CN104048217A - Direct-type backlight module and liquid crystal display device - Google Patents
Direct-type backlight module and liquid crystal display device Download PDFInfo
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- CN104048217A CN104048217A CN201410289543.XA CN201410289543A CN104048217A CN 104048217 A CN104048217 A CN 104048217A CN 201410289543 A CN201410289543 A CN 201410289543A CN 104048217 A CN104048217 A CN 104048217A
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- Prior art keywords
- installation base
- mode set
- down straight
- aphototropism mode
- straight aphototropism
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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
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- 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)
- Liquid Crystal (AREA)
Abstract
The invention discloses a direct-type backlight module which comprises a back plate (310) and a plurality of backlight sources (320) installed inside the back plate (310). The back plate (310) comprises a plurality of installation substrates (311), a first side plate (312) and a second side plate (313). One side end of each installation substrate (311) and the bottom of the first side plate (312) respectively comprise an elastic plug (3111), the other side end of each installation substrate (311) and the bottom of the second side plate (313) respectively comprise a jack (3112), and the elastic plugs (3111) and the jacks (3112) are detachably plugged, so that the installation substrates (311) are detachably plugged between the bottom of the first side plate (312) and the bottom of the second side plate (313), and the backlight sources (320) are installed on the installation substrates (311). According to the direct-type backlight module, when one backlight source needs to be maintained or replaced, only the installation substrate corresponding to the backlight source needs to be disassembled to achieve the operation, the operation is easy and convenient, and production efficiency is improved, and the cost is reduced.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly, relate to a kind of down straight aphototropism mode set and liquid crystal indicator.
Background technology
Along with the evolution of photoelectricity and semiconductor technology, also driven the flourish of flat-panel monitor (Flat Panel Display), and in many flat-panel monitors, liquid crystal indicator (Liquid Crystal Display, be called for short LCD) because thering is many advantageous characteristic such as high spatial utilization ratio, low consumpting power, radiationless and low electromagnetic interference, become the main flow in market.
Liquid crystal indicator generally includes display panels (Liquid Crystal Panel) and backlight module (Black Light Module is called for short BL).Because display panels itself does not have self luminous characteristic, therefore backlight module must be configured in to display panels below, to provide display panels required area source, if the area source that display panels provides by backlight module and show image.
Backlight module is divided into two kinds of side entrance back module and down straight aphototropism mode set according to the difference of light source incoming position.Wherein, down straight aphototropism mode set by light source (is for example, cathode fluorescent tube (Cold Cathode Fluorescent Lamp, be called for short CCFL) or light emitting diode (Light Emitting Diode, be called for short LED)) be arranged on the rear of display panels, directly forming surface light source offers liquid crystal panel.
Fig. 1 is the cross-sectional schematic of the down straight aphototropism mode set of prior art.Fig. 2 is the schematic top plan view of backlight and the backboard of prior art.Please refer to Fig. 1 and Fig. 2, the down straight aphototropism mode set of prior art comprises: backboard 110, be installed in backboard 110 and be fixed on the electric insulation layer 120 on the base plate 111 of backboard 110, be fixedly installed on the multiple power supply pedestals 130 on electric insulation layer 120, the multiple light sources (for example LED) 140 that are electrically connected with multiple power supply pedestals 130 respectively, be fixedly installed on backboard 110 and be positioned at the diffuser plate 160 of light source 140 tops, wherein, conductor wire 150 is arranged among electric insulation layer 120, and provide power supply for each power supply pedestal, thereby for each light source 140 provides power supply.But, while occurring that in the down straight aphototropism mode set of prior art the bad grade of light source 140 is abnormal, need to change light source 140, at this moment display panels and backlight module must be split and just can change light source 140, when increasing production cost, increase time cost, be unfavorable for enhancing productivity and reducing costs.
Summary of the invention
The problem existing in order to solve above-mentioned prior art, the object of the present invention is to provide a kind of down straight aphototropism mode set, comprise: backboard and be installed on the multiple backlights in described backboard, wherein, described backboard comprises multiple installation base plates, the first side plate and the second side plate, one side of described installation base plate and the bottom of described the first side plate include elastic plug, another side of described installation base plate and the bottom of described the second side plate include jack, wherein, described elastic plug and described jack are removably pegged graft, so that multiple installation base plates are removably plugged between the bottom of described the first side plate and the bottom of described the second side plate, described backlight is installed on described installation base plate.
Further, a part for the elastic plug of a side of described installation base plate is fixed among a side of described installation base plate, and another part of the elastic plug of a side of described installation base plate exposes, and the shape of its shape and described jack matches; A part for the elastic plug of the bottom of described the first side plate is fixed among the bottom of described the first side plate, and another part of the elastic plug of the bottom of described the first side plate exposes, and the shape of its shape and described jack matches.
Further, described backlight comprises power supply pedestal and is arranged on power supply pedestal and the light source being electrically connected with described power supply pedestal.
Further, in described installation base plate, be equipped with conductor wire, wherein, described conductor wire provides power supply for described power supply pedestal, and then provides power supply for described light source.
Further, described elastic plug and described jack are removably pegged graft, when multiple installation base plates are removably plugged between the bottom of described the first side plate and the bottom of described the second side plate, by the conductor wire electrical communication in multiple installation base plates.
Further, between described backlight and described installation base plate, be provided with electric insulation layer.
Further, described electric insulation layer is conducting resinl.
Further, described installation base plate is made up of metal material.
Further, described elastic plug is made up of elastomeric material.
Another object of the present invention is also to provide a kind of liquid crystal indicator, the display panels that comprises down straight aphototropism mode set and be oppositely arranged with described down straight aphototropism mode set, wherein, described down straight aphototropism mode set provides display light source to described display panels, so that described display panels show image, it, described down straight aphototropism mode set is above-mentioned down straight aphototropism mode set.
Down straight aphototropism mode set of the present invention and liquid crystal indicator, in the time that one of them backlight needs repairing or replaces, only installation base plate corresponding this backlight need to be pulled down and can be operated, simple to operation, be conducive to enhance productivity and reduce human cost.
Brief description of the drawings
The following description of carrying out in conjunction with the drawings, above-mentioned and other side, feature and the advantage of embodiments of the invention will become clearer, in accompanying drawing:
Fig. 1 is the cross-sectional schematic of the down straight aphototropism mode set of prior art;
Fig. 2 is the schematic top plan view of backlight and the backboard of prior art;
Fig. 3 is the cross-sectional schematic of down straight aphototropism mode set according to an embodiment of the invention;
Fig. 4 is the sectional side view of backlight and installation base plate according to an embodiment of the invention;
Fig. 5 is the schematic top plan view of backlight and backboard according to an embodiment of the invention;
Fig. 6 is the cross-sectional schematic of liquid crystal indicator according to an embodiment of the invention.
Detailed description of the invention
Below, describe with reference to the accompanying drawings embodiments of the invention in detail.But, can implement in many different forms the present invention, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, it is in order to explain principle of the present invention and practical application thereof that these embodiment are provided, thereby makes others skilled in the art can understand various embodiment of the present invention and be suitable for the various amendments that particular desired is applied.
In the accompanying drawings, identical label will be used to indicate identical element all the time.Although will be appreciated that and can use term " first ", " second " etc. to describe various elements here, these elements should not be subject to the restriction of these terms.These terms are only for separating an element and another element region.
Fig. 3 is the cross-sectional schematic of down straight aphototropism mode set according to an embodiment of the invention.Fig. 4 is the sectional side view of backlight and installation base plate according to an embodiment of the invention.That Fig. 5 is the schematic top plan view of backlight and backboard according to an embodiment of the invention.
Please refer to Fig. 3, Fig. 4 and Fig. 5, down straight aphototropism mode set at least comprises according to an embodiment of the invention: backboard 310, multiple backlight 320, diffuser plate 330.
Particularly, within backlight 320 is installed on backboard 310, diffuser plate 330 is installed on backboard 310 and is positioned at the top of backlight 320.Backboard 310 at least comprises: multiple installation base plates 311, the first side plate 312 and the second side plate 313.Each installation base plate 311 comprises the elastic plug 3111 and the jack 3112 that are separately positioned on its two side ends, wherein, a part for elastic plug 3111 is fixed among installation base plate 311, another part of elastic plug 3111 exposes, the form fit of another part that the shape of jack 3112 and elastic plug 3111 expose.The bottom of the first side plate 312 also comprises elastic plug 3111, and wherein, a part for elastic plug 3111 is fixed among the bottom of the first side plate 312, and another part of elastic plug 3111 exposes, and the bottom of the second side plate 313 also comprises jack 3112.The elastic plug 3111 of each installation base plate 311 is removably plugged in together with the jack 3112 of adjacent installation base plate 311, so that multiple installation base plates 311 are removably plugged in together, thereby the multiple installation base plates 311 that are plugged in together are removably connected between the first side plate 312 and the second side plate 313.Each backlight 320 is installed on corresponding installation base plate 311, in the time that one of them backlight 320 needs repairing or replaces, only the installation base plate 311 of these backlight 320 correspondences need to be pulled down and can be operated, simple to operation, be conducive to enhance productivity and reduce human cost.
In the present embodiment, backlight 320 comprises power supply pedestal 321 and is fixedly installed on the light source 322 being electrically connected on power supply pedestal 321 and with power supply pedestal 321.Wherein, light source 322 can be for example light emitting diode (LED), but the present invention is not limited thereto.In order to provide power supply to light source 322, in the present embodiment, in installation base plate 311, be equipped with conductor wire 340, wherein, the conductor wire 340 of each installation base plate 311 provides power supply for the power supply pedestal 321 of carrying on this installation base plate 311, thereby provides power supply for the light source 322 being fixedly installed on this power supply pedestal 321.
In addition, removably be plugged in together at the elastic plug 3111 of each installation base plate 311 and the jack 3112 of adjacent installation base plate 311, so that multiple installation base plates 311 are when being removably plugged in together, can be by conductor wire 340 electrical communication in multiple installation base plates 311.
Elastic plug 3111 is made up of the elastomeric material with the character such as elasticity, scalability.In the present embodiment, elastic plug 3111 is made up of rubber.Because elastic plug 3111 has elasticity, the characteristic such as scalable, therefore it can utilize the elasticity of self, the characteristic such as scalable easily peg graft or pull away jack 3112.
Each installation base plate 311 is made up of the high metal material of thermal conductivity, in the present embodiment, each installation base plate 311 is made of aluminum, and then makes to be installed on the heat that the backlight 320 on each installation base plate 311 produces and can derive fast, and the radiating effect of down straight aphototropism mode set is provided.Like this, there is leaky in the conductor wire 340 in each installation base plate 311, in the present embodiment, between conductor wire 340 and its corresponding installation base plate 311, is provided with insulator (not shown).
In addition, between backlight 320 and its corresponding installation base plate 311, there is leaky, between each backlight 320 and its corresponding installation base plate 311, be provided with electric insulation layer 350, to improve the reliability of down straight aphototropism mode set.Electric insulation layer 350 can be thermal paste, further improves the radiating effect of down straight aphototropism mode set.
In the time that the down straight aphototropism mode set of the present embodiment is assembled, first on each installation base plate 311, backlight 320 is installed, again the elastic plug of each installation base plate 311 3111 and the jack 3112 of adjacent installation base plate 311 are pegged graft, the installation base plate 311 that backlight 320 is installed so that multiple is plugged in together, then be plugged between the first side plate 312 and the second side plate 313, finally diffuser plate 330 is installed on to the top of backlight 320, with the down straight aphototropism mode set of assembly cost embodiment.In the time that one of them backlight 320 damages, only need the installation base plate 311 of the backlight of this damage 320 correspondences to pull down, and the backlight of damage 320 is changed, simple to operation, be conducive to enhance productivity and reduce human cost.
In addition, the down straight aphototropism mode set of the present embodiment also comprises other opticses such as the optical diaphragm group (not shown) of being located on diffuser plate 330, the light that backlight 320 sends is introduced into diffuser plate 330, enter again optical diaphragm group, and then provide the uniform area source of illumination to display panels.
Fig. 6 is the cross-sectional schematic of liquid crystal indicator according to an embodiment of the invention.
Please refer to Fig. 6, liquid crystal indicator at least comprises according to an embodiment of the invention: down straight aphototropism mode set 300 and the display panels 400 being oppositely arranged with down straight aphototropism mode set 300.
Down straight aphototropism mode set 300 provides the uniform area source of illumination to display panels 400, so that display panels 400 show images, wherein, down straight aphototropism mode set 300 is the down straight aphototropism mode set shown in Fig. 3.
In sum, down straight aphototropism mode set of the present invention and liquid crystal indicator, removably be spliced to form the base plate of backboard by multiple installation base plates, in the time that one of them backlight damages, only need the installation base plate corresponding backlight of this damage to pull down, and the backlight of damage is changed, simple to operation, be conducive to enhance productivity and reduce human cost.
Although exemplified and described the present invention with reference to particular implementation, but it should be appreciated by those skilled in the art that: in the case of not departing from the spirit and scope of the present invention that limited by claim and equivalent thereof, can carry out the various variations in form and details at this.
Claims (10)
1. a down straight aphototropism mode set, comprise: backboard (310) and be installed on the multiple backlights (320) in described backboard (310), it is characterized in that, described backboard (310) comprises multiple installation base plates (311), the first side plate (312) and the second side plate (313), the bottom of one side of described installation base plate (311) and described the first side plate (312) includes elastic plug (3111), the bottom of another side of described installation base plate (311) and described the second side plate (313) includes jack (3112), wherein, described elastic plug (3111) is removably pegged graft with described jack (3112), so that multiple installation base plates (311) are removably plugged between the bottom of described the first side plate (312) and the bottom of described the second side plate (313), described backlight (320) is installed on described installation base plate (311).
2. down straight aphototropism mode set according to claim 1, it is characterized in that, a part for the elastic plug (3111) of one side of described installation base plate (311) is fixed among a side of described installation base plate (311), another part of the elastic plug (3111) of one side of described installation base plate (311) exposes, and the shape of its shape and described jack (3112) matches; A part for the elastic plug (3111) of the bottom of described the first side plate (312) is fixed among the bottom of described the first side plate (312), another part of the elastic plug (3111) of the bottom of described the first side plate (312) exposes, and the shape of its shape and described jack (3112) matches.
3. down straight aphototropism mode set according to claim 1, it is characterized in that, described backlight (320) comprises power supply pedestal (321) and is arranged on power supply pedestal (321) and the light source (322) being electrically connected with described power supply pedestal (321).
4. down straight aphototropism mode set according to claim 3, it is characterized in that, in described installation base plate (311), be equipped with conductor wire (340), wherein, described conductor wire (340) provides power supply for described power supply pedestal (321), and then provides power supply for described light source (322).
5. down straight aphototropism mode set according to claim 4, it is characterized in that, described elastic plug (3111) is removably pegged graft with described jack (3112), when multiple installation base plates (311) are removably plugged between the bottom of described the first side plate (312) and the bottom of described the second side plate (313), by conductor wire (340) electrical communication in multiple installation base plates (311).
6. according to the down straight aphototropism mode set described in claim 1 to 5 any one, it is characterized in that, between described backlight (320) and described installation base plate (311), be provided with electric insulation layer (350).
7. down straight aphototropism mode set according to claim 6, is characterized in that, described electric insulation layer (350) is conducting resinl.
8. down straight aphototropism mode set according to claim 1, is characterized in that, described installation base plate (311) is made up of metal material.
9. down straight aphototropism mode set according to claim 1, is characterized in that, described elastic plug (3111) is made up of elastomeric material.
10. a liquid crystal indicator, the display panels (400) that comprises down straight aphototropism mode set (300) and be oppositely arranged with described down straight aphototropism mode set (300), wherein, described down straight aphototropism mode set (300) provides display light source to described display panels (400), so that described display panels (400) show image, it is characterized in that, described down straight aphototropism mode set (300) is the down straight aphototropism mode set described in claim 1 to 8 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289543.XA CN104048217A (en) | 2014-06-24 | 2014-06-24 | Direct-type backlight module and liquid crystal display device |
| PCT/CN2014/081258 WO2015196497A1 (en) | 2014-06-24 | 2014-06-30 | Direct-lit backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289543.XA CN104048217A (en) | 2014-06-24 | 2014-06-24 | Direct-type backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104048217A true CN104048217A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410289543.XA Pending CN104048217A (en) | 2014-06-24 | 2014-06-24 | Direct-type backlight module and liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104048217A (en) |
| WO (1) | WO2015196497A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644421A (en) * | 2008-08-08 | 2010-02-10 | 苏州璨宇光学有限公司 | Light source group and side-view backlight module |
| US20120262944A1 (en) * | 2011-04-18 | 2012-10-18 | Minebea Co., Ltd. | Spread illuminating apparatus |
| US8475031B1 (en) * | 2012-01-03 | 2013-07-02 | Kocam International Co., Ltd. | LED backlight module structure for increasing process yield |
| CN203366665U (en) * | 2013-07-03 | 2013-12-25 | 尤阳(厦门)光电科技有限公司 | Novel LED backlight light box |
| CN103543559A (en) * | 2013-11-05 | 2014-01-29 | 深圳市华星光电技术有限公司 | Direct type backlight module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265236C (en) * | 2003-02-17 | 2006-07-19 | 友达光电股份有限公司 | Backlight module |
| KR100750130B1 (en) * | 2005-03-23 | 2007-08-21 | 삼성전자주식회사 | Light emitting assembly, backlight unit and display |
| CN2914135Y (en) * | 2006-05-30 | 2007-06-20 | 稳态科技股份有限公司 | Split-type source die set of liquid crystal die set |
| CN202125821U (en) * | 2011-06-01 | 2012-01-25 | 北京京东方光电科技有限公司 | LED (Light Emitting Diode) backlight unit, LED light bar and backlight component of LCD (Liquid Crystal Display) |
| CN202253221U (en) * | 2011-10-25 | 2012-05-30 | 京东方科技集团股份有限公司 | Backlight module |
| CN102628568B (en) * | 2012-03-28 | 2014-10-29 | 达运精密工业（苏州）有限公司 | Light source component and backlight module |
-
2014
- 2014-06-24 CN CN201410289543.XA patent/CN104048217A/en active Pending
- 2014-06-30 WO PCT/CN2014/081258 patent/WO2015196497A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644421A (en) * | 2008-08-08 | 2010-02-10 | 苏州璨宇光学有限公司 | Light source group and side-view backlight module |
| US20120262944A1 (en) * | 2011-04-18 | 2012-10-18 | Minebea Co., Ltd. | Spread illuminating apparatus |
| US8475031B1 (en) * | 2012-01-03 | 2013-07-02 | Kocam International Co., Ltd. | LED backlight module structure for increasing process yield |
| CN203366665U (en) * | 2013-07-03 | 2013-12-25 | 尤阳(厦门)光电科技有限公司 | Novel LED backlight light box |
| CN103543559A (en) * | 2013-11-05 | 2014-01-29 | 深圳市华星光电技术有限公司 | Direct type backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015196497A1 (en) | 2015-12-30 |
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