WO2017084041A1 - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

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Publication number
WO2017084041A1
WO2017084041A1 PCT/CN2015/094906 CN2015094906W WO2017084041A1 WO 2017084041 A1 WO2017084041 A1 WO 2017084041A1 CN 2015094906 W CN2015094906 W CN 2015094906W WO 2017084041 A1 WO2017084041 A1 WO 2017084041A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display device
adhesive layer
plastic frame
Prior art date
Application number
PCT/CN2015/094906
Other languages
English (en)
French (fr)
Inventor
洪于惠
Original Assignee
苏州珏美光电材料科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 苏州珏美光电材料科技有限公司 filed Critical 苏州珏美光电材料科技有限公司
Priority to PCT/CN2015/094906 priority Critical patent/WO2017084041A1/zh
Publication of WO2017084041A1 publication Critical patent/WO2017084041A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells

Definitions

  • liquid crystal display device
  • the present invention belongs to the field of liquid crystal display technology, and in particular, to a liquid crystal display device.
  • a liquid crystal display has the advantages of thin body, power saving, and no radiation, and has been widely used.
  • Most of the liquid crystal display devices on the market are backlight type liquid crystal display devices, which include a liquid crystal display panel and a Back Light Unit (BLU).
  • BLU Back Light Unit
  • the working principle of the liquid crystal display device is to place liquid crystal molecules in two parallel glass substrates, control the liquid crystal molecules to change direction by energizing the glass substrate, and refract the light of the backlight module to produce a picture.
  • a conventional mobile phone display screen is also assembled by a backlight module and a liquid crystal display panel through a Rim tape.
  • the narrow frame of the liquid crystal display device should be the target of technological development.
  • the conventional masking tape process will encounter technical difficulties that cannot be cut.
  • the dispensing technology is used to fix the backlight module and the liquid crystal display panel to achieve fixation.
  • the Chinese patent announcement number CN203217201U discloses the use of multiple drops.
  • the UV glue is adjacent to the line-shaped UV crossover, so that the frame of the liquid crystal display panel and the frame of the backlight module are fixedly bonded together, and a liquid crystal display device with a narrow bezel is realized.
  • the UV glue used has a single function, which can only satisfy the effect of bonding and fixing, but still has insufficient shading degree, insufficient resistance to mechanical external force, and poor electrostatic protection. Shortcomings such as weak water resistance.
  • An object of the present invention is to provide a liquid crystal display device, which aims to solve the technical problem that the liquid crystal display device of the prior art has both a narrow bezel and a good shading effect.
  • a liquid crystal display device including a backlight module and a backlight module a plastic frame and a liquid crystal display panel opposite to the backlight module and fixedly connected to the plastic frame, the liquid crystal display panel being slightly shorter than the plastic frame and forming a glued area with the plastic frame,
  • the liquid crystal display device further includes a first adhesive layer coated in the adhesive region and bonded to the plastic frame and the edge of the liquid crystal display panel to fixedly connect the plastic frame to the liquid crystal display panel, and at least A second adhesive layer coated on the surface of the first adhesive layer and having a light blocking effect.
  • the gloss of the light-shielding layer is 30-3000 Cps and the opacity is 60% or more.
  • the liquid crystal display device further includes a third adhesive layer coated on the surface of the second adhesive layer, the third adhesive layer is a buffer rubber layer having a mechanical buffer function, and has antistatic property. At least one of an ESD resistant layer and a waterproof layer.
  • the buffer layer has a viscosity of 30 to 3000 Cps and a Shore hardness of less than 70 Hs.
  • the ESD adhesive layer has a viscosity of 30 to 3000 Cps and a dielectric constant greater than 30
  • the waterproof adhesive layer has a viscosity of 30 to 3000 Cp S and is added with hydrophilic particles or a water retentive material.
  • the first adhesive layer is made of a transparent UV glue having a viscosity of 30 to 3000 Cps.
  • the liquid crystal display panel includes a color filter substrate, a TFT substrate disposed on the color film substrate, and upper polarizers and lower polarizers respectively disposed on the color filter substrate and the TFT substrate.
  • the lower polarizer, the TFT substrate, the color filter substrate, and the upper polarizer are sequentially stacked along the backlight module.
  • the side of the color filter substrate is flush with the side of the TFT substrate, and the TFT substrate is slightly shorter than the plastic frame and forms a glued area with the plastic frame; Forming a first recessed portion on a side of the polarizer and a side of the color filter substrate; and forming a side of the lower polarizer and a side of the TFT substrate to form a second opposite to the first recess a recessed portion, the glue-coated region communicates with the first recessed portion and the second recessed portion, and the first adhesive layer and the second adhesive layer are filled in the first recessed portion, the glue a region and the second recess.
  • the liquid crystal display panel includes a visible area and a border located at a periphery of the visible area
  • the width of the glued area is much smaller than the width of the frame area.
  • the liquid crystal display device is fixedly connected to the liquid crystal display panel by coating the first adhesive layer on the glue application area, A fixing function of the backlight module and the liquid crystal display panel is achieved, and further, the second adhesive layer is coated on the first adhesive layer to satisfy a light shielding effect, so that the liquid crystal display device not only has Narrow borders, but also have a blackout effect.
  • FIG. 1 is a structural diagram of a liquid crystal display device according to an embodiment of the present invention before a first adhesive layer and a second adhesive layer are not coated;
  • FIG. 2 is a structural diagram of a liquid crystal display device coated with a first adhesive layer according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of a liquid crystal display device coated with a first adhesive layer and a second adhesive layer according to an embodiment of the present invention.
  • FIG. 4 is a structural diagram of a liquid crystal display device according to an embodiment of the present invention, which is coated with a first adhesive layer, a second adhesive layer, and a third adhesive layer.
  • a liquid crystal display device includes a backlight module 10 , a plastic frame 20 disposed on the backlight module 10 , and an opposite to the backlight module 10 .
  • the liquid crystal display panel 30 is fixedly connected to the plastic frame 20, and the liquid crystal display panel 30 is slightly shorter than the plastic frame 20 and forms a glue application area 40 with the plastic frame 20.
  • the liquid crystal display device further includes a first adhesive layer 50 and at least one layer in the glue-coated region 40 and adhered to the edge of the plastic frame 20 and the liquid crystal display panel 30 to fix the plastic frame 20 and the liquid crystal display panel 30 A second adhesive layer 60 coated on the surface of the first adhesive layer 50 and having a light blocking effect.
  • the liquid crystal display device provided by the embodiment of the present invention is configured by applying the first adhesive layer 50 on the glue application area 40 to fix the plastic frame 20 and the liquid crystal display panel 30.
  • the fixing function of the backlight module 10 and the liquid crystal display panel 30 is further provided, and the second adhesive layer 60 is coated on the first adhesive layer 50 to satisfy the light shielding effect, so that the liquid crystal display device is not only It has a narrow bezel and has a shading effect.
  • the plastic frame 20 is located on the circumferential side of the backlight module 10 to be fixedly connected to the liquid crystal display panel 30.
  • the glue layer has a viscosity of 30 to 3000 Cps and a opacity of 60% or more.
  • the opacity is the ratio of the amount of light to the amount of light incident. The higher the opacity, the better the opacity of the opaque layer, and vice versa.
  • the light-shielding layer provided in this embodiment is made of glue having a light-shielding degree of 60% or more, and the color thereof may be black, gray or yellow UV glue.
  • the liquid crystal display device further includes a third adhesive layer 70 coated on the surface of the second adhesive layer 60, and the third adhesive layer 70 is mechanically buffered. At least one of a buffer rubber layer, an antistatic ESD resistant rubber layer, and a water repellent layer. Understandably, the second adhesive layer 60 is located at the Between the first adhesive layer 50 and the third adhesive layer 70, the third adhesive layer 70 is provided to increase the function of the liquid crystal display device, for example, achieving a narrow bezel, a light blocking effect, and mechanical buffering, antistatic, and At least one of waterproofing.
  • the third adhesive layer 70 may be the buffer rubber layer, the ESD resistant layer or the waterproof layer, or the buffer rubber layer, the ESD resistant adhesive.
  • the two layers of glue formed by the combination of the layer and the waterproof layer may even be a combination of the buffer layer, the ESD resistant layer and the waterproof layer.
  • each glue layer The order of coating can be any arrangement.
  • the buffer layer has a viscosity of 30 to 3000 Cps and a Shore hardness of less than 70 H So.
  • the buffer layer is compared with the glue used in the first layer 50.
  • the texture is softer.
  • the liquid crystal display device provided by the embodiment of the present invention uses a buffer layer to provide a certain buffering effect and enhance mechanical strength.
  • the liquid crystal display device can have a strength of 4 pb and a compressive strength of 1800 or more.
  • the ESD adhesive layer has a glue viscosity of 30 to 3000 Cps and a dielectric constant of more than 30.
  • the liquid crystal display device provided by the embodiment of the invention adopts an ESD-resistant layer to achieve a certain antistatic capability, and can improve the ESD resistance of the liquid crystal display device by 30%>.
  • the waterproof rubber layer adopts a glue viscosity of 30 to 3000 Cp S and is added with hydrophilic particles or a water retentive material.
  • the liquid crystal display device provided by the embodiment of the invention uses the waterproof rubber layer to improve the waterproof performance, and the waterproof effect is 90%, 85 ° C and lasts for 10 days.
  • the first adhesive layer 50 is made of a transparent UV glue having a viscosity of 30 to 3000 Cps.
  • the liquid crystal display device provided by the embodiment of the present invention uses a transparent UV glue to form a fixed connection between the backlight module 10 and the liquid crystal display panel 30, which helps to greatly reduce the liquid crystal.
  • the frame of the display device achieves the purpose of narrow borders.
  • the first adhesive layer 50 is disposed around the plastic frame 20.
  • the liquid crystal display panel 30 includes a color filter substrate 31, a TFT substrate 32 disposed on the color filter substrate 31, and a color filter substrate 31. And the upper polarizer 33 and the lower polarizer 34 on the TFT substrate 32, the lower polarizer 34, the TFT substrate 32, the color filter substrate 31 and the upper polarizer 33 along the backlight module 10 Stack settings in order.
  • the backlight module 10, the lower polarizer 34, the TFT substrate 32, the color filter substrate 31, and the upper polarizer 33 are sequentially stacked, and the plastic frame 20 and the The backlight module 10 is located on the same layer and is located at the lower side Below the light sheet 34, the rubber frame 20 and the lower polarizer 34, the TFT substrate 32, the color film substrate 31, and the upper side of the upper polarizer 33 form the glue application region 40,
  • the first adhesive layer 50, the second adhesive layer 60, and the third adhesive layer 70 are sequentially applied to the glue-coated region 40 to simultaneously realize a narrow-frame liquid crystal display device and a multi-function having a light-shielding effect. characteristic.
  • the side of the color filter substrate 31 is flush with the side of the TFT substrate 32, and the TFT substrate 32 is slightly shorter than the plastic frame 20;
  • the side of the polarizer 33 and the side of the color filter substrate 31 form a first recess 35 and the side of the lower polarizer 34 and the side of the TFT substrate 32 form the first recess.
  • a second recessed portion 36 opposite to the portion 35, the glue application region 40 communicates with the first recessed portion 35 and the second recessed portion 36, and the first adhesive layer 50 and the second adhesive layer 60 is filled in the first recessed portion 35, the glue application region 40, and the second recessed portion 36.
  • the first recessed portion 35 and the second recessed portion 3 6 are formed on the liquid crystal display panel 30 in consideration of mounting and connection robustness, and the first recessed portion 35 and the second recessed portion 36 They are located on opposite sides of the color film substrate 31 and the TF T substrate 32, respectively.
  • the first adhesive layer 50 is filled in the first recessed portion 35, the glue-coated region 40 and the second recessed portion 36, and the second adhesive layer 60 and the third adhesive layer 70 are filled in the The glue application region 40 flows to the second recess portion 36.
  • the liquid crystal display panel 30 includes a visible area 37 and a frame area 38 located at the periphery of the visible area 37.
  • the width a of the glue application area 40 is much smaller than [0046]
  • the narrow bezel liquid crystal display device is truly realized by setting the width of the rubberized region 40 to be narrower than the width of the bezel region 38.

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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

一种液晶显示装置,包括背光模组(10)、设于背光模组(10)上的胶框(20)以及与背光模组(10)相对且与胶框(20)固定连接的液晶显示面板(30),液晶显示面板(30)稍短于胶框(20)并与胶框(20)形成涂胶区域(40),液晶显示装置还包括涂覆于涂胶区域(40)内并粘接于胶框(20)与液晶显示面板(30)边缘处以使胶框(20)与液晶显示面板(30)固定连接的第一胶层(50)以及至少一层涂覆于第一胶层(50)表面上且具有遮光效果的第二胶层(60)。该液晶显示装置通过在涂胶区域(40)上涂覆第一胶层(50)以使胶框(20)与液晶显示面板(30)固定连接,实现对背光模组(10)与液晶显示面板(30)的固定作用,另外,通过在第一胶层(50)上涂覆第二胶层(60),以满足遮光效果,这样,该液晶显示装置不仅具有窄边框,而且同时还具有遮光效果。

Description

发明名称:液晶显示装置
技术领域
[0001] 本发明属于液晶显示技术领域, 尤其涉及一种液晶显示装置。
背景技术
[0002] 液晶显示装置 (Liquid Crystal Display, 简称 LCD) 具有机身薄、 省电和无辐射 等优点, 得到了广泛应用。 现有巿场上的液晶显示装置大部分为背光型液晶显 示装置, 其包括液晶显示面板和背光模组 (Back Light Unit, 简称 BLU) 。 液晶 显示装置的工作原理是在两片平行的玻璃基板中放置液晶分子, 通过玻璃基板 通电与否来控制液晶分子改变方向, 将背光模组的光线折射出来产生画面。
[0003] 传统的手机显示屏也是由背光模组与液晶显示面板通过遮光胶带 (Rim tape) 进行黏附组装而成。 在手机科技日新月异之下, 液晶显示装置的窄边框应运成 为技术发展的目标。 但是当液晶显示装置的边框小于一定极限之后, 传统的遮 光胶带制程将会遇到无法裁切的技术难点。
[0004] 为了克服传统的遮光胶带存在无法裁切的技术障碍, 釆用了点胶技术来固定背 光模组和液晶显示面板实现固定, 例如, 中国专利 (公告号为 CN203217201U) 公开了采用多滴 UV胶相邻呈线条状 UV交叉, 以使液晶显示面板的边框与背光模 组的边框固定粘接在一起, 并实现了窄边框的液晶显示装置。
[0005] 然而, 在现有的点胶制程中, 例如采用的 UV胶功能单一, 仅能满足粘接固定 的作用, 而仍存在遮光程度不足、 抗机械外力缓冲程度不足、 静电防护较差以 及防水能力弱等缺点。
技术问题
[0006] 本发明的目的在于提供一种液晶显示装置, 旨在解决现有技术中液晶显示装置 同时具备窄边框及具有良好遮光效果的技术问题。
问题的解决方案
技术解决方案
[0007] 本发明是这样实现的, 一种液晶显示装置, 包括背光模组、 设于所述背光模组 上的胶框以及与所述背光模组相对且与所述胶框固定连接的液晶显示面板, 所 述液晶显示面板稍短于所述胶框并与所述胶框形成涂胶区域, 所述液晶显示装 置还包括涂覆于所述涂胶区域内并粘接于所述胶框与所述液晶显示面板边缘处 以使所述胶框与所述液晶显示面板固定连接的第一胶层以及至少一层涂覆于所 述第一胶层表面上且具有遮光效果的第二胶层。
[0008] 进一步地, 所述遮光胶层所采用的胶水粘度为 30~3000Cps且遮光度为 60%以上
[0009] 进一步地, 所述液晶显示装置还包括涂覆于所述第二胶层表面上的第三胶层, 所述第三胶层为具有机械缓冲功能的缓冲胶层、 具有抗静电的耐 ESD胶层和防水 胶层中的至少一种。
[0010] 进一步地 , 所述缓冲胶层所采用的胶水粘度为 30~3000Cps且肖氏硬度小于 70H s。
[0011] 进一步地, 所述耐 ESD胶层所采用的胶水粘度为 30~3000Cps且介电常数大于 30
[0012] 进一步地, 所述防水胶层所采用的胶水粘度为 30~3000CpS且添加有亲水性颗粒 或者保水性材料。
[0013] 进一步地, 所述第一胶层釆用的是粘度为 30~3000Cps的透明 UV胶水。
[0014] 进一步地, 所述液晶显示面板包括彩膜基板、 与所述彩膜基板贴合设置的 TFT 基板以及分别设于所述彩膜基板和所述 TFT基板上的上偏光片和下偏光片, 所述 下偏光片、 所述 TFT基板、 所述彩膜基板和所述上偏光片沿所述背光模组依次堆 叠设置。
[0015] 进一步地, 所述彩膜基板的侧边与所述 TFT基板的侧边齐平, 所述 TFT基板稍 短于所述胶框并与所述胶框形成涂胶区域; 所述上偏光片的侧边与所述彩膜基 板的侧边形成第一凹陷部以及所述下偏光片的侧边与所述 TFT基板的侧边形成与 所述第一凹陷部相背对的第二凹陷部, 所述涂胶区域连通所述第一凹陷部和所 述第二凹陷部, 且所述第一胶层和所述第二胶层填充于所述第一凹陷部、 所述 涂胶区域和所述第二凹陷部。
[0016] 进一步地, 所述液晶显示面板包括可视区域以及位于所述可视区域外围的边框 区域, 所述涂胶区域的宽度远小于所述边框区域的宽度。
发明的有益效果
有益效果
[0017] 本发明相对于现有技术的技术效果是: 该液晶显示装置通过在所述涂胶区域上 涂覆所述第一胶层以使所述胶框与所述液晶显示面板固定连接, 实现对所述背 光模组与所述液晶显示面板的固定作用, 另外, 通过在所述第一胶层上涂覆所 述第二胶层, 以满足遮光效果, 这样, 该液晶显示装置不仅具有窄边框, 而且 同时还具有遮光效果。
对附图的简要说明
附图说明
[0018] 为了更清楚地说明本发明实施例的技术方案, 下面将对本发明实施例或现有技 术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面所描述的附图仅 仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳 动的前提下, 还可以根据这些附图获得其他的附图。
[0019] 图 1是本发明实施例提供的液晶显示装置未涂覆第一胶层和第二胶层之前的结 构图;
[0020] 图 2是本发明实施例提供的液晶显示装置涂覆有第一胶层的结构图;
[0021] 图 3是本发明实施例提供的液晶显示装置涂覆有第一胶层和第二胶层的结构图
[0022] 图 4是本发明实施例提供的液晶显示装置涂覆有第一胶层、 第二胶层和第三胶 层的结构图。
[0023] 附图标记说明:
[0024] 10 背光模组 36 第二凹陷部
[0025] 20 胶框 37 可视区域
[0026] 30 液晶显示面板 38 边框区域
[0027] 31 彩膜基板 40 涂胶区域
[0028] 32 TFT基板 50 第一胶层
[0029] 33 上偏光片 60 第二胶层 [0030] 34 下偏光片 70 第三胶层
[0031] 35 第一凹陷部
发明实施例
本发明的实施方式
[0032] 为了使本发明的目的、 技术方案及优点更加清楚明白, 以下结合附图及实施例 , 对本发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例仅仅用 以解释本发明, 并不用于限定本发明。
[0033] 请参照图 1至图 4, 本发明实施例提供的液晶显示装置包括背光模组 10、 设于所 述背光模组 10上的胶框 20以及与所述背光模组 10相对且与所述胶框 20固定连接 的液晶显示面板 30, 所述液晶显示面板 30稍短于所述胶框 20并与所述胶框 20形 成涂胶区域 40, 所述液晶显示装置还包括涂覆于所述涂胶区域 40内并粘接于所 述胶框 20与所述液晶显示面板 30边缘处以使所述胶框 20与所述液晶显示面板 30 固定连接的第一胶层 50以及至少一层涂覆于所述第一胶层 50表面上且具有遮光 效果的第二胶层 60。
[0034] 本发明实施例提供的液晶显示装置通过在所述涂胶区域 40上涂覆所述第一胶层 50以使所述胶框 20与所述液晶显示面板 30固定连接, 实现对所述背光模组 10与 所述液晶显示面板 30的固定作用, 另外, 通过在所述第一胶层 50上涂覆所述第 二胶层 60, 以满足遮光效果, 这样, 该液晶显示装置不仅具有窄边框, 而且同 吋还具有遮光效果。
[0035] 在该实施例中, 所述胶框 20位于所述背光模组 10的周侧以固定连接所述液晶显 示面板 30。
[0036] 进一步地, 所述遮光胶层所采用的胶水粘度为 30~3000Cps且遮光度为 60%以上 。 遮光度是指出光量与入光量的比值, 遮光度越高, 说明该遮光胶层的遮光性 能越好, 反之越差。 本实施例所提供的遮光胶层采用遮光度为 60%以上的胶水制 成, 其颜色可以是黑色、 灰色或者黄色 UV胶水。
[0037] 请参照图 4, 进一步地, 所述液晶显示装置还包括涂覆于所述第二胶层 60表面 上的第三胶层 70, 所述第三胶层 70为具有机械缓冲功能的缓冲胶层、 具有抗静 电的耐 ESD胶层和防水胶层中的至少一种。 可以理解地, 所述第二胶层 60位于所 述第一胶层 50与所述第三胶层 70之间, 通过设置所述第三胶层 70以增加该液晶 显示装置的机能, 例如同时实现窄边框、 遮光效果以及机械缓冲、 抗静电和防 水中的至少一个。
[0038] 在该实施例中, 所述第三胶层 70可以是所述缓冲胶层、 所述耐 ESD胶层或者所 述防水层, 也可以是所述缓冲胶层、 所述耐 ESD胶层和所述防水层中二者组合形 成的两层胶水, 甚至可以是所述缓冲层、 所述耐 ESD胶层和所述防水层三者组合 , 对于两层或者三层情况, 各胶层的涂覆顺序可以是任意排布。
[0039] 进一步地 , 所述缓冲胶层所采用的胶水粘度为 30~3000Cps且肖氏硬度小于 70H So 优选地, 所述缓冲胶层相较于所述第一胶层 50所釆用的胶水质地更软。 本发 明实施例提供的液晶显示装置采用缓冲胶层以起到一定的缓冲效果, 增强机械 强度, 具体地, 该液晶显示装置的强度可以达 4pb且抗压强度达 1800以上。
[0040] 进一步地, 所述耐 ESD胶层所采用的胶水粘度为 30~3000Cps且介电常数大于 30 。 本发明实施例提供的液晶显示装置采用耐 ESD胶层以起到一定的抗静电能力 , 可以使该液晶显示装置的抗 ESD能力提升 30%>。
[0041] 进一步地, 所述防水胶层所采用的胶水粘度为 30~3000CpS且添加有亲水性颗粒 或者保水性材料。 本发明实施例提供的液晶显示装置釆用所述防水胶层以提高 防水性能, 防水效果为相对湿度达到 90%、 85°C且持续 10天。
[0042] 请参照图 2, 进一步地, 所述第一胶层 50釆用的是粘度为 30~3000Cps的透明 UV 胶水。 本发明实施例提供的液晶显示装置通过所述第一胶层 50采用透明 UV胶水 以实现对所述背光模组 10与所述液晶显示面板 30的固定连接, 有助于大大减小 所述液晶显示装置的边框, 实现窄边框的目的。
[0043] 在该实施例中, 所述第一胶层 50环绕所述胶框 20而设置。
[0044] 请参照图 1至图 4, 进一步地, 所述液晶显示面板 30包括彩膜基板 31、 与所述彩 膜基板 31贴合设置的 TFT基板 32以及分别设于所述彩膜基板 31和所述 TFT基板 32 上的上偏光片 33和下偏光片 34 , 所述下偏光片 34、 所述 TFT基板 32、 所述彩膜基 板 31和所述上偏光片 33沿所述背光模组 10依次堆叠设置。 在该实施例中, 所述 背光模组 10、 所述下偏光片 34、 所述 TFT基板 32、 所述彩膜基板 31和所述上偏光 片 33依次层叠设置, 所述胶框 20与所述背光模组 10位于同一层且位于所述下偏 光片 34的下方, 所述胶框 20与所述下偏光片 34、 所述 TFT基板 32、 所述彩膜基板 31和所述上偏光片 33的侧边形成所述涂胶区域 40 , 通过将所述第一胶层 50、 所 述第二胶层 60和所述第三胶层 70依次涂覆于所述涂胶区域 40, 以同时实现窄边 框液晶显示装置和具有遮光效果等多机能特性。
[0045] 请参照图 1至图 4, 进一步地, 所述彩膜基板 31的侧边与所述 TFT基板 32的侧边 齐平, 所述 TFT基板 32稍短于所述胶框 20; 所述上偏光片 33的侧边与所述彩膜基 板 31的侧边形成第一凹陷部 35以及所述下偏光片 34的侧边与所述 TFT基板 32的侧 边形成与所述第一凹陷部 35相背对的第二凹陷部 36 , 所述涂胶区域 40连通所述 第一凹陷部 35和所述第二凹陷部 36, 且所述第一胶层 50和所述第二胶层 60填充 于所述第一凹陷部 35、 所述涂胶区域 40和所述第二凹陷部 36。 考虑到安装和连 接牢固性, 在所述液晶显示面板 30上形成所述第一凹陷部 35和所述第二凹陷部 3 6, 且所述第一凹陷部 35和所述第二凹陷部 36分别位于所述彩膜基板 31和所述 TF T基板 32的相对两侧。 所述第一胶层 50填充于所述第一凹陷部 35、 所述涂胶区域 40和所述第二凹陷部 36, 所述第二胶层 60和所述第三胶层 70填充于所述涂胶区 域 40并流至所述第二凹陷部 36。
[0046] 请参照图 1至图 4, 进一步地, 所述液晶显示面板 30包括可视区域 37以及位于所 述可视区域 37外围的边框区域 38, 所述涂胶区域 40的宽度 a远小于所述边框区域 3 8的宽度 b。 通过将所述涂胶区域 40的宽度设置成比所述边框区域 38的宽度窄, 以真正实现窄边框液晶显示装置。
[0047] 以上所述仅为本发明的较佳实施例而已, 并不用以限制本发明, 凡在本发明的 精神和原则之内所作的任何修改、 等同替换和改进等, 均应包含在本发明的保 护范围之内。

Claims

[权利要求 1] 一种液晶显示装置, 包括背光模组、 设于所述背光模组上的胶框以及 与所述背光模组相对且与所述胶框固定连接的液晶显示面板, 其特征 在于, 所述液晶显示面板稍短于所述胶框并与所述胶框形成涂胶区域 , 所述液晶显示装置还包括涂覆于所述涂胶区域内并粘接于所述胶框 与所述液晶显示面板边缘处以使所述胶框与所述液晶显示面板固定连 接的第一胶层以及至少一层涂覆于所述第一胶层表面上且具有遮光效 果的第二胶层。
[权利要求 2] 如权利要求 1所述的液晶显示装置, 其特征在于, 所述遮光胶层所釆 用的胶水粘度为 30~3000Cps且遮光度为 60<¾以上。
[权利要求 3] 如权利要求 1所述的液晶显示装置, 其特征在于, 所述液晶显示装置 还包括涂覆于所述第二胶层表面上的第三胶层, 所述第三胶层为具有 机械缓冲功能的缓冲胶层、 具有抗静电的耐 ESD胶层和防水胶层中的 至少一种。
[权利要求 4] 如权利要求 3所述的液晶显示装置, 其特征在于, 所述缓冲胶层所釆 用的胶水粘度为 30~3000Cps且肖氏硬度小于 70HS。
[权利要求 5] 如权利要求 3所述的液晶显示装置, 其特征在于, 所述耐 ESD胶层所 釆用的胶水粘度为 30~3000Cps且介电常数大于 30。
[权利要求 6] 如权利要求 3所述的液晶显示装置, 其特征在于, 所述防水胶层所釆 用的胶水粘度为 30~3000Cps且添加有亲水性颗粒或者保水性材料。
[权利要求 7] 如权利要求 1至 6任意一项所述的液晶显示装置, 其特征在于, 所述第 一胶层釆用的是粘度为 30~3000Cps的透明 UV胶水。
[权利要求 8] 如权利要求 1至 6任意一项所述的液晶显示装置, 其特征在于, 所述液 晶显示面板包括彩膜基板、 与所述彩膜基板贴合设置的 TFT基板以及 分别设于所述彩膜基板和所述 TFT基板上的上偏光片和下偏光片, 所 述下偏光片、 所述 TFT基板、 所述彩膜基板和所述上偏光片沿所述背 光模组依次堆叠设置。
[权利要求 9] 如权利要求 8所述的液晶显示装置, 其特征在于, 所述彩膜基板的侧 边与所述 TFT基板的侧边齐平 , 所述 TFT基板稍短于所述胶框并与所 述胶框形成涂胶区域; 所述上偏光片的侧边与所述彩膜基板的侧边形 成第一凹陷部以及所述下偏光片的侧边与所述 TFT基板的侧边形成与 所述第一凹陷部相背对的第二凹陷部, 所述涂胶区域连通所述第一凹 陷部和所述第二凹陷部, 且所述第一胶层和所述第二胶层填充于所述 第一凹陷部、 所述涂胶区域和所述第二凹陷部。
[权利要求 10] 如权利要求 8所述的液晶显示装置, 其特征在于, 所述液晶显示面板 包括可视区域以及位于所述可视区域外围的边框区域, 所述涂胶区域 的宽度远小于所述边框区域的宽度。
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