CN102734707B - Method for manufacturing backlight module and double-sided adhesive for fixing same - Google Patents
Method for manufacturing backlight module and double-sided adhesive for fixing same Download PDFInfo
- Publication number
- CN102734707B CN102734707B CN201210177353.XA CN201210177353A CN102734707B CN 102734707 B CN102734707 B CN 102734707B CN 201210177353 A CN201210177353 A CN 201210177353A CN 102734707 B CN102734707 B CN 102734707B
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- Prior art keywords
- led lamp
- double
- faced adhesive
- adhesive tape
- lamp bar
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000853 adhesive Substances 0.000 title abstract 6
- 230000001070 adhesive effect Effects 0.000 title abstract 6
- 239000002390 adhesive tape Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a method for manufacturing a backlight module and a double-sided adhesive for fixing the same. The method comprises the following steps of: providing a back board and a fish-spear-shaped LED (Light Emitting Diode) lamp board, wherein the fish-spear-shaped LED lamp board comprises a plurality of LED lamp strips which are spaced, and a connecting board which is integrated with the spaced lamp strips and used for connecting the lamp strips; and adhering the LED lamp board to the back board by using the double-sided adhesive, wherein the double-sided adhesive comprises releasing paper and a plurality of double-sided adhesive tapes adhered to the releasing paper, the double-sided adhesive tapes on the releasing paper are arranged in a spacing manner, and the number of the double-sided adhesive tapes is the same as that of the LED lamp strips. Both the structure and shape of the double-sided adhesive are designed according to the LED lamp board, the double-sided adhesive tapes are identical to the LED lamp strips in spacing and number, and double-sided adhesives can be all excellently adhered through once locating, so that the operation is convenient, time-saving and labor-saving.
Description
[technical field]
The invention relates to field of liquid crystal display, particularly about the improvement of LCD screen backlight module and fixing double faced adhesive tape thereof.
[background technology]
In the display screen such as LCD TV, computer liquid crystal display screen, usually need to arrange the backlight module that provides light source, traditional backlight module adopts cold-cathode tube as back light, the features such as present low-power consumption, lower calorific value because of LED, brightness is high, the life-span is long, backlight module gradually adopts LED as back light.
The LED-backlit module of traditional LCDs, it is normally made up of backboard, back light, blooming piece etc.Wherein back light is pasted onto by LED lamp bar one by one light source backboard being formed whole backlight module, and every bar LED lamp bar is made up of strip printed circuit board (PCB) and the LED be installed on printed circuit board (PCB).Because what existing LED-backlit module adopted is single lamp bar, the backlight of whole screen is formed, often need to paste single lamp bar one by one, form many rows lamp bar side by side, for whole screen provides back light.During the single lamp bar of such manufacture, if single lamp bar makes separately, efficiency is lower, if multiple lamp bar makes then cut into single lamp bar simultaneously, material then between single lamp bar can be given up, cause the waste of material, and each all need to use double faced adhesive tape to paste one by one when pasting lamp bar, inconvenient during operating cost.
Therefore be necessary to improve existing LED-backlit module, to overcome aforesaid defect.
[summary of the invention]
The object of the present invention is to provide a kind of manufacture method of LED-backlit module, it is easy to assembly saves time.
Another object of the present invention is to provide the double faced adhesive tape for fixed L ED lamp plate in a kind of backlight module.
For reaching aforementioned object, the manufacture method of a kind of backlight module of the present invention, it comprises:
One backboard is provided;
One LED lamp panel is provided, described LED lamp panel comprise some intervals LED lamp bar and and the connecting plate of the described LED lamp bar of connection that is integrally formed of the LED lamp bar at described some intervals;
Use double faced adhesive tape to be pasted on described backboard by described LED lamp panel, wherein said double faced adhesive tape comprises release liners and is pasted on the plural double-sided tape in release liners, for interval is arranged between the plural double-sided tape in wherein said release liners.
According to one embodiment of present invention, the width of the double-sided tape of described double faced adhesive tape is identical with the width of the lamp bar of described LED lamp panel.
According to one embodiment of present invention, the spacing distance between the plural double-sided tape of described double faced adhesive tape is identical with the spacing distance between the lamp bar of described LED lamp panel.
According to one embodiment of present invention, the quantity of the double-sided tape of described double faced adhesive tape is identical with the quantity of the lamp bar of described LED lamp panel.
For reaching another object aforementioned, a kind of double faced adhesive tape for spear type LED lamp panel of the present invention, described double faced adhesive tape comprises release liners and is pasted on the plural double-sided tape in release liners, described spear type LED lamp panel comprises the LED lamp bar at some intervals and connects the connecting plate of described LED lamp bar, and the plural double-sided tape in wherein said release liners is that interval is arranged.
According to one embodiment of present invention, the width of the double-sided tape of described double faced adhesive tape is identical with the width of the lamp bar of described spear type LED lamp panel.
According to one embodiment of present invention, the spacing distance between the plural double-sided tape of described double faced adhesive tape is identical with the spacing distance between the lamp bar of described LED lamp panel.
According to one embodiment of present invention, the quantity of the double-sided tape of described double faced adhesive tape is identical with the quantity of the lamp bar of described LED lamp panel.
LED-backlit module of the present invention, directly can use by whole plate after lamp plate cutting, avoids in prior art and need a situation that a lamp bar mounts one by one, can save man-hour and cost.Whole PCB adopts the arrangement of cross complementary formula, and LED drives and is placed on PCB two ends, takes full advantage of PCB material, cost-saving.And the double faced adhesive tape used when manufacturing is the structure matched with the lamp bar of described lamp plate, the structure of double faced adhesive tape and profile all design according to LED lamp panel, and spacing and quantity are all identical with LED lamp bar, one-time positioning, double faced adhesive tape all can be posted, operation is convenient, time saving and energy saving.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the LED lamp panel of LED-backlit module of the present invention.
Fig. 2 is the structural representation of LED lamp panel of the present invention when not cutting.
Fig. 3 is the structural representation after LED lamp panel of the present invention cutting.
Fig. 4 is the structural representation of the double faced adhesive tape that LED lamp panel of the present invention uses when fixing.
[detailed description of the invention]
Alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
The manufacture method of LED-backlit module of the present invention mainly comprises the steps: first to provide a backboard; Then provide a LED lamp panel, the structure of described LED lamp panel and manufacture method will be told about below in detail; Double faced adhesive tape is used described LED lamp panel to be pasted on described backboard afterwards.For outstanding innovation and creation content of the present invention, about other structures and the assembling process of backlight module, the present invention describes in detail no longer one by one.
Refer to shown in Fig. 1, it shows the structural representation of LED lamp panel of the present invention.As shown in FIG., LED lamp panel 100 of the present invention is formed by printed circuit board (PCB) cutting, it comprises some LED lamp bar 112, every bar LED lamp bar 112 comprises rectangular strip printed circuit board (PCB) 11 and is installed on the LED 12 on printed circuit board (PCB) 11, one end of every bar LED lamp bar is linked together by connecting plate 13, because the reason of cutting forms the clearance space 14 of hollow out between every two LED lamp bar.The wherein integrated constant-current drive circuit 15 being provided with the LED driven in every bar LED lamp bar on the connecting plate connecting every bar LED lamp bar.
Refer to shown in Fig. 2 and Fig. 3, it shows the structural representation of lamp plate in the main process of the manufacture of LED lamp panel of the present invention, as shown in Figure 2, first LED lamp panel of the present invention provides a printed circuit board (pcb board) 11, be preset with the conductive traces (not shown) for mounted LED lamp and drive circuit on the printed circuit board 11, printed circuit board (PCB) 11 is divided into some the first LED mounting bars 112 be arranged side by side by the conductive traces preset on a printed circuit, and the some second LED mounting bars 113 that are arranged side by side spaced with described first LED mounting bar 112, one end of wherein said some the first LED mounting bars 112 is interconnected, the relative other end of described some the second LED mounting bars 113 is interconnected, whole printed circuit board (PCB) 11 is divided into the relative E character form structure of two intersections.
Then mounted LED lamp on a printed circuit.LED can be pasted in the conductive traces of printed circuit board (PCB) by surface mount technology correspondence.As shown in Figure 2, mounted LED lamp 12 on the first LED mounting bar 112 of described printed circuit board (PCB), form some the first LED lamp bar 112, mounted LED lamp 12 on the second LED mounting bar 113 of described printed circuit board (PCB), form some the second LED lamp bar 113.
Afterwards, more on a printed circuit LED drive circuit 15 is installed.Refer to shown in Fig. 2, described LED drive circuit peace 15 is loaded on the connecting plate 13 of the every bar LED lamp bar of connection of printed circuit board (PCB) both sides.In one embodiment of the invention, described LED drive circuit 15 can be one piece of integrated constant-current driven chip, and its correspondence is welded in the conductive traces on printed circuit board (PCB), several LED lamp bar can share a drive circuit.In other embodiments, described drive circuit 15 also can be adopt discrete device to be welded on described printed circuit board (PCB) to form drive circuit.
In the aforementioned embodiment, the drive circuit of LED lamp panel of the present invention is integrated on printed circuit board (PCB), in other embodiments, and also can not integrated drive electronics on a printed circuit, only arrange socket on a printed circuit, the form being connected external driving by connector carrys out driving LED lamp.
Refer to shown in Fig. 2, after having welded LED 12 and drive circuit 15, namely form a monoblock lamp plate.As shown in Figure 3, the first LED lamp bar 112 is separated with the second LED lamp bar 113, printed circuit board (PCB) 11 is cut the lamp plate 100,200 that formation two pieces is similar to separately spear type, between so every bar LED lamp bar 112,113, form the clearance space of hollow out.
Use double faced adhesive tape aforementioned LED lamp panel to be fixed on backboard when lamp plate is assembled in backlight module.Refer to shown in Fig. 4, the structural representation of the double faced adhesive tape used in its display the present invention.
As shown in Figure 4, double faced adhesive tape of the present invention comprises release liners 41 and is pasted on the plural double-sided tape 42 in release liners 41, for interval is arranged between plural double-sided tape 42 in wherein said release liners 41, the width d of the adhesive tape 42 of described double faced adhesive tape is identical with the width d (as shown in Figure 1) of the lamp bar of aforementioned spear type LED lamp panel 100, the spacing distance w of described double faced adhesive tape adhesive tape 42 is identical with the spacing distance w (as shown in Figure 1) of the lamp bar 100 of described LED lamp panel, and the quantity of described double faced adhesive tape adhesive tape 42 is identical with the quantity of the lamp bar of described LED lamp panel.The structure of double faced adhesive tape and profile can design according to LED lamp panel, make the spacing between the spacing between the double-sided tape 42 on it and the quantity LED lamp bar 112,113 all and on the lamp plate 100,200 of spear type identical with quantity, in use, first the double-sided tape 42 on double faced adhesive tape can be aimed at and be attached on the lamp bar 112,113 of lamp plate 100,200, and then whole lamp plate is affixed on backboard.So, then only need one-time positioning, double faced adhesive tape all can be posted, operation is convenient, time saving and energy saving.
Above-mentioned explanation fully discloses the specific embodiment of the present invention.It is pointed out that the scope be familiar with person skilled in art and any change that the specific embodiment of the present invention is done all do not departed to claims of the present invention.Correspondingly, the scope of claim of the present invention is also not limited only to previous embodiment.
Claims (2)
1. a manufacture method for backlight module, it comprises:
One backboard is provided;
One LED lamp panel is provided, described LED lamp panel comprise some intervals LED lamp bar and and the connecting plate of the described LED lamp bar of connection that is integrally formed of the LED lamp bar at described some intervals;
Double faced adhesive tape is used to be pasted on described backboard by described LED lamp panel, wherein said double faced adhesive tape comprises release liners and is pasted on the plural double-sided tape in release liners, for interval is arranged between plural double-sided tape in wherein said release liners, spacing distance between the plural double-sided tape of described double faced adhesive tape is identical with the spacing distance between the lamp bar of described LED lamp panel, the quantity of the double-sided tape of described double faced adhesive tape is identical with the quantity of the lamp bar of described LED lamp panel, the width of the double-sided tape of described double faced adhesive tape is identical with the width of the lamp bar of described LED lamp panel, the length of described double-sided tape equals the length of described LED lamp bar,
First the double-sided tape on described double faced adhesive tape aimed at and in the disposable LED lamp bar being attached at described LED lamp panel, more whole LED lamp panel to be affixed on described backboard.
2. the double faced adhesive tape for spear type LED lamp panel, described double faced adhesive tape comprises release liners and is pasted on the plural double-sided tape in release liners, described spear type LED lamp panel comprises the LED lamp bar at some intervals and connects the connecting plate of described LED lamp bar, for interval is arranged between plural double-sided tape in wherein said release liners, the width of the double-sided tape of described double faced adhesive tape is identical with the width of the lamp bar of described spear type LED lamp panel, spacing distance between the plural double-sided tape of described double faced adhesive tape is identical with the spacing distance of the lamp bar of described LED lamp panel, the quantity of the double-sided tape of described double faced adhesive tape is identical with the quantity of the lamp bar of described LED lamp panel, first by described double faced adhesive tape double-sided tape aim at and in the disposable LED lamp bar being attached at described LED lamp panel, again whole LED lamp panel is affixed on backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210177353.XA CN102734707B (en) | 2012-06-01 | 2012-06-01 | Method for manufacturing backlight module and double-sided adhesive for fixing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210177353.XA CN102734707B (en) | 2012-06-01 | 2012-06-01 | Method for manufacturing backlight module and double-sided adhesive for fixing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102734707A CN102734707A (en) | 2012-10-17 |
| CN102734707B true CN102734707B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210177353.XA Expired - Fee Related CN102734707B (en) | 2012-06-01 | 2012-06-01 | Method for manufacturing backlight module and double-sided adhesive for fixing same |
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| Country | Link |
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| CN (1) | CN102734707B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10126489B2 (en) | 2016-08-09 | 2018-11-13 | Microsoft Technology Licensing, Llc | Liquid crystal display module |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048272A (en) * | 2014-07-07 | 2014-09-17 | 深圳市德仓科技有限公司 | Sticking structure and sticking method |
| CN104456309A (en) * | 2014-11-19 | 2015-03-25 | 合肥宝龙达光电技术有限公司 | Light bar gluing method for backlight module |
| CN104456451A (en) * | 2014-12-25 | 2015-03-25 | 合肥宝龙达光电技术有限公司 | Whole pasting method for light bar and double faced adhesive tape |
| CN105425466A (en) * | 2016-01-04 | 2016-03-23 | 北京京东方茶谷电子有限公司 | Light bar back glue, pressing plate, attaching jig, and attaching method |
| CN106579553A (en) * | 2016-11-28 | 2017-04-26 | 惠州市柯帝士科技有限公司 | Evacuator |
| CN106723365A (en) * | 2016-11-28 | 2017-05-31 | 惠州市柯帝士科技有限公司 | Fume absorbent device |
| CN111308786B (en) * | 2020-04-02 | 2022-09-09 | 京东方科技集团股份有限公司 | Backlight module, display panel and display device |
| CN116772131A (en) * | 2023-06-26 | 2023-09-19 | 惠科股份有限公司 | Lamp panel, manufacturing method of lamp panel and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009025602A (en) * | 2007-07-20 | 2009-02-05 | Citizen Electronics Co Ltd | Pressure-sensitive adhesive double coated tape for liquid crystal cell adhesion, backlight unit, liquid crystal display device and method for manufacturing liquid crystal display device |
| TWI402574B (en) * | 2009-09-25 | 2013-07-21 | Chunghwa Picture Tubes Ltd | Back light module |
| US9453959B2 (en) * | 2010-03-30 | 2016-09-27 | Lg Innotek Co., Ltd. | Backlight unit and display apparatus |
| CN102411166B (en) * | 2010-09-20 | 2013-04-24 | 敦网光电股份有限公司 | Direct type light guiding structure, direct type light guide plate and light emitting device |
| CN102434857A (en) * | 2011-12-26 | 2012-05-02 | 苏州东山精密制造股份有限公司 | LED (Light-Emitting Diode) lamp panel and manufacturing method thereof |
| CN202849314U (en) * | 2012-06-01 | 2013-04-03 | 苏州东山精密制造股份有限公司 | Double-sided adhesive tape for fixing LED lamp panel |
-
2012
- 2012-06-01 CN CN201210177353.XA patent/CN102734707B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10126489B2 (en) | 2016-08-09 | 2018-11-13 | Microsoft Technology Licensing, Llc | Liquid crystal display module |
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| Publication number | Publication date |
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| CN102734707A (en) | 2012-10-17 |
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Effective date of registration: 20160527 Address after: 523000 No. 8 Fenghuang Mountain Road, Dongshan Industrial Park, Dongguan, Guangdong, Wuzhong District Patentee after: DONGGUAN DONGSHAN PRECISION MANUFACTURING CO., LTD. Address before: 215107 No. 8 Fenghuang Mountain Road, Dongshan Industrial Park, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou Dongshan Precision Manufacturing Co., Ltd. |
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Denomination of invention: Method for manufacturing backlight module and double-sided adhesive for fixing same Effective date of registration: 20180103 Granted publication date: 20150204 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: DONGGUAN DONGSHAN PRECISION MANUFACTURING CO., LTD. Registration number: 2017440000225 |
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Date of cancellation: 20190705 Granted publication date: 20150204 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: DONGGUAN DONGSHAN PRECISION MANUFACTURING CO., LTD. Registration number: 2017440000225 |
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Granted publication date: 20150204 Termination date: 20200601 |
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