WO2020238015A1 - 一种触控显示面板及显示装置 - Google Patents

一种触控显示面板及显示装置 Download PDF

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Publication number
WO2020238015A1
WO2020238015A1 PCT/CN2019/115363 CN2019115363W WO2020238015A1 WO 2020238015 A1 WO2020238015 A1 WO 2020238015A1 CN 2019115363 W CN2019115363 W CN 2019115363W WO 2020238015 A1 WO2020238015 A1 WO 2020238015A1
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WO
WIPO (PCT)
Prior art keywords
touch
area
conductive film
display panel
touch display
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PCT/CN2019/115363
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English (en)
French (fr)
Inventor
郑净远
李全
唐国富
萧宇均
Original Assignee
惠州市华星光电技术有限公司
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Application filed by 惠州市华星光电技术有限公司 filed Critical 惠州市华星光电技术有限公司
Priority to US16/619,096 priority Critical patent/US20210333913A1/en
Publication of WO2020238015A1 publication Critical patent/WO2020238015A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • 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
    • G06F3/0412—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
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G02F1/133331—Cover glasses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • 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

Definitions

  • the invention relates to the technical field of display panels, and in particular to a touch display panel and a display device.
  • a touch display panel includes a touch conductive film and a liquid crystal display module that are bonded together.
  • the touch conductive film has a circuit layer for conducting touch signals on the periphery, which is usually located on the side of the touch conductive film facing the liquid crystal display module.
  • the touch display panel includes a liquid crystal display module 1, a touch conductive film 2 and a glass cover 3 arranged in sequence, and the overall area of the touch conductive film 2 is larger than that of the liquid crystal display module 1.
  • the touch conductive film 2 is a flexible substrate, so if the touch conductive film 2 is laminated and bonded on the crystal display module 1, there will be problems such as bubbles at the edge and difficult operation. Therefore, only the touch conductive film 2 Do lamination and bonding with the glass cover. At the same time, because the frame area of the LCD panel is too small, it will not be able to be framed with the touch module. For the above reasons, the existing capacitive touch screens are all equipped with glass cover plates, which makes it impossible to reduce weight and cost.
  • An object of the present invention is to provide a touch display panel, which can solve the problems of bubbles at the edges and difficulty in operation when the conductive film and the liquid crystal display module are laminated and bonded in the prior art.
  • the present invention provides a touch display panel, which includes a display module and a touch conductive film arranged in sequence; wherein the surface of the display module defines an effective area and an ineffective area, and the display module includes The substrate layer, the circuit layer and the display function layer; the sum of the area of the effective area and the ineffective area is the same as the area of the touch conductive film.
  • the circuit layer is only arranged in the effective area.
  • the display function layer includes a liquid crystal display function layer.
  • the display function layer includes an OLED display function layer.
  • the ineffective area can be cut.
  • the circuit layer is disposed on the substrate layer
  • the display function layer is disposed on the circuit layer
  • the touch conductive film is disposed on the display function layer.
  • a glass cover plate is further provided above the touch conductive film.
  • the area of the glass cover plate is equal to the area of the touch conductive film.
  • the area of the glass cover plate is larger than the area of the touch conductive film.
  • the present invention also provides a display device, including a body on which the touch display panel of the present invention is arranged.
  • the beneficial effect of the present invention is to provide a touch display panel and a display device.
  • the size of the touch conductive film the ineffective area around the display module is increased to the same size as the touch conductive film, which can increase
  • the bonding and bonding yield rate of the touch conductive film and the display module eliminates the need to rely on the touch conductive film and the glass cover for bonding, which can achieve the purpose of weight reduction and cost reduction.
  • FIG. 1 is a schematic diagram of the structure of a touch display panel in the prior art
  • FIG. 2 is a schematic structural diagram of a touch display panel provided by Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of a cross-sectional structure of a display module according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a touch display panel provided by Embodiment 2 of the present invention.
  • the touch conductive film has a circuit layer for conducting touch signals on the periphery, which is usually located on the side of the touch conductive film facing the liquid crystal display module.
  • the peripheral circuit of the touch conductive film causes the overall area to be larger than the liquid crystal display module, and the touch conductive film is a flexible substrate, if the touch conductive film is laminated and bonded on the crystal display module, there will be Due to problems such as bubbles and difficulty in operation, only the touch conductive film and the glass cover can be used for bonding and bonding. At the same time, the frame area of the LCD panel is too small and the touch module cannot be framed. Based on the above reasons, the existing capacitive touch screens are all equipped with glass covers, so that the weight cannot be reduced and the cost cannot be reduced.
  • FIG. 2 shows a schematic structural diagram of the touch display panel provided by this embodiment. It includes a display module 1 and a touch control panel disposed on the liquid crystal display module 1. Conductive film 2.
  • the display module includes an effective area 11 and an ineffective area 12.
  • the ineffective area can be cut twice.
  • FIGS. 3 and 4 are respectively a schematic cross-sectional structure diagram and a top schematic diagram of the display module provided by this embodiment.
  • the display module 1 includes a substrate layer 101, a circuit layer 102 disposed on the substrate layer 101, and a display function layer 103 disposed on the circuit layer 102.
  • the circuit layer 102 is only arranged in the effective area 11, and the ineffective area 12 can be cut twice, and there is no circuit layer inside, otherwise the circuit will be abnormal when it is cut off.
  • the substrate layer 1 is a PI film layer, that is, a polyimide film, which serves as the base of the liquid crystal display module 1.
  • the polyimide film is a film-like insulating material with better performance in the world and has a strong tensile strength. It is made of pyromellitic dianhydride and diaminodiphenyl ether in a strong polar solvent through polycondensation and casting into a film, and then imidization.
  • the display function layer is a liquid crystal display function layer.
  • the display function layer may also be an OLED display function layer, which can be determined as needed, and is not limited herein.
  • the total area of the effective area 11 and the ineffective area 12 is the same as the area of the touch conductive film 2. It avoids the hanging of the peripheral circuit of the touch conductive film in the prior art, can increase the bonding and bonding yield of the touch conductive film and the display module, and does not need to rely on the touch conductive film and the glass cover to do the bonding, which can reduce The purpose of weight and cost reduction.
  • FIG. 5 is a schematic structural diagram of the touch display panel provided by this embodiment.
  • the structure of the display module in this embodiment also defines an effective area and an ineffective area, which are roughly the same as the corresponding structure in Embodiment 1.
  • a glass cover 3 is also provided on the touch conductive film 2 of the touch display panel, and the area of the glass cover 3 is equal to the area of the touch conductive film 2.
  • the area of the glass cover 3 is larger than the area of the touch conductive film 2, which is not limited herein.
  • the beneficial effect of this embodiment is to provide a touch display panel. According to the size of the touch conductive film, an ineffective area is added around the display module to make the size the same as that of the touch conductive film, which can increase the touch conductive film and the display. Module fit and bonding yield.
  • This embodiment provides a touch display device, which includes a body on which the touch display panel related to Embodiment 1 is disposed.
  • This embodiment provides a touch display device. According to the size of the touch conductive film, the ineffective area around the display module is increased to make the size the same as the touch conductive film, which can increase the bonding and bonding between the touch conductive film and the display module. Yield rate, no need to rely on the touch conductive film and the glass cover to do the bonding, which can achieve the purpose of reducing weight and reducing cost.

Abstract

本发明提供一种触控显示面板及显示装置，触控显示面板包括依次设置的显示模块和触控导电膜；其中所述显示模块表面定义有一有效区和一无效区，所述显示模块包括依次设置的基板层、电路层和显示功能层，所述有效区和所述无效区的面积之和与所述触控导电膜的面积相同。

Description

一种触控显示面板及显示装置 技术领域
本发明涉及显示面板技术领域，特别涉及一种触控显示面板及显示装置。
 背景技术
一般而言，触控显示面板包含相贴合的触控导电膜与液晶显示模块。在现有的触控显示面板的设计中，触控导电膜周边具有用于传导触控讯号的线路层，通常位于触控导电膜的朝向液晶显示模块一侧。
如图1所示，触控显示面板包括依次设置的液晶显示模块1、触控导电膜2和玻璃盖板3，由于触控导电膜2的外围线路导致整体面积会大于液晶显示模块1，且触控导电膜2为软性基板，所以若将触控导电膜2在晶显示模块1上做贴合和bonding时会在边缘处有气泡与作业困难等问题，因此只能将触控导电膜2与玻璃盖板做贴合与bonding，同时会因为液晶面板的边框面积太小造成无法与触控模组做框贴设计。基于上述原因，现有的电容触控屏皆带有玻璃盖板，造成重量无法减轻与成本无法下降。
因此，确有必要来开发一种新型的触控显示面板，以克服现有技术的缺陷。
 技术问题
本发明的一个目的是提供一种触控显示面板，其能够解决现有技术中导电膜和液晶显示模块做贴合和bonding时会在边缘处有气泡与作业困难等问题。
 技术解决方案
为实现上述目的，本发明提供一种触控显示面板，包括依次设置的显示模块和触控导电膜；其中所述显示模块表面定义有一有效区和一无效区，所述显示模块包括依次设置的基板层、电路层和显示功能层；所述有效区和所述无效区的面积之和与所述触控导电膜的面积相同。
进一步的，在其他实施方式中，其中所述电路层只设置在所述有效区内。
进一步的，在其他实施方式中，其中所述显示功能层包括液晶显示功能层。
进一步的，在其他实施方式中，其中所述显示功能层包括OLED显示功能层。
进一步的，在其他实施方式中，其中所所述无效区能够被切割。
进一步的，在其他实施方式中，其中所述电路层设置于所述基板层上，所述显示功能层设置于所述电路层上，所述触控导电膜设置于所述显示功能层上。
进一步的，在其他实施方式中，其中所述触控导电膜上方还设置有玻璃盖板。
进一步的，在其他实施方式中，其中所述玻璃盖板的面积等于所述触控导电膜的面积。
进一步的，在其他实施方式中，其中所述玻璃盖板的面积大于所述触控导电膜的面积。
为实现上述目的，本发明还提供了一种显示装置，包括本体，所述本体上设置有本发明涉及的所述触控显示面板。
 有益效果
相对于现有技术，本发明的有益效果在于提供一种触控显示面板及显示装置，根据触控导电膜的尺寸，增加显示模块周围的无效区使其尺寸与触控导电膜相同，能够增加触控导电膜与显示模块的贴合与bonding良率，无需再依赖触控导电膜与玻璃盖板做贴合，能够实现减轻重量和降低成本的目的。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为现有技术中的触控显示面板的结构示意图；
图2为本发明实施例1提供的触控显示面板的结构示意图；
图3为本发明实施例1提供的显示模块的剖面结构示意图；
图4为本发明实施例1提供的显示模块的俯视结构示意图
图5为本发明实施例2提供的触控显示面板的结构示意图。
 本发明的最佳实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用于描述本发明的示例性实施例的目的。但是本发明可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
实施例1
现有的触控显示面板的设计中，触控导电膜周边具有用于传导触控讯号的线路层，通常位于触控导电膜的朝向液晶显示模块一侧。
由于触控导电膜的外围线路导致整体面积会大于液晶显示模块，且触控导电膜为软性基板，所以若将触控导电膜在晶显示模块上做贴合和bonding时会在边缘处有气泡与作业困难等问题，因此只能将触控导电膜与玻璃盖板做贴合与bonding，同时会因为液晶面板的边框面积太小造成无法与触控模组做框贴设计。基于上述原因，现有的电容触控屏皆带有玻璃盖板，造成重量无法减轻与成本无法下降。
本实施例提供一种触控显示面板，请参阅图2，图2所示为本实施例提供的触控显示面板的结构示意图，其包括显示模块1和设置于液晶显示模块1上的触控导电膜2。
显示模块包括有效区11和无效区12，无效区能够进行二次切割。
请参阅图3和图4，图3和图4分别为本实施例提供的显示模块的剖面结构示意图和俯视示意图。显示模块1包括基板层101、设置于基板层101上的电路层102和设置于电路层102上的显示功能层103。
电路层102只设置在有效区11内，其中无效区12能够进行二次切割，其内不设置有电路层，否则切掉时会造成电路异常。
基板层1为PI膜层，即聚酰亚胺薄膜，作为液晶显示模块1的基底；所述聚酰亚胺薄膜是世界上性能较好的薄膜类绝缘材料，具有较强的拉伸强度，由均苯四甲酸二酐和二氨基二苯醚在强极性溶剂中经缩聚并流延成膜再经亚胺化而成。
在本实施例中，显示功能层为液晶显示功能层，在其他实施方式中，显示功能层也可以采用OLED显示功能层，可随需要而定，在此不做限定。
有效区11和无效区12的面积之和与触控导电膜2的面积相同。避免了现有技术中触控导电膜的外围线路悬空，能够增加触控导电膜与显示模块的贴合与bonding良率，无需再依赖触控导电膜与玻璃盖板做贴合，能够实现减轻重量和降低成本的目的。
实施例2
请参阅图5，图5所示为本实施例提供的触控显示面板的结构示意图。本实施例中的显示模块结构，也定义有有效区和无效区，其与实施例1中的对应结构大致相同，其相同的结构可参照实施例1中的对应描述，此处不再赘述。其中两者的主要不同之处在于，触控显示面板的触控导电膜2上还设置有玻璃盖板3，玻璃盖板3的面积等于触控导电膜2的面积。
在其他实施方式中，玻璃盖板3的面积大于触控导电膜2的面积，在此不做限定。
本实施例的有益效果在于提供一种触控显示面板，根据触控导电膜的尺寸，在显示模块周围增加无效区使其尺寸与触控导电膜的尺寸相同，能够增加触控导电膜与显示模块的贴合与bonding良率。
实施例3
本实施例提供了一种触控显示装置，包括本体，所述本体上设置有实施例1涉及的所述触控显示面板。
本实施例提供一种触控显示装置，根据触控导电膜的尺寸，增加显示模块周围的无效区使其尺寸与触控导电膜相同，能够增加触控导电膜与显示模块的贴合与bonding良率，无需再依赖触控导电膜与玻璃盖板做贴合，能够实现减轻重量和降低成本的目的。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (17)

  1. 一种触控显示面板，包括依次设置的显示模块和触控导电膜；其中所述显示模块表面定义有一有效区和一无效区，所述显示模块包括依次设置的基板层、电路层和显示功能层；其包括，所述有效区和所述无效区的面积之和与所述触控导电膜的面积相同。
  2. 根据权利要求1所述的触控显示面板，其中，所述电路层只设置在所述有效区内。
  3. 根据权利要求1所述的触控显示面板，其中，所述显示功能层包括液晶显示功能层。
  4. 根据权利要求1所述的触控显示面板，其中，其中所述显示功能层包括OLED显示功能层。
  5. 根据权利要求1所述的触控显示面板，其中，所述无效区能够被切割。
  6. 根据权利要求1所述的触控显示面板，其中，所述电路层设置于所述基板层上，所述显示功能层设置于所述电路层上，所述触控导电膜设置于所述显示功能层上。
  7. 根据权利要求1所述的触控显示面板，其中，所述触控导电膜上方还设置有玻璃盖板。
  8. 根据权利要求7所述的触控显示面板，其中，所述玻璃盖板的面积等于所述触控导电膜的面积。
  9. 根据权利要求7所述的触控显示面板，其中，所述玻璃盖板的面积大于所述触控导电膜的面积。
  10. 一种触控显示装置，包括本体，其中，所述本体上设置有根据权利要求1任一项所述触控显示面板。
  11. 根据权利要求10所述的触控显示装置，其中，所述电路层只设置在所述有效区内。
  12. 根据权利要求10所述的触控显示装置，其中，所述显示功能层包括液晶显示功能层。
  13. 根据权利要求10所述的触控显示装置，其中，其中所述显示功能层包括OLED显示功能层。
  14. 根据权利要求10所述的触控显示装置，其中，所述无效区能够被切割。
  15. 根据权利要求10所述的触控显示装置，其中，所述电路层设置于所述基板层上，所述显示功能层设置于所述电路层上，所述触控导电膜设置于所述显示功能层上。
    16根据权利要求10所述的触控显示装置，其中，所述触控导电膜上方还设置有玻璃盖板。
  16. 根据权利要求16所述的触控显示装置，其中，所述玻璃盖板的面积等于所述触控导电膜的面积。
  17. 根据权利要求16所述的触控显示装置，其中，所述玻璃盖板的面积大于所述触控导电膜的面积。
PCT/CN2019/115363 2019-05-27 2019-11-04 一种触控显示面板及显示装置 WO2020238015A1 (zh)

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