CN209373301U - A kind of light guide plate light source integral structure and down straight aphototropism mode set - Google Patents
A kind of light guide plate light source integral structure and down straight aphototropism mode set Download PDFInfo
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- CN209373301U CN209373301U CN201920142866.4U CN201920142866U CN209373301U CN 209373301 U CN209373301 U CN 209373301U CN 201920142866 U CN201920142866 U CN 201920142866U CN 209373301 U CN209373301 U CN 209373301U
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- guide plate
- light
- light guide
- light source
- integral structure
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Abstract
The utility model discloses a kind of light guide plate light source integral structure and down straight aphototropism mode set, including: includes: light guide plate and the light source that the light guide plate bottom is arranged in, the light source includes wiring board and the LED light that is welded on the wiring board, for the light source in the light guide plate, the light guide plate and light source are integrated injection molding.The utility model reduces the thickness of backlight module under the premise of suitably increasing light mixing effect, and light utilization efficiency improves.And appearance pore structure is set relative to LED location is corresponded in light guide plate, integrated injection molding structure improves the coupling efficiency of LED and light guide plate.Simultaneously because light conducting plate structure makes it have more into glue position, light guide plate the injection forming process can be kept simple to operation simultaneously from multiple glue-feeders into glue.
Description
Technical field
The utility model relates to field of liquid crystal display more particularly to a kind of light guide plate light source integral structures and direct-type backlight
Mould group.
Background technique
Backlight is divided into direct-light-type backlight and side-edge type backlight.Traditional side-edge type backlight because its light loss compared with
It is more, not can be carried out local area control and be relatively difficult to resolve certainly be applied to large scale backlight module when the technical issues of the defects of so that it is answered
It is limited with range.Direct-light-type backlight realizes that bright show slinkingly in partial region is shown by the switch of Partial controll LED, can be greatly lowered
Power consumption of screen promotes contrast, realizes dynamic HDR.Moreover, direct-light-type backlight has high luminance, good light visual angle, light out
The advantages that utilization rate height, simple structure.Therefore, either mobile phone or other large size liquid crystal displays is all more likely to make
Use direct-light-type backlight.
But because the LED light mixing distance of direct-light-type backlight is very short, about 0.3mm, and the spacing between LED arrangement
Cannot be too big, it is otherwise easy dot matrix effect occur in light-emitting surface, influences mould group light efficiency.LED light and light guide plate can be because tie simultaneously
Structure is not smooth enough, and gap setting is inaccurate between lamp and lamp, causes alignment precision not high, both coupling efficiency was not high.Traditional bottom
Luminous backlight source is not suitable for mobile display device because thickness is larger, it is necessary to accomplish that the lightening market that just adapts to of mould group needs
It asks.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of light guide plate light source integral structure and it is straight under
Formula backlight module reduces the thickness of backlight module while improving light utilization efficiency, and the coupling for increasing LED light and light guide plate is imitated
Rate.
The technical solution of the utility model is as follows: providing a kind of light guide plate light source integral structure, comprising: light guide plate and
The light source of the light guide plate bottom is set, the light source includes wiring board and the LED light that is welded on the wiring board,
For the light source in the light guide plate, the light guide plate and light source are integrated injection molding.
Further, the light-emitting surface of the light guide plate is equipped with v-cut slot structure.
Further, the wiring board is FPC or PCB, and the bottom FPC is equipped with stiffening plate.
Further, the LED light uses blue-light LED chip, the light-emitting surface of the light guide plate be equipped with one layer of quantum film or
Fluorescent powder membrane.
Further, the LED light uses White-light LED chip.
Further, wiring board welding LED light posts reflectance coating or white covering film on one side, the reflectance coating or
White covering film is equipped with micro-structure, and the micro-structure is lattice point structure or groove structure.
Further, the light guide plate is equipped with barricade, two sides or out light of the dams setting in the light-emitting surface of light guide plate
The surrounding in face.
The utility model also provides a kind of down straight aphototropism mode set, including light guide plate light source integral structure as described above,
It further include the bottom plate below the light guide plate light source integral structure, the light above the light guide plate light source integral structure
Diaphragm is learned, on the bottom plate and is located at the glue frame on the light guide plate light source integral structure and optical diaphragm periphery and covers
The shading glue being placed in the glue frame.
The utility model also provides a kind of down straight aphototropism mode set, including light guide plate light source integral structure as described above,
Further include bottom plate below the light guide plate light source integral structure, on the light guide plate light source integral structure and be located at
Optical diaphragm in the barricade and fit in plane and lateral surface and bottom plate with the barricade on the light guide plate barricade
The shading glue of bottom surface fitting.
Using the above scheme, the utility model reduces the thickness of backlight module under the premise of suitably increasing light mixing effect
Degree, light utilization efficiency improve.And appearance pore structure is set relative to LED location is corresponded in light guide plate, integrated injection molding structure improves LED and leads
The coupling efficiency of tabula rasa.Simultaneously because light conducting plate structure make it have it is more into glue position, can simultaneously from multiple glue-feeders into glue,
Keep light guide plate the injection forming process simple to operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the back light module unit structure schematic diagram that light guide plate does not set barricade.
Fig. 3 is the back light module unit structure schematic diagram that light guide plate is equipped with barricade.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to Fig. 1, the utility model provides a kind of light guide plate light source integral structure, comprising: light guide plate 10 and setting
Light source 20 in the light guide plate bottom, the light source 20 include wiring board 21 and the LED being welded on the wiring board 21
Lamp 22, for the light source 20 in the light guide plate 10, the light guide plate 10 is integrated injection molding with light source 20.Relative to
Light guide plate corresponds to LED light position and sets appearance pore structure, and integrated injection molding structure improves the coupling efficiency of LED light 22 and light guide plate 10.Together
When, the light guide plate 10 in down straight aphototropism mode set can be more into the position of glue, can also improve from several glue-feeders simultaneously into glue
Production efficiency, and light will not be utilized and be impacted.
The light-emitting surface of the light guide plate 10 is equipped with v-cut slot structure.
The wiring board 21 is FPC or PCB, and the bottom FPC is equipped with stiffening plate, increases the intensity of wiring board 21.
The LED light 22 can use White-light LED chip.The LED light 22 can also use blue-light LED chip, when adopting
When with blue-light LED chip, the light-emitting surface of light guide plate 10 is equipped with one layer of quantum film or fluorescent powder membrane.
The welding of wiring board 21 LED light 22 posts reflectance coating or white covering film, the reflectance coating or white on one side
Cover film is equipped with micro-structure, and the micro-structure is lattice point structure or groove structure, and the micro-structure plays the role of reflected light,
Improve the utilization rate of light.
Embodiment one:
Referring to Fig. 2, the utility model also provides a kind of down straight aphototropism mode set, including light guide plate light source as described above
Integral structure further includes the bottom plate 30 being set to below the light guide plate light source integral structure, is set to the light guide plate light source one
The optical diaphragm 40 of body superstructure is set on the bottom plate 30 and is located at the light guide plate light source integral structure and optical diaphragm
The glue frame 60 on 40 peripheries and the shading glue 50 being covered in the glue frame 60.Back light module unit structure passes through glue frame 60, shading glue
50 is fixed by light guide plate and light source integral structure, bottom plate 30, optical diaphragm 40.
Embodiment two:
Referring to Fig. 3, the utility model also provides another down straight aphototropism mode set, not with above-mentioned down straight aphototropism mode set
With this down straight aphototropism mode set includes light guide plate light source integral structure as described above, this light guide plate light source integral structure
Including light guide plate 10, the light guide plate 10 be equipped with barricade 11, the barricade 11 be arranged in the light-emitting surface of light guide plate 10 two sides or
The surrounding of light-emitting surface, barricade 11 replace the effect of glue frame in embodiment one.This down straight aphototropism mode set further includes being set to described lead
Bottom plate 30 below tabula rasa light source integral structure, the light on the light guide plate light source integral structure and in the barricade
Learn diaphragm 40 and fit on 10 barricade 11 of light guide plate plane and with 30 bottom surface of the lateral surface of the barricade 11 and bottom plate
The shading glue 51 of fitting.Light guide plate 10 is equipped with barricade 11, turns down bound edge for light guide plate and light source by barricade 11 and shading glue 51
Integral structure, bottom plate 30, optical diaphragm 40 are fixed.The width of glue frame 60 is saved, suitably frame can be made to narrow, screen is improved and accounts for
Than.Shading glue 51 can be inner ultrawhite black at this time, i.e., be white towards light guide plate 11,40 side of optical diaphragm, increase the utilization of light
Rate；The other side is black, has led interception.
In conclusion the utility model reduces the thickness of backlight module, light under the premise of suitably increasing light mixing effect
Utilization rate improves.And appearance pore structure is set relative to LED location is corresponded in light guide plate, integrated injection molding structure improves LED and light guide plate
Coupling efficiency.Simultaneously because light conducting plate structure makes it have more into glue position, can make to lead simultaneously from multiple glue-feeders into glue
Tabula rasa the injection forming process is simple to operation.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (9)
1. a kind of light guide plate light source integral structure characterized by comprising light guide plate and setting are in the light guide plate bottom
Light source, the light source includes wiring board and the LED light that is welded on the wiring board, and the light source is embedded in described lead
Tabula rasa bottom, the light guide plate and light source are integrated injection molding.
2. a kind of light guide plate light source integral structure according to claim 1, which is characterized in that the light-emitting surface of the light guide plate
Equipped with v-cut slot structure.
3. a kind of light guide plate light source integral structure according to claim 1, which is characterized in that the wiring board be FPC or
PCB, the bottom FPC are equipped with stiffening plate.
4. a kind of light guide plate light source integral structure according to claim 1, which is characterized in that the LED light uses blue light
The light-emitting surface of LED chip, the light guide plate is equipped with one layer of quantum film or fluorescent powder membrane.
5. a kind of light guide plate light source integral structure according to claim 1, which is characterized in that the LED light uses white light
LED chip.
6. a kind of light guide plate light source integral structure according to claim 1, which is characterized in that the wiring board welds LED
Lamp posts reflectance coating or white covering film on one side, and the reflectance coating or white covering film are equipped with micro-structure, the micro-structure
For lattice point structure or groove structure.
7. a kind of light guide plate light source integral structure according to any one of claims 1 to 6, which is characterized in that the leaded light
Plate is equipped with barricade, and the dams setting is in the two sides of the light-emitting surface of light guide plate or the surrounding of light-emitting surface.
8. a kind of down straight aphototropism mode set, which is characterized in that including light guide plate light source one as claimed in any one of claims 1 to 6
Body structure further includes the bottom plate being set to below the light guide plate light source integral structure, is set to the light guide plate light source integral structure
The optical diaphragm of top, the glue on the bottom plate and positioned at the light guide plate light source integral structure and optical diaphragm periphery
Frame and the shading glue being covered in the glue frame.
9. a kind of down straight aphototropism mode set, which is characterized in that including light guide plate light source integral structure as claimed in claim 7,
Further include bottom plate below the light guide plate light source integral structure, on the light guide plate light source integral structure and be located at
Optical diaphragm in the barricade and fit in plane and lateral surface and bottom plate with the barricade on the light guide plate barricade
The shading glue of bottom surface fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142866.4U CN209373301U (en) | 2019-01-25 | 2019-01-25 | A kind of light guide plate light source integral structure and down straight aphototropism mode set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142866.4U CN209373301U (en) | 2019-01-25 | 2019-01-25 | A kind of light guide plate light source integral structure and down straight aphototropism mode set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373301U true CN209373301U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920142866.4U Active CN209373301U (en) | 2019-01-25 | 2019-01-25 | A kind of light guide plate light source integral structure and down straight aphototropism mode set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437181A (en) * | 2022-09-21 | 2022-12-06 | 伟志光电（深圳）有限公司 | Light source component, backlight module and production method of backlight module |
-
2019
- 2019-01-25 CN CN201920142866.4U patent/CN209373301U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437181A (en) * | 2022-09-21 | 2022-12-06 | 伟志光电（深圳）有限公司 | Light source component, backlight module and production method of backlight module |
| CN115437181B (en) * | 2022-09-21 | 2024-02-09 | 伟志光电（深圳）有限公司 | Light source assembly, backlight module and production method of backlight module |
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