CN209356816U - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN209356816U CN209356816U CN201920409006.2U CN201920409006U CN209356816U CN 209356816 U CN209356816 U CN 209356816U CN 201920409006 U CN201920409006 U CN 201920409006U CN 209356816 U CN209356816 U CN 209356816U
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- CN
- China
- Prior art keywords
- circuit plate
- backlight
- backlight circuit
- adhesive
- display device
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Abstract
The utility model discloses a kind of display devices, and including the cover board, liquid crystal display and backlight module being stacked from top to bottom, the backlight module includes light-guide device and the light source that light-guide device side is arranged in；The light source includes lamp bar and the backlight circuit plate that lamp bar upper surface is arranged in, and the lower surface of the backlight circuit plate is adhesively fixed in the glue frame of light-guide device and backlight module by the first adhesive；The second adhesive is coated between the backlight circuit plate and cover board, second adhesive is used for the setting that is adhesively fixed between backlight circuit plate and cover board.By being coated with the second adhesive between backlight circuit plate and cover board, second adhesive will be adhesively fixed between backlight circuit plate and cover board, on the one hand the pressuring action played to backlight circuit plate will not be detached from so that backlight circuit plate is fixedly secured in glue frame with glue frame.
Description
Technical field
The utility model relates to field of display technology, relate more specifically to a kind of display device.
Background technique
With the continuous development of display technology, the screen accounting height, ultra-narrow frame of display device, display area are big, frame
Increasingly narrowization develops, due to backlight circuit plate be typically necessary draw after be bent to the back side of backlight module and assembled again
Fixed, the backlight circuit plate after bending has the power of rebound, along with the design of narrow frame, pastes the adhesive of backlight circuit plate
Bond area also very little is easy to appear the phenomenon that backlight circuit plate is separated with adhesive in failtests.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of display device, by cover board with
The second adhesive is fixedly connected between backlight circuit plate, on the one hand the second adhesive plays cover board is Nian Jie with backlight circuit plate
On the one hand fixed effect plays the pressuring action to backlight circuit plate, so that backlight circuit plate is fixedly secured in glue frame, no
It can be detached from glue frame.
The utility model technical effect to be achieved passes through following scheme and realizes: a kind of display device, including from upper past
Under the cover board, liquid crystal display and the backlight module that are stacked, the backlight module includes light-guide device and setting in guide-lighting member
The light source of part side；The light source includes lamp bar and the backlight circuit plate that lamp bar upper surface is arranged in, the backlight circuit plate
Lower surface is adhesively fixed in the glue frame of light-guide device and backlight module by the first adhesive；The backlight circuit plate and cover board
Between be coated with the second adhesive, second adhesive is used for the setting that is adhesively fixed between backlight circuit plate and cover board.
Preferably, second adhesive is bonding with backlight circuit plate greater than the second adhesive with the bond area of cover board
Area.
Preferably, the liquid crystal display includes the upper polaroid being cascading from top to bottom, upper sheet glass, bottom sheet
Glass and down polaroid.
Preferably, the backlight module further includes the photomask being arranged in above light-guide device, one end of the photomask
It is fixedly connected with the upper surface of backlight circuit plate.
Preferably, the photomask is equipped with resilient mat layer, the elasticity on the side surface backwards to backlight circuit plate
Laying setting is abutted with lower sheet glass and resilient mat layer and backlight circuit plate vertical direction projected area at least partly
Overlapping.
Preferably, the resilient mat layer is the sticking foam of two-sided tool.
Preferably, the backlight module further includes metal backing and the glue frame that is fixedly connected with metal backing, the metal
Backboard includes bottom plate and is folded upward at the side plate of extension by bottom plate periphery, and the glue frame is fixed on the inner periphery of side plate.
Preferably, the backlight module further includes the diffusion barrier that light-guide device upper surface is arranged in；It further include from the bottom up
It is cascading in the lower brightness enhancement film and upper brightness enhancement film of diffusion barrier upper surface.
1, the utility model between backlight circuit plate and cover board by being coated with the second adhesive, second adhesive
It will be adhesively fixed between backlight circuit plate and cover board, the pressuring action to backlight circuit plate on the one hand played, so that backlight circuit
Plate is fixedly secured in glue frame, will not be detached from glue frame；
2, by being equipped with resilient mat layer, the elastic backing on the side surface backwards to backlight circuit plate in photomask
Layer abuts setting with lower sheet glass and resilient mat layer and backlight circuit plate are least partially overlapped in the projected area of vertical direction.
On the one hand the resilient mat layer plays the buffer function to lower sheet glass, lower sheet glass is prevented to be damaged when falling；It is another
Aspect plays the role of overlaying photomask, makes the stronger upper surface for being fixed on backlight circuit plate of photomask.
Detailed description of the invention
Fig. 1 is a kind of partial structure side view of display device in the utility model；
Fig. 2 is the planar structure schematic diagram of the second adhesive bonded structure in the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figure 1, Figure 2, the utility model embodiment provides a kind of display device, including it is stacked from top to bottom
Cover board 100, liquid crystal display 300 and backlight module 400, wherein liquid crystal display 300 includes stacking gradually set from top to bottom
Upper polaroid 310, upper sheet glass 320, lower sheet glass 330 and the down polaroid 340 set, wherein the bottom sheet glass 330 is outside
A side glass 331 is extended to form, the upper surface binding of the side glass has driving IC332 and display wiring board 333.It is described
Pass through the fitting setting of OCA optical cement 200 between cover board 100 and liquid crystal display 300, it should be appreciated that 100 He of cover board
Conventional structure well known to those skilled in the art can be used in liquid crystal display 300, and the application does not repeat.
Backlight module 400 described in the utility model includes metal backing 490 and the glue being fixedly connected with metal backing 490
Frame 499, wherein glue frame 499 is in interior hollow shape, and the metal backing 490 includes bottom plate 491 and is bent up by 491 periphery of bottom plate
The side plate 492 extended is rolled over, the glue frame 499 is fixed on the inner periphery of side plate 492.
The backlight module 400 includes light-guide device 410 and the light source 420 that 410 side of light-guide device is arranged in, light source
420 light issued carry out in light-guide devices 410, and after being totally reflected in light-guide device 410, pass through the level of light-emitting surface
Surface is projected, and the light so as to issue the light source 420 for being set to side is converted into equally distributed area source 420.
The light source 420 includes lamp bar 421 and the backlight circuit plate 422 that 421 upper surface of lamp bar is arranged in, the backlight electricity
One end bending of road plate 422 extends to the back side of backlight module 400, and the lower surface of backlight circuit plate 422 passes through the first adhesive
423 are adhesively fixed in the glue frame 499 of light-guide device 410 and backlight module 400.The rebound of backlight circuit plate 422 in order to prevent
Power separates backlight circuit plate 422 with glue frame, and the second adhesive is coated between the backlight circuit plate 422 and cover board 100
440, second adhesive 440 will be adhesively fixed between backlight circuit plate 422 and cover board 100, on the one hand play to backlight electricity
The pressuring action of road plate 422 will not be detached from so that backlight circuit plate 422 is fixedly secured in glue frame with glue frame.
First adhesive 423 described in the utility model, the second adhesive 440 can be optical cement respectively or pressure-sensitive
Glue can guarantee that fixing intensity, specific material are not construed as limiting.
The bond area of second adhesive 440 and cover board 100 is greater than the as a further improvement of the utility model,
The bond area of two adhesives 440 and backlight circuit plate 422, can be such that the second adhesive 440 better plays to backlight in this way
Circuit board 422 overlays effect, and fixation is stronger.
The backlight module 400 further includes the photomask 430 that 410 top of light-guide device is arranged in, the photomask 430
One end is fixedly connected with the upper surface of backlight circuit plate 422.430 one side of photomask can be used to shading, on the other hand
It can be used to paste the liquid crystal display 300 that 400 top of backlight module is arranged in.Preferably, the photomask can use black
Black double-sided adhesive.
The photomask 430 is in the side surface backwards to backlight circuit plate 422 as a further improvement of the utility model,
Be equipped with resilient mat layer 431, the resilient mat layer 431 is abutted with lower sheet glass 330 setting and resilient mat layer 431 with carry on the back
Optical circuit board 422 is least partially overlapped in the projected area of vertical direction.431 one side of resilient mat layer is played to bottom sheet
The buffer function of glass 330 prevents lower sheet glass 330 to be damaged when falling；On the other hand overlaying to photomask 430 is played
Effect, makes the stronger upper surface for being fixed on backlight circuit plate 422 of photomask 430.
The material of resilient mat layer 431 described in the utility model can be the sticking foam of two-sided tool or other materials
Matter.
The backlight module 400 further includes the diffusion barrier 450 that 410 upper surface of light-guide device is arranged in, the diffusion barrier 450
There is extension in the side towards light source 420, the upper surface of the corresponding extension of the diffusion barrier 450 is equipped with the first light shield layer
451, the lower surface of the corresponding extension of the diffusion barrier 450 is equipped with the second light shield layer 452.By to 450 corresponding light source of diffusion barrier
420 side, while in the upper surface of diffusion barrier 450 first light shield layer 451 is set and in the lower surface of diffusion barrier 450 setting the
Two light shield layers 452 are effectively improved the hot spot phenomenon at 420 end of light source.Specifically, first light shield layer 451 and the second light shield layer
452 material can be secret note or black ink.
The backlight module 400 further includes the lower brightness enhancement film being cascading from the bottom up in 450 upper surface of diffusion barrier
460 and upper brightness enhancement film 470, the lower brightness enhancement film 460 and upper brightness enhancement film 470 avoid the extension setting of diffusion barrier 450.Due to light
For line after the injection of diffusion barrier 450, the directive property of light is poor, thus is made by the optically focused of lower brightness enhancement film 460 and upper brightness enhancement film 470
With light can be made to be enhanced on the direction perpendicular to diffusion barrier 450, improve the light luminance of front side emitter.It is described
Backlight module 400 further includes the reflectance coating 480 that 410 lower end surface of light-guide device is arranged in, and the reflectance coating 480 can be by guide-lighting member
The light of 410 lower end surface of directive light-guide device is reflected back in light-guide device 410 in part 410, prevents light from projecting light-guide device 410
Lower end surface, improve the utilization rate of light.
The reflectance coating 480, light-guide device 410, diffusion barrier 450, lower brightness enhancement film 460 and upper brightness enhancement film 470 are successively under
It is up stacked on bottom plate 491, in the space that side plate 492 and bottom plate 491 are formed, the photomask 430 and upper brightness enhancement film
470 are adhesively fixed.The material of the metal backing 490 can be iron, but not limited to this.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (8)
1. a kind of display device, including the cover board, liquid crystal display and backlight module being stacked from top to bottom, the backlight mould
Group includes light-guide device and the light source that light-guide device side is arranged in；The light source includes lamp bar and lamp bar upper surface is arranged in
Backlight circuit plate, the lower surface of the backlight circuit plate are adhesively fixed on light-guide device and backlight module by the first adhesive
In glue frame；It is characterized in that, being coated with the second adhesive between the backlight circuit plate and cover board, second adhesive is used for
By the setting that is adhesively fixed between backlight circuit plate and cover board.
2. a kind of display device as described in claim 1, which is characterized in that the bond area of second adhesive and cover board
Greater than the bond area of the second adhesive and backlight circuit plate.
3. a kind of display device as claimed in claim 1 or 2, which is characterized in that the liquid crystal display includes from top to bottom
Upper polaroid, upper sheet glass, lower sheet glass and the down polaroid being cascading.
4. a kind of display device as claimed in claim 3, which is characterized in that the backlight module further includes setting in guide-lighting member
One end of photomask above part, the photomask is fixedly connected with the upper surface of backlight circuit plate.
5. a kind of display device as claimed in claim 4, which is characterized in that the photomask is backwards to the one of backlight circuit plate
Side surface is equipped with resilient mat layer, and the resilient mat layer is abutted with lower sheet glass to be arranged and resilient mat layer and backlight circuit
Plate is least partially overlapped in the projected area of vertical direction.
6. a kind of display device as claimed in claim 5, which is characterized in that the resilient mat layer is that two-sided tool is sticking
Foam.
7. a kind of display device as claimed in claim 4, which is characterized in that the backlight module further include metal backing and with
The glue frame that metal backing is fixedly connected, the metal backing include bottom plate and are folded upward at the side plate of extension, institute by bottom plate periphery
State the inner periphery that glue frame is fixed on side plate.
8. a kind of display device as claimed in claim 7, which is characterized in that the backlight module further includes setting in guide-lighting member
The diffusion barrier of part upper surface；It further include the lower brightness enhancement film and upper blast being cascading from the bottom up in diffusion barrier upper surface
Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409006.2U CN209356816U (en) | 2019-03-28 | 2019-03-28 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409006.2U CN209356816U (en) | 2019-03-28 | 2019-03-28 | A kind of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209356816U true CN209356816U (en) | 2019-09-06 |
Family
ID=67804355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920409006.2U Active CN209356816U (en) | 2019-03-28 | 2019-03-28 | A kind of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209356816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032834A (en) * | 2022-06-23 | 2022-09-09 | 厦门天马微电子有限公司 | Drive substrate, backlight and display device |
-
2019
- 2019-03-28 CN CN201920409006.2U patent/CN209356816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032834A (en) * | 2022-06-23 | 2022-09-09 | 厦门天马微电子有限公司 | Drive substrate, backlight and display device |
| CN115032834B (en) * | 2022-06-23 | 2023-11-14 | 厦门天马微电子有限公司 | Driving substrate, backlight source and display device |
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