CN106019707A - Backlight source and mobile device - Google Patents
Backlight source and mobile device Download PDFInfo
- Publication number
- CN106019707A CN106019707A CN201610537189.7A CN201610537189A CN106019707A CN 106019707 A CN106019707 A CN 106019707A CN 201610537189 A CN201610537189 A CN 201610537189A CN 106019707 A CN106019707 A CN 106019707A
- Authority
- CN
- China
- Prior art keywords
- backlight
- wick
- insulation colloid
- housing
- coated
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
Abstract
The invention discloses a backlight source and a mobile device. The mobile device comprises a display panel and the backlight source, wherein the backlight source comprises a filament, an insulating colloid, a positive welding disc, a negative welding disc and a metal shell, the insulating colloid covers on the periphery of the filament, the positive welding disc and the negative welding disc are arranged at the insulating colloid, penetrate through the insulating colloid and are electrically connected with the filament, and the metal shell covers on the outer side of the insulating colloid. Differing from conditions of the prior art, when the backlight source of the mobile device is loaded with static electricity broken down from air, the static electricity is firstly guided away by the metal shell on the outer side of the filament and is directly guided into ground from the positive welding disc and the negative welding disc, so that burnout of the filament is avoided.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of backlight and mobile device.
Background technology
It is widely used in daily life at present to link up with the major part in the smart mobile phone exchanged all
Using LCM display screen, its backlight needed is usually LED backlight, but LED chip
Antistatic effect is the most weak, easily occurs the phenomenon of the dead lamp of electrostatic in production, secondly LED-backlit
Source is the maximum pyrotoxin of LCM display screen, and the heating problem of backlight also can affect Consumer's Experience.
The encapsulating structure of LED backlight generally includes and is attached to sapphire core by yellow fluorescent powder and row
Wick, is coated on the protection glue frame that described wick is peripheral, through described protection glue frame and be electrically connected with
In the both positive and negative polarity circuit of described wick and outside being exposed to described protection glue frame in order to be soldered to lamp
The pad of bar.The LED backlight using this encapsulation technology has poor antistatic capacity, quiet
Electricity may be sealed in wherein by wick by the discharge path from air, and from the both positive and negative polarity pad of backlight
Lead away, thus cause punch through wick, ultimately cause the necrosis of LED backlight.Due to LED-backlit
Source in use there will be wick heating, because the outside of wick is coated with the glue frame knot of isolation material
Structure, glue frame periphery is full of again air, and heat conductivity and the heat transfer coefficient of plastic cement are the lowest, wick
Heat does not has good heat dissipation path, and relative area of dissipation is the least, is easily caused heat and assembles.
Accordingly, it is desirable to provide a kind of backlight and mobile device, to solve above-mentioned technical problem.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of backlight with electrostatic-proof function
And mobile device.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: a kind of backlight,
Including wick, it is coated on the peripheral insulation colloid of described wick, is arranged at described insulation colloid and wears
Cross described insulation colloid with the positive pad being electrically connected with in described wick and negative pad, described backlight
Also include the metal shell being coated on the external side of described insulating cement.
Wherein, described metal shell includes mutually non-touching first housing and the second housing, described
First housing connects with described positive pad, and described second housing connects with described negative pad.
Wherein, described positive pad is arranged at the left bottom of described insulation colloid, and described negative pad sets
Being placed in the bottom right side of described insulation colloid, described first housing is coated with a left side half for described insulation colloid
Side, the right side that described second housing is covered in described insulation colloid is half side.
Wherein, clearance portion, described clearance portion are formed between described first housing and described second housing
Filled by SI semi-insulation colloid.
Wherein, described first housing includes being coated with the horizontal part at described insulation colloid top, vertically connecting
Connect described horizontal part and be coated with the vertical component effect in left side of described insulation colloid and vertical connect described hanging down
Straight portion is with the connecting portion connected with described positive pad.
Wherein, described second housing includes being coated with the horizontal part at the top of described insulation colloid, vertical
Connect described horizontal part and be coated with described insulation colloid right side vertical component effect and vertical connect described
Vertical component effect is with the connecting portion connected with described negative pad, and described clearance portion is formed at described first housing
Horizontal part and the horizontal part of described second housing between.
Wherein, described wick is generally grown up strip, and the cross section of described wick includes that top margin is with described
Top margin is parallel want to base and be connected between described top margin and base mutually relative to first
Side and second side, the length along left and right directions on described base is less than described top margin, described
First side inclined upward to the left, described second side inclined upward to the right, at the bottom of described first side
Portion forms the first rake, and the second rake is formed on the bottom of described second side.
Wherein, described insulation colloid encloses to be located at the periphery of described wick and partly exposes described wick,
Described insulation colloid uses same thickness to be coated with described wick, and forms thickness in the left end of described wick
Spending the first thicker end, the right-hand member in described wick forms the second end that thickness is thicker.
Wherein, the bottom and described the of the insulation colloid of the lower section of described first rake it is positioned at described in
The bottom of one end is collectively forming the first short slot portion, described in be positioned at the lower section of described second rake
The bottom of insulation colloid and the bottom of described the second end are collectively forming the second short slot portion, described face-bonding
Dish is arranged at described first short slot, and described negative pad is formed at described second short slot.
For solving above-mentioned technical problem, another technical solution used in the present invention is: a kind of mobile
Equipment, including display floater and backlight, described backlight includes wick, is coated on described wick
Peripheral insulation colloid, it is arranged at described insulation colloid and passes described insulation colloid with in described lamp
The positive pad of core electric connection and negative pad, described backlight also includes being coated on described insulation colloid
The metal shell in outside.
The invention has the beneficial effects as follows: be different from the situation of prior art, mobile device of the present invention
Backlight is by the electrostatic punctured from air, and first the metal shell outside wick leads
Walk electrostatic and directly import the earth from positive pad and negative pad, and then avoiding wick to be burned；Simultaneously
Strengthen heat radiation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the backlight of mobile device of the present invention；
Fig. 2 is that in Fig. 1, backlight heat operationally scatters and disappears direction schematic diagram.
Detailed description of the invention
The present invention will be described in detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, mobile device of the present invention includes display floater (not shown) and backlight,
The better embodiment of described backlight 100 includes wick 10, around the setting of described wick 10
Insulation colloid 20, it is respectively arranged at the positive pad 30 of the left and right sides of described insulation colloid 20 and negative
Pad 40, and it is covered in the metal shell 50 in the outside of described insulation colloid 20.Described metal-back
Body 50 includes the first housing 51 being positioned at left side and is positioned at second housing 52 on right side.
Described wick 10 is generally grown up bar shaped, and its cross section includes that top margin 11 is flat with described top margin 11
The relative base 12 of row and the opposite end of described top margin 11 and described base 12 coupled together
Mutually relative to first side 13 and second side 14.Described base 12 length in left-right direction
Length less than described top margin 11.Described first side 13 tilts towards upper left side, and described first
Side 13 is arc transition with the junction of described top margin.Described second side 14 is towards upper right side
Tilting, described second side 14 is arc transition with the junction of described top margin 11.Described wick
First rake 15 is formed on the bottom of one end of the first side 13 of 10.The of described wick 10
Second rake 16 is formed on the bottom of one end of dual side-edge 14.
Described insulation colloid 20 encloses to be located at four peripheries of described wick 10 and exposes described wick 10
Exposure 17.Described insulation colloid 20 uses same thickness to be coated with described wick 10, and in institute
The two ends, left and right stating wick 10 respectively form the thicker first end of thickness 21 and the second end 22.Institute
Rheme is in the bottom of the insulation colloid 20 of the lower section of described first rake 15 and described first end
The bottom of 21 is collectively forming the first short slot portion 23.The described lower section being positioned at described second rake 16
The insulation bottom of colloid 20 and the bottom of described the second end 22 be collectively forming the second short slot portion
24。
The described general rectangular-blocklike of positive pad 30, it is arranged at described first short slot portion 23.Institute
State positive pad 30 through described insulation colloid 20 to be electrically connected with described battery core 10.Described negative
The general rectangular bulk of pad 40, it is arranged at described second short slot 24.Described negative pad 40
Through described insulation colloid 20 to be electrically connected with in described battery core 10.Described positive pad 30 in order to
Connect the cathode circuit (not shown) on the FPC (flexible PCB) carrying described backlight 100.
Described negative pad 40 is in order to connect on the FPC (flexible PCB) carrying described backlight 100
Cathode traces (not shown).
The left side that described first housing 51 is coated on described insulation colloid 20 is half side.Described first housing
51 include being coated on the horizontal part 511 of the top side of described insulation colloid 20, the described water of vertical connection
The vertical component effect 512 in the left side being coated on described first end 21 in flat portion 511 and vertically connect institute
State vertical component effect 512 connecting portion 513 being electrically connected with described positive pad 30.Described second housing
52 include being coated on the horizontal part 521 of the top side of described insulation colloid 20, the described water of vertical connection
The vertical component effect 522 on the right side being coated on described the second end 22 in flat portion 521 and vertically connect institute
State vertical component effect 522 connecting portion 523 being electrically connected with described negative pad 40.Described first housing
The horizontal part 521 of the horizontal part 511 of 51 and described second housing 52 is also not attached to, therebetween
Form gap 514.Described gap 514 is possible to prevent described first housing 51 and described second housing
It is short-circuited between 52.Described gap 514 is filled by insulation colloid 20.
The metal shell 50 of the present invention is made for metal material, in the present embodiment, and described gold
The material belonging to housing 50 is copper.
Being different from prior art scenario, backlight 100 of the present invention is by puncturing from air
Electrostatic, first the metal shell 50 in the outside of wick 10 can lead away electrostatic and directly from positive pad 30
Import the earth with negative pad 40, and then avoid wick 10 to be burned.
Referring to Fig. 2, when the luminous work of backlight 100, the heat that wick 10 produces is by gold
Genus housing 50 dispels the heat faster, and (heat transfer coefficient of copper is high, more faster than plastic cement can transfer heat to air
In), it is possible to it is transmitted to positive pad 30 and negative pad 40 by metal shell 50, then by face-bonding
Dish 30 and the further heat conduction of negative pad 40 are on the base material copper of the FPC in order to carry backlight 100
(heat conductivity of copper is the highest, heat can be transmitted to quickly positive pad 30 and negative pad
40, and be ultimately led on FPC base material), therefore metal shell 50 also can expand area of dissipation,
Improve radiating effect.
The foregoing is only embodiments of the present invention, not thereby limit the patent model of the present invention
Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become
Change, or be directly or indirectly used in other relevant technical fields, be the most in like manner included in the present invention's
In scope of patent protection.
Claims (10)
1. a backlight, including wick, is coated on the peripheral insulation colloid of described wick, sets
It is placed in described insulation colloid and through described insulation colloid with the face-bonding being electrically connected with in described wick
Dish and negative pad, it is characterised in that: described backlight also includes being coated on the external side of described insulating cement
Metal shell.
Backlight the most according to claim 1, it is characterised in that: described metal shell bag
Include mutually non-touching first housing and the second housing, described first housing and described positive pad phase
Connecing, described second housing connects with described negative pad.
Backlight the most according to claim 1, it is characterised in that: described positive pad is arranged
In the left bottom of described insulation colloid, described negative pad is arranged at the bottom of the right side of described insulation colloid
Portion, the left side that described first housing is coated with described insulation colloid is half side, and described second housing is covered in institute
The right side stating insulation colloid is half side.
Backlight the most according to claim 3, it is characterised in that: described first housing with
Forming clearance portion between described second housing, described clearance portion is filled by SI semi-insulation colloid.
Backlight the most according to claim 4, it is characterised in that: described first housing bag
Include be coated with the horizontal part at described insulation colloid top, vertical connect described horizontal part and be coated with described absolutely
The vertical component effect in the left side of edge colloid and vertical connect described vertical component effect to connect with described positive pad
Connecting portion.
Backlight the most according to claim 5, it is characterised in that: described second housing bag
Include the horizontal part at the top being coated with described insulation colloid, the described horizontal part of vertical connection and be coated with described
The vertical component effect on the right side of insulation colloid and the described vertical component effect of vertical connection are to connect with described negative pad
Connecting portion, described clearance portion is formed at the horizontal part of described first housing and described second housing
Between horizontal part.
Backlight the most according to claim 6, it is characterised in that: described wick is generally grown up
Strip, the cross section of described wick include top margin parallel with described top margin want to base and connection
Between described top margin and base mutually relative to first side and second side, described base
Along the length of left and right directions less than described top margin, described first side inclined upward to the left, described
Second side inclined upward to the right, forms the first rake bottom described first side, and described second
Second rake is formed on the bottom of side.
Backlight the most according to claim 7, it is characterised in that: described insulation colloid encloses
Periphery the part of being located at described wick expose described wick, and described insulation colloid uses same thickness
It is coated with described wick, and forms the first end that thickness is thicker, in described lamp in the left end of described wick
The right-hand member of core forms the second end that thickness is thicker.
Backlight the most according to claim 8, it is characterised in that be positioned at described described in:
The insulation bottom of colloid of the lower section of one rake and the bottom of described first end are collectively forming the
One short slot portion, described in be positioned at the bottom and described the of insulation colloid of lower section of described second rake
The bottom of two ends is collectively forming the second short slot portion, and described positive pad is arranged at described first short slot,
Described negative pad is formed at described second short slot.
10. a mobile device, including display floater and backlight, described backlight include wick,
It is coated on the peripheral insulation colloid of described wick, is arranged at described insulation colloid and through described insulation
Colloid is with the positive pad being electrically connected with in described wick and negative pad, it is characterised in that: described backlight
Source also includes the metal shell being coated on the external side of described insulating cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537189.7A CN106019707A (en) | 2016-07-08 | 2016-07-08 | Backlight source and mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537189.7A CN106019707A (en) | 2016-07-08 | 2016-07-08 | Backlight source and mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019707A true CN106019707A (en) | 2016-10-12 |
Family
ID=57109774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537189.7A Pending CN106019707A (en) | 2016-07-08 | 2016-07-08 | Backlight source and mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106019707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581860A (en) * | 2020-12-30 | 2021-03-30 | 广东湾区智能终端工业设计研究院有限公司 | Backlight module, preparation method thereof and display device |
| CN115111539A (en) * | 2021-03-22 | 2022-09-27 | 丰田合成株式会社 | LED lighting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070052150A (en) * | 2005-11-16 | 2007-05-21 | 엘지.필립스 엘시디 주식회사 | Backlight unit and liquid crystal display device having the same |
| CN101900264A (en) * | 2010-03-11 | 2010-12-01 | 陕西科技大学 | High heat dissipation type high-power LED integrated packaging lamp |
| CN102128392A (en) * | 2010-12-08 | 2011-07-20 | 友达光电股份有限公司 | Light source module and backlight module |
| CN102606937A (en) * | 2012-03-13 | 2012-07-25 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) lamp strip and backlight module |
-
2016
- 2016-07-08 CN CN201610537189.7A patent/CN106019707A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070052150A (en) * | 2005-11-16 | 2007-05-21 | 엘지.필립스 엘시디 주식회사 | Backlight unit and liquid crystal display device having the same |
| CN101900264A (en) * | 2010-03-11 | 2010-12-01 | 陕西科技大学 | High heat dissipation type high-power LED integrated packaging lamp |
| CN102128392A (en) * | 2010-12-08 | 2011-07-20 | 友达光电股份有限公司 | Light source module and backlight module |
| CN102606937A (en) * | 2012-03-13 | 2012-07-25 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) lamp strip and backlight module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581860A (en) * | 2020-12-30 | 2021-03-30 | 广东湾区智能终端工业设计研究院有限公司 | Backlight module, preparation method thereof and display device |
| CN115111539A (en) * | 2021-03-22 | 2022-09-27 | 丰田合成株式会社 | LED lighting device |
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Application publication date: 20161012 |