CN106647026B - A kind of backlight assembly - Google Patents
A kind of backlight assembly Download PDFInfo
- Publication number
- CN106647026B CN106647026B CN201611167348.5A CN201611167348A CN106647026B CN 106647026 B CN106647026 B CN 106647026B CN 201611167348 A CN201611167348 A CN 201611167348A CN 106647026 B CN106647026 B CN 106647026B
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- CN
- China
- Prior art keywords
- light guide
- guide plate
- base
- backboard
- optical module
- 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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Abstract
The present invention provides a kind of backlight assemblies, including the optical module being set on backboard, the optical module includes lamp bar and light guide plate, the optical module is equipped at least two groups or more, optical module is successively laid on backboard, first base is equipped at position on backboard between two adjacent groups optical module, first base is arranged in parallel with lamp bar；The second base that the two sides parallel with lamp bar are provided symmetrically on backboard, second base are arranged in parallel with lamp bar, and the optical module is individually positioned in first base and second base, are additionally provided with cushion block between the backboard and light guide plate.Compared with prior art, by the way that optical module assembly in modular first base, second base, so as to complete the assembly of the optical system of entire backlight assembly, is reduced assembly difficulty.
Description
Technical field
The present invention relates to a kind of liquid crystal surface template die group technology, especially a kind of backlight assemblies.
Background technique
In traditional liquid crystal display die set or machine, frequently with straight-down negative or side entrance back as light source.
In light source design schemes known to both, the assembly method of diffuser plate or light guide plate is relatively simple, and more existing
Modular optical module system, is made of several optical modules, and each optical module is compared with the assembling between backboard
Difficulty, to affect assembling speed.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of backlight assembly, thus reduce optical module and backboard it
Between assembly difficulty.
The present invention provides a kind of backlight assemblies, and including the optical module being set on backboard, the optical module includes lamp
Item and light guide plate, the optical module are equipped at least two groups or more, and optical module is successively laid on backboard, upper in backboard
First base is equipped at position between two adjacent groups optical module, first base is arranged in parallel with lamp bar；On backboard with
The second base that the parallel two sides of lamp bar are provided symmetrically, second base are arranged in parallel with lamp bar, the optical module difference
It is placed in first base and second base, is additionally provided with cushion block between the backboard and light guide plate.
Further, the vertical sectional shape of the first base is zigzag, and first base includes vertical component effect, is set to vertically
First supporting part of portion, lower end, side and the second nip portion set on vertical component effect other side upper end, first supporting part are used for
The light guide plate of side is carried, the second nip portion is identical as the second nip portion on vertical component effect described in the light guide plate of the other side for clasping
Side side wall form the first fixed part for fixing lamp bar.
Further, vertical component effect side side wall identical with the second nip portion and be placed on the first supporting part this
Light guide plate attachment fastener is equipped between the light guide plate of side, it is identical as the second nip portion that the light guide plate attachment fastener is stuck in vertical component effect
Side side wall and this side light guide plate being placed in first base side on.
Further, the light guide plate attachment fastener includes and lamp bar third nip portion disposed in parallel, third nip portion
The side parallel with lamp bar is pressed on this side light guide plate being placed on the first supporting part, and third nip portion is parallel with lamp bar
The other side is pressed in the second nip portion；The lower end of third nip portion be equipped with lamp bar two rows of grabs disposed in parallel, respectively
First grab, the second grab, the hook portion of the first grab are stuck in the side of the light guide plate for this side being placed on the first supporting part
Relatively, the hook portion of the second grab is stuck in the card slot on vertical component effect side side wall identical with the second nip portion, the card
Slot setting corresponding with the hook portion of the second grab.
Further, second base side parallel with lamp bar and adjacent with backboard is equipped with for fixing lamp bar
Groove, the groove forms the second fixed part, and the other side opposite with the second fixed part is equipped with for holding in second base
Carry the second supporting part of the light guide plate of side.
Further, abaculus is equipped between the backboard and second base, abaculus includes the first nip portion and embedded division,
The bit embedded portion extends in side adjacent with backboard lower end in the first nip portion, embedded division towards the lower end of backboard, the first pressing
Portion extends from second base towards light guide plate direction, and embedded division is inserted into the gap between backboard and second base, the first nip portion
It is pressed on this side light guide plate being located in second base.
Further, the upper surface of the third nip portion is equipped with the diffuser plate support portion of at least one protrusion.Into one
Step ground, first grab and the second grab are respectively equipped at least two.
Further, it is embedded in the gap between two sides and optical module vertical with lamp bar on the backboard and symmetrically sets
The briquetting set.
Further, the briquetting includes between being packed between two sides and optical module vertical with lamp bar 3 on backboard
Filling portion in gap and the 4th nip portion towards the extension of light guide plate direction, the 4th nip portion are pressed on light guide plate.
Compared with prior art, the present invention by assembling optical module in modular first base, second base,
So as to complete the assembly of the optical system of entire backlight assembly, assembly difficulty is reduced.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of optical module of the invention；
Fig. 2 is the partial schematic diagram of optical module of the invention；
Fig. 3-1 is the installation diagram between optical module and the backboard of the present invention side parallel with lamp bar；
Fig. 3-2 is the installation diagram between optical module and the backboard of the present invention other side parallel with lamp bar；
Fig. 4 is the installation diagram one between two adjacent groups optical module and backboard of the present invention；
Fig. 5 is the installation diagram two between two adjacent groups optical module and backboard of the present invention；
Fig. 6 is the structural schematic diagram of light guide plate attachment fastener of the present invention；
Fig. 7 is the installation diagram between optical module and the backboard of the present invention side vertical with lamp bar；
Fig. 8 is the spliced structural schematic diagram of multiple groups optical module of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2 and fig. 8, the optical module fixed structure of a kind of backlight assembly of the invention, including at least two
Group or more the optical module 2 being set on backboard 1, optical module 2 is successively laid on backboard 1, and the optical module 2 includes lamp
Item 3 and light guide plate 4, for ease of description, the side opposite with lamp bar 3 of light guide plate 4 is defined as into light in every group of optical module 2
Side, the other side opposite with incident side of light guide plate 4 are defined as, when describing assembly method, assuming light of the invention to light side
It learns module and is equipped with two groups, respectively the first optical module, the second optical module.
Optical module 2 is preferably that optical module 2 side and backboard 1 parallel with lamp bar 3 are parallel with lamp bar 3 in the present invention
Side is arranged in parallel, and multiple groups optical module 2 is successively laid with along the two sides vertical with lamp bar 3 of backboard 1, two adjacent groups optical mode
Wherein one group of light guide plate 4 is opposite with another group of the incident side of light guide plate 4 to light side in block 2.
As shown in Figure 4 and Figure 8, first base is equipped at the position on backboard 1 between two adjacent groups optical module 2
5；First base 5 is arranged in parallel with lamp bar 3.Specifically, the vertical sectional shape of the first base 5 is zigzag, first base 5
Including vertical component effect 25, set on the first supporting part 8 for being used to carry side light guide plate 4 of 25 side lower end of vertical component effect and set on vertical
Straight 25 other side upper end of portion for clasping the second nip portion 18 of other side light guide plate 4, on the vertical component effect 25 with the second pressure
The identical side side wall in conjunction portion 18 forms the first fixed part 9 for fixing lamp bar 3, and first supporting part 8 is from vertical component effect 25
Towards 4 horizontal extension of light guide plate for being placed on the same side, light guide plate 4 level of second nip portion 18 from vertical component effect 25 towards the same side is prolonged
It stretches, it is preferable that the first fixed part 9 extends horizontally to light guide plate 4 to light side from vertical component effect 25 towards be placed on the same side light guide plate 4
Close to center, cushion block 22 is equipped in the lower section for being located at the optics module 2 of 9 side of the first fixed part.
Two adjacent groups optical module 2 and the assembly method of first base 5 are as follows: in assembly, the first optical module is led
Tabula rasa 4 is placed on the first supporting part 8 light side, and the lamp bar 3 of the second optical module is solid first by sticking double faced adhesive tape
Determine in portion 9, then the incident side of the light guide plate 4 of the second optical module is inserted into the second nip portion 18, makes the second nip portion 18
Be pressed in the incident side of light guide plate 4 of second group of optical module, second group of optical module light guide plate 4 to light side lower end with
Cushion block 22 is lined between backboard 1, so as to complete the assembly of two adjacent groups optical module 2.
As shown in Fig. 3-1, Fig. 3-2 and Fig. 8, the two sides parallel with lamp bar 3 are provided symmetrically on backboard 1 the second bottom
Parallel and adjacent with backboard 1 side of seat 6, the second base 6 and lamp bar 3 is equipped with the groove for fixing lamp bar 3, recessed
Slot is parallel with lamp bar 3, which forms the second fixed part 10, the other side opposite with the second fixed part 10 in second base 6
The second supporting part 11 equipped with the light guide plate 4 for carrying side, the surface on the surface of the second supporting part 11 and the first supporting part 8
In same level.
Outermost two groups of optical modules 2 are set and the assembly method of second base 6 is as follows, when assembly, such as Fig. 3-1 institute
Show, the lamp bar 3 of the first optical module is fixed in the second fixed part 10 by double-sided adhesive first, is specifically fixed on the second fixed part
On the 10 side side walls opposite with the incident side of light guide plate 4 of the first optical module, and make the lamp bar 3 of the first optical module
Lamp bead is opposite with the incident side side of light guide plate 4 of the first optical module, and the incident side of light guide plate 4 is then placed on second and is held
In load portion 11；And the assembly of the second optical module, since the lamp bead 3 of the second optical module is already installed on the of first base 5
In one fixed part 9 (as shown in Figure 4), therefore, as shown in figure 3-2,4 pairs of light sides of light guide plate of the second optical module are directly placed at
On second supporting part 11 of the same side, due to an only lamp bar 3 general in optical module in the present invention, it is being assembled to
When last group of optical module, do not needed in the second fixed part 10 in the second base 6 at last group of optical module
Lamp bar is placed, and selects directly being placed on the second supporting part 11 to light side by the light guide plate 4 of this group of optical module, such energy
Die cost is enough saved, and can be simpler in assembly.
As shown in fig. 7, insertion is equipped with pair in gap between two sides and optical module 2 vertical with lamp bar 3 on backboard 1
Claim setting briquetting 7.Specifically, briquetting 7 includes the gap being packed between the two sides vertical with lamp bar 3 of backboard 1 and optical module 2
In filling portion 23 and from the side vertical with lamp bar 3 of backboard 1 towards horizontal-extending 4th nip portion 24 in 4 direction of light guide plate,
4th nip portion 24 is pressed on the two sides vertical with lamp bar 3 of light guide plate 4.
Preferably, the cross sectional shape in filling portion 23 is rectangle, the briquetting 7 is made of rubber material.
As shown in Figure 4, Figure 5 and Figure 6, the vertical component effect 25 side side wall identical with the second nip portion 18 and it is placed on
Light guide plate attachment fastener 15 is equipped between this side light guide plate 4 on one supporting part 8, the light guide plate attachment fastener 15 is stuck in vertical
The side of the straight side side wall identical with the second nip portion 18 of portion 25 and this side light guide plate 4 being placed in first base 5
On.Specifically, the third nip portion 16 is rectangular sheet structure, and third nip portion 16 is arranged in parallel with lamp bar 3, third pressing
The side parallel with lamp bar 3 of portion 16, which is pressed in, to be located at on the light guide plate 4 of the side phase the same side, and third nip portion 16 and lamp bar 3 are flat
The capable other side is pressed in the second nip portion 18；Two rows of grabs, two rows of grabs and lamp bar 3 are equipped in the lower end of third nip portion 16
In parallel, two rows of grabs are respectively the first grab 20, the second grab 21, and preferably the first grab 20, the second grab 21 are respectively equipped with
Two, the hook portion of the first grab 20 be stuck in on the side of the light guide plate 3 of 20 phase the same side of the first grab, the hook of the second grab 21
Portion is stuck in the card slot 19 on the side side wall identical with the first supporting part 8 of vertical component effect 25, the card slot 19 and the second card
The corresponding setting of the hook portion of hook 21.
After the first optical module and second base 6 and first base 5 are assembled, light guide plate attachment fastener 15 is inserted
Enter between the light guide plate 4 of the first optical module and vertical component effect 25, the light guide plate 4 for making the first grab 20 be stuck in the first optical module is right
On the side of light side, and the second grab 21 is then stuck on card slot 19, thus to optical module Z-direction (i.e. perpendicular to light guide plate
The direction on surface) it is limited, prevent its activity.
As shown in fig. 6, the diffuser plate support portion 17 of at least one protrusion is equipped on the upper surface of third nip portion 16, it is excellent
It is selected as two.
As shown in figure 3-1, abaculus 12, abaculus are equipped between the backboard 1 two sides parallel with lamp bar 3 and second base 6
12 can be made of rubber material, and abaculus 12 includes the first nip portion 13 and embedded division 14, and the embedded division 14 is located at the first pressure
The lower extreme direction of side adjacent with backboard 1 lower end in conjunction portion 13, embedded division 14 towards backboard 1 extends vertically, the first nip portion 13 from
Second base 6 is inserted into the gap between backboard 1 and second base 6 towards 4 direction horizontal extension of light guide plate, embedded division 14, and first
Nip portion 13 is pressed on light guide plate 4.
The first optical module be located at first optical module phase the same side second base 6 after the assembly is completed, install it is embedding
The embedded division 14 of abaculus 12 is inserted between pedestal 1 and second base 6, consolidates the light guide plate 4 of the first optical module by block 12
It is fixed, and the first nip portion 13 is then pressed in above 4 incident side of light guide plate of the first optical module, similarly, is located at the second optics module
On abaculus 12 in, the first nip portion 13 is pressed in 4 pairs of light upper sides of light guide plate of the second optical module, and embedded division 14 is inserted into pedestal
Between 1 and second base 6.
As shown in figure 8, when at least two groups optical film group is passed through first base 5, second base 6 and abaculus 12, cushion block
22 and after light guide plate attachment fastener 15 assembled, first base 5, second base 6, cushion block 22 carry lamp bar, leaded light respectively
Plate limits light guide plate level and vertical direction (Z axis) freedom degree by light guide plate attachment fastener 15, spells optical module mutually
It is connected together, to reduce the difficulty that several optical modules are assembled into light-source system.
First base 5, second base 6 can be used metal material and be made in the present invention, preferably position aluminium alloy.
Although the present invention has shown and described referring to specific embodiment, it should be appreciated by those skilled in the art that:
In the case where not departing from the spirit and scope of the present invention being defined by the claims and their equivalents, can carry out herein form and
Various change in details.
Claims (9)
1. a kind of backlight assembly, including the optical module (2) being set on backboard (1), the optical module (2) includes lamp bar (3)
And light guide plate (4), it is characterised in that: the optical module (2) is equipped at least two groups or more, and optical module (2) is successively laid with
On backboard (1), first base (5) are equipped at the position on backboard (1) between two adjacent groups optical module (2), the
One pedestal (5) is arranged in parallel with lamp bar (3)；The second bottom that the two sides parallel with lamp bar (3) are provided symmetrically on backboard (1)
Seat (6), second base (6) is arranged in parallel with lamp bar (3), and the optical module (2) is individually positioned in first base (5) and the
On two pedestals (6), cushion block (22) are additionally provided between the backboard (1) and light guide plate (4)；
The vertical sectional shape of the first base (5) is zigzag, and first base (5) includes vertical component effect (25), is set to vertical component effect
(25) the first supporting part (8) of side lower end and the second nip portion (18) set on vertical component effect (25) other side upper end, it is described
First supporting part (8) is used to carry the light guide plate (4) of side, and the second nip portion (18) is used to clasp the light guide plate (4) of the other side,
Identical side side wall forms the first fixed part for fixing lamp bar (3) with the second nip portion (18) on the vertical component effect (25)
(9)。
2. backlight assembly according to claim 1, it is characterised in that: the vertical component effect (25) and the second nip portion (18) phase
Light guide plate attachment fastener is equipped between same side side wall and this side light guide plate (4) being placed on the first supporting part (8)
(15), the light guide plate attachment fastener (15) is stuck in vertical component effect (25) and identical side side wall and puts with the second nip portion (18)
On the side for setting this side light guide plate (4) on first base (5).
3. backlight assembly according to claim 2, it is characterised in that: the light guide plate attachment fastener (15) includes and lamp bar
(3) third nip portion (16) disposed in parallel, third nip portion (16) side parallel with lamp bar (3), which is pressed in, to be placed on first and holds
On this side light guide plate (4) in load portion (8), third nip portion (16) other side parallel with lamp bar (3) is pressed in the second pressing
In portion (18)；It is equipped with and lamp bar (3) two rows of grabs disposed in parallel, respectively the first grab in the lower end of third nip portion (16)
(20), the second grab (21), the hook portion of the first grab (20) are stuck in the light guide plate for this side being placed on the first supporting part (8)
(3) side is opposite, and the hook portion of the second grab (21) is stuck in set on vertical component effect (25) and the second nip portion (18) identical side
In card slot (19) on side wall, card slot (19) setting corresponding with the hook portion of the second grab (21).
4. backlight assembly according to claim 1 to 3, it is characterised in that: the second base (6) and lamp bar
(3) parallel and adjacent with backboard (1) side is equipped with the groove for fixing lamp bar (3), and it is solid that the groove forms second
Determine portion (10), the other side opposite with the second fixed part (10) is equipped with the light guide plate for carrying side on second base (6)
(4) the second supporting part (11).
5. backlight assembly according to claim 4, it is characterised in that: be equipped between the backboard (1) and second base (6)
Abaculus (12), abaculus (12) include the first nip portion (13) and embedded division (14), and the embedded division (14) is located at the first pressing
In portion (13) with backboard (1) adjacent side lower end, embedded division (14) towards backboard (1) lower end extend, the first nip portion (13) from
Second base (6) extends towards light guide plate (4) direction, and embedded division (14) is inserted into the gap between backboard (1) and second base (6)
Interior, the first nip portion (13) is pressed on this side light guide plate (4) on second base (6).
6. backlight assembly according to claim 3, it is characterised in that: the upper surface of the third nip portion (16) is equipped with
The diffuser plate support portion (17) of at least one protrusion.
7. backlight assembly according to claim 6, it is characterised in that: first grab (20) and the second grab (21) point
It She You at least two.
8. backlight assembly according to claim 1, it is characterised in that: the two sides vertical with lamp bar (3) on the backboard (1)
Symmetrically arranged briquetting (7) are embedded in gap between optical module (2).
9. backlight assembly according to claim 8, it is characterised in that: the briquetting (7) includes being packed on backboard and lamp
Filling portion (23) in gap between the vertical two sides (1) of item (3) and optical module (2) and prolong towards light guide plate (4) direction
The 4th nip portion (24) stretched, the 4th nip portion (24) are pressed on light guide plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167348.5A CN106647026B (en) | 2016-12-16 | 2016-12-16 | A kind of backlight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167348.5A CN106647026B (en) | 2016-12-16 | 2016-12-16 | A kind of backlight assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106647026A CN106647026A (en) | 2017-05-10 |
| CN106647026B true CN106647026B (en) | 2019-09-17 |
Family
ID=58822750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167348.5A Active CN106647026B (en) | 2016-12-16 | 2016-12-16 | A kind of backlight assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106647026B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178155A (en) * | 2006-11-02 | 2008-05-14 | 任少华 | Surface light source composed of multiple light conducting plates used for lighting lamp |
| CN102081187A (en) * | 2010-11-30 | 2011-06-01 | 深圳市华星光电技术有限公司 | Spliced type light guide plate structure and backlight module |
| CN202613201U (en) * | 2011-01-13 | 2012-12-19 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN102889505A (en) * | 2011-07-19 | 2013-01-23 | 奇美电子股份有限公司 | Multi-region dynamic backlight module |
| CN105093675A (en) * | 2015-07-30 | 2015-11-25 | 深圳市华星光电技术有限公司 | Backlight module |
-
2016
- 2016-12-16 CN CN201611167348.5A patent/CN106647026B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178155A (en) * | 2006-11-02 | 2008-05-14 | 任少华 | Surface light source composed of multiple light conducting plates used for lighting lamp |
| CN102081187A (en) * | 2010-11-30 | 2011-06-01 | 深圳市华星光电技术有限公司 | Spliced type light guide plate structure and backlight module |
| CN202613201U (en) * | 2011-01-13 | 2012-12-19 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN102889505A (en) * | 2011-07-19 | 2013-01-23 | 奇美电子股份有限公司 | Multi-region dynamic backlight module |
| CN105093675A (en) * | 2015-07-30 | 2015-11-25 | 深圳市华星光电技术有限公司 | Backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106647026A (en) | 2017-05-10 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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