WO2021051643A1 - 一种触控显示屏和移动终端 - Google Patents

一种触控显示屏和移动终端 Download PDF

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Publication number
WO2021051643A1
WO2021051643A1 PCT/CN2019/120208 CN2019120208W WO2021051643A1 WO 2021051643 A1 WO2021051643 A1 WO 2021051643A1 CN 2019120208 W CN2019120208 W CN 2019120208W WO 2021051643 A1 WO2021051643 A1 WO 2021051643A1
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WO
WIPO (PCT)
Prior art keywords
area
touch
line
display area
curved
Prior art date
Application number
PCT/CN2019/120208
Other languages
English (en)
French (fr)
Inventor
于洋
Original Assignee
捷开通讯(深圳)有限公司
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 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Priority to US17/615,831 priority Critical patent/US11747929B2/en
Priority to EP19945526.2A priority patent/EP4033554A4/en
Publication of WO2021051643A1 publication Critical patent/WO2021051643A1/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
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • This application relates to the field of display technology, in particular to a touch display screen and a mobile terminal.
  • non-display area needs to be reserved on the display panel for wiring binding, resulting in the display panel’s failure.
  • the non-display area is always larger, which is not conducive to narrowing the frame of the display device.
  • the present application provides a touch display screen and a mobile terminal to realize a narrow frame and a high screen-to-body ratio of the display screen.
  • an embodiment of the present application provides a touch display screen.
  • the touch display screen includes a flat display area, a curved display area, and a circuit area that are sequentially connected.
  • the curved display area is curved in an arc shape.
  • the line area is located below the flat display area, wherein the touch display screen further includes a plurality of touch lines, and the signal input ends of the multiple touch lines are all located in the line area and are curved
  • the central angle of the curved surface display area is not less than 90 degrees, and the curved radius of the curved surface display area is in the range of 0.5-2 mm.
  • the line area includes a fan-out area and a binding area, the fan-out area is located between the binding area and the curved display area, and the signal input ends of the multiple touch lines are all located in the Binding area.
  • the fan-out area is curved in an arc in a direction approaching the flat display area, and the bending radius of the fan-out area is larger than the bending radius of the curved display area.
  • the range of the bending radius of the fan-out area is 3 to 5 millimeters.
  • the plurality of touch lines includes a first touch line and a second touch line that are cross-insulated, the first touch line extends in a first preset direction in the plane display area, and the second Two touch wires extend in a second predetermined direction in the flat display area, at least one end of the first touch wire is a signal input terminal, and at least one end of the second touch wire is a signal input terminal.
  • both ends of the first touch wire are signal input terminals, and one end of the second touch wire is signal input terminals.
  • the flat display area and the curved display area constitute the display area of the touch display screen
  • the touch display screen further includes a first wiring area and a second wiring area, the first wiring area and The second wiring area is oppositely arranged on both sides of the display area and connected to the circuit area.
  • the first touch line surrounds the display in the first wiring area and the second wiring area. The boundary of the area extends to the line area, and the second touch line extends to the line area in the display area.
  • the embodiment of the present application also provides a touch display screen, which includes a flat display area, a curved display area, and a circuit area connected in sequence, and the curved display area is curved in an arc shape.
  • the line area is located below the flat display area, wherein the touch display screen further includes a plurality of touch lines, and the signal input ends of the multiple touch lines are all located in the line area.
  • the central angle of the curved surface display area that is arc-shaped is not less than 90 degrees.
  • the range of the bending radius of the curved surface display area is 0.5-2 mm.
  • the line area includes a fan-out area and a binding area, the fan-out area is located between the binding area and the curved display area, and the signal input ends of the multiple touch lines are all located in the Binding area.
  • the fan-out area is curved in an arc in a direction approaching the flat display area, and the bending radius of the fan-out area is larger than the bending radius of the curved display area.
  • the range of the bending radius of the fan-out area is 3 to 5 millimeters.
  • the plurality of touch lines includes a first touch line and a second touch line that are cross-insulated, the first touch line extends in a first preset direction in the plane display area, and the second Two touch wires extend in a second predetermined direction in the flat display area, at least one end of the first touch wire is a signal input terminal, and at least one end of the second touch wire is a signal input terminal.
  • both ends of the first touch wire are signal input terminals, and one end of the second touch wire is signal input terminals.
  • the flat display area and the curved display area constitute the display area of the touch display screen
  • the touch display screen further includes a first wiring area and a second wiring area, the first wiring area and The second wiring area is oppositely arranged on both sides of the display area and connected to the circuit area.
  • the first touch line surrounds the display in the first wiring area and the second wiring area. The boundary of the area extends to the line area, and the second touch line extends to the line area in the display area.
  • an embodiment of the present application further provides a mobile terminal, the mobile terminal includes a touch screen, the touch screen includes a flat display area, a curved display area, and a line area connected in sequence, the The curved display area is curved in an arc shape, the circuit area is located below the flat display area, wherein the touch display screen further includes a plurality of touch lines, and the signal input ends of the multiple touch lines are all located at The line area.
  • the central angle of the curved surface display area that is arc-shaped is not less than 90 degrees.
  • the range of the bending radius of the curved surface display area is 0.5-2 mm.
  • the line area includes a fan-out area and a binding area, the fan-out area is located between the binding area and the curved display area, and the signal input ends of the multiple touch lines are all located in the Binding area.
  • the touch display screen provided by this application includes a flat display area, a curved display area, and a circuit area that are sequentially connected.
  • the curved display area is curved in an arc shape, and the circuit area is located on the flat display.
  • FIG. 1 is a schematic structural diagram of a touch display screen provided by an embodiment of the present application.
  • Fig. 2 is a schematic cross-sectional view taken along the line C-C' in Fig. 1;
  • FIG. 3 is a schematic diagram of the structure of the touch display screen when the curved display area in FIG. 1 is flattened;
  • Fig. 4 is a schematic cross-sectional view taken along the line D-D' in Fig. 3;
  • FIG. 5 is a schematic diagram of another structure of a touch display screen provided by an embodiment of the present application.
  • Fig. 6 is another schematic cross-sectional view taken along the line E-E' in Fig. 5;
  • FIG. 7 is a schematic diagram of the structure of the touch display screen when the curved display area in FIG. 5 is flattened.
  • the technical solution adopted in this application is to provide a touch-sensitive display screen to achieve a narrow frame and high screen-to-body ratio of the display screen.
  • FIG. 1 is a schematic structural diagram of a touch display screen provided by an embodiment of the present application
  • FIG. 2 is a schematic cross-sectional diagram taken along the line C-C' in FIG.
  • the touch screen 20 includes a flat display area A1, a curved display area A2, and a circuit area B1 that are sequentially connected.
  • the curved display area A2 is curved in an arc shape
  • the circuit area B1 is located in the flat display area.
  • the touch display screen 100 may further include a plurality of touch lines 21, and the signal input ends of the plurality of touch lines 21 are all located in the circuit area B1.
  • the corresponding touch display screen is shown in FIGS. 3 and 4, and one end 21A of the touch line 21 located in the circuit area is the signal input terminal.
  • the signal input terminal 21A is connected to the external driving circuit of the touch display screen, and is used to realize the touch function of the touch display screen.
  • the present application can move the line area B1 connected to the edge of the display area to the bottom of the display area by designing the edge of the display area, that is, the curved display area A2 into an arc-shaped curved structure. In this way, the visual width of the circuit area B1 existing on the display surface of the touch display screen 20 will be reduced.
  • the line area B1 is located directly below the flat display area A1, and when the arc-shaped curved surface displays the central angle ⁇ of the area A2 When it is less than 180 degrees, the line area B1 is located below the side of the flat display area A1. Specifically, when the central angle ⁇ of the curved curved display area A2 is not less than 90 degrees, the line area B1 is located directly below the display area formed by the curved display area A2 and the flat display area A1, that is, on the touch screen The line area is "invisible" on the display surface of 20 to achieve a borderless visual effect.
  • the line area B1 is located in the curved display area A2 and the plane
  • the display area A1 constitutes the lower side of the display area and has an included angle with the plane where the flat display area A1 is located, so as to achieve the visual effect of a narrow frame.
  • the bending radius of the curved display area A2 is also an important parameter for evaluating the degree of curvature of the curved display area A2, and the larger the curvature radius of the curved display area A2, the greater the degree of curvature.
  • the bending radius of the curved display area A2 should be appropriate, such as 0.5-2 mm, to prevent the pixel circuits and various layer structures located in the curved display area A2 from being damaged.
  • the circuit area B1 when the curved display area A2 can withstand a limited degree of bending, in addition to bending the curved display area A2, the circuit area B1 may also be bent to a certain degree.
  • the above-mentioned circuit area B1 may include a fan-out area B11 and a binding area B12, where the fan-out area B11 is located between the binding area B12 and the curved display area A2, and the fan-out area B11 is located between the binding area B12 and the curved display area A2.
  • the area B11 may be curved in an arc in a direction approaching the flat display area A1, and the signal input ends of the multiple touch lines 21 are all located in the binding area B12.
  • the above-mentioned binding area B12 may also be provided with a drive circuit interface (not shown in the figure) for connecting with an external drive circuit, wherein the multiple touch lines 21 located in the circuit area B1 are in the fan-out area B11
  • the insides are gathered in a fan shape, and the signal input ends of the gathered touch lines 21 are gathered and distributed near the position of the driving circuit interface.
  • the bending performance of the corresponding binding area B12 is poor, and the fan-out area B11 has better bending performance than the binding area B12. Therefore, in this embodiment, it is preferable to only perform better bending performance in the circuit area B1.
  • the fan-out area B11 is curved.
  • the bending radius of the fan-out area B11 may be set to be greater than the bending radius of the curved display area A2, so that the fan-out area B11 The bending degree of is smaller than the bending degree of the curved display area A2.
  • the bending radius of the curved display area A2 may range from 0.5 to 2 mm, and the bending radius of the fan-out area B11 may range from 3 to 5 mm.
  • the above-mentioned multiple touch lines 21 may include a first touch line 211 and a second touch line 212 that are cross-insulated, wherein the first touch line 211 extends along a first predetermined direction in the flat display area A1, and the second touch line 212 extends along a second predetermined direction in the flat display area A1.
  • the first touch line 211 extends along a second predetermined direction in the flat display area A1.
  • the second touch line 212 extends in the horizontal direction in the flat display area A1.
  • one of the above-mentioned first touch line 211 and second touch line 212 corresponds to a touch drive electrode, the other corresponds to a touch sensing electrode, and the first touch line 211 At least one end is a signal input end, and at least one end of the second touch line 212 is a signal input end.
  • the signal input ends of the first touch line 211 and the second touch line 212 are both located in the circuit area B1 to communicate with the outside world.
  • the drive circuit is electrically connected.
  • one end 211A of the first touch line 211 is a signal input end
  • the other end 211B is also a signal input end.
  • One end 212A of the second touch line 212 is a signal input end, and the other end 212B is not a signal input end.
  • the input terminal is located in the flat display area A1.
  • the above-mentioned flat display area A1 and curved display area A2 constitute the display area AA of the touch screen 20, and the touch screen 20 may also include a first routing area B2 and a second routing area B2.
  • the boundary around the display area AA in the second wiring area B33 extends to the circuit area B1, and the second touch line 212 extends to the circuit area B1 in the display area AA.
  • the first routing area B2 may be located on the upper edge side of the display area AA, corresponding to the upper border of the touch screen 20, and the second routing area B3 may be located on the lower edge side of the display area AA.
  • the above-mentioned circuit area B1 may be located at the left edge of the display area AA, corresponding to the left frame of the touch display screen 20, since one end 212B of the second touch line 212 extending in the horizontal direction is located In the display area AA, the other end 212A is the signal input terminal and is located in the circuit area B1, which corresponds to the absence of the right border of the touch screen 20.
  • the central angle of the display area A2 is not less than 90 degrees by setting the curved surface of the display area A2.
  • the left frame corresponding to the line area B1 can disappear visually, thereby achieving the effect of no frames on the left and right sides of the touch screen 20.
  • the first touch line 211 extending in the vertical direction surrounds the boundary of the display area AA
  • the width of the upper and lower borders formed is small and can be ignored. Therefore, the above-mentioned touch screen 20 can achieve the technical effect of no borders.
  • the touch screen in this embodiment includes a flat display area, a curved display area, and a circuit area that are sequentially connected.
  • the curved display area is curved in an arc shape, and the circuit area is located below the flat display area.
  • the touch display screen also includes a plurality of touch lines, and the signal input ends of the plurality of touch lines are all located in the circuit area. Therefore, by designing the edge of the display area as an arc-shaped curved structure, the edge of the display area is connected to the edge of the display area.
  • the line area is located below the display area, which can reduce the frame of the display screen, thereby increasing the screen-to-body ratio.
  • an embodiment of the present application also provides a mobile terminal, the mobile terminal includes the touch display screen in any of the above embodiments, wherein the touch display screen includes a flat display area, a curved display area, As well as the circuit area, the curved display area is curved in an arc, and the circuit area is located below the flat display area.
  • the touch screen also includes a plurality of touch lines, and the signal input ends of the multiple touch lines are all located in the circuit area.
  • the edge of the display area is designed as an arc-shaped curved structure, so that the line area connected to the edge of the display area is located below the display area, which can reduce the frame of the display screen. , Thereby increasing the screen-to-body ratio.

Abstract

本申请涉及一种触控显示屏和移动终端，该触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，曲面显示区域弯曲呈弧形，线路区域位于平面显示区域的下方，其中，触控显示屏还包括多条触控线，该多条触控线的信号输入端均位于线路区域。

Description

一种触控显示屏和移动终端
本申请要求于2019年9月17日提交中国专利局、申请号为201910877791.9、发明名称为“一种触控显示屏和移动终端”的这个专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，具体涉及一种触控显示屏和移动终端。
 背景技术
随着显示技术的高速发展，消费者越来越追求显示器的超薄化及超窄边框化。
但是，在现有的显示装置中，由于各种驱动模组和电路板需要与显示面板进行绑定连接，显示面板上需要预留出足够的非显示区域以进行线路绑定，导致显示面板的非显示区域始终较大，不利于显示装置窄边框化。
 技术问题
本申请提供了一种触控显示屏和移动终端，以实现显示屏的窄边框和高屏占比。
 技术解决方案
为了解决上述问题，本申请实施例提供了一种触控显示屏，该触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域，呈弧形的所述曲面显示区域的圆心角不小于90度，呈弧形的所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
其中，所述扇出区域向靠近所述平面显示区域的方向呈弧形弯曲，且所述扇出区域的弯曲半径大于所述曲面显示区域的弯曲半径。
其中，所述扇出区域的弯曲半径的范围为3~5毫米。
其中，所述多条触控线包括交叉绝缘设置的第一触控线和第二触控线，所述第一触控线在所述平面显示区域沿第一预设方向延伸，所述第二触控线在所述平面显示区域沿第二预设方向延伸，所述第一触控线的至少一端为信号输入端，所述第二触控线的至少一端为信号输入端。
其中，所述第一触控线的两端均为信号输入端，所述第二触控线的一端为信号输入端。
其中，所述平面显示区域和曲面显示区域构成所述触控显示屏的显示区域，所述触控显示屏还包括第一走线区域和第二走线区域，所述第一走线区域和第二走线区域相对设置于所述显示区域的两侧，且与所述线路区域连接，所述第一触控线在所述第一走线区域和第二走线区域中围绕所述显示区域的边界向所述线路区域延伸，所述第二触控线在所述显示区域内向所述线路区域延伸。
为了解决上述问题，本申请实施例还提供了一种触控显示屏，该触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域。
其中，呈弧形的所述曲面显示区域的圆心角不小于90度。
其中，所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
其中，所述扇出区域向靠近所述平面显示区域的方向呈弧形弯曲，且所述扇出区域的弯曲半径大于所述曲面显示区域的弯曲半径。
其中，所述扇出区域的弯曲半径的范围为3~5毫米。
其中，所述多条触控线包括交叉绝缘设置的第一触控线和第二触控线，所述第一触控线在所述平面显示区域沿第一预设方向延伸，所述第二触控线在所述平面显示区域沿第二预设方向延伸，所述第一触控线的至少一端为信号输入端，所述第二触控线的至少一端为信号输入端。
其中，所述第一触控线的两端均为信号输入端，所述第二触控线的一端为信号输入端。
其中，所述平面显示区域和曲面显示区域构成所述触控显示屏的显示区域，所述触控显示屏还包括第一走线区域和第二走线区域，所述第一走线区域和第二走线区域相对设置于所述显示区域的两侧，且与所述线路区域连接，所述第一触控线在所述第一走线区域和第二走线区域中围绕所述显示区域的边界向所述线路区域延伸，所述第二触控线在所述显示区域内向所述线路区域延伸。
为了解决上述问题，本申请实施例还提供了一种移动终端，该移动终端包括触控显示屏，所述触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域。
其中，呈弧形的所述曲面显示区域的圆心角不小于90度。
其中，所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
 有益效果
本申请的有益效果是：区别于现有技术，本申请提供的触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，曲面显示区域弯曲呈弧形，线路区域位于平面显示区域的下方，其中，触控显示屏还包括多条触控线，该多条触控线的信号输入端均位于线路区域，从而，通过将显示区域边缘设计为弧形弯曲结构，以使与该显示区域边缘连接的线路区域位于显示区域的下方，能够减小显示屏的边框，进而提高屏占比。
 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是本申请实施例提供的触控显示屏的结构示意图；
图2是沿图1中的线C-C’截取的截面示意图；
图3是图1中的曲面显示区域展平时触控显示屏的结构示意图；
图4是沿图3中的线D-D’截取的截面示意图；
图5是本申请实施例提供的触控显示屏的另一结构示意图；
图6是沿图5中的线E-E’截取的另一截面示意图；
图7是图5中的曲面显示区域展平时触控显示屏的结构示意图。
 本发明的实施方式
下面结合附图和实施例，对本申请作进一步的详细描述。特别指出的是，以下实施例仅用于说明本申请，但不对本申请的范围进行限定。同样的，以下实施例仅为本申请的部分实施例而非全部实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
目前，由于各种驱动模组和电路板需要与显示面板进行绑定连接，显示面板上需要预留出足够的非显示区域以进行线路绑定，导致显示面板的非显示区域始终较大，不利于显示装置窄边框化。为了解决上述技术问题，本申请采用的技术方案是提供一种触控显示屏，以实现显示屏的窄边框和高屏占比。
请参阅图1和图2，图1是本申请实施例提供的触控显示屏的结构示意图，图2是沿图1中的线C-C’截取的截面示意图。如图1和图2所示，触控显示屏20包括依次连接的平面显示区域A1、曲面显示区域A2、以及线路区域B1，其中，曲面显示区域A2弯曲呈弧形，线路区域B1位于平面显示区域A1的下方，具体地，触控显示屏100还可以包括多条触控线21，且该多条触控线21的信号输入端均位于线路区域B1。
在本实施例中，若将曲面显示区域A2展平，则对应的触控显示屏如图3和图4所示，触控线21位于线路区域的一端21A为信号输入端，具体使用时，该信号输入端21A与触控显示屏的外界驱动电路连接，用于实现触控显示屏的触控功能。并且，比较图1和图3可知，本申请通过将显示区域的边缘，也即曲面显示区域A2设计为弧形弯曲结构，能够将与显示区域边缘连接的线路区域B1移至显示区域的下方，如此，在触控显示屏20的显示面上存在的线路区域B1的视觉宽度将会减小。
请继续参阅图2，当呈弧形的曲面显示区域A2的圆心角α不小于 180度时，线路区域B1位于平面显示区域A1的正下方，当呈弧形的曲面显示区域A2的圆心角α小于180度时，线路区域B1位于平面显示区域A1的侧下方。具体地，当呈弧形的曲面显示区域A2的圆心角α不小于90度时，线路区域B1位于曲面显示区域A2和平面显示区域A1构成的显示区域的正下方，也即在触控显示屏20的显示面上将“看不到”线路区域，以实现无边框的视觉效果，当呈弧形的曲面显示区域A2的圆心角α小于90度时，线路区域B1位于曲面显示区域A2和平面显示区域A1构成的显示区域的侧下方，且与平面显示区域A1所在平面具有一夹角，以实现窄边框的视觉效果。
进一步地，除上述曲面显示区域A2的圆心角α外，曲面显示区域A2的弯曲半径也是评估曲面显示区域A2弯曲程度的重要参数，且曲面显示区域A2的弯曲半径越大对应弯曲程度越大，在本实施例中，曲面显示区域A2的弯曲半径应该适当，比如为0.5~2毫米，以避免位于曲面显示区域A2内的像素电路以及各种层结构被破坏。
在一个具体实施例中，当曲面显示区域A2所能承受的弯曲程度有限时，除了对曲面显示区域A2进行弯曲外，还可以对线路区域B1进行一定程度的弯曲。具体地，如图5至图7所示，上述线路区域B1可以包括扇出区域B11和绑定区域B12，其中，扇出区域B11位于绑定区域B12和曲面显示区域A2之间，且扇出区域B11可以向靠近平面显示区域A1的方向呈弧形弯曲，上述多条触控线21的信号输入端均位于绑定区域B12。
具体地，上述绑定区域B12内还可以设有用于与外界驱动电路连接的驱动电路接口（图中未示出），其中，位于线路区域B1内的多条触控线21在扇出区域B11内呈扇形聚拢，且聚拢后的多条触控线21的信号输入端聚集分布在驱动电路接口的位置附近。如此，对应绑定区域B12的弯曲性能较差，且扇出区域B11比绑定区域B12具有更好的弯曲性能，因此，在本实施例中，优选仅对线路区域B1中弯曲性能较好的扇出区域B11进行弯曲。
在一些具体实施例中，考虑到扇出区域B11的弯曲性能不如上述曲面显示区域A2的弯曲性能，可以设置扇出区域B11的弯曲半径大于曲面显示区域A2的弯曲半径，以使扇出区域B11的弯曲程度小于曲面显示区域A2的弯曲程度，比如，曲面显示区域A2的弯曲半径的范围可以为0.5~2毫米，扇出区域B11的弯曲半径的范围可以为3~5毫米。
在一个具体实施例中，如图5和图7所示，上述多条触控线21可以包括交叉绝缘设置的第一触控线211和第二触控线212，其中，第一触控线211在平面显示区域A1内沿第一预设方向延伸，第二触控线212在平面显示区域A1内沿第二预设方向延伸，譬如，第一触控线211在平面显示区域A1内沿竖直方向延伸，第二触控线212在平面显示区域A1内沿水平方向延伸。
其中，在实际使用时，上述第一触控线211和第二触控线212中的一个对应为触控驱动电极，另一个则对应为触控感应电极，并且，第一触控线211的至少一端为信号输入端，第二触控线212的至少一端为信号输入端，具体地，第一触控线211和第二触控线212的信号输入端均位于线路区域B1，以与外界的驱动电路电连接。例如，如图7所示，第一触控线211的一端211A为信号输入端，另一端211B也为信号输入端，第二触控线212的一端212A为信号输入端，另一端212B不是信号输入端，且位于平面显示区域A1。
具体地，请继续参阅图7，上述平面显示区域A1和曲面显示区域A2构成触控显示屏20的显示区域AA，且该触控显示屏20还可以包括第一走线区域B2和第二走线区域B3，其中，第一走线区域B2和第二走线区域B3相对设置于显示区域AA的两侧，且与线路区域B1连接，第一触控线211在第一走线区域B2和第二走线区域B33中围绕显示区域AA的边界向线路区域B1延伸，第二触控线212在显示区域AA内向线路区域B1延伸。
具体举例而言，上述第一走线区域B2可以位于显示区域AA的上边缘侧，对应为触控显示屏20的上边框，上述第二走线区域B3可以位于显示区域AA的下边缘侧，对应为触控显示屏20的下边框，上述线路区域B1可以位于显示区域AA的左边缘，对应为触控显示屏20的左边框，由于水平方向延伸的第二触控线212的一端212B位于显示区域AA，另一端212A为信号输入端，且位于线路区域B1，对应该触控显示屏20不存在右边框，进一步地，通过设置呈弧形的曲面显示区域A2的圆心角不小于90度，能够线路区域B1对应的左边框在视觉上消失，进而实现触控显示屏20左右两侧无边框的效果，更进一步地，由于竖直方向延伸的第一触控线211围绕显示区域AA边界而形成的上下边框的宽度较小，可以忽略不计，因此，上述触控显示屏20能够实现无边框的技术效果。
区别于现有技术，本实施例中的触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，曲面显示区域呈弧形弯曲，线路区域位于平面显示区域的下方，其中，触控显示屏还包括多条触控线，该多条触控线的信号输入端均位于线路区域，从而，通过将显示区域边缘设计为弧形弯曲结构，以使与该显示区域边缘连接的线路区域位于显示区域的下方，能够减小显示屏的边框，进而提高屏占比。
进一步地，本申请实施例还提供了一种移动终端，该移动终端包括上述任一实施例中的触控显示屏，其中，该触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，曲面显示区域呈弧形弯曲，线路区域位于平面显示区域的下方，触控显示屏还包括多条触控线，该多条触控线的信号输入端均位于线路区域。
区别于现有技术，本实施例中的移动终端，通过将显示区域边缘设计为弧形弯曲结构，以使与该显示区域边缘连接的线路区域位于显示区域的下方，能够减小显示屏的边框，进而提高屏占比。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (20)

  1. 一种触控显示屏，其中，所述触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域，呈弧形的所述曲面显示区域的圆心角不小于90度，呈弧形的所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
  2. 根据权利要求1所述的触控显示屏，其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
  3. 根据权利要求2所述的触控显示屏，其中，所述扇出区域向靠近所述平面显示区域的方向弯曲呈弧形，且所述扇出区域的弯曲半径大于所述曲面显示区域的弯曲半径。
  4. 根据权利要求2所述的触控显示屏，其中，所述扇出区域的弯曲半径的范围为3~5毫米。
  5. 根据权利要求1所述的触控显示屏，其中，所述多条触控线包括交叉绝缘设置的第一触控线和第二触控线，所述第一触控线在所述平面显示区域沿第一预设方向延伸，所述第二触控线在所述平面显示区域沿第二预设方向延伸，所述第一触控线的至少一端为信号输入端，所述第二触控线的至少一端为信号输入端。
  6. 根据权利要求5所述的触控显示屏，其中，所述第一触控线的两端均为信号输入端，所述第二触控线的一端为信号输入端。
  7. 根据权利要求6所述的触控显示屏，其中，所述平面显示区域和曲面显示区域构成所述触控显示屏的显示区域，所述触控显示屏还包括第一走线区域和第二走线区域，所述第一走线区域和第二走线区域相对设置于所述显示区域的两侧，且与所述线路区域连接，所述第一触控线在所述第一走线区域和第二走线区域中围绕所述显示区域的边界向所述线路区域延伸，所述第二触控线在所述显示区域内向所述线路区域延伸。
  8. 一种触控显示屏，其中，所述触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域。
  9. 根据权利要求8所述的触控显示屏，其中，呈弧形的所述曲面显示区域的圆心角不小于90度。
  10. 根据权利要求8所述的触控显示屏，其中，所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
  11. 根据权利要求8所述的触控显示屏，其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
  12. 根据权利要求11所述的触控显示屏，其中，所述扇出区域向靠近所述平面显示区域的方向弯曲呈弧形，且所述扇出区域的弯曲半径大于所述曲面显示区域的弯曲半径。
  13. 根据权利要求11所述的触控显示屏，其中，所述扇出区域的弯曲半径的范围为3~5毫米。
  14. 根据权利要求8所述的触控显示屏，其中，所述多条触控线包括交叉绝缘设置的第一触控线和第二触控线，所述第一触控线在所述平面显示区域沿第一预设方向延伸，所述第二触控线在所述平面显示区域沿第二预设方向延伸，所述第一触控线的至少一端为信号输入端，所述第二触控线的至少一端为信号输入端。
  15. 根据权利要求14所述的触控显示屏，其中，所述第一触控线的两端均为信号输入端，所述第二触控线的一端为信号输入端。
  16. 根据权利要求15所述的触控显示屏，其中，所述平面显示区域和曲面显示区域构成所述触控显示屏的显示区域，所述触控显示屏还包括第一走线区域和第二走线区域，所述第一走线区域和第二走线区域相对设置于所述显示区域的两侧，且与所述线路区域连接，所述第一触控线在所述第一走线区域和第二走线区域中围绕所述显示区域的边界向所述线路区域延伸，所述第二触控线在所述显示区域内向所述线路区域延伸。
  17. 一种移动终端，其包括触控显示屏，所述触控显示屏包括依次连接的平面显示区域、曲面显示区域、以及线路区域，所述曲面显示区域弯曲呈弧形，所述线路区域位于所述平面显示区域的下方，其中，所述触控显示屏还包括多条触控线，所述多条触控线的信号输入端均位于所述线路区域。
  18. 根据权利要求17所述的移动终端，其中，呈弧形的所述曲面显示区域的圆心角不小于90度。
  19. 根据权利要求17所述的移动终端，其中，所述曲面显示区域的弯曲半径的范围为0.5~2毫米。
  20. 根据权利要求17所述的移动终端，其中，所述线路区域包括扇出区域和绑定区域，所述扇出区域位于所述绑定区域和所述曲面显示区域之间，所述多条触控线的信号输入端均位于所述绑定区域。
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