CN104566045A - Direct-lit backlight module and assembling method thereof - Google Patents
Direct-lit backlight module and assembling method thereof Download PDFInfo
- Publication number
- CN104566045A CN104566045A CN201510040209.5A CN201510040209A CN104566045A CN 104566045 A CN104566045 A CN 104566045A CN 201510040209 A CN201510040209 A CN 201510040209A CN 104566045 A CN104566045 A CN 104566045A
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- Prior art keywords
- screw
- separating plate
- backboard
- reflection sheet
- mode set
- 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.)
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Classifications
-
- 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
Landscapes
- 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 direct-lit backlight module and an assembling method thereof. The direct-lit backlight module comprises a back plate, a first bottom surface reflecting plate and lamp strips, wherein lamp strips are sequentially arrayed on the first bottom surface reflecting plate; an opening which is matched with a plane of the first bottom surface reflecting plate is formed in the bottom of the back plate; a separating plate is arranged at the position of the opening; the first bottom surface reflecting plate and the lamp strips are arranged on the separating plate and are arranged on the bottom of the back plate through the separating plate; and the back plate is divided into two portions which are connected with each other through an external locking screw. When the lamp strips require to be changed, the lamp strips are detached from the bottom of the back plate, and the circumstance that other subassemblies of the backlight module are damaged when the lamp strips are sequentially detached from top to bottom is avoided.
Description
Technical field
The present invention relates to LED-backlit Display Technique field, in particular a kind of down straight aphototropism mode set and assemble method thereof.
Background technology
Down straight aphototropism mode set upwards penetrates in front after referring to that light source is penetrated by spontaneous light source (such as fluorescent tube, LED etc.) after diffuser plate is dispersed.The backlight LED accommodation space of straight-down negative become greatly but too increase the thickness of module simultaneously, weight, power consumption, its advantage be high briliancy, good bright dipping visual angle, light utilization ratio are high, simple structure etc., be thus applicable to portability and the more not fastidious LCD display of space requirement and LCD TV.
As shown in Figure 1, Fig. 1 is the exploded perspective view of traditional down straight aphototropism mode set, and this backlight module specifically comprises: front frame 110, liquid crystal panel 120, center 130, blooming piece 140, lamp bar 150, bottom reflection sheet 160 and backboard 170.Tradition down straight aphototropism mode set backboard is integrated design, lamp bar 150 together with bottom reflection sheet 160 by screw locking at backboard bottommost, its packaging technology is divided into two kinds of positive-installeds and flip-over type.
The assembling sequence of positive-installed successively, assembling lamp bar 150, bottom reflection sheet 160 and blooming piece 140 successively on backboard 170, then after the upper center 130 of card, then place liquid crystal panel 120, lock front frame 110 finally by screw.Advantage is that production yield is high, and liquid crystal panel 120 and blooming piece 140 are changed comparatively easy, and shortcoming, when changing lamp bar 150, needs the lamp bar 150 always tearing backboard 170 bottommost from liquid crystal panel 120 open, operate very loaded down with trivial details.
The assembling sequence of flip-over type is completely contrary with formal dress places liquid crystal panel 120 and blooming piece 140 successively successively on center 130, then places the backboard 170 assembling bottom reflection sheet 160 and lamp bar 150, locks front frame 110 finally by screw.What first dismantle when advantage is dismounting is back board part, easily changes the materials such as lamp bar 150, bottom reflection sheet 160.Shortcoming produces yield comparatively lower than formal dress, operates very loaded down with trivial details when changing panel simultaneously.
About have in the normal production of backlight that 2-3%'s is bad, wherein a maximum part is bad is derive from lamp bar 150 and bottom reflection sheet 160.In the quality problems in enormous quantities simultaneously occurred in direct-type backlight, lamp bar 150 problem occupies the overwhelming majority, so often need to carry out doing over again maintenance activity.
Current most of producer adopts formal dress mode, but existing formal dress mode changes lamp bar 150, needs frame 110 in the past to dismantle backboard 170 bottommost successively, so be easy to the damage causing liquid crystal panel 120 and blooming piece 140.Simultaneously because bottom reflection sheet 160 needs the reason of rubberizing in producing, when substantially doing over again, bottom reflection sheet 160 all can be scrapped, cause the cost height very of doing over again like this, when particularly occurring doing over again in enormous quantities, the damage cost costliness very of bottom reflection sheet 160, this structure is also unfavorable for that research staff changes lamp bar 150 early stage and adjusts colourity simultaneously.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the invention provides a kind of down straight aphototropism mode set and assemble method thereof, backboard is split as two parts, and lock screw by outside and connect, when lamp bar changed by needs, only need from the bottom lamp removal bar of backboard, avoid from top to bottom other assemblies damaging backlight module in unloading process successively.
Technical scheme of the present invention is as follows:
A kind of down straight aphototropism mode set, comprise: backboard, the first bottom reflection sheet, and the lamp bar be sequentially arranged on described first bottom reflection sheet, the bottom of described backboard offers the opening suitable with described lamp first bottom reflection plate plane, and described opening part is provided with separating plate, described first bottom reflection sheet and lamp bar to be arranged on described separating plate and to be arranged on the bottom of described backboard by this separating plate.
Described down straight aphototropism mode set, wherein, described separating plate outer rim is provided with the first screw and the first screw, and described back plate openings place correspondence is provided with the second screw, separating plate locks in the bottom of described backboard through the first screw and the second screw by described first screw successively.
Described down straight aphototropism mode set, wherein, described first bottom reflection sheet is provided with the 3rd screw and the second screw, and correspondence is provided with the 4th screw on described separating plate, described lamp bar is between described first bottom reflection sheet and separating plate, and the first bottom reflection sheet and lamp article lock on described separating plate through the 3rd screw and the 4th screw by described second screw successively.
Described down straight aphototropism mode set, wherein, described backboard comprises: for connecting the department of assembly of described separating plate, and is obliquely installed with described department of assembly and adjustment part for adjusting light mixing distance.
Described down straight aphototropism mode set, wherein, is provided with the second bottom reflection sheet inside described adjustment part.
Based on an assemble method for the down straight aphototropism mode set described in above-mentioned any one, comprise the following steps:
First successively liquid crystal panel, blooming piece are arranged in backboard;
Then the first bottom reflection sheet and lamp bar are arranged on separating plate;
Finally separating plate is attached to the bottom of backboard by the first screw lock.
The assemble method of described down straight aphototropism mode set, wherein, when changing lamp bar, disassembling the bottom of separating plate from backboard, and being taken out between the first bottom reflection sheet and separating plate by lamp bar.
The assemble method of described down straight aphototropism mode set, wherein, described down straight aphototropism mode set adopts positive-installed assembling.
Beneficial effect of the present invention:
Compared with prior art, a kind of down straight aphototropism mode set provided by the present invention and assemble method thereof, have the following advantages:
1), because backboard is made up of two parts, mould is less, can save certain die cost, and simultaneously backboard can realize modularization, can share separating plate with size module, and the type of different blended electrical distance only needs side, the inclined-plane moulding changing backboard can to arrange in pairs or groups use;
2) when, occurring doing over again, be convenient to lamp removal bar or the first bottom reflection sheet etc., simultaneously because assembling mode is positive-installed, be also convenient to the assemblies such as dismounting panel, blooming piece, diffuser plate, backlight material can be changed targetedly, avoid a large amount of material waste formed when doing over again;
3), traditional down straight aphototropism mode set, backboard designs for integral type, when changing lamp bar assembly, need from top to bottom, successively to disassemble, operational sequence is complicated, man-hour used is more, adopt split type backboard provided by the invention, lamp bar can be realized directly to separate from backboard, reach the effect of rapid disassembling replacing.
Accompanying drawing explanation
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 the sectional view of light mixing distance when being 18mm backboard of arranging in pairs or groups in down straight aphototropism mode set of the present invention;
Fig. 4 is the sectional view of light mixing distance when being 35mm backboard of arranging in pairs or groups in down straight aphototropism mode set of the present invention.
Detailed description of the invention
The invention provides a kind of down straight aphototropism mode set and assemble method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 2, Fig. 2 is the exploded perspective view of down straight aphototropism mode set of the present invention, described down straight aphototropism mode set comprises: backboard 210, first bottom reflection sheet 220, and the lamp bar 230 be sequentially arranged on described first bottom reflection sheet 220, the bottom of described backboard 210 offers the opening 211 suitable with described first bottom reflection sheet 220 plane, and described opening 211 place is provided with separating plate 240, described first bottom reflection sheet 220 and lamp bar 230 to be arranged on described separating plate 240 and to be arranged on the bottom of described backboard 210 by this 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 installed on separating plate 240, when lamp bar 230 changed by needs, when whole backlight module being dismantled for avoiding from top to down, damage is caused to the miscellaneous part in backlight module, under only the separating plate 240 locked bottom backboard 210 need being dismantled.
Further, described separating plate 240 outer rim is provided with the first screw 241 and the first screw (not shown), and described backboard 210 opening 211 place correspondence is provided with the second screw 212, separating plate 240 locks in the bottom of described backboard 210 through the first screw 241 and the second screw 212 by described first screw successively.
Further, described first bottom reflection sheet 220 is provided with the 3rd screw (not shown) and the second screw (not shown), and correspondence is provided with the 4th screw (not shown) on described separating plate 240, described lamp bar 230 is between described first bottom reflection sheet 220 and separating plate 240, and the first bottom reflection sheet 220 and lamp articles 230 locks on described separating plate 240 through the 3rd screw and the 4th screw by described second screw successively.For avoiding causing scrapping of the first bottom reflection sheet 220 when changing lamp bar 230 at every turn, first bottom reflection sheet 220 is attached on separating plate 240 by the second screw lock, when changing lamp bar 230, only need pull down corresponding second screw, second screw locks the fixed form of fixed form compared to traditional rubberizing of the first bottom reflection sheet 220, first bottom reflection sheet 220 can also continue to use, and can not scrap.
Shown in composition graphs 3 and Fig. 4, Fig. 3 is the sectional view of light mixing distance when being 18mm backboard of arranging in pairs or groups in down straight aphototropism mode set of the present invention, Fig. 4 is the sectional view of light mixing distance when being 35mm backboard of arranging in pairs or groups in down straight aphototropism mode set of the present invention, described backboard 210 comprises: for connecting the department of assembly 210a of described separating plate 240, and is obliquely installed with described department of assembly 210a and adjustment part 210b for adjusting light mixing distance.As long as separating plate 240 can be arranged on department of assembly 210a, adopt the adjustment part 210b of which kind of light mixing distance, namely this separating plate 240 is applicable to the backboard 210 of different blended electrical distance.
As: the present embodiment selects the light mixing distance of backboard 210 to be 18mm or 35mm, both differences are, adjustment part 210b is different from the angle of inclination of department of assembly 210a, department of assembly 210a for connecting separating plate 240 is then completely constant, and this just makes separating plate 240 be applicable to the backboard 210 of different blended electrical distance.
As shown in Figure 2, inside described adjustment part 210b, be provided with the second bottom reflection sheet 250, because the second bottom reflection sheet 250 is without the need to frequent dismounting, so the side, inclined-plane of backboard 210 can be pasted onto.By the light that the first bottom reflection sheet 220 and the second bottom reflection sheet 250 reflectoscope bar 230 send, improve light efficiency utilization rate, the second bottom reflection sheet 250 arbitrarily can adjust with side, the inclined-plane height of backboard 210 simultaneously.
Based on the embodiment of above-mentioned down straight aphototropism mode set, the present invention also provides a kind of embodiment of the assemble method based on the down straight aphototropism mode set described in above-mentioned any one, and this down straight aphototropism mode set still adopts positive-installed packaging technology, comprises the following steps:
First successively liquid crystal panel, blooming piece are arranged in backboard;
Then lamp bar and the first bottom reflection sheet are arranged on separating plate;
Finally separating plate is attached to the bottom of backboard by the first screw lock.
When lamp bar changed by needs, the bottom of separating plate from backboard is disassembled, and lamp bar is taken out between the first bottom reflection sheet and separating plate, reach the effect separated from backboard by lamp bar fast, saved later rework maintenance cost.
In sum, a kind of down straight aphototropism mode set provided by the present invention and assemble method thereof, have the following advantages:
1), because backboard is made up of two parts, mould is less, can save certain die cost, and simultaneously backboard can realize modularization, can share separating plate with size module, and the type of different blended electrical distance only needs side, the inclined-plane moulding changing backboard can to arrange in pairs or groups use;
2) when, occurring doing over again, be convenient to lamp removal bar or the first bottom reflection sheet etc., simultaneously because assembling mode is positive-installed, be also convenient to the assemblies such as dismounting panel, blooming piece, diffuser plate, backlight material can be changed targetedly, avoid a large amount of material waste formed when doing over again;
3), traditional down straight aphototropism mode set, backboard designs for integral type, when changing lamp bar assembly, need from top to bottom, successively to disassemble, operational sequence is complicated, man-hour used is more, adopt split type backboard provided by the invention, lamp bar can be realized directly to separate from backboard, reach the effect of rapid disassembling replacing.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. a down straight aphototropism mode set, comprise: backboard, the first bottom reflection sheet, and the lamp bar be sequentially arranged on described first bottom reflection sheet, it is characterized in that, the bottom of described backboard offers the opening suitable with described first bottom reflection plate plane, and described opening part is provided with separating plate, described first bottom reflection sheet and lamp bar to be arranged on described separating plate and to be arranged on the bottom of described backboard by this separating plate.
2. down straight aphototropism mode set according to claim 1, it is characterized in that, described separating plate outer rim is provided with the first screw and the first screw, and described back plate openings place correspondence is provided with the second screw, separating plate locks in the bottom of described backboard through the first screw and the second screw by described first screw successively.
3. down straight aphototropism mode set according to claim 1, it is characterized in that, described first bottom reflection sheet is provided with the 3rd screw and the second screw, and correspondence is provided with the 4th screw on described separating plate, described lamp bar is between described first bottom reflection sheet and separating plate, and the first bottom reflection sheet and lamp article lock on described separating plate through the 3rd screw and the 4th screw by described second screw successively.
4. down straight aphototropism mode set according to claim 1, is characterized in that, described backboard comprises: for connecting the department of assembly of described separating plate, and is obliquely installed with described department of assembly and adjustment part for adjusting light mixing distance.
5. down straight aphototropism mode set according to claim 4, is characterized in that, is provided with the second bottom reflection sheet inside described adjustment part.
6., based on an assemble method for the down straight aphototropism mode set described in any one of claim 1 to 5, it is characterized in that, comprise the following steps:
First successively liquid crystal panel, blooming piece are arranged in backboard;
Then the first bottom reflection sheet and lamp bar are arranged on separating plate;
Finally separating plate is attached to the bottom of backboard by the first screw lock.
7. the assemble method of down straight aphototropism mode set according to claim 6, is characterized in that, when changing lamp bar, being disassembled the bottom of separating plate from backboard, and being taken out between the first bottom reflection sheet and separating plate by lamp bar.
8. the assemble method of down straight aphototropism mode set according to claim 6, is characterized in that, described down straight aphototropism mode set adopts 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 |
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| Publication Number | Publication Date |
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| CN104566045A true CN104566045A (en) | 2015-04-29 |
| CN104566045B CN104566045B (en) | 2017-07-25 |
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| Publication number | Publication date |
|---|---|
| CN104566045B (en) | 2017-07-25 |
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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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