WO2018232609A1 - 柔性显示屏和显示装置 - Google Patents

柔性显示屏和显示装置 Download PDF

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Publication number
WO2018232609A1
WO2018232609A1 PCT/CN2017/089235 CN2017089235W WO2018232609A1 WO 2018232609 A1 WO2018232609 A1 WO 2018232609A1 CN 2017089235 W CN2017089235 W CN 2017089235W WO 2018232609 A1 WO2018232609 A1 WO 2018232609A1
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WO
WIPO (PCT)
Prior art keywords
display screen
bending axis
flexible display
display area
axis
Prior art date
Application number
PCT/CN2017/089235
Other languages
English (en)
French (fr)
Inventor
杨松龄
朱剑磊
熊娜娜
邹翔
Original Assignee
深圳市柔宇科技有限公司
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 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2017/089235 priority Critical patent/WO2018232609A1/zh
Priority to CN201780053960.6A priority patent/CN109791744B/zh
Publication of WO2018232609A1 publication Critical patent/WO2018232609A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a flexible display screen and a display device.
  • the flexible display screen includes a display area and a lead area connecting the display areas, and the lead area can be connected to components such as chips to drive the display area to work. Therefore, how to avoid the interference of the display area with the components such as the connecting chip during the bending becomes a technical problem to be solved.
  • the present invention aims to at least solve one of the technical problems existing in the related art. To this end, the present invention provides a flexible display screen and a display device.
  • a flexible display screen includes a display area, a lead area, and a driving chip.
  • the display area is provided with a through hole, and the display area includes a plurality of display circuits.
  • the display area defines a first bending axis and a second bending axis each crossing the through hole and intersecting at a through hole position, the flexible display screen being capable of along the first bending axis and the The second bending axis is bent.
  • the lead region is provided with a plurality of leads electrically connected to the plurality of display circuits of the display area.
  • the driver chip electrically connects the leads.
  • the driving chip is disposed outside the first bending axis and the second bending axis.
  • a display device includes the flexible display panel described in the above embodiment.
  • the flexible display screen since the driving chip is disposed outside the first bending axis and the second bending axis, the flexible display screen is prevented from interfering with the driving chip during bending, thereby avoiding the driving chip. Damaged during flexing of the flexible display.
  • FIG. 1 is a schematic structural view of a flexible display screen according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of a flexible display screen according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a flexible display screen according to a third embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a flexible display screen according to a fourth embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a flexible display screen according to a fifth embodiment of the present invention.
  • FIG. 6 is a side view showing a bent portion of a flexible display panel according to an embodiment of the present invention.
  • FIG. 7 is a schematic view of a flexible display screen after being bent according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a flexible display screen according to a sixth embodiment of the present invention.
  • FIG. 9 is a schematic plan view of a display device according to an embodiment of the present invention.
  • Fig. 10 is an enlarged schematic view showing a portion X of the display device of Fig. 9.
  • Display area 10 through hole 11, first bending axis 12, second bending axis 13, display circuit 14, first edge 15, second edge 16, display surface 17, back surface 18;
  • Lead area 20 lead 21, bent portion 22;
  • the display device 200 the housing 210, the first axis of rotation 211, the second axis of rotation 212, the sub-housing 213, the second rotating member 214, and the center line 2141 of the second rotating member 214.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature is “below” and “below” the second feature And “below” includes the first feature directly below and below the second feature, or merely indicating that the first feature level is less than the second feature.
  • a flexible display screen 100 of an embodiment of the present invention includes a display area 10, a lead area 20, and a driving chip 30.
  • the display area 10 is provided with a through hole 11 defined by a first bending axis 12 and a second bending axis 13.
  • the first bending axis 12 and the second bending axis 13 both span the through hole 11 and intersect the through hole 11; the flexible display screen 100 can be bent along the first bending axis 12 and the second bending axis 13. In this way, the first bending axis 12 and the second bending axis 13 can divide the display area 10 into four regions, which can fold the flexible display screen 100 into a smaller size and reduce the space occupied by the flexible display screen 100. .
  • the lead region 20 is provided with a plurality of leads 21 which are connected to the display region 10.
  • the driving chip 30 is electrically connected to the lead wires 21.
  • the driving chip 30 is disposed outside the first bending axis 12 and the second bending axis 13.
  • the flexible display screen 100 since the driving chip 30 is disposed outside the first bending axis 12 and the second bending axis 13, the flexible display screen 100 is prevented from interfering with the driving chip 30 during bending, thereby avoiding driving. The chip 30 is damaged during the bending of the flexible display screen 100.
  • the display area 10 can display contents such as characters and images. Since the display area 10 is provided with the through holes 11, the display content of the display area 10 is separated at the through holes 11.
  • the through hole 11 can be used to mount an operating element or the like to control the operational state of the flexible display screen 100.
  • the operating element is a button that can control the flexible display 100 to open or close.
  • the operation is installed in the through hole 11. As a component.
  • the operating elements in the through hole 11 can be detached so that the flexible display screen 100 can be bent.
  • the flexible display screen 100 may first bend along the first bending axis 12 and then perform a second bending along the second bending axis 13 so that the flexible display screen 100 can achieve four folds to reduce the flexible display.
  • the occupied space of the screen 100 facilitates the storage of the flexible display screen 100.
  • the flexible display screen 100 can also be bent only along the first bending axis 12 or along the second bending axis 13.
  • the through hole 11 is a circular through hole.
  • the through holes 11 may be through holes of other shapes such as a square, a rectangle, a hexagon, a sector, or the like.
  • the through hole 11 is located at a central position of the display area 10.
  • the through holes 11 are located at the intersection of the diagonal lines of the display area 10.
  • the display circuit 14 is formed with, for example, display pixels. When the display circuit 14 is in operation, the display pixels can cause the display area 10 to display content. As shown in FIG. 1, the dotted line with arrows in FIG. 1 represents the display circuit 14 in the display area 10, wherein the direction indicated by the arrow of the dotted line can represent the direction of transmission of the signal. Each display circuit 14 is electrically connected to the lead 10.
  • the lead 21 can be connected to an external component to allow the display area 10 to function properly.
  • the lead 21 is connected to an external power source, and the external power source can supply power to the display area 10.
  • the lead region 20 has flexibility, which can be bent.
  • the driving chip 30 is, for example, a source driver chip 30.
  • the driving chip 30 can provide a source signal for the display area 10 to drive the display area 10 to display text, images and the like.
  • the first bending axis 12 and the second bending axis 13 intersect, it being understood that the first bending axis 12 and the second bending axis 13 intersect in the same plane, or the first bending axis 12 and the second folding axis
  • the bending axis 13 is three-dimensionally intersected.
  • display area 10 includes a first edge 15 and a second edge 16.
  • the second edge 16 is vertically connected to the first edge 15.
  • the first bending axis 12 intersects the first edge 15, the second bending axis 13 intersects the second edge 16, and the lead 21 is at the position of the first edge 15 and the display circuit 14 electrical connections.
  • the display area 10 has a rectangular shape, and the rectangular display area 10 is easy to manufacture and conforms to the habit of the user viewing the display information using the flexible display 100, thereby improving the user experience.
  • the display area 10 has a rectangular shape, the first edge 15 is a short edge of the display area 10, and the second edge 16 is a long edge of the display area 10.
  • the display area 10 can be square, and the length of the first edge 15 is equal to the length of the second edge 16.
  • display area 10 includes two first edges 15 that are parallel to each other.
  • the leads 21 on the lead regions 20 are electrically connected to the display circuit 40 at the position of each of the first edges 15, and the leads 21 of each of the lead regions 20 are connected to at least one of the driving chips 30.
  • the display area 10 includes at least two sub-display areas 19, each of which drives a sub-display area 19 to operate independently, and all of the drive chips 30 cooperate to drive the display area 10 to operate.
  • the lead 21 on the lead area 20 at the position of the upper first edge 15 is connected to a driving chip 30, and the lead 21 on the lead area 20 at the position of the lower first edge 15 is also connected with a driving. Chip 30.
  • the upper drive chip 30 is located on the left outer side of the first bending axis 12, and the lower drive chip 30 is located on the right outer side of the first bending axis 12.
  • the number and location of the upper driver chips 30 and the number and location of the lower driver chips 30 can have a variety of different implementations.
  • the upper single driving chip 30 and the lower single driving chip 30 may be located at the left outer side or the right outer side of the first bending axis 12 at the same time; for example, the upper single driving chip 30 is located at the right outer side of the first bending axis 12
  • the lower single driving chip 30 is located on the left outer side of the first bending axis 12; for example, the lead 21 of the upper first edge 15 is connected with two driving chips 30, and the lead 21 of the lower first edge 15 is connected with one.
  • the driving chip 30 has two upper driving chips 30 respectively located on both outer sides of the first bending axis 12, and the lower driving chip 30 is located on the left outer side or the right outer side of the first bending axis 12.
  • the upper driving chip 30 can drive the left sub-display area 19 (such as the A area) of the display area 10, and the lower driving chip 30 can drive the right sub display of the display area 10.
  • the area 19 e.g., the B area
  • the upper driving chip 30 can drive the upper half sub-display area 19 (such as the C area) of the display area 10, and the lower driving chip 30 can drive the lower half sub-display area 19 of the display area 10.
  • the D area is operated so that all of the sub display areas 19 of the display area 10 can be all operated to display contents.
  • each of the driving chips 30 can respectively drive different sub-display areas of the display area 10 to operate.
  • the first bending axis 12 and the second bending axis 13 may divide the display area 10 into four sub-display areas, which are an upper left sub-display area, an upper right sub-display area, a lower left sub-display area, and a lower right sub-display area.
  • one of the driving chips 30 located above can drive the upper left sub-display area of the display area 10
  • the other driving chip 30 located above can The upper right sub display area of the drive display area 10 operates.
  • One of the driving chips 30 located below can drive the lower left sub-display area of the display area 10
  • the other driving chip 30 located below can drive the lower right sub-display area of the display area 10 to operate.
  • At least one of the at least two sub-display areas 19 of the display area 11 displays 19 areas that define the through holes 11.
  • the sub-display area 19 is two, and the two sub-display areas 19 enclose a through hole 11.
  • the A area and the B area enclose the through hole 11 or the C area and the D area to form the through hole 11.
  • the sub-display area 19 of the display area 10 is three, which are an E area, an F area, and a G area, respectively. Among them, the F region and the G region are surrounded by the through holes 11.
  • the lead 21 is connected to only one of the drive chips 30, and the display circuit 14 is disposed at the position of the through hole 11 to surround the through hole 11, and the drive chip 30 drives all of the display circuits 14 of the display screen 100.
  • a lead 21 at a location of a first edge 15 is coupled to a single driver chip 30, and a single driver chip 30 drives the entire display area 10 to operate. Since the through hole 11 cannot provide the circuit 14, a portion of the display circuit 14 is disposed around the through hole 11, and the drive chip 30 drives all of the display circuit 14 to operate to cause the display area 10 to operate.
  • the display circuit 14 around the through hole 11 surrounds the through hole 11 in a curved or broken line manner, so that the area around the through hole 11 can also display contents.
  • the number of parts of the flexible display screen 100 can be reduced, thereby reducing the cost of the flexible display screen 100.
  • the lead 21 connects two of the driving chips 30, and the display circuit 14 is disposed at a position of the through hole 11 to surround the through hole 11, and each of the driving chips 30 is located at one side of the first bending axis 12 and The display circuits 14 on the side of the first bending axis 12 are each driven.
  • the lead 21 includes two bent portions 22 in a folded shape, and the bent portion 22 has a tapered shape along a direction R in which the bent portion 22 is bent.
  • Each of the bends 22 is connected to a single drive chip 30, and the first bend axis 12 is located between the two bends 22.
  • the bent portion 22 can reduce the frame of the flexible display screen 100, and the bent portion 22 has a tapered shape such that the flexible display screen 100 can be bent along the first bending axis 12, thereby The flexible display screen 100 can simultaneously accommodate both narrow bezel display and bendability.
  • the display area 10 includes a display surface 17 and a back surface 18.
  • the display surface 17 and the back surface 18 are arranged opposite each other.
  • the display surface 17 is for displaying information such as text and images.
  • a one-piece display when manufacturing the flexible display 100, a one-piece display can be first cut The display region 10 and the lead region 20 are formed, and the bent portion 22 is tapered in a direction away from the first edge 15 of the display region 10 when tiling, and then the gathered lead 21 is formed on the lead region 20, and finally the tape is formed.
  • the bent portion 22 of the lead 21 is bent to the back surface 18 of the display area 10, so that the ratio of the area of the display area 10 to the front outline area of the flexible display screen 100 can be made large, so that the flexible display screen 100 has a narrow bezel display.
  • display area 10 includes two second edges 16 that are parallel to one another, with each second edge 16 being coupled to a first gate drive circuit 40.
  • the first gate driving circuit 40 can provide a gate signal (Gate Signal) to the display area 10 to drive the display area 10 to display content.
  • the first gate driving circuit 40 can drive the display area 10 to work in conjunction with the driving chip 30. It should be noted that the first gate driving circuit 40 has a certain flexibility, and therefore, when the flexible display screen 100 is bent, the first gate driving circuit 40 can also be bent without being damaged.
  • each of the second edges 16 is connected to a second gate driving circuit 50, and the second gate driving circuit 50 and the first gate driving circuit 40 are respectively used to provide different driving signals.
  • the second gate driving circuit 50 cooperates with the first gate driving circuit 40 to meet the requirements of the display area 10 for different driving signals at the same time, and the applicability of the flexible display screen 100 can be improved, so that the flexible display screen 100 has a wide range of applications. prospect.
  • the driver chip 30 is disposed on the lead region 20 and connected to the leads 21.
  • the driver chip 30 is directly disposed on the lead region 20, making the structure of the flexible display screen 100 simpler.
  • the driving chip 30 may be disposed on the lead region 20 by a COG (Chip On Glass) technology, such that the lead region 20 of the driving chip 30 may be bent to the back surface 18 of the display region 10, so that the flexible display 100 is improved. Screen ratio.
  • the driver chip 30 is disposed on the flexible circuit board 60, and the driver chip 30 is connected to the leads 21 through the flexible circuit board 60, as shown in FIG.
  • the driving chip 30 can be disposed on the flexible circuit board by COF (Chip On Flex) technology.
  • the flexible circuit board 60 can be coupled to an external power source to power the display area 10.
  • the first bending axis 12 is perpendicular to the second bending axis 13 .
  • the space occupied by the flexible display screen 100 after being bent along the first bending axis 12 and the second bending axis 13 is small, which facilitates storage and transportation of the flexible display screen 100.
  • the first bending axis 12 is perpendicularly disposed with the first edge 15 and the second bending axis 13 is perpendicular to the second edge 16 , so that the layout of the driving chip 30 can be made simpler to reduce the flexible display.
  • the manufacturing difficulty of 100 is the manufacturing difficulty of 100.
  • the display area 10 includes an OLED (Organic Light-Emitting Diode).
  • OLED Organic Light-Emitting Diode
  • the OLED has the advantages of low power consumption, low manufacturing cost, self-luminescence, and the like, so that the cost of the flexible display screen 100 can be reduced.
  • a display device 200 includes the flexible display screen 100 of any of the above embodiments.
  • the flexible display screen 100 is prevented from interfering with the driving chip 30 during bending, thereby avoiding the flexible display. 100 is damaged during the bending process.
  • the display device 200 is, for example, an electronic device such as a television, a mobile phone, or a tablet computer having the above flexible display screen 100.
  • display device 200 includes a housing 210 that surrounds flexible display 100, and housing 210 is formed with a first axis of rotation 211 and a second axis of rotation 212, a first axis of rotation 211 and a first axis of curvature 12
  • the second axis of rotation 212 coincides with the second bending axis 13
  • the housing 210 can rotate about the first axis of rotation 211 when the flexible display screen 100 is bent along the first bending axis 12 , and can be on the flexible display screen 100 .
  • Rotating along the second axis of rotation 212 as it is bent along the second bending axis 13 is rotate along the first axis of rotation 212 as it is bent along the second bending axis 13 .
  • the housing 210 can reduce the impact of the flexible display screen 100 to protect the flexible display screen 100.
  • the housing 210 can be rotated when the flexible display screen 100 is bent, and the housing can be avoided. 210 damaged.
  • the housing 210 includes at least four sub-housings 213 that are sequentially connected, and the sub-housings 213 on both sides of the first rotational axis 211 pass the first
  • the rotating members (not shown) are rotatably coupled together, the center line of the first rotating member coincides with the first rotating axis 211, and the sub-housings 213 on both sides of the second rotating axis 212 are rotatably connected by the second rotating member 214. Together, the centerline 2141 of the second rotating member 214 coincides with the second axis of rotation 212.
  • the first rotating member and the second rotating member 214 can rotatably connect all of the sub-housings 213 of the display screen 100.
  • the sub-housing 213 is four, and is a first sub-housing 213A, a second sub-housing 213B, a third sub-housing 213C, and a fourth sub-housing 213D.
  • the center line 2141 of the second rotating member 214 coincides with the second rotational axis 212 so that the upper and lower sub-housings 213 can surround the second rotating member 214.
  • the connection structure of the two sub-housings 213 can refer to the connection structure of the upper and lower sub-housings 213. Therefore, it can be understood that when the two sub-housings 213 are connected, the center line of the first rotating member coincides with the first rotating axis 211 so that the two left and right sub-housings 213 can be relatively rotated about the first rotating member.

Abstract

一种柔性显示屏(100)及显示装置(200)，柔性显示屏(100)包括显示区(10)、引线区(20)和驱动芯片(30)。显示区(10)开设有通孔(11)，显示区(10)定义有均跨过通孔(11)且相交于通孔(11)位置处的第一折弯轴线(12)和第二折弯轴线(13)。显示区(10)能够同时地沿第一折弯轴线(12)和第二折弯轴线(13)折弯。显示区(10)包括多个显示电路(14)。引线区(20)设置有多条引线(21)，引线(21)电连接显示区(10)的多个显示电路(14)。驱动芯片(30)电连接引线(21)。驱动芯片(30)设置于第一折弯轴线(12)和第二折弯轴线(13)之外。

Description

柔性显示屏和显示装置 技术领域
本发明涉及显示技术领域，尤其涉及一种柔性显示屏和显示装置。
背景技术
目前，柔性显示屏由于具备自发光、可折弯挠等优点，因此具有非常好的发展前景。柔性显示屏包括显示区和连接显示区的引线区，引线区可以连接芯片等元器件以驱动显示区工作。因此，如何避免显示区在折弯的时候与连接芯片等元器件发生干涉成为待解决的技术问题。
发明内容
本发明旨在至少解决相关技术中存在的技术问题之一。为此，本发明提供一种柔性显示屏和一种显示装置。
本发明实施方式的柔性显示屏包括显示区、引线区和驱动芯片。所述显示区开设有通孔，所述显示区包括多个显示电路。所述显示区定义有均跨过所述通孔且在通孔位置处相交的第一折弯轴线和第二折弯轴线，所述柔性显示屏能够沿所述第一折弯轴线和所述第二折弯轴线折弯。引线区设置有多条引线，所述引线电连接显示区的多个显示电路。驱动芯片电连接引线。所述驱动芯片设置于所述第一折弯轴线和所述第二折弯轴线之外。
本发明实施方式的显示装置包括以上实施方式所述的柔性显示屏。
上述柔性显示屏及显示装置中，由于驱动芯片设置于第一折弯轴线和所述第二折弯轴之外，避免了柔性显示屏在折弯的时候与驱动芯片发生干涉，从而避免驱动芯片在柔性显示屏折弯的过程中损坏。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明第一实施方式的柔性显示屏的结构示意图；
图2是本发明第二实施方式的柔性显示屏的结构示意图；
图3是本发明第三实施方式的柔性显示屏的结构示意图；
图4是本发明第四实施方式的柔性显示屏的结构示意图；
图5是本发明第五实施方式的柔性显示屏的结构示意图；
图6是本发明一实施方式的柔性显示屏的引线区折弯后的侧面示意图；
图7是本发明一实施方式的柔性显示屏的折弯后的示意图；
图8是本发明第六实施方式的柔性显示屏的结构示意图；
图9是本发明一实施方式的显示装置的平面示意图；
图10是图9的显示装置的X部分的放大示意图。
主要元件符号说明：
柔性显示屏100；
显示区10、通孔11、第一折弯轴线12、第二折弯轴线13、显示电路14、第一边缘15、第二边缘16、显示面17、背面18；
引线区20、引线21、折弯部22；
驱动芯片30；
第一栅极驱动电路40；
第二栅极驱动电路50；
柔性电路板60；
显示装置200、壳体210、第一转动轴线211、第二转动轴线212、子壳体213、第二转动件214，第二转动件214的中心线2141。
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方” 和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1，本发明实施方式的柔性显示屏100包括显示区10、引线区20和驱动芯片30。
显示区10开设有通孔11，显示区10定义有第一折弯轴线12和第二折弯轴线13。第一折弯轴线12和第二折弯轴线13均跨过通孔11且相交于该通孔11；柔性显示屏100能够沿第一折弯轴线12和第二折弯轴线13折弯。如此，该第一折弯轴线12和第二折弯轴线13可将该显示区10划分为四个区域，可将柔性显示屏100折成更小的尺寸，减少柔性显示屏100所占用的空间。
引线区20设置有多条引线21，引线21连接显示区10。驱动芯片30电连接引线21。驱动芯片30设置于第一折弯轴线12和第二折弯轴线13之外。
上述柔性显示屏100中，由于驱动芯片30设置于第一折弯轴线12和第二折弯轴线13之外，避免了柔性显示屏100在折弯的时候与驱动芯片30发生干涉，从而避免驱动芯片30在柔性显示屏100折弯的过程中损坏。
具体地，显示区10可以显示文字及图像等内容，由于显示区10开设有通孔11，显示区10的显示内容在通孔11处被隔开。通孔11可用于安装操作元件等以控制柔性显示屏100的工作状态。例如，操作元件为按钮，按钮可以控制柔性显示屏100开启或关闭。当柔性显示屏100使用时，在通孔11中安装操 作元件。当柔性显示屏100不使用时，可将通孔11中的操作元件拆卸下来，以使柔性显示屏100可以折弯。柔性显示屏100可以先沿第一折弯轴线12进行第一次折弯，然后沿第二折弯轴线13进行第二折弯，从而使得柔性显示屏100可以实现四折，以减小柔性显示屏100的占用空间，从而方便柔性显示屏100存放。当然，柔性显示屏100也可只沿第一折弯轴线12进行折弯，或沿第二折弯轴线13进行折弯。
本实施方式中，通孔11为圆形通孔。在其他实施方式中，通孔11可以为正方形、长方形、六边形、扇形等其他形状的通孔。
较佳地，通孔11位于显示区10的中心位置。例如，当显示区10的外形为矩形时，通孔11位于显示区10的对角线的相交位置处。
可以理解，显示区10中设置多个显示电路14，显示电路14例如形成有显示像素，当显示电路14工作时，显示像素可以使得显示区10可以显示内容。如图1所示，图1中带箭头的点画线代表显示区10中的显示电路14，其中，点画线的箭头的指示方向可以代表信号的传输方向。每一显示电路14与引线10电连接。
引线21可以与外部元件连接以使显示区10可以正常工作。例如，引线21连接外部电源，外部电源可以为显示区10供电。需要说明的是，引线区20具有柔性，其可以折弯。
驱动芯片30例如为源驱动芯片30(Source Driver)，驱动芯片30可以为显示区10提供源信号(Source Signal)以驱动显示区10显示文字、图像等内容。
第一折弯轴线12和第二折弯轴线13相交，可以理解为，第一折弯轴线12和第二折弯轴线13在同一个平面内相交，或第一折弯轴线12和第二折弯轴线13立体交叉。
在某些实施方式中，显示区10包括第一边缘15及第二边缘16。第二边缘16与第一边缘15垂直连接。第一折弯轴线12与第一边缘15相交，第二折弯轴线13与第二边缘16相交，引线21在第一边缘15位置处与显示电路 14电连接。
如此，显示区10的外形呈矩形，矩形的显示区10容易制造成型，并符合用户使用柔性显示屏100观看显示信息的习惯，从而可以提高用户体验。
本实施方式中，显示区10的外形呈长方形，第一边缘15为显示区10的短边缘，第二边缘16为显示区10的长边缘。当然，在其他实施方式中，显示区10可以呈正方形，第一边缘15的长度与第二边缘16的长度相等。
在某些实施方式中，显示区10包括相互平行的两个第一边缘15。引线区20上的引线21在每个第一边缘15位置处与显示电路40电连接，每个引线区20的引线21连接有至少一个驱动芯片30。显示区10包括至少两个子显示区19，每一个驱动芯片30单独驱动一子显示区19工作，全部的驱动芯片30协同驱动显示区10工作。
在图1的示例中，上方的第一边缘15位置处的引线区20上的引线21连接一个驱动芯片30，下方的第一边缘15位置处的引线区20上的引线21也连接有一个驱动芯片30。上方的驱动芯片30位于第一折弯轴线12的左外侧，下方的驱动芯片30位于第一折弯轴线12的右外侧。
当然，在其他实施方式中，上方的驱动芯片30的数量及位置与下方驱动芯片30的数量及位置可以具有多种不同的实施方式。
例如，上方的单个驱动芯片30及下方的单个驱动芯片30可以同时位于第一折弯轴线12的左外侧或右外侧；又如，上方的单个驱动芯片30位于第一折弯轴线12的右外侧，下方的单个驱动芯片30位于第一折弯轴线12的左外侧；再如，上方的第一边缘15的引线21连接有两个驱动芯片30，下方的第一边缘15的引线21连接有一个驱动芯片30，上方的两个驱动芯片30分别位于第一折弯轴线12的两外侧，下方的驱动芯片30位于第一折弯轴线12的左外侧或右外侧。
如图1所示，当上方的第一边缘15位置处的引线21连接有单个驱动芯片30，下方的第一边缘15位置处的引线21连接有单个驱动芯片30时，由 于通孔11处无法显示，因此，可以使上方的驱动芯片30驱动显示区10的左侧子显示区19(如A区域)工作，下方的驱动芯片30可以驱动显示区10的右侧子显示区19(如B区域)工作，以使显示区10的部分子显示区19可以单独工作，从而显示内容。
当然，当与上方的第一边缘15位置处的引线21连接的驱动芯片30与与下方的第一边缘15位置处的引线21连接的驱动芯片30同时驱动下显示区10的左侧子显示区19和右侧子显示区19工作，则显示区10的全部的子显示区19可以一起工作，全部子显示区19用于显示信息内容。
请参图2，上方的驱动芯片30可以驱动显示区10的上半部子显示区19(如C区域)工作，下方的驱动芯片30可以驱动显示区10的下半部子显示区19(如D区域)工作，以使显示区10的全部子显示区19可以全部工作，从而显示内容。
可以理解，当每个第一边缘15位置处的引线21连接有多个驱动芯片30时，每个驱动芯片30可以分别驱动显示区10的不同子显示区工作。例如，第一折弯轴线12和第二折弯轴线13可将该显示区10划分为四个子显示区，分别为左上子显示区、右上子显示区、左下子显示区和右下子显示区。当每个第一边缘15位置处的引线21连接有两个驱动芯片30时，位于上方的其中一个驱动芯片30可以驱动显示区10的左上子显示区工作，位于上方的另一个驱动芯片30可以驱动显示区10的右上子显示区工作。位于下方的其中一个驱动芯片30可以驱动显示区10的左下子显示区工作，位于下方的另一个驱动芯片30可以驱动显示区10的右下子显示区工作。
在某些实施方式中，显示区11的至少两个子显示区19中的至少一个子显示19区围成通孔11。
如图1及图2的示例中，子显示区19为两个，两个子显示区19围成通孔11。或者说，A区域和B区域围成通孔11或C区域和D区域围成通孔11。
在图8的示例中，显示区10的子显示区19为三个，分别为E区域、F区域及G区域。其中，F区域及G区域围成通孔11。
在某些实施方式中，引线21仅连接一个驱动芯片30，显示电路14在通孔11位置处设置成环绕通孔11，驱动芯片30驱动显示屏100的所有显示电路14。
在一个例子中，如图3所示，其中一个第一边缘15位置处的引线21连接有单个驱动芯片30，单个驱动芯片30驱动整个显示区10工作。由于通孔11无法设置电路14，因此，部分的显示电路14环绕通孔11设置，驱动芯片30驱动全部的显示电路14工作以使显示区10工作。
或者说，通孔11周围的显示电路14呈曲线式或折线式等方式环绕通孔11，从而使得通孔11周围的区域也可以显示内容。柔性显示屏100中只有单个驱动芯片30时，可以减少柔性显示屏100的零件数量，从而降低柔性显示屏100的成本。
请参阅图5，引线21连接两个所述驱动芯片30，显示电路14在通孔11位置处设置成环绕通孔11，且每一驱动芯片30分别位于第一折弯轴线12的一侧且各自驱动位于第一折弯轴线12一侧的显示电路14。
请参阅图5-图7，在某些实施方式中，引线21包括呈折弯状的两个折弯部22，沿折弯部22折弯的方向R，折弯部22呈渐缩形状，每个折弯部22连有单个驱动芯片30，第一折弯轴线12位于两个折弯部22之间。
如此，呈折弯状的折弯部22可减小柔性显示屏100的边框，并且，折弯部22呈渐缩形状使得柔性显示屏100可以沿着第一折弯轴线12折弯，从而使得柔性显示屏100可以同时兼顾窄边框显示和具有折弯性。
具体地，折弯部22折弯的方向，多条引线21聚拢以使引线21的排布形状与折弯部22相配。可以理解，显示区10包括显示面17和背面18。显示面17和背面18相背设置。显示面17用于显示信息，例如文字及图像等信息。
在一个例子中，在制造柔性显示屏100时，可先将一整块的显示屏切割以 形成显示区10和引线区20，并使折弯部22在平铺时沿远离显示区10的第一边缘15方向呈渐缩形状，然后在引线区20上形成聚拢的引线21，最后将带引线21的折弯部22折弯至显示区10的背面18，从而可以使得显示区10的面积与柔性显示屏100的正面轮廓面积比值较大，使得柔性显示屏100具有窄边框显示。
请再次参阅图1，在某些实施方式中，显示区10包括两个相互平行的第二边缘16，每个第二边缘16连接有第一栅极驱动电路40。
如此，第一栅极驱动电路40可以为显示区10提供栅极信号(Gate Signal)，以驱动显示区10显示内容。第一栅极驱动电路40可以与驱动芯片30共同驱动显示区10工作。需要说明的是，第一栅极驱动电路40具有一定的柔性，因此，当柔性显示屏100在折弯时，第一栅极驱动电路40也可以折弯，并且不会损坏。
在某些实施方式中，每个第二边缘16连接有第二栅极驱动电路50，第二栅极驱动电路50与第一栅极驱动电路40分别用于提供不同的驱动信号。
如此，第二栅极驱动电路50与第一栅极驱动电路40配合可以满足显示区10同时对不同驱动信号的需求，可以提高柔性显示屏100的适用性，使得柔性显示屏100具有广泛的应用前景。
请参阅图4，在某些实施方式中，驱动芯片30设置在引线区20上并与引线21连接。
如此，驱动芯片30直接地设置引线区20上，使得柔性显示屏100的结构更加简单。具体地，驱动芯片30可以通过COG(Chip On Glass)技术设置在引线区20上，如此，驱动芯片30的引线区20可以折弯至显示区10的背面18，以使提高柔性显示屏100的屏占比。
当然，在某些实施方式中，驱动芯片30设置在柔性电路板60上，驱动芯片30通过柔性电路板60与引线21连接，如图1所示。
具体地，驱动芯片30可以通过COF(Chip On Flex)技术设置在柔性电路板 60上，柔性电路板60可以与外部电源连接以为显示区10供电。
在某些实施方式中，第一折弯轴线12与第二折弯轴线13垂直。
如此，柔性显示屏100沿第一折弯轴线12和第二折弯轴线13折弯后所占用的空间较小，有利于柔性显示屏100存放和运输。本实施方式中，第一折弯轴线12与第一边缘15垂直设置相交，第二折弯轴线13与第二边缘16垂直相交，这样可以使得驱动芯片30的布局更加简便，以降低柔性显示屏100的制造难度。
在某些实施方式中，显示区10包括OLED(Organic Light-Emitting Diode，有机发光二极管)。
OLED具有低功耗、制造成本低、自发光等优点，从而可以降低柔性显示屏100的成本。
请参阅图9，本发明实施方式的显示装置200包括以上任一实施方式的柔性显示屏100。
上述显示装置中，由于驱动芯片30设置于第一折弯轴线12和第二折弯轴线13之外，避免了柔性显示屏100在折弯的时候与驱动芯片30发生干涉，从而避免柔性显示屏100在折弯的过程中损坏。
显示装置200例如是具有以上柔性显示屏100的电视机、手机、平板电脑等电子设备。
在某些实施方式中，显示装置200包括围绕柔性显示屏100的壳体210，壳体210形成有第一转动轴线211和第二转动轴线212，第一转动轴线211与第一折弯轴线12重合，第二转动轴线212与第二折弯轴线13重合，壳体210能够在柔性显示屏100沿第一折弯轴线12折弯时绕第一转动轴线211转动，且能够在柔性显示屏100沿第二折弯轴线13折弯时沿第二转动轴线212转动。
如此，壳体210可以减少柔性显示屏100受到的冲击，以保护柔性显示屏100，另外，壳体210能够在柔性显示屏100折弯时转动，可以避免壳体 210损坏。
请结合图10，在某些实施方式中，沿壳体210的周向上，壳体210包括依次连接的至少四个子壳体213，位于第一转动轴线211两侧的子壳体213通过第一转动件(图未示)转动地连接在一起，第一转件的中心线与第一转动轴线211重合，位于第二转动轴线212两侧的子壳体213通过第二转动件214转动地连接在一起，第二转动件214的中心线2141与第二转动轴线212重合。
如此，第一转动件和第二转动件214可以实现显示屏100的所有子壳体213转动地连接。
本实施方式中，子壳体213为四个，分别为第一子壳体213A、第二子壳体213B、第三子壳体213C及第四子壳体213D。
在图10的示例中，在上下的两个子壳体213连接时，第二转动件214的中心线2141与第二转动轴线212重合以使上下的两个子壳体213可以绕第二转动件214相对转动。需要说明的是，左右的两个子壳体213的连接结构可以参考上下两个子壳体213的连接结构。因此，可以理解，在左右的两个子壳体213连接时，第一转动件的中心线与第一转动轴线211重合以使左右的两个子壳体213可以绕第一转动件相对转动。
在本说明书的描述中，参考术语“一个实施方式”、“某些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施方式，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (20)

  1. 一种柔性显示屏，其特征在于，包括：
    开设有通孔的显示区，所述显示区定义有均跨过所述通孔且在所述通孔位置处相交的第一折弯轴线和第二折弯轴线，所述柔性显示屏能够沿所述第一折弯轴线和所述第二折弯轴线折弯；所述显示区包括多个显示电路；
    设置有多条引线的引线区，所述引线电连接所述显示区的多个显示电路；和
    电连接所述引线的驱动芯片，所述驱动芯片设置于所述第一折弯轴线和所述第二折弯轴线之外。
  2. 如权利要求1所述的柔性显示屏，其特征在于，所述显示区包括第一边缘及与所述第一边缘垂直连接的第二边缘，所述第一折弯轴线与所述第一边缘相交，所述第二折弯轴线与所述第二边缘相交，所述引线区的引线在所述第一边缘位置处与所述显示区的显示电路电连接。
  3. 如权利要求2所述的柔性显示屏，其特征在于，所述显示区包括两个相互平行的所述第一边缘，所述引线在每一所述第一边缘位置处与所述电路连接，位于每一所述第一边缘位置处的所述引线连接至少一个所述驱动芯片；
    所述显示区包括至少两个子显示区，每一所述驱动芯片单独驱动每一所述子显示区工作；全部的所述驱动芯片协同驱动所述显示区工作。
  4. 如权利要求3所述的柔性显示屏，其特征在于，所述至少两个子显示区中的至少两个所述子显示区围成所述通孔。
  5. 如权利要求2所述的柔性显示屏，其特征在于，所述引线仅连接一 个所述驱动芯片，所述显示电路在所述通孔位置处设置成环绕所述通孔，所述驱动芯片驱动显示屏的所有显示电路。
  6. 如权利要求2所述的柔性显示屏，其特征在于，所述引线连接两个所述驱动芯片，所述显示电路在所述通孔位置处设置成环绕所述通孔，且每一所述驱动芯片分别位于所述第一折弯轴线的一侧且各自驱动位于所述第一折弯轴线一侧的显示电路。
  7. 如权利要求2所述的柔性显示屏，其特征在于，所述显示区包括两个相互平行的所述第二边缘，每个所述第二边缘连接第一栅极驱动电路。
  8. 如权利要求7所述的柔性显示屏，其特征在于，每个所述第二边缘连接有第二栅极驱动电路，所述第二栅极驱动电路与所述第一栅极驱动电路分别用于提供不同的驱动信号。
  9. 如权利要求1所述的柔性显示屏，其特征在于，所述引线包括均呈折弯状的两个折弯部，沿所述折弯部折弯的方向，所述折弯部呈渐缩形状，每个所述折弯部连有单个所述驱动芯片，所述第一折弯轴线位于所述两个折弯部之间。
  10. 如权利要求1所述的柔性显示屏，其特征在于，所述驱动芯片设置在所述引线区上并与所述引线连接。
  11. 如权利要求1所述的柔性显示屏，其特征在于，所述驱动芯片设置在柔性电路板上，所述驱动芯片通过所述柔性电路板与所述引线连接。
  12. 如权利要求1所述的柔性显示屏，其特征在于，所述第一折弯轴线 与所述第二折弯轴线垂直。
  13. 如权利要求2所述的柔性显示屏，其特征在于，所述第一折弯轴线与所述第一边缘垂直相交，所述第二折弯轴线与所述第二边缘垂直相交。
  14. 如权利要求1所述的柔性显示屏，其特征在于，所述显示区包括OLED。
  15. 如权利要求1所述的柔性显示屏，其特征在于，所述通孔用于安装操作元件。
  16. 如权利要求15所述的柔性显示屏，其特征在于，所述操作元件为按钮。
  17. 如权利要求2所述的柔性显示屏，其特征在于，所述通孔位于所述显示区的中心位置。
  18. 一种显示装置，其特征在于，包括如权利要求1-17任意一项所述的柔性显示屏。
  19. 如权利要求18所述的显示装置，其特征在于，所述显示装置包括围绕所述柔性显示屏的壳体，所述壳体形成有第一转动轴线和第二转动轴线，所述第一转动轴线与所述第一折弯轴线重合，所述第二转动轴线与所述第二折弯轴线重合，所述壳体能够在所述柔性显示屏沿所述第一折弯轴线折弯时绕所述第一转动轴线转动，所述壳体能够在所述柔性显示屏沿所述第二折弯轴线折弯时绕所述第二转动轴线转动。
  20. 如权利要求19所述的显示装置，其特征在于，沿所述壳体的周向上，所述壳体包括依次连接的至少四个子壳体，位于所述第一转动轴线两侧的所述子壳体通过第一转动件转动地连接，所述第一转动件的中心线与所述第一转动轴线重合，位于所述第二转动轴线两侧的所述子壳体通过第二转动件转动地连接，所述第二转动件的中心线与所述第二转动轴重合。
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