CN102117982A - Low voltage differential signal connecting device and system - Google Patents
Low voltage differential signal connecting device and system Download PDFInfo
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- CN102117982A CN102117982A CN2009102668149A CN200910266814A CN102117982A CN 102117982 A CN102117982 A CN 102117982A CN 2009102668149 A CN2009102668149 A CN 2009102668149A CN 200910266814 A CN200910266814 A CN 200910266814A CN 102117982 A CN102117982 A CN 102117982A
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Abstract
The invention discloses a low voltage differential signal connecting device and system. The low voltage differential signal connecting device is used for coupling with a first circuit board and a second circuit board and comprises at least one grounding signal wire and a plurality of groups of data signal wires. The grounding signal wire is provided with at least one first coupling point and at least one second coupling point, wherein the first coupling point is coupled to the first circuit board, and the second coupling point is coupled to the second circuit board. The plurality of groups of data signal wires are respectively coupled between the first circuit board and the second circuit board so as to transmit low voltage differential signals. The number of the groups of data signal wires is larger than the number of the first coupling points and second coupling points of the grounding signal wire.
Description
Technical field
The present invention is relevant for a kind of jockey and connected system, and particularly relevant for a kind of Low Voltage Differential Signal jockey and connected system.
Background technology
(Low-voltage Differential Signal, LVDS) transmission technology is a kind of technology that can satisfy current high-performance data transmission application to Low Voltage Differential Signal.The LVDS transmission not only can provide the high-speed data transmission rate, and required power consumption is lower.At present, between the circuit board of the motherboard of notebook computer and LCD, all adopt the LVDS technology to come transmission signals usually.
In prior art, when adopting the LVDS jockey to connect the circuit board of the motherboard of notebook computer and LCD, if need eight groups of Low Voltage Differential Signals of transmission between the circuit board of the motherboard of notebook computer and LCD, promptly need eight groups of data signal lines, then every group of data signal line ground signalling line of need arranging in pairs or groups promptly needs eight ground signalling lines.Thus, the Production Time and the manufacturing materials of LVDS jockey have been increased.In addition, therefore the ground signalling line because every group of data signal line need be arranged in pairs or groups, causes the peripheral diameter of LVDS jockey excessive.Especially, in notebook computer, be unfavorable for the wire design of rotating shaft place between the body of notebook computer and the LCD.
Summary of the invention
The object of the present invention is to provide a kind of Low Voltage Differential Signal jockey and connected system, to improve the disappearance of prior art.
The present invention proposes a kind of Low Voltage Differential Signal jockey and is used to couple first circuit board and second circuit board and comprises at least one ground signalling line and multi-group data holding wire.The ground signalling line has at least one and first couples a little with at least one and second couple a little, and first couples and a little be coupled to first circuit board, and second couples and a little be coupled to second circuit board.The multi-group data holding wire is respectively coupled between first circuit board and the second circuit board with the transmission Low Voltage Differential Signal.The group number of data signal line couples a little the number and second number that couples a little greater than first of ground signalling line.
The present invention also proposes a kind of Low Voltage Differential Signal connected system, and it comprises first circuit board, second circuit board and Low Voltage Differential Signal jockey.The Low Voltage Differential Signal jockey couples first circuit board and second circuit board and comprises at least one ground signalling line and multi-group data holding wire.The ground signalling line has at least one and first couples a little with at least one and second couple a little, and first couples and a little be coupled to first circuit board, and second couples and a little be coupled to second circuit board.The multi-group data holding wire is respectively coupled between first circuit board and the second circuit board with the transmission Low Voltage Differential Signal.The group number of data signal line couples a little the number and second number that couples a little greater than first of ground signalling line.
Compared to prior art, Low Voltage Differential Signal jockey provided by the invention and connected system have reduced the number of ground signalling line.So, the Production Time and the manufacturing materials of Low Voltage Differential Signal jockey have been saved.In addition, also reduce the peripheral diameter of Low Voltage Differential Signal jockey integral body, solved the excessive problem of rotating shaft place wire rod between the body of notebook computer in the prior art and the LCD.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1 shows that schematic diagram according to the LVDS connected system of first preferred embodiment of the present invention.
Figure 2 shows that schematic diagram according to the LVDS jockey of first preferred embodiment of the present invention.
Figure 3 shows that schematic diagram according to the LVDS connected system of second preferred embodiment of the present invention.
Figure 4 shows that schematic diagram according to the LVDS connected system of the 3rd preferred embodiment of the present invention.
Figure 5 shows that schematic diagram according to the LVDS connected system of the 4th preferred embodiment of the present invention.
Embodiment
Figure 1 shows that Low Voltage Differential Signal (Low-voltageDifferential Signal, LVDS) schematic diagram of connected system according to first preferred embodiment of the present invention.Figure 2 shows that schematic diagram according to the LVDS jockey of first preferred embodiment of the present invention.Please in the lump with reference to figure 1 and Fig. 2.
The LVDS connected system 1 that present embodiment provided comprises first circuit board 11, second circuit board 12, LVDS jockey 14 and conductive fabric 15.
In present embodiment, LVDS jockey 14 is used to transmit the Low Voltage Differential Signal between first circuit board 11 and the second circuit board 12.In this, LVDS jockey 14 is a double-channel LVDS jockey, in order to the higher view data of transmission resolution.Yet the present invention is not limited thereto.
In present embodiment, LVDS jockey 14 is used to couple first circuit board 11 and second circuit board 12.LVDS jockey 14 comprises at least one ground signalling line 140 and multi-group data holding wire 142.Wherein, ground signalling line 140 has at least one first and couples a little 1401 and at least one second and couple a little 1402.First couples a little 1401 is coupled to first circuit board 11, the second and couples a little and 1402 be coupled to second circuit board 12.Data signal line 142 is respectively coupled between first circuit board 11 and the second circuit board 12 with the transmission Low Voltage Differential Signal.
In present embodiment, first circuit board 11 is the circuit board of the LCD of a portable electronic devices (for example, notebook computer or liquid crystal TV set).Second circuit board 12 is the motherboard of above-mentioned portable electronic devices.Yet the present invention is not limited thereto.
In present embodiment, first circuit board 11 has a LVDS connecting interface (figure does not show) respectively with second circuit board 12, is used to couple LVDS jockey 14.In this, above-mentioned LVDS connecting interface is 30 pin LVDS connecting interfaces.Yet the present invention is not limited thereto.In other embodiment, above-mentioned LVDS connecting interface also can be 40 pin LVDS connecting interfaces.
In present embodiment, first circuit board 11 has an analog signal or digital signal earth terminal, and second circuit board 12 also has an analog signal or digital signal earth terminal.The ground signalling line 140 of LVDS jockey 14 couples the earth terminal of first circuit board 11 and the earth terminal of second circuit board 12 respectively.Yet the present invention is not limited thereto.
In present embodiment, the ground signalling line 140 of LVDS jockey 14, first couples a little and 1401 and second couples a little 1402 number unanimity.In addition, the group number of data signal line 142 couples a little greater than ground signalling line 140, first and 1401 and second couples a little 1402 number.
Particularly, in present embodiment, data signal line 142 is used to transmit eight groups of Low Voltage Differential Signals.The group number that is data signal line 142 is eight groups, and the number of data signal line 142 is 16.Wherein, above-mentioned eight groups of data signal lines 142 comprise two groups of clock cables and six groups of display signal lines.Yet the present invention is not limited thereto.
In present embodiment, ground signalling line 140, first couples a little 1401 and second and couples a little that 1402 number is one.Yet the present invention is not limited thereto.In this, because the group number of data signal line 142 is eight groups, therefore, ground signalling line 140, first couples a little 1401 and second and couples a little that 1402 number needs only less than eight (for example, two or five).By this, compared to prior art, because the LVDS jockey 14 that present embodiment provides has reduced the number of ground signalling line 140, therefore, the peripheral diameter of LVDS jockey 14 can be less than the LVDS jockey in the prior art.In addition, because the ground signalling line 140 of the LVDS jockey 14 that provides of present embodiment directly couples first circuit board 11 and second circuit board 12 (promptly, ground signalling line 140, first couples a little and 1401 and second couples a little 1402 number unanimity), therefore, conduction impedance everywhere is identical, thereby has guaranteed the stability of signal transmission between first circuit board 11 and the second circuit board 12.
In present embodiment, conductive fabric 15 is coated on the ground signalling line 140 and the data signal line 142 of LVDS jockey 14.Conductive fabric 15 is used to protect the ground signalling line 140 and the data signal line 142 of LVDS jockey 14, thereby is convenient to the use of LVDS jockey 14.
Figure 3 shows that schematic diagram according to the LVDS connected system of second preferred embodiment of the present invention.As shown in Figure 3, the difference of the LVDS connected system 2 of present embodiment and the LVDS connected system 1 of first preferred embodiment is, in present embodiment, the number of the ground signalling line 240 of LVDS jockey 24 is different from first and couples a little and 2401 and second couple a little 2402 number.
In present embodiment, the structure and the annexation of the data signal line 142 of first circuit board 11, second circuit board 12 and LVDS jockey 14 in the structure of the data signal line 242 of the first circuit board 21 of LVDS connected system 2, second circuit board 22 and LVDS jockey 24 and annexation and first preferred embodiment are consistent, so do not repeat them here.
Particularly, in present embodiment, the two ends of ground signalling line 240 are cut into three connecting lines respectively.So, ground signalling line 240 has three first and couples a little 2401 and be coupled to first circuit board 21 and three second and couple a little and 2402 be coupled to second circuit board 22.Yet the present invention is not limited thereto.In other embodiment, ground signalling line 240 also can adopt three ground signalling lines middle and be welded into one, couples the form of first circuit board 21 and second circuit board 22 separately at two ends.
In addition, in present embodiment, the group number of data signal line 242 is eight.Therefore, the two ends of ground signalling line 240 for example all can be cut into two or five connecting lines, as long as guarantee that first couples a little 2401 and second and couple a little 2402 the number group number less than data signal line 242.
Figure 4 shows that schematic diagram according to the LVDS connected system of the 3rd preferred embodiment of the present invention.As shown in Figure 4, the difference of the LVDS connected system 3 that present embodiment provides and the LVDS connected system 1 of first preferred embodiment is, in present embodiment, ground signalling line 340, first couples a little 3401 and second, and to couple a little 3402 number all different.
In present embodiment, the structure and the annexation of the data signal line 142 of first circuit board 11, second circuit board 12 and LVDS jockey 14 in the structure of the data signal line 342 of the first circuit board 31 of LVDS connected system 3, second circuit board 32 and LVDS jockey 34 and annexation and first preferred embodiment are consistent, so do not repeat them here.
Particularly, in present embodiment, it is three connecting lines and two connecting lines that the two ends of ground signalling line 340 are tailored respectively.So, ground signalling line 340 has three first and couples a little 3401 and be coupled to first circuit board 31 and two second and couple a little and 3402 be coupled to second circuit board 32.Yet the present invention is not limited thereto.In other embodiment, ground signalling line 340 also can adopt three ground signalling lines middle and be welded into one, and cutting out at the other end is two form.
In addition, in present embodiment, the group number of data signal line 342 is eight.Therefore, the two ends of ground signalling line 340 also can be tailored to respectively two with four connecting lines, as long as guarantee that first couples a little 3401 and second and couple a little 3402 number all less than the group number of data signal line 342.
Figure 5 shows that schematic diagram according to the LVDS connected system of the 4th preferred embodiment of the present invention.As
Shown in Figure 5, the difference of the LVDS connected system 4 that present embodiment provides and the LVDS connected system 1 of first preferred embodiment is that in present embodiment, the group number of data signal line 442 is four groups.
In present embodiment, the ground signalling line 140 of the first circuit board 11 among the ground signalling line 440 of the first circuit board 41 of LVDS connected system 4, second circuit board 42, LVDS jockey 44 and the structure of data signal line 442 and annexation and first embodiment, second circuit board 12, LVDS jockey 14 and the structure and the annexation of data signal line 142 are consistent, so do not repeat them here.
In present embodiment, data signal line 442 is used to transmit four groups of Low Voltage Differential Signals.The group number that is data signal line 442 is four groups, and the number of data signal line 442 is eight.In addition, ground signalling line 440, first couples a little 4401 and second and couples a little that 4402 number is one.Yet the present invention is not limited thereto.Ground signalling line 440, first couples a little 4401 and second and couples a little that 4402 number can be identical (for example, being two or three) or different (promptly all less than four).
In sum, compared to prior art, LVDS jockey and connected system that the above-mentioned preferred embodiment of the present invention provides have reduced the number of ground signalling line.So, the Production Time and the manufacturing materials of LVDS jockey have been saved.In addition, also reduce the peripheral diameter of LVDS jockey integral body, solved the excessive problem of rotating shaft place wire rod between the body of notebook computer in the prior art and the LCD.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. a Low Voltage Differential Signal jockey is used to couple first circuit board and second circuit board, it is characterized in that, above-mentioned Low Voltage Differential Signal jockey comprises:
At least one ground signalling line, it has at least one and first couples a little with at least one and second couple a little, and above-mentioned first couples and a little is coupled to above-mentioned first circuit board, and above-mentioned second couples and a little is coupled to above-mentioned second circuit board; And
The multi-group data holding wire, it is respectively coupled between above-mentioned first circuit board and the above-mentioned second circuit board transmitting above-mentioned Low Voltage Differential Signal, and the group number of above-mentioned these data signal lines couples a little number and above-mentioned second number that couples a little greater than above-mentioned first of above-mentioned ground signalling line.
2. Low Voltage Differential Signal jockey according to claim 1 is characterized in that, the group number of above-mentioned these data signal lines is four groups or eight groups.
3. Low Voltage Differential Signal jockey according to claim 1 is characterized in that, above-mentioned these data signal lines comprise at least two group clock cables.
4. Low Voltage Differential Signal jockey according to claim 1 is characterized in that, above-mentioned ground signalling line, above-mentioned first couple a little and above-mentioned second number that couples a little identical.
5. Low Voltage Differential Signal jockey according to claim 4 is characterized in that, above-mentioned ground signalling line, above-mentioned first couples a little and above-mentioned second number that couples a little is one.
6. Low Voltage Differential Signal jockey according to claim 1 is characterized in that, above-mentioned first couples a little and above-mentioned second couple a little number all greater than the number of above-mentioned ground signalling line.
7. a Low Voltage Differential Signal connected system is characterized in that, comprising:
First circuit board;
Second circuit board; And
The Low Voltage Differential Signal jockey, it couples above-mentioned first circuit board and above-mentioned second circuit board, and above-mentioned Low Voltage Differential Signal jockey comprises:
At least one ground signalling line, it has at least one and first couples a little with at least one and second couple a little, and above-mentioned first couples and a little is coupled to above-mentioned first circuit board, and above-mentioned second couples and a little is coupled to above-mentioned second circuit board; And
The multi-group data holding wire, it is respectively coupled between above-mentioned first circuit board and the above-mentioned second circuit board transmitting above-mentioned Low Voltage Differential Signal, and the group number of above-mentioned these data signal lines couples a little number and above-mentioned second number that couples a little greater than above-mentioned first of above-mentioned ground signalling line.
8. Low Voltage Differential Signal connected system according to claim 7 is characterized in that, above-mentioned ground signalling line, above-mentioned first couple a little and above-mentioned second number that couples a little identical.
9. Low Voltage Differential Signal connected system according to claim 7 is characterized in that, above-mentioned first circuit board is the circuit board of the LCD of portable electronic devices, and above-mentioned second circuit board is the motherboard of above-mentioned portable electronic devices.
10. Low Voltage Differential Signal connected system according to claim 7, it is characterized in that, above-mentioned Low Voltage Differential Signal connected system also comprises conductive fabric, and above-mentioned conductive fabric coats above-mentioned ground signalling line and above-mentioned these data signal lines of above-mentioned Low Voltage Differential Signal jockey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102668149A CN102117982A (en) | 2009-12-31 | 2009-12-31 | Low voltage differential signal connecting device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102668149A CN102117982A (en) | 2009-12-31 | 2009-12-31 | Low voltage differential signal connecting device and system |
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| Publication Number | Publication Date |
|---|---|
| CN102117982A true CN102117982A (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102668149A Pending CN102117982A (en) | 2009-12-31 | 2009-12-31 | Low voltage differential signal connecting device and system |
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| CN (1) | CN102117982A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869934A (en) * | 2012-12-12 | 2014-06-18 | 名硕电脑(苏州)有限公司 | Panel personal computer and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003016860A (en) * | 2001-07-05 | 2003-01-17 | Canon Inc | Harness |
| CN2587089Y (en) * | 2002-11-25 | 2003-11-19 | 富士康(昆山)电脑接插件有限公司 | Cable connector component |
| KR20050033902A (en) * | 2003-10-07 | 2005-04-14 | 삼성전자주식회사 | Fpc cable connector for portable handheld radiotelephone |
| CN2896568Y (en) * | 2006-05-29 | 2007-05-02 | 灿达电子工业股份有限公司 | Improved connector structure suitable to TFT LCD TV set |
| JP2007265640A (en) * | 2006-03-27 | 2007-10-11 | Funai Electric Co Ltd | Cable for liquid crystal panel and liquid crystal display television set |
-
2009
- 2009-12-31 CN CN2009102668149A patent/CN102117982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003016860A (en) * | 2001-07-05 | 2003-01-17 | Canon Inc | Harness |
| CN2587089Y (en) * | 2002-11-25 | 2003-11-19 | 富士康(昆山)电脑接插件有限公司 | Cable connector component |
| KR20050033902A (en) * | 2003-10-07 | 2005-04-14 | 삼성전자주식회사 | Fpc cable connector for portable handheld radiotelephone |
| JP2007265640A (en) * | 2006-03-27 | 2007-10-11 | Funai Electric Co Ltd | Cable for liquid crystal panel and liquid crystal display television set |
| CN2896568Y (en) * | 2006-05-29 | 2007-05-02 | 灿达电子工业股份有限公司 | Improved connector structure suitable to TFT LCD TV set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869934A (en) * | 2012-12-12 | 2014-06-18 | 名硕电脑(苏州)有限公司 | Panel personal computer and control method thereof |
| CN103869934B (en) * | 2012-12-12 | 2016-12-21 | 名硕电脑(苏州)有限公司 | Panel computer and control method thereof |
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Application publication date: 20110706 |