CN107132682A - 一体化液晶屏背板的制造方法 - Google Patents

一体化液晶屏背板的制造方法 Download PDF

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CN107132682A
CN107132682A CN201710374254.3A CN201710374254A CN107132682A CN 107132682 A CN107132682 A CN 107132682A CN 201710374254 A CN201710374254 A CN 201710374254A CN 107132682 A CN107132682 A CN 107132682A
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base material
liquid crystal
crystal screen
manufacture method
integrated liquid
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刘丙炎
杜国栋
干文韬
王芳
周鹏
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ZHUHAI SPEEDBIRD PVC FILM LAMINATED METAL SHEET CO Ltd
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    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314Back frames
    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
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  • Optics & Photonics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明公开了一种一体化液晶屏背板的制造方法,包括以下步骤:步骤一、采用镀锌板做基材,对基材进行脱脂清洗,将清洗过后的基材进行热风吹扫,然后烘干;步骤二、在处理后的基材一侧上部通过涂机涂底漆,并放入固化炉内烘干,然后喷淋冷却处理并用热风吹扫烘干;步骤三、在底漆上贴覆PVC膜或PET膜;步骤四、对处理后的基材进行分条剪切,然后堆垛打包。本制造方法工艺简单,使得基材空出下部的厚度,以便在该侧下部安装电路板和面壳,从而替代传统液晶屏中框和上部的塑料面壳,相当于将传统液晶屏背板上、下部的中框和上部的塑料面壳一体化,在降低生产工艺复杂程度的同时,减小了整个液晶屏的厚度,节省材料,提升产品档次。

Description

一体化液晶屏背板的制造方法
技术领域
本发明涉及液晶电视和液晶显示器零部件领域,尤其涉及液晶屏背板的制造方法。
背景技术
目前,普通液晶电视和液晶显示器背壳大多由两部分组成,内层为金属板材冲压成型的中框,外层为塑料面壳。液晶面板和电路板分别安装在中框的内侧和外侧,塑料面壳将电路板包裹起来,起保护作用。随着液晶屏向薄型化发展,为了追求视觉超薄效果,逐渐将原来散乱分布在整个中框背面的各种电路板集中到底部,无电路板部分的液晶屏厚度基本就等于液晶面板加中框和塑料面壳的厚度,但这仍然满足不了消费者对超薄的迫切需要。
发明内容
为了克服上述现有技术的不足,本发明提供了一种一体化液晶屏背板的制造方法,其制造工艺简单,降低整个液晶屏的厚度。
本发明解决其技术问题所采用的技术方案为:
一体化液晶屏背板的制造方法,包括以下步骤:
步骤一、采用镀锌板做基材,对基材进行脱脂清洗,将清洗过后的基材进行热风吹扫,然后烘干;
步骤二、在处理后的基材一侧上部通过涂机涂底漆,并放入固化炉内烘干,然后喷淋冷却处理并用热风吹扫烘干;
步骤三、在底漆上贴覆PVC膜或PET膜;
步骤四、对处理后的基材进行分条剪切,然后堆垛打包。
作为上述技术方案的改进,在步骤一和步骤二之间还设有以下步骤:在基材一侧下部通过涂机涂耐指纹涂层,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
作为上述技术方案的改进,在步骤一和步骤二之间还设有以下步骤:在基材另一侧通过涂机涂防腐背漆,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
作为上述技术方案的改进,在步骤一和步骤二之间还设有以下步骤:在基材一侧下部通过涂机涂耐指纹涂层,并在基材另一侧通过涂机涂防腐背漆,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
作为上述技术方案的改进,所述基材厚度为0.5~1.5mm,所述PVC膜厚度为0.1~1.0mm,所述PET膜厚度为0.01~0.1mm,所述底漆厚度为3~20μm。
作为上述技术方案的改进,所述耐指纹涂层厚度为1~10μm。
作为上述技术方案的改进,所述防腐背漆厚度为3~15μm。
本发明的有益效果有:
本制造方法工艺简单,通过在基材一侧上部涂底漆,并在底漆上贴覆PVC膜或PET膜,使得基材空出下部的厚度,以便在该侧下部安装电路板和面壳,从而替代传统液晶屏中框和上部的塑料面壳,相当于将传统液晶屏背板上、下部的中框和上部的塑料面壳一体化,在降低生产工艺复杂程度的同时,大大地减小了整个液晶屏的厚度,使得整个液晶屏最薄处的厚度由原来的30~40mm减小到10mm以内,还能节省材料,提升产品档次。
具体实施方式
本发明的一种一体化液晶屏背板的制造方法,包括以下步骤:
步骤一、采用镀锌板做基材,对基材进行脱脂清洗,将清洗过后的基材进行热风吹扫,然后烘干;
步骤二、在处理后的基材一侧上部通过涂机涂底漆,并放入固化炉内烘干,然后喷淋冷却处理并用热风吹扫烘干;
步骤三、在底漆上贴覆PVC膜或PET膜;
步骤四、对处理后的基材进行分条剪切,然后堆垛打包。
此外,本实施例在步骤一和步骤二之间还设有以下步骤:在基材一侧下部通过涂机涂耐指纹涂层,并在基材另一侧通过涂机涂防腐背漆,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
耐指纹涂层具有防腐和导电的性能,耐指纹涂层外可安装电路板和面壳,面壳罩设在电路板外,将电路板包裹起来,起保护作用,面壳采用冲压成型,减小工艺复杂程度,防腐背漆结合耐指纹涂层,可使背板具有更好的耐腐蚀效果,根据产品要求在底漆上贴覆PVC膜或PET膜,在其他实施例中,可单独涂耐指纹涂层或防腐背漆。
具体地,基材厚度优选为0.5~1.5mm,底漆厚度优选为3~20μm,PVC膜厚度优选为0.1~1.0mm,PET膜厚度优选为0.01~0.1mm,耐指纹涂层厚度优选为1~10μm,防腐背漆厚度优选为3~15μm,整个液晶屏背板非常薄。
相对于传统液晶屏的中框和上部的塑料面壳,本液晶屏背板中的金属板相当于将传统液晶屏背板上、下部的中框和塑料面壳一体化,在降低生产工艺复杂程度的同时,大大地减小了整个液晶屏的厚度,使得整个液晶屏最薄处的厚度由原来的30~40mm减小到10mm以内,若单独只将传统液晶屏背板上部的中框和塑料面壳一体化,而下部再设计中框和塑料面壳以保护电路板,这样虽然也减小了液晶屏厚度,但会增加工艺复杂程度,因而本产品的设计更经济,还能节省材料,金属外观更能提升产品档次,可应用在液晶电视和液晶显示器上。
以上所述,只是本发明的较佳实施方式而已,但本发明并不限于上述实施例,只要其以任何相同或相似手段达到本发明的技术效果,都应属于本发明的保护范围。

Claims (9)

1.一体化液晶屏背板的制造方法,其特征在于,包括以下步骤:
步骤一、采用镀锌板做基材,对基材进行脱脂清洗,将清洗过后的基材进行热风吹扫,然后烘干;
步骤二、在处理后的基材一侧上部通过涂机涂底漆,并放入固化炉内烘干,然后喷淋冷却处理并用热风吹扫烘干;
步骤三、在底漆上贴覆PVC膜或PET膜;
步骤四、对处理后的基材进行分条剪切,然后堆垛打包。
2.根据权利要求1所述的一体化液晶屏背板的制造方法,其特征在于,在步骤一和步骤二之间还设有以下步骤:在基材一侧下部通过涂机涂耐指纹涂层,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
3.根据权利要求1所述的一体化液晶屏背板的制造方法,其特征在于,在步骤一和步骤二之间还设有以下步骤:在基材另一侧通过涂机涂防腐背漆,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
4.根据权利要求1所述的一体化液晶屏背板的制造方法,其特征在于,在步骤一和步骤二之间还设有以下步骤:在基材一侧下部通过涂机涂耐指纹涂层,并在基材另一侧通过涂机涂防腐背漆,然后放入固化炉内烘干,再喷淋冷却处理并用热风吹扫烘干。
5.根据权利要求1所述的一体化液晶屏背板的制造方法,其特征在于,所述基材厚度为0.5~1.5mm。
6.根据权利要求5所述的一体化液晶屏背板的制造方法,其特征在于,所述PVC膜厚度为0.1~1.0mm,所述PET膜厚度为0.01~0.1mm。
7.根据权利要求5所述的一体化液晶屏背板的制造方法,其特征在于,所述底漆厚度为3~20μm。
8.根据权利要求2或4所述的一体化液晶屏背板的制造方法,其特征在于,所述耐指纹涂层厚度为1~10μm。
9.根据权利要求3或4所述的一体化液晶屏背板的制造方法,其特征在于,所述防腐背漆厚度为3~15μm。
CN201710374254.3A 2017-05-24 2017-05-24 一体化液晶屏背板的制造方法 Pending CN107132682A (zh)

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WO2021258680A1 (zh) * 2020-06-24 2021-12-30 深圳Tcl数字技术有限公司 一种中框制作方法及中框、电视机

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Application publication date: 20170905