WO2014015487A1 - 液晶显示装置及其背光模组和背板组件 - Google Patents

液晶显示装置及其背光模组和背板组件 Download PDF

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Publication number
WO2014015487A1
WO2014015487A1 PCT/CN2012/079151 CN2012079151W WO2014015487A1 WO 2014015487 A1 WO2014015487 A1 WO 2014015487A1 CN 2012079151 W CN2012079151 W CN 2012079151W WO 2014015487 A1 WO2014015487 A1 WO 2014015487A1
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WIPO (PCT)
Prior art keywords
liquid crystal
baffle
side wall
bottom plate
optical member
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PCT/CN2012/079151
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English (en)
French (fr)
Inventor
郭仪正
萧宇均
阙成文
张庞岭
李德华
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/582,999 priority Critical patent/US20140028949A1/en
Publication of WO2014015487A1 publication Critical patent/WO2014015487A1/zh

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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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • 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 liquid crystal display, and in particular to a liquid crystal display device, a backlight module thereof and a backplane assembly.
  • a liquid crystal display is a common display device.
  • a liquid crystal display device is assembled by a back plate, a front frame, a plastic frame, an optical member, and a liquid crystal panel.
  • the front frame is pressed on the liquid crystal panel to prevent the liquid crystal panel from falling off, and the plastic frame is used for accommodating and fixing the optical component and supporting the liquid crystal panel. Therefore, for the prior art, both the front frame and the plastic frame are indispensable parts of the liquid crystal display device.
  • the front frame and the plastic frame itself have a high manufacturing cost, and therefore, the use of the front frame and the plastic frame will significantly increase the cost of the entire liquid crystal display device.
  • the use of a large number of front frames and plastic frames can also cause inconvenience to production and installation.
  • the technical problem to be solved by the embodiments of the present invention is to provide a liquid crystal display device, a backlight module thereof and a backplane assembly, and replace the existing front frame and the plastic frame by the backboard assembly, thereby being able to solve the front frame and The high cost and inconvenient assembly problems caused by the plastic frame.
  • one technical solution adopted by the present invention is to provide a backboard assembly for a backlight module, the backboard assembly includes a snapping component, and the snap component further includes a receiving unit and a positioning unit.
  • the accommodating unit includes a bottom plate, a first side wall, and a baffle.
  • the bottom plate is configured to carry the optical component; the bottom end of the first sidewall is connected to the bottom plate, the top end of the first sidewall is connected to the baffle; and the baffle is used to support the liquid crystal panel.
  • the bottom plate, the first side wall, and the baffle together form a receiving groove to receive and secure the optical member.
  • the positioning unit is disposed on the accommodating unit, and the positioning unit comprises a second side wall and a pressure cover; the bottom end of the second side wall is connected to the baffle, and the top end of the second side wall is connected with the pressure cover;
  • the plate, the second side wall, and the baffle collectively form a positioning groove to receive and fix the liquid crystal panel.
  • the positioning unit is plural, and the plurality of positioning units are spaced apart on the baffle of the accommodating unit.
  • the backboard assembly further includes a support member disposed under the optical member to support the optical member.
  • the bottom plate is provided with a recessed area at the connection with the first side wall, so that the bottom plate forms a heat dissipation space between the recessed area and the optical component.
  • a first buffer space is disposed between the optical component and the first sidewall, and a second buffer space is disposed between the liquid crystal panel and the second sidewall.
  • a first cushion is disposed between the optical member and the baffle to protect and position the optical component; a second cushion is disposed between the liquid crystal panel and the baffle; and a third buffer is disposed between the crystal panel and the gland plate pad.
  • the backlight module includes an optical component and a backboard assembly.
  • the backboard assembly includes a snap component that includes a receiving unit and a positioning unit.
  • the accommodating unit comprises a bottom plate, a first side wall and a baffle, wherein the bottom plate is used for carrying the optical component, the bottom end of the first side wall is connected with the bottom plate, and the top end of the first side wall is connected with the baffle, and the baffle is used To support the liquid crystal panel, the bottom plate, the first side wall and the baffle together form a receiving groove for receiving and fixing the optical component;
  • the positioning unit is disposed on the accommodating unit, the positioning unit includes a second side wall and a pressure cover, and the second The bottom end of the side wall is connected to the baffle, and the top end of the second side wall is connected to the pressure cover.
  • the gland plate, the second side wall and the baffle together form a positioning groove to receive and fix the liquid crystal panel.
  • the optical component is a laminated light guide plate and an optical film, and the accommodating groove of the accommodating unit is engaged with the side of the optical component to fix the optical component.
  • the positioning unit is plural, and the plurality of positioning units are spaced apart on the baffle of the accommodating unit.
  • the backboard assembly further includes a support member disposed under the optical member to support the optical member.
  • the bottom plate is provided with a recessed area at the connection with the first side wall, so that the bottom plate forms a heat dissipation space between the recessed area and the optical component.
  • another technical solution adopted by the present invention is to provide a liquid crystal display device including a liquid crystal panel and the above backlight module.
  • the positioning slot of the positioning unit is engaged with the side of the liquid crystal panel to fix the liquid crystal panel.
  • the positioning unit is plural, and the plurality of positioning units are spaced apart on the baffle of the accommodating unit.
  • the backboard assembly further includes a support member disposed under the optical member to support the optical member.
  • Embodiments of the present invention provide a liquid crystal display device, a backlight module thereof, and a backplane assembly.
  • the backplane assembly is provided with an engaging component including a receiving unit and a positioning unit, and the engaging component has an accommodating and positioning optical component and The role of the LCD panel. Therefore, the embodiment of the present invention replaces the front frame and the plastic frame with the engaging component, thereby effectively reducing the cost of the entire backlight module and the liquid crystal display device by eliminating the front frame and the plastic frame.
  • the backplane assembly of the embodiment of the invention also has the characteristics of simple structure, and brings convenience to the installation of the backlight module and the liquid crystal display device.
  • FIG. 1 is a cross-sectional view showing a partial structure of a liquid crystal display device using a back sheet assembly according to an embodiment of the present invention
  • Figure 2 is a schematic structural view of the engaging member shown in Figure 1;
  • FIG. 3 is a schematic structural view of a backplane assembly according to an embodiment of the present invention.
  • FIG. 4 is a schematic exploded view of a liquid crystal display device according to an embodiment of the present invention.
  • Fig. 5 is a schematic view showing the assembly of the liquid crystal display device shown in Fig. 4.
  • the backboard assembly includes an engaging component, and the engaging component further includes a receiving unit 10 and a positioning unit 20.
  • the accommodating unit 10 and the locating unit 20 will be separately described below.
  • the accommodating unit 10 includes a bottom plate 101, a first side wall 102, and a baffle 103.
  • the bottom plate 101 is used to carry the optical member 30, that is, the optical member 30 can be horizontally placed on the bottom plate 101.
  • the first side wall 102 is used to connect the bottom plate 101 and the baffle 103. Specifically, the bottom end of the first side wall 102 is connected to the bottom plate 101, and the top end of the first side wall 102 is connected to the baffle 103.
  • the baffle 103 has two main functions, one of which is a gland optical member 30, and the other is a liquid crystal panel 40. It can be seen that the bottom plate 101, the first side wall 102 and the baffle 103 together form a receiving groove 104 for receiving and fixing the optical member 30.
  • the engaging member and the accommodating unit 10 therein are not limited to the structure shown in the drawings.
  • the shape of the bottom plate 101 is not limited to a rectangular shape, and it may be provided in a trapezoidal or circular arc shape, or may be provided in a plurality of long plates as long as the optical member 30 can be supported.
  • the first side wall 102 can be a vertical façade, and can also be disposed obliquely.
  • the specific shape thereof can also be flexibly set, for example, a plurality of columns.
  • the shape of the baffle 103 can also be set as needed, the principle of which is similar to that of the bottom plate 101.
  • the structure of the accommodating groove 104 is not fixed.
  • the accommodating groove 104 is U-shaped.
  • the accommodating groove 104 may be disposed in other shapes, which is not limited herein. Therefore, the present invention does not limit the internal structure and the like of the accommodating unit 10 without affecting the function of accommodating and fixing the optical member 30.
  • the bottom plate 101 may be provided with a recessed area 105 at the junction with the first side wall 102, and the bottom plate 101 is not in contact with the optical member 30 at the recessed area 105, so that A heat dissipation space is formed in the recessed area 105.
  • a first cushion 50 is disposed between the optical member 30 and the baffle 103. Since the role of the cushion (protecting and positioning the optical member 30) is well known to those skilled in the art, no further details are provided herein. In other embodiments, the optical member 30 may be protected and positioned in other manners (such as the baffle 103 made of a flexible material), which is not limited herein.
  • the optical component 30 is received and fixed by the accommodating groove 104 of the accommodating unit 10.
  • This embodiment can eliminate the plastic frame component, thereby further reducing the cost of the backlight module and the liquid crystal display device on the basis of convenient assembly.
  • the positioning unit 20 is disposed on the accommodating unit 10, and the positioning unit 20 includes a second side wall 201 and a pressure cover 202.
  • the second side wall 201 is used for connecting the gland plate 202 and the baffle 103. Specifically, the bottom end of the second side wall 201 is connected to the baffle 103, and the top end of the second side wall 201 is connected to the gland plate 202. .
  • the gland plate 202, the second side wall 201, and the baffle 103 collectively form a positioning groove 203 to receive and fix the liquid crystal panel 40.
  • the structure, shape and the like of the second side wall 201 and the pressing cover 202 can be flexibly set.
  • the second side wall 201 is disposed as a plurality of uprights to connect the gland plate 202 and the baffle 103.
  • the second side wall 201 can also be disposed obliquely; and the gland plate 202 is disposed as a plurality of strip-shaped short plates.
  • the liquid crystal panel 40 is capped.
  • the present invention does not limit the structure, shape, and the like of the second side wall 201 and the gland plate 202 without affecting its function.
  • a second cushion 60 is disposed between the liquid crystal panel 40 and the baffle 103, and a third cushion 70 is disposed between the liquid crystal panel 40 and the gland plate 202, and functions and principles are used.
  • the first cushion 50 is similar, so it will not be described here. It will be readily understood that the second cushion 60 and the third cushion 70 are also not an integral part of the present invention.
  • a first buffer space (not labeled) is disposed between the optical member 30 and the first sidewall 102, that is, the side of the optical member 30 is spaced apart from the first sidewall 102.
  • a second buffer space (not labeled) is also disposed between the liquid crystal panel 40 and the second sidewall 201.
  • the first buffer space and the second buffer space both function to protect the optical panel (optical member 30 or liquid crystal panel 40), such as preventing the sidewall from causing wear or damage to the optical panel when the liquid crystal display device vibrates, as belonging to the field.
  • the contents well known to the skilled person are not described here.
  • the first side wall (such as rubber) or the like can be made by using a flexible material, which is not limited herein.
  • the positioning unit 20 is plural, and the plurality of positioning units 20 are disposed on the baffle 103 of the accommodating unit 10 at intervals.
  • the bottom plate 101 and the baffle 103 are both elongated, and the four positioning units 20 are spaced apart at different positions of the baffle 103.
  • the specific number of positioning units 20 is not limited. It is easily conceivable that the positioning units 20 arranged at intervals may be four, or may be three, five or the like, or even one. Similarly, the positioning unit 20 is also not limited in size. For example, the positioning unit 20 in FIG. 2 can completely extend along the baffle 103 to cover a larger range. In particular, the positioning unit 20 can be an integrally formed elongated structure that extends to both ends of the baffle 103.
  • the plurality of engaging members are sequentially connected end to end to form a complete "back frame frame".
  • the four engaging components are connected end to end to form a "Back frame”.
  • the number and shape of the engaging members can also be set in other manners, for example, the two L-shaped engaging members are combined to form a "back frame frame", which is not limited by the present invention.
  • the backplate assembly also includes a support component 80 that is disposed below the optical component 30 to support the optical component 30.
  • the support members 80 are two, and the two support members 80 are spaced apart. Both ends of the support member 80 are respectively connected to the bottom plate 101 of the different engaging members.
  • the support member 80 can also be arranged in other forms.
  • the support member 80 is disposed as a panel (same size and shape) corresponding to the optical member 30, and the support member 80 is interposed between the optical member 30 and the bottom plate 101 to support the optical member 30; or the support member 80 is provided as a plurality of thin columns, and is arranged at intervals on the engaging member like the supporting member 80 in FIG. 3; or the supporting member 80 is provided as a panel and fixed under the bottom plate 101, and then at the supporting member 80
  • the central portion is provided with a raised portion to support the optical member 30; the support member 80 can also be arranged in a "ten" or "well” shape. Therefore, any size, shape, or arrangement of any support member 80 that is considered by those skilled in the art without any inventive effort is within the scope of the present invention.
  • the liquid crystal display device includes an engaging member, a supporting member 80, an optical member 30, and a liquid crystal panel 40. It must be noted that the following assembly process is only one of them, and does not represent the entire contents of the embodiment.
  • optical component 30 and the liquid crystal panel 40 are assembled, and four engaging members and two supporting members 80 are prepared;
  • the two support members 80 are mounted so as to straddle the two pairs of sides of the U-shaped "back frame";
  • the optical member 30 and the liquid crystal panel 40 are sequentially inserted along the opening of the U-shaped "back frame", and the optical member 30 is engaged with the receiving groove 104 to connect the liquid crystal panel 40 to the positioning groove 203. ;
  • the remaining one of the engaging members is connected to the opening of the U-shaped "back frame” and is respectively engaged with the optical member 30 and the liquid crystal panel 40, thereby forming a complete liquid crystal display device.
  • the engaging component mainly includes the accommodating unit 10 and the positioning unit 20, and the accommodating groove 104 of the accommodating unit 10 is used for accommodating and fixing the optical component 30, and the positioning of the positioning unit 20
  • the slot 203 is for receiving and fixing the liquid crystal panel 40.
  • a backlight module comprising an optical component and a backplane assembly as described above.
  • the optical component is a laminated light guide plate and an optical film.
  • the optical film is placed above the light guide plate, and the light guide plate functions to support the optical film.
  • the backboard assembly includes an engaging component, and the receiving groove of the accommodating unit of the engaging component is engaged with the side of the optical component to fix the optical component. Since the specific structure of the backplane assembly has been described in detail in the previous embodiment, it will not be described again. The manner in which the backing plate assembly and the optical member are combined has also been described above, and thus will not be repeatedly described herein.
  • the backlight module of the present embodiment includes the backplane assembly of the previous embodiment.
  • the backlight module of the embodiment also has the features of low cost and convenient assembly, that is, the backplane assembly can facilitate assembly.
  • the cost of the backlight module and the entire liquid crystal display device can be significantly reduced.
  • a liquid crystal display device comprising a liquid crystal panel and a backlight module in the previous embodiment.
  • the backboard assembly includes an engaging component, and the positioning groove of the positioning unit in the engaging component is engaged with the side of the liquid crystal panel to fix the liquid crystal panel. Since the specific structure of the backplane component and the backlight module has been described in detail in the foregoing, it will not be described herein.
  • the liquid crystal display device can significantly reduce the cost of the liquid crystal display device while facilitating the mounting process.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

提供了一种液晶显示装置及其背光模组和背板组件。该背板组件包括卡合部件，而卡合部件又包括容置单元（10）和定位单元（20）。其中，容置单元（10）包括底板（101）、挡板（103）以及第一侧壁（102），底板（101）、第一侧壁（102）和挡板（103）共同形成容置槽（104）以容置并固定光学部材（30）。定位单元（20）包括压盖板（202）以及第二侧壁（201），压盖板（202）、第二侧壁（201）和挡板（103）共同形成定位槽（203）以容置并固定液晶面板（40）。通过采用卡合部件来替代前框和胶框两个部件，有效地降低了生产成本。

Description

液晶显示装置及其背光模组和背板组件
【技术领域】
本发明涉及液晶显示领域，具体是涉及一种液晶显示装置及其背光模组和背板组件。
【背景技术】
液晶显示器是一种常见的显示装置，众所周知，液晶显示装置是通过背板、前框、胶框、光学部材和液晶面板等组装而成。其中，前框压盖在液晶面板上以防止液晶面板脱落，而胶框则用于容置和固定光学部材并支撑液晶面板。因此，对于现有技术来说，前框和胶框均是液晶显示装置中必不可少的部分。
然而，前框和胶框本身具有较高的制造成本，因此，使用前框和胶框将显著增加整个液晶显示装置的成本。另外，大量的使用前框和胶框也会给生产和安装带来不便。
【发明内容】
本发明实施例主要解决的技术问题是提供一种液晶显示装置及其背光模组和背板组件，并通过该背板组件来替代现有的前框和胶框，从而能够解决由前框和胶框所带来的高成本和组装不便的问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种用于背光模组的背板组件，该背板组件包括卡合部件，卡合部件又包括容置单元和定位单元。容置单元包括底板、第一侧壁和挡板。其中，底板用以承载光学部材；第一侧壁的底端与底板相连接，第一侧壁的顶端与挡板相连接；挡板用以支撑液晶面板。底板、第一侧壁和挡板共同形成容置槽以容置并固定光学部材。定位单元设于容置单元上，且定位单元包括第二侧壁和压盖板；第二侧壁的底端与挡板相连接，第二侧壁的顶端与压盖板相连接；压盖板、第二侧壁和挡板共同形成定位槽以容置并固定液晶面板。
其中，定位单元为多个，且多个定位单元间隔设置在容置单元的挡板上。
其中，卡合部件为多个，且多个卡合部件依序首尾相接。
其中，背板组件进一步包括支撑部件，支撑部件设置于光学部材下方以支撑该光学部材。
其中，支撑部件为多个，多个支撑部件间隔设置，且支撑部件的两端分别与不同的卡合部件的底板相连接。
其中，底板在与第一侧壁的连接处设有凹陷区，以使底板在凹陷区与光学部材之间形成散热空间。
其中，光学部材与第一侧壁之间设有第一缓冲空间，液晶面板与第二侧壁之间设有第二缓冲空间。
其中，光学部材与挡板之间设有第一缓冲垫，以保护和定位光学部材；液晶面板与挡板之间设有第二缓冲垫；晶面板与压盖板之间设有第三缓冲垫。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种背光模组，该背光模组包括光学部材和背板组件。背板组件包括卡合部件，卡合部件包括容置单元和定位单元。其中，容置单元包括底板、第一侧壁和挡板，底板用以承载光学部材，第一侧壁的底端与底板相连接，第一侧壁的顶端与挡板相连接，挡板用以支撑液晶面板，底板、第一侧壁和挡板共同形成容置槽以容置并固定光学部材；定位单元设于容置单元上，定位单元包括第二侧壁和压盖板，第二侧壁的底端与挡板相连接，第二侧壁的顶端与压盖板相连接，压盖板、第二侧壁和挡板共同形成定位槽以容置并固定液晶面板。光学部材为层叠设置的导光板和光学膜片，容置单元的容置槽与光学部材的侧边卡合连接，用以固定光学部材。
其中，定位单元为多个，且多个定位单元间隔设置在容置单元的挡板上。
其中，卡合部件为多个，且多个卡合部件依序首尾相接。
其中，背板组件进一步包括支撑部件，支撑部件设置于光学部材下方以支撑光学部材。
其中，支撑部件为多个，多个支撑部件间隔设置，且支撑部件的两端分别与不同的卡合部件的底板相连接。
其中，底板在与第一侧壁的连接处设有凹陷区，以使底板在凹陷区与光学部材之间形成散热空间。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种液晶显示装置，该液晶显示装置包括液晶面板和上述的背光模组。其中，定位单元的定位槽与液晶面板的侧边卡合连接，用以固定液晶面板。
其中，定位单元为多个，且多个定位单元间隔设置在容置单元的挡板上。
其中，卡合部件为多个，且多个卡合部件依序首尾相接。
其中，背板组件进一步包括支撑部件，支撑部件设置于光学部材下方以支撑光学部材。
其中，支撑部件为多个，多个支撑部件间隔设置，且支撑部件的两端分别与不同的卡合部件的底板相连接。
本发明实施例提供了一种液晶显示装置及其背光模组和背板组件，背板组件设有包括容置单元和定位单元的卡合部件，该卡合部件具有容置和定位光学部材及液晶面板的作用。因此，本发明实施例用卡合部件来替代前框和胶框两个部件，从而通过省去前框和胶框来有效的降低整个背光模组和液晶显示装置的成本。另外，本发明实施例的背板组件也具有结构简单的特征，并给背光模组和液晶显示装置的安装带来便利。
【附图说明】
图1是采用本发明一实施例背板组件的液晶显示装置的部分结构剖视图；
图2是图1所示卡合部件的结构示意图；
图3是本发明一实施例背板组件的结构示意图；
图4是本发明一实施例液晶显示装置的拆解示意图；以及
图5是图4所示液晶显示装置组装示意图。
【具体实施方式】
下面结合附图和实施例，对本发明作进一步的详细描述。特别指出的是，以下实施例仅用于说明本发明，但不对本发明的范围进行限定。基于本发明中的实施例，本领域普通技术人员在没有作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。
请一并参阅图1和图2，在本实施例中，背板组件包括卡合部件，而卡合部件又包括容置单元10和定位单元20。下面分别介绍容置单元10和定位单元20的具体结构。
容置单元10包括底板101、第一侧壁102和挡板103。其中，底板101用以承载光学部材30，即光学部材30可以水平放置在底板101上。第一侧壁102用以连接底板101和挡板103，具体来说，第一侧壁102的底端与底板101相连接，第一侧壁102的顶端与挡板103相连接。挡板103主要有两个作用，其一是压盖光学部材30，其二是支撑液晶面板40。可以看出，底板101、第一侧壁102和挡板103共同形成容置槽104，用以容置并固定光学部材30。
值得一提的是，卡合部件以及其中的容置单元10均不限于图中所示的结构。具体来说，底板101的形状并不限于长方形，其完全可以设置成梯形或圆弧形，或者设置成多个长板，只要能支撑光学部材30即可。第一侧壁102可以为垂直立面，还可以倾斜设置，只要能固定连接底板101和挡板103即可，其具体形状也可以灵活设置，比如设置成多条立柱。挡板103的形状也可以根据需要进行设置，其原理和底板101类似。
显然，由于底板101、第一侧壁102和挡板103可以根据需要灵活设置，因此，容置槽104的结构也不是固定不变的。本实施例中，容置槽104为U型，在其他实施例中，容置槽104也可以设置成其它形状，这里不作限定。因此，在不影响其收容并固定光学部材30的功能的情况下，本发明不对容置单元10的内部结构等特征进行限定。
进一步的说，在容置单元10中，底板101在与第一侧壁102的连接处可以设有凹陷区105，且底板101在凹陷区105处并不与光学部材30相接触，这样，便在凹陷区105形成了散热空间。
在本实施例中，光学部材30与挡板103之间设有第一缓冲垫50。由于缓冲垫的作用（保护和定位光学部材30）属于本领域技术人员所熟知的内容，这里不作赘述。在其它实施例中，也可以采取其他方式保护和定位光学部材30（如采用柔性材料制作挡板103），这里不作限定。
通过容置单元10的容置槽104来收容并固定光学部材30，本实施例即可省去胶框部件，从而在组装方便的基础上，进一步降低了背光模组及液晶显示装置的成本。
定位单元20设于容置单元10上，且定位单元20包括第二侧壁201和压盖板202。第二侧壁201用以连接压盖板202和挡板103，具体来说，第二侧壁201的底端与挡板103相连接，第二侧壁201的顶端与压盖板202相连接。压盖板202、第二侧壁201和挡板103共同形成定位槽203以容置并固定液晶面板40。
值得一提的是，第二侧壁201和压盖板202的结构、形状等特征可以灵活的进行设置。比如：将第二侧壁201设置成多根立柱以连接压盖板202和挡板103，同时，第二侧壁201也可以倾斜设置；将压盖板202设置成多个条状短板用以压盖液晶面板40。在不影响其功能的情况下，本发明不对第二侧壁201和压盖板202的结构、形状等特征进行限定。
在本实施例中，液晶面板40与挡板103之间设有第二缓冲垫60，液晶面板40与压盖板202之间设有第三缓冲垫70，由于其功能、原理等特征均与第一缓冲垫50类似，故这里不作赘述。很容易理解的是，第二缓冲垫60和第三缓冲垫70也不是本发明的必要组成部分。
另外，光学部材30与第一侧壁102之间设有第一缓冲空间（未标示），也就是说，光学部材30的侧边与第一侧壁102相间隔。同样的，液晶面板40与第二侧壁201之间也设有第二缓冲空间（未标示）。第一缓冲空间和第二缓冲空间均具有保护光学面板（光学部材30或液晶面板40）的作用，如在液晶显示装置震动的时候，防止侧壁对光学面板造成磨损或伤害，由于属于本领域技术人员所熟知的内容，这里不作赘述。
除了设置缓冲空间以保护光学面板外，还可以通过其他方式来实现，如采用柔性材料制作第一侧壁（比如橡胶）等，在此不作限定。
在本实施例中，定位单元20为多个，且多个定位单元20间隔设置在容置单元10的挡板103上。从图2中可以清楚地看到，底板101和挡板103均为长条状，而四个定位单元20则间隔设置在挡板103的不同位置上。
值得一提的是，定位单元20的具体数量并没有任何限制。很容易想到，间隔设置的定位单元20可以是4个，也可以是3个、5个等其它数量，甚至还可以是1个。同样的，定位单元20大小也没有任何限定，比如图2中的定位单元20完全可以沿挡板103进行延伸，以覆盖更大的范围。特别的，定位单元20可以是一个一体成型的长条结构，并延伸至挡板103两端。
请参阅图3，在本实施例中，卡合部件也为多个，且多个卡合部件依序首尾相接，以形成一个完整的“背框框架”。具体地说，4个卡合部件依序首尾相接，以组成一个 “背框框架”。在其它实施例中，卡合部件的数量和形状也可以采取其它设置方式，比如2个L型卡合部件共同组成一个 “背框框架”，本发明对此不作限定。
除了卡合部件外，背板组件还包括支撑部件80，支撑部件80设置在光学部材30的下方，以支撑光学部材30。在本实施例中，支撑部件80为两个，且两个支撑部件80间隔设置。支撑部件80的两端分别与不同的卡合部件的底板101相连接。
不难理解的是，支撑部件80还可以采用其它形式进行设置。例如：将支撑部件80设置成一个与光学部材30相对应的面板（大小、形状一致），并将支撑部件80夹设在光学部材30与底板101之间以支撑光学部材30；或者将支撑部件80设置成多个细柱，并像图3中的支撑部件80一样，间隔排列在卡合部件上；或者是将支撑部件80设置成一面板并固定在底板101的下方，然后在支撑部件80的中心区域设置凸起部来支撑光学部材30；还可以将支撑部件80设置成“十”字形或“井”字形的排列方式。因此，本领域技术人员在不付出创造性劳动的情况下所想到的任何支撑部件80的大小、形状或排列方式等特征，均属于本发明的保护范围。
请参阅图4和图5，为了方便理解，下面简单的描述一下本实施例中液晶显示装置的组装过程。在本实施例中，液晶显示装置包括卡合部件、支撑部件80、光学部材30和液晶面板40。必须指出的是，以下组装过程仅仅是其中的一种方式，而不代表本实施例的全部内容。
首先，准备好需要组装的光学部材30和液晶面板40，以及四个卡合部件、两个支撑部件80；
其次，将其中三个卡合部件连接并组装成U型的不完整的“背框框架”；
再次，安装两个支撑部件80，使其横跨在U型“背框框架”的两对边上；
接着，依次将光学部材30和液晶面板40沿着U型“背框框架”的开口处***，并使光学部材30与容置槽104卡合连接、使液晶面板40与定位槽203卡合连接；
最后，将剩下一个卡合部件与U型“背框框架”的开口处连接，并分别与光学部材30和液晶面板40卡合连接，从而形成一个完整的液晶显示装置。
在本发明的第一实施例中，卡合部件主要包括容置单元10和定位单元20，且容置单元10的容置槽104用以容置并固定光学部材30，而定位单元20的定位槽203则用以容置并固定液晶面板40。这样，利用本发明第一实施例的卡合部件和支撑部件80所形成的背板组件，就可以省去前框和胶框两个部件，从而显著的降低了背光模组和整个液晶显示装置的成本。同时，由于本发明第一实施例的卡合部件结构简单、制造方便，因此，采用该卡合部件还可以为背光模组和液晶显示装置的组装带来极大的便利。
在本发明的另一实施例中，还提供一种背光模组，该背光模组包括光学部材和如前所述的背板组件。其中，光学部材为层叠设置的导光板和光学膜片，一般而言，光学膜片放置在导光板的上方，导光板起支撑光学膜片的作用。背板组件包括卡合部件，卡合部件中容置单元的容置槽与光学部材的侧边卡合连接，以固定光学部材。由于背板组件的具体结构已经在前一实施例中进行了详细的描述，在此不再赘述。而背板组件与光学部材的配合方式也在前面进行了说明，故这里不作重复说明。
本实施例的背光模组包括了前一实施例中的背板组件，显然，本实施例的背光模组也具有低成本和组装便利的特征，即该背板组件能够为组装带来便利，且可以显著的降低背光模组和整个液晶显示装置的成本。
在本发明的第三实施例中，还提供一种液晶显示装置，该液晶显示装置包括液晶面板和前一实施例中的背光模组。其中，背板组件包括卡合部件，卡合部件中定位单元的定位槽与液晶面板的侧边卡合连接，以固定液晶面板。由于背板组件和背光模组的具体结构已经在前文中进行了详细的描述，故在此不作赘述。
不难理解，由于该液晶显示装置配备了前文中所描述的背光模组或背板组件，故该液晶显示装置能够在给安装过程带来便利的同时，显著降低液晶显示装置的成本。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (19)

  1. 一种用于背光模组的背板组件，其中，所述背板组件包括卡合部件，所述卡合部件包括：
    容置单元，所述容置单元包括底板、第一侧壁和挡板，所述底板用以承载光学部材，所述第一侧壁的底端与所述底板相连接，所述第一侧壁的顶端与所述挡板相连接，所述挡板用以支撑液晶面板，所述底板、所述第一侧壁和所述挡板共同形成容置槽以容置并固定所述光学部材；
    定位单元，所述定位单元设于所述容置单元上，所述定位单元包括第二侧壁和压盖板，所述第二侧壁的底端与所述挡板相连接，所述第二侧壁的顶端与所述压盖板相连接，所述压盖板、所述第二侧壁和所述挡板共同形成定位槽以容置并固定所述液晶面板。
  2. 根据权利要求1所述的背板组件，其中，所述定位单元为多个，且多个所述定位单元间隔设置在所述容置单元的所述挡板上。
  3. 根据权利要求1所述的背板组件，其中，所述卡合部件为多个，且多个所述卡合部件依序首尾相接。
  4. 根据权利要求3所述的背板组件，其中，所述背板组件进一步包括支撑部件，所述支撑部件设置于所述光学部材下方以支撑所述光学部材。
  5. 根据权利要求4所述的背板组件，其中，所述支撑部件为多个，多个所述支撑部件间隔设置，且所述支撑部件的两端分别与不同的所述卡合部件的所述底板相连接。
  6. 根据权利要求1所述的背板组件，其中，所述底板在与所述第一侧壁的连接处设有凹陷区，以使所述底板在所述凹陷区与所述光学部材之间形成散热空间。
  7. 根据权利要求1所述的背板组件，其中，所述光学部材与所述第一侧壁之间设有第一缓冲空间，所述液晶面板与所述第二侧壁之间设有第二缓冲空间。
  8. 根据权利要求1所述的背板组件，其中，所述光学部材与所述挡板之间设有第一缓冲垫，以保护和定位所述光学部材；所述液晶面板与所述挡板之间设有第二缓冲垫，所述液晶面板与所述压盖板之间设有第三缓冲垫。
  9. 一种背光模组，其特征在于，所述背光模组包括光学部材和背板组件，所述背板组件包括卡合部件，所述卡合部件包括：
    容置单元，所述容置单元包括底板、第一侧壁和挡板，所述底板用以承载所述光学部材，所述第一侧壁的底端与所述底板相连接，所述第一侧壁的顶端与所述挡板相连接，所述挡板用以支撑液晶面板，所述底板、所述第一侧壁和所述挡板共同形成容置槽以容置并固定所述光学部材；
    定位单元，所述定位单元设于所述容置单元上，所述定位单元包括第二侧壁和压盖板，所述第二侧壁的底端与所述挡板相连接，所述第二侧壁的顶端与所述压盖板相连接，所述压盖板、所述第二侧壁和所述挡板共同形成定位槽以容置并固定所述液晶面板；
    所述光学部材为层叠设置的导光板和光学膜片，所述容置单元的所述容置槽与所述光学部材的侧边卡合连接，用以固定所述光学部材。
  10. 根据权利要求9所述的背光模组，其中，所述定位单元为多个，且多个所述定位单元间隔设置在所述容置单元的所述挡板上。
  11. 根据权利要求9所述的背光模组，其中，所述卡合部件为多个，且多个所述卡合部件依序首尾相接。
  12. 根据权利要求11所述的背光模组，其中，所述背板组件进一步包括支撑部件，所述支撑部件设置于所述光学部材下方以支撑所述光学部材。
  13. 根据权利要求12所述的背光模组，其中，所述支撑部件为多个，多个所述支撑部件间隔设置，且所述支撑部件的两端分别与不同的所述卡合部件的所述底板相连接。
  14. 根据权利要求9所述的背光模组，其中，所述底板在与所述第一侧壁的连接处设有凹陷区，以使所述底板在所述凹陷区与所述光学部材之间形成散热空间。
  15. 一种液晶显示装置，其特征在于，所述液晶显示装置包括液晶面板和根据权利要求9所述的背光模组，所述定位单元的所述定位槽与所述液晶面板的侧边卡合连接，用以固定所述液晶面板。
  16. 根据权利要求15所述的液晶显示装置，其中，所述定位单元为多个，且多个所述定位单元间隔设置在所述容置单元的所述挡板上。
  17. 根据权利要求15所述的液晶显示装置，其中，所述卡合部件为多个，且多个所述卡合部件依序首尾相接。
  18. 根据权利要求17所述的液晶显示装置，其中，所述背板组件进一步包括支撑部件，所述支撑部件设置于所述光学部材下方以支撑所述光学部材。
  19. 根据权利要求18所述的背光模组，其中，所述支撑部件为多个，多个所述支撑部件间隔设置，且所述支撑部件的两端分别与不同的所述卡合部件的所述底板相连接。
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