WO2016110066A1 - 一种背光模组及显示装置 - Google Patents

一种背光模组及显示装置 Download PDF

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Publication number
WO2016110066A1
WO2016110066A1 PCT/CN2015/082520 CN2015082520W WO2016110066A1 WO 2016110066 A1 WO2016110066 A1 WO 2016110066A1 CN 2015082520 W CN2015082520 W CN 2015082520W WO 2016110066 A1 WO2016110066 A1 WO 2016110066A1
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WO
WIPO (PCT)
Prior art keywords
support
backlight module
bottom plate
support strip
fixed
Prior art date
Application number
PCT/CN2015/082520
Other languages
English (en)
French (fr)
Inventor
徐健
吴新银
马永达
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/911,303 priority Critical patent/US9897293B2/en
Publication of WO2016110066A1 publication Critical patent/WO2016110066A1/zh

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Classifications

    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a backlight module and a display device.
  • the large-size backlight module or the ultra-thin backlight module has poor strength and is easily distorted.
  • the existing common technical means is to increase the thickness of the back plate or to add a fixed metal plate on the back surface of the back plate. To increase the strength of the backboard.
  • the weight of the backlight module is generally increased, which results in the display device using the backlight module being too heavy and inconvenient to install.
  • the invention provides a backlight module and a display device, wherein the backlight module has high strength and light weight.
  • the present invention provides the following technical solutions:
  • a backlight module comprising:
  • the backboard comprising a bottom plate and a side panel forming a mounting groove
  • An optical film layer located in the mounting groove
  • At least two support strips disposed between the bottom plate and the optical film layer and intersecting each other;
  • Each of the two support bars is relatively fixed, and each support bar is fixed to the bottom plate.
  • the above backlight module can increase the mechanical strength of the back plate in the backlight module by the intersecting support bars installed on the bottom plate, improve the pressure resistance of the back plate, and the strips are arranged due to the use of the support bars.
  • the backlight module does not cover the entire surface of the backplane, and the backlight module has a smaller weight increase than the backlight module that strengthens the strength of the backplane in the prior art.
  • the backlight module described above has high strength and light weight.
  • At least one end of the at least one support strip is provided with a ladder protruding toward the bottom plate, and the ladder forms a display panel support surface for supporting the display panel.
  • the ladder further forms an optical film layer support surface for supporting the optical film layer.
  • the backlight module further includes a fixing piece, and the fixing piece has a display panel pressing surface for pressing the display panel against the supporting surface of the display panel.
  • the fixing piece is snap-fitted with the ladder.
  • the card combination includes:
  • a top of the step forms a boss, and the fixing piece forms a groove toward a surface of the bottom plate, and the boss is engaged with the groove.
  • the card combination further comprises:
  • the side wall of the boss is provided with a buckle, and the inner side wall of the groove is provided with a hook corresponding to the buckle, and each pair of the buckle and the hook are engaged.
  • the bottom plate is quadrangular and has a first corner, a second corner, a third corner and a fourth corner which are sequentially adjacent;
  • the support strips are two, and:
  • One end of one of the support strips is fixed to the first corner of the bottom plate, and the other end is fixed to the third corner of the bottom plate;
  • the other end of the support strip is fixed to the second corner of the bottom plate, and the other end is fixed to the fourth corner of the bottom plate.
  • the two support bars are of unitary construction.
  • the support strips are three, and one of the three support strips respectively intersects the other two support strips, and both ends of each support strip respectively abut the two side plates of the bottom plate.
  • the support strips are three, respectively a first support strip, a second support strip and a third support strip, and the first support strip and the second support strip and the third support strip respectively Vertically intersect.
  • the first support bar is provided with a groove portion at an intersection corresponding to the second support bar and the third support bar, and an intersection of the second support bar and the third support bar Located in the groove portion of the first support bar, and the first support bar and the second support bar and the third support bar are respectively fixed by screws.
  • a side of the support strip facing away from the bottom plate is provided with a reinforcing rib.
  • each of the support bars is fixed to the back plate.
  • the present invention also provides a display device comprising the backlight module of any one of the above aspects.
  • FIG. 1 is a schematic diagram of an explosion structure of a backlight module according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a backlight module according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a support bar in the backlight module provided in FIG. 1;
  • FIG. 4 is a schematic structural view of a fixing piece in the backlight module provided in FIG. 1;
  • FIG. 5 is a schematic structural diagram of another backlight module according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural view of a support bar in the backlight module provided in FIG. 5;
  • FIG. 7 is a schematic structural view of another support bar in the backlight module provided in FIG. 5.
  • FIG. 1 Please refer to FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG.
  • a backlight module provided by an embodiment of the present invention includes:
  • the backing plate 1 includes a bottom plate 11 and a side plate 12 forming a mounting groove;
  • An optical film layer 2 located in the mounting groove
  • At least two support strips 3 disposed between the bottom plate 11 and the optical film layer 2 and intersecting each other;
  • Each of the two support bars 3 is relatively fixed, and each of the support bars 3 is fixed to the bottom plate 11.
  • the backlight module can increase the mechanical strength of the back plate 1 in the backlight module by the intersecting support bars 3 mounted on the bottom plate 11, improve the pressure resistance of the back plate 1, and have a strip for the support strip 3 used.
  • the structures are arranged and intersected, and the entire surface of the backboard 1 is not covered. Compared with the backlight module for strengthening the strength of the backplane in the prior art, the weight of the backlight module is small.
  • the backlight module described above has high strength and light weight.
  • two support bars 3 are respectively supported by the support bar 31 and the support bar 32.
  • the bottom plate 11 of the back plate 1 is quadrangular, and the bottom plate 11 of the back plate 1 is
  • the four side plates 12 form four corner portions, which are a first corner portion 101, a second corner portion 102, a third corner portion 103, and a fourth corner portion 104 respectively; as shown in FIGS. 1 and 2, two of the support bars 31
  • the ends are respectively mounted on the first corner portion 101 and the third corner portion 103 of the backboard 1, and both ends of the support bar 32 are respectively mounted to the second corner portion 102 and the fourth corner portion 104.
  • the support bar 3 Since the two support bars 3 are arranged at the intersection and the ends of the support bars 3 are attached to the four corners of the backboard 1, the support bar 3 divides the backboard 1 into four triangular regions, and the support bars are stable due to the stability of the triangles. 3 can play a good supporting role for the backboard 1, greatly improving the strength of the backboard 1.
  • the support bar 31 and the support bar 32 are cross-integrated structures, and the support bar 31 and the support bar 32 are arranged in a cross-over manner and have an integrated structure, so that two support bars can be provided. 3 is relatively fixed and can increase the stability and reliability of the structure of the support bar 3.
  • At least one end of at least one of the support bars 3 is provided with a step 33 protruding toward the bottom plate 11 and the step 33 A display panel supporting surface 332 for supporting the display panel 4 is formed.
  • the step 33 also forms an optical film layer support surface 331 for supporting the optical film layer 2.
  • each end of each of the support bars 3 is provided with a step, and the four terraces 33 formed by the two support bars 3 are respectively located at the four corners of the back plate 1, and the optical film formed on the terrace 33 Layer support surface 331 and display panel support
  • the face 332 can support and limit the four corners of the optical film layer 2 and the display panel 4, and therefore, the stability of the optical film layer 2 and the display panel 4 can be increased.
  • the backlight module further includes a fixing piece 5 , and the fixing piece 5 has a display panel 4 pressed against the display panel.
  • the display panel pressing surface 51 of the support surface 332 is engaged with the step 33.
  • the fixing piece 5 and the step 33 are engaged with each other.
  • the top end of the step 33 forms a boss 333, and the fixing piece 5 faces.
  • the surface of the bottom plate 11 forms a groove 52, and the boss 333 is engaged with the groove 52.
  • the side wall of the boss 333 is provided with a buckle 334, and the inner side wall of the groove 52 is provided with a hook 53 corresponding to the buckle 334. Each pair of the buckle 334 and the hook 53 are engaged.
  • the fixing between the fixing piece 5 and the step 33 can also be achieved by other means.
  • the side of the support bar 3 facing away from the bottom plate 11 is provided with reinforcing ribs 34 to strengthen the strength of the support bar 3. .
  • the middle portion of each of the support bars 3 is fixed to the back plate 1.
  • the center of the intersection of the support bars 3 is the center of each of the support bars 3, and both ends of the support bars 3 and the center of the intersection of the support bars 3 are provided with screw holes 35.
  • the center of the intersection of the support bars 3 can be fixed to the bottom plate 11 by screws screwed into the threaded holes 35, and both ends of the support bars 3 are fixed to the corners of the back plate 1.
  • the support bar 3 can also be fixed to the backboard 1 by other means.
  • the support strips 3 may be three, one of the three support strips respectively intersects the other two support strips, and the two ends of each support strip are respectively opposite to the two sides of the bottom plate
  • the board is offset.
  • the three support bars are respectively a support bar 36, a support bar 37 and a support bar 38, wherein the support bars 36 respectively intersect the support bar 37 and the support bar 38 perpendicularly, and the back plate 1
  • the bottom plate 11 is a parallelogram.
  • the support strips 36 are arranged in parallel with the long sides of the parallelograms, and the two ends respectively abut the side plates corresponding to the short sides of the parallelograms.
  • the support bars 37 are arranged in parallel with the short sides of the parallelograms, and both ends are arranged.
  • the side plates corresponding to the long sides of the parallelograms respectively abut, and the support bars 38 are arranged in parallel with the short sides of the parallelograms, and the two ends respectively abut the side plates corresponding to the long sides of the parallelograms.
  • At least one end of at least one of the three support bars 3 is provided with a platform protruding toward the bottom plate 11 , and the ladder can be A display panel supporting surface for supporting the display panel 4 is formed.
  • two ends of the support bar 36 form two steps 363.
  • two ends of the support bar 37 form two steps 373, and the support bar 38 can be completely completed with the support bar 37. The same structure.
  • the support strips 36 are perpendicularly intersected with the support strips 37 and the support strips 38, respectively.
  • the support strips 36 may be corresponding to the support strips 37 as shown in FIGS. 5, 6, and 7. Slot at the intersection The portion 361, the intersection of the support bar 37 is located in the groove portion 361 of the support bar 36 to achieve the intersection with the support bar 36, and the support bar 36 and the support bar 37 are fixed by screws; the support bar 36 corresponds to the support bar 38
  • the intersection portion is provided with a groove portion 362, and the intersection portion of the support bar 38 is located in the groove portion 362 of the support bar 36 to be disposed to intersect the support bar 36, and the support bar 36 and the support bar 38 are fixed by screws.
  • the present invention also provides a display device, which includes the backlight module provided by any of the above embodiments.
  • the above display device has good compression deformation effect and light weight.

Abstract

一种背光模组包括：背板（1），背板（1）包括形成安装槽的底板（11）和侧板（12）；位于安装槽（11）内的光学膜层（2）；位于底板（11）与光学膜层（2）之间、且相交设置的至少两个支撑条（3）；每两个支撑条（3）之间相对固定，且每一个支撑条（3）固定于底板（11）。通过安装在底板（11）上的相交设置的支撑条（3），可以增加背光模组中背板（1）的机械强度，提高背板（1）的抗压能力。由于使用的支撑条（3）具有条状结构且相交设置，没有覆盖背板（1）的全部表面，相对于现有技术中加强背板强度的背光模组，这种背光模组的重量增加较小，且强度高。还公开了一种显示装置。

Description

一种背光模组及显示装置
本申请要求于2015年1月8日递交中国专利局的、申请号为201520012935.1的中国专利申请的权益，该申请的全部公开内容以引用方式并入本文。
技术领域
本发明涉及显示技术领域，尤其是涉及一种背光模组及显示装置。
背景技术
大尺寸背光模组或超薄型背光模组的强度不佳，容易扭曲变形，为解决此问题，现有的常用技术手段为增加背板厚度或者，在背板后表面增加固定整块金属板来增加背板强度。
以上方案，一般都会导致背光模组重量大大增加，从而导致使用该背光模组的显示装置的重量过大且安装不方便。
发明内容
本发明提供了一种背光模组及显示装置，其中，该背光模组的强度高且重量较轻。
为达到上述目的，本发明提供以下技术方案：
一种背光模组，包括：
背板，所述背板包括形成安装槽的底板和侧板；
位于所述安装槽内的光学膜层；
位于所述底板与所述光学膜层之间、且相交设置的至少两个支撑条；
每两个所述支撑条之间相对固定，且每一个支撑条固定于所述底板。
上述背光模组，通过安装于底板上的相交设置的支撑条，可以增加背光模组中背板的机械强度，提高背板的抗压能力，且由于使用的支撑条具有条状结构且相交设置，没有覆盖背板的全部表面，相对于现有技术中加强背板强度的背光模组，上述背光模组的重量增加较小。
因此，上述背光模组的强度高且重量较轻。
优选地，至少一个支撑条的至少一端设有向背离所述底板方向凸起的梯台，所述梯台形成用于对显示面板进行支撑限位的显示面板支撑面。
优选地，所述梯台还形成用于对所述光学膜层进行支撑限位的光学膜层支撑面。
优选地，所述背光模组还包括固定片，所述固定片具有将显示面板压紧于所述显示面板支撑面的显示面板压紧面。
优选地，所述固定片与所述梯台卡接结合。
优选地，所述卡接结合具体包括：
所述梯台的顶部形成凸台，所述固定片朝向所述底板的表面形成凹槽，所述凸台与所述凹槽卡接。
优选地，所述卡接结合还包括：
所述凸台的侧壁设有卡扣，所述凹槽的内侧壁设有与所述卡扣一一对应的卡钩，每一对所述卡扣和卡钩卡接。
优选地，所述底板为四边形、且具有依次相邻的第一角部、第二角部、第三角部和第四角部；所述支撑条为两个，且：
一个所述支撑条的一端固定于所述底板的第一角部，另一端固定于所述底板的第三角部；
另一个所述支撑条的一端固定于所述底板的第二角部，另一端固定于所述底板的第四角部。
优选地，两个所述支撑条为一体式结构。
优选地，所述支撑条为三个，三个支撑条中有一个支撑条分别与另外两个支撑条相交，且每个支撑条的两端分别与所述底板的两个侧板相抵。
优选地，所述支撑条为三个，分别为第一支撑条、第二支撑条和第三支撑条，并且所述第一支撑条分别与所述第二支撑条和所述第三支撑条垂直相交。
优选地，所述第一支撑条在与所述第二支撑条和所述第三支撑条对应的交叉部均设有槽部，所述第二支撑条和所述第三支撑条的交叉部位于所述第一支撑条的槽部内，并且所述第一支撑条与所述第二支撑条和所述第三支撑条之间分别通过螺钉固定。
优选地，所述支撑条背离所述底板的一侧设有加强筋。
优选地，每一个所述支撑条的中部固定于所述背板。
本发明还提供一种显示装置，包括上述任一个技术方案所述的背光模组。
附图说明
图1为本发明实施例提供的一种背光模组的爆炸结构示意图；
图2为本发明实施例提供的一种背光模组的结构示意图；
图3为图1中提供的背光模组中的支撑条的结构示意图；
图4为图1中提供的背光模组中的固定片的结构示意图；
图5为本发明实施例提供的另一种背光模组的结构示意图；
图6为图5中提供的背光模组中的一个支撑条的结构示意图；
图7为图5中提供的背光模组中的另一个支撑条的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1、图2、图3、图4和图5。
如图1、图2和图5所示，本发明实施例提供的一种背光模组，包括：
背板1，所述背板1包括形成安装槽的底板11和侧板12；
位于所述安装槽内的光学膜层2；
位于底板11与光学膜层2之间、且相交设置的至少两个支撑条3；
每两个支撑条3之间相对固定，且每一个支撑条3固定于底板11。
上述背光模组，通过安装于底板11上的相交设置的支撑条3，可以增加背光模组中背板1的机械强度，提高背板1的抗压能力，且由于使用的支撑条3具有条状结构且相交设置，没有覆盖背板1的全部表面，相对于现有技术中加强背板强度的背光模组，上述背光模组的重量增加较小。
因此，上述背光模组的强度高且重量较轻。
如图1和图2所示，一种优选的实施例中，支撑条3为两个，分别为支撑条31和支撑条32；背板1的底板11为四边形，背板1的底板11与四个侧板12形成四个角部，分别为第一角部101、第二角部102、第三角部103以及第四角部104；如图1和图2所示，支撑条31的两端分别安装于背板1的第一角部101和第三角部103，支撑条32的两端分别安装于第二角部102和第四角部104。
由于两个支撑条3交叉设置、且支撑条3的端部安装于背板1的四个角部，所以支撑条3将背板1分为四个三角形区域，由于三角形的稳定性，支撑条3可以对背板1起到很好的支撑作用，大大提升了背板1的强度。
在上述实施例的基础上，一种优选的实施例中，支撑条31和支撑条32为交叉一体式结构，支撑条31和支撑条32交叉设置且为一体式结构，可以使两个支撑条3相对固定、且可以增加支撑条3结构的稳定性和可靠性。
如图1和图3所示，在上述实施例的基础上，一种具体的实施例中，至少一个支撑条3的至少一端设有向背离底板11方向凸起的梯台33，梯台33形成用于对显示面板4进行支撑限位的显示面板支撑面332。一种优选的实施例中，梯台33还形成用于对所述光学膜层2进行支撑限位的光学膜层支撑面331。
优选地，每个支撑条3的两个端部都设有梯台，两个支撑条3形成的四个梯台33分别位于背板1的四个角部，梯台33上形成的光学膜层支撑面331以及显示面板支撑 面332可以对光学膜层2以及显示面板4的四个角进行支撑和限位，因此，可以增加光学膜层2以及显示面板4的稳定性。
如图1、图2和图4所示，在上述实施例的基础上，一种具体的实施例中，背光模组还包括固定片5，固定片5具有将显示面板4压紧于显示面板支撑面332的显示面板压紧面51；固定片5与梯台33之间卡接。通过固定片5与梯台33之间卡接，可以将显示面板4与背光模组固定安装在一起，从而形成一个稳定的显示装置。
如图3和图4所示，一种优选的实施例中，固定片5与梯台33之间卡接，具体可以通过以下方式实现：梯台33的顶端形成凸台333，固定片5朝向底板11的表面形成凹槽52，凸台333与凹槽52之间卡接。如图3和图4所示，优选地，所述凸台333的侧壁设有卡扣334，所述凹槽52的内侧壁设有与所述卡扣334一一对应的卡钩53，每一对所述卡扣334和卡钩53卡接。
当然，固定片5与梯台33之间也可以采用其它方式实现卡接。
如图1、图2和图3所示，在上述各实施例的基础上，一种具体的实施例中，支撑条3背离底板11的一侧设有加强筋34以加强支撑条3的强度。
在上述各实施例的基础上，一种具体的实施例中，每一个支撑条3的中部固定于背板1。如图2和图3所示，优选地，支撑条3的交叉部位的中心即是每一个支撑条3的中心，支撑条3的两端以及支撑条3的交叉部中心都设有螺纹孔35，通过与螺纹孔35螺纹配合的螺钉可以使支撑条3的交叉部中心固定于底板11，且使支撑条3的两端固定于背板1的角部。
当然，支撑条3也可以通过其他方式固定于背板1。
另一种具体的实施例中，支撑条3可以为三个，三个支撑条中有一个支撑条分别与另外两个支撑条相交，且每个支撑条的两端分别与底板的两个侧板相抵。如图5、图6和图7所示，三个支撑条分别为支撑条36、支撑条37和支撑条38，其中，支撑条36分别与支撑条37和支撑条38垂直相交，背板1的底板11为平行四边形，支撑条36与平行四边形的长边平行设置、且两端分别与平行四边形的短边对应的侧板相抵，支撑条37与平行四边形的短边平行设置、且两端分别与平行四边形的长边对应的侧板相抵，支撑条38与平行四边形的短边平行设置、且两端分别与平行四边形的长边对应的侧板相抵。
一种优选的实施例中，如图5、图6和图7所示，三个支撑条中，至少一个支撑条3的至少一端设有向背离底板11方向凸起的梯台，梯台可以形成用于对显示面板4进行支撑限位的显示面板支撑面。如图6中所示，支撑条36的两端形成两个梯台363，如图7中所示，支撑条37的两端形成两个梯台373，支撑条38可以与支撑条37具有完全相同的结构。
另一种优选的实施例中，支撑条36分别与支撑条37和支撑条38垂直相交，具体可以包括：如图5、图6和图7所示，支撑条36在与支撑条37对应的交叉部设有槽 部361，支撑条37的交叉部位于支撑条36的槽部361内以实现与支撑条36相交设置，且支撑条36和支撑条37之间通过螺钉固定；支撑条36在与支撑条38对应的交叉部设有槽部362，支撑条38的交叉部位于支撑条36的槽部362内以实现与支撑条36相交设置，且支撑条36和支撑条38之间通过螺钉固定。
本发明还提供一种显示装置，该显示装置包括上述任一实施例提供的背光模组。上述显示装置抗压形变效果好、且重量较轻。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (15)

  1. 一种背光模组，其特征在于，包括：
    背板，所述背板包括形成安装槽的底板和侧板；
    位于所述安装槽内的光学膜层；
    位于所述底板与所述光学膜层之间、且相交设置的至少两个支撑条；
    每两个所述相交设置的支撑条之间相对固定，且每一个支撑条固定于所述底板。
  2. 根据权利要求1所述的背光模组，其特征在于，至少一个支撑条的至少一端设有向背离所述底板方向凸起的梯台，所述梯台形成用于对显示面板进行支撑限位的显示面板支撑面。
  3. 根据权利要求2所述的背光模组，其特征在于，所述梯台还形成用于对所述光学膜层进行支撑限位的光学膜层支撑面。
  4. 根据权利要求3所述的背光模组，其特征在于，还包括固定片，所述固定片具有将显示面板压紧于所述显示面板支撑面的显示面板压紧面。
  5. 根据权利要求4所述的背光模组，其特征在于，所述固定片与所述梯台卡接结合。
  6. 根据权利要求5所述的背光模组，其特征在于，所述卡接结合具体包括：
    所述梯台的顶部形成凸台，所述固定片朝向所述底板的表面形成凹槽，所述凸台与所述凹槽卡接。
  7. 根据权利要求6所述的背光模组，其特征在于，所述卡接结合还包括：
    所述凸台的侧壁设有卡扣，所述凹槽的内侧壁设有与所述卡扣一一对应的卡钩，每一对所述卡扣和卡钩卡接。
  8. 根据权利要求1所述的背光模组，其特征在于，所述底板为四边形、且具有依次相邻的第一角部、第二角部、第三角部和第四角部；所述支撑条为两个，且：
    一个所述支撑条的一端固定于所述底板的第一角部，另一端固定于所述底板的第三角部；
    另一个所述支撑条的一端固定于所述底板的第二角部，另一端固定于所述底板的第四角部。
  9. 根据权利要求8所述的背光模组，其特征在于，两个所述支撑条为一体式结构。
  10. 根据权利要求1所述的背光模组，其特征在于，所述支撑条为三个，三个支撑条中有一个支撑条分别与另外两个支撑条相交，且每个支撑条的两端分别与所述底板的两个侧板相抵。
  11. 根据权利要求1或10所述的背光模组，其特征在于，所述支撑条为三个，分别为第一支撑条、第二支撑条和第三支撑条，并且所述第一支撑条分别与所述第二支撑条和所述第三支撑条垂直相交。
  12. 根据权利要求11所述的背光模组，其特征在于，所述第一支撑条在与所述第二支撑条和所述第三支撑条对应的交叉部均设有槽部，所述第二支撑条和所述第三支撑条的交叉部位于所述第一支撑条的槽部内，并且所述第一支撑条与所述第二支撑条和所述第三支撑条之间分别通过螺钉固定。
  13. 根据权利要求1所述的背光模组，其特征在于，所述支撑条背离所述底板的一侧设有加强筋。
  14. 根据权利要求1～9任一项所述的背光模组，其特征在于，每一个所述支撑条的中部固定于所述背板。
  15. 一种显示装置，其特征在于，包括如权利要求1～14任一项所述的背光模组。
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