CN109377926B - Test protection device for display panel with back surface connected with FPC - Google Patents
Test protection device for display panel with back surface connected with FPC Download PDFInfo
- Publication number
- CN109377926B CN109377926B CN201811522976.XA CN201811522976A CN109377926B CN 109377926 B CN109377926 B CN 109377926B CN 201811522976 A CN201811522976 A CN 201811522976A CN 109377926 B CN109377926 B CN 109377926B
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- display panel
- crimping
- probe module
- pcb
- fpc
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000002788 crimping Methods 0.000 claims abstract description 41
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000012546 transfer Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005381 potential energy Methods 0.000 abstract 1
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a test protection device for a display panel, which comprises a bottom plate, a display panel carrier arranged on the bottom plate and a crimping structure for crimping a display panel FPC, wherein the top of the display panel carrier is a display panel positioning groove, the crimping structure is arranged in the display panel carrier and positioned below the display panel positioning groove, the display panel carrier is provided with a signal switching PCB (printed Circuit Board) which is electrically connected with the crimping structure and is used for switching signals, the bottom plate is provided with a crimping signal switching PCB and a crimping POGO (potential energy) used for switching signals, and the crimping POGO is electrically connected with a signal output structure which can output signals outwards. The crimping structure transmits signals of the display panel FPC to the signal transfer PCB, the crimping POGO transmits signals of the signal transfer PCB to the signal output PCB cover plate through wires, and the probe points of the signal output PCB cover plate can detect the display panel. The display panel FPC is only crimped once by the crimping structure, so that signal detection of different devices on the display panel can be met, and the damage to the display panel is reduced.
Description
Technical Field
The invention relates to the technical field of testing devices of display panels, in particular to a testing protection device for a display panel with a back surface connected with an FPC.
Background
With the rapid development of flat panel displays and the improvement of living standard of people, display panels are increasingly used in daily life of people. More and more display panel FPC connectors are on the back, so that different inspection devices are required to inspect the same display panel in order to inspect the display panel to produce a series of related products. But most of detection equipment in the current stage is to directly press-connect the FPC connector, and the FPC connector is repeatedly and directly press-connected and detected for a plurality of times, so that the display panel is greatly damaged, and in order to reduce the damage to the display panel and facilitate the operation, a protection device is needed to meet the detection requirements of different equipment to the display panel and simultaneously reduce the damage to the display panel to the minimum.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide the test protection device of the display panel, which can be compatible with the detection requirements of different test equipment on the same product and can protect the product from being continuously damaged.
In order to achieve the purpose, the testing and protecting device for the display panel comprises a bottom plate, a display panel carrier arranged on the bottom plate and a crimping structure for crimping a display panel FPC, wherein the top of the display panel carrier is a display panel positioning groove, and the testing and protecting device is characterized in that: the crimping structure set up in the display panel carrier, be located the display panel constant head tank below, be equipped with on the display panel carrier with crimping structure electricity is connected, is used for switching signal's signal switching PCB, be equipped with the crimping on the bottom plate signal switching PCB, be used for switching signal's crimping POGO, crimping POGO electricity is connected with the signal output structure that can outwards output signal.
Further, the crimping structure comprises a probe module, a signal transfer FPC, a first driving device used for driving the probe module to move to a crimping position, a needle module base and a second driving device, wherein the needle module base and the second driving device are used for driving the probe module to be connected with or separated from the display panel FPC, the first driving device is arranged on the bottom plate, the needle module base is fixed on the movable end of the first driving device, the probe module is arranged at the bottom of the needle module base, the second driving device is fixed on the top of the needle module base, the movable end of the second driving device abuts against the top of the probe module, and two ends of the signal transfer FPC are respectively and fixedly connected with the probe module and the back of the signal transfer PCB.
Further, a notch for the signal transfer FPC to pass through and fixedly connect the probe module and the back of the signal transfer PCB is formed in the side part of the display panel carrier.
Further, the needle mould base includes fixed plate, needle mould turns over board and first spring, the fixed plate is fixed in on the movable end of first drive arrangement, the probe module reciprocate connect in on the fixed plate, be equipped with the pivot on the fixed plate, the middle part cover that the needle mould turned over board is located on the pivot, one side top that the needle mould turned over board with the bottom fixed connection of first spring, the top of first spring is fixed in on the fixed plate, the opposite side that the needle mould turned over board with the bottom contact of probe module.
Furthermore, guide sleeves are respectively fixed at two ends of the bottom of the fixing plate, guide rods are arranged in the guide sleeves along the vertical direction, and the bottoms of the two guide rods are respectively and fixedly connected with two ends of the top of the probe module.
Further, a second spring for contacting with the top of the probe module is fixed at the bottom of the guide sleeve.
Further, two barbs are arranged on the other side of the pin die turning plate and are used for being in contact with the top of the probe module.
Further, two ends of the bottom of the probe module are respectively provided with a notch, and the two barbs are respectively contacted with the top surfaces of the two notches.
Preferably, the first driving device and the second driving device are both cylinders.
Still further, the signal output structure includes being fixed in signal output PCB apron on the bottom plate, signal output PCB apron's the back is equipped with signal output PCB, signal output PCB apron with be connected with the wire rod between the crimping POGO.
The beneficial effects of the invention are as follows: through the crimping structure with display panel FPC's signal transmission to signal transfer PCB on, the signal of rethread crimping POGO with signal transfer PCB passes through the wire rod and transmits to signal output PCB apron, the probe point of crimping signal output PCB apron can detect display panel. The display panel FPC only needs to be crimped once by the crimping structure, so that signal detection of different equipment to the display panel can be met, damage to the display panel is greatly reduced, damage to products due to human factors and detection errors is avoided, and the use mode of the protection device is simple and convenient to install, and has good practicability and market application value.
Drawings
FIG. 1 is a perspective view of a test protection device according to the present invention;
FIG. 2 is a second perspective view of the test protection device according to the present invention;
FIG. 3 is a top view of a test protector according to the present invention;
FIG. 4 is a bottom view of the test protector of the present invention;
FIG. 5 is an exploded view of the test protection device designed in the present invention;
FIG. 6 is a perspective view of a connection of a signal transfer member according to the present invention;
FIG. 7 is a second perspective view of the connection of the signal transfer member of the present invention;
FIG. 8 is a third perspective view of a connection of a signal transfer member according to the present invention;
FIG. 9 is a top view of a connection of a signal transfer member according to the present invention;
FIG. 10 is a front view of the connection of the signal transfer member of the present invention;
FIG. 11 is a bottom view of a connection of a signal transfer member of the present invention;
FIG. 12 is a perspective view of a display panel to be tested according to the present invention;
FIG. 13 is a front view of a display panel to be tested according to the present invention;
FIG. 14 is a left side view of a display panel to be tested according to the present invention;
FIG. 15 is a perspective view of a crimping structure in accordance with the present invention;
FIG. 16 is a front elevational view of the crimping structure of the present invention, shown in a position prior to crimping;
FIG. 17 is a front view of the press bond structure of the present invention in a press bond position;
FIG. 18 is a front view of the crimping structure of the present invention when crimped;
the device comprises a 1-bottom plate, a 2-display panel carrier, a 3-compression joint structure, a 4-display panel FPC, a 5-display panel positioning groove, a 6-probe module, a 7-signal transfer FPC, an 8-signal transfer PCB, a 9-first driving device, a 10-pin die base, a 11-second driving device, a 12-fixing plate, a 13-pin die turning plate, a 14-first spring, a 15-turning shaft, a 16-guide sleeve, a 17-guide rod, a 18-second spring, a 19-barb, a 20-notch, a 21-compression joint POGO, a 22-mounting plate, a 23-mounting bracket, a 24-display panel to be tested, a 25-notch, a 26-signal output PCB cover plate, a 27-signal output PCB, a 28-wire, a 29-product self-carrying two-dimensional code and a 30-buckle.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The test protection device for the display panel shown in fig. 1-18 comprises a bottom plate 1, a display panel carrier 2 arranged on the bottom plate 1 and a compression joint structure 3 for compressing and jointing a display panel FPC4, wherein the top of the display panel carrier 2 is provided with a display panel positioning groove 5, and the compression joint structure 3 is arranged in the display panel carrier 2 and positioned below the display panel positioning groove 5.
The crimping structure 3 includes probe module 6, signal switching FPC7, drive probe module 6 remove to the cylinder (first drive arrangement 9) of crimping position, drive probe module 6 carries out needle mould base 10 and cylinder (second drive arrangement 11) that connect or break away from with display panel FPC4, cylinder (first drive arrangement 9) set up on bottom plate 1, needle mould base 10 is fixed in on the piston rod of cylinder (first drive arrangement 9), probe module 6 sets up in the bottom of needle mould base 10, cylinder (second drive arrangement 11) are fixed in the top of needle mould base 10, the piston rod of cylinder (second drive arrangement 11) supports the top of probe module 6, the both ends of signal switching FPC7 are fixed connection probe module 6 and the back of signal switching PCB8 respectively.
The needle mould base 10 comprises a fixed plate 12, a needle mould turning plate 13 and a first spring 14, wherein the fixed plate 12 is fixed on a piston rod of an air cylinder (a first driving device 9), a turning shaft 15 is arranged on the fixed plate 12, the middle part of the needle mould turning plate 13 is sleeved on the turning shaft 15, the top of one side of the needle mould turning plate 13 is fixedly connected with the bottom of the first spring 14, the top of the first spring 14 is fixed on the fixed plate 12, and the other side of the needle mould turning plate 13 is in contact with the bottom of the probe module 6. Guide sleeves 16 are respectively fixed at two ends of the bottom of the fixing plate 12, guide rods 17 are arranged in the guide sleeves 16 along the vertical direction, and the bottoms of the two guide rods 17 are respectively and fixedly connected with two ends of the top of the probe module 6. A second spring 18 is fixed to the bottom of the guide sleeve 16, which is in contact with the top of the probe module 6. The other side of the pin die flap 13 is provided with two barbs 19. Two ends of the bottom of the probe module 6 are respectively provided with a notch 20, and two barbs 19 are respectively contacted with the top surfaces of the two notches 20.
As shown in fig. 5, a notch 25 for the signal transfer FPC7 to pass through and fixedly connect the probe module 6 and the back surface of the signal transfer PCB8 is formed on the side of the display panel carrier 2.
The display panel carrier 2 is provided with a signal transfer PCB8 connected with the signal transfer FPC7, the bottom plate 1 is provided with a press-connection POGO21 of the press-connection signal transfer PCB8, the bottom plate 1 is fixedly provided with a signal output PCB cover plate 26, the back of the signal output PCB cover plate 26 is provided with a signal output PCB27, and a wire 28 is connected between the signal output PCB cover plate 26 and the press-connection POGO 21.
The working process of the invention is as follows: firstly, the display panel 24 to be tested is placed into the display panel carrier 2, the buckle is pressed to buckle the display panel 24 to be tested, then the FPC of the connected display panel 24 to be tested is pressed from the back through the press connection structure 3, and the scanned product is provided with the two-dimensional code 29 to check, input, store and the like information of the display panel 24 to be tested.
At this time, the signal of the display panel 24 to be tested is sent out to the press-connection POGO21 of the display panel 24 to be tested, the signal of the press-connection POGO21 is sent out to the signal output PCB cover plate on the front through the wire 28, and finally the signal is transferred to the PG through the signal output PCB, so that the screen of the display panel 24 to be tested is lightened.
If the display panel 24 to be detected is required to be detected, only the metal contacts on the PCB cover plate need to be detected, and thus the display panel 4 to be detected can be detected through the metal contacts of the PCB cover plate 26 to be detected only by crimping the display panel FPC4 of the display panel 24 to be detected once.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a display panel's test protection device, includes bottom plate (1), set up in display panel carrier (2) on bottom plate (1) and be used for crimping display panel FPC (4) crimping structure (3), the top of display panel carrier (2) is display panel constant head tank (5), its characterized in that: the crimping structure (3) is arranged in the display panel carrier (2) and is positioned below the display panel positioning groove (5), the display panel carrier (2) is provided with a signal switching PCB (8) which is electrically connected with the crimping structure (3) and is used for switching signals, the base plate (1) is provided with a crimping POGO (21) which is used for crimping the signal switching PCB (8) and is used for switching signals, and the crimping POGO (21) is electrically connected with a signal output structure which can output signals outwards;
the crimping structure (3) comprises a probe module (6), a signal transfer FPC (7), a first driving device (9) for driving the probe module (6) to move to a crimping position, a needle module base (10) and a second driving device (11) for driving the probe module (6) to be connected or separated from the display panel FPC (4), wherein the first driving device (9) is arranged on the bottom plate (1), the needle module base (10) is fixed on the movable end of the first driving device (9), the probe module (6) is arranged at the bottom of the needle module base (10), the second driving device (11) is fixed at the top of the needle module base (10), the movable end of the second driving device (11) abuts against the top of the probe module (6), and two ends of the signal transfer FPC (7) are respectively and fixedly connected with the probe module (6) and the back surface of the signal transfer PCB (8);
a notch (25) for allowing the signal transfer FPC (7) to pass through and fixedly connect the probe module (6) with the back surface of the signal transfer PCB (8) is formed in the side part of the display panel carrier (2);
the signal output structure comprises a signal output PCB cover plate (26) fixed on the bottom plate (1), a signal output PCB (27) is arranged on the back surface of the signal output PCB cover plate (26), and a wire (28) is connected between the signal output PCB cover plate (26) and the press-connection POGO (21);
the display panel FPC (4) is positioned on the back surface of the display panel;
the display panel FPC (4) of the display panel (24) to be tested is crimped from the back side through the crimping structure (3);
the press-connection POGO (21) and the display panel carrier (2) are positioned on the front surface of the bottom plate (1);
the signal output PCB cover plate (26) is positioned on the front surface of the bottom plate (1).
2. The test protection device for a display panel of claim 1, wherein: needle mould base (10) include fixed plate (12), needle mould turns over board (13) and first spring (14), fixed plate (12) are fixed in on the movable end of first drive arrangement (9), probe module (6) can reciprocate connect in on fixed plate (12), be equipped with pivot (15) on fixed plate (12), the middle part cover that needle mould turns over board (13) is located on pivot (15), one side top that needle mould turned over board (13) with the bottom fixed connection of first spring (14), the top of first spring (14) is fixed in on fixed plate (12), the opposite side that needle mould turned over board (13) with the bottom contact of probe module (6).
3. The test protection device of a display panel of claim 2, wherein: guide sleeves (16) are respectively fixed at two ends of the bottom of the fixing plate (12), guide rods (17) are arranged in the guide sleeves (16) along the vertical direction, and the bottoms of the two guide rods (17) are respectively and fixedly connected with two ends of the top of the probe module (6).
4. A test protection device for a display panel as claimed in claim 3, wherein: the bottom of the guide sleeve (16) is fixed with a second spring (18) which is used for contacting with the top of the probe module (6).
5. The test protection device of a display panel of claim 2, wherein: the other side of the pin die turning plate (13) is provided with two barbs (19) for contacting with the top of the probe module (6).
6. The test protection device for a display panel of claim 5, wherein: two ends of the bottom of the probe module (6) are respectively provided with a notch (20), and the two barbs (19) are respectively contacted with the top surfaces of the two notches (20).
7. The test protection device for a display panel of claim 1, wherein: the first driving device (9) and the second driving device (11) are both air cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522976.XA CN109377926B (en) | 2018-12-12 | 2018-12-12 | Test protection device for display panel with back surface connected with FPC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522976.XA CN109377926B (en) | 2018-12-12 | 2018-12-12 | Test protection device for display panel with back surface connected with FPC |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109377926A CN109377926A (en) | 2019-02-22 |
| CN109377926B true CN109377926B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522976.XA Active CN109377926B (en) | 2018-12-12 | 2018-12-12 | Test protection device for display panel with back surface connected with FPC |
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| Country | Link |
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| CN (1) | CN109377926B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901312B (en) * | 2019-03-05 | 2024-07-12 | 武汉精毅通电子技术有限公司 | Detection equipment for display panel cell section |
| CN110208678A (en) * | 2019-06-14 | 2019-09-06 | 武汉天马微电子有限公司 | PCB switching system and fault testing method |
| CN110412444B (en) * | 2019-06-26 | 2021-08-17 | 武汉精立电子技术有限公司 | FPC and screen detection tool |
| CN110570796A (en) * | 2019-09-19 | 2019-12-13 | 南京习成机电科技有限公司 | Transfer line for detecting liquid crystal display screen |
| CN110706630B (en) * | 2019-10-22 | 2022-08-30 | 友达光电（昆山）有限公司 | Electrical detection jig and electrical detection method applied to narrow-frame display panel |
| CN111986596B (en) * | 2020-08-21 | 2022-10-28 | 苏州精濑光电有限公司 | Panel detection device |
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| CN207517340U (en) * | 2017-11-29 | 2018-06-19 | 武汉精立电子技术有限公司 | Vertical crimping structure on measurement jig |
| CN108445658A (en) * | 2018-05-16 | 2018-08-24 | 武汉精测电子集团股份有限公司 | A kind of crimping carrier on automatic turning measurement jig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20140065127A (en) * | 2012-11-21 | 2014-05-29 | 삼성디스플레이 주식회사 | Inspecting apparatus and method thereof |
| JP2017096949A (en) * | 2015-11-24 | 2017-06-01 | フォトン・ダイナミクス・インコーポレーテッド | System and method for electrical inspection of flat panel display device using cell contact probing pads |
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- 2018-12-12 CN CN201811522976.XA patent/CN109377926B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022188A (en) * | 2014-04-17 | 2015-11-04 | 纬创资通股份有限公司 | Display module and electronic device |
| CN105895001A (en) * | 2016-06-24 | 2016-08-24 | 苏州华兴源创电子科技有限公司 | Carrier device for detecting LCD module |
| CN207517340U (en) * | 2017-11-29 | 2018-06-19 | 武汉精立电子技术有限公司 | Vertical crimping structure on measurement jig |
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| Publication number | Publication date |
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| CN109377926A (en) | 2019-02-22 |
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