CN109451255A - A kind of energy-efficient backlight of television mould group - Google Patents
A kind of energy-efficient backlight of television mould group Download PDFInfo
- Publication number
- CN109451255A CN109451255A CN201811240540.1A CN201811240540A CN109451255A CN 109451255 A CN109451255 A CN 109451255A CN 201811240540 A CN201811240540 A CN 201811240540A CN 109451255 A CN109451255 A CN 109451255A
- Authority
- CN
- China
- Prior art keywords
- strip
- energy
- lamp bar
- mould group
- 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
Links
- 239000003292 glue Substances 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of energy-efficient backlight of television mould groups, it include: light guide plate, first strip, second strip and lamp bar, first strip and the second strip are separately positioned on light guide plate two sides of the bottom, the lamp bar is arranged between the first strip and the second strip, light emitting source is arranged at intervals in the lamp bar, the bottom surface of the light guide plate is provided with glue film, the glue film, lamp bar, light emitting source, light transmission glue is provided in the cavity that first strip and the second strip surround to be filled, the bottom of the lamp bar is provided with heat conduction copper sheet, limit plate is provided with below the heat conduction copper sheet, thermal vias is densely covered on the limit plate.By the above-mentioned means, energy-efficient backlight of television mould group of the present invention, especially uses glue film and light transmission glue, the light that light emitting source issues is introduced directly into light guide plate, reduces loss, and carries out the quick conductive of lamp bar using heat conduction copper sheet, it is radiated by thermal vias, improving stability.
Description
Technical field
The present invention relates to technical field of television sets, more particularly to a kind of energy-efficient backlight of television mould group.
Background technique
In LCD TV field, backlight module is the critical component of LCD TV, passes through light by the light that backlight module generates
The processing for learning device, through the different liquid crystal pixel cells of conducting degree, human eye it is seen that TV image.
The backlight module of LED side-light type is at low cost, using than wide, but the light quilt that LED is issued from light guide plate side
Reflection or refraction, only part enter light guide plate, and utilization rate is low, so that the brightness of LCD TV is low, solution is to increase
Add the power of LED, so that energy consumption is high, and the quantity of heat production of circuit increases, it is also necessary to be in addition arranged fan be aerated heat dissipation or
The other cooling systems of person carry out active cooling, further increase energy consumption, are unfavorable for the energy conservation of household electrical appliances.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of energy-efficient backlight of television mould groups, promote the utilization of light source
Rate and heat dissipation effect reduce energy consumption.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of energy-efficient television set back is provided
Optical mode group, comprising: light guide plate, the first strip, the second strip and lamp bar, first strip and the second strip are separately positioned on and lead
Tabula rasa two sides of the bottom, the lamp bar are arranged between the first strip and the second strip, are arranged at intervals with light emitting source in the lamp bar,
The bottom surface of the light guide plate is provided with glue film, the cavity that the glue film, lamp bar, light emitting source, the first strip and the second strip surround
It is inside provided with light transmission glue to be filled, the bottom of the lamp bar is provided with heat conduction copper sheet, is provided with below the heat conduction copper sheet
Limit plate is densely covered with thermal vias on the limit plate.
In a preferred embodiment of the present invention, the back side of the light guide plate is provided with reflector or reflective membrane.
In a preferred embodiment of the present invention, the light emitting source is encapsulation LED.
In a preferred embodiment of the present invention, the lamp bar is bar shaped wiring board.
In a preferred embodiment of the present invention, slope is respectively arranged on the inside of first strip and the second strip
The upper surface of face, the slope and lamp bar is respectively arranged with reflecting coating.
In a preferred embodiment of the present invention, the limit plate two sides are connected with the first strip and the second strip respectively
It connects, the limit plate, the first strip and the second strip are integrated plastic construction.
In a preferred embodiment of the present invention, the light transmission glue is identical as the material of glue film.
In a preferred embodiment of the present invention, the top plate of first strip and the second strip is respectively set vertical upwards
The limit flange of extension.
The beneficial effects of the present invention are: a kind of energy-efficient backlight of television mould group that the present invention points out, especially uses glue
The light that light emitting source issues is introduced directly into light guide plate, reduces loss by film and light transmission glue, advantageously reduce the power of light emitting source with
Energy consumption reduces the calorific value of lamp bar, and the quick conductive of lamp bar is carried out using heat conduction copper sheet, avoids hot-spot, passes through heat dissipation
Through-hole radiates, and reduces active heat removal system power or without using active heat removal system, is conducive to the densification of structure.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is a kind of structural schematic diagram of energy-efficient one preferred embodiment of backlight of television mould group of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of energy-efficient backlight of television mould group, comprising: light guide plate 2, the first strip 12, the second strip 5 and lamp bar 7, described
One strip 12 and the second strip 5 are separately positioned on 2 two sides of the bottom of light guide plate, the top plate of first strip 12 and the second strip 5
The limit flange 13 extended vertically upwards is respectively set, limit flange 13 is stuck in 2 two sides of light guide plate, assembly convenience, stable structure.
The lamp bar 7 is arranged between the first strip 12 and the second strip 5, sets on the inside of the first strip 12 and the second strip 5
It is equipped with card slot 14 corresponding with 7 edge of lamp bar, card slot 14 facilitates the sideslip assembly and positioning of lamp bar 7, avoids in use process
Shaking problem.
The lamp bar 7 is bar shaped wiring board, and light emitting source 8 is arranged at intervals in the lamp bar 7, and the light emitting source 8 is encapsulation
LED, low energy consumption, and brightness is high.The bottom surface of the light guide plate 2 is provided with glue film 1, and the glue film 1 of ultrathin transparent does not influence the biography of light
It passs.Be provided in the cavity that the glue film 1, lamp bar 7, light emitting source 8, the first strip 12 and the second strip 5 surround light transmission glue 11 into
Row filling, the light transmission glue 11 is identical as the material of glue film 1, the light that light emitting source 8 issues can be introduced directly into light guide plate 2, subtracted
Loss is lacked, has advantageously reduced the power and energy consumption of light emitting source 8, reduce the calorific value of lamp bar.
It is contacted in addition, glue film 1 avoids light guide plate 2 with the direct of light transmission glue 11, is conducive to the maintenance in later period, without carrying out
The removing of light transmission glue 11 and light guide plate 2, maintenance cost are low.
6 two sides of limit plate are connected with the first strip 12 and the second strip 5 respectively, the limit plate 6, the first strip
12 and second strip 5 be integrated plastic construction, sound construction.
The bottom of the lamp bar 7 is provided with heat conduction copper sheet 10, and the quick conductive of lamp bar 7 is carried out using heat conduction copper sheet 10, is kept away
Exempt from hot-spot, the lower section of the heat conduction copper sheet 10 is provided with limit plate 6, is densely covered with thermal vias 9 on the limit plate 6, leads to
The heat dissipation that thermal vias 9 carries out heat conduction copper sheet 10 is crossed, reduces active heat removal system power or without using active heat removal system.
The back side of the light guide plate 2 is provided with reflector 3 or reflective membrane, carries out the reflection of light, so that light is from leading
It projects in the front of tabula rasa 2, it is ensured that brightness.The inside of first strip 12 and the second strip 5 is respectively arranged with slope 4, institute
The upper surface for stating slope 4 and lamp bar 7 is respectively arranged with reflecting coating, carries out the reflection of light, so that light enters leaded light
Plate 2 promotes utilization rate.
In conclusion a kind of energy-efficient backlight of television mould group that the present invention points out, the light utilization of light emitting source 8 is high,
Low energy consumption, and quantity of heat production is small, and passive good heat dissipation effect, and stability in use is high, greatly reduces the cost of operation and maintenance.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of energy-efficient backlight of television mould group characterized by comprising light guide plate, the first strip, the second strip and lamp
Item, first strip and the second strip are separately positioned on light guide plate two sides of the bottom, and the lamp bar setting is in the first strip and the
Between two strips, light emitting source is arranged at intervals in the lamp bar, the bottom surface of the light guide plate is provided with glue film, the glue film, lamp
It is provided with light transmission glue in the cavity that item, light emitting source, the first strip and the second strip surround to be filled, the bottom of the lamp bar is set
It is equipped with heat conduction copper sheet, limit plate is provided with below the heat conduction copper sheet, is densely covered with thermal vias on the limit plate.
2. energy-efficient backlight of television mould group according to claim 1, which is characterized in that the back side of the light guide plate is arranged
There are reflector or reflective membrane.
3. energy-efficient backlight of television mould group according to claim 1, which is characterized in that the light emitting source is encapsulation LED.
4. energy-efficient backlight of television mould group according to claim 1, which is characterized in that the lamp bar is bar shaped route
Plate.
5. energy-efficient backlight of television mould group according to claim 1, which is characterized in that first strip and the second card
It is respectively arranged with slope on the inside of item, the upper surface of the slope and lamp bar is respectively arranged with reflecting coating.
6. energy-efficient backlight of television mould group according to claim 1, which is characterized in that the limit plate two sides respectively with
First strip and the second strip are connected, and the limit plate, the first strip and the second strip are integrated plastic construction.
7. energy-efficient backlight of television mould group according to claim 1, which is characterized in that the material of the light transmission glue and glue film
Matter is identical.
8. energy-efficient backlight of television mould group according to claim 1, which is characterized in that first strip and the second card
The limit flange extended vertically upwards is respectively set in the top plate of item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240540.1A CN109451255B (en) | 2018-10-24 | 2018-10-24 | Energy-saving television backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240540.1A CN109451255B (en) | 2018-10-24 | 2018-10-24 | Energy-saving television backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109451255A true CN109451255A (en) | 2019-03-08 |
| CN109451255B CN109451255B (en) | 2024-04-16 |
Family
ID=65547904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811240540.1A Active CN109451255B (en) | 2018-10-24 | 2018-10-24 | Energy-saving television backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451255B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070080422A (en) * | 2006-02-07 | 2007-08-10 | 엘지전자 주식회사 | Prism sheet having reflective layer, back light unit and liquid crystal display having the same |
| TW201116900A (en) * | 2009-11-09 | 2011-05-16 | Au Optronics Corp | Light emitting device |
| CN108365075A (en) * | 2017-01-26 | 2018-08-03 | 行家光电股份有限公司 | Wafer-class encapsulation light-emitting device with inclined-plane chip catoptric arrangement and its manufacturing method |
| CN208806899U (en) * | 2018-10-24 | 2019-04-30 | 江苏运鸿辉电子科技有限公司 | A kind of energy-efficient backlight of television mould group |
-
2018
- 2018-10-24 CN CN201811240540.1A patent/CN109451255B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070080422A (en) * | 2006-02-07 | 2007-08-10 | 엘지전자 주식회사 | Prism sheet having reflective layer, back light unit and liquid crystal display having the same |
| TW201116900A (en) * | 2009-11-09 | 2011-05-16 | Au Optronics Corp | Light emitting device |
| CN108365075A (en) * | 2017-01-26 | 2018-08-03 | 行家光电股份有限公司 | Wafer-class encapsulation light-emitting device with inclined-plane chip catoptric arrangement and its manufacturing method |
| CN208806899U (en) * | 2018-10-24 | 2019-04-30 | 江苏运鸿辉电子科技有限公司 | A kind of energy-efficient backlight of television mould group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109451255B (en) | 2024-04-16 |
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