CN104566045B - A kind of down straight aphototropism mode set and its assemble method - Google Patents
A kind of down straight aphototropism mode set and its assemble method Download PDFInfo
- Publication number
- CN104566045B CN104566045B CN201510040209.5A CN201510040209A CN104566045B CN 104566045 B CN104566045 B CN 104566045B CN 201510040209 A CN201510040209 A CN 201510040209A CN 104566045 B CN104566045 B CN 104566045B
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- Prior art keywords
- backboard
- separating plate
- screw
- lamp bar
- bottom reflection
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of down straight aphototropism mode set and its assemble method, the down straight aphototropism mode set includes：Backboard, the first bottom reflection piece, and it is sequentially arranged in the lamp bar on the first bottom reflection piece, the bottom of the backboard offers the opening being adapted with the first bottom reflection plate plane, and separating plate is provided with the opening, the first bottom reflection piece and lamp bar are arranged on the separating plate and the bottom of the backboard are arranged on by the separating plate；Backboard is split as into two parts, and screw is locked by outside be attached, when needing to change lamp bar, only need to dismantle lamp bar from the bottom of backboard, it is to avoid damage the other assemblies of backlight module in unloading process successively from top to bottom.
Description
Technical field
The present invention relates to LED backlight display technology field, more particularly to a kind of down straight aphototropism mode set and its assembling
Method.
Background technology
Down straight aphototropism mode set refers to light source after spontaneous light source (such as fluorescent tube, LED) injection, upwards through diffuser plate
It is dispersed to be projected after front.The backlight LED accommodation spaces of straight-down negative become greatly but also increase the thickness of module simultaneously, again
Amount, power consumption, its advantage are high briliancy, good light extraction visual angle, light utilization ratio height, simple structure etc., thus are applied to
To portability and space requirement less fastidious LCD displays and LCD TV.
As shown in figure 1, Fig. 1 is the exploded perspective view of traditional down straight aphototropism mode set, the backlight module is specifically included：Front frame
110th, liquid crystal panel 120, center 130, blooming piece 140, lamp bar 150, bottom reflection piece 160 and backboard 170.Traditional straight-down negative
Back light module backboard is integrated design, lamp bar 150 together with bottom reflection piece 160 by screw locking in backboard bottommost, its
Packaging technology is divided into two kinds of positive-installeds and flip-over type.
The assembling sequence of positive-installed is to assemble lamp bar 150, bottom reflection piece 160 and optics successively on backboard 170 successively
Diaphragm 140, then block after center 130, liquid crystal panel 120 is then placed, front frame 110 is locked finally by screw.Advantage is raw
Yield is produced high, liquid crystal panel 120 and blooming piece 140 are changed and be relatively easy to, it is necessary to from liquid crystal when having the disadvantage to change lamp bar 150
Panel 120 tears the lamp bar 150 of the bottommost of backboard 170 open always, operates very cumbersome.
The assembling sequence of flip-over type completely opposite with formal dress is that the He of liquid crystal panel 120 is sequentially placed on center 130 successively
Blooming piece 140, then places and assembles bottom reflection piece 160 and the backboard 170 of lamp bar 150, before being locked finally by screw
Frame 110.What advantage was first dismantled when being dismounting is back board part, the material such as readily replaceable lamp bar 150, bottom reflection piece 160.Shortcoming
It is that production yield is relatively less than formal dress, while it is very cumbersome to change operation during panel.
The bad of 2-3% is there are about in the normal production of backlight, a part of bad lamp bar 150 and bottom are derived from wherein maximum
Face reflector plate 160.The problem of lamp bar 150 occupies the overwhelming majority in the high-volume quality problems occurred in direct-type backlight simultaneously, institute
Done over again maintenance activity with being frequently necessary to progress.
Major part producer uses formal dress mode at present, but existing formal dress mode changes lamp bar 150, it is necessary to from front frame
110 dismantle to the bottommost of backboard 170, so easily causing the damage of liquid crystal panel 120 and blooming piece 140 successively.Simultaneously
Because the reason for bottom surface reflector plate 160 needs rubberizing in production, bottom reflection piece 160 all can be scrapped when substantially doing over again, this
Sample causes the cost done over again very high, and when particularly occurring in high volume doing over again, the damage cost of bottom reflection piece 160 is very
Costliness, while this structure, which is also unfavorable for research staff's early stage, changes the adjustment colourity of lamp bar 150.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, the present invention provides a kind of down straight aphototropism mode set and its assemble method, it will carry on the back
Plate is split as two parts, and locks screw by outside and be attached, only need to be from the bottom of backboard when needing to change lamp bar
Dismantle lamp bar, it is to avoid damage the other assemblies of backlight module in unloading process successively from top to bottom.
Technical scheme is as follows：
A kind of down straight aphototropism mode set, including：Backboard, the first bottom reflection piece, and it is sequentially arranged in first bottom
Lamp bar on the reflector plate of face, the bottom of the backboard offers the opening being adapted with the first bottom reflection of lamp plate plane,
And separating plate is provided with the opening, the first bottom reflection piece and lamp bar are arranged on the separating plate and passed through
The separating plate is arranged on the bottom of the backboard.
Described down straight aphototropism mode set, wherein, the first screw and the first screw are provided with the separating plate outer rim, and
The second screw is correspondingly arranged at the back plate openings, first screw, which will sequentially pass through the first screw and the second screw, to be divided
Locked from plate in the bottom of the backboard.
Described down straight aphototropism mode set, wherein, it is provided with the 3rd screw and the second spiral shell on the first bottom reflection piece
Nail, and the 4th screw is correspondingly arranged on the separating plate, the lamp bar is between the first bottom reflection piece and separating plate
Between, second screw sequentially passes through the 3rd screw and the 4th screw locks the first bottom reflection piece and lamp bar at described point
From on plate.
Described down straight aphototropism mode set, wherein, the backboard includes：Department of assembly for connecting the separating plate, with
And the adjustment portion for adjusting light mixing distance is obliquely installed and is used for the department of assembly.
Described down straight aphototropism mode set, wherein, it is provided with the second bottom reflection piece on the inside of the adjustment portion.
A kind of assemble method of the down straight aphototropism mode set based on described in any of the above-described, comprises the following steps：
Liquid crystal panel, blooming piece are arranged in backboard successively first；
Then the first bottom reflection piece and lamp bar are arranged on separating plate；
Finally separating plate is locked in the bottom of backboard by the first screw.
The assemble method of described down straight aphototropism mode set, wherein, when changing lamp bar, by separating plate from the bottom of backboard
Disassemble, and lamp bar is taken out between the first bottom reflection piece and separating plate.
The assemble method of described down straight aphototropism mode set, wherein, the down straight aphototropism mode set is assembled using positive-installed.
Beneficial effects of the present invention：
Compared with prior art, a kind of down straight aphototropism mode set provided by the present invention and its assemble method, with following
Advantage：
1）, because backboard is made up of two parts, mould is smaller, can save certain die cost, while backboard can be realized
Modularization, separating plate can be shared with size module, and the type of different light mixing distances only needs to the inclined-plane side moulding of change backboard i.e.
It can arrange in pairs or groups and use；
2）, when doing over again, lamp bar easy to disassemble or the first bottom reflection piece etc., simultaneously because assembling mode is formal dress
Formula, also allow for dismounting panel, blooming piece, the component such as diffuser plate, can targetedly change backlight material, it is to avoid when doing over again
The substantial amounts of material waste formed；
3）, traditional down straight aphototropism mode set, backboard designs for integral type, it is necessary to from top to bottom during replacing lamp bar component, by
Layer is disassembled, and operational sequence is complicated, and man-hour used is more, the split type backboard provided using the present invention, can be achieved lamp bar from the back of the body
It is directly separated out on plate, reaches rapid disassembling more alternatively effect.
Brief description of the drawings
Fig. 1 is the exploded perspective view of traditional down straight aphototropism mode set；
Fig. 2 is the exploded perspective view of down straight aphototropism mode set of the present invention；
Fig. 3 is sectional view when collocation light mixing distance is 18mm backboards in down straight aphototropism mode set of the present invention；
Fig. 4 is sectional view when collocation light mixing distance is 35mm backboards in down straight aphototropism mode set of the present invention.
Embodiment
The present invention provides a kind of down straight aphototropism mode set and its assemble method, for make the purpose of the present invention, technical scheme and
Effect is clearer, clear and definite, referring to the drawings and gives an actual example that the present invention is described in more detail.It should be appreciated that this place
The specific embodiment of description only to explain the present invention, is not intended to limit the present invention.
Fig. 2 is referred to, Fig. 2 is the exploded perspective view of down straight aphototropism mode set of the present invention, the down straight aphototropism mode set bag
Include：Backboard 210, the first bottom reflection piece 220, and the lamp bar 230 being sequentially arranged on the first bottom reflection piece 220,
The bottom of the backboard 210 offers the opening 211 being adapted with the plane of the first bottom reflection piece 220, and is opened described
Separating plate 240 is provided with mouth 211, the first bottom reflection piece 220 and lamp bar 230 are arranged on the separating plate 240, simultaneously
The bottom of the backboard 210 is arranged on by the separating plate 240.
The backboard of backlight module of the present invention is split as two parts, i.e. backboard 210 and separating plate 240, and lamp bar 230 is fixed
On separating plate 240, when needing to change lamp bar 230, during to avoid from top to down dismantling whole backlight module pair
Miscellaneous part in backlight module causes to damage, and will need to only lock in the case where the separating plate 240 of the bottom of backboard 210 is dismantled.
Further, the first screw 241 and the first screw are provided with the outer rim of separating plate 240（Not shown in figure）,
And the second screw 212 is correspondingly arranged at the backboard 210 opening 211, first screw sequentially passes through the first screw 241
And second screw 212 separating plate 240 is locked in the bottom of the backboard 210.
Further, it is provided with the 3rd screw on the first bottom reflection piece 220（Not shown in figure）And second spiral shell
Nail（Not shown in figure）, and it is correspondingly arranged on the 4th screw on the separating plate 240（Not shown in figure）, the lamp bar 230
Between the first bottom reflection piece 220 and separating plate 240, second screw sequentially passes through the 3rd screw and the 4th spiral shell
Hole locks the first bottom reflection piece 220 and lamp bar 230 on the separating plate 240.To be made when avoiding and changing lamp bar 230 every time
Into scrapping for the first bottom reflection piece 220, the first bottom reflection piece 220 is locked on separating plate 240 by the second screw, more
When changing lamp bar 230, corresponding second screw only need to be pulled down, the second screw locks the fixation side of the first bottom reflection piece 220
Formula is compared to the fixed form of traditional rubberizing, and the first bottom reflection piece 220 can also continue to use, without scrapping.
With reference to shown in Fig. 3 and Fig. 4, when Fig. 3 is that collocation light mixing distance is 18mm backboards in down straight aphototropism mode set of the present invention
Sectional view, Fig. 4 is sectional view when collocation light mixing distance is 35mm backboards in down straight aphototropism mode set of the present invention, the backboard
210 include：Department of assembly 210a for connecting the separating plate 240, and be obliquely installed and be used for the department of assembly 210a
Adjust the adjustment portion 210b of light mixing distance.As long as separating plate 240 can be arranged on department of assembly 210a, using which kind of light mixing distance
Adjustment portion 210b, the i.e. separating plate 240 are applied to the backboard 210 of different light mixing distances.
Such as：The present embodiment is 18mm or 35mm from the light mixing distance of backboard 210, and both differences are, is adjusted
Portion 210b is different from department of assembly 210a angle of inclination, and the department of assembly 210a for being used to connect separating plate 240 is then completely constant, this
Allow for the backboard 210 that separating plate 240 is applicable to different light mixing distances.
As shown in Fig. 2 the second bottom reflection piece 250 is provided with the inside of the adjustment portion 210b, due to the second bottom reflection
Piece 250 is without often dismantling, so the inclined-plane side of backboard 210 can be affixed to.Pass through the first bottom reflection piece 220 and second
The light that the reflection of bottom reflection piece 250 lamp bar 230 is sent, improves light efficiency utilization rate, while the second bottom reflection piece 250 can be with backboard
210 inclined-plane side height arbitrarily adjustment.
Based on the embodiment of above-mentioned down straight aphototropism mode set, the present invention also provides a kind of based on straight described in any of the above-described
The embodiment of the assemble method of type backlight module, the down straight aphototropism mode set still use positive-installed packaging technology, including with
Lower step：
Liquid crystal panel, blooming piece are arranged in backboard successively first；
Then lamp bar and the first bottom reflection piece are arranged on separating plate；
Finally separating plate is locked in the bottom of backboard by the first screw.
When needing to change lamp bar, separating plate is disassembled from the bottom of backboard, and by lamp bar from the first bottom reflection
Taken out between piece and separating plate, reached the quick effect for separating lamp bar from backboard, saved later rework maintenance
Cost.
In summary, a kind of down straight aphototropism mode set provided by the present invention and its assemble method, with advantages below：
1）, because backboard is made up of two parts, mould is smaller, can save certain die cost, while backboard can be realized
Modularization, separating plate can be shared with size module, and the type of different light mixing distances only needs to the inclined-plane side moulding of change backboard i.e.
It can arrange in pairs or groups and use；
2）, when doing over again, lamp bar easy to disassemble or the first bottom reflection piece etc., simultaneously because assembling mode is formal dress
Formula, also allow for dismounting panel, blooming piece, the component such as diffuser plate, can targetedly change backlight material, it is to avoid when doing over again
The substantial amounts of material waste formed；
3）, traditional down straight aphototropism mode set, backboard designs for integral type, it is necessary to from top to bottom during replacing lamp bar component, by
Layer is disassembled, and operational sequence is complicated, and man-hour used is more, the split type backboard provided using the present invention, can be achieved lamp bar from the back of the body
It is directly separated out on plate, reaches rapid disassembling more alternatively effect.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (5)
1. a kind of down straight aphototropism mode set, including：Backboard, the first bottom reflection piece, and it is sequentially arranged in first bottom surface
Lamp bar on reflector plate, it is characterised in that the bottom of the backboard is offered to be adapted with the first bottom reflection plate plane
Opening, and be provided with the opening separating plate, the first bottom reflection piece and lamp bar be arranged on the separating plate,
And the bottom of the backboard is arranged on by the separating plate；
The backboard includes：Department of assembly for connecting the separating plate, and be obliquely installed with the department of assembly and be used to adjust
The adjustment portion of whole light mixing distance；The second bottom reflection piece is provided with the inside of the adjustment portion；The second bottom reflection piece is pasted
In the inner side of the adjustment portion；
The second bottom reflection piece sets height to be adjusted with the height of adjustment portion on the inside of adjustment portion；
The 3rd screw and the second screw are provided with the first bottom reflection piece, and is correspondingly arranged on the separating plate
Four screws, the lamp bar is between the first bottom reflection piece and separating plate, and second screw sequentially passes through the 3rd spiral shell
Hole and the 4th screw lock the first bottom reflection piece and lamp bar on the separating plate；The separating plate is applied to different mixed lights
The backboard of distance.
2. down straight aphototropism mode set according to claim 1, it is characterised in that be provided with first in the separating plate outer rim
Screw and the first screw, and the second screw is correspondingly arranged at the back plate openings, first screw sequentially passes through first
Screw and the second screw lock separating plate in the bottom of the backboard.
3. a kind of assemble method of the down straight aphototropism mode set based on described in any one of claim 1 to 2, it is characterised in that bag
Include following steps：
Liquid crystal panel, blooming piece are arranged in backboard successively first；
Then the first bottom reflection piece and lamp bar are arranged on separating plate；
Finally separating plate is locked in the bottom of backboard by the first screw.
4. the assemble method of down straight aphototropism mode set according to claim 3, it is characterised in that when changing lamp bar, will
Separating plate is disassembled from the bottom of backboard, and lamp bar is taken out between the first bottom reflection piece and separating plate.
5. the assemble method of down straight aphototropism mode set according to claim 3, it is characterised in that the downward back optical mode
Group is using positive-installed assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040209.5A CN104566045B (en) | 2015-01-27 | 2015-01-27 | A kind of down straight aphototropism mode set and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040209.5A CN104566045B (en) | 2015-01-27 | 2015-01-27 | A kind of down straight aphototropism mode set and its assemble method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104566045A CN104566045A (en) | 2015-04-29 |
| CN104566045B true CN104566045B (en) | 2017-07-25 |
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| CN203190216U (en) * | 2013-03-29 | 2013-09-11 | 创维液晶器件(深圳)有限公司 | Liquid crystal display device and direct-type backlight module thereof |
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| CN201547615U (en) * | 2009-12-03 | 2010-08-11 | 冠捷投资有限公司 | Direct backlight module |
| US8579456B2 (en) * | 2010-07-07 | 2013-11-12 | Sharp Kabushiki Kaisha | Backlight unit |
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| CN202580914U (en) * | 2011-12-15 | 2012-12-05 | 深圳Tcl新技术有限公司 | Direct type high-power light-emitting diode (LED) backlight module |
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| CN201054057Y (en) * | 2007-03-06 | 2008-04-30 | 北京京东方茶谷电子有限公司 | Direct type high brightness backlight |
| CN102606963A (en) * | 2012-04-09 | 2012-07-25 | 创维液晶器件(深圳)有限公司 | Direct type LED liquid crystal backlight module |
| CN203190216U (en) * | 2013-03-29 | 2013-09-11 | 创维液晶器件(深圳)有限公司 | Liquid crystal display device and direct-type backlight module thereof |
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| CN104566045A (en) | 2015-04-29 |
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Effective date of registration: 20160205 Address after: 518052 Guangdong city of Shenzhen province Nanshan District Shennan Road SKYWORTH building A building 13-16 Applicant after: Shenzhen Skyworth-RGB Electronics Co., Ltd. Address before: 518108 Guangdong city of Shenzhen province Baoan District Shiyan street Tong Tau Road No. 1 SKYWORTH science and Technology Industrial Park, building two or three, floor four, R & D and building a comprehensive building Applicant before: Skyworth LCD Modules (Shenzhen) Co., Ltd. |
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