WO2015066942A1 - 无边框液晶显示装置 - Google Patents
无边框液晶显示装置 Download PDFInfo
- Publication number
- WO2015066942A1 WO2015066942A1 PCT/CN2013/087079 CN2013087079W WO2015066942A1 WO 2015066942 A1 WO2015066942 A1 WO 2015066942A1 CN 2013087079 W CN2013087079 W CN 2013087079W WO 2015066942 A1 WO2015066942 A1 WO 2015066942A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid crystal
- crystal display
- plate
- backlight module
- display device
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 120
- 239000000758 substrate Substances 0.000 claims description 48
- 238000009792 diffusion process Methods 0.000 claims description 9
- 239000012788 optical film Substances 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 claims 7
- 238000003475 lamination Methods 0.000 claims 2
- 239000000565 sealant Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- 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
- G02F1/133322—Mechanical guidance or alignment of LCD panel support components
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/46—Fixing elements
Definitions
- the present invention relates to a display device, and more particularly to a frameless liquid crystal display device. Background technique
- Liquid Crystal Display has many advantages such as 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 backlight module.
- the working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates, control the liquid crystal molecules to change direction by energizing or not the glass substrate, and generate light from the backlight module.
- the liquid crystal display device generally includes a rear case, a front case disposed in cooperation with the rear case, a backlight module disposed in the rear case, a plastic frame disposed on the backlight module, and a liquid crystal display panel disposed on the plastic frame.
- the plastic frame is used to carry the liquid crystal display panel
- the front case is used to fix the liquid crystal display panel.
- the liquid crystal display panel comprises a color filter substrate (CF), a thin film transistor substrate (TFT), a liquid crystal (LC) sandwiched between the color filter substrate and the thin film transistor substrate, and a sealant frame.
- Sealant a gap is formed between the CF substrate and the edge of the TFT substrate for electrically connecting an external device, thereby driving the liquid crystal display panel.
- the liquid crystal display device gradually becomes narrower framed, and further develops toward the frameless direction, and the liquid crystal display panel and the backlight module of the borderless liquid crystal display device are fixed, which has become a big Question.
- FIG. 1 is a schematic structural view of a conventional frameless liquid crystal display device, including: a rear case 100, a plastic frame 200 disposed in the rear case 100, and a backlight module 300 disposed in the plastic frame 200.
- the liquid crystal display panel 400 is disposed on the backlight module 300, and the liquid crystal display panel 400 passes through an adhesive member (eg, glue ice, instant adhesive, thermosetting adhesive or photocurable adhesive).
- an adhesive member eg, glue ice, instant adhesive, thermosetting adhesive or photocurable adhesive.
- a circuit receiving portion 600 is disposed between one side of the frame 200 and one side wall of the side wall 120 of the rear case 100 parallel to the side of the frame 200 for placing a plurality of circuits electrically connected to the liquid crystal display panel 400.
- the film 700 and the PCB board 800 are covered by the decorative cover 900 to realize the PCB board of the frameless liquid crystal display device. Fixed at 800.
- the thickness can be minimized and the aesthetics can be improved with a novel structure, and the PCB board 800 originally placed under the backlight module 300 can be placed on the liquid crystal display panel.
- the side of the 400 further reduces the thickness of the liquid crystal display device.
- the liquid crystal display panel 400 and the backlight module 300 of the liquid crystal display device of the structure are both fixed by the bonding member 500.
- bonding is required.
- the adhesiveness of the component 500 is sufficiently strong, which results in the adhesive member 500 being difficult to remove when the liquid crystal display panel 400 and the backlight module 300 are removed, which may damage the liquid crystal display panel 400 and the backlight module 300, causing huge losses and disadvantages. Disassembly during after-sales maintenance increases maintenance costs.
- the present invention provides a frameless liquid crystal display device, including: a rear case, a plastic frame fixedly mounted in the rear case, a backlight module fixedly mounted in the plastic frame, and fixedly mounted in the plastic frame and located a liquid crystal display panel above the backlight module,
- the plastic frame comprises a bottom plate, two first side plates vertically connected to the bottom plate and oppositely connected to the bottom plate, and two second side plates respectively connecting the two first side plates
- the first side plate and the second engaging groove are respectively disposed on the two first side plates
- the backlight module is snap-fitted in the first-joint groove
- the liquid crystal display panel is snap-fitted on the In the second engagement slot.
- the plastic frame is fixedly mounted in the rear case by screw locking.
- the backlight module includes: a light guide plate, a backlight disposed on one side of the light guide plate, an optical film set disposed above the light guide plate, and a reflective sheet disposed under the light guide plate.
- Two sides of the light guide plate are respectively provided with a first-joining portion opposite to the first first "coinciding groove", and the first engaging portion is engaged and installed in the first-closing groove, thereby further guiding the light guide plate
- the card is mounted in the plastic frame, and the backlight is fixedly mounted on the second side plate corresponding to the light guide plate.
- the backlight module includes: a diffusing plate, a backlight disposed under the diffusing plate, an optical film set disposed above the diffusing plate, and a reflective sheet disposed under the diffusing plate, wherein the diffusing plate is snap-fitted to the first In a "slot", the backlight is mounted on the bottom plate corresponding to the diffusion plate.
- the liquid crystal display panel includes: a CF substrate; a TFT substrate that is disposed to face the CF substrate; and a liquid crystal layer disposed between the CF substrate and the TFT substrate.
- the size of the CF substrate is smaller than the size of the TTT substrate.
- a gap corresponding to the second engaging groove is formed at opposite ends of the TFT substrate, and the gap is engaged and mounted in the second engaging groove, thereby further enclosing the liquid crystal display panel
- the back cover has a first accommodating portion and a second accommodating portion, and the plastic frame, the backlight module and the liquid crystal display panel are received in the first accommodating portion.
- the method further includes: a PCB board electrically connected to the liquid crystal display panel, a support frame for carrying the PCB board, and a decorative cover for covering the second housing portion of the rear case, the support frame being mounted on the second receiving
- the PCB board is mounted on the support frame.
- the PCB board includes: a first board part, a second board part, and a third board part, and the first board part, the second board part, and the third board part are sequentially increased in size, and the support frame is corresponding to the first
- the plate portion, the second plate portion and the third plate portion are provided with a first support portion, a second support portion and a third support portion arranged in a stepped manner, and the first plate portion, the second plate portion and the third plate portion are respectively fixed Mounted on the first support portion, the second support portion, and the third support portion.
- the support frame is fixedly mounted in the second accommodating portion by means of a screw-locking manner, and the decorative cover is fastened to the second accommodating portion by being engaged.
- the present invention also provides a frameless liquid crystal display device, comprising: a rear case, a plastic frame fixedly mounted in the rear case, a backlight module fixedly mounted in the plastic frame, and fixedly mounted in the plastic frame and located above the backlight module
- the liquid crystal display panel the plastic frame comprises a bottom plate, two first side plates vertically connected to the bottom plate and oppositely disposed, and a second inverted plate vertically connected to the bottom plate and connecting the two first side plates respectively at the two ends, the two first plates a first engaging groove and a second engaging groove are respectively disposed on the side plate, the backlight module is snap-fitted in the first engaging groove, and the liquid crystal display panel is snap-fitted to the second engaging groove Inside;
- the plastic frame is fixedly mounted in the rear case by a screw locking manner
- the backlight module includes: a light guide plate, a backlight disposed on one side of the light guide plate, an optical film set disposed above the light guide plate, and a reflective sheet disposed under the light guide plate;
- the two sides of the light guide plate are respectively provided with a first "joining portion” with respect to the two first engaging grooves, and the first "joining portion” is engaged and installed in the first-closing groove, and further guides
- the light board is snap-fitted in the plastic frame, and the backlight is fixedly mounted on the second side plate corresponding to the light guide plate;
- the liquid crystal display panel includes: a CF substrate; a TFT substrate disposed opposite to the CF substrate; and a liquid crystal layer disposed between the CF substrate and the TFT substrate, wherein the size of the CF substrate is smaller than a size of the TFT substrate, and the bonding
- the opposite ends of the TFT substrate are formed with a gap corresponding to the second engaging groove, the gap is snap-fitted into the second engaging groove, and the liquid crystal display panel is snapped and installed on the moon.
- the back cover has a first receiving portion and a second receiving portion, and the plastic frame, the backlight module and the liquid crystal display panel are received in the first receiving portion.
- the method further includes: a PCB board electrically connected to the liquid crystal display panel, and a branch for carrying the PCB board And a decorative cover for covering the second receiving portion of the rear case, the support frame is mounted in the second receiving portion, and the PCB board is mounted on the support frame.
- the PCB board includes: a first board part, a second board part, and a third board part, and the first board part, the second board part, and the third board part are sequentially increased in size, and the support frame is corresponding to the first
- the plate portion, the second plate portion and the third plate portion are provided with a first support portion, a second support portion and a third support portion arranged in a stepped manner, and the first plate portion, the second plate portion and the third plate portion are respectively fixed Mounted on the first support portion, the second support portion, and the third support portion.
- the support frame is fixedly mounted in the second accommodating portion by means of a screw-locking manner, and the decorative cover is fastened to the second accommodating portion by being engaged.
- the present invention provides a frameless liquid crystal display device, which is provided with a locking portion that is matched with the two engaging grooves on the backlight module and the liquid crystal display panel by providing two engaging grooves on the plastic frame. And the gap difference, the backlight module and the liquid crystal display panel are detachably mounted on the plastic frame by the snapping manner, thereby realizing the fixing of the backlight module of the borderless liquid crystal display device and the liquid crystal display panel, the structure is simple, the installation is convenient, and the need is When the backlight module or the liquid crystal display panel is repaired or replaced, it is easy to disassemble and effectively reduce the maintenance cost.
- FIG. 1 is a schematic structural view of a conventional frameless liquid crystal display device
- FIG. 2 is a schematic structural view of a frameless liquid crystal display device according to a preferred embodiment of the present invention
- FIG. 3 is a perspective view of the plastic frame of FIG.
- Figure 4 is a perspective view of the light guide plate of Figure 2;
- Figure 5 is a perspective view of the liquid crystal display panel of Figure 2;
- FIG. 6 is a schematic structural view of another preferred embodiment of a frameless liquid crystal display device of the present invention. Concrete real way
- the present invention provides a frameless liquid crystal display device, comprising: a rear case 2, a plastic frame 4 fixedly mounted in the rear case 2, and a backlight module fixedly mounted in the plastic frame 4.
- the liquid crystal display panel 8 is fixedly mounted on the plastic frame 4 and located above the backlight module 6.
- the plastic frame 4 includes a bottom plate 42 and two first side plates 44 and vertical connections that are vertically connected to the bottom plate 42 and are oppositely disposed.
- the second side plate 46 of the first side plate 44 is connected to the bottom plate 42 and the two ends of the first side plate 44.
- the two first side plates 44 and the second side plate 46 respectively define an accommodating space that is open at one end.
- the two first side plates 44 are respectively The first engaging groove 442 and the second engaging groove 444 are respectively disposed, and the backlight module 6 is inserted into the first engaging groove 442 through the open end and is engaged and mounted in the first engaging groove 442.
- the liquid crystal display panel 8 is inserted into the second engaging groove 444 through the open end and is snap-fitted into the second engaging groove 444, and is formed on the backlight module and the liquid crystal display panel by providing two engaging grooves on the plastic frame.
- the liquid crystal display panel can be detachably mounted on the plastic frame to realize the fixing of the backlight module of the borderless liquid crystal display device and the liquid crystal display panel, and the structure is simple and convenient to install, and the backlight module or the liquid crystal display panel needs to be repaired or more. When changing time, it is easy to disassemble and effectively reduce maintenance costs.
- the backlight module 6 is a side-lit backlight module, and includes a light guide plate 62, a backlight (not shown) disposed on the side of the light guide plate 62, and a light guide plate. 62
- the first engaging portion 622 is engaged with the first engaging groove 442, and the first engaging portion 622 is engaged with the first engaging groove 442.
- the light guide plate 62 is locked and mounted in the plastic frame 4, and the backlight is fixedly mounted on the second side plate 46 corresponding to the light guide plate 62, so that the backlight module 6 is fixedly mounted in the plastic frame 4.
- the liquid crystal display panel 8 includes a CF substrate 82, a TFT substrate 84 that is disposed to face the CF substrate 82, and a liquid crystal layer (not shown) disposed between the CF substrate 82 and the TFT substrate 84.
- the size of the CF substrate 82 is smaller than the size of the TFT substrate 84.
- the backlight is fixedly mounted on the second inverted plate 46 of the plastic frame 4, and the light guide plate 62 provided with the optical film set 66 is inserted into the first engaging groove 442 from the open end. Then, the liquid crystal display panel 8 is inserted into the second engaging groove 444. Finally, the plastic frame 4 is fixedly mounted in the rear case 2 by screwing, thereby realizing assembly of the liquid crystal display device of the present invention.
- the frameless liquid crystal display device of the present invention further includes: a PCB board 10 electrically connected to the liquid crystal display panel 8, a support frame 12 for carrying the PCB board 10, and a decorative cover. 14.
- the back cover 2 has a first accommodating portion 22 and a second accommodating portion 24, and the frame 4, the backlight module 6 and the liquid crystal display panel 8 are received in the first accommodating portion 22.
- the support frame 12 is fixedly mounted in the second accommodating portion 24 by means of a screw-locking manner.
- the PCB board 10 is mounted on the support frame 12, and the decorative cover 14 is fastened by snapping.
- the second housing portion 24 is disposed to completely cover the PCB board 10 to prevent dust or the like from falling onto the PCB board 10.
- the PCB board 10 includes: a first board part 102, a second board part 104, and a third board part 106, and the first board part 102, the second board part 104, and the third part
- the size of the plate portion 106 is sequentially increased.
- the first plate portion 102, the second plate portion 104, and the third plate portion 106 of the support frame 12 are provided with a first support portion 122 and a second support portion 24 arranged in a stepped manner.
- the third support portion 126, the first plate portion 102, the second plate portion 104, and the third plate portion 106 are fixedly mounted on the first support portion 122, the second support portion 124, and the third support portion 126, respectively.
- the backlight module 6' is a direct-lit backlight module.
- the method includes: a diffusion plate 61 and a backlight 64 disposed under the diffusion plate 61.
- the second engaging portion 612 is snap-fitted into the first engaging groove 442, and the backlight 64 is mounted on the bottom plate 42 corresponding to the diffusing plate 61.
- the present invention provides a frameless liquid crystal display device in which a locking portion that fits with the two engaging grooves is formed on the backlight module and the liquid crystal display panel by providing two engaging grooves on the plastic frame.
- the gap module and the liquid crystal display panel are detachably mounted on the plastic frame by the snapping manner, thereby realizing the fixing of the backlight module of the borderless liquid crystal display device and the liquid crystal display panel, and the structure is simple and the installation is convenient.
- the backlight module or the liquid crystal display panel needs to be repaired or replaced, it is easy to disassemble and effectively reduce the maintenance cost.
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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
一种无边框液晶显示装置,包括:后壳(2)、固定安装于后壳(2)内的胶框(4)、固定安装于胶框(4)内的背光模组(6)及固定安装于胶框(4)内且位于背光模组(6)上方的液晶显示面板(8),胶框(4)包括底板(42)、垂直连接于底板(42)且相对设置的两第一侧板(44)及垂直连接于底板(42)且两端分别连接两第一侧板(44)的一第二侧板(46),两第一侧板(44)上分别设有第一卡合槽(442)与第二卡合槽(444),背光模组(6)卡合安装于第一卡合槽(442)内,液晶显示面板(8)卡合安装于第二卡合槽(444)内,通过卡合方式将背光模组(6)和液晶显示面板(8)可拆卸安装于胶框(4)上,结构简单,安装方便。
Description
本发明涉及一种显示装置, 尤其涉及一种无边框液晶显示装置。 背景技术
液晶显示装置 ( Liquid Crystal Display, LCD )具有机身薄、 省电、 无 辐射等众多优点, 得到了广泛的应用。 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及背光模组 (backlight module ) 。 液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液 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 光线浙 · 出来产生画面。
所述液晶显示装置一般包括: 后壳、 与后壳配合设置的前壳、 设于后 壳内的背光模组、 设于背光模组上的胶框及设于胶框上的液晶显示面板, 其中, 胶框用于承载液晶显示面板, 前壳用于固定液晶显示面板。
所述液晶显示面板包括彩膜基板 ( Color Filter, CF ) 、 薄膜晶体管基 板(Thin Film Transistor, TFT), 夹于彩膜基板与薄膜晶体管基板之间的液 晶 ( Liquid Crystal, LC )及密封胶框( Sealant , 该 CF基板与 TFT基板 的边缘处形成有一断差, 用于电性连接外部设备, 进而驱动液晶显示面 板。
随着液晶显示装置生产技术不断的发展, 液晶显示装置逐步趋向窄边 框化, 进一步向无边框方向发展, 而无边框液晶显示装置的液晶显示面板 和背光模组的固定方式, 成为当今的一大课题。
请参阅图 1 , 为现有的无边框液晶显示装置的结构示意图, 其包括: 后壳 100、 设于后壳 100内的胶框 200, 设于胶框 200内的背光模组 300, 设于胶框 200内并设于背光模组 300上的液晶显示面板 400, 该液晶显示 面板 400通过粘接构件 ( 如, 胶氷, 瞬时粘合剂、 热固性粘合剂或可光 固化的粘合剂 500粘接至胶框 200上, 背光模组 300也通过粘接的方式 固定于胶框 200上, 进而实现无边框液晶显示装置的液晶显示面板 400和 背光模组 300的固定; 同时, 在胶框 200的一侧和与胶框 200这一侧平行 的后壳 100侧壁 120的一个侧壁之间制备有电路容置部 600, 用于放置与 液晶显示面板 400电性连接的多个电路膜 700及 PCB板 800, 并通过一装 饰盖 900盖住该电路容置部 600, 进而实现无边框液晶显示装置的 PCB板
800 的固定。 该现有技术由于不使用液晶显示装置通常所需的前壳, 因而 可以以新颖的结构使厚度最小化并提高美感, 同时将原本置于背光模组 300下方的 PCB板 800置于液晶显示面板 400的侧边, 进一步降低了液晶 显示装置的厚度。
然而, 该结构的液晶显示装置的液晶显示面板 400与背光模组 300均 通过粘接构件 500 固定, 为了能牢固将液晶显示面板 400和背光模组 300 固定于胶框 200上, 需要其粘接构件 500的粘性足够强, 这就导致, 液晶 显示面板 400和背光模组 300拆卸时, 粘接构件 500不易去除, 进而可能 损坏液晶显示面板 400和背光模组 300, 造成巨大损失, 且不利于售后维 修时的拆卸, 增加了维修成本。 发明内容
本发明的目的在于提供一种无边框液晶显示装置, 结构简单, 易组 装, 且能有效降低维修成本。
为实现上述目的, 本发明提供一种无边框液晶显示装置, 包括: 后 壳、 固定安装于后壳内的胶框、 固定安装于胶框内的背光模组及固定安装 于胶框内且位于背光模组上方的液晶显示面板, 所述胶框包括底板, 垂直 连接于底板且相对设置的两第一側板及垂直连接于底板且两端分别连接两 第一侧板的第二侧板, 所述两第一侧板上分别设有第一- 合槽与第二卡合 槽, 所述背光模组卡合安装于所述第一- ^合槽内, 所述液晶显示面板卡合 安装于第二卡合槽内。
所述胶框通过螺钉锁合方式固定安装于后壳内。
所述背光模组包括: 导光板、 设于导光板一侧的背光源、 设于导光板 上方的光学膜片组及设于导光板下方的反射片。
所述导光板的两侧分别相对两第一" ^合槽设有第一- ^合部, 所述第一 卡合部卡合安装于所述第一- 合槽内, 进而将导光板卡合安装于胶框内, 所述背光源对应导光板固定安装于所述第二侧板上。
所述背光模组包括: 扩散板、 设于扩散板下方的背光源、 设于扩散板 上方的光学膜片组及设于扩散板下方的反射片, 所述扩散板卡合安装于所 述第一" ^合槽内, 所述背光源对应扩散板安装于所述底板上。
所述液晶显示面板包括: CF基板、 与 CF基板相对贴合设置的 TFT 基板及设于 CF基板与 TFT基板之闾的液晶层, 所述 CF基板的尺寸小于 TTT基板的尺寸, 贴合时, 在 TFT基板的相对两端形成有对应第二卡合槽 的断差, 所述断差卡合安装于所述第二卡合槽内, 进而将液晶显示面板卡
所述后壳具有第一容置部和第二容置部, 所述胶框、 背光模组和液晶 显示面板容置于该第一容置部内。
还包括: 与液晶显示面板电性连接的 PCB板用于承载 PCB板的支撑 架及用于覆盖所述后壳第二容置部的装饰盖, 所述支撑架安装于所述第二 容置部内, 所述 PCB板安装于所述支撑架上。
所述 PCB板包括: 第一板部、 第二板部及第三板部, 且该第一板部、 第二板部及第三板部的大小依次递增, 所述支撑架上对应第一板部、 第二 板部及第三板部设有阶梯状排布的第一支撑部、 第二支撑部及第三支撑 部, 第一板部、 第二板部及第三板部分别固定安装于所述第一支撑部、 第 二支撑部及第三支撑部上。
所述支撑架通过螺钉锁合的方式固定安装于所述第二容置部内, 所述 装饰盖通过卡合的方式扣合于所述第二容置部上。
本发明还提供一种无边框液晶显示装置, 包括: 后壳、 固定安装于后 壳内的胶框、 固定安装于胶框内的背光模组及固定安装于胶框内且位于背 光模组上方的液晶显示面板, 所述胶框包括底板、 垂直连接于底板且相对 设置的两第一侧板及垂直连接于底板且两端分别连接两第一側板的第二倒 板, 所述两第一侧板上分别设有第一卡合槽与第二卡合槽, 所述背光模组 卡合安装于所述第一卡合槽内, 所述液晶显示面板卡合安装于第二卡合槽 内;
其中, 所述胶框通过螺钉锁合方式固定安装于后壳内;
其中, 所述背光模组包括: 导光板、 设于导光板一侧的背光源 设于 导光板上方的光学膜片组及设于导光板下方的反射片;
其中, 所述导光板的两侧分别相对两第一卡合槽设有第一" ^合部, 所 述第一" ^合部卡合安装于所述第一- 合槽内, 进而将导光板卡合安装于胶 框内, 所述背光源对应导光板固定安装于所述第二侧板上;
其中, 所述液晶显示面板包括: CF基板、 与 CF基板相对贴合设置的 TFT基板及设于 CF基板与 TFT基板之间的液晶层, 所述 CF基板的尺寸 小于 TFT基板的尺寸, 贴合时, 在 TFT基板的相对两端形成有对应第二 卡合槽的断差, 所述断差卡合安装于所述第二卡合槽内, 进而将液晶显示 面板卡合安装于月交才匡内。
所述后壳具有第一容置部和第二容置部, 所述胶框、 背光模组和液晶 显示面板容置于该第一容置部内。
还包括: 与液晶显示面板电性连接的 PCB板、 用于承载 PCB板的支
撑架及用于覆盖所述后壳第二容置部的装饰盖, 所述支撑架安装于所述第 二容置部内, 所述 PCB板安装于所述支撑架上。
所述 PCB板包括: 第一板部、 第二板部及第三板部, 且该第一板部、 第二板部及第三板部的大小依次递增, 所述支撑架上对应第一板部、 第二 板部及第三板部设有阶梯状排布的第一支撑部、 第二支撑部及第三支撑 部, 第一板部、 第二板部及第三板部分别固定安装于所述第一支撑部、 第 二支撑部及第三支撑部上。
所述支撑架通过螺钉锁合的方式固定安装于所述第二容置部内, 所述 装饰盖通过卡合的方式扣合于所述第二容置部上。
本发明的有益效果: 本发明提供的无边框液晶显示装置, 其通过在胶 框上设置两卡合槽, 在背光模组和液晶显示面板上分别形成与该两卡合槽 配合的卡合部和断差, 进 通过卡合方式将背光模组和液晶显示面板可拆 卸安装于胶框上, 实现无边框液晶显示装置背光模组和液晶显示面板的固 定, 其结构简单, 安装方便, 在需要对背光模组或液晶显示面板进行维修 或更换时, 方便拆卸, 有效降低维修成本。
为了能更进一步了解本发明的特征以及技术内容, 请参阅以下有关本 发明的详细说明与附图, 然而附图仅提供参考与说明用, 并非用来对本发 明加以限制。 附图说明
下面结合附图, 通过对本发明的具体实施方式详细描述, 将使本发明 的技术方案及其它有益效果显而易见。
附图中,
图 1为现有的无边框液晶显示装置的结构示意图;
图 2为本发明无边框液晶显示装置一较佳实施例的结构示意图; 图 3为图 2中胶框的立体示意图;
图 4为图 2中导光板的立体示意图;
图 5为图 2中液晶显示面板的立体示意图;
图 6为本发明无边框液晶显示装置另一较佳实施例的结构示意图。 具体实族方式
为更进一步阐述本发明所采取的技术手段及其效果, 以下结合本发明 的优选实施例及其附图进行详细描述。
请参阅图 2, 为本发明无边框液晶显示装置一较佳实施例的结构示意
图, 并结合参阅图 3 至图 5 , 本发明提供一种无边框液晶显示装置, 包 括: 后壳 2、 固定安装于后壳 2 内的胶框 4、 固定安装于胶框 4 内的背光 模组 6及固定安装于胶框 4内且位于背光模组 6上方的液晶显示面板 8, 所述胶框 4包括底板 42、 垂直连接于底板 42且相对设置的两第一侧板 44 及垂直连接于底板 42且两端分别连接两第一侧板 44的第二侧板 46, 该两 第一侧板 44与第二側板 46围成一端开口的容置空间, 所述两第一侧板 44 上分别设有第一卡合槽 442与第二卡合槽 444, 所述背光模组 6通过开口 端插入第一卡合槽 442并卡合安装于所述第一卡合槽 442内, 所述液晶显 示面板 8 通过开口端插入第二卡合槽 444 并卡合安装于第二卡合槽 444 内, 通过在胶框上设置两卡合槽, 在背光模组和液晶显示面板上分别形成 与该两卡 ' 槽配合的卡合部和断差, 进而通过卡合方式将背光模组和液晶 显示面板可拆卸安装于胶框上, 实现无边框液晶显示装置背光模组和液晶 显示面板的固定, 其结构简单, 安装方便, 在需要对背光模组或液晶显示 面板进行维修或更.换时, 方便拆卸, 有效降低维修成本。
具体地, 在本实施例中, 所述背光模组 6 为侧入式背光模组, 其包 括: 导光板 62、 设于导光板 62—侧的背光源 (未图示) 、 设于导光板 62 上方的光学膜片组 66及设于导光板 62下方的反射片 68。 所述导光板 62 的两侧分别相对两第一" ^合槽 442设有第一" ^合部 622 , 所述第一卡合部 622卡合安装于所述第一- 合槽 442内, 进而将导光板 62卡合安装于胶框 4内, 所述背光源对应导光板 62 固定安装于所述第二侧板 46上, 进而实 现背光模组 6固定安装于所述胶框 4内。
进一步地, 所述液晶显示面板 8包括: CF基板 82、 与 CF基板 82相 对贴合设置的 TFT基板 84及设于 CF基板 82与 TFT基板 84之间的液晶 层(未图示) , 所述 CF基板 82 的尺寸小于 TFT基板 84的尺寸, 贴合 时, 在 TFT基板 84的相对两端形成有对应第二卡合槽 444的断差 842, 所述断差 842卡合安装于所述第二卡合槽 444 内, 进而将液晶显示面板 8 卡合安装于胶框 4内。
组装时, 先将背光源固定安装于所述胶框 4 的第二倒板 46上, 再将 设有光学膜片组 66的导光板 62由开口端插入所述第一卡合槽 442内, 然 后, 再将液晶显示面板 8插入第二卡合槽 444 内, 最后, 再将所述胶框 4 通过螺钉锁合方式固定安装于后壳 2 内, 进而实现本发明液晶显示装置的 组装。
值得一提的是, 本发明的无边框液晶显示装置还包括: 与液晶显示面 板 8电性连接的 PCB板 10、 用于承载 PCB板 10的支撑架 12及装饰盖
14。
进一步地, 所述后壳 2具有第一容置部 22和第二容置部 24, 所述胶 框 4、 背光模组 6和液晶显示面板 8容置于该第一容置部 22内。 所述支撑 架 12通过螺钉锁合的方式固定安装于所述第二容置部 24内, 所述 PCB板 10安装于所述支撑架 12上, 所述装饰盖 14通过卡合的方式扣合于所述第 二容置部 24上, 以将 PCB板 10完全遮盖, 以避免灰尘等掉落到 PCB板 10上。
具体地, 在本实施例中, 所述 PCB板 10包括: 第一板部 102、 第二 板部 104及第三板部 106, 且该第一板部 102、 第二板部 104及第三板部 106的大小依次递增, 所述支撑架 12上对应第一板部 102、 第二板部 104 及第三板部 106设有阶梯状排布的第一支撑部 122、 第二支撑部 24及第 三支撑部 126, 第一板部 102、 第二板部 104及第三板部 106分别固定安 装于所述第一支撑部 122、 第二支撑部 124及第三支撑部 126上。 所述第 一板部 102、 第二板部 104及第三板部 106 上可分别设置不同的驱动电 路, 以驱动液晶显示装置进行显示, 而当 PCB 板 10 出现问题需要维修 时, 只需要将装饰盖 4打开即可取出 PCB板 10, 操作方便, 有效降低维 请参阅图 6, 并参考图 3及图 5, 在本实施例中, 所述背光模组 6'为 直下式背光模组, 其包括: 扩散板 61、 设于扩散板 61下方的背光源 64。 设于扩散板 61上方的光学膜片组 66及设于扩散板 61下方的反射片 68', 所述扩散板 61的两侧分别相对两第一 合槽 442设有第二卡合部 612, 所 述第二卡合部 612卡合安装于所述第一卡合槽 442 内, 所述背光源 64对 应扩散板 61安装于所述底板 42上, 其同样适用本发明的无边框液晶显示 装置, 且具有相同的技术效果。
综上所述, 本发明提供的无边框液晶显示装置, 其通过在胶框上设置 两卡合槽, 在背光模组和液晶显示面板上分别形成与该两卡合槽配合的卡 合部和断差, 进,¾通过卡合方式将背光模组和液晶显示面板可拆卸安装于 胶框上, 实现无边框液晶显示装置背光模组和液晶显示面板的固定, 其结 构简单, 安装方便, 在需要对背光模组或液晶显示面板进行维修或更换 时, 方便拆卸, 有效降低维修成本。
以上所述, 对于本领域的普通技术人员来说, 可以根据本发明的技术 方案和技术构思作出其他各种相应的改变和变形, 而所有这些改变和变形 都应属于本发明权利要求的保护范围。
Claims
权 利 要 求 一种无边框液晶显示装置, 包括: 后壳、 固定安装于后壳内的胶 框、 固定安装于胶框内的背光模组及固定安装于胶框内且位于背光模组上 方的液晶显示面板, 所述胶框包括底板, 垂直连接于底板且相对设置的两 第一侧板及垂直连接于底板且两端分别连接两第一侧板的第二倒板, 所述 两第一側板上分别设有第一卡合槽与第二卡合槽, 所述背光模组卡合安装 于所述第一- 合槽内, 所述液晶显示面板卡合安装于第二卡合槽内。
2、 如权利要求 所述的无边框液晶显示装置, 其中, 所述胶框通过 螺钉锁合方式固定安装于后壳内。
3、 如权利要求 1 所述的无边框液晶显示装置, 其中, 所述背光模组 包括: 导光板、 设于导光板一侧的背光源、 设于导光板上方的光学膜片组 及设于导光板下方的反射片。
4、 如权利要求 3 所述的无边框液晶显示装置, 其中, 所述导光板的 两侧分别相对两第一卡合槽设有第一- 合部, 所述第一- 1合部卡合安装于 所述第一卡合槽内, 进而将导光板卡合安装于胶框内, 所述背光源对应导 光板固定安装于所述第二側板上。
5、 如权利要求 1 所述的无边框液晶显示装置, 其中, 所述背光模组 包括: 扩散板、 设于扩散板下方的背光源、 设于扩散板上方的光学膜片组 及设于扩散板下方的反.射片, 所述扩散板卡合安装于所述第一卡合槽内, 所述背光源对应扩散板安装于所述底板上。
6、 如权利要求 i 所述的无边框液晶显示装置, 其中, 所述液晶显示 面板包括: CF基板 > 与 CF基板相对贴合设置的 TFT基板及设于 CF基板 与 TFT基板之间的液晶层, 所述 CF基板的尺寸小于 TFT基板的尺寸, 贴 合时, 在 TFT基板的相对两端形成有对应第二卡合槽的断差, 所述断差卡 合安装于所述第二卡合槽内, 进而将液晶显示面板卡合安装于胶匡内。
7、 如权利要求 i 所述的无边框液晶显示装置, 其中, 所述后壳具有 第一容置部和第二容置部, 所述胶框, 背光模组和液晶显示面板容置于该 第一容置部内。
8、 如权利要求 7 所述的无边框液晶显示装置, 还包括: 与液晶显示 面板电性连.接的 PCB板、 用于承载 PCB板的支撑架及用于覆盖所述后壳 第二容置部的装饰盖, 所述支撑架安装于所述第二容置部内, 所述 PCB板
9 , 如权利要求 8所述的无边框液晶显示装置, 其中, 所述 PCB板包 括: 第一板部、 第二板部及第三板部, 且该第一板部、 第二板部及.第三板 部的大小依次递增, 所述支撑架上对应第一板部、 第二板部及第三板部设 有阶梯状排布的第一支撑部、 第二支撑部及第三支撑部, 第一板部、 第二 板部及第三板部分别固定安装于所述第一支撑部、 第二支撑部及第三支撑 部上。
10 , 如权利要求 8所述的无边框液晶显示装置, 其中, 所述支撑架通 过螺钉锁合的方式固定安装于所述第二容置部内, 所述装饰盖通过卡合的 方式扣合于所述第二容置部上。
11、 一种无边框液晶显示装置, 包括: 后壳、 固定安装于后壳内的胶 框、 固定安装于胶框内的背光模组及固定安装于胶框内且位于背光模组上 方的液晶显示面板, 所述胶框包括底板、 垂直连接于底板且相对设置的两 第一侧板及垂直连接于底板且两端分别连接两第一侧板的第二側板, 所述 两第一侧板上分别设有第一卡合槽与第二卡合槽, 所述背光模组卡合安装 于所述第一- ^合槽内, 所述液晶显示面板卡合安装于第二卡合槽内;
其中, 所述胶框通过螺钉锁合方式固定安装于后壳内;
其中, 所述背光模组包括: 导光板、 设于导光板一侧的背光源 设于 导光板上方的光学膜片组及设于导光板下方的反射片;
其中, 所述导光板的两侧分别相对两第一- 合槽设.有第一卡合部, 所 述第一" ^合部卡合安装于所述第一- 合槽内, 进而将导光板卡合安装于胶 框内, 所述背光源对应导光板固定安装于所述第二侧板上;
其中, 所述液晶显示面板包括: CF基板、 与 CF基板相对贴合设置的 TFT基板及设于 CF基板与 TFT基板之间的液晶层, 所述 CF基板的尺寸 小于 TFT基板的尺寸, 贴合时, 在 TFT基板的相对两端形成有对应第二 卡合槽的断差, 所述断差卡合安装于所述第二卡合槽内, 进而将液晶显示 面板卡合安装于月交才匡内。
12、 如权利要求 11 所述的无边框液晶显示装置, 其中, 所述后壳具 有第一容置部和第二容置部, 所述胶框, 背光模组和液晶显示面板容置于 该第一容置部内。
13、 如权利要求 12 所述的无边框液晶显示装置, 还包括: 与液晶显 示面板电性连接的 PCB板、 用于承载 PCB板的支撑架及用于覆盖所述后 壳第二容置部的装饰盖, 所述支撑架安装于所述第二容置部内, 所述 PCB 板安装于所述支撑架上。
14 , 如权利要求 13所述的无边框液晶显示装置, 其中, 所述 PCB板
包括: 第一板部、 第二板部及第三板部, 且该第一板部、 第二板部及第三 板部的大小依次递增, 所述支撑架上对应第一板部、 第二板部及第三板部 设有阶梯状排布的第一支撑部、 第二支撑部及第三支撑部, 第一板部。 第 二板部及第三板部分别固定安装于所述第一支撑部、 第二支撑部及第三支 撑部上。
15、 如权利要求 13 所述的无边框液晶显示装置, 其中, 所述支撑架 通过螺钉锁合的方式固定安装于所述第二容置部内, 所述装饰盖通过卡合 的方式扣合于所述第二容置部上。
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EP3928153B1 (fr) * | 2019-02-21 | 2024-09-11 | Valeo Comfort and Driving Assistance | Boitier de montage pour dispositif d'affichage et ensemble afficheur comportant un tel boitier |
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CN104297976B (zh) * | 2014-10-22 | 2017-02-15 | 深圳市华星光电技术有限公司 | 液晶显示装置及其边框 |
CN105044983B (zh) * | 2015-08-17 | 2018-05-18 | 武汉华星光电技术有限公司 | 一种背光模组和液晶显示装置 |
KR102447852B1 (ko) * | 2015-12-30 | 2022-09-26 | 엘지디스플레이 주식회사 | 액정 표시 장치 |
CN105785647A (zh) * | 2016-05-06 | 2016-07-20 | 奥英光电(苏州)有限公司 | 一种液晶显示装置 |
CN106019717B (zh) * | 2016-08-03 | 2023-07-14 | 江西联思触控技术有限公司 | 背光模组、液晶显示模组及液晶显示装置 |
CN108074483A (zh) * | 2016-11-14 | 2018-05-25 | 鸿富锦精密工业(深圳)有限公司 | 无边框显示器及应用该无边框显示器的电子装置 |
CN106707586B (zh) * | 2017-01-22 | 2023-05-16 | 合肥惠科金扬科技有限公司 | 背光模组结构及显示器 |
CN107065300B (zh) * | 2017-02-28 | 2019-12-31 | 合肥京东方光电科技有限公司 | 一种背光模组及其结构调整方法、显示设备 |
CN108630101B (zh) * | 2017-03-24 | 2020-07-07 | 技嘉科技股份有限公司 | 显示装置 |
CN206741151U (zh) * | 2017-05-12 | 2017-12-12 | 深圳Tcl新技术有限公司 | 无边框液晶显示模组及液晶电视 |
CN108105725A (zh) * | 2018-01-02 | 2018-06-01 | 京东方科技集团股份有限公司 | 一种背光模组及显示装置 |
CN108873433A (zh) * | 2018-07-10 | 2018-11-23 | 深圳谦华益科技有限公司 | 液晶显示模组 |
CN108717240B (zh) * | 2018-07-25 | 2021-11-26 | 惠州市华星光电技术有限公司 | 一种无边框液晶显示模组及液晶显示器 |
CN109001929B (zh) * | 2018-10-17 | 2021-10-12 | 京东方科技集团股份有限公司 | 胶框、背光模组、显示装置及其制造方法 |
CN113161181B (zh) * | 2021-04-30 | 2022-12-30 | 成都戎盛科技有限公司 | 一种无边框显示开关器件 |
CN113687541A (zh) * | 2021-08-31 | 2021-11-23 | 惠科股份有限公司 | 背光结构、背光模组以及液晶显示装置及其组装方法 |
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