CN104913240A - Backlight module and liquid crystal displayer - Google Patents
Backlight module and liquid crystal displayer Download PDFInfo
- Publication number
- CN104913240A CN104913240A CN201510217324.5A CN201510217324A CN104913240A CN 104913240 A CN104913240 A CN 104913240A CN 201510217324 A CN201510217324 A CN 201510217324A CN 104913240 A CN104913240 A CN 104913240A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- kink
- planar portions
- plate
- light guide
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer 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 discloses a backlight module. The backlight module comprises a light guiding plate (220) and an optical membrane (230), wherein the optical membrane (230) comprises a planar part (231), a first bent part (232) and a second bent part (233), the first bent part (232) and the second bent part (233) are located on the two sides of the planar part (231), the planar part (231) is arranged on the top surface of the light guiding plate (220), the first bent part (232) is attached to a first side face (221) of the light guiding plate (220), and the second bent part (233) is attached to a second side face (222), opposite to the first side face (221), of the light guiding plate (220). According to the backlight module, a rubber frame for fixing the optical membrane adopted in the prior art is omitted, the optical membrane is fixed ingeniously by changing the structure of the optical membrane, the thickness of the optical membrane is far smaller than that of the rubber frame, and the frame width of the backlight module can be reduced obviously.
Description
Technical field
The invention belongs to technical field of liquid crystal display, specifically, relate to a kind of backlight module and there is the liquid crystal display of this backlight module.
Background technology
At present, increasing market pursues the narrow frame of portable product, and such as present mobile phone, panel computer etc. need the frame of the equipment of liquid crystal display to do narrower and narrower, and therefore the frame of liquid crystal display also needs to do narrower and narrower.In whole liquid crystal display, whether the frame of backlight module can realize narrow frame determines liquid crystal display and whether can realize narrow frame.
In the prior art, in order to make backlight module reach narrow frame, general method is that the width by reducing glue frame realizes.But there is two problems in this method: 1, the width of glue frame reduces limitation, cannot significantly make the frame of backlight module narrow; 2, after the width of glue frame reduces, glue frame attaches two-sided tape and becomes more difficult, such as, occur the situations such as two-sided tape bends, float, thus cause the attaching of blooming piece and liquid crystal panel in poor shape.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of backlight module, it comprises light guide plate and blooming piece, described blooming piece comprises planar portions, the first kink extended to form by described planar portions first side and the second kink extended to form by second side relative with described first side of described planar portions, described planar portions is arranged on the end face of described light guide plate, described first kink fits on the first side of described light guide plate, described second kink fits on second side relative with described first side of described light guide plate.
Further, described blooming piece also comprises the first extension extended to form by the 3rd side adjacent with described first side of described planar portions.
Further, described blooming piece also comprises the second extension extended to form by the 4th side relative with described 3rd side of described planar portions.
Further, on the fringe region be connected with described first kink of described planar portions and on the fringe region be connected with described second kink of described planar portions, all shading glue is set.
Further, on the fringe region be connected with described first kink of described planar portions, on the fringe region be connected with described second kink of described planar portions and described first extension all arranges shading glue.
Further, on the fringe region be connected with described first kink of described planar portions, on the fringe region be connected with described second kink of described planar portions, on described first extension and on described second extension, all shading glue is set.
Further, described backlight module also comprises back of the body frame and reflector plate, and described reflector plate is arranged among described back of the body frame, and described light guide plate is arranged on described reflector plate.
Further, described back of the body frame comprises base plate and lays respectively at the first side plate and second side plate of described base plate both sides, described light guide plate is arranged on described base plate, described reflector plate is arranged between described light guide plate and described base plate, described first kink fits in described first side plate, and described second kink fits in described second side plate.
Further, described backlight module does not comprise glue frame.
Another object of the present invention is also to provide a kind of liquid crystal display, and comprise the above-mentioned backlight module and liquid crystal panel that are oppositely arranged, above-mentioned backlight module provides display light source to described liquid crystal panel.
Beneficial effect of the present invention: backlight module of the present invention does not use the glue frame of fixed optics diaphragm in prior art, but the structure cleverly by changing blooming piece realizes the object of fixed optics diaphragm, and the thickness of blooming piece is much smaller than the thickness of glue frame, can the border width of constriction backlight module significantly.In addition, backlight module of the present invention arranges shading glue by the fringe region of the planar portions at blooming piece, is adhesively fixed while covering the light leaked out to liquid crystal panel, the situations such as the two-sided tape that prior art can be avoided to occur bends, float.
Accompanying drawing explanation
The following description carried out in conjunction with the drawings, the above-mentioned and other side of embodiments of the invention, feature and advantage will become clearly, in accompanying drawing:
Fig. 1 is the schematic side view of liquid crystal display according to an embodiment of the invention;
Fig. 2 is the schematic perspective view of the 3rd blooming piece according to an embodiment of the invention;
Fig. 3 is the three-dimensional partial schematic diagram of the 3rd blooming piece according to an embodiment of the invention.
Detailed description of the invention
Below, embodiments of the invention are described in detail with reference to the accompanying drawings.But, the present invention can be implemented in many different forms, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, provide these embodiments to be to explain principle of the present invention and practical application thereof, thus enable others skilled in the art understand various embodiment of the present invention and be suitable for the various amendments of certain expected application.In the accompanying drawings, in order to know device, exaggerate the thickness in layer and region.Identical label can be used to represent identical element in whole description with accompanying drawing.Also will be appreciated that an element or parts be called as be arranged on another element or parts " on " or " on " time, it can be set directly on this another element or parts, or also can there are intermediary element or parts.
Fig. 1 is the schematic side view of liquid crystal display according to an embodiment of the invention.Fig. 2 is the schematic perspective view of the 3rd blooming piece according to an embodiment of the invention.Fig. 3 is the three-dimensional partial schematic diagram of the 3rd blooming piece according to an embodiment of the invention.
With reference to Fig. 1, liquid crystal display comprises the liquid crystal panel 100 and backlight module 200 that are oppositely arranged according to an embodiment of the invention, and wherein, backlight module 200 provides display light source to liquid crystal panel 100, to make this liquid crystal panel 100 show image.In the present embodiment, because invention main points of the present invention are for backlight module 200, so in order to avoid repeating, the concrete structure of liquid crystal panel 100 is introduced no longer in detail at this, and those skilled in the art can refer to the concrete structure of liquid crystal panel disclosed in prior art.
Below will be described in detail backlight module 200 according to an embodiment of the invention.Referring to figs. 1 through Fig. 3, backlight module 200 comprises according to an embodiment of the invention: back of the body frame (or claiming backboard) 210, light guide plate 220, blooming piece 230.
In FIG, illustrate only the base plate 211 that back of the body frame 210 comprises and the first side plate 212 and the second side plate 213 laying respectively at base plate 211 both sides.Should be understood that, back of the body frame 210 generally includes base plate 211 and lays respectively at four side plates of four sides of base plate 211.
Light guide plate 220 is arranged on the base plate 211 of back of the body frame 210.Light guide plate 220 at least comprises the first relative side 221 and the second side 222, wherein, after on the base plate 211 that light guide plate 220 is arranged at back of the body frame 210, first side 221 of light guide plate 220 is contiguous relative with the first side plate 212 of back of the body frame 210, and the second side 222 of light guide plate 220 is contiguous relative with the second side plate 213 of back of the body frame 210.
Blooming piece 230 comprises the second kink 233 that planar portions 231, the first kink 232 extended to form by planar portions 231 first side and second side relative with the first side by planar portions 231 extend to form.That is, the first kink 232 and the second kink 233 are arranged at the relative both sides of planar portions 231 respectively.
The planar portions 231 of blooming piece 230 is arranged on the end face of light guide plate 220.First kink 232 of blooming piece 230 fits on the first side 221 of light guide plate 220, and the first kink 232 of blooming piece 230 is close to the first side plate 212 of back of the body frame 210.Second kink 233 of blooming piece 230 fits on the second side 222 of light guide plate 220, and the second kink 233 of blooming piece 230 is close to the second side plate 213 of back of the body frame 210.In addition, in the present embodiment, the quantity of blooming piece 230 and effect are not specifically limited.When backlight module 200 according to an embodiment of the invention have multi-disc there is the blooming piece of difference in functionality effect time, these blooming pieces are set in turn on the end face of light guide plate 220, so only a slice blooming piece of the top need be arranged to the structure of above-mentioned blooming piece 230.
In the present embodiment, the fringe region be connected with the first kink 232 of the planar portions 231 of blooming piece 230 is arranged shading glue (with shown in black region in figure), and the fringe region be connected with the second kink 233 of the planar portions 231 of blooming piece 230 also arranges shading glue (with shown in black region in figure).Here, shading glue can also be used for the liquid crystal panel 100 that is adhesively fixed while the light-shielding leaked out by the fringe region of planar portions 231 falls.
As mentioned above, the present embodiment does not use the glue frame of fixed optics diaphragm in prior art, but the object of fixed optics diaphragm is realized cleverly by changing the structure of blooming piece, and the thickness of blooming piece is much smaller than the thickness of glue frame, can the border width of constriction backlight module significantly.In addition, shading glue is set by the fringe region of the planar portions at blooming piece, while covering the light leaked out, liquid crystal panel is adhesively fixed, the situations such as the two-sided tape that prior art can be avoided to occur bends, float.
Further, blooming piece 230 also comprises the first extension 2311 extended to form by the 3rd side adjacent with the first side of planar portions 231.In addition, the first extension 2311 also can be arranged shading glue (with shown in black region in figure).
Further, blooming piece 230 also comprises the second extension 2312 extended to form by the 4th side relative with the 3rd side of planar portions 231.In addition, the second extension 2312 also can be arranged shading glue (with shown in black region in figure).
Backlight module 200 also comprises reflector plate 240 according to an embodiment of the invention, and reflector plate 240 is placed between the base plate 211 of light guide plate 220 and back of the body frame 210, and the two ends of reflector plate 240 extend to the first side plate 212 and the second side plate 213 of back of the body frame 210 respectively.The light reflection arrived on it can return in light guide plate 220 by this reflector plate 240, thus improves the light utilization efficiency of backlight module 200.
Although illustrate and describe the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: when not departing from the spirit and scope of the present invention by claim and equivalents thereof, the various changes in form and details can be carried out at this.
Claims (10)
1. a backlight module, it is characterized in that, comprise light guide plate (220) and blooming piece (230), described blooming piece (230) comprises planar portions (231), the first kink (232) extended to form by described planar portions (231) first side and the second kink (233) extended to form by second side relative with described first side of described planar portions (231), described planar portions (231) is arranged on the end face of described light guide plate (220), described first kink (232) fits on first side (221) of described light guide plate (220), described second kink (233) fits on second side (222) relative with described first side (221) of described light guide plate (220).
2. backlight module according to claim 1, it is characterized in that, described blooming piece (230) also comprises the first extension (2311) extended to form by the 3rd side adjacent with described first side of described planar portions (231).
3. backlight module according to claim 2, it is characterized in that, described blooming piece (230) also comprises the second extension (2312) extended to form by the 4th side relative with described 3rd side of described planar portions (231).
4. backlight module according to claim 1, it is characterized in that, on the fringe region be connected with described first kink (232) of described planar portions (231) and on the fringe region be connected with described second kink (233) of described planar portions (231), all shading glue is set.
5. backlight module according to claim 2, it is characterized in that, on the fringe region be connected with described first kink (232) of described planar portions (231), on the fringe region be connected with described second kink (233) of described planar portions (231) and described first extension (2311) all arranges shading glue.
6. backlight module according to claim 3, it is characterized in that, on the fringe region be connected with described first kink (232) of described planar portions (231), on the fringe region be connected with described second kink (233) of described planar portions (231), on upper and described second extension (2312) of described first extension (2311), all shading glue is set.
7. the backlight module according to any one of claim 1 to 6, it is characterized in that, described backlight module also comprises back of the body frame (210) and reflector plate (240), described reflector plate (240) is arranged among described back of the body frame (210), and described light guide plate (220) is arranged on described reflector plate (240).
8. backlight module according to claim 7, it is characterized in that, described back of the body frame (210) comprises base plate (211) and lays respectively at the first side plate (212) and second side plate (213) of described base plate (211) both sides, described light guide plate (220) is arranged on described base plate (211), described reflector plate (240) is arranged between described light guide plate (220) and described base plate (211), described first kink (232) fits in described first side plate (212), described second kink (233) fits in described second side plate (213).
9. backlight module according to claim 8, is characterized in that, described backlight module does not comprise glue frame.
10. a liquid crystal display, comprise the backlight module (200) and liquid crystal panel (100) that are oppositely arranged, described backlight module (200) provides display light source to described liquid crystal panel (100), it is characterized in that, described backlight module (200) is the backlight module described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217324.5A CN104913240A (en) | 2015-04-29 | 2015-04-29 | Backlight module and liquid crystal displayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217324.5A CN104913240A (en) | 2015-04-29 | 2015-04-29 | Backlight module and liquid crystal displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104913240A true CN104913240A (en) | 2015-09-16 |
Family
ID=54082533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510217324.5A Pending CN104913240A (en) | 2015-04-29 | 2015-04-29 | Backlight module and liquid crystal displayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104913240A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764639A (en) * | 2015-11-19 | 2017-05-31 | 扬升照明股份有限公司 | Display device and its assemble method |
| CN107121833A (en) * | 2016-02-25 | 2017-09-01 | 瑞仪光电(苏州)有限公司 | Backlight module |
| WO2017202131A1 (en) * | 2016-05-27 | 2017-11-30 | 京东方科技集团股份有限公司 | Backlight source module and display device |
| CN110568662A (en) * | 2019-08-14 | 2019-12-13 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN111487809A (en) * | 2019-01-25 | 2020-08-04 | 南京瀚宇彩欣科技有限责任公司 | Optical stack structure and display device |
| CN114859594A (en) * | 2022-06-16 | 2022-08-05 | 上海天马微电子有限公司 | Backlight module and display device |
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| WO2014115697A1 (en) * | 2013-01-28 | 2014-07-31 | シャープ株式会社 | Lighting device, display device, and television receiving device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764639A (en) * | 2015-11-19 | 2017-05-31 | 扬升照明股份有限公司 | Display device and its assemble method |
| CN107121833A (en) * | 2016-02-25 | 2017-09-01 | 瑞仪光电(苏州)有限公司 | Backlight module |
| WO2017202131A1 (en) * | 2016-05-27 | 2017-11-30 | 京东方科技集团股份有限公司 | Backlight source module and display device |
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| CN111487809A (en) * | 2019-01-25 | 2020-08-04 | 南京瀚宇彩欣科技有限责任公司 | Optical stack structure and display device |
| CN110568662A (en) * | 2019-08-14 | 2019-12-13 | 武汉华星光电技术有限公司 | Backlight module and display panel |
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| CN114859594A (en) * | 2022-06-16 | 2022-08-05 | 上海天马微电子有限公司 | Backlight module and display device |
| CN114859594B (en) * | 2022-06-16 | 2024-05-14 | 上海天马微电子有限公司 | Backlight module and display device |
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Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |