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WO2016061831A1 - 液晶显示装置及其背光模组 - Google Patents

液晶显示装置及其背光模组 Download PDF

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Publication number
WO2016061831A1
WO2016061831A1 PCT/CN2014/089709 CN2014089709W WO2016061831A1 WO 2016061831 A1 WO2016061831 A1 WO 2016061831A1 CN 2014089709 W CN2014089709 W CN 2014089709W WO 2016061831 A1 WO2016061831 A1 WO 2016061831A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical film
backlight module
blocking
extension
plastic frame
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.)
Ceased
Application number
PCT/CN2014/089709
Other languages
English (en)
French (fr)
Inventor
萧宇均
阙成文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US14/406,214 priority Critical patent/US20160259120A1/en
Publication of WO2016061831A1 publication Critical patent/WO2016061831A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • 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
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular to a liquid crystal display device and a backlight module thereof, which realize positioning of an optical film set under a thin design.
  • the backlight module of the liquid crystal display device mainly comprises a light source, a plastic frame, a back plate, a light guide plate and an optical film group, wherein the light guide plate is disposed on the lower side of the plastic frame facing the back plate, and the optical film group is disposed on the plastic frame On the side, the light guide plate is used to convert the point light source into a surface light source for display, and the optical film set is used to make the light uniform and improve the display brightness.
  • the optical film set itself is very soft and fragile. In order to prevent the optical film set from being damaged due to misalignment and jumping during assembly and handling, the industry generally adopts the upper type shown in Figure 1 and the lower type shown in Figure 2.
  • the optical film set is positioned. As shown in FIG. 1 , the positioning of the optical film set 11 is achieved by the engagement of the ear straps 111 of the optical film set 11 and the hooks 121 fixed on the back plate 12; as shown in FIG. 2, through the optical film
  • the positioning of the optical film set 21 is achieved by the engagement of the ear straps 211 of the group 21 with the hooks 221 provided on the plastic frame 22.
  • the extension portion of the plastic frame bearing display panel is disposed above and below the optical film group, in the thickness direction of the liquid crystal display device, the thickness T of the extension portion of the plastic frame is unavoidable, which is disadvantageous for the liquid crystal display device. Thin design.
  • the technical problem to be solved by the embodiments of the present invention is to provide a liquid crystal display device and a backlight module thereof, which realize the positioning of the optical film set and facilitate the thin design of the liquid crystal display device.
  • a technical solution adopted by the present invention is to provide a backlight module, including a light source, a back plate, and a light guide plate, a plastic frame and an optical film group, which are sequentially disposed above the back plate, and an optical film group.
  • the at least one hanging ear portion includes an inverting portion extending from an edge of the optical film group toward the plastic frame and an extending portion connected to the barb portion; the plastic frame extending toward the light guiding plate has a connected first bearing portion and
  • the second bearing portion is provided with a receiving groove and a blocking portion.
  • the second bearing portion is configured to carry the display panel and abut the first bearing portion.
  • the bottom surface of the receiving groove is higher than the optical film group.
  • the plane of the main body portion is such that an angle between the back hook portion and the extending portion is not equal to zero; wherein the blocking portion is formed with a first slotted opening communicating with the receiving groove, and the extending portion is disposed through The first slotted opening and the hook portion are received in the receiving slot, the blocking portion prevents the hook portion from moving toward the light guide plate, and the blocking portion includes two opposite blocking blocks, and the first blocking block forms a first Slotted, and the blocking part is integrated with the plastic frame Structure; backlight module further includes a pressure holding sheet, pressing the sheet holding pressure holding undercut portions in accommodating recess.
  • the edge of the optical film group abuts the second bearing portion.
  • extension portion comprises a first extension portion and a second extension portion connected, the first extension portion is connected to the barb portion, the second extension portion is connected to the edge of the optical film group, and the second extension portion is connected with the optical film
  • the body portions of the group are on the same plane.
  • the second carrying portion is provided with a second slotted opening, and the second slotted opening is in communication with the first slotted opening and the receiving slot, and the second extending portion is disposed through the second slotted opening.
  • the edge of the optical film group abuts the first bearing portion.
  • a backlight module including a light source, a back plate, and a light guide plate, a plastic frame, and an optical film group, which are sequentially disposed above the back plate, and an optical film.
  • the set includes at least one hanging ear portion, and the hanging ear portion includes an inverted hook portion extending from an edge of the optical film group toward the plastic frame and an extending portion connected to the back hook portion; the plastic frame extends toward the light guiding plate and has a connected first bearing portion And a second carrying portion, the first carrying portion is provided with a receiving groove and a blocking portion, wherein the second carrying portion is configured to carry the display panel and abut against the first bearing portion; wherein the blocking portion is formed and received
  • the first slot is connected to the slot, the extension portion is disposed in the first slot and the hook portion is received in the receiving slot, and the blocking portion prevents the hook portion from moving toward the light guide plate.
  • the backlight module further includes a pressing piece, and the pressing piece presses the barb portion in the receiving groove.
  • the bottom surface of the accommodating groove is higher than the plane of the main body portion of the optical film group, so that an angle between the barb portion and the extending portion is not equal to zero.
  • the edge of the optical film group abuts the second bearing portion.
  • extension portion comprises a first extension portion and a second extension portion connected, the first extension portion is connected to the barb portion, the second extension portion is connected to the edge of the optical film group, and the second extension portion is connected with the optical film
  • the body portions of the group are on the same plane.
  • the second carrying portion is provided with a second slotted opening, and the second slotted opening is in communication with the first slotted opening and the receiving slot, and the second extending portion is disposed through the second slotted opening.
  • the edge of the optical film group abuts the first bearing portion.
  • the blocking portion includes two blocking blocks disposed opposite to each other, and the first notching opening is formed between the two blocking blocks, and the blocking portion and the plastic frame are integrally formed.
  • the hanging ear portion is T-shaped along a direction perpendicular to the light guide plate and facing the back plate.
  • a liquid crystal display device including a front frame, a display panel, and a backlight module.
  • the backlight module includes a light source and a back plate, and is sequentially disposed above the back plate.
  • the light guide plate, the plastic frame and the optical film set, the optical film set includes at least one hanging ear portion, and the hanging ear portion includes an inverted hook portion extending from the edge of the optical film group toward the plastic frame and an extension connected to the barb portion a plastic frame extending toward the light guide plate has a first receiving portion and a second receiving portion.
  • the first bearing portion is provided with a receiving groove and a blocking portion, and the second bearing portion is configured to carry the display panel and make the first
  • the receiving portion is abutted; wherein the blocking portion is formed with a first slotted opening communicating with the receiving slot, the extending portion is disposed in the first slotted opening, and the barb portion is received in the receiving slot, and the blocking portion blocks The hook moves toward the light guide plate.
  • the backlight module further includes a pressing piece, and the pressing piece presses the barb portion in the receiving groove.
  • the bottom surface of the accommodating groove is higher than the plane of the main body portion of the optical film group, so that an angle between the barb portion and the extending portion is not equal to zero.
  • the blocking portion includes two blocking blocks disposed opposite to each other, and the first notching opening is formed between the two blocking blocks, and the blocking portion and the plastic frame are integrally formed.
  • the hanging ear portion is T-shaped along a direction perpendicular to the light guide plate and facing the back plate.
  • the embodiment of the present invention has the beneficial effects that the embodiment includes a barb portion and an extension portion of the at least one ear strap of the optical film group, and the first carrier portion of the plastic frame is disposed on the first carrier portion of the plastic frame
  • the accommodating groove is matched with the blocking portion, wherein the extending portion is disposed in the first grooving opening, the barb portion is received in the accommodating groove, and the blocking portion prevents the barb portion from moving toward the light guide plate, thereby preventing the optical film group from being Misalignment occurs during assembly and handling to achieve positioning of the optical film set.
  • the second carrying portion is configured to carry the display panel and abut the first bearing portion, thereby reducing the thickness of the plastic frame portion of the display panel, that is, the thickness of the first bearing portion, which is beneficial to the backlight module and the liquid crystal display device. Thin design.
  • FIG. 1 is a cross-sectional view showing the structure of a backlight module of a first embodiment of the prior art
  • FIG. 2 is a cross-sectional view showing the structure of a backlight module of a second embodiment of the prior art
  • FIG. 3 is a cross-sectional view showing the structure of a backlight module in accordance with a preferred embodiment of the present invention.
  • FIG. 4 is a partial exploded view of the backlight module of FIG. 3;
  • FIG. 5 is a schematic view showing the positioning of an optical film set of the backlight module shown in FIG. 3;
  • Fig. 6 is a cross-sectional view showing the structure of a liquid crystal display device having the backlight module shown in Fig. 3.
  • FIG. 3 is a cross-sectional view showing a backlight module of the preferred embodiment of the present invention
  • FIG. 4 is a partial exploded view of the backlight module of FIG. 3
  • FIG. 5 is a schematic view showing the positioning of the optical film assembly of the backlight module of FIG.
  • the backlight module 10 of the present embodiment includes at least a back plate 11 and a reflective sheet 20 , a light guide plate 12 , a bezel 13 , and an optical film set 14 disposed on the back plate 11 . among them:
  • the optical film group 14 refers to one or more optical films capable of making the light emitted from the light-emitting surface of the light guide plate 12 uniform and improving the display brightness.
  • the optical film set 14 of the embodiment of the present invention includes at least one ear strap 141 including an edge of the optical film set 14 , that is, an edge of the main body portion of the optical film set 14 , extending toward the plastic frame 13 .
  • the hook portion 142 and the extension portion 143 connected to the hook portion 142 are provided.
  • the first carrier portion 131 and the second carrier portion 132 are connected to each other, and the top surface of the first carrier portion 131 is higher than the second portion.
  • the top surface of the first carrying portion 131 is provided with a receiving groove 133 and a blocking portion 134.
  • the second carrying portion 132 is configured to carry the display panel of the liquid crystal display device and abut the display panel with the first carrying portion 131.
  • the blocking portion 134 is formed with a first slot 135 that communicates with the receiving slot 133.
  • the extending portion 143 is disposed in the first slot 135, and the hook portion 142 is received in the slot In the groove 133, the blocking portion 134 prevents the barb portion 142 from moving toward the light guide plate 12, thereby realizing the positioning of the entire optical film group 14, and preventing the optical film group 14 from being misaligned during assembly and transportation. .
  • the backlight module 10 of the embodiment of the present invention enables the display panel to be carried at the same time due to the arrangement of the first carrying portion 131 and the second carrying portion 132.
  • the display panel abuts against the first carrying portion 131, which reduces the thickness of the plastic frame 13 (the first carrying portion 131) carrying the display panel, which is advantageous for the thin design.
  • the backlight module 10 of the embodiment of the present invention further includes a pressing piece 15 that presses the hook portion 142 of the hanging ear portion 141 of the plastic frame 13 to the receiving portion.
  • the pressing piece 15 is preferably a rectangular plate-like structure to reduce the space occupied by the backlight module 10.
  • the plastic frame 13 requires the first carrier portion 131 and the second carrier portion 132 to have a certain thickness, and the depth of the receiving groove 133 and the optical film are set.
  • the thickness of the group 14 is the same or similar, such that the bottom surface of the receiving groove 133 is higher than the plane of the body portion of the optical film group 14, so that an angle between the barb portion 142 and the plane where the extending portion 143 is located is not equal to zero.
  • the angle between the extension portion 143 and the plane where the main body portion of the optical film group 14 and the undercut portion 142 are located has the same angle, that is, the extension portion 143 is at least partially inclined.
  • the edge of the optical film set 14 abuts the second carrying portion 132, and based on this, the extending portion 143 of the optical film set 14 includes the first extending portion 145 and the second extending portion 146 that are connected, Wherein the first extension portion 145 is connected to the barb portion 142, the second extension portion 146 is connected to the edge of the body portion of the optical film group 14, and the second extension portion 146 is on the same plane as the body portion of the optical film group 14. .
  • the plane in which the first extending portion 145 is located has a same angle with the plane in which the second extending portion 146, the main body portion of the optical film group 14 and the undercut portion 142 are located.
  • the second carrying portion 132 of the plastic frame 13 is provided with a second notch 136, and the second notch 136 is in communication with the first notch 135 and the receiving groove 133.
  • the second extending portion 146 is disposed in the second slot 136.
  • the edge of the optical film set 14 abuts the first carrier 131.
  • the second extending portion 146 may not be provided, and only the extending portion 143 may include the first extending portion 145.
  • the backlight module 10 is only one embodiment of the present invention.
  • the blocking portion 134 of the backlight module 10 is provided with two opposite blocking blocks 137 , 138 , and two blocking blocks 137 .
  • the first slot 135 is formed between the two ends 138.
  • Other embodiments may have other designs, and the blocking portion 134 and the frame 13 may or may not be integrally formed.
  • the ear strap portion 141 is T-shaped in this embodiment. In other embodiments, the ear strap portion 141 may be triangular or other regular or irregular shape.
  • the undercut portion 142 and the accommodating groove 133, the inclined first extending portion 145 and the first carrying portion 131, the second extending portion 146 and the second bearing should be the same or similar to ensure the compact structure of the backlight module 10, and further realize the positioning of the optical film group 14.
  • the present invention also provides a liquid crystal display device 60 as shown in FIG. 6, which includes a front frame 61, a display panel 62, and a backlight module (including the backlight module 10) of the above embodiment.
  • the front frame 61 and the back plate (back plate 11) of the backlight module are fixedly fixed to firmly hold the display panel 62, the light guide plate (light guide plate 12) and the optical film group (optical film group 14) on the back.
  • the liquid crystal display device 60 has the advantageous effects of the backlight module 10 described above.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

提供了一种液晶显示装置（60）及其背光模组（10）。背光模组（10）的光学膜片组（14）包括至少一挂耳部（141），挂耳部（141）包括自光学膜片组（14）的边缘朝向胶框（13）延伸的倒勾部（142）及延伸部（143），背光模组（10）的胶框（13）朝向导光板（12）延伸有第一承载部（131）和第二承载部（132），第一承载部（131）上设置有容置槽（133）和阻挡部（134），第二承载部（132）用于承载显示面板（62）并使其与第一承载部（131）相抵接，其中阻挡部（134）上形成有与容置槽（133）连通的第一开槽口（135），延伸部（143）穿设于第一开槽口（135）且倒勾部（142）容置于容置槽（133）中，阻挡部（134）阻止倒勾部（142）朝向导光板（12）移动。通过上述方式，实现了对光学膜片组（14）定位的同时，还有利于液晶显示装置（60）的薄型化设计。

Description

液晶显示装置及其背光模组
【技术领域】
本发明涉及液晶显示技术领域，特别是涉及一种液晶显示装置及其背光模组，实现薄型化设计下对光学膜片组的定位。
【背景技术】
液晶显示装置的背光模组主要包括光源、胶框、背板、导光板和光学膜片组，其中导光板设置于胶框朝向背板的下侧面上，光学膜片组设置于胶框的上侧面上，导光板用于将点光源转换成面光源实现显示，光学膜片组用于使光线均匀并提高显示亮度。
光学膜片组本身材质非常柔软且脆弱，为防止光学膜片组在组装、搬运过程中由于错位和跳脱而发生损坏，业界普遍采用图1所示的上置式和图2所示下置式对光学膜片组进行定位。如图1所示，通过光学膜片组11的挂耳部111与固定于背板12上的挂钩121的卡置配合实现光学膜片组11的定位；如图2所示，通过光学膜片组21的挂耳部211与胶框22上设置的挂钩221的卡置配合实现光学膜片组21的定位。然而，由于胶框承载显示面板的延伸部与光学膜片组上下设置，因此在液晶显示装置的厚度方向上，不可避免的存在一层胶框的延伸部的厚度T，不利于液晶显示装置的薄型化设计。
【发明内容】
有鉴于此，本发明实施例所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，实现对光学膜片组定位的同时，还有利于液晶显示装置的薄型化设计。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种背光模组，包括光源、背板以及依次设置于背板上方的导光板、胶框和光学膜片组，光学膜片组包括至少一挂耳部，挂耳部包括自光学膜片组的边缘朝向胶框延伸的倒勾部及与倒勾部连接的延伸部；胶框朝向导光板延伸有相连的第一承载部和第二承载部，第一承载部上设置有容置槽和阻挡部，第二承载部用于承载显示面板并使其与第一承载部相抵接，容置槽的底面高于光学膜片组的主体部所处的平面，使得倒勾部与延伸部之间具有一角度不等于零的夹角；其中，阻挡部上形成有与容置槽连通的第一开槽口，延伸部穿设于第一开槽口且倒勾部容置于容置槽中，阻挡部阻止倒勾部朝向导光板移动，阻挡部包括相对设置的两个挡挂块，两个挡挂块之间形成第一开槽口，且阻挡部与胶框为一体成型结构；背光模组还包括压持片，压持片将倒勾部压持于容置槽中。
其中，光学膜片组的边缘与第二承载部相抵接。
其中，延伸部包括相连接的第一延伸部和第二延伸部，第一延伸部与倒勾部连接，第二延伸部连接至光学膜片组的边缘，且第二延伸部与光学膜片组的主体部处于同一平面上。
其中，第二承载部上设置有第二开槽口，且第二开槽口与第一开槽口和容置槽连通，第二延伸部穿设于第二开槽口。
其中，光学膜片组的边缘与第一承载部相抵接。
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，包括光源、背板以及依次设置于背板上方的导光板、胶框和光学膜片组，光学膜片组包括至少一挂耳部，挂耳部包括自光学膜片组的边缘朝向胶框延伸的倒勾部及与倒勾部连接的延伸部；胶框朝向导光板延伸有相连的第一承载部和第二承载部，第一承载部上设置有容置槽和阻挡部，第二承载部用于承载显示面板并使其与第一承载部相抵接；其中，阻挡部上形成有与容置槽连通的第一开槽口，延伸部穿设于第一开槽口且倒勾部容置于容置槽中，阻挡部阻止倒勾部朝向导光板移动。
其中，背光模组还包括压持片，压持片将倒勾部压持于容置槽中。
其中，容置槽的底面高于光学膜片组的主体部所处的平面，使得倒勾部与延伸部之间具有一角度不等于零的夹角。
其中，光学膜片组的边缘与第二承载部相抵接。
其中，延伸部包括相连接的第一延伸部和第二延伸部，第一延伸部与倒勾部连接，第二延伸部连接至光学膜片组的边缘，且第二延伸部与光学膜片组的主体部处于同一平面上。
其中，第二承载部上设置有第二开槽口，且第二开槽口与第一开槽口和容置槽连通，第二延伸部穿设于第二开槽口。
其中，光学膜片组的边缘与第一承载部相抵接。
其中，阻挡部包括相对设置的两个挡挂块，两个挡挂块之间形成第一开槽口，且阻挡部与胶框为一体成型结构。
其中，沿垂直于导光板且朝向背板的方向，挂耳部呈T型设置。
为解决上述技术问题，本发明采用的又一个技术方案是：提供一种液晶显示装置，包括前框、显示面板以及背光模组，该背光模组包括光源、背板以及依次设置于背板上方的导光板、胶框和光学膜片组，光学膜片组包括至少一挂耳部，挂耳部包括自光学膜片组的边缘朝向胶框延伸的倒勾部及与倒勾部连接的延伸部；胶框朝向导光板延伸有相连的第一承载部和第二承载部，第一承载部上设置有容置槽和阻挡部，第二承载部用于承载显示面板并使其与第一承载部相抵接；其中，阻挡部上形成有与容置槽连通的第一开槽口，延伸部穿设于第一开槽口且倒勾部容置于容置槽中，阻挡部阻止倒勾部朝向导光板移动。
其中，背光模组还包括压持片，压持片将倒勾部压持于容置槽中。
其中，容置槽的底面高于光学膜片组的主体部所处的平面，使得倒勾部与延伸部之间具有一角度不等于零的夹角。
其中，阻挡部包括相对设置的两个挡挂块，两个挡挂块之间形成第一开槽口，且阻挡部与胶框为一体成型结构。
其中，沿垂直于导光板且朝向背板的方向，挂耳部呈T型设置。
通过上述技术方案，本发明实施例产生的有益效果是：本发明实施例通过光学膜片组的至少一挂耳部包括的倒勾部及延伸部，与胶框的第一承载部上设置有容置槽和阻挡部相配合，其中延伸部穿设于第一开槽口，倒勾部容置于容置槽中且阻挡部阻止倒勾部朝向导光板移动，从而防止光学膜片组在组装、搬运过程中产生错位，实现光学膜片组的定位。同时，第二承载部用于承载显示面板并使其与第一承载部相抵接，降低了承载显示面板的胶框部分，即第一承载部的厚度，有利于背光模组以及液晶显示装置的薄型化设计。
【附图说明】
图1是现有技术中第一实施例的背光模组的结构剖视图；
图2是现有技术中第二实施例的背光模组的结构剖视图；
图3是本发明优选实施例的背光模组的结构剖视图；
图4是图3所示背光模组的局部分解示意图；
图5是图3所示背光模组的光学膜片组的定位示意图；
图6是具有图3所示背光模组的液晶显示装置的结构剖视图。
【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，本发明以下所描述的实施例仅仅是本发明的一部分实施例，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作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
图3是本发明优选实施例的背光模组的结构剖视图，图4是图3所示背光模组的局部分解示意图，图5是图3所示背光模组的光学膜片组的定位示意图。请结合图3~图5所示，本实施例的背光模组10至少包括背板11以及依次设置于背板11上方的反射片20、导光板12、胶框13和光学膜片组14。其中：
光学膜片组14指的是能够使导光板12的出光面发出的光线均匀并提高显示亮度的一个或多个光学膜片。本发明实施例的光学膜片组14包括至少一挂耳部141，该挂耳部141包括自光学膜片组14的边缘，即光学膜片组14的主体部的边缘，朝向胶框13延伸设置的倒勾部142及与倒勾部142连接的延伸部143。
胶框13朝向导光板12的方向延伸设置有第一承载部131和第二承载部132，第一承载部131和第二承载部132相连接且第一承载部131的顶面高于第二承载部132的顶面。另外，第一承载部131的顶面上设置有容置槽133和阻挡部134，第二承载部132用于承载液晶显示装置的显示面板并使显示面板与第一承载部131相抵接。
在本发明实施例中，阻挡部134上形成有与容置槽133连通的第一开槽口135，延伸部143穿设于第一开槽口135中，且倒勾部142容置于容置槽133中，此时阻挡部134阻止倒勾部142朝向导光板12的方向移动，从而实现对整个光学膜片组14的定位，能够防止光学膜片组14在组装、搬运过程中产生错位。
相比较于图1和图2所示现有技术的背光模组，本发明实施例的背光模组10由于第一承载部131和第二承载部132的设置，使得承载显示面板的同时又使显示面板抵接于第一承载部131，降低了承载显示面板的胶框13部分（第一承载部131）的厚度，有利于薄型化设计。
请再次参阅图3~图5所示，本发明实施例的背光模组10还包括压持片15，压持片15将胶框13的挂耳部141的倒勾部142压持于容置槽133中，能够防止光学膜片组14在组装、搬运过程中产生跳脱，从而进一步实现对整个光学膜片组14的定位。本实施例优选压持片15为一矩形的板状结构，以减少在背光模组10中的所占空间。
进一步地，考虑到支撑液晶显示装置的显示面板以及保持自身结构特性，胶框13需要第一承载部131和第二承载部132具有一定的厚度，并且设置容置槽133的深度与光学膜片组14的厚度相同或相近，会使得容置槽133的底面高于光学膜片组14的主体部所处的平面，导致倒勾部142与延伸部143所处平面之间具有一角度不等于零的夹角，本发明实施例优选延伸部143与光学膜片组14的主体部和倒勾部142所处平面之间具有一相同夹角，即延伸部143至少部分倾斜设置。
另外，本实施例优选光学膜片组14的边缘与第二承载部132相抵接，基于此，光学膜片组14的延伸部143包括相连接的第一延伸部145和第二延伸部146，其中第一延伸部145与倒勾部142连接，第二延伸部146连接至光学膜片组14的主体部的边缘，且第二延伸部146与光学膜片组14的主体部处于同一平面上。此时，第一延伸部145所处的平面与第二延伸部146、光学膜片组14的主体部以及倒勾部142三者所处的平面之间分别具有一相同夹角。
对应地，胶框13的第二承载部132上设置有第二开槽口136，且第二开槽口136与第一开槽口135和容置槽133连通。结合图4和图5所示，第二延伸部146穿设于第二开槽口136中，当液晶显示装置的显示面板承载于第二承载部132上时，显示面板的侧面会阻挡第一延伸部145朝向导光板12的方向移动，实现光学膜片组14的定位。
应该理解到，本发明的其他实施例可以设置光学膜片组14的边缘与第一承载部131相抵接。此时，可以不设置第二延伸部146，而仅仅设置延伸部143包括第一延伸部145，当液晶显示装置的显示面板承载于第二承载部132上时，显示面板将光学膜片组14的边缘压持于第二承载部132上，实现光学膜片组14的定位。
请进一步参阅图3，背光模组10仅仅是本发明的其中一个实施例，对于该背光模组10的阻挡部134设置包括相对的两个挡挂块137、138，且两个挡挂块137、138之间形成第一开槽口135，其他实施例可以有其他设计，并且阻挡部134与胶框13可以是一体成型结构也可以不是。其次，对于沿垂直于导光板12且朝向背板11的视线方向，本实施例设置挂耳部141呈T型，其他实施例可以设置挂耳部141呈三角型或其他规则或不规则形状。另外，对于背光模组10中的容置结构的配合，例如倒勾部142与容置槽133、倾斜设置的第一延伸部145与第一承载部131、第二延伸部146与第二承载部132和光学膜片组14的主体部，之间的厚度和高度等尺寸应保持相同或相近，以保证背光模组10的结构紧凑，进一步实现光学膜片组14的定位。
本发明还提供如图6所示的液晶显示装置60，包括前框61、显示面板62以及上述实施例的背光模组（包括背光模组10）。其中，前框61和背光模组的背板（背板11）配合固定，以将显示面板62、导光板（导光板12）和光学膜片组（光学膜片组14）稳固压持于背板上。该液晶显示装置60具有上述背光模组10的有益效果。
再次说明，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，例如各实施例之间技术特征的相互结合，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. 一种背光模组，其中，所述背光模组包括光源、背板以及依次设置于所述背板上方的导光板、胶框和光学膜片组，
    所述光学膜片组包括至少一挂耳部，所述挂耳部包括自所述光学膜片组的边缘朝向所述胶框延伸的倒勾部及与所述倒勾部连接的延伸部；
    所述胶框朝向所述导光板延伸有相连的第一承载部和第二承载部，所述第一承载部上设置有容置槽和阻挡部，所述第二承载部用于承载显示面板并使其与所述第一承载部相抵接，所述容置槽的底面高于所述光学膜片组的主体部所处的平面，使得所述倒勾部与所述延伸部之间具有一角度不等于零的夹角；
    其中，所述阻挡部上形成有与所述容置槽连通的第一开槽口，所述延伸部穿设于所述第一开槽口，且所述倒勾部容置于所述容置槽中，所述阻挡部阻止所述倒勾部朝向所述导光板移动，所述阻挡部包括相对设置的两个挡挂块，所述两个挡挂块之间形成所述第一开槽口，且所述阻挡部与所述胶框为一体成型结构；
    所述背光模组还包括压持片，所述压持片将所述倒勾部压持于所述容置槽中。
  2. 根据权利要求1所述的背光模组，其中，所述光学膜片组的边缘与所述第二承载部相抵接。
  3. 根据权利要求2所述的背光模组，其中，所述延伸部包括相连接的第一延伸部和第二延伸部，所述第一延伸部与所述倒勾部连接，所述第二延伸部连接至所述光学膜片组的边缘，且所述第二延伸部与所述光学膜片组的主体部处于同一平面上。
  4. 根据权利要求3所述的背光模组，其中，所述第二承载部上设置有第二开槽口，且所述第二开槽口与所述第一开槽口和所述容置槽连通，所述第二延伸部穿设于所述第二开槽口。
  5. 根据权利要求1所述的背光模组，其中，所述光学膜片组的边缘与所述第一承载部相抵接。
  6. 一种背光模组，其中，所述背光模组包括光源、背板以及依次设置于所述背板上方的导光板、胶框和光学膜片组，
    所述光学膜片组包括至少一挂耳部，所述挂耳部包括自所述光学膜片组的边缘朝向所述胶框延伸的倒勾部及与所述倒勾部连接的延伸部；
    所述胶框朝向所述导光板延伸有相连的第一承载部和第二承载部，所述第一承载部上设置有容置槽和阻挡部，所述第二承载部用于承载显示面板并使其与所述第一承载部相抵接；
    其中，所述阻挡部上形成有与所述容置槽连通的第一开槽口，所述延伸部穿设于所述第一开槽口，且所述倒勾部容置于所述容置槽中，所述阻挡部阻止所述倒勾部朝向所述导光板移动。
  7. 根据权利要求6所述的背光模组，其中，所述背光模组还包括压持片，所述压持片将所述倒勾部压持于所述容置槽中。
  8. 根据权利要求6所述的背光模组，其中，所述容置槽的底面高于所述光学膜片组的主体部所处的平面，使得所述倒勾部与所述延伸部之间具有一角度不等于零的夹角。
  9. 根据权利要求8所述的背光模组，其中，所述光学膜片组的边缘与所述第二承载部相抵接。
  10. 根据权利要求9所述的背光模组，其中，所述延伸部包括相连接的第一延伸部和第二延伸部，所述第一延伸部与所述倒勾部连接，所述第二延伸部连接至所述光学膜片组的边缘，且所述第二延伸部与所述光学膜片组的主体部处于同一平面上。
  11. 根据权利要求10所述的背光模组，其中，所述第二承载部上设置有第二开槽口，且所述第二开槽口与所述第一开槽口和所述容置槽连通，所述第二延伸部穿设于所述第二开槽口。
  12. 根据权利要求8所述的背光模组，其中，所述光学膜片组的边缘与所述第一承载部相抵接。
  13. 根据权利要求6所述的背光模组，其中，所述阻挡部包括相对设置的两个挡挂块，所述两个挡挂块之间形成所述第一开槽口，且所述阻挡部与所述胶框为一体成型结构。
  14. 根据权利要求6所述的背光模组，其中，沿垂直于所述导光板且朝向所述背板的方向，所述挂耳部呈T型设置。
  15. 一种液晶显示装置，其中，所述液晶显示装置包括前框、显示面板以及背光模组，所述背光模组包括光源、背板以及依次设置于所述背板上方的导光板、胶框和光学膜片组，其中，
    所述光学膜片组包括至少一挂耳部，所述挂耳部包括自所述光学膜片组的边缘朝向所述胶框延伸的倒勾部及与所述倒勾部连接的延伸部；
    所述胶框朝向所述导光板延伸有相连的第一承载部和第二承载部，所述第一承载部上设置有容置槽和阻挡部，所述第二承载部用于承载显示面板并使其与所述第一承载部相抵接；
    所述阻挡部上形成有与所述容置槽连通的第一开槽口，所述延伸部穿设于所述第一开槽口，且所述倒勾部容置于所述容置槽中，所述阻挡部阻止所述倒勾部朝向所述导光板移动。
  16. 根据权利要求15所述的液晶显示装置，其中，所述背光模组还包括压持片，所述压持片将所述倒勾部压持于所述容置槽中。
  17. 根据权利要求15所述的液晶显示装置，其中，所述容置槽的底面高于所述光学膜片组的主体部所处的平面，使得所述倒勾部与所述延伸部之间具有一角度不等于零的夹角。
  18. 根据权利要求15所述的液晶显示装置，其中，所述阻挡部包括相对设置的两个挡挂块，所述两个挡挂块之间形成所述第一开槽口，且所述阻挡部与所述胶框为一体成型结构。
  19. 根据权利要求15所述的液晶显示装置，其中，沿垂直于所述导光板且朝向所述背板的方向，所述挂耳部呈T型设置。
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