WO2017071603A1 - 压力检测结构和终端设备 - Google Patents

压力检测结构和终端设备 Download PDF

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Publication number
WO2017071603A1
WO2017071603A1 PCT/CN2016/103476 CN2016103476W WO2017071603A1 WO 2017071603 A1 WO2017071603 A1 WO 2017071603A1 CN 2016103476 W CN2016103476 W CN 2016103476W WO 2017071603 A1 WO2017071603 A1 WO 2017071603A1
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WO
WIPO (PCT)
Prior art keywords
pressure sensor
layer
display screen
pressure
glass layer
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Application number
PCT/CN2016/103476
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English (en)
French (fr)
Inventor
文达飞
冉锐
Original Assignee
深圳市汇顶科技股份有限公司
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Filing date
Publication date
Application filed by 深圳市汇顶科技股份有限公司 filed Critical 深圳市汇顶科技股份有限公司
Priority to KR1020177022911A priority Critical patent/KR101939524B1/ko
Priority to EP16859038.8A priority patent/EP3249506A4/en
Publication of WO2017071603A1 publication Critical patent/WO2017071603A1/zh
Priority to US15/674,782 priority patent/US10180363B2/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
    • 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
    • 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
    • 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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 application relates to the field of electronic technologies, and in particular, to a pressure detecting structure and a terminal device.
  • the pressure detecting structure of the existing terminal device includes a cover plate 1, a middle frame 4, a display screen 2 and a pressure sensor 3, a pressure sensor 3, a display screen 2 and a cover plate 1 from bottom to top. Stacked in the middle frame 4, the pressure sensor 3 is fixed to the bottom of the middle frame 4 and has a gap 5 with the display screen 2.
  • the pressure sensor 3 is a capacitive sensor, which includes a substrate 6 and a detection electrode 7 arranged in a matrix on the substrate 6 as shown in FIG. 1.2, and the detection electrode 7 of the pressure sensor 3 and the external reference electrode form as shown in FIG. 1.3.
  • the capacitor is shown in which a capacitance C is formed between each of the detecting electrodes 7 on the substrate 6 and the reference electrode 8.
  • the reference electrode is the internal electrode of the display screen, and its capacitance structure is as shown in Fig. 1.4.
  • the pressure detection is realized in that when the force is applied to the cover plate 1, the cover plate 1 is deformed, thereby changing the distance between the pressure sensor 3 and the reference electrode, so that the capacitance between the pressure sensor 3 and the reference electrode changes.
  • the amount of pressure is identified based on the amount of change.
  • the gap 5 is limited by the mass production assembly process and the number of assembly parts, resulting in large assembly tolerances.
  • the tolerance between the display 2 and the middle frame 4 between different machines will affect the consistency between the machines, resulting in a difference in experience between the machines.
  • the drop and extrusion deformation of the whole product are easier to change the gap size and reduce the reliability of the product.
  • the main purpose of the present application is to provide a pressure detecting structure and a terminal device, which aim to improve the stability, reliability and consistency of the terminal device detecting pressure.
  • the present application provides a pressure detecting structure including a cover plate, a display screen, a pressure sensor, and a middle frame, and the display screen and the cover plate are sequentially stacked in the middle frame from bottom to top.
  • the pressure sensor is fixed to the display screen, and the display screen includes a lower glass layer, an LED light emitting layer and an upper glass layer stacked in this order from bottom to top, and the pressure sensor is located below the lower glass layer.
  • the application also proposes a terminal device comprising a aforementioned pressure detecting structure.
  • the pressure detecting structure and the terminal device provided by the application provide a pressure deformable gap layer between the pressure sensor and the LED light emitting layer or the bottom plate of the display screen by fixing the pressure sensor to the display screen, so that the control needs to be controlled.
  • the tolerances are mainly concentrated on the thickness of the gap layer inside the display and the flatness of the pressure sensor.
  • the thickness of the gap layer between the two is relatively easy to control, and the tolerance itself is small, and the flatness of the pressure sensor can achieve higher precision, and the structural design is relatively
  • the assembly tolerance is reduced, and the stability, reliability and consistency of the detection pressure of the terminal device are improved.
  • Figure 1.1 is a schematic structural view of a pressure detecting structure in the prior art
  • Figure 1.2 is a schematic structural view of the pressure sensor of Figure 1;
  • FIG. 1.3 is a schematic structural view showing a capacitance formed by a detecting electrode and a reference electrode of the pressure sensor
  • Figure 1.4 is a schematic view showing the capacitance structure of the pressure detecting structure in the prior art
  • FIG. 2 is a schematic structural view of a first embodiment of a pressure detecting structure of the present application
  • FIG. 3 is another schematic structural view of a first embodiment of the pressure detecting structure of the present application.
  • FIG. 4 is a schematic structural view of a second embodiment of the pressure detecting structure of the present application.
  • Figure 5.1 is a schematic structural view of a third embodiment of the pressure detecting structure of the present application.
  • Figure 5.2 is another schematic structural view of the third embodiment of the pressure detecting structure of the present application.
  • FIG. 6 is a schematic structural view of a fourth embodiment of the pressure detecting structure of the present application.
  • Figure 7.1 is a schematic structural view of a fifth embodiment of the pressure detecting structure of the present application.
  • 7.2 is another schematic structural view of a fifth embodiment of the pressure detecting structure of the present application.
  • Figure 8 is a schematic structural view of a sixth embodiment of the pressure detecting structure of the present application.
  • FIG. 9 is a schematic diagram of a capacitor structure in an embodiment of the present application.
  • FIG. 10 is another schematic diagram of a capacitor structure in an embodiment of the present application.
  • Figure 11.1 is a schematic structural view of a seventh embodiment of the pressure detecting structure of the embodiment of the present application.
  • Figure 11.2 is a schematic diagram of a capacitor structure in a sixth embodiment of the present application.
  • Figure 11.3 is another schematic view of the seventh embodiment of the pressure detecting structure of the present application.
  • the pressure detecting structure includes a cover 10, a display screen 20, a pressure sensor 30, and a middle frame 40.
  • the display screen 20 and the cover 10 are stacked in the middle frame 40 from bottom to top, and the edge of the cover 10 and the middle frame 40 are Fix by adhesive or other means.
  • the pressure sensor 30 is fixed to the display screen 20.
  • the display screen 20 is an OLED (Organic Light-Emitting Diode) display, including a lower glass layer 23, an LED light-emitting layer 22, and an upper glass layer 21 stacked in this order from bottom to top.
  • the pressure sensor 30 is located below the lower glass layer 23 and has a pressure-deformable gap layer 24 between the pressure sensor 30 and the lower glass layer 23.
  • the gap layer 24 between the pressure sensor 30 and the lower glass layer 23 is a flexible filler layer (such as a flexible foam), the flexible filler layer is connected to the lower glass layer 23, and the pressure sensor 30 is connected to the flexible filler.
  • the flexible filler layer such as a flexible foam
  • the edge of the pressure sensor 30 is bonded to the lower glass layer 23 by the adhesive 50, and a gap is formed between the pressure sensor 30 and the lower glass layer 23, which is a gap layer. twenty four.
  • the void may be an air void or may be filled with a soft elastic material.
  • a bottom plate 25 may be added to the display screen 20 on the basis of the first or second embodiment to form a third embodiment.
  • the bottom plate 25 is used to carry the pressure sensor 30, enhances the flatness and hardness of the pressure sensor 30, and reduces tolerances.
  • the bottom plate 25 may be steel or other high hardness material, and the bottom plate 25 may be disposed independently of the pressure sensor 30 or may be integrally provided with the pressure sensor 30.
  • the edge of the bottom plate 25 carrying the pressure sensor 30 is bonded to the lower glass layer 23 by the adhesive 50, and a gap is formed between the pressure sensor 30 and the lower glass layer 23, the gap. That is, the gap layer 24.
  • the void may be an air void or may be filled with a soft elastic material.
  • a housing 26 can also be added to the display screen 20 on the basis of the first or second embodiment to form a fifth embodiment.
  • the lower glass layer 23, the LED light-emitting layer 22, the upper glass layer 21 and the pressure sensor 30 are housed in the outer casing 26.
  • the outer casing 26 includes a back shell 261 carrying the pressure sensor 30 and a bracket 262 connected to the edge of the back shell 261.
  • the top of the 262 is attached (or otherwise connected) to the cover 10 by an adhesive.
  • the back shell 261 and the bracket 262 may be integrally formed, or may be separately assembled and assembled.
  • the back shell 261 and the bracket 262 may be rigid metal materials, or may be plastic or other materials.
  • the carrier pad 80 is protruded from the inner bottom edge of the middle frame 40, and the pressure sensor 30, the bottom plate 25 or the outer casing 26 is placed on the carrier pad 80.
  • a carrier pad 80 is protruded from the inner bottom edge of the middle frame 40, and the bottom plate 25 is placed on the carrier pad 80.
  • the carrier pad 80 may be an elastic material or a rigid material, and the carrier pad 80 may be integrally provided with the middle frame 40 or provided separately.
  • the reference electrode becomes the internal electrode of the LED light-emitting layer 22, and the detecting electrode on the pressure sensor 30 forms a capacitance with the internal electrode of the LED light-emitting layer 22, and the capacitance structure is as shown in FIG.
  • the distance between the detecting electrode of the pressure sensor 30 and the LED light-emitting layer 22 is detected.
  • the cover 10 is deformed by pressure, the gap layer 24 between the display screen 20 and the pressure sensor 30 is compressed, which is reduced.
  • the distance between the pressure sensor 30 and the LED illuminating layer 22, thereby changing the capacitance, produces a corresponding pressure signal.
  • the tolerances required for such a structure are primarily the thickness of the gap layer 24 between the display screen 20 and the pressure sensor 30, as well as the flatness of the pressure sensor 30.
  • the thickness of the gap layer 24 between the two is relatively easy to control, and the tolerance itself is small, and the flatness of the pressure sensor 30 can achieve higher precision, so that Compared with the prior art, the structural design requires less control factors, better control in mass production, and is less susceptible to the assembly of the whole machine, the falling of the whole machine, and the deformation of the whole machine.
  • the reference electrode may not be limited to the internal electrode of the LED light-emitting layer 22, and a conductive layer may be disposed between the lower glass layer 23 and the gap layer 24 on the basis of any of the foregoing embodiments, and the conductive layer may be independent of
  • the lower glass layer 23 may also be a conductive coating applied to the surface of the lower glass layer 23 or a conductive substance or a substance with conductive particles added to the surface of the lower glass layer. At this time, the capacitor structure is as shown in FIG.
  • the gap layer 24 can be moved between the pressure sensor 30 and the bottom plate 25 or the back shell 261 on the basis of the foregoing third to fifth embodiments to form the seventh embodiment.
  • the pressure sensor 30 is closely connected to the lower glass layer 23, and a gap layer 24 (air gap or flexible elastic filler) is provided between the pressure sensor 30 and the bottom plate 25.
  • the bottom plate 25 is made of a conductive material (such as metal). Made of material), the reference electrode is the bottom plate 25 (or the back shell 261), and the capacitor structure is shown in Figure 11.2.
  • a conductive layer 90 may be disposed on the bottom plate 25.
  • the conductive layer 90 may be a laminate independent of the bottom plate 25, or may be a coating covering the bottom plate 25.
  • the reference electrode is electrically conductive. Layer 90.
  • this The embodiment can also project the carrier pad 80 at the edge of the inner bottom of the middle frame 40 as in the sixth embodiment.
  • the pressure detecting structure fixes the pressure sensor to the display screen and provides a pressure-deformable gap layer between the pressure sensor and the LED light-emitting layer or the bottom plate of the display screen, so that the tolerances required for control are mainly concentrated on The thickness of the gap layer inside the display and the flatness of the pressure sensor.
  • the thickness of the gap layer between the two is relatively easy to control, and the tolerance itself is small, and the flatness of the pressure sensor can achieve higher precision, and the structural design is relatively
  • the present application also provides a terminal device, which may be a mobile terminal such as a mobile phone or a tablet computer, or may be a fixed terminal such as a computer.
  • the terminal device includes a pressure detecting structure, the pressure detecting structure includes a cover plate, a middle frame, a display screen and a pressure sensor, and the display screen and the cover plate are sequentially stacked in the middle frame from bottom to top.
  • the display screen includes a lower glass layer, an LED light emitting layer and an upper glass layer stacked in this order from bottom to top, the pressure sensor is fixed to the lower glass layer, and the pressure sensor and the lower glass layer are There is a pressure-deformable gap layer between them.
  • the pressure detecting structure described in this embodiment is the pressure detecting structure involved in the above embodiment of the present application, and details are not described herein again.
  • the terminal device provided by the present application fixes the pressure sensor to the display screen and provides a pressure-deformable gap layer between the pressure sensor and the LED light-emitting layer or the bottom plate of the display screen, so that the tolerances to be controlled are mainly concentrated on the display.
  • the thickness of the gap layer inside the screen and the flatness of the pressure sensor since the pressure sensor is fixed on the display screen, the thickness of the gap layer between the two is relatively easy to control, and the tolerance itself is small, and the flatness of the pressure sensor can achieve higher precision, and the structural design is relatively

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Abstract

一种压力检测结构和终端设备，所述压力检测结构包括盖板(10)、显示屏(20)、压力传感器(30)和中框(40)，所述显示屏(20)和所述盖板(10)从下到上依次叠放于所述中框(40)内，所述压力传感器(30)固定于所述显示屏(20)，所述显示屏(20)包括从下到上依次叠放的下玻璃层(23)、LED发光层(22)和上玻璃层(21)，所述压力传感器(30)位于所述下玻璃层(23)下方。从而使得需要控制的公差主要集中于显示屏(20)内部的间隙层厚度，以及压力传感器(30)的平整度。这样的设计结构相对于现有技术来说，需要控制的因素少许多，量产上更好控制，不易受整机装配、整机的跌落以及整机挤压变形的影响，从而减小了装配公差，提高了终端设备检测压力的稳定性、可靠性和一致性。

Description

压力检测结构和终端设备
本申请要求申请号为CN 201520856106.1、申请日为2015年10月29日、实用新型名称为“压力检测结构和终端设备”的中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
【技术领域】
本申请涉及电子技术领域，尤其是涉及一种压力检测结构和终端设备。
【背景技术】
目前的终端设备(如手机)，通常利用压力传感器来检测人手触摸的压力。如图1.1所示，为现有的终端设备的压力检测结构，包括盖板1、中框4、显示屏2和压力传感器3，压力传感器3、显示屏2和盖板1从下到上依次叠放于中框4内，压力传感器3固定于中框4底部，并与显示屏2之间具有间隙5。一般的，压力传感器3为电容式传感器，其如图1.2所示包括基板6和呈矩阵式排布于基板6的检测电极7，压力传感器3的检测电极7与外界的参考电极形成如图1.3所示的电容，其中，基板6上的每一检测电极7与参考电极8之间均形成电容C。图1.1所示的压力检测结构中，参考电极为显示屏内部电极，其电容结构如图1.4所示。压力检测实现方式为：当有力施加到盖板1上时，盖板1发生形变，从而改变了压力传感器3与参考电极之间的间距，使得压力传感器3与参考电极之间的电容发生变化，根据变化量识别出压力大小。
从实现原理上看，需要控制好显示屏2与压力传感器3之间的检测间距，该检测间距即图1.1所示的间隙5。然而，该间隙5受限于量产装配工序多、装配部件多，导致装配公差较大。同时，不同的机器之间显示屏2与中框4的间距这个公差将会影响机器之间的一致性，从而导致机器之间的体验差异。而且，整机产品的跌落、挤压变形都较容易改变这个间隙大小，降低了产品的可靠性。
【发明内容】
本申请的主要目的在于提供一种压力检测结构和终端设备，旨在提高终端设备检测压力的稳定性、可靠性和一致性。
为达以上目的，本申请提出一种压力检测结构，包括盖板、显示屏、压力传感器和中框，所述显示屏和所述盖板从下到上依次叠放于所述中框内，所述压力传感器固定于所述显示屏，所述显示屏包括从下到上依次叠放的下玻璃层、LED发光层和上玻璃层，所述压力传感器位于所述下玻璃层下方。
本申请还提出一种终端设备，该终端设备包括一前述压力检测结构。
本申请所提供的压力检测结构和终端设备，通过将压力传感器固定于显示屏，并在压力传感器与显示屏的LED发光层或底板之间设置一受压可变形的间隙层，使得需要控制的公差主要集中于显示屏内部的间隙层厚度，以及压力传感器的平整度。其中，由于压力传感器固定于显示屏，因此二者之间的间隙层的厚度较容易控制，且本身的公差较小，而压力传感器的平整度则可以实现较高的精度，这样的结构设计相对于现有技术来说需要控制的因素少许多，量产上更好控制，不易受整机装配、整机的跌落以及整机挤压变形的影响。从而，减小了装配公差，提高了终端设备检测压力的稳定性、可靠性和一致性。
【附图说明】
图1.1是现有技术中压力检测结构的结构示意图；
图1.2是图1中的压力传感器的结构示意图；
图1.3是压力传感器的检测电极与参考电极形成电容的结构示意图；
图1.4是现有技术中压力检测结构的电容结构的示意图；
图2是本申请的压力检测结构第一实施例的结构示意图；
图3是本申请的压力检测结构第一实施例的另一结构示意图；
图4是本申请的压力检测结构第二实施例的结构示意图；
图5.1是本申请的压力检测结构第三实施例的结构示意图；
图5.2是本申请的压力检测结构第三实施例的另一结构示意图；
图6是本申请的压力检测结构第四实施例的结构示意图；
图7.1是本申请的压力检测结构第五实施例的结构示意图；
图7.2是本申请的压力检测结构第五实施例的另一结构示意图；
图8是本申请的压力检测结构第六实施例的结构示意图；
图9是本申请实施例中电容结构的示意图；
图10是本申请实施例中电容结构的另一示意图；
图11.1是本申请实施例的压力检测结构第七实施例的结构示意图；
图11.2是本申请实施例第六实施例中电容结构的示意图；
图11.3是本申请的压力检测结构第七实施例的另一结构示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
【具体实施方式】
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
如图2、图3所示，为本申请的压力检测结构第一实施例。所述压力检测结构包括盖板10、显示屏20、压力传感器30和中框40，显示屏20和盖板10从下到上依次叠放于中框40内，盖板10边缘与中框40通过粘合胶或其他方式固定。压力传感器30固定于显示屏20。
如图3所示，显示屏20为OLED(Organic Light-Emitting Diode，有机发光二极管显示)显示屏，包括从下到上依次叠放的下玻璃层23、LED发光层22和上玻璃层21，压力传感器30位于下玻璃层23下方，且压力传感器30与下玻璃层23之间具有受压可变形的间隙层24。本实施例中，压力传感器30与下玻璃层23之间的间隙层24为柔性填充物层(如柔性泡棉)，柔性填充物层连接于下玻璃层23，压力传感器30连接于柔性填充物层。例如，在压力传感器30与 下玻璃层23之间设置一柔性泡棉，柔性泡棉一面通过双面粘合胶粘接于下玻璃层23，另一面通过双面粘合胶粘接于压力传感器30。为简化起见，图3以及后续实施例中的某些附图中均省略了中框40。
如图4所示的第二实施例中，压力传感器30边缘通过粘合胶50粘接于下玻璃层23，并使得压力传感器30与下玻璃层23之间形成空隙，该空隙即为间隙层24。该空隙可以为空气空隙，也可以在其中填充软性弹性物质。
如图5.1和图5.2所示，还可以在第一或第二实施例的基础上为显示屏20增加一底板25，形成第三实施例。该底板25用于承载压力传感器30，增强压力传感器30的平整度与硬度，减小公差。底板25可以是钢材或者其他高硬度材料，底板25可以独立于压力传感器30设置也可以与压力传感器30一体设置。
如图6所示的第四实施例中，承载压力传感器30的底板25边缘通过粘合胶50粘接于下玻璃层23，并使得压力传感器30与下玻璃层23之间形成空隙，该空隙即为间隙层24。该空隙可以为空气空隙，也可以在其中填充软性弹性物质。
如图7.1和图7.2所示，还可以在第一或第二实施例的基础上为显示屏20增加一外壳26，形成第五实施例。其中，下玻璃层23、LED发光层22、上玻璃层21和压力传感器30容置于外壳26内，外壳26包括承载压力传感器30的背壳261和连接于背壳261边缘的支架262，支架262顶部通过粘合胶连接于(或其他连接方式)盖板10。背壳261与支架262可以一体成型，也可以分别成型后组装在一起，背壳261与支架262可以是刚性金属材料，也可以是塑料或者其他材料。
第六实施例中，在第一至第五任一实施例的基础上，在中框40内部底部边缘凸设承载垫80，将压力传感器30、底板25或外壳26置于承载垫80上。例如，如图8所示，在第二实施例的基础上做进一步改进，在中框40内部底部边缘凸设承载垫80，底板25置于承载垫80上。承载垫80可以是弹性材料或者刚性材料，承载垫80可以与中框40一体设置或分体设置。当显示屏20往下受压 时，承载垫80回顶底板25，从而压缩底板25与下玻璃层23之间的粘合胶50，再通过盖板10与中框40之间的粘合胶固定，就可以将不同设备之间的公差给减小或者消除，从而减小了不同设备之间的体验差异。
前述实施例中，参考电极变为LED发光层22的内部电极，压力传感器30上的检测电极与LED发光层22的内部电极形成电容，此时电容结构如图9所示。此时检测的是压力传感器30的检测电极到LED发光层22之间的间距，当盖板10受压发生形变，导致显示屏20与压力传感器30之间的间隙层24被压缩，减小了压力传感器30与LED发光层22之间的距离，从而改变了电容产生相应的压力信号。所以这种结构需要控制的公差主要在显示屏20与压力传感器30之间的间隙层24厚度，以及压力传感器30的平整度。其中，由于压力传感器30固定于显示屏20，因此二者之间的间隙层24的厚度较容易控制，且本身的公差较小，而压力传感器30的平整度则可以实现较高的精度，这样的结构设计相对于现有技术来说需要控制的因素少许多，量产上更好控制，不易受整机装配、整机的跌落以及整机挤压变形的影响。
进一步地，参考电极也可以不限定于LED发光层22的内部电极，可以在前述任一实施例的基础上，在下玻璃层23与间隙层24之间设置一导电层，该导电层可以独立于下玻璃层23，也可以是涂覆于下玻璃层23表面的导电涂层或者添加于下玻璃层表面的导电物质或者带导电粒子的物质。此时电容结构如图10所示。
特别地，可以在前述第三至第五实施例的基础上，将间隙层24移至压力传感器30与底板25或背壳261之间，形成第七实施例。例如，如图11.1所示，压力传感器30与下玻璃层23紧密连接，压力传感器30与底板25之间具有一间隙层24(空气空隙或柔性弹性填充物)，底板25由导电材料(如金属材料)制成，此时参考电极为底板25(或背壳261)，电容结构如图11.2所示。还可以如图11.3所示，在底板25上设一导电层90，该导电层90可以是独立于底板25的叠层，也可以是覆着于底板25的涂层，此时参考电极为导电层90。此外，本 实施例也可以像第六实施例那样在中框40内部底部的边缘凸设承载垫80。
本申请提供的压力检测结构，通过将压力传感器固定于显示屏，并在压力传感器与显示屏的LED发光层或底板之间设置一受压可变形的间隙层，使得需要控制的公差主要集中于显示屏内部的间隙层厚度，以及压力传感器的平整度。其中，由于压力传感器固定于显示屏，因此二者之间的间隙层的厚度较容易控制，且本身的公差较小，而压力传感器的平整度则可以实现较高的精度，这样的结构设计相对于现有技术来说需要控制的因素少许多，量产上更好控制，不易受整机装配、整机的跌落以及整机挤压变形的影响。从而，减小了装配公差，提高了终端设备检测压力的稳定性、可靠性和一致性。
本申请同时提出一种终端设备，所述终端设备可以是手机、平板电脑等移动终端，也可以是电脑等固定终端。所述终端设备包括一压力检测结构，所述压力检测结构包括盖板、中框、显示屏和压力传感器，所述显示屏和所述盖板从下到上依次叠放于所述中框内，所述显示屏包括从下到上依次叠放的下玻璃层、LED发光层和上玻璃层，所述压力传感器固定于所述下玻璃层，且所述压力传感器与所述下玻璃层之间具有受压可变形的间隙层。本实施例中所描述的压力检测结构为本申请中上述实施例所涉及的压力检测结构，在此不再赘述。
本申请提供的终端设备，通过将压力传感器固定于显示屏，并在压力传感器与显示屏的LED发光层或底板之间设置一受压可变形的间隙层，使得需要控制的公差主要集中于显示屏内部的间隙层厚度，以及压力传感器的平整度。其中，由于压力传感器固定于显示屏，因此二者之间的间隙层的厚度较容易控制，且本身的公差较小，而压力传感器的平整度则可以实现较高的精度，这样的结构设计相对于现有技术来说需要控制的因素少许多，量产上更好控制，不易受整机装配、整机的跌落以及整机挤压变形的影响。从而，减小了装配公差，提高了终端设备检测压力的稳定性、可靠性和一致性。
应当理解的是，以上仅为本申请的优选实施例，不能因此限制本申请的专利保护范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变 换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (12)

  1. 一种压力检测结构，包括盖板(10)、显示屏(20)、压力传感器(30)和中框(40)，所述显示屏(20)和所述盖板(10)从下到上依次叠放于所述中框(40)内，其特征在于：所述压力传感器(30)固定于所述显示屏(20)，所述显示屏(20)包括从下到上依次叠放的下玻璃层(23)、LED发光层(22)和上玻璃层(21)，所述压力传感器(30)位于所述下玻璃层(23)下方。
  2. 根据权利要求1所述的压力检测结构，其特征在于：所述压力传感器(30)与所述下玻璃层(23)之间具有受压可变形的间隙层(24)。
  3. 根据权利要求2所述的压力检测结构，其特征在于：所述间隙层(24)为柔性填充物层，所述柔性填充物层连接于所述下玻璃层(23)，所述压力传感器(30)连接于所述柔性填充物层。
  4. 根据权利要求2所述的压力检测结构，其特征在于：所述压力传感器(30)边缘粘接于所述下玻璃层(23)，所述间隙层(24)为所述压力传感器(30)与所述下玻璃层(30)之间形成的空隙。
  5. 根据权利要求2所述的压力检测结构，其特征在于：所述显示屏(20)还包括一承载所述压力传感器(30)的底板(25)，所述底板(25)边缘粘接于所述下玻璃层(23)，所述间隙层(24)为所述压力传感器(30)与所述下玻璃层(23)之间形成的空隙。
  6. 根据权利要求2-4任一项所述的压力检测结构，其特征在于：所述显示屏(20)还包括一承载所述压力传感器(30)的底板(25)。
  7. 根据权利要求2-4任一项所述的压力检测结构，其特征在于：所述显示屏(20)还包括一外壳(26)，所述外壳(26)包括承载所述压力传感器(30)的背壳(261)和连接于所述背壳(261)边缘的支架(262)，所述支架(262)连接于所述盖板(10)。
  8. 根据权利要求2-5任一项所述的压力检测结构，其特征在于：所述下玻 璃层(23)与所述间隙层(24)之间还具有一导电层。
  9. 根据权利要求8所述的压力检测结构，其特征在于：所述导电层为涂覆于所述下玻璃层(23)表面的导电涂层。
  10. 根据权利要求1所述的压力检测结构，其特征在于：所述显示屏(20)还包括一底板(25)，所述底板(25)边缘粘接于所述下玻璃层(23)，所述压力传感器(30)连接于所述下玻璃层(23)，所述压力传感器(30)与所述底板(25)之间具有受压可变形的间隙层(24)，所述底板(25)为导体或者所述底板(25)上具有一导电层(90)。
  11. 根据权利要求2-5任一项所述的压力检测结构，其特征在于：所述中框(40)内部底部边缘凸设有承载垫(80)。
  12. 一种终端设备，其特征在于：所述终端设备包括如权利要求1-11任一项所述的压力检测结构。
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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205121517U (zh) 2015-10-29 2016-03-30 深圳市汇顶科技股份有限公司 压力检测结构和终端设备
CN107705748B (zh) * 2015-10-30 2023-10-27 京东方科技集团股份有限公司 显示基板及其驱动方法以及显示装置
CN205384588U (zh) * 2015-12-31 2016-07-13 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205302238U (zh) * 2015-12-31 2016-06-08 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
WO2018049633A1 (zh) * 2016-09-14 2018-03-22 深圳市汇顶科技股份有限公司 压力检测装置、压力检测方法及电子终端
TWI609174B (zh) * 2016-12-29 2017-12-21 友達光電股份有限公司 具力感應功能之顯示裝置
CN107871453A (zh) * 2017-10-31 2018-04-03 云谷（固安）科技有限公司 一种柔性显示模组及其制备方法
CN108924303A (zh) * 2018-07-13 2018-11-30 维沃移动通信有限公司 一种中框、终端及终端的制作方法
CN111182101B (zh) * 2019-12-31 2021-07-23 Oppo广东移动通信有限公司 壳体组件及电子设备
TWI732662B (zh) * 2020-08-24 2021-07-01 友達光電股份有限公司 定位層疊結構
CN114242914B (zh) * 2021-12-17 2024-03-05 固安翌光科技有限公司 一种oled器件
CN115542589B (zh) * 2022-10-19 2023-06-16 深圳市环测威检测技术有限公司 一种液晶显示屏用检测设备及检测方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130278556A1 (en) * 2012-04-20 2013-10-24 Jerome S. Conway Touch-screen with front-mounted flexible display
CN203644006U (zh) * 2013-12-19 2014-06-11 东莞市飞触光电科技有限公司 一种内嵌式电容触摸屏
CN104423739A (zh) * 2013-08-30 2015-03-18 天津富纳源创科技有限公司 触控装置
CN105117080A (zh) * 2015-08-07 2015-12-02 业成光电（深圳）有限公司 整合压力感测功能的触控装置
CN105446538A (zh) * 2015-10-29 2016-03-30 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205121517U (zh) * 2015-10-29 2016-03-30 深圳市汇顶科技股份有限公司 压力检测结构和终端设备
CN205302238U (zh) * 2015-12-31 2016-06-08 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205384592U (zh) * 2016-01-25 2016-07-13 深圳市汇顶科技股份有限公司 压力检测装置、触控设备及电子终端
CN205384588U (zh) * 2015-12-31 2016-07-13 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010098662A (ko) * 2000-04-17 2001-11-08 가마이 고로 터치식 액정 표시 장치 및 입력 검출 방법
TWI282936B (en) * 2001-11-09 2007-06-21 Minebea Co Ltd Touch panel assembly
US11275405B2 (en) * 2005-03-04 2022-03-15 Apple Inc. Multi-functional hand-held device
US7614866B2 (en) * 2007-01-17 2009-11-10 3D Systems, Inc. Solid imaging apparatus and method
US20110001706A1 (en) * 2009-07-02 2011-01-06 Emery Sanford Electronic device touch screen display module
KR101033154B1 (ko) * 2010-03-11 2011-05-11 주식회사 디오시스템즈 터치 패널
RU2014135546A (ru) * 2012-03-09 2016-03-27 Сони Корпорейшн Датчик, устройство ввода и электронное устройство
US10139959B2 (en) * 2013-11-26 2018-11-27 Apple Inc. Self-calibration of force sensors and inertial compensation
KR101712346B1 (ko) * 2014-09-19 2017-03-22 주식회사 하이딥 터치 입력 장치
US10104270B2 (en) * 2014-03-24 2018-10-16 Hideep Inc. Method for operating camera underwater
US20150268802A1 (en) * 2014-03-24 2015-09-24 Hideep Inc. Menu control method and menu control device including touch input device performing the same
KR101583765B1 (ko) * 2015-07-27 2016-01-08 주식회사 하이딥 스마트폰

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130278556A1 (en) * 2012-04-20 2013-10-24 Jerome S. Conway Touch-screen with front-mounted flexible display
CN104423739A (zh) * 2013-08-30 2015-03-18 天津富纳源创科技有限公司 触控装置
CN203644006U (zh) * 2013-12-19 2014-06-11 东莞市飞触光电科技有限公司 一种内嵌式电容触摸屏
CN105117080A (zh) * 2015-08-07 2015-12-02 业成光电（深圳）有限公司 整合压力感测功能的触控装置
CN105446538A (zh) * 2015-10-29 2016-03-30 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205121517U (zh) * 2015-10-29 2016-03-30 深圳市汇顶科技股份有限公司 压力检测结构和终端设备
CN205302238U (zh) * 2015-12-31 2016-06-08 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205384588U (zh) * 2015-12-31 2016-07-13 深圳市汇顶科技股份有限公司 一种压力检测结构及触摸设备
CN205384592U (zh) * 2016-01-25 2016-07-13 深圳市汇顶科技股份有限公司 压力检测装置、触控设备及电子终端

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3249506A4 *

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CN205121517U (zh) 2016-03-30
EP3249506A1 (en) 2017-11-29
US10180363B2 (en) 2019-01-15

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