CN106878510B - A kind of back light source structure, display panel and device - Google Patents
A kind of back light source structure, display panel and device Download PDFInfo
- Publication number
- CN106878510B CN106878510B CN201710232816.0A CN201710232816A CN106878510B CN 106878510 B CN106878510 B CN 106878510B CN 201710232816 A CN201710232816 A CN 201710232816A CN 106878510 B CN106878510 B CN 106878510B
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- China
- Prior art keywords
- backboard
- light
- fpc
- guide plate
- light guide
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
Abstract
This application discloses a kind of back light source structure, display panel and devices, to allow FPC to connect by heat-conducting glue with backboard, to achieve the effect that radiate before accelerating lamp.A kind of back light source structure provided by the present application, including backboard and flexible circuit board FPC, the FPC pass through backboard described in thermally conductive glue connection.Since the heating conduction of backboard is more preferable, FPC by thermally conductive glue connection backboard, can achieve the effect for accelerating to radiate before lamp by the application.
Description
Technical field
This application involves field of display technology more particularly to a kind of back light source structures, display panel and device.
Background technique
With the continuous improvement that market requires smart phone, supplier of the backlight as smart phone light source, market
It is required also higher and higher.Backlight overall development trend is substantially highlighted, high thin, narrow frame.With the increase of brightness,
Temperature is also increasing before lamp.Temperature is excessively high to may cause membrane material, light guide plate jaundice, and membrane material volume is stuck up；Backlight is influenced integrally to sample；Shadow
Ring user experience；The problems such as shortening backlight life.How rapid cooling has become a urgent problem to be solved.
Summary of the invention
The embodiment of the present application provides a kind of back light source structure, display panel and device, to allow FPC by heat-conducting glue with
Backboard connection, to achieve the effect that radiate before accelerating lamp.
A kind of back light source structure provided by the embodiments of the present application, including backboard and flexible circuit board FPC, the FPC pass through
Backboard described in thermally conductive glue connection.
Since the heating conduction of backboard is more preferable, it, can by FPC by thermally conductive glue connection backboard in the embodiment of the present application
To achieve the effect that radiate before accelerating lamp.
It optionally, further include the Light-emitting diode LED and shading rubber belt being located on the FPC, the shading rubber belt
Side towards the LED is pasted with reflector plate.
The embodiment of the present application attaches reflector plate by the side towards LED in shading rubber belt, bright so as to reduce LED
Degree loss.
Optionally, further include opposite with LED light guide plate on backboard, and be located at the backlight edge
Glue frame, double-sided adhesive is pasted on the inside of the light out part of the glue frame, for fixing the light guide plate.
Optionally, further include opposite with LED light guide plate on the backboard, and be located at the backlight
The glue frame at edge, the light guide plate are provided with card ear in light out part, fluted, the card are arranged on the inside of the light out part of the glue frame
Ear is matched with the groove, for fixing the light guide plate.
It optionally, further include the diffusion head secret note being located on the light guide plate, the reflector plate and the diffusion tip
Portion's secret note is in zero clearance contact in the Y direction, and the Y-direction is the direction parallel with the LED light-emitting surface.
The embodiment of the present application, by the way that reflector plate is contacted in zero clearance in the Y direction with the diffusion head secret note, thus
Brightness can be prevented unstable, the problems such as bright border.
It optionally, further include the prismatic lens being located on the light guide plate.
It optionally, further include diffusion sheet between the light guide plate and the backboard.
Optionally, the distance between the light-emitting surface of the LED and the edge FPC are within the scope of 0~0.12mm.
A kind of display panel provided by the embodiments of the present application, including the backlight knot provided by the embodiments of the present application
Structure.
A kind of display device provided by the embodiments of the present application, including the display panel provided by the embodiments of the present application.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the drawings in the following description are only some examples of the present application, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of backlight provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of backlight provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of backlight provided by the embodiments of the present application.
Specific embodiment
The embodiment of the present application provides a kind of back light source structure, display panel and device, to allow FPC by heat-conducting glue with
Backboard connection, to achieve the effect that radiate before accelerating lamp.
Referring to Fig. 1, a kind of back light source structure provided by the embodiments of the present application, including backboard 001 and flexible circuit board FPC
003, the FPC 003 connect the backboard 001 by heat-conducting glue 002.
Since the heating conduction of backboard is more preferable, it, can by FPC by thermally conductive glue connection backboard in the embodiment of the present application
To achieve the effect that radiate before accelerating lamp.
Wherein, why can achieve the effect that FPC rapid cooling, be primarily due to after positive group of lamp bar, FPC and backlight are carried on the back
Plate directly contacts, if not positive group of lamp bar, FPC is directly contacted with shading rubber belt, and the heat dissipation effect of shading rubber belt is far from
Backlight back plate (metal) it is good.
It optionally, further include the Light-emitting diode LED and shading rubber belt being located on the FPC, the shading rubber belt
Side towards the LED is pasted with reflector plate.
The embodiment of the present application attaches reflector plate by the side towards LED in shading rubber belt, bright so as to reduce LED
Degree loss.
Optionally, further include opposite with LED light guide plate on backboard, and be located at the backlight edge
Glue frame, double-sided adhesive is pasted on the inside of the light out part of the glue frame, for fixing the light guide plate.
Alternatively, further including opposite with LED light guide plate on the backboard optionally, and it is located at described
The glue frame at backlight edge, the light guide plate are provided with card ear in light out part, and setting is fluted on the inside of the light out part of the glue frame,
The card ear is matched with the groove, for fixing the light guide plate.
It optionally, further include the diffusion head secret note being located on the light guide plate, the reflector plate and the diffusion tip
Portion's secret note is in zero clearance contact in the Y direction, and the Y-direction is the direction parallel with the LED light-emitting surface.
The embodiment of the present application, by the way that reflector plate is contacted in zero clearance in the Y direction with the diffusion head secret note, thus
Brightness can be prevented unstable, the problems such as bright border.
The embodiment of the present application allows FPC to be connected by heat-conducting glue with backboard, to reach rapid cooling by positive group of lamp bar
Effect.Further, reflector plate (ESR) is attached in shading rubber belt light in part inner face, wherein ESR is black with diffusion head in the Y direction
Item is in zero clearance, because attaching ESR in shading rubber belt light in part inner face, so that LED is directly contacted with the ESR on shading rubber belt,
To while reaching FPC rapid cooling effect, it is thus also avoided that brightness caused by directly contacting because of LED with shading rubber belt is a large amount of
Loss, the generation for the problems such as uniformity is unstable, bright border.
It optionally, further include the prismatic lens being located on the light guide plate.
It optionally, further include diffusion sheet between the light guide plate and the backboard.
Optionally, the distance between the light-emitting surface of the LED and the edge FPC are within the scope of 0~0.12mm.
For example, as shown in Fig. 2, a kind of back light source structure provided by the embodiments of the present application includes: FPC 1, shading rubber belt 2,
LED 3, heat-conducting glue 10 are attached to diffusion sheet (ESR) 11 of the shading rubber belt 2 towards the side LED, diffusion head secret note 5, prismatic lens
6, light guide plate 7, reflector plate 8, backboard 9, glue frame 14, the double-sided adhesive 13 being attached on the inside of glue frame.
It is frequently designed as lamp bar reverse group at present, i.e. FPC is directly contacted with shading rubber belt, but the heat-conducting effect of shading rubber belt
It is ideal to be far from backboard heat-conducting effect.The application makes FPC be connected by heat-conducting glue with backboard, to reach by positive group of lamp bar
The purpose of radiating rate before to quickening lamp.
As shown in figure 3, other are designed without modification, then LED will when lamp bar is just organized if only changing lamp bar assembling mode
It directly contacts and (is not shown in Fig. 3, Fig. 3 is only schematic diagram, and actual conditions backlight has when assembling to be covered backlight and enter with shading rubber belt
The movement in light portion will lead to LED and directly contact with shading rubber belt).Presently used shading rubber belt is nearly all black double-sided adhesive, institute
If directly contacting with LED with shading rubber belt, brightness can be made to lose significantly；Also, since shading rubber belt and LED are perpendicular to back
There is certain gap (gap) (in abbreviation Z-direction) on the direction of plate, in an assembling process, pressure head portion in z-direction, so that LED
It is directly contacted with shading rubber belt, pressure head portion or firmly large and small when pressure head portion equal can all not influence the whole uniform of backlight
Degree.And light can directly reach the edge that adds lustre to by this gap, cause the possibility of bright border, wherein the line with the arrow in Fig. 3 indicates
The light that LED is issued.
In the embodiment of the present application, while reaching rapid cooling effect for positive group of lamp bar, to avoid LED and shading rubber belt
It directly contacts, attaches ESR (11 in Fig. 2) in shading rubber belt inner face, and ESR is in the direction (abbreviation Y-direction) for being parallel to backboard
Upper and diffusion head secret note (5 in Fig. 2) is in zero clearance.Contact LED directly with ESR, because ESR has the work of reflection light
With, the light that LED is issued can reflect again after reaching reflector plate, and so that light is utilized rather than is absorbed, so as to avoid
The generation for the problems such as luminance loss, the uniformity is unstable, bright border.
In addition, current general design multi-pass crosses FPC double-sided adhesive and carrys out lightguide plate fixing, and in the embodiment of the present application, because will
Positive group of lamp bar, LED light-emitting surface need to control within 0~0.12mm away from the edge FPC preset space, for example, can reserve 0.05mm away from
From, the 0.05mm embodied in Fig. 2, be both LED light-emitting surface at a distance from the edge FPC and LED light-emitting surface and light guide plate away from
From, therefore cannot be with the method come lightguide plate fixing, specific there are two reason, one the reason is that current adhesive tape in the industry was capable of processing
Minimum widith is 0.35mm, and the extra width of FPC at most only has 0.12mm, so unavailable；Second the reason is that, if adopting
With lamp glue lightguide plate fixing, in order to guarantee planarization, light guide plate needs to step down for lamp glue in thickness direction, so that light guide plate light
Do not allow easy to handle.Therefore, in the embodiment of the present application, double-sided adhesive is attached on the inside of glue frame light out part (in Fig. 2 circle) (in Fig. 2
13), assembled by light out part when assembling light guiding plate, carry out lightguide plate fixing in this approach.
In addition, if because the reasons such as the rubberizing area of double-sided adhesive lead to not by the inside of glue frame light out part (in Fig. 2 circle)
Double-sided adhesive lightguide plate fixing is attached, then can do two card ears in light guide plate light out part, do groove on the inside of glue frame light out part and match
Carry out lightguide plate fixing.
A kind of display panel provided by the embodiments of the present application, including the backlight knot provided by the embodiments of the present application
Structure.
A kind of display device provided by the embodiments of the present application, including the display panel provided by the embodiments of the present application.
For example, above-mentioned display device, can be mobile phone, computer, PAD, television set etc..
In conclusion disclosing a kind of back light source structure of optimization heat dissipation in the embodiment of the present application, backlight includes glue frame,
Backboard, reflector plate, light guide plate, diffusion sheet, prismatic lens, shading rubber belt, lamp bar (including flexible circuit board (Flexible
Printed Circuit, FPC) and light emitting diode (Light Emitting Diode, LED)), heat-conducting glue.Wherein, lamp bar
Positive group (FPC is contacted with the backboard of backlight), allows FPC to connect by heat-conducting glue with backboard, while in shading rubber belt light in part
The attached reflector plate of face paste (ESR), allows LED directly to contact with ESR, to avoid LED straight while reaching heat dissipation effect before quickening lamp
The problems such as connecing to contact with shading rubber belt causes brightness largely to be lost, and the uniformity is unstable, bright border.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (8)
1. a kind of backlight arrangement, including backboard and flexible circuit board FPC, which is characterized in that the FPC passes through thermally conductive glue connection
The backboard；Wherein,
Further include the Light-emitting diode LED and shading rubber belt on the FPC, the shading rubber belt towards the LED
Side be pasted with reflector plate；
It further include opposite with LED light guide plate on the backboard, and the glue frame positioned at the back plate edges；
It further include the diffusion head secret note on the light guide plate, the reflector plate and the diffusion head secret note are in the side Y
It is contacted upwards in zero clearance, the Y-direction is the direction parallel with the LED light-emitting surface.
2. backlight arrangement according to claim 1, which is characterized in that be pasted on the inside of the light out part of the glue frame double
Face glue, for fixing the light guide plate.
3. backlight arrangement according to claim 1, which is characterized in that the light guide plate is provided with card ear in light out part,
Setting is fluted on the inside of the light out part of the glue frame, and the card ear is matched with the groove, for fixing the light guide plate.
4. backlight arrangement according to claim 2 or 3, which is characterized in that further include being located on the light guide plate
Prismatic lens.
5. backlight arrangement according to claim 2 or 3, which is characterized in that between the light guide plate and the backboard
It further include diffusion sheet.
6. backlight arrangement according to claim 1, which is characterized in that the light-emitting surface of the LED and the edge FPC it
Between distance within the scope of 0~0.12mm.
7. a kind of display panel, which is characterized in that including the described in any item backlight arrangements of claim 1~6.
8. a kind of display device, which is characterized in that including display panel as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232816.0A CN106878510B (en) | 2017-04-11 | 2017-04-11 | A kind of back light source structure, display panel and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232816.0A CN106878510B (en) | 2017-04-11 | 2017-04-11 | A kind of back light source structure, display panel and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106878510A CN106878510A (en) | 2017-06-20 |
| CN106878510B true CN106878510B (en) | 2019-07-30 |
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ID=59162147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710232816.0A Active CN106878510B (en) | 2017-04-11 | 2017-04-11 | A kind of back light source structure, display panel and device |
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| Country | Link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889632A (en) * | 2019-02-27 | 2019-06-14 | 深圳奥比中光科技有限公司 | A kind of electronic equipment with high screen accounting |
| CN110928041B (en) * | 2019-11-22 | 2023-07-28 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN111638615A (en) * | 2020-06-12 | 2020-09-08 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN114387871A (en) * | 2021-11-30 | 2022-04-22 | 重庆惠科金渝光电科技有限公司 | Backlight module and display device |
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| CN203223889U (en) * | 2013-05-06 | 2013-10-02 | 上海鼎为软件技术有限公司 | Display device provided with heat conduction structure and heat conduction structure |
| CN203535342U (en) * | 2013-09-05 | 2014-04-09 | 合肥宝龙达光电技术有限公司 | Liquid crystal display module |
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| CN204806139U (en) * | 2015-07-31 | 2015-11-25 | 伟志光电（深圳）有限公司 | Adopt locking black and white screen backlight that moves structure |
| CN205942175U (en) * | 2016-07-08 | 2017-02-08 | 帝晶半导体（深圳）有限公司 | Can reduce structure that liquid crystal display module generates heat |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203223889U (en) * | 2013-05-06 | 2013-10-02 | 上海鼎为软件技术有限公司 | Display device provided with heat conduction structure and heat conduction structure |
| CN203535342U (en) * | 2013-09-05 | 2014-04-09 | 合肥宝龙达光电技术有限公司 | Liquid crystal display module |
| CN204717491U (en) * | 2015-06-08 | 2015-10-21 | 东莞市钰晟电子科技有限公司 | A kind of heat sinking backlight |
| CN204806139U (en) * | 2015-07-31 | 2015-11-25 | 伟志光电（深圳）有限公司 | Adopt locking black and white screen backlight that moves structure |
| CN205942175U (en) * | 2016-07-08 | 2017-02-08 | 帝晶半导体（深圳）有限公司 | Can reduce structure that liquid crystal display module generates heat |
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| Publication number | Publication date |
|---|---|
| CN106878510A (en) | 2017-06-20 |
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