CN102799003B - 液晶显示设备 - Google Patents
液晶显示设备 Download PDFInfo
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- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 11
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- G—PHYSICS
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- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- 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
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
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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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
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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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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Abstract
本发明公开了一种液晶显示设备,所述液晶显示设备包含有:一背板;一导光板,位于所述光源之上,用来导光;一光学膜片,位于所述导光板之上,用来处理经过导光板导光后的光线;一液晶显示面板,直接乘载于所述光学膜片之上;一驱动芯片;一软性电路板,包含有金属导线,其中所述驱动芯片接合于所述软板,用来透过所述软板的金属导线耦接至所述液晶显示面板;以及一散热片,贴附于所述背板与所述软性电路板之间,用来散出所述驱动芯片产生的热能。<!--1-->
Description
技术领域
本发明涉及一种液晶显示设备,尤其涉及一种可省略胶框的液晶显示设备。
背景技术
液晶显示器(LiquidCrystalDisplay,LCD)轻、薄、低耗电等优点,被广泛应用于计算机、移动电话及个人数字助理等现代化信息设备。一般来说,液晶显示器包含液晶显示面板及背光模块(backlightmodule),由于液晶显示面板自身不会发光,因此液晶显示器必须仰赖背光模块内的光源来发出光线。由背光模块内的光源所发出的光线,经过液晶显示面板的液晶,藉由液晶的转向,来调整传递至使用者的光线强度,进而输出影像。
依照光源入射位置的不同,背光模块可以区分成侧向式入光(Side-lighttype)与直下式入光(Direct-lighttype)两种。侧向式入光代表背光模块的光源置放于液晶显示器的侧边,从侧边入光;而直下式入光则代表背光模块的光源置放于液晶显示面板的下方,从下方入光;藉以提供背光源至液晶显示面板。
请参阅图1,图1绘示了现有液晶显示设备100的结构。液晶显示设备100包含液晶显示面板110、前框120、胶框130、光学膜片140、导光板150、背板160、一软性电路板170、以及一驱动芯片180。
背板160用来乘载导光板150以及光学膜片140。导光板150用来传导自光源发出的光线,而光学膜片140位于导光板150之上,用来处理经过导光板150导光的光线。胶框130位于光学膜片140之上,用来压住光学膜片140,以固定光学膜片140的相对位置。
此外,驱动芯片180接合于软性电路板170上,而软性电路板170的一端贴合于液晶显示面板110,如此可允许驱动芯片180藉由软性电路板170的金属导线耦接于液晶显示面板110,以输出驱动信号至液晶显示面板110。软性电路板170另一端则贴合于前框120。
液晶显示面板110则位于胶框130之上而由胶框130来乘载,液晶显示面板110根据驱动芯片180所发出的驱动信号来控制内部液晶的转向,以调整光学膜片140传递过来的光线强度,进而输出影像。
前框120另用来固定所述液晶显示面板110的相对位置。
然而,在前述架构之下,液晶显示面板110必须藉由胶框130乘载,然而,胶框130在制造时需要较高的成本,且需要开模具来加工。此外,驱动芯片180与软性电路板170放置于胶框130与前框之间120也比较不利于驱动芯片180的散热。
此外,在这样的架构底下,由于胶框130必须用来压住光学膜片140,因此,光学膜片140四边的宽度与胶框130的宽度要够大,才能提供足够的力量来固定光学膜片130的位置。
但是,近年来,液晶显示设备设计地越来越美观,其中一个特点便是窄边框的设计,然而,前述的液晶显示设备100,由于胶框130的宽度必须够大,这样的结构不利于成就窄边框的设计方式。
因此,业界必须提出其他的方式,来解决这样的问题。
发明内容
本发明提供一种液晶显示设备,其具有全新的模块结构,可避免胶框的使用,以节省成本并且降低制造的复杂性,并且同时加强了驱动芯片的散热效果,此外,也由于本发明可避免使用胶框,因此在适当的模块规划后,亦可达到窄边框的设计目的。
为了解决上述技术问题,本发明提供了一种液晶显示设备,所述液晶显示设备包含有:一背板;一导光板,位于所述光源之上,用来导光;一光学膜片,位于所述导光板之上,用来处理经过导光板导光后的光线;一液晶显示面板,直接乘载于所述光学膜片之上;一驱动芯片;一软性电路板,包含有金属导线,其中所述驱动芯片接合于所述软板,用来透过所述软板的金属导线耦接至所述液晶显示面板;以及一散热片,贴附于所述背板与所述软性电路板之间,用来帮助所述驱动芯片散热。
其中,所述驱动芯片与所述软性电路板是以晶粒软板接合技术的方式接合。
或者,所述液晶显示设备另包含:一塑料薄膜,其一侧贴附于所述液晶显示面板,用来固定所述液晶显示面板。
其中,所述塑料薄膜的另一侧贴附于所述散热片。
此外,所述塑料薄膜的材质为聚对苯二甲酸乙二酯。
本发明还提供了一种液晶显示设备,所述液晶显示设备包含:一背板;一导光板,位于所述光源之上,用来导光;一光学膜片,位于所述导光板之上,用来处理经过导光板导光后的光线;一液晶显示面板,直接乘载于所述光学膜片之上;一散热片;以及一塑料薄膜,其一侧贴附于所述液晶显示面板,用来固定所述液晶显示面板;其中所述散热片贴附于所述塑料薄膜的另一侧与所述背板之间。
其中,所述塑料薄膜的材质为聚对苯二甲酸乙二酯
或者,所述液晶显示设备另包含:一驱动芯片;以及一软性电路板,包含有金属导线,其中所述驱动芯片接合于所述软板,用来透过所述软板的金属导线耦接至所述液晶显示面板。
其中,所述散热片另贴附于所述背板与所述软性电路板之间,用来帮助所述驱动芯片散热。
或者,所述驱动芯片与所述软性电路板是以晶粒软板接合技术的方式接合。
本发明具有如下有益效果:由于本发明液晶显示设备具有全新的模块结构,可避免胶框的使用,以节省成本并且降低制造的复杂性;此外,本发明液晶显示设备将驱动芯片藉由散热片贴合于金属背框,如此可以增加驱动芯片的散热效果;另一方面,本发明液晶显示设备可利用塑料薄膜替代前框,如此亦可降低成本。除了前述的优点之外,由于本发明无须使用胶框,并可使用塑料替代前框,因此,液晶显示面板四周的宽度可以较窄,如此亦可达到窄边框的设计目的。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对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,下面描述中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性的前提下,还可以根据这些附图获得其他的附图。
图1绘示了现有液晶显示设备的结构。
图2绘示了本发明液晶显示设备一实施例的结构。
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,所描述的实施例仅仅是本发明一部分实施例,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做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
图2绘示了本发明液晶显示设备200一实施例的结构。液晶显示设备200包含液晶显示面板210、塑料薄膜220、散热片230、光学膜片240、导光板250、背板260、一软性电路板270、以及一驱动芯片280。
背板260用来乘载导光板250以及光学膜片240。导光板250用来传导自光源发出的光线,而光学膜片240位于导光板250之上,用来处理经过导光板250导光的光线。
在此请注意,本发明液晶显示设备200无须使用胶框。于本实施例中,液晶显示面板210直接压在光学膜片240上,而直接由光学膜片240乘载,以固定光学膜片240的相对位置。因此,本发明可以节省胶框的成本,亦可省略胶框制造时所须的模具,降低了制造的复杂度。
此外,驱动芯片280与软性电路板270是以晶粒软板接合技术的方式接合,也就是说,驱动芯片280接合于软性电路板270上,而软性电路板270的一端贴合于液晶显示面板210,如此可允许驱动芯片280藉由软性电路板270的金属导线耦接于液晶显示面板210,以输出驱动信号至液晶显示面板210。因此,液晶显示面板210根据驱动芯片280所发出的驱动信号来控制内部液晶的转向,以调整光学膜片240传递过来的光线的强度,进而输出影像。
在此请另注意,本发明液晶显示设备200内的软性电路板270亦有不同的做法,于本实施例中,软性电路板270具有驱动芯片280的位置会藉由散热片230贴合于背板260,也就是说,散热片230贴合于背板260与驱动芯片280(软性电路板270)之间,因此,散热片230便可以帮助驱动芯片280散热,以将驱动芯片280所产生的热迅速导热至背板260进行散热,如此不但可以加强驱动芯片280的散热效果,亦可防止驱动芯片280被背板260刮伤。
此外,本发明液晶显示设备200利用塑料薄膜220来替代前框,于本实施例中,塑料薄膜220的材质为聚对苯二甲酸乙二酯(Polyethyleneterephthalate,PET),其一端直接贴附于液晶显示面板210,以固定液晶显示面板210的相对位置,而另一端藉由散热片230贴附至背板260。也就是说,本发明直接利用塑料薄膜220来固定液晶显示面板210,如此便可节约前框的成本。
此外,本发明液晶显示设备200另具有一优点,由于本发明液晶显示设备200无须使用胶框,并且以塑料薄膜220来替代前框,因此,经过适当的设计,液晶显示面板210四周的宽度可以更窄,如此可达到窄边框的设计目的。
相较于现有技术,本发明液晶显示设备具有全新的模块结构,可避免胶框的使用,以节省成本并且降低制造的复杂性;此外,本发明液晶显示设备将驱动芯片藉由散热片贴合于金属背框,如此可以增加驱动芯片的散热效果;另一方面,本发明液晶显示设备可利用塑料薄膜替代前框,如此亦可降低成本。除了前述的优点之外,由于本发明无须使用胶框,并可使用塑料膜片替代前框,因此,液晶显示面板四周的宽度可以较窄,如此亦可达到窄边框的设计目的。
综上所述,虽然本发明已以较佳实施例揭露如上,但该较佳实施例并非用以限制本发明,该领域的普通技术人员,在不脱离本发明的精神和范围内,均可作各种更动与润饰,因此本发明的保护范围以权利要求界定的范围为准。
Claims (10)
1.一种液晶显示设备,其特征在于:所述液晶显示设备包含:
一背板;
一导光板,位于所述背板之上,用来导光;
一光学膜片,位于所述导光板之上,用来处理经过所述导光板导光后的光线;
一液晶显示面板,直接乘载于所述光学膜片之上;
一驱动芯片;
一软性电路板,包含有金属导线,其中所述驱动芯片接合(bonding)于所述软性电路板,用来通过所述软性电路板的金属导线耦接至所述液晶显示面板;以及
一散热片,呈U字型,所述散热片的U字型开口宽度等于所述背板的厚度,所述散热片夹持所述背板并贴附于所述背板与所述软性电路板之间,用来散出所述驱动芯片产生的热能。
2.如权利要求1所述的液晶显示设备,其特征在于:所述驱动芯片与所述软性电路板是以晶粒软板接合技术(chiponfilm,COF)的方式接合。
3.如权利要求1所述的液晶显示设备,其特征在于:所述液晶显示设备另包含:
一塑料薄膜,其一侧贴附于所述液晶显示面板,用来固定所述液晶显示面板。
4.如权利要求3所述的液晶显示设备,其特征在于:所述塑料薄膜的另一侧贴附于所述散热片。
5.如权利要求3所述的液晶显示设备,其特征在于:所述塑料薄膜的材质为聚对苯二甲酸乙二酯(Polyethyleneterephthalate,PET)。
6.一种液晶显示设备,其特征在于:所述液晶显示设备包含:
一背板;
一导光板,位于光源之上,用来导光;
一光学膜片,位于所述导光板之上,用来处理经过所述导光板导光后的光线;
一液晶显示面板,直接乘载于所述光学膜片之上;
一散热片,呈U字型,所述散热片的U字型开口宽度等于所述背板的厚度,所述散热片夹持所述背板;以及
一塑料薄膜,其一侧贴附于所述液晶显示面板,用来固定所述液晶显示面板;
其中所述散热片贴附于所述塑料薄膜的另一侧与所述背板之间。
7.如权利要求6所述的液晶显示设备,其特征在于:所述塑料薄膜的材质为聚对苯二甲酸乙二酯(Polyethyleneterephthalate,PET)。
8.如权利要求6所述的液晶显示设备,其特征在于:所述液晶显示设备另包含:
一驱动芯片;以及
一软性电路板,包含有金属导线,其中所述驱动芯片接合(bonding)于所述软性电路板,用来通过所述软性电路板的金属导线耦接至所述液晶显示面板。
9.如权利要求8所述的液晶显示设备,其特征在于:所述散热片另贴附于所述背板与所述软性电路板之间,用来散出所述驱动芯片产生的热能。
10.如权利要求8所述的液晶显示设备,其特征在于:所述驱动芯片与所述软性电路板是以晶粒软板接合技术的方式接合。
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CN201210307707.8A CN102799003B (zh) | 2012-08-27 | 2012-08-27 | 液晶显示设备 |
PCT/CN2012/080909 WO2014032303A1 (zh) | 2012-08-27 | 2012-09-03 | 液晶显示设备 |
US13/636,704 US9046724B1 (en) | 2012-08-27 | 2012-09-03 | Liquid crystal display device |
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CN102867476B (zh) * | 2012-09-19 | 2015-04-15 | 深圳市华星光电技术有限公司 | 显示装置 |
CN103249246B (zh) * | 2013-05-06 | 2016-06-01 | 深圳市华星光电技术有限公司 | 电路板及显示装置 |
CN106959538B (zh) * | 2017-05-26 | 2020-06-26 | 惠科股份有限公司 | 一种散热结构及显示装置 |
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KR20060126070A (ko) * | 2005-06-03 | 2006-12-07 | 삼성전자주식회사 | 구동 집적 회로칩 패키지 및 이를 구비한 표시 장치 |
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US8421979B2 (en) * | 2008-07-28 | 2013-04-16 | Sharp Kabushiki Kaisha | Display panel and display device including the same |
WO2010032520A1 (ja) * | 2008-09-17 | 2010-03-25 | シャープ株式会社 | 表示装置およびテレビ受信装置 |
WO2010052958A1 (ja) * | 2008-11-10 | 2010-05-14 | シャープ株式会社 | 表示装置 |
CN201803239U (zh) * | 2010-09-10 | 2011-04-20 | 康佳集团股份有限公司 | 一种led单侧入光背光模组及其液晶显示装置 |
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- 2012-08-27 CN CN201210307707.8A patent/CN102799003B/zh not_active Expired - Fee Related
- 2012-09-03 WO PCT/CN2012/080909 patent/WO2014032303A1/zh active Application Filing
- 2012-09-03 US US13/636,704 patent/US9046724B1/en not_active Expired - Fee Related
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JP2003167230A (ja) * | 2001-11-29 | 2003-06-13 | Sharp Corp | 表示装置及び表示装置の製造方法 |
JP2007026916A (ja) * | 2005-07-19 | 2007-02-01 | Casio Comput Co Ltd | 照明装置 |
CN101329478A (zh) * | 2007-06-20 | 2008-12-24 | 三菱电机株式会社 | 显示装置以及液晶显示装置 |
CN101393329A (zh) * | 2007-09-20 | 2009-03-25 | Nec液晶技术株式会社 | 一种装置及其制造方法 |
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WO2014032303A1 (zh) | 2014-03-06 |
US9046724B1 (en) | 2015-06-02 |
US20150177551A1 (en) | 2015-06-25 |
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