WO2017133137A1 - 显示模组和显示装置 - Google Patents

显示模组和显示装置 Download PDF

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Publication number
WO2017133137A1
WO2017133137A1 PCT/CN2016/082719 CN2016082719W WO2017133137A1 WO 2017133137 A1 WO2017133137 A1 WO 2017133137A1 CN 2016082719 W CN2016082719 W CN 2016082719W WO 2017133137 A1 WO2017133137 A1 WO 2017133137A1
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WO
WIPO (PCT)
Prior art keywords
display module
conductive
display
module according
array substrate
Prior art date
Application number
PCT/CN2016/082719
Other languages
English (en)
French (fr)
Inventor
李璐璐
王光泉
孙海威
赵婷婷
陈智勇
董恩凯
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/529,799 priority Critical patent/US10302996B2/en
Publication of WO2017133137A1 publication Critical patent/WO2017133137A1/zh

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    • G—PHYSICS
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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    • G02F1/133514—Colour filters
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    • G02—OPTICS
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    • 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
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    • 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
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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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • 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
    • G02F1/1343—Electrodes
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136204—Arrangements to prevent high voltage or static electricity failures
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
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    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
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    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • Embodiments of the present invention relate to the field of display technologies, and in particular, to a display module and a display device.
  • the display module includes a display panel and a backlight module.
  • the touch display module includes a touch display panel and a backlight module.
  • the integrated circuit (IC) burns out, and static electricity can also break the line around the display panel or the touch display panel, causing abnormal display, such as redness, bluing, abnormal display, or even display.
  • a first aspect of the present invention provides a display module including a backlight module and a display panel.
  • the backlight module is provided with a flexible circuit board bare electrode for conducting static electricity, and the display module further includes a conductive line and a conductive component.
  • the conductive line is disposed between the backlight module and the display panel; the conductive member is disposed between the display panel and the bare electrode of the flexible circuit board for using the conductive line Electrically connected to the bare electrode of the flexible circuit board.
  • a second aspect of the present invention provides a display device including the above display module.
  • FIG. 1 is a schematic structural view of a display module for preventing ESD
  • FIG. 2(a) is a side view of a display module according to an embodiment of the present invention.
  • 2(b) and 2(c) are cross-sectional structural views of a display module according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a display module according to an embodiment of the present disclosure.
  • FIG. 4 is a cross-sectional structural view of another display module according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another display module according to an embodiment of the present disclosure.
  • 6(a) and 6(b) are cross-sectional structural views of a touch display module according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional structural diagram of another touch display module according to an embodiment of the present invention.
  • each film layer in the drawings do not reflect the true proportion of each film layer, and the purpose is only to illustrate the contents of the present invention.
  • the display module includes: an array substrate 14 and a color filter substrate 13 disposed opposite to each other, and an upper polarizer 12 disposed on a side of the color filter substrate 13 facing away from the array substrate 14 , and disposed on the array substrate 14 facing away from the color a lower polarizer 15 on the side of the film substrate 13, a protective cover 10 for protecting the array substrate 14 and the color filter substrate 13, a transparent optical adhesive 11 for bonding the protective cover 10 and the upper polarizer 12, and an upper polarizer The upper bonding glue 18 bonded to the color filter substrate 13 and the bonding paste 19 to which the lower polarizing film 15 and the array substrate 14 are bonded.
  • the electro-static discharge (ESD) method of the display module is: adding an indium tin oxide (ITO) film layer 17 or other conductive film layer on the side of the color filter substrate 13 facing the array substrate 14 , the ITO film
  • the layer 17 or other conductive film layer is connected to the ground traces in the IC circuit (not shown) of the array substrate 14 by the silver paste 16, thereby functioning as an ESD.
  • the above method cannot be used for the in-cell touch display module when the ESD is prevented, because the ITO film layer or other conductive film layer is easy to shield the touch signal, resulting in insufficient touch signal amount, causing poor touch, and currently only specific Conductive materials within the range of resistance values can avoid shielding from touch signals, and the acquisition of these materials is difficult in actual production.
  • an embodiment of the present invention provides a display module including a backlight module 41 and a display panel, for example, the display panel includes opposite ones.
  • the array substrate 14 and the color filter substrate 13, and the backlight module 41 are provided with a flexible wiring board bare electrode 42 for conducting static electricity.
  • the display module provided by the embodiment of the present invention further includes a conductive line 51 and a conductive member 52.
  • the conductive line 51 is disposed on a predetermined area of the array substrate 14 facing away from the color filter substrate 13.
  • the conductive member 52 is disposed on the array substrate 14 and flexible.
  • FIGS. 2(b) and 2(c) are cross-sectional views taken along line A-A of FIG. 3, and the area to the right of the broken line 40 in FIG. 2(b) indicates a display area of the display module.
  • the preset area in the embodiment of the present invention is set according to the actual production capability and the user's requirement. In at least some embodiments, the preset area in the embodiment of the present invention is a non-display area of the array substrate.
  • the display panel in the embodiment of the invention may also be a COA substrate, a touch display panel or the like. For the sake of simplicity, the liquid crystal layer disposed between the array substrate and the color filter substrate is not shown in the drawings.
  • the display panel further includes a lower polarizer 15 and a bonding paste 19 that bonds the array substrate 14 and the lower polarizer 15 together.
  • the projected area of the conductive traces 51 on the array substrate 14 may be non-overlapping regions with the projected regions of the lower polarizer 15 on the array substrate 14, as shown in Figure 2(c).
  • the projected area of the conductive line 51 on the array substrate 14 may also overlap with the projected area of the lower polarizer 15 on the array substrate 14, as shown in FIG. 2(b), if conductive at this time.
  • the line 51 is formed by using a metal material with better conductivity. In order not to affect the display of the display module, the projection area of the conductive line 51 on the array substrate 14 is located in the non-display area of the array substrate.
  • a bonding glue such as black rubber 53 is disposed between the lower polarizer 15 and the backlight module 41, and the black rubber 53 is hollowed out at a position corresponding to the bare electrode 42 of the flexible circuit board, for example, having an opening.
  • the conductive member 52 is directly electrically connected to the flexible wiring board bare electrode 42 through the opening.
  • the black rubber used in the embodiment of the present invention may be an ordinary black rubber 53 or a conductive black rubber. The former can save manufacturing costs.
  • the flexible circuit board bare electrode 42 and the flexible circuit board are reserved on the gold finger.
  • the ground electrodes 45 are connected, and the ground electrode 45 on the gold finger of the flexible circuit board is connected to the reserved ground electrode 46 on the gold finger of the display panel flexible circuit board, for example, soldered together by the pad 47.
  • the static electricity generated by the display module of the embodiment of the present invention can pass through the conductive line 51, the conductive member 52, the bare circuit electrode 42 of the flexible circuit board, the ground electrode 45 on the gold finger of the flexible circuit board, and the gold finger of the flexible circuit board of the display panel.
  • the ground electrode 46 is reserved for release, thereby improving the antistatic capability of the product.
  • the material of the conductive traces in the embodiments of the present invention is silver paste, or a metal material, or a transparent conductive material.
  • the metal material is, for example, molybdenum aluminum molybdenum (MoAlMo);
  • the transparent conductive material is, for example, indium tin oxide (ITO), or indium zinc oxide (IZO), or a composite of ITO and IZO.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • the material of the conductive line in the embodiment of the present invention may also select other conductive materials, and the specific material of the conductive line is not limited herein.
  • the embodiment of the present invention can form the conductive line 51 on the preset area of the array substrate 14 facing away from the side of the color filter substrate 13 by, for example, printing.
  • the array substrate 14 can be backed by other methods.
  • the conductive line 51 is formed on a predetermined area on the side of the color filter substrate 13 such as a conductive line 51 formed on a predetermined area of the array substrate 14 facing away from the color filter substrate 13 by a plating process or a yellow light process.
  • the pattern shape of the conductive traces 51 is a non-closed frame shape (in the plane of the display panel), ie, having a non-closed region 60.
  • the embodiment of the present invention does not limit the specific position of the non-closed area; compared with the frame shape of the conductive line 51, the pattern shape of the conductive line 51 is designed to be a non-closed frame shape, which can be very It is good to avoid the electromagnetic circuit from causing electromagnetic interference to other devices in the display module; in addition, in order not to affect the conduction of static electricity, the width of the non-closed region 60 (in the horizontal direction of FIG. 3) is not suitable to be designed too much, according to actual production.
  • the frame shape is shaped in a zigzag shape for better conduction of static electricity.
  • the pattern shape of the conductive line 51 can also be other shapes, as long as the arrangement of the conductive lines can ensure that the static electricity generated by the display module passes through the conductive lines, the conductive parts, the flexible circuit board bare electrodes, and the flexible circuit board.
  • the grounding electrode is reserved on the gold finger and the grounding electrode is reserved on the gold finger of the display panel flexible circuit board for release.
  • the conductive member 52 is a conductive foam, or a conductive cloth, or a graphite sheet. Taking a conductive cloth as an example, in practical use, a conductive cloth with a conductive adhesive may be selected, of course, in order to It is good to realize the connection between the conductive cloth and the conductive line, and it is also possible to adhere between the conductive cloth and the conductive line by using a conductive adhesive having better adhesion and conductivity. In other embodiments, the conductive member may have other forms, and the specific materials and shapes of the conductive member are not limited herein.
  • the embodiment of the present invention further provides a display module.
  • the display module is different from the display module of FIG. 2( b ) in that the bonding glue 19 includes a plurality of conductive particles 20 .
  • the distance of the shrinkage is as shown in the figure a.
  • the figure only shows the shrinkage of the adhesive 19 affected by the external environment.
  • the lower polarizer 15 is also affected.
  • the external environmental impact has a certain degree of shrinkage. Since the shrinkage of the lower polarizer is not considered here, the shrinkage of the lower polarizer under the influence of the external environment is not shown in the figure.
  • the adhesive film 19 has an overlapping region b in the orthographic projection area of the array substrate 14 and the conductive line 51 in the orthographic projection area of the array substrate 14.
  • the static electricity generated by the display module of the embodiment of the present invention can pass through the conductive adhesive 19, the conductive line 51, the conductive member 52, the bare circuit electrode 42 of the flexible circuit board, the ground electrode 45 and the display on the gold finger of the flexible circuit board.
  • the grounding electrode 46 is reserved on the gold finger of the panel flexible circuit board for release. In this way, even if the bonding glue 19 shrinks under the influence of the outside, the generated static electricity can be well released, and the antistatic ability of the product is improved.
  • the pattern shape of the conductive line 51 may be a strip shape (in the plane of the display panel), in addition to the non-closed frame shape, such as Figure 5 shows. In actual design, in order to conduct static electricity better, the shape of the edge of the strip is set to be zigzag. Of course, in other embodiments, the pattern shape of the conductive line 51 may also be other shapes, as long as the conductive line is disposed so that the static electricity generated by the display module passes through the conductive adhesive, the conductive line, the conductive part, and the flexible circuit board. The bare electrode, the flexible circuit board, the reserved ground electrode on the gold finger and the display panel flexible circuit board, the ground electrode is reserved on the gold finger for release.
  • the embodiment of the present invention further provides a touch display module with a touch function, including a backlight module 41 , an array substrate 14 and a color filter substrate disposed opposite to each other. 13.
  • the touch electrode 91 is disposed between the array substrate 14 and the color filter substrate 13.
  • the backlight module 41 is provided with a flexible circuit board bare electrode 42 for conducting static electricity.
  • the touch display module of the present invention further includes a conductive line 51 and a conductive member 52.
  • the conductive line 51 is disposed on a predetermined area of the array substrate 14 facing away from the color filter substrate 13.
  • the conductive member 52 is disposed on the array substrate 14.
  • flexible circuit board bare Between the poles 42, the conductive line 51 is electrically connected to the flexible circuit board bare electrode 42, and FIGS. 6(a) and 6(b) are cross-sectional views.
  • the black rubber used in the touch display module of the embodiment of the present invention is an ordinary black rubber 53 and does not need to use conductive black rubber, which saves the manufacturing cost of the black rubber.
  • the conductive member 52 It is electrically connected to the flexible circuit board bare electrode 42, which is hollowed out at a position corresponding to the bare circuit board bare electrode 42, that is, has an opening.
  • the static electricity generated by the touch display module of the embodiment of the present invention can be pre-prepared by the conductive line 51, the conductive member 52, the bare circuit electrode 42 of the flexible circuit board, the ground electrode 45 on the gold finger of the flexible circuit board, and the gold finger of the flexible circuit board of the display panel.
  • the residual electrode 46 is released, thereby improving the antistatic ability of the product.
  • the touch electrodes 91 can be self-capacitance touch electrodes or mutual capacitance touch electrodes.
  • the touch electrode is a self-capacitance touch electrode
  • the self-capacitance touch electrode may be disposed on a side of the array substrate facing the color filter substrate, or may be disposed on a side of the color filter substrate facing the array substrate.
  • the driving electrodes and the sensing electrodes may be disposed on a side of the array substrate facing the color filter substrate, or the driving electrodes and the sensing electrodes may be disposed on the color film substrate facing the array substrate.
  • the driving electrode may be disposed on a side of the array substrate facing the color filter substrate, and the sensing electrode is disposed on a side of the color film substrate facing the array substrate.
  • the touch display module in the embodiment of the present invention can also discharge static electricity in another manner.
  • the touch display module of the embodiment of the present invention includes a lower polarizer 15 on the side of the array substrate 14 facing away from the color filter substrate 13 , and a lower polarizer 15 and the array substrate 14 .
  • the bonding glue 19 includes a plurality of conductive particles 20, and after the bonding glue 20 is contracted by the external environment, the bonding glue 19 is on the front projection area of the array substrate 14 and the conductive line 51 is on the array substrate 14. There is an overlapping area in the orthographic projection area.
  • the static electricity generated by the touch display module of the embodiment of the present invention may be through the conductive adhesive 19, the conductive line 51, the conductive member 52, the bare circuit electrode 42 of the flexible circuit board, and the ground electrode 45 reserved on the gold finger of the flexible circuit board.
  • the ground electrode 46 is reserved on the gold finger of the display panel flexible circuit board for release.
  • the embodiment of the present invention further provides a display device, which includes the above display module, and the display device can be a liquid crystal panel, a liquid crystal display, a liquid crystal television, or an organic light emitting diode.
  • OLED Organic Light Emitting Diode
  • the embodiment of the present invention uses the conductive line and the conductive member to form an electrostatic discharge path, the production cost is reduced, and the static electricity generated by the display module can be released well. Therefore, the embodiment of the present invention can increase the manufacturing cost without increasing the manufacturing cost. Improve the antistatic ability of the product on the basis.

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Abstract

一种显示模组和显示装置。显示模组包括背光模组(41)和显示面板，所述背光模组(41)上设置有用于传导静电的柔性线路板裸电极(42)，所述显示模组还包括导电线路(51)和导电部件(52)，其中所述导电线路(51)设置在所述背光模组(41)和所述显示面板之间；所述导电部件(52)设置在所述显示面板和所述柔性线路板裸电极(42)之间，用于将所述导电线路(51)与所述柔性线路板裸电极(42)电连接。上述显示模组具有更好的抗静电能力。

Description

显示模组和显示装置 技术领域
本发明实施例涉及显示技术领域，尤其涉及一种显示模组、显示装置。
背景技术
显示模组包括显示面板和背光模组，触控显示模组包括触控显示面板和背光模组，当显示模组或触控显示模组的静电较大时，静电会将触控显示模组的集成电路(IC)烧坏，同时静电也会使显示面板或触控显示面板四周线路断路，导致显示异常，如：发红、发蓝、异常显示甚至无法显示等。
发明内容
本发明第一方面提供一种显示模组，包括背光模组和显示面板，所述背光模组上设置有用于传导静电的柔性线路板裸电极，所述显示模组还包括导电线路和导电部件，其中，所述导电线路设置在所述背光模组和所述显示面板之间；所述导电部件设置在所述显示面板和所述柔性线路板裸电极之间，用于将所述导电线路与所述柔性线路板裸电极电连接。
本发明第二方面提供一种显示装置，该显示装置包括上述的显示模组。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，而非对本发明的限制。
图1为一种显示模组防ESD的结构示意图；
图2(a)为本发明实施例提供的一种显示模组的侧视图；
图2(b)和图2(c)为本发明实施例提供的一种显示模组的截面结构图；
图3为本发明实施例提供的一种显示模组的平面结构图；
图4为本发明实施例提供的另一显示模组的截面结构图；
图5为本发明实施例提供的另一显示模组的平面结构图；
图6(a)和图6(b)为本发明实施例提供的触控显示模组的截面结构图；
图7为本发明实施例提供的另一触控显示模组的截面结构图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述，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它实施例，都属于本发明保护的范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
附图中各膜层厚度和区域大小、形状不反应各膜层的真实比例，目的只是示意说明本发明内容。
如图1所示，显示模组包括：相对设置的阵列基板14和彩膜基板13，设置在彩膜基板13背向阵列基板14一侧的上偏光片12，设置在阵列基板14背向彩膜基板13一侧的下偏光片15，对阵列基板14和彩膜基板13进行保护的保护盖板10，将保护盖板10与上偏光片12粘合的透明光学胶11，将上偏光片12与彩膜基板13贴合的上贴合胶18，将下偏光片15与阵列基板14贴合的贴合胶19。该显示模组采用的防静电(Electro-Static discharge，ESD)的方法为：在彩膜基板13背向阵列基板14一侧增加氧化铟锡(ITO)膜层17或其它导电膜层，ITO膜层17或其它导电膜层通过银胶16与阵列基板14侧IC电路(图中未示出)中的接地走线连接，从而起到防ESD的作用。
上述方法防ESD时不能用于内嵌式触控显示模组，因为ITO膜层或其它导电膜层对触控信号容易产生屏蔽，造成触控信号量不足，引起触控不良，目前只有在特定电阻值范围内的导电材料才能避免对触控信号产生的屏蔽，而这些材料的获取在实际生产中较困难。
如图2(a)、图2(b)和图2(c)所示，本发明实施例提供了一种显示模组，包括背光模组41和显示面板，例如该显示面板包括相对设置的阵列基板14和彩膜基板13，背光模组41设置有用于传导静电的柔性线路板裸电极42。本发明实施例提供的显示模组还包括导电线路51和导电部件52，导电线路51设置在阵列基板14背向彩膜基板13一侧的预设区域，导电部件52设置在阵列基板14和柔性线路板裸电极42之间，用于将导电线路51与柔性线路板裸电极42电连接。图2(a)为侧视图，图2(b)和图2(c)为图3沿A-A的截面图，图2(b)中虚线40右侧的区域表示显示模组的显示区。
本发明实施例中的预设区域是根据实际生产的能力以及用户的需求进行设定的，至少一些实施例中，本发明实施例中的预设区域为阵列基板的非显示区。本发明实施例中的显示面板还可以是COA基板，触控显示面板等。为了简化目的，附图中没有示出设置在阵列基板和彩膜基板之间的液晶层。
至少一些实施例中，显示面板还包括下偏光片15和将所述阵列基板14与所述下偏光片15贴合到一起的贴合胶19。在一个示例中，导电线路51在阵列基板14上的投影区域可以与下偏光片15在阵列基板14上的投影区域无交叠区域，如图2(c)所示。在其他示例中，导电线路51在阵列基板14上的投影区域也可以与下偏光片15在阵列基板14上的投影区域存在交叠区域，如图2(b)所示，如果此时的导电线路51采用导电性能较佳的金属材料制作形成，这时为了不影响显示模组的显示，导电线路51在阵列基板14上的投影区域位于阵列基板的非显示区。
至少一些实施例中，在下偏光片15和背光模组41之间设置有贴合胶，例如黑黑胶53，黑黑胶53在对应柔性线路板裸电极42的位置处镂空设置，例如具有开口，所述导电部件52通过该开口与柔性线路板裸电极42直接电连接。本发明实施例采用的黑黑胶可以为普通的黑黑胶53，也可以为导电的黑黑胶，前者能够节省制作成本。
如图2(a)所示，柔性线路板裸电极42与柔性线路板金手指上预留接 地电极45连接，柔性线路板金手指上预留接地电极45与显示面板柔性线路板金手指上预留接地电极46连接，例如通过焊盘47焊接在一起。这样，上述本发明实施例显示模组产生的静电可以通过导电线路51、导电部件52、柔性线路板裸电极42、柔性线路板金手指上预留接地电极45和显示面板柔性线路板金手指上预留接地电极46进行释放，由此提高了产品的抗静电能力。
至少一些实施例中，本发明实施例中的导电线路的材料为银胶，或为金属材料，或为透明导电材料。当导电线路的材料为金属材料时，金属材料例如为钼铝钼(MoAlMo)；当导电线路的材料为透明导电材料时，透明导电材料例如为氧化铟锡(ITO)，或为氧化铟锌(IZO)，或为ITO和IZO组成的复合材料。本发明实施例中的导电线路的材料还可以选择其它的导电材料，这里不对导电线路的具体材料做限定。
本发明实施例可以通过例如印刷的方法在阵列基板14背向彩膜基板13一侧的预设区域上形成导电线路51，当然，在实际生产过程中，还可以通过其它方法在阵列基板14背向彩膜基板13一侧的预设区域上形成导电线路51，如：通过镀膜工艺或黄光工艺在阵列基板14背向彩膜基板13一侧的预设区域上形成导电线路51。
至少一些实施例中，如图3所示，导电线路51的图案形状为非闭合的框形(在显示面板所在平面内)，即，具有非闭合区域60。实际设计时，本发明实施例并不对非闭合区域的具体位置进行限定；与导电线路51的图案形状为闭合的框形相比，将导电线路51的图案形状设计为非闭合的框形，能够很好的避免导电线路对显示模组内的其它器件造成电磁干扰；另外，为了不影响静电的传导，非闭合区域60的宽度(沿图3的水平方向)不宜设计的太大，具体根据实际生产工艺的条件确定。至少一些实施例中，为了更好的进行传导静电，将框形的边缘形状设置为锯齿状。当然，在其他实施例中，导电线路51的图案形状还可以为其它形状，只要保证导电线路的设置能够使得显示模组产生的静电通过导电线路、导电部件、柔性线路板裸电极、柔性线路板金手指上预留接地电极和显示面板柔性线路板金手指上预留接地电极进行释放即可。
至少一些实施例中，导电部件52为导电泡棉，或为导电布，或为石墨片，以导电布为例，在实际使用时，可以选择带导电胶的导电布，当然，为了更 好的实现导电布与导电线路的连接，还可以在导电布与导电线路之间采用粘附性以及导电性较佳的导电胶进行贴合。在其他实施例中，导电部件还可以具有其他形式，这里不对导电部件的具体材料和形状做限定。
本发明实施例还提供一种显示模组，如图4所示，该显示模组与图2(b)的显示模组的不同之处在于，贴合胶19包括若干导电粒子20。贴合胶19受外界环境影响发生收缩后，收缩的距离如图中的a，图中仅示出了贴合胶19受外界环境影响的收缩情况，实际使用过程中下偏光片15也会受外界环境影响发生一定程度的收缩，由于这里暂不考虑下偏光片的收缩情况，因此下偏光片受外界环境影响的收缩情况在图中未示出。此时，该贴合胶19在阵列基板14的正投影区域与导电线路51在阵列基板14的正投影区域存在交叠区域b。
此时，本发明实施例显示模组产生的静电可以通过导电的贴合胶19、导电线路51、导电部件52、柔性线路板裸电极42、柔性线路板金手指上预留接地电极45和显示面板柔性线路板金手指上预留接地电极46进行释放。这样，即使贴合胶19在外界影响下发生收缩后仍然能够很好的释放产生的静电，提高了产品的抗静电能力。
至少一些实施例中，通过图4所示的方式释放产生的静电时，导电线路51的图案形状除了可以为非闭合的框形外，还可以为条形(在显示面板所在平面内)，如图5所示。在实际设计时，为了更好的进行传导静电，将条形的边缘形状设置为锯齿状。当然，在其他实施例中，导电线路51的图案形状还可以为其它形状，只要保证导电线路的设置能够使得显示模组产生的静电通过导电的贴合胶、导电线路、导电部件、柔性线路板裸电极、柔性线路板金手指上预留接地电极和显示面板柔性线路板金手指上预留接地电极进行释放即可。
如图6(a)和图6(b)所示，本发明实施例还提供一种具有触控功能的触控显示模组，包括背光模组41、相对设置的阵列基板14和彩膜基板13，设置在阵列基板14和彩膜基板13之间的触控电极91，背光模组41设置有用于传导静电的柔性线路板裸电极42。本发明实施例提供的触控显示模组还包括导电线路51和导电部件52，导电线路51设置在阵列基板14背向彩膜基板13一侧的预设区域，导电部件52设置在阵列基板14和柔性线路板裸电 极42之间，用于将导电线路51与柔性线路板裸电极42电连接，这里的图6(a)和图6(b)均为截面图。
此时，本发明实施例触控显示模组采用的黑黑胶为普通的黑黑胶53，不需要采用导电的黑黑胶，节省了黑黑胶的制作成本，另外，为了使导电部件52与柔性线路板裸电极42电连接，黑黑胶53在对应柔性线路板裸电极42的位置处镂空设置，即具有开口。
本发明实施例触控显示模组产生的静电可以通过导电线路51、导电部件52、柔性线路板裸电极42、柔性线路板金手指上预留接地电极45和显示面板柔性线路板金手指上预留接地电极46进行释放，从而提高了产品的抗静电能力。
至少一些实施例中，触控电极91可以为自电容触控电极，也可以为互电容触控电极。当触控电极为自电容触控电极时，自电容触控电极可以设置在阵列基板朝向彩膜基板的一侧，也可以设置在彩膜基板朝向阵列基板的一侧。
当触控电极为互电容触控电极时，可以将驱动电极和感应电极均设置在阵列基板朝向彩膜基板的一侧，也可以将驱动电极和感应电极均设置在彩膜基板朝向阵列基板的一侧，还可以将驱动电极设置在阵列基板朝向彩膜基板的一侧，将感应电极设置在彩膜基板朝向阵列基板的一侧。
至少一些实施例中，本发明实施例中的触控显示模组还可以通过另外一种方式释放静电。如图7所示，本发明实施例的触控显示模组包括位于阵列基板14背向彩膜基板13一侧的下偏光片15，以及将下偏光片15与阵列基板14贴合到一起的贴合胶19，贴合胶19中包括若干导电粒子20，贴合胶20受外界环境影响发生收缩后，该贴合胶19在阵列基板14的正投影区域与导电线路51在阵列基板14的正投影区域存在交叠区域。
此时，本发明实施例触控显示模组产生的静电可以通过导电的贴合胶19、导电线路51、导电部件52、柔性线路板裸电极42、柔性线路板金手指上预留接地电极45和显示面板柔性线路板金手指上预留接地电极46进行释放。这样，即使贴合胶19在外界影响下发生收缩后仍然能够很好的释放产生的静电，提高了产品的抗静电能力。
本发明实施例还提供了一种显示装置，该显示装置包括上述的显示模组，该显示装置可以为液晶面板、液晶显示器、液晶电视、有机发光二极管 (Organic Light Emitting Diode，OLED)面板、OLED显示器、OLED电视或电子纸等任一具有显示部件或功能的显示装置。
由于本发明实施例采用导电线路和导电部件形成静电释放路径，降低了生产成本，同时也能够使显示模组产生的静电很好的得到释放，因此，本发明实施例能够在不增加制作成本的基础上提高产品的抗静电能力。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请基于并且要求于2016年2月4日递交的中国专利申请第201610079253.1号的优先权，在此全文引用上述中国专利申请公开的内容。

Claims (18)

  1. 一种显示模组，包括背光模组和显示面板，所述背光模组上设置有用于传导静电的柔性线路板裸电极，所述显示模组还包括导电线路和导电部件，其中，
    所述导电线路设置在所述背光模组和所述显示面板之间；
    所述导电部件设置在所述显示面板和所述柔性线路板裸电极之间，用于将所述导电线路与所述柔性线路板裸电极电连接。
  2. 根据权利要求1所述的显示模组，其中，所述显示面板包括相对设置的阵列基板和彩膜基板。
  3. 根据权利要求2所述的显示模组，其中，所述导电线路设置在所述阵列基板背向所述彩膜基板一侧。
  4. 根据权利要求2所述的显示模组，其中，所述导电线路设置在所述阵列基板的非显示区中。
  5. 根据权利要求1所述的显示模组，其中，所述导电线路的图案形状为非闭合的框形。
  6. 根据权利要求5所述的显示模组，其中，所述框形的边缘形状为锯齿状。
  7. 根据权利要求2所述的显示模组，其中，所述显示面板还包括偏光片和将所述阵列基板与所述偏光片贴合到一起的贴合胶，其中，所述贴合胶中设置有导电粒子。
  8. 根据权利要求7所述的显示模组，其中，所述贴合胶发生收缩后，其在所述阵列基板上的正投影与所述导电线路在所述阵列基板上的正投影彼此交叠。
  9. 根据权利要求1所述的显示模组，其中，所述导电线路的图案形状为条形。
  10. 根据权利要求9所述的显示模组，其中，所述条形的边缘形状为锯齿状。
  11. 根据权利要求1-10任一项所述的显示模组，其中，所述导电线路的材料为银胶。
  12. 根据权利要求1-10任一项所述的显示模组，其中，所述导电线路的材料为金属。
  13. 根据权利要求12所述的显示模组，其中，所述金属为钼铝钼。
  14. 根据权利要求1-10任一项所述的显示模组，其中，所述导电线路的材料为透明导电材料。
  15. 根据权利要求14所述的显示模组，其中，所述透明导电材料为氧化铟锡，或为氧化铟锌，或为氧化铟锡和氧化铟锌组成的复合材料。
  16. 根据权利要求1所述的显示模组，其中，所述导电部件为导电泡棉，或为导电布，或为石墨片。
  17. 根据权利要求2所述的显示模组，其中，所述显示模组为触控显示模组，所述触控显示模组包括设置在所述阵列基板和所述彩膜基板之间的触控电极。
  18. 一种显示装置，包括权利要求1-17任一权项所述的显示模组。
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