CN111855573A - Lighting test device - Google Patents
Lighting test device Download PDFInfo
- Publication number
- CN111855573A CN111855573A CN202010747103.XA CN202010747103A CN111855573A CN 111855573 A CN111855573 A CN 111855573A CN 202010747103 A CN202010747103 A CN 202010747103A CN 111855573 A CN111855573 A CN 111855573A
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- CN
- China
- Prior art keywords
- display panel
- circuit board
- organic electroluminescent
- flexible circuit
- electroluminescent display
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention relates to the technical field of display, and discloses a lighting test device which comprises a device body with a support plate; the jig is arranged on the supporting plate and used for positioning the organic electroluminescent display panel to be tested; the flexible circuit board is provided with pins which are used for being correspondingly connected with the pins of the organic electroluminescent display panel one by one; the pressure head is used for pressing and connecting each pin of the organic electroluminescent display panel and the corresponding pin of the flexible circuit board; the light-emitting unit is positioned on one side of the jig, which is far away from the pressure head, and is used for irradiating the area where the pins of the organic electroluminescent display panel and the pins of the flexible circuit board are positioned; the jig is provided with a light-transmitting part corresponding to the light-emitting unit; and the signal generator is detachably connected with the device body and is used for sending signals to the flexible circuit board and the light-emitting unit. The lighting test device solves the problem that the existing lighting machine for the flexible OLED display panel is inconvenient to move and carry.
Description
Technical Field
The invention relates to the technical field of display, in particular to a lighting test device.
Background
In the prior art, a lighting machine for a flexible OLED (Organic Light-Emitting Diode) display panel adopts an integrated design, and a CCD camera unit on the device assists in aligning pins of the display panel with pins of a flexible circuit board, although the lighting machine can realize a lighting test of the flexible OLED display panel, the lighting machine has a relatively obvious defect, that is, the lighting machine has a relatively large volume and weight, is inconvenient to move and carry, and has a relatively large use limitation.
Disclosure of Invention
The invention provides a lighting test device which is used for solving the problem that the existing lighting machine for a flexible OLED display panel is inconvenient to move and carry.
In order to achieve the purpose, the invention provides the following technical scheme:
a lighting test device, comprising:
a device body having a support plate;
the jig is arranged on the supporting plate and used for positioning the organic electroluminescent display panel to be tested;
the flexible circuit board is provided with pins which are used for being correspondingly connected with the pins of the organic electroluminescent display panel one by one;
the pressure head is used for pressing and connecting each pin of the organic electroluminescent display panel and the corresponding pin of the flexible circuit board;
the light-emitting unit is positioned below the jig and used for irradiating the region where the pins of the organic electroluminescent display panel and the pins of the flexible circuit board are positioned; the jig is provided with a light-transmitting part corresponding to the light-emitting unit;
and the signal generator is detachably connected with the device body and used for sending signals to the flexible circuit board and the light-emitting unit so as to realize the lighting test of the organic electroluminescent display panel.
The lighting test device provided by the invention adopts a separated design, and the signal generator is detachably connected with the device body, so that the equipment is more convenient to move and carry. Meanwhile, the light-emitting unit is adopted to irradiate the pins of the organic electroluminescent display panel and the area where the pins of the flexible circuit board are located from one side of the jig, so that the pins of the organic electroluminescent display panel and the pins of the flexible circuit board can be aligned by naked eye observation, a CCD camera unit with large volume is not needed, the volume and the weight of the equipment can be further reduced, and the convenience of moving and carrying the equipment is further improved.
Optionally, one of the flexible circuit board and the jig is provided with a plug connector, the other is provided with a socket corresponding to the plug connector, and the plug connector is plugged in the socket;
and/or the light-emitting unit is electrically connected with the jig.
Optionally, the lighting test device includes a connection line, one end of the connection line is provided with a first slot, and the other end of the connection line is provided with a second slot;
the signal generator is provided with a plurality of first connecting pins, the jig is provided with a plurality of second connecting pins, each first connecting pin is inserted into the first slot, and each second connecting pin is inserted into the second slot.
Optionally, the lighting test device includes a pad, the light transmission portion includes a light transmission groove, the pad is installed in the light transmission groove and is opposite to the pressure head, and the pad is used for supporting a joint between each pin of the organic electroluminescent display panel and a corresponding pin of the flexible circuit board when the pressure head is in pressure contact with each pin of the organic electroluminescent display panel and the corresponding pin of the flexible circuit board.
Optionally, the light emitting unit comprises a plurality of LED beads.
Optionally, the cushion block is a transparent cushion block, a mounting groove for mounting each LED lamp bead is formed inside the transparent cushion block, and each LED lamp bead is disposed in the mounting groove.
Optionally, at least two first alignment marks are arranged on one side of the flexible circuit board close to the organic electroluminescent display panel at intervals, and second alignment marks corresponding to the first alignment marks in a one-to-one manner are arranged on one side of the organic electroluminescent display panel close to the flexible circuit board.
Optionally, the lighting test device includes an image acquisition unit and an image display unit connected to the image acquisition unit, and the image acquisition unit is located on a side of the support plate away from the jig;
the cushion block is a transparent cushion block, a through groove opposite to the light transmission groove is formed in the supporting plate, and the image acquisition unit can acquire image information of each pin of the organic electroluminescent display panel and each pin of the flexible circuit board through the through groove, the light transmission part and the transparent cushion block and send the image information to the image display unit.
Optionally, the lighting test device includes a connection assembly through which the indenter is disposed on the support plate.
Optionally, the connecting assembly includes two guide rods arranged on the support plate at intervals, a limiting portion arranged at one end of each guide rod far away from the support plate, and an elastic reset piece sleeved on each guide rod;
the pressure head is provided with holes corresponding to the guide rods one to one, the pressure head is arranged on the two guide rods, and when the elastic reset piece is in a natural state, the pressure head is in a waiting position.
Drawings
Fig. 1 is a schematic structural diagram of a lighting test device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixture in a lighting test device according to an embodiment of the present invention;
fig. 3 is a usage scenario diagram of a lighting test device according to an embodiment of the present invention.
Icon: 1-a jig; 11-a light-transmitting portion; 2-a flexible circuit board; 3-pressing head; 4-a signal generator; 5, cushion blocks; 6-an image display unit; 7-connecting lines; 8-a limiting part; 100-a device body; 200-organic electroluminescent display panel; 300-computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the lighting test device according to the present embodiment includes:
a device body 100 having a support plate;
a jig 1 disposed on the supporting plate, the jig 1 being used for positioning an organic electroluminescent display panel 200 to be tested;
a flexible circuit board 2 having pins, the pins of the flexible circuit board 2 being used for one-to-one corresponding connection with the pins of the organic electroluminescent display panel 200;
a pressing head 3 for pressing and connecting each pin of the organic electroluminescent display panel 200 and the corresponding pin of the flexible circuit board 2;
the light-emitting unit is positioned below the jig 1 and used for irradiating the areas where the pins of the organic electroluminescent display panel 200 and the pins of the flexible circuit board 2 are positioned; the jig 1 is provided with a light-transmitting part 11 corresponding to the light-emitting unit;
and a signal Generator 4 (PG for short) detachably connected to the device body 100, wherein the signal Generator 4 is configured to send signals to the flexible circuit board 2 and the light emitting unit to implement a lighting test of the organic electroluminescent display panel 200.
The lighting test device provided by the embodiment adopts a separated design, and the signal generator 4 is detachably connected with the device body 100, so that the equipment is more convenient to move and carry. Meanwhile, the light-emitting unit is adopted to irradiate the pins of the organic electroluminescent display panel 200 and the area where the pins of the flexible circuit board 2 are located from the lower part of the jig 1, so that the pins of the organic electroluminescent display panel 200 and the pins of the flexible circuit board 2 can be aligned by naked eye observation, and the size and the weight of the equipment can be further reduced without using a large CCD camera unit, and the convenience of moving and carrying the equipment is further improved.
Specifically, when the signal generator 4 is provided, a portable signal generator having a size of 238mm × 170mm × 80mm can be used, which is greatly reduced in size compared with the signal generator in the conventional lighting device (480mm × 250mm × 150mm), and is about one fifth of the size of the signal generator in the conventional lighting device.
When the electrical connection among the components is realized, in order to facilitate the connection, one of the flexible circuit board 2 and the jig 1 is provided with a plug connector, and the other one is provided with a socket corresponding to the plug connector, and the plug connector is plugged in the socket; and/or the light-emitting unit is electrically connected with the jig 1. The light-emitting unit is electrically connected with the jig 1, and the flexible circuit board 2 is electrically connected with the jig 1 in a plug connector and plug interface mode, so that the two conditions can occur simultaneously or only one of the two conditions can occur.
The lighting test device comprises a connecting wire 7, the signal generator 4 and the jig 1 are connected through the jumper design of the connecting wire 7, specifically, one end of the connecting wire 7 is provided with a first slot, the other end of the connecting wire is provided with a second slot, the signal generator 4 is provided with a plurality of first connecting pins, the jig 1 is provided with a plurality of second connecting pins, each first connecting pin is inserted into the first slot, and each second connecting pin is inserted into the second slot.
In order to make the pressing connection effect between each pin of the organic electroluminescent display panel 200 and the corresponding pin of the flexible circuit board 2 better, the lighting test device may include a spacer 5, the light-transmitting portion 11 includes a light-transmitting groove, the spacer 5 is installed in the light-transmitting groove and is opposite to the pressing head 3, and is configured to support a connection portion between each pin of the organic electroluminescent display panel 200 and the corresponding pin of the flexible circuit board 2 when the pressing head 3 presses the corresponding pin of the flexible circuit board 2 and the corresponding pin of the organic electroluminescent display panel 200.
In one implementation, to save cost while achieving efficient lighting, the lighting unit can include a plurality of LED beads.
Optionally, in order to facilitate the setting of the light emitting unit, the integration level of the device is higher and a better lighting effect is achieved, the cushion block 5 is a transparent cushion block, a mounting groove for mounting each LED lamp bead is formed in the transparent cushion block, and each LED lamp bead is arranged in the mounting groove at intervals.
In order to facilitate the alignment of the organic electroluminescent display panel 200 and the flexible circuit board 2 with naked eyes, in one implementation, at least two first alignment marks are disposed at intervals on one side of the flexible circuit board 2 close to the organic electroluminescent display panel 200, and second alignment marks corresponding to the first alignment marks one to one are disposed on one side of the organic electroluminescent display panel 200 close to the flexible circuit board 2.
Alternatively, the number of the first alignment marks on the organic electroluminescent display panel 200 may be two, and both the first alignment marks and the second alignment marks may be T-shaped through grooves.
In one implementation mode, the lighting test device further comprises an image acquisition unit and an image display unit 6 connected with the image acquisition unit, wherein the image acquisition unit is positioned on one side of the support plate, which is far away from the jig 1; the pad 5 is a transparent pad, a through groove opposite to the light transmission groove is formed on the support plate, and the image acquisition unit can acquire image information of each pin of the organic electroluminescent display panel 200 and each pin of the flexible circuit board 2 through the through groove, the light transmission portion 11 and the transparent pad and transmit the image information to the image display unit 6.
The lighting test device comprises the image acquisition unit and the image display unit 6, so that when the lighting test device provided by the embodiment is used, the naked eye alignment of the pins of the organic electroluminescent display panel 200 and the pins of the flexible circuit board 2 can be realized, the alignment of the pins of the organic electroluminescent display panel 200 and the pins of the flexible circuit board 2 can be realized by means of the image acquisition unit and the image display unit 6, and the lighting test device is wider in application range and smaller in limitation.
Specifically, the image display unit 6 may be a CCD camera unit.
The lighting test device comprises a connecting assembly, and when the pressure head 3 is arranged, the pressure head 3 can be arranged on the supporting plate through the connecting assembly.
In one implementation, the connecting assembly may include two guide rods disposed on the support plate at intervals, a limiting portion 8 disposed at an end of each guide rod away from the support plate, and an elastic restoring member sleeved on each guide rod; the pressure head 3 is provided with holes corresponding to the guide rods one to one, the pressure head 3 is arranged on the two guide rods, and when the elastic reset piece is in a natural state, the pressure head 3 is in a waiting position. The elastic return member may be a spring.
As shown in fig. 3, when the lighting test device provided in this embodiment is used, the usage method may be as follows:
step S01, aligning each pin of the organic electroluminescent display panel 200 with a corresponding pin of the flexible circuit board 2 with naked eyes or by means of an image acquisition unit and an image display unit 6;
step S02, controlling the signal generator 4 through the computer 300, and enabling the signal generator 4 to send a signal to the jig 1, thereby lighting up the organic electroluminescent display panel 200;
step S03, locating and analyzing the defective spot using an Optical Microscope (OM) or a luminescence microscope (EMMI).
The lighting test device provided in this embodiment can light the organic el display panel 200, and can perform the FA analysis for debugging signals, particularly the failure observation of the optical microscope, by using the optical microscope and the emission microscope. The optical microscope has a large visual field and stable pictures, and can quickly and efficiently perform positioning analysis on the defects. When the light-emitting microscope is used, a specific black picture is given by a lighting test device, then photons emitted from Short points (Short circuit points) or micro Short points (micro Short circuit points) are captured by a probe of the light-emitting microscope, and the defective points are accurately positioned and analyzed (specifically, thin film transistors can be clearly positioned).
The lighting test device provided in this embodiment can be used for various organic electroluminescent display panels 200, for example: the organic electroluminescent display panel 200 is applied to a vehicle, a wearing, a folding, a watch, a mobile phone, etc.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A lighting test device, comprising:
a device body having a support plate;
the jig is arranged on the supporting plate and used for positioning the organic electroluminescent display panel to be tested;
the flexible circuit board is provided with pins which are used for being correspondingly connected with the pins of the organic electroluminescent display panel one by one;
the pressure head is used for pressing and connecting each pin of the organic electroluminescent display panel and the corresponding pin of the flexible circuit board;
the light-emitting unit is positioned below the jig and used for irradiating the region where the pins of the organic electroluminescent display panel and the pins of the flexible circuit board are positioned; the jig is provided with a light-transmitting part corresponding to the light-emitting unit;
and the signal generator is detachably connected with the device body and used for sending signals to the flexible circuit board and the light-emitting unit so as to realize the lighting test of the organic electroluminescent display panel.
2. The lighting test device according to claim 1, wherein one of the flexible circuit board and the jig is provided with a connector, and the other is provided with a socket corresponding to the connector, and the connector is plugged into the socket;
and/or the light-emitting unit is electrically connected with the jig.
3. The lighting test device according to claim 1, comprising a connection line, wherein one end of the connection line is provided with a first slot, and the other end of the connection line is provided with a second slot;
the signal generator is provided with a plurality of first connecting pins, the jig is provided with a plurality of second connecting pins, each first connecting pin is inserted into the first slot, and each second connecting pin is inserted into the second slot.
4. The lighting test device according to any one of claims 1 to 3, including spacers, wherein the light-transmitting portions include light-transmitting grooves, and the spacers are mounted in the light-transmitting grooves and face the indenters, and are configured to support joints between the respective leads of the organic electroluminescent display panel and the corresponding leads of the flexible circuit board when the indenters press-contact the respective leads of the organic electroluminescent display panel and the corresponding leads of the flexible circuit board.
5. The lighting test device of claim 4 wherein the lighting unit includes a plurality of LED beads.
6. The lighting test device of claim 5, wherein the cushion block is a transparent cushion block, a mounting groove for mounting each LED lamp bead is formed inside the transparent cushion block, and each LED lamp bead is arranged in the mounting groove.
7. The lighting test device according to any one of claims 1 to 3, wherein at least two first alignment marks are provided at intervals on one side of the flexible circuit board close to the organic electroluminescent display panel, and second alignment marks corresponding to the first alignment marks are provided on one side of the organic electroluminescent display panel close to the flexible circuit board.
8. The lighting test device of claim 4, including an image acquisition unit and an image display unit connected to the image acquisition unit, the image acquisition unit being located on a side of the support plate facing away from the fixture;
the cushion block is a transparent cushion block, a through groove opposite to the light transmission groove is formed in the supporting plate, and the image acquisition unit can acquire image information of each pin of the organic electroluminescent display panel and each pin of the flexible circuit board through the through groove, the light transmission part and the transparent cushion block and send the image information to the image display unit.
9. The lighting test device of claim 1, including a connection assembly through which the indenter is disposed on the support plate.
10. The lighting test device of claim 9, wherein the connection assembly includes two guide rods spaced apart from each other on the support plate, a limiting portion disposed at an end of each guide rod away from the support plate, and an elastic return member fitted around each guide rod;
the pressure head is provided with holes corresponding to the guide rods one to one, the pressure head is arranged on the two guide rods, and when the elastic reset piece is in a natural state, the pressure head is in a waiting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747103.XA CN111855573A (en) | 2020-07-29 | 2020-07-29 | Lighting test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747103.XA CN111855573A (en) | 2020-07-29 | 2020-07-29 | Lighting test device |
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| Publication Number | Publication Date |
|---|---|
| CN111855573A true CN111855573A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747103.XA Pending CN111855573A (en) | 2020-07-29 | 2020-07-29 | Lighting test device |
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| CN (1) | CN111855573A (en) |
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| WO2010079648A1 (en) * | 2009-01-09 | 2010-07-15 | 日東電工株式会社 | Optical waveguide-type chemical sensor |
| CN104459394A (en) * | 2014-12-04 | 2015-03-25 | 昆山精讯电子技术有限公司 | OLED panel alignment device |
| 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 |
| CN108512979A (en) * | 2017-02-28 | 2018-09-07 | 上海微电子装备（集团）股份有限公司 | automatic electrifying device and method |
| CN208506167U (en) * | 2018-08-13 | 2019-02-15 | 深圳市菲腾电子科技有限公司 | A kind of OLED vacation compression testing device |
| CN209027768U (en) * | 2018-12-13 | 2019-06-25 | 深圳鹏瑞智能科技有限公司 | A kind of OLED screen curtain feeding visual-alignment system |
| CN110296936A (en) * | 2019-07-17 | 2019-10-01 | 武汉华星光电技术有限公司 | A kind of lighting test jig and its test method |
| CN110579492A (en) * | 2019-10-22 | 2019-12-17 | 苏州精濑光电有限公司 | silicon-based OLED panel lighting inspection method |
| CN211123533U (en) * | 2019-12-31 | 2020-07-28 | 利尔富(苏州)科技设备有限公司 | Tool with built-in L ED light source |
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2020
- 2020-07-29 CN CN202010747103.XA patent/CN111855573A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010079648A1 (en) * | 2009-01-09 | 2010-07-15 | 日東電工株式会社 | Optical waveguide-type chemical sensor |
| CN104459394A (en) * | 2014-12-04 | 2015-03-25 | 昆山精讯电子技术有限公司 | OLED panel alignment device |
| CN108512979A (en) * | 2017-02-28 | 2018-09-07 | 上海微电子装备（集团）股份有限公司 | automatic electrifying device and method |
| 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 |
| CN208506167U (en) * | 2018-08-13 | 2019-02-15 | 深圳市菲腾电子科技有限公司 | A kind of OLED vacation compression testing device |
| CN209027768U (en) * | 2018-12-13 | 2019-06-25 | 深圳鹏瑞智能科技有限公司 | A kind of OLED screen curtain feeding visual-alignment system |
| CN110296936A (en) * | 2019-07-17 | 2019-10-01 | 武汉华星光电技术有限公司 | A kind of lighting test jig and its test method |
| CN110579492A (en) * | 2019-10-22 | 2019-12-17 | 苏州精濑光电有限公司 | silicon-based OLED panel lighting inspection method |
| CN211123533U (en) * | 2019-12-31 | 2020-07-28 | 利尔富(苏州)科技设备有限公司 | Tool with built-in L ED light source |
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