WO2017198146A1 - 显示装置及其制作方法 - Google Patents
显示装置及其制作方法 Download PDFInfo
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- WO2017198146A1 WO2017198146A1 PCT/CN2017/084550 CN2017084550W WO2017198146A1 WO 2017198146 A1 WO2017198146 A1 WO 2017198146A1 CN 2017084550 W CN2017084550 W CN 2017084550W WO 2017198146 A1 WO2017198146 A1 WO 2017198146A1
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- WO
- WIPO (PCT)
- Prior art keywords
- region
- layer
- conductive material
- insulating material
- electrostatic shielding
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F1/00—Preventing the formation of electrostatic charges
- H05F1/02—Preventing the formation of electrostatic charges by surface treatment
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/04—Carrying-off electrostatic charges by means of spark gaps or other discharge devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- 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
Definitions
- Embodiments of the present disclosure relate to a display device and a method of fabricating the same.
- Electro-Static discharge is easy to cause damage and damage to FIC (Film Integrated Circuit) products.
- the driver IC (Driver IC) is an important circuit component.
- a layer of photoresist photosensitive adhesive
- the photoresist prevents the metal terminals from coming into contact with the conductors and short-circuiting.
- the photosensitive adhesive is transparent, it is difficult to check the surface flatness, and it has little effect on anti-ESD.
- the anti-ESD capability of the driver chip has become one of the important factors to measure the anti-ESD capability of mobile terminals.
- the current anti-ESD specifications of the driver chips on the market are around 2kV, but due to the limitations of conventional technology, the minimum authentication standard for mobile terminals (generally 6-8kV) cannot be achieved, resulting in overall performance degradation of such display products. .
- At least one embodiment of the present disclosure provides a method of fabricating a display device, the edge region of the display panel of the display device including a first region and a second region, the first region being provided with an exposed connection line pattern, The second area is not provided with a connection line graphic, and the method includes:
- An electrostatic shielding layer is attached to the edge region; wherein the electrostatic shielding layer includes an insulating material region and a conductive material region, the insulating material region contacting the first region, and the conductive material region contacting the second region.
- the electrically conductive material region is electrically connected to a grounded conductive contact disposed within the edge region.
- the first area is provided with at least one connecting line pattern, and the electrostatic shielding layer is attached to the edge area, including:
- a conductive material layer is attached on the edge region to form an electrostatic shielding layer including the insulating material layer and the conductive material layer.
- the electrostatic shielding layer includes a layer of an insulating material, and a layer of a conductive material attached to the layer of insulating material in the region of the conductive material.
- the conductive material layer is made of a metal foil; the insulating material layer is made of an insulating cloth.
- a common electrode layer is formed in the display panel; the common electrode layer is located outside the edge region.
- At least one embodiment of the present disclosure also provides a display device including a display panel; an edge region of the display panel includes a first region provided with an exposed connection line pattern and a second region not provided with an exposed connection line pattern The first area is attached with an electrostatic shielding layer;
- the electrostatic shielding layer has an insulating material region that contacts the first region, and a conductive material region that contacts the second region.
- the electrically conductive material region is electrically connected to a grounded conductive contact in the edge region.
- the electrostatic shielding layer includes at least one insulating material layer and a conductive material layer; wherein each of the insulating material layers are respectively attached to each of the first regions disposed in the first region
- the connection line pattern is attached to the edge region and covers the plurality of layers of insulating material.
- the electrostatic shielding layer includes a layer of an insulating material and a layer of a conductive material disposed in the region of the conductive material and attached to the layer of insulating material.
- the conductive material layer is made of a metal foil; the insulating material layer is made of an insulating cloth.
- the display panel has a common electrode layer therein; the common electrode layer is located outside the edge region.
- FIG. 1 is a cross-sectional view and a plan view of a display device in accordance with an embodiment of the present disclosure
- Figure 2 is a cross-sectional view showing the electrostatic shielding layer of the conductive contact in the display device of Figure 1;
- FIG. 3 is a perspective view of a display device in accordance with another embodiment of the present disclosure.
- FIG. 4 is a perspective view of a display device in accordance with yet another embodiment of the present disclosure.
- FIG. 5 is a cross-sectional view of a display panel in an edge region, in accordance with still another embodiment of the present disclosure.
- At least one embodiment of the present disclosure provides a method of fabricating a display device, the method comprising: attaching an electrostatic shielding layer 3 on an edge region 2 of a display panel 1 provided with an exposed connection line pattern.
- 1 shows a cross-sectional structure and a top view structure of a display device according to an embodiment of the present invention.
- a first region 21 in which a connection line pattern is disposed and a second region 22 in which a connection line pattern is not provided are included in the edge region 2 of the display panel 1
- the electrostatic shield layer 3 includes an insulating material region. 31 and a conductive material region 32 facing the display panel 1 and contacting the first region 21, the conductive material region 32 facing the display panel 1 and contacting the second region 22.
- the boundary between the first region 21 and the second region 22 can be set according to actual application requirements.
- the electrostatic shielding layer 3 is attached to the first region 21 of the edge region 2 of the display panel 1, as shown in the lower graph of FIG.
- the lower graph of Fig. 1 is a cross-sectional view taken along line A-A' in Fig. 1.
- the insulating material region 31 is opposed to and in contact with the first region 21, and the conductive material region 32 is opposed to and in contact with the second region 22.
- an electrostatic shielding layer 3 may be used to cover the edge region 2 with a gel between them.
- the embodiment of the present disclosure effectively shields the electrostatic charge and electrostatic field from being formed in the first region 21 by attaching the electrostatic shielding layer 3 on the edge region 2 of the display panel 1 on which the exposed connection line pattern is formed.
- the effect of the connection line graphic can replace the photosensitive adhesive produced on the display panel, so that the anti-ESD capability of the connecting line of the edge chip can be improved without increasing the process flow relative to the display panel provided with the photosensitive adhesive.
- the electrostatic shielding layer containing metal in the forming material is non-transparent, and it is easier to check the attaching condition, and the surface flatness defect is not generated, which is favorable for the improvement of product yield and performance. .
- the electrostatic charge and the electrostatic field reaching the surface can be blocked outside the display panel by providing the electrostatic shielding layer 3 on the surface of the edge region 2 of the display panel 1. If the ESD discharge phenomenon continues to occur, an electrostatic charge may be stored on the electrostatic shielding layer 3, so that the electrostatic shielding layer 3 becomes a charged body, that is, in the case of continuous ESD discharge, the electrostatic shielding layer 3 becomes a charged body. It may cause damage to other components on the display panel 1.
- the conductive material region 32 may also contact the grounded conductive contact CC (shown as a silver conductive contact in FIG. 2) in the edge region to release the accumulation.
- the charge on the electrostatic shielding layer 3. By connecting the conductive material region 32 to the conductive contact, the static charge accumulated on the surface thereof is transmitted to the conductive contact CC in time and released, thereby further enhancing the ESD resistance of the display panel.
- the electrostatic shielding layer 3 is attached to the edge region 2 of the display panel 1 on which the exposed connecting line pattern is formed.
- a layer of conductive material is attached to the edge region 2 to form an electrostatic shielding layer 3 including the insulating material region 31 and the conductive material region 32, as shown in FIG.
- the electrostatic shielding layer 3 is formed by two steps, and the insulating material layer attached before the conductive material layer can cover the exposed surface of the connecting line pattern, so that the conductive material layer cannot be in contact with the connecting line pattern, thereby It is avoided that the conductive material layer contacts the connection line pattern to form a short circuit during the process of attaching the conductive material layer, and the accuracy of the alignment can be effectively improved.
- FIG. 4 illustrates an arrangement of an electrostatic shielding layer according to another embodiment of the present disclosure.
- the electrostatic shielding layer 3 includes an insulating material layer 31 corresponding to the entire edge region 2, and a conductive material layer 32 attached to the insulating material layer 31 in the region of the conductive material.
- the conductive material layer 32 is attached in advance in the region of the conductive material on the insulating material layer 31 to form the electrostatic shielding layer 3, and then the electrostatic shielding layer 3 is attached to the edge by way of alignment.
- On area 2 Based on this, compared with the attachment method shown in FIG. 3, the amount of use of the conductive material can be reduced, and the actual use amount of the conductive material can be reduced by more than half, thereby contributing to cost reduction.
- the conductive material layer in the embodiment of the present disclosure may be made of a metal foil.
- the metal foil is made of aluminum; alternatively, the metal foil may be one layer or multiple layers.
- the layer of insulating material is made of insulating cloth.
- an adhesive can be used to complete the attaching process between the metal foil and the insulating cloth, thereby simplifying the process flow.
- FIG. 5 is a cross-sectional view of a display panel in an edge region provided in still another embodiment of the present disclosure.
- a common electrode layer is formed in the display panel, but the common electrode layers are all located outside the edge region, and thus are not shown in the edge region portion shown in Fig. 5.
- a source/drain metal layer 45 adjacent to the display panel display region and a planarization insulating film layer 44 away from the display panel display region are formed on the flat layer 43 of the display panel edge region substrate, respectively, on the source/drain metal layer 45.
- a first region having a connection line pattern is formed as a conductor metal layer 41, such as a pixel electrode layer; and a second region having no connection line pattern is formed as the insulating layer 42, such as a passivation layer, in the planarization insulating film layer 44.
- the electrostatic shielding layer 3 can be attached thereto.
- a display device which may be any display function, such as a display panel, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator, and the like. Product or part. As shown in FIG.
- the display device includes a display panel 1; an electrostatic shielding layer 3 is attached to an edge region 2 of the display panel 1 on which an exposed connection line pattern is formed; wherein, in the edge region 2 of the display panel 1, The first region 21 of the connection line pattern and the second region 22 where the connection line pattern is not provided, the electrostatic shielding layer 3 includes an insulating material region 31 and a conductive material region 32, the insulating material region 31 facing the display panel 1 and contacting the first In a region 21, the conductive material region 32 faces the display panel 1 and contacts the second region 22.
- Embodiments of the present disclosure effectively block the influence of electrostatic charges and electrostatic fields on the connection line pattern in the edge region by attaching an electrostatic shielding layer on the edge region where the display panel is exposed with the connection line pattern.
- the attached electrostatic shielding layer can replace the photosensitive adhesive produced on the display panel, so that the anti-ESD capability of the display panel provided with the photosensitive adhesive on the connecting line of the edge chip can be improved without increasing the process flow.
- the electrostatic shielding layer forming the material including the metal is non-transparent, and it is easier to check the adhesion than the photosensitive adhesive, and it does not cause the defect of the surface flatness, which is advantageous for the improvement of the product yield and performance.
- the conductive material region may be electrically connected to the grounded conductive contact in the edge region to further improve the ESD resistance of the display panel.
- the electrostatic shielding layer includes at least one insulating material layer and a conductive material layer; wherein the insulating material layer Attached to each of the at least one connecting line pattern; the conductive material layer is attached to the edge region and covers the at least one insulating material layer. Based on this, it is possible to avoid short-circuiting the connection line pattern during the process of attaching the conductive material layer, thereby effectively improving the accuracy of the alignment.
- the electrostatic shielding layer includes a layer of an insulating material, and a layer of a conductive material attached to the layer of the insulating material in the region of the conductive material.
- the conductive material layer is composed of a metal foil; optionally, the metal foil is made of aluminum; alternatively, the metal foil may be a layer, Can be multiple layers.
- the layer of insulating material is made of insulating cloth.
- an adhesive can be used to complete the attaching process between the metal foil and the insulating cloth, thereby simplifying the process flow.
- the display panel has a common electrode layer therein; and the common electrode layer is located outside the edge region. Therefore, the contact resistance of the pixel electrode layer contacting the edge of the display panel can be greatly reduced, which is advantageous for improving the anti-ESD effect.
- the terms “mounted,” “connected,” and “connected” are used in a broad sense and may be, for example, a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be directly connected, or it can be connected indirectly through an intermediate medium, which can be the internal connection of two components.
- the specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
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Abstract
Description
Claims (12)
- 一种制作显示装置的方法,所述显示装置的显示面板的边缘区域包括第一区域和第二区域,所述第一区域设置有暴露的连接线图形,所述第二区域未设置连接线图形,所述方法包括:在边缘区域贴附静电屏蔽层;其中,所述静电屏蔽层包括绝缘材料区域和导电材料区域,所述绝缘材料区域接触所述第一区域,所述导电材料区域接触所述第二区域。
- 根据权利要求1所述的方法,其中,所述导电材料区域电性连接设置在所述边缘区域内的接地的导电触点。
- 根据权利要求1或2所述的方法,其中,所述第一区域内设置有至少一个连接线图形,在边缘区域贴附静电屏蔽层包括:在所述至少一个连接线图形的每一个上贴附绝缘材料层;在所述边缘区域上贴附导电材料层,以形成包括所述绝缘材料层和所述导电材料层的静电屏蔽层。
- 根据权利要求1或2所述的方法,其中,所述静电屏蔽层包括绝缘材料层,以及在所述导电材料区域内贴附在所述绝缘材料层上的导电材料层。
- 根据权利要求3或者4所述的制作方法,其中,所述导电材料层由金属箔片制成;所述绝缘材料层由绝缘布制成。
- 根据权利要求1至5中任何一项所述的制作方法,其中,所述显示面板内形成有公共电极层;所述公共电极层均位于所述边缘区域之外。
- 一种显示装置,其包括显示面板;在所述显示面板的边缘区域包括设置有暴露的连接线图形的第一区域和未设置暴露的连接线图形的第二区域,所述第一区域贴附有静电屏蔽层;其中,所述静电屏蔽层包括绝缘材料区域和导电材料区域,所述绝缘材料区域接触所述第一区域,所述导电材料区域接触所述第二区域。
- 根据权利要求7所述的显示装置,其中,所述导电材料区域电性连通边缘区域内接地的导电触点。
- 根据权利要求7或8所述的显示装置,其中,所述静电屏蔽层包括至少一个绝缘材料层和导电材料层;其中,所述绝缘材料层中的每一个分别贴附在设置在所述第一区域中的每一个连接线图形上;所述导电材料层贴附在 所述边缘区域上并覆盖所述至少一个绝缘材料层。
- 根据权利要求7或8所述的显示装置,其中,所述静电屏蔽层包括绝缘材料层和导电材料层,所述导电材料层设置在所述导电材料区域内并贴附在所述绝缘材料层上。
- 根据权利要求7至10中任何一项所述的显示装置,其中,所述导电材料层由金属箔片构成;所述绝缘材料层由绝缘布制成。
- 根据权利要求7至10中任何一项所述的显示装置,其中,所述显示面板内具有公共电极层;所述公共电极层均位于所述边缘区域之外。
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US15/569,574 US10757848B2 (en) | 2016-05-18 | 2017-05-16 | Display device and manufacturing method thereof |
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CN201610331525.2 | 2016-05-18 | ||
CN201610331525.2A CN105848394B (zh) | 2016-05-18 | 2016-05-18 | 显示装置及其制作方法 |
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US (1) | US10757848B2 (zh) |
CN (1) | CN105848394B (zh) |
WO (1) | WO2017198146A1 (zh) |
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CN105848394B (zh) | 2016-05-18 | 2017-08-18 | 京东方科技集团股份有限公司 | 显示装置及其制作方法 |
CN111999951B (zh) * | 2020-08-27 | 2022-02-22 | 深圳市华星光电半导体显示技术有限公司 | 显示面板的静电防护电路和方法、显示面板及显示装置 |
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GB9220220D0 (en) * | 1992-09-24 | 1992-11-04 | Philips Electronics Uk Ltd | Electronic device manufacture |
CN1099546A (zh) * | 1994-06-14 | 1995-03-01 | 电子工业部第十三研究所 | 电子元器件防静电损伤的抗静电膜制备工艺 |
KR100611226B1 (ko) * | 2003-11-25 | 2006-08-09 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시 장치 |
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CN203616554U (zh) * | 2013-12-25 | 2014-05-28 | 上海天马微电子有限公司 | 一种阵列基板、显示面板和显示装置 |
CN203811938U (zh) | 2014-05-14 | 2014-09-03 | 北京京东方光电科技有限公司 | 一种显示面板和显示装置 |
JP6360718B2 (ja) * | 2014-05-16 | 2018-07-18 | 株式会社ジャパンディスプレイ | 表示装置 |
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2016
- 2016-05-18 CN CN201610331525.2A patent/CN105848394B/zh active Active
-
2017
- 2017-05-16 US US15/569,574 patent/US10757848B2/en active Active
- 2017-05-16 WO PCT/CN2017/084550 patent/WO2017198146A1/zh active Application Filing
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CN101087490A (zh) * | 2006-06-06 | 2007-12-12 | 夏普株式会社 | 电子设备 |
US20080062373A1 (en) * | 2006-09-11 | 2008-03-13 | Samsung Sdi Co., Ltd. | Flat panel display device |
CN102830550A (zh) * | 2011-06-15 | 2012-12-19 | 上海天马微电子有限公司 | 液晶显示装置 |
CN103809318A (zh) * | 2014-02-14 | 2014-05-21 | 京东方科技集团股份有限公司 | 一种阵列基板制造方法、阵列基板及显示设备 |
CN105139775A (zh) * | 2015-10-14 | 2015-12-09 | 友达光电股份有限公司 | 一种内嵌式触控面板 |
CN105848394A (zh) * | 2016-05-18 | 2016-08-10 | 京东方科技集团股份有限公司 | 显示装置及其制作方法 |
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Publication number | Publication date |
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CN105848394A (zh) | 2016-08-10 |
US10757848B2 (en) | 2020-08-25 |
US20180228064A1 (en) | 2018-08-09 |
CN105848394B (zh) | 2017-08-18 |
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