CN201909918U - Liquid crystal panel detecting device - Google Patents
Liquid crystal panel detecting device Download PDFInfo
- Publication number
- CN201909918U CN201909918U CN 201020692228 CN201020692228U CN201909918U CN 201909918 U CN201909918 U CN 201909918U CN 201020692228 CN201020692228 CN 201020692228 CN 201020692228 U CN201020692228 U CN 201020692228U CN 201909918 U CN201909918 U CN 201909918U
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- liquid crystal
- crystal panel
- detection device
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Abstract
The utility model provides a liquid crystal panel detecting device. The detecting device comprises a base; a groove and a fixing rod are arranged on the upper surface of the base, and the fixing rod is perpendicular to the upper surface of the base; a backlight slides in the groove, and a panel clamping groove is formed on the upper surface of the backlight; a pressure head capable of moving up and down is arranged on the fixing rod; and a crimping end for fixing a flexible circuit board is arranged on the pressure head on the side opposite to the panel clamping groove. By adopting the detecting device provided by the utility model, a terminal lead wire on a detected panel and golden fingers on the flexible circuit board can be in direct contact without ACF (Anisotropic Conductive Film), realizing that the terminal lead wire is in direct contact with the golden fingers of the flexible circuit board for lighting detection without the binding of the ACF, so as to lower the production risks and reduce the waste of the flexible circuit board.
Description
Technical field
The utility model relates to the LCD detection technique, particularly a kind of liquid crystal panel detection device.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display, be called for short: principle of work TFT-LCD) is to utilize the state of electric field controls liquid crystal molecule, thereby can the light that the control backlight produces pass through liquid crystal molecule, and then see through colored filter resistance of all kinds, to reach the multicolour pattern effect on the display screen.
In the manufacture process of TFT-LCD, comprise array (Array), color film (CF), become box (Cell) and module (Module) technology.Wherein, comprise COG (Chip on Glass) technology and FOG (FPC on Glass) technology in the module technology.COG technology is at terminal area (fanout zone) the binding driving circuit (Driver IC) to the box rear panel; FOG technology is at above-mentioned terminal area binding flexible PCB (Flexible Print Circuit, be called for short: FPC), has golden finger on this flexible PCB, terminal area comprises terminal lead (PAD), above-mentioned binding is and utilizes anisotropic conductive (Anisotropic Conductive Film, be called for short: ACF) golden finger is connected together conducting flexible PCB and terminal lead with the terminal lead thermo-compressed.The detection of after FOG technology, generally lighting a lamp, i.e. the inspection machine of lighting a lamp by being connected with flexible PCB, transmission signals is to the terminal lead of golden finger, ACF and the panel of flexible PCB successively, and then panel lighted detect.
But above-mentioned liquid crystal panel detects the following technological deficiency of existence: because the hot pressing interconnection technique that ACF is to use in FOG technology, ACF is just very difficult later in the connection removes, therefore, if it is bad that detected panel is lit a lamp, then must cause the waste of flexible PCB, increase production cost.
The utility model content
The purpose of this utility model provides a kind of liquid crystal panel detection device, solve the problem that causes the flexible PCB waste when panel lighting detects easily, realization makes terminal lead directly contact the detection of lighting a lamp of flexible circuit edge connector without ACF binding, thereby reduces production risk and reduce the waste of flexible PCB.
The utility model provides a kind of liquid crystal panel detection device, comprises pedestal, and the upper surface of described pedestal is provided with groove and fixed bar, and described fixed bar is vertical with the upper surface of described pedestal; Slide in the described groove and be provided with backlight, the upper surface of described backlight is provided with the panel draw-in groove; Described fixed bar is provided with pressure head moving up and down, and the one side relative with described panel draw-in groove of described pressure head is provided with the pressure connection terminal that is used for fixing flexible PCB.
Aforesaid liquid crystal panel detection device, described pressure connection terminal is provided with screw and trip bolt, and described trip bolt penetrates in the described screw.
Aforesaid liquid crystal panel detection device, the face that the penetrates place of described trip bolt and described screw is provided with pad.
Aforesaid liquid crystal panel detection device, described pressure connection terminal also is provided with cushion pad.
Aforesaid liquid crystal panel detection device, described pedestal are the pedestal of ultralumin material.
Liquid crystal panel detection device of the present utility model, by parts such as groove and pressure head are set, can be so that the terminal lead on the detected panel directly contacts without ACF with golden finger on the flexible PCB, solved the problem that causes the flexible PCB waste when panel lighting detects easily, realized making terminal lead directly to contact the detection of lighting a lamp of flexible circuit edge connector, thereby reduced production risk and reduce the waste of flexible PCB without ACF binding.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model liquid crystal panel detection device embodiment;
Fig. 2 is the side view of the panel fixing structural among the utility model liquid crystal panel detection device embodiment;
Fig. 3 is the vertical view of the panel fixing structural among the utility model liquid crystal panel detection device embodiment;
Fig. 4 is the vertical view of the flexible circuit board fixing structure among the utility model liquid crystal panel detection device embodiment;
Fig. 5 is the side view of the flexible circuit board fixing structure among the utility model liquid crystal panel detection device embodiment;
Fig. 6 is the structural representation of the flexible PCB among Fig. 5;
Fig. 7 is that synoptic diagram is used in the contraposition of the utility model liquid crystal panel detection device embodiment;
Fig. 8 is the alignment synoptic diagram of the utility model liquid crystal panel detection device embodiment;
Fig. 9 is the crimped status synoptic diagram of the utility model liquid crystal panel detection device embodiment.
Description of reference numerals:
The 11-pedestal; The 12-groove; The 13-fixed bar;
The 14-pressure head; The 15-backlight; The 16-draw-in groove;
The detected panel of 17-; The 18-trip bolt; The 19-flexible PCB;
The 20-pad; The 21-cushion pad; The 22-switching part;
The 23-connecting portion; The 24-pressure contact portion; The 25-translation field;
26-crimping district; The 27-docking area; The 28-golden finger;
The 29-terminal lead; The 30-terminal area.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
Main technical schemes of the present utility model is, a kind of liquid crystal panel detection device is provided, this device comprises pedestal, pedestal is provided with the groove that is used for fixing backlight and panel, also be provided with fixed bar, this fixed bar is provided with the pressure head that is used for fixing flexible PCB, panel in the pressure connection terminal of pressure head and the groove is relative, thereby can be so that direct crimping contacts with the golden finger on the flexible PCB with the terminal lead on the panel, can carry out lighting test without the ACF binding, reduce the waste of production risk and flexible PCB.
Below by the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model liquid crystal panel detection device embodiment, and as shown in Figure 1, this pick-up unit comprises pedestal 11, and the upper surface of pedestal 11 is provided with groove 12 and fixed bar 13, and fixed bar 13 is vertical with the upper surface of pedestal 11.Pedestal 11 for example can adopt the material of ultralumin, to prevent deformation, is of value to fairly large volume production.
Wherein, slide in the groove 12 and be provided with backlight, the upper surface of backlight is provided with the panel draw-in groove that is used for fixing detected panel.Fixed bar 13 is provided with the pressure head 14 that is used for fixing flexible PCB, and this pressure head 14 can move up and down along fixed bar 13.For example, can be by fixing pressure head 14 such as slide rail or screw, and make pressure head 14 to move up and down along fixed bar 13 by set screw etc.The lower surface that flexible PCB is fixed on pressure head 14 is the pressure connection terminal place, and this pressure connection terminal and panel draw-in groove are oppositely arranged.
In the present embodiment, the structure that backlight and panel are set in the groove 12 is referring to Fig. 2 and Fig. 3, Fig. 2 is the side view of the panel fixing structural among the utility model liquid crystal panel detection device embodiment, and Fig. 3 is the vertical view of the panel fixing structural among the utility model liquid crystal panel detection device embodiment.Pedestal 11 is provided with groove 12, is provided with backlight 15 in the groove 12, and this backlight 15 can slide with respect to pedestal 11 in groove 12.Upper surface at backlight 15 is provided with draw-in groove 16, and detected panel 17 can slip in the draw-in groove 16 along the direction of arrow shown in Fig. 3.The size of this draw-in groove 16 can be made according to the size of detected panel 17.
In the present embodiment, the structure of the pressure head 14 that is provided with on the fixed bar 13 is referring to Fig. 4 and Fig. 5, Fig. 4 is the vertical view of the flexible circuit board fixing structure among the utility model liquid crystal panel detection device embodiment, and Fig. 5 is the side view of the flexible circuit board fixing structure among the utility model liquid crystal panel detection device embodiment.The pressure connection terminal of this pressure head is provided with screw, penetrates in the screw by trip bolt 18, and flexible PCB 19 is fixed on this pressure connection terminal place.Screw cap place at trip bolt 18 is provided with pad 20, this pad 20 further fastening flexible PCB 19 is set.In addition, between the pressure connection terminal of the pressure contact portion of flexible PCB 19 and pressure head, cushion pad 21 is set also, stressed with the crimping that relaxes flexible PCB 19, prevent that flexible PCB 19 from damaging.
Wherein, the structure of above-mentioned flexible PCB 19 is improved with respect to the prior art structure, and referring to shown in Figure 6, Fig. 6 is the structural representation of the flexible PCB among Fig. 5.This flexible PCB has increased length on existing architecture basics, comprise switching part 22, connecting portion 23 and pressure contact portion 24.By increasing its length, can improve ease for use, make it in testing process, be difficult for bend breakage because of too short.
Switching part 22 is provided with various surface mounting technologies (Surface Mounted Technology, be called for short: SMT) components and parts, it can be used to be connected to the inspection machine of lighting a lamp, and translation field 25 that specifically can be by its left end is connected with the hookup on the card extender, and then is connected to the inspection machine of lighting a lamp.Connecting portion 23 is used to connect switching part 22 and pressure contact portion 24.Pressure contact portion 24 is used for and the direct crimping of the terminal lead of detected panel, specifically can be by the crimping district 26 and terminal lead crimping of its right-hand member; Simultaneously, damage, can stiffening plate be set at the right-hand member of this pressure contact portion 24 and the pressure connection terminal back side of cell for preventing this flexible PCB.Between switching part 22 and connecting portion 23, and the docking area 27 between connecting portion 23 and the pressure contact portion 24, can be by ACF hot pressing butt joint conducting.
Below explanation utilizes the principle that the liquid crystal panel detection device of present embodiment is lit a lamp and detected:
At first, can and shown in Figure 3 detected panel 17 be inserted in the draw-in grooves 16 according to Fig. 2, and according to Fig. 4 and the pressure connection terminal place that flexible PCB 19 is fixed on pressure head shown in Figure 5.
Then, the terminal lead on golden finger on the flexible PCB 19 and the detected panel 17 is carried out contraposition.Specifically can be referring to Fig. 7, Fig. 8 and shown in Figure 9 to bitmap, Fig. 7 is that synoptic diagram is used in the contraposition of the utility model liquid crystal panel detection device embodiment, Fig. 8 is the alignment synoptic diagram of the utility model liquid crystal panel detection device embodiment, and Fig. 9 is the crimped status synoptic diagram of the utility model liquid crystal panel detection device embodiment.
Wherein, the crimping district on flexible PCB 19 is provided with golden finger 28, and the terminal area 30 on detected panel 17 is provided with terminal lead 29.Can use magnifier to carry out contraposition in the process of contraposition, magnifier be simple to method for position, and easy operating and failure rate are low.Magnifier is observed the alignment of golden finger 28 and terminal lead 29 down, and the relative position of terminal lead 29 and golden finger 28 is constantly adjusted, and it is accurate to make it contraposition.And after adjusting contraposition and finishing, the fixing position of backlight 15 makes once more and can readjust the position when putting into detected panel 17 in the draw-in groove on backlight 15 16.
Then,, after contraposition is finished, press down the pressure head 14 of this liquid crystal panel detection device, make that the golden finger 28 on the flexible PCB 19 contacts well with terminal lead 29 on the detected panel 17, thereby light detected panel 17 referring to Fig. 9.
This liquid crystal panel detection device can promptly carry out lighting test to detected panel after COG technology is finished and before the FOG technology, be compared to the lighting test after present FOG technology is finished, can detect the bad of detected panel in advance, when scale of mass production, can reduce the risk of production; Simultaneously for the bad influence of flexible PCB can the discharge outside of lighting a lamp, product is that the batch of detected panel is bad after finishing for the COG technology that occurs in the engineering, if after COG technology is finished, just can in time detect, can reduce the waste of flexible PCB; And owing to do not use ACF to carry out the FOG binding, flexible PCB can be repeatedly used, and cuts the waste.
The liquid crystal panel detection device of present embodiment, by parts such as groove and pressure head are set, can be so that the terminal lead on the detected panel directly contacts without ACF with golden finger on the flexible PCB, solved the problem that causes the flexible PCB waste when panel lighting detects easily, realized making terminal lead directly to contact the detection of lighting a lamp of flexible circuit edge connector, thereby reduced production risk and reduce the waste of flexible PCB without ACF binding.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a liquid crystal panel detection device is characterized in that, comprises pedestal, and the upper surface of described pedestal is provided with groove and fixed bar, and described fixed bar is vertical with the upper surface of described pedestal;
Slide in the described groove and be provided with backlight, the upper surface of described backlight is provided with the panel draw-in groove; Described fixed bar is provided with pressure head moving up and down, and the one side relative with described panel draw-in groove of described pressure head is provided with the pressure connection terminal that is used for fixing flexible PCB.
2. liquid crystal panel detection device according to claim 1 is characterized in that described pressure connection terminal is provided with screw and trip bolt, and described trip bolt penetrates in the described screw.
3. liquid crystal panel detection device according to claim 2 is characterized in that, the face that the penetrates place of described trip bolt and described screw is provided with pad.
4. liquid crystal panel detection device according to claim 1 is characterized in that described pressure connection terminal also is provided with cushion pad.
5. liquid crystal panel detection device according to claim 1 is characterized in that, described pedestal is the pedestal of ultralumin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020692228 CN201909918U (en) | 2010-12-30 | 2010-12-30 | Liquid crystal panel detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020692228 CN201909918U (en) | 2010-12-30 | 2010-12-30 | Liquid crystal panel detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909918U true CN201909918U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020692228 Expired - Lifetime CN201909918U (en) | 2010-12-30 | 2010-12-30 | Liquid crystal panel detecting device |
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| Country | Link |
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| CN (1) | CN201909918U (en) |
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| CN103499894A (en) * | 2013-10-22 | 2014-01-08 | 合肥京东方光电科技有限公司 | Signal line connector and display panel detection device and method |
| CN103698913A (en) * | 2013-12-18 | 2014-04-02 | 京东方科技集团股份有限公司 | Backlight source lighting-on jig |
| WO2014059634A1 (en) * | 2012-10-18 | 2014-04-24 | Zhao Lin | Connection device for testing liquid crystal displays |
| CN104076217A (en) * | 2014-06-25 | 2014-10-01 | 苏州华兴源创电子科技有限公司 | Automatic pressure connecting testing device for liquid crystal display panels |
| CN104317125A (en) * | 2014-11-13 | 2015-01-28 | 合肥鑫晟光电科技有限公司 | Display device |
| CN104427771A (en) * | 2013-09-10 | 2015-03-18 | 北大方正集团有限公司 | Circuit board fixing device, drilling machine and circuit board fixing method during drilling |
| CN104515914A (en) * | 2013-10-08 | 2015-04-15 | 全研科技有限公司 | Testing mechanism and testing method of alignment and conductivity of bed type optical components |
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| CN106771980A (en) * | 2017-01-16 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of flexible circuit board detecting device and detection method |
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| CN107478871A (en) * | 2017-09-08 | 2017-12-15 | 武汉精测电子技术股份有限公司 | It is a kind of to be used for flexible OLED panel and FPC automatic aligning lighting-up equipment |
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| JP2018165715A (en) * | 2017-02-28 | 2018-10-25 | シャンハイ マイクロ エレクトロニクス イクイプメント（グループ）カンパニー リミティド | Automatic power-on device and method |
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| CN110785802A (en) * | 2017-10-18 | 2020-02-11 | 深圳市柔宇科技有限公司 | Electric connection device and test machine |
| CN111754904A (en) * | 2020-06-19 | 2020-10-09 | 北京瑞荣达电子技术有限公司 | Liquid crystal display panel jam-proof detection device |
| CN114296263A (en) * | 2022-01-25 | 2022-04-08 | 昆山龙腾光电股份有限公司 | Lighting test circuit, display panel and display device |
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2010
- 2010-12-30 CN CN 201020692228 patent/CN201909918U/en not_active Expired - Lifetime
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| CN104427771B (en) * | 2013-09-10 | 2019-02-26 | 北大方正集团有限公司 | Fixing means when drilling machine and circuit boring |
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| CN104515914A (en) * | 2013-10-08 | 2015-04-15 | 全研科技有限公司 | Testing mechanism and testing method of alignment and conductivity of bed type optical components |
| CN103499894A (en) * | 2013-10-22 | 2014-01-08 | 合肥京东方光电科技有限公司 | Signal line connector and display panel detection device and method |
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| CN104076217A (en) * | 2014-06-25 | 2014-10-01 | 苏州华兴源创电子科技有限公司 | Automatic pressure connecting testing device for liquid crystal display panels |
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| CN109991451A (en) * | 2019-04-19 | 2019-07-09 | 南京微桥检测技术有限公司 | Display module Precision measurement crimps probe |
| CN109991451B (en) * | 2019-04-19 | 2022-01-18 | 南京微桥检测技术有限公司 | Display module precision detection crimping testing device |
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| CN111754904A (en) * | 2020-06-19 | 2020-10-09 | 北京瑞荣达电子技术有限公司 | Liquid crystal display panel jam-proof detection device |
| CN114296263A (en) * | 2022-01-25 | 2022-04-08 | 昆山龙腾光电股份有限公司 | Lighting test circuit, display panel and display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |
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| CX01 | Expiry of patent term |