CN110346977A - A kind of lamp bar improving assembly clearance - Google Patents
A kind of lamp bar improving assembly clearance Download PDFInfo
- Publication number
- CN110346977A CN110346977A CN201910788210.4A CN201910788210A CN110346977A CN 110346977 A CN110346977 A CN 110346977A CN 201910788210 A CN201910788210 A CN 201910788210A CN 110346977 A CN110346977 A CN 110346977A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- circuit board
- flexible circuit
- grain
- grooving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The present invention discloses a kind of lamp bar for improving assembly clearance, including the flexible circuit board and multiple LED lamp grains being fixedly connected on flexible circuit board for winding displacement, it is characterized in that, flexible circuit board is provided with the grooving positioned at LED lamp grain lower end, wherein grooving is not at flexible circuit board winding displacement region, flexible circuit board is divided into the interconnecting piece for not excavating portion and be fixedly connected with LED lamp grain with electrode by grooving, is connect by winding displacement with LED lamp grain electrode wherein not excavating portion's top electrode；There is certain elastic deformability by the interconnecting piece of flexible circuit board, the mobile LED lamp grain being located on flexible circuit board, reduce the spacing between LED lamp grain and light guide plate, so that lamp bar and guide-lighting inter-plate gap are qualified, to be further reduced light refraction, improve lamp bar and light guide plate because bad brought by clearance issues.
Description
Technical field
The present invention relates to backlight production field, specifically a kind of lamp bar for improving assembly clearance.
Background technique
With the development of liquid crystal display industry, the demand of backlight module is also more and more, in normal backlight module,
Lamp bar includes leading for the flexible circuit board 2 of winding displacement and multiple LED lamp grains 1 being mounted on flexible circuit board 2, and wherein lamp grain is solid
It is scheduled on flexible circuit board 2, lamp bar is assembled on light guide plate 3 at this time, deposit in lamp bar after assembling between lamp grain and light guide plate 3
Gap is excessive (as depicted in figs. 1 and 2), causes light refraction problem.
Summary of the invention
The purpose of the present invention is to provide a kind of lamp bars for improving assembly clearance, have by the interconnecting piece of flexible circuit board
Certain elastic deformability, the mobile LED lamp grain being located on flexible circuit board, between reducing between LED lamp grain and light guide plate
Away from so that lamp bar and guide-lighting inter-plate gap are qualified, to be further reduced light refraction, improvement lamp bar and light guide plate are because asking in gap
It is bad brought by topic.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of lamp bar improving assembly clearance, including the flexible circuit board for winding displacement and multiple is fixedly connected on soft electricity
LED lamp grain on the plate of road, flexible circuit board are provided with the grooving near LED lamp grain, and wherein grooving is not at flexible circuit board
Flexible circuit board is divided into the interconnecting piece for not excavating portion and be fixedly connected with LED lamp grain with electrode by winding displacement region, grooving,
In do not excavate portion's top electrode and connect with LED lamp grain electrode by winding displacement.
Further, the grooving is located at LED lamp grain lower end two sides, by the interconnecting piece of LED lamp grain two sides to LED lamp grain
It is routed.
Further, the grooving further includes that the flexible circuit board for being located at light guide plate side to LED lamp grain is hollowed out completely
Borehole.
Further, the grooving is located at LED lamp grain lower end side, by the interconnecting piece of LED lamp grain unilateral side to LED lamp grain
It is routed.
Beneficial effects of the present invention:
1, the present invention has certain elastic deformability by the interconnecting piece of flexible circuit board, mobile to be located at flexible circuit
LED lamp grain on plate reduces the spacing between LED lamp grain and light guide plate, so that lamp bar and guide-lighting inter-plate gap are qualified, thus into
One step reduces light refraction, improves lamp bar and light guide plate because bad brought by clearance issues；
2, the present invention makes the side flexible circuit board region of LED lamp grain become smaller by grooving, further, reduce due to
Penetrate optical reflection caused by flexible circuit board.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is existing lamp bar and assembling light guiding plate schematic diagram；
Fig. 2 is existing lamp bar structural schematic diagram；
Fig. 3 is one lamp bar structural schematic diagram of the embodiment of the present invention；
Fig. 4 is two lamp bar structural schematic diagram of the embodiment of the present invention；
Fig. 5 is three lamp bar structural schematic diagram of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
As shown in Figures 3 to 5, a kind of lamp bar improving assembly clearance, including flexible circuit board 2 for winding displacement and multiple
The LED lamp grain 1 being fixedly connected on flexible circuit board 2, flexible circuit board 2 are provided with the grooving 4 near LED lamp grain 1, wherein
Grooving 4 is not at 2 winding displacement region of flexible circuit board, grooving 4 by flexible circuit board 2 divide for electrode do not excavate portion 21 and with
The interconnecting piece 22 that LED lamp grain 1 is fixedly connected is connect by winding displacement with 1 electrode of LED lamp grain wherein not excavating 21 top electrode of portion.
In use, the interconnecting piece 22 of flexible circuit board 2 has certain elasticity at this time since flexible circuit board 2 is in soft
Deformability causes spacing between LED lamp grain 1 and light guide plate 3 that can be adjusted, and is located on flexible circuit board 2 by mobile
LED lamp grain 1, reduce the spacing between LED lamp grain 1 and light guide plate 3 so that gap qualification between lamp bar and light guide plate 3, thus into
One step reduces light refraction, improves lamp bar with light guide plate 3 because bad brought by clearance issues；
Meanwhile by grooving 4,2 region of side flexible circuit board of LED lamp grain 1 is made to become smaller, further, reduce due to
Penetrate optical reflection caused by flexible circuit board 2.
As shown in figure 3, embodiment one, grooving 4 is located at 1 lower end two sides of LED lamp grain, passes through the company of 1 two sides of LED lamp grain at this time
Socket part 22 is routed LED lamp grain 1, using 22 elasticity of interconnecting piece of 1 two sides of LED lamp grain, realizes LED lamp grain 1 and light guide plate 3
Between spacing adjust.
As shown in figure 4, implementing two, under the premise of grooving 4 is located at 1 lower end two sides of LED lamp grain, grooving at this time 4 further includes pair
LED lamp grain 1 is located at the borehole 41 that the flexible circuit board 2 of 3 side of light guide plate is hollowed out completely, retains relative to 1 two sides of LED lamp grain
Flexible circuit board 2, LED lamp grain 1 is limited due to being not at the flexible circuit board 2 of 3 side of light guide plate at this time, is displaced LED lamp grain 1
Distance increases.
As shown in figure 5, embodiment three, grooving 4 is located at 1 lower end side of LED lamp grain, company unilateral by LED lamp grain 1 at this time
Socket part 22 is routed LED lamp grain 1, using 22 elasticity of interconnecting piece that LED lamp grain 1 is unilateral, realizes LED lamp grain 1 and light guide plate 3
Between spacing adjust.
Certainly 2 grooving 4 of flexible circuit board includes but is not limited to above-described embodiment one, embodiment two and reality in the present invention
These three situations of example three are applied, as long as can be by carrying out grooving 4 to flexible circuit board 2, the soft electricity connected using LED lamp grain 1
2 interconnecting piece of road plate, 22 elasticity, adjusts the gap of LED lamp grain 1 and light guide plate 3, for solving because between LED lamp grain 1 and light guide plate 3
Gap and the optical reflection problem occurred all falls in the scope of protection of the present invention.
Certain above-mentioned grooving 4 on the basis of not influencing 2 winding displacement of flexible circuit board and stability, carries out implementation operation
's.
In use, the first step, carries out grooving 4 to flexible circuit board 2 and handles；
Second step, LED lamp grain 1 are fixed on flexible circuit board 2, i.e., what tin cream quantitatively positioned as required is printed onto soft
LED lamp grain 1, the fixation position of flexible circuit board 2 is accurately installed to using chip mounter by the process on the corresponding pad of circuit board 2
On, recycle curing oven to melt Heraeus, to make LED lamp grain 1 together with 2 strong bond of flexible circuit board.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (4)
1. a kind of lamp bar for improving assembly clearance, including the flexible circuit board 2 for winding displacement and multiple is fixedly connected on soft electricity
LED lamp grain 1 on road plate 2, which is characterized in that flexible circuit board 2 is provided with the grooving 4 near LED lamp grain 1, wherein grooving 4
It is not at 2 winding displacement region of flexible circuit board, grooving 4 divides flexible circuit board 2 not excavate portion 21 and and LED lamp with electrode
The interconnecting piece 22 that grain 1 is fixedly connected is connect by winding displacement with 1 electrode of LED lamp grain wherein not excavating 21 top electrode of portion.
2. a kind of lamp bar for improving assembly clearance according to claim 1, which is characterized in that the grooving 4 is located at LED lamp
1 lower end two sides of grain, are routed LED lamp grain 1 by the interconnecting piece 22 of 1 two sides of LED lamp grain.
3. a kind of lamp bar for improving assembly clearance according to claim 2, which is characterized in that the grooving 4 further includes pair
LED lamp grain 1 is located at the borehole 41 that the flexible circuit board 2 of 3 side of light guide plate is hollowed out completely.
4. a kind of lamp bar for improving assembly clearance according to claim 1, which is characterized in that the grooving 4 is located at LED lamp
1 lower end side of grain is routed LED lamp grain 1 by the unilateral interconnecting piece 22 of LED lamp grain 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788210.4A CN110346977A (en) | 2019-08-26 | 2019-08-26 | A kind of lamp bar improving assembly clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788210.4A CN110346977A (en) | 2019-08-26 | 2019-08-26 | A kind of lamp bar improving assembly clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110346977A true CN110346977A (en) | 2019-10-18 |
Family
ID=68181157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910788210.4A Pending CN110346977A (en) | 2019-08-26 | 2019-08-26 | A kind of lamp bar improving assembly clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110346977A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011034692A (en) * | 2009-07-30 | 2011-02-17 | Casio Computer Co Ltd | Backlight device and liquid crystal display device |
| TWM404393U (en) * | 2010-11-10 | 2011-05-21 | Chunghwa Picture Tubes Ltd | Light bar structure and display device |
| CN203656837U (en) * | 2013-12-31 | 2014-06-18 | 广州市权友照明灯具有限公司 | A foldable flexible printed circuit board and a bendable LED lamp tube |
| CN208951738U (en) * | 2017-11-23 | 2019-06-07 | 亿光电子工业股份有限公司 | Light emitting module and light emitting device |
| CN210348144U (en) * | 2019-08-26 | 2020-04-17 | 博讯光电科技(合肥)有限公司 | Lamp strip capable of improving assembly clearance |
-
2019
- 2019-08-26 CN CN201910788210.4A patent/CN110346977A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011034692A (en) * | 2009-07-30 | 2011-02-17 | Casio Computer Co Ltd | Backlight device and liquid crystal display device |
| TWM404393U (en) * | 2010-11-10 | 2011-05-21 | Chunghwa Picture Tubes Ltd | Light bar structure and display device |
| CN203656837U (en) * | 2013-12-31 | 2014-06-18 | 广州市权友照明灯具有限公司 | A foldable flexible printed circuit board and a bendable LED lamp tube |
| CN208951738U (en) * | 2017-11-23 | 2019-06-07 | 亿光电子工业股份有限公司 | Light emitting module and light emitting device |
| CN210348144U (en) * | 2019-08-26 | 2020-04-17 | 博讯光电科技(合肥)有限公司 | Lamp strip capable of improving assembly clearance |
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