CN106908998A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN106908998A CN106908998A CN201710276890.2A CN201710276890A CN106908998A CN 106908998 A CN106908998 A CN 106908998A CN 201710276890 A CN201710276890 A CN 201710276890A CN 106908998 A CN106908998 A CN 106908998A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- guide plate
- light guide
- light source
- circuit
- 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
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Abstract
The invention discloses a kind of backlight module, including the light guide plate and light source being made up of glass, the incident side of light guide plate is provided with circuit, and light source is arranged in the incident side of light guide plate and is electrically connected with circuit.Because light guide plate is glass material, with stability higher, deformation is not susceptible in hot and humid environment, backlight module steady operation under hot-cool environment can be kept；Other light source is directly connected with light guide plate, it is ensured that light source is constant with the incidence surface GAP of light guide plate, so that module optics and taste level keep stabilization.The invention further relates to a kind of display device.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of backlight module and display device.
Background technology
Liquid crystal display is the main flow of current display device, and be largely used in as various Display panel screen, family expenses it is flat
The electronics such as the display screen of flat-plate type monitor, mobile phone and digital camera of surface TV, PC and kneetop computer are produced
In product.
Liquid crystal display mainly includes backlight module and the display panel being arranged above backlight module.Backlight module includes
Light guide plate and the light source for being arranged at light guide plate incident side, the light that light source sends is by entering leaded light after the incident side of light guide plate
Plate, and by light guide plate by light directed toward display panel.Because light guide plate is general by materials such as polymethacrylates or makrolon
Material is made, and light guide plate in high temperature environments occurs melting phenomenon, influences the performance of module.And, in the ring of thermal shock
In border, the spacing between light guide plate and light source can change, the performance of same influence module.
The content of the invention
It is an object of the present invention to provide a kind of backlight module, can keep backlight module stabilization work under the hot-cool environment
Make.
The present invention solves its technical problem to be realized using following technical scheme.
A kind of backlight module, including the light guide plate and light source being made up of glass, the incident side of light guide plate are provided with circuit, light
Source is arranged in the incident side of light guide plate and is electrically connected with circuit.
In the preferred embodiment, above-mentioned circuit includes positive pole circuit and negative pole circuit, and positive pole circuit includes the
One conductive part, the first lead and the first pad, the first lead are connected between the first conductive part and the first pad；Negative pole circuit bag
The second conductive part, the second lead and the second pad are included, the second lead is connected between the second conductive part and the second pad, light source point
Do not connected in the first pad and the second pad.
In the preferred embodiment, above-mentioned light source is provided with the first pin and second pin, and the first of light source draws
Pin is connected with the first pad, and the second pin of light source is connected with the second pad.
In the preferred embodiment, backlight module also includes circuit board, incident side of the circuit board near light guide plate
Set, circuit board is provided with the first conducting strip and the second conducting strip, the first conducting strip is conductive with first away from one end of circuit board
Portion is contacted, and the second conducting strip is contacted away from one end of circuit board with the second conductive part.
In the preferred embodiment, the end of above-mentioned first conducting strip is provided with the first elastic portion, the first elastic portion
Contacted with the first conductive part；The end of the second conducting strip is provided with the second elastic portion, and the second elastic portion is contacted with the second conductive part.
In the preferred embodiment, above-mentioned first elastic portion and the second elastic portion semicircular in shape.
In the preferred embodiment, foregoing circuit plate is flexible PCB.
In the preferred embodiment, above-mentioned backlight module also include backboard and reflector plate, backboard include base plate and
Be connected to the side frame on base plate, reflector plate is arranged on base plate, and light guide plate is arranged on reflector plate, circuit board be arranged at side frame with
Between light guide plate.
In the preferred embodiment, above-mentioned base plate is provided with storage tank, and the side of circuit board is arranged on storage tank
It is interior.
Another object of the present invention is to a kind of, there is provided display device, backlight module can be kept under hot-cool environment
Steady operation.
A kind of display device, including above-mentioned backlight module.
Backlight module of the invention includes the light guide plate and light source that are made up of glass, and light guide plate incident side is provided with circuit, light
Source is arranged in the incident side of light guide plate and is electrically connected with circuit.It is high in high temperature because light guide plate has stability higher
Deformation is not susceptible in wet environment, backlight module steady operation under hot-cool environment can be kept.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the 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 invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Brief description of the drawings
Fig. 1 is the schematic cross-section of display device of the invention.
Fig. 2 is the dimensional structure diagram of display device of the invention.
The structural representation of Fig. 3 light guide plate sides of the invention.
Fig. 4 is the structural representation that light source of the invention is connected with light guide plate.
Fig. 5 is the partial structural diagram at the A of Fig. 2.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to the specific embodiment according to backlight module proposed by the present invention and display device, structure, feature
And its effect, describe in detail as follows:
For the present invention foregoing and other technology contents, feature and effect, in the following preferable reality coordinated with reference to schema
Apply and can clearly appear from the detailed description of example.By the explanation of specific embodiment, when can be to the present invention to reach predetermined mesh
The technological means taken and effect be able to more deeply and it is specific understand, but institute's backlight module schema is only to provide ginseng
Examine and purposes of discussion, not for being any limitation as to the present invention.
Fig. 1 is the schematic cross-section of display device of the invention.Fig. 2 is that the stereochemical structure of display device of the invention is illustrated
Figure.As depicted in figs. 1 and 2, in this example it is shown that device 100 include backlight module 10 and be arranged on backlight module 10 it
On display panel 20.
As depicted in figs. 1 and 2, backlight module 10 include backboard 12, glue frame 13, front frame 14, reflector plate 15, light guide plate 16,
Light source 17, optical diaphragm group 18 and circuit board 19.Backboard 12 engages with glue frame 13, forms a box body structure, reflector plate 15, leaded light
Plate 16, light source 17, optical diaphragm group 18 and circuit board 19 are arranged in the box body that backboard 12 is formed with glue frame 13, display panel 20
It is arranged in glue frame 13, and is oppositely arranged with optical diaphragm group 18；Front frame 14 is fastened in glue frame 13 and around backboard 12
The surrounding of the box body formed with glue frame 13.In the present embodiment, optical diaphragm group 18 is for example including prismatic lens, diffusion sheet etc..
Specifically, backboard 12 includes base plate 122 and the side frame 123 being connected on base plate 122, and base plate 122 is provided with groove
101, groove 101 is located on the base plate 122 of side frame 123, and along the length direction setting of side frame 123.In the present embodiment
In, reflector plate 15 is arranged on base plate 122；Light guide plate 16 is arranged on reflector plate 15；The incident side 102 of light guide plate 16 is provided with
Circuit 161；Light source 17 is connected in the incident side 102 of light guide plate 16 and is electrically connected with circuit 161；Optical diaphragm group 18 is set
On light guide plate 16；Circuit board 19 is arranged between light guide plate 16 and side frame 123, and the side of circuit board 19 is arranged at groove
In 101.
The structural representation of Fig. 3 light guide plate sides of the invention.As shown in figure 3, in the present embodiment, light guide plate 16 includes
Two relative surfaces and the side being connected between two surfaces, wherein the two of light guide plate 16 surface is respectively for reflector plate
And optical diaphragm group, light guide plate 16 is incident side 102 near the one side of light source.In the present embodiment, light guide plate 16 enters light
Side 102 is provided with circuit 161, and circuit 161 includes positive pole circuit 162 and negative pole circuit 163, and wherein positive pole circuit 162 includes the
One conductive part 162a, the first lead 162b and the first pad 162c, the first lead 162b are connected to the first conductive part 162a and
Between one pad 162c；Negative pole circuit 163 includes the second conductive part 163a, the second lead 163b and the second pad 163c, second
Lead 163b is connected between the second conductive part 163a and the second pad 163c.In the present embodiment, positive pole circuit 162 can also be wrapped
Include multiple first lead 162b and multiple first pad 162c corresponding with the first lead 162b, each first lead 162b are mutual
It is connected with the first conductive part 162a every one end of setting, and each first lead 162b, the other end of each first lead 162b and
One pad 162c is connected；Negative pole circuit 163 may also comprise multiple second lead 163b and multiple corresponding with the second lead 163b
The second pad spaced setting of 163c, each second lead 163b, and each second lead 163b one end and the second conductive part
163a is connected, and the other end of each second lead 163b is connected with the second pad 163c.
It is noted that light guide plate 16 is made up of glass material.Therefore, light guide plate 16 has stability higher,
Deformation is not susceptible in hot and humid environment, the service behaviour of backlight module 10 is can guarantee that.
Fig. 4 is the structural representation that light source of the invention is connected with light guide plate.As shown in figure 4, light source 17 is arranged on
It is electrically connected with the incident side 102 of light guide plate 16 and with circuit 161.
Specifically, the first pin 172 and second pin 173, the first pin 172 and second pin are provided with light source 17
173 both sides for being located at light source 17, and the first pin 172 and the bearing of trend of second pin 173 and the light emission direction phase of light source 17
Together.In the present embodiment, the first pin 172 of light source 17 is connected with the first pad 162c, the second pin 173 of light source 17 and
Two pad 163c are connected.Light source 17 can be by surface mounting technology (Surface Mount Technology；SMT) it is connected to and leads
In the incident side 102 of tabula rasa 16, be conducive to improving the installation effectiveness of light source 17, the connected mode of light source 17 is not limited thereto.
In the present embodiment, light source 17 is, for example, LED, but is not limited thereto.
Fig. 5 is the partial structural diagram at the A of Fig. 2.As shown in figure 5, backlight module disclosed by the invention 10 also includes
Circuit board 19, circuit board 19 is arranged at the incident side 102 of light guide plate 16, and circuit board 19 is provided with the first conducting strip 192 and second
Conducting strip 194, the first conducting strip 192 is contacted away from one end of circuit board 19 with the first conductive part 162a, and the second conducting strip 194 is remote
Contacted with the second conductive part 163a from one end of circuit board 19.
In the present embodiment, the end of the first conducting strip 192 is provided with the first elastic portion 193, the first elastic portion 193 and first
Conductive part 162a is contacted；The end of the second conducting strip 194 is provided with the second elastic portion 195, the second elastic portion 195 and the second conductive part
163a is contacted.First elastic portion 193 and the second elastic portion 195 can occur elastically-deformable to be led with the first conductive part 162a and second
Electric portion 163a contacts.
In order that the first elastic portion 193 and the second elastic portion 195 have preferably elasticity, the first elastic portion 193 and second
Elastic portion 195 can use semicircular structure, but be not limited thereto, and such as the first elastic portion 193 and the second elastic portion 195 can be
Two panels or the elastic piece structure of multi-disc doubling.
In the present embodiment, circuit board 19 is, for example, flexible PCB, but is not limited thereto.
Backlight module disclosed by the invention 10 includes the light guide plate 16 and light source 17 that are made up of glass, the incident side of light guide plate 16
102 are provided with circuit 161, and light source 17 is arranged in the incident side 102 of light guide plate 16 and is electrically connected with circuit 161.Due to leaded light
Plate 16 is glass material, with stability higher, deformation is not susceptible in hot and humid environment, can keep backlight module
10 under hot-cool environment steady operation；Other light source 17 is directly connected with light guide plate 16, it is ensured that light source 17 and light guide plate 16
Incidence surface GAP it is constant so that module optics and taste level keep stabilization.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Detail in mode, in range of the technology design of the invention, can be carried out various simple to technical scheme
Modification, these simple variants belong to protection scope of the present invention.Each described in above-mentioned specific embodiment is specific
Technical characteristic, in the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary weight
Multiple, the present invention is no longer separately illustrated to various possible combinations.
Claims (10)
1. a kind of backlight module, it is characterised in that including the light guide plate (16) and light source (17) that are made up of glass, the light guide plate
(16) incident side (102) is provided with circuit (161), and the light source (17) is arranged on the incident side of the light guide plate (16)
(102) it is electrically connected with and with the circuit (161).
2. backlight module according to claim 1, it is characterised in that the circuit (161) including positive pole circuit (162) and
Negative pole circuit (163), the positive pole circuit (162) includes the first conductive part (162a), the first lead (162b) and the first pad
(162c), first lead (162b) is connected between first conductive part (162a) and first pad (162c)；
The negative pole circuit (163) includes the second conductive part (163a), the second lead (163b) and the second pad (163c), described second
Lead (163b) is connected between second conductive part (163a) and second pad (163c), and the light source (17) is respectively
Connected in first pad (162c) and second pad (163c).
3. backlight module according to claim 2, it is characterised in that the light source (17) is provided with the first pin (172)
With second pin (173), first pin (172) of the light source (17) is connected with first pad (162c), the light source
(17) second pin (173) is connected with second pad (163c).
4. backlight module according to claim 2, it is characterised in that the backlight module also includes circuit board (19), institute
The incident side (102) that circuit board (19) is stated near the light guide plate (16) is set, and it is conductive that the circuit board (19) is provided with first
Piece (192) and the second conducting strip (194), the one end and described of first conducting strip (192) away from the circuit board (19)
One conductive part (162a) is contacted, and second conducting strip (194) is conductive with described second away from one end of the circuit board (19)
Portion (163a) contacts.
5. backlight module according to claim 4, it is characterised in that the end of first conducting strip (192) is provided with
One elastic portion (193), first elastic portion (193) contacts with first conductive part (162a)；Second conducting strip
(194) end is provided with the second elastic portion (195), and second elastic portion (195) contacts with second conductive part (163a).
6. backlight module according to claim 5, it is characterised in that first elastic portion (193) and second bullet
Property portion (195) semicircular in shape.
7. backlight module according to claim 4, it is characterised in that the circuit board (19) is flexible PCB.
8. backlight module according to claim 4, it is characterised in that the backlight module also includes backboard (12) and reflection
Piece (15), the backboard (12) includes base plate (122) and the side frame (123) being connected on base plate (122), the reflector plate (15)
It is arranged on the base plate (122), the light guide plate (16) is arranged on reflector plate (15), the circuit board (19) is arranged at institute
State between side frame (123) and the light guide plate (16).
9. backlight module according to claim 8, it is characterised in that the base plate (122) is provided with storage tank (101),
The side of the circuit board (19) is arranged in the storage tank (101).
10. a kind of display device, it is characterised in that including the backlight module any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710276890.2A CN106908998B (en) | 2017-04-25 | 2017-04-25 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710276890.2A CN106908998B (en) | 2017-04-25 | 2017-04-25 | Backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106908998A true CN106908998A (en) | 2017-06-30 |
| CN106908998B CN106908998B (en) | 2019-12-20 |
Family
ID=59210451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710276890.2A Active CN106908998B (en) | 2017-04-25 | 2017-04-25 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106908998B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663841A (en) * | 2018-05-08 | 2018-10-16 | 昆山龙腾光电有限公司 | Liquid crystal display device and preparation method thereof |
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| TW200401919A (en) * | 2002-07-17 | 2004-02-01 | Benq Corp | Electrically shielding light guide for a liquid crystal display |
| CN200955715Y (en) * | 2006-09-29 | 2007-10-03 | 台湾奈普光电科技股份有限公司 | Light-source fixing device |
| CN201407602Y (en) * | 2009-05-15 | 2010-02-17 | 上海向隆电子科技有限公司 | Light conducting device of backlight module |
| CN201875584U (en) * | 2010-12-02 | 2011-06-22 | 汤仕兵 | LED (light-emitting diode) back light module with novel structure |
| CN105093681A (en) * | 2015-09-01 | 2015-11-25 | 北京京东方茶谷电子有限公司 | Backlight module and liquid crystal display device |
| CN106405720A (en) * | 2016-06-21 | 2017-02-15 | 合肥惠科金扬科技有限公司 | Light guide plate, light guide plate manufacturing method, backlight module and display device |
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2017
- 2017-04-25 CN CN201710276890.2A patent/CN106908998B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200401919A (en) * | 2002-07-17 | 2004-02-01 | Benq Corp | Electrically shielding light guide for a liquid crystal display |
| CN200955715Y (en) * | 2006-09-29 | 2007-10-03 | 台湾奈普光电科技股份有限公司 | Light-source fixing device |
| CN201407602Y (en) * | 2009-05-15 | 2010-02-17 | 上海向隆电子科技有限公司 | Light conducting device of backlight module |
| CN201875584U (en) * | 2010-12-02 | 2011-06-22 | 汤仕兵 | LED (light-emitting diode) back light module with novel structure |
| CN105093681A (en) * | 2015-09-01 | 2015-11-25 | 北京京东方茶谷电子有限公司 | Backlight module and liquid crystal display device |
| CN106405720A (en) * | 2016-06-21 | 2017-02-15 | 合肥惠科金扬科技有限公司 | Light guide plate, light guide plate manufacturing method, backlight module and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663841A (en) * | 2018-05-08 | 2018-10-16 | 昆山龙腾光电有限公司 | Liquid crystal display device and preparation method thereof |
| CN108663841B (en) * | 2018-05-08 | 2021-05-28 | 昆山龙腾光电股份有限公司 | Liquid crystal display device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106908998B (en) | 2019-12-20 |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |
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