CN110060598A - A kind of back light unit of assembling-type module lamp box - Google Patents
A kind of back light unit of assembling-type module lamp box Download PDFInfo
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- CN110060598A CN110060598A CN201910254276.5A CN201910254276A CN110060598A CN 110060598 A CN110060598 A CN 110060598A CN 201910254276 A CN201910254276 A CN 201910254276A CN 110060598 A CN110060598 A CN 110060598A
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- 239000000758 substrate Substances 0.000 claims abstract description 135
- 201000009310 astigmatism Diseases 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0413—Frames or casing structures therefor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0418—Constructional details
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of back light unit of assembling-type module lamp box, which is made of array lamp hole module, lens module and mask and light source module；Array lamp hole module includes substrate, the lamp hole on substrate, the link block on substrate, the second screw pilum on the first screw pilum and substrate on rear side of enclosing and substrate on rear side of substrate；Lens module includes the lamp hole lens being arranged and the lens link block being connected between the lens on counterpart substrate, which is mounted on front side of substrate, so that the lamp hole on the lens light inlet and substrate on rear side of lens coincide；Mask is mounted on array lamp hole module front side, and mask connection tongue and groove is connect with the link block straight cutting on substrate；Light source module is mounted on the rear side of array lamp hole module, so that the light source on front side of light source module is placed in the lamp hole on substrate.Back light unit of the present invention, have shine uniformly, structure is simple, be easily installed with maintenance, be satisfied with the advantages such as outdoor application.
Description
Technical field
The present invention relates to lamp box fields, and in particular to a kind of back light unit of assembling-type module lamp box.
Background technique
It is well known that the application of lamp box and be it is extensive, it is related to building field, industrial circle, commercial field, medical leads
Domain, advertizing field etc., wherein advertizing field should have the most extensively.
Currently, advertising lamp house structure mainly has the following two kinds: one is the lamp boxes of side entrance back source structure, mainly by leading
Tabula rasa and light source composition, are mounted on light guide plate side for light source, are equipped with light guiding points made of engraving or printing in light guide plate bottom.
Due to guide-lighting distance limitation, the lamp box of side entrance back source structure is applicable in the lesser product of light-emitting area.It is usually used in small dimension
Decoration painting, Window Display, plate lighting etc..But the two sides of light guide plate or it is surrounded by light source, make the two sides or four of light guide plate
Week, there are the dark spaces caused by light source body, cannot achieve no shadow splicing.Another kind is the lamp box of direct backlight source structure, main
To be made of panel, light source and cabinet, panel be mounted on cabinet front, light source is mounted on rear side of cabinet, light-dispersing effect by
The distance between astigmatism plate and light source are set, and therefore, the lamp house thickness of direct backlight source structure is far longer than side entering type back
Light unit, since it has the advantages such as brightness is high, light source controllability is strong, direct-type backlight unit using extremely wide,
Such as advertising lamp box, signboard lamp house, guiding plate lamp box and show window lamp box.But the cabinet surrounding of direct-type backlight unit is not
The box body wall of light transmission, serious shadow can also be gone out between rear box by splicing, and therefore, also cannot achieve no shadow splicing.It is above-mentioned it is found that
Mainstream advertising lamp box is only limitted to the lamp box of small breadth at present.The large format advertisement of outdoor advertising communication sphere is still stuck in air brushing
Four kinds of advertisement, LED display advertisement and luminescent characters advertisement mainstream open air carriers are turned in advertisement, three faces.
With the development of the global economy, constantly promoting under the new situation in Global Urbanization and smart city, spirit text
Bright and material progress to significantly improve, more stringent requirements are proposed to visual aspects by people, the development of various promotional display terminals
It is more unprecedented surging.Therefore, there is an urgent need to develop the back light unit presentation device of large area light emitting, such as large area lamp box, large size
Dynamic lamp box and large area backlight show equipment etc., to meet the market demand.
Summary of the invention
In order to overcome the deficiencies of the prior art place and existing defect, the present invention provide it is a kind of meet outdoor application, shine
Uniformly, structure is simple, is easily installed back light unit with the assembling-type module lamp box of maintenance.
The present invention is the back light unit for solving a kind of assembling-type module lamp box of prior art defect, and the back light unit is by battle array
Column lamp hole module, lens module and mask and light source module composition；Array lamp hole module includes substrate, multiple on the substrate
Link block of the lamp hole on substrate, substrate surrounding being evenly arranged by array on the substrate of front projection, the general on rear side of substrate
Lamp hole on all substrates crowd around including substrate on rear side of enclosing and several within the scope of the enclosing that is located on rear side of substrate
It keeps the first screw pilum on rear side of the substrate of the screw hole of a fixed spacing backwards and is arranged along the enclosing on rear side of substrate several
A the second screw pilum kept on certain pitch substrate；Lens module includes lens and the company of the lamp hole setting on counterpart substrate
The lens link block being connected between the lens, which is mounted on front side of substrate, so that the lens light inlet on rear side of lens
It coincide with the lamp hole on substrate；Mask includes after panel and the panel surrounding enclose mask wall and the mask wall to the one of rear projection
Mask of the side with step structure connects tongue and groove, which is mounted on array lamp hole module front side, and mask connects tongue and groove and base
Link block straight cutting connection on plate；Light source module is mounted on the rear side of array lamp hole module, so that the light source on front side of light source module
It is placed in the lamp hole on substrate, and is fixed by the first screw pilum screw on rear side of substrate.From above-mentioned back light unit it is found that light source
It is placed in lens light inlet, the light that lens can issue light source carries out shaping and adjusts light intensity, meanwhile, substrate is equipped with multiple press
The lamp hole on substrate that array is evenly arranged corresponds to the lens of the lamp hole setting on the substrate, thus in panel forming face light；Separately
Outside, due to back light unit surrounding have no occluder, the light emitting module of mutually splicing composition is not in that apparent concealed wire therefore can
The assembling-type module lamp box of various specifications is spliced by the back light unit.
According to above-described back light unit, array lamp hole module further includes several holdings one being located on front side of substrate
Screw pilum on front side of set a distance, substrate that screw hole is facing forward；Screw pilum on front side of lens link block counterpart substrate is equipped with
Screw hole on lens link block, and fixed with the screw pilum screw on front side of substrate.
According to above-described lens module, lens are one kind by the gradually smaller basin type structure of forward direction or taper type knot
Structure, lens light inlet are located at basin type structure or taper type structure back side centre.
Preferably, said lens are preferably concavees lens, and lens light inlet bottom is the concavees lens of concave spherical, this is recessed
Single side concavees lens can be used in mirror；A moon shape concavees lens can also be used；Double concave lens also can be used.
Further, it is equipped with the block on rear side of a cycle basis plate close to surrounding edge portion on rear side of substrate, so that on rear side of the substrate
Block connect the extension on rear side of tongue and groove with mask and form a circle injecting glue slot, and protective rubber is perfused in the injecting glue slot, thus
Prevent rainwater or dust from entering from the junction of mask connection tongue and groove and substrate surrounding, to meet outdoor application.
Further, array lamp hole module further includes between the lamp hole being located on substrate on rear side of substrate by longitudinally, laterally handing over
Groove on several substrates being recessed forward of mistake setting, so that the component on front side of light source module in addition to light source is placed in this
In groove on substrate, thus, prevent light source module from being erected, single-sided aluminum-base plate can be used in the circuit board of light source module as a result,
To save manufacturing cost.
Further, the enclosing range after light source module is mounted within the scope of the enclosing on rear side of substrate, on rear side of substrate
Interior perfusion protective rubber, to implement to protect to light source module, to meet outdoor application.
Further, several lockers for keeping certain distance are arranged in panel connection tongue and groove surrounding, consequently facilitating face
The installation of cover, while also ensuring the firm installation between mask and array lamp hole substrate.
Further, above-mentioned locker is by being located on the inside of panel connection tongue and groove close to panel position protrusion and extending back
And it is kept on the inside of buckle and corresponding panel connection tongue and groove on the inside of the panel connection tongue and groove of a fixed spacing with panel connection tongue and groove
Buckle be located at panel connection tongue and groove on the inside of close to rear lateral portion connect with panel on the inside of tongue and groove buckle holding certain distance face
Plate connects tongue and groove upper lock tongue composition, so that the inside of the link block being buckled on substrate on the inside of panel connection tongue and groove, panel
Connection tongue and groove upper lock tongue is stuck in the rear lateral portion of substrate surrounding.
Further, the astigmatism line being equipped on rear side of panel on mask can also be on front side of panel in addition to attached drawing mark
It, can also be in the even astigmatism line equipped on mask in the forward and backward side of panel, so as to improve illumination effect equipped with the astigmatism line on mask.
A kind of back light unit of assembling-type module lamp box of the present invention, its advantages are shown in: first is that, light source is placed in
Mirror light inlet, the light that lens can issue light source carry out shaping and adjust light intensity, meanwhile, substrate is equipped with multiple equal by array
Lamp hole on the substrate of even arrangement, the lens of the lamp hole setting on counterpart substrate, thus, in panel forming face light；Second is that due to
The module lamp box of back light unit surrounding have no occluder, mutually splicing composition is not in apparent concealed wire；Third is that on rear side of substrate
Enclosing within the scope of be perfused protective rubber, thus to light source module implement protect, to be satisfied with outdoor application；Fourth is that light source module
It is mounted on the rear side of array lamp hole module, meanwhile, the through-hole on mounting surface is installed slightly larger than light source module or strip light source module
Region enables light source module to implement dismounting on rear side of cabinet, consequently facilitating installation and maintenance；It can from above-mentioned beneficial effect
Know, the back light unit of assembling-type module lamp box of the present invention, have shine uniformly, structure is simple, is easily installed and maintenance, full
It is enough to the advantages such as outdoor application.
Detailed description of the invention
Below according to attached drawing, the invention will be further described, and attached drawing for a better understanding of the invention, should not only become
Limitation of the present invention:
Fig. 1 is the front side broken section structural schematic diagram of back light unit of the present invention；
Fig. 2 is structural schematic diagram after the front side partial cutaway of back light unit of the present invention；
Fig. 3 is present invention a-a the schematic diagram of the section structure as shown in Figure 1；
Fig. 4 is present invention b-b the schematic diagram of the section structure as shown in Figure 1；
Fig. 5 is present invention c-c the schematic diagram of the section structure as shown in Figure 1；
Fig. 6 is present invention full-page proof A structural schematic diagram as shown in Figure 5.
Mark in attached drawing illustrates: 1-array lamp hole module, 11-substrates, the block on rear side of 11a-substrate, 11b-base
Groove on plate, the lamp hole on 12-substrates, the cushion block on rear side of 12a-lamp hole, the link block on 13-substrates, after 14-substrates
The second screw pilum on the first screw pilum, 16-substrates, the spiral shell on front side of 17-substrates on rear side of the enclosing of side, 15-substrates
Follow closely pilum, 10-injecting glue slots, 2-lens modules, 20-lens link blocks, 21-lens, 21a-lens light inlet, 22-thoroughly
Screw hole, 3-masks, 31-panels, 32-mask walls, 33-masks on mirror link block connect tongue and groove, 33a-Step-edge Junction
Structure, the clamping block on 34-mask tongue and grooves, the lock tongue on 35-mask tongue and grooves, the astigmatism line on 30-masks, 4-light source dies
Component except block, 41-light sources, 42-sources.
Specific embodiment
Below with reference to a kind of back light unit Detailed description of the invention of assembling-type module lamp box of the present invention, in the embodiment of the present invention
Technical solution is clearly and completely described.
Front side described in the embodiment of the present invention, rear side are using the diagram direction in Detailed description of the invention as reference frame.
The embodiment of the back light unit of assembling-type module lamp box of the present invention, as shown in Figures 1 to 6, the back light unit is by battle array
Column lamp hole module 1, lens module 2 and mask 3 and light source module 4 form；Above-mentioned array lamp hole module 1 includes substrate 11, is somebody's turn to do
Connection of the lamp hole 12,11 surrounding of substrate on multiple substrates being evenly arranged by array on the substrate of front projection on substrate 11
Block 13, positioned at the rear side of substrate 11 lamp hole 12 on all substrates is crowded around including substrate on rear side of enclosing 14 and be located at substrate
Several in 14 range of enclosing of rear side keep 15 He of the first screw pilum on rear side of the substrate of the screw hole of a fixed spacing backwards
Along on rear side of substrate enclosing 14 be arranged several keep the second screw pilum 16 on certain pitch substrate, the array lamp hole
Module 1 can be used (but being not limited to) high molecular material (such as: PC, PMMA, PS, PVC, PET, PA, ABS, epoxy resin), and
It is fabricated by Shooting Technique.Said lens module 2 includes the lens 21 and be connected to that the lamp hole 12 on counterpart substrate is arranged
Lens link block 20 between the lens, the lens module 2 can be used (but being not limited to) transparent polymer material (such as: PC,
PMMA, PS, PVC, PET, PA, epoxy resin etc.), and be fabricated by Shooting Technique；It can also be used with astigmatism particle
High molecular material is equally fabricated by Shooting Technique；Lens module 2 is mounted on 11 front side of substrate, so that after lens 21
The lens light inlet 21a of side and the lamp hole 12 on substrate coincide；Above-mentioned mask 3 includes that panel 31 and 31 surrounding of panel are convex backward
The mask of a circle mask wall 32 and 32 rear lateral portion of mask wall with step structure 32a risen connects tongue and groove 33, and the mask 3 is excellent
It is selected as the high molecular material (such as: PC, PMMA, PS, PVC, PET, epoxy resin) of (but being not limited to) with astigmatism particle, and logical
It crosses Shooting Technique to be fabricated, transparent polymer material can also be used, be equally fabricated by Shooting Technique；By the mask 3
It is mounted on 1 front side of array lamp hole module, mask connection tongue and groove 33 is connect with 13 straight cutting of link block on substrate；So that step structure
Link block 13 on 32a and substrate coincide, and mask is made to connect 33 sets of tongue and groove 13 outsides of link block on substrate, mask connection
It can be fixed by being tightly fixed or bonding Ji between link block 13 on tongue and groove 33 and substrate.Above-mentioned 4 front side of light source module is right
12 rear side 12 of lens is answered to be equipped with light source 41, the first screw pilum 15 on rear side of counterpart substrate is equipped with light source module screw hole, light source
Module 4 is mounted on the rear side of array lamp hole module 1, so that light source 31 is placed in lens light inlet 21a, and by rear side of substrate
One screw pilum, 15 screw is fixed；From the embodiment of the back light unit of above-mentioned assembling-type module lamp box it is found that light source 41 is placed in
Mirror light inlet 21a, the light that lens 21 can issue light source 41 carry out shaping and adjust light intensity, meanwhile, substrate 11 is equipped with multiple
Lamp hole 12 on the substrate being evenly arranged by array corresponds to the lens 21 that the lamp hole 12 on the substrate is arranged, thus in panel-shaped
At face light；In addition, the module lamp box of mutually splicing composition is not in apparent dark due to back light unit surrounding have no occluder
Line, with shining, uniform, structure is simple, is easily installed and the advantages such as maintenance.
Said lens module 2 is mounted on 11 front side of substrate, can be fixed by adhesive；As Figure 1 and Figure 4, lens module
It also adopts and is screwed and preferred fixing means of the invention between 2 and substrate 11, therefore, array lamp hole module 1 further includes
Screw pilum 17 on front side of substrate being located at several holding certain distances of 11 front side of substrate, that screw hole is facing forward；Lens connection
The screw hole 22 of screw pilum 17 on front side of 20 counterpart substrate of block being equipped on lens link block, and with the screw base on front side of substrate
17 screw of column is fixed.In addition to above-mentioned adhesive is fixed or screw is fixed, lens module 2 and substrate 11 can also pass through clamping close device
Fixed (indicating not in the drawings).
According to above-described lens module 2, as shown in figure 3, lens 21 are one kind by the gradually smaller basin type knot of forward direction
Structure or taper type structure, lens light inlet 21a are located at basin type structure or taper type structure back side centre.Due to most of lamps
Based on case effect is shone with face, therefore, lens module 2 of the present invention, lens 21 are preferably concavees lens, and lens enter light
The mouth bottom 21a is the concavees lens of concave spherical, which can be used single side concavees lens；A moon shape concavees lens can also be used；May be used also
Using double concave lens.
Below with reference to assembling-type module lamp box of the present invention back light unit Detailed description of the invention to the further of above-described embodiment
Corrective measure clearly and completely describes.
As shown in Figures 2 to 6,11 rear side of substrate is equipped with the block 11a on rear side of a cycle basis plate close to surrounding edge portion, so that
The extension that block 11a on rear side of the substrate connect 33 rear side of tongue and groove with mask forms a circle injecting glue slot 10, and in the injecting glue slot
Protective rubber is perfused in 10, thus prevent rainwater or dust from entering from the junction of mask connection tongue and groove 33 and 11 surrounding of substrate, with
Meet outdoor application.
As shown in Fig. 2, Fig. 4, Fig. 5, array lamp hole module 1 further includes being located between the lamp hole 13 on substrate on rear side of substrate 11
By the groove 11b on several substrates being recessed forward being longitudinally, laterally staggered, so that removing light source on front side of light source module 4
Except component 42 be placed in the groove 11b on the substrate, thus, prevent light source module 4 from being erected, as a result, light source module 4
Circuit board single-sided aluminum-base plate can be used, to save manufacturing cost.
As shown in Figures 2 to 5, after light source module 4 is mounted on 14 range of enclosing on rear side of substrate Nei, on rear side of substrate
Protective rubber is perfused in 14 range of enclosing, to implement to protect to light source module 4, to meet outdoor application.
As shown in figure 2, figure 5 and figure 6, it is the installation convenient for mask 3, while also ensures mask 3 and array lamp hole substrate 1
Between firm installation, panel connection 31 surrounding of tongue and groove be arranged several keep certain distances locker, the lock dress
It sets and keeps one by being located at 31 inside of panel connection tongue and groove close to 3 position of panel protrusion and extending back and connect tongue and groove 31 with panel
Buckle 32 on the inside of the panel connection tongue and groove of fixed spacing connects the buckle 32 on the inside of tongue and groove with the corresponding panel and is located at panel connection
31 inside of tongue and groove connect the panel connection tongue and groove locking that the buckle 32 on the inside of tongue and groove keeps certain distance close to rear lateral portion with panel
Tongue 33 forms, and mask connects 33 sets of tongue and groove 13 outsides of link block on substrate, so that the buckle 32 on the inside of panel connection tongue and groove
It is buckled in the inside of the link block 13 on substrate, panel connection tongue and groove upper lock tongue 33 is stuck in the rear lateral portion of 11 surrounding of substrate.To improve
Illumination effect, the astigmatism line 30 being equipped on mask on rear side of panel can also be equipped with face in addition to attached drawing mark on front side of panel
Astigmatism line on cover, can also be in the even astigmatism line equipped on mask in the forward and backward side of panel.
Above by the back light unit embodiment of assembling-type module lamp box, the present invention is described, provided implementation
Mode is only as an example, be not intended to limit practical range of the invention.Those skilled in the art both know about, root
Upper specific implementation description can do various changes and modifications to the present invention accordingly, it is, therefore, to be understood that removing above-mentioned particular implementation side
Outside formula, the present invention can otherwise be implemented, and be not limited to described in description above.
Claims (10)
1. a kind of back light unit of assembling-type module lamp box, it is characterised in that: the back light unit by array lamp hole module (1), thoroughly
Mirror module (2) and mask (3) and light source module (4) composition；Array lamp hole module (1) includes substrate (11), the substrate
(11) lamp hole (12) on multiple substrates being evenly arranged by array, the substrate (11) surrounding on are on the substrate of front projection
Link block (13), be located at substrate (11) on rear side of the lamp hole (12) on all substrates is crowded around including substrate on rear side of enclosing
(14) several and in enclosing (14) range for being located on rear side of substrate are kept on rear side of the substrate of the screw hole of a fixed spacings backwards
The first screw pilum (15) and keep the on certain pitch substrate along several of enclosing (14) setting on rear side of substrate
Two screw pilums (16)；The lens module (2) includes the lens (21) of lamp hole (12) setting on the corresponding substrate and connects
The lens link block (20) being connected between the lens, which is mounted on front side of the substrate (11), so that lens
(21) lamp hole (12) on lens light inlet (21a) and the substrate on rear side of coincide；The mask (3) include panel (31) and
Panel (31) surrounding encloses mask wall (32) to the one of rear projection and mask wall (32) rear lateral portion has step structure (32a)
Mask connect tongue and groove (33), which is mounted on front side of array lamp hole module (1), and mask connects tongue and groove (33) and substrate
On link block (13) straight cutting connection；The light source module (4) is mounted on the rear side of array lamp hole module (1), so that light source die
Light source (41) on front side of block (4) is placed in the lamp hole on substrate (12), and by first screw pilum (15) screw on rear side of substrate
It is fixed.
2. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
Array lamp hole module (1) further includes several holding certain distances, screw hole being located on front side of the substrate (11)
Screw pilum (17) on front side of substrate facing forward；Screw pilum (17) on front side of the corresponding substrate of the lens link block (20)
The screw hole (22) being equipped on lens link block, and fixed with screw pilum (17) screw on front side of substrate.
3. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
The lens (21) are one kind by the gradually smaller basin type structure of forward direction or taper type structure, the lens light inlet
(21a) is located at basin type structure or taper type structure back side centre.
4. according to claim 1 to the back light unit of assembling-type module lamp box described in 3 any one, it is characterised in that:
The lens (21) are preferably concavees lens, and the lens light inlet bottom (21a) is the concavees lens of concave spherical, the concavees lens
Single side concavees lens can be used；A moon shape concavees lens can also be used；Double concave lens also can be used.
5. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
It is equipped with the block (11a) on rear side of a cycle basis plate close to surrounding edge portion on rear side of the substrate (11), so that on rear side of the substrate
Block (11a) connect the extension on rear side of tongue and groove (33) with the mask and form circle injecting glue slot (10), and in the injecting glue slot
(10) protective rubber is perfused in.
6. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
Array lamp hole module (1) further includes being located between the lamp hole (13) on the substrate on rear side of the substrate (11) by vertical
Groove (11b) on several substrates being recessed forward of, laterally staggered setting, so that removing light source on front side of light source module (4)
Except component (42) be placed in the groove on the substrate (11b).
7. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
After the light source module (4) is mounted in the enclosing on rear side of the substrate (14) range, enclosing on rear side of the substrate
It keeps off and protective rubber is perfused in (14) range.
8. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
Several lockers for keeping certain distance are arranged in described panel connection tongue and groove (31) surrounding.
9. the back light unit of assembling-type module lamp box according to claim 8, it is characterised in that:
The locker is by being located on the inside of panel connection tongue and groove (31) close to panel (3) position protrusion and extending back and and face
Plate connection tongue and groove (31) keeps the buckle (32) on the inside of the panel connection tongue and groove of a fixed spacing to connect in tongue and groove with the corresponding panel
The buckle (32) of side is located at close rear lateral portion on the inside of panel connection tongue and groove (31) and connect the buckle on the inside of tongue and groove with the panel
(32) panel connection tongue and groove upper lock tongue (33) composition of certain distance is kept, so that the buckle on the inside of panel connection tongue and groove
(32) it is buckled in the inside of the link block (13) on substrate, panel connection tongue and groove upper lock tongue (33) is stuck in the substrate (11) four
The rear lateral portion in week.
10. the back light unit of assembling-type module lamp box according to claim 1, it is characterised in that:
On rear side of the panel (31) or front side or front and back side are equipped with the astigmatism line 30 on mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254276.5A CN110060598A (en) | 2019-03-31 | 2019-03-31 | A kind of back light unit of assembling-type module lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254276.5A CN110060598A (en) | 2019-03-31 | 2019-03-31 | A kind of back light unit of assembling-type module lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110060598A true CN110060598A (en) | 2019-07-26 |
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ID=67317849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910254276.5A Pending CN110060598A (en) | 2019-03-31 | 2019-03-31 | A kind of back light unit of assembling-type module lamp box |
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| Country | Link |
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| CN (1) | CN110060598A (en) |
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| CN104848062A (en) * | 2015-04-30 | 2015-08-19 | 浙江晶日照明科技有限公司 | Light source module convenient to dismount and light source module structure |
| CN105047098A (en) * | 2015-06-03 | 2015-11-11 | 华侨大学 | Direct-lit LED double-side advertising lamp box |
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