CN107408358B - Scroll type flexible display - Google Patents
Scroll type flexible display Download PDFInfo
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- CN107408358B CN107408358B CN201580076858.9A CN201580076858A CN107408358B CN 107408358 B CN107408358 B CN 107408358B CN 201580076858 A CN201580076858 A CN 201580076858A CN 107408358 B CN107408358 B CN 107408358B
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- roll
- flexible display
- scroll
- shell
- housing
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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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The scroll type flexible display comprises a scroll (10), a scroll (20) rotationally connected to the scroll (10), an input flexible display screen (30) connected to the scroll (20) and a driving part connected with the scroll (20), wherein the scroll (10) comprises a first shell (11) and a second shell (13) which can be separated from the first shell (11), the first shell (11) is clamped on the second shell (13), the input flexible display screen (30) and the driving part are contained between the first shell (11) and the second shell (13), and the input flexible display screen (30) and the driving part interact to enable the input flexible display screen (30) to be collected in the scroll (10) or extend out of the scroll (10). Be equipped with first casing (11) with second casing (13) lock forms detachable reel (10), not only is convenient for assemble reel (20) in reel (10), input flexible display screen (30) etc. and is more convenient when changing, maintaining reel (10), reel (20) or input flexible display screen (30) moreover.
Description
Technical Field
The invention relates to the field of electronic communication, in particular to a scroll type flexible display.
Background
Electronic devices such as mobile phones, handheld computers, and notebooks are widely used in life, users generally operate the electronic devices through a touch screen or an external keyboard, and with the development of high technology, consumers have increasingly high requirements for portability and diversification of the electronic devices. For example, the electronic device is reduced in size, is convenient to carry, and is provided with a touch screen to improve operability. However, it is obvious that carrying an external operation device, such as a display or a flexible keyboard, for convenience of operation will increase the burden on the user. In view of the above, in the prior art, a reel type flexible keyboard is designed, which can be wound in a reel for convenient storage and carrying; the display screen is more beneficial to a user to control the electronic device compared with the keyboard, but the display is large in size, difficult to store and inconvenient to carry.
Disclosure of Invention
The embodiment of the invention provides a scroll type flexible display, which can be used for accommodating a flexible display screen.
The invention discloses a scroll type flexible display, which comprises a scroll, a scroll which is rotatably accommodated in the scroll, a flexible display screen connected to the scroll and a driving part connected with the scroll, wherein the flexible display and the driving part are accommodated in the scroll, and the scroll and the driving part interact to enable the flexible display screen to be folded in the scroll or extend out of the scroll.
The winding drum comprises a first shell and a second shell which can be separated from the second shell, the first shell comprises a clamping part, and the second shell comprises a buckling part which is buckled with the clamping part of the first shell.
The first shell comprises two first end plates which are oppositely arranged, a space for accommodating the reel is formed between the two first end plates, and the clamping part is positioned outside the space for accommodating the reel in the first shell.
The second shell comprises two second end plates which are oppositely arranged, a space for accommodating the reel is formed between the two second end plates, and the buckling part is positioned outside the space for accommodating the reel in the second shell.
The first end plate and the second end plate are provided with notches, the first end plate is respectively jointed with the second end plate, the notch of each first end plate is communicated with the corresponding notch of the second end plate to form a shaft hole, and the two opposite ends of the scroll are rotatably arranged in the two shaft holes.
The winding drum further comprises a limiting ring, a convex pipe is formed at one end of the winding drum, and the limiting ring is sleeved on the convex pipe.
The first shell and the second shell comprise pipe bodies, the pipe bodies are in butt joint to form the convex pipe, the clamping part is formed in the pipe body of the first shell, and the buckling part is formed in the pipe body of the second shell.
The first shell comprises a first vertical plate separated from the first end plate, the second shell comprises a second vertical plate separated from the second end plate, the clamping part is close to the first vertical plate, and the clamping part is formed on the second vertical plate.
The winding drum further comprises an end cover, and the limiting ring is clamped on the end cover and is fixed on one side of the winding drum side by side with the end cover.
The reel comprises a first shaft body and a second shaft body which can be separated, and the first shaft body is clamped on the second shaft body.
The scroll type flexible display further comprises a flexible input device attached to the flexible display screen.
One end of the flexible display screen is provided with a connecting plate, and a clamping hook clamped with the scroll is formed on the connecting plate.
The scroll type flexible display is rotatably accommodated in the scroll through the flexible display screen and the scroll, and is freely released, so that the volume of the flexible display is reduced, and the flexible display is convenient to carry and use; and the flexible display screen is convenient to replace and maintain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a roll-to-roll flexible display provided by the present invention, wherein an electronic device is mounted on the roll.
Fig. 2 is an exploded schematic view of the roll to roll flexible display shown in fig. 1.
Fig. 3 is a schematic structural diagram of a first housing of the roll-to-roll flexible display shown in fig. 2.
Fig. 4 is an enlarged schematic view of a part of the structure of the first housing of the roll-to-roll flexible display shown in fig. 3.
Fig. 5 is a schematic structural diagram of a second housing of the roll to roll flexible display shown in fig. 2.
Fig. 6 is an exploded view of the first shaft body, the second shaft body and the input flexible display screen of the roll type flexible display roll shown in fig. 2.
Fig. 7 is a partial structural schematic view of the roll to roll flexible display shown in fig. 1.
Fig. 8 is a partially assembled schematic view of the driving part of the roll to roll flexible display shown in fig. 2.
Fig. 9 and 10 are schematic sectional views of the drive portion shown in fig. 7 taken at different sectional lines.
Fig. 11 is an exploded schematic view of an end cap and a second speaker on the roll to roll flexible display of fig. 2.
Fig. 12 is a schematic view of another angle of the driving button shown in fig. 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The present invention provides a roll flexible display, and the roll flexible display according to the embodiment of the present invention is used in, but not limited to, a mobile phone, a tablet computer, a palm computer, a Personal Digital Assistant (PDA), an electronic reader, and the like, and the embodiment of the present invention is not limited thereto.
Referring to fig. 1 to 4, in the present embodiment, the roll type flexible display includes a roll 10, a roll 20, a flexible display screen 30 connected to the roll 20, a driving portion (not shown) connected to the roll 20, a battery 50 and a circuit board 60, wherein the roll 10 is provided with speakers 70 and 80 (see fig. 7 and 9) and a touch switch assembly 90. The flexible display screen 30 is a touch display screen. The battery 50 and the circuit board 60 are accommodated in the reel 20. The winding shaft 20 and the driving portion are accommodated in the winding drum 10, the driving portion drives the winding shaft 20 to rotate so that the flexible display screen 30 is wound on the winding shaft 20 or released from the winding shaft 20, and one end of the flexible display screen 30 is exposed out of the winding drum 10 so that the flexible display screen 30 is stretched out of the winding drum 10. The battery 50 is electrically connected to the circuit board 60. The flexible display screen 30 is electrically connected to the circuit board 50. The speakers 70 and 80 are respectively located at two ends of the reel 10 for playing the electronic device applied to the reel-to-reel flexible display.
Referring to fig. 2, in the present embodiment, the reel 10 includes a hollow cylindrical body (not shown), an outer end plate 15 and an end cap 17. The body comprises a first shell 11 and a second shell 13 which is in a symmetrical structure with the first shell 11. It is also understood that the reel 10 includes a first housing 11 and a second housing 13 disposed opposite the first housing 11. The first housing 11 and the second housing 13 are formed by dividing the winding drum 10 along an axis, in this embodiment, the first housing 11 forms an upper half portion of the winding drum 10, and the second housing 13 forms a lower half portion of the winding drum 10. The first housing 11 has a first end 1111 and a second end 1112. The first housing 11 includes an arc-shaped surface 111 having a semicircular cross section and two opposite first end plates 112 and 113. The first end 1111 and the second end 1112 are two ends of the first housing 11 on the axis. The first end plate 112 and the first end plate 113 are oppositely disposed on the arc-shaped surface 111, a first groove 114 is defined by the first end plates 112 and 113 and the arc-shaped surface 111 located between the first end plates 112 and 113, and the first end plate 112 and the first end plate 113 are groove walls of the first groove 114. The first end plate 112 is a thin plate with a semicircular cross section, and is disposed on the arc-shaped surface 111 and close to the first end 1111. A first riser 118 (as shown in fig. 4) is further disposed on the arc-shaped surface 111 between the first end plate 112 and the first end 1111, a first end groove 116 is formed between the first riser 118 and the first end 1111, and a second groove 117 is formed between the first riser 118 and the first end plate 112. The first end plate 113 is disposed on the second end 1112 and closes the second end 1112.
Referring to fig. 5, the second housing 13 includes a third end 1311, a fourth end 1332, an arc surface 131 with a semicircular cross section, and two opposite second end plates 132 and 133. The third end 1311 and the fourth end 1332 are two ends of the second housing 13 on the axis. The second end plate 132 and the first end plate 133 are oppositely disposed on the arc-shaped surface 131, and a third groove 134 is defined by the second end plates 132 and 133 and the arc-shaped surface 131 between the second end plates 132 and 133. The second end plate 132 is a thin plate with a semicircular cross section, and is disposed on the arc surface 131 and near the third end 1311. A second riser 138 is further disposed on the arc-shaped surface 131 between the second end plate 132 and the third end 1311, a second end groove 136 is formed between the second riser 138 and the third end 1311, and a fourth groove 137 is formed between the second riser 138 and the second end plate 132. The second end plate 133 is disposed on the fourth end 1332 and closes the fourth end 1332. In the present invention, the first housing 11 and the second housing 13 are fastened, the first groove 114 and the third groove 134 are joined to form an accommodating cavity, the second groove 117 and the fourth groove 137 are joined to form a second cavity, the first end groove 116 and the second end groove 136 are joined to form a first cavity, and the first end 1111 and the third end 1311 are joined to form a port (not shown). The first cavity is located at one end of the winding drum 10 and is communicated with the outside through the port, and the outer end plate 15 covers the port to seal the first cavity. The accommodating cavity, the second cavity and the first cavity are sequentially arranged along the axis of the winding drum 10.
Further, the first end plate 112 and the first end plate 113 are both provided with a notch 119; the second end plate 132 and the second end plate 133 are both provided with a notch 139, and the notch 119 of the first end plate 113 protrudes outwards along the periphery to form a semi-circular tube 115 coaxial with the first housing 11. The second end plate 133 has a semi-circular tube 135 protruding outward from the periphery thereof near the notch 139, and is coaxial with the second housing 13. When the first housing 11 is fastened to the second housing 13, the two first end plates 112 and 113 are respectively aligned with the two second end plates 132 and 133, wherein the notch 119 of each first end plate 112 and 113 is aligned with the corresponding notch 139 of the second end plate 132 and 133 to form a shaft hole. That is, the first end plate 112 and the second end plate 132 are abutted to form a shaft hole by the notch 119 and the notch 139; the first end plate 113 is matched with the second end plate 133, and another shaft hole is formed by the notch 119 and the notch 139; meanwhile, the semicircular tube body 115 and the semicircular tube body 135 enclose a convex tube 14 (see fig. 6), and the convex tube 14 protrudes out of one end of the winding drum 10. The two shaft holes are communicated with the containing cavity, the reel 20 is contained in the containing cavity, and two opposite ends of the reel are rotatably arranged in the two shaft holes. Wherein the first end plate 113 and the second end plate 133 are combined to form a main end plate of the winding drum 10. The main end plate and the ports constitute the opposite ends of the body, i.e. the spool 10, respectively, the outer end plate 15 covering the ports, and the end caps 17 being close to the main end plate.
Referring to fig. 2 to 5 again, a retaining portion is disposed near one first end plate 112 of the two first end plates 112, 113, a retaining portion is disposed at an outer side of the other first end plate 113 of the first housing 11, and a fastening portion is disposed on each of the two second end plates 132, 133 opposite to the retaining portions of the two first end plates 112, 113. The clamping part is a buckle, a positioning column, a clamping groove or a positioning hole, and the buckling part is a buckle, a positioning column, a clamping groove or a positioning hole matched with the clamping part. Referring to fig. 2 and fig. 3, in this embodiment, two clamping slots 1132 are disposed on the surface of the semicircular tube 115 of the first end plate 113 facing the arc surface 111, and two clamping hooks 1334 clamped with the clamping slots 1132 are disposed on the semicircular tube 135 of the second end plate 133 opposite to the semicircular tube 115. The arc-shaped surface 111 of the first shell 11 is provided with a buckle 1113 near the first vertical plate 118 near the outer side of the first end plate 112, and a positioning column 1133 is arranged on the side of the first shell 11 near the first end 1111; correspondingly, a retaining protrusion 1313 is disposed on the second vertical plate 138 of the second casing 13 outside the second end plate 132, and a positioning hole 1333 is disposed on the side of the second casing 11 near the third end 1311. The buckle 1113 of the first housing 11 is clamped with the clamping protrusion 1313 of the second housing 13, the card slot 1132 of the first housing 11 is clamped with the buckle 1334 of the second housing 13, and the positioning post 1133 of the first housing 11 is inserted into the positioning hole 1333 of the second housing 13, so as to realize the clamping between the first housing 11 and the second housing 13. In other embodiments, the retaining portions may be disposed on the two second end plates 132 and 133, and the fastening portions may be disposed on the two first end plates 112 and 113, as long as the first shell 11 and the second shell 13 can be retained and fixed.
It is understood that the reel 10 may be provided with an opening at the end of the body, and the flexible display 30 and the reel 20 are shielded by the end cover 17 and the outer end plate 15 to be taken in and out through the opening of the reel.
The scroll type flexible display is rotatably accommodated in the scroll 10 through the scroll 20 by the flexible display screen 30 and is freely released, so that the volume of the flexible display is reduced, and the scroll type flexible display is convenient to carry and use. The first shell 11 and the second shell 13 are buckled to form the winding drum 10, and the clamping part and the buckling part are clamped and fixed, so that not only are components such as the winding drum 20 and the flexible display screen 30 in the winding drum 10 convenient to assemble, but also the winding drum 10, the winding drum 20 or the flexible display screen 30 are convenient to replace and maintain, other components in the winding drum 10 basically do not need to be disassembled, the position accuracy of other components can be ensured, and the disassembling time and the disassembling difficulty are saved.
Further, a slit is provided on the first housing 11 or the second housing 13 along the axial direction, and a mounting groove 138 is provided on a surface of the first housing 11 or the second housing 13 facing away from the receiving cavity. In this embodiment, as shown in fig. 3, the slit 16 is disposed on the first housing 11 and penetrates through the accommodating cavity, and the flexible display 30 extends out of the winding drum 10 through the slit 16.
In this embodiment, the inner sidewall of the mounting groove 138 is provided with a flexible supporting protrusion 134 and a connector plug (not shown). The mounting slot 138 is used for inserting and fixing the electronic device 200, so as to facilitate the operation of the flexible display screen 30 relative to the electronic device. The flexible support protrusion 134 is used for positioning the electronic device 200. A connector plug 136 is further formed in the mounting groove 138, and the connector plug 136 is connected to the electronic device 200 and the circuit board so as to use the speakers 70 and 80 of the reel 10 to emit sound; the electronic device 200 may also be charged by the battery 50.
Referring to fig. 2 and 6, the reel 20 includes a first shaft 21 and a second shaft 23 divided along an axis thereof. The reel 20 further comprises end plates 25 at opposite ends of the reel 20 and a rotating shaft 26 protruding from the end plates 25. The scroll 20 is a hollow tube, and the cross sections of the first shaft body 21 and the second shaft body 23 are semi-circular structures. The first shaft body 21 includes a first receiving groove 211, and the second shaft body 23 includes a second receiving groove 231. The inner wall (not shown) of the first receiving groove 211 is an arc-shaped surface and is provided with a partition 213 in a protruding manner. The first receiving groove 211 and the second receiving groove 231 are fastened to form a cavity, and the partition plate 213 divides the cavity into a battery cavity 22 and a circuit board cavity 24. For the sake of understanding, the number leads of the battery cavity 22 and the circuit board cavity 24 are directed to the partial cavities of the first shaft body 21. The battery 50 is disposed in the battery cavity 22, the circuit board 60 is disposed in the circuit board cavity 24, and the battery 50 is electrically connected to the circuit board 60 and supplies power to the flexible display 30. In this embodiment, a partition (not shown) is further disposed on the second receiving groove 231 opposite to the partition 213, and the partition 213 and the partition on the second receiving groove 231 are involutory to separate the battery cavity 22 and the circuit board cavity 24. Further, the two end plates 25 are respectively installed at two ends of the first receiving groove 211 and close two ends of the cavity, the rotating shaft 26 is located at the outer side of the end plates 25, and the reel 20 is rotatably installed in the shaft hole of the winding drum 10 through the rotating shaft 26. Two of the end plates 25, the rotating shaft 26 and the partition plate 213 are provided with circuit holes (not shown) communicated with the first receiving groove 211. It is understood that the reel 20 may be integrally formed, and the circuit board and the battery may be accommodated in the reel 10 side by side with the reel.
The scroll type flexible display of the invention sets the scroll 20 as the first detachable structure, and the battery 50 is arranged in the cavity of the scroll 20, and the structure for accommodating the battery 50 is not required to be additionally arranged on the scroll 10, so that the overall structure is compact, the overall volume of the scroll type flexible display can be reduced, and the scroll type flexible display is convenient to carry. Moreover, the circuit board 60 is mounted inside the reel 20 to further reduce the overall volume.
Further, a first rib 214 and a second rib 215 are disposed on the inner wall of the first receiving groove 211 in the battery cavity 22. The first rib 214 and the second rib 215 are located on opposite sides of the inner wall of the groove, and the first rib 214 and the second rib 215 support and clamp the battery 50 together. Specifically, the first rib 214 and the second rib 215 are located on two opposite sides of the inner wall of the groove divided by the axis. The surfaces of the first protruding ribs 214 and the second protruding ribs 215 facing the battery 50 are arc-shaped surfaces, so that the surfaces of the first protruding ribs and the second protruding ribs can be attached to the surface of the battery 50 conveniently, and the clamping is firmer. The inner wall of the first receiving groove 211 in the circuit board cavity 24 is provided with a column 217 protruding in a direction perpendicular to the axis of the first receiving groove 211, the column 217 is provided with a screw hole, and the column 217 supports the circuit board 60 and is fixed to the screw hole by a screw (not shown) penetrating through the circuit board 60. Specifically, the circuit board 60 is provided with through holes corresponding to the screw holes for screws to pass through. It is understood that the inner wall of the second receiving groove 231 located in the battery cavity 22 may also be provided with ribs (not shown) opposite to the first ribs 214 and the second ribs 215 for clamping the battery 50 together with the first ribs 214 and the second ribs 215 to enhance the stability of the battery.
Furthermore, the first shaft 21 is provided with a positioning hole facing the second shaft 23, the second shaft 23 is provided with a positioning post opposite to the positioning hole, the first shaft 21 is fastened with the second shaft 23, and the positioning post is clamped in the positioning hole to fix the first shaft 21 on the second shaft 23. Specifically, the first receiving groove 211 is provided with two end walls 2111. The two end walls 2111 are respectively and tightly attached to the two end plates 25; the two end walls 2111 are provided with positioning holes 2112 facing the second receiving groove 231. The second receiving groove 231 has two end walls 2311, and the two end walls 2311 have positioning posts (not shown) corresponding to the positioning holes 2112. The first shaft body 211 is fastened to the second shaft body 231, the end wall 2311 of the second receiving groove 231 is abutted to the end wall 2111 of the first receiving groove 211, and the positioning post is clamped in the positioning hole 2112 to fix the first shaft body 211 and the second shaft body 231.
Further, a plurality of retaining grooves 216 are formed on the first shaft 21, and in this embodiment, the retaining grooves 216 penetrate through the first accommodating groove 211. It is understood that the retaining groove 216 may be provided on the second shaft body 23. One end of the flexible display screen 30 is provided with a connecting plate 32, the connecting plate 32 is provided with a hook 34 opposite to the clamping groove 216, and the connecting plate 32 is fixed with the scroll 20 through the clamping of the clamping groove 216 and the hook 34. The other end of the flexible display screen 30 is provided with a stop 31. When the flexible display screen 30 is wound on the reel 20 and is accommodated in the winding drum 10, the stop 31 is located outside the slit 16 and abuts against the winding drum 10. When the flexible display screen 30 is rolled up on the reel 20, the stop 31 abuts against the reel 10 to prevent the flexible display screen 30 from being completely pulled into the accommodating cavity of the reel 10, and when the flexible display screen 30 needs to be used, the stop 31 is held to facilitate stretching of the flexible display screen 30.
Referring to fig. 7, further, the winding drum 10 further includes a limiting ring 18, which is a circular block made of a transparent material, and the limiting ring 18 is sleeved on the protruding pipe 14 and is fixed to the protruding pipe 14 in a clamping manner; the end cover 17 and the limit ring 18 are clamped and fixed. In this embodiment, the stop collar 18 and the protruding tube 14 form a positioning structure for positioning each other. In this embodiment, the positioning structure includes a groove 141 formed on the outer side of the protruding tube 14, and a protrusion 181 formed on the inner circumferential wall of the stop collar 18 opposite to the groove 141, wherein the protrusion 181 and the groove 141 are clamped to position the stop collar 18 on the winding drum 10. The limiting ring 18 is sleeved on one end of the winding drum 10 to further fix the first shell 11 and the second shell 13, so that stability is ensured. The end cover 17 includes a bottom plate 171 and a peripheral plate 172 located at the periphery of the bottom plate 171, a retaining recess 173 (see fig. 11) is provided at the inner side of the peripheral plate 172, and a retaining protrusion 182 is provided on one end surface of the retainer ring 18 opposite to the retaining recess 173; the retaining projection 182 is retained in the retaining recess 173 to fix the end cover 17 to the spool 10. It will be appreciated that the groove 141 may be provided on the inner circumferential wall of the stop collar 18 and the projection 181 may be provided on the outside of the male tube 14. It is understood that the retaining projection 182 may be provided on the peripheral plate 172 of the end cap 17, and the retaining recess 173 is provided on the end surface of the stop collar 18. In this embodiment, one side of the stop collar 18 is adhered to the side of the winding drum 10 by glue, so as to fix the stop collar 18 to the winding drum 10. It is understood that, in order to facilitate the assembly and disassembly of the whole, the stop collar 18 may also form a snap structure facing the winding drum 10, and the winding drum 10 may also form a retaining structure, and the stop collar 18 and the winding drum 10 are fixed by the snap structure and the retaining structure. The stop collar 18 is preferably made of a resilient material to provide better tactile feedback.
Referring to fig. 2 and fig. 8-10, further, the driving portion of the present invention includes a coil spring 41, a ratchet 42, a limiting member and a driving button 45. In this embodiment, the position-limiting element is a position-limiting piece 43 perpendicular to the end surface of the ratchet 42. Correspondingly, in order to position the coil spring 41, a rotating body 29 coaxial with the spool 20 is fixed on the rotating shaft 26 on one end surface of the spool 20, the rotating body 29 is located in the second cavity, and a first blocking portion 291 is arranged on the outer periphery of the rotating body 29, and a second blocking portion 292 is arranged on the inner wall of the second cavity. In this embodiment, a first boss 1171 is disposed on an inner surface of the second groove 117, a second boss is disposed on an inner surface of the fourth groove 137, the first boss 1171 and the second boss are involuted to form a clamping gap, and the clamping gap is the second clamping position 292.
The coil spring 41 includes a first end 411 and a second end 412, the coil spring 41 is sleeved on the rotator 29, the first end 411 is engaged with the first detent 291, and the second end 412 is engaged with the second detent 292. The ratchet wheel 42 is fixed on the end surface of the rotating body 29 and is coaxial with the rotating body 29, the ratchet wheel 42 is accommodated in the first cavity, the ratchet wheel 42 comprises a plurality of wheel teeth 421, and the limiting sheet 43 is convexly arranged in the first cavity. The limiting piece 43 is used for the gear teeth 421 to support to lock the reel 20.
Referring to fig. 12, the driving button 45 includes a key plate 451, a position-limiting buckle 452 disposed on a surface of the key plate 451, a spring 453, and a supporting body 454. The outer end plate 15 is provided with a limiting clamping groove 155 and a through hole 156, and the limiting buckle 452 is clamped on the limiting clamping groove 155. The drive key 45 also includes a support post 455 extending from the key plate 451 toward the ratchet 42. The driving button 45 is disposed at an end of the winding drum 10, the spring 453 is sleeved on the supporting column 455 and abuts between the key plate 451 and the outer end plate 15, and the abutting body 454 passes through the through hole 156 and the first cavity to abut against the limiting piece 43. The supporting body 454 supports against the limiting piece 43, and the limiting piece 43 inclines to separate the gear 421 and release the ratchet 42. Referring to fig. 5 and 8, in the present embodiment, an opening is formed on the first vertical plate 118, the limiting piece 43 is disposed in the first end groove 116 of the first casing 11 and adjacent to the first vertical plate 118, and the limiting piece 43 is located at one side of the opening and faces the helical tooth 421 of the ratchet wheel 42. In this embodiment, the end of the abutting body 454 is provided with an abutting inclined surface, and the abutting inclined surface abuts against the limiting piece 43 to facilitate pushing the limiting piece 43. When the abutting inclined surface abuts against the limiting sheet 43, the limiting sheet 43 is pushed to deform outwards, so that the limiting sheet 43 is separated from the ratchet wheel 42.
In this embodiment, the first end 411 of the coil spring 41 is located at the outer periphery of the coil spring 41, and the second end 412 is located in the inner ring of the coil spring 41. The rotator 29 is a disk coaxial with the reel 20, and the rotator 29 is sleeved on a rotating shaft 26 of the reel 20 and fixed with the rotating shaft 26. The ratchet wheel 42 is provided with a side surface vertical to the axis, and the side surface of the ratchet wheel 42 is attached to the end surface of the rotator 29 and is coaxial with the reel 20. The gear teeth 421 of the ratchet wheel 42 are oblique teeth inclined in the same direction with respect to the axis, and in this embodiment, the gear teeth 421 are inclined in the clockwise direction. Each tooth 421 includes a stop surface 422 and a leading inclined surface 423 angularly connected to the stop surface 422. The limiting sheet 43 is made of a plastic material and has resilience. The stopper piece 43 extends vertically upward and has vertical side faces and a horizontal top face near the ratchet wheel 42. When the flexible display screen 30 is pulled to extend, the scroll 20 is driven by the flexible display screen 30 to rotate counterclockwise, and the ratchet 42 is also driven by the scroll 20 to rotate counterclockwise. When the ratchet wheel 42 rotates counterclockwise, the guide slopes 423 abut against the vertical side surfaces of the stopper pieces 43 one by one, thereby guiding the rotation of the ratchet wheel 42. Once pulling of the input device body 30 is stopped, the stop surface 422 of the ratchet wheel 42 abuts against the horizontal top surface of the stopper piece 43, thereby stopping the ratchet wheel 42. Also, in the process of stretching the input device main body 30, the coil spring 41 is stretched to generate a resilient force. When the flexible display screen 30 needs to be released, the limiting sheet 43 is pressed by the button 45 to incline, so that the horizontal top surface is separated from the stop surface 422, and the ratchet wheel 42 is released. Under the action of the resilience of the coil spring 41, the ratchet wheel 42 and the scroll 20 rotate clockwise, so that the flexible display screen 30 is automatically folded. When the push button 45 is released, the position-limiting piece 43 returns to the original position and abuts against the stop surface 422 of the ratchet wheel 42 again through the horizontal top surface thereof, so as to limit the ratchet wheel 42 and prevent the input device main body 30 from being folded. In this manner, the flexible display 30 can be extended to any position by selectively releasing the button 45. In this embodiment, the stop surfaces 422 are located radially of the ratchet wheel 42.
In this embodiment, the reel 20 releases the flexible display screen 30, the ratchet rotates counterclockwise, the coil spring 41 generates elastic deformation to store elastic potential energy, the rotation direction of the reel 20 for recovering the flexible display screen 30 is clockwise, the limiting plate 43 is unlocked with the gear teeth 421, and the coil spring 41 releases the elastic potential energy to generate a resilience force to rotate the reel 20, so as to recover the flexible display screen 30. Moreover, since the battery and the circuit board are installed inside the winding shaft 20, the weight of the winding shaft 20 is increased, the resilience force is reduced when the coil spring 41 rebounds, the rotation speed of the winding shaft 20 is reduced, and the flexible display screen 30 can be prevented from being damaged by pulling. The driving part of the present invention can realize the winding of the reel 20 and the release of the key body 30 and the locking of the reel 20 only by the ratchet wheel 42 and the limiting sheet 43, and has the advantages of simple structure, space saving of the reel 10 and convenient operation.
It will be appreciated that if only the drive of the spool 20 is to be achieved, the drive portion may be a drive motor, which is located at one end of the spool 10 and is electrically connected to the drive button 45.
Referring to fig. 7, the switch assembly 90 of the present invention includes a flexible touch panel 91, a circuit board 92 electrically connected to the circuit board 60, a protection layer 95, a switch 93 disposed on a surface of the circuit board 92, and a key 94 disposed on the end cap 17. The flexible touch pad 91 is used for controlling the volume of the speakers 70 and 80 on the reel 10. For example, by sliding a finger from top to bottom along the flexible touch pad 91 to reduce the volume; the volume is increased by sliding a finger from bottom to top along the flexible touch pad 91. The flexible touch pad 91 can be fixed on the limiting ring 18 only by being attached to the limiting ring, so that the structure is simple, the space is saved, and the operation is convenient. In addition, the flexible input device of the present invention may further include other electronic components, such as an illumination source, a projector, etc., besides the speakers 70 and 80, and the flexible touch pad 91 may also control the electronic components, such as adjusting the color of the illumination source, adjusting the brightness of the projector, etc.
In this embodiment, the flexible touch pad 91 includes an arc-shaped body 911 in a sheet shape and a connection segment 912 located at one side of the body 911. The connecting segment 912 extends along the axial direction of the main body 911. The main body 911 is a touch pad function area for implementing a touch function. The circuit board 92 is received in the end cap 17 and is perpendicular to the circuit board 60. An interface 921 is arranged on the circuit board 92, and the connection section 912 and the interface 921 are plugged to realize the electrical connection between the flexible touch panel 91 and the circuit board 92. Preferably, the connection section 912 is a flexible circuit board. A support sheet 183 is convexly arranged on one end surface of the limit ring 18 along the axial direction, and the support sheet 183 supports the connection section 912, so that the connection section 912 has enough strength to prevent bending damage. The flexible circuit board extends from the main body 911 to a direction away from the main body 911 and then bends to be connected with the interface 921 of the circuit board 92. The protective layer 95 is a ring body made of a transparent material, and the protective layer 95 is mounted on the limiting ring 18 and covers the flexible touch pad 91. The flexible touch pad 91 is attached to the outer ring surface of the limit ring 18. The stop collar 18 is sleeved on and clamped on the protruding tube 14. The circuit board 92 is fixed inside the end cap 17 and electrically connected to the flexible touch panel 91. The retaining protrusion 182 of the stop collar is retained in the retaining recess 173 of the end cover, so that the end cover 17 is fixed to the stop collar 18 side by side.
In this embodiment, a user can conveniently find the position of the flexible touch pad 91 and ensure the operation of the flexible touch pad 91, and the protective layer 95 is provided with an indication mark, which is opposite to the flexible touch pad 91. The circuit board 92 is further provided with an indicator light 923 facing the end cover 17 and the limiting ring 18, i.e., the two opposite surfaces of the circuit board 92 are respectively provided with the indicator light 923. The indicator 923 of circuit board 92 towards spool 20 one side is the luminous LED of side, and the light that its sent passes spacing ring 18, flexible touch panel 91 and protective layer 95 in proper order. The indicator 923 on the side of the circuit board 92 facing the keys 94 is a positive LED that emits light through the through hole in the end cap 17 and the keys 94. Therefore, the flexible touch pad 91 and the keys 94 are illuminated, and a user can quickly find the positions of the flexible touch pad 91 and the keys 94 for operation.
Referring to fig. 12, the key 94 has an inner surface and a pressing surface 941, the key 94 is mounted on the end cap 17, and the inner surface faces the bottom plate 171 of the end cap 17. The inner surface is provided with a pressing column 942, a limiting clamping hook 943 and a guide column 944. The end cover 17 is provided with a through hole 174, a limiting slot 176 and a guiding hole 179 on the bottom plate 171 at a position opposite to the key 94, the pressing column 942 passes through the through hole 174 to be abutted against the switch 93, the guiding column 944 is inserted into the guiding hole 179, and the limiting hook 943 is clamped in the limiting slot 176. Pressing the guiding post 944 of the key 94 presses and triggers the switch 93 to open the roll flexible display, i.e. the switch 93 is the main switch of the roll flexible display.
Further, a through groove is further formed in the end cover 17, and a USB interface (not shown) is further disposed on the circuit board 92, and the USB interface is opposite to and communicated with the through groove. The USB interface may charge the roll-to-roll flexible display.
Referring to fig. 8 and 11, the speakers 70 and 80 of the present invention include a first speaker 70 and a second speaker 80. The first speaker 70 and the second speaker 80 are electrically connected to the circuit board 60 and the connector plugs of the mounting grooves 138 of the first housing. The outer end plate 15 is provided with a first sound outlet hole region 152. The first housing 11 is provided with a first chamber (not shown) for accommodating the first speaker 70, and the first chamber is located in the first housing 11 adjacent to the outer end plate 15 and is closed by the outer end plate 15. The first acoustic port region 152 communicates with the first chamber. The first speaker 70 is accommodated in the first chamber, and the sound generating position faces the first sound outlet hole area 152, which is more favorable for the sound diffusion of the first speaker 70.
In this embodiment, a first opening groove 121 is formed at a port position on the first housing 11, and is located in the first end groove 116 of the first cavity, and the first opening groove 121 and the first end groove 116 share a groove wall, that is, the first vertical plate 118. The first casing 11 also has formed thereon a vertical spacer 1115 connected to the first riser 118. One section of the partition plate 1115 is perpendicular to the first riser 118, and the other end is perpendicular to the outer end plate 15, and the partition plate 1115 connects the first riser 118 and the outer end plate 15. The partition plate, the first vertical plate 118, the outer end plate 15 and the arc-shaped surface 111 together enclose a lower portion forming a first chamber, i.e., a first opening groove 121. A second opening groove 122 is formed at the port position of the second housing 13, and is located in a second end groove 136 forming the first cavity. The second open slot 122 has a common slot wall with the second end slot 136, i.e., the second riser 138. The second casing also forms a spacer 1315 that connects vertically to the second riser 138. The partition 1315, the second vertical plate 138, and the arc-shaped surface 131 together enclose an upper portion of the first chamber, i.e., the second opening groove 122, which is communicated with the first opening groove 121 to form the first chamber. In other words, the first opening groove 121 is matched with the second opening groove 122, and the outer end plate 15 shields the side opening of the second opening groove 122, thereby forming the first chamber. The partition plate partitions the first speaker 70 located in the first chamber from the driving part.
Further, two opposite positioning blocks (not shown) are disposed in the first chamber, and the first speaker 70 is clamped between the two positioning blocks. A boss (not shown) is convexly arranged in the first opening groove 121 relative to the groove wall of the second opening groove 122, so as to assist the positioning of the first speaker 70 in the first chamber.
Referring to fig. 11, a second cavity (not shown) for accommodating a second speaker 80 and a second sound outlet area 82 are further disposed on the end cap 17. The sound-emitting position of the second speaker 80 faces the second sound-emitting hole region 82, and the second sound-emitting hole region 82 is communicated with the second chamber. In this embodiment, the bottom plate 171 is provided with a baffle 177. The baffle 177 is connected the bottom plate 171 and the peripheral plate 172 and encloses into a slot 178, the second sound outlet hole area 82 is arranged on the peripheral plate 172 forming the slot 178 part, the end cover 17 further comprises a blocking piece 175, a blocking piece 1751 is convexly arranged on the surface of the blocking piece 175 facing the second cavity 172, the blocking piece 175 covers the slot 178 to form the second cavity, and the blocking piece 1751 extends into the second cavity and supports the second loudspeaker 80 to be positioned in the second cavity 172. A notch 1752 is arranged on one side edge of the blocking plate 175, and the wire of the second loudspeaker 80 can pass through the notch 1752 conveniently. The stop tab 175 is parallel to the base plate 171 and the stop tab 2751 is perpendicular to the base plate 171.
The first speaker 70 is electrically connected to the circuit board 60 inside the spool 20 through a wire passing through the center through hole of the ratchet 42 and the through hole of the rotation shaft 26. The circuit board 60 is electrically connected to the battery 50 through a lead wire passing through the slit of the partition 213. The battery 50 is electrically connected to the circuit board 92 by a wire passing through the through hole of the rotating shaft 26. The circuit board 92 is connected to the second speaker 80 by a wire passing through the notch 1752. Thus, a complete current loop is formed throughout the spool 10.
The speakers 70, 80 of the present invention can play the audio of the electronic device 200 using the flexible display 30 with the external sound. The first sound outlet hole area 152 and the second sound outlet hole area 82 are oriented differently, and the first speaker 70 and the second speaker 80 are located at two ends of the reel 10, so that the first speaker 70 can make sound along the axial direction to the side, and the second speaker 80 makes sound along the radial direction perpendicular to the axial direction of the reel 10 (i.e. towards the user), thereby improving the sound making area and effect of the reel 10.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The scroll type flexible display is characterized by comprising a scroll, a scroll which is rotatably accommodated in the scroll, a flexible display screen connected to the scroll and a driving part connected with the scroll, wherein the flexible display and the driving part are accommodated in the scroll;
the winding drum comprises a first shell and a second shell which can be separated from the second shell, the first shell comprises a clamping part, and the second shell comprises a buckling part which is buckled with the clamping part of the first shell;
the first shell comprises two first end plates which are oppositely arranged, a space for accommodating the reel is formed between the two first end plates, and the clamping part is positioned outside the space for accommodating the reel in the first shell.
2. The roll-to-roll flexible display according to claim 1, wherein the second housing comprises two oppositely disposed second end plates, a space for receiving the roll is formed between the two second end plates, and the fastening portion is located outside the space for receiving the roll.
3. The roll-to-roll flexible display according to claim 2, wherein both of the first end plate and the second end plate are provided with notches, the first end plate and the second end plate are respectively abutted, the notch of each first end plate is communicated with the corresponding notch of the second end plate to form a shaft hole, and two opposite ends of the roll shaft are rotatably mounted in the two shaft holes.
4. The roll-to-roll flexible display of claim 2, wherein the roll further comprises a retaining ring, one end of the roll forming a protruding tube, the retaining ring being fitted over the protruding tube.
5. The roll to roll flexible display according to claim 4, wherein the first housing and the second housing each comprise a tube, the tubes are abutted to form the protruding tube, the retaining portion is formed in the tube of the first housing, and the locking portion is formed in the tube of the second housing.
6. The roll to roll flexible display of claim 2, wherein the first housing comprises a first riser spaced from the first end panel, the second housing comprises a second riser spaced from the second end panel, the catch is proximate to the first riser, and the catch is formed on the second riser.
7. The roll to roll flexible display of claim 4, wherein the roll further comprises an end cap, and the stop ring is snapped onto the end cap and is fixed to one side of the roll alongside the end cap.
8. The scrolling flexible display of claim 7, wherein the scroll comprises a first shaft and a second shaft which are separable, and the first shaft is engaged with the second shaft.
9. The roll-to-roll flexible display of claim 1, further comprising a flexible input device affixed to the flexible display screen.
10. The roll type flexible display device according to claim 1, wherein a connection plate is disposed at one end of the flexible display screen, and a hook is formed on the connection plate and is engaged with the roll.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/099978 WO2017113243A1 (en) | 2015-12-30 | 2015-12-30 | Rollable and flexible display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107408358A CN107408358A (en) | 2017-11-28 |
| CN107408358B true CN107408358B (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580076858.9A Expired - Fee Related CN107408358B (en) | 2015-12-30 | 2015-12-30 | Scroll type flexible display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107408358B (en) |
| WO (1) | WO2017113243A1 (en) |
Families Citing this family (21)
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|---|---|---|---|---|
| CN108508979A (en) * | 2018-06-29 | 2018-09-07 | 合肥联宝信息技术有限公司 | Electronic equipment |
| KR102478444B1 (en) * | 2018-07-03 | 2022-12-15 | 엘지디스플레이 주식회사 | Display device |
| CN112489532B (en) * | 2019-02-16 | 2022-08-12 | 李佳琰 | Scroll structure for Chinese language display |
| CN110047384B (en) * | 2019-04-30 | 2024-02-20 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| WO2020223874A1 (en) * | 2019-05-06 | 2020-11-12 | 深圳市柔宇科技有限公司 | Portable display device |
| CN110033707B (en) * | 2019-05-06 | 2024-03-26 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN110428741B (en) * | 2019-08-13 | 2022-03-01 | 京东方科技集团股份有限公司 | Electronic device |
| TWI726417B (en) | 2019-09-12 | 2021-05-01 | 元太科技工業股份有限公司 | Electronic apparatus |
| CN112489557B (en) * | 2019-09-12 | 2023-03-31 | 元太科技工业股份有限公司 | Electronic device |
| CN110728912B (en) * | 2019-10-23 | 2021-12-07 | Oppo（重庆）智能科技有限公司 | Flexible screen assembly and electronic equipment |
| CN211455156U (en) * | 2020-01-22 | 2020-09-08 | 华为技术有限公司 | Display module and electronic equipment |
| CN111462630B (en) * | 2020-04-17 | 2021-12-14 | 合肥维信诺科技有限公司 | Rollable display device |
| CN111564114B (en) * | 2020-06-15 | 2022-04-26 | 京东方科技集团股份有限公司 | Reel and reel type display panel |
| CN111833740B (en) * | 2020-06-16 | 2022-08-19 | 京东方科技集团股份有限公司 | Flexible display device |
| CN111664337A (en) * | 2020-06-30 | 2020-09-15 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN111798752B (en) * | 2020-06-30 | 2022-08-19 | 联想(北京)有限公司 | Electronic device and display method thereof |
| US12019479B2 (en) | 2020-06-30 | 2024-06-25 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display device |
| CN112271264B (en) * | 2020-10-19 | 2022-12-09 | 江西鑫彩晨光电科技有限公司 | Packaging structure of flexible display screen |
| CN112558696A (en) * | 2020-12-22 | 2021-03-26 | 维沃移动通信有限公司 | Electronic device |
| CN112901740A (en) * | 2021-01-15 | 2021-06-04 | 杭州宇昌智慧科技有限公司 | Flexible transmission system for reel |
| CN113194177B (en) * | 2021-04-30 | 2023-02-24 | 维沃移动通信有限公司 | Reel, flexible screen assembly and electronic equipment |
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| JP2000132122A (en) * | 1998-10-28 | 2000-05-12 | Fuji Photo Film Co Ltd | Scroll-type display capable of continuous display |
| WO2007072234A1 (en) * | 2005-12-20 | 2007-06-28 | Polymer Vision Limited | Display device having an extendable flexible screen rollable around a batter |
| JP2008052040A (en) * | 2006-08-24 | 2008-03-06 | Fujifilm Corp | Display device |
| CN101685581B (en) * | 2008-09-28 | 2012-05-09 | 联想(北京)有限公司 | Rolled display device, notebook computer and electronic equipment |
| CN201655172U (en) * | 2009-05-26 | 2010-11-24 | 周海鸥 | Roll-type video auxiliary play display |
| TW201128594A (en) * | 2010-02-11 | 2011-08-16 | Ind Tech Res Inst | Flexible display device |
| KR101400298B1 (en) * | 2012-06-14 | 2014-06-27 | 삼성디스플레이 주식회사 | Display device |
| CN202949465U (en) * | 2012-12-10 | 2013-05-22 | 王良波 | Flexible display system |
| CN203057227U (en) * | 2012-12-19 | 2013-07-10 | 浙江中呼科技有限公司 | Scroll type smart phone |
| US9244494B2 (en) * | 2013-06-06 | 2016-01-26 | Matthew C. Hinson | Electronic retractable blueprint display device for viewing and manipulating full-size and half-size architectural, engineering, and construction plans |
| US20150029229A1 (en) * | 2013-07-27 | 2015-01-29 | Sharp Laboratories Of America, Inc. | Adjustable Size Scrollable Display |
| CN104751739B (en) * | 2013-12-25 | 2018-06-22 | 昆山工研院新型平板显示技术中心有限公司 | Flexible Displays backboard and flexible display apparatus |
| CN204348276U (en) * | 2014-10-16 | 2015-05-20 | 中兴通讯股份有限公司 | Display terminal |
| CN104410731A (en) * | 2014-10-17 | 2015-03-11 | 周士志 | Multifunctional reel communicator |
| CN104680943B (en) * | 2015-03-16 | 2017-07-25 | 京东方科技集团股份有限公司 | A kind of display screen and display device |
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2015
- 2015-12-30 CN CN201580076858.9A patent/CN107408358B/en not_active Expired - Fee Related
- 2015-12-30 WO PCT/CN2015/099978 patent/WO2017113243A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN107408358A (en) | 2017-11-28 |
| WO2017113243A1 (en) | 2017-07-06 |
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Address after: Shenzhen City, Guangdong province 518052 Keyuan Road, Nanshan District science and Technology Park No. 15 Science Park Sinovac A4-1501 Patentee after: Shenzhen Ruoyu Technology Co.,Ltd. Address before: Shenzhen City, Guangdong province 518052 Keyuan Road, Nanshan District science and Technology Park No. 15 Science Park Sinovac A4-1501 Patentee before: SHENZHEN ROYOLE TECHNOLOGIES Co.,Ltd. |
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