WO2014107908A1 - 一种液晶模组及其固定装置 - Google Patents

一种液晶模组及其固定装置 Download PDF

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Publication number
WO2014107908A1
WO2014107908A1 PCT/CN2013/070497 CN2013070497W WO2014107908A1 WO 2014107908 A1 WO2014107908 A1 WO 2014107908A1 CN 2013070497 W CN2013070497 W CN 2013070497W WO 2014107908 A1 WO2014107908 A1 WO 2014107908A1
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WO
WIPO (PCT)
Prior art keywords
optical film
side wall
fixing device
liquid crystal
fixing
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/CN2013/070497
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English (en)
French (fr)
Inventor
张田
萧宇均
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 US13/813,165 priority Critical patent/US9057902B2/en
Publication of WO2014107908A1 publication Critical patent/WO2014107908A1/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
    • G02F1/133308—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
    • G02F1/133325—Assembling processes

Definitions

  • the present invention relates to the field of liquid crystal display technology, and more particularly to a fixing device for an optical film in a liquid crystal module.
  • a fixing device for an optical film in a liquid crystal module BACKGROUND OF THE INVENTION
  • An optical film plays a role in turning a light in a light source into a uniform surface light source in a liquid crystal module.
  • the poorly positioned diaphragm is likely to cause the diaphragm to bend and fall off, and when the environment of the reliability test changes, wrinkles occur.
  • the optical film fixing devices commonly used in the side wall of the backboard mainly include: 1. Tape bonding, as shown in FIG.
  • the tape 40 is connected at the edge of the optical film 30, and the other end is connected to the side wall of the back plate 10. on.
  • This fixing means that the connecting structure is completely defined and has no mobility, so that the optical film 30 is easily bent by the absence of the movable space during the thermal expansion and contraction. Moreover, since the tape 40 is fixed for a long time, it is easy to fall off due to environmental changes.
  • Positioning post 50 As shown in FIG. 2, the positioning post 50 is produced in the backing plate 10 by structural relief and addition, and a through hole is formed in the edge of the optical film 30, so that the through hole is nested in the back through the positioning post. On the board 10.
  • This fixing method can avoid the bending deformation of the optical film 30, but is easily limited by the assembly space of the backing plate, and also limits the narrowing of the backing plate. Summary of the invention
  • the present invention provides a liquid crystal module and a fixing device thereof, which can meet the current trend of narrowing the side wall of the backing plate, and can fix the optical film without bending.
  • the support portion is bonded to the back panel side wall through the adhesive layer.
  • the height of the fixing device is not greater than the height of the side wall of the backboard.
  • the present invention also provides another fixing device for fixing an optical film, the fixing device comprising: an integral portion for connecting with the side wall of the backboard; a bearing portion, the bearing portion and the supporting portion The bottom is connected at an angle, and the angle is between
  • the method further includes a bearing portion that is connected at an angle to the bottom of the support portion, and the included angle is between 80 and 100 degrees.
  • the bearing portion is hinged or welded to the support portion.
  • the carrying portion is riveted or bonded to the back plate.
  • a bottom of the support portion extends a positioning portion, and the positioning portion is flush with the bottom of the bearing portion.
  • the height of the fixing device is not greater than the height of the side wall of the backboard.
  • the present invention also provides a liquid crystal module comprising an optical film and a backing plate with a side wall for supporting the optical film, the optical film comprising a protrusion protruding from an edge of the optical film body
  • a plurality of fixing devices are disposed on the back plate, the fixing device at least comprising: a supporting portion for connecting with the side wall of the backboard; a protruding portion for passing through A through hole of the optical film fixes the optical film to the back plate.
  • the extending portion is provided with a groove on the side wall of the back plate, and the protruding portion protrudes from a bottom side of the groove and corresponds to the groove receiving space.
  • the height of the fixing device is not greater than the height of the side wall of the backboard, and the supporting portion does not protrude from the bottom of the groove.
  • the support portion is bonded to the side wall of the backboard.
  • the bearing portion is hinged or welded to the support portion.
  • the bearing portion is riveted or bonded or welded to the back plate.
  • a bottom of the support portion extends a positioning portion, and the positioning portion is flush with the bottom of the bearing portion.
  • FIG. 1 is a schematic view of an optical film fixing device of the prior art 1.
  • 2 is a schematic view of an optical film fixing device of the prior art 2.
  • 3 is an exploded perspective view of a liquid crystal module according to Embodiment 1 of the present invention.
  • 4 is a schematic view showing the assembly of a liquid crystal module according to Embodiment 1 of the present invention.
  • FIG. 5 is an exploded perspective view of a liquid crystal module according to Embodiment 2 of the present invention.
  • Embodiment 1 As shown in FIG. 3, the present invention provides such a liquid crystal module comprising an optical film 30 and a backing plate 10 with a side wall 11 for supporting the optical film, the optical film 30 comprising An extension 31 protruding from the edge of the main body of the optical film 30 and having a through hole 32 is formed.
  • the fixing device 20 includes: a supporting portion 21, the supporting portion 21 is connected to the side wall 11 of the backboard 10; and a protruding portion 22, wherein the protruding portion 22 is disposed at the top of the supporting portion 21 and is Support
  • the portion 21 is integrally formed to pass through the through hole 32 formed in the extending portion 31 to fix the optical film 30 to the back plate 10.
  • the extending portion 31 corresponding to the optical film 30 is provided with a groove 12 on the side wall 11, and the supporting portion 21 of the fixing device 20 is in close contact with the side wall 11 around the groove 12.
  • the protruding portion 22 protrudes from the bottom side of the groove 12 and corresponds to the receiving space of the groove 12.
  • the support portion 21 is bonded to the side wall 11 of the backing plate 10.
  • the thickness of the adhesive layer 23 is preferably greater than 0.5 mm, for example, a thick double-sided tape, an adhesive layer formed of a strong glue, or the like. Wait.
  • the support portion 21 functions both to position on the side wall 11, and to maintain a firm and stable connection with the side wall 11, and to enhance the hardness of the side wall 11.
  • the area of contact between the support portion 21 and the side wall 11 can also be appropriately increased within a certain range.
  • the support portion 21 can surround the bottom portion and the side portion of the entire groove 12 and be in close contact with the inside of the side wall 11.
  • the area of the adhesive layer 23 remains consistent with the support portion.
  • the size of the fixing device 20 should be controlled within a suitable range, for example, the height thereof is preferably not greater than the distance from the bottom of the groove 12 to the bottom surface 13 of the backing plate 10; and the height of the protruding portion 22 is not higher than the height of the side wall 11, Under the premise of ensuring that it can stably embed the optical film 30 without slipping, it is possible to avoid affecting the installation of other components.
  • the thickness of the fixture 20 for this design is generally between 0.4 and 0.6 mm, and the width of the projection 22 and the support 21 can be determined according to the actual shape of the liquid crystal module.
  • the size of the through hole 32 of the extending portion 31 of the optical film 30 is also matched according to the width and thickness of the protruding portion 22, and has great practicality.
  • a plurality of grooves 12 are preliminarily provided on the side wall 11 corresponding to the extending portion 31 of the optical film 30.
  • the protruding portion 21 of the fixing device 20 is corresponding to the groove 12, and is controlled.
  • the projection 22 is located in the middle of the groove 12 and is not higher than the side wall 11. Then, the support portion 21 to which the double-sided tape is adhered is brought into close contact with the inner side of the side wall 11, and the support portion 21 is fixed to the side wall 11.
  • the extending portion 31 of the optical film 30 is sleeved on the protruding portion 22 through the through hole 32, and the extending portion 31 is embedded in the groove 12, as shown in FIG.
  • the optical film 30 is fixed to the backing plate 10 in a fixing manner.
  • a plurality of such fixing devices can be symmetrically disposed on the side wall of the backing plate according to the size of the liquid crystal module to achieve the function of stably holding the optical film.
  • the fixing device of the embodiment can not only fix the optical film, but also has concealed structure, compact structure, low space occupation, and does not affect the installation of other components, and can also meet the current
  • the fixing device of this embodiment can reduce the thickness of the side wall by 1.5 to 6 mm than the prior art fixing method, and does not reduce the overall strength of the side wall of the backing plate.
  • Embodiment 2 This embodiment differs from Embodiment 1 in that the fixing device 20 is further optimized. As shown in FIG.
  • the fixing device 20 of the present embodiment includes: a support portion 21, the support portion 21 is connected to the side wall 11 of the back plate 10; and a protruding portion 22, wherein the protruding portion 22 is disposed at the The top of the support portion 21 is integrally formed with the support portion 21; and further includes a bearing portion 24 that is connected at an angle to the bottom of the support portion 21, and the included angle is between 80 and 100 degrees.
  • a positioning portion 26 extends from a bottom side of the support portion 21, and the positioning portion 26 is flush with a bottom portion of the bearing portion 24.
  • the extending portion 31 corresponding to the optical film 30 is provided with a groove 12 on the side wall 11, and the supporting portion 21 of the fixing device 20 is in contact with the inside of the side wall 11 around the groove 12,
  • the projection 22 projects from the bottom side of the recess 12 and corresponds to the recess 12 receiving space.
  • the size of the fixing device 20 should be controlled within a suitable range, for example, the height thereof is preferably not greater than the distance from the bottom of the groove 12 to the bottom surface 13 of the backing plate 10; and the height of the protruding portion 22 is not higher than the height of the side wall 11, It can stably embed the optical film 30 without slipping, and avoid affecting the installation of other components.
  • the bearing portion 24 of the embodiment is configured to bear the positioning and connecting function of the fixing device 20 by being connected to the bottom surface 13 of the back plate.
  • the angle between the carrier portion 24 and the support portion 21 is preferably 90°.
  • the back plate 10 at the right angle of the bottom surface 13 and the side wall 11, when the fixing device 20 abuts the side wall 11 and is fixed to the bottom surface 13 of the back plate by the bearing portion 24, the supporting portion 21 and the bearing The 90° angle formed by the portion 24 allows the support portion 21 to be tightly attached to the inside of the side wall 11.
  • the carrying portion 24 can prevent the fixing device 20 from being displaced relative to the backing plate 10, and the supporting portion 21 can maintain the function of the protruding portion 22, and can also strengthen the strength of the side wall 11.
  • the bearing portion 24 and the supporting portion 21 can be connected in various ways, for example, hinged or welded or integrally formed, and only needs to be made according to the angle between the bottom surface 13 of the backing plate and the side wall 11.
  • the connection between the carrying portion 24 and the bottom surface 13 of the backing plate is preferably riveted by the rivet 25, and the fixing device 20 can be flexibly disassembled and assembled by the riveting, thereby facilitating full use; of course, the bearing portion 24 can be fixed by bonding or welding.
  • the area of the support portion 21 may be increased, and an adhesive layer may be added to the support portion 21 to increase the strength of the connection between the fixing device 20 and the backing plate 10.
  • the extension 31 corresponding to the optical film 30 is pre-set on the side wall 11.
  • the plurality of grooves 12 firstly correspond to the protrusions 21 of the fixing device 20 and the grooves 12, and the protrusions 22 are controlled to be located in the middle of the groove 12 and not above the side wall 11.
  • the bearing portion 24 is closely attached to the bottom surface 13 of the back plate, the supporting portion 21 is in close contact with the inner side of the side wall 11, and the rivet 25 is screwed to fix the bearing portion 24 on the bottom surface 13.
  • the connection manner between the fixing device and the back is a purely mechanical or semi-mechanical connection with respect to the tape connection manner, which can avoid the peeling or creeping of the optical film caused by environmental changes, and can increase the repeated removal of the entire liquid crystal module. Suitability; and its compact structure, taking up less space than existing fixtures, does not damage the strength of the backplane.

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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)

Abstract

本发明涉及液晶显示技术领域，尤其是一种用于固定光学膜片（30）的固定装置（20），用于连接光学膜片（30）和背板（10），固定装置（20）至少包括一体连接的：支撑部（21），用于与背板（10）侧墙（11）连接；凸出部（22），用于穿过突伸于光学膜片（30）主体边缘的延伸部（31）上开设的通孔（32），将光学膜片（30）固定于背板（10）上。本发明采用半机械或纯机械与背板（10）的连接方式，不仅能对光学膜片（30）起到固定作用，且设置隐蔽，结构紧凑，能重复拆装；对空间占有率性低；还可以满足目前液晶模组设计中侧墙（11）不断变窄的趋势，同时能防止光学膜片（30）因热胀冷缩而出现弯曲变形等不良现象。

Description

说 明 书
一种液晶模组及其固定装置 技术领域 本发明涉及液晶显示技术领域， 尤其是一种液晶模组中光学膜片的固定装 置。 背景技术 光学膜片在液晶模组中起着使光源中的光进一歩变成均匀面光源的作用. 随着目前液晶模组往侧墙变窄的趋势上发展，膜片的定位越来越受到挑战.定位 不好的膜片容易引起膜片的弯曲、 脱落，在可靠性测试的环境变化的时候， 产生 弯皱的现象。 目前， 在背板侧墙中常用的光学膜片固定装置主要有： 1、 胶带粘贴， 如图 1所示， 胶带 40—端连接在光学膜片 30边缘， 另一端连接在背板 10侧墙上。 这种固定方式使得连接结构被完全限定， 不具有活动性， 因此光学膜片 30在热 胀冷缩的时候容易因没有活动空间而发生弯曲。 而且， 由于胶带 40固定长时间 后容易因为环境的变化发生脱落现象。 2、 定位柱 50。 如图 2所示， 在背板 10 中通过结构上的避让和增加零件产生定位柱 50，并在光学膜片 30边缘开设一通 孔， 使该通孔通过所述定位柱嵌套在所述背板 10上。 这种固定方式可避免光学 膜片 30的弯曲变形， 但容易受到背板组装空间的限制， 也会限制背板的进一歩 变窄。 发明内容
为解决上述问题， 本发明提供一种液晶模组及其固定装置， 能满足目前背 板侧墙不断变窄的趋势， 同时能固定光学膜片而不会出现弯曲现象。 这种用于固定光学膜片的固定装置， 用于连接光学膜片和背板； 所述固定 装置至少包括一体连接的： 支撑部， 用于与所述背板侧墙连接； 凸出部， 用于穿过突伸于所述光学膜片主体边缘的延伸部上开设的通孔， 将所述光学膜片固定于所述背板上； 及粘贴层， 粘贴层与所述支撑部对应， 所 述支撑部通过所述粘贴层与所述背板侧墙粘接。 优选地， 所述固定装置高度不大于所述背板侧墙高度。 本发明还提供另一种固定光学膜片的固定装置， 这种固定装置包括一体连 接的： 支撑部， 用于与所述背板侧墙连接； 承载部， 所述承载部与所述支撑部底部成一夹角连接的， 所述夹角介于
80〜100°之间； 凸出部， 用于穿过突伸于所述光学膜片主体边缘的延伸部上开设的通孔， 将所述光学膜片固定于所述背板上。 优选地， 还包括与所述支撑部底部成一夹角连接的承载部， 所述夹角介于 80〜100°之间。 优选地， 所述承载部与所述支撑部铰接或焊接。 优选地， 所述承载部与所述背板铆接或粘接。 优选地， 所述支撑部底部一侧延伸一定位部， 所述定位部与所述承载部底 部平齐。 优选地， 所述固定装置高度不大于所述背板侧墙高度。 本发明还提供一种液晶模组， 包括光学膜片以及用于承托所述光学膜片的 带侧墙的背板， 所述光学膜片包括突伸于所述光学膜片主体边缘且开设有通孔 的延伸部； 所述背板上设置若干个固定装置， 所述固定装置至少包括一体连接 的： 支撑部， 用于与所述背板侧墙连接； 凸出部， 用于穿过所述光学膜片的通孔将所述光学膜片固定于所述背板上。 优选地， 对应于所述延伸部在所述背板侧墙上设有凹槽， 所述凸出部从所 述凹槽底部一侧伸出且与所述凹槽容纳空间对应。 优选地， 所述固定装置高度不大于所述背板侧墙高度， 所述支撑部不伸出 所述凹槽底部。 优选地， 所述支撑部与所述背板侧墙粘接。 优选地， 还包括与所述支撑部底部成一夹角连接的承载部， 所述夹角介于
80〜100°之间。 优选地， 所述承载部与所述支撑部铰接或焊接。 优选地， 所述承载部与所述背板铆接或粘接或焊接。 优选地， 所述支撑部底部一侧延伸一定位部， 所述定位部与所述承载部底 部平齐。 本发明与现有的固定装置相比， 采用半机械或纯机械与背板的连接方式， 不仅能对光学膜片起到固定作用， 且设置隐蔽， 结构紧凑， 能重复拆装； 对空 间占有率性低， 不影响其他部件安装； 还可以防止光学膜片因热胀冷缩而出现 弯曲变形等不良现象， 同时能满足目前液晶模组设计中侧墙不断变窄的趋势。 本发明比现有技术的固定装置可以减少侧墙 1.5〜6毫米的厚度，并且不减少背板 侧墙的整体强度。 附图说明 图 1是现有技术 1的光学膜片固定装置示意图。 图 2是现有技术 2的光学膜片固定装置示意图。 图 3是本发明实施例 1液晶模组的分解示意图。 图 4是本发明实施例 1液晶模组的组装示意图。 图 5是本发明实施例 2液晶模组的分解示意图。 图 6是本发明实施例 2液晶模组的组装示意图。 具体实施方式 下面， 将结合附图对本发明实施例作详细说明。 实施例 1 如图 3所示， 本发明提供这种液晶模组， 包括光学膜片 30以及用于承托所 述光学膜片的带侧墙 11的背板 10， 所述光学膜片 30包括突伸于所述光学膜片 30主体边缘且开设有通孔 32的延伸部 31。 其中固定装置 20包括： 支撑部 21， 所述支撑部 21与所述背板 10侧墙 11 连接； 以及凸出部 22， 所述凸出部 22配置于所述支撑部 21顶部且与所述支撑 部 21—体成型， 用于穿过所述延伸部 31上开设的通孔 32， 将所述光学膜片 30 固定于所述背板 10上。 在本实施例中， 对应于所述光学膜片 30的延伸部 31在所述侧墙 11上设有 凹槽 12， 固定装置 20的支撑部 21紧贴在该凹槽 12周围的侧墙 11内侧， 所述 凸出部 22从所述凹槽 12底部一侧伸出且与所述凹槽 12容纳空间对应。 其中， 支撑部 21与背板 10侧墙 11粘接， 为保证粘接的稳定性， 粘贴层 23 的厚度优选大于 0.5毫米， 例如， 较厚的双面胶、 强力胶水形成的粘合层等等。 支撑部 21既起到在侧墙 11上定位作用， 也需要保持与该侧墙 11牢固而稳定的 连接， 还具有加强侧墙 11硬度的作用。 支撑部 21与侧墙 11的接触的面积还可 以在一定范围内适当增大， 例如， 支撑部 21可以围绕整个凹槽 12底部及侧部， 紧贴在侧墙 11 内侧。 相应地， 为了达到更佳的技术效果， 粘贴层 23 的面积保 持与所述支撑部一致。 但是， 固定装置 20的大小应控制在适当的范围内， 例如 其高度优选不大于从凹槽 12底部到背板 10底面 13的距离； 而凸出部 22高度 不高于侧墙 11 的高度， 在保证其能稳定勾嵌所述光学膜片 30不会滑落的前提 下， 避免影响到其他部件的安装。 对于这种设计的固定装置 20厚度要求一般介于 0.4〜0.6毫米之间， 而凸出 部 22和支撑部 21 的宽度则可以按照液晶模组的实际形状大小来确定。 相应地 所述光学膜片 30延伸部 31的通孔 32尺寸也根据凸出部 22的宽度和厚度配套 开设， 具有较大的实用性。 固定光学膜片 30时， 对应于光学膜片 30的延伸部 31在侧墙 11上预设有 若干个凹槽 12， 先将固定装置 20的凸出部 21与所述凹槽 12对应， 控制所述凸 出部 22位于凹槽 12中部且不高出侧墙 11。然后将粘有双面胶的支撑部 21紧贴 侧墙 11内侧， 使支撑部 21固定在所述侧墙 11上。 安装好多个固定装置 20后， 使光学膜片 30延伸部 31通过其通孔 32套于凸出部 22上， 延伸部 31则嵌在所 述凹槽 12内， 如图 4所示， 通过这种固定方式所将所述光学膜片 30固定于所 述背板 10上。 本领域的技术人员应该知道， 可以根据液晶模组的尺寸大小在背板侧墙上 对称地设置多个这种固定装置， 来达到稳定固持光学膜片的功能。 本实施例的固定装置与现有的固定装置相比， 不仅能对光学膜片起到固定 作用， 且设置隐蔽， 结构紧凑， 对空间占有率性低， 不影响其他部件安装， 还 可以满足目前液晶模组设计中侧墙不断变窄的趋势， 同时能防止光学膜片因热 胀冷缩而出现弯曲变形等不良现象。 本实施例的固定装置， 比现有技术的固定 方式可以减少侧墙 1.5〜6毫米的厚度， 并且不减少背板侧墙的整体强度。 实施例 2 本实施例与实施例 1相比， 不同在于固定装置 20有进一歩的优化。 如图 5所示， 本实施例的固定装置 20包括： 支撑部 21， 所述支撑部 21与 所述背板 10侧墙 11连接； 以及凸出部 22， 所述凸出部 22配置于所述支撑部 21顶部且与所述支撑部 21—体成型； 还包括与所述支撑部 21底部成一夹角连 接的承载部 24， 所述夹角介于 80〜100°之间。 所述支撑部 21底部一侧延伸一定位部 26， 所述定位部 26与所述承载部 24 底部平齐。 类似地，对应于所述光学膜片 30的延伸部 31在所述侧墙 11上设有凹槽 12， 固定装置 20的支撑部 21紧贴在该凹槽 12周围的侧墙 11内侧， 所述凸出部 22 从所述凹槽 12底部一侧伸出且与所述凹槽 12容纳空间对应。 固定装置 20的大 小应控制在适当的范围内， 例如其高度优选不大于从凹槽 12底部到背板 10底 面 13的距离； 而凸出部 22高度不高于侧墙 11的高度， 在保证其能稳定勾嵌所 述光学膜片 30不会滑落的前提下， 避免影响到其他部件的安装。 其中， 在本实施例的承载部 24是通过与背板底面 13连接来承担所述固定 装置 20的定位及连接作用的。 为了达到较佳的实施效果， 承载部 24与支撑部 21的夹角优选为 90°。 例如， 对于底面 13与侧墙 11成直角的背板 10而言， 当 固定装置 20紧贴该侧墙 11同时通过承载部 24固定于该背板底面 13，所述支撑 部 21与所述承载部 24形成的 90°夹角， 可以使得支撑部 21能紧紧地贴于所述 侧墙 11内侧。 这样一方面承载部 24能防止固定装置 20相对背板 10发生位移， 而支撑部 21能保持凸出部 22的功能， 也能加强侧墙 11强度。 其中， 承载部 24 与支撑部 21可通过多种方式连接， 例如， 铰接或焊接或一体形成， 只需要依据 背板底面 13与侧墙 11的夹角来制作即可。 而承载部 24与背板底面 13的连接 方式优选通过铆钉 25铆接， 通过铆接可以使得固定装置 20能灵活拆装， 便于 充分利用； 当然， 还可以采用粘接或焊接方式使承载部 24固定于背板 10上。 必要的时候， 也可以增大支撑部 21 的面积， 并在支撑部 21加入粘贴层， 增大 固定装置 20与背板 10之间的连接力度。 固定光学膜片 30时， 对应于光学膜片 30的延伸部 31在侧墙 11上预设有 若干个凹槽 12， 先将固定装置 20的凸出部 21与所述凹槽 12对应， 控制所述凸 出部 22位于凹槽 12中部且不高出侧墙 11。 然后将承载部 24紧贴在背板底面 13， 支撑部 21紧贴侧墙 11内侧， 旋紧铆钉 25使承载部 24固定在所述底面 13 上。 安装好多个固定装置 20后， 使光学膜片 30延伸部 31的通过其通孔 32套 于凸出部 22上， 延伸部 31则嵌在所述凹槽 12内， 如图 6所示， 通过这种固定 方式所将所述光学膜片 30固定于所述背板 10上。 同样地， 可以根据液晶模组的尺寸大小在背板侧墙上设置多个这种固定装 置来达到稳定固定光学膜片的功能。 本实施例固定装置与背部的连接方式相对于胶带连接方式而言， 是属于纯 机械或者半机械的连接， 能够避免环境变化引起光学膜片的脱落或蠕动， 可以 增加整个液晶模组的重复拆装性； 并且其结构的紧凑性， 比现有的固定装置占 用更少的空间， 还不会破坏背板的强度。

Claims

权 利 要 求 书
1、 一种用于固定光学膜片的固定装置， 用于连接光学膜片和背板， 其中， 所述固定装置包括一体连接的： 支撑部， 用于与所述背板侧墙连接； 凸出部， 用于穿过突伸于所述光学膜片主体边缘的延伸部上开设的通孔， 将所述光学膜片固定于所述背板上； 及 粘贴层， 所述粘贴层与所述支撑部对应， 所述支撑部通过所述粘贴层与所 述背板侧墙粘接。
2、 根据权利要求 1所述固定装置，其中，所述固定装置高度不大于所述背 板侧墙 ι¾度。
3、 一种用于固定光学膜片的固定装置， 用于连接光学膜片和背板， 其中， 所述固定装置包括一体连接的： 支撑部， 用于与所述背板侧墙连接； 承载部， 所述承载部与所述支撑部底部成一夹角连接的， 所述夹角介于 80〜100°之间； 凸出部， 用于穿过突伸于所述光学膜片主体边缘的延伸部上开设的通孔， 将所述光学膜片固定于所述背板上。
4、 根据权利要求 3所述的固定装置 ，其中，所述承载部与所述支撑部铰接 或焊接。
5、 根据权利要求 3所述的固定装置，其中，所述承载部与所述背板铆接或 粘接。
6、 根据权利要求 3所述的固定装置，其中，所述支撑部底部一侧延伸一定 位部， 所述定位部与所述承载部底部平齐
7、 根据权利要求 3所述的固定装置，其中，所述固定装置高度不大于所述 背板侧墙高度。
8、 一种液晶模组，包括光学膜片以及用于承托所述光学膜片的带侧墙的背 板， 所述光学膜片包括突伸于所述光学膜片主体边缘且开设有通孔的延伸部； 其中， 所述背板上设置若干个固定装置， 所述固定装置至少包括一体连接的： 支撑部， 用于与所述背板侧墙连接； 凸出部， 用于穿过所述光学膜片的通孔将所述光学膜片固定于所述背板上。
9、 根据权利要求 8所述液晶模组，其中，对应于所述延伸部在所述背板侧 墙上设有凹槽， 所述凸出部从所述凹槽底部一侧伸出且与所述凹槽容纳空间对 应。
10、 根据权利要求 9所述的液晶模组， 其中， 所述固定装置高度不大于所 述背板侧墙高度， 所述支撑部不伸出所述凹槽底部。
11、 根据权利要求 8所述的液晶模组， 其中， 所述支撑部与所述背板侧墙 粘接。
12、 根据权利要求 8所述的液晶模组， 其中， 还包括与所述支撑部底部成 一夹角连接的承载部， 所述夹角介于 80〜100°之间。
13、 根据权利要求 12所述的液晶模组置， 其中， 所述承载部与所述支撑 部铰接或焊接。
14、 根据权利要求 12所述的液晶模组， 其中， 所述承载部与所述背板铆 接。
15、 根据权利要求 12所述的液晶模组， 其中， 所述支撑部底部一侧延伸 一定位部， 所述定位部与所述承载部底部平齐。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11340497B2 (en) 2017-09-30 2022-05-24 Boe Technology Group Co., Ltd. Backlight source, display module and display device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235436B (zh) * 2013-04-25 2016-04-27 深圳市华星光电技术有限公司 液晶显示装置及其前框和中框的组合结构
CN105158953B (zh) * 2015-09-30 2018-08-17 合一智能科技（深圳）有限公司 液晶显示装置的模组及其制造方法
CN106371249B (zh) * 2016-11-29 2019-11-08 青岛海信电器股份有限公司 一种直下式背光模组和液晶显示装置
CN115685612A (zh) * 2022-11-15 2023-02-03 冠捷电子科技(福建)有限公司 一种显示器触控薄膜固定结构及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435948A (zh) * 2007-11-14 2009-05-20 奇美电子股份有限公司 背光模块及包括其的液晶显示器
US20090296014A1 (en) * 2008-05-29 2009-12-03 Cheng Uei Precision Industry Co., Ltd. Touch Panel Display Device
JP2010073389A (ja) * 2008-09-17 2010-04-02 Toshiba Mobile Display Co Ltd 面状光源装置及び液晶表示装置
CN102661553A (zh) * 2012-02-24 2012-09-12 友达光电股份有限公司 背光模块及使用其的显示装置
US20130010497A1 (en) * 2011-07-06 2013-01-10 Samsung Electronics Co., Ltd. Display device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840715B1 (ko) * 2002-05-28 2008-06-23 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치
CN101071227A (zh) * 2006-05-12 2007-11-14 群康科技(深圳)有限公司 背光模组及其组装方法
CN101464596B (zh) * 2007-12-21 2012-02-01 鸿富锦精密工业（深圳）有限公司 光学板和背光模组
CN201724152U (zh) * 2010-02-11 2011-01-26 辅祥实业股份有限公司 光学膜片与胶框的组装结构
TWI438535B (zh) * 2011-11-18 2014-05-21 Au Optronics Corp 光學膜片組及應用此光學膜片組的背光模組

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435948A (zh) * 2007-11-14 2009-05-20 奇美电子股份有限公司 背光模块及包括其的液晶显示器
US20090296014A1 (en) * 2008-05-29 2009-12-03 Cheng Uei Precision Industry Co., Ltd. Touch Panel Display Device
JP2010073389A (ja) * 2008-09-17 2010-04-02 Toshiba Mobile Display Co Ltd 面状光源装置及び液晶表示装置
US20130010497A1 (en) * 2011-07-06 2013-01-10 Samsung Electronics Co., Ltd. Display device
CN102661553A (zh) * 2012-02-24 2012-09-12 友达光电股份有限公司 背光模块及使用其的显示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11340497B2 (en) 2017-09-30 2022-05-24 Boe Technology Group Co., Ltd. Backlight source, display module and display device

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