WO2020228116A1 - 压力感测触摸屏及包含其的输入装置 - Google Patents

压力感测触摸屏及包含其的输入装置 Download PDF

Info

Publication number
WO2020228116A1
WO2020228116A1 PCT/CN2019/094970 CN2019094970W WO2020228116A1 WO 2020228116 A1 WO2020228116 A1 WO 2020228116A1 CN 2019094970 W CN2019094970 W CN 2019094970W WO 2020228116 A1 WO2020228116 A1 WO 2020228116A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
sensing
touch
layer
touch screen
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/CN2019/094970
Other languages
English (en)
French (fr)
Inventor
陈碧
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.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display 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 Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/612,311 priority Critical patent/US11216134B2/en
Publication of WO2020228116A1 publication Critical patent/WO2020228116A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position

Definitions

  • the present invention relates to the field of display technology, in particular to a pressure sensing touch screen and an input device containing the same.
  • touch screens have been widely used in electronic products such as mobile phones and affect people's lives and work.
  • pressure sensing can identify the pressure of a finger on the touch screen, which is more convenient for human-computer interaction.
  • the pressure sensing device is usually used as a separate external device and placed on the back of the display device.
  • this will affect the thickness of the whole machine and make the product unable to be thin and light.
  • the pressure sensing device is usually used as a separate external device and placed on the back of the display device.
  • this will affect the thickness of the whole machine and make the product unable to be thin and light.
  • the object of the present invention is to provide a pressure-sensing touch screen and an input device including the same, which integrates the pressure-sensitive layer, the touch-sensitive layer and the display panel to realize a lighter and thinner device.
  • the present invention provides a pressure-sensing touch screen, including a display panel, a pressure-sensitive layer, and a touch-sensitive layer.
  • the display panel includes a plurality of pixels.
  • the pressure sensitive layer is arranged on the display panel and is arranged corresponding to the gap area between the pixels.
  • the touch sensing layer is disposed on the pressure sensing layer, and a first insulating layer is sandwiched between the pressure sensing layer, wherein the pressure sensing layer includes at least one pressure sensing grid, and the at least one pressure sensing layer The grid is arranged corresponding to the gap area of each pixel.
  • a pressure sensing control circuit is further included, and the pressure sensing control circuit is electrically connected to all the pressure sensing grids through at least one first lead.
  • the touch sensing layer includes a plurality of sensing electrodes arranged in a first direction and a plurality of driving electrodes arranged in a second direction, each of the sensing electrodes and the corresponding driving electrodes The electrodes together form a mutual capacitive touch sensing capacitor.
  • the touch sensing layer is disposed corresponding to the gap area of each pixel, and each of the sensing electrodes and each of the driving electrodes are disposed corresponding to the gap area of each pixel. .
  • a touch control circuit is further included, and the touch control circuit is electrically connected to each of the sensing electrodes and each of the driving electrodes through at least one second lead.
  • the width of the touch sensing layer corresponding to the gap area of each pixel is smaller than the width of the pressure sensing layer corresponding to the gap area of each pixel.
  • the pressure sensitive layer is made of a light-impermeable piezoelectric material
  • the light-impermeable piezoelectric material includes a light-impermeable composite polymer material and a light-impermeable metal material.
  • the touch sensing layer is made of a light-transmitting conductive material or an opaque conductive material.
  • the present invention also provides a pressure-sensing touch screen, including a display panel, a pressure-sensing layer, and a touch-sensing layer.
  • the display panel includes a plurality of pixels.
  • the pressure sensitive layer is arranged on the display panel and is arranged corresponding to the gap area between the pixels.
  • the touch sensing layer is disposed on the pressure sensing layer, and a first insulating layer is sandwiched between the touch sensing layer and the pressure sensing layer.
  • the pressure-sensitive layer includes at least one pressure-sensitive grid, and the at least one pressure-sensitive grid is arranged corresponding to the gap area of each pixel.
  • a pressure sensing control circuit is further included, and the pressure sensing control circuit is electrically connected to all the pressure sensing grids through at least one first lead.
  • the touch sensing layer includes a plurality of sensing electrodes arranged in a first direction and a plurality of driving electrodes arranged in a second direction, each of the sensing electrodes and the corresponding driving electrodes The electrodes together form a mutual capacitive touch sensing capacitor.
  • the touch sensing layer is disposed corresponding to the gap area of each pixel, and each of the sensing electrodes and each of the driving electrodes are disposed corresponding to the gap area of each pixel. .
  • a touch control circuit is further included, and the touch control circuit is electrically connected to each of the sensing electrodes and each of the driving electrodes through at least one second lead.
  • the width of the touch sensing layer corresponding to the gap area of each pixel is smaller than the width of the pressure sensing layer corresponding to the gap area of each pixel.
  • the pressure sensitive layer is made of a light-impermeable piezoelectric material
  • the light-impermeable piezoelectric material includes a light-impermeable composite polymer material and a light-impermeable metal material.
  • the touch sensing layer is made of a light-transmitting conductive material or an opaque conductive material.
  • the present invention also provides an input device including the pressure sensing touch screen of the above-mentioned embodiments.
  • the present invention also has the following beneficial effects: according to the selection of the touch sensing layer of different materials, for example, the selection of opaque metal materials, the touch sensing layer can be made into a grid-like touch sensing pattern, and Each light-emitting pixel is used to reduce the light-emitting effect on the display panel.
  • the material of the touch sensing layer is light-transmissive ITO or a material mixed with it
  • the first insulating layer can be a thin film substrate and attached to the pressure sensing layer with an optically transparent glue, thereby achieving production Convenient, fast and thinner equipment.
  • Figure 1 is a schematic cross-sectional view of a first preferred embodiment of the present invention
  • FIG. 2 is a schematic diagram of the pressure-sensitive layer of the first preferred embodiment of the present invention.
  • Fig. 3 is a schematic cross-sectional view of the A-A section of Fig. 2;
  • FIG. 4 is another schematic diagram of the pressure-sensitive layer of the first preferred embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the touch sensing layer of the first preferred embodiment of the present invention.
  • Figure 6 is a schematic cross-sectional view of a second preferred embodiment of the present invention.
  • FIG. 1 is a schematic cross-sectional view of the first preferred embodiment of the present invention.
  • the present invention provides a pressure sensing touch screen, including a display panel 1, a pressure sensing layer 2 and a touch sensing layer 4.
  • the display panel 1 includes a plurality of pixels 111 arranged in an array.
  • the display panel 1 further includes an organic light-emitting layer 11 and an organic light-emitting layer 11.
  • the pressure sensitive layer 2 is disposed on a side surface 13 of the display panel 1, and the side surface 13 is preferably the front side.
  • Each of the pixels 111 is arranged in an array in the organic light emitting layer 11, and the pressure sensitive layer 2 is arranged on the encapsulation layer 12.
  • the pressure sensing layer 2 includes a plurality of pressure sensing grids 22, and at least one of the pressure sensing grids 22 is arranged corresponding to the gap area of each pixel 111.
  • Each of the pressure-sensitive grids 22 is composed of metal lines 21, for example.
  • the touch sensing layer 4 is disposed on the pressure sensing layer 2.
  • the touch sensing layer 4 includes a plurality of sensing electrodes 41 arranged in a first direction X and a plurality of driving electrodes 42 arranged in a second direction Y
  • the first direction X is perpendicular to the second direction Y, and other intersection angles can also be used, which is not limited here.
  • Each of the sensing electrodes 41 and each of the driving electrodes 42 jointly form a touch sensing pattern 43, and the touch sensing pattern 43 is a mutual capacitive touch sensing capacitor.
  • a first insulating layer 3 is interposed between the pressure sensitive layer 2 and the touch sensitive layer 4, and the first insulating layer 3 can prevent the pressure sensitive layer 2 from the touch sensitive layer 4 Mutual interference between them to achieve the output of pressure and touch position.
  • the pressure sensing layer 2 also includes an opening 23 opened in the metal circuit 22 and a pressure sensing control circuit 24.
  • the pressure sensing control circuit 24 is electrically connected to all the pressure sensing grids 22 through at least one first lead 25. In this embodiment, the number of the first leads 25 is preferably multiple.
  • the pressure sensing control circuit 24 includes a voltage amplifier or a charge amplifier (not shown), which recognizes that when the pressure sensing layer 2 is subjected to a touch pressure change, a corresponding voltage change or charge amount change is generated, so as to feedback and determine the pressed position The amount of pressure.
  • the width W1 of the gap area between the touch sensing layer 4 and each pixel 111 is smaller than the gap area between the pressure sensing layer 2 and each pixel 111. Width at W2.
  • the metal line width W1 of the touch sensing layer 4 is smaller than the metal line width W2 of the pressure sensing layer 2 to ensure the feedback of the pressure sensing layer 2 to the touch sensing layer 4 signal.
  • it further includes a second insulating layer 5 disposed on the touch sensing layer 4.
  • the second insulating layer 5 is, for example, glass or a light-transmitting film to protect the touch sensing layer 4 from damage or penetration of moisture.
  • each pressure-sensitive grid 22 includes but is not limited to a rectangle, and the side length of each pressure-sensitive grid 22 is 4-6 millimeters (mm) .
  • the touch sensing layer 4 is made of transparent conductive material or non-transparent conductive material.
  • the material of the touch sensing layer 4 is preferably gold, silver, copper, lithium, sodium, potassium, magnesium, titanium, aluminum, zinc, and a combination of opaque metal materials.
  • the material of the touch sensing layer 2 can also be selected as a light-transmitting conductive material, and the light-transmitting conductive material is preferably indium tin oxide (ITO).
  • the light-transmitting conductive material may also be indium tin oxide doped aluminum zinc oxide, antimony tin oxide, and combinations thereof, which can be changed as required.
  • the touch sensing layer 4 further includes a touch control circuit 44 and a circuit connected to the touch control circuit 44 and each of the sensing electrodes 41 and each of the driving electrodes 42. At least one second lead 45. In this embodiment, the number of the second leads 45 is preferably multiple.
  • the touch control circuit 44 is arranged corresponding to the pressure sensing control circuit 24 and protrudes from the display panel 1.
  • the pressure sensitive layer 2 is made of a light-impermeable piezoelectric material
  • the light-impermeable piezoelectric material includes a light-impermeable composite polymer material and a light-impermeable metal material.
  • the opaque composite polymer material is preferably polyvinylidene fluoride (PVDF). In other alternative embodiments, it can also be polyvinylidene fluoride, nylon, polyvinyl chloride, polymethylmethacrylate (PMMA), polypropylene, or a composite composed of lead zirconate titanate ceramics (PZT) Polymer Materials.
  • the opaque metal material is titanium, aluminum, zinc and a combination of opaque metal materials.
  • the first insulating layer 3 is a thin film substrate 31, and the touch sensing layer 4 is coated on one side of the thin film substrate 31
  • the optical transparent glue 32 is attached to the pressure sensitive layer 2 to realize pressure sensing and feedback of touch position.
  • the pressure-sensitive layer 2 When a finger touches the pressure-sensing touch screen, the pressure-sensitive layer 2 feedbacks the pressure output of the finger, and the touch-sensitive layer 4 accurately feedbacks the touch position of the finger, so the feedback of the two is combined
  • the signal can get the finger pressure and the precise touch position.
  • the piezoelectric material ie the pressure-sensitive layer 2 is arranged on the side 13 (ie the front) of the display panel 1, and the touch-sensitive layer 4 is combined to achieve the output of pressure and touch position, effectively achieving integration and Achieve lighter and thinner equipment.
  • the present invention also provides an input device including the pressure sensing touch screen of the above-mentioned embodiment.
  • the input device is, for example, an AMOLED touch display device, a mobile phone, a tablet computer or other suitable electronic equipment.
  • AMOLED touch display device for example, a mobile phone, a tablet computer or other suitable electronic equipment.
  • the touch sensing layer 4 can be made into a grid-shaped touch sensing pattern 21, and each The light-emitting pixels 111 are used to reduce the light-emitting influence on the display panel 1.
  • the first insulating layer 3 can be a thin film substrate 31 and attached to the pressure sensing layer 2 with an optically transparent glue 31 , So as to achieve a convenient, fast and thinner device.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)

Abstract

一种压力感测触摸屏及包含其的输入装置，其中压力感测触摸屏包括显示面板、压力感应层及触控感应层。显示面板包括多个像素。压力感应层设置在所述显示面板上，且与各所述像素间的间隙区域对应设置。触控感应层设置在所述压力感应层上，且与所述压力感应层之间夹设有第一绝缘层。

Description

压力感测触摸屏及包含其的输入装置 技术领域
本发明涉及一种显示技术领域，尤其是涉及一种压力感测触摸屏及包含其的输入装置。
 背景技术
随着时代的发展，触摸屏在手机等电子产品上得到广泛应用且影响着人们的生活及工作，其中压力感应可以识别手指在触摸屏上的压力大小，更加便捷的有利于人机交互。在一些公开的技术中，压力感应装置通常作为单独的外挂装置，并且放置在显示装置的背面，然而这样会影响整机的厚度，使产品无法实现轻薄化。
 技术问题
在一些公开的技术中，压力感应装置通常作为单独的外挂装置，并且放置在显示装置的背面，然而这样会影响整机的厚度，使产品无法实现轻薄化。
 技术解决方案
本发明的目的在于提供一种压力感测触摸屏及包含其的输入装置，将所述压力感应层、所述触控感应层和所述显示面板一体化，以实现更轻薄化的设备。
为达成本发明的前述目的，本发明提供一种压力感测触摸屏，包括显示面板、压力感应层及触控感应层。显示面板包括多个像素。压力感应层设置在所述显示面板的上，且与各所述像素间的间隙区域对应设置。触控感应层设置在所述压力感应层上，且与所述压力感应层之间夹设有第一绝缘层，其中所述压力感应层包括至少一个压力感应网格，所述至少一个压力感应网格与各所述像素的间隙区域对应设置。
根据本发明一实施例，还包括压力感应控制电路，所述压力感应控制电路通过至少一根第一引线与所有所述压力感应网格电连接。
根据本发明一实施例，所述触控感应层包括沿第一方向排列设置的多个感应电极和沿第二方向排列设置的多个驱动电极，每个所述感应电极和相应的所述驱动电极共同形成互容式触控感应电容。
根据本发明一实施例，所述触控感应层与各所述像素的间隙区域对应设置，每个所述感应电极和每个所述驱动电极均设置在与各所述像素的间隙区域对应设置。
根据本发明一实施例，还包括触控控制电路，所述触控控制电路通过至少一根第二引线分别与每个所述感应电极和每个所述驱动电极电连接。
根据本发明一实施例，所述触控感应层与各所述像素的间隙区域对应处的宽度，小于所述压力感应层与各所述像素的间隙区域对应处的宽度。
根据本发明一实施例，所述压力感应层的材质为不透光压电材料，所述不透光压电材料包括不透光复合高分子材料和不透光金属材料。
根据本发明一实施例，所述触控感应层的材质为透光导电材料或不透光导电材料。
再者，本发明还提供一种压力感测触摸屏，包括显示面板、压力感应层及触控感应层。显示面板包括多个像素。压力感应层设置在所述显示面板的上，且与各所述像素间的间隙区域对应设置。触控感应层设置在所述压力感应层上，且与所述压力感应层之间夹设有第一绝缘层。
根据本发明一实施例，所述压力感应层包括至少一个压力感应网格，所述至少一个压力感应网格与各所述像素的间隙区域对应设置。
根据本发明一实施例，还包括压力感应控制电路，所述压力感应控制电路通过至少一根第一引线与所有所述压力感应网格电连接。
根据本发明一实施例，所述触控感应层包括沿第一方向排列设置的多个感应电极和沿第二方向排列设置的多个驱动电极，每个所述感应电极和相应的所述驱动电极共同形成互容式触控感应电容。
根据本发明一实施例，所述触控感应层与各所述像素的间隙区域对应设置，每个所述感应电极和每个所述驱动电极均设置在与各所述像素的间隙区域对应设置。
根据本发明一实施例，还包括触控控制电路，所述触控控制电路通过至少一根第二引线分别与每个所述感应电极和每个所述驱动电极电连接。
根据本发明一实施例，所述触控感应层与各所述像素的间隙区域对应处的宽度，小于所述压力感应层与各所述像素的间隙区域对应处的宽度。
根据本发明一实施例，所述压力感应层的材质为不透光压电材料，所述不透光压电材料包括不透光复合高分子材料和不透光金属材料。
根据本发明一实施例，所述触控感应层的材质为透光导电材料或不透光导电材料。
再者，本发明还提供一种输入装置，包括如上所述实施例的压力感测触摸屏。
 有益效果
本发明还具有以下有益效果：根据选用不同材质的所述触控感应层，例如选用不透光的金属材料，可将所述触控感应层制作成网格状的触控感应图案，并绕过各个发光像素，以降低对所述显示面板的发光影响。当所述触控感应层的材料选用透光的ITO或与其参杂的材料时，所述第一绝缘层可采用薄膜基板并以光学透明胶贴附在所述压力感应层上，从而实现制作便利、快速且更加轻薄的设备。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，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为本发明第一较佳具体实施例的横截面示意图；
图2为本发明第一较佳具体实施例的压力感应层的示意图；
图3为图2 A-A截面的横截面示意图；
图4为本发明第一较佳具体实施例的压力感应层的另一示意图；
图5为本发明第一较佳具体实施例的触控感应层的示意图；及
图6为本发明第二较佳具体实施例的横截面示意图。
 本发明的最佳实施方式
在具体实施方式中提及“实施例”意指结合实施例描述的特定特征、结构或特性可以包含在本发明的至少一个实施例中。在说明书中的不同位置出现的相同用语并非必然被限制为相同的实施方式，而应当理解为与其它实施例互为独立的或备选的实施方式。在本发明提供的实施例所公开的技术方案启示下，本领域的普通技术人员应理解本发明所描述的实施例可具有其他符合本发明构思的技术方案结合或变化。
请参照图1所示，为本发明第一较佳具体实施例的横截面示意图。如图所示，本发明提供一种压力感测触摸屏，包括显示面板1、压力感应层2及触控感应层4。
请一并参照图2、图3及图4所示，显示面板1包括阵列排列设置的多个像素111，所述显示面板1还包括有机发光层11和设置在所述有机发光层11上的封装层12。压力感应层2设置在所述显示面板1的一侧面13上，所述侧面13优选为正面。每一所述像素111阵列排列的设置在所述有机发光层11中，所述压力感应层2则设置在所述封装层12上。所述压力感应层2包括多个压力感应网格22，至少一个所述压力感应网格22与各所述像素111的间隙区域对应设置。各所述压力感应网格22例如由金属线路21组成。
触控感应层4设置在所述压力感应层2上，所述触控感应层4包括沿第一方向X排列设置的多个感应电极41和沿第二方向Y排列设置的多个驱动电极42，优选第一方向X垂直于第二方向Y，也可以为其他相交角度，这里不限制。每一所述感应电极41和每一所述驱动电极42共同形成触控感应图案43，所述触控感应图案43即为互容式触控感应电容。所述压力感应层2和所述触控感应层4之间还夹设有第一绝缘层3，所述第一绝缘层3能够避免所述压力感应层2和所述触控感应层4之间的相互干扰，从而实现压力与触控位置的输出。
所述压力感应层2还包括开设在所述金属线路22的开口23和压力感应控制电路24。所述压力感应控制电路24通过至少一根第一引线25与所有所述压力感应网格22电连接。在本实施例中，所述第一引线25的数量优选为多根。所述压力感应控制电路24包括电压放大器或电荷放大器(图未示)，识别所述压力感应层2受到触摸压力变化时，产生相应的电压变化或电荷量变化，从而回馈并判定按压的位置及压力大小。
在如图3所示的实施例中，所述触控感应层4与各所述像素111的间隙区域对应处的宽度W1，小于所述压力感应层2与各所述像素111的间隙区域对应处的宽度W2。具体而言，所述触控感应层4的金属线宽度W1小于所述压力感应层2的金属线宽度W2，用以确保所述压力感应层2对所述触控感应层4信号的反馈。本第一具体实施例中，还包括设置在所述触控感应层4上的第二绝缘层5。所述第二绝缘层5例如为玻璃或透光薄膜，以保护所述触控感应层4不受损伤或水气的渗入。
在如图4所示的实施例中，每一所述压力感应网格22的形状包含但不限定为矩形，且每一所述压力感应网格22的边长为4至6毫米(mm)。所述触控感应层4的材质为透光导电材料或不透光导电材料。在本实施例中，所述触控感应层4的材质优选为金、银、铜、锂、钠、钾、镁、钛，铝、锌及其组合的不透光金属材质。然而在如图6所示的第二具体实施例中，所述触控感应层2的材质也可选择为透光导电材料，所述透光导电材料优选为氧化铟锡(ITO)。在其他次选的实施例中，透光导电材料也可为氧化铟锡掺铝氧化锌、锑氧化锡及其组合，视需要而改变。
请一并参照图5所示，所述触控感应层4还包括触控控制电路44以及分别连接所述触控控制电路44和每一所述感应电极41和每一所述驱动电极42的至少一根第二引线45。在本实施例中，所述第二引线45的数量优选为多根。所述触控控制电路44与所述压力感应控制电路24相对应设置，且突出于所述显示面板1。
此外，所述压力感应层2的材质为不透光压电材料，所述不透光压电材料包括不透光复合高分子材料和不透光金属材料。在本第一具体实施例中，所述不透光复合高分子材料优选为聚偏二氟乙烯（PVDF）。在其他次选的实施例中，也可以是聚偏氟乙烯、尼龙、聚氯乙烯、聚甲基丙烯酸甲酯（PMMA）、聚丙烯或与钛酸锆酸铅陶瓷(PZT)所组成的复合高分子材料。所述不透光金属材料为钛，铝、锌及其组合的不透光金属材质。
如图6所示，当选用ITO为所述触控感应层2时，所述第一绝缘层3为薄膜基板31，且所述触控感应层4在所述薄膜基板31的一侧面上涂布光学透明胶32以贴附在所述压力感应层2上，从而实现压力感应与触摸位置的反馈。
当手指对所述压力感测触摸屏进行触摸时，所述压力感应层2对手指的压力输出进行反馈，而触控感应层4会对手指的触摸位置进行精准的反馈，因此结合两者的反馈信号可以得到手指的按压力大小与精准的触控位置。简言之，将压电材料(即压力感应层2)设置在显示面板1的侧面13(即正面)，结合触控感应层4，以实现压力与触控位置的输出，有效达到一体化且实现更轻薄化的设备。
本发明还提供一种输入装置，包括如上所述实施例的压力感测触摸屏。所述的输入装置例如AMOLED触控显示装置、手机、平板电脑或其他适合的电子设备。所述输入装置的相关结构请参照上述实施例所述，在此不再赘述。
因此本发明根据选用不同材质的所述触控感应层4，例如选用不透光的金属材料，可将所述触控感应层4制作成网格状的触控感应图案21，并绕过各个发光像素111，以降低对所述显示面板1的发光影响。当所述触控感应层4的材料选用透光的ITO或与其参杂的材料时，所述第一绝缘层3可采用薄膜基板31并以光学透明胶31贴附在所述压力感应层2上，从而实现制作便利、快速且更加轻薄的设备。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，所衍生的各种更动与变化，皆涵盖于本发明以权利要求界定的保护范围内。

Claims (18)

  1. 一种压力感测触摸屏，包括:
    显示面板，包括多个像素；
    压力感应层，设置在所述显示面板上，且与各所述像素间的间隙区域对应设置；及
    触控感应层，设置在所述压力感应层上，且与所述压力感应层之间夹设有第一绝缘层，
    其中所述压力感应层包括至少一个压力感应网格，所述至少一个压力感应网格与各所述像素的间隙区域对应设置。
  2. 如权利要求1所述的压力感测触摸屏，还包括压力感应控制电路，所述压力感应控制电路通过至少一根第一引线与所有所述压力感应网格电连接。
  3. 如权利要求1所述的压力感测触摸屏，其中所述触控感应层包括沿第一方向排列设置的多个感应电极和沿第二方向排列设置的多个驱动电极，每个所述感应电极和相应的所述驱动电极共同形成互容式触控感应电容。
  4. 如权利要求3所述的压力感测触摸屏，其中所述触控感应层与各所述像素的间隙区域对应设置，每个所述感应电极和每个所述驱动电极均设置在与各所述像素的间隙区域对应设置。
  5. 如权利要求4所述的压力感测触摸屏，还包括触控控制电路，所述触控控制电路通过至少一根第二引线分别与每个所述感应电极和每个所述驱动电极电连接。
  6. 如权利要求4所述的压力感测触摸屏，其中所述触控感应层与各所述像素的间隙区域对应处的宽度，小于所述压力感应层与各所述像素的间隙区域对应处的宽度。
  7. 如权利要求1所述的压力感测触摸屏，其中所述压力感应层的材质为不透光压电材料，所述不透光压电材料包括不透光复合高分子材料和不透光金属材料。
  8. 如权利要求1所述的压力感测触摸屏，其中所述触控感应层的材质为透光导电材料或不透光导电材料。
  9. 一种压力感测触摸屏，包括:
    显示面板，包括多个像素；
    压力感应层，设置在所述显示面板上，且与各所述像素间的间隙区域对应设置；及
    触控感应层，设置在所述压力感应层上，且与所述压力感应层之间夹设有第一绝缘层。
  10. 如权利要求9所述的压力感测触摸屏，其中所述压力感应层包括至少一个压力感应网格，所述至少一个压力感应网格与各所述像素的间隙区域对应设置。
  11. 如权利要求10所述的压力感测触摸屏，还包括压力感应控制电路，所述压力感应控制电路通过至少一根第一引线与所有所述压力感应网格电连接。
  12. 如权利要求9所述的压力感测触摸屏，其中所述触控感应层包括沿第一方向排列设置的多个感应电极和沿第二方向排列设置的多个驱动电极，每个所述感应电极和相应的所述驱动电极共同形成互容式触控感应电容。
  13. 如权利要求12所述的压力感测触摸屏，其中所述触控感应层与各所述像素的间隙区域对应设置，每个所述感应电极和每个所述驱动电极均设置在与各所述像素的间隙区域对应设置。
  14. 如权利要求13所述的压力感测触摸屏，还包括触控控制电路，所述触控控制电路通过至少一根第二引线分别与每个所述感应电极和每个所述驱动电极电连接。
  15. 如权利要求13所述的压力感测触摸屏，其中所述触控感应层与各所述像素的间隙区域对应处的宽度，小于所述压力感应层与各所述像素的间隙区域对应处的宽度。
  16. 如权利要求9所述的压力感测触摸屏，其中所述压力感应层的材质为不透光压电材料，所述不透光压电材料包括不透光复合高分子材料和不透光金属材料。
  17. 如权利要求9所述的压力感测触摸屏，其中所述触控感应层的材质为透光导电材料或不透光导电材料。
  18. 一种输入装置，包括如权利要求9所述的压力感测触摸屏。
PCT/CN2019/094970 2019-05-14 2019-07-08 压力感测触摸屏及包含其的输入装置 Ceased WO2020228116A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/612,311 US11216134B2 (en) 2019-05-14 2019-07-08 Pressure sensing touch screen and input device having the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910398290.2A CN110196655B (zh) 2019-05-14 2019-05-14 压力感测触摸屏及包含其的输入装置
CN201910398290.2 2019-05-14

Publications (1)

Publication Number Publication Date
WO2020228116A1 true WO2020228116A1 (zh) 2020-11-19

Family

ID=67752727

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/094970 Ceased WO2020228116A1 (zh) 2019-05-14 2019-07-08 压力感测触摸屏及包含其的输入装置

Country Status (3)

Country Link
US (1) US11216134B2 (zh)
CN (2) CN117453073A (zh)
WO (1) WO2020228116A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102942343B1 (ko) * 2020-06-26 2026-03-23 삼성디스플레이 주식회사 전자 장치
CN114201080B (zh) * 2020-09-18 2025-01-17 群创光电股份有限公司 电子装置
CN120103996A (zh) * 2023-11-29 2025-06-06 荣耀终端股份有限公司 一种触控检测方法、触控面板及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130319137A1 (en) * 2010-10-12 2013-12-05 Tactonic Technologies, Llc Sensors Having a Connecting Frame and Method for Composite Sensors
KR20160145236A (ko) * 2015-06-09 2016-12-20 (주)이미지스테크놀로지 오엘이디 기반의 디스플레이 패널을 사용하는 장치에서의 압력 감지 터치 시스템
CN107491215A (zh) * 2017-08-29 2017-12-19 京东方科技集团股份有限公司 一种压力触控显示面板、其检测方法及显示装置
CN107562240A (zh) * 2016-07-01 2018-01-09 南昌欧菲生物识别技术有限公司 触控屏
CN108693994A (zh) * 2018-03-29 2018-10-23 武汉华星光电半导体显示技术有限公司 触控结构、oled显示触控面板及触控显示设备
CN109669571A (zh) * 2018-12-12 2019-04-23 武汉华星光电半导体显示技术有限公司 触控面板以及电子装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4766094B2 (ja) * 2008-10-01 2011-09-07 ソニー株式会社 表示パネル、表示装置
US9841850B2 (en) * 2014-06-16 2017-12-12 Synaptics Incorporated Device and method for proximity sensing with force imaging
CN105807991A (zh) * 2016-03-03 2016-07-27 京东方科技集团股份有限公司 一种显示基板、内嵌式触摸屏、其驱动方法及显示装置
CN107562236A (zh) * 2016-07-01 2018-01-09 南昌欧菲光科技有限公司 触控屏以及电子设备
KR102517092B1 (ko) * 2017-08-02 2023-04-04 삼성전자주식회사 가요성 디스플레이 패널을 포함하는 전자 장치
US20190361569A1 (en) 2018-03-28 2019-11-28 Ubi interactive inc. Interactive screen devices, systems, and methods

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130319137A1 (en) * 2010-10-12 2013-12-05 Tactonic Technologies, Llc Sensors Having a Connecting Frame and Method for Composite Sensors
KR20160145236A (ko) * 2015-06-09 2016-12-20 (주)이미지스테크놀로지 오엘이디 기반의 디스플레이 패널을 사용하는 장치에서의 압력 감지 터치 시스템
CN107562240A (zh) * 2016-07-01 2018-01-09 南昌欧菲生物识别技术有限公司 触控屏
CN107491215A (zh) * 2017-08-29 2017-12-19 京东方科技集团股份有限公司 一种压力触控显示面板、其检测方法及显示装置
CN108693994A (zh) * 2018-03-29 2018-10-23 武汉华星光电半导体显示技术有限公司 触控结构、oled显示触控面板及触控显示设备
CN109669571A (zh) * 2018-12-12 2019-04-23 武汉华星光电半导体显示技术有限公司 触控面板以及电子装置

Also Published As

Publication number Publication date
US11216134B2 (en) 2022-01-04
CN117453073A (zh) 2024-01-26
US20210342036A1 (en) 2021-11-04
CN110196655B (zh) 2023-11-28
CN110196655A (zh) 2019-09-03

Similar Documents

Publication Publication Date Title
CN205068352U (zh) 兼具指纹辨识与触控侦测的显示设备
CN105204692B (zh) 一种触摸屏、显示装置及显示装置的显示驱动方法
US10025411B2 (en) Touch screen and pressure touch detection method thereof
TWI494820B (zh) 觸控面板
US20150331508A1 (en) Integrated silicon-oled display and touch sensor panel
CN107425041A (zh) 一种触控显示面板、装置及制作方法
CN109886140B (zh) 显示面板及其制作方法和显示装置
CN102681709B (zh) 触控显示设备及其制造方法
US10289224B2 (en) Pressure sensing display and manufacturing method thereof
JP2016099999A (ja) タッチセンサを含む表示装置およびその駆動方法
CN108563361A (zh) 一种触控显示面板及其驱动方法、触控显示装置
WO2014208225A1 (ja) 押圧検出機能付タッチパネル
US10572052B2 (en) Pressure force touch panel and method for manufacturing the same, and display apparatus
CN104536197A (zh) 彩膜基板、阵列基板及显示装置
CN106816448B (zh) 触控显示装置及其驱动方法
WO2020228116A1 (zh) 压力感测触摸屏及包含其的输入装置
WO2016090714A1 (zh) 一种触摸屏及其制造方法
CN106843580B (zh) 显示装置
US10073569B2 (en) Integrated polarizer and conductive material
CN107291245B (zh) 一种触控显示面板、触控方法及显示装置
WO2021012355A1 (zh) 触控面板及有机发光显示器件
TWI637299B (zh) 觸控顯示裝置
TW201333796A (zh) 電容式觸控單元
TW201719351A (zh) 觸控顯示裝置
CN111293159B (zh) 显示基板及显示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19928568

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19928568

Country of ref document: EP

Kind code of ref document: A1