CN103453402B - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN103453402B CN103453402B CN201310381886.4A CN201310381886A CN103453402B CN 103453402 B CN103453402 B CN 103453402B CN 201310381886 A CN201310381886 A CN 201310381886A CN 103453402 B CN103453402 B CN 103453402B
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- light
- backlight module
- described light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000994 depressogenic effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 19
- 230000001795 light effect Effects 0.000 description 5
- 238000004020 luminiscence type Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A kind of backlight module, including light guide plate, light-emitting section and location structure.The incidence surface of described light guide plate is formed at a side of described light guide plate.Described light-emitting section includes wiring board and the multiple light-emitting components being located on wiring board.Described light-emitting component is relative with the incidence surface of described light guide plate.Described location structure is used for positioning described light-emitting section or described light guide plate.Described location structure has multiple different location gear, described location structure is by positioning described light-emitting section or described light guide plate to different location gears, make described light guide plate and described light-emitting section one of them relative to described light guide plate and described light-emitting section wherein another moves along a specific direction, and change between described light-emitting component and the described incidence surface of described light guide plate the relative position along described specific direction, thus in the case of being changed without light guide plate and light emitting diode, change the light-out effect of backlight module.
Description
Technical field
The present invention relates to technical field of liquid crystal display, and particularly to a kind of backlight module.
Background technology
Backlight module (Back light module) is the pass of panel of LCD (LCD panel)
One of key elements, for providing sufficient brightness and the light source being evenly distributed for liquid crystal panel so that it is
Can be with show image.
Existing backlight module generally include backboard, glue frame, light guide plate, light-emitting section, reflector plate and
Blooming piece.Backboard is positioned at the bottom opening of glue frame.Reflector plate and light guide plate are sequentially arranged in backboard
On.Light guide plate includes that one enters optical plane and an exit plane perpendicular with entering optical plane.Enter light
Multiple lattice point structure can be set in plane or exit plane, to improve entering light or going out light efficiency of light guide plate
Really.Blooming piece is located at the top of the exit plane of light guide plate, to improve backlight module further
Go out light.Light-emitting section includes hard printed circuit board and the multiple luminescences being located in hard printed circuit board
Diode.Light-emitting section is located at the side of light guide plate, enters optical plane with the one of light guide plate relative, and logical
Cross double faced adhesive tape to be fixed on the sidewall of close light-emitting section of glue frame.
In above-mentioned backlight module, owing to light-emitting section is fixed on glue frame, its position be relatively fixed and
Not malleable, makes the light efficiency that enters of light guide plate be relatively fixed, therefore, if desired changes whole backlight
The light-out effect of module, then need to change the net-pont design entering optical plane or exit plane of light guide plate
Or change the light emitting diode with different luminous efficiency.Specifically, if light emitting diode
Luminous efficiency constant, then need change light guide plate the site entering optical plane or exit plane set
Meter；If light guide plate is constant, then need to change the light emitting diode with different luminous efficiency.But,
The net-pont design of light guide plate is more complicated, and replacement cost is higher；The replacing of light emitting diode then by
Replacement cost is increased, therefore, it is necessary to provide one in the relatively costly of light emitting diode itself
The change of backlight module light-out effect is can reach in the case of being changed without light guide plate and light emitting diode
Backlight module.
Summary of the invention
Being directed to this, the present invention provides one can reach in the case of being changed without light guide plate and light-emitting component
Backlight module to light-out effect change.
The backlight module that the present invention provides includes light guide plate, light-emitting section and location structure.Described leaded light
The incidence surface of plate is formed at a side of described light guide plate.Described light-emitting section includes wiring board and sets
Multiple light-emitting components on wiring board.The incidence surface phase of described light-emitting component and described light guide plate
Right.Described location structure is used for positioning described light-emitting section or described light guide plate.Described location structure has
Having multiple different location gear, described location structure is by by described light-emitting section or described light guide plate
Location, to different location gears, makes one of them relative institute of described light guide plate and described light-emitting section
State light guide plate and described light-emitting section wherein another moves along a specific direction, and change described luminescence
Along the relative position of described specific direction between element and the described incidence surface of described light guide plate.
According to one embodiment of present invention, described location structure includes wherein the one of described wiring board
Hold the multiple graduation marks arranged along a first direction, and the close described graduation mark of described light guide plate
A locating surface, described location structure by make described locating surface align different graduation marks and by institute
State light guide plate or described light-emitting section location to different location gears.
According to one embodiment of present invention, described location structure includes that described wiring board is along one first
The hole, multiple location that direction is arranged, and corresponding described location on a backboard of described backlight module
Multiple locating dowels that hole is arranged, described location structure is by being located at different determining by described location borehole jack
Position post is peripheral and positions described light-emitting section to the most different location gears.
According to one embodiment of present invention, described location structure include described light guide plate with described
The multiple locating slots arranged along a first direction on the another side that incidence surface is relative or locating convex block,
And corresponding described locating slot or locating convex block arrange many on a framework of described backlight module
Individual locating convex block or locating slot, described location structure is by being inserted in different by described locating convex block
By described light guide plate location to different location gears in locating slot.
According to one embodiment of present invention, described location structure include described light guide plate with described
The multiple locating slots arranged along a second direction on the another side that incidence surface is relative or locating convex block,
And corresponding described locating slot or locating convex block arrange many on a framework of described backlight module
Individual locating convex block or locating slot, described location structure is by being inserted in different by described locating convex block
By described light guide plate location to different location gears in locating slot.
According to one embodiment of present invention, described location structure include described light guide plate with described
The multiple locating slots arranged along a third direction on the side that incidence surface is perpendicular or locating convex block, with
And on a framework of described backlight module corresponding described locating slot or locating convex block arrange multiple
Locating convex block or locating slot, described location structure is by being inserted in different determining by described locating convex block
By described light guide plate location to different location gears in the groove of position.
According to one embodiment of present invention, the incidence surface of described light guide plate is formed with interval to arrange
Multiple depressed parts and multiple protuberances of the most described depressed part, described protuberance has one first
Light in part, described depressed part has one second light in part, and described first light in part is parallel to described
Two light in part, along described certain party between described light-emitting component and the described incidence surface of described light guide plate
To relative position refer to that described light-emitting component and described second light in part are on described specific direction
Position relatively.
According to one embodiment of present invention, described depressed part is trapezoidal or rectangle.
According to one embodiment of present invention, described specific direction includes the length side of described light guide plate
To, the width of described light guide plate and the thickness direction of described light guide plate.
According to one embodiment of present invention, described wiring board be layed in described light guide plate go out light
On the loading end that face is parallel, described light-emitting component be arranged at dispersedly described wiring board away from
On the surface of described loading end.
Light-emitting section or light guide plate are positioned by the backlight module that the present invention provides by utilizing location structure
To different location gears, make one of them relative light guide plate and light-emitting section of light guide plate and light-emitting section
Wherein another moves along a specific direction, and change between light-emitting component and the incidence surface of light guide plate
Along the relative position of described specific direction, thus change the light effect that enters of light guide plate, and do not changing
Change the light-out effect of backlight module in the case of light-emitting component and light guide plate, make the backlight of the present invention
Module utilizes same light-emitting component can provide different light-out effect or utilize different
Light-emitting component can reach same light-out effect, adds the use model of backlight module of the present invention
Enclose.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the present invention
Technological means, and can be practiced according to the content of description, and the present invention's be upper in order to allow
State and can become apparent with other objects, features and advantages, below especially exemplified by preferred embodiment, and
Coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 show the cross-sectional schematic of the backlight module of first embodiment of the invention.
Fig. 2 show light guide plate and the one of light-emitting section in the backlight module of first embodiment of the invention
The schematic top plan view of position relationship.
Fig. 3 show another of light guide plate and light-emitting section in the backlight module of first embodiment of the invention
Plant the schematic top plan view of position relationship.
Fig. 4 show light guide plate and the one of light-emitting section in the backlight module of second embodiment of the invention
The schematic top plan view of position relationship.
Fig. 5 show another of light guide plate and light-emitting section in the backlight module of second embodiment of the invention
Plant the schematic top plan view of position relationship.
Fig. 6 show light guide plate and the one of light-emitting section in the backlight module of third embodiment of the invention
The schematic top plan view of position relationship.
Fig. 7 show the enlarged schematic partial view of Fig. 6.
Fig. 8 show another of light guide plate and light-emitting section in the backlight module of third embodiment of the invention
Plant the schematic top plan view of position relationship.
Fig. 9 show the enlarged schematic partial view of Fig. 8.
Figure 10 show the backlight module of fourth embodiment of the invention at light guide plate and the one of light-emitting section
Plant the cross-sectional schematic under installment state.
Figure 11 show another at light guide plate and light-emitting section of the backlight module of fourth embodiment of the invention
A kind of cross-sectional schematic under installment state.
Figure 12 show the backlight module of fifth embodiment of the invention at light guide plate and the one of light-emitting section
Plant the cross-sectional schematic under installment state.
Figure 13 show another at light guide plate and light-emitting section of the backlight module of fifth embodiment of the invention
A kind of cross-sectional schematic under installment state.
Specific embodiment
By further illustrate technological means that the present invention taked by reaching predetermined goal of the invention and
Effect, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of the present invention, structure,
Feature and effect thereof, after describing in detail such as.
Fig. 1 show the cross-sectional schematic of the backlight module of first embodiment of the invention.Such as Fig. 1 institute
Show, the backlight module of the present invention include framework 10, light guide plate 20, backboard 30, light-emitting section 40,
Reflector plate 50 and blooming piece 60.
Wherein, light guide plate 20 have the incidence surface 21 of the side being formed at light guide plate 20 with
And it is formed at the exiting surface 22 at light guide plate 20 top.Light guide plate 20 is located in framework 10, and leads
The sidewall of the incidence surface 21 of tabula rasa 20 and the incidence surface 21 of the close light guide plate 20 of framework 10 it
Between be formed house light-emitting section 40 accommodation space 1020.
The lower section of light guide plate 20 is located at by backboard 30, is used for carrying light guide plate 20 and light-emitting section 40.
Light-emitting section 40 is located on backboard 30, and is positioned at accommodation space 1020, its light provided
Line can enter in light guide plate 20 via the incidence surface 21 of light guide plate 20.Light-emitting section 40 includes line
Road plate 41 and the light-emitting component 42 being located on wiring board 41.In the present invention, wiring board 41 can
Think hard printed circuit board, it is also possible to for flexible PCB.In the present embodiment, wiring board 41
For flexible PCB.Wiring board 41 is layed on backboard 30, and its loading end 31 is parallel to leaded light
The exiting surface 22 of plate 20.Light-emitting component 42 intersperses among the table away from loading end 31 of wiring board 41
On face.In other embodiments of the invention, wiring board 41 can also be located at other support unit
On part such as reflector plate 50, as long as ensureing that the loading end of wiring board 41 is parallel to light guide plate 20
Exiting surface 22.
Reflector plate 50 is located between light guide plate 20 and backboard 30, is used for changing directive light guide plate 20
The direction of the light of bottom so that it is directive is positioned at the exiting surface 22 at light guide plate 20 top.
Blooming piece 60 is positioned at above the exiting surface 22 of light guide plate 20, for homogenization from going out light
The light of face 22 injection, makes the emergent ray of light guide plate 20 be more uniformly distributed.
Fig. 2 and Fig. 3 show the schematic top plan view of the backlight module of first embodiment of the invention, for
Facilitate explanation, Fig. 2 and Fig. 3 only shown light guide plate 20 and light-emitting section 40.Such as Fig. 2
And shown in Fig. 3, the incidence surface 21 of light guide plate 20 is formed spaced multiple trapezoidal recessed
Fall into portion 23 and the multiple trapezoidal protuberance 24 in opposing recesses portion 23.Protuberance 24 has first
Light in part 24a, depressed part 23 has the second light in part 23a, the first light in part 24a and is parallel to
Two light in part 23a.
According to Fig. 2 and Fig. 3, the backlight module of the present invention also includes for positioning determining of light guide plate 20
Bit architecture 70.Location structure 70 includes the multiple graduation marks being located at wherein one end of wiring board 41
71, and it is positioned at the locating surface 72 of close graduation mark 71 side of light guide plate 20.Graduation mark 71
Along a first direction X1(i.e. incidence surface 21 or the length direction of light guide plate 20) arrangement, locating surface
72 are parallel to graduation mark 71.Location structure 70 aligns different graduation marks by making locating surface 72
71 and light guide plate 20 is positioned to different location gears, make light guide plate 20 relative luminous bar 40
X1 moves in the first direction, thus changes the light-emitting component 42 depressed part 23 with light guide plate 20
The relative position of X1 in the first direction between second light in part 23a.Such as, shown in Fig. 2
Light-emitting section 40 is with the relative position of light guide plate 20, and the locating surface 72 of light guide plate 20 is directed at luminescence
Bar 40 high scale is the graduation mark of 6, and at the light-emitting section 40 shown in Fig. 3 and light guide plate 20
Relatively in position, it is the scale of 4 that the locating surface 72 of light guide plate 20 is directed at light-emitting section 40 high scale
Line, makes compared with Fig. 3 with Fig. 2, and light guide plate 20 is relative to light-emitting section 40 X1's in the first direction
Rightabout moves, and makes the light-emitting component 42 second light in part 23a edge relative to light guide plate 20
First direction X1 moves, and changes the second light in part 23a of light-emitting component 42 and light guide plate 20
Between distance, and then change the light effect that enters at the incidence surface 21 of light guide plate 20, and finally
Changing the light-out effect of light guide plate 20 exiting surface 22, the backlight module making the present invention can be not
I.e. can change backlight module in the case of needing to change light-emitting component 42 and light guide plate 20 goes out light
Effect；Also the backlight module making the present invention can go out light according to the exiting surface 22 of light guide plate 20
The luminous efficiency of light-emitting component 42 that requires and provided and Reasonable adjustment light guide plate 20 are with luminous
The relative position of element 42, to obtain the light-out effect required；Same, also make to utilize this
The structure of invention, same light-emitting component 42 backlight module obtaining different light-out effect becomes
May；Furthermore, it is also possible to utilize the structure of the present invention, by adjusting light guide plate 20 and luminescence unit
The relative position of part 42 so that according to the light-emitting component 42 of different luminous efficiencies obtain identical go out light
The backlight module of effect is possibly realized, and adds the range of backlight module of the present invention.
It should be noted that in the present embodiment, both location can be made by mobile light guide plate 20
Face 72 is directed at different scales 71, it is also possible to make locating surface 72 be directed at by mobile light-emitting section 40
Different scales.
Fig. 4 and Fig. 5 show in the backlight module of second embodiment of the invention light-emitting section 40 and leads
The schematic top plan view of tabula rasa 20.In the second embodiment of the present invention, structure and the position of each element are closed
Being essentially identical with first embodiment, its difference is location structure.Such as Fig. 4 and Fig. 5 institute
Showing, in the second embodiment of the present invention, location structure 80 includes wiring board 41 X1 in the first direction
The hole, multiple location 81 arranged, and multiple locating dowels that on backboard 30, hole 81, corresponding location is arranged
82.Location structure 80 will be sent out by hole 81, location is sheathed on different locating dowel 82 peripheries
Rhizoma Dioscoreae (peeled) 40 location, to different location gears, makes light guide plate 20 relative to light-emitting section 40 along first
Direction X1 moves, and changes the second of the light-emitting component 42 depressed part 23 with light guide plate 20 and enter light
The relative position of X1 in the first direction between portion 23a.Such as, at the light-emitting section 40 shown in Fig. 4
With the relative position of light guide plate 20, the hole, location 81 of light-emitting section 40 leftmost side is sheathed on the most left
The periphery of the locating dowel 82 of side, and relative with light guide plate 20 at the light-emitting section 40 shown in Fig. 5
In position, light-emitting section 40 is then sheathed on the locating dowel of the leftmost side from the hole 81, location of left several second
The periphery of 82, makes compared with Fig. 5 with Fig. 4, and light-emitting section 40 is relative to light guide plate 20 in the first direction
The rightabout of X1 moves, so that light-emitting component 42 is relative to the second light in part of light guide plate 20
The rightabout of 23a X1 in the first direction moves, and changes light-emitting component 42 and light guide plate 20
Distance between second light in part 23a, and then change entering at the incidence surface 21 of light guide plate 20
Light, and finally change the light-out effect of light guide plate 20 exiting surface 22.
Fig. 6 and Fig. 8 show light-emitting section 40 in the backlight module of third embodiment of the invention, leaded light
Plate 20 and the schematic top plan view of framework 10.The portion of Fig. 6 and Fig. 8 it is respectively shown in Fig. 7 and Fig. 9
Divide enlarged diagram.The structure of each element and position relationship and first in the third embodiment of the present invention
Embodiment is essentially identical, and its difference is location structure.As shown in Figures 6 to 9, this
In the 3rd bright embodiment, location structure 90 includes relative with the incidence surface 21 of light guide plate 20
Multiple locating slots 91 that on another side, X1 is arranged in the first direction, and corresponding fixed on framework 10
Multiple locating convex blocks 92 that position groove 91 is arranged.Location structure 90 is by plugging locating convex block 92
Light guide plate 20 is positioned to different location gears in different locating slots 91, make light guide plate
20 move relative to light-emitting section 40 X1 in the first direction, thus change light-emitting component 42 with guide-lighting
The relative position of X1 in the first direction between second light in part 23a of the depressed part 23 of plate 20.
Such as, in the relative position of the light-emitting section 40 shown in Fig. 6, light guide plate 20 and framework 10, frame
The locating convex block 92 of frame 10 leftmost side is inserted in the locating slot 91 of light-emitting section 40 leftmost side, and
In the relative position of the light-emitting section 40 shown in Fig. 8, light guide plate 20 and framework 10, framework 10
The locating convex block 92 of the leftmost side is then inserted in light-emitting section 40 in left several second locating slot 91,
Making compared with Fig. 8 with Fig. 6, light guide plate 20 is contrary relative to light-emitting section 40 X1's in the first direction
Direction is moved, and makes the light-emitting component 42 second light in part 23a relative to light guide plate 20 along first
Direction X1 moves, and changes between light-emitting component 42 and the second light in part 23a of light guide plate 20
Distance, and then change the light that enters at the incidence surface 21 of light guide plate 20, and finally change and lead
The light-out effect of tabula rasa 20 exiting surface 22.
Figure 10 and Figure 11 show light-emitting section 40 in the backlight module of fourth embodiment of the invention, leads
Tabula rasa 20 and the cross-sectional schematic of framework 10.The structure of each element in the fourth embodiment of the present invention
Essentially identical with first embodiment with position relationship, its difference is location structure.Such as Figure 10
To shown in Figure 11, in the fourth embodiment of the present invention, location structure 100 includes light guide plate 20
Along the second direction X2(i.e. width side of incidence surface 21 on the another side relative with incidence surface 21
To or the thickness direction of light guide plate 20) multiple locating slots 101 of arranging, and right on framework 10
Answer multiple locating convex blocks 102 that locating slot 101 is arranged.Location structure 100 is by by locating convex block
Light guide plate 20 is positioned to different location gears in 102 are inserted in different locating slots 101,
Make the light guide plate 20 rightabout relative to light-emitting section 40 X2 in a second direction move, thus change
Along second between second light in part 23a of the depressed part 23 becoming light-emitting component 42 and light guide plate 20
The relative position of direction X2.Such as, at the light-emitting section 40 shown in Figure 10, light guide plate 20 and frame
In the relative position of frame 10, from the point of view of the orientation in Figure 10, the location of framework 10 bottom
Projection 102 is inserted in second locating slot 101 of light-emitting section 40 number from the bottom up, and at figure
In the relative position of the light-emitting section 40 shown in 11, light guide plate 20 and framework 10, according in Figure 11
Orientation from the point of view of, the locating convex block 102 of framework 10 bottom is then inserted in light-emitting section 40 bottom
Locating slot 101 in, make compared with Figure 11 with Figure 10, light guide plate 20 is relative to light-emitting section 40 edge
The rightabout of second direction X2 moves, so that the second light in part 23a of light guide plate 20 is relative
Rightabout in light-emitting component 42 X2 in a second direction moves, say, that increase luminescence
Distance between element 42 and the second light in part 23a of light guide plate 20, and then change light guide plate
Enter light at the incidence surface 21 of 20, and finally change light guide plate 20 exiting surface 22 go out light efficiency
Really.
Figure 12 and Figure 13 show light-emitting section 40 in the backlight module of fifth embodiment of the invention, leads
Tabula rasa 20 and the cross-sectional schematic of framework 10.The structure of each element in the fifth embodiment of the present invention
Essentially identical with first embodiment with position relationship, its difference is location structure.Such as Figure 12
And shown in Figure 13, in the fifth embodiment of the present invention, location structure 110 includes and light guide plate 20
The perpendicular side of incidence surface 21 on along a third direction X3(i.e. width of light guide plate 20)
The multiple locating convex blocks 111 arranged, and on framework 10 corresponding locating convex block 111 arrange multiple
Locating slot 112.Location structure 110 by being inserted in different locating slots 112 by locating convex block 111
In and light guide plate 20 is positioned to different location gears, make light guide plate 20 relative to light-emitting section 40
Move along third direction X3, thus change the second light in part of light-emitting component 42 and light guide plate 20
Along the relative position of third direction X3 between 23a.Such as, the light-emitting section 40 shown in Figure 12,
In the relative position of light guide plate 20 and framework 10, from the point of view of the orientation in Figure 12, light-emitting section
40 locating convex blocks 111 topmost are inserted in second locating slot 112 of framework 10 number from top to bottom
In, and in the light-emitting section 40 shown in Figure 13, light guide plate 20 and framework 10, according in Figure 13
Orientation from the point of view of, light-emitting section 40 locating convex block 111 topmost is then inserted in framework 10 from upper past
In 3rd locating slot 112 of lower number, make compared with Figure 13 with Figure 12, light guide plate 20 relative to
Light-emitting section 40 moves along third direction X3, and makes the second light in part 23a of light guide plate 20 relative
Move along third direction X3 in light-emitting component 42, say, that increase light-emitting component 42 He
Distance between second light in part 23a of light guide plate 20, so change light guide plate 20 enter light
Enter light at face 21, and finally change the light-out effect of light guide plate 20 exiting surface 22.
It should be noted that in the 3rd to the 5th embodiment of the present invention, locating slot and convex
The position of block can exchange, and i.e. in the third and fourth embodiment, locating slot 91,101 can set
On framework 10, locating convex block 92,102 is then located on light guide plate 20, in the 5th embodiment
In, locating slot 111 can be located on light guide plate 20, and locating convex block 112 can be located at framework 10
On.It addition, in the present invention first to fourth embodiment, depressed part 23 is trapezoidal, permissible
Understanding, in other embodiments of the invention, depressed part 23 can also be other shape, example
Such as rectangle, as long as ensureing to make light-emitting section 40 can have influence on the relative change in location of light guide plate 20
Incidence surface 21 enter light effect.In the present invention the 4th and the 5th embodiment, light guide plate 20
Incidence surface 21 be the nonplanar structure including protuberance and depressed part, it is possible to understand that,
In four and the 5th embodiment, the incidence surface 21 of light guide plate 20 can also be plane.
To sum up, in the backlight module of the present invention, by utilizing location structure by light-emitting section or leaded light
Plate location to the most different location gear, make light guide plate and light-emitting section one of them relative light guide plate and
Light-emitting section wherein another moves along a first direction or a second direction or a third direction, and change
Become between light-emitting component and the incidence surface of light guide plate in the first direction or second direction or third direction
Relative position, thus change the light effect that enters of light guide plate, and do not changing light-emitting component and leaded light
Change the light-out effect of backlight module in the case of plate, make the backlight module of the present invention utilize same
Light-emitting component can provide different light-out effect or utilize different light-emitting components to reach
To same light-out effect, add the range of backlight module of the present invention.
Above, be only presently preferred embodiments of the present invention, not the present invention is made any in form
Restriction, although the present invention is disclosed above with preferred embodiment, but is not limited to this
Bright, any those skilled in the art, in the range of without departing from technical solution of the present invention, when
The technology contents of available the disclosure above is made a little change or is modified to the equivalence of equivalent variations in fact
Execute example, as long as being without departing from technical solution of the present invention content, according to the present invention technical spirit to
Any simple modification, equivalent variations and the modification that upper embodiment is made, all still falls within the technology of the present invention
In the range of scheme.
Claims (9)
1. a backlight module, including light guide plate and light-emitting section, the incidence surface shape of described light guide plate
One side of light guide plate described in Cheng Yu, described light-emitting section includes wiring board and is located on wiring board
Multiple light-emitting components, described light-emitting component is relative with the incidence surface of described light guide plate, it is characterised in that
Spaced multiple depressed part and the most described depression it is formed with on the incidence surface of described light guide plate
Multiple protuberances in portion, described protuberance has one first light in part, and described depressed part has one
Two light in part, described first light in part is parallel to described second light in part, and described backlight module also wraps
Including for positioning described light-emitting section or the location structure of described light guide plate, described location structure has many
Individual different location gear, described location structure is by positioning described light-emitting section or described light guide plate
To the most different location gear, make one of them of described light guide plate and described light-emitting section relative described in lead
Tabula rasa and described light-emitting section wherein another moves along a specific direction, and change described light-emitting component
And along the relative position of described specific direction between described second light in part of described light guide plate.
2. backlight module as claimed in claim 1, it is characterised in that described location structure bag
Include multiple graduation marks that wherein one end of described wiring board is arranged along a first direction, and described in lead
One locating surface of the close described graduation mark of tabula rasa, described location structure is by making described locating surface pair
The most different graduation marks and described light guide plate or described light-emitting section are positioned to the most different location gears.
3. backlight module as claimed in claim 1, it is characterised in that described location structure bag
Include described wiring board along the hole, multiple location that a first direction is arranged, and the one of described backlight module
Multiple locating dowels that on individual backboard, hole, corresponding described location is arranged, described location structure is by by described
Location borehole jack is located at different locating dowel peripheries and is positioned described light-emitting section to the most different positionings
Position.
4. backlight module as claimed in claim 1, it is characterised in that described location structure bag
Include on the another side relative with described incidence surface of described light guide plate along a first direction setting
Corresponding described location on multiple locating slots or locating convex block, and a framework of described backlight module
Multiple locating convex blocks that groove or locating convex block are arranged or locating slot, described location structure is by by described
By described light guide plate location to different positionings in locating convex block is inserted in different locating slots
Position.
5. backlight module as claimed in claim 1, it is characterised in that described location structure bag
Include on the another side relative with described incidence surface of described light guide plate along a second direction setting
Corresponding described location on multiple locating slots or locating convex block, and a framework of described backlight module
Multiple locating convex blocks that groove or locating convex block are arranged or locating slot, described location structure is by by described
By described light guide plate location to different positionings in locating convex block is inserted in different locating slots
Position.
6. backlight module as claimed in claim 1, it is characterised in that described location structure bag
Including arranges many along a third direction on the side perpendicular with described incidence surface of described light guide plate
Corresponding described locating slot on individual locating slot or locating convex block, and a framework of described backlight module
Locating convex block arrange multiple locating convex blocks or locating slot, described location structure is by by described fixed
By described light guide plate location to different location gears in position projection is inserted in different locating slots.
7. backlight module as claimed in claim 1, it is characterised in that described depressed part is ladder
Shape or rectangle.
8. backlight module as claimed in claim 1, it is characterised in that described specific direction bag
Include the length direction of described light guide plate, the width of described light guide plate and the thickness of described light guide plate
Direction.
9. backlight module as claimed in claim 1, it is characterised in that described wiring board is laid
On the loading end paralleled with the exiting surface of described light guide plate, described light-emitting component sets dispersedly
It is placed on the surface away from described loading end of described wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310381886.4A CN103453402B (en) | 2013-08-28 | 2013-08-28 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310381886.4A CN103453402B (en) | 2013-08-28 | 2013-08-28 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103453402A CN103453402A (en) | 2013-12-18 |
| CN103453402B true CN103453402B (en) | 2016-09-14 |
Family
ID=49736069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310381886.4A Active CN103453402B (en) | 2013-08-28 | 2013-08-28 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103453402B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169867A (en) * | 2017-12-27 | 2018-06-15 | 宿州市朗欣实业有限公司 | A kind of mobile phone light guide panel of direction-adjustable |
| CN208076752U (en) * | 2018-04-20 | 2018-11-09 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN109727550B (en) * | 2019-01-11 | 2021-11-19 | 恒明星光智慧文化科技(深圳)有限公司 | Lamp box device capable of interacting with human body and interaction method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434988C (en) * | 2004-02-16 | 2008-11-19 | 西铁城电子股份有限公司 | Light guide plate |
| JP2006012422A (en) * | 2004-06-22 | 2006-01-12 | Matsushita Electric Ind Co Ltd | Surface light source and liquid crystal display device using the same |
| CN100501518C (en) * | 2005-07-21 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Light conductive plate and back light module |
| CN100510897C (en) * | 2006-07-28 | 2009-07-08 | 北京京东方光电科技有限公司 | Side light type backlight modular unit |
| JP5190735B2 (en) * | 2008-03-06 | 2013-04-24 | Ｎｌｔテクノロジー株式会社 | Backlight and liquid crystal display device |
| WO2010044300A1 (en) * | 2008-10-14 | 2010-04-22 | シャープ株式会社 | Liquid crystal display device |
| CN201875535U (en) * | 2010-08-26 | 2011-06-22 | 北京京东方光电科技有限公司 | Backlight module and LCD (Liquid crystal display) |
| CN102287761B (en) * | 2011-08-18 | 2012-11-21 | 深圳市华星光电技术有限公司 | Light guide plate positioning piece and corresponding backlight module |
-
2013
- 2013-08-28 CN CN201310381886.4A patent/CN103453402B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103453402A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202995196U (en) | Liquid crystal displaying device and electronic equipment | |
| CN104456282A (en) | Backlight assembly and display including the same | |
| CN102879951A (en) | Display device, electronic apparatus and lighting device | |
| CN202972765U (en) | Illuminating device, display device and electronic equipment | |
| WO2014042063A1 (en) | Illumination device, display device and television receiver | |
| CN203101779U (en) | Liquid crystal display device and electronic apparatus | |
| CN103453402B (en) | Backlight module | |
| CN203811947U (en) | Backlight module and displaying device | |
| US10203448B1 (en) | Backlight assembly, backlight module and display device | |
| US20160320552A1 (en) | Backlight unit and a display | |
| CN108873146A (en) | display device | |
| JP5662952B2 (en) | Lighting device, display device, and television receiver | |
| CN105190154B (en) | Lighting apparatus, display apparatus, and television receiving apparatus | |
| TWI494653B (en) | Display apparatus | |
| CN107559609A (en) | Planar illuminating device and substrate | |
| US8770822B2 (en) | Backlight module and a backlight device | |
| US20110051048A1 (en) | Backlight unit and display device using the same | |
| CN111402723B (en) | Backlight module | |
| CN103162161B (en) | Backlight module and liquid crystal display device | |
| CN103899979A (en) | Light source module, backlight module and liquid crystal display device | |
| CN203010363U (en) | Lighting device, liquid crystal display device and electronic apparatus | |
| US20120236592A1 (en) | Display apparatus including light guide plate coupling member | |
| KR20140076723A (en) | Light reflector, back light unit having the same, and display device having thereof | |
| CN103472524B (en) | A kind of light guide plate and backlight module | |
| US9453959B2 (en) | Backlight unit and display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |