CN208224522U - A kind of backlight arrangement based on light guide plate - Google Patents
A kind of backlight arrangement based on light guide plate Download PDFInfo
- Publication number
- CN208224522U CN208224522U CN201820492173.3U CN201820492173U CN208224522U CN 208224522 U CN208224522 U CN 208224522U CN 201820492173 U CN201820492173 U CN 201820492173U CN 208224522 U CN208224522 U CN 208224522U
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- guide plate
- light guide
- lamp
- backlight arrangement
- glue
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Abstract
The utility model discloses a kind of backlight arrangement based on light guide plate, backlight arrangement includes: brandreth；The L shape glue frame on brandreth upper layer is set；Light guide plate on the left of L shape glue frame upper layer is set, L shape glue frame upper layer, the LED light source on the right side of light guide plate are set；It is covered in the lamp glue-line of L shape glue frame upper surface, LED light source upper surface, light guide plate upper surface simultaneously；It is covered in the flexible circuit device on lamp glue-line upper layer；Tapered ramp is arranged in light guide plate upper end；Multiple U-shaped boss are provided on tapered ramp.The backlight arrangement based on light guide plate of the utility model, by the way that U-shaped boss is arranged on the tapered ramp of light guide plate, lamp glue-line passes through the gap of lamp bead and is covered on U-shaped boss, flexible circuit device is covered in lamp glue-line upper layer, flexible circuit device is pasted in the horizontal plane by being rationally arranged, the stress because of its own is avoided to lead to the lamp bar rebound for being bonded in light guide plate slope, so that the reliability of backlight arrangement greatly improved.
Description
Technical field
The utility model relates to the technical field of backlight arrangement more particularly to a kind of backlights based on light guide plate
Device.
Background technique
Recently as the universal of the mobile terminals such as mobile phone, tablet computer, the quality requirement that user shows LCD screen
It is higher and higher, therefore also proposed harsh requirement to the backlight arrangement in liquid crystal display, and the production of liquid crystal display
In assembling process, need using backlight arrangement.
In the design of traditional backlight product, the light guide plate used is the structure of " plate+wedge step ", in LED
There are the drop of wedge step height, lamp glue-line and flexible circuit devices to be bonded in wedge in light guide plate between source ends and light guide plate
On the slope of shape step, and due to the stress of flexible circuit device itself, flexible circuit device can from light guide plate wedge
It falls off on the slope of shape step, leads to the lamp bar rebound for being bonded in light guide plate slope, backlight product is made to generate aobvious visual effect
Fruit is abnormal, to reduce the reliability of equipment entirety.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of back based on light guide plate
Light supply apparatus, it is intended to solve flexible circuit device in the backlight arrangement of the prior art can from light guide plate wedge step slope
It falls off on face, leads to the problem of equipment dependability deficiency.
To achieve the above object, specific technical solution is as follows for the utility model:
A kind of backlight arrangement based on light guide plate, wherein the backlight arrangement includes: brandreth；It is arranged in iron
The L shape glue frame on frame upper layer；Light guide plate on the left of L shape glue frame upper layer is set, L shape glue frame upper layer is set, on the right side of light guide plate
LED light source；It is covered in the lamp glue-line of L shape glue frame upper surface, LED light source upper surface, light guide plate upper surface simultaneously；It is covered in lamp glue
The flexible circuit device on layer upper layer；The brandreth is closely connect with L shape glue frame；
Tapered ramp is arranged in the light guide plate upper end；Multiple U-shaped boss are provided on the tapered ramp.
The backlight arrangement based on light guide plate, wherein be provided with levelling bench on the tapered ramp；Institute
State upper surface and the levelling bench flush of U-shaped boss.
The backlight arrangement based on light guide plate, wherein the length of the U-shaped boss is less than tapered ramp
Width.
The backlight arrangement based on light guide plate, wherein multiple lamp beads are provided on the LED light source.
The backlight arrangement based on light guide plate, wherein the lamp glue-line is covered on the gap of lamp bead.
The backlight arrangement based on light guide plate, wherein the lamp glue-line is covered in U-shaped boss upper surface
On.
The utility model has the advantages that
The backlight arrangement based on light guide plate of the utility model, by being provided on the tapered ramp of light guide plate
Multiple U-shaped boss, lamp glue-line pass through the gap of lamp bead and are covered on U-shaped boss upper surface, and flexible circuit device is covered in lamp
Glue-line upper layer, by being rationally arranged, pastes flexible circuit device in the case where not influencing lamp bead normal work on LED light source
It covers and the stress due to flexible circuit device itself is avoided to cause the lamp bar for being bonded in light guide plate slope anti-in the horizontal plane
Bullet, so that the reliability of backlight arrangement greatly improved.
Detailed description of the invention
Fig. 1 is a kind of structure chart of backlight arrangement based on light guide plate.
Fig. 2 is a kind of local structural graph of backlight arrangement based on light guide plate.
Fig. 3 is a kind of local structural graph of backlight arrangement based on light guide plate.
Fig. 4 is a kind of structure chart of light guide plate in backlight arrangement based on light guide plate.
Specific embodiment
The utility model provides a kind of backlight arrangement based on light guide plate, to make the purpose of this utility model, skill
Art scheme and effect are clearer, clear, and the utility model is further described below.It should be appreciated that described herein
Specific embodiment be only used to explain the utility model, be not used to limit the utility model.
Fig. 1-Fig. 4 is please referred to, Fig. 1 is a kind of structure chart of backlight arrangement based on light guide plate；Fig. 2 is a kind of base
In the local structural graph of the backlight arrangement of light guide plate；Fig. 3 is a kind of office of backlight arrangement based on light guide plate
Portion's structure chart；Fig. 4 is a kind of structure chart of light guide plate in backlight arrangement based on light guide plate.As shown, a kind of base
In the backlight arrangement of light guide plate, wherein the backlight arrangement includes: brandreth 1；The L shape glue on 1 upper layer of brandreth is set
Frame 2；Light guide plate 3 on the left of 2 upper layer of L shape glue frame is set, the LED light source 4 on 2 upper layer of L shape glue frame, 3 right side of light guide plate is set；
It is covered in the lamp glue-line 5 of 2 upper surface of L shape glue frame, 4 upper surface of LED light source, 3 upper surface of light guide plate simultaneously；It is covered in lamp glue-line 5
The flexible circuit device 6 on upper layer.Brandreth and L shape glue frame are for backlight source element to be fixed, wherein brandreth is gold
The bracket for belonging to material, can be prepared by alloy, by brandreth and L shape glue frame, can be realized to element each in backlight
It is assembled according to corresponding position.Light guide plate is arranged on the left of L shape glue frame upper layer, and LED light source, LED light are arranged on the right side of light guide plate
Source is fixedly connected with L shape glue frame right arm, through reasonable settings, be consolidated light guide plate and LED light source can and is fixed on L shape glue
On frame, in equipment normal use process, the shatter-resistant performance of device can be improved, increase the reliability of equipment.Lamp glue-line is covered in L
Shape glue frame upper surface, LED light source upper surface on light guide plate upper surface, further fix LED light source and light guide plate；It is soft
Property circuit device is covered in lamp glue-line upper layer.
In a more specific embodiment, the brandreth 1 is closely connect with L shape glue frame 2；Wedge is arranged in 3 upper end of light guide plate
Shape inclined-plane 31；Multiple U-shaped boss 32 are provided on the tapered ramp 31.The electronic component as involved in backlight arrangement and
Circuit design, it is therefore desirable to which backlight source element is fixed in the brandreth and L-type glue frame for treating as metal material, the iron of metal material
Frame intensity is high, but electric conductivity is good, and glue frame material is plastics, and L shape glue frame insulating properties is good, but haves the shortcomings that intensity is inadequate,
Therefore wealth leads to brandreth and the close-connected mode of L shape glue frame, the fixation to backlight source element.In specific implementation process, it can pass through
Lathe carries out the operation of glue iron integrated molding to brandreth and L shape glue frame, obtains required brandreth and L shape glue frame.
Tapered ramp is arranged in light guide plate upper end, since LED light source being arranged on the right side of light guide plate, in order to make pipe caused by light source
Line can preferably directive light guide plate center, need in light guide plate upper end, i.e., close to LED light source side be arranged tapered ramp.
Multiple U-shaped boss are provided on tapered ramp, the upper surface of U-shaped boss is horizontal, that is, can guarantee the lamp glue being covered on U-shaped boss
Layer and the flexible circuit device being covered on lamp glue-line, which save horizontality namely flexible circuit device, will not be covered in leaded light
It falls off on tapered ramp because of itself stress in plate, also can avoid the lamp bar rebound for being bonded in light guide plate slope, to improve
The reliability of equipment entirety.
In a more specific embodiment, levelling bench 311 is provided on the tapered ramp 31；The U-shaped boss 32
Upper surface and 311 flush of levelling bench.Levelling bench is set on tapered ramp, and upper surface and the water of U-shaped boss are set
Average flush, after connecting LED light source with light guide plate, by levelling bench smooth transition, and lamp glue can be pasted entirely
Overlay on LED light source, levelling bench, in plane composed by U-shaped boss.It is carried out by setting levelling bench and multiple U-shaped boss
Connection, additionally it is possible to the mechanical strength of light-guide edge be remarkably reinforced.
In a more specific embodiment, the length of the U-shaped boss 32 is less than 21 width of tapered ramp.For convenience of equipment
It is installed and used, the length of U-shaped boss is less than the width of tapered ramp, that is to say that the lower end of U-shaped boss is oblique without departing from wedge-shaped
The lower end in face.Specifically, the U-shaped boss lower end is 0.02-1.5mm at a distance from tapered ramp lower end.
In a more specific embodiment, multiple lamp beads 41 are provided on the LED light source 4；The lamp glue-line 5 is covered in lamp
On the gap of pearl 41；The lamp glue-line 5 is covered on U-shaped 32 upper surface of boss.In specifically production installation process, lamp glue-line is worn
The gap between lamp bead to be crossed, is covered on the gap of lamp bead, lamp glue-line continues to extend downwardly, it is covered on U-shaped boss upper surface,
Lamp glue-line is also covered on L shape glue frame simultaneously, and by this setting, lamp glue-line will not have an impact the lamp bead on LED light source,
Also the fixation to LED light source, light guide plate can be realized well.
In conclusion the utility model discloses a kind of backlight arrangements based on light guide plate, wherein the backlight
Source device includes: brandreth；The L shape glue frame on brandreth upper layer is set；Light guide plate on the left of L shape glue frame upper layer is set, is arranged in L
LED light source on the right side of shape glue frame upper layer, light guide plate；It is covered in L shape glue frame upper surface, LED light source upper surface simultaneously, on light guide plate
The lamp glue-line of end face；It is covered in the flexible circuit device on lamp glue-line upper layer；The brandreth is closely connect with L shape glue frame；It is described to lead
Tapered ramp is arranged in tabula rasa upper end；Multiple U-shaped boss are provided on the tapered ramp.The utility model based on novel optic
The backlight arrangement of plate, by being provided with multiple U-shaped boss on the tapered ramp of light guide plate, lamp glue-line passes through the gap of lamp bead
And be covered on U-shaped boss upper surface, flexible circuit device is covered in lamp glue-line upper layer, is not influencing on LED light source lamp bead just
Often in the case where work, by being rationally arranged, pastes flexible circuit device in the horizontal plane, avoid due to flexible circuit device
The stress of itself leads to the lamp bar rebound for being bonded in light guide plate slope, so that the reliable of backlight arrangement greatly improved
Property.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (6)
1. a kind of backlight arrangement based on light guide plate, which is characterized in that the backlight arrangement includes: brandreth；Setting
L shape glue frame on brandreth upper layer；Light guide plate on the left of L shape glue frame upper layer is set, and setting is right in L shape glue frame upper layer, light guide plate
The LED light source of side；It is covered in the lamp glue-line of L shape glue frame upper surface, LED light source upper surface, light guide plate upper surface simultaneously；It is covered in
The flexible circuit device on lamp glue-line upper layer；The brandreth is closely connect with L shape glue frame；
Tapered ramp is arranged in the light guide plate upper end；Multiple U-shaped boss are provided on the tapered ramp.
2. the backlight arrangement according to claim 1 based on light guide plate, which is characterized in that on the tapered ramp
It is provided with levelling bench；The upper surface of the U-shaped boss and levelling bench flush.
3. the backlight arrangement according to claim 2 based on light guide plate, which is characterized in that the U-shaped boss
Length is less than the width of tapered ramp.
4. the backlight arrangement according to claim 1 based on light guide plate, which is characterized in that on the LED light source
It is provided with multiple lamp beads.
5. the backlight arrangement according to claim 4 based on light guide plate, which is characterized in that the lamp glue-line pastes
On the gap of lamp bead.
6. the backlight arrangement according to claim 1 based on light guide plate, which is characterized in that the lamp glue-line pastes
On U-shaped boss upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492173.3U CN208224522U (en) | 2018-04-09 | 2018-04-09 | A kind of backlight arrangement based on light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492173.3U CN208224522U (en) | 2018-04-09 | 2018-04-09 | A kind of backlight arrangement based on light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224522U true CN208224522U (en) | 2018-12-11 |
Family
ID=64514277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820492173.3U Active CN208224522U (en) | 2018-04-09 | 2018-04-09 | A kind of backlight arrangement based on light guide plate |
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| CN (1) | CN208224522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220817A1 (en) * | 2019-04-30 | 2020-11-05 | 京东方科技集团股份有限公司 | Backlight module, display module, and display device |
-
2018
- 2018-04-09 CN CN201820492173.3U patent/CN208224522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220817A1 (en) * | 2019-04-30 | 2020-11-05 | 京东方科技集团股份有限公司 | Backlight module, display module, and display device |
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