CN109243345B - Display panel switches on frock - Google Patents
Display panel switches on frock Download PDFInfo
- Publication number
- CN109243345B CN109243345B CN201811197001.4A CN201811197001A CN109243345B CN 109243345 B CN109243345 B CN 109243345B CN 201811197001 A CN201811197001 A CN 201811197001A CN 109243345 B CN109243345 B CN 109243345B
- Authority
- CN
- China
- Prior art keywords
- fpc
- display panel
- top plate
- conducting device
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000002788 crimping Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a display panel conduction tool which comprises a support, wherein the support comprises a top plate and a bottom plate, a carrier is arranged on the top plate, a limiting fixing structure for positioning a liquid crystal screen and a hole for avoiding an FPC are arranged on the carrier, a triangle supporting structure which is obliquely arranged is arranged between the top plate and the bottom plate, the supporting structure is arranged below the hole, one end of the triangle supporting structure is fixedly connected with the bottom plate, the other end of the triangle supporting structure is in lap joint with the top plate, and a conduction device for connecting the FPC is fixedly connected on the supporting structure. The utility model has simple structure and convenient use, and the loading device and the conducting device are respectively arranged on the upper layer and the lower layer of the double-layer bracket, and the hole for the FPC to pass through is processed on the loading device, thereby avoiding the overturning step when the display panel is manually conducted, and greatly facilitating the crimping conduction of the FPC.
Description
Technical Field
The utility model relates to a conduction tool, belongs to the technical field of testing of nonstandard products such as electronic screens and the like, and particularly relates to a display panel conduction tool.
Background
By virtue of rapid development of display panel technology and continuous improvement of living standard of people, electronic devices such as flat plates and mobile phones are increasingly widely applied to daily life of people. The usability of electronic devices such as tablet and mobile phones is mainly determined by the quality of the display panel, so in order to obtain a good use experience for users of electronic products, the quality of the display panel must be strictly controlled in the manufacturing process of the display panel.
In order to effectively ensure the quality of the display panel, a technician can perform a series of performance tests, such as a lighting test and a Gamma Tuning test, on the display panel in the production process of the display panel, and the tests all need to connect with an FPC on the display panel by using a conduction device, so as to realize the conduction of the display panel.
Currently, display panels are mainly composed of 2 main parts: a liquid crystal screen and an FPC. The structure of the display panel is as follows: the FPC is mounted on the front surface of the liquid crystal screen and is arranged in parallel with the liquid crystal screen. When various performance tests are carried out on the conventional display panels, the automatic press-connection structure of the FOG liquid crystal screen disclosed in the Chinese patent No. 203941360U or the detection end device used on the liquid crystal module detector disclosed in the Chinese patent No. CN106940976A are generally adopted for conducting in the prior art.
In addition to the usual display panels, there are also special display panel structures as shown in fig. 1 and 2 of the description: the FPC is arranged on the back of the liquid crystal screen, an included angle exists between the FPC and the liquid crystal screen, A represents the liquid crystal screen, and B represents the FPC. When each performance test is performed on the special display panel, if the conducting device in CN203941360U or CN106940976A is directly used for conducting connection on the special display panel, the conducting device can be connected after the FPC is folded to be parallel to the liquid crystal screen, and the FPC can be damaged by the folding.
Therefore, in the display panel with an included angle between the FPC and the lcd shown in fig. 1 and 2, it is usually required for the inspector to manually turn over the connection and conduction device, so that the inspection efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the display panel conduction tool which is simple in structure and can stably and rapidly realize the conduction of the display panel.
In order to solve the technical problems, the utility model adopts the display panel conduction tool which comprises a bracket, wherein the bracket comprises a top plate and a bottom plate, a carrier is arranged on the top plate, a limiting and fixing structure for positioning a liquid crystal screen and a hole for avoiding an FPC are arranged on the carrier, a supporting structure which is obliquely arranged is arranged between the top plate and the bottom plate, the supporting structure is arranged below the hole, one end of the supporting structure is fixedly connected with the bottom plate, the other end of the supporting structure is fixedly connected with the top plate in a lap joint manner, and a conduction device for connecting the FPC is fixedly connected on the supporting structure.
In a preferred embodiment of the present utility model, the degree of the angle between the support structure and the chassis corresponds to the degree of the angle between the FPC and the display panel.
In a preferred embodiment of the present utility model, the supporting structure includes a supporting frame and a conducting device mounting plate, the supporting frame is fixedly connected above the bottom plate, one side of the conducting device mounting plate is fixedly connected with the inclined plane of the supporting frame, and the other side of the conducting device mounting plate is overlapped with the top plate of the supporting frame.
In a preferred embodiment of the present utility model, the degree of inclination of the inclined surface of the supporting frame corresponds to the degree of the included angle between the FPC and the display panel.
In a preferred embodiment of the utility model, the conducting device mounting plate is fixedly connected with an FPC limit guide block.
In a preferred embodiment of the present utility model, the FPC limit guide block includes a limit land portion disposed along the FPC wide side and a guide slope portion disposed along the FPC long side, the guide slope portion being located between the limit land portions.
In a preferred embodiment of the present utility model, the limiting and fixing structure includes limiting blocks disposed around the carrier and vacuum suction disposed in the middle of the carrier.
In a preferred embodiment of the present utility model, a PCB signal board is disposed on the base plate, and the PCB signal board is electrically connected to the conducting device.
In a preferred embodiment of the utility model, the top plate is connected above the bottom plate by a side plate support.
In a preferred embodiment of the present utility model, the hole is a square hole, and a guide slope is provided on a side of the square hole close to the FPC.
The beneficial effects of the utility model are as follows: the utility model has simple structure and convenient use, the upper layer and the lower layer of the bracket are respectively provided with the carrier and the conduction device, and the upper layer and the lower layer of the bracket are provided with the supporting structure for positioning and supporting the FPC, and meanwhile, the carrier is provided with the holes for the FPC to pass through, so that the turnover step when the display panel is conducted manually is avoided, the press connection and the conduction of the FPC are greatly facilitated, and meanwhile, the conduction device is designed to be in inclined arrangement, so that the bending of the FPC in the conduction process is avoided, and the conduction stability in the test process is improved; furthermore, the included angle between the supporting structure and the bottom plate is designed to be equal to the included angle between the FPC and the display panel, so that bending of the FPC when the FPC is connected with the conducting device is avoided, and the service life of the FPC and the conducting stability in the testing process are improved; furthermore, the support structure is designed into a split structure that the support frame is matched with the mounting plate of the conducting device, so that the whole FPC is supported, the FPC is conveniently conducted, and the bending of the FPC is avoided; furthermore, the FPC limiting guide block is added on the mounting plate of the conducting device, so that the FPC can be effectively kept to be effectively conducted even if vibration or displacement occurs in the detection process through the limiting table part, and meanwhile, an operator can conveniently and manually connect the FPC with the conducting device through the guide inclined surface part; furthermore, the holes on the carrier are designed into the square hole structure with the inclined plane, so that the carrier, the mounting plate of the conducting device and the conducting device are smoothly butted, and the FPC and the conducting device can be smoothly guided to be smoothly pressed and connected.
Drawings
FIG. 1 is a front view of a display panel structure in which an FPC is positioned on the back surface of the display panel and an angle is formed between the FPC and the display panel;
FIG. 2 is a top view of a display panel structure with an FPC on the back of the display panel and an angle between the FPC and the display panel;
FIG. 3 is a front isometric view of a display panel turn-on tool according to an embodiment of the present utility model;
fig. 4 is a rear view isometric view of a display panel turn-on tool according to an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a display panel turn-on tool according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of an FPC spacing guide block in the display panel conduction tooling according to the embodiment of the present utility model;
in the figure: a-a liquid crystal screen; B-FPC; 1-a bracket; 2-a carrier; 3-conducting means; 4-a PCB signal board; 5-a limiting and fixing structure; 6-hole; 7-a support structure; 8-FPC limiting guide blocks; 9-a substrate; 1.1-top plate; 1.2-a bottom plate; 1.3-side panels; 6.1-guiding inclined plane; 7.1-supporting frames; 7.2-conducting device mounting plate; 8.1-limit table parts; 8.2-guiding ramp portion; 5.1-limiting blocks; 5.2-vacuum sucking.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The display panel conduction tool shown in the specification and the drawing comprises a bracket 1, wherein the bracket 1 comprises a top plate 1.1 and a bottom plate 1.2 which are arranged in parallel, 2 side plates 1.3 are arranged between the top plate 1.1 and the bottom plate 1.2, the top plate 1.1, the bottom plate 1.2 and the side plates 1.3 enclose a frame structure, and weight reducing holes can be formed in the side plates 1.3.
The carrier 2 is arranged on the top plate 1.1 of the bracket 1, the carrier 2 can be directly processed on the top plate 1.1 by adopting integrated structure forming, the carrier 2 can also be formed by adopting split structure forming, namely as shown in fig. 1 and 2, the base plate 1.2 of the bracket 1 is provided with the conducting device 3 and the PCB signal board 4, the PCB signal board 4 is electrically connected with the conducting device 3, the carrier 2 is provided with a limiting fixing structure 5 for containing a limiting display panel and a hole 6 for allowing an FPC to pass through the connecting conducting device 3, the conducting device 3 is arranged below the hole 6 and is obliquely arranged relative to the base plate 1.2, and a probe module of the conducting device 3 faces the hole 6. It should be noted that the conducting device 3 of the present utility model may be a conducting device in CN203941360U or in CN106940976a, or may be another type of conducting device, as long as the technical scheme capable of implementing crimp connection of FPC belongs to the protection scope of the present utility model.
Preferably, the degree of the included angle between the conducting device 3 and the bottom plate 1.2 corresponds to the degree of the included angle between the FPC and the display panel.
Preferably, a support structure 7 for adjusting the angle between the conducting means 3 and the bottom plate 1.2 is arranged between the conducting means 3 and the bottom plate 1.2. The supporting structure 7 comprises a supporting frame 7.1 and a conducting device mounting plate 7.2, wherein the supporting frame 7.1 can be triangular or right trapezoid, the supporting frame 7.1 is fixedly connected above the bottom plate 1.2, one side of the conducting device mounting plate 7.2 is fixedly connected with the inclined plane of the supporting frame 7.1, and the other side is in lap joint with the top plate 1.1 of the bracket 1. The inclination angle degree of the inclined plane of the supporting frame 7.1 corresponds to the included angle degree between the FPC and the display panel. The conducting device mounting plate 7.2 is formed by machining a flat plate structure.
Preferably, the conducting device mounting plate 7.2 is fixedly connected with an FPC limit guide block 8. The FPC spacing guide block 8 comprises a spacing table portion 8.1 arranged along the FPC broadside and a guide inclined surface portion 8.2 arranged along the FPC long side, and the guide inclined surface portion 8.2 is positioned between the spacing table portions 8.1.
Preferably, the limiting and fixing structure 5 comprises limiting blocks 5.1 arranged around the carrier 2 and a vacuum suction 5.2 arranged in the middle of the carrier 2. The limiting block 5.1 is supported by silica gel material, and foam is coated around the vacuum suction 5.2
Preferably, the hole 6 is a square hole, and a guiding inclined plane 6.1 is arranged on one side of the square hole close to the FPC.
Preferably, the support 1 of the present utility model is movably fixedly mounted on the base plate 9.
When the lighting test device is used, the lighting test can be started only by placing the display panel to be tested into the carrier and positioning the display panel to be tested through the limiting block 5.1, introducing the FPC on the back of the display panel to be tested into the conducting device 3 through the conducting device mounting plate 7.2 and the FPC limiting guide block 8, crimping the FPC, and opening the vacuum suction 5.2 to fix the display panel to be tested.
It should be understood that the foregoing is only illustrative of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a display panel switches on frock, its display panel that is used for switching on FPC and is located the LCD screen back, includes support (1), its characterized in that: the support (1) comprises a top plate (1.1) and a bottom plate (1.2), the top plate (1.1) is connected to the upper portion of the bottom plate (1.2) through a side plate (1.3) in a supporting mode, a carrier (2) is arranged on the top plate (1.1), a limiting fixing structure (5) for positioning a liquid crystal screen and a hole (6) for avoiding an FPC (flexible printed circuit) are arranged on the carrier (2), a supporting structure (7) which is obliquely arranged is arranged between the top plate (1.1) and the bottom plate (1.2), one end of the supporting structure (7) is fixedly connected with the bottom plate (1.2), the other end of the supporting structure is fixedly connected with the top plate (1.1), and a conducting device (3) for connecting the FPC is arranged on the supporting structure (7). The included angle degree between the supporting structure (7) and the bottom plate (1.2) corresponds to the included angle degree between the FPC and the display panel.
2. The display panel conduction tool as claimed in claim 1, wherein: the support structure (7) comprises a support frame (7.1) and a conducting device mounting plate (7.2), wherein the support frame (7.1) is fixedly connected above the bottom plate (1.2), one side of the conducting device mounting plate (7.2) is fixedly connected with the inclined plane of the support frame (7.1), and the other side of the conducting device mounting plate is in lap joint with the top plate (1.1) of the support frame (1).
3. The display panel conduction tool as claimed in claim 2, wherein: the inclination angle degree of the inclined plane of the support frame (7.1) corresponds to the included angle degree between the FPC and the display panel.
4. A display panel turn-on tooling as claimed in claim 3, wherein: and an FPC limit guide block (8) is fixedly connected to the conducting device mounting plate (7.2).
5. The display panel conduction tooling of claim 4, wherein: the FPC limiting guide block (8) comprises limiting table parts (8.1) arranged along the wide edge of the FPC and guide inclined surface parts (8.2) arranged along the long edge of the FPC, and the guide inclined surface parts (8.2) are positioned between the limiting table parts (8.1).
6. The display panel conduction tool as claimed in claim 1, wherein: the limiting and fixing structure (5) comprises limiting blocks (5.1) arranged around the carrier (2) and vacuum absorbers (5.2) arranged in the middle of the carrier (2).
7. The display panel conduction tool as claimed in claim 1, wherein: the base plate (1.2) is provided with a PCB signal board (4), and the PCB signal board (4) is electrically connected with the conducting device (3).
8. The display panel conduction tool as claimed in claim 1, wherein: the hole (6) is a square hole, and one side of the square hole, which is close to the FPC, is provided with a guide inclined plane (6.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197001.4A CN109243345B (en) | 2018-10-15 | 2018-10-15 | Display panel switches on frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197001.4A CN109243345B (en) | 2018-10-15 | 2018-10-15 | Display panel switches on frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243345A CN109243345A (en) | 2019-01-18 |
| CN109243345B true CN109243345B (en) | 2023-10-27 |
Family
ID=65052807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811197001.4A Active CN109243345B (en) | 2018-10-15 | 2018-10-15 | Display panel switches on frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243345B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203745605U (en) * | 2014-03-07 | 2014-07-30 | 深圳市立德通讯器材有限公司 | Testing positioning device for flexible printed circuit board |
| CN205193386U (en) * | 2015-12-18 | 2016-04-27 | 江西合力泰科技有限公司 | Carry on liquid crystal module testing tool of special -shaped flexible line way board |
| CN106683602A (en) * | 2016-12-23 | 2017-05-17 | 武汉精测电子技术股份有限公司 | Automatic vertical press connecting structure for FOG liquid crystal screen |
| 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 |
| CN108646062A (en) * | 2018-05-16 | 2018-10-12 | 武汉精测电子集团股份有限公司 | A kind of POGO conducting devices for crimping carrier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078279A1 (en) * | 2014-11-21 | 2016-05-26 | 京东方科技集团股份有限公司 | Test fixture |
-
2018
- 2018-10-15 CN CN201811197001.4A patent/CN109243345B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203745605U (en) * | 2014-03-07 | 2014-07-30 | 深圳市立德通讯器材有限公司 | Testing positioning device for flexible printed circuit board |
| CN205193386U (en) * | 2015-12-18 | 2016-04-27 | 江西合力泰科技有限公司 | Carry on liquid crystal module testing tool of special -shaped flexible line way board |
| CN106683602A (en) * | 2016-12-23 | 2017-05-17 | 武汉精测电子技术股份有限公司 | Automatic vertical press connecting structure for FOG liquid crystal screen |
| 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 |
| CN108646062A (en) * | 2018-05-16 | 2018-10-12 | 武汉精测电子集团股份有限公司 | A kind of POGO conducting devices for crimping carrier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109243345A (en) | 2019-01-18 |
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