CN202693933U - Liquid crystal module - Google Patents
Liquid crystal module Download PDFInfo
- Publication number
- CN202693933U CN202693933U CN 201220217801 CN201220217801U CN202693933U CN 202693933 U CN202693933 U CN 202693933U CN 201220217801 CN201220217801 CN 201220217801 CN 201220217801 U CN201220217801 U CN 201220217801U CN 202693933 U CN202693933 U CN 202693933U
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- China
- Prior art keywords
- liquid crystal
- crystal panel
- line
- flexible pcb
- detection line
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Abstract
The utility model is applicable to the field of liquid crystal display and provides a liquid crystal module. The liquid crystal module comprises a liquid crystal panel and flexible circuit boards, wherein the flexible circuit boards and the liquid crystal panel are assembled together; and the liquid crystal module further comprises a liquid crystal panel breakage detection line which extends around the periphery of the liquid crystal panel and at least one end of which is educed out of the liquid crystal panel, and a circuit board tear detection line which penetrates through the flexible circuit boards and stretches into the liquid crystal panel and at least one end of which is educed out. Through detection on the liquid crystal panel breakage detection line and the circuit board tear detection line, the breakage condition of the liquid crystal module can be detected at any time, so that measures can be taken in time to ensure the reliability and safety of the liquid crystal module.
Description
Technical field
The utility model belongs to field of liquid crystal display, is specifically related to a kind of liquid crystal module.
Background technology
Liquid crystal display is the flat-panel monitor of commonly using, and the production testing automaticity of its liquid crystal module is more and more higher.Wherein, liquid crystal panel is two very important parts of liquid crystal module with the flexible PCB that is connected on the liquid crystal panel.Along with the raising of the security requirement of the reliability of liquid crystal module itself and application thereof, it also is necessary that liquid crystal panel and the circuit board that is connected with liquid crystal panel are detected accordingly.
The utility model content
In view of this, provide a kind of liquid crystal module of being convenient to carry out self integrity detection.
The utility model is achieved in that a kind of liquid crystal module, and it comprises liquid crystal panel and flexible PCB, and described flexible PCB and liquid crystal panel are assembled together.Described liquid crystal module also comprises around liquid crystal panel is peripheral extends and has at least the damaged detection line of liquid crystal panel that an end is drawn, and passes flexible PCB and the circuit board that stretches into liquid crystal panel and have at least an end to draw is torn detection line.
Further, draw from flexible PCB at the two ends of the damaged detection line of described liquid crystal panel, and the damaged detection line of described liquid crystal panel is positioned at part on the flexible PCB and is arranged on circuit board and tears the detection line outside.
Further, described flexible PCB comprises the fillet that connects with liquid crystal panel, the free margins parallel with fillet and two sides between fillet and free margins; The damaged detection line of described liquid crystal panel penetrates flexible PCB from the fillet of flexible PCB, and draws from free margins after the edge extension of the side adjacent with point of entrance.
Further, described circuit board is torn detection line and is comprised stretching into line and being positioned at the connecting line in the flexible circuit outside of extending along the relative two edges of flexible PCB, and the described line that stretches into links together by connecting line.
Further, described circuit board is torn detection line and is also comprised and the line that turns back that stretches into line parallel, and the described line that turns back is contiguous and connect the corresponding line that stretches into, and is stretching between the line.
Further, the described line that stretches into enters flexible PCB from the outside by the free margins two ends, and extends along the edge of the side adjacent with inlet point, until extend on the liquid crystal panel.
Further, described turn back line with stretch into that line is terminal to be connected, and after the direction opposite with the bearing of trend that stretches into line turned back, pass free margins, a turn back end of line of described connecting line connection.
Further, described liquid crystal panel at least on one side on be provided with two flexible PCBs, each draws the two ends of the damaged detection line of described liquid crystal panel since the free margins of the flexible PCB of correspondence, and the line that stretches into away from the damaged detection line of liquid crystal panel on the flexible PCB interconnects.
Further, described liquid crystal module comprises a plurality of flexible PCBs with the liquid crystal panel assembling, described a plurality of flexible PCB is in the liquid crystal panel circumferential distribution, and the circuit board on each flexible PCB is torn detection line and stretched into liquid crystal panel along an edge of flexible PCB and oppositely extend along another edge of flexible PCB.
Further, the circuit board on described a plurality of flexible PCB is torn detection line and is connected in turn.
The damaged detection line of liquid crystal panel and circuit board are set on the above-mentioned liquid crystal module tear detection line.If liquid crystal panel exists crackle or breakage, what at first destroy is the damaged detection line of liquid crystal panel, by detecting the break-make of the damaged detection line of liquid crystal panel, judges the integrality of liquid crystal panel.If the flexible PCB outer peripheral areas has crackle or flexible PCB to tear from liquid crystal panel, what at first destroy is that circuit board is torn detection line, the break-make of tearing detection line by detect detecting the road plate, the integrality of judging flexible PCB with and and liquid crystal panel between connection state.As seen, detect by the damaged detection line of liquid crystal panel and circuit board are torn detection line, can detect at any time the damaged situation of liquid crystal module, in order in time make reply, guarantee reliability and the security of liquid crystal module.
Description of drawings
Fig. 1 is the structural representation of the liquid crystal module that provides of an embodiment of the present utility model.
Fig. 2 is the structural representation of the liquid crystal module that provides of another embodiment of the present utility model.
Fig. 3 is the structural representation of the liquid crystal module that provides of another embodiment of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1, the liquid crystal module 10 of the utility model one embodiment comprises liquid crystal panel 12 and the flexible PCB 14 that is assembled together with liquid crystal panel 12.In the present embodiment, flexible PCB 14 links together with liquid crystal panel 12.Liquid crystal module 10 comprises that also the damaged detection line 16 of liquid crystal panel and circuit board tear detection line 18.Flexible PCB 14 comprises the fillet 142 that connects with liquid crystal panel 12, the free margins 144 parallel with fillet 142 and two sides 146 between fillet 142 and free margins 144.
The damaged detection line 16 of liquid crystal panel is around liquid crystal panel 12 peripheral extensions, and its two ends draw from the flexible PCB 14 that is connected with liquid crystal panel 12, detects its on off operating mode for peripherals, thus the integrality of judgement liquid crystal panel.Particularly, the damaged detection line 16 of liquid crystal panel penetrates flexible PCB 14 from the fillet 142 of flexible PCB 14, and draws from free margins 144 after the edge extension of the side 146 adjacent with point of entrance.Further, the extension of the damaged detection line 16 of liquid crystal panel can connect respectively test probe, obtain resistance or the electric current at these test probe two ends by test probe, also be resistance or the electric current on the damaged detection line 16 of liquid crystal panel, and judge by resistance or electric current that test obtains whether liquid crystal panel 12 exists crackle or breakage.For example: if the resistance on the damaged detection line 16 of liquid crystal panel is larger, greater than a certain threshold value, show that then liquid crystal panel 12 outer peripheral areas have crackle or breakage.The resistance threshold of the damaged detection line 16 of liquid crystal panel can according to actual needs, be determined by conductance, length and the xsect of the damaged detection line 16 of liquid crystal panel.In addition, the part that is positioned on the liquid crystal panel 12 of the damaged detection line 16 of liquid crystal panel for example is continuous conductive pattern.
Circuit board is torn and is turned back after detection line 18 passes the relative two edges extension of flexible PCB 14 and stretches into liquid crystal panel 12.Circuit board tear detection line 18 comprise link together stretch into line 182, line 184 and connecting line 186 turn back.Being positioned at the damaged detection line 16 of liquid crystal panel on the flexible PCB 14 is arranged on circuit board and tears detection line 18 outsides.Stretch into line 182 and enter flexible PCB 14 from the outside by free margins 144 two ends, and extend along the edge of the side 146 adjacent with inlet point, until extend on the liquid crystal panel 12.Stretching into line 182 extends along the relative two edges of flexible PCB 14, and be inserted in the flexible PCB 14, be illustrated as two and stretch into line 182, certainly wherein one stretch into line 182 and also can be described as and stretch out line, for example, stretching out line can be to be positioned at the line that flexible PCB 14 has exit.Turn back line 184 with stretch into that line 182 is terminal to be connected, line 182 is parallel with stretching into, and the edge direction opposite with the bearing of trend that stretches into line 182 passes free margins 144 after turning back.The line 184 of turning back is contiguous and connect the corresponding line 182 that stretches into, and stretches between the line 182 at two.That is to say that circuit board is torn detection line 18 through each side of flexible PCBs 14 146 twice.Connecting line 186 connects the end that the line 184 that turns back passes free margins 144.In the present embodiment, two flexible PCBs 14 are set on the liquid crystal panel 12, each draws the two ends of the damaged detection line 16 of liquid crystal panel since the free margins 144 of the flexible PCB 14 of correspondence.The line 182 that stretches into away from the damaged detection line 16 of liquid crystal panel on the flexible PCB 14 interconnects.The line 182 that stretches near the damaged detection line 16 of liquid crystal panel detects its on off operating mode for peripherals, thus judge flexible PCB 14 integrality and with the connection state of liquid crystal panel.Further, tear stretching into line 182 and can connecing respectively test probe of detection line 18 near circuit board, obtain resistance or the electric current at these test probe two ends by test probe, also be that circuit board is torn resistance or the electric current on the detection line 18, and the resistance that obtains by test or electric current judge flexible PCB 14 integrality and with the connection state of liquid crystal panel 12.For example: if the resistance that circuit board is torn on the detection line 18 is larger, greater than a certain threshold value, show that then flexible PCB 14 outer peripheral areas have crackle or flexible PCB 14 to tear from liquid crystal panel 12.
Be understandable that the setting of tearing detection line 18 for circuit board is not limited to previous embodiment.According to actual needs, to tear detection line 18 can also be only to extend once (for example Fig. 2) along each side of flexible PCB 14 to circuit board.This moment the line 184 that can turn back, that is, circuit board is torn detection line and is comprised stretching into line 182 and being positioned at the connecting line 186 in flexible circuit 14 outsides of extending along flexible PCB 14 relative two edges, stretches into line 184 and links together by connecting line 186.In addition, circuit board on each flexible PCB 14 is torn detection line 18 and can be arranged separately in order to each flexible PCB 14 is detected separately, certainly, the circuit board on all flexible PCBs 14 is torn detection line 18 and also can be connected in turn.With the damaged detection line 16 of liquid crystal panel similarly, it also can be that only the one end detects for peripherals as exit that circuit board is torn detection line 18, and the other end is arranged on the flexible PCB 14 in order to signal to be provided.
According to actual needs, in the liquid crystal module 10 of the present utility model, the damaged detection line 16 of liquid crystal panel also can be that the one end detects for peripherals as exit, and the other end is arranged on the liquid crystal panel 12 in order to signal to be provided.Size according to liquid crystal panel is different, and the flexible PCB 14 that uses with liquid crystal panel 12 collocation can link together with liquid crystal panel 12 as described in previous embodiment, also can be unsettled setting; Therefore, the damaged detection line 16 of liquid crystal panel that is arranged on the liquid crystal panel 12 can pass the flexible PCB 14 that uses with liquid crystal panel 12 collocation as described in previous embodiment, also can not need pass with the flexible PCB 14 of liquid crystal panel 12 collocation uses and directly draw from liquid crystal panel 14.As shown in Figure 3, the damaged detection line 16 of liquid crystal panel, is drawn and directly draw the edge from liquid crystal panel 14 without flexible PCB 14 at the exit that is arranged in diagram the right.
Further, as shown in Figure 3, in actual applications, liquid crystal module 10 can comprise a plurality of flexible PCBs 14 with liquid crystal panel 12 assemblings, a plurality of flexible PCBs 14 are in liquid crystal panel 12 circumferential distribution, for example, are distributed in one side of liquid crystal panel 12, more than the both sides, among the embodiment of Fig. 3 just example go out a plurality of flexible PCBs 14 on both sides, the structure that damaged detection line 16 and circuit board are torn detection line 18 also can be released according to illustrated structure class in other limits.Among Fig. 3, the circuit board on each flexible PCB 14 is torn detection line 18 and is stretched into liquid crystal panel 12 along an edge of flexible PCB 14 and oppositely extend along another edge of flexible PCB 14.The damaged detection line 16 of liquid crystal panel is positioned at the periphery that circuit board is torn detection line 18, can have an extension line to draw along flexible PCB 14 edges, and an extension line of directly drawing from liquid crystal panel 14 edges also can be arranged.In addition, the circuit board on a plurality of flexible PCBs 14 is torn detection line 16 and is connected in turn.
In sum, if liquid crystal panel 12 exists crackle or breakage, what at first destroy is the damaged detection line 16 of liquid crystal panel, by detecting the break-make of the damaged detection line 16 of liquid crystal panel, can judge the integrality of liquid crystal panel 12; If flexible PCB 14 outer peripheral areas have crackle or flexible PCB 14 to tear from liquid crystal panel 12, what at first destroy is that circuit board is torn detection line 18, the break-make of tearing detection line 18 by detect detecting the road plate, the integrality that can judge flexible PCB 14 with and and liquid crystal panel 12 between connection state.As seen, detect by the damaged detection line 16 of liquid crystal panel and circuit board are torn detection line 18, can detect at any time the damaged situation of liquid crystal module, in order in time make reply, guarantee reliability and the security of liquid crystal module.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. liquid crystal module, it comprises liquid crystal panel and flexible PCB, and described flexible PCB and liquid crystal panel are assembled together, and it is characterized in that, and the damaged detection line of the liquid crystal panel that described liquid crystal module also comprises and circuit board are torn detection line; The damaged detection line of described liquid crystal panel is around the peripheral extension of liquid crystal panel and have at least an end to draw; Described circuit board is torn detection line and is passed the relative two edges extension of flexible PCB and stretch into liquid crystal panel, and has at least an end to draw.
2. liquid crystal module as claimed in claim 1 is characterized in that, draw from flexible PCB at the two ends of the damaged detection line of described liquid crystal panel, and the damaged detection line of described liquid crystal panel is positioned at part on the flexible PCB and is arranged on circuit board and tears the detection line outside.
3. liquid crystal module as claimed in claim 1 or 2 is characterized in that, described flexible PCB comprises the fillet that connects with liquid crystal panel, the free margins parallel with fillet and two sides between fillet and free margins; The damaged detection line of described liquid crystal panel penetrates flexible PCB from the fillet of flexible PCB, and draws from free margins after the edge extension of the side adjacent with point of entrance.
4. liquid crystal module as claimed in claim 3 is characterized in that, described circuit board is torn detection line and comprised stretching into line and being positioned at the connecting line in the flexible circuit outside of extending along the relative two edges of flexible PCB, and the described line that stretches into links together by connecting line.
5. liquid crystal module as claimed in claim 4 is characterized in that, described circuit board is torn detection line and also comprised and the line that turns back that stretches into line parallel, and the described line that turns back is contiguous and connect the corresponding line that stretches into, and is stretching between the line.
6. liquid crystal module as claimed in claim 5 is characterized in that, the described line that stretches into enters flexible PCB from the outside by the free margins two ends, and extends along the edge of the side adjacent with inlet point, until extend on the liquid crystal panel.
7. liquid crystal module as claimed in claim 6 is characterized in that, described turn back line with stretch into that line is terminal to be connected, and after the direction opposite with the bearing of trend that stretches into line turned back, pass free margins, a turn back end of line of described connecting line connection.
8. liquid crystal module as claimed in claim 5, it is characterized in that, described liquid crystal panel at least on one side on be provided with two flexible PCBs, each draws the two ends of the damaged detection line of described liquid crystal panel since the free margins of the flexible PCB of correspondence, and the line that stretches into away from the damaged detection line of liquid crystal panel on the flexible PCB interconnects.
9. liquid crystal module as claimed in claim 1, it is characterized in that, described liquid crystal module comprises a plurality of flexible PCBs with the liquid crystal panel assembling, described a plurality of flexible PCB is in the liquid crystal panel circumferential distribution, and the circuit board on each flexible PCB is torn detection line and stretched into liquid crystal panel along an edge of flexible PCB and oppositely extend along another edge of flexible PCB.
10. liquid crystal module as claimed in claim 9 is characterized in that, the circuit board on described a plurality of flexible PCBs is torn detection line and is connected in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217801 CN202693933U (en) | 2012-05-16 | 2012-05-16 | Liquid crystal module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217801 CN202693933U (en) | 2012-05-16 | 2012-05-16 | Liquid crystal module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693933U true CN202693933U (en) | 2013-01-23 |
Family
ID=47549523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217801 Expired - Lifetime CN202693933U (en) | 2012-05-16 | 2012-05-16 | Liquid crystal module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693933U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162246A (en) * | 2013-03-08 | 2013-06-19 | 西蒙电气（中国）有限公司 | Light-emitting diode (LED) panel light assembly system |
| CN103323963A (en) * | 2013-07-04 | 2013-09-25 | 京东方科技集团股份有限公司 | Display module, detection circuit of display module and manufacturing method thereof |
| CN106681075A (en) * | 2017-03-23 | 2017-05-17 | 京东方科技集团股份有限公司 | Display panel, array substrate, manufacturing method of array substrate and detection circuit |
| CN108646463A (en) * | 2018-03-26 | 2018-10-12 | 厦门天马微电子有限公司 | Backlight module and detection backlight module whether the method and display device of heavy industry |
| WO2019205432A1 (en) * | 2018-04-24 | 2019-10-31 | 深圳市华星光电技术有限公司 | Driving system and driving method for display device, and display device |
-
2012
- 2012-05-16 CN CN 201220217801 patent/CN202693933U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162246A (en) * | 2013-03-08 | 2013-06-19 | 西蒙电气（中国）有限公司 | Light-emitting diode (LED) panel light assembly system |
| CN103162246B (en) * | 2013-03-08 | 2014-06-11 | 西蒙电气（中国）有限公司 | Light-emitting diode (LED) panel light assembly system |
| CN103323963A (en) * | 2013-07-04 | 2013-09-25 | 京东方科技集团股份有限公司 | Display module, detection circuit of display module and manufacturing method thereof |
| WO2015000264A1 (en) * | 2013-07-04 | 2015-01-08 | 京东方科技集团股份有限公司 | Display module, detection circuit of display module and manufacturing method thereof |
| CN106681075A (en) * | 2017-03-23 | 2017-05-17 | 京东方科技集团股份有限公司 | Display panel, array substrate, manufacturing method of array substrate and detection circuit |
| CN108646463A (en) * | 2018-03-26 | 2018-10-12 | 厦门天马微电子有限公司 | Backlight module and detection backlight module whether the method and display device of heavy industry |
| CN108646463B (en) * | 2018-03-26 | 2021-07-09 | 厦门天马微电子有限公司 | Backlight module, method for detecting reworking of backlight module and display device |
| WO2019205432A1 (en) * | 2018-04-24 | 2019-10-31 | 深圳市华星光电技术有限公司 | Driving system and driving method for display device, and display device |
| US10962845B1 (en) | 2018-04-24 | 2021-03-30 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Driving system of display device, driving method and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |