memory, be electrically connected to described first connector and store the configuration parameter information of described light emitting diode module, be used for providing LED drive to the outside by described first connector with described configuration parameter information, provide described light-emitting diode to drive signal according to described configuration parameter information and drive described light emitting diode module by described second connector, first connector and the 3rd connector in regular turn for the LED drive of described outside.
5. display floater drive plate as claimed in claim 4 is characterized in that, described memory is EEPROM (Electrically Erasable Programmable Read Only Memo).
6. display floater drive plate as claimed in claim 4 is characterized in that, described configuration parameter information comprises the quantity of described at least one light emitting diode string and the drive current information of each light emitting diode string.
7. display unit, comprise display floater, the display floater drive plate, the light emitting diode module and the light-emitting diode driving board that comprise at least one light emitting diode string, described light-emitting diode driving board comprises first circuit board and is configured in second connector and LED drive on the described first circuit board, described display floater drive plate is electrically connected described display floater and described light emitting diode module, and described display floater drive plate comprises second circuit board and first connector and the 3rd connector that are configured on the described second circuit board, described display floater drive plate and light-emitting diode driving board interconnect by described first connector and second connector and form electrical connection, it is characterized in that:
Described display floater drive plate also comprises memory, is configured on the described second circuit board and is electrically connected to described first connector, the configuration parameter information of the described light emitting diode module of described memory stores; And
Described LED drive is programmable driver, form signal by described first connector with second connector and described memory and be connected, to obtain described configuration parameter signal from described memory and to drive described light emitting diode module according to described configuration parameter signal.
8. display unit as claimed in claim 7 is characterized in that, described memory is EEPROM (Electrically Erasable Programmable Read Only Memo).
9. display unit as claimed in claim 7 is characterized in that, described LED drive is carried out signal with described memory by many configuration information connections and is connected.
10. display unit as claimed in claim 9 is characterized in that, described many configuration information connections are I
2C bus or spi bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310237472.4A CN103347327B (en) | 2013-06-14 | 2013-06-14 | Light-emitting diode driving board, display floater drive plate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310237472.4A CN103347327B (en) | 2013-06-14 | 2013-06-14 | Light-emitting diode driving board, display floater drive plate and display device |
Publications (2)
| Publication Number | Publication Date |
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| CN103347327A true CN103347327A (en) | 2013-10-09 |
| CN103347327B CN103347327B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310237472.4A Active CN103347327B (en) | 2013-06-14 | 2013-06-14 | Light-emitting diode driving board, display floater drive plate and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590590A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Backlight brightness automatic adjusting system suitable for different liquid crystal panels and liquid crystal display with backlight brightness automatic adjusting system |
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| US20090128471A1 (en) * | 2007-11-15 | 2009-05-21 | Young Lighting Technology Corporation | Integrated driving board and liquid crystal display module having the same |
| US20090251393A1 (en) * | 2008-04-04 | 2009-10-08 | Fan Chen-Tung | Scalable led display system |
| CN101637065A (en) * | 2007-03-15 | 2010-01-27 | 皇家飞利浦电子股份有限公司 | Driver circuit for loads such as LED, OLED or laser diodes |
| CN201531776U (en) * | 2009-11-12 | 2010-07-21 | 冠捷投资有限公司 | Light-emitting diode lamp strip |
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| CN101637065A (en) * | 2007-03-15 | 2010-01-27 | 皇家飞利浦电子股份有限公司 | Driver circuit for loads such as LED, OLED or laser diodes |
| US20090121652A1 (en) * | 2007-11-08 | 2009-05-14 | Eui-Jeong Kang | Light source module, backlight assembly having the same, display device having the same and method for reducing number of wires used in interconnect cable of the same |
| US20090128471A1 (en) * | 2007-11-15 | 2009-05-21 | Young Lighting Technology Corporation | Integrated driving board and liquid crystal display module having the same |
| US20090251393A1 (en) * | 2008-04-04 | 2009-10-08 | Fan Chen-Tung | Scalable led display system |
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| CN201531776U (en) * | 2009-11-12 | 2010-07-21 | 冠捷投资有限公司 | Light-emitting diode lamp strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105590590A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Backlight brightness automatic adjusting system suitable for different liquid crystal panels and liquid crystal display with backlight brightness automatic adjusting system |
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| Publication number | Publication date |
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| CN103347327B (en) | 2016-07-13 |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |
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