CN205581472U - Backlight unit , display module assembly and display device - Google Patents
Backlight unit , display module assembly and display device Download PDFInfo
- Publication number
- CN205581472U CN205581472U CN201620356458.5U CN201620356458U CN205581472U CN 205581472 U CN205581472 U CN 205581472U CN 201620356458 U CN201620356458 U CN 201620356458U CN 205581472 U CN205581472 U CN 205581472U
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- China
- Prior art keywords
- guide plate
- backboard
- light guide
- backlight module
- glue frame
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Abstract
The embodiment of the utility model provides a relate to and show technical field, disclose a backlight unit, display module assembly and display device. Backlight unit includes backplate, reflector plate, light guide plate, light source subassembly, glues a frame and an at least first optics diaphragm, wherein: the backplate is including the diapire and the lateral wall that form the accommodation space, reflector plate and light guide plate order are placed in the accommodation space of backplate, the light source subassembly is located between the lateral wall of income light terminal surface and the backplate of light guide plate, glue the frame and be connected with the backplate, include and keep off the wall with the side that the lateral wall is relative of backplate to reach the relative preceding fender wall of front side periphery with the light guide plate, an at least first optics diaphragm lies in the front side of light guide plate and lies in the preceding fender wall terminal surface inboard of gluey frame. Glue the structural design who puts relatively in the frame with first optics diaphragm and can reduce backlight unit's thickness greatly, and then can reduce display device's thickness, realize display device's slimming design.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of backlight module, display module and shows
Show equipment.
Background technology
In panel display apparatus, Thin Film Transistor-LCD (Thin Film Transistor Liquid
Crystal Display, is called for short TFT-LCD) have that volume is little, low in energy consumption, manufacturing cost is relatively low and nothing
The features such as radiation, occupy leading position in current flat panel display market.
At present, the commonly used LED of backlight module (light-emitting diode, the luminescence of liquid crystal display
Diode, is called for short LED) as light source, according to the distributing position of light source, backlight module enters under can being divided into directly
Light formula and side incident type two kinds.
In liquid crystal display, as it is shown in figure 1, the primary structure of common side injection type backlight module includes:
There is the backboard 11 of accommodation space, be positioned at backboard 11 accommodation space and order place reflector plate 12, lead
Tabula rasa 13 and blooming piece 14, the LED between the sidewall and the light inputting end face of light guide plate 13 of backboard 11
(light-emitting diode, light emitting diode are called for short LED) lamp group 15, and it is positioned at blooming piece 14
Top and the glue frame 16 assembled with backboard 11.For enabling backlight module to provide brightness and the preferable face of uniformity
Light, used in current backlight module, the quantity of blooming piece 14 is often no less than is two.
In addition to backlight module, the primary structure of liquid crystal display also includes liquid crystal panel 17 and front frame 18, its
In, liquid crystal panel 17 is assembled in the front side of glue frame 16, and front frame 18 is from the front side of liquid crystal panel 17 and backlight module
Backboard 11 assemble.
Along with the continuous progress of science and technology, consumer's need to the display device such as liquid crystal display, liquid crystal TV set
Asking and also constantly promoting, the renewal of the various aspects such as the structure of display device, outward appearance, performance is the most frequent.
During realizing this utility model, inventor finds that in prior art, at least there are the following problems: due to the back of the body
The thickness of light module is bigger, and the integral thickness causing display device is the biggest, and this obviously cannot meet works as
The development trend of front display device slimming.
Utility model content
This utility model embodiment provides a kind of backlight module, display module and display device, to reduce the back of the body
The thickness of light module, and then reduce the thickness of display device, it is achieved the slimming design of display device.
The backlight module that this utility model embodiment provides, including backboard, reflector plate, light guide plate, light sources
Part, glue frame and at least one the first blooming piece, wherein:
Described backboard includes diapire and the sidewall forming accommodation space；
Described reflector plate and light guide plate order are positioned in the accommodation space of backboard；
Described light source assembly is between light inputting end face and the sidewall of backboard of light guide plate；
Described glue frame is connected with backboard, including the side block wall relative with the sidewall of backboard, and with light guide plate
The front wall that front periphery is relative；
Described at least one the first blooming piece is positioned at the front side of light guide plate and is positioned at the front wall end face of glue frame
Inner side.
Preferably, have between front wall end face and described at least one first blooming piece of described glue frame swollen
Swollen gap.
It is also preferred that the left the sidewall of described backboard has at least one tongue piece protruding towards front side, described first light
Learn diaphragm each tongue piece corresponding and there is the hangers mounted with described tongue piece.
More preferably, described tongue piece at least two, it is arranged at side, the sky sidewall of backboard.
It is also preferred that the left the front wall dorsal part of described glue frame is fixed with buffering adhesive tape.
Optionally, the second blooming piece between the front wall of the front side of light guide plate and glue frame is also included.
Preferably, on front side of the front wall of described glue frame, there is the limited impression for spacing liquid crystal panel.
In this utility model embodiment technical scheme, the first blooming piece is positioned at the front side of light guide plate and is positioned at
Inside the front wall end face of glue frame, the i.e. first blooming piece is relative to placement location in glue frame, compared to existing technology,
The design of this structure can be greatly reduced the thickness of backlight module, and then can reduce the thickness of display device, real
The slimming design of existing display device.
This utility model embodiment also provides for a kind of display module, including the back of the body described in aforementioned arbitrary technical scheme
Light module, and be positioned at the liquid crystal panel on front side of backlight module and be positioned on front side of liquid crystal panel and and backlight module
The front frame connected.The thickness of this display module is less, and then the display device making to comprise this display module
Thickness is less, it is possible to achieve slimming designs.
This utility model embodiment also provides for a kind of display device, including the display mould described in preceding solution
Group.The thickness of this display device is less, meets the slimming development trend of display device.
Optionally, described display device includes liquid crystal TV set, liquid crystal display or liquid crystal advertisement screen.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that under,
Accompanying drawing during face describes is embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic cross-section of prior art display module；
Fig. 2 is the schematic cross-section of this utility model one embodiment display module；
Fig. 3 is the schematic cross-section of another embodiment of this utility model display module；
Fig. 4 is that the hangers of the first blooming piece coordinates schematic cross-section with the tongue piece of backboard；
Fig. 5 is that the hangers of the first blooming piece coordinates top view with the tongue piece of backboard.
Reference:
Prior art part:
11-backboard；12-reflector plate；13-light guide plate；14-blooming piece；15-LED lamp group；16-glue frame；
17-liquid crystal panel；Frame before 18-.
This utility model embodiment part:
21-backboard；22-reflector plate；23-light guide plate；25-light source assembly；26-glue frame；27-liquid crystal panel；
Frame before 28-；29-buffers adhesive tape；241-the first blooming piece；242-the second blooming piece；211-diapire；
212-sidewall；213-tongue piece；2411-hangers；261-side block wall；262-front wall；263-is spacing recessed
Groove.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in utility model embodiment, carries out clear, complete to the technical scheme in this utility model embodiment
Ground describes, it is clear that described embodiment is a part of embodiment of this utility model rather than whole realities
Execute example.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative labor
The all other embodiments obtained under dynamic premise, broadly fall into the scope of this utility model protection.
As in figure 2 it is shown, the backlight module that this utility model embodiment provides, including backboard 21, reflector plate
22, light guide plate 23, light source assembly 25, glue frame 26 and at least one the first blooming piece 241, wherein:
Backboard 21 includes diapire 211 and the sidewall 212 forming accommodation space；
Reflector plate 22 and light guide plate 23 order are positioned in the accommodation space of backboard 21；
Light source assembly 25 is between the light inputting end face and the sidewall 212 of backboard 21 of light guide plate 23；
Glue frame 26 is connected with backboard 21, including the side block wall 261 relative with the sidewall 212 of backboard 21, with
And the front wall 262 relative with the front periphery of light guide plate 23；
Before aforementioned at least one the first blooming piece 241 is positioned at the front side of light guide plate 23 and is positioned at glue frame 26
Inside the end face of retaining wall 262.
In this utility model embodiment, " front ", " front side " can be understood as display device and generally using
Time, these parts are near the side of beholder, and " dorsal part " then can be understood as these parts away from the one of beholder
Side.For the display device that liquid crystal TV set, liquid crystal display etc. are common, its global shape is rectangular, aobvious
Show equipment when normally using, its screen is towards beholder perpendicular to the ground or in a certain angle.Therefore,
Definition display device is when generally using, and " front side " is these parts sides near beholder, and " dorsal part " is
These parts are away from the side of beholder；Parts are " side, sky " away from the side on ground, near the side on ground
For " side ", parts are " left side " towards its side, left-hand side during beholder, and its right-hand side side is " right
Side ".
Based on above-mentioned definition, the sidewall 212 of backboard 21 can be divided into a day side sidewall, side sidewall, left side
Sidewall and right sidewall.In this utility model embodiment, the particular type of light source assembly 25 does not limits, excellent
Choosing uses LED group.The position that specifically arranges of light source assembly 25 does not limits, it is preferred that light guide plate 23
Side end face, ground is light inputting end face, and light source assembly 25 is arranged on side end face, ground and the backboard 21 of light guide plate 23
Between the sidewall of side, ground.
Glue frame 26 does not limits with the concrete attachment structure of backboard 21, and such as, the sidewall 212 at backboard 21 sets
Meter stuck point projection (not shown), the side block wall 261 of glue frame 26 is at corresponding Position Design hole clipping (figure
Not shown in), glue frame 26 realizes clamping with backboard 21 by the such structure of many groups；Additionally, backboard 26
Can also be achieved a fixed connection by securing members such as screws with glue frame 21.
In this utility model embodiment, the particular type of the first blooming piece 241 does not limits, such as, can be
Diffusion sheet, prismatic lens or screening glass etc..The quantity of the first blooming piece 241 does not limits, and can be one
, two, three or more multiple, need determine according to the optical design requirements of backlight module.
In this utility model embodiment technical scheme, before the first blooming piece 241 is positioned at light guide plate 23
Side and be positioned at the inner side of front wall 262 end face of glue frame 26, the i.e. first relative glue frame 26 of blooming piece 241
Middle placement location, middle blooming piece is between the front wall of light guide plate and glue frame compared to existing technology, this structure
Design can be greatly reduced the thickness of backlight module, and then can reduce the thickness of display device, it is achieved display
The slimming design of equipment.
In view of the first blooming piece 241 with expanding with heat and contract with cold that ambient temperature and humidity changes, it is preferred that glue frame 26
Front wall 262 end face and aforementioned at least one the first blooming piece 241 between there is expansion clearance.In advance
Stay this expansion clearance that the first blooming piece 241 can be avoided to cause, because expansion is squeezed, deformation of arching upward, thus
Ensure the picture quality of display device.
As shown in Figure 4 and Figure 5, in this embodiment, the sidewall 212 of backboard 21 has protruding towards front side
At least one tongue piece 213, first blooming piece 241 each tongue piece 213 corresponding has and tongue piece 213
The hangers 2411 of mounting.Using this structure to design, assembler can be quickly and accurately by the first blooming
Sheet 241 assembles location with glue frame, improves packaging efficiency, has ensured the precision assembled.
The particular number of tongue piece 213 and position is set does not limits.In this utility model preferred embodiment, tongue piece
At least two, is arranged at side, the sky sidewall of backboard.Assembler is when assembling, by the first blooming piece
The hangers of it side is articulated on the tongue piece of correspondence, and now the first blooming can naturally fall in the front wall end face of glue
Inner side, operates fast and accurately.
Embodiment as shown in Figure 3, backlight module can also include the front side being positioned at light guide plate 23 and glue frame
The second blooming piece 242 between the front wall 262 of 26.Second blooming piece 242 can be diffusion sheet etc.
The blooming piece that thickness is less.Compared to existing technology, the design of this structure still is able to reduce to a certain extent the back of the body
The thickness of light module.
As in figure 2 it is shown, it is also preferred that the left front wall 262 dorsal part of glue frame 26 is fixed with buffering adhesive tape 29.If
Put buffering adhesive tape 29 and can reduce front wall 262 to light guide plate 23 or the scratch of the second blooming piece, thus
Be conducive to improving picture quality and the qualification rate of product of display device.
Additionally, refer to shown in Fig. 2, it is preferred that have for limiting on front side of the front wall 262 of glue frame 26
The limited impression 263 of position liquid crystal panel 27.Liquid crystal panel 27 can be pasted and fixed on limit by buffering adhesive tape
In the groove 263 of position.Liquid crystal panel 27 is assembled in this limited impression 263, not only positions conveniently, and
And also will not increase the thickness of backlight module.
With reference to shown in Fig. 2, this utility model embodiment also provides for a kind of display module, including aforementioned arbitrary reality
Execute the backlight module of example, and before being positioned at the liquid crystal panel 27 on front side of backlight module and being positioned at liquid crystal panel 27
Side the front frame 28 being connected with backlight module.The thickness of this display module is less, and then makes to comprise this display
The thickness of the display device of module is less, it is possible to achieve slimming designs.
The assembling process of display module shown in Fig. 2 is as follows:
Light source assembly 25 is assembled in the accommodation space of backboard 21；
Reflector plate 22 and light guide plate 23 der group are contained in the accommodation space of backboard 21；
Glue frame 26 is assembled with backboard 21 from the front side of light guide plate 23；
The hangers of each the first blooming piece 241 is articulated on the tongue piece of backboard 21 by order, makes the first light
Diaphragm 241 is assembled in the inner side of the end face of the front wall 262 of glue frame 26；
Liquid crystal panel 27 is assembled in the limited impression 263 of glue frame 26；
Front frame 28 is assembled with glue frame 26 and backboard 21 from the front side of liquid crystal panel 27.
This utility model embodiment also provides for a kind of display device, including the display module of previous embodiment.Should
The thickness of display device is less, meets the slimming development trend of display device.The particular type of display device
Do not limit, such as, can be liquid crystal TV set, liquid crystal display or liquid crystal advertisement screen, etc..
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, rather than right
It limits；Although this utility model being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of this utility model each embodiment technical scheme.
Claims (10)
1. a backlight module, it is characterised in that include backboard, reflector plate, light guide plate, light source assembly,
Glue frame and at least one the first blooming piece, wherein:
Described backboard includes diapire and the sidewall forming accommodation space；
Described reflector plate and light guide plate order are positioned in the accommodation space of backboard；
Described light source assembly is between light inputting end face and the sidewall of backboard of light guide plate；
Described glue frame is connected with backboard, including the side block wall relative with the sidewall of backboard, and with light guide plate
The front wall that front periphery is relative；
Described at least one the first blooming piece is positioned at the front side of light guide plate and is positioned at the front wall end face of glue frame
Inner side.
Backlight module the most according to claim 1, it is characterised in that the front wall end of described glue frame
Between face and described at least one the first blooming piece, there is expansion clearance.
Backlight module the most according to claim 1, it is characterised in that the sidewall of described backboard has
At least one tongue piece protruding towards front side, described first blooming piece each tongue piece corresponding has with described
The hangers of tongue piece mounting.
Backlight module the most according to claim 3, it is characterised in that described tongue piece at least two,
It is arranged at side, the sky sidewall of backboard.
Backlight module the most according to claim 1, it is characterised in that the front wall back of the body of described glue frame
Side is fixed with buffering adhesive tape.
Backlight module the most according to claim 1, it is characterised in that also include being positioned at light guide plate
The second blooming piece between front side and the front wall of glue frame.
7. according to the backlight module described in any one of claim 1～6, it is characterised in that described glue frame
There is on front side of front wall the limited impression for spacing liquid crystal panel.
8. a display module, it is characterised in that include according to the back of the body described in any one of claim 1～7
Light module, and be positioned at the liquid crystal panel on front side of backlight module and be positioned on front side of liquid crystal panel and and backlight module
The front frame connected.
9. a display device, it is characterised in that include display module according to claim 8.
Display device the most according to claim 9, it is characterised in that described display device includes liquid
Brilliant television set, liquid crystal display or liquid crystal advertisement screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356458.5U CN205581472U (en) | 2016-04-25 | 2016-04-25 | Backlight unit , display module assembly and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356458.5U CN205581472U (en) | 2016-04-25 | 2016-04-25 | Backlight unit , display module assembly and display device |
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| Publication Number | Publication Date |
|---|---|
| CN205581472U true CN205581472U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620356458.5U Expired - Fee Related CN205581472U (en) | 2016-04-25 | 2016-04-25 | Backlight unit , display module assembly and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842919A (en) * | 2016-04-25 | 2016-08-10 | 乐视控股（北京）有限公司 | Backlight unit, display module and display equipment |
| WO2018205562A1 (en) * | 2017-05-12 | 2018-11-15 | 深圳Tcl新技术有限公司 | Frameless liquid crystal display module and liquid crystal television |
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2016
- 2016-04-25 CN CN201620356458.5U patent/CN205581472U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842919A (en) * | 2016-04-25 | 2016-08-10 | 乐视控股（北京）有限公司 | Backlight unit, display module and display equipment |
| WO2017185594A1 (en) * | 2016-04-25 | 2017-11-02 | 乐视控股（北京）有限公司 | Backlight module, display module and display device |
| WO2018205562A1 (en) * | 2017-05-12 | 2018-11-15 | 深圳Tcl新技术有限公司 | Frameless liquid crystal display module and liquid crystal television |
| CN110531460A (en) * | 2019-07-29 | 2019-12-03 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN110531460B (en) * | 2019-07-29 | 2024-04-30 | 武汉华星光电技术有限公司 | Backlight module and display device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |