CN207408715U - A kind of side entrance back module and display device - Google Patents
A kind of side entrance back module and display device Download PDFInfo
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- CN207408715U CN207408715U CN201721292219.9U CN201721292219U CN207408715U CN 207408715 U CN207408715 U CN 207408715U CN 201721292219 U CN201721292219 U CN 201721292219U CN 207408715 U CN207408715 U CN 207408715U
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Abstract
The utility model is related to display technology fields, disclose a kind of side entrance back module and display device, which includes：Light guide plate, a side surface of light guide plate form the first incidence surface and the second incidence surface；Optical diaphragm arranged on light guide plate light-emitting surface one side；Deviate from the reflector plate of light-emitting surface one side arranged on light guide plate；Arranged on the lamp bar group of light guide plate incident side, lamp bar group includes the first lamp bar and the second lamp bar that are arranged in parallel along its length；Wherein, the light emission side of the first lamp bar is oppositely arranged with the first incidence surface, and the light emission side of the second lamp bar is oppositely arranged with the second incidence surface.There are two lamp bars in above-mentioned side entrance back module to provide luminous energy, and the surface of the light emission side of two lamp bars is angled, the light that two lamp bars are sent cooperates, to provide incident angle preferable light, and two lamp bars emit beam and work in coordination, the brightness of display device can be effectively improved, and effectively solves the problems, such as the lamp shadow in side entering type display module in the prior art.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of side entrance back module and display device.
Background technology
As shown in Figure 1, the side entrance back module in display device is usually that side vertically enters light at present, light is from lamp bar
It projects, uniform area light source is formed by the light distribution of light guide plate, realizes illumination, due to the restriction of side lamp bar light emitting angle, easily
There is lamp shadow problem；And when requiring to realize higher brightness, it is difficult to provide enough luminous energy, it is necessary in leaded light that unilateral lamp bar, which enters light,
Another side of plate increases a lamp bar, and material is thus formed the modes that double side enters light, still, are designed in back light module unit structure
When, the back light module unit structure requirement that bilateral enters light will have a higher structure precision, and assembling is also required to very high requirement, difficulty compared with
Greatly.
Utility model content
The utility model provides a kind of side entrance back module and display device, in the side entrance back module there are two
Lamp bar provides luminous energy, and the surface of the light emission side of two lamp bars is angled, and the light that two lamp bars are sent cooperates, with
The preferable light of incident angle is provided, and two lamp bars emit beam and work in coordination, and can effectively improve the brightness of display device,
And effectively solve the problems, such as the lamp shadow in side entering type display module in the prior art.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of side entrance back module, including：
Light guide plate, a side surface of the light guide plate form the first incidence surface and the second incidence surface, first incidence surface
Prismatic protrusion, and plane where first incidence surface and plane where second incidence surface are crossed to form with the second incidence surface
Angle angle be 30 °~150 °；
Optical diaphragm arranged on the light guide plate light-emitting surface one side；
Deviate from the reflector plate of the light-emitting surface one side arranged on the light guide plate；
Arranged on the lamp bar group of the light guide plate incident side, the lamp bar group includes the first lamp being arranged in parallel along its length
Item and the second lamp bar；Wherein, the light emission side of first lamp bar is oppositely arranged with first incidence surface, the light extraction of the second lamp bar
Side is oppositely arranged with second incidence surface.
In above-mentioned side entrance back module, the surface of the incident side of light guide plate forms the first incidence surface and the second incidence surface,
First incidence surface and the second incidence surface form prismatic protrusion, wherein, it is flat where plane where the first incidence surface and the second incidence surface
Face is crossed to form the angle of angle in 30 °~150 °, and the incident side of light guide plate sets two lamp bars, the first lamp bar and the second lamp bar
Elongatedness direction is disposed in parallel relation to one another, and the plane of the plane of the first lamp bar extending direction and the second lamp bar extending direction formed with
The equal angle of the wedge angle of prismatic protrusion, and the light emission side of the first lamp bar is opposite with the first incidence surface, the light emission side of the second lamp bar
It is opposite with the second incidence surface.Then, the first lamp bar emits light and enters light guide plate from the first incidence surface, the second lamp bar emit light from
Second incidence surface enters light guide plate, and two lamp bars provide luminous energy to above-mentioned side entrance back module, can carry on the back above-mentioned side entering type
Optical mode group can provide higher brightness and show, and the light emission side of two lamp bars is at an angle, then the light that two lamp bars are sent
It cooperates, can solve the problems, such as the lamp shadow of above-mentioned side entrance back module.Wherein, the surface of the light emission side of above-mentioned two lamp bar
It forms angular range to be arranged in 30 °~150 °, two lamp bars can be made to have better cooperation, make the light of two lamp bar transmittings
The effect for coordinating the lamp shadow to solving the problems, such as above-mentioned side entrance back module is more preferable.
Therefore, there are two lamp bars in above-mentioned side entrance back module to provide luminous energy, and the surface of the light emission side of two lamp bars
Angled, the light that two lamp bars are sent cooperates, and to provide incident preferable light, and two lamp bars emit beam
It works in coordination, the brightness of display device can be effectively improved, and effectively solve the lamp in side entering type display module in the prior art
Shadow problem.
Preferably, first lamp bar and second lamp bar include：It is pcb board, uniform along the pcb board length direction
The setting at interval and the multiple lamp beads being electrically connected with the pcb board, the terminal being electrically connected with the pcb board.
Preferably, the lamp bead of the lamp bead of second lamp bar and first lamp bar along the first lamp bar length direction
In staggeredly spread configuration.
Preferably, first lamp bar is arranged at one end of the pcb board, and institute with the terminal in second lamp bar
State the first lamp bar set terminal one end it is opposite with one end that second lamp bar is not provided with terminal, first lamp bar is not provided with
One end of terminal sets one end of terminal opposite with second lamp bar.
Preferably, each lamp bead of second lamp bar is located at first lamp along the first lamp bar length direction
The adjacent lamp bead centre position of item.
Preferably, the light guide plate is equipped with site away from the surface of the one side of the light-emitting surface.
Preferably, first lamp bar for LED light bar and/or, second lamp bar is LED light bar.
The utility model additionally provides a kind of display device, and including glue frame, backboard, glue frame is connected to form accommodating show with backboard
Show the accommodating space of device, the glue frame is equipped with liquid crystal panel away from the one side of the backboard, further includes in above-mentioned technical proposal
Any one side entrance back module provided, the side entrance back module are placed in the accommodating space.
Preferably, side plate corresponding with the incident side of the light guide plate of the side entrance back module is formed in the backboard
The bending structure of conjunction is assembled with lamp bar, the bending structure includes the first inclined plate corresponding with the first lamp bar and second lamp
Corresponding second inclined plate of item and the connecting plate for connecting first inclined plate and the second inclined plate；First lamp bar is arranged on described
For first inclined plate towards the one side of the first incidence surface of the light guide plate, second lamp bar is arranged on second inclined plate described in
The one side of the second incidence surface of light guide plate.
Preferably, cushion rubber bumper is equipped between the liquid crystal panel and the glue frame.
Description of the drawings
Fig. 1 is the partial structural diagram of the backlight module of single-sided illumination in the prior art；
Fig. 2 is the side entrance back module partial structural diagram that the utility model embodiment provides；
Fig. 3 is schematic side view of the lamp bar group that provides of the utility model embodiment towards the one side of light guide plate.
Icon：1- light guide plates；2- optical diaphragms；3- reflector plates；4- lamp bar groups；5- glue frames；6- backboards；7- liquid crystal panels；
8- cushion rubber bumpers；11- prismatic protrusion；The first lamp bars of 41-；The second lamp bars of 42-；The first incidence surfaces of 111-；The second incidence surfaces of 112-；
411-PCB plates；412- lamp beads；413- terminals.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It please refers to Fig.2, a kind of side entrance back module that the utility model embodiment provides, including：Light guide plate 1, it is guide-lighting
One side surface of plate 1 forms the first incidence surface 111 and the second incidence surface 112, the first incidence surface 111 and 112 phase of the second incidence surface
Friendship forms prismatic protrusion 11, and the angle of 111 place plane of the first incidence surface and 112 place plane of the second incidence surface for 30 °~
150°；Optical diaphragm 2 arranged on 1 light-emitting surface one side of light guide plate；Deviate from the reflector plate 3 of light-emitting surface one side arranged on light guide plate 1；It is arranged on
The lamp bar group 4 of 1 incident side of light guide plate, lamp bar group 4 include the first lamp bar 41 and the second lamp bar 42 that are arranged in parallel along its length；
Wherein, the light emission side of the first lamp bar 41 is oppositely arranged with the first incidence surface 111, light emission side and the second incidence surface of the second lamp bar 42
112 are oppositely arranged.
In above-mentioned side entrance back module, the surface of the incident side of light guide plate 1 forms the first incidence surface 111 and second and enters light
Face 112, the first incidence surface 111 and the second incidence surface 112 form prismatic protrusion 11, wherein, the wedge angle angle of prismatic protrusion 11 is
30 °~150 °, i.e. the angle that the first incidence surface 111 and the second incidence surface 112 are crossed to form is in 30 °~150 °, light guide plate 1
Incident side sets two lamp bars, and the first lamp bar 41 is disposed in parallel relation to one another with 42 elongatedness direction of the second lamp bar, and the first lamp bar 41
The plane of the extending direction angle equal with the wedge angle of prismatic protrusion 11 with the plane formation of 42 extending direction of the second lamp bar, and the
The light emission side of one lamp bar 41 is opposite with the first incidence surface 111, and the light emission side of the second lamp bar 42 is opposite with the second incidence surface 112.Then,
First lamp bar 41 emits light and enters light guide plate 1 from the first incidence surface 111, and the second lamp bar 42 emits light from the second incidence surface
112 enter light guide plate 1, and two lamp bars provide luminous energy to above-mentioned side entrance back module, can make above-mentioned side entrance back module
Higher brightness can be provided to show, and the light emission side of two lamp bars is at an angle, then the light phase interworking that two lamp bars are sent
It closes, can solve the problems, such as the lamp shadow of above-mentioned side entrance back module.Wherein, the surface of the light emission side of above-mentioned two lamp bar forms angle
Degree scope is arranged in 30 °~150 °, and two lamp bars can be made to have better cooperation, makes the light cooperation pair of two lamp bar transmittings
Solve the problems, such as that the effect of the lamp shadow of above-mentioned side entrance back module is more preferable.
Therefore, there are two lamp bars in above-mentioned side entrance back module to provide luminous energy, and the surface of the light emission side of two lamp bars
Angled, the light that two lamp bars are sent cooperates, and to provide incident angle preferable light, and two lamp bars are sent
Light is worked in coordination, and can be effectively improved the brightness of display device, and effectively be solved in side entering type display module in the prior art
Lamp shadow problem.
As shown in figure 3, the first lamp bar 41 includes with the second lamp bar 42：It is pcb board 411, equal along 411 length direction of pcb board
The setting at even interval and the multiple lamp beads 412 being electrically connected with pcb board 411, the terminal 413 being electrically connected with pcb board 411.
Specifically, the material of pcb board 411 is the good material of heat dissipation performance, beneficial to the first lamp bar 41 and the second lamp bar 42
Heat dissipation, beneficial to the service life for extending the first lamp bar 41 and the second lamp bar 42.
In above-mentioned lamp bar group 4, as shown in figure 3, the lamp bead 412 of the second lamp bar 42 and along 41 length direction of the first lamp bar
The lamp bead 412 of one lamp bar 41 is in staggeredly spread configuration.The lamp bead 412 of second lamp bar 42 and the first lamp bar 41 is grown in the first lamp bar 41
Degree direction makes the brightness that emits beam of the first lamp bar 41 and the second lamp bar 42 complementary, can increase the equal of incident light in being staggered
Even property, and then the outgoing light homogeneity of light guide plate 1 is improved, above-mentioned side entrance back module is contributed to solve the problems, such as lamp shadow.
Specifically, each lamp bead 412 of the second lamp bar 42 is located at the first lamp bar 41 along 41 length direction of the first lamp bar
Adjacent 412 centre position of lamp bead.The uniformity for making incident light is more preferable, and solving lamp shadow for above-mentioned side entrance back module asks
The effect of topic is more preferable.
Specifically, the terminal 413 in the first lamp bar 41 and the second lamp bar 42 is arranged at one end of pcb board 411, the first lamp
One end that item 41 sets one end of terminal 413 to be not provided with terminal 413 with the second lamp bar 42 is opposite, and the first lamp bar 41 is not provided with holding
One end of son 413 sets one end of terminal 413 opposite with the second lamp bar 42.Make the both ends alignment of two lamp bars, convenient for being used for
Support the setting of the structure of lamp bar.
In above-mentioned side entrance back module, light guide plate 1 is equipped with site away from the surface of the one side of light-emitting surface.It can effectively carry
The outgoing light homogeneity of high light guide plate 1.
Specifically, the first lamp bar 41 for LED light bar and/or, the second lamp bar 42 is LED light bar.
Specifically, the material of reflector plate 3 is foaming PET material.Foaming PET material has good reflecting properties, ensures
Light is smoothly propagated along light guide plate 1, is not leaked out.
The utility model embodiment additionally provides a kind of display device, and including glue frame 5, backboard 6, glue frame 5 is connected with backboard 6
The accommodating space of accommodating display device is formed, glue frame 5 is equipped with liquid crystal panel 7 away from the one side of backboard 6, further includes above-described embodiment
Any one side entrance back module of middle offer, side entrance back module are placed in accommodating space.
Specifically, as shown in Fig. 2, side plate shape corresponding with the incident side of the light guide plate of side entrance back module 1 in backboard 6
The bending structure that Cheng Youyu lamp bars group 4 coordinates, bending structure include and 41 corresponding first inclined plate of the first lamp bar and the second lamp bar
42 corresponding second inclined plates and the connecting plate for connecting the first inclined plate and the second inclined plate；First lamp bar 41 is arranged on the first inclined plate court
To the one side of the first incidence surface 111 of light guide plate 1, the second lamp bar 42 is arranged on second incidence surface of second inclined plate towards light guide plate 1
112 one side.
In above-mentioned display device there are two lamp bars to provide luminous energy, and the surface of the light emission side of two lamp bars is into certain angle
Degree, the light that two lamp bars are sent cooperate, and to provide incident angle preferable light, and two lamp bars emit beam mutually
Cooperation can effectively improve the brightness of display device, and effectively solve the lamp in the display device of single-sided illumination in the prior art
Shadow problem.
Specifically, cushion rubber bumper 8 is equipped between liquid crystal panel 7 and glue frame 5.When the one side of the display picture of liquid crystal panel 7
During stress, cushion rubber bumper 8 plays cushioning effect, can shield to liquid crystal panel 7.
Specifically, the material of backboard 6 is metal material.Backboard 6 could be provided as iron backboard 6, and iron backboard 6 has good
Enabling capabilities and heat dissipation performance are conducive to the stability of display device.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the utility model belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of side entrance back module, which is characterized in that including：
Light guide plate, a side surface of the light guide plate form the first incidence surface and the second incidence surface, first incidence surface and the
Two incidence surfaces are crossed to form prismatic protrusion, and the folder of plane and plane where second incidence surface where first incidence surface
Angle angle is 30 °~150 °；
Optical diaphragm arranged on the light guide plate light-emitting surface one side；
Deviate from the reflector plate of the light-emitting surface one side arranged on the light guide plate；
Arranged on the lamp bar group of the light guide plate incident side, the lamp bar group include the first lamp bar for being arranged in parallel along its length and
Second lamp bar；Wherein, the light emission side of first lamp bar is oppositely arranged with first incidence surface, the light emission side of the second lamp bar with
Second incidence surface is oppositely arranged.
2. side entrance back module according to claim 1, which is characterized in that first lamp bar and second lamp bar
Include：Pcb board, along the pcb board length direction it is evenly spaced setting and be electrically connected with the pcb board multiple lamp beads,
The terminal being electrically connected with the pcb board.
3. side entrance back module according to claim 2, which is characterized in that the institute along the first lamp bar length direction
The lamp bead of the second lamp bar is stated with the lamp bead of first lamp bar in staggeredly spread configuration.
4. side entrance back module according to claim 3, which is characterized in that the institute along the first lamp bar length direction
Each lamp bead for stating the second lamp bar is located among the adjacent lamp bead of first lamp bar.
5. side entrance back module according to claim 3, which is characterized in that first lamp bar and second lamp bar
In terminal be arranged at one end of the pcb board, and first lamp bar set one end of terminal with second lamp bar not
The one end for setting terminal is opposite, and first lamp bar is not provided with one end of terminal and one end phase of second lamp bar setting terminal
It is right.
6. side entrance back module according to claim 1, which is characterized in that the light guide plate is away from the light-emitting surface
The surface of one side is equipped with site.
7. side entrance back module according to claim 1, which is characterized in that first lamp bar for LED light bar and/
Or, second lamp bar is LED light bar.
8. a kind of display device, including glue frame, backboard, glue frame is connected the accommodating space to form accommodating display device, institute with backboard
It states glue frame and is equipped with liquid crystal panel away from the one side of the backboard, which is characterized in that further include as described in claim any one of 1-7
Side entrance back module, the side entrance back module is placed in the accommodating space.
9. display device according to claim 8, which is characterized in that in the backboard with the side entrance back module
The corresponding side plate of incident side of light guide plate is formed with the bending structure that conjunction is assembled with lamp bar, and the bending structure includes and the first lamp
Corresponding first inclined plate of item, the second inclined plate corresponding with second lamp bar and for connecting first inclined plate and the second inclined plate
Connecting plate；First lamp bar is arranged on first inclined plate towards the one side of the first incidence surface of the light guide plate, and described the
Two lamp bars are arranged on second inclined plate towards the one side of the second incidence surface of the light guide plate.
10. display device according to claim 8, which is characterized in that be equipped between the liquid crystal panel and the glue frame
Cushion rubber bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292219.9U CN207408715U (en) | 2017-09-30 | 2017-09-30 | A kind of side entrance back module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292219.9U CN207408715U (en) | 2017-09-30 | 2017-09-30 | A kind of side entrance back module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408715U true CN207408715U (en) | 2018-05-25 |
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ID=62407380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721292219.9U Active CN207408715U (en) | 2017-09-30 | 2017-09-30 | A kind of side entrance back module and display device |
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| Country | Link |
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| CN (1) | CN207408715U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901328A (en) * | 2019-04-11 | 2019-06-18 | Oppo广东移动通信有限公司 | Backlight module, display panel and display device |
| CN110161754A (en) * | 2019-06-11 | 2019-08-23 | 创维光电科技(深圳)有限公司 | A kind of backlight module light-entry structure and backlight module |
| CN115013754A (en) * | 2021-03-05 | 2022-09-06 | 北京字节跳动网络技术有限公司 | Light-emitting module and desk lamp |
-
2017
- 2017-09-30 CN CN201721292219.9U patent/CN207408715U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901328A (en) * | 2019-04-11 | 2019-06-18 | Oppo广东移动通信有限公司 | Backlight module, display panel and display device |
| CN110161754A (en) * | 2019-06-11 | 2019-08-23 | 创维光电科技(深圳)有限公司 | A kind of backlight module light-entry structure and backlight module |
| CN115013754A (en) * | 2021-03-05 | 2022-09-06 | 北京字节跳动网络技术有限公司 | Light-emitting module and desk lamp |
| CN115013754B (en) * | 2021-03-05 | 2023-06-06 | 北京字节跳动网络技术有限公司 | Light-emitting module and desk lamp |
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