CN207946629U - Side-in backlight module, liquid crystal display screen and terminal equipment - Google Patents
Side-in backlight module, liquid crystal display screen and terminal equipment Download PDFInfo
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- CN207946629U CN207946629U CN201820483783.7U CN201820483783U CN207946629U CN 207946629 U CN207946629 U CN 207946629U CN 201820483783 U CN201820483783 U CN 201820483783U CN 207946629 U CN207946629 U CN 207946629U
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- light
- reflector plate
- face
- side entrance
- back module
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a side income formula backlight unit, LCD and terminal equipment, wherein, side income formula backlight unit includes: a reflective sheet; the two light bars are respectively arranged on two sides of the reflector plate along the length direction of the reflector plate, and a plurality of light source bodies are arranged on the light bars at intervals; the light guide columns are arranged between the two light bars at intervals, and the light incident surfaces at two ends of the light guide columns along the length direction of the light guide columns are respectively connected with the light source bodies on the two light bars; one side of the light guide column close to the reflector is provided with a plurality of light conversion dots at intervals, and the light conversion dots are bulges convexly arranged towards the reflector or grooves concavely arranged towards the inside of the light guide column. Through set up the structure for a plurality of light conversion sites of arch or recess in the one side that the leaded light post is close to the reflector plate, can jet out light conversion wide angle's face light. Compared with the prior art, the utility model discloses a side income formula backlight unit light-emitting is even, and the quantity of the light source body reduces relatively, low in production cost.
Description
Technical field
The utility model is related to liquid crystal display technical field more particularly to a kind of side entrance back module and include the side
Enter the liquid crystal display and terminal device of formula backlight module.
Background technology
With the fast development of LCD technology, the LED (Light as one of backlight of LCD
Emitting Diode, light emitting diode) because its slimming, energy saving and mercury-free the advantages of, city accounts for rate and persistently climbs to a higher point, and
It is widely used in side entrance back module.
Existing side entrance back module includes LED light bar and reflector plate etc., wherein LED light bar is located at the side of reflector plate
Side is covered with lens outside the lamp bead in LED light bar, can expand the light emitting angle of LED by lens, but lens send out LED
The dispersion angle of light out is limited, uneven so as to cause light extraction, and the existing mode for solving the problems, such as this is using more
LED, however increasing for LED quantity will lead to side entrance back module the production cost increases.
Utility model content
The be designed to provide a kind of side entrance back module, liquid crystal display and terminal of the utility model embodiment are set
It is standby, uniform in light emission, and production cost is low.
In order to achieve the above object, the utility model embodiment uses following technical scheme：
On the one hand, the utility model embodiment provides a kind of side entrance back module, including：
Reflector plate；
Two lamp bars, two lamp bars set up the both sides in the reflector plate along its length separately, in the lamp bar between
Every being provided with several light source bodies；
Several light-guiding pillars, several light-guiding pillars are arranged at intervals between two lamp bars, and the light-guiding pillar is grown along it
The incidence surface for spending the both ends in direction is connect with the light source body in two lamp bars respectively；
The light-guiding pillar is arranged at intervals with several light close to the side of the reflector plate and converts site, and the light converts site
For towards the protrusion of the reflector plate projection or towards recessed groove inside the light-guiding pillar.
As a kind of preferred embodiment of side entrance back module, several light conversion sites are evenly arranged, and are led by described
Towards at light-guiding pillar center along its length, the size of light conversion site gradually increases the incidence surface of light beam.
As a kind of preferred embodiment of side entrance back module, by the incidence surface of the light-guiding pillar towards the light-guiding pillar edge
At the center of its length direction, the density of light conversion site gradually increases.
As a kind of preferred embodiment of side entrance back module, along the length direction of the lamp bar, the two neighboring light
It is equal to convert the distance between site.
As a kind of preferred embodiment of side entrance back module, the incidence surface offers holding tank, the light source position
In in the holding tank.
As a kind of preferred embodiment of side entrance back module, the light-guiding pillar has close to the first face of the reflector plate
The second face being connect with first face, first face are plane, and light conversion site is arranged on first face,
Second face is curved surface.
As a kind of preferred embodiment of side entrance back module, second face is semicircle cambered surface.
Further include backboard as a kind of preferred embodiment of side entrance back module, the backboard is arranged in the reflector plate
Side far from light-guiding pillar is provided with mounting groove of the opening portion towards the reflector plate, the reflector plate installation on the backboard
In the slot bottom of the mounting groove, two lamp bars are respectively arranged on two opposite end faces of the opening portion.
On the other hand, the utility model embodiment provides a kind of liquid crystal display comprising the side entrance back mould
Group.
In another aspect, the utility model embodiment provides a kind of terminal device comprising the side entrance back module.
The utility model embodiment has the beneficial effect that：By the way that a monoblock light guide plate is dispersed into several independent leaded lights
The incidence surface of column, each light-guiding pillar both ends is connect with the light source body of both sides respectively, and is set close to the side of reflector plate in light-guiding pillar
It is that raised or groove several light convert site to set structure, under the action of light converts site and reflector plate, can make incidence
Total reflection, diffusing reflection and refraction are generated into the light in light-guiding pillar, wide-angle face light is finally converted light into and projects, with
Obtain uniform picture.Compared with prior art, the side entrance back module of the utility model embodiment has wide-angle face
The quantity of light, uniform in light emission, and light source body is opposite to be reduced, to reduce the cost of side entrance back module.
Description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the decomposition diagram at the first visual angle of the side entrance back module described in the utility model embodiment.
Fig. 2 is the close-up schematic view of the parts I in Fig. 1.
Fig. 3 is the decomposition diagram at the second visual angle of the side entrance back module described in the utility model embodiment.
In figure：
10, reflector plate；20, lamp bar；30, light-guiding pillar；31, light converts site；32, holding tank；40, backboard；41, it installs
Slot.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 3, the embodiments of the present invention provide a kind of side entrance back module, including：Reflector plate 10；
Two lamp bars 20, two lamp bars 20 set up the both sides in reflector plate 10 along its length separately, are arranged at intervals in lamp bar 20 several
Light source body；Several light-guiding pillars 30, several light-guiding pillars 30 are arranged at intervals between two lamp bars 20, and light-guiding pillar 30 is along its length
The incidence surface at both ends connect respectively with the light source body in two lamp bars 20；Light-guiding pillar 30 is set close to the side interval of reflector plate 10
It is equipped with several light conversions site 31, it is the raised (not shown) or direction towards 10 projection of reflector plate that light, which converts site 31,
The recessed groove in 30 inside of light-guiding pillar.As depicted in figs. 1 and 2, light conversion site 31 is towards recessed recessed in the inside of light-guiding pillar 30
Slot, specifically, the groove are circular configuration, and certainly, groove can also be rectangular configuration or spherical structure.The present embodiment
In, by the way that a monoblock light guide plate is dispersed into several independent light-guiding pillars 30, the incidence surface at 30 both ends of each light-guiding pillar respectively with
The light source body of both sides connects, and in light-guiding pillar 30 close to several light that the side setting structure of reflector plate 10 is protrusion or groove
Site 31 is converted, under the action of light converts site 31 and reflector plate 10, the incident light into light-guiding pillar 30 can be made to generate
Total reflection, diffusing reflection and refraction finally convert light into face light and project, to obtain uniform picture.With the prior art
It compares, the quantity of the light source body of the present embodiment is opposite to be reduced, to reduce the cost of side entrance back module.
In the present embodiment, light source body LED, it is of course also possible to use other lamp beads.
In the present embodiment, the outer cup of light source body is equipped with lens (not shown), can increase light to a certain extent
The divergence of beam angle of source body.
In the present embodiment, the reflectivity of reflector plate 10 is 95%~99.9%, can improve the light source body in lamp bar 20
The efficiency of light energy utilization.
In one preferred embodiment of the utility model, several light conversions site 31 is evenly arranged, by entering for light-guiding pillar 30
Towards at the center along its length of light-guiding pillar 30, the size of light conversion site 31 gradually increases smooth surface, can be converted with light
For uniform face light, the uniformity of picture is further increased.
In another preferred embodiment of the utility model, by the incidence surface of light-guiding pillar 30 towards light-guiding pillar 30 along its length
At the center in direction, the density of light conversion site 31 gradually increases, and uniform face light can be equally converted to light, further
Improve the uniformity of picture.
Wherein, along the length direction of lamp bar 10, the distance between two neighboring light conversion site 31 is equal, to make conversion
The light intensity of the entire surface of face light afterwards is consistent.
Preferably, incidence surface offers holding tank 32, and light source body is located in holding tank 32.In the present embodiment, light source position
In in holding tank 32, the light that light source body is sent out can be made to fully enter in light-guiding pillar 30, avoid generating light leakage phenomena.
Optionally, light-guiding pillar 30 has close to the first face of reflector plate 10 and the second face being connect with the first face, the first face
For plane, light converts the setting of site 31 on the first face, and the second face is curved surface, and the light that light source body is sent out is in reflector plate 10 and sets
Under the collective effect for setting light conversion site 31 on the first face, the angle of coverage of transformed face light can be improved, and cover
The light intensity of face light within the scope of lid is consistent.
Preferably, the second face is arc surface, can further increase the angle of coverage of transformed face light, make through leaded light
The face light that column 30 projects is evenly.
The side entrance back module of the present embodiment further includes backboard 40, and backboard 40 is arranged in reflector plate 10 far from light-guiding pillar 30
Side, be provided with mounting groove 41 of the opening portion towards reflector plate 10 on backboard 40, reflector plate 10 is installed on the slot of mounting groove 41
Bottom, two lamp bars 20 are respectively arranged on two opposite end faces of opening portion, to make mounting groove 41 form an optical cavity.
Under the action of reflector plate 10 and light conversion site 31, the efficiency of light energy utilization in the optical cavity can be fully improved.
The embodiments of the present invention also provide a kind of liquid crystal display comprising the side entering type of any of the above-described embodiment is carried on the back
Optical mode group.
The embodiments of the present invention also provide a kind of terminal device comprising the side entrance back of any of the above-described embodiment
Module.
It is to be understood that above-mentioned specific implementation mode is only the preferred embodiment and institute's application technology of the utility model
Principle, in technical scope disclosed in the utility model, what any one skilled in the art was readily apparent that
Change or replacement should all be covered within the protection scope of the present utility model.
The utility model is illustrated above by specific embodiment, but the utility model is not limited to these tools
The embodiment of body.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation can also be done to the utility model
Etc..But these transformation should be all within the protection scope of the utility model without departing from the spirit of the utility model.
In addition, some terms used in present specification and claims are not limitation, it is only for convenient for description.
Claims (10)
1. a kind of side entrance back module, which is characterized in that including：
Reflector plate；
Two lamp bars, two lamp bars set up the both sides in the reflector plate along its length separately, are spaced and set in the lamp bar
It is equipped with several light source bodies；
Several light-guiding pillars, several light-guiding pillars are arranged at intervals between two lamp bars, and the light-guiding pillar is square along its length
To the incidence surface at both ends connect respectively with the light source body in two lamp bars；
The light-guiding pillar is arranged at intervals with several light close to the side of the reflector plate and converts site, and the light converts site as court
To the protrusion of the reflector plate projection or towards recessed groove inside the light-guiding pillar.
2. side entrance back module according to claim 1, which is characterized in that several light convert the uniform cloth in site
It sets, the center by the incidence surface of the light-guiding pillar towards the light-guiding pillar along its length, the ruler of light conversion site
Very little gradual increase.
3. side entrance back module according to claim 1, which is characterized in that by the incidence surface of the light-guiding pillar towards institute
It states at the center of light-guiding pillar along its length, the density of light conversion site gradually increases.
4. side entrance back module according to claim 1, which is characterized in that adjacent along the length direction of the lamp bar
The distance between two light conversion sites are equal.
5. side entrance back module according to claim 1, which is characterized in that the incidence surface offers holding tank, institute
Light source body is stated to be located in the holding tank.
6. side entrance back module according to claim 1, which is characterized in that the light-guiding pillar has close to the reflection
First face of piece and the second face being connect with first face, first face are plane, and light conversion site is arranged in institute
It states on the first face, second face is curved surface.
7. side entrance back module according to claim 6, which is characterized in that second face is semicircle cambered surface.
8. side entrance back module according to any one of claims 1 to 7, which is characterized in that further include backboard, the back of the body
Plate, which is arranged on side of the reflector plate far from light-guiding pillar, the backboard, is provided with installation of the opening portion towards the reflector plate
Slot, the reflector plate are installed on the slot bottom of the mounting groove, and two lamp bars are respectively arranged in two phases of the opening portion
To end face on.
9. a kind of liquid crystal display, which is characterized in that including claim 1 to 8 any one of them side entrance back module.
10. a kind of terminal device, which is characterized in that including claim 1 to 8 any one of them side entrance back module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483783.7U CN207946629U (en) | 2018-04-04 | 2018-04-04 | Side-in backlight module, liquid crystal display screen and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483783.7U CN207946629U (en) | 2018-04-04 | 2018-04-04 | Side-in backlight module, liquid crystal display screen and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946629U true CN207946629U (en) | 2018-10-09 |
Family
ID=63698562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820483783.7U Active CN207946629U (en) | 2018-04-04 | 2018-04-04 | Side-in backlight module, liquid crystal display screen and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946629U (en) |
-
2018
- 2018-04-04 CN CN201820483783.7U patent/CN207946629U/en active Active
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