CN108317437A - Backlight, backlight module and display device - Google Patents
Backlight, backlight module and display device Download PDFInfo
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- CN108317437A CN108317437A CN201810146908.1A CN201810146908A CN108317437A CN 108317437 A CN108317437 A CN 108317437A CN 201810146908 A CN201810146908 A CN 201810146908A CN 108317437 A CN108317437 A CN 108317437A
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- electrode
- backlight
- led particle
- led
- limiting slot
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Classifications
-
- 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
- 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
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides backlight, backlight module and display devices.Wherein, backlight includes：Multiple LED particles are each provided with first electrode and second electrode in the LED particle；Spaced third electrode and the 4th electrode；Wherein, the first electrode in the multiple LED particle is electrically connected with the third electrode, and the second electrode in the multiple LED particle is electrically connected with the 4th electrode, so that multiple LED particles are in parallel.Inventor has found, back light source structure with above structure is simple, yield is higher, optical effect is preferable, and brightness is more uniform, and LED particle may be implemented to be connected in parallel, whole LED particles can be driven with lower voltage, other LED particles normal work is not interfered with when single LED particle damages, and is conducive to improve bad repair rate, and performance is preferable.
Description
Technical field
The present invention relates to display technology fields, and in particular, to backlight, backlight module and display device.
Background technology
Currently, the design of backlight is that LED particle is pasted flexible PCB using surface mount technology (SMT)
(FPC) on, then utilize adhesive tape backlight is Nian Jie with light guide plate, be then assembled in glue frame, assemble again later each tunic material,
The drawbacks of shading rubber belt, this design, is：1, LED SMT errors are larger, and the LED SMT for influencing backlight optical property are linear
Degree, gradient it is difficult to ensure that, caused by lose it is higher；2, backlight and light guide plate are assembled into glue frame by way of adhesive tape bonding
On, this process is mostly to be accomplished manually, and assembly error is larger, thus caused hot spot (Hotspot), brightness disproportionation, assembling
Deviation etc. is bad higher；3, LED SMT processes can cause the rosin joint of higher proportion, dislocation etc. bad；4, the attaching of glue, pressing work
Sequence can cause LED particle to split, poor contact etc., and in addition in existing backlight, LED particle is all made of in parallel after first series connection
Connection type, if having LED particle damage just can not repair, cause entire backlight to be scrapped, cause unnecessary waste.
Thus, current backlight still has much room for improvement.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose be to propose it is a kind of it is simple in structure, yield is higher, LED particle may be implemented is connected in parallel or heat dissipation effect is preferable
Backlight.
In one aspect of the invention, the present invention provides a kind of backlights.According to an embodiment of the invention, the backlight
Including：Multiple LED particles are each provided with first electrode and second electrode in the LED particle；Spaced third electrode
With the 4th electrode；Wherein, the first electrode in the multiple LED particle is electrically connected with the third electrode, described more
The second electrode in a LED particle is electrically connected with the 4th electrode, so that multiple LED particles are in parallel.Hair
A person of good sense has found that the back light source structure with above structure is simple, and yield is higher, and optical effect is preferable, and brightness is more uniform, LED
Grain may be implemented to be connected in parallel, and whole LED particles can be driven with lower voltage, are not interfered with when single LED particle damages
Other LED particles work normally, and are conducive to improve bad repair rate, reduce cost, performance is preferable, product competition
It is higher.
According to an embodiment of the invention, the third electrode and the 4th electrode are separately positioned on the multiple LED
The opposite both sides of grain, are provided with the multiple first warpages portion extended respectively to the LED particle on the third electrode, and described the
Be provided with the multiple second warpages portion extended respectively to the LED particle on four electrodes, multiple first warped portions not with
The first electrodes of multiple LED particles is electrically connected, multiple second warped portions not with multiple LED particles second
Electrode is electrically connected.It has the advantages of simple structure and easy realization as a result, convenient for preparing, yield is higher, and electrical connection effect is preferable, and can be effective
Realize being connected in parallel for LED particle.
According to an embodiment of the invention, multiple LED particle linear distributions, first warpage portion and described second are stuck up
Pars convoluta stagger setting on the distribution arrangement of multiple LED particles.It is simple in structure as a result, it can effectively realize the first warpage
Being electrically connected for portion and first electrode and being electrically connected for the second warpage portion and second electrode, and the first warpage portion of stagger setting
And second warpage portion it is possible to prevente effectively from short circuit.
According to an embodiment of the invention, minimum range of first warpage portion apart from the 4th electrode is more than 0 and small
In the half equal to distance between the third electrode and the 4th electrode, second warpage portion is apart from the third electrode
Minimum range be more than 0 and less than or equal between the third electrode and the 4th electrode distance half.Thus, it is possible to have
Effect realizes being electrically connected for the first warpage portion and first electrode and being electrically connected for the second warpage portion and second electrode, and can keep away
Exempt from short circuit between short circuit or the second warpage portion and third electrode between the first warpage portion and the 4th electrode.
According to an embodiment of the invention, first warpage portion and second warpage portion, which are each configured to have, makes itself
Towards the elastic force of the LED particle warpage.Thus, it is possible to so that first electrode and the first warpage portion or second electrode and second
Warpage comes into full contact between portion, and electrical connection effect is preferable.
According to an embodiment of the invention, formed the third electrode and the 4th electrode material it is separate for metal or
Person's alloy.The heat-conducting effect of third electrode either the 4th electrode is preferable as a result, to generate IC or LED particle work
It thermal homogenization and more quickly conducts, effectively avoids the damage of product, prolong the service life.
In another aspect of this invention, the present invention provides a kind of backlight modules.According to an embodiment of the invention, the backlight
Module includes foregoing backlight.Inventor has found that the back light module unit structure is simple, it is easy to accomplish, yield is higher, uses
Performance is preferable, and all feature and advantage with foregoing backlight, no longer excessively repeats herein.
According to an embodiment of the invention, which further includes glue frame, is provided on an internal face of the glue frame
Multiple backlight mounting blocks for installing the third electrode and the 4th electrode, multiple backlight mounting blocks along
The length direction interval of one internal face is arranged, and each LED particle setting is installed in the two neighboring backlight
Between block.Thus, it is possible to the yield of backlight module is improved, and the optical effect of backlight is preferable, brightness is more uniform, and LED
Independent plug may be implemented in particle, easy to assembly, convenient for the reparation after LED particle damage, improves bad repair rate, can be effective
Avoid LED particle fracture etc. bad.
According to an embodiment of the invention, each backlight mounting blocks include：First limiting slot and the second limiting slot, institute
It states the first limiting slot and second limiting slot to extend along the length direction of one internal face, the third electrode cooperation
In first limiting slot, the 4th electrode is matched with second limiting slot；Lug boss, the boss is in described
Between one limiting slot and second limiting slot and separate the third electrode and the 4th electrode.It is simple in structure as a result, easy
In realization, third electrode and the 4th electrode can be fixed on backlight mounting blocks, and pass through lug boss between two electrodes
It is spaced apart, effectively avoids the short circuit between third electrode and the 4th electrode.
According to an embodiment of the invention, the third electrode has multiple first wave peak potions, multiple first wave valley and more
A first connecting portion, the first wave peak potion and the first wave valley are arranged alternately and the adjacent first wave peak potion and institute
It states and is connected by the first connecting portion between first wave valley, the first wave peak potion is matched in first limiting slot,
The first wave valley is extended between the two neighboring backlight mounting blocks and is electrically connected with the first electrode of the LED particle
It connects；4th electrode has multiple secondary peak portions, multiple second troughs portion and multiple second connecting portions, the secondary peak
Portion and second trough portion are arranged alternately and between the adjacent secondary peak portion and second trough portion by described
Second connecting portion is connected, and the secondary peak portion is matched in second limiting slot, and second trough portion extends to adjacent two
It is electrically connected between a backlight mounting blocks and with the second electrode of the LED particle.It has the advantages of simple structure and easy realization as a result,
Effectively third electrode and the 4th electrode can be fixed on backlight mounting blocks, and third electrode and the 4th may be implemented
Being electrically connected between electrode and LED particle, yield is higher.
According to an embodiment of the invention, the corresponding first connecting portion and the second connecting portion are pacified in the backlight
The surface for filling the direction LED particle of block limits slot, and the LED particle is equipped with and is matched with the convex stupefied of the slot.By
This, the independent plug that LED particle may be implemented improves bad repair rate, and LED convenient for the reparation after LED particle damage
Grain can play the role of obstructing third electrode and the 4th electrode, effectively avoid short circuit caused by being electrically connected therebetween, yield
It is higher.
According to an embodiment of the invention, which further includes light guide plate, and the light guide plate is arranged in the glue frame,
At least one backlight mounting blocks are equipped with light guide plate limiting slot, the light guide plate backwards to the surface of one internal face
Equipped at least one lug for being matched with the light guide plate limiting slot.It has the advantages of simple structure and easy realization as a result, yield is higher, assembly
Precision is higher, can be very good release light guide plate along the flexible degree of freedom of said one internal face length direction, can effectively keep away
It is bad by warpage, fold or Newton's ring etc. to exempt from Classical adhesive tape fixation.
According to an embodiment of the invention, the lug is one and is installed close to the backlight positioned at the light guide plate
The midpoint at the edge of block.As a result, release light guide plate flexible degree of freedom it is better, more efficiently avoid light guide plate by
Warpage, fold or Newton's ring etc. are bad caused by thermal expansion limits, and performance is more preferably.
In another aspect of this invention, the present invention provides a kind of display devices.According to an embodiment of the invention, the display
Device includes foregoing backlight module.Inventor has found that the display device structure is simple, it is easy to accomplish, yield is higher, shows
Show that brightness is more uniform, display effect is preferable, and all features and a little with foregoing backlight module, herein not after
It repeats more.
According to an embodiment of the invention, the invention has the advantages that at least one of：
1, replace tradition FPC with the preferable electrode of heat conductivility in the present invention, effectively avoid LED SMT errors and thus draw
Hair it is various bad, the electrode have preferable soaking, heat conductivility, can be very good by IC and LED particle work generate
Thermal homogenization simultaneously conducts faster, and it is bad to avoid membrane material fold, scald thus caused etc.；
2, it uses the fixed mode of slot instead of the mode of traditional backlight source adhesive tape bonding in the present invention, effectively prevents
Backlight glue band attaches, pressing causes LED particle fracture, Pad off etc. bad；
3, it uses the fixed mode of slot instead of the mode of traditional backlight source adhesive tape bonding in the present invention, can effectively avoid
Assembling deviation, the brightness disproportionation first-class that backlight is adhered to the assembly error generated in glue frame and thus causes are bad；
4, LED particle is driven by the way of in parallel in the present invention, in parallel after replacing existing backlight LED particle first to connect
Mode, can drive whole LED particles, single LED particle damage that can't influence other LED particles with low voltage in this way
Normal work；
5, replace traditional SMT processes, single LED particle that can independently plug using the fixed mode of slot in the present invention, just
Reparation after LED particle damage, improves bad repair rate；
6, lug is set on light guide plate top in the present invention, the light guide plate limiting slot phase with the corresponding position setting in glue frame
Cooperation, with lightguide plate fixing, the fixed form of the adhesive tape bonding of abandoning tradition, assembly precision is high, and it is guide-lighting to can be very good release
The flexible degree of freedom of plate, it is possible to prevente effectively from Classical adhesive tape fixation is bad by warpage, fold, Newton's ring etc..
Description of the drawings
Fig. 1 is the upward view of the backlight in one embodiment of the invention.
Fig. 2 is the structural schematic diagram of the LED particle in one embodiment of the invention.
Fig. 3 is the structural schematic diagram of the third electrode in one embodiment of the invention.
Fig. 4 is the structural schematic diagram of the glue frame in one embodiment of the invention.
Fig. 5 is the front view of third electrode and the 4th electrode in another embodiment of the present invention.
Fig. 6 is the vertical view of third electrode and the 4th electrode in another embodiment of the present invention.
Fig. 7 is the structural schematic diagram of the backlight and backlight mounting blocks in invention one embodiment.
Fig. 8 is that first connecting portion and second connecting portion are limited in backlight mounting blocks towards the surface of LED particle at C3 in Fig. 7
The left view for the slot made.
Fig. 9 is the vertical view of the LED particle in another embodiment of the present invention.
Figure 10 is the front view of the backlight and backlight mounting blocks in another embodiment of the present invention.
Figure 11 is the vertical view of the glue frame in another embodiment of the present invention.
Figure 12 is the vertical view of the light guide plate in one embodiment of the invention.
Figure 13 is the vertical view of the backlight module in one embodiment of the invention.
Figure 14 is the general assembly explosive view of the backlight module in one embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art
It offers described technology or condition or is carried out according to product description.Reagents or instruments used without specified manufacturer,
For can be with conventional products that are commercially available.
The present invention is following understanding based on inventor and discovery and completes：
Currently, the backlight in display device is fixed using surface mount technology, soaking, heat conductivility are poor, seriously
When fold, scald etc. can be caused bad, and LED particle is design in parallel after first contacting, this results in single LED particle to damage
Bad other LED particles normal work that can influence series connection with it causes entire if in addition there is LED particle damage just can not repair
Backlight is scrapped, and unnecessary waste is caused.In view of the above technical problems, inventor conducts in-depth research, and is sent out after research
It is existing, it can be good at integrated circuit using the preferable electrode of thermal conductivity (such as steel disc electrode etc.) as LED electrode
(IC) and LED particle work generate thermal homogenization and quickly conduct, avoid more concentrating due to heat and cause
Membrane material fold and scald etc. it is bad；LED particle can be connected in parallel, in order to be driven all with low voltage
LED particle does not influence other LED normal works, improves bad repair rate when single LED particle damages.
In view of this, in one aspect of the invention, the present invention provides a kind of backlights.Implementation according to the present invention
Example, referring to Fig.1, which includes：Multiple LED particles 100 are each provided with first electrode 110 in the LED particle 100
With second electrode 120；200 and the 4th electrode 300 of spaced third electrode；Wherein, in the multiple LED particle 100
The first electrode 110 is electrically connected with the third electrode 200, the second electrode in the multiple LED particle 100
120 are electrically connected with the 4th electrode 300, so that multiple LED particles 100 are in parallel.Inventor has found have above-mentioned
The back light source structure of structure is simple, and yield is higher, and optical effect is preferable, and brightness is more uniform, and in parallel connect may be implemented in LED particle
It connects, effectively avoids the caused following disadvantage of connection type in parallel after using LED particle first to connect in the prior art：Single
The damage of LED particle can influence the normal work of other LED particles of series connection with it, and if having LED particle damage just can not
Repair, causes entire backlight to be scrapped, causes unnecessary waste；The LED being all connected in parallel can be driven with lower voltage
Particle does not interfere with other LED particles normal work when single LED particle damages, and is conducive to improve bad repair rate,
Performance is preferable.
According to an embodiment of the invention, the structural schematic diagram of LED particle can refer to Fig. 2, wherein A1 is LED particle 100
Front view, A2 are the upward view of LED particle 100, and for the ease of making, multiple LED particles 100 can be linearly distributed, and LED
It is provided with spaced first electrode 110 and second electrode 120 on one surface of particle 100.Implementation according to the present invention
, the distribution mode of first electrode or second electrode is not particularly limited in each LED particle, as long as disclosure satisfy that requirement,
Those skilled in the art can flexibly select according to actual conditions, such as first electrode and second electrode can be along multiple LED
The directional spreding of particle linear distribution, can also be along other directional spredings.
According to an embodiment of the invention, the material of third electrode or the 4th electrode is not particularly limited, as long as disclosure satisfy that
It is required that those skilled in the art can flexibly select according to actual needs.According to an embodiment of the invention, the third electricity is formed
The material of pole and the 4th electrode can be separate for metal or alloy etc., such as forms third electrode or the 4th electrode
Material can it is separate for spring steel, stainless steel or metal etc., material source is extensive as a result, and toughness is preferable, third electricity
The heat-conducting effect of pole or the 4th electrode is preferable, and electric conductivity is higher, the even heat that can generate IC or LED particle work
Change and more quickly conduct, effectively avoids the damage of backlight, prolong the service life, and use in this application
Above-mentioned third electrode or the 4th electrode replace existing flexible PCB (FPC) to be used as LED electrode, eliminate LED particle table
The attached process of face paste, assembly error and rosin joint, dislocation etc. are bad caused by avoiding the above process, greatly reduce backlight
Optics in production is bad and machinery is bad, furthermore it is also possible to effectively avoid existing backlight poor due to soaking, heat conductivility
Caused by flexible PCB fold or scald etc. it is bad, improve the linearity, the gradient of LED particle, effectively avoid losing.
According to an embodiment of the invention, the shape of third electrode or the 4th electrode is not particularly limited, as long as can expire
Foot requires, and those skilled in the art can flexibly select according to actual needs.Such as the shape of third electrode or the 4th electrode
Can separate be bar shaped or bow font etc., third electrode and the width of the 4th electrode can be the same or different,
In some currently preferred embodiments of the present invention, third electrode is of same size with the 4th electrode；Third electrode or the 4th electrode
As long as thickness it is not also specifically limited, disclosure satisfy that requirement, those skilled in the art can flexibly select according to actual needs.
It is simple in structure as a result, be easily achieved, performance is preferable.According to an embodiment of the invention, the shape of third electrode and the 4th electrode
Can be that use be cut and bending technique is molded at mode, it is simple to operate as a result, it is easy to accomplish.
According to an embodiment of the invention, referring to Fig.1, the third electrode 200 and the 4th electrode 300 are separately positioned on
The opposite both sides of the multiple LED particle 100 are provided on the third electrode 200 and extend respectively to the LED particle 100
Multiple first warpages portion 210, be provided with multiple second extended respectively to the LED particle 100 on the 4th electrode 300
Warpage portion 310, multiple first warpage portions 210 are electrically connected with the first electrode 110 of multiple LED particles 100 respectively, more
A second warpage portion 310 is electrically connected with the second electrode 120 of multiple LED particles 100 respectively.It is simple in structure as a result,
It is easily achieved, electrical connection effect is preferable, and can effectively realize being connected in parallel for LED particle, and it is possible to prevente effectively from existing
LED particle is pasted into the process on flexible PCB in technology, effectively reduction rosin joint or dislocation etc. is bad, LED particle
The linearity is preferable, and optical property or mechanical performance are preferable.
According to an embodiment of the invention, first warpage portion and second warpage portion, which are each configured to have, makes itself
Towards the elastic force of the LED particle warpage.The structure in the first warpage portion, concrete structure are illustrated by taking third electrode as an example below
It can refer to Fig. 2 and Fig. 3, wherein D1 is the front view of third electrode in Fig. 3, and D2 is the vertical view of third electrode, and D3 is third electricity
The left view of pole, D4 are the stereogram of third electrode, and the depth of camber of the first warpage portion 210 towards LED particle 100 is H1, the
Spring is played the role of in one warpage portion 210, is provided with first electrode 110 and second electrode in LED particle 100 in actual use
Towards lower placement, the first warpage portion 210 is upturned on 120 surface, and first electrode 110, which oppresses the first warpage portion 210, makes its production
The raw elastic force towards 100 warpage of LED particle；The structure in the second warpage portion on the 4th electrode can refer to third electrode, different
It is that the second warpage portion is electrically connected with second electrode, is no longer excessively repeated herein.Thus, it is possible to which so that first electrode is stuck up with first
It is come into full contact between pars convoluta or second electrode and the second warpage portion, electrical connection effect is preferable, improves the yield of backlight, effectively
It avoids pasting LED particle into the process on LED electrode, greatly reduces assembly error, improve the mechanical optics and machine of backlight
Tool yield.Wherein, it should be noted that upper in Fig. 3 or under the description that is only carried out in detail in this figure in order to illustrate the application, no
It can be interpreted as the limitation to the application, specific direction in actual use can flexibly be selected according to actual conditions.
According to an embodiment of the invention, the first warpage portion can be identical with the depth of camber in the second warpage portion, can not also
Together, as long as disclosure satisfy that requirement, those skilled in the art can flexibly select according to actual needs.Some in the present invention are preferred
In embodiment, in order to further increase the yield of backlight, the first warpage portion is identical with the depth of camber in the second warpage portion, by
This, third electrode and the 4th electrode and LED particle are electrically connected that effect is preferable, and the yield of backlight is higher.
According to an embodiment of the invention, referring to Fig.1, the linear distribution in the lateral direction of multiple LED particles 100,
First warpage portion 210 and second warpage portion 310 stagger setting on the distribution arrangement of multiple LED particles 100.
It is simple in structure as a result, can effectively realize the first warpage portion and first electrode be electrically connected and the second warpage portion and the second electricity
The electrical connection of pole, and the first warpage portion of stagger setting and the second warpage portion are it is possible to prevente effectively from short circuit.According to the present invention
Embodiment, make and make product yield higher to easily facilitate, third electrode is in about LED particle with the 4th electrode
Central symmetry has the advantages of simple structure and easy realization as a result, and the first warpage portion can effectively be staggered with the second warpage portion, performance
Preferably.
According to an embodiment of the invention, between the first warpage portion and the second warpage portion that are electrically connected with the same LED particle
Position relationship be not particularly limited, as long as disclosure satisfy that requirement, those skilled in the art can flexibly select according to actual needs
It selects.Such as the first warpage portion being electrically connected with the same LED particle can be waited with the spacing of the second warpage portion in a first direction
In the first electrode and the spacing of second electrode in a first direction of the LED particle, have the advantages of simple structure and easy realization as a result, and first
Warpage portion and first electrode and the second warpage portion and being electrically connected for second electrode are better, and performance is more preferably.
According to an embodiment of the invention, between the two neighboring first warpage portion on the same electrode or the second warpage portion
Spacing be not particularly limited, as long as disclosure satisfy that requirement, those skilled in the art can flexibly select according to actual needs.
In some embodiments of the present invention, the spacing between two neighboring first warpage portion or the second warpage portion on the same electrode
It is equal, it has the advantages of simple structure and easy realization as a result, is suitable for large-scale production.
According to an embodiment of the invention, in order to enable electrical connection effect avoids preferably and effectively short circuit, the first warpage portion away from
Minimum range from the 4th electrode is more than 0 and less than or equal to one with a distance between the third electrode and the 4th electrode
Half, minimum range of second warpage portion apart from the third electrode is more than 0 and less than or equal to the third electrode and described
The half of distance between 4th electrode.Thus, it is possible to effectively realize the first warpage portion and first electrode be electrically connected and second
Warpage portion is electrically connected with second electrode, and can be to avoid short circuit or the second warpage between the first warpage portion and the 4th electrode
It is short-circuit between portion and third electrode.
It should be noted that minimum range of the first warpage portion apart from the 4th electrode can be sticking up for the first warpage portion
When Qu Gaodu is 0, the shortest distance between the first warpage portion and the 4th electrode, or first when any other depth of camber
The shortest distance between warpage portion and the 4th electrode；Second warpage portion and the minimum range of third electrode can be the second warpage portion
Depth of camber be 0 when, the shortest distance between the second warpage portion and third electrode, or when any other depth of camber
The shortest distance between second warpage portion and third electrode.
In another aspect of this invention, the present invention provides a kind of backlight modules.According to an embodiment of the invention, the backlight
Module includes foregoing backlight.Inventor has found that the back light module unit structure is simple, it is easy to accomplish, yield is higher, uses
Performance is preferable, and all features and a little with foregoing backlight, no longer excessively repeats herein.
According to an embodiment of the invention, with reference to Fig. 4, which further includes glue frame 400, wherein B1 is bowing for glue frame
View, B2 are sectional views of the B1 along the directions aa ', are provided with along an internal face 410 of the glue frame 400 for installing described the
Multiple backlight mounting blocks 420 of three electrodes 200 and the 4th electrode 300, multiple backlight mounting blocks 420 are along institute
The length direction interval setting of an internal face 410 is stated, 100 (not shown) of each LED particle is arranged adjacent two
Between a backlight mounting blocks 420.Thus, it is possible to improve the yield of backlight module, optical effect is preferable, and brightness is more equal
One, and independent plug may be implemented in LED particle, it is easy to assembly, it is possible to prevente effectively from backlight tape-stripping in the prior art
And pressing, backlight with tape-stripping to the process of the first-class redundancy of glue frame, and then effectively avoid assembling mistake caused by the above process
Difference and LED particle are split or poor contact etc. is bad, and hot spot caused by greatly reducing thus, brightness disproportionation, assembling are inclined
Position etc. is bad, and the optics greatly reduced in backlight production is bad bad with machinery, and convenient for repairing after LED particle damage
It is multiple, improve bad repair rate.
According to an embodiment of the invention, backlight mounting blocks can be arranged in the inner surface on the longer side of glue frame or shorter
Side inner surface, specifically can flexibly be selected according to actual conditions, no longer excessively repeated herein.According to an embodiment of the invention,
The material of glue frame is not particularly limited, as long as disclosure satisfy that requirement, those skilled in the art can flexibly select according to actual needs
It selects, such as it can be ABS or polypropylene etc. to form the material of glue frame.
According to an embodiment of the invention, the distance between two neighboring backlight mounting blocks are not particularly limited, and specifically may be used
To be configured according to the size of LED particle in actual use, such as the distance between two neighboring backlight mounting blocks
It can be the longer or shorter length of side more than or equal to LED particle.
According to an embodiment of the invention, with reference to Fig. 4, wherein each the backlight mounting blocks 420 include：First limit
Slot 421 and the second limiting slot 422, first limiting slot 421 and second limiting slot 422 are along one internal face
410 length direction extends, and 200 (not shown) of third electrode is matched with first limiting slot 421, and the described 4th
300 (not shown) of electrode is matched with second limiting slot 422；Lug boss 423, the lug boss 423 are located at described the
Between one limiting slot 421 and second limiting slot 422 and separate the third electrode 200 and the 4th electrode 300.By
Third electrode and the 4th electrode, can be fixed on backlight mounting blocks by this, and pass through lug boss interval between two electrodes
It opens, effectively avoids short circuit, and the above-mentioned mounting means of third electrode or the 4th electrode will be it is possible to prevente effectively from the prior art will
Flexible PCB pastes the process in glue frame, and assembly error is smaller, and hot spot or brightness disproportionation etc. are bad relatively low.
According to an embodiment of the invention, above-mentioned third electrode is matched with the first limiting slot and the 4th electrode is matched with second
" cooperation " in limiting slot refers to：It is equal to the width of third electrode with reference to the B2 in Fig. 4, the width W1 of the first limiting slot, second
The width W2 of limiting slot is equal to the width of the 4th electrode, thus, it is possible to which third electrode and the 4th electrode are relatively firmly fixed
On backlight mounting blocks, the yield of backlight source module is improved.
According to an embodiment of the invention, in order to further coordinate backlight mounting blocks and realize the fixation of backlight, reference
Fig. 4 and Fig. 5, the third electrode 200 have multiple first wave peak potions 220, multiple first wave valley 230 and multiple first connections
Portion 240, the first wave peak potion 220 and the first wave valley 230 be arranged alternately and the adjacent first wave peak potion 220 and
It is connected by the first connecting portion 240 between the first wave valley 230, the first wave peak potion 220 is matched with described the
In one limiting slot 421, the first wave valley 230 extend between the two neighboring backlight mounting blocks 420 and with the LED
The first electrode 110 of particle 100 is electrically connected；4th electrode 300 has multiple secondary peak portions 320, multiple second troughs
Portion 330 and multiple second connecting portions 340, the secondary peak portion 320 and second trough portion 330 are arranged alternately and adjacent
It is connected by the second connecting portion 340 between the secondary peak portion 320 and second trough portion 330, second wave
Peak potion 320 is matched in second limiting slot 422, and second trough portion 330 extends to the two neighboring backlight installation
It is electrically connected between block 420 and with the second electrode of the LED particle 100 120.It has the advantages of simple structure and easy realization as a result, Ke Yiyou
Third electrode and the 4th electrode are fixed on backlight mounting blocks by effect ground, and may be implemented third electrode and the 4th electrode with
Electrical connection between LED particle, yield are higher.
According to an embodiment of the invention, first wave peak potion, which is matched in the first limiting slot, refers to：Reference Fig. 4, Fig. 5 and Fig. 6,
Wherein, Fig. 5 is the front view of third electrode and the 4th electrode, and Fig. 6 is the vertical view of third electrode and the 4th electrode.Primary peak
Length L1 of the portion 220 between two neighboring first connecting portion 240 is equal to the length L2 of the first limiting slot, the width of the first limiting slot
The width W3 (can be the width of third electrode) that W1 is equal to first wave peak potion is spent, and the depth D5 of the first limiting slot is more than or equal to
The thickness D6 of (being preferably equal to) first wave peak potion, the meaning of the cooperation between secondary peak portion and the second limiting slot can refer to first
Crest portion no longer excessively repeats herein.Thus, it is possible to which third electrode and the 4th electrode are firmly fixed to backlight mounting blocks
On, yield is higher.According to an embodiment of the invention, in order to realize that first wave valley or the second trough portion are realized with LED particle
Electrical connection, first wave valley are provided with the first warpage portion, and the second trough portion is provided with the second warpage portion, and the first warpage portion or
Second warpage portion and LED particle are consistent with the description of front, no longer excessively repeat herein.
According to an embodiment of the invention, in order to realize the first warpage portion and first electrode and the second warpage portion and the second electricity
The abundant connection of pole, with reference to Fig. 7, wherein C1 is the front view of backlight and backlight mounting blocks 400, and C2 is in C1 along the sides bb '
To section left view, wherein 230 (not shown) of first wave valley and the second trough portion 330 are arranged two neighboring
The bottom in the region that backlight mounting blocks 420 limit, and the depth of camber in the first warpage portion 210 or the second warpage portion 310
For H1, the height H1 in the warpage of thickness H, first or second portion of backlight mounting blocks 420 and the height H2 of LED particle 100
Between meet the following conditions：2 × H1+H2 of H ＜ H1+H2 ＜.Thus, it is possible to realize the first warpage portion and first electrode and second
Interference fit between warpage portion and second electrode, it is ensured that the first warpage portion or second after backlight module is completed
Warpage portion is in compressive state, and then realizes the abundant of the first warpage portion and first electrode and the second warpage portion and second electrode
Connection, improves the yield of backlight module.
According to an embodiment of the invention, right with reference to Fig. 8 and Fig. 9 in order to further realize being firmly fixed for LED particle
Direction described LED of the first connecting portion 240 and the second connecting portion 340 answered in the backlight mounting blocks 420
The surface of grain 100 limits slot 424, and the LED particle 100 is equipped with and is matched with convex stupefied the 130 of the slot 424, needs
Bright, the both sides of backlight mounting blocks towards LED particle limit slot, and Fig. 8 only shows inserting on one of direction
The case where slot, the slot in slot and Fig. 8 on another direction is about LED particle or the center line pair of backlight mounting blocks
Claim, no longer excessively repeats herein.Thus, it is possible to realize that the independent plug of LED particle carries convenient for the reparation after LED particle damage
High bad repair rate, and third electrode and the 4th electrode separation can be come, short circuit between the two is effectively avoided, simultaneously
The mode for replacing traditional backlight tape-stripping in the application in such a way that slot fixes LED particle, can be to avoid backlight
Source adhesive tape attaches, fracture, Pad off of LED particle etc. are bad caused by pressing, backlight can also be avoided to paste glue frame
The assembly error of upper generation and thus caused by assembling deviation, brightness disproportionation first-class it is bad.
According to an embodiment of the invention, LED particle be equipped be matched with slot it is convex it is stupefied in " cooperation " refer to：Referring in particular to
The width of Fig. 7, Fig. 8 and Fig. 9, the slot 424 that first connecting portion 240 is limited with second connecting portion 340 are W4, LED particle 100
On convex stupefied 130 width be W5, wherein W4 be equal to W5, and convex stupefied 130 length L3 be more than or equal to slot 424 depth
(i.e. the maximum value of the thickness of third electrode or the 4th electrode).Thus, it is possible to which LED particle is relatively firmly fixed to third
It between electrode and the 4th electrode, realizes that LED particle independently plugs, improves damage repair rate, and it is possible to prevente effectively from third electrode
And the 4th short circuit between electrode, improve the yield of backlight module.
According to an embodiment of the invention, when the shape of third electrode and the 4th electrode is bar shaped, referring to Fig.1 0, third electricity
200 (not shown) of pole includes being arranged alternately and 250 (not shown) of multiple first segments interconnected and multiple second
260 (not shown)s of section, first segment 250 are matched in the first limiting slot 421, and the first limiting slot setting in the present embodiment exists
The lower surface of backlight mounting blocks, second segment 260 are arranged between two neighboring backlight mounting blocks 420, and at LED
The lower part of grain 100 is provided with the first warpage portion 210 on second segment 260, and the first warpage portion 210 is electrically connected with first electrode 110；The
Four electrodes 300 include being arranged alternately and multiple 350 (not shown)s of third section for interconnecting and 4th section 360 multiple, the
It is matched with for three section 350 in second limiting slot 422, the second limiting slot is arranged under backlight mounting blocks 420 in the present embodiment
Surface, and lug boss is provided between the first limiting slot 421 and the second limiting slot 422, the 4th section 360 is arranged in the two neighboring back of the body
Between light source mounting blocks, and in the second warpage portion 320 is provided on the lower part of LED particle 100, the 4th section 360, second sticks up
Pars convoluta 320 is electrically connected with second electrode 120.It has the advantages of simple structure and easy realization as a result, yield is higher, it can be achieved that batch production.
It should be noted that the cooperation between the first limiting slot and the second limiting slot can be with respectively for third section and the 4th section
It is no longer excessive herein with reference to first wave peak potion and the cooperation between the first limiting slot and the second limiting slot respectively of secondary peak portion
It repeats.
According to an embodiment of the invention, when third electrode and the 4th electrode are bar shaped, LED particle can be arranged convex stupefied
Can be not provided with it is convex stupefied, as long as can LED particle be arranged between two neighboring backlight mounting blocks, those skilled in the art
The LED particle that can select suitable dimension, no longer excessively repeats herein.
According to an embodiment of the invention, 1, Figure 12 and Figure 13 referring to Fig.1, which further includes light guide plate 500, described
Light guide plate 500 is arranged in the glue frame 400, one internal face backwards of at least one backlight mounting blocks 420
410 surface is equipped with light guide plate limiting slot 425, and the light guide plate 500 is matched with the light guide plate limiting slot equipped at least one
425 lug 510.It has the advantages of simple structure and easy realization as a result, the fixed form of the tape-stripping of abandoning tradition, yield is higher, dress
It is higher with precision, flexible degree of freedom of the release light guide plate along an internal face length direction is can be very good, it is possible to prevente effectively from
Classical adhesive tape is fixed bad by warpage, fold or Newton's ring etc..
According to an embodiment of the invention, the size of lug and the matching size conjunction of light guide plate limiting slot refer to the lucky of lug
The space of light guide plate limiting slot can be filled up.According to an embodiment of the invention, the shape of lug or light guide plate limiting slot
Shape is not particularly limited, as long as can be fixed on lug in light guide plate limiting slot, those skilled in the art can be according to reality
Border needs flexibly selection.
According to an embodiment of the invention, the material of light guide plate is not particularly limited, as long as disclosure satisfy that requirement, this field skill
Art personnel can flexibly select according to actual needs, for example, the material for forming light guide plate can be makrolon or poly- methyl
Methyl acrylate etc..According to an embodiment of the invention, as long as the mode for forming lug is wanted it is not also specifically limited, disclosure satisfy that
It asks, those skilled in the art can flexibly select according to actual needs, such as it can be etching, cutting to form the mode of lug
Deng.
According to an embodiment of the invention, the number of lug is not particularly limited, as long as disclosure satisfy that requirement, art technology
Personnel can flexibly select according to actual needs.Such as the number of lug can be equal to the number of light guide plate limiting slot, it can also
Less than the number of light guide plate limiting slot, for example, the number of lug can be 3, one of them is located at the close described of light guide plate
The midpoint at the edge of backlight mounting blocks, other two is located at the midpoint and is symmetrical arranged；In some preferred implementations of the present invention
In example, the lug is one and positioned at the midpoint close to the edge of the backlight mounting blocks of the light guide plate, is needed
Illustrate, corresponds to the lug in the present embodiment and be provided with corresponding light guide plate limiting slot.Light guide plate is discharged as a result,
Better, warpage, fold or the newton caused by more efficiently light guide plate being avoided to be limited by thermal expansion of flexible degree of freedom
Ring etc. is bad, and performance is more preferably.
According to an embodiment of the invention, referring to Fig.1 4, backlight module can also include shading rubber belt 610, upper brightening piece
620, lower brightening piece 630, diffusion sheet 640 and reflector plate 650 etc., and the shading rubber belt, upper brightening piece, lower brightening piece, expansion
Discrete piece and reflector plate are consistent with conventional shading rubber belt, upper brightening piece, lower brightening piece, diffusion sheet and reflector plate, herein not
It is repeated after more.
According to an embodiment of the invention, can be by the flow that above-mentioned backlight module assembles：
Reflector plate is fixed in glue frame, and light guide plate is assembled with glue frame by lug；
Backlight is fixed on backlight fixed block；
Diffusion sheet, lower brightening piece, upper brightening piece and shading rubber belt are assembled successively.
In another aspect of this invention, the present invention provides a kind of display devices.According to an embodiment of the invention, the display
Device includes foregoing backlight module.Inventor has found that the display device structure is simple, it is easy to accomplish, yield is higher, shows
Show that brightness is more uniform, display effect is preferable, and all features and a little with foregoing backlight module, herein not after
It repeats more.
According to an embodiment of the invention, the type of display device is not particularly limited, as long as disclosure satisfy that requirement, this field
Technical staff can flexibly select according to actual needs.For example, display device can be computer, mobile phone, television set, wearable set
It is standby etc..According to an embodiment of the invention, display device is also equipped with conventional display device and answers other than having above-mentioned backlight module
The structure having, such as CPU, display panel etc..
It should be noted that used in this specification it is upper and lower, left or right be merely to illustrate that the application carry out
Description, should not be understood as the limitation to the application, specific direction can flexibly be selected according to actual conditions.
According to an embodiment of the invention, in general display device, backlight module yield is relatively low, and heat dissipation effect is poor,
And LED particle causes scrapping for entire backlight using interconnection technique in parallel after first connecting after single LED particle damage.And
In this application, it is connected in parallel, can be driven all with low voltage using the preferable electrode of heat dissipation effect and LED particle formation
LED particle does not influence other LED particles normal work, has saved cost, it is competing to improve product when single LED particle damages
Strive power；Backlight mounting blocks are set in glue frame to realize that being firmly fixed for backlight, LED particle can independently plug, just
Reparation after LED particle damage, improves bad repair rate；Lug is set on light guide plate, is set with the corresponding position in glue frame
The light guide plate limiting slot set is matched with lightguide plate fixing, the fixed form of the adhesive tape bonding of abandoning tradition, and assembly precision is high, can
To discharge the flexible degree of freedom of light guide plate well, bad, the application can be fixed by warpage, fold etc. to avoid Classical adhesive tape
Backlight module installed instead of traditional SMT using pluggable mode so that backlight module the reliability tests such as vibrates, falls doing
When have better performance.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (14)
1. a kind of backlight, which is characterized in that including：
Multiple LED particles are each provided with first electrode and second electrode in the LED particle；
Spaced third electrode and the 4th electrode；
Wherein, the first electrode in the multiple LED particle is electrically connected with the third electrode, the multiple LED
The second electrode on grain is electrically connected with the 4th electrode, so that multiple LED particles are in parallel.
2. backlight according to claim 1, which is characterized in that the third electrode and the 4th electrode are respectively set
Multiple extended respectively to the LED particle are provided on the opposite both sides of the multiple LED particle, the third electrode
One warpage portion, is provided with the multiple second warpages portion extended respectively to the LED particle on the 4th electrode, and multiple described
One warped portion is not electrically connected with the first electrode of multiple LED particles, multiple second warped portions not with multiple institutes
State the second electrode electrical connection of LED particle.
3. backlight according to claim 2, which is characterized in that multiple LED particle linear distributions, described first sticks up
Pars convoluta and second warpage portion stagger setting on the distribution arrangement of multiple LED particles.
4. backlight according to claim 2, which is characterized in that first warpage portion apart from the 4th electrode most
Small distance is more than 0 and less than or equal to the half of distance between the third electrode and the 4th electrode, second warpage portion
Minimum range apart from the third electrode is more than 0 and less than or equal to distance between the third electrode and the 4th electrode
Half.
5. backlight according to claim 2, which is characterized in that first warpage portion and second warpage portion quilt
It is configured with the elastic force for making itself towards the LED particle warpage.
6. backlight according to claim 1, which is characterized in that form the material of the third electrode and the 4th electrode
Expect that separate is metal or alloy.
7. a kind of backlight module, which is characterized in that including claim 1-6 any one of them backlights.
8. backlight module according to claim 7, which is characterized in that further include glue frame, an internal face of the glue frame
On be provided with multiple backlight mounting blocks for installing the third electrode and the 4th electrode, multiple backlights peaces
It fills block along the length direction interval of one internal face to be arranged, each LED particle is arranged in the two neighboring back of the body
Between light source mounting blocks.
9. backlight module according to claim 8, which is characterized in that each the backlight mounting blocks include：
First limiting slot and the second limiting slot, first limiting slot and second limiting slot are along one internal face
Length direction extends, and the third electrode is matched with first limiting slot, and the 4th electrode is matched with second limit
Slot；
Lug boss, the boss is between first limiting slot and second limiting slot and separates the third electrode
With the 4th electrode.
10. backlight module according to claim 9, which is characterized in that the third electrode have multiple first wave peak potions,
Multiple first wave valley and multiple first connecting portions, the first wave peak potion and the first wave valley are arranged alternately and adjacent
It is connected by the first connecting portion between the first wave peak potion and the first wave valley, the first wave peak potion is matched with
In first limiting slot, the first wave valley extend between the two neighboring backlight mounting blocks and with described LED
The first electrode electrical connection of grain；
4th electrode has multiple secondary peak portions, multiple second troughs portion and multiple second connecting portions, second wave
Peak potion and second trough portion are arranged alternately and pass through institute between the adjacent secondary peak portion and second trough portion
It states second connecting portion to be connected, the secondary peak portion is matched in second limiting slot, and second trough portion extends to adjacent
It is electrically connected between two backlight mounting blocks and with the second electrode of the LED particle.
11. backlight module according to claim 10, which is characterized in that the corresponding first connecting portion and described second
Interconnecting piece limits slot on the surface of the direction LED particle of the backlight mounting blocks, and the LED particle is equipped with cooperation
In the convex stupefied of the slot.
12. backlight module according to claim 8, which is characterized in that further include light guide plate, the light guide plate is arranged in institute
It states in glue frame, at least one backlight mounting blocks are equipped with light guide plate limiting slot backwards to the surface of one internal face,
The light guide plate is equipped at least one lug for being matched with the light guide plate limiting slot.
13. backlight module according to claim 12, which is characterized in that the lug is one and is located at the light guide plate
Close to the backlight mounting blocks edge midpoint.
14. a kind of display device, which is characterized in that including claim 7-13 any one of them backlight modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146908.1A CN108317437B (en) | 2018-02-12 | 2018-02-12 | Backlight source, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146908.1A CN108317437B (en) | 2018-02-12 | 2018-02-12 | Backlight source, backlight module and display device |
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| Publication Number | Publication Date |
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| CN108317437A true CN108317437A (en) | 2018-07-24 |
| CN108317437B CN108317437B (en) | 2020-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109541852A (en) * | 2019-01-08 | 2019-03-29 | 京东方科技集团股份有限公司 | Lamp bar component, backlight module and display device |
| WO2021102742A1 (en) * | 2019-11-27 | 2021-06-03 | 鹏鼎控股(深圳)股份有限公司 | Multi-surface light-emitting circuit board and fabrication method therefor |
| WO2023077695A1 (en) * | 2021-11-03 | 2023-05-11 | 深圳市欣上科技有限公司 | Filament structure and decorative lamp |
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| US20100096661A1 (en) * | 2006-02-23 | 2010-04-22 | Samsung Electro-Mechanics Co., Ltd. | Light emitting diode module |
| CN101666475A (en) * | 2008-09-05 | 2010-03-10 | 奇美电子股份有限公司 | Backlight module, light-emitting element, liquid crystal display and assembly method thereof |
| CN103430339A (en) * | 2012-03-13 | 2013-12-04 | 松下电器产业株式会社 | Substrate, light-emitting device, and illumination device |
| CN202695530U (en) * | 2012-05-21 | 2013-01-23 | 王定锋 | Light-emitting diode (LED) module capable of directly forming LED supports on wire circuit boards |
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| CN103912805A (en) * | 2013-01-02 | 2014-07-09 | 马飞 | Weld-free type surface mounted device light-emitting diode (LED) lamp structure |
| CN105044986A (en) * | 2015-09-21 | 2015-11-11 | 武汉华星光电技术有限公司 | Glue frame and backlight module group |
| CN205809489U (en) * | 2016-06-13 | 2016-12-14 | 厦门光莆显示技术有限公司 | A kind of ultrathin backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109541852A (en) * | 2019-01-08 | 2019-03-29 | 京东方科技集团股份有限公司 | Lamp bar component, backlight module and display device |
| WO2021102742A1 (en) * | 2019-11-27 | 2021-06-03 | 鹏鼎控股(深圳)股份有限公司 | Multi-surface light-emitting circuit board and fabrication method therefor |
| WO2023077695A1 (en) * | 2021-11-03 | 2023-05-11 | 深圳市欣上科技有限公司 | Filament structure and decorative lamp |
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