CN105605481B - A kind of backlight assembly and backlight module - Google Patents
A kind of backlight assembly and backlight module Download PDFInfo
- Publication number
- CN105605481B CN105605481B CN201510990197.2A CN201510990197A CN105605481B CN 105605481 B CN105605481 B CN 105605481B CN 201510990197 A CN201510990197 A CN 201510990197A CN 105605481 B CN105605481 B CN 105605481B
- Authority
- CN
- China
- Prior art keywords
- light
- guide plate
- light guide
- backlight assembly
- optic fibre
- 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.)
- Active
Links
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 2
- 241000254158 Lampyridae Species 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000686 essence Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
A kind of backlight assembly, including light guide plate and multiple light sources, light guide plate include first, second, third and fourth side, and backlight assembly further includes the light-conductive optic fibre for being arranged on light guide plate at least on the outside of first side；Light-conductive optic fibre includes optical waveguide layer and shading reflector layer；Shading reflector layer coats optical waveguide layer；Light source is arranged in the optical waveguide layer of the light-conductive optic fibre on the outside of the first side of light guide plate；Shading reflector layer is uniformly provided with multiple light holes close to light guide plate side, and the centre-to-centre spacing of adjacent two light hole is less than the centre-to-centre spacing of two adjacent light sources.The light that light source is sent conducts in the optical waveguide layer of light-conductive optic fibre, and conducted by the light hole on shading reflector layer to light guide plate, so as to shorten the centre-to-centre spacing between light source, expand light and reduce the firefly light leakage phenomena that light guide plate enters light section in the overlay area of light guide plate, effectively solution.The present invention also provides a kind of backlight module of the application backlight assembly.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight assembly and the backlight mould comprising the backlight assembly
Group.
Background technology
Fig. 1 is 10 structure diagram of prior art backlight module, as shown in Figure 1, LED light 11 provides light for light guide plate 13
Source, the periphery that white frame 12 is arranged on light guide plate 13 can be reflective, plays the role of light leakage, and iron frame 14 is arranged on white side
The outside of frame 12, can play the role of the white frame 12 of protection and light guide plate 13.Since prior art backlight module uses point
Light source single-sided illumination, is in fan-shaped when the light of LED light 11 enters light guide plate 13, light guide plate 13 is between adjacent two LED light
The light of midpoint is weaker, and light is smaller in the overlay area of light guide plate 13, and existing technology can not ensure the hair of LED light
The size of LED light accomplished while light quantity sufficiently small, therefore the centre-to-centre spacing between LED light is excessive, causes light guide plate 13 to occur
Dim light area 131, therefore cause the light section that enters of light guide plate 13 Host bar (firefly light leak) phenomenon occur.
The content of the invention
It is an object of the present invention to provide a kind of backlight assembly, the Host bar for entering light section that can reduce light guide plate show
As.
Another object of the present invention is to, there is provided a kind of backlight module, can reduce the Host for entering light section of light guide plate
Bar phenomenons.
The present invention, which solves its technical problem, to be realized using following technical solution.
A kind of backlight assembly, including light guide plate and multiple light sources, light guide plate include first, second, third and fourth side,
Backlight assembly further includes the light-conductive optic fibre for being arranged on light guide plate at least on the outside of first side；Light-conductive optic fibre includes optical waveguide layer and shading
Reflector layer；Shading reflector layer coats optical waveguide layer；Light source is arranged on the leaded light of the light-conductive optic fibre in the outside of the first side of light guide plate
In layer；Shading reflector layer is uniformly provided with multiple light holes close to light guide plate side, and the centre-to-centre spacing of adjacent two light hole is less than phase
The centre-to-centre spacing of adjacent two light sources.
In the preferred embodiment, the light guide plate of above-mentioned backlight assembly is only provided with leaded light on the outside of first side
Optical fiber.
In the preferred embodiment, the shading reflector layer of above-mentioned light-conductive optic fibre is equal close to the first side of light guide plate
It is even to offer multiple light holes, more light in light-conductive optic fibre is entered light guide plate.
In the preferred embodiment, the first, second, third and fourth side of the light guide plate of above-mentioned backlight assembly
Outside be both provided with light-conductive optic fibre.
In the preferred embodiment, the shading reflector layer of above-mentioned light-conductive optic fibre close to light guide plate first, second,
Third and fourth side is uniformly provided with multiple light holes, more light in light-conductive optic fibre is entered light guide plate.
In the preferred embodiment, above-mentioned light source is LED light.
In the preferred embodiment, above-mentioned LED light is embedded in the guide-lighting light in the outside of the first side of light guide plate
In fine optical waveguide layer.
A kind of backlight module, including iron frame, backlight module are additionally provided with backlight assembly described above, and iron frame is arranged on backlight
The outside of component.
The invention has the advantages that the centre-to-centre spacing between the light hole that the shading reflector layer of light-conductive optic fibre is set is less than
Centre-to-centre spacing between LED light, it is possible to reduce light guide plate enters the Host bar phenomenons of light section.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate attached drawing, describe in detail.
Brief description of the drawings
Fig. 1 show the structure diagram of prior art backlight module.
Fig. 2 show the structure diagram of backlight module in one embodiment of the invention.
Fig. 3 show the structure diagram of backlight module in another embodiment of the present invention.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.
Fig. 2 show the structure diagram of backlight module 20 in one embodiment of the invention.As shown in Fig. 2, backlight module 20
Including backlight assembly 21 and iron frame 24.Iron frame 24 is arranged on the outside of backlight assembly 21.Backlight assembly 21 includes light guide plate 23, more
A LED light 25 and light-conductive optic fibre 27.Light-conductive optic fibre 27 is arranged on the outside of the first side 29 of light guide plate 23, and light-conductive optic fibre 27 wraps
Include optical waveguide layer 271, shading reflector layer 273 and multiple light holes 275.Shading reflector layer 273 coats optical waveguide layer 271.Shading is reflective
Layer 273 is uniformly provided with multiple light holes 275 close to the first side 29 of light guide plate 23, make in light-conductive optic fibre 27 more light into
Enter light guide plate 23.LED light 25 is embedded in the optical waveguide layer 271 of the light-conductive optic fibre 27 in the outside of the first side 29 of light guide plate 23.
The centre-to-centre spacing of adjacent two light hole 275 is less than the centre-to-centre spacing of adjacent two LED light 25.
Fig. 3 show the structure diagram of backlight module 20 in another embodiment of the present invention.As shown in figure 3, backlight module
20 include backlight assembly 21 and iron frame 24, and iron frame 24 is arranged on the outside of backlight assembly 21.Backlight assembly 21 include light guide plate 23,
Multiple LED light 25 and light-conductive optic fibre 27.Light-conductive optic fibre 27 is arranged on the first side 29 of light guide plate 23, second side the 31, the 3rd
The outside of 33 and the 4th side 35 of side.Light-conductive optic fibre 27 includes optical waveguide layer 271, shading reflector layer 273 and multiple light holes
275.Shading reflector layer 273 coats optical waveguide layer 271.First side 29, second side of the shading reflector layer 273 close to light guide plate 23
31st, the 3rd side 33 and the 4th side 35 are uniformly provided with multiple light holes 275, enter more light in light-conductive optic fibre 27
Light guide plate 23.LED light 25 is embedded in the optical waveguide layer 271 of the light-conductive optic fibre 27 in the outside of the first side 29 of light guide plate 23.Phase
The centre-to-centre spacing of adjacent two light holes 275 is less than the centre-to-centre spacing of adjacent two LED light 25.Above-mentioned is backlight mould in present pre-ferred embodiments
The concrete structure of group 20, the operation principle of brief description backlight module 20.
LED light 25 shines in the optical waveguide layer 271 of light-conductive optic fibre 27, light conduction in optical waveguide layer 271, light-conductive optic fibre 27
Shading reflector layer 273 plays the role of the light in optical waveguide layer 271 reflection and light leakage, and the light in optical waveguide layer 271 passes through setting
Light hole 275 on shading reflector layer 273 enters light guide plate 23.Centre-to-centre spacing between adjacent LED lamp 25 is smaller, and light is in light guide plate
23 overlay area is bigger.LED light 25 is arranged in light-conductive optic fibre 27, and the multiple light holes set on light-conductive optic fibre 23
Centre-to-centre spacing between 275 is less than the centre-to-centre spacing of adjacent two LED light, light is expanded in the overlay area of light guide plate 23.Host can be reduced
Bar phenomenons.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of backlight assembly, including light guide plate and multiple light sources, the light guide plate includes first, second, third and fourth side
Face, it is characterised in that the backlight assembly further includes the light-conductive optic fibre in the outside for being arranged on the light guide plate at least first side；
The light-conductive optic fibre includes optical waveguide layer and shading reflector layer；The shading reflector layer coats the optical waveguide layer；The light source is set
In the optical waveguide layer of light-conductive optic fibre on the outside of the first side of the light guide plate；The shading reflector layer is equal close to light guide plate side
Even to offer multiple light holes, the centre-to-centre spacing of adjacent two light hole is less than the centre-to-centre spacing of two adjacent light sources.
2. backlight assembly as claimed in claim 1, it is characterised in that the light guide plate is only provided with the outside of first side leads
Light optical fiber.
3. backlight assembly as claimed in claim 2, it is characterised in that the shading reflector layer is close to the first of the light guide plate
Side is uniformly provided with multiple light holes, more light in the light-conductive optic fibre is entered the light guide plate.
4. backlight assembly as claimed in claim 1, it is characterised in that the first, second, third and fourth side of the light guide plate
Light-conductive optic fibre is both provided with the outside of face.
5. backlight assembly as claimed in claim 4, it is characterised in that the shading reflector layer close to the light guide plate
First, second, third and the 4th side are uniformly provided with multiple light holes, make in the light-conductive optic fibre described in more light entrance
Light guide plate.
6. backlight assembly as claimed in claim 1, it is characterised in that the light source is LED light.
7. backlight assembly as claimed in claim 6, it is characterised in that the LED light is embedded in the first side of the light guide plate
In the optical waveguide layer of the light-conductive optic fibre in the outside in face.
8. a kind of backlight module, including iron frame, it is characterised in that the backlight module further includes any one in claim 1 to 7
Backlight assembly described in, the iron frame are arranged on the outside of the backlight assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990197.2A CN105605481B (en) | 2015-12-24 | 2015-12-24 | A kind of backlight assembly and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990197.2A CN105605481B (en) | 2015-12-24 | 2015-12-24 | A kind of backlight assembly and backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605481A CN105605481A (en) | 2016-05-25 |
| CN105605481B true CN105605481B (en) | 2018-04-20 |
Family
ID=55985648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510990197.2A Active CN105605481B (en) | 2015-12-24 | 2015-12-24 | A kind of backlight assembly and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605481B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071631B (en) * | 2017-06-12 | 2023-09-15 | 歌尔科技有限公司 | LED light even light guide structure and intelligent sound box |
| CN109839778B (en) * | 2019-03-13 | 2021-06-11 | 中航华东光电有限公司 | Design and fixing method for four-side light-incident light guide plate |
| CN112996302B (en) * | 2019-12-13 | 2022-08-16 | 华硕电脑股份有限公司 | Electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748656A (en) * | 2012-06-11 | 2012-10-24 | 歌尔声学股份有限公司 | Side-in type light-emitting diode (LED) backlight device and method for eliminating firefly phenomenon of same |
| CN102980099A (en) * | 2012-11-23 | 2013-03-20 | 友达光电股份有限公司 | Backlight module |
| CN104279462A (en) * | 2014-09-18 | 2015-01-14 | 合肥鑫晟光电科技有限公司 | Backlight source and display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8840292B2 (en) * | 2012-11-05 | 2014-09-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and display apparatus |
| US8872973B2 (en) * | 2013-01-22 | 2014-10-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Light guiding sysetm, edge type backlight module and liquid display device |
-
2015
- 2015-12-24 CN CN201510990197.2A patent/CN105605481B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748656A (en) * | 2012-06-11 | 2012-10-24 | 歌尔声学股份有限公司 | Side-in type light-emitting diode (LED) backlight device and method for eliminating firefly phenomenon of same |
| CN102980099A (en) * | 2012-11-23 | 2013-03-20 | 友达光电股份有限公司 | Backlight module |
| CN104279462A (en) * | 2014-09-18 | 2015-01-14 | 合肥鑫晟光电科技有限公司 | Backlight source and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105605481A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105605481B (en) | A kind of backlight assembly and backlight module | |
| CN202177719U (en) | Light guide plate, backlight comprising same, liquid crystal display panel and liquid crystal display | |
| CN103017038A (en) | Direct type backlight source and display device | |
| CN103926645A (en) | Light guide plate, backlight module and display device | |
| CN103672537B (en) | A kind of LED lamp bar, backlight source module and display unit | |
| CN204494198U (en) | Light source module and light guide plate | |
| CN202791597U (en) | Backlight module for liquid crystal display device and liquid crystal display device | |
| CN106772773A (en) | A kind of light guide plate and preparation method thereof and backlight module, display device | |
| CN102182964A (en) | Backlight module and liquid crystal display | |
| CN201174015Y (en) | Backlight module component construction capable of avoiding front side light leakage | |
| CN204405878U (en) | A kind of blue light and ultraviolet-resistant optics diffusion structure and backlight device | |
| CN103675988A (en) | Light guide plate, manufacturing method thereof, backlight source module and display device | |
| CN105353445A (en) | PMMA light guide plate with single-side microstructure and light output micro prism structure | |
| CN204084198U (en) | Side incidence type light guide plate and backlight | |
| CN202204952U (en) | Light guide plate and light source device | |
| CN101661124A (en) | Direct type backlight module and diffusion plate thereof | |
| CN204678254U (en) | Multidirectional refraction type backlight lens and the down straight aphototropism mode set based on these lens | |
| CN207249299U (en) | A kind of backlight module and its display device that can effectively prevent light leakage phenomena | |
| CN107561777A (en) | A kind of backlight module and its manufacturing process for being avoided that brightness unevenness | |
| CN107102397A (en) | Edge-type light guide plate and backlight module | |
| CN102494272A (en) | Backlight module and liquid crystal display | |
| CN104459871A (en) | Light guide plate, backlight module and display device | |
| CN104898197A (en) | Light guide plate, preparation method thereof, backlight module and display device | |
| JP2015504229A (en) | Light guide plate and manufacturing method thereof | |
| CN203311025U (en) | A light guide plate, a backlight module group, and a display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |