CN106195765A - Backlight and display device - Google Patents
Backlight and display device Download PDFInfo
- Publication number
- CN106195765A CN106195765A CN201610547556.1A CN201610547556A CN106195765A CN 106195765 A CN106195765 A CN 106195765A CN 201610547556 A CN201610547556 A CN 201610547556A CN 106195765 A CN106195765 A CN 106195765A
- Authority
- CN
- China
- Prior art keywords
- backlight
- guide plate
- light guide
- 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.)
- Granted
Links
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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight and display device, and including light guide plate and the optical film material being arranged on this light guide plate, this optical film material includes the upper prismatic lens from top to bottom set gradually, lower prismatic lens and diffusion sheet.Backlight also includes shading glue film, and this shading glue film is positioned at light guide plate its excess-three side in addition to its incident side, and includes horizontal part and vertical component effect, and the two is interconnected to form right angle, and wherein, horizontal part is pasted onto the marginal area of optical film material upper surface；Vertical component effect is pasted onto the side of light guide plate.The backlight that the present invention provides, the problem that bright line occurs in its edge, viewing area that can solve optical thin film displacement and display device.
Description
Technical field
The present invention relates to Display Technique field, in particular it relates to a kind of backlight and display device.
Background technology
Along with the screen size of display device becomes larger, display bezel becomes narrow gradually, and brings ultimate attainment to consumer
Vision and tactile experience.But also give the critical piece of display device: the design of display module brings great challenge.Due to aobvious
Showing that frame does narrower and narrower, easily there is bright line in the visible area side of display module, affects picture effect.Meanwhile, optical film material with
And the area that is adhesively fixed of display screen is more and more less, cause when carrying out shaking drop test, it is easy to occur that optical film material moves
Position and display screen separate with backlight, thus 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, lower polaroid 3, array base palte 4, color membrane substrates 5 and upper polaroid 6, and glue frame 1 and respectively with
Optical film material 8 and the bonding shading rubber belt 2 of glue frame 1.
Along with display bezel becomes narrow gradually, the width of glue frame 1 is more and more less, causes not having between shading rubber belt 2 and glue frame 1
Enough overlap joint areas, and between shading rubber belt 2 and optical film material 8, there is no enough overlap joint areas yet, thus be easy to
The problem of existing optical film material 8 displacement.
Additionally, due to have gap between light guide plate 7 and glue frame 1, the light in light guide plate 7 is through repeatedly reflecting it
After, a part of light can reflect away from the offside of light guide plate 7 incident side, and reflects via glue frame 1, the light meeting reflected
Cause human eye under certain angle it can be seen that bright line occurs in the edge, viewing area of display device, thus affect display effect.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is proposed that a kind of backlight and display
Device, the problem that bright line occurs in its edge, viewing area that can solve optical thin film displacement and display device.
A kind of backlight is provided, including light guide plate and the light being arranged on described light guide plate for realizing the purpose of the present invention
Learning film material, described optical film material includes the upper prismatic lens from top to bottom set gradually, lower prismatic lens and diffusion sheet.Also include shading
Glue-line, described shading glue film is positioned at described light guide plate its excess-three side in addition to its incident side, and includes that horizontal part is with vertical
Portion, the two is interconnected to form right angle, wherein,
Described horizontal part is pasted onto the marginal area of described optical film material upper surface；
Described vertical component effect is pasted onto the side of described light guide plate.
Preferably, also include the lamp bar flexible PCB being positioned at the incident side of described light guide plate, and be pasted onto described lamp bar
The layers of two-sided of flexible PCB lower surface, wherein,
A part for described lamp bar flexible PCB is pasted onto the limit of described diffusion sheet upper surface by described layers of two-sided
Edge region；
Described layers of two-sided is opaque.
Preferably, the one end of the incident side being positioned at described light guide plate at described lower prismatic lens is provided with protuberance, and accordingly
One end relative with described lower prismatic lens at described lamp bar flexible PCB is provided with recess, and described protuberance is positioned at described recess
In, and be pasted onto in described layers of two-sided.
Preferably, described protuberance includes two projections laying respectively at two edges of described lower prismatic lens；Described recessed
Portion is two, and the position one_to_one corresponding of position and said two projection.
Preferably, the upper surface at described optical film material is from bottom to top disposed with lower polaroid, array base palte, color film
Substrate and upper polaroid.
Preferably, the incident side at described light guide plate is provided with glue frame.
As another technical scheme, the present invention also provides for a kind of display device, and including backlight, described backlight uses
The above-mentioned backlight that the present invention provides.
The method have the advantages that
The backlight that the present invention provides, its its excess-three side in addition to its incident side on light guide plate arranges shading glue
Layer, this shading glue film includes horizontal part and the vertical component effect being interconnected to form right angle, and this horizontal part is pasted onto table on optical film material
The marginal area in face, vertical component effect is pasted onto the side of light guide plate.This existing backlight is compared, and eliminates at light guide plate except it
The glue frame that its excess-three side outside incident side is arranged, and use above-mentioned shading glue film to replace, and be pasted onto by its horizontal part
The marginal area of optical film material upper surface, vertical component effect is pasted onto the side of light guide plate, can make shading glue film respectively with blooming
Enough overlap joint areas it are respectively provided with, such that it is able to avoid optical film material to shift between material and light guide plate.Additionally, it is above-mentioned by using
Shading glue film replaces existing glue frame, it is also possible to the problem of bright line occurs in the edge, viewing area solving display device, thus can
To improve display effect.
The display device that the present invention provides, its above-mentioned backlight provided by using the present invention, can solve optically thin
There is the problem of bright line in the edge, viewing area of film displacement and display device, such that it is able to improve display effect.
Accompanying drawing explanation
Fig. 1 is the local structural graph of existing backlight；
The partial structurtes of the backlight that Fig. 2 provides for the embodiment of the present invention wherein side in addition to light guide plate incident side
Figure；
The local structural graph of the light guide plate incident side of the backlight that Fig. 3 embodiment of the present invention provides；
Fig. 4 is lower prismatic lens and the top view of lamp bar flexible PCB of embodiment of the present invention employing.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, come the present invention below in conjunction with the accompanying drawings
The backlight and the display device that there is provided are described in detail.
The partial structurtes of the backlight that Fig. 2 provides for the embodiment of the present invention wherein side in addition to light guide plate incident side
Figure.Referring to Fig. 2, backlight includes light guide plate 17, the optical film material 18 being arranged on this 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.Additionally,
The upper surface of optical film material 18 be from bottom to top disposed with lower polaroid 13, array base palte 14, color membrane substrates 15 and on partially
Mating plate 16.
Shading glue film 12 is positioned at light guide plate 17 its excess-three side in addition to its incident side, and includes horizontal part 121 and hang down
Straight portion 122, the two is interconnected to form right angle, and wherein, horizontal part 121 is pasted onto the marginal zone of the upper surface of prismatic lens 181
Territory；Vertical component effect 122 is pasted onto the side of light guide plate 17.
The backlight that the embodiment of the present invention provides compared with prior art, eliminates at light guide plate in addition to its incident side
The glue frame that arranges of its excess-three side, and use above-mentioned shading glue film 12 to replace, the display device caused because of this glue frame can be solved
Edge, viewing area the problem of bright line occurs, such that it is able to improve display effect.And, by horizontal part 121 is pasted onto
The marginal area of upper prismatic lens 181 upper surface, vertical component effect 122 is pasted onto the side of light guide plate 17, can make shading glue film 12 points
Not and it is respectively provided with enough overlap joint areas, such that it is able to avoid optical film material 18 to shift between optical film material 18 and light guide plate 17.
It should be noted that for the right-angle structure adapting to shading glue film 12, should suitably increase light guide plate 17 and enter except it
The length of its excess-three side outside light side, to guarantee that vertical component effect 122 can be fitted completely with the side of light guide plate 17.
The local structural graph of the light guide plate incident side of the backlight that Fig. 3 embodiment of the present invention provides.Refer to Fig. 3, leading
The incident side of tabula rasa 17, backlight also includes 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, and for example with black glue, it 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
Layer 19 is pasted onto the marginal area of diffusion sheet 183 upper surface, thus improves the steadiness of diffusion sheet 183, it is to avoid it is shifted over.
Simultaneously as layers of two-sided 19 covers the wedge-like portion region of light guide plate 17, the light reflected from this region can be blocked
Line, such that it is able to avoid the edge, viewing area of display device bright line occur, and then can improve display effect.Thus, above-mentioned
Layers of two-sided 19 is possible not only in replacement prior art the effect of the black adhesive tape being arranged on diffusion sheet, and can improve expansion
The steadiness of discrete piece 183.
Preferably, Fig. 4 is lower prismatic lens and the top view of lamp bar flexible PCB of embodiment of the present invention employing.Refer to
Fig. 4, the one end of the incident side being positioned at light guide plate 17 at lower prismatic lens 182 is provided with protuberance 182a, and flexible at lamp bar accordingly
One end that circuit board 22 is relative with lower prismatic lens 182 is provided with recess, and protuberance 182a is positioned at this recess, and is pasted onto double faced adhesive tape
On layer 19, such that it is able to play the effect of fixing lower prismatic lens 182, improve the steadiness of lower prismatic lens 182, it is to avoid it moves
Position.
In the present embodiment, protuberance 182a includes two projections laying respectively at two edges of lower prismatic lens 182；With
Corresponding, above-mentioned recess is two, and the position one_to_one corresponding of position and the two projection.But the present invention does not limit to
In this, in actual applications, quantity and the position of protuberance 182a can be designed as the case may be, and make quantity and the position of recess
Put and protuberance one_to_one corresponding.
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-hand member of incident side shading glue film 23 in Fig. 3) of shading glue film 23 extends to and the upper surface of 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 glue frame 1 place
Position, in order to play the effect of fixing upper prismatic lens 181.
As another technical scheme, the present invention also provides for a kind of display device, and including backlight, this backlight uses this
The above-mentioned backlight that invention provides.
The display device that the present invention provides, its above-mentioned backlight provided by using the present invention, can solve optically thin
There is the problem of bright line in the edge, viewing area of film displacement and display device, such that it is able to improve display effect.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the exemplary enforcement that uses
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (7)
1. a backlight, including light guide plate and the optical film material that is arranged on described light guide plate, described optical film material include by
Upper and under the upper prismatic lens, lower prismatic lens and the diffusion sheet that set gradually, it is characterised in that also include shading glue film, described shading
Glue-line is positioned at described light guide plate its excess-three side in addition to its incident side, and includes horizontal part and vertical component effect, and the two interconnects mutually
Connect formation right angle, wherein,
Described horizontal part is pasted onto the marginal area of described optical film material upper surface；
Described vertical component effect is pasted onto the side of described light guide plate.
Backlight the most according to claim 1, it is characterised in that also include the lamp bar being positioned at the incident side of described light guide plate
Flexible PCB, and it is pasted onto the layers of two-sided of described lamp bar flexible PCB lower surface, wherein,
A part for described lamp bar flexible PCB is pasted onto the marginal zone of described diffusion sheet upper surface by described layers of two-sided
Territory；
Described layers of two-sided is opaque.
Backlight the most according to claim 2, it is characterised in that enter light what described lower prismatic lens was positioned at described light guide plate
One end of side is provided with protuberance, and is provided with in one end that described lamp bar flexible PCB is relative with described lower prismatic lens accordingly
Recess, described protuberance is positioned at described recess, and is pasted onto in described layers of two-sided.
Backlight the most according to claim 3, it is characterised in that described protuberance includes laying respectively at described lower prismatic lens
Two projections of two edges；Described recess is two, and the position one_to_one corresponding of position and said two projection.
5. according to the backlight described in claim 1-4 any one, it is characterised in that described optical film material upper surface by
Lower and on be disposed with lower polaroid, array base palte, color membrane substrates and upper polaroid.
6. according to the backlight described in claim 1-4 any one, it is characterised in that the incident side at described light guide plate is arranged
There is glue frame.
7. a display device, including backlight, it is characterised in that described backlight uses claim 1-6 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 true CN106195765A (en) | 2016-12-07 |
| CN106195765B 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN106195765B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896582A (en) * | 2017-04-25 | 2017-06-27 | 武汉华星光电技术有限公司 | Backlight module and display |
| CN106970485A (en) * | 2017-02-28 | 2017-07-21 | 惠州Tcl移动通信有限公司 | A kind of display device |
| 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 |
| CN107178713A (en) * | 2017-05-12 | 2017-09-19 | 武汉华星光电技术有限公司 | A kind of backlight module and display device |
| WO2018126746A1 (en) * | 2017-01-05 | 2018-07-12 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
| CN108847138A (en) * | 2018-07-16 | 2018-11-20 | 京东方科技集团股份有限公司 | The production method of display and display |
| US20220225521A1 (en) * | 2021-01-11 | 2022-07-14 | Innolux Corporation | Electronic device |
| CN115182669A (en) * | 2022-07-22 | 2022-10-14 | 福耀玻璃工业集团股份有限公司 | Dimming glass, vehicle door assembly and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018126746A1 (en) * | 2017-01-05 | 2018-07-12 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
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| CN106896582A (en) * | 2017-04-25 | 2017-06-27 | 武汉华星光电技术有限公司 | Backlight module and display |
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| CN107178713A (en) * | 2017-05-12 | 2017-09-19 | 武汉华星光电技术有限公司 | A kind of backlight module and display device |
| 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 |
| CN108847138A (en) * | 2018-07-16 | 2018-11-20 | 京东方科技集团股份有限公司 | The production method of display and display |
| US20220225521A1 (en) * | 2021-01-11 | 2022-07-14 | Innolux Corporation | Electronic device |
| CN114758578A (en) * | 2021-01-11 | 2022-07-15 | 群创光电股份有限公司 | Electronic device with a detachable cover |
| US11653462B2 (en) * | 2021-01-11 | 2023-05-16 | Innolux Corporation | Electronic device |
| CN115182669A (en) * | 2022-07-22 | 2022-10-14 | 福耀玻璃工业集团股份有限公司 | Dimming glass, vehicle door assembly and vehicle |
| 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 |
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|---|---|
| CN106195765B (en) | 2018-10-19 |
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