CN108919411A - Middle large-size ultra-thin highlights tablet computer LED backlight - Google Patents
Middle large-size ultra-thin highlights tablet computer LED backlight Download PDFInfo
- Publication number
- CN108919411A CN108919411A CN201810384498.4A CN201810384498A CN108919411A CN 108919411 A CN108919411 A CN 108919411A CN 201810384498 A CN201810384498 A CN 201810384498A CN 108919411 A CN108919411 A CN 108919411A
- Authority
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- China
- Prior art keywords
- light guide
- guide plate
- glue
- frame
- tablet computer
- 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.)
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Classifications
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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
- G02B6/0011—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 planar or of plate-like form
- G02B6/0066—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 planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02B6/0011—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 planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02B6/0011—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 planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses middle large-size ultra-thin highlight tablet computer LED backlight, including blue PET, reflector plate, glue frame, light guide plate, LED component, one side glue, lower diffusion paper, under add lustre to, on add lustre to, upper diffusion, shading glue, iron frame, wherein：Be successively arranged on the light guide plate lower diffusion paper, under add lustre to, on add lustre to, upper diffusion, shading glue, reflector plate, blue PET are successively arranged under light guide plate, the reflector plate is integrated in light guide plate lower end, the light guide plate is fixed by snap to be mounted in glue frame, and the glue frame, which is screwed, to be mounted on iron frame.The present invention is by optimizing structure design and promotes processing technology, can effectively promote the brightness of backlight, keep the flatness of product, keep product more lightening, and promote its rigidity and intensity, reduce product cost, promote the production yield of product.
Description
Technical field
The present invention relates to LED backlight technical fields more particularly to middle large-size ultra-thin to highlight tablet computer LED backlight
Source.
Background technique
Tablet computer Ultrathin high-brightness LED backlight：Side light emitting structure, mainly by glue frame, iron frame, light guide plate, bright enhancement film,
The composition such as diffusion barrier, reflectance coating, shading glue, LED component, but it is different from the light guide plate and optical film material of conventional LED backlight
Planar structure, in protrusion it is large-sized simultaneously, more important promotion product brightness, control product integral thickness, reach ultra-thin
It is highlighted.
Flat panel products are not yet introduced to the market when 2004, until 2010 with the release of apple IPAD, city
Field enters the fast-developing phase, drives ordinary flat backlight market, 7-10.1 is very little, thickness 3.5-4.5mm, IV:4000—
5000CD/m2, frame：3.3mm；Tablet computer is universal within 2015, the market stability phase, and applies on two-in-one plate, 7-
10.1 cun, thickness 2.5-3.2mm, IV:6000—7000CD/m2, frame：2.5mm；By 2017 in order to cater to market difference
Change, the market trend of Ultrathin high-brightness, develops Ultrathin high-brightness backlight, 8-14 cuns of LED backlight thickness 1.98mm, IV:10000 CD/
m2, frame：1.15mm.To sum up, tablet computer Ultrathin high-brightness LED backlight is shown always towards large scale, slimming, highlighted
The direction of degree is developed, but energy consumption how is reduced while promoting the brightness of LED backlight, how in increased in size, reduction
Enhance overall structure while thickness, the reliability for promoting product is present problems faced.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of highlighted tablet computer use of middle large-size ultra-thin
LED backlight.
Technical scheme is as follows：Middle large-size ultra-thin highlights tablet computer LED backlight, including blue PET,
Reflector plate, glue frame, light guide plate, LED component, one side glue, lower diffusion paper, under add lustre to, on add lustre to, upper diffusion, shading glue, iron frame,
Wherein：Be successively arranged on the light guide plate lower diffusion paper, under add lustre to, on add lustre to, upper diffusion, shading glue, successively set under light guide plate
There are reflector plate, blue PET, the reflector plate is integrated in light guide plate lower end, and the light guide plate is fixed by snap to be mounted on glue frame
Interior, the glue frame, which is screwed, to be mounted on iron frame, and light guide plate upper surface is equipped with V slot, and planar section is equipped with volcanic crater, institute
It states LED component and is located at light guide plate side, and be fixedly mounted in glue frame by one side glue, the iron frame is integrated knot with glue frame
Structure.
Preferably, the light guide plate is oblique.
Preferably, the iron frame is High-strength aluminum product, and two sides is equipped with point.
Preferably, the light guide plate is processed into using compression mould technology, and with a thickness of 0.4mm, the V groove depth is
0.02mm, the volcanic crater depth can be controlled in 5-15 μm, and controlled diameter system is at 40-75 μm.
Preferably, the iron frame and the integral structure narrow side width of frame of glue frame are 1.15mm.
Technical effect and advantage of the invention：V-CUT technology is added using compression mould injection molding using ultra-thin light guide board,
Under the premise of not increasing input power, can effectively promote the brightness of LED backlight, and reduce product cost, reduce light guide plate and
The contact area of diffusion can promote the production yield of product；Reflectance coating is integrated on light guide plate, LED backlight system is simplified,
Improve the brightness of LED backlight；The integrated design of iron frame and glue frame reduces the deflection of rubber shell contraction from structure, has
Effect improves RA reliability；Iron frame can effectively reduce the weight of backlight module using aluminium, promote the experience sense of user, using double
The High-strength aluminum product of face point technique, can effectively reduce internal stress, keep flatness, product be thinned guarantee under state it is best rigid
Property and intensity；By the exploitation of compression mould, the importing of hot flow path, the use of light guide plate high fluidity material makes guide-lighting plate thickness
Degree is thinned to current 0.4mm from original 0.8mm, and product is more lightening.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of light guide plate of the invention.
Fig. 3 is glue frame of the invention and iron frame integral structure schematic diagram.
Fig. 4 is that point structural schematic diagram is pressed on iron frame surface of the invention.
In figure：1 blue PET, 2 reflector plates, 3 glue frames, 4 light guide plates, 4-1V slot, the volcanic crater 4-2,5LED component, 6 single sides
Add lustre under glue, 7 lower diffusion paper, 8, add lustre on 9, diffusion, 11 shading glues, 12 aluminium frames, 12-1 point on 10.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, middle large-size ultra-thin highlights tablet computer LED backlight, including blue PET1, reflector plate 2, glue
Frame 3, light guide plate 4, LED component 5, one side glue 6, lower diffusion paper 7, under add lustre to 8, on add lustre to 9, upper diffusion 10, shading glue 11, iron frame
12, wherein：Be successively arranged on the light guide plate 4 lower diffusion paper 7, under add lustre to 8, on add lustre to 9, upper diffusion 10, shading glue 11, it is guide-lighting
Reflector plate 2, blue PET1 are successively arranged under plate 4, the light guide plate 4 is fixed by snap to be mounted in glue frame 3, the glue frame 3
It is screwed and is mounted on iron frame 12,4 upper surface of light guide plate is equipped with V slot 4-1, and planar section is equipped with volcanic crater 4-2, described
LED component 5 is located at 4 side of light guide plate, and is fixedly mounted in glue frame 3 by one side glue 6, and the iron frame 12 is one with glue frame 13
Body structure.
Referring to Fig. 2, the reflector plate 2 is integrated in 4 lower end of light guide plate, LED backlight system can simplify, improve LED
The brightness of backlight, the light guide plate 4 be it is oblique, light guide plate 4 using compression mould technology be processed into, make middle size leaded light plate thickness
Degree is thinned to current 0.4mm from original 0.8mm, and product is more lightening, and the V slot 4-1 depth is 0.02mm, effectively changes
Kind optical effect, promotes brightness, promotes product yield, and the volcanic crater 4-2 depth can be controlled in 5-15 μm, and controlled diameter system exists
40-75μm.Ultra-thin light guide board adds V-CUT scheme using compression mould injection molding, under the premise of not increasing input power, is promoted
7% or more the overall brightness of LED backlight, can effectively promote brightness, and reduce product cost.Be conducive to drop using V-CUT technology
The contact area of low light guide plate and diffusion can promote the production yield 3%-5% of product.
Referring to Fig. 3, the iron frame 12 and the integral structure narrow side width of frame of glue frame 13 are 1.15mm, dropped from structure
The deflection that low rubber shell is shunk prevents rubber shell contraction from RA being caused to fail, effectively improves RA reliability.
Referring to Fig. 4, the iron frame 12 is High-strength aluminum product, two sides is equipped with point 12-1, can effectively reduce using aluminium
The weight of backlight module promotes the experience sense of user, and in order to reduce the degree of deformation of aluminium, two-sided fiber crops are increased in stamping die
Point 12-1 indent, reduces internal stress, reduces deflection, keeps flatness, ensure that rigidity that product is thinned under state and strong
Degree.
Claims (5)
- Large-size ultra-thin highlights tablet computer LED backlight, including blue PET in 1.（1）, reflector plate（2）, glue frame（3）, lead Tabula rasa（4）, LED component（5）, one side glue（6）, lower diffusion paper（7）, under add lustre to（8）, on add lustre to（9）, upper diffusion（10）, shading Glue（11）, iron frame（12）, it is characterised in that：The light guide plate（4）On be successively arranged lower diffusion paper（7）, under add lustre to（8）, upper increasing Light（9）, upper diffusion（10）, shading glue（11）, light guide plate（4）Under be successively arranged reflector plate（2）, blue PET（1）, the reflection Piece（2）It is integrated in light guide plate（4）Lower end, the light guide plate（4）It is fixed by snap to be mounted on glue frame（3）It is interior, the glue frame（3） It is screwed and is mounted on iron frame（12）On, light guide plate（4）Upper surface is equipped with V slot（4-1）, planar section is equipped with volcanic crater （4-2）, the LED component（5）Positioned at light guide plate（4）Side, and pass through one side glue（6）It is fixedly mounted on glue frame（3）On, it is described Iron frame（12）With glue frame（13）It is integrated.
- 2. middle large-size ultra-thin according to claim 1 highlights tablet computer LED backlight, it is characterised in that：It is described Light guide plate（4）It is oblique.
- 3. middle large-size ultra-thin according to claim 1 highlights tablet computer LED backlight, it is characterised in that：It is described Iron frame（12）For High-strength aluminum product, two sides is equipped with point（12-1）.
- 4. middle large-size ultra-thin according to claim 1 or 2 highlights tablet computer LED backlight, it is characterised in that：Institute State light guide plate（4）It is processed into using compression mould technology, with a thickness of 0.4mm, the V slot（4-1）Depth is 0.02mm, the fire Mountain pass（4-2）Depth can be controlled in 5-15 μm, and controlled diameter system is at 40-75 μm.
- 5. middle large-size ultra-thin according to claim 1 highlights tablet computer LED backlight, it is characterised in that：It is described Iron frame（12）With glue frame（13）Integral structure narrow side width of frame be 1.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384498.4A CN108919411B (en) | 2018-04-26 | 2018-04-26 | LED backlight source for medium-large-size ultrathin high-brightness tablet personal computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384498.4A CN108919411B (en) | 2018-04-26 | 2018-04-26 | LED backlight source for medium-large-size ultrathin high-brightness tablet personal computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108919411A true CN108919411A (en) | 2018-11-30 |
| CN108919411B CN108919411B (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384498.4A Active CN108919411B (en) | 2018-04-26 | 2018-04-26 | LED backlight source for medium-large-size ultrathin high-brightness tablet personal computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412679A (en) * | 2019-08-15 | 2019-11-05 | 翰博高新材料(合肥)股份有限公司 | Hot-pressing light guide plate, backlight, display device and preparation method with high site |
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| CN1580828A (en) * | 2003-08-08 | 2005-02-16 | 明基电通股份有限公司 | Method for forming light plate pattern |
| CN201803324U (en) * | 2010-09-30 | 2011-04-20 | 徐志锋 | High-efficiency plane light guide plate |
| CN102062890A (en) * | 2010-11-01 | 2011-05-18 | 东莞市银燕塑料容器有限公司 | Dot light guide plate and manufacturing method thereof |
| CN202327844U (en) * | 2011-11-09 | 2012-07-11 | 东莞市新东方光电技术有限公司 | Light emitting diode (LED) backlight source |
| CN103851540A (en) * | 2012-11-29 | 2014-06-11 | 南京高一智光学科技有限公司 | Light guide plate for backlight module |
| CN205606483U (en) * | 2016-03-22 | 2016-09-28 | 深圳市联创德科技有限公司 | Ultra -thin gluey frame structure of dull and stereotyped backlight |
| CN206362964U (en) * | 2016-12-30 | 2017-07-28 | 盐城三鼎电子科技有限公司 | A kind of ultrathin LED backlight source component |
| CN206741021U (en) * | 2017-04-22 | 2017-12-12 | 深圳市劲浪光电创新技术有限公司 | A kind of cell phone back light source of High Efficiency Luminescence |
| CN207198367U (en) * | 2017-09-05 | 2018-04-06 | 东莞市新八龙光电科技有限公司 | Press the light guide plate of low baking temperature mountain pass arrangement in a kind of site |
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2018
- 2018-04-26 CN CN201810384498.4A patent/CN108919411B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580828A (en) * | 2003-08-08 | 2005-02-16 | 明基电通股份有限公司 | Method for forming light plate pattern |
| CN201803324U (en) * | 2010-09-30 | 2011-04-20 | 徐志锋 | High-efficiency plane light guide plate |
| CN102062890A (en) * | 2010-11-01 | 2011-05-18 | 东莞市银燕塑料容器有限公司 | Dot light guide plate and manufacturing method thereof |
| CN202327844U (en) * | 2011-11-09 | 2012-07-11 | 东莞市新东方光电技术有限公司 | Light emitting diode (LED) backlight source |
| CN103851540A (en) * | 2012-11-29 | 2014-06-11 | 南京高一智光学科技有限公司 | Light guide plate for backlight module |
| CN205606483U (en) * | 2016-03-22 | 2016-09-28 | 深圳市联创德科技有限公司 | Ultra -thin gluey frame structure of dull and stereotyped backlight |
| CN206362964U (en) * | 2016-12-30 | 2017-07-28 | 盐城三鼎电子科技有限公司 | A kind of ultrathin LED backlight source component |
| CN206741021U (en) * | 2017-04-22 | 2017-12-12 | 深圳市劲浪光电创新技术有限公司 | A kind of cell phone back light source of High Efficiency Luminescence |
| CN207198367U (en) * | 2017-09-05 | 2018-04-06 | 东莞市新八龙光电科技有限公司 | Press the light guide plate of low baking temperature mountain pass arrangement in a kind of site |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412679A (en) * | 2019-08-15 | 2019-11-05 | 翰博高新材料(合肥)股份有限公司 | Hot-pressing light guide plate, backlight, display device and preparation method with high site |
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| Publication number | Publication date |
|---|---|
| CN108919411B (en) | 2020-01-03 |
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