WO2019090942A1 - 一种可曲面变形的显示器装置 - Google Patents

一种可曲面变形的显示器装置 Download PDF

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Publication number
WO2019090942A1
WO2019090942A1 PCT/CN2017/119657 CN2017119657W WO2019090942A1 WO 2019090942 A1 WO2019090942 A1 WO 2019090942A1 CN 2017119657 W CN2017119657 W CN 2017119657W WO 2019090942 A1 WO2019090942 A1 WO 2019090942A1
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Prior art keywords
flexible
display
deformation
plate
thin plate
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PCT/CN2017/119657
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English (en)
French (fr)
Inventor
王红梅
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成都爱可信科技有限公司
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Application filed by 成都爱可信科技有限公司 filed Critical 成都爱可信科技有限公司
Publication of WO2019090942A1 publication Critical patent/WO2019090942A1/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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Definitions

  • the present invention relates to a display, and in particular to a display device that can be deformed by a curved surface.
  • Displays are also commonly referred to as monitors.
  • Existing displays are usually only displayable in a plane.
  • the rapid development of flexible screen technology in order to obtain a better viewing effect, there has been a concave display.
  • the mechanism for both the flat display and the display of the curved display is currently very complicated, and the support structure is usually formed by a plurality of imposition methods, or the support structure is displayed by a hinge structure.
  • An object of the present invention is to provide a display device capable of curved surface deformation in order to solve the above problems, thereby solving the above problems.
  • a display device capable of curved surface deformation comprising: a flexible display screen, a flexible deformation plate, a driving mechanism, and a casing, wherein the flexible deformation plate is fixed to the back of the flexible display screen; further comprising a distracting mechanism, wherein the distracting mechanism comprises a rigid thin plate And the support frame, the two ends of the rigid thin plate are movably connected with the support frame; the rigid thin plate is fixedly fixed with the flexible deformation plate; the drive mechanism is fixedly connected with the housing; the drive mechanism comprises a drive rod, the drive rod Inward or outward movement in the axial direction, driving the rigid thin plate to be convexly curved or concavely curved to realize the deformable display screen from a flat display to a convex curved display or a concave curved display.
  • the moving distance h of the driving rod satisfies the following formula:
  • C flexible display (10) transverse arc length when convex or concave;
  • the flexible display screen comprises a flexible screen substrate and a plurality of display units, and the flexible screen substrate and the flexible deformation plate are connected by bonding, and the bonding manner comprises comprehensive Bonding or mesh bonding, the deformation of the rigid thin plate drives the flexible deformation plate to deform, thereby deforming the flexible screen substrate to avoid causing uneven deformation or deformation of the flexible screen substrate, resulting in display abnormality.
  • the flexible deformation plate comprises an integral flexible plate or a mesh plate.
  • the driving rod is connected to the rigid thin plate through a connecting block;
  • the connecting block comprises an elongated rectangular plate which is vertically disposed and fixed on the rigid thin plate In the middle, the driving connection block of the driving rod deforms the rigid thin plate.
  • the flexible screen substrate is made of a memory-deformable material, a flexible plastic material or a flexible fiber material.
  • the rigid sheet comprises a stainless steel sheet, a plastic sheet or a composite sheet.
  • the rigid thin plate comprises a stainless steel material or a plastic material.
  • the rigid thin plate includes a slider at both ends, the slider includes a racetrack type limiting hole, the support frame includes a limiting shaft; and the limiting shaft
  • the movable rod is movably connected to the limiting hole, and the driving rod moves inward or outward in the axial direction, and the curvature of the convex curved shape or the concave curved deformation of the rigid thin plate is defined by the limiting hole.
  • the device is a surface-deformable display device, which can be used on a mobile phone, a tablet or a television, and can change the screen of a television or a computer from a plane to a curved surface.
  • the structure is simple and reliable.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is a cross-sectional view taken along line 2-2 of Figure 1 of the present invention
  • Figure 3 is an enlarged schematic view of 3-3 of Figure 2 of the present invention
  • Figure 4 is a schematic view of the rigid sheet of Figure 3 of the present invention.
  • Figure 5 is a partial schematic view of the rigid sheet of Figure 4 of the present invention.
  • Figure 6 is a schematic view showing the concave curved surface shown in Figure 2 of the present invention.
  • Figure 7 is a schematic view of the convex curved surface shown in Figure 2 of the present invention.
  • Figure 8 is a perspective view of a display device according to still another embodiment of the present invention.
  • Figure 9 is a cross-sectional view showing the 9-9 of Figure 8 of the present invention.
  • the X-axis direction is referred to as the lateral direction
  • the y-axis direction is referred to as the longitudinal direction
  • the z-axis direction is the axial direction
  • the center position of the flexible display screen 10 is the 0-point position, where The position of the axis near the 0 point is called the near end, and the position farther away from the 0 point in the z-axis direction is called the far end.
  • the display device 1 includes a flexible display screen 10, a flexible deformation plate 20, a driving mechanism 30, and a housing 50, and the flexible deformation plate 20 is fixed to the back surface of the flexible display screen 10.
  • the housing 50 includes a rear housing 51 and a middle frame 52.
  • the driving mechanism 30 is fixedly coupled to the rear housing 51 of the housing 50.
  • the driving mechanism 30 includes a driving rod 31, and the driving rod 31 is along the shaft. Moving inward or outward in the direction, driving the rigid thin plate 41 to be convexly curved or concavely curved to realize the deformable display screen 10 from a flat display to a convex curved display or a concave curved display.
  • the side panel 21 is made of a semi-rigid material or a flexible material, and the deformation capability of the side panel 21 is much smaller than that of the flexible display screen 10.
  • the flexible display screen 10 is supported and limited, and the other In the aspect, the flexible deformation plate 20 can be deformed and compensated when the flexible display screen 10 is excessively deformed, so as to avoid the occurrence of abnormality or even cracking of the flexible display screen 10 caused by excessive deformation.
  • the flexible deformation plate 20 is made of a flexible elastic material, including but not limited to a silicone material having good ductility, a rubber material, and the bottom portion may also be composed of a fiber cloth which can be elongated in the transverse direction.
  • the flexible deformation plate 20 comprises an integral flexible plate or a mesh plate.
  • the flexible display screen 10 includes a flexible screen substrate 12 and a plurality of display units 11 made of a memory-deformable material, a flexible plastic material or a flexible fiber material.
  • the flexible screen substrate 12 and the flexible deformation plate 20 are bonded by bonding, and the bonding method comprises full bonding or mesh bonding.
  • the flexible display screen 10 has the ability to be deformed by elongation, and can be convex or concavely deformed under external force.
  • the rigid thin plate 41 is convexly curved or concavely deformed, and the flexible deformation plate 20 is first deformed, and the flexible deformation plate 20 is further connected to the fixed structure.
  • the flexible screen substrate 12 is deformed, so that on the one hand, due to the buffering of the flexible deformation plate 20, the deformation stress is released, and the uneven deformation or deformation of the flexible screen substrate 12 is prevented from being inconsistent, resulting in display abnormality;
  • the deformation can smooth the local uneven arc shape of the convex curved shape or the concave curved deformation of the rigid thin plate 41, so that the flexible screen substrate 12 is deformed to exhibit a better curved surface shape.
  • the driving rod 31 is connected to the rigid thin plate 41 through a connecting block 42; the connecting block
  • the 42 includes a strip-shaped rectangular plate or a strip-shaped plate which is vertically disposed in the longitudinal direction and is fixed at an intermediate position of the distal end of the rigid thin plate 41, and the drive connecting block 42 of the drive lever 31 deforms the rigid thin plate 41.
  • the connecting block 42 is longitudinally connected to the rigid thin plate 41 in the middle of the distal end of the rigid thin plate 41, and can be connected by prior art such as welding, riveting, bonding, etc., and the connecting block 42 comprises a rigid plastic. Made of materials or metal materials.
  • the connecting block 42 can effectively transmit the force transmitted by the driving rod 45 to the middle position of the rigid thin plate 41 in the longitudinal direction, thereby playing a role of better dispersing force, and ensuring that the curved surface of the convex or concave deformation substantially satisfies the circle.
  • the arc shape prevents the rigid thin plate 41 from being severely deformed locally at the point of stress.
  • the drive mechanism 30 includes a drive lever 31 and a drive motor 32 (not shown) that is engaged with an output lever 33 (not shown) via a reduction gear 34 (not shown), the output lever 33
  • the drive motor 32 rotates to drive the output rod 33 to rotate, and the drive rod 31 is axially moved from the proximal end to the distal end or the distal end toward the proximal end.
  • the elongation ⁇ of the flexible display screen 10 and the lateral length L of the flexible display screen 10 that is not deformed ie, the lateral chord length L when the flexible display screen 10 is convex or concave
  • the axial movement of the rod 31 avoids the extension of the flexible display 10 and protects the flexible display 10 from normal damage.
  • the moving distance h of the driving rod 31 satisfies the following formula:
  • C flexible display (10) transversely curved when convex or concave;
  • L flexible display (10) transverse chord length when convex or concave;
  • Arcsin inverse sine function
  • the driving motor 32 can control the axial movement distance of the driving rod 31 through a preset program, and can also send commands to the control unit of the driving motor 32 through a Bluetooth or wireless connection through a mobile phone or other device. control.
  • the rigid sheet 41 comprises a stainless steel sheet, a plastic sheet or a composite sheet.
  • the thickness thereof is generally 0.1-0.2 mm.
  • the rigid thin plate 41 is made of a plastic thin plate or a composite material thin plate, the thickness thereof can generally be set to 0.2-0.3 mm, which is guaranteed.
  • the rigid sheet 41 has sufficient support for the flexible display screen 10, and also satisfies a convex or concave curved shape that forms an approximately circular arc when deformed.
  • the rigid plate 41 includes a slider 410 at both ends thereof, and the slider 410 includes a racetrack-type limiting hole 413, and the limiting hole 413 includes the slider 410. It is also possible to provide a blind hole at the longitudinal ends of the slider 410.
  • the support frame 43 includes a limiting shaft 44 and is axially symmetrically disposed along the flexible display screen 10; the limiting shaft 44 is movably connected to the limiting hole 413, and the limiting shaft 44 has a diameter ratio limit of the limiting shaft 44.
  • the diameters of the ends of the holes 413 are slightly smaller or substantially the same.
  • the limiting shaft 44 may pass through the limiting hole 413, or the limiting shaft 44 may be disposed at both ends of the longitudinal direction.
  • the distance between the limit axes 44 at the lateral ends is substantially equal to or slightly smaller than the lateral distance of the flexible display screen 10.
  • the limiting hole 413 includes an inner end hole 411 and an outer end hole 412.
  • the driving rod 31 moves inward or outward in the axial direction, and the curvature of the convex curved shape or the concave curved deformation of the rigid thin plate 41 is defined by the limiting hole 413, and the inner end hole 411 and the outer end
  • the end holes 412 slide between each other.
  • the distance D between the inner end hole 411 and the outer end hole 412 of the limiting hole 413 satisfies the following formula:
  • C flexible display (10) transversely curved when convex or concave;
  • L flexible display (10) transverse chord length when convex or concave;
  • Arcsin inverse sine function
  • the planar state is deformed into a process of forming the convex curved surface: First, as shown in FIG. 2, the flexible display screen 10 is in a planar state, and the driving mechanism 30 includes a driving rod 31 and a driving motor 32 (not shown).
  • the drive motor 32 is engaged with an output rod 33 (not shown) via a reduction gear 34 (not shown), and the output rod 33 is screw-engaged with the drive rod 31, and the drive motor 32 rotates to drive the output rod 33 to rotate, and
  • the drive rod 31 is axially moved from the distal end to the proximal end, so that the driving rod 31 conducts the thrust to the connecting block 42, the connecting block 42 disperses and drives the force with the rigid thin plate 41, so that the intermediate position of the rigid thin plate 41 is The distal end is deformed toward the proximal end.
  • the rigid thin plate 41 includes a slider 410 at both ends, the limiting hole 413 includes an inner end hole 411 and an outer end hole 412, and is restricted by the support frame 43.
  • Both ends of the rigid thin plate 41 defined by the shaft 44 slide in the middle to compensate for the deformation arc, and the inner end hole 411 is moved to the outer end hole 412 and is defined by the outer end hole 412 to prevent excessive deformation thereof.
  • sheet 41 forms a convex arc surface, thereby causing the flexible deformation plate 20 to be deformed, and the flexible deformation plate 20 further deforms the flexible screen substrate 12 to finally form a convex curved flexible display screen 10.
  • the drive mechanism 30 includes a drive rod 31 and a drive motor 32 (not shown), and the drive motor 32 passes through a reduction gear 34 (not shown) and an output rod 33.
  • the output rod 33 is screw-engaged with the driving rod 31, and the driving motor 32 rotates to drive the output rod 33 to rotate (the direction is opposite to the convex surface), and the driving rod 31 is axially Moving from the proximal end to the distal end, the driving rod 31 transmits the tensile force to the connecting block 42, the connecting block 42 disperses and drives the pulling force with the rigid thin plate 41, and deforms the intermediate position of the rigid thin plate 41 from the proximal end to the distal end.
  • both ends of the rigid thin plate 41 include a slider 410, the limiting hole 413 includes an inner end hole 411 and an outer end hole 412, which are defined by the limiting shaft 44 of the support frame 43.
  • Both ends of the rigid thin plate 41 slide toward the middle to compensate the deformation arc, the inner end hole 411 is moved to the outer end hole 412, and is defined by the outer end hole 412, and the rigid thin plate 41 forms a concave curved surface, thereby driving The flexible deformation plate 20 is deformed, the soft The deformed plate 20 in turn deforms the flexible screen substrate 12 to finally form a concave curved flexible display screen 10.
  • the flexible display screen 10 may also be directly deformed from a convex curved surface into a concave curved surface, or may be deformed from a concave curved surface into a convex curved surface.
  • the curvature of the convex curved shape or the concave curved deformation of the rigid thin plate 41 is defined by the distance between the inner end hole 411 and the outer end hole 412 in the limiting hole 413.
  • the degree to which the flexible display screen 10 is deformed from the plane to the convex or concave curved surface can be controlled, but the driving rod 31 is moved. Do not exceed the set drive rod 31 axial movement distance h.
  • the driving rod 31 does not move more than twice the axial movement distance h of the set driving rod 31.
  • the embodiment mainly aims to realize that the screen of the flexible display screen 10 is stretched or reduced in different directions.
  • the display device 2 includes a flexible display screen 10, a flexible deformation plate 20, a driving mechanism 30, and a housing 50, and the flexible deformation plate 20 is fixed to the back surface of the flexible display screen 10.
  • the expansion mechanism 40 further includes a rigid sheet 41 and a support frame 43. The two ends of the rigid sheet 41 are movably connected to the support frame 43; the rigid sheet 41 is bonded and fixed to the flexible deformation plate 20;
  • the housing 50 includes a rear housing 51 and a middle frame 52.
  • the driving mechanism 30 is fixedly coupled to the rear housing 51 of the housing 50.
  • the driving mechanism 30 includes a driving rod 31, and the driving rod 31 is oriented in the axial direction.
  • the flexible display screen 10 includes a flexible screen substrate 12 and a plurality of display units 11, and the flexible screen substrate 12 is made of a memory-deformable material, a flexible plastic material or a flexible fiber material.
  • the flexible screen substrate 12 and the flexible deformation plate 20 are bonded by bonding, and the bonding method comprises full bonding or mesh bonding.
  • the flexible display screen 10 has the ability to be elongated and deformed, and can be convex or concavely deformed under external force.
  • a side panel 211 disposed around the flexible display screen 10, the distal end of the side panel 211 is shown connected to the proximal end of the flexible deformation panel 20, the side panel 211 and the flexible display screen 10
  • the peripheral edge of the flexible screen substrate 12 is adhesively fixed, and the side of the side panel 211 is provided with a pleat-type filling edge 212.
  • the proximal end surface of the filling edge 212 is an elastic plane 213 and is connected with a pleat-type supporting edge 214.
  • the elastic plane 213 remains flat when the flexible display screen 10 is stretched or restored, ensuring the aesthetics of the front side of the display unit 2. While supporting the elastic plane 213, the supporting edge 214 also plays a certain supporting role on the side panel 211.
  • the outer side of the side panel 211 further includes an electric telescopic rod 210, and the other end of the electric telescopic rod 210 is connected and fixed to the middle frame 52.
  • the electric extension rod 210 is deformed by the telescopic pulling side panel 211.
  • the driving side panel 211 drives the flexible deformation plate 20 to deform, and the side panel 211 and the flexible deformation plate 20 drive the deformed flexible screen substrate 12 to drive the flexible display panel. 10 becomes larger or restored, and the deformation process of the flexible display screen 10 is ensured to be uniform.
  • the flexible deformation plate 20 is made of a flexible elastic material, including but not limited to a silicone material having good ductility, a rubber material, and the bottom portion may also be composed of a fiber cloth which can be elongated in the transverse direction.
  • the flexible deformation plate 20 comprises an integral flexible plate or a mesh plate.
  • the electric telescopic rod For a small-sized display device 2, such as when applied to a mobile phone or a tablet, the electric telescopic rod
  • the electric telescopic rod 210 is symmetrically disposed at intermediate positions in the lateral direction and the longitudinal direction, and not less than one of the electric extension rods 210 is disposed on each side of the display device 2.
  • the electric telescopic rod 210 is symmetrically disposed along a laterally and longitudinally intermediate position, and each of the sides of the display device 2 is provided with a plurality of the electric devices. Telescopic rod 210.
  • the display device 2 further includes a built-in speed sensor and a controller. When the screen is dropped, the speed generated in the free fall body transmits a signal to the controller through the speed sensor, and the controller controls the electric telescopic rod 210.
  • the drive mechanism 30 is energized to operate.
  • the display device 2 further includes a Bluetooth receiver.
  • the Bluetooth receiver is electrically connected to the controller, and can connect to the Bluetooth through the mobile phone, and directly controls the driving mechanism 30 to be powered by the controller through the mobile phone.
  • the size of the flexible screen substrate 12 can be adjusted by the electric telescopic rod 210 through a switch on the mobile phone or the tablet, so that the flexible display screen 10 becomes larger or smaller, and can be electrically powered.
  • the telescopic rod 210 allows the mobile phone or the tablet to move from the up, down, left, and right directions of the screen film, or can be stretched up and down or left and right, left upper, lower left, upper right, and lower right.
  • the convexity of the screen can also be adjusted by the driving mechanism 30.
  • the speed sensor on the display base senses the speed, and then the electric telescopic rod 210 is retracted by the controller, and at the same time, the driving mechanism 30 drives the flexibility.
  • the display screen forms a concave curved surface inward, so that the screen is recessed, and the screen will not be damaged when it is dropped.
  • [0039] applied to a television or a computer can be connected to a controller in a television or a computer through a Bluetooth receiver through a remote controller or a mobile phone, and directly controls the electric telescopic rod 210 and the driving mechanism 30 to be energized by the controller through the mobile phone.
  • the screen of the TV or computer be recessed, so that the plane becomes a curved surface, and the degree of convex or concave curved surface formed by the screen can be adjusted according to the viewing conditions of different people, and the computer or the television can be made.
  • the screen becomes larger and smaller, and the electric telescopic rod 210 in the middle of the TV or the computer is used to make the screen stretch in one direction, two directions and four sides, thereby increasing the screen and giving people a better visual sense.
  • the device is a surface-deformable display device, which can be used on a mobile phone or a tablet, can adjust the size of the screen at will, and does not damage when dropped screen, Reduce the cost of people changing screens; can be used on TVs and computers, can change the screen of a TV or computer from a flat surface to a curved surface, and can also adjust the size of a TV or computer screen to provide a more comfortable use for people.

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Abstract

一种可曲面变形的显示器装置，包括柔性显示屏（10）、柔性变形板（20）、驱动机构（30）、壳体（50），所述柔性变形板（20）与柔性显示屏（10）背面固定；还包含撑开机构（40），所述撑开机构（40）包含刚性薄板（41）和支撑架（43），所述刚性薄板（41）两端与支撑架（43）活动连接；所述刚性薄板（41）与柔性变形板（20）粘接固定；所述驱动机构（30）与壳体（50）固定连接；所述驱动机构（30）包含驱动杆（31），所述驱动杆（31）沿轴向方向向内或向外运动，驱动所述刚性薄板（41）外凸弧形变形或内凹弧形变形实现可变形显示屏（10）由平面显示变为外凸曲面显示或内凹曲面显示。

Description

一种可曲面变形的显示器装置 技术领域
[0001] 本发明涉及一种显示器， 具体涉及一种可曲面变形的显示器装置。
背景技术
[0002] 显示器通常也被称为监视器。 现有的显示器通常只能平面进行显示。 为了提高一 种更加舒适的观影屏幕， 同时柔性屏技术的快速发展， 为了得到更好的观影效果， 目前已 经有内凹型的显示器。但是既能兼顾平面显示，又能实现曲面显示的显示屏的机构目前都 非常复杂，通常是通过多个拼版方式形成曲面显示支撑结构，或者是通过铰链结构方式拼 接处曲面显示的支撑结构。
[0003] 为了实现简单可靠的， 并且可以兼顾平面显示， 又能实现曲面显示的显示装置是 进一步发展曲面显示需要解决的问题。
[0004] 发明内容
本发明的目的就在于为了解决上述问题而提供一种可曲面变形的显示器装置，从而解决上 述问题。
[0005] 为了解决上述技术问题， 本发明提供了如下的技术方案：
一种可曲面变形的显示器装置， 包括柔性显示屏、 柔性变形板、 驱动机构、 壳体， 所述柔 性变形板与柔性显示屏背面固定;还包含撑开机构，所述撑开机构包含刚性薄板和支撑架， 所述刚性薄板两端与支撑架活动连接；所述刚性薄板与柔性变形板粘接固定；所述驱动机 构与壳体固定连接； 所述驱动机构包含驱动杆， 所述驱动杆沿轴向方向向内或向外运动， 驱动所述刚性薄板外凸弧形变形或内凹弧形变形实现可变形显示屏由平面显示变为外凸 曲面显示或内凹曲面显示。
[0006] 作为本发明的一种可选技术方案， 所述驱动杆的移动距离 h满足以下公式：
C = L * (1 + δ) = 27? arcsin(L / 2R) , 且 h < R - ^R2 - (L/ 2)2 ； 其中：
C =柔性显示屏 （10) 外凸或内凹时横向弧长；
L=柔性显示屏 （10) 外凸或内凹时横向的弦长； arcsin=反正弦函数；
δ=柔性显示屏 （10 ) 伸长率；
R=半径；
h=驱动杆 （31 ) 轴向移动距离。
[0007] 作为本发明的一种可选技术方案， 所述柔性显示屏包含柔性屏基板和若干个显示 单元，所述柔性屏基板与所述柔性变形板通过粘接相连，粘接方式包含全面粘接或网状粘 接， 所述刚性薄板变形带动所述柔性变形板变形， 进而使所述柔性屏基板变形， 避免造成 所述柔性屏基板受力不均破裂或变形不一致， 导致显示异常。
[0008] 作为本发明的一种可选技术方案， 所述柔性变形板包含整体柔性板或网状板。
[0009] 作为本发明的一种可选技术方案， 所述驱动杆通过连接块与所述刚性薄板连接； 所述连接块包含长条型矩形板，其竖直设置并固定在所述刚性薄板中部，所述驱动杆的驱 动连接块使刚性薄板变形。
[0010] 作为本发明的一种可选技术方案， 所述柔性屏基板采用可记忆变形材料、 柔性塑 料材料或柔性纤维材料制成。
[0011] 作为本发明的一种可选技术方案， 刚性薄板包括不锈钢薄板、 塑料薄板制成或复 合材料薄板。
[0012] 作为本发明的一种可选技术方案， 所述刚性薄板包括不锈钢材料或塑料材料制成。
[0013] 作为本发明的一种可选技术方案， 所述刚性薄板两端包含滑块， 所述滑块包含跑 道型的限位孔， 所述支撑架包括限位轴； 所述限位轴与限位孔活动连接， 所述驱动杆沿轴 向方向向内或向外运动，所述刚性薄板的外凸弧形变形或内凹弧形变形的弧度被限位孔限 定。
[0014] 本发明所达到的有益效果是： 该装置是一种可曲面变形的显示器装置， 该屏幕可 以用于手机， 平板上或电视机上， 可以把电视机或电脑的屏幕由平面变成曲面， 结构简单 可靠。
附图说明
[0015] 附图用来提供对本发明的进一步理解， 并且构成说明书的一部分， 与本发明的实 施例一起用于解释本发明， 并不构成对本发明的限制。 在附图中：
图 1是本发明的立体示意图；
图 2是本发明图 1所示 2-2的剖视图； 图 3是本发明图 2所示 3-3的放大示意图；
图 4是本发明图 3所示刚性薄板的示意图；
图 5是本发明图 4所示刚性薄板的局部示意图；
图 6是本发明图 2所示内凹曲面示意图；
图 7是本发明图 2所示外凸曲面示意图；
图 8是是本发明的又一实施例的显示装置的立体示意图；
图 9是是本发明图 8所示 9-9的剖视图。
具体实施方式
[0016] 以下结合附图对本发明的优选实施例进行说明， 应当理解， 此处所描述的优选实 施例仅用于说明和解释本发明， 并不用于限定本发明。 为了方便描述， 如图 1所示， 本发 明描述中 X轴方向称为横向， y轴方向称为纵向， z轴方向成为轴向， 柔性显示屏 10的 中心位置为 0点位置， 凡是沿 z轴方向靠近 0点位置称为近端， 凡是， 沿 z轴方向远离 0 点位置称为远端。
[0017] 实施例 1
如图 1-4所示， 显示器装置 1， 包括柔性显示屏 10、 柔性变形板 20、 驱动机构 30、 壳体 50， 所述柔性变形板 20与柔性显示屏 10背面固定。
[0018] 还包含撑开机构 40， 所述撑开机构 40包含刚性薄板 41和支撑架 43， 所述刚性薄 板 41两端与支撑架 43活动连接； 所述刚性薄板 41与柔性变形板 20粘接固定； 所述壳体 50包含后壳 51和中框 52， 所述驱动机构 30与壳体 50的后壳 51固定连接； 所 述驱动机构 30包含驱动杆 31， 所述驱动杆 31沿轴向方向向内或向外运动， 驱动所述刚 性薄板 41外凸弧形变形或内凹弧形变形实现可变形显示屏 10由平面显示变为外凸曲面显 示或内凹曲面显示。
[0019] 还包含设置在所示柔性显示屏 10四周的侧边板 21， 侧边板 21与所述柔性变形板
20相连，所述侧边板 21与柔性显示屏 10的四周边缘粘接固定，同时与中框 52粘接固定。 所述侧边板 21采用半刚性材料或柔性材料制成，所述侧边板 21的变形能力远小于柔性显 示屏 10的变形能力，一方面对柔性显示屏 10起到支撑限定作用，另一方面也可以在柔性 显示屏 10过度变形时对柔性变形板 20进行变形补偿，避免出现变形过度引起柔性显示屏 10显示异常甚至破裂。所述柔性变形板 20采用柔性弹性材料制成， 包括但不限于具有良 好延展性的硅胶材料， 橡胶材料， 所述底部也可以由可以横向伸长的纤维布组成。所述柔 性变形板 20包含整体柔性板或网状板。 [0020] 所述柔性显示屏 10包含柔性屏基板 12和若干个显示单元 11， 所述柔性屏基板 12 采用可记忆变形材料、 柔性塑料材料或柔性纤维材料制成。 所述柔性屏基板 12与所述柔 性变形板 20通过粘接相连，粘接方式包含全面粘接或网状粘接。所述柔性显示屏 10具有 可以伸长变形的能力， 可以在受到外力情况下实现外凸或内凹变形。
[0021] 在变形过程中， 所述刚性薄板 41外凸弧形变形或内凹弧形变形， 首先带动所述柔 性变形板 20变形， 所述柔性变形板 20进而使与之连接固定的所述柔性屏基板 12变形， 这样一方面由于柔性变形板 20 的缓冲， 释放变形的应力， 避免造成所述柔性屏基板 12 受力不均破裂或变形不一致， 导致显示异常； 另外一个方面柔性变形板 20变形可以对所 述刚性薄板 41外凸弧形变形或内凹弧形变形出现的局部不平整的弧型进行平滑， 使所述 柔性屏基板 12变形呈现出较好的弧面形态。
[0022] 如图 4所示， 所述驱动杆 31通过连接块 42与所述刚性薄板 41连接； 所述连接块
42包含长条型矩形板或条形板，其沿纵向竖直设置并固定在所述刚性薄板 41远端中间位 置， 所述驱动杆 31的驱动连接块 42使刚性薄板 41变形。 如图 4所示， 所述连接块 42 在刚性薄板 41远端中部纵向与刚性薄板 41连接固定， 可以采用焊接， 铆接， 粘接等现有 技术进行连接，所述连接块 42包括刚性的塑料材料或金属材料制成。所述连接块 42可以 有效将所述驱动杆 45传递的力量沿纵向传递到刚性薄板 41的中间位置，起到较好的分散 力量的作用， 保证外凸或内凹变形的弧面基本满足圆弧形状， 防止刚性薄板 41在受力点 局部出现严重变形。
[0023] 所述驱动机构 30包含驱动杆 31和驱动电机 32 (未示出）， 驱动电机 32通过减速 齿轮 34 (未示出） 与输出杆 33 (未示出） 咬合， 所述输出杆 33与所述驱动杆 31螺纹相 连， 驱动电机 32旋转带动输出杆 33旋转， 并使驱动杆 31沿轴向由近端向远端或远端向 近端移动。 通常情况下， 假设已知柔性显示屏 10的伸长率 δ和柔性显示屏 10未变形的 横向长度 L (即柔性显示屏 10外凸或内凹时横向的弦长 L)， 那么通过控制驱动杆 31轴向 移动距离可以避免出现超出柔性显示屏 10的延伸极限，保护柔性显示屏 10正常显示不被 损坏。 所述驱动杆 31的移动距离 h满足以下公式：
C = L * (1 + δ) = 27? arcsin(L 12R)
Figure imgf000006_0001
其中 : C =柔性显示屏 （10 ) 外凸或内凹时横向弧长；
L=柔性显示屏 （10 ) 外凸或内凹时横向的弦长；
arcsin=反正弦函数；
δ=柔性显示屏 （10 ) 伸长率； R=半径；
h=驱动杆 （31 ) 轴向移动距离。
[0024] 本实施例中， 对驱动电机 32可以通过预设程序控制驱动杆 31轴向移动距离， 也 可以通过手机或其他设备通过蓝牙， 无线连接等方式对驱动电机 32的控制单元发送指令 进行控制。
[0025] 所述刚性薄板 41包括不锈钢薄板、 塑料薄板制成或复合材料薄板。 所述刚性薄板 41材料为不锈钢薄板时，其厚度一般为 0.1-0.2mmm,当采用塑料薄板或复合材料薄板制成 刚性薄板 41时，其厚度一般可以设置为 0.2-0.3mm,既保证所述刚性薄板 41对柔性显示屏 10有足够的支撑， 同时也要满足在变形时形成近似圆弧的外凸或内凹弧形。
[0026] 如图 4-5所示， 所述刚性薄板 41两端包含滑块 410， 所述滑块 410包含跑道 型的限位孔 413， 所述限位孔 413包括贯穿所述滑块 410， 也可以设置为在滑块 410纵向 两端形成盲孔。 所述支撑架 43包括限位轴 44并沿柔性显示屏 10轴向对称设置； 所述限 位轴 44与限位孔 413活动连接， 限位轴 44所述限位轴 44的直径比限位孔 413的两端的 孔直径略小或基本相同。 在本实施例中， 限位轴 44可以贯穿限位孔 413， 也可以设置在 纵向两端都设置限位轴 44。 为了保证形成的弧面均匀受力， 横向两端的所述限位轴 44之 间的距离与柔性显示屏 10横向距离基本相当或稍小。 所述限位孔 413包含内端孔 411和 外端孔 412。所述驱动杆 31沿轴向方向向内或向外运动， 所述刚性薄板 41的外凸弧形变 形或内凹弧形变形的弧度被限位孔 413限定， 并在内端孔 411和外端孔 412之间滑动。一 种可选的技术方案， 为了起到限位作用， 限位孔 413的内端孔 411和外端孔 412之间的距 离 D满足以下公式：
27? ， 且 C 二 2R arcsin(L / 2/?) = L * (l + 6) ;
其中： C =柔性显示屏 （10 ) 外凸或内凹时横向弧长；
L=柔性显示屏 （10 ) 外凸或内凹时横向的弦长；
arcsin=反正弦函数；
δ =柔性显示屏 （10 ) 伸长率； R=半径；
M=柔性显示屏 （10 ) 到刚性薄板 (41)的距离；
D=内端孔 (411)和外端孔 (412)之间的距离 D。
[0027] 如图 4-7并结合图 2所示， 主要描绘了一种可曲面变形的显示器装置的柔性显示 屏 10从平面状态变为内凹弧面或外凸弧面的过程。
[0028] 平面状态变形为外凸弧面的形成过程： 首先， 如图 2所示， 柔性显示屏 10处于平 面状态， 所述驱动机构 30包含驱动杆 31和驱动电机 32 (未示出）， 驱动电机 32通过减 速齿轮 34 (未示出） 与输出杆 33 (未示出） 咬合， 所述输出杆 33与所述驱动杆 31螺纹 传动配合， 驱动电机 32旋转带动输出杆 33旋转， 并使驱动杆 31沿轴向由远端向近端移 动， 从而驱动杆 31将推力传导到连接块 42， 所述连接块 42将力分散并驱动与所述刚性 薄板 41， 使刚性薄板 41 中间位置由远端向近端变形， 与此同时， 由于所述刚性薄板 41 两端包含滑块 410，所述限位孔 413包含内端孔 411和外端孔 412，被所述支撑架 43的限 位轴 44限定的所述刚性薄板 41的两端向中间滑动补偿变形弧形，所述内端孔 411移动到 外端孔 412， 并被外端孔 412所限定， 阻止其变形过度， 所述刚性薄板 41形成外凸的弧 面， 从而带动柔性变形板 20变形， 所述柔性变形板 20进而使所述柔性屏基板 12变形， 最终形成外凸弧形的柔性显示屏 10。
[0029] 平面状态变形为内凹弧面的形成过程： 所述驱动机构 30包含驱动杆 31和驱动电 机 32 (未示出）， 驱动电机 32通过减速齿轮 34 (未示出） 与输出杆 33 (未示出） 咬合， 所述输出杆 33与所述驱动杆 31螺纹传动配合，驱动电机 32旋转带动输出杆 33旋转（方 向与外凸弧面时相反）， 并使驱动杆 31沿轴向由近端向远端移动， 从而驱动杆 31将拉力 传导到连接块 42， 所述连接块 42将拉力分散并驱动与所述刚性薄板 41， 使刚性薄板 41 中间位置由近端向远端变形， 与此同时， 由于所述刚性薄板 41两端包含滑块 410， 所述 限位孔 413包含内端孔 411和外端孔 412，被所述支撑架 43的限位轴 44限定的所述刚性 薄板 41的两端向中间滑动补偿变形弧形， 所述内端孔 411移动到外端孔 412， 并被外端 孔 412所限定， 所述刚性薄板 41形成内凹的弧面， 从而带动柔性变形板 20变形， 所述柔 性变形板 20进而使所述柔性屏基板 12变形， 最终形成内凹弧形的柔性显示屏 10。
[0030] 本领域的技术人员可以理解， 柔性显示屏 10也可以由外凸弧面直接变形为内凹弧 面， 或者由内凹弧面变形为外凸弧面。 所述刚性薄板 41的外凸弧形变形或内凹弧形变形 的弧度被限位孔 413中内端孔 411与外端孔 412的距离所限定。 同时通过控制驱动杆 31 沿轴向由远端向近端或近端向远端移动的距离可以控制柔性显示屏 10由平面变形为外凸 或内凹弧面的程度， 但驱动杆 31移动距离不得超出设定的驱动杆 31轴向移动距离 h。 当 由外凸弧面直接变形为内凹弧面， 或者由内凹弧面变形为外凸弧面， 驱动杆 31移动距离 不得超出设定的驱动杆 31轴向移动距离 h的两倍。
[0031] 实施例 2
如图 8-9所示， 本实施例在实施例 1的基础上， 主要针对柔性显示屏 10实现平面的不同 方向屏拉伸变大或缩小。
[0032] 显示器装置 2， 包括柔性显示屏 10、 柔性变形板 20、 驱动机构 30、 壳体 50， 所述 柔性变形板 20与柔性显示屏 10背面固定。还包含撑开机构 40， 所述撑开机构 40包含刚 性薄板 41和支撑架 43， 所述刚性薄板 41两端与支撑架 43活动连接； 所述刚性薄板 41 与柔性变形板 20粘接固定； 所述壳体 50包含后壳 51和中框 52， 所述驱动机构 30与壳 体 50的后壳 51固定连接； 所述驱动机构 30包含驱动杆 31， 所述驱动杆 31沿轴向方向 向内或向外运动， 驱动所述刚性薄板 41外凸弧形变形或内凹弧形变形实现可变形显示屏 10由平面显示变为外凸曲面显示或内凹曲面显示。
[0033] 所述柔性显示屏 10包含柔性屏基板 12和若干个显示单元 11， 所述柔性屏基板 12 采用可记忆变形材料、 柔性塑料材料或柔性纤维材料制成。 所述柔性屏基板 12与所述柔 性变形板 20通过粘接相连，粘接方式包含全面粘接或网状粘接。所述柔性显示屏 10具有 可以伸长变形的能力， 可以在受到外力情况下实现外凸或内凹变形。
[0034] 还包含设置在所述柔性显示屏 10四周的侧边板 211， 所示侧边板 211远端与所述 柔性变形板 20近端相连， 所述侧边板 211与柔性显示屏 10的柔性屏基板 12的四周边缘 粘接固定， 所述侧边板 211外侧设置褶皱型的填充边 212， 所述填充边 212近端面为弹性 平面 213并连接褶皱型的支撑边 214， 所述弹性平面 213在柔性显示屏 10拉伸或恢复时 都保持平面， 保证显示器装置 2正面的美观性。 所述支撑边 214支撑所述弹性平面 213 的同时，也对所述侧边板 211起到一定的支撑作用。所述侧边板 211外侧相连的还包括电 动伸缩杆 210， 所述电动伸缩杆 210另一端与中框 52连接固定。 所述电动伸缩杆 210通 过伸缩拉动侧边板 211 变形。 同时由于所 示侧边板 211内侧与所述柔性变形板 20外侧 相连， 所述电动伸缩杆 210伸缩时， 驱动侧边板 211带动柔性变形板 20—起变形， 所述 侧边板 211和柔性变形板 20驱动所述变形柔性屏基板 12带动所述柔性显示屏 10变大或 恢复， 保证所述柔性显示屏 10变形过程受力均匀。
[0035] 所述柔性变形板 20采用柔性弹性材料制成， 包括但不限于具有良好延展性的硅胶 材料， 橡胶材料， 所述底部也可以由可以横向伸长的纤维布组成。 所述柔性变形板 20包 含整体柔性板或网状板。
[0036] 针对小尺寸的显示器装置 2， 比如应用于手机或者平板上的时候，所述电动伸缩杆
210在沿着横向和纵向中间位置对称设置，显示器装置 2四周的每一个边设置不少于 1个 所述电动伸缩杆 210。针对较大尺寸的显示器装置 2， 比如应用于电视或者电脑上的时候， 所述电动伸缩杆 210在沿着横向和纵向中间位置对称设置，显示器装置 2四周的每一个边 设置多个所述电动伸缩杆 210。
[0037] 所述显示器装置 2还包括内置设有速度传感器和控制器， 当屏幕掉落时， 在自由 落体产生的速度会通过速度传感器把信号传给控制器，让控制器控制电动伸缩杆 210与驱 动机构 30通电工作。 所述显示器装置 2还包括蓝牙接收器， 蓝牙接收器与控制器电性连 接， 可以通过手机连接蓝牙， 利用手机通过控制器直接控制所述驱动机构 30通电工作。
[0038] 应用于手机或者平板上的时候， 可以通过手机或平板上的开关， 通过电动伸缩杆 210调节柔性屏基板 12的大小， 从而让柔性显示屏 10变大或变小， 而且可以通过电动伸 缩杆 210让手机或平板从屏膜的上下左右的任一方向移动，也可以上下拉伸或左右拉伸或 左上、 左下、 右上、 右下拉伸， 还可以通过驱动机构 30调节屏幕的凸起或凹下， 当手机 或者平板自由落体快速下落的时候， 显示器底座上的速度传感器， 会感应速度， 然后通过 控制器让电动伸缩杆 210把屏幕缩回， 与此同时， 驱动机构 30驱动柔性显示屏向内形成 内凹弧面， 从而把屏幕凹下， 屏幕摔落的时候不会有破损的现象。
[0039] 应用于电视或者电脑上， 可以通过遥控器或者手机通过蓝牙接收器与电视机或电 脑里的控制器相连， 并直接通过手机利用控制器控制电动伸缩杆 210和驱动机构 30通电 工作， 让电视机或电脑的屏幕能凹下， 从而由平面变成曲面， 可以根据不同人群的的观影 状况来调整屏幕形成的外凸曲面或内凹曲面的程度，还可以让电脑或电视机的屏幕变大变 小， 利用电视机或电脑四周中部的电动伸缩杆 210， 让屏幕能单向、 双向和四侧拉伸， 从 而增大屏幕， 给人们带来更好的视觉感。
[0040] 本发明所达到的有益效果是： 该装置是一种可曲面变形的显示器装置， 该屏幕可 以用于手机或平板上， 可以随意调节屏幕 的大小， 而且在摔落的时候不会破坏屏幕， 减少人们更换屏幕的费用；可以用于电视机和电脑上，可以把电视机或电脑的屏幕由平面 变成曲面，还可以调节电视机或电脑屏幕的大小，给人们使用的时候提供一个更舒适使用 的显示屏。
[0041] 最后应说明的是： 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可 以对前述各实施例所记载的技术方案进行修改， 或者对其中部分技术特征进行等同替换。 凡在本发明的精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明 的保护范围之内。

Claims

权 利 要 求 书
1.一种可曲面变形的显示器装置，其特征在于，包括柔性显示屏（10)、柔性变形板（20)、 驱动机构 （30) 、 壳体 （50) ， 所述驱动机构 （30) 与壳体 （50) 固定连接； 所述柔性变 形板 （20) 与柔性显示屏 （10) 背面固定；
还包含撑开机构 （40) ， 所述撑开机构 （40) 包含刚性薄板 （41) 和支撑架 （43) ， 所述刚性薄板（41)两端与支撑架（43)活动连接；所述刚性薄板（41)与柔性变形板（20) 粘接固定；
所述驱动机构 （30)包含驱动杆（31) ； 所述驱动杆（31)沿轴向方向向内或向外运 动， 驱动所述刚性薄板（41)外凸弧形变形或内凹弧形变形实现可变形显示屏（10) 由平 面显示变为外凸曲面显示或内凹曲面显示。
2.根据权利要求 1所述的一种可曲面变形的显示器装置， 其特征在于， 所述驱动杆 （31) 的移动距离 h满足以下公式：
C = L * (1 + δ) = 27? arcsin(L / 2R) , 且 h<R-^R2 -(L/2)2 ； 其中：
C =柔性显示屏 （10) 外凸或内凹时横向弧长；
L=柔性显示屏 （10) 外凸或内凹时横向的弦长；
arcsin=反正弦函数；
δ=柔性显示屏 （10) 伸长率； R=半径；
h=驱动杆 （31) 轴向移动距离。
3.根据权利要求 1 所述的一种可曲面变形的显示器装置， 其特征在于， 所述柔性显示屏 (10)包含柔性屏基板（12)和若干个显示单元（11) ， 所述柔性屏基板（12)与所述柔 性变形板 （20) 通过粘接相连， 粘接方式包含全面粘接或网状粘接， 所述刚性薄板 （41) 变形带动所述柔性变形板（20)变形， 进而使所述柔性屏基板（12)变形， 避免造成所述 柔性屏基板 （12) 受力不均破裂或变形不一致， 导致显示异常。
4.根据权利要求 3 所述的一种可曲面变形的显示器装置， 其特征在于， 所述柔性变形板 (20) 包含整体柔性板或网状板。
5.根据权利要求 1所述的一种可曲面变形的显示器装置， 其特征在于， 所述驱动杆（45) 通过连接块 (42)与所述刚性薄板（41)连接； 所述连接块 (42)包含长条型矩形板， 其竖直 设置并固定在所述刚性薄板（41 )中部，所述驱动杆（45)驱动连接块 (42)使刚性薄板（41 ) 变形。
6.根据权利要求 4 所述的一种可曲面变形的显示器装置， 其特征在于， 所述柔性屏基板 (12) 采用可记忆变形材料、 柔性塑料材料或柔性纤维材料制成。
7.根据权利要求 1所述的一种可曲面变形的显示器装置， 其特征在于， 刚性薄板（41)包 括不锈钢薄板、 塑料薄板制成或复合材料薄板。
8.根据权利要求 1所述的一种可曲面变形的显示器装置，其特征在于，所述刚性薄板（41) 包括不锈钢材料或塑料材料制成。
9.根据权利要求 1所述的一种可曲面变形的显示器装置，其特征在于，所述刚性薄板（41) 两端包含滑块（410) ， 所述滑块（410)包含跑道型的限位孔（413) ， 所述支撑架 （43) 包括限位轴 （44) ； 所述限位轴 （44) 与限位孔 （413) 活动连接， 所述驱动杆 （31) 沿 轴向方向向内或向外运动， 所述刚性薄板（41)的外凸弧形变形或内凹弧形变形的弧度被 限位孔 （413) 限定。
10. 根据权利要求 9所述的一种可曲面变形的显示器装置，其特征在于，所述限位孔 (413) 包含的内端孔 (411)和外端孔 (412)，所述内端孔 (411)和外端孔 (412)之间的距离 D满足以 下公式：
Figure imgf000013_0001
C = 2R arcsin(L / 2/?) = L * (1 + δ) ; 其中：
C =柔性显示屏 （10) 外凸或内凹时横向弧长；
L=柔性显示屏 （10) 外凸或内凹时横向的弦长；
arcsin=反正弦函数； δ=柔性显示屏 （10) 伸长率；
R=半径；
M=柔性显示屏 （10) 到刚性薄板 (41)的距离；
D=内端孔 (411)和外端孔 (412)之间的距离。
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