WO2017054410A1 - 一种胶框、背光模组和显示装置 - Google Patents

一种胶框、背光模组和显示装置 Download PDF

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Publication number
WO2017054410A1
WO2017054410A1 PCT/CN2016/075273 CN2016075273W WO2017054410A1 WO 2017054410 A1 WO2017054410 A1 WO 2017054410A1 CN 2016075273 W CN2016075273 W CN 2016075273W WO 2017054410 A1 WO2017054410 A1 WO 2017054410A1
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WO
WIPO (PCT)
Prior art keywords
frame
fixing portion
backlight module
display panel
plastic
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/075273
Other languages
English (en)
French (fr)
Inventor
张骏
高倩倩
王林华
吕超
柳婷
王涛
李恒
陈曦
吴建城
曲法新
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Hefei Xinsheng Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US15/306,808 priority Critical patent/US10012791B2/en
Publication of WO2017054410A1 publication Critical patent/WO2017054410A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • 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
    • G02F1/133314—Back frames
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties
    • 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
    • G02F2201/50—Protective arrangements
    • G02F2201/503—Arrangements improving the resistance to shock

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a plastic frame, a backlight module, and a display device.
  • the liquid crystal display device has the advantages of being light, thin, and low in power consumption, and is widely used in modern information equipment. Since the liquid crystal display itself does not have the illuminating property, it is necessary to rely on the backlight to supply a sufficient and uniformly distributed light source to achieve the display function. Therefore, the performance of the backlight module directly affects the quality of the liquid crystal display.
  • the backlight module in the related art generally includes a back plate, a backlight member and a plastic frame disposed on the back plate.
  • the frame is usually made of a hard material.
  • the display panel is easily broken, or the plastic frame interferes with the corners of the display panel to cause problems such as foreign matter in the frame.
  • the present disclosure provides a plastic frame, a backlight module, and a display device for solving the problem that the hard plastic frame is easily broken, or the plastic frame and the display panel are edged during the combination of the backlight module and the display panel.
  • the angular interference causes a problem of foreign matter in the frame.
  • the present disclosure provides a plastic frame, which is applied to a backlight module, the plastic frame includes a soft plastic body, and the soft plastic body includes a first frame, a second frame, a third frame, and a fourth frame.
  • the at least one frame is provided with a first fixing portion for fixing the display panel.
  • the frame of the first fixing portion includes a first sub-frame and a second sub-frame that are disconnected, and the first fixing portion is a gap formed between the first sub-frame and the second sub-frame .
  • the first fixing portion is a groove formed on the at least one frame.
  • the first fixing portion is disposed on the first frame, and the first frame is an upper frame.
  • the first fixing portion is configured to set a display panel fixing tape.
  • At least one frame is provided with a second fixing portion, and the second fixing portion is used for setting glue Frame fixing tape.
  • the second fixing portion is a groove formed on the at least one frame.
  • At least one of the frames is provided with a film fixing portion for fixing the optical film in the backlight module.
  • the second frame and the fourth frame are provided with the film fixing portion, the second frame is a right frame, and the fourth frame is a left frame.
  • first frame, the second frame, the third frame and the fourth frame are sequentially connected, and the first frame is opposite to the third frame, and the second frame is The fourth frame is oppositely disposed; the first frame, the second frame, and the third frame and the fourth frame have the same height.
  • the film fixing portion is a fixed card slot.
  • the present disclosure further provides a backlight module, including a backboard and a backlight component and a plastic frame disposed on the backplane, wherein the plastic frame is the plastic frame.
  • the backlight module further includes: a display panel fixing tape disposed on the first fixing portion;
  • the height of the display panel fixing tape is higher than the height of the frame on which the first fixing portion is disposed.
  • the display panel fixing tape is 0.02-0.05 mm higher than the frame of the first fixing portion.
  • the width of the display panel fixing tape is the same as the width of the frame on which the first fixing portion is disposed.
  • the at least one frame is provided with a second fixing portion
  • the backlight module further includes: a plastic frame fixing tape disposed on the second fixing portion, for fixing the plastic frame to the back plate on.
  • the distance that the display panel fixing tape extends from the backboard in the first direction is greater than the distance that the frame of the first fixing portion extends from the backboard in the first direction;
  • the first direction is perpendicular to the backplane and directed from the backplane to the display panel.
  • the frame fixing tape is adhered to the surface of the at least one frame toward the back plate.
  • the second fixing portion is a groove formed on the at least one frame.
  • the present disclosure also provides a display device including the above backlight module.
  • the soft plastic frame used for the backlight module is a soft plastic frame
  • the soft plastic frame has toughness, so that it does not interfere with the corners of the display panel during assembly with the display panel, thereby avoiding breakage of the display panel and generation of the plastic frame. Problems such as foreign matter on the chip can improve the quality of the display device and reduce the manufacturing cost.
  • the soft plastic frame is flexible and easy to disassemble, which improves the recycling efficiency of the backlight module.
  • a fixing portion for fixing the display panel is provided on the plastic frame to conveniently fix the display panel.
  • FIG. 1 is a top plan view of a plastic frame of some embodiments of the present disclosure
  • FIG. 2 is a top plan view of a plastic frame of some embodiments of the present disclosure
  • FIG. 3 is a top plan view of a backlight module according to some embodiments of the present disclosure.
  • FIG. 4 is a cross-sectional view of a backlight module of some embodiments of the present disclosure.
  • FIG. 5 is a cross-sectional view of a backlight module of some embodiments of the present disclosure.
  • FIG. 6 is a top plan view of a backlight module according to some embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of a combination of a backlight module and a display panel according to some embodiments of the present disclosure.
  • FIG. 8 is a cross-sectional view of the combination of the backlight module and the display panel shown in FIG. 7 taken along the line A-A.
  • the plastic frame includes a soft plastic body.
  • the soft plastic body includes a first frame, a second frame, a third frame, and a fourth frame.
  • the at least one frame is provided with a first fixing portion for fixing the display panel.
  • the soft rubber may be soft polyvinyl chloride (PVC), silica gel, ethylene-vinyl acetate copolymer (EVA), ethylene-octene copolymer (POE), styrene thermoplastic elastomer (TPES), or the like.
  • PVC polyvinyl chloride
  • EVA ethylene-vinyl acetate copolymer
  • POE ethylene-octene copolymer
  • TPES styrene thermoplastic elastomer
  • the soft plastic frame used for the backlight module is a soft plastic frame
  • the soft plastic frame has toughness, so that it does not interfere with the corners of the display panel during assembly with the display panel, thereby avoiding breakage of the display panel and generation of the plastic frame. Problems such as foreign matter on the chip can improve the quality of the display device and reduce the manufacturing cost.
  • the soft plastic frame is flexible and easy to disassemble, which improves the recycling efficiency of the backlight module.
  • a fixing portion for fixing the display panel is provided on the plastic frame to conveniently fix the display panel.
  • setting the bezel of the first fixing portion may include disconnecting a sub-frame and a second sub-frame, wherein the first fixing portion is a gap formed between the first sub-frame and the second sub-frame.
  • the first fixing portion may also be a groove formed on a corresponding frame.
  • the first fixing portion is disposed on the first frame, and the first frame is an upper frame.
  • the first fixing portion is configured to set the display panel fixing tape, that is, the display panel is fixed by the display panel fixing tape.
  • the display panel may be fixed by other means, such as a buckle.
  • At least one of the frames is provided with a second fixing portion, and the second fixing portion is configured to set the plastic frame fixing tape. Therefore, the plastic frame can be conveniently fixed on the back plate of the backlight module through the plastic frame fixing tape.
  • the second fixing portion is a groove formed on the corresponding frame. Therefore, the height of the frame on which the plastic frame fixing tape is set is not higher than the height of the other frames.
  • At least one frame is further provided with a film fixing portion for fixing the optical film in the backlight module to avoid displacement of the optical film, improve luminous efficiency of the backlight module, and avoid optical film. Drop when assembling the backlight module.
  • the second frame and the fourth frame are provided with the film fixing portion, the second frame is a right frame, and the fourth frame is a left frame.
  • the film fixing portion is a fixed card slot formed on the corresponding frame to conveniently fix the optical film.
  • FIG. 1 is a top view of a plastic frame according to some embodiments of the present disclosure.
  • the plastic frame includes a soft plastic body, and the soft plastic body is composed of a first frame 111 , a second frame 112 , and a third frame 113 .
  • the first frame 111, the second frame 112, the third frame 113, and the fourth frame 114 are sequentially connected, wherein the first frame 111 is opposite to the third frame 113,
  • the two frames 112 and the fourth frame 114 are oppositely disposed.
  • the first frame 111 is an upper frame, and the first frame 111 is provided with a first fixing portion 116 for setting a display panel fixing tape.
  • the first fixing portion 116 is a groove formed on the first frame 111.
  • the display panel fixing tape is a double-sided tape, one side is used for sticking the plastic frame, and one side is used for sticking the display panel.
  • FIG. 2 is a top view of a plastic frame according to some embodiments of the present disclosure.
  • the plastic frame includes a soft plastic body, and the soft plastic body is composed of a first frame 111 , a second frame 112 , and a third frame 113 .
  • First The first frame 111, the second frame 112, the third frame 113, and the fourth frame 114 are sequentially connected, wherein the first frame 111 is opposite to the third frame 113, and the second The bezel 112 and the fourth bezel 114 are oppositely disposed.
  • the first frame 111 is an upper frame, and the first frame 111 is provided with a first fixing portion 116 for setting a display panel fixing tape.
  • the first frame 111 includes two broken portions, that is, a first sub-frame 1111 connected to the second frame 112 and a second sub-frame 1112 connected to the fourth frame 114.
  • the first fixing portion 116 is a notch formed between the first sub-frame 1111 and the second sub-frame 1112.
  • the display panel fixing tape is a double-sided tape, one side is used for sticking the back plate of the backlight module, and one side is used for sticking the display panel.
  • the first fixing portion for fixing the display panel fixing tape is disposed on the plastic frame for setting the display panel fixing tape, so that the display panel fixing tape can be used to fix the display panel to prevent the display panel and the backlight module from being combined.
  • the display panel is dropped.
  • the first fixing portion is disposed on only one frame (the first frame 111 in this embodiment) for setting the fixing tape of the display panel.
  • the structure has the advantages of facilitating the disassembly of the display panel.
  • the first fixing portion may be disposed on the plurality of frames, for example, the first fixing portion is disposed on the first frame 111 and the third frame 113 for setting the display panel fixing tape. , so that the display panel is fixed more firmly.
  • the first frame 111 is an upper frame
  • the third frame 113 is a lower frame.
  • the upper frame refers to a frame corresponding to the upper edge of the display panel
  • the lower frame is a frame corresponding to the lower edge of the middle display panel.
  • the second frame 112 and the fourth frame 114 are respectively provided with a film fixing portion 115.
  • the film fixing portion 115 is a fixed card slot, and the film fixing portion 115 is used for fixing the backlight module.
  • the optical film in the middle avoids the displacement of the optical film, improves the luminous efficiency of the backlight module, and can also prevent the optical film from falling when the backlight module is assembled.
  • the optical film is a light guide plate, a prism sheet, a diffusion sheet, and/or a radiation sheet.
  • the optical film is further provided with a lug matched with the fixed card slot.
  • the second frame 112 and the fourth frame 114 are provided with two film fixing portions 115.
  • the number of the film fixing portions 115 is not limited thereto.
  • the film fixing portion may be provided only on one frame.
  • Some embodiments of the present disclosure further provide a backlight module, including a back panel and a backlight member and a plastic frame disposed on the back panel, wherein the plastic frame is the plastic frame described in any of the above embodiments.
  • FIG. 3 is a top view of a backlight module according to some embodiments of the present disclosure.
  • the backlight module includes: a back plate (not shown) and a backlight component disposed on the back plate (not shown)
  • the plastic frame includes a soft plastic body, and the soft plastic body is surrounded by a first frame 111, a second frame 112, a third frame 113, and a fourth frame 114.
  • the frame 111, the second frame 112, the third frame 113, and the fourth frame 114 are sequentially connected.
  • the first frame 111 is disposed opposite to the third frame 113, and the second frame 112 and the fourth frame 114 are oppositely disposed.
  • the first frame 111 is an upper frame, and the first frame 111 is provided with a first fixing portion 116 for setting a display panel fixing tape.
  • the first frame 111 includes two broken portions, a first sub-frame 1111 connected to the second frame 112, and a second sub-frame 1112 connected to the fourth frame 114.
  • the first fixing portion 116 is a notch formed between the first sub-frame 1111 and the second sub-frame 1112.
  • the backlight module further includes a display panel fixing tape 12 for fixing the display panel and disposed on the first fixing portion 116.
  • the height of the display panel fixing tape 12 is higher than the height of the frame of the plastic frame. Thereby, it is ensured that the display panel can be in contact with the display panel fixing tape 12.
  • the display panel 20, the display panel fixing tape 12, the bezel 1111, 1112 of the bezel, and the back panel may be disposed as shown in FIG.
  • the distance of the display panel fixing tape 12 extending from the back plate in the first direction is greater than the distance from the back plate in the first direction of the frame 1111 and 1112 where the first fixing portion 116 is disposed, wherein the first direction is vertical.
  • the back panel is directed to the display panel 20 from the back panel.
  • the height of the frame refers to the height of the side of the frame close to the display panel and parallel to the display panel, and the heights of the frames of the frame are the same.
  • the height difference between the display panel fixing tape 12 and the frame of the plastic frame is less than a preset threshold, so as to avoid the height difference between the fixing tape 12 and the frame of the display panel is too large, and the display panel is connected to the two. Cracks occur in the area.
  • the display panel fixing tape 12 is 0.02-0.05 mm higher than the frame of the plastic frame.
  • the width of the display panel fixing tape 12 is the same as the width of the frame (the first frame 111 in this embodiment) where the first fixing portion 116 is disposed to avoid cracking of the display panel.
  • the plastic frame may be adhered to the back plate by double-sided tape.
  • the back plate includes a bottom plate 131 and a side plate 132 , and the plastic frame 11 may be It is fixed to the side plate 132 by the plastic frame fixing tape 14.
  • the plastic frame 11 may also be provided with a buckle structure through the buckle structure. Fixed connection to the backplane.
  • plastic frame and the backboard may also be fixedly connected by other methods.
  • FIG. 6 is a top view of a backlight module according to some embodiments of the present disclosure.
  • the difference between the present embodiment and the backlight module shown in FIG. 3 is that the first sub-frame 1111 and the second sub-frame 1112 are different.
  • a second fixing portion 117 is provided on the upper portion, and the second fixing portion 117 is used to set the frame fixing tape.
  • the backlight module further includes a plastic frame fixing tape 15 disposed on the second fixing portion 117, and the plastic frame fixing tape 15 is adhered to the first sub-frame 1111 and the second sub-frame 1112 toward the back plate.
  • the first frame 111 on which the first fixing portion 116 is disposed is prevented from coming off.
  • the second fixing portion 117 is a groove formed on the corresponding frame, so that the height of the frame on which the frame fixing tape is disposed is not higher than the heights of the other frames.
  • the frame fixing tape 15 may be disposed in the second fixing portion 117 as shown in FIG. 8
  • the display panel 20 , the display panel fixing tape 12 , and the display panel 12 may be disposed as shown in FIG. 8 .
  • FIG. 7 is a schematic diagram of a combination of a backlight module and a display panel according to some embodiments of the present disclosure.
  • 20 is a display panel.
  • the present disclosure also provides a display device including the backlight module in any of the above embodiments.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)

Abstract

一种胶框、背光模组和显示装置，所述胶框应用于背光模组，包括软胶本体，所述软胶本体包括第一边框（111）、第二边框（112）、第三边框（113）和第四边框（114），其中，至少一个边框上设置有第一固定部（116），所述第一固定部（116）用于固定显示面板（20）。

Description

一种胶框、背光模组和显示装置
相关申请的交叉引用
本申请主张在2015年9月30日在中国提交的中国专利申请号No.201510640709.2的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及显示技术领域，尤其涉及一种胶框、背光模组和显示装置。
背景技术
液晶显示装置具有轻、薄、耗电小等优点，广泛应用于现代化信息设备中。由于液晶显示器本身不具发光特性，需依赖背光源供应充足且分布均匀的光源来达到显示的功能，因此背光模组性能的好坏直接影响到液晶显示器的品质。
相关技术中的背光模组通常包括背板、设置在背板上的背光部件和胶框。胶框通常采用硬质材料制成。在背光模组与显示面板组合过程中，容易导致显示面板破碎，或者胶框与显示面板边角干涉导致产生胶框屑异物等问题。
发明内容
有鉴于此，本公开提供一种胶框、背光模组和显示装置，用于解决在背光模组与显示面板组合过程中，硬质胶框容易导致显示面板破碎，或者胶框与显示面板边角干涉导致产生胶框屑异物的问题。
为解决上述技术问题，本公开提供一种胶框，应用于背光模组，所述胶框包括软胶本体，所述软胶本体包括第一边框、第二边框、第三边框和第四边框，其中，至少一个边框上设置有第一固定部，所述第一固定部用于固定显示面板。
可选的，设置所述第一固定部的边框包括断开的第一子边框和第二子边框，所述第一固定部为所述第一子边框和第二子边框之间形成的缺口。
可选的，所述第一固定部为开设于所述至少一个边框上的凹槽。
可选的，所述第一固定部设置于所述第一边框上，所述第一边框为上边框。
可选的，所述第一固定部用于设置显示面板固定胶带。
可选的，至少一个边框上设置有第二固定部，所述第二固定部用于设置胶 框固定胶带。
可选的，所述第二固定部为开设于所述至少一个边框上的凹槽。
可选的，至少一个边框上设置有用于固定背光模组中的光学膜材的膜材固定部。
可选的，所述第二边框和所述第四边框设置有所述膜材固定部，所述第二边框为右边框，所述第四边框为左边框。
可选的，所述第一边框，所述第二边框，所述第三边框和所述第四边框依次连接，所述第一边框与所述第三边框相对设置，所述第二边框与所述第四边框相对设置；所述第一边框，所述第二边框，所述第三边框和所述第四边框的高度相同。
可选的，所述膜材固定部为固定卡槽。
本公开还提供一种背光模组，包括背板以及设置在所述背板上的背光部件和胶框，所述胶框为上述胶框。
可选的，所述背光模组还包括：显示面板固定胶带，设置于所述第一固定部；
所述显示面板固定胶带的高度高于设置所述第一固定部的边框的高度。
可选的，所述显示面板固定胶带高出设置所述第一固定部的边框0.02～0.05mm。
可选的，所述显示面板固定胶带的宽度与设置所述第一固定部的边框的宽度相同。
可选的，至少一个边框上设置有第二固定部，所述背光模组还包括：胶框固定胶带，设置于所述第二固定部，用于将所述胶框固定于所述背板上。
可选的，所述显示面板固定胶带自所述背板沿第一方向延伸的距离大于设置所述第一固定部的边框自所述背板沿所述第一方向延伸的距离；其中，所述第一方向垂直于所述背板并从所述背板指向所述显示面板。
可选的，所述胶框固定胶带粘着于所述至少一个边框朝向所述背板的表面上。
可选的，所述第二固定部为开设于所述至少一个边框上的凹槽。
本公开还提供一种显示装置，包括上述背光模组。
本公开的上述技术方案的有益效果如下：
由于用于背光模组的胶框为软胶胶框，软胶胶框具有韧性，因此在与显示面板组装过程中，不会与显示面板边角造成干涉，可避免显示面板破碎以及产生胶框屑异物等问题，从而可提高显示装置的品质，降低制造成本。另一方面，软胶胶框弹性大，容易拆卸，提高了背光模组的回收效率。另外，胶框上设置有用于固定显示面板的固定部，从而方便地将显示面板固定。
附图说明
图1为本公开的一些实施例的胶框的俯视图；
图2为本公开的一些实施例的胶框的俯视图；
图3为本公开的一些实施例的背光模组的俯视图；
图4为本公开的一些实施例的背光模组的剖视图；
图5为本公开的一些实施例的背光模组的剖视图；
图6为本公开的一些实施例的背光模组的俯视图；
图7为本公开的一些实施例的背光模组与显示面板的组合示意图；
图8为图7所示的背光模组与显示面板的组合沿A-A方向的剖面图。
具体实施方式
下面将结合附图和实施例，对本公开的具体实施方式作进一步详细描述。以下实施例用于说明本公开，但不用来限制本公开的范围。
本公开的一些实施例提供一种用于背光模组的胶框。所述胶框包括软胶本体。所述软胶本体包括第一边框、第二边框、第三边框和第四边框。其中，至少一个边框上设置有第一固定部，所述第一固定部用于固定显示面板。
所述软胶可以为软质聚氯乙烯(PVC)，硅胶，乙烯-醋酸乙烯共聚物(EVA)，乙烯-辛烯共聚物(POE)，苯乙烯类热塑性弹性体(TPES)等。
由于用于背光模组的胶框为软胶胶框，软胶胶框具有韧性，因此在与显示面板组装过程中，不会与显示面板边角造成干涉，可避免显示面板破碎以及产生胶框屑异物等问题，从而可提高显示装置的品质，降低制造成本。另一方面，软胶胶框弹性大，容易拆卸，提高了背光模组的回收效率。另外，胶框上设置有用于固定显示面板的固定部，从而方便地将显示面板固定。
在本公开的一些实施例中，设置所述第一固定部的边框可以包括断开的第 一子边框和第二子边框，所述第一固定部为所述第一子边框和第二子边框之间形成的缺口。
在本公开的一些实施例中，所述第一固定部也可以为开设于对应边框上的凹槽。
可选的，所述第一固定部设置于所述第一边框上，所述第一边框为上边框。
可选的，所述第一固定部用于设置显示面板固定胶带，即通过显示面板固定胶带固定显示面板。当然，在本公开的其他一些实施例中，也可以通过其他一些方式固定显示面板，例如卡扣等方式。
可选的，至少一个边框上设置有第二固定部，所述第二固定部用于设置胶框固定胶带。从而可通过胶框固定胶带方便地将胶框固定在背光模组的背板上。
可选的，所述第二固定部为开设于对应边框上的凹槽。从而使得设置胶框固定胶带的边框的高度不高于其他边框的高度。
可选的，至少一个边框上还设置有用于固定背光模组中的光学膜材的膜材固定部，以避免光学膜材移位，提高背光模组的发光效率，并且还能够避免光学膜材在组装背光模组时掉落。
可选的，所述第二边框和所述第四边框设置有所述膜材固定部，所述第二边框为右边框，所述第四边框为左边框。
可选的，所述膜材固定部为开设于对应边框上的固定卡槽，从而方便地将光学膜材固定。
请参考图1，图1为本公开的一些实施例的胶框的俯视图，所述胶框包括软胶本体，所述软胶本体由第一边框111、第二边框112、第三边框113和第四边框114围设而成，所述第一边框111、第二边框112、第三边框113和第四边框114依次连接，其中，第一边框111与所述第三边框113相对设置，第二边框112和第四边框114相对设置。所述第一边框111为上边框，所述第一边框111上设置有第一固定部116，所述第一固定部116用于设置显示面板固定胶带。第一固定部116为开设于第一边框111上的凹槽。
本实施例中，所述显示面板固定胶带为双面胶，一面用于粘着胶框，一面用于粘着显示面板。
请参考图2，图2为本公开的一些实施例的胶框的俯视图，所述胶框包括软胶本体，所述软胶本体由第一边框111、第二边框112、第三边框113和第 四边框114围设而成，所述第一边框111、第二边框112、第三边框113和第四边框114依次连接，其中，第一边框111与所述第三边框113相对设置，第二边框112和第四边框114相对设置。所述第一边框111为上边框，所述第一边框111上设置有第一固定部116，所述第一固定部116用于设置显示面板固定胶带。所述第一边框111包括断开的两部分，即，与第二边框112连接的第一子边框1111以及与所述第四边框114连接的第二子边框1112。所述第一固定部116为所述第一子边框1111和第二子边框1112之间形成的缺口。
本实施例中，所述显示面板固定胶带为双面胶，一面用于粘着背光模组的背板，一面用于粘着显示面板。
上述实施例中，胶框上设有用于设置显示面板固定胶带的第一固定部，用于设置显示面板固定胶带，从而可采用显示面板固定胶带固定显示面板，防止显示面板与背光模组组合过程中，显示面板掉落。
本实施例中，只在一个边框(本实施例为第一边框111)上设置第一固定部，用于设置显示面板固定胶带，该种结构的优点在于：方便显示面板的拆卸。在本公开的其他一些实施例中，也可在多个边框上设置第一固定部，例如在第一边框111和第三边框113上均设置第一固定部，以用于设置显示面板固定胶带，从而使得显示面板的固定更牢固。
上述实施例中，第一边框111为上边框，第三边框113为下边框，所谓上边框是指显示面板的上边缘对应的边框，下边框是中显示面板的下边缘对应的边框。
上述两实施例中，第二边框112和第四边框114上均设置有膜材固定部115，所述膜材固定部115为固定卡槽，所述膜材固定部115用于固定背光模组中的光学膜材，避免光学膜材移位，提高背光模组的发光效率，并且还能够避免光学膜材在组装背光模组时掉落。所述光学膜材为导光板、棱镜片、扩散片和/或发射片等。相应的，所述光学膜材上还设置有与所述固定卡槽相匹配的凸耳。
本实施例中，第二边框112和第四边框114上均设置有两个膜材固定部115，当然，膜材固定部115的数量并不限于此。另外，在本公开的其他一些实施例中，也可以仅在一个边框上设置所述膜材固定部。
本公开的一些实施例还提供一种背光模组，包括背板以及设置在所述背板上的背光部件和胶框，所述胶框为上述任一实施例所述的胶框。
请参考图3，图3为本公开的一些实施例的背光模组的俯视图，所述背光模组包括：背板(图未示出)以及设置在所述背板上的背光部件(图未示出)和胶框，所述胶框包括软胶本体，所述软胶本体由第一边框111、第二边框112、第三边框113和第四边框114围设而成，所述第一边框111、第二边框112、第三边框113和第四边框114依次连接，其中，第一边框111与所述第三边框113相对设置，第二边框112和第四边框114相对设置。
所述第一边框111为上边框，所述第一边框111上设置有第一固定部116，所述第一固定部116用于设置显示面板固定胶带。所述第一边框111包括断开的两部分，与第二边框112连接的第一子边框1111以及与所述第四边框114连接的第二子边框1112。所述第一固定部116为所述第一子边框1111和第二子边框1112之间形成的缺口。
所述背光模组还包括：显示面板固定胶带12，用于固定显示面板，设置于所述第一固定部116；所述显示面板固定胶带12的高度高于所述胶框的边框的高度，从而可以保证显示面板能够与显示面板固定胶带12接触到。例如，在本公开的一些实施例中，可按照图8所示设置显示面板20、显示面板固定胶带12、胶框的边框1111、1112以及背板。如图8所示，显示面板固定胶带12自背板沿第一方向延伸的距离大于设置第一固定部116的边框1111和1112自背板沿第一方向延伸的距离，其中，第一方向垂直于背板并从背板指向显示面板20。所述边框的高度是指所述边框靠近显示面板且与显示面板平行的一面的高度，所述胶框的各个边框的高度相同。
可选的，所述显示面板固定胶带12与所述胶框的边框的高度差小于预设阈值，以避免因显示面板固定胶带12与边框的高度差太大，导致显示面板在两者的衔接区域而产生裂纹。
可选的，所述显示面板固定胶带12高出所述胶框的边框0.02～0.05mm。
可选的，所述显示面板固定胶带12的宽度与设置所述第一固定部116的边框(本实施例中为第一边框111)的宽度相同，以避免显示面板产生裂纹。
本公开的一些实施例中，所述胶框可以通过双面胶粘着在背板上，通常情况下，如图4所示，背板包括底板131和侧板132，所述胶框11可以通过胶框固定胶带14固定在侧板132上。
或者，如图5所示，所述胶框11上也可以设置卡扣结构，通过卡扣结构 与背板固定连接。
当然，上述两实施例仅用于说明，在本公开的其他一些实施例中，胶框和背板也可以通过其他方法固定连接。
请参考图6，图6为本公开的一些实施例的背光模组的俯视图，本实施例与图3所示的背光模组的区别在于：所述第一子边框1111和第二子边框1112上分别设置有第二固定部117，所述第二固定部117用于设置胶框固定胶带。所述背光模组还包括：胶框固定胶带15，设置于第二固定部117，所述胶框固定胶带15粘着于所述第一子边框1111和第二子边框1112朝向所述背板的表面上，以防止设置所述第一固定部116的第一边框111脱落。可选的，第二固定部117为开设于对应边框上的凹槽，从而使得设置胶框固定胶带的边框的高度不高于其他边框的高度。例如，在本公开的一些实施例中，可按照图8所示将胶框固定胶带15设置于第二固定部117之中，并如图8所示设置显示面板20、显示面板固定胶带12、胶框的边框1111和1112、第二固定部117、胶框固定胶带15以及背板。
请参考图7，图7为本公开的一些实施例的背光模组与显示面板的组合示意图。图中，20为显示面板。
本公开还提供一种显示装置，包括上述任一实施例中的背光模组。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (20)

  1. 一种胶框，应用于背光模组，其中，所述胶框包括软胶本体，所述软胶本体包括第一边框、第二边框、第三边框和第四边框，其中，至少一个边框上设置有第一固定部，所述第一固定部用于固定显示面板。
  2. 根据权利要求1所述的胶框，其中，设置所述第一固定部的边框包括断开的第一子边框和第二子边框，所述第一固定部为所述第一子边框和第二子边框之间形成的缺口。
  3. 根据权利要求1所述的胶框，其中，所述第一固定部为开设于所述至少一个边框上的凹槽。
  4. 根据权利要求2或3所述的背光模组，其中，所述第一固定部设置于所述第一边框上，所述第一边框为上边框。
  5. 根据权利要求1所述的胶框，其中，所述第一固定部用于设置显示面板固定胶带。
  6. 根据权利要求1所述的背光模组，其中，至少一个边框上设置有第二固定部，所述第二固定部用于设置胶框固定胶带。
  7. 根据权利要求6所述的胶框，其中，所述第二固定部为开设于所述至少一个边框上的凹槽。
  8. 根据权利要求1所述的胶框，其中，至少一个边框上设置有用于固定背光模组中的光学膜材的膜材固定部。
  9. 根据权利要求8所述的胶框，其中，所述第二边框和所述第四边框设置有所述膜材固定部，所述第二边框为右边框，所述第四边框为左边框。
  10. 根据权利要求1所述的胶框，其中，所述第一边框，所述第二边框，所述第三边框和所述第四边框依次连接，所述第一边框与所述第三边框相对设置，所述第二边框与所述第四边框相对设置；
    所述第一边框，所述第二边框，所述第三边框和所述第四边框的高度相同。
  11. 根据权利要求9所述的胶框，其中，所述膜材固定部为固定卡槽。
  12. 一种背光模组，包括背板以及设置在所述背板上的背光部件和胶框，所述胶框为如权利要求1-11任一项所述的胶框。
  13. 根据权利要求12所述的背光模组，
    还包括：显示面板固定胶带，设置于所述第一固定部；
    所述显示面板固定胶带的高度高于设置所述第一固定部的边框的高度。
  14. 根据权利要求13所述的背光模组，其中，所述显示面板固定胶带高出设置所述第一固定部的边框0.02～0.05mm。
  15. 根据权利要求13所述的背光模组，其中，所述显示面板固定胶带的宽度与设置所述第一固定部的边框的宽度相同。
  16. 根据权利要求12所述的背光模组，其中，至少一个边框上设置有第二固定部，所述背光模组还包括：胶框固定胶带，设置于所述第二固定部，用于将所述胶框固定于所述背板上。
  17. 根据权利要求13所述的背光模组，其中，所述显示面板固定胶带自所述背板沿第一方向延伸的距离大于设置所述第一固定部的边框自所述背板沿所述第一方向延伸的距离；
    其中，所述第一方向垂直于所述背板并从所述背板指向所述显示面板。
  18. 根据权利要求16所述的背光模组，其中，所述胶框固定胶带粘着于所述至少一个边框朝向所述背板的表面上。
  19. 根据权利要求16所述的背光模组，其中，所述第二固定部为开设于所述至少一个边框上的凹槽。
  20. 一种显示装置，包括如权利要求12-19任一项所述的背光模组。
PCT/CN2016/075273 2015-09-30 2016-03-02 一种胶框、背光模组和显示装置 Ceased WO2017054410A1 (zh)

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