WO2016078106A1 - 一种胶框及显示装置 - Google Patents

一种胶框及显示装置 Download PDF

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Publication number
WO2016078106A1
WO2016078106A1 PCT/CN2014/092185 CN2014092185W WO2016078106A1 WO 2016078106 A1 WO2016078106 A1 WO 2016078106A1 CN 2014092185 W CN2014092185 W CN 2014092185W WO 2016078106 A1 WO2016078106 A1 WO 2016078106A1
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WO
WIPO (PCT)
Prior art keywords
frame
plastic
metal piece
plastic frame
assembly
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PCT/CN2014/092185
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English (en)
French (fr)
Inventor
张彦学
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深圳市华星光电技术有限公司
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Priority to US14/425,884 priority Critical patent/US20160139449A1/en
Publication of WO2016078106A1 publication Critical patent/WO2016078106A1/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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133328—Segmented frames

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a plastic frame and a display device of a display device.
  • the frontless iron frame design of the backlight module has become one of the important directions of product structure design.
  • the frame of the liquid crystal display device can be made narrower and the display area is larger; on the other hand, the manufacturing cost is saved.
  • the present invention provides a plastic frame and a display device that are cost-effective and highly reliable.
  • a plastic frame includes a first frame structure surrounded by a plurality of side walls, and the first frame structure is integrally injection molded from a plastic and a metal sheet assembly.
  • the surface of the metal piece assembly is provided with a plurality of grooves.
  • the surface of the metal piece assembly is provided with a plurality of through holes.
  • the metal sheet assembly comprises a plurality of protection angles, each of the protection angles comprises two metal sheets vertically connected to each other, and the protection angles are disposed at four corners of the first frame structure.
  • the plurality of protection angles are integrally connected to form the metal sheet assembly to form a frame structure.
  • the metal piece assembly is completely covered in the plastic.
  • the metal sheet component portion is exposed outside the first frame structure.
  • the invention also provides a display device comprising the above-mentioned plastic frame, liquid crystal panel and backlight assembly, The backlight assembly is received in the plastic frame.
  • the surface of the metal piece assembly is provided with a plurality of grooves.
  • the surface of the metal piece assembly is provided with a plurality of through holes.
  • the metal sheet assembly comprises a plurality of protection angles, each of the protection angles comprises two metal sheets vertically connected to each other, and the protection angles are disposed at four corners of the first frame structure.
  • the plurality of protection angles are integrally connected to form the metal sheet assembly to form a frame structure.
  • the backlight assembly comprises an optical film, a light guide plate, a reflective sheet and a light bar assembly, the light bar assembly comprising horizontal portions and vertical portions perpendicular to each other, wherein the horizontal portion is the same thickness as the optical film .
  • the horizontal portion and the vertical portion form a T-shaped structure, and the lower surfaces of the two ends of the horizontal portion respectively abut the light guide plate and the top surface of the plastic frame.
  • the plastic frame of the invention can be used in the display device to save the iron frame, saves production and manufacturing costs, and has good connection performance and high reliability.
  • FIG. 1 is a partial schematic structural view of a display device according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of a plastic frame according to Embodiment 1 of the present invention.
  • 3a is a schematic cross-sectional view of a plastic frame according to Embodiment 1 of the present invention.
  • FIG. 3b is a schematic cross-sectional view showing another structure of the plastic frame according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural view of a metal sheet assembly of a plastic frame according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural view of a metal sheet assembly of a plastic frame according to Embodiment 2 of the present invention.
  • FIG. 6 is another schematic structural view of a metal sheet assembly of a plastic frame according to Embodiment 2 of the present invention.
  • a display device includes: a plastic frame 10 , a liquid crystal panel 20 , a bezel 60 , and a backlight assembly 1 .
  • the plastic frame 10 is substantially a frame structure, and the backlight assembly 1 is received therein.
  • the assembly 1 includes an optical film 30, a light guide plate 40, a reflection sheet 50 and a light bar assembly 70.
  • the light bar assembly 70 is provided with a plurality of LED light sources (not labeled) for generating backlight light, including horizontal portions perpendicular to each other.
  • the horizontal portion 70a is the same thickness as the optical film 30, both ends of the horizontal portion 70a abut the frame 60 and the optical film 30, respectively, and the upper surface of the horizontal portion 70a is pasted to the liquid crystal through the light-shielding tape 80.
  • the lower surface of the vertical portion 70b is perpendicular to and close to the upper surface of the reflection sheet 50, and the vertical portion 70b forms a T-shaped structure with the horizontal portion 70a, and the lower surfaces of both ends of the horizontal portion 70a are respectively adhered to the light guide plate 40.
  • the optical film 30, the light guide plate 40, and the reflection sheet 50 are sequentially arranged from top to bottom, and the liquid crystal panel 20 is pasted to the upper end surface of the bezel 60, the upper surface of the horizontal portion 70a of the light bar assembly 70, and the optical film by the light shielding tape 80. Part of the upper surface of 30.
  • the plastic frame 10 includes a first frame structure 100 surrounded by a plurality of side walls.
  • the first frame structure 100 is integrally molded by the plastic 102 and the metal piece assembly 200.
  • the plastic material is made of engineering plastic. .
  • the surface of the metal piece assembly 200 is provided with a plurality of grooves 200a to improve the roughness. It can be understood that the surface of the metal piece assembly 200 can also be provided with a plurality of through holes. The surface of the metal piece assembly 200 can also be provided with grooves and through holes at the same time, so as to achieve the same surface roughness and injection bonding strength of the metal piece assembly 200. effect.
  • the metal sheet assembly 200 includes a plurality of protection angles 202.
  • Each of the protection angles 202 includes two metal sheets 201 that are perpendicularly connected to each other.
  • the protection angles 202 are disposed on the four corners of the first frame structure 100. To enhance the structural strength of the first frame structure 100.
  • FIG. 3a shows the case where the metal piece assembly 200 is completely covered in the plastic, and the plastic frame 10 formed by the injection molding method can be Various structural designs are made on the surface of the plastic frame 10;
  • FIG. 3b is another injection molding method in which the metal piece assembly 200 is partially covered in the plastic 102 and partially exposed outside the first frame structure 100.
  • the protection angles 202 formed by the metal sheets 201 perpendicularly connected to each other are respectively placed on the four corners corresponding to the plastic frame 10 in the cavity of the injection mold, as the reinforcing portions of the corners of the plastic frame 10, and then into the mold. Injection molding is done by injecting plastic material.
  • the metal sheet assembly 200 is correspondingly disposed at the four corners of the plastic frame 10, and at the same time, a plurality of grooves 200a are provided on the surface of the metal sheet assembly 200, the roughness of the surface of the metal sheet assembly 200 is improved to be The tighter bond between the plastics increases the overall structural strength of the plastic frame 10 and also increases the reliability of the product.
  • the plurality of protection angles 202 of the present embodiment are integrally connected to form the frame structure of the metal sheet assembly 200, thereby further enhancing the overall structural strength of the plastic frame 10.
  • a metal sheet assembly 200 having a contour similar to that of the plastic frame 10 is placed in the plastic frame 10 of the injection mold cavity as a skeleton of the plastic frame 10, and then a plastic material is injected into the mold to complete the injection molding.
  • FIG. 6 another structural diagram of the metal piece assembly 200 of the plastic frame 10 of the present embodiment is provided with a plurality of through holes 200 b on the surface of the metal piece assembly 200, and the structure of the former metal piece assembly 200 can also be achieved.
  • the effect of the surface roughness and the injection bonding strength of the metal piece assembly 200 is improved.
  • the surface of the metal piece assembly 200 can also be provided with the groove 200a and the through hole 200b at the same time.

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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

提供了一种胶框（10）及显示装置，胶框（10）包括多个侧壁围成的第一框体结构（100），第一框体结构（100）由塑胶（102）和金属片组件（200）一体注塑成型。因此，显示装置中可以省去铁框，节约了生产和制造成本，且连接性能好、可靠性高。

Description

一种胶框及显示装置 技术领域
本发明涉及显示技术领域，尤其涉及一种显示装置的胶框及显示装置。
背景技术
随着中小尺寸液晶技术的发展，背光模组的无前铁框设计已经成为产品结构设计的重要方向之一。一方面，没有了前铁框，液晶显示装置的边框可以做得更窄，显示区域更大；另一方面，节约了生产制造成本。
在尺寸相对较大的产品设计中，背光模组中取消铁框后，成本的降低尤为明显，但是也因此导致产品的整体强度较弱，影响到产品的可靠性。
发明内容
鉴于现有技术存在的不足，本发明提供了一种节约成本、可靠性高的胶框及显示装置。
为了实现上述的目的，本发明采用了如下的技术方案：
一种胶框，包括多个侧壁围成的第一框体结构，所述第一框体结构由塑胶和金属片组件一体注塑成型。
其中，所述金属片组件表面设有多个凹槽。
或者，所述金属片组件表面设有多个通孔。
其中，所述金属片组件包括多个保护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
其中，所述金属片组件完全包覆于塑胶内。
或者，所述金属片组件部分外露于所述第一框体结构外。
本发明还提供了一种显示装置，包括上述的胶框、液晶面板及背光组件， 所述背光组件容置于所述胶框内。
其中，所述金属片组件表面设有多个凹槽。
或者，所述金属片组件表面设有多个通孔。
其中，所述金属片组件包括多个保护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
其中，所述背光组件包括光学膜片、导光板、反射片和灯条组件，所述灯条组件包括相互垂直的水平部分和竖直部分，其中所述水平部分与所述光学膜片厚度相同。
其中，所述水平部分和所述竖直部分形成T形结构，所述水平部分的两端的下表面分别紧贴所述导光板和所述胶框顶面。
本发明的胶框应用于显示装置中可以省去铁框，节约了生产和制造成本，且连接性能好、可靠性高。
附图说明
图1为本发明实施例1的显示装置局部结构示意图。
图2为本发明实施例1的胶框结构示意图。
图3a为本发明实施例1的胶框的一种断面结构示意图。
图3b为本发明实施例1的胶框的另一种断面结构示意图。
图4为本发明实施例1的胶框的金属片组件的结构示意图。
图5为本发明实施例2的胶框的金属片组件的结构示意图。
图6为本发明实施例2的胶框的金属片组件的另一种结构示意图。
具体实施方式
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。
实施例1
参阅图1，本发明实施例1的显示装置包括：胶框10、液晶面板20、边框60及背光组件1，其中，胶框10大致为框体结构，将背光组件1容置于其中，背光组件1包括光学膜片30、导光板40、反射片50和灯条组件70，灯条组件70上设有多颗LED光源(图未标)，用于产生背光光线，包括相互垂直的水平部分70a和竖直部分70b，其中水平部分70a与光学膜片30厚度相同，水平部分70a的两端分别抵接边框60与光学膜片30，且水平部分70a的上表面通过遮光胶带80粘贴于液晶面板20下表面；竖直部分70b的底端垂直并紧贴反射片50上表面，竖直部分70b与水平部分70a形成T形结构，水平部分70a的两端的下表面分别紧贴导光板40上表面和胶框10的顶面。具体地，光学膜片30、导光板40和反射片50从上至下依次布置，液晶面板20通过遮光胶带80粘贴于边框60上端面、灯条组件70的水平部分70a上表面和光学膜片30的部分上表面。
同时结合图2和图3a，胶框10包括多个侧壁围成的第一框体结构100，第一框体结构100由塑胶102和金属片组件200一体注塑成型，该塑胶材料采用工程塑料。
如图4所示，为了提高塑胶102与金属片组件200的结合强度，金属片组件200表面设有多个凹槽200a以提高粗糙度。可以理解的是，金属片组件200表面也可以设有多个通孔，金属片组件200表面还可以同时设置凹槽和通孔，可以达到同样提高金属片组件200表面粗糙度和注塑结合强度的效果。
本实施例中，金属片组件200包括多个保护角202，每个保护角202包括两个相互垂直连接的金属片201，保护角202设置于第一框体结构100的四个角上，用以增强第一框体结构100的结构强度。
胶框10中，金属片组件200与塑胶102的注塑工艺可以有多种方式，图3a所示为金属片组件200完全包覆于塑胶内的情形，此种注塑方式成型的胶框10，可以在胶框10的表面做各种结构设计；图3b是另一种注塑方式，金属片组件200部分包覆于塑胶102内，且部分外露于第一框体结构100外。
具体注塑过程中，在注塑模具型腔中胶框10对应的四个角上分别放置相互垂直连接的金属片201形成的保护角202，作为胶框10各个角的补强部，然后向模具中注入塑胶材料完成注塑。
由于在胶框10的四个角上对应设有金属片组件200，同时，在金属片组件200的表面设有多个凹槽200a，提高了金属片组件200表面的粗糙度，使其与 塑胶之间的结合更紧密，提高了胶框10的整体结构强度，同时也提高了产品的可靠性。
实施例2
如图5所示，与实施例1不同的是，本实施例的多个保护角202一体连接，使金属片组件200形成框体结构，进一步增强了胶框10的整体结构强度。具体注塑过程中，在注塑模具型腔中胶框10中放置一轮廓外形与胶框10相似的金属片组件200作为胶框10的骨架，然后向模具中注入塑胶材料完成注塑。
如图6所示，为本实施例的胶框10的金属片组件200的另一种结构示意图，金属片组件200表面设有多个通孔200b，也可以达到前一种金属片组件200结构提高金属片组件200表面粗糙度和注塑结合强度的效果。可以理解的是，金属片组件200表面也可以同时设置凹槽200a和通孔200b。
以上所述仅是本申请的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (20)

  1. 一种胶框，包括多个侧壁围成的第一框体结构，所述第一框体结构由塑胶和金属片组件一体注塑成型。
  2. 根据权利要求1所述的胶框，其中，所述金属片组件表面设有多个凹槽。
  3. 根据权利要求1所述的胶框，其中，所述金属片组件表面设有多个通孔。
  4. 根据权利要求2所述的胶框，其中，所述金属片组件包括多个保护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
  5. 根据权利要求4所述的胶框，其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
  6. 根据权利要求5所述的胶框，其中，所述金属片组件完全包覆于塑胶内。
  7. 根据权利要求5所述的胶框，其中，所述金属片组件部分外露于所述第一框体结构外。
  8. 根据权利要求3所述的胶框，其中，所述金属片组件包括多个保护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
  9. 根据权利要求8所述的胶框，其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
  10. 根据权利要求9所述的胶框，其中，所述金属片组件完全包覆于塑胶内。
  11. 根据权利要求9所述的胶框，其中，所述金属片组件部分外露于所述第一框体结构外。
  12. 一种显示装置，其中，包括权利要求1所述的胶框、液晶面板及背光组件，所述背光组件容置于所述胶框内。
  13. 根据权利要求12所述的显示装置，其中，所述金属片组件表面设有多个凹槽。
  14. 根据权利要求13所述的显示装置，其中，所述金属片组件包括多个保 护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
  15. 根据权利要求14所述的显示装置，其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
  16. 根据权利要求12所述的显示装置，其中，所述金属片组件表面设有多个通孔。
  17. 根据权利要求16所述的显示装置，其中，所述金属片组件包括多个保护角，每个所述保护角包括两个相互垂直连接的金属片，所述保护角设置于所述第一框体结构的四个角上。
  18. 根据权利要求17所述的显示装置，其中，多个所述保护角一体连接，使所述金属片组件形成框体结构。
  19. 根据权利要求12所述的显示装置，其中，所述背光组件包括光学膜片、导光板、反射片和灯条组件，所述灯条组件包括相互垂直的水平部分和竖直部分，其中所述水平部分与所述光学膜片厚度相同。
  20. 根据权利要求19所述的显示装置，其中，所述水平部分和所述竖直部分形成T形结构，所述水平部分的两端的下表面分别紧贴所述导光板和所述胶框顶面。
PCT/CN2014/092185 2014-11-18 2014-11-25 一种胶框及显示装置 WO2016078106A1 (zh)

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