CN206946159U - A kind of backlight module and interactive intelligent tablet computer - Google Patents
A kind of backlight module and interactive intelligent tablet computer Download PDFInfo
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- CN206946159U CN206946159U CN201720887612.6U CN201720887612U CN206946159U CN 206946159 U CN206946159 U CN 206946159U CN 201720887612 U CN201720887612 U CN 201720887612U CN 206946159 U CN206946159 U CN 206946159U
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- groove
- backlight module
- light guide
- guide plate
- reflector plate
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Abstract
It the utility model is related to display device technical field, disclose a kind of backlight module and interactive intelligent tablet computer, backlight module includes light emitting source and the light guide plate and reflector plate of stacking, the edge of light guide plate is provided with the first groove through its front and rear surfaces, the reflector plate position corresponding with the first groove is provided with the second groove through its front and rear surfaces, and forward projection of the edge of the first groove on reflector plate is located in the second groove.By setting the second groove through its front and rear surfaces on the reflector plate position corresponding with the first groove of light guide plate, and forward projection of the edge of the first groove on reflector plate is set to be located in the second groove, so as to avoid light from converging to form speck in the first groove due to the reflection of reflector plate when being radiated at the first groove of light guide plate, effectively to prevent speck from entering the visible area of LCDs, and then ensure that LCDs has good picture visual effect.
Description
Technical field
Display device technical field is the utility model is related to, more particularly to a kind of backlight module and interactive intelligent tablet computer.
Background technology
With the arrival of informationized society, liquid crystal display as a kind of exportable image or feel information equipment, with
The characteristics of its large information capacity and high density Fast transforms are shown and be widely used in every field.
LCDs is a kind of passive light-emitting component, and itself does not light, but the back of the body for passing through liquid crystal display
Optical mode group provides sufficient and uniform light source.Backlight module is mainly by structures such as light emitting source, light guide plate, reflector plate and plastic frames
Into the light source to shine in is converted to area source by it by light guide plate, so as to illuminate whole LCDs；Also, pass through
The light that light guide plate bottom is spilt is reflected back in light guide plate by the reflector plate for being placed on light guide plate bottom, to increase the utilization rate of light.
But because the edge of existing light guide plate is typically provided groove, and recess region can not be polished, and cause to shine
The light penetrated on the groove of light guide plate is through reflector plate multiple reflections in a groove, so as to cause the light for being radiated at the recess region
Congruence combinate form is into speck and enters the visible area of LCDs, and then causes the picture visual effect of LCDs bad.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and interactive intelligent tablet computer, to solve existing backlight module
Light guide plate is because light collection forms speck on the groove of light guide plate, and the speck enters the visible area of LCDs
Technical problem, to ensure that LCDs has good picture visual effect.
In order to solve the above-mentioned technical problem, the utility model provides a kind of backlight module, including light emitting source and stacking
Light guide plate and reflector plate, the light emitting source are connected to the leaded light located at the lower section of the bottom of the light guide plate, the reflector plate
On the rear wall of plate；The edge of the light guide plate be provided with through its front and rear surfaces the first groove, the reflector plate with it is described
The corresponding position of first groove is provided with the second groove through its front and rear surfaces, and the edge of first groove is described
Forward projection on reflector plate is located in second groove.
Preferably, the shape of the cross section of second groove and the cross section of first groove are shaped as
Similar fitgures.
Preferably, the cross section of first groove is shaped as rectangle, the cross section of second groove
Shape is also rectangle.
Preferably, first groove is multiple, and multiple first grooves are symmetrically set in the light guide plate
Left and right edges on.
Preferably, the light emitting source includes LED light bar, and the LED light bar includes pcb board and located at described
Multiple LEDs on the top of pcb board.
Preferably, the LED light bar is 2.
Preferably, block is additionally provided with the top of the pcb board, and the top of the block is higher than the LED
The top of lamp.
Preferably, the distance at the top of the block and the top of the LED is 0.2-0.5mm.
Preferably, the block is multiple, and multiple blocks are laid between multiple LEDs.
To solve identical technical problem, the utility model also provides a kind of interactive intelligent tablet computer, including housing and on
The backlight module stated, the backlight module are connected in the housing.
The utility model provides a kind of backlight module, including light emitting source and the light guide plate and reflector plate of stacking, light guide plate
Edge be provided with the first groove through its front and rear surfaces, the reflector plate position corresponding with the first groove is provided with running through it
Second groove of front and rear surfaces, and forward projection of the edge of the first groove on reflector plate is located in the second groove.By
The second groove through its front and rear surfaces is set on the reflector plate position corresponding with the first groove of light guide plate, and made first recessed
Forward projection of the edge of groove on reflector plate is located in the second groove, so as to avoid light from being radiated at the first groove of light guide plate
When converge to form speck in the first groove due to the reflection of reflector plate, with effectively prevent speck enter LCDs can
Vision area, and then ensure that LCDs has good picture visual effect.
Brief description of the drawings
Fig. 1 is the structural representation of the backlight module in the utility model embodiment；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the schematic diagram of another angle at A in Fig. 1；
Fig. 4 is the partial enlarged drawing at B in Fig. 1.
Wherein, 1, light guide plate；11st, the first groove；2nd, reflector plate；21st, the second groove；3rd, light emitting source；31st, LED light bar；
311st, pcb board；312nd, block；313rd, LED.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
In explanation of the present utility model, the description in the orientation such as upper, lower, left, right, front and rear is limited both for Fig. 1
Fixed, when the modes of emplacement of backlight module changes, the description in its corresponding orientation is also by the change according to modes of emplacement
And change, the utility model will not be described here.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of backlight module of the utility model preferred embodiment, including light emitting source 3 with
And the light guide plate 1 and reflector plate 2 of stacking, the light emitting source 3 connect located at the lower section of the bottom of the light guide plate 1, the reflector plate 2
It is connected on the rear wall of the light guide plate 1；The edge of the light guide plate 1 is provided with the first groove 11 through its front and rear surfaces,
The reflector plate 2 position corresponding with first groove 11 is provided with the second groove 21 through its front and rear surfaces, and institute
Forward projection of the edge of the first groove 11 on the reflector plate 2 is stated to be located in second groove 21.
In the utility model embodiment, pass through the phase of the first groove 11 in the reflector plate 2 and the light guide plate 1
The second groove 21 through its front and rear surfaces is set on corresponding position, and makes the edge of first groove 11 in the reflection
Forward projection on piece 2 is located in second groove 21, so as to avoid light from being radiated at the first groove 11 of the light guide plate 1
When due to the reflector plate 2 reflection and converge to form speck at first groove 11, effectively to prevent speck from entering liquid
The visible area of crystal display screen, and then ensure that LCDs has good picture visual effect.
With reference to shown in Fig. 2 and Fig. 3, during in order to ensure avoiding light from being radiated at first groove 11 of the light guide plate 1
While convergence forms speck, make design and simplify the structure, to reduce cost, it is preferable that second is recessed described in the present embodiment
The shape of the cross section of groove 21 is shaped as similar fitgures with the cross section of first groove 11.Certainly, in the utility model
In embodiment, the shape of the cross section of second groove 21 and the shape of the cross section of first groove 11 can not also be formed
Similar fitgures, only need to meet to be advantageous to avoid light from being radiated at the light guide plate 1 first groove when converge to form speck
, do not do more repeat herein.
In the utility model embodiment, the horizontal stroke of the shape of the cross section of first groove 11 and second groove 21
The shape in section can be set according to actual operation requirements, such as circular, rectangle and trapezoidal.In order that design and it is simple in construction
Change, to reduce cost, it is preferable that the cross section of the first groove 11 is shaped as rectangle described in the present embodiment；Correspondingly, this reality
The shape for applying the cross section of second groove 21 in example is also rectangle.
As shown in figure 1, in order that the structure rationalization of the light guide plate 1, in order to which the light guide plate 1 will shine in
Light source is converted to area source, and the first groove 11 described in the present embodiment is multiple, and multiple first grooves 11 are symmetrically set in
In the left and right edges of the light guide plate 1.
With reference to shown in Fig. 1 and Fig. 4, in order to provide sufficient light source to LCDs, to ensure that LCDs has
Good picture visual effect, light emitting source 3 described in the present embodiment include LED light bar 31, and the LED light bar 31 includes pcb board
311 and multiple LEDs 313 on the top of the pcb board 311.
In the utility model embodiment, the quantity of the LED light bar 31 can be set according to actual operation requirements, and such as 1
Bar, 2 and 3 etc., ensure to meet the LED light bar 31 can to LCDs for sufficient light source while, in order that
Simplify the structure, to reduce cost, it is preferable that the quantity of LED light bar 31 described in the present embodiment is 2.
As shown in figure 3, in order to prevent the light guide plate 1 to come off from smashing the LED 312 of its bottom part down, to enter
One step ensures that the LED light bar 31 can provide sufficient light source, the top of pcb board 311 described in the present embodiment to LCDs
Block 312 is additionally provided with portion, and the top of the block 312 is higher than the top of the LED 313.By in the pcb board
The block 312 is set on 311 top, and the top of the block 312 is higher than the top of the LED 313, so that
The light guide plate 1 that must be come off is pounded on the block 312, and then the light guide plate 1 for preventing from coming off smashes its bottom part down
The LED 312.
In the utility model embodiment, in order to further prevent the light guide plate 1 to come off from smashing its bottom part down
The LED 312, the distance at the top of block 312 described in the present embodiment and the top of the LED 313 is 0.2-
0.5mm.By by the distance controlling at the top of the stopper section 11 and the top of LED 3 in certain scope, to ensure to take off
The light guide plate 1 fallen is directly pounded on the block 312, without pounding the LED 313, so as to avoid damage institute
State LED 313.Preferably, in the utility model embodiment, the top of the block 312 and the top of the LED 313
Distance be 0.4mm.
In the utility model embodiment, in order to further protect the LED 312 without damage, to further ensure that
The LED light bar 31 can provide sufficient light source to LCDs, and block 312 described in the present embodiment is multiple and multiple
The block 312 is laid between multiple LEDs 313.
In order to solve identical technical problem, the utility model also provides a kind of interactive intelligent tablet computer, including housing and
Above-mentioned backlight module, the backlight module are connected in the housing.
To sum up, the utility model provides a kind of backlight module and interactive intelligent tablet computer, backlight module include light emitting source 3 and
The light guide plate 1 and reflector plate 2 of stacking, the edge of light guide plate 1 are provided with the first groove 11 through its front and rear surfaces, reflector plate 2
The position corresponding with the first groove 11 is provided with the second groove 21 through its front and rear surfaces, and the edge of the first groove 11 exists
Forward projection on reflector plate 2 is located in the second groove 21.By corresponding with the first groove 11 of light guide plate 1 in reflector plate 2
Position on the second groove 21 through its front and rear surfaces is set, and make forward direction of the edge of the first groove 11 on reflector plate 2
Projection is in the second groove 21, due to the reflection of reflector plate 2 during so as to avoid light from being radiated at the first groove 11 of light guide plate 1
And converge to form speck at the first groove 11, effectively to prevent speck from entering the visible area of LCDs, and then ensure liquid
Crystal display screen has good picture visual effect.Described above is only preferred embodiment of the present utility model, should be referred to
Go out, for those skilled in the art, can be with the premise of the utility model technical principle is not departed from
Some improvement and replacement are made, these, which improve and replaced, also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of backlight module, it is characterised in that light guide plate and reflector plate including light emitting source and stacking, the light emitting source are set
In the lower section of the bottom of the light guide plate, the reflector plate is connected on the rear wall of the light guide plate；The side of the light guide plate
Edge is provided with the first groove through its front and rear surfaces, and the reflector plate position corresponding with first groove is provided with and passed through
Wear the second groove of its front and rear surfaces, and forward projection of the edge of first groove on the reflector plate is positioned at described the
In two grooves.
2. backlight module as claimed in claim 1, it is characterised in that the shape of the cross section of second groove and described the
The cross section of one groove is shaped as similar fitgures.
3. backlight module as claimed in claim 1, it is characterised in that the cross section of first groove is shaped as rectangle,
The shape of the cross section of second groove is also rectangle.
4. the backlight module as described in claim any one of 1-3, it is characterised in that first groove is multiple and multiple
First groove is symmetrically set in the left and right edges of the light guide plate.
5. the backlight module as described in claim any one of 1-3, it is characterised in that the light emitting source includes LED light bar, institute
Stating LED light bar includes pcb board and multiple LEDs on the top of the pcb board.
6. backlight module as claimed in claim 5, it is characterised in that the LED light bar is 2.
7. backlight module as claimed in claim 5, it is characterised in that block is additionally provided with the top of the pcb board, and it is described
The top of block is higher than the top of the LED.
8. backlight module as claimed in claim 7, it is characterised in that the top of the block and the top of the LED
Distance is 0.2-0.5mm.
9. backlight module as claimed in claim 7, it is characterised in that the block is multiple, and multiple blocks are uniform
Between multiple LEDs.
A kind of 10. interactive intelligent tablet computer, it is characterised in that the backlight including housing and as described in claim any one of 1-9
Module, the backlight module are connected in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887612.6U CN206946159U (en) | 2017-07-20 | 2017-07-20 | A kind of backlight module and interactive intelligent tablet computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887612.6U CN206946159U (en) | 2017-07-20 | 2017-07-20 | A kind of backlight module and interactive intelligent tablet computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206946159U true CN206946159U (en) | 2018-01-30 |
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ID=61370904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720887612.6U Active CN206946159U (en) | 2017-07-20 | 2017-07-20 | A kind of backlight module and interactive intelligent tablet computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206946159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027766A (en) * | 2018-04-26 | 2018-12-18 | 江西联创致光科技有限公司 | The full frame special shaped LED backlight of mobile phone |
-
2017
- 2017-07-20 CN CN201720887612.6U patent/CN206946159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027766A (en) * | 2018-04-26 | 2018-12-18 | 江西联创致光科技有限公司 | The full frame special shaped LED backlight of mobile phone |
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