CN103363387A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN103363387A CN103363387A CN 201210095529 CN201210095529A CN103363387A CN 103363387 A CN103363387 A CN 103363387A CN 201210095529 CN201210095529 CN 201210095529 CN 201210095529 A CN201210095529 A CN 201210095529A CN 103363387 A CN103363387 A CN 103363387A
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- light
- matrix
- lgp
- extension
- backlight module
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight module and a liquid crystal display device. The backlight module comprises a light source, a light guide plate, a reflective sheet and a frame. The frame comprises a back plate and a side wall. The reflective sheet and the light guide plate are sequentially arranged on the back plate, and the light source is arranged on one side of the light entering face of the light guide plate and comprises a base body and a light-emitting element fixed on the base body. The backlight module is characterized in that the reflective sheet comprises a main body part clamped between the light guide plate and the back plate and an extending part extending towards one side where the light source is located, the extending part comprises a first opening corresponding to the light-emitting element, a second opening is located at the position of the back plate corresponding to the extending part, the light-emitting element penetrates through the first opening to be arranged on one side of the light entering face of the light guide plate, and the base body is fixed on the extending part and exposed from one side of the back plate away from the light guide plate through the second opening. According to the backlight module, light source replacement is facilitated.
Description
Technical field
The present invention relates to a kind of backlight module and liquid crystal indicator.
Background technology
Liquid crystal indicator because of have low diathermaneity, the characteristics such as volume is compact and power consumption is low, be widely used in the fields such as mobile phone, personal digital assistant, mobile computer, personal computer and TV.Because the liquid crystal panel of liquid crystal indicator itself does not have the characteristics of luminescence, therefore, for reaching display effect, need to provide a backlight module providing brightness to liquid crystal panel fully and the planar light that is evenly distributed to liquid crystal panel, thereby realize the Presentation Function of liquid crystal indicator.
Backlight module mainly comprises LGP, light source, reflector plate, one or more blooming piece carrying and accommodates lower frame (also claiming back-cover) and the auxiliary fixedly glue frame of usefulness of said elements.Yet, because light source is contained in this lower frame, when light source need to be changed, (damage such as light source), whole backlight module all must be disassembled and could be taken out and change light source, namely have backlight module now and adopt this backlight module liquid crystal indicator be inconvenient to change light source.
Summary of the invention
For solving the problem of backlight module replacing light source inconvenience in the prior art, be necessary to provide a kind of backlight module that is convenient for changing light source.
Also be necessary to provide a kind of liquid crystal indicator that adopts this backlight module.
A kind of backlight module, it comprises light source, LGP, reflector plate and framework, this framework comprises backboard and sidewall, this reflector plate and this LGP sequentially are arranged on this backboard, this light source is arranged at incidence surface one side of this LGP, this light source comprises matrix and is fixed in light-emitting component on this matrix, it is characterized in that: this reflector plate comprises the main part that is sandwiched between this LGP and this backboard and the extension that extends to this light source place one side, this extension comprises the first opening that should light-emitting component, this backboard comprises the second opening to position that should extension, this light-emitting component passes incidence surface one side that this first opening is arranged at this LGP, and this matrix is fixed on this extension and expose from the side that this backboard deviates from this LGP by this second opening.
A kind of liquid crystal indicator, it comprises that a display panels and provides the backlight module of planar light for this display panels, this backlight module comprises light source, LGP, reflector plate and framework, this framework comprises backboard and sidewall, this reflector plate and this LGP sequentially are arranged on this backboard, this light source is arranged at incidence surface one side of this LGP, this light source comprises matrix and is fixed in light-emitting component on this matrix, it is characterized in that: this reflector plate comprises the main part that is sandwiched between this LGP and this backboard and the extension that extends to this light source place one side, this extension comprises the first opening that should light-emitting component, this backboard comprises the second opening to position that should extension, this light-emitting component passes incidence surface one side that this first opening is arranged at this LGP, and this matrix is fixed on this extension and expose from the side that this backboard deviates from this LGP by this second opening.
Compared with prior art, when backlight module of the present invention and liquid crystal indicator need to be changed light source, the first opening of the second opening that can be by this backboard and the extension of reflector plate takes out this light source and will replace light source and pack into, and need not to dismantle whole backlight module or liquid crystal indicator, therefore backlight module of the present invention and liquid crystal indicator is convenient for changing light source more.
Description of drawings
Fig. 1 is the three-dimensional exploded view of liquid crystal indicator the first embodiment of the present invention.
Fig. 2 is the solid assembling schematic diagram of liquid crystal indicator shown in Figure 1.
Fig. 3 is the generalized section of liquid crystal indicator III-III along the line shown in Figure 2.
Fig. 4 is the generalized section of liquid crystal indicator the second embodiment of the present invention.
The main element symbol description
LGP 14
The first framework 17
The second framework 18
Exiting surface 142
Matrix 151,251
Light-emitting component 152,252
First surface 153,163,253
Second surface 154,164,254
Light-emitting area 155
The first opening 165
Sidewall 172,181
The second opening 173
Fastener 174,183
Gripper shoe 182
Colloid 19
The following specific embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
See also Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the three-dimensional exploded view of liquid crystal indicator 10 first embodiments of the present invention, Fig. 2 is the solid assembling schematic diagram of liquid crystal indicator 10 shown in Figure 1, and Fig. 3 is the generalized section of liquid crystal indicator 10 III-III along the line shown in Figure 2.This liquid crystal indicator 10 comprises display panels 11 and the backlight module 12 that is oppositely arranged with this display panels 11.This backlight module 12 provides uniform planar light for this display panels 11.
This backlight module 12 comprises blooming piece 13, LGP 14, light source 15, reflector plate 16, the first framework 17 and the second framework 18.This first framework 17 comprises backboard 171 and the sidewall 172 that extends along these backboard 171 edge-perpendicular, is used for carrying and accommodates this reflector plate 16, this LGP 14, this light source 15 and this blooming piece 13.This reflector plate 16, this LGP 14 and this blooming piece 13 sequentially are arranged on this backboard 171, and this light source 15 is arranged at a side of this LGP 14.Particularly, this LGP 14 comprises incidence surface 141, the exiting surface 142 adjacent with incidence surface, and the bottom surface 143 relative with this exiting surface 142.This light source 15 is arranged at this incidence surface 141 1 sides, and this reflector plate 16 is arranged at this bottom surface 143 1 sides, and this blooming piece 13 is arranged at this exiting surface 142 1 sides.This second framework 18 is used for cooperating this first framework 17 to fix this backlight module 12, and carries this display panels 11, and it is arranged between this blooming piece 13 and this display panels 11, and can be clasped with this first framework 17.
This light source 15 comprises matrix 151 and is fixed in light-emitting component 152 on this matrix 151.This matrix 151 is the rectangular plate shape structure, and it can be circuit board, and inside can be provided with the conducting wire that is electrically connected this light-emitting component 152, is used for transmission of electric signals to this light-emitting component 152.This matrix 151 comprise first surface 153 and with the second surface 154 that is positioned at an opposite side, this first surface 153 comprises light source setting area (indicating) that should light-emitting component 152 and is positioned at outer peripheral areas (sign) around this light source setting area.This light-emitting component 152 can be light emitting diode, and its light-emitting area 155 is over against the incidence surface 141 of this LGP 14.
This reflector plate 16 comprises the main part 161 that is sandwiched between this LGP 14 and this backboard 171 and the extension 162 that extends to this light source 15 places one side.This extension 162 comprises first surface 163, be positioned at the second surface 164 of an opposite side and run through this first surface 163 and second surface 164 and to the first opening 165 that should light-emitting component 152.This first surface 163 is positioned at a side of these reflector plate 16 contiguous these LGPs 14, and this second surface 164 is positioned at a side of these reflector plate 16 contiguous these backboards 171.The profile of this extension 162 can be rectangle, and the shape of this first opening 165 also can be rectangle, and the width of its width and this light-emitting component 152 is basically identical.The width of the width of above-mentioned this first opening 165 and this light-emitting component 152 refers to that all the edge is perpendicular to the width on the direction of this incidence surface 141.
171 pairs of this backboards should extension 162 the position comprise the second opening 173.The shape of this second opening 173 also can be rectangle, its size can be with the profile of this extension 162 big or small basically identical, and this second opening 173 is greater than this first opening 165, so that the second surface 164 of this extension 162 can expose by this second opening 173.This sidewall 172 can be provided for the fastener 174 that cooperates with this second framework 18, such as draw-in groove.Preferably, the material of this first framework 17 is metal.
The matrix 151 of this light source 15 is positioned in this second opening 173 and by retaining element and this extension 162 and fixes.The light-emitting component 152 of this light source 15 can pass incidence surface 141 1 sides that this first opening 165 is arranged at this LGP 14, and makes its light-emitting area 155 over against the incidence surface 141 of this LGP 14.Particularly, this matrix 151 can be attached on this extension 162 by colloid, perhaps by locking parts such as screws this matrix 151 is locked on this extension 162.In the present embodiment, this matrix 151 is placed in this second opening 173, and the outer peripheral areas of this first surface 153 is attached on the second surface 164 of this extension 162 by these second opening, 173 exposures by colloid 19.
This second framework 18 is the frame structure of hollow, it comprise four end to end sidewalls 181 and from the inner surface of four sidewalls 181 to these the second framework 18 inboard gripper shoes 182 of extending, material is preferably plastics.The outer surface of this four sidewall 181 can comprise the fastener 183 that cooperates with this first framework 17, and such as projection, this gripper shoe 182 is used for this display panels 11 of carrying.
During this backlight module 12 assembling, first with this reflector plate 16, this LGP 14, this blooming piece 13 sequentially is placed on this backboard 171, and the second surface 164 of the extension 162 of this reflector plate 16 is exposed by this second opening 173, again this second framework 18 is snapped in one with this first framework 17, at last with the outer peripheral areas of the matrix 151 of this light source 15 by these the second opening 173 correspondences be fixed in (as attach by colloid or by the locking part locking) second surface 164 of this extension 162, this light-emitting component 152 is arranged at incidence surface 141 1 sides of this LGP 14 by this first opening 165 simultaneously, and the light-emitting area 155 of this light-emitting component 152 is over against the incidence surface 141 of this LGP 14.
When needing to change light source, apply first external force or dismounting locking part so that this matrix 151 breaks away from this extension 162, further applying external force takes out this matrix 151 again from this second opening 173, and then this light-emitting component 152 breaks away from from this first opening 165, needs the light source 15 changed thereby take out.Further, the outer peripheral areas of replacing the matrix 151 of light source 15 is fixed in the second surface 164 of (as by the colloid attaching or by the locking part locking) this extension 162 by these the second opening 173 correspondences, this light-emitting component 152 is arranged at incidence surface 141 1 sides of this LGP 14 by this first opening 165 simultaneously, and the light-emitting area 155 of this light-emitting component 152 can be finished the replacing of this light source 15 over against the incidence surface 141 of this LGP 14.
Compared with prior art, when backlight module 12 of the present invention and liquid crystal indicator 10 need to change light source 15, the first opening 165 of the second opening 173 that can be by this backboard 171 and the extension 162 of this reflector plate 16 takes out this light source 15 and will replace light source 15 and pack into, and need not to dismantle whole backlight module 12 or liquid crystal indicator 10, therefore light source 15 exchonge steps of backlight module 12 of the present invention and liquid crystal indicator 10 are simple, convenient.
See also Fig. 4, it is the generalized section of liquid crystal indicator 20 second embodiments of the present invention.The difference of the liquid crystal indicator 20 of second embodiment of the invention and the liquid crystal indicator 10 of the first embodiment mainly is: fixedly the matrix 251 of light-emitting component 252 is the printed circuit board (PCB) of printed on both sides, and this printed circuit board (PCB) also is used for driving this display panels 21 and carries out picture disply.Particularly, first surface 253 1 sides of this matrix 251 are printed with the conducting wire that is electrically connected this light-emitting component 252, be used for transmission of electric signals to this light-emitting component 252, the second surface 254 of this matrix 251 is printed with driver circuit and is provided with driving element 29(as driving chip, the electronic component such as resistance and electric capacity), this driving element 29 carries out picture disply for driving this display panels 21.
Compare with the first embodiment, this liquid crystal indicator 20 is arranged at this light-emitting component 252 on the printed circuit board (PCB) that drives this display panels 11, and light source and printed circuit board (PCB) are integrated, and then reduces element, ease of assembly.
Claims (10)
1. backlight module, it comprises light source, LGP, reflector plate and framework, this framework comprises backboard and sidewall, this reflector plate and this LGP sequentially are arranged on this backboard, this light source is arranged at incidence surface one side of this LGP, this light source comprises matrix and is fixed in light-emitting component on this matrix, it is characterized in that: this reflector plate comprises the main part that is sandwiched between this LGP and this backboard and the extension that extends to this light source place one side, this extension comprises the first opening that should light-emitting component, this backboard comprises the second opening to position that should extension, this light-emitting component passes incidence surface one side that this first opening is arranged at this LGP, and this matrix is fixed on this extension and expose from the side that this backboard deviates from this LGP by this second opening.
2. backlight module as claimed in claim 1, it is characterized in that: this matrix is attached on this extension by colloid.
3. backlight module as claimed in claim 2 is characterized in that: the first surface that is fixed with this light-emitting component of this matrix comprises the outer peripheral areas that is positioned at around this light-emitting component, and this outer peripheral areas is attached at this extension by colloid.
4. backlight module as claimed in claim 3, it is characterized in that: this matrix is printed circuit board (PCB), this printed circuit board (PCB) also is used for driving this display panels and carries out picture disply.
5. backlight module as claimed in claim 4, it is characterized in that: this matrix also comprises the second surface that arranges dorsad with this first surface, is provided with on this second surface for the driving element that drives this display panels and carry out picture disply.
6. backlight module as claimed in claim 1, it is characterized in that: this matrix is locked on this extension by locking part.
7. liquid crystal indicator, it comprises that a display panels and provides the backlight module of planar light for this display panels, this backlight module comprises light source, LGP, reflector plate and framework, this framework comprises backboard and sidewall, this reflector plate and this LGP sequentially are arranged on this backboard, this light source is arranged at incidence surface one side of this LGP, this light source comprises matrix and is fixed in light-emitting component on this matrix, it is characterized in that: this reflector plate comprises the main part that is sandwiched between this LGP and this backboard and the extension that extends to this light source place one side, this extension comprises the first opening that should light-emitting component, this backboard comprises the second opening to position that should extension, this light-emitting component passes incidence surface one side that this first opening is arranged at this LGP, and this matrix is fixed on this extension, and exposes from the side that this backboard deviates from LGP by this second opening.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: the first surface that is fixed with this light-emitting component of this matrix comprises the outer peripheral areas that is positioned at around this light-emitting component, and this outer peripheral areas is attached at this extension by colloid.
9. liquid crystal indicator as claimed in claim 8, it is characterized in that: this matrix is printed circuit board (PCB), this printed circuit board (PCB) also is used for driving this display panels and carries out picture disply.
10. liquid crystal indicator as claimed in claim 9, it is characterized in that: this matrix also comprises the second surface that arranges dorsad with this first surface, is provided with on this second surface for the driving element that drives this display panels and carry out picture disply.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210095529 CN103363387A (en) | 2012-04-02 | 2012-04-02 | Backlight module and liquid crystal display device |
| TW101147812A TW201348818A (en) | 2012-04-02 | 2012-12-17 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210095529 CN103363387A (en) | 2012-04-02 | 2012-04-02 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103363387A true CN103363387A (en) | 2013-10-23 |
Family
ID=49365345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210095529 Pending CN103363387A (en) | 2012-04-02 | 2012-04-02 | Backlight module and liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103363387A (en) |
| TW (1) | TW201348818A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196400A (en) * | 2018-02-01 | 2018-06-22 | 广东欧珀移动通信有限公司 | Backlight module, display device and electronic equipment |
| CN110095905A (en) * | 2019-05-29 | 2019-08-06 | 京东方科技集团股份有限公司 | A kind of installing frame, backlight module, display module and display device |
| CN110221478A (en) * | 2019-06-25 | 2019-09-10 | 武汉华星光电技术有限公司 | A kind of backlight module and preparation method thereof, display device |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
-
2012
- 2012-04-02 CN CN 201210095529 patent/CN103363387A/en active Pending
- 2012-12-17 TW TW101147812A patent/TW201348818A/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196400A (en) * | 2018-02-01 | 2018-06-22 | 广东欧珀移动通信有限公司 | Backlight module, display device and electronic equipment |
| CN110095905A (en) * | 2019-05-29 | 2019-08-06 | 京东方科技集团股份有限公司 | A kind of installing frame, backlight module, display module and display device |
| CN110095905B (en) * | 2019-05-29 | 2021-12-03 | 京东方科技集团股份有限公司 | Installing frame, backlight module, display module and display device |
| CN110221478A (en) * | 2019-06-25 | 2019-09-10 | 武汉华星光电技术有限公司 | A kind of backlight module and preparation method thereof, display device |
| WO2020258474A1 (en) * | 2019-06-25 | 2020-12-30 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method therefor, and display device |
| US11256119B2 (en) | 2019-06-25 | 2022-02-22 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module, method of manufacturing same, and display device |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201348818A (en) | 2013-12-01 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131023 |