CN106842706A - Spliced backlight assembly - Google Patents
Spliced backlight assembly Download PDFInfo
- Publication number
- CN106842706A CN106842706A CN201710113878.XA CN201710113878A CN106842706A CN 106842706 A CN106842706 A CN 106842706A CN 201710113878 A CN201710113878 A CN 201710113878A CN 106842706 A CN106842706 A CN 106842706A
- Authority
- CN
- China
- Prior art keywords
- lamp bar
- optical module
- backlight assembly
- base
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 61
- 239000011324 bead Substances 0.000 claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a kind of spliced backlight assembly, including at least two groups optical modules for mutually splicing, light filling lamp bar is provided between two adjacent groups optical module, the lamp bead of the light filling lamp bar is relative with liquid crystal display panel.Compared with prior art, by setting light filling lamp bar between optical module, the brightness of the splicing blanking bar to existing between optical module is compensated, and makes up the problem of luminance shortage.
Description
Technical field
The present invention relates to a kind of liquid crystal panel module technology, particularly a kind of spliced backlight assembly.
Background technology
In traditional liquid crystal display module or machine, frequently with straight-down negative or side entrance back as light source.
In both known light source design schemes, the assembling mode of diffuser plate or light guide plate is relatively simple, and more existing
Modular optical module system, is made up of several optical modules, and between each optical module and optical module, due to producing
Product are relatively thin, and optical module is spliced, almost without light mixing distance, so it is dark to there is this splicing between optical module
Band.
The content of the invention
To overcome the deficiencies in the prior art, the present invention provides a kind of spliced backlight assembly, so as to make up luminance shortage
Problem.
The invention provides a kind of spliced backlight assembly, including at least two groups optical modules for mutually splicing, adjacent two
Light filling lamp bar is provided between group optical module, the lamp bead of the light filling lamp bar is relative with liquid crystal display panel.
Further, the diffuser plate more than a piece of is provided with optical module.
Further, the optical module include reflector plate, the light guide plate on reflector plate, for carry light guide plate with
The first base and second base of reflector plate, lamp bar；The lamp bead of lamp bar is oppositely arranged with a side of light guide plate, first base position
In on light guide plate with lamp bar parallel and adjacent to side, second base is located at the light guide plate opposite side parallel with lamp bar, the lamp
Bar is fixed in one group of adjacent first base of optical module.
Further, the first base includes vertical portion, the supporting part located at vertical portion side lower end, the supporting part
The side relative with lamp bar for carrying light guide plate, the surface of the side opposite with supporting part is provided with forms and is used on vertical portion
The fixed part of the lamp bar of the adjacent one group of optical module of fixation, the light filling lamp bar is on the upper end face of vertical portion.
Further, side upper end relative with lamp bar on the vertical portion is provided with for being pressed in adjacent one group of optical module
Light guide plate on nip portion.
Further, the supporting part is provided with reflector layer.
Further, the supporting part is provided with groove, and one layer of reflector layer is coated with groove.
Further, the groove is parallel with lamp bar.
Further, the light filling lamp bar is arranged on the upper end face of nip portion.
Further, the upper end face of the nip portion is inclined-plane, by light guide plate towards the one group light adjacent with first base
Module height is learned to successively decrease successively.
The present invention compared with prior art, by between optical module set light filling lamp bar, to being deposited between optical module
The brightness of splicing blanking bar compensate, make up the problem of luminance shortage.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of optical module of the invention；
Fig. 2 is the profile of optical module of the invention；
Fig. 3 is the installation diagram between two adjacent groups optical module of the present invention；
Fig. 4 is the first structural representation of first base of the present invention；
Fig. 5 is second structural representation of first base of the present invention；
Fig. 6 is the connection diagram between optical module of the present invention and substrate.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in figs. 1 and 3, a kind of backlight assembly of the invention includes optical module 2 at least more than two, optical module
2 are laid successively, and light filling lamp bar 1 is provided between two groups of optical modules 2, and tiling has one or more pieces to spread on optical module 2
Plate 3, so as to constitute uniform light source after light source is atomized.The splicing blanking bar that light filling lamp bar 1 is used to make up between optical module is bright
Spend not enough problem.
As shown in Fig. 2 every group of optical module 2 includes reflector plate 4, the light guide plate 5 on reflector plate 4, is led for carrying
The first base 6 and second base 7, lamp bar 8 of tabula rasa 5 and reflector plate 4；The lamp bead of lamp bar 8 is relative with a side of light guide plate 5 to be set
Put, light guide plate 5 is rectangular strip, light guide plate 5 be arranged in parallel with lamp bar 8, second base 7 is rectangular list structure, second base 7
It is parallel with lamp bar 8；The first base 6 be located on light guide plate 5 with lamp bar 8 parallel and adjacent to side, first base 6 and lamp bar
8 is parallel, and second base 7 makes first base 6 and second base 7 relative, lamp bar located at the opposite side parallel with lamp bar 8 of light guide plate 5
8 are fixed in one group of adjacent first base of optical module 26.
As shown in figure 3, first base 6 includes vertical portion 9, the supporting part 10 located at the side lower end of vertical portion 9, the carrying
Portion 10 is used to carry the side relative with lamp bar 8 of light guide plate 5, the table of the side opposite with supporting part 10 is provided with vertical portion 9
Face forms the fixed part 11 of the lamp bar 8 for fixing adjacent one group of optical module 2, and lamp bar 8 is fixed on fixed part by double faced adhesive tape
On 11；The light filling lamp bar 1 is fixed on the upper end face of vertical portion 9 by double faced adhesive tape；Supporting part 10 is towards the direction of second base 7
Extend.
Relative with lamp bar 8 side upper end on vertical portion 9 is provided with the light guide plate for being pressed in adjacent one group of optical module 2
Nip portion 12 on 5, nip portion 12 extends towards one group of adjacent direction of the light guide plate of optical module 25, and nip portion 12 is used to fix
The light guide plate 5 of adjacent one group of optical module 2, constitutes zigzag structure between vertical portion 9, nip portion 12 and supporting part 10, described
The length of nip portion 12 less than supporting part 10 length, light guide plate 5 will not so be done to block, it is to avoid reduce light guide plate
5 optical property.
In 14 outermost two groups of optical modules 2 of backboard, the lamp bar 8 in one of which optical module 2 can pass through
It is directly anchored on the side corresponding thereto of backboard 14, can so saves one piece of first base 6.
As shown in figure 3, used as a kind of preferred mounting means of light filling lamp bar 1, light filling lamp bar 1 is fixed on by double faced adhesive tape
On the upper end face of nip portion 12, in the present invention, light filling lamp bar 1 can set a plurality of according to actual conditions.
Used as the further preferred scheme of first base 6, the upper end face of nip portion 12 is inclined-plane, by light guide plate 5 towards with
The adjacent height of one group of optical module 2 of first base 6 successively decreases successively so that form certain between light filling lamp bar 1 and diffuser plate
Angle, realizes the effect reflected the light source of light filling lamp bar 1, can so be conducive to the installation of the lamp bar of extra addition, and
Strengthen local optically focused.
In order to further eliminate blanking bar in the present invention, realized using two ways：
The first on supporting part 10 as shown in figure 4, be provided with reflector layer 12.
As shown in figure 5, be provided with groove 13 on supporting part 10, one layer of reflector layer 12 is coated with groove 13 second.
The groove 13 can be parallel with lamp bar.
By above two mode, realize improving local reflex effect, can so be conducive to eliminating blanking bar.
The reflector layer 12 is the reflectorized material being coated in supporting part 10 or groove 13.
Connecting method of the invention is illustrated below, in order to make it easy to understand, the optical module in left side is named as into
One optical module 2A, the second optical module 2B is named as by the optical module on right side.
As shown in figure 3, when installing, a direction is installed successively toward another direction therefrom, first, by the first optical mode
The first base 6A and second base 7A of block 2A are placed on backboard 14, are then put reflector plate 4A and light guide plate 5A successively
Put on the supporting part 10A and second base 7A of first base 6A, then put the first base 6B of the second optical module 2B
It is fashionable that first the lamp bar 8A of the first optical module 2A is assembled on fixed part 11B, then by first base 6B and second base
7B is assembled on backboard 14, and then nip portion 12B is weighing on the side light guide plate 5A of the first optical module 2A adjacent thereto
The installation of interflection piece 4B, light guide plate 5B and lamp bar 8B, is finally completed the assembling of optical module；When being installed in place in backboard most
During two groups of optical modules in outside, suitable shape can be changed to by by second base and first base, finally again
Light filling lamp bar 1 is assembled on nip portion upper end face.
As shown in Figure 2 and Figure 6, can be packed between the both sides vertical with lamp bar 8 of all optical modules 2 and backboard 14 embedding
Enter bar 15, the first base 6 and second base 7 in the mode that embedded bar 15 can be bolted and optical module 2 are mutually interconnected
Connect fixation so that optical module 2 is assembled into set of backlight assembly；The fixed form of optical module 2 and embedded bar 15 can be with
It is that a jack 16 is set at the groove 13 in being located at every group of first base 6 of optical module 2 on embedded bar 15, on jack 16
Inserting column 17 is provided with, is stretched into groove 13 by jack 16 by inserting column 17, realize that embedded bar 15, will to the spacing of first base 6
First base 6 is pressed on backboard 14；It is worth noting that, aforesaid way is only a kind of example, any fixed form
It is applied in the connection of embedded bar 15 of the invention and first base 6.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where the spirit and scope of the present invention limited by claim and its equivalent are not departed from, can carry out herein form and
Various change in details.
Claims (10)
1. a kind of spliced backlight assembly, including at least two groups optical modules for mutually splicing (2), it is characterised in that：Adjacent two
Light filling lamp bar (1) is provided between group optical module (2), the lamp bead of the light filling lamp bar (1) is relative with liquid crystal display panel.
2. spliced backlight assembly according to claim 1, it is characterised in that：Be provided with optical module (2) it is a piece of with
On diffuser plate (3).
3. spliced backlight assembly according to claim 1, it is characterised in that：The optical module (2) is including reflector plate
(4) light guide plate (5), on reflector plate (4), the first base (6) for carrying light guide plate (5) and reflector plate (4) and the
Two bases (7), lamp bar (8)；The lamp bead of lamp bar (8) is oppositely arranged with a side of light guide plate (5), and first base (6) is positioned at leading
On tabula rasa (5) with lamp bar (8) parallel and adjacent to side, second base (7) is located at another parallel with lamp bar (8) of light guide plate (5)
Side, the lamp bar (8) is fixed in the first base (6) of one group of adjacent optical module (2).
4. spliced backlight assembly according to claim 3, it is characterised in that：The first base (6) is including vertical portion
(9), located at the supporting part (10) of vertical portion (9) side lower end, the supporting part (10) is for carrying light guide plate (5) and lamp bar
(8) relative side, the surface of the side opposite with supporting part (10) is provided with is formed for fixing adjacent one on vertical portion (9)
The fixed part (11) of the lamp bar (8) of group optical module (2), the light filling lamp bar (1) is on the upper end face of vertical portion (9).
5. spliced backlight assembly according to claim 4, it is characterised in that：With lamp bar (8) phase on the vertical portion (9)
To side upper end be provided with nip portion (12) for being pressed on the light guide plate (5) of adjacent one group of optical module (2).
6. spliced backlight assembly according to claim 4, it is characterised in that：The supporting part (10) is provided with reflector layer
(12)。
7. spliced backlight assembly according to claim 4, it is characterised in that：The supporting part (10) is provided with groove
(13), it is coated with one layer of reflector layer (12) in groove (13).
8. spliced backlight assembly according to claim 7, it is characterised in that：The groove (13) is parallel with lamp bar.
9. spliced backlight assembly according to claim 5, it is characterised in that：The light filling lamp bar (1) is arranged on pressing
On the upper end face in portion (12).
10. spliced backlight assembly according to claim 9, it is characterised in that：The upper end face of the nip portion (12)
It is inclined-plane, is successively decreased successively towards one group optical module (2) height adjacent with first base (6) by light guide plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113878.XA CN106842706B (en) | 2017-02-28 | 2017-02-28 | Splicing type backlight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113878.XA CN106842706B (en) | 2017-02-28 | 2017-02-28 | Splicing type backlight assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106842706A true CN106842706A (en) | 2017-06-13 |
| CN106842706B CN106842706B (en) | 2020-06-09 |
Family
ID=59137128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113878.XA Active CN106842706B (en) | 2017-02-28 | 2017-02-28 | Splicing type backlight assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842706B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133914A (en) * | 2019-05-29 | 2019-08-16 | 深圳市华星光电半导体显示技术有限公司 | A kind of backing structure and preparation method thereof, display device |
| CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
| US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697999A (en) * | 2003-02-24 | 2005-11-16 | 索尼株式会社 | Backlight, back-light drive device, and display device |
| CN1841152A (en) * | 2005-04-01 | 2006-10-04 | 安捷伦科技有限公司 | Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates |
| CN101017281A (en) * | 2006-02-10 | 2007-08-15 | 鸿富锦精密工业（深圳）有限公司 | Back light system |
| CN201382341Y (en) * | 2009-04-08 | 2010-01-13 | 深圳帝光电子有限公司 | Video-control dynamic LED (light-emitting diode) backlight component |
| CN101680636A (en) * | 2007-07-27 | 2010-03-24 | 夏普株式会社 | Illuminating device, and liquid crystal display device |
| JP2010287556A (en) * | 2009-05-15 | 2010-12-24 | Seiko Instruments Inc | Lighting device and display including the same |
| CN101604094B (en) * | 2008-06-09 | 2011-11-16 | 株式会社日立制作所 | Display apparatus and back light unit to be used therefor |
-
2017
- 2017-02-28 CN CN201710113878.XA patent/CN106842706B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697999A (en) * | 2003-02-24 | 2005-11-16 | 索尼株式会社 | Backlight, back-light drive device, and display device |
| CN1841152A (en) * | 2005-04-01 | 2006-10-04 | 安捷伦科技有限公司 | Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates |
| CN101017281A (en) * | 2006-02-10 | 2007-08-15 | 鸿富锦精密工业（深圳）有限公司 | Back light system |
| CN101680636A (en) * | 2007-07-27 | 2010-03-24 | 夏普株式会社 | Illuminating device, and liquid crystal display device |
| CN101604094B (en) * | 2008-06-09 | 2011-11-16 | 株式会社日立制作所 | Display apparatus and back light unit to be used therefor |
| CN201382341Y (en) * | 2009-04-08 | 2010-01-13 | 深圳帝光电子有限公司 | Video-control dynamic LED (light-emitting diode) backlight component |
| JP2010287556A (en) * | 2009-05-15 | 2010-12-24 | Seiko Instruments Inc | Lighting device and display including the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133914A (en) * | 2019-05-29 | 2019-08-16 | 深圳市华星光电半导体显示技术有限公司 | A kind of backing structure and preparation method thereof, display device |
| CN110133914B (en) * | 2019-05-29 | 2021-12-03 | 深圳市华星光电半导体显示技术有限公司 | Backlight structure, manufacturing method thereof and display device |
| CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
| US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106842706B (en) | 2020-06-09 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL China Star Optoelectronics 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. |