CN112817169A - Single glass liquid crystal module TP testing arrangement - Google Patents
Single glass liquid crystal module TP testing arrangement Download PDFInfo
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- CN112817169A CN112817169A CN202110056808.1A CN202110056808A CN112817169A CN 112817169 A CN112817169 A CN 112817169A CN 202110056808 A CN202110056808 A CN 202110056808A CN 112817169 A CN112817169 A CN 112817169A
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- 239000011521 glass Substances 0.000 title claims abstract description 113
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of liquid crystal module testing and screening, in particular to a single-glass liquid crystal module TP testing device, which comprises: the test table is provided with a rack, positioning carrying platforms and adjusting components, and the two positioning carrying platforms are adjacently arranged on the rack through the adjusting components respectively; the two positioning bearing platforms respectively clamp the testing module and the touch screen glass with the driving interface, and the relative positions of the testing module and the touch screen glass are adjusted through the adjusting assembly so as to butt the testing module and the touch screen glass; the test module is used for lighting the touch screen glass or the touch screen glass interface and judging whether the touch screen glass is qualified or not according to the lighting result or the touch feedback result. The invention has the beneficial effects that: in TP touch screen production, through setting up single glass liquid crystal module TP testing arrangement, carry out qualification test to the touch-sensitive screen glass of not attached IC and FPC, avoided IC and FPC's waste.
Description
Technical Field
The invention relates to the technical field of liquid crystal module testing and screening, in particular to a single-glass liquid crystal module TP testing device.
Background
A TP Touch Panel (TP) is an inductive liquid crystal display device capable of receiving input signals such as touch pads. The touch screen replaces a mechanical button device, and a vivid video effect can be produced by directly contacting the graphic marks, so that the operation is convenient and quick. Touch screens are classified into resistive touch and capacitive touch, and capacitive touch screens are widely applied to mobile phones and flat panels. The capacitive touch screen can realize multi-point touch, is sensitive in operation, has the characteristics of difficulty in error touch and high durability, and is widely applied to electronic products such as mobile phones, tablets and portable computers.
The liquid crystal module comprises a liquid crystal screen, a TP touch screen, a front cover and various accessories on the front cover. And the TP touch screen is composed of a lens (panel), a TP Sensor (contact Sensor), an FPC (flexible printed circuit), an IC (drive chip) and other auxiliary materials.
The liquid crystal module is in the process of producing the liquid crystal module in the factory instead, and quality control and test procedures are arranged, wherein, the production link of the TP touch screen tests the procedure of the screen TP, generally, the test is carried out after the IC and the FPC are attached, if the TP test is bad, a plurality of IC and FPC materials are wasted, and the waste of the raw materials is greatly caused.
Disclosure of Invention
The invention aims to provide a single-glass liquid crystal module TP testing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a single glass liquid crystal module TP testing arrangement, includes: the test table is provided with a rack, positioning carrying platforms and adjusting components, and the two positioning carrying platforms are adjacently arranged on the rack through the adjusting components respectively; the two positioning bearing platforms respectively clamp the testing module and the touch screen glass with the driving interface, and the relative positions of the testing module and the touch screen glass are adjusted through the adjusting assembly so as to butt the testing module and the touch screen glass; the test module is used for lighting the touch screen glass or the touch screen glass interface and judging whether the touch screen glass is qualified or not according to the lighting result or the touch feedback result.
As a further scheme of the invention: the test module comprises a flexible circuit board, a driving chip matched with the driving interface is arranged on the flexible circuit board, and the driving chip drives the touch screen glass to be lightened.
As a still further scheme of the invention: and a compressing assembly is arranged on the side end face of the test table board and compresses the butted touch screen glass.
As a still further scheme of the invention: the pressing assembly comprises a pressing cylinder and a pressing head arranged at the end part of the telescopic end of the pressing cylinder, the pressing cylinder is arranged on the rack, and the pressing cylinder is driven to stretch and compress or loosen the butted touch screen glass.
As a still further scheme of the invention: the positioning carrier for clamping the touch screen glass with the driving interface is provided with an induction hole, an induction element is arranged on the central line of the induction hole, and the induction element is used for inducing the butt joint state of the touch screen glass and the test module.
As a still further scheme of the invention: the sensing element is an infrared sensor or a CCD sensor.
As a still further scheme of the invention: and the positioning carrier for clamping the test module is provided with an adsorption element which assists the positioning carrier in positioning and clamping the test module.
As a still further scheme of the invention: the adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism is used for driving the positioning carrier to move along a first direction; the second adjusting mechanism is used for driving the positioning carrier to move along a second direction; the second direction is perpendicular to the first direction.
As a still further scheme of the invention: and the first adjusting mechanism and the second adjusting mechanism both adopt a micrometer.
Compared with the prior art, the invention has the beneficial effects that: in TP touch-sensitive screen production, through setting up single glass liquid crystal module TP testing arrangement, carry out qualification test to the touch-sensitive screen glass of attached IC and FPC, partly replaced the detection function that just goes on behind attached IC and FPC, avoided IC and FPC's waste.
Drawings
FIG. 1 is a schematic structural diagram of a single glass liquid crystal module TP testing device in an embodiment of the present invention.
FIG. 2 is a block diagram of a single glass liquid crystal module TP testing apparatus according to an embodiment of the present invention.
In the drawings: 1. a glass positioning stage; 2. a first micrometer; 3. a spring; 4. a pressure head; 5. a drive interface; 6. an FPC positioning carrying platform; 7. a CCD sensor; 8. a second micrometer.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1, in an embodiment of the present invention, an apparatus for testing a single glass liquid crystal module TP includes: the test table is provided with a rack, positioning carrying platforms and adjusting components, and the two positioning carrying platforms are adjacently arranged on the rack through the adjusting components respectively; the two positioning bearing platforms respectively clamp the testing module and the touch screen glass with the driving interface 5, and the relative positions of the testing module and the touch screen glass are adjusted through the adjusting assembly so as to butt the testing module and the touch screen glass; the test module is used for lighting the touch screen glass or the touch screen glass interface and judging whether the touch screen glass is qualified or not according to the lighting result or the touch feedback result.
Specifically, the two positioning stages are a glass positioning stage 1 and an FPC positioning stage 6 (flexible circuit board positioning stage), and the glass positioning stage 1 and the FPC positioning stage 6 are made of positioning glass with corresponding positioning protrusions. The test module comprises a flexible circuit board, a driving chip matched with the driving interface is arranged on the flexible circuit board, and the driving chip drives the touch screen glass to be lightened. The glass positioning carrier 1 and the FPC positioning carrier 6 are respectively used for clamping a flexible circuit board and touch screen glass; after the flexible circuit board and the touch screen glass are finished, the glass positioning carrier 1 and the FPC positioning carrier 6 are adjusted through the adjusting assembly, so that the flexible circuit board is in butt joint with the touch screen glass, and the driving interface 5 and a driving chip which is matched with the driving interface and arranged on the flexible circuit board are conveniently communicated. After the driving chip is communicated with the touch screen glass, the driving chip is electrified, the driving chip drives the touch screen glass to be lightened, and whether the touch screen glass is qualified or not is judged according to the lightening condition of the touch screen glass. Or judging whether the touch screen glass is qualified or not according to a touch feedback result by touching the touch screen glass interface.
In one embodiment, FPC positioning stage 6 may also be fixedly mounted on the frame, and only glass positioning stage 1 is mounted on the frame through the adjusting assembly, so that the glass positioning stage 1 is adjusted through the adjusting assembly, and the glass positioning stage 1 and FPC positioning stage 6 can also be butted.
Therefore, in the existing TP touch screen production, the qualification test is carried out on the touch screen glass which is not attached with the IC and the FPC by arranging the single glass liquid crystal module TP testing device, the detection is carried out after the IC and the FPC are attached, and the waste of the IC and the FPC is avoided. The problem that the liquid crystal module cannot detect the touch screen circuit in the single glass stage is solved.
Referring to fig. 1 and 2, in another embodiment of the present invention, a pressing assembly is installed on a side end surface of the testing table, and the pressing assembly presses the butted touch screen glass.
The pressing assembly comprises a pressing cylinder and a pressing head 4 installed at the end part of the telescopic end of the pressing cylinder, the pressing cylinder is installed on the rack, and the pressing cylinder is telescopic to drive the pressing head 4 to compress or loosen the touch screen glass after butt joint.
Clamping glass and an FPC (flexible printed circuit) through a glass positioning carrying platform 1 and an FPC positioning carrying platform 6, wherein the glass is touch screen glass; then, the pressing cylinder stretches and retracts to drive the pressing head 4 to press the touch screen glass; and the driving interface and the driving chip are switched on, the driving chip is electrified to drive the touch screen glass to be lightened, the touch screen glass is divided into qualified products and defective products according to the lightening result, and the touch screen glass is released by pressing the air cylinder.
In addition, when in actual application, the pressing cylinder can be replaced by an electric push rod, and the electric push rod drives the pressing head 4 to press or loosen the butted touch screen glass. The manufacturing of the pressure head adopts flexible materials, and the touch screen glass is prevented from being damaged due to overhigh hardness of the pressure head.
Referring to fig. 1, in another embodiment of the present invention, an induction hole is disposed on a positioning carrier for clamping touch screen glass having a driving interface, and an induction element is disposed on a center line of the induction hole and used for inducing a butt joint state of the touch screen glass and a test module; the sensing element is an infrared sensor or a CCD sensor 7.
Specifically, an induction hole is arranged at one end of the glass positioning carrier 1 close to the FPC positioning carrier 6, and the induction element is a CCD sensor 7 (CCD sensor, a visual sensor); when the adjusting assembly is adjusted, the butt joint state of the touch screen glass and the flexible circuit board of the testing module is detected through the CCD sensor, and when a mark arranged on the touch screen glass is sensed by the CCD sensor, the butt joint of the touch screen glass and the flexible circuit board is completed; the positions of the touch screen glass and the flexible circuit board are reasonable, and then the driving interface and the driving chip are connected. Certainly, the sensing element can also be an infrared sensor, when the adjusting assembly is adjusted, the butt joint state of the touch screen glass and the flexible circuit board of the testing module is detected through the infrared sensor, and when a mark arranged on the touch screen glass is sensed by the infrared sensor, the butt joint of the touch screen glass and the flexible circuit board is completed.
It should be noted that the push-down cylinder, the air pump and the CCD sensor are all prior art applications, and those skilled in the art can implement the intended functions according to the related description, or implement the technical features required to be accomplished by similar techniques, and will not be described in detail herein.
Referring to fig. 1, in another embodiment of the present invention, a positioning stage for clamping the test module is provided with an absorption element, and the absorption element assists the positioning stage to position and clamp the test module.
The adsorption element comprises a plurality of suction nozzles arranged on the FPC positioning carrier 6 and an air pipe communicated with the suction nozzles, the other end of the air pipe is connected with an air pump, and the air pump conveys or extracts air of the suction nozzles through the air pipe so that the suction nozzles adsorb the flexible circuit board on the FPC positioning carrier 6; and auxiliary positioning and clamping are realized.
Referring to fig. 1, in another embodiment of the present invention, the adjusting assembly includes a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for driving the positioning stage to move along a first direction; the second adjusting mechanism is used for driving the positioning carrier to move along a second direction; the second direction is perpendicular to the first direction.
The first adjusting mechanism and the second adjusting mechanism both adopt micrometers, and are respectively recorded as a first micrometer 2 and a second micrometer 8. The bottom of the glass positioning carrying platform 1 is movably arranged on a vertical moving block through a horizontal moving block, and the vertical moving block is movably arranged on a rack; a first micrometer 2 and a second micrometer 8 are respectively installed on the horizontal moving block and the vertical moving block in a threaded manner; the first micrometer 2 is rotated to drive the horizontal moving block to move on the vertical moving block along a first direction, the second micrometer 8 is rotated to drive the vertical moving block to move on the rack along a second direction, and the horizontal moving block and the glass positioning carrier 1 on the vertical moving block synchronously move while the vertical moving block moves; further, springs 3 are arranged between the horizontal moving block and the vertical moving block and the rack, and the springs 3 are used for adjusting acting force of the horizontal moving block and the vertical moving block during moving.
The working principle of the invention is as follows: the two positioning carrying platforms are respectively a glass positioning carrying platform 1 and an FPC positioning carrying platform 6; the test module comprises a flexible circuit board, a driving chip matched with the driving interface is arranged on the flexible circuit board, and the driving chip drives the touch screen glass to be lightened. The glass positioning carrier 1 and the FPC positioning carrier 6 are respectively used for clamping a flexible circuit board and touch screen glass; after the flexible circuit board and the touch screen glass are finished, the glass positioning carrier 1 and the FPC positioning carrier 6 are adjusted through the adjusting assembly, so that the flexible circuit board is in butt joint with the touch screen glass, and the driving interface 5 and a driving chip which is matched with the driving interface and arranged on the flexible circuit board are conveniently communicated. After the driving chip is communicated with the touch screen glass, the driving chip is electrified, the driving chip drives the touch screen glass to be lightened, and whether the touch screen glass is qualified or not is judged according to the lightening condition of the touch screen glass.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
1. The utility model provides a single glass liquid crystal module TP testing arrangement which characterized in that includes:
the test table is provided with a rack, positioning carrying platforms and adjusting components, and the two positioning carrying platforms are adjacently arranged on the rack through the adjusting components respectively;
the two positioning bearing platforms respectively clamp the testing module and the touch screen glass with the driving interface, and the relative positions of the testing module and the touch screen glass are adjusted through the adjusting assembly so as to butt the testing module and the touch screen glass;
the test module is used for lighting the touch screen glass or the touch screen glass interface and judging whether the touch screen glass is qualified or not according to the lighting result or the touch feedback result.
2. The single glass liquid crystal module TP testing device of claim 1, wherein the testing module comprises a flexible circuit board, a driving chip matched with the driving interface is arranged on the flexible circuit board, and the driving chip drives to light the touch screen glass.
3. The single-glass liquid crystal module TP testing device of claim 1, wherein a compressing assembly is mounted on a side end face of the testing table, and the compressing assembly compresses the butted touch screen glass.
4. The single-glass liquid crystal module TP testing device of claim 3, wherein the pressing assembly comprises a pressing cylinder and a pressing head installed at the end of the telescopic end of the pressing cylinder, the pressing cylinder is installed on the rack, and the pressing head is driven by the pressing cylinder to press or loosen the butted touch screen glass in a telescopic manner.
5. The single-glass liquid crystal module TP testing device of claim 1, wherein a positioning stage for clamping the touch screen glass with the driving interface is provided with an induction hole, a central line of the induction hole is provided with an induction element, and the induction element is used for inducing the butt joint state of the touch screen glass and the testing module.
6. The single-glass liquid crystal module TP testing device of claim 5, wherein the sensing element is an infrared sensor or a CCD sensor.
7. The single-glass liquid crystal module TP testing device of claim 1, wherein a positioning stage for clamping the testing module is provided with an adsorption element, and the adsorption element assists the positioning stage in positioning and clamping the testing module.
8. The single glass liquid crystal module TP testing device of claim 1, wherein the adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for driving the positioning stage to move along a first direction; the second adjusting mechanism is used for driving the positioning carrier to move along a second direction; the second direction is perpendicular to the first direction.
9. The single-glass liquid crystal module TP testing device of claim 8, wherein the first adjusting mechanism and the second adjusting mechanism both use a micrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056808.1A CN112817169A (en) | 2021-01-15 | 2021-01-15 | Single glass liquid crystal module TP testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056808.1A CN112817169A (en) | 2021-01-15 | 2021-01-15 | Single glass liquid crystal module TP testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN112817169A true CN112817169A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110056808.1A Pending CN112817169A (en) | 2021-01-15 | 2021-01-15 | Single glass liquid crystal module TP testing arrangement |
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| CN (1) | CN112817169A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1062451A (en) * | 1996-08-16 | 1998-03-06 | Tokyo Electron Ltd | Board tester for liquid crystal display |
| TW200420886A (en) * | 2003-04-09 | 2004-10-16 | lan-xiang Chen | Method for inspecting Chip-On-Glass liquid crystal display |
| KR20090096995A (en) * | 2008-03-10 | 2009-09-15 | (주)에이에스티 | Characteristic inspection method for touch panel |
| CN101782616A (en) * | 2010-03-02 | 2010-07-21 | 苏州日和科技有限公司 | Testing device for touch screens |
| CN203712558U (en) * | 2014-01-23 | 2014-07-16 | 深圳市立德通讯器材有限公司 | Alignment connection device for display module |
| CN104678224A (en) * | 2015-03-07 | 2015-06-03 | 安徽方兴科技股份有限公司 | Electrical measuring aligning machine for touch screen |
| CN105183225A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Testing device and testing method adopting same |
| CN207020222U (en) * | 2017-08-14 | 2018-02-16 | 合肥鑫晟光电科技有限公司 | Electrical measurement fixture |
| CN208224390U (en) * | 2018-05-23 | 2018-12-11 | 昆山龙雨智能科技有限公司 | A kind of detection device for touch screen |
-
2021
- 2021-01-15 CN CN202110056808.1A patent/CN112817169A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1062451A (en) * | 1996-08-16 | 1998-03-06 | Tokyo Electron Ltd | Board tester for liquid crystal display |
| TW200420886A (en) * | 2003-04-09 | 2004-10-16 | lan-xiang Chen | Method for inspecting Chip-On-Glass liquid crystal display |
| KR20090096995A (en) * | 2008-03-10 | 2009-09-15 | (주)에이에스티 | Characteristic inspection method for touch panel |
| CN101782616A (en) * | 2010-03-02 | 2010-07-21 | 苏州日和科技有限公司 | Testing device for touch screens |
| CN203712558U (en) * | 2014-01-23 | 2014-07-16 | 深圳市立德通讯器材有限公司 | Alignment connection device for display module |
| CN104678224A (en) * | 2015-03-07 | 2015-06-03 | 安徽方兴科技股份有限公司 | Electrical measuring aligning machine for touch screen |
| CN105183225A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Testing device and testing method adopting same |
| CN207020222U (en) * | 2017-08-14 | 2018-02-16 | 合肥鑫晟光电科技有限公司 | Electrical measurement fixture |
| CN208224390U (en) * | 2018-05-23 | 2018-12-11 | 昆山龙雨智能科技有限公司 | A kind of detection device for touch screen |
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Application publication date: 20210518 |