CN105508917A - Slot LED (light-emitting diode) lamp bar - Google Patents
Slot LED (light-emitting diode) lamp bar Download PDFInfo
- Publication number
- CN105508917A CN105508917A CN201511017915.4A CN201511017915A CN105508917A CN 105508917 A CN105508917 A CN 105508917A CN 201511017915 A CN201511017915 A CN 201511017915A CN 105508917 A CN105508917 A CN 105508917A
- Authority
- CN
- China
- Prior art keywords
- pcb board
- led lamp
- lamp bar
- light
- guide plate
- 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
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Classifications
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- 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
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0003—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being doped with fluorescent agents
Abstract
The invention relates to a slot LED (light-emitting diode) lamp bar. LED backlight is an important constituent part of a liquid crystal display module and provides necessary light input for a liquid crystal display screen. Most backlight has more or less light escape, enabling brightness of a back screen not to reach demands. The slot LED lamp bar comprises a PCB (printed circuit board) provided with an LED chip and is characterized by further including a light guide plate which is arranged on the upper surface of the PCB and connected with same, and fluorescence rubber powder is arranged between the light guide plate and the PCB. Problems of light escape of an LED light source and poor uniformity of pasting of LED lamp beads are solved, integral brightness of the backlight source is improved, and an LED lamp bead pasting cost and loading cost of a backlight source user are reduced.
Description
Technical field
The structure that the present invention relates to LED backlight is improved, especially a kind of insertion slot type LED lamp bar.
Background technology
LED-backlit is the important component part of liquid crystal display module, for LCDs provides necessary light to input.The backlight that current (9 ~ 25 cun) LCD display such as mobile phone, panel computer on the market adopts is provided by LED lamp bar, and this just exists the only no problem be fully used that the every LED lamp pearl in LED lamp bar sends.But most of backlight light that exists all is more or less overflowed, and this makes the brightness of carrying on the back screen often not reach requirement.
In order to improve the brightness of back of the body screen, manufacturer has to adopt the higher high-brightness LED lamp pearl of production cost and adopt the retes such as high-quality light guide plate, reflective membrane, brightness enhancement film to improve the brightness of back of the body screen.The light that LED lamp bar sends upwards is launched in vertical back of the body panel after light guide plate generation deviation through reflector plate, and utilizing emitted light vertically upward, after the effect of diffusion sheet and brightening piece, enters Liquid Crystal Module.But often when LED lamp bead joint strip due to the problems such as tin cream quality and scolding tin technology cause lamp pearl to rise and fall, displacement and lamp pearl face be from the light guide plate problem poor apart from the uniformity such as inconsistent.Which results in the effusion of some light, the maximized problem of the luminous utilization rate of LED lamp bead cannot be reached, directly results in the increase of production cost thus.
Summary of the invention
The present invention is directed to the defect that prior art exists, a kind of insertion slot type LED lamp bar is provided, can increase and the light of light guide plate in backlight is inputted, reduce the problems such as light is overflowed, LED lamp bead iron bar uniformity is not good, when the membrane material of backlight is constant, make light input reach maximization, and then improve the overall brightness of backlight.
For this reason, the present invention takes following technical scheme, and insertion slot type LED lamp bar, comprises pcb board, and pcb board arranges LED chip, characterized by further comprising and is arranged on pcb board upper surface and connected light guide plate, arrange fluorescence rubber powder between described light guide plate and pcb board.
Described light guide plate has groove, is filled with fluorescence rubber powder in groove, described pcb board to be stuck in groove and to be connected with light guide plate.
As preferably, also comprise guide-lighting groove, described guide-lighting groove has the slot of grafting pcb board, the side, top of described slot arranges a high-order cell wall, and opposite side arranges a low level cell wall, the silver reflector layer of brush one deck in two described cell walls.
Described slot is arranged and tops bar and get out of a predicament or an embarrassing situation, described pcb board position, location of getting out of a predicament or an embarrassing situation, the insertion depth of described lightguide plate fixing of topping bar.
Described top bar and get out of a predicament or an embarrassing situation between cavity in inject described in phosphor gel.
Described LED chip is bondd by crystal-bonding adhesive and the fin be arranged on pcb board.
Positive electrode pad on described pcb board is circular, and negative electrode pad is square,
The both sides of described pcb board are circular arc.
The present invention adopts two-in-one splicing structure, LED chip is directly filled and is attached in the gelled PCB of band, again PCB is connected by the bayonet socket pre-set with guide-lighting groove, finally directly in the cavity that pcb board and guide-lighting groove are formed, add fluorescence rubber powder reach an object encapsulated, formed insertion slot type LED lamp bar with this.
Use in the slot that light guide plate directly can be injected this product by user, the present invention not only effectively inhibits the problems such as the light of LED light source is overflowed, LED lamp bead joint strip uniformity is not good, backlight overall brightness is promoted, and reduces LED lamp bead joint strip and the dress bar cost of backlight user.
Accompanying drawing explanation
Fig. 1 is lamp bar top view of the present invention.
Fig. 2 is lamp sliver transvers section figure of the present invention.
Fig. 3 is slot cross-sectional view of the present invention.
Fig. 4 is slot schematic perspective view of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.
Embodiment 1, as Figure 1-4, insertion slot type LED lamp bar comprises pcb board 1, pcb board is arranged LED chip 2, also comprises guide-lighting groove 5, the both sides of guide-lighting groove have the slot 10 of grafting pcb board 1, arrange light guide plate above pcb board, arrange the phosphor gel being used for packaging LED chips between light guide plate and pcb board, the side, top of slot arranges a high-order cell wall 6, opposite side arranges the silver reflector layer of brush one deck in a low level cell wall 7, two cell walls.The silver reflector layer of brush one deck in cell wall.
Slot is arranged and tops bar 8 and get out of a predicament or an embarrassing situation 9, pcb board position, location of getting out of a predicament or an embarrassing situation, the insertion depth of lightguide plate fixing of topping bar.Phosphor gel is injected in cavity between topping bar and getting out of a predicament or an embarrassing situation.LED chip is bondd by crystal-bonding adhesive and the fin be arranged on pcb board.Positive electrode pad 3 on pcb board is circular, and negative electrode pad 4 is square, and the both sides of pcb board 1 are circular arc.
Embodiment 2, maximization is reached in order to make light utilization efficiency of the present invention, the present invention also has following replacement form, comprise light guide plate and pcb board, pcb board arranges LED chip, light guide plate has groove, is filled with fluorescence rubber powder in groove, pcb board to be stuck in groove and to be connected with light guide plate by fluorescence rubber powder.
Major technique innovative point of the present invention and Heterosis are:
1. the present invention is a kind of insertion slot type integrated LED lamp bar, light guide plate directly can be inserted in this product and use.Effectively improve the light utilization efficiency of backlight, decrease the light effusion of LED chip.
2. in slot, encapsulation object can be reached to the injection that the LED chip on pcb board carries out phosphor gel, make lamp bar to go out light consistency better.
When 3. effectively preventing conventional method from preparing LED backlight bar, there is problems such as rising and falling, position offsets, light-emitting area is inconsistent in LED lamp bead.
4. decrease the lamp pearl joint strip operation that backlight is produced, thus saved production cost to a certain extent, improve production capacity.
Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (6)
1. insertion slot type LED lamp bar, comprises pcb board, and pcb board arranges LED chip, characterized by further comprising and is arranged on pcb board upper surface and connected light guide plate, arrange fluorescence rubber powder between described light guide plate and pcb board.
2. insertion slot type LED lamp bar according to claim 1, described light guide plate has groove, is filled with fluorescence rubber powder in groove, and described pcb board to be stuck in groove and to be connected with light guide plate.
3. insertion slot type LED lamp bar according to claim 1, characterized by further comprising guide-lighting groove, described guide-lighting groove has the slot of grafting pcb board, the side, top of described slot arranges a high-order cell wall, opposite side arranges a low level cell wall, the silver reflector layer of brush one deck in two described cell walls.
4. insertion slot type LED lamp bar according to claim 3, is characterized in that described slot is arranged topping bar and getting out of a predicament or an embarrassing situation, described pcb board position, location of getting out of a predicament or an embarrassing situation, the insertion depth of described lightguide plate fixing of topping bar.
5. according to the insertion slot type LED lamp bar that claim 4 is stated, it is characterized in that described top bar and get out of a predicament or an embarrassing situation between cavity in inject described in phosphor gel.
6. insertion slot type LED lamp bar according to claim 5, is characterized in that described LED chip is bondd by crystal-bonding adhesive and the fin be arranged on pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017915.4A CN105508917B (en) | 2015-12-30 | 2015-12-30 | Insertion slot type LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017915.4A CN105508917B (en) | 2015-12-30 | 2015-12-30 | Insertion slot type LED light bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508917A true CN105508917A (en) | 2016-04-20 |
| CN105508917B CN105508917B (en) | 2018-09-21 |
Family
ID=55717104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511017915.4A Active CN105508917B (en) | 2015-12-30 | 2015-12-30 | Insertion slot type LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508917B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375309A (en) * | 2018-11-30 | 2019-02-22 | 东莞市谷麦光学科技有限公司 | A kind of composite LED light guide plate and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562174A (en) * | 2008-04-16 | 2009-10-21 | 宏齐科技股份有限公司 | LED chip encapsulating structure for backlight module and preparing method thereof |
| CN201475767U (en) * | 2009-08-24 | 2010-05-19 | 李子明 | LED light emitting panel |
| CN201811086U (en) * | 2010-09-02 | 2011-04-27 | 苏州冠捷科技有限公司 | Light emitting diode (LED) backlight device |
| CN102109131A (en) * | 2010-11-09 | 2011-06-29 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| KR20120002691A (en) * | 2010-07-01 | 2012-01-09 | 이준순 | Steam generator |
| CN104298002A (en) * | 2014-10-10 | 2015-01-21 | 京东方光科技有限公司 | Backlight module and display device |
| CN205388252U (en) * | 2015-12-30 | 2016-07-20 | 杭州迅盈光电科技有限公司 | Slot -in type LED lamp strip |
-
2015
- 2015-12-30 CN CN201511017915.4A patent/CN105508917B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562174A (en) * | 2008-04-16 | 2009-10-21 | 宏齐科技股份有限公司 | LED chip encapsulating structure for backlight module and preparing method thereof |
| CN201475767U (en) * | 2009-08-24 | 2010-05-19 | 李子明 | LED light emitting panel |
| KR20120002691A (en) * | 2010-07-01 | 2012-01-09 | 이준순 | Steam generator |
| CN201811086U (en) * | 2010-09-02 | 2011-04-27 | 苏州冠捷科技有限公司 | Light emitting diode (LED) backlight device |
| CN102109131A (en) * | 2010-11-09 | 2011-06-29 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| CN104298002A (en) * | 2014-10-10 | 2015-01-21 | 京东方光科技有限公司 | Backlight module and display device |
| CN205388252U (en) * | 2015-12-30 | 2016-07-20 | 杭州迅盈光电科技有限公司 | Slot -in type LED lamp strip |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375309A (en) * | 2018-11-30 | 2019-02-22 | 东莞市谷麦光学科技有限公司 | A kind of composite LED light guide plate and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508917B (en) | 2018-09-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211207 Address after: 324022 No. 18, Fengqi Road, Qujiang District, Quzhou City, Zhejiang Province Patentee after: Dachen display technology (Quzhou) Co.,Ltd. Address before: 310030 fourth floor, No. 2 plant, No. 3, jiuqugang Road, Liangzhu street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU SUNWIN PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 324022 No. 18, Fengqi Road, Qujiang District, Quzhou City, Zhejiang Province Patentee after: Dachen Display Technology (Quzhou) Co.,Ltd. Address before: 324022 No. 18, Fengqi Road, Qujiang District, Quzhou City, Zhejiang Province Patentee before: Dachen display technology (Quzhou) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |