CN202371565U - Backlight module and liquid crystal display device comprising same - Google Patents
Backlight module and liquid crystal display device comprising same Download PDFInfo
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- CN202371565U CN202371565U CN2011204339223U CN201120433922U CN202371565U CN 202371565 U CN202371565 U CN 202371565U CN 2011204339223 U CN2011204339223 U CN 2011204339223U CN 201120433922 U CN201120433922 U CN 201120433922U CN 202371565 U CN202371565 U CN 202371565U
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- backlight module
- circuit board
- reflector plate
- module according
- liquid crystal
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Abstract
The utility model relates to a backlight module and a liquid crystal display device comprising the same. The backlight module comprises a light guide plate, a light-emitting unit, a reflective sheet, a combining piece and a first adhesion piece, wherein the light guide plate comprises a first end part, a second end part opposite to the first end part and a bottom surface; the bottom surface is adjacent to the first end part and the second end part; the light-emitting unit is positioned on the first end part and comprises a circuit board and at least one light-emitting component which is arranged on the circuit board; the reflective sheet is adjacent to the bottom surface, is extended from the second end part to the first end part and is pressed against the circuit board; the combining piece is combined with the circuit board and the reflective sheet; and the first adhesion piece is arranged on the second end part and is combined with the bottom surface and the reflective sheet. The liquid crystal display device comprises the backlight module and a liquid crystal display layer, wherein the liquid crystal display layer is arranged above the backlight module.
Description
Technical field
The utility model relates to a kind of backlight module, relates in particular to the structure of this backlight module and comprises the liquid crystal indicator of this backlight module.
Background technology
Cooperate and to consult first figure, be the cutaway view of the backlight module of prior art.This backlight module 50 comprises a LGP 52, a circuit board 54, a luminescence component 56, a reflector plate 58 and at least one glue material 60; This LGP 52 comprises an incidence surface 522; This luminescence component 56 is arranged on this circuit board 54 and emits beam towards this incidence surface 522, and preferably, those luminescence components 56 are arranged on this circuit board 54 through the welding processing procedure; This reflector plate 58 is adjacent to one of this LGP 52 basal surface 524, and wherein this basal surface 524 is adjacent to this incidence surface 522.This glue material 60 is arranged between this LGP 52 and this circuit board 54, this reflector plate 58; In order to combine this LGP 52, this circuit board 54 and this reflector plate 58; Thus, can avoid this LGP 52, this circuit board 54 and this reflector plate 58 to come off and cause the situation that this backlight module 5 can't normal operation to produce.
Yet; This glue material 60 in conjunction with this LGP 52, this circuit board 54 and this reflector plate 58 is to absorb the part light that this luminescence component 56 sends; Cause the consume of light energy; And, if when this backlight module 50 needs rework, cause these luminescence component 56 damages that are arranged on this circuit board 54 easily.
Summary of the invention
The utility model technical issues that need to address have provided a kind of backlight module, are intended to solve the above problems.
The utility model also provides the liquid crystal indicator that comprises above-mentioned backlight module.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:
The backlight module of the utility model comprises: a LGP; This LGP comprises a first end, a second end and a basal surface in contrast to this first end, and this basal surface is in abutting connection with this first end and this second end; One luminescence unit; This luminescence unit is positioned at this first end, and this luminescence unit comprises a circuit board and at least one luminescence component that is arranged at this circuit board; One reflector plate; This reflector plate is adjacent to this basal surface, and this reflector plate is extended and is connected to this circuit board towards this first end by this second end; One conjunction; This conjunction combines this circuit board and this reflector plate; And one first stick together part; This first sticks together part setting this second end and combine this basal surface and this reflector plate again.
The liquid crystal indicator of the utility model comprises: an above-mentioned backlight module and a liquid crystal display layer; This liquid crystal display layer setting is this backlight module top again.
Compared with prior art; The beneficial effect of the utility model is: not only can combine this luminescence unit, this LGP and this reflector plate effectively; And can avoid this conjunction to absorb the part light that this luminescence component sends and cause the phenomenon of light consume to produce, luminescence component damages during heavy industry, and luminescence component and the LGP contraposition is not good and light inlet generation is inhomogeneous, the glue material is pasted the problem that strength influences outgoing light homogeneity.
Description of drawings
Fig. 1 is the partial sectional view of the backlight module of prior art.
Fig. 2 is the vertical view of the backlight module of the utility model first embodiment.
Fig. 3 A is the cutaway view of the backlight module of the utility model first embodiment.
Fig. 3 B is Fig. 3 A A place enlarged drawing.
Fig. 3 C is Fig. 3 A B place enlarged drawing.
Fig. 4 is the partial sectional view of the backlight module of the utility model second embodiment.
Fig. 5 A is the cutaway view of the backlight module of the utility model the 3rd embodiment.
Fig. 5 B is Fig. 5 A A place enlarged drawing.
Fig. 6 is the cutaway view of the liquid crystal indicator of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
One of the utility model purpose; Be to provide a kind of backlight module; This backlight module can avoid light inlet light consume phenomenon to produce effectively and when avoiding heavy industry luminescence component damage and luminescence component and the LGP contraposition is not good and light inlet generation is inhomogeneous, the glue material is pasted the problem that strength influences outgoing light homogeneity.
Another purpose of the utility model; Be to provide a kind of liquid crystal indicator with above-mentioned backlight module; This liquid crystal indicator can avoid light inlet light consume phenomenon to produce effectively and when avoiding the backlight module heavy industry luminescence component damage and luminescence component and the LGP contraposition is not good and light inlet generation is inhomogeneous, the glue material is pasted the problem that strength influences outgoing light homogeneity.
For reaching above-mentioned purpose; The utility model provides a kind of backlight module; This backlight module comprises a LGP, a luminescence unit, a reflector plate, a conjunction and one first and sticks together part; This LGP comprises a first end, a second end and a basal surface in contrast to this first end, and this basal surface is in abutting connection with this first end and this second end; This luminescence unit is positioned at this first end, and this luminescence unit comprises a circuit board and at least one luminescence component that is arranged at this circuit board; This reflector plate is adjacent to this basal surface, and this reflector plate is extended and is connected to this circuit board towards this first end by this second end; This conjunction combines this circuit board and this reflector plate; This first sticks together part and is arranged at this second end and combines this basal surface and this reflector plate.
According to a specific embodiment of the utility model, wherein this reflector plate is to be connected to this circuit board through this conjunction.
According to a specific embodiment of the utility model, wherein this conjunction is arranged on this circuit board and this reflector plate below.
According to a specific embodiment of the utility model, wherein this first end comprises an incidence surface, and this luminescence component is positioned at this incidence surface, and this second end comprises a rear end face, and this basal surface is in abutting connection with this incidence surface and this rear end face.
According to a specific embodiment of the utility model, wherein this conjunction is single face glue, double faced adhesive tape or glue.
According to a specific embodiment of the utility model, wherein this luminescence component is that lateral type light emitting diode or face are penetrated the formula light emitting diode.
According to a specific embodiment of the utility model, wherein this circuit board is a flexible circuit board.
According to a specific embodiment of the utility model, wherein this LGP comprises a visible area and an invisible range adjacent to this visible area, and this first sticks together part and be arranged at this invisible range.
According to a specific embodiment of the utility model, this backlight module more comprises a supporting seat, and this reflector plate system is arranged on this supporting seat.
According to a specific embodiment of the utility model, this backlight module more comprises one second and sticks together part, is arranged at this second end and combines this reflector plate and this supporting seat.
According to a specific embodiment of the utility model, wherein this second sticks together part and roughly is aligned in this and first sticks together the part setting.
According to a specific embodiment of the utility model, this backlight module more comprises at least one blooming, is arranged at this LGP top.
The utility model more provides a kind of liquid crystal indicator, and this liquid crystal indicator comprises just like an above-mentioned backlight module and a liquid crystal display layer, and this liquid crystal display layer is arranged at this backlight module top.This conjunction of the backlight module of the utility model binds should this circuit board of luminescence unit and this reflection
Cooperate and to consult second figure and Fig. 3 A, Fig. 3 B, Fig. 3 C; Second figure is the vertical view of the backlight module of the utility model first embodiment; Fig. 3 A is the cutaway view of the backlight module of the utility model first embodiment, and Fig. 3 B is Fig. 3 A A place enlarged drawing, and Fig. 3 C is Fig. 3 A B place enlarged drawing.This backlight module 10 comprises a LGP 12, a luminescence unit 14, a reflector plate 16, a conjunction 18 and one first sticks together part 20.
This LGP 12 is roughly rectangular and have a first end 120, a second end 122 and a basal surface 124, and this second end 122 is in contrast to this first end 120, and this basal surface 124 is in abutting connection with this first end 120 and this second end 122.This first end 120 comprises an incidence surface 121, and this second end 122 comprises a rear end face 123, and this basal surface 124 is in abutting connection with this incidence surface 121 and this rear end face 123.
This LGP 12 more comprises a visible area 126 and a non-visible area 128; This non-visible area 128 is adjacent to this visible area 126; This basal surface 124 is in to should visible area 126 places being provided with the leaded light micro-structural 127 of plural number; But, for example also can leaded light micro-structural 127 be set in exiting surface 125 not as limit; And the density that is provided with of those leaded light micro-structurals 127 is to be directly proportional with its distance apart from light source, that is far away apart from light source, and leaded light micro-structural 127 density are closeer.Perhaps, far away apart from light source, leaded light micro-structural 127 degree of depth are darker.These leaded light micro-structurals 127 can be for seeing through etching, the radium-shine or various densitys of CNC makings, lenticule (micro lens) structure not of uniform size, perhaps for through the various densitys of net-point printing formation, light guide ink not of uniform size.Light by these incidence surface 121 incidents; Via those leaded light micro-structural 127 guiding; Light is reflected in these LGP 12 inside and reflect; By 125 bright dippings of one of this LGP 12 exiting surface, wherein this exiting surface 125 is in contrast to this basal surface 124 and in abutting connection with this incidence surface 121 and this rear end face 123 again.This LGP 12 is to use light-transmitting materials, as: polymethyl methacrylate (PMMA), synthetic resin, propylene (acryl), Merlon (PC), polyester (PET), polyolefin (Polyolefines) or glass.
This luminescence unit 14 is positioned at this first end 120; This luminescence unit 14 comprises a circuit board 140 and at least one luminescence component 142; This circuit board 140 is pre-formed the wiring (figure does not show) and the weld pad (figure does not show) of plural number, and wherein, this circuit board 140 can be printed circuit board (PCB) (printed circuit board; PCB) or flexible circuit board (flexible printed circuit board, FPC).This luminescence component 142 is arranged at this circuit board 140 and is electrically connected this circuit board 140, and preferably, this luminescence component 142 is arranged at this circuit board 140 and forms electric connection with this circuit board 140 through the welding processing procedure; These luminescence component 142 settings are adjacent to this incidence surface 121 and emit beam towards this incidence surface 121; This luminescence component 142 preferably is a light emitting diode; And can penetrate the formula light emitting diode for lateral type light emitting diode or face; In the present embodiment, this luminescence component 142 is the example explanation with the lateral type light emitting diode, and the light-emitting area of lateral type light emitting diode system is in the face of this incidence surface 121.The quantity of this luminescence component 142 can be for one or more, and in the present embodiment, this luminescence component 142 is the example explanation with ten.
This reflector plate 16 is adjacent to this basal surface 124 of this LGP 12; This reflector plate 16 can for example be sheet metal or mylar film (PET) or other plastic sheet that is coated with the sizing material of resin material; And can be white in color or silver color etc. has the color of preferable reflecting effect; Implement in reality, can adjust the color of reflector plate 16 according to actual demand or restriction.This reflector plate 16 is to be connected to this circuit board 140 through this conjunction 18, and this conjunction 18 combines this reflector plate 16 and this circuit board 140.Thus, can avoid this reflector plate 16 and this circuit board 140 to come off, and when re-assemblying, cause this luminescence component to damage 142 because of stressed extruding.The also contraposition exactly of this luminescence component 142 and this LGP 12 makes light can get into LGP 12 equably; Moreover, can avoid this conjunction 18 to absorb light and produce the light consume, and the strength of pasting of conjunction 18 cause the uneven situation of bright dipping to produce.This conjunction 18 can be double faced adhesive tape, glue or single face glue, and preferably is transparence, and wherein single face glue combines this circuit board 140 and this reflector plate 16 discriminably, combines two above-mentioned single face glue through glue or double faced adhesive tape more afterwards.
This first sticks together part 20 and is arranged at this second end 122 and combines this LGP 12 and this reflector plate 16; And preferably; This first sticks together part 20 and is arranged at this non-visible area 128, first sticks together the light that part 20 absorbs through this LGP 12 and causes this backlight module 10 to produce light consume in order to reduce this; This first sticks together part 20 and preferably can be double faced adhesive tape or glue, and this first stick together part 20 width preferably be 1-2 millimeter (millimeter).
This backlight module 10 more comprises a supporting seat 22, and this supporting seat 22 preferably is a metal material, and like aluminium alloy or iron, this supporting seat 22 is arranged at this reflector plate 16 belows, in order to support this LGP 12, this luminescence unit 14 and this reflector plate 16.Consult the 3rd figure again; More can comprise one second between this supporting seat 22 and this reflector plate 16 and stick together part 24; This second sticks together part 24 and is arranged at this second end 122 and combines this supporting seat 22 and this reflector plate 16, and this second stick together part 24 the position that is provided with align roughly that this first sticks together part 20.
This backlight module 10 more can comprise at least one blooming 26, is arranged at this exiting surface 125 of this LGP 12, in order to promote the optical characteristics such as briliancy of this backlight module 10.This blooming 26 can for example be a diffusion barrier; In order to diffusion light; Perhaps this blooming 26 can be bright enhancement film, in order to the bright dipping of light-ray condensing ground, makes light be converged in user's view direction (that is positive visual angle optically focused); Perhaps this blooming 26 can be composite optical film, and the function of light diffusion and optically focused can be provided simultaneously.In addition; The quantity of this blooming 26 can be for one or more, and in the present embodiment, the quantity of this blooming 26 is example with four; And preferably from top to bottom be a brightness enhancement film (Brightness Enhancement Film in regular turn; BEF), (Dual Brightness Enhancement Film DBEF), a diffusion sheet (Diffuser) and a diffuser plate (Diffuser Plate), uses the briliancy that promotes this backlight module and reaches light-focusing function a reflecting type polarizing brightness enhancement film.
Cooperate and to consult the 4th figure, be the cutaway view of the backlight module of the utility model second embodiment.This backlight module is roughly similar with above-mentioned first embodiment, and difference is that its luminescence component 142 penetrates the formula light emitting diode for face, and is provided with and is adjacent to this incidence surface 121.For avoiding light consume, the periphery of one of this supporting seat 22 side forms a kink 222, in order to holding this luminescence component 142, and reflects the light that this luminescence component 142 sends, and makes light get into this LGP 12.
Cooperate and consult Fig. 5 A, Fig. 5 B, Fig. 5 A is the cutaway view of the backlight module of the utility model the 3rd embodiment, and Fig. 5 B is Fig. 5 A A place enlarged drawing.The backlight module 10a of present embodiment is roughly identical with above-mentioned first embodiment; Its difference is that its conjunction 18a is arranged at the below of this circuit board 140 and this reflector plate 16 and combines this circuit board 140 and this reflector plate 16; And preferably, this conjunction 18a is a single face glue, can avoid this circuit board 140 and this reflector plate 16 because of receiving external force extruding and come off and then causing this backlight module 10a can't normal operation thus; And when re-assemblying, cause this luminescence component to damage 142.The also contraposition exactly of this luminescence component 142 and this LGP 12 makes light can get into LGP 12 equably; Moreover, can avoid this conjunction 18a to absorb light and produce light consuming, and the strength of pasting of conjunction 18a causes the uneven situation of bright dipping to produce.Certainly, above-mentioned backlight module 10a also can be backlight module 10, not as limit.
Cooperate and to consult the 6th figure, be the cutaway view of the liquid crystal indicator of the utility model.This liquid crystal indicator 1 comprises above-mentioned backlight module 10, a liquid crystal display layer 30 and a framework 32, and this framework 32 for example is a glue frame.This framework 32 has a flange part 322, and this LGP 12 that this framework 32 combines with this supporting seat 22 and this flange part 322 presses this backlight module 10 makes firm this backlight module 10.This liquid crystal display layer 30 is provided with the backlight module top, and preferably, this liquid crystal display layer 30 is arranged at this flange part 322 tops, in order to display frame.This backlight module 10 required light source when these liquid crystal display layer 30 display frames to be provided; This conjunction 18 of this backlight module 10 is to combine this circuit board 140 and this reflector plate 16; Thereby fastening this circuit board 140 and this reflector plate 16, and when re-assemblying, cause this luminescence component to damage 142.The also contraposition exactly of this luminescence component 142 and this LGP 12 makes light can get into LGP 12 equably; Moreover, can avoid this conjunction 18 to absorb light and produce the light consume, and the strength of pasting of conjunction 18 cause the uneven situation of bright dipping to produce.Certainly, above-mentioned backlight module 10 also can be backlight module 10a, not as limit.
In sum; This conjunction 18 of the backlight module 10 of the utility model, 10a, 18a are this circuit board 140 and this reflecting elements 16 that combines this luminescence unit; This first sticks together part 20 and is arranged at this second end 122 and combines this LGP 12 and this reflector plate 16; Thus; Not only can combine this LGP 12, this luminescence unit 14 and this reflector plate 16 effectively, and can avoid this conjunction 18,18a to absorb the light that this luminescence component 142 sends and cause the phenomenon of light consume to produce, luminescence component damages during heavy industry, and luminescence component and the LGP contraposition is not good and light inlet generation is inhomogeneous, the glue material is pasted the problem that strength influences outgoing light homogeneity.
The above; Be merely the preferred embodiment of the utility model; When the scope that can not limit the utility model enforcement, promptly all equalizations of doing according to the utility model claim change and modify etc., all should still belong in the protection domain that claim contained of the utility model.
Claims (13)
1. a backlight module comprises: a LGP; It is characterized in that: this LGP comprises a first end, a second end and a basal surface in contrast to this first end, and this basal surface is in abutting connection with this first end and this second end; One luminescence unit; This luminescence unit is positioned at this first end, and this luminescence unit comprises a circuit board and at least one luminescence component that is arranged at this circuit board; One reflector plate; This reflector plate is adjacent to this basal surface, and this reflector plate is extended and is connected to this circuit board towards this first end by this second end; One conjunction; This conjunction combines this circuit board and this reflector plate; And one first stick together part; This first sticks together part setting this second end and combine this basal surface and this reflector plate again.
2. backlight module according to claim 1 is characterized in that: this reflector plate is to be connected to this circuit board through this conjunction.
3. backlight module according to claim 1 is characterized in that: this conjunction is arranged on this circuit board and this reflector plate below.
4. backlight module according to claim 1 is characterized in that: this first end comprises an incidence surface, and this luminescence component is positioned at this incidence surface, and this second end comprises a rear end face, and this basal surface is in abutting connection with this incidence surface and this rear end face.
5. backlight module according to claim 1 is characterized in that: this conjunction is single face glue, double faced adhesive tape or glue.
6. backlight module according to claim 1 is characterized in that: this luminescence component is that lateral type light emitting diode or face are penetrated the formula light emitting diode.
7. backlight module according to claim 1 is characterized in that: this circuit board is a flexible circuit board.
8. backlight module according to claim 1 is characterized in that: this LGP comprises a visible area and a non-visible area adjacent to this visible area, and this first sticks together part and be arranged at this non-visible area.
9. backlight module according to claim 1 is characterized in that also comprising: a supporting seat, this reflector plate is arranged on this supporting seat.
10. backlight module according to claim 9 is characterized in that also comprising: one second sticks together part; This second sticks together part setting this second end and combine this reflector plate and this supporting seat again.
11. backlight module according to claim 10 is characterized in that: this second sticks together part and roughly is aligned in this and first sticks together the part setting.
12. backlight module according to claim 1 is characterized in that also comprising: at least one blooming; This blooming is arranged on this LGP top.
13. a liquid crystal indicator is characterized in that: this liquid crystal indicator comprises:
Just like claim 1 to 12 each described backlight module; An and liquid crystal display layer; This liquid crystal display layer is arranged on this backlight module top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204339223U CN202371565U (en) | 2011-11-04 | 2011-11-04 | Backlight module and liquid crystal display device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204339223U CN202371565U (en) | 2011-11-04 | 2011-11-04 | Backlight module and liquid crystal display device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371565U true CN202371565U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204339223U Expired - Fee Related CN202371565U (en) | 2011-11-04 | 2011-11-04 | Backlight module and liquid crystal display device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104865A (en) * | 2012-10-09 | 2013-05-15 | 友达光电股份有限公司 | Backlight module with reflecting layer and display device thereof |
-
2011
- 2011-11-04 CN CN2011204339223U patent/CN202371565U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104865A (en) * | 2012-10-09 | 2013-05-15 | 友达光电股份有限公司 | Backlight module with reflecting layer and display device thereof |
| CN103104865B (en) * | 2012-10-09 | 2015-05-06 | 友达光电股份有限公司 | Backlight module with reflecting layer and display device thereof |
| TWI485478B (en) * | 2012-10-09 | 2015-05-21 | Au Optronics Corp | Backlight module having reflective layer and display apparatus thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161104 |