CN105353558B - A kind of Novel back optical mode group - Google Patents
A kind of Novel back optical mode group Download PDFInfo
- Publication number
- CN105353558B CN105353558B CN201510783654.0A CN201510783654A CN105353558B CN 105353558 B CN105353558 B CN 105353558B CN 201510783654 A CN201510783654 A CN 201510783654A CN 105353558 B CN105353558 B CN 105353558B
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- China
- Prior art keywords
- reflector plate
- block
- groove
- optical mode
- backboard
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- 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
- G02F1/133605—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
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- 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 present invention relates to technical field of liquid crystal display, disclose a kind of Novel back optical mode group, including backboard, light emitting device, light guide plate and reflector plate, the reflector plate is arranged between the backboard and the light guide plate, the reflector plate has incident side and non-light incidence side, the light emitting device is mounted in front of the incident side, reflector plate incident side front end is equipped with convex block and groove, the convex block end face is in contact with the light emitting device, the reflector plate incident side side wall is equipped with thrust structure, it include thrust groove in the thrust structure, the limited block for being limited to the reflector plate is provided on the backboard, the limited block is matched with the thrust groove；The present invention is matched by the thrust structure on reflector plate with the limited block on backboard, it is ensured that the fixation of reflector plate position, the present apparatus have structure simple, and design is reasonable, the high advantage of structural stability.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of Novel back optical mode groups.
Background technique
In the electronics industry, backlight is a kind of form of illumination, is commonly used for LCD and shows.Backlight type and preceding light formula are not
It is that backlight is to irradiate from side or behind, and preceding light is then irradiated from the front as its name suggests with place.They are used to increase
Brightness in the illuminance and computer monitor, liquid crystal screen in low lighting environment, to show that similar mode generates with CRT
Light out.Backlight module is one of the key part and component of panel of LCD, since liquid crystal itself does not shine, the function of backlight module
The light source that can be well-off brightness and be evenly distributed, can normally show image.
In the design of backlight module of existing TV, reflector plate has certain distance that inside contracts, reflection with respect to light guide plate
There is also spacing distances between piece and light emitting device, and when inside contracting distance and spacing distance is fixed value, backlight module has
Higher job stability, still, most of traditional reflector plate are square, and during actual assembled, reflector plate is usually
It is easy to happen and moves out of position, can not accurately be fixed on predeterminated position, in addition, due to reflector plate material and environment
The limitation of factor, temperature and humidity under different conditions, reflector plate can be expanded and be shunk, so that the opposite position of reflector plate
It sets and changes, and then out of position.When inside contract distance it is smaller when, the interval distance between reflector plate and light emitting device at this time
It is smaller from also, it is bad that the upper incident side bright border of backlight module taste would tend to occur；When inside contract apart from it is larger when, at this time reflector plate with
Spacing distance between light emitting device is also larger, it may appear that brightness loss causes the luminance shortage of entire backlight module, lamp source
Utilization rate is not high.
In summary, it is ensured that the interval distance that inside contracts distance and reflector plate and light emitting device between of the reflector plate with respect to light guide plate
It is a technical problem urgently to be solved in current design of backlight module from design requirement is met.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of Novel back optical mode group, passes through the thrust structure on reflector plate
It is matched with the limited block on backboard, it is ensured that the fixation of reflector plate position, the present invention have structure simple, and design is reasonable, structure
The high advantage of stability.
In order to solve the above-mentioned technical problems, the present invention provides a kind of Novel back optical mode group, including backboard, light emitting device,
Light guide plate and reflector plate, the reflector plate are arranged between the backboard and the light guide plate, and the reflector plate has incident side
And non-light incidence side, the light emitting device are mounted in front of the incident side, reflector plate incident side front end is equipped with convex block and recessed
Slot, the convex block end face are in contact with the light emitting device, and the reflector plate incident side side wall is equipped with thrust structure, described to stop
Include thrust groove in selection structure, the limited block for being limited to the reflector plate, the limit are provided on the backboard
Block is matched with the thrust groove.
Preferably, the groove is distributed in the convex block adjacent area, and the groove width of the groove is greater than the convex block
Width.
Preferably, the distance of the groove end face to the light emitting device is greater than the guide-lighting plate end face to the luminous dress
The distance set.
Specifically, the thrust structure further includes the first block and the second block, and the thrust groove is located at the first gear
Between block, second block and the reflector plate incident side side wall.
In detail, first block is used to limit the displacement in the front-back direction of the reflector plate, and second block is used
In the displacement for the left and right directions for limiting the reflector plate.
Preferably, the quantity of the thrust structure is 2, is located at the left and right side of the reflector plate incident side.
Preferably, the thrust structure is L-shaped, and first block end face is concordant with the groove end face.
Optionally, the limited block can be integrally formed with the backboard, can also be fixedly connected with the backboard.
Preferably, the limited block is fixed on the back plate surface using adhesive technology.
Further, the light emitting device is lamp bar PCB.
A kind of Novel back optical mode group of the invention, has the following beneficial effects:
1. design has convex block on a kind of reflector plate of Novel back optical mode group of the invention, and the height of convex block is according to preset value
It is set, it is ensured that convex block end face is in contact with light emitting device, and the position of reflector plate is accurate.
2. design has thrust structure on a kind of reflector plate of Novel back optical mode group of the invention, and design has limit on backboard
Block, thrust structure can be matched with limited block, so that reflector plate be fixed, avoid reflector plate mobile or deflection.
3. the limited block on a kind of Novel back optical mode group dorsulum of the invention can not only use integrated molding mode system
, it can also be mounted on backboard by the way of being fixedly connected, process means are flexible and changeable.
4. a kind of novel backlight module structure of the invention is simple, rationally, structural stability is high for design, has and pushes away well
Wide use value.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is a kind of cross-sectional view of novel backlight module structure schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of reflector plate in a kind of Novel back optical mode group embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of Novel back optical mode group embodiment dorsulum of the present invention；
In figure: 1- backboard, 2- light emitting device, 3- light guide plate, 4- reflector plate, 11- limited block, 41- convex block, 42-
Groove, 43- thrust structure, the first block of 431-, the second block of 432-, 433- thrust groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
In one embodiment, as shown in Figure 1, the present invention provides a kind of Novel back optical mode group, including backboard 1, shine
Device 2, light guide plate 3 and reflector plate 4, the reflector plate 4 are arranged between the backboard 1 and the light guide plate 3, the reflector plate
4 have incident side and non-light incidence side, and the light emitting device 2 is mounted in front of the incident side, and light emitting device 2 is adopted in the present embodiment
With lamp bar PCB.
As shown in Fig. 2, the 4 incident side front end of reflector plate be equipped with 4 convex blocks 41 being spaced apart, adjacent convex block 41 it
Between there is groove 42, the pre-determined distance when set length of convex block 41 as normal work between reflector plate 4 and lamp bar PCB, therefore,
When assembling reflector plate 4, it is necessary to reflector plate 4 are pushed into incident side bottom, so that 41 end face of the convex block connects with lamp bar PCB
Touching, can guarantee the accuracy of the position of reflector plate 4 at this time.
In addition, 4 incident side of reflector plate is equipped with 2 thrust structures 43, it is located at a left side for 4 incident side of reflector plate
Side and right side, the thrust structure 43 include the first block 431 and the second block 432, first block 431, described second
Thrust groove 433 is formed between 4 incident side side wall of block 432 and the reflector plate, in detail, the thrust structure 43 is L-shaped,
First block, 431 end face is concordant with 42 end face of groove, and first block 431 is for limiting the reflector plate 4
It is displaced in the front-back direction, the displacement of left and right directions of second block 432 for limiting the reflector plate 4, in the present embodiment
Thrust structure 43 is made using punching process.
The distance of 42 end face of groove to lamp bar PCB are greater than 3 end face of light guide plate to the distance of lamp bar PCB, effectively
The spacing distance avoided between reflector plate 4 and lamp bar PCB is smaller, and backlight module taste occur, above incident side bright border is bad, or
Spacing distance between reflector plate 4 and lamp bar PCB is larger, brightness loss occurs, causes the luminance shortage of entire backlight module,
The not high defect of lamp source utilization rate.
In addition, as shown in figure 3, be provided with the limited block 11 for being limited to the reflector plate 4 on the backboard 1,
The limited block 11 is matched with the thrust groove 433, and limited block 11 described in the present embodiment is fixed on institute using adhesive technology
1 surface of backboard is stated, by the way that the thrust structure 43 to be caught in the limited block 11, the reflector plate 4 is secured firmly to institute
On the designated position for stating backboard 1, to guarantee the accuracy of position and distance.
A kind of Novel back optical mode group of the invention, has the following beneficial effects:
1. design has convex block on a kind of reflector plate of Novel back optical mode group of the invention, and the height of convex block is according to preset value
It is set, it is ensured that convex block end face is in contact with light emitting device, and the position of reflector plate is accurate.
2. design has thrust structure on a kind of reflector plate of Novel back optical mode group of the invention, and design has limit on backboard
Block, thrust structure can be matched with limited block, so that reflector plate be fixed, avoid reflector plate mobile or deflection.
3. the limited block on a kind of Novel back optical mode group dorsulum of the invention can not only use integrated molding mode system
, it can also be mounted on backboard by the way of being fixedly connected, process means are flexible and changeable.
4. a kind of novel backlight module structure of the invention is simple, rationally, structural stability is high for design, has and pushes away well
Wide use value.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of Novel back optical mode group, which is characterized in that including backboard (1), light emitting device (2), light guide plate (3) and reflector plate
(4), the reflector plate (4) is arranged between the backboard (1) and the light guide plate (3), and the reflector plate (4) has incident side
And non-light incidence side, the light emitting device (2) are mounted in front of the incident side, reflector plate (4) the incident side front end is equipped with convex
Block (41) and groove (42), convex block (41) end face are in contact with the light emitting device (2),
Reflector plate (4) the incident side side wall is equipped with thrust structure (43), includes thrust groove in the thrust structure (43)
(433), the limited block (11) for being limited to the reflector plate (4), the limited block are provided on the backboard (1)
(11) it is matched with the thrust groove (433)；
The thrust structure (43) further includes the first block (431) and the second block (432), and first block (431) is used for
The displacement in the front-back direction of the reflector plate (4) is limited, second block (432) is used to limit a left side for the reflector plate (4)
The displacement of right direction；
The groove width of the groove (42) is greater than the width of the convex block (41).
2. Novel back optical mode group according to claim 1, which is characterized in that the groove (42) is distributed in the convex block
(41) in adjacent area.
3. Novel back optical mode group according to claim 2, which is characterized in that groove (42) end face to the luminous dress
Set the distance of the distance greater than the light guide plate (3) end face to the light emitting device (2) of (2).
4. Novel back optical mode group according to claim 3, which is characterized in that the thrust groove (433) is located at described first
Between block (431), second block (432) and the reflector plate (4) incident side side wall.
5. Novel back optical mode group according to claim 4, which is characterized in that the quantity of the thrust structure (43) is 2,
It is located at the left and right side of the reflector plate (4) incident side.
6. Novel back optical mode group according to claim 5, which is characterized in that the thrust structure (43) is L-shaped, described
First block (431) end face is concordant with the groove (42) end face.
7. Novel back optical mode group according to claim 6, which is characterized in that the limited block (11) can be with the backboard
(1) it is integrally formed, can also be fixedly connected with the backboard (1).
8. Novel back optical mode group according to claim 7, which is characterized in that the limited block (11) is solid using adhesive technology
It is scheduled on the backboard (1) surface.
9. according to Novel back optical mode group described in claim 2,4,7 or 8, which is characterized in that the light emitting device (2) is lamp bar
PCB。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783654.0A CN105353558B (en) | 2015-11-16 | 2015-11-16 | A kind of Novel back optical mode group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783654.0A CN105353558B (en) | 2015-11-16 | 2015-11-16 | A kind of Novel back optical mode group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105353558A CN105353558A (en) | 2016-02-24 |
| CN105353558B true CN105353558B (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510783654.0A Active CN105353558B (en) | 2015-11-16 | 2015-11-16 | A kind of Novel back optical mode group |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115291435A (en) * | 2022-08-26 | 2022-11-04 | 惠科股份有限公司 | Backlight module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200842456A (en) * | 2007-04-19 | 2008-11-01 | Chi Mei Optoelectronics Corp | Liquid crystal display and side-type backlight module thereof |
| CN101900308A (en) * | 2009-05-29 | 2010-12-01 | 友达光电(厦门)有限公司 | Light source framework and backlight module |
| CN102620185A (en) * | 2012-02-10 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN202613208U (en) * | 2012-03-22 | 2012-12-19 | 深圳市德仓科技有限公司 | Backlight module |
| CN103196082A (en) * | 2013-04-15 | 2013-07-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN103292207A (en) * | 2012-02-22 | 2013-09-11 | 鑫成科技(成都)有限公司 | Backlight module and liquid crystal display device |
-
2015
- 2015-11-16 CN CN201510783654.0A patent/CN105353558B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200842456A (en) * | 2007-04-19 | 2008-11-01 | Chi Mei Optoelectronics Corp | Liquid crystal display and side-type backlight module thereof |
| CN101900308A (en) * | 2009-05-29 | 2010-12-01 | 友达光电(厦门)有限公司 | Light source framework and backlight module |
| CN102620185A (en) * | 2012-02-10 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103292207A (en) * | 2012-02-22 | 2013-09-11 | 鑫成科技(成都)有限公司 | Backlight module and liquid crystal display device |
| CN202613208U (en) * | 2012-03-22 | 2012-12-19 | 深圳市德仓科技有限公司 | Backlight module |
| CN103196082A (en) * | 2013-04-15 | 2013-07-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
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| Publication number | Publication date |
|---|---|
| CN105353558A (en) | 2016-02-24 |
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Effective date of registration: 20200514 Address after: 310052 room 508, floor 5, building 4, No. 699, Wangshang Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Alibaba (China) Co.,Ltd. Address before: 100029, B, 6 floor, World Trade Center, No. 36 East Third Ring Road, Dongcheng District, Beijing Patentee before: HEYI INTELLIGENT TECHNOLOGY (SHENZHEN) Co.,Ltd. |