CN106195765B - Backlight and display device - Google Patents
Backlight and display device Download PDFInfo
- Publication number
- CN106195765B CN106195765B CN201610547556.1A CN201610547556A CN106195765B CN 106195765 B CN106195765 B CN 106195765B CN 201610547556 A CN201610547556 A CN 201610547556A CN 106195765 B CN106195765 B CN 106195765B
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- backlight
- pasted onto
- prismatic lens
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
A kind of backlight of present invention offer and display device, including light guide plate and the optical film material being arranged on the light guide plate, which includes the upper prismatic lens, lower prismatic lens and diffusion sheet from top to bottom set gradually.Backlight further includes shading glue film, which is located at its excess-three side of light guide plate other than its incident side, and includes horizontal part and vertical component effect, and the two is interconnected to form right angle, wherein horizontal part is pasted onto the fringe region of optical film material upper surface；Vertical component effect is pasted onto the side of light guide plate.Backlight provided by the invention can solve the problems, such as that bright line occurs in the visible area edge of optical thin film displacement and display device.
Description
Technical field
The present invention relates to display technology fields, and in particular, to a kind of backlight and display device.
Background technology
It is become larger with the screen size of display device, display bezel becomes narrow gradually, and is brought to consumer ultimate attainment
Vision and tactile experience.But also give the critical piece of display device：The design of display module brings great challenge.Due to aobvious
Show that frame the more does the more narrow, the visible area side of display module is susceptible to bright line, influences picture effect.Meanwhile optical film material with
And the area that is adhesively fixed of display screen is smaller and smaller, causes when carrying out vibrations drop test, it is easy to optical film material shifting occur
Position and display screen are detached with backlight, to light leakage phenomena occur.
Fig. 1 is the local structural graph of existing backlight.Referring to Fig. 1, backlight includes from bottom to top setting gradually
Light guide plate 7, optical film material 8, down polaroid 3, array substrate 4, color membrane substrates 5 and upper polaroid 6 and glue frame 1 and respectively with
The shading rubber belt 2 that optical film material 8 and glue frame 1 are bonded.
As display bezel becomes narrow gradually, the width of glue frame 1 is smaller and smaller, causes not having between shading rubber belt 2 and glue frame 1
Also overlapping area not enough between enough overlapping areas and shading rubber belt 2 and optical film material 8, to be easy to out
The problem of existing optical film material 8 shifts.
Further, since having gap between light guide plate 7 and glue frame 1, the light in light guide plate 7 is by repeatedly reflecting it
Afterwards, a part of light can reflect away from the offside of 7 incident side of light guide plate, and be reflected via glue frame 1, the light meeting reflected
Cause human eye under certain angle it can be seen that bright line occurs in the visible area edge of display device, to influence display effect.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, it is proposed that a kind of backlight and display
Device can solve the problems, such as that bright line occurs in the visible area edge of optical thin film displacement and display device.
There is provided a kind of backlight to achieve the purpose of the present invention, including light guide plate and the light that is arranged on the light guide plate
Membrane material is learned, the optical film material includes the upper prismatic lens, lower prismatic lens and diffusion sheet from top to bottom set gradually.It further include shading
Glue-line, the shading glue film are located at its excess-three side of the light guide plate other than its incident side, and include horizontal part and vertical
Portion, the two are interconnected to form right angle, wherein
The horizontal part is pasted onto the fringe region of the optical film material upper surface；
The vertical component effect is pasted onto the side of the light guide plate.
Preferably, further include the lamp bar flexible PCB for the incident side for being located at the light guide plate, and be pasted onto the lamp bar
The layers of two-sided of flexible PCB lower surface, wherein
A part for the lamp bar flexible PCB is pasted onto the side of the diffusion sheet upper surface by the layers of two-sided
Edge region；
The layers of two-sided is opaque.
Preferably, one end that the incident side of the light guide plate is located in the lower prismatic lens is provided with protrusion, and accordingly
Lamp bar flexible PCB one end opposite with the lower prismatic lens is provided with recess portion, the protrusion is located at the recess portion
It is interior, and be pasted onto in the layers of two-sided.
Preferably, the protrusion includes two convex blocks of two edges for being located at the lower prismatic lens；It is described recessed
Portion is two, and position and the position of described two convex blocks correspond.
Preferably, down polaroid, array substrate, color film are from bottom to top disposed in the upper surface of the optical film material
Substrate and upper polaroid.
Preferably, the incident side of the light guide plate is provided with glue frame.
As another technical solution, the present invention also provides a kind of display device, including backlight, the backlight uses
Above-mentioned backlight provided by the invention.
The invention has the advantages that：
Shading glue is arranged in backlight provided by the invention, its excess-three side on light guide plate other than its incident side
Layer, which includes the horizontal part and vertical component effect for being interconnected to form right angle, which is pasted onto optical film material upper table
The fringe region in face, vertical component effect are pasted onto the side of light guide plate.This existing backlight is compared, and is eliminated in light guide plate in addition to it
The glue frame of its excess-three side setting except incident side, and above-mentioned shading glue film is used to replace, and be pasted onto by its horizontal part
The fringe region of optical film material upper surface, vertical component effect are pasted onto the side of light guide plate, can make shading glue film respectively with optical film
Enough overlapping areas are all had between material and light guide plate, so as to avoid optical film material from shifting.In addition, by using above-mentioned
Shading glue film replaces existing glue frame, can also solve the problems, such as that bright line occurs in the visible area edge of display device, so as to
To improve display effect.
Display device provided by the invention can solve optically thin by using above-mentioned backlight provided by the invention
Film shifts and the problem of bright line occurs in the visible area edge of display device, so as to improve display effect.
Description of the drawings
Fig. 1 is the local structural graph of existing backlight；
Fig. 2 is the partial structurtes of wherein side of the backlight provided in an embodiment of the present invention in addition to light guide plate incident side
Figure；
The local structural graph of the light guide plate incident side of Fig. 3 backlights provided in an embodiment of the present invention；
Fig. 4 is the vertical view of lower prismatic lens and lamp bar flexible PCB used in the embodiment of the present invention.
Specific implementation mode
To make those skilled in the art more fully understand technical scheme of the present invention, come below in conjunction with the accompanying drawings to the present invention
The backlight and display device of offer are described in detail.
Fig. 2 is the partial structurtes of wherein side of the backlight provided in an embodiment of the present invention in addition to light guide plate incident side
Figure.Referring to Fig. 2, backlight includes light guide plate 17, the optical film material 18 that is arranged on the light guide plate 17 and shading glue film 12.
Wherein, optical film material 18 includes upper prismatic lens 181, lower prismatic lens 182 and the diffusion sheet 183 from top to bottom set gradually.In addition,
The upper surface of optical film material 18 be from bottom to top disposed with down polaroid 13, array substrate 14, color membrane substrates 15 and it is upper partially
Mating plate 16.
Shading glue film 12 is located at its excess-three side of light guide plate 17 other than its incident side, and include horizontal part 121 and hang down
Straight portion 122, the two is interconnected to form right angle, wherein horizontal part 121 is pasted onto the marginal zone of the upper surface of prismatic lens 181
Domain；Vertical component effect 122 is pasted onto the side of light guide plate 17.
Backlight provided in an embodiment of the present invention compared with prior art, is eliminated in light guide plate other than its incident side
Its excess-three side setting glue frame, and use above-mentioned shading glue film 12 replace, the display device caused by the glue frame can be solved
Visible area edge there is the problem of bright line, so as to improve display effect.Moreover, by the way that horizontal part 121 is pasted onto
The fringe region of 181 upper surface of upper prismatic lens, vertical component effect 122 are pasted onto the side of light guide plate 17, and shading glue film 12 can be made to divide
Enough overlapping areas are not all had between optical film material 18 and light guide plate 17, so as to avoid optical film material 18 from shifting.
It should be noted that in order to adapt to the right-angle structure of shading glue film 12, it should suitably increase light guide plate 17 in addition to it enters
The length of its excess-three side except light side, to ensure that vertical component effect 122 can be completely bonded with the side of light guide plate 17.
The local structural graph of the light guide plate incident side of Fig. 3 backlights provided in an embodiment of the present invention.Referring to Fig. 3, leading
The incident side of tabula rasa 17, backlight further include glue frame 21, lamp bar 20, lamp bar flexible PCB 22, layers of two-sided 19 and incident side
Shading glue film 23.Wherein, layers of two-sided 19 is opaque, for example, by using black glue, is pasted onto lamp bar flexible PCB 22
Lower surface.A part (right end portion of lamp bar flexible PCB 22 in Fig. 3) for lamp bar flexible PCB 22 passes through double faced adhesive tape
The fringe region that layer 19 is pasted onto 183 upper surface of diffusion sheet avoids it from being displaced to improve the stability of diffusion sheet 183.
Simultaneously as layers of two-sided 19 covers the wedge-like portion region of light guide plate 17, the light reflected from the region can be blocked
Line so as to avoid the visible area edge of display device from bright line occur, and then can improve display effect.It is above-mentioned as a result,
Layers of two-sided 19 can not only replace the effect for the black adhesive tape being arranged in the prior art on diffusion sheet, but also can improve expansion
The stability of discrete piece 183.
Preferably, Fig. 4 is the vertical view of lower prismatic lens and lamp bar flexible PCB used in the embodiment of the present invention.It please refers to
Fig. 4, one end that the incident side of light guide plate 17 is located in lower prismatic lens 182 are provided with protrusion 182a, and accordingly in lamp bar flexibility
The one end opposite with lower prismatic lens 182 of circuit board 22 is provided with recess portion, and protrusion 182a is located in the recess portion, and is pasted onto double faced adhesive tape
On layer 19, so as to play the role of fixed lower prismatic lens 182, the stability of lower prismatic lens 182 is improved, it is avoided to move
Position.
In the present embodiment, protrusion 182a includes two convex blocks of two edges for being located at lower prismatic lens 182；With
It is corresponding, above-mentioned recess portion is two, and the position of position and the two convex blocks corresponds.But the present invention does not limit to
In this, in practical applications, quantity and the position of protrusion 182a can be designed as the case may be, and make quantity and the position of recess portion
It sets and is corresponded with protrusion.
In the present embodiment, incident side shading glue film 23 is pasted onto the upper surface of lamp bar flexible PCB 22, and incident side
One end (right end of incident side shading glue film 23 in Fig. 3) of shading glue film 23 extends to the upper surface with upper prismatic lens 181, and with
Bonding, offside one end (left end of incident side shading glue film 23 in Fig. 3) of incident side shading glue film 23 extends to where glue frame 1
At position, to play the role of fixed upper prismatic lens 181.
As another technical solution, the present invention also provides a kind of display devices, including backlight, and the backlight is using this
The above-mentioned backlight provided is provided.
Display device provided by the invention can solve optically thin by using above-mentioned backlight provided by the invention
Film shifts and the problem of bright line occurs in the visible area edge of display device, so as to improve display effect.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (5)
1. a kind of backlight, including light guide plate and the optical film material that is arranged on the light guide plate, the optical film material include by
Upper prismatic lens, lower prismatic lens and the diffusion sheet set gradually under above, which is characterized in that further include shading glue film, the shading
Glue-line is located at its excess-three side of the light guide plate other than its incident side, and includes horizontal part and vertical component effect, and the two mutually interconnects
It connects to form right angle, wherein
The horizontal part is pasted onto the fringe region of the optical film material upper surface；
The vertical component effect is pasted onto the side of the light guide plate；
Further include the lamp bar flexible PCB of the incident side positioned at the light guide plate, and is pasted onto under the lamp bar flexible PCB
The layers of two-sided on surface, wherein
A part for the lamp bar flexible PCB is pasted onto the marginal zone of the diffusion sheet upper surface by the layers of two-sided
Domain；
The layers of two-sided is opaque；
The one end for being located at the incident side of the light guide plate in the lower prismatic lens is provided with protrusion, and accordingly soft in the lamp bar
Property circuit board one end opposite with the lower prismatic lens is provided with recess portion, and the protrusion is located in the recess portion, and is pasted onto institute
It states in layers of two-sided.
2. backlight according to claim 1, which is characterized in that the protrusion includes being located at the lower prismatic lens
Two convex blocks of two edges；The recess portion is two, and position and the position of described two convex blocks correspond.
3. backlight according to claim 1 or 2, which is characterized in that the upper surface of the optical film material from bottom to top
It is disposed with down polaroid, array substrate, color membrane substrates and upper polaroid.
4. according to the backlight described in claims 1 or 2 any one, which is characterized in that set in the incident side of the light guide plate
It is equipped with glue frame.
5. a kind of display device, including backlight, which is characterized in that the backlight uses claim 1-4 any one institute
The backlight stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547556.1A CN106195765B (en) | 2016-07-12 | 2016-07-12 | Backlight and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547556.1A CN106195765B (en) | 2016-07-12 | 2016-07-12 | Backlight and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195765A CN106195765A (en) | 2016-12-07 |
| CN106195765B true CN106195765B (en) | 2018-10-19 |
Family
ID=57477318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547556.1A Active CN106195765B (en) | 2016-07-12 | 2016-07-12 | Backlight and display device |
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| Country | Link |
|---|---|
| CN (1) | CN106195765B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279459B (en) | 2017-01-05 | 2019-12-24 | 京东方科技集团股份有限公司 | Display module and display device |
| CN106970485B (en) * | 2017-02-28 | 2020-07-10 | 惠州Tcl移动通信有限公司 | Display device |
| CN106896582A (en) * | 2017-04-25 | 2017-06-27 | 武汉华星光电技术有限公司 | Backlight module and display |
| CN107121834A (en) * | 2017-05-12 | 2017-09-01 | 北京京东方茶谷电子有限公司 | Backlight module and its manufacture method, display device |
| CN107178713B (en) * | 2017-05-12 | 2018-11-09 | 武汉华星光电技术有限公司 | A kind of backlight module and display device |
| CN108847138B (en) * | 2018-07-16 | 2020-08-04 | 京东方科技集团股份有限公司 | Display and manufacturing method thereof |
| CN114758578A (en) * | 2021-01-11 | 2022-07-15 | 群创光电股份有限公司 | Electronic device with a detachable cover |
| CN115182669B (en) * | 2022-07-22 | 2023-12-08 | 福耀玻璃工业集团股份有限公司 | Dimming glass, vehicle door assembly and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202452309U (en) * | 2012-03-12 | 2012-09-26 | 京东方科技集团股份有限公司 | BLU and display unit |
| JP5532104B2 (en) * | 2012-10-18 | 2014-06-25 | オムロン株式会社 | Surface light source device, liquid crystal display device, and mobile device |
| JP2016085803A (en) * | 2014-10-23 | 2016-05-19 | ミネベア株式会社 | Planar lighting device, liquid crystal display device and assembly method of the same |
| CN204314572U (en) * | 2014-12-22 | 2015-05-06 | 深圳市隆利科技发展有限公司 | Liquid crystal display module leakproof light type shading glue structure |
| CN104914610A (en) * | 2015-06-24 | 2015-09-16 | 武汉华星光电技术有限公司 | Portable terminal end |
| CN105629549A (en) * | 2016-01-26 | 2016-06-01 | 武汉华星光电技术有限公司 | Rubber frame, backlight module and display device |
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2016
- 2016-07-12 CN CN201610547556.1A patent/CN106195765B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106195765A (en) | 2016-12-07 |
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