CN202133628U - Lighting jig - Google Patents

Lighting jig Download PDF

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Publication number
CN202133628U
CN202133628U CN201120092058U CN201120092058U CN202133628U CN 202133628 U CN202133628 U CN 202133628U CN 201120092058 U CN201120092058 U CN 201120092058U CN 201120092058 U CN201120092058 U CN 201120092058U CN 202133628 U CN202133628 U CN 202133628U
Authority
CN
China
Prior art keywords
chute
support plate
backlight
lamp
tool
Prior art date
Application number
CN201120092058U
Other languages
Chinese (zh)
Inventor
张晓辉
林立强
钟明
蒋启聪
Original Assignee
京东方科技集团股份有限公司
厦门京东方电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司, 厦门京东方电子有限公司 filed Critical 京东方科技集团股份有限公司
Priority to CN201120092058U priority Critical patent/CN202133628U/en
Application granted granted Critical
Publication of CN202133628U publication Critical patent/CN202133628U/en

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Abstract

The utility model provides a lighting jig, which comprises a carrying board (13), wherein a positioning unit capable of fixing a backlighting product on the carrying board (13) is arranged on the carrying board (13), and the positing unit can adjust a movable positioning unit of a backlighting product fixing device. The lighting jig can test backlighting products of different types, and all backlighting products with different models and sizes can be tested by the lighting jig, thereby greatly improving use ratio of the detection jigs, and simultaneously eliminating waste of expensive cost caused by manufacturing of detection jigs with different models.

Description

A kind of tool of lighting a lamp
Technical field
The utility model relates to a kind of tool of lighting a lamp that is used to detect backlight product, is specially adapted to detect AV version backlight product.
Background technology
Module backlight (Back Light Module) is one of key components and parts of panel of LCD (LiquidCrystal Display Panel); Because liquid crystal itself is not luminous; The function of module backlight promptly is to provide adequate brightness and the light source that is evenly distributed, and makes its normally show image.Because the phenomenon of impurity may appear sneaking in the manufacturing in the process of module backlight, or have a stain, cut etc., all can influence the quality of display screen, thereby a kind of tool of lighting a lamp that can detect the backlight product quality need be provided.
Application number is to disclose " a kind of tool of lighting a lamp " in 200820145959.4 the Chinese patent; This tool comprises a body, one or two flexible PCB, locating slot, LED lamp, and said body is provided with two locating slots, and an end of each locating slot all is provided with one group of LED lamp; During test backlight product is placed on the body; Flexible PCB places in the body, is electrically connected with the LED lamp, and connects external power.When detecting; The operator is placed on backlight product in the locating slot; Turn on the power switch and make LED lamp electrified light emitting, light is by the irradiation of a side of backlight product, so flaws such as the operator can clearly find out on the transparent backlight product whether have a stain, cut, impurity or bad point.
But; For AV (audio frequency and video: Audio & Video; Be called for short AV) the version backlight product, product itself includes flexible PCB FPC (Flexible PrintedCircuit), and flexible PCB FPC is provided with the LED lamp; Be that AV version backlight product itself just has the LED of light source can be provided lamp, therefore the tool of lighting a lamp in the above-mentioned patent is not suitable for AV version backlight product is carried out lighting test.
And, be the adaptation market demand, in the present LCD industry; The LCD of various sizes is constantly weeded out the old and bring forth the new, and in the AV version backlight product, the shape of each product and the position of flexible PCB FPC on backlight product are all different; Therefore when testing, make its corresponding tool of lighting a lamp respectively according to the size of different AV version backlight products, and the position of relative set flexible PCB FPC; Cause tool quantity many, and also increased manufacturing cost.
The utility model content
The utility model technical matters to be solved is the above-mentioned deficiency that exists to the tool of lighting a lamp in the prior art, and a kind of universal tool of lighting a lamp that can test the backlight product of various different sizes is provided.
The technical scheme that solution the utility model technical matters is adopted is that this tool of lighting a lamp comprises support plate; Said support plate is provided with and can backlight product be fixed on the positioning unit on the support plate, and said positioning unit adopts the activity orientation unit that can regulate the backlight product fixed position.
Preferably; Said activity orientation unit includes and laterally is opened in second chute on the support plate and is located at two located lateral pieces in second chute; Said located lateral piece can slide in second chute or lock; Two located lateral pieces are respectively applied for the two ends of the said backlight product of clamping, thereby can carry out spacing to the left and right directions of backlight product.
Further preferably; Said activity orientation unit also includes and vertically is opened in the 3rd chute on the support plate and is located at the longitudinal register piece in the 3rd chute; Said longitudinal register piece can slide in the 3rd chute or lock; The longitudinal register piece is used for the bottom of the said backlight product of clamping, and said the 3rd chute is positioned at the below of second chute, thereby can carry out spacing to the above-below direction of backlight product.Through located lateral piece and longitudinal register bonded are used, thereby can the backlight product of various different sizes be positioned.
Preferably, on support plate, have one or more grooves, said groove is located at the top and/or the below of second chute, and the position of groove is near the second chute place, so that the operator picks and places backlight product from support plate easily.
For corresponding with AV version backlight product, the utility model is lit a lamp and is also included the conductive unit that can be electrically connected with the flexible PCB in the AV version backlight product in the tool, and said conductive unit is arranged on the support plate, and is positioned at the top of second chute.
Wherein, Said conductive unit comprises the copper-clad plate that is arranged on the support plate; The middle part of said copper-clad plate has the crack, and said crack is divided into positive polar region and negative pole district with the both sides of copper-clad plate, and the positive polar region of said copper-clad plate is connected with negative pole with the positive pole of external power source respectively with the negative pole district.
Preferably; Also include compressing unit in this tool of lighting a lamp; Said compressing unit comprises pressure head, and said pressure head is positioned at support plate top and corresponding with said copper-clad plate, thereby pressure head is used to compress backlight product copper-clad plate is contacted with flexible PCB FPC on the backlight product.Can the flexible PCB FPC in the AV version backlight product be pressed on the conductive unit through pressure head, when conductive unit is connected external power source, can test this AV version backlight product to be tested.Also can be provided with soft silicagel pad on the preferred briquetting.
Further preferably; Also include travel(l)ing rest in the said compressing unit; Said pressure head is arranged on the said travel(l)ing rest, the handle that said travel(l)ing rest comprises that the anchor clamps, the middle part that are fixed on the support plate are bearing on the said anchor clamps and can rotate around said anchor clamps, and an end of said handle is fixed with rest pad; Have first chute on the said rest pad, said pressure head is located in first chute and can be slided or locking along first chute.
Operator right-hand man operates simultaneously for ease; To detect two backlight products simultaneously; Thereby increase work efficiency; Said handle is along the longitudinal centre line setting of support plate, and first chute on the said rest pad adopts symmetrically arranged two, and said two first chutes are divided into the longitudinal centre line both sides of support plate; Said second chute is symmetrically set in the longitudinal centre line both sides of support plate, and the located lateral piece in second chute adopts four, and four located lateral pieces are respectively applied for the two ends of two backlight products of clamping; Said the 3rd chute adopts symmetrically arranged two, and said two the 3rd chutes are divided into the both sides of the longitudinal centre line of support plate.
Preferably, said support plate, handle, anchor clamps, located lateral piece, longitudinal register piece, pressure head all adopt the material of bakelite material to process.
Preferably, the said support plate back side also is provided with the pad pin, with supports loadboard.
The beneficial effect of the utility model is: through adopting the activity orientation unit; Conductive unit carries out flexible with compressing unit three big tunable component to different backlight products to be tested; Thereby make test not receive backlight product size and the different restriction in flexible PCB FPC position, thereby the utility model can be tested to various dissimilar backlight products.And, owing to do not need to make the different tools of lighting a lamp again respectively to different backlight products, thereby greatly reduce the cost of tool.This tool of lighting a lamp is specially adapted to AV version backlight product is tested.
Description of drawings
Fig. 1 is the light a lamp structural representation of tool of the utility model;
Fig. 2 is the side view of Fig. 1.
Element explanation in the accompanying drawing: 1-handle; The 2-anchor clamps; The 3-rest pad; 4-first chute; The 5-pressure head; 6-located lateral piece; 7-second chute; 8-the 3rd chute; The 9-bolt; 10-pad pin; The 11-copper-clad plate; The 12-silicagel pad; The 13-support plate; The 14-power connection; The 15-crack; 16-longitudinal register piece; The 17-groove.
Embodiment
For making those skilled in the art understand the technical scheme of the utility model better, the utility model tool of lighting a lamp is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1; In the present embodiment, this tool of lighting a lamp is mainly used in to be tested AV version backlight product, and it comprises support plate 13; Support plate 13 is provided with activity orientation unit, conductive unit and compressing unit; Said activity orientation unit is used to regulate the fixed position of backlight product, and said conductive unit can be electrically connected with the flexible PCB FPC in the backlight product, and said compressing unit is used for the flexible PCB FPC of backlight product is pressed on conductive unit; Make the LED lamp electrified light emitting among the flexible PCB FPC, thereby this backlight product is tested.
Support plate 13 can adopt the shape of any appropriate, and in the present embodiment, being shaped as of support plate 13 is square.
In the present embodiment; Conductive unit comprises two thin copper-clad plates 11 that are symmetricly set in support plate longitudinal centre line both sides; Offer two shapes square groove right mutually on the said support plate 13 symmetrically with the profile of copper-clad plate 11; The height of said square groove is fitted with the thickness of copper-clad plate 11 mutually, and copper-clad plate 11 is arranged in two square grooves of support plate 13.In concrete the use, the length of square groove can be greater than the length of copper-clad plate 11, and so copper-clad plate 11 can horizontally slip in square groove, thus can be with the difference of flexible PCB FPC position in the backlight product position of corresponding adjustment copper-clad plate 11.The middle part of every copper-clad plate 11 has the wide crack of 1~2mm 15, and said crack 15 is divided into positive polar region and negative pole district with the both sides of copper-clad plate 11.The corresponding position in positive polar region and negative pole district in square groove bottom and copper-clad plate 11 also has through hole; Be provided with power connection 14 in the through hole; Said power connection 14 is connected with the negative pole district with the positive polar region of copper-clad plate; Through said power connection 14, can external power source be connected to easily the positive polar region and the negative pole district of copper-clad plate 11.
Said compressing unit comprises travel(l)ing rest and is arranged on the pressure head 5 on the travel(l)ing rest.Pressure head 5 is positioned at support plate 13 tops and corresponding with copper-clad plate 11.Thereby compressing backlight product through pressure head 5 makes copper-clad plate 11 contact with flexible PCB FPC on the backlight product.
Said travel(l)ing rest comprises anchor clamps 2, handle 1 and the rest pad 3 that is fixed on support plate 13 longitudinal centre lines.The middle part of said handle 1 is bearing on the anchor clamps 2 and can rotates around anchor clamps 2; Rest pad 3 is fixed on an end of handle 1; Have two first chutes 4 on the rest pad 3; Said two first chutes 4 are symmetrical set along the longitudinal centre line of support plate, and said pressure head 5 also adopts two, and said two pressure heads 5 are located in two first chutes 4 respectively and can in first chute 4, be slided or lock.The upper end of pressure head 5 embeds in first chute 4 through bolt is movable, and the unsettled below that is positioned at first chute 4, its lower end forms briquetting, and briquetting is corresponding with the position of said copper-clad plate 11.Press down through briquetting, can be with in flexible PCB FPC pressure and the copper-clad plate 11.Since pressure head 5 can be in first chute 4 move left and right, thereby can adapt to the flexible PCB FPC that is in diverse location in the backlight product of different model.
As shown in Figure 2; Also be provided with silicagel pad 12 at the pressure head back side, because pressure head 5 adopts the bakelite materials for support usually, and the bakelite material is generally harder; The setting of silicagel pad 12; Make that flexible PCB FPC contacts with copper-clad plate 11 closely when pressure head 5 is pushed down backlight product, can not cause damage simultaneously again flexible PCB FPC.
Said activity orientation unit includes second chute 7, the 3rd chute 8 and is arranged on the located lateral piece 6 in second chute 7 and is arranged on the longitudinal register piece 16 in the 3rd chute 8.
Said second chute 7 laterally is opened on the support plate 13 and is symmetrically set in the longitudinal centre line both sides of support plate; In the present embodiment; Said located lateral piece 6 adopts four; Four located lateral pieces 6 are embedded in second chute 7 through bolt 9 activities, and can in second chute 7, slide or lock, and four located lateral pieces 6 are respectively applied for the two ends of two backlight products of clamping.
Said the 3rd chute 8 is positioned at the below of second chute 7.The 3rd chute 8 vertically is opened on the support plate 13, and in the present embodiment, the 3rd chute 8 adopts symmetrically arranged two, and two the 3rd chutes 8 are divided into the longitudinal centre line both sides of support plate.Said longitudinal register piece 16 is embedded in the 3rd chute 8 through bolt, and can in the 3rd chute 8, slide or lock, and longitudinal register piece 16 is used for the bottom of clamping backlight product, and the upper-lower position of backlight product is fixed.
For operator in test process can conveniently pick and place backlight product from support plate 13; On support plate 13, also can have groove 17, in the present embodiment, groove 17 has three; Three grooves 7 laterally arrange; The position of groove 7 is near second chute 7, and is positioned under second chute 7, on the 3rd chute 8.
As shown in Figure 2, in the present embodiment, also be provided with two pad pin 10 at the back side of support plate 3, pad pin 10 is in order to supports loadboard 13.
Because bakelite has the good insulation performance performance, in the present embodiment, parts such as said support plate 13, handle 1, anchor clamps 2, located lateral piece 6, longitudinal register piece 16, pressure head 5 all adopt the material of bakelite material to process.
In the present embodiment; Four located lateral pieces 6 and two longitudinal register pieces 16 have constituted two test station that are used to test backlight product jointly; Through position and longitudinal register piece 16 the position three chute 8 in of flexible located lateral piece 6 in second chute 7, can make test station be applicable to the backlight product of different size.When the backlight product physical dimension of test usefulness changed, only needing to move corresponding locating piece position can regulate.Thereby light a lamp formed test station in the tool of the utility model is specially adapted to the backlight product of prior art small-medium size (being in the 1.5-3.0 cun scope).It should be understood that testable backlight product size is not limited to above-mentioned size in the present embodiment, also can make the backlight product of other range of size include in the test specification of the described tool of lighting a lamp of present embodiment through the support plate that designs different size.
When the tool of lighting a lamp in using present embodiment is tested back of the body product-derived; Press lower handle 1; Rest pad 3 drives pressure head 5 to the direction motion away from support plate 13; With two backlight products to be tested be placed on respectively on the support plate 13 by locating piece constitute about in two test station; And regulate the top that the flexible PCB FPC position that makes backlight product to be tested is in copper-clad plate 11, the positive pole and the negative pole that make flexible PCB FPC perhaps make the positive pole of FPC contact with the negative pole district with the positive polar region of copper-clad plate 11 respectively with negative pole respectively over against the positive polar region and the negative pole district of copper-clad plate 11; Regulate the position of located lateral piece 6 in second chute 7 according to the different profiles of backlight product then, and the position of longitudinal register piece 16 in the 3rd chute 8, tight a bolt 9 after regulating, to lock backlight product to be tested; Follow release handle 1; Handle 1 rotates around anchor clamps 2, drives the direction motion of rest pad 3 to support plate 13, drives the flexible PCB FPC that pressure head 5 in first chute 4 compresses backlight product downwards; The positive pole of flexible PCB FPC closely contacts with the negative pole district with the positive polar region of copper-clad plate 11 respectively with negative pole; Connect external power source, the LED lamp group on the flexible PCB FPC is lighted, thus can test on the backlight product whether have a stain, cut, impurity or bad point etc.
Adopt the utility model tool of lighting a lamp to test, can make the backlight product location be easy to control, location accurately, thereby improve the accuracy of test.
Present embodiment carries out flexible through adopting activity orientation unit, conductive unit and compressing unit three big tunable component to backlight product to be tested; Thereby make test not receive the restriction of backlight product size to be tested and flexible PCB FPC position; Thereby greatly reduce the cost of making measurement jig; Make the backlight product of different model and size all can in the tool of lighting a lamp of the utility model, realize detecting; Improve the utilization factor that detects tool greatly, removed the detection tool of making different model simultaneously from and the great number cost waste of bringing.
It is understandable that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.

Claims (10)

1. the tool of lighting a lamp comprises support plate (13), and said support plate (13) is provided with and can backlight product be fixed on the positioning unit on the support plate (13), it is characterized in that said positioning unit adopts the activity orientation unit that can regulate the backlight product fixed position.
2. the tool of lighting a lamp according to claim 1; It is characterized in that said activity orientation unit includes second chute (7) that laterally is opened on the support plate (13) and is located at two the located lateral pieces (6) in second chute (7); Said located lateral piece (6) can slide in second chute (7) or lock, and two located lateral pieces (6) are respectively applied for the two ends of the said backlight product of clamping.
3. the tool of lighting a lamp according to claim 2; It is characterized in that said activity orientation unit also includes the 3rd chute (8) that vertically is opened on the support plate (13) and is located at the longitudinal register piece (16) in the 3rd chute (8); Said longitudinal register piece (16) can slide in the 3rd chute (8) or lock; Longitudinal register piece (16) is used for the bottom of the said backlight product of clamping, and said the 3rd chute (8) is positioned at the below of second chute (7).
4. the tool of lighting a lamp according to claim 3; It is characterized in that on support plate (13), having one or more grooves (17); Said groove (17) is located at the top and/or the below of second chute (7); The position of groove (17) is near second chute (7), so that the operator picks and places backlight product from support plate (13).
5. the tool of lighting a lamp according to claim 3 is characterized in that also including the conductive unit that can be electrically connected with the flexible PCB in the backlight product in this tool of lighting a lamp, and said conductive unit is arranged on the support plate (13), is positioned at the top of second chute (7).
6. the tool of lighting a lamp according to claim 5; It is characterized in that said conductive unit comprises the copper-clad plate (11) that is arranged on the support plate (13); The middle part of said copper-clad plate (11) has crack (15); Said crack (15) is divided into positive polar region and negative pole district with the both sides of copper-clad plate (11), and the positive polar region of said copper-clad plate is connected with negative pole with the positive pole of external power source respectively with the negative pole district.
7. the tool of lighting a lamp according to claim 6; It is characterized in that also including compressing unit in this tool of lighting a lamp; Said compressing unit comprises pressure head (5); Said pressure head (5) is positioned at support plate (13) top and corresponding with said copper-clad plate (11), and pressure head (5) thereby be used to compresses backlight product makes copper-clad plate (11) contact with flexible PCB on the backlight product.
8. the tool of lighting a lamp according to claim 7; It is characterized in that also including in the said compressing unit travel(l)ing rest; Said pressure head (5) is arranged on the said travel(l)ing rest; The handle (1) that said travel(l)ing rest comprises that the anchor clamps (2), the middle part that are fixed on the support plate (13) are bearing in that said anchor clamps (2) are gone up and can rotate around said anchor clamps; One end of said handle (1) is fixed with rest pad (3), has first chute (4) on the said rest pad (3), and said pressure head (5) is located in first chute (4) and can in first chute (4), be slided or lock.
9. the tool of lighting a lamp according to claim 8; It is characterized in that the longitudinal centre line setting of said handle (1) along support plate (13); First chute (4) on the said rest pad (3) adopts symmetrically arranged two, and said two first chutes (4) are divided into the longitudinal centre line both sides of support plate; Said second chute (7) is symmetrically set in the longitudinal centre line both sides of support plate, and the located lateral piece (6) in second chute (7) adopts four, and four located lateral pieces (6) are respectively applied for the two ends of two backlight products of clamping; Said the 3rd chute (8) adopts symmetrically arranged two, and said two the 3rd chutes (8) are divided into the both sides of the longitudinal centre line of support plate; Said support plate (13), handle (1), anchor clamps (2), located lateral piece (6), longitudinal register piece (16), pressure head (5) all adopt the material of bakelite material to process.
10. according to the described tool of lighting a lamp of one of claim 1-9, it is characterized in that said support plate (13) back side is provided with pad pin (10), with supports loadboard (13).
CN201120092058U 2011-03-31 2011-03-31 Lighting jig CN202133628U (en)

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Application Number Priority Date Filing Date Title
CN201120092058U CN202133628U (en) 2011-03-31 2011-03-31 Lighting jig

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Application Number Priority Date Filing Date Title
CN201120092058U CN202133628U (en) 2011-03-31 2011-03-31 Lighting jig

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CN202133628U true CN202133628U (en) 2012-02-01

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Application Number Title Priority Date Filing Date
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883553A (en) * 2012-10-16 2013-01-16 昆山迈致治具科技有限公司 Maintenance jig of soldering block
CN103277744A (en) * 2013-05-30 2013-09-04 广州创维平面显示科技有限公司 Side-light type LED backlight module debugging jig
CN103645035A (en) * 2013-12-12 2014-03-19 京东方科技集团股份有限公司 Lighting fixture
CN105527296A (en) * 2016-01-11 2016-04-27 深圳市国显科技有限公司 Rectangular vacuumizing backlight white dot detecting jig
CN106324298A (en) * 2016-09-30 2017-01-11 京东方科技集团股份有限公司 Lighting test equipment
CN106896537A (en) * 2017-02-23 2017-06-27 京东方科技集团股份有限公司 A kind of lighting jig
CN107121801A (en) * 2017-06-29 2017-09-01 武汉精测电子技术股份有限公司 A kind of automatically controlled lighting detection method of small size LCD screen
CN111342321A (en) * 2020-02-28 2020-06-26 京东方科技集团股份有限公司 Pressure welding device and lighting equipment

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883553A (en) * 2012-10-16 2013-01-16 昆山迈致治具科技有限公司 Maintenance jig of soldering block
CN103277744A (en) * 2013-05-30 2013-09-04 广州创维平面显示科技有限公司 Side-light type LED backlight module debugging jig
CN103277744B (en) * 2013-05-30 2015-11-18 广州创维平面显示科技有限公司 Side light type LED back light module debugging tool
CN103645035A (en) * 2013-12-12 2014-03-19 京东方科技集团股份有限公司 Lighting fixture
CN103645035B (en) * 2013-12-12 2016-03-02 京东方科技集团股份有限公司 A kind of lighting jig
CN105527296A (en) * 2016-01-11 2016-04-27 深圳市国显科技有限公司 Rectangular vacuumizing backlight white dot detecting jig
CN106324298A (en) * 2016-09-30 2017-01-11 京东方科技集团股份有限公司 Lighting test equipment
CN106324298B (en) * 2016-09-30 2020-08-11 京东方科技集团股份有限公司 Lighting test equipment
CN106896537A (en) * 2017-02-23 2017-06-27 京东方科技集团股份有限公司 A kind of lighting jig
CN106896537B (en) * 2017-02-23 2020-04-14 京东方科技集团股份有限公司 Lighting jig
CN107121801A (en) * 2017-06-29 2017-09-01 武汉精测电子技术股份有限公司 A kind of automatically controlled lighting detection method of small size LCD screen
CN111342321A (en) * 2020-02-28 2020-06-26 京东方科技集团股份有限公司 Pressure welding device and lighting equipment

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Effective date of registration: 20180418

Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Patentee after: BOE Technology Group Co., Ltd.

Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Co-patentee before: Xiamen BOE Co., Ltd.

Patentee before: BOE Technology Group Co., Ltd.

Effective date of registration: 20180418

Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Patentee after: BOE Technology Group Co., Ltd.

Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Co-patentee before: Xiamen BOE Co., Ltd.

Patentee before: BOE Technology Group Co., Ltd.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20120201