CN206147231U - Lateral incident type backlight module and display device - Google Patents
Lateral incident type backlight module and display device Download PDFInfo
- Publication number
- CN206147231U CN206147231U CN201621239826.4U CN201621239826U CN206147231U CN 206147231 U CN206147231 U CN 206147231U CN 201621239826 U CN201621239826 U CN 201621239826U CN 206147231 U CN206147231 U CN 206147231U
- Authority
- CN
- China
- Prior art keywords
- side entrance
- guide plate
- back module
- entrance back
- light guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The embodiment of the utility model provides a lateral incident type backlight module and display device, edge -in backlight module include the backplate, and install light source and the light guide plate in the backplate respectively, and the vertical section contour of the tip of light guide plate is right trapezoid, the oblique waist that corresponds outwards, the right angle waist inwards, the inclined plane that corresponds of waist and right trapezoid's the terminal surface facing that the upper base is corresponding are equipped with first reflectance coating to one side, the medial surface of tip is located to the light source. The embodiment of the utility model provides a light is gone into to a main side through the light guide plate tip, and sufficient light is guaranteed to the technological means of another side reflection of light when making the light guide plate keep low thickness.
Description
Technical field
This utility model is related to technical field of liquid crystal display, more particularly to a kind of side entrance back module.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) itself does not light, and needs the support of backlight module
To be developed the color.Backlight module includes down straight aphototropism mode set and side entrance back module, and side entrance back module is generally by light
The critical components such as source, light guide plate, reflector plate and diaphragm are constituted.
The light source of traditional side entrance back module is located at the lateral location of light guide plate, and LED light-emitting areas are parallel to light guide plate
Side, after light enters light guide plate, is propagated in the form of being totally reflected forward.Due at present used in large scale backlight module
LED package widths are generally in more than 1mm, it is contemplated that the efficient utilization realized by luminous energy, being designed as 2mm the thickness of light guide plate more with
On, it is most widely used with the light guide plate of 3mm thickness.With the development of whole backlight module industry, cost pressure is increasing,
And ultrathin display device is increasingly favored on market, the thickness for constantly reducing light guide plate has become whole industry development
Inexorable trend.But, reduce light guide plate and require that LED package widths are reduced, at the same time will also ensure to provide sufficient
Luminous energy, this huge bottleneck into current side entrance back module reduces cost.
Utility model content
This utility model embodiment technical problem to be solved is, there is provided a kind of side entrance back module and show dress
Put, so that light guide plate keeps ensureing sufficient light while low thickness.
In order to solve above-mentioned technical problem, this utility model embodiment proposes a kind of side entrance back module, including the back of the body
Plate, and the light source that is respectively arranged in backboard and light guide plate, the Xray films of the end of light guide plate are in a rectangular trapezoid, corresponding
Tiltedly outwardly, inwardly, be sticked on the corresponding end face in upper bottom of the corresponding inclined-plane of oblique waist and right-angled trapezium has the first reflection to right angle waist to waist
Film, medial surface of the light source located at end.
Further, the first reflectance coating is made using silver, aluminum or PET expanded materials.
Further, the first groove is offered on backboard, light guide plate is placed in the first groove.
Further, the bottom of the first groove offers the second groove, light source be placed in the second groove and with the second groove
Bottom surface keep predetermined angle.
Further, Heat Conduction Material is provided between light source bottom surface and the second groove floor.
Further, the scope of predetermined angle is more than 0 ° and less than 90 °.
Further, oblique waist angular range corresponding with right angle waist is more than 0 ° and less than 90 °.
Further, the length range at the upper bottom of right-angled trapezium is more than 0 and less than length of going to the bottom.
Further, the outer surface of light guide plate is sticked diaphragm, and inner surface is sticked the second reflectance coating.
Correspondingly, this utility model embodiment additionally provides a kind of display device, including side entrance back as above
Module and the display panels being arranged in the side entrance back module.
This utility model embodiment is by proposing a kind of side entrance back module and display device, the side entrance back module back of the body
Plate, and the light source that is respectively arranged in backboard and light guide plate, the Xray films of the end of light guide plate are in a rectangular trapezoid, corresponding
Tiltedly outwardly, inwardly, medial surface of the light source located at end mainly passes through a side incident of light guide plate end, separately to right angle waist to waist
The reflective technological means in one side, make light guide plate keep ensureing sufficient light while low thickness.
Description of the drawings
Fig. 1 is the assembling structure schematic diagram of the side entrance back module of this utility model embodiment.
Fig. 2 is that the side entrance back module of this utility model embodiment enters light schematic diagram.
Fig. 3 is the Xray films schematic diagram of the end of the light guide plate of this utility model embodiment.
Fig. 4 is the position view that is sticked of the first reflectance coating of this utility model embodiment.
Drawing reference numeral explanation
Backboard 10
Light source 20
Light guide plate 30
First reflectance coating 40
Diaphragm 50
Second reflectance coating 60.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine, this utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
If directional instruction (such as up, down, left, right, before and after ...) is only used for explaining in this utility model embodiment
In the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if the specific appearance
When state changes, then directionality indicates also correspondingly to change therewith.
If in addition, the description for being related to " first ", " second " etc. in this utility model is only used for describing purpose, and can not manage
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".
Fig. 1～Fig. 4 is refer to, the side entrance back module of this utility model embodiment mainly includes backboard 10, and difference
The light source 20 being installed in backboard 10 and light guide plate 30.
Light source 20 is preferably LED lamp bar.
The Xray films of the end of light guide plate 30 are in a rectangular trapezoid, medial surface of the light source 20 located at end.Specifically, it is right
Outwardly, inwardly, be sticked on the corresponding end face in upper bottom of the corresponding inclined-plane of oblique waist and right-angled trapezium has first to right angle waist to the oblique waist answered
Reflectance coating 40, the propagation trajectories of the control light of the first reflectance coating 40 make the light that light source 20 sends understand Jing after the first reflectance coating 40 reflects
Conduct distally along light guide plate 30, it is ensured that the efficient utilization of luminous energy, realize Uniform Illumination.Preferably, the first reflectance coating 40 is adopted
Silver, aluminum or PET expanded materials are made.Further, by the structure setting, from a right angle waist respective side of 30 end of light guide plate
Face enters light, and oblique waist corresponding side surface is reflective, and having reached makes light guide plate 30 keep ensureing the technology of sufficient light while low thickness
Effect.
The outer surface of light guide plate 30 is sticked diaphragm 50, and inner surface is sticked the second reflectance coating 60.
The first groove is offered on backboard 10, light guide plate 30 is placed in the first groove.The bottom of the first groove is further opened with
Second groove, light source 20 are placed in the second groove and keep predetermined included angle B with the bottom surface of the second groove.Further, light source 20
Heat Conduction Material (not shown) is provided between bottom surface and the second groove floor, and then the heat for producing light source 20 in time is guided.
Preferably, the scope of the predetermined included angle B is more than 0 ° and less than 90 °.
Tiltedly the scope of waist included angle A corresponding with right angle waist is more than 0 ° and less than 90 °；The length model at the upper bottom of right-angled trapezium
Enclose is more than 0 and less than length of going to the bottom.
This utility model embodiment additionally provides a kind of display device, including side entrance back module as above and sets
Put the display panels in the side entrance back module.
The assembling process of this utility model embodiment backlight module is：Design and have by the sunk type of backboard 10 and incline
Second groove of supporting surface installs light source 20, is then sequentially placed the second reflectance coating 60, light guide plate in 10 first groove of backboard
30th, diaphragm 50.It should be noted that：Need to fill the good material of heat conductivility below light source 20, it is ensured that the heat that distributes and
When derive；30 end face of light guide plate is brought into close contact with the first groove medial wall, to prevent light from spilling from side；Ladder structure of right angle
In-scope need to be designed outside display A-A areas, to ensure to realize preferable optical effect.
The LED encapsulating products by existing maturation of this utility model embodiment realize the slimming design of light guide plate 30, adopt
With the bottleneck for entering light mode, solving current industry development of brand-new side entrance back module.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is limited by claims and its equivalency range.
Claims (10)
1. a kind of side entrance back module, it is characterised in that the side entrance back module includes backboard, and is respectively arranged in the back of the body
Light source and light guide plate in plate, the Xray films of the end of light guide plate are in a rectangular trapezoid, corresponding oblique waist outwardly, right angle waist court
Interior, being sticked on the corresponding end face in upper bottom of the corresponding inclined-plane of oblique waist and right-angled trapezium has the first reflectance coating, and light source is located at end
Medial surface.
2. side entrance back module as claimed in claim 1, it is characterised in that the first reflectance coating is using silver, aluminum or PET foaming
Material is made.
3. side entrance back module as claimed in claim 1, it is characterised in that the first groove, light guide plate are offered on backboard
It is placed in the first groove.
4. side entrance back module as claimed in claim 3, it is characterised in that it is recessed that the bottom of the first groove offers second
Groove, light source are placed in the second groove and keep predetermined angle with the bottom surface of the second groove.
5. side entrance back module as claimed in claim 4, it is characterised in that set between light source bottom surface and the second groove floor
There is Heat Conduction Material.
6. side entrance back module as claimed in claim 4, it is characterised in that the scope of predetermined angle is more than 0 ° and is less than
90°。
7. side entrance back module as claimed in claim 1, it is characterised in that tiltedly waist angular range corresponding with right angle waist is
More than 0 ° and less than 90 °.
8. side entrance back module as claimed in claim 1, it is characterised in that the length range at the upper bottom of right-angled trapezium is big
In 0 and less than length of going to the bottom.
9. side entrance back module as claimed in claim 1, it is characterised in that the outer surface of light guide plate is sticked diaphragm, interior
Surface is sticked the second reflectance coating.
10. a kind of display device, it is characterised in that the display device includes side as claimed in any one of claims 1-9 wherein
Enter formula backlight module and the display panels being arranged in the side entrance back module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621239826.4U CN206147231U (en) | 2016-11-15 | 2016-11-15 | Lateral incident type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621239826.4U CN206147231U (en) | 2016-11-15 | 2016-11-15 | Lateral incident type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147231U true CN206147231U (en) | 2017-05-03 |
Family
ID=58626135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621239826.4U Expired - Fee Related CN206147231U (en) | 2016-11-15 | 2016-11-15 | Lateral incident type backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206147231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505671A (en) * | 2017-09-25 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module, its preparation method and include its display device |
| CN108506798A (en) * | 2018-03-20 | 2018-09-07 | 京东方科技集团股份有限公司 | Display device and side entering type light source module group |
| CN114216225A (en) * | 2021-12-17 | 2022-03-22 | 广东美的暖通设备有限公司 | Display device and wall-mounted air conditioner |
-
2016
- 2016-11-15 CN CN201621239826.4U patent/CN206147231U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505671A (en) * | 2017-09-25 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module, its preparation method and include its display device |
| CN108506798A (en) * | 2018-03-20 | 2018-09-07 | 京东方科技集团股份有限公司 | Display device and side entering type light source module group |
| CN114216225A (en) * | 2021-12-17 | 2022-03-22 | 广东美的暖通设备有限公司 | Display device and wall-mounted air conditioner |
| CN114216225B (en) * | 2021-12-17 | 2023-09-19 | 广东美的暖通设备有限公司 | Display device and wall-hanging air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20191115 |