CN115909903B - A flexible graphene screen and preparation method thereof - Google Patents

Abstract

The invention relates to the field of flexible screens, in particular to a flexible graphene screen and a preparation method thereof, wherein the flexible graphene screen comprises a shell and a graphene flexible screen, a main support plate is fixedly arranged on the shell, an auxiliary support plate is transversely and slidably connected with the main support plate, the auxiliary support plate is positioned behind the main support plate, the graphene flexible screen is divided into a main screen area and an auxiliary screen area, the rear side surface of the main screen area of the graphene flexible screen is fixed on the front side surface of the main support plate, and a screen gap is reserved between the rear side surface of the main support plate and the front side surface of the auxiliary support plate; the back side of the main support plate is provided with a transverse first sticky part, one end of the first sticky part is positioned at the end part of the main support plate, the front side of the auxiliary support plate is provided with a second sticky part, the back side of the auxiliary screen area of the graphene flexible screen is fixedly provided with a third sticky part, the auxiliary screen area of the graphene flexible screen is positioned in a screen gap when the screen is in a folded state, and the auxiliary screen area and the main screen area are unfolded to form a large screen when the screen is in an unfolded state. The screen size is adjusted through the scheme.

Description

Flexible graphene screen and preparation method thereof

Technical Field

The invention relates to the field of flexible screens, in particular to a flexible graphene screen and a preparation method thereof.

Background

Screens are common in everyday life and include television screens, computer screens, projection screens, and the like, which each include a housing and a screen located on the housing to which the screen is attached. The housing is located at the rear of the screen, supports and protects the screen, and the front of the screen emits light and displays images.

With the progress of science and technology, the current television screen and projection screen are bigger and bigger, so that better visual perception can be given to people. However, after the screen is enlarged, the screen cannot be folded, so that the screen is large in size and space occupation during carrying, mounting, transporting and storing, and inconvenience is brought to the links.

Disclosure of Invention

The invention aims to provide a flexible graphene screen and a preparation method thereof so as to realize adjustment of the size of the screen.

The flexible graphene screen comprises a shell and a graphene flexible screen, wherein a main support plate and an auxiliary support plate are fixedly arranged on the shell, the auxiliary support plate is transversely connected with the main support plate in a sliding mode, the auxiliary support plate is positioned behind the main support plate, the graphene flexible screen is divided into a main screen area and an auxiliary screen area, the rear side face of the main screen area of the graphene flexible screen is fixed on the front side face of the main support plate, a screen gap is reserved between the rear side face of the main support plate and the front side face of the auxiliary support plate;

When the screen is in a folded state, the auxiliary screen area of the graphene flexible screen is positioned in the screen gap across the end part of the main support plate, and the graphene flexible screen is bent in the screen gap, wherein the graphene flexible screen is bent into two sections in the screen gap, one section of the graphene flexible screen is close to the main support plate, a third sticky part close to the rear side surface of the graphene flexible screen of the main support plate is stuck to the first sticky part, the other section of the graphene flexible screen is close to the auxiliary support plate, and the rear side surface of the graphene flexible screen close to the auxiliary support plate is connected with the front side surface of the auxiliary support plate;

When the screen is in an unfolding state, the auxiliary supporting plate extends out of the rear of the main supporting plate, the graphene flexible screen is in a stretching state, and the third adhesive part on the auxiliary screen area of the graphene flexible screen is adhered to the second adhesive part.

The principle and the advantages of the scheme are that the flexible screen in the prior art can be bent to a large extent, so that occupation of the volume can be reduced, for example, a curled flexible display device with the patent publication number of CN110718150B is disclosed, and further, the flexible screens can be rolled and wound through rolling equipment, so that the flexible capacity of the flexible screen is very strong, but after repeated rolling and folding and rolling deformation times are increased, the performance of the flexible screen is also influenced, and the service performance of the flexible screen is influenced. The flexible screen in this scheme is the flexible screen of graphite alkene, owing to has added the graphite alkene composition, and graphite alkene possesses excellent properties, for example has performances such as high flexibility, high strength to make the life of flexible screen improve, it is not fragile after the deformation repeatedly, the durability is good.

In the scheme, the graphene flexible screen is a screen for displaying images, has flexibility and can be bent and deformed. The main support plate and the auxiliary support plate are used for supporting the graphene flexible screen, the graphene flexible screen is supported by a carrier, a main screen area of the graphene flexible screen is fixed on the main support plate, an auxiliary screen area is connected on the auxiliary support plate, and the main screen area and the auxiliary screen area are not substantially different, but are different names of different parts on the graphene flexible screen for convenience of description.

In the scheme, the auxiliary supporting plate is connected to the shell in a sliding manner, so that folding and unfolding of the screen are realized through sliding of the auxiliary supporting plate, namely, when the auxiliary supporting plate is located behind the main supporting plate, the auxiliary screen area is located behind the main supporting plate along with the auxiliary supporting plate, the whole screen is in a folded state, only the main screen area is exposed outside, the screen is smaller, when the auxiliary supporting plate slides out of the rear of the main supporting plate, the auxiliary screen area also slides out of the rear of the main supporting plate, and at the moment, the main screen area and the auxiliary screen area are connected into a whole to form a large screen, so that the screen is enlarged. Therefore, the size of the screen is adjusted through the scheme, so that the screen is folded to be small in links of carrying, installing, transporting, storing and the like, and the screen space occupation is small. In addition, when the screen is used, a user can also adjust the size of the screen according to actual conditions, for example, when the screen is larger and occupies a larger space, the screen can be smaller, and when the indoor space is larger and the screen is smaller, the screen can be larger, so that the screen is convenient for the user to use.

The folding of screen has been realized to this scheme adoption slip mode, when the auxiliary stay board stretches out from the rear of main stay board, and the third glues the portion and glues on the second of auxiliary stay board this moment to make the auxiliary screen district can be stable lie in the auxiliary stay board. When the auxiliary supporting plate is pushed into the rear of the main supporting plate, the graphene flexible screen and the end part of the main supporting plate are propped against each other along with the movement of the auxiliary supporting plate, so that the third sticky part is separated from the second sticky part, the blocking of the graphene flexible screen to the rear process of the main supporting plate due to the fact that the auxiliary supporting plate is retreated to the rear of the main supporting plate is avoided, and after the third sticky part is separated from the second sticky part, the third sticky part separated from the second sticky part is stuck to the first sticky part on the rear side surface of the main supporting plate along with the continuous movement of the auxiliary supporting plate, so that the graphene flexible screen is positioned in a screen gap in a standard mode. When the auxiliary supporting plate slides out of the rear of the main supporting plate, the auxiliary supporting plate pulls the graphene flexible screen, the graphene flexible screen is gradually separated from the first sticky part under the pulling action of the auxiliary supporting plate, and the third sticky part on the graphene flexible screen is automatically adhered to the second sticky part of the auxiliary supporting plate along with the sliding out of the auxiliary supporting plate from the rear of the supporting plate. Therefore, through the design of first portion of gluing, second portion of gluing and third portion of gluing in this scheme for the vice screen district of the flexible screen of graphite alkene also can follow vice backup pad and remove together in the removal process of vice backup pad, can not appear vice backup pad from the rear in-process that stretches out the state and fall back to the main tributary fagging, the vice screen district of the flexible screen of graphite alkene can not enter into the screen clearance and still be located the condition in the main tributary fagging tip outside, also can not appear vice backup pad when sliding out from the rear of main tributary fagging, the vice screen district of the flexible screen of graphite alkene still is located the condition that can not come out in the screen clearance. Therefore, the arrangement of the first adhesive part, the second adhesive part and the third adhesive part in the scheme is a key point for realizing the effect that when the auxiliary supporting plate is hidden behind the main supporting plate, the auxiliary screen area of the graphene flexible screen can be automatically hidden behind the main supporting plate along with the auxiliary supporting plate, and when the auxiliary supporting plate slides out from the rear of the main supporting plate, the auxiliary screen area can be automatically separated from the rear of the main supporting plate along with the auxiliary supporting plate and is attached on the auxiliary supporting plate. If the first adhesive part, the second adhesive part and the third adhesive part are not arranged, only the auxiliary supporting plate can slide reciprocally, and the auxiliary screen area of the graphene flexible screen cannot be automatically and normally hidden behind the main supporting plate or automatically come out from the rear of the main supporting plate.

Preferably, as a modification, the number of the auxiliary supporting plates is two, both the auxiliary supporting plates are located at the rear of the main supporting plate, and the two auxiliary supporting plates can be respectively protruded from the rear of both ends of the main supporting plate. Thus, the screen is enlarged by sliding the two sub-support plates out of the two ends of the main support plate, respectively, and is reduced by pushing the two sub-support plates back to the rear of the main support plate. In this scheme, two vice backup pad symmetry sets up, and after the screen grow, two vice screen areas are located the both sides of main screen district and about the axis symmetry of main screen district, whole flexible screen shape rule of graphite alkene, visual effect is good.

In the prior art, although a technology of folding and unfolding a screen in a folding manner or a technology of adjusting the size of the screen in a rolling manner exists, when the screen is used, the screen is folded (or rolled) or unfolded, and at least one state is the condition that the screen is not centered because the screen is folded or curled to one side, so that the visual effect is affected. The screen is folded and unfolded in a sliding mode, the auxiliary screen areas on two sides of the main screen area can extend out of the rear of the main support plate or hide the rear of the main support plate at the same time, the position of the main screen area is unchanged, that is, the main screen area can be always at a central position, such as the central position of a television wall, and therefore, no matter whether the screen is enlarged or reduced, the visual effect is not affected.

Preferably, as an improvement, the two auxiliary supporting plates are respectively fixedly connected with a first rack and a second rack, and the first rack and the second rack are opposite and meshed with gears between the first rack and the second rack at the same time.

Therefore, by controlling one auxiliary supporting plate, the other auxiliary supporting plate can move together through the engagement of the first rack, the second rack and the gear, and the moving directions of the first rack, the second rack and the gear are opposite, so that the simultaneous movement of the two auxiliary supporting plates is realized, and the simultaneous control of the auxiliary screen areas on two sides of the main screen area is realized.

Preferably, as an improvement, the auxiliary supporting plate comprises a sliding plate and a fixing shell which is connected to the shell in a sliding way, a plate groove is formed in the front side face of the fixing shell, the sliding plate is connected in the plate groove in a sliding way, the front side face of the sliding plate extends out of the plate groove, and the front side face of the sliding plate is connected with the rear side face of the auxiliary screen area of the graphene flexible screen.

Because the auxiliary supporting plate is positioned at the rear of the main supporting plate, after the auxiliary supporting plate slides out from the rear of the main supporting plate, the auxiliary supporting plate and the main supporting plate are not positioned on the same plane, so that the main screen area and the auxiliary screen area are not positioned on the same plane, and the joint of the main screen area and the auxiliary screen area has a certain inclination. Through the structure of the scheme, after the auxiliary supporting plate slides out from the rear of the main supporting plate, the sliding plate is pushed to move forwards in the plate groove, so that the front side surface of the sliding plate and the front side surface of the main supporting plate can be leveled, and the main screen area and the auxiliary screen area are positioned on the same plane, thereby improving the visual effect.

Preferably, as an improvement, a rod hole is formed in the rear side portion of the fixed shell, a push rod is fixedly connected to the rear side portion of the sliding plate, and the push rod penetrates out of the rod hole. Therefore, the sliding plate can be controlled to slide in the plate groove of the fixed shell by pushing and pulling the push rod.

Preferably, as an improvement, a pin hole is formed in the push rod, a bolt is inserted in the pin hole, and the bolt abuts against the rear side part of the fixing shell. From this, insert in the pinhole through the bolt, the bolt offsets with the trailing flank of fixed shell to realized the fixed to the sliding plate, the sliding plate is located the board groove after returning to the board groove and is comparatively stable.

Preferably, as a modification, the first adhesive part and the third adhesive part, the second adhesive part and the third adhesive part all form a magic tape structure, or

The first, second and third adhesive portions each have tackiness.

Therefore, the first sticky part and the third sticky part are bonded through the magic tape structure, the second sticky part and the third sticky part are bonded, and the first sticky part and the third sticky part can be separated under the action of external force after bonding. The first adhesive part, the second adhesive part and the third adhesive part are all adhesive, so that the first adhesive part and the third adhesive part can be bonded, the second adhesive part and the third adhesive part can be bonded, and the first adhesive part, the second adhesive part and the third adhesive part can be separated under the action of external force after being bonded.

Preferably, as a modification, the end of the main support plate is circular arc-shaped. The arc shape is smooth, so that after the graphene flexible screen is propped against the end part of the main support plate, arc-shaped bending occurs, and the effect of pasting the graphene flexible screen and the end part of the main support plate is better.

The application also discloses another scheme that the preparation method of the flexible graphene screen comprises the following steps of:

Step 1, processing and forming a shell, a main support plate and an auxiliary support plate, fixing a transverse first adhesive part on the rear side surface of the main support plate, fixing a transverse second adhesive part on the front side surface of the auxiliary support plate at the end part of the main support plate at one end part of the first adhesive part,

Assembling, namely assembling a main support plate and an auxiliary support plate on the shell, wherein after assembling, the main support plate is fixedly connected with the shell, the auxiliary support plate is transversely and slidably connected with the shell, and the auxiliary support plate is positioned behind the main support plate;

Step 3, mounting a graphene flexible screen, namely dividing the graphene flexible screen into a main screen area and a secondary screen area, and fixedly mounting the main screen area on the front side surface of a main supporting plate; pulling the auxiliary support plate out of the rear of the main support plate, fixing a third adhesive part on the rear side surface of the auxiliary screen area of the graphene flexible screen, and adhering the third adhesive part on the graphene flexible screen to the second adhesive part on the auxiliary support plate;

And 4, after the main screen area and the auxiliary screen area are respectively arranged on the main support plate and the auxiliary support plate, pushing the auxiliary support plate into the rear of the main support plate, and packaging.

By adopting the preparation method of the scheme, in the step 3, after the auxiliary supporting plate is pulled out from the rear of the main supporting plate, compared with the auxiliary supporting plate positioned at the rear of the main supporting plate, the space in front of the auxiliary supporting plate is wider, so that the third sticky part of the graphene flexible screen is convenient to be stuck on the second sticky part of the auxiliary supporting plate. In the step 4, after the auxiliary screen area of the graphene flexible screen is mounted on the auxiliary support plate, in the process of pushing the auxiliary support plate into the rear of the main support plate, the graphene flexible screen and the end part of the main support plate are propped against each other along with the movement of the auxiliary support plate, so that the third sticky part is separated from the second sticky part, the blocking of the graphene flexible screen on the movement of the auxiliary support plate is avoided, and after the third sticky part and the second sticky part are separated, the third sticky part separated from the second sticky part is stuck on the first sticky part on the rear side surface of the main support plate along with the continuous movement of the auxiliary support plate, so that the graphene flexible screen is positioned in a screen gap in a standard manner. Therefore, by the preparation method, before screen packaging, the auxiliary screen area of the graphene flexible screen is conveniently arranged in the screen gap between the main support plate and the auxiliary support plate, and the situation that the graphene flexible screen is not easy to place in the screen gap in the preparation process is avoided.

Preferably, as a modification, the number of the auxiliary supporting plates is two, and in step 4, the auxiliary supporting plates are pushed until the opposite ends of the two auxiliary supporting plates are abutted. Thus, when the two sub-support plates are abutted, it is explained that the two sub-support plates are retracted to the position.

Drawings

Fig. 1 is an external schematic view of a flexible graphene screen.

Fig. 2 is a right-side partial cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the inside of the housing in a collapsed state of the main support plate and the two sub support plates.

Fig. 4 is a schematic view of the main support plate and two sub support plates inside the housing in a unfolded state.

Fig. 5 is an enlarged partial view of the main support plate and the first sub support plate of fig. 3, mainly illustrating the first, second and third adhesive portions.

Fig. 6 is a cross-sectional view of the first sub supporting plate.

Detailed Description

The following is a further detailed description of the embodiments:

The reference numerals in the drawings of the specification comprise a shell 1, a rotating shaft 2, a main support plate 3, a graphene flexible screen 4, a second auxiliary support plate 5, a first auxiliary support plate 6, a second rack 7, a first rack 8, a gear 9, a second sticky part 10, a first sticky part 11, a third sticky part 12, a sliding plate 13, a fixed shell 14, a push rod 15 and a plug pin 16.

Example 1

Basically as shown in fig. 1-4, the flexible graphene screen comprises a shell 1 and a graphene flexible screen 4, wherein the shell 1 is cuboid in shape and hollow in the shell 1, openings are formed in the left and right ends of the shell 1 and are communicated, and the front side surface of the shell 1 is integrally formed or is fixedly provided with a main supporting plate 3 through screws as shown in fig. 2 and 3. The left and right ends of the main support plate 3 are arc-shaped, so that the action ends of the main support plate 3 are smoother.

Referring to fig. 2-4, an auxiliary support plate is transversely and slidably connected to the inside of the casing 1, and the sliding mode is that a sliding groove is formed in the inner wall of the casing 1, and the edge part of the auxiliary support plate is located in the sliding groove. The number of the auxiliary supporting plates in this embodiment is two, namely the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5, but in other embodiments, the number of the auxiliary supporting plates may be one. The first and second sub-support plates 6, 5 are each located behind the main support plate 3, and the first and second sub-support plates 6, 5 are each parallel to the main support plate 3. The first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 are located on the same plane in this embodiment, and the length of the first auxiliary supporting plate 6 and the length of the second auxiliary supporting plate 5 in this embodiment are both approximately equal to half of the length of the main supporting plate 3, so that, when the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 are located behind the main supporting plate 3, the left end of the first auxiliary supporting plate 6 and the right end of the second auxiliary supporting plate 5 are abutted, and the total length of the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 is approximately equal to the length of the main supporting plate 3, as shown in fig. 3. Screen gaps are formed between the rear side surface of the main support plate 3 and the front side surface of the first auxiliary support plate 6 and between the rear side surface of the main support plate 3 and the front side surface of the second auxiliary support plate 5, the size of the screen gaps is specifically set according to the bending capability of the graphene flexible screen 4, and the space thickness of the screen gaps can be 10-30cm.

The graphene flexible screen 4 in this embodiment has flexibility and can be bent, the graphene flexible screen 4 includes a substrate layer, an adhesive layer, a graphene conductive layer and a protective layer, the graphene flexible screen 4 belongs to the prior art, and is not described herein, for example, the invention patent with the chinese patent publication number CN109062451B discloses a novel flexible graphene touch screen and a preparation method thereof.

The graphene flexible screen 4 is divided into a main screen area and an auxiliary screen area, the main screen area is located in the middle of the whole graphene flexible screen 4, the auxiliary screen areas are located on two sides of the main screen area, the main screen area and the auxiliary screen area are connected into a whole, and the main screen area and the auxiliary screen area are not substantially different, but are located at different positions of the graphene flexible screen 4 and are different in terms. The rear side of the main screen area of the graphene flexible screen 4 is fixed on the front side of the main support plate 3, and the specific fixing mode is fixed through glue solution bonding. As shown in fig. 3 and 4, the back side of the main support plate 3 is provided with two transverse first adhesive parts 11, the lengths of the first adhesive parts 11 are all one quarter of the length of the main support plate 3, the right end part of the first adhesive part 11 on the right side is positioned at the right end part of the main support plate 3, and the left end part of the first adhesive part 11 on the left side is positioned at the left end part of the main support plate 3. The front side of the first auxiliary supporting plate 6 and the front side of the second auxiliary supporting plate 5 are both provided with second sticky parts 10, the length of each second sticky part 10 is half of that of the auxiliary supporting plate, the left end of each second sticky part 10 on the right side is located at the left end part of the first auxiliary supporting plate 6, and the right end of each second sticky part 10 on the left side is located at the right end part of the second auxiliary supporting plate 5.

When the screen is in a folded state, as shown in fig. 3, two auxiliary screen areas of the graphene flexible screen 4 are respectively located in the screen gap across the end portions of the main support plates 3, and the graphene flexible screen 4 is bent in the screen gap. Two auxiliary screen areas on the graphene flexible screen 4 are bent into two sections in a screen gap, one section is close to the main support plate 3, a third adhesive part 12 is fixed on the rear side of the graphene flexible screen 4 close to the main support plate 3, the specific fixing mode is adhesion, the third adhesive part 12 is adhered to the first adhesive part 11 (the third adhesive part 12 and the first adhesive part 11 can be separated), the other section is close to the auxiliary support plate, taking the first auxiliary support plate 6 as an example, the rear side of the graphene flexible screen 4 close to the first auxiliary support plate 6 and the front side of the first auxiliary support plate 6 are not provided with a second adhesive part 10 (the right half part of the front side of the first auxiliary support plate 6) are adhered and fixed through glue solution (the fixing at the place enables the graphene flexible screen 4 and the first auxiliary support plate 6 to be adhered firmly, and the graphene flexible screen are not easy to separate). The connection mode of the second auxiliary supporting plate 5 and the auxiliary screen area of the graphene flexible screen 4 is the same as the connection mode of the first auxiliary supporting plate 6 and the auxiliary screen area of the graphene flexible screen 4.

Referring to fig. 4, when the screen is in the unfolded state, the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 respectively extend from the rear of the two ends of the main supporting plate 3, at this time, the graphene flexible screen 4 is in the stretched state, at this time, the third adhesive portion 12 on the right auxiliary screen area is adhered to the second adhesive portion 10 on the first auxiliary supporting plate 6, the third adhesive portion 12 on the left auxiliary screen area is adhered to the second adhesive portion 10 on the second auxiliary supporting plate 5, and the third adhesive portion 12 and the second adhesive portion 10 can be separated after being adhered.

The first adhesive part 11 and the third adhesive part 12 in this embodiment can be detached under the action of external force after being bonded, and the second adhesive part 10 and the third adhesive part 12 can be detached under the action of external force after being bonded, specifically, the first adhesive part 11 and the third adhesive part 12, the second adhesive part 10 and the third adhesive part 12 all form a magic tape structure, wherein the first adhesive part 11 and the second adhesive part 10 are all fluff surfaces, the third adhesive part 12 is a burr surface, or the first adhesive part 11 and the second adhesive part 10 are all burr surfaces, and the third adhesive part 12 is a fluff surface. Of course, in other embodiments, the first adhesive portion 11, the second adhesive portion 10 and the third adhesive portion 12 may be adhesive tapes, because the two adhesive tapes may still be torn after being adhered to each other.

As shown in fig. 3 and 4, the rear side surface of the first auxiliary supporting plate 6 and the rear side surface of the second auxiliary supporting plate 5 are respectively and fixedly connected (fixed by screws) with a first rack 8 and a second rack 7, and the first rack 8 and the second rack 7 are opposite and simultaneously meshed with a gear 9 positioned between the first rack 8 and the second rack 7. The gear 9 is coaxially fixed with a rotating shaft 2, and the rotating shaft 2 rotates on the shell 1.

The flexible graphene screen in this embodiment may be used as a television screen, a computer screen, or a projection screen. Taking a television screen as an example, the shell 1 is fixed on a television wall through bolts when the television screen is used, and the main support plate 3 is positioned at the middle part of the television wall. The television image is displayed through the graphene flexible screen 4. The main support plate 3, the first auxiliary support plate 6 and the second auxiliary support plate 5 are used for supporting the graphene flexible screen 4 and are carriers attached to the graphene flexible screen 4. Of course, chambers may be provided on the main support plate 3, the first sub support plate 6 and the second sub support plate 5 internally to accommodate various electronic devices.

As shown in fig. 3 and 5, the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 are both located at the rear of the main supporting plate 3, the whole screen is in a folded state, the auxiliary screen area is located at the rear of the main supporting plate 3 along with the corresponding auxiliary supporting plates, the auxiliary screen area is bent in the screen gap, and the first adhesive part 11 and the third adhesive part 12 are adhered together. At this time, the whole screen is in a folded state, only the main screen area is exposed, and the screen is smaller. Therefore, when articles around the television wall are more, the screen can be reduced, the screen can not occupy larger space when hung on the television wall, and a user can zoom the television picture to the size of the main screen area when using the television wall.

When the screen needs to be unfolded, that is, when the screen is changed from fig. 3 to fig. 4, the first auxiliary supporting plate 6 or the second auxiliary supporting plate 5 is pulled outwards at this time, taking the first auxiliary supporting plate 6 as an example, the first auxiliary supporting plate 6 slides out from the rear direction of the main supporting plate 3 to the right, in the pulling process, the first auxiliary supporting plate 6 drives the auxiliary screen area to move rightwards, the first sticky part 11 and the third sticky part 12 are gradually separated under the pulling action of the first auxiliary supporting plate 6 in the screen gap, meanwhile, along with the movement of the first auxiliary supporting plate 6 rightwards, the third sticky part 12 on the auxiliary screen area is gradually stuck to the second sticky part 10 on the first auxiliary supporting plate 6, finally as shown in fig. 4, thereby realizing the automatic unfolding of the auxiliary screen area in the screen gap.

In the rightward movement process of the first auxiliary supporting plate 6, the first auxiliary supporting plate 6 drives the gear 9 to rotate through the first rack 8, the gear 9 drives the second rack 7 to move, and the second rack 7 drives the second auxiliary supporting plate 5 to move leftwards, so that the second auxiliary supporting plate 5 simultaneously extends leftwards from the rear direction of the main supporting plate 3, and the auxiliary screen area on the left side of the main supporting plate 3 is also simultaneously located on the front side surface of the second auxiliary supporting plate 5. Therefore, the main screen area and the auxiliary screen area are connected into a whole to form a large screen, so that the screen is enlarged, and the position of the main screen area is not moved in the process of expanding the screen, so that the whole screen is still in a centering state on the television wall, and the visual effect is not influenced. Therefore, through the scheme, when the space around the television wall is larger, the television screen can be enlarged. After the screen is enlarged, the user can adjust the television picture to be in a full screen state, namely, the television picture is full of the main screen area and the auxiliary screen area.

When the screen is required to be folded to be smaller, that is, when the screen is changed from the state of fig. 4 to the state of fig. 3, taking the first auxiliary supporting plate 6 as an example, the first auxiliary supporting plate 6 is pushed to the left in the process of pushing the first auxiliary supporting plate 6 to the rear of the main supporting plate 3, the left moving of the first auxiliary supporting plate 6 is performed, and the graphene flexible screen 4 is abutted against the arc-shaped right end part of the main supporting plate 3, so that the third sticky part 12 on the auxiliary screen area on the right side of the graphene flexible screen 4 is gradually separated from the second sticky part 10, and the blocking of the movement of the auxiliary supporting plate by the graphene flexible screen 4 is avoided. Since the third adhesive part 12 is gradually separated from the second adhesive part 10, and the separation is gradually separated from the left end to the right end of the second adhesive part 10, and not all the separation is performed, as the first auxiliary supporting plate 6 continuously moves leftwards, the first auxiliary supporting plate 6 still drives the auxiliary screen area of the graphene flexible screen 4 to move leftwards together and enter the screen gap, and for the third adhesive part 12 separated from the second adhesive part 10, the third adhesive part 12 is gradually adhered to the first adhesive part 11 on the rear side surface of the main supporting plate 3, and the adhesion direction is gradually adhered from the right end to the left end of the first adhesive part 11. Thus, when the first sub-support plate 6 is fully hidden behind the main support plate 3, the entire sub-screen area on the right side of the graphene flexible screen 4 is made to be positioned in the screen gap. The connection manner of the second sub-support plate 5 and the sub-screen area is the same as the connection manner of the first sub-support plate 6 and the sub-screen area, and will not be described again here.

Therefore, through the embodiment, the whole screen can be folded and unfolded, and a user can use the screen conveniently according to different requirements. Of course, the whole screen can be folded, so that the screen is very convenient to carry, transport and store.

In addition, the embodiment also discloses a preparation method of the flexible graphene screen, which comprises the following steps:

And step 1, the shell 1, the main support plate 3, the first auxiliary support plate 6 and the second auxiliary support plate 5 are processed and molded, two transverse first sticky parts 11 are fixed (glued) on the rear side surface of the main support plate 3, the right end part of the right first sticky part 11 is positioned at the right end part of the main support plate 3, and the left end of the left first sticky part 11 is positioned at the left end part of the main support plate 3. A transverse second adhesive part 10 is fixed (adhered) on both the front side surface of the first sub-support plate 6 and the front side surface of the second sub-support plate 5, and the left end of the right second adhesive part 10 is located at the left end of the first sub-support plate 6, and the right end of the left second adhesive part 10 is located at the right end of the second sub-support plate 5.

And 2, assembling, namely assembling the main support plate 3, the first auxiliary support plate 6 and the second auxiliary support plate 5 on the shell 1, wherein after assembling, the main support plate 3 is fixedly connected with the shell 1, the first auxiliary support plate 6 and the second auxiliary support plate 5 are transversely and slidably connected with the shell 1, and the first auxiliary support plate 6 and the second auxiliary support plate 5 are positioned behind the main support plate 3.

And 3, mounting the graphene flexible screen 4, namely dividing the graphene flexible screen 4 into a main screen area and an auxiliary screen area, fixedly mounting the main screen area on the front side surface of the main support plate 3 through glue, pulling out the first auxiliary support plate 6 and the second auxiliary support plate 5 from the rear of the main support plate 3, fixing (bonding) a transverse third bonding part 12 on the rear side surface of the auxiliary screen area of the graphene flexible screen 4, and respectively bonding the third bonding parts 12 on the two auxiliary screen areas on the graphene flexible screen 4 on the second bonding parts 10 on the first auxiliary support plate 6 and the second auxiliary support plate 5, wherein the bonding is shown in fig. 4.

After the main screen area and the auxiliary screen area are respectively mounted on the main support plate 3 and the auxiliary support plate, the first auxiliary support plate 6 and the second auxiliary support plate 5 are pushed into the rear of the main support plate 3 until the opposite ends of the first auxiliary support plate 6 and the second auxiliary support plate 5 are abutted. After the graphene flexible screen is pushed in, the first auxiliary supporting plate 6, the second auxiliary supporting plate 5 and the graphene flexible screen 4 are changed from the state shown in fig. 4 to the state shown in fig. 3, and in the pushing process, the third adhesive part 12 and the second adhesive part 10 on the auxiliary screen area of the graphene flexible screen 4 are separated and adhered to the first adhesive part 11, so that the specific process is not repeated. After the screen is folded, packaging is carried out.

Example 2

As shown in fig. 6, in this embodiment, the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 each include a sliding plate 13 and a fixing case 14 slidably connected to the housing 1, and in this embodiment, a plate slot is formed on a front side surface of the fixing case 14, and the sliding plate 13 is located in the plate slot and can slide laterally in the plate slot. The front side of the sliding plate 13 extends out of the plate groove, the front side of the sliding plate 13 is connected with the rear side of the auxiliary screen area of the graphene flexible screen 4, as shown in fig. 6, the right side part of the auxiliary screen area of the graphene flexible screen 4 is fixedly bonded with the right half part of the front side of the sliding plate 13 through glue, and the left side part of the auxiliary screen area is bonded with the second bonding part 10 through the third bonding part 12. The rear side of the fixed shell 14 is provided with a rod hole, the rear side of the sliding plate 13 is fixedly connected with a push rod 15 through a screw, and the push rod 15 penetrates out of the rod hole. The push rod 15 is provided with a pin hole, a bolt 16 is inserted in the pin hole, and the bolt 16 abuts against the rear side part of the fixed shell 14. Through the bolt 16 and the back side of the fixed shell 14, the fixing of the sliding plate 13 is realized, the sliding plate 13 is positioned in the plate groove and cannot move forwards to stretch out, the thickness of the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 is smaller, and at the moment, the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 can be positioned behind the main supporting plate 3.

After the first auxiliary supporting plate 6 and the second auxiliary supporting plate 5 slide out from the rear of the main supporting plate 3, the bolt 16 is taken down, the push rod 15 is pushed, the push rod 15 pushes the sliding plate 13, and the sliding plate 13 moves forwards in the plate groove, so that the front side surface of the sliding plate 13 and the front side surface of the main supporting plate 3 can be leveled, the main screen area and the auxiliary screen area are made to be a plane, and the problem of poor visual effect caused by the fact that the auxiliary screen area and the main screen area are not located on the same plane in fig. 4 is avoided.

The foregoing is merely exemplary of the present application, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, and these should also be regarded as the protection scope of the present application, which does not affect the effect of the implementation of the present application and the practical applicability of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (10)

1. The flexible graphene screen is characterized by comprising a shell and a graphene flexible screen, wherein a main support plate and an auxiliary support plate are fixedly arranged on the shell, the auxiliary support plate is arranged behind the main support plate, the graphene flexible screen is divided into a main screen area and an auxiliary screen area, the rear side surface of the main screen area of the graphene flexible screen is fixedly arranged on the front side surface of the main support plate, a screen gap is reserved between the rear side surface of the main support plate and the front side surface of the auxiliary support plate;

When the screen is in a folded state, the auxiliary screen area of the graphene flexible screen is positioned in the screen gap across the end part of the main support plate, and the graphene flexible screen is bent in the screen gap, wherein the graphene flexible screen is bent into two sections in the screen gap, one section of the graphene flexible screen is close to the main support plate, a third adhesive part close to the rear side surface of the graphene flexible screen of the main support plate is adhered to the first adhesive part, the other section of the graphene flexible screen is close to the auxiliary support plate, and the rear side surface of the graphene flexible screen close to the auxiliary support plate is connected with the front side surface of the auxiliary support plate;

When the screen is in an unfolding state, the auxiliary supporting plate extends out of the rear of the main supporting plate, the graphene flexible screen is in a stretching state, and a third adhesive part on an auxiliary screen area of the graphene flexible screen is adhered to the second adhesive part;

When the auxiliary supporting plate is pushed into the rear of the main supporting plate, the graphene flexible screen and the end part of the main supporting plate are propped against each other along with the movement of the auxiliary supporting plate, so that the third sticky part is separated from the second sticky part;

When the auxiliary support plate slides out from the rear of the main support plate, the third sticky part of the graphene flexible screen is gradually separated from the first sticky part under the pulling action of the auxiliary support plate, and the third sticky part of the graphene flexible screen is automatically adhered to the second sticky part of the auxiliary support plate along with the sliding out of the auxiliary support plate from the rear of the support plate.

2. A flexible graphene screen according to claim 1, wherein the number of the auxiliary supporting plates is two, the two auxiliary supporting plates are located behind the main supporting plates, and the two auxiliary supporting plates can respectively extend out from the rear of the two ends of the main supporting plates.

3. The flexible graphene screen according to claim 2, wherein the two auxiliary supporting plates are fixedly connected with a first rack and a second rack respectively, and the first rack and the second rack are opposite and meshed with gears between the first rack and the second rack at the same time.

4. A flexible graphene screen according to any one of claims 1 to 3 is characterized in that the auxiliary supporting plate comprises a sliding plate and a fixing shell which is connected to the shell in a sliding mode, a plate groove is formed in the front side face of the fixing shell, the sliding plate is connected in the plate groove in a sliding mode, the front side face of the sliding plate extends out of the plate groove, and the front side face of the sliding plate is connected with the rear side face of the auxiliary screen area of the graphene flexible screen.

5. The flexible graphene screen according to claim 4, wherein the rear side portion of the fixed shell is provided with a rod hole, and the rear side portion of the sliding plate is fixedly connected with a push rod, and the push rod penetrates out of the rod hole.

6. The flexible graphene screen according to claim 5, wherein the push rod is provided with a pin hole, and a plug pin is inserted in the pin hole and abuts against the rear side part of the fixing shell.

7. The flexible graphene screen according to claim 1, wherein the first and third adhesive portions, the second and third adhesive portions each form a magic tape structure, or

The first, second and third adhesive portions are all adhesive.

8. The flexible graphene screen according to claim 1, wherein the ends of the main support plates are arc-shaped.

9. A method for preparing a flexible graphene screen according to claim 1, which is characterized by comprising the following steps:

Step 1, processing and forming a shell, a main support plate and an auxiliary support plate, fixing a transverse first adhesive part on the rear side surface of the main support plate, fixing a transverse second adhesive part on the front side surface of the auxiliary support plate at the end part of the main support plate at one end part of the first adhesive part,

Assembling, namely assembling a main support plate and an auxiliary support plate on the shell, wherein after assembling, the main support plate is fixedly connected with the shell, the auxiliary support plate is transversely and slidably connected with the shell, and the auxiliary support plate is positioned behind the main support plate;

Step 3, mounting a graphene flexible screen, namely dividing the graphene flexible screen into a main screen area and a secondary screen area, and fixedly mounting the main screen area on the front side surface of a main supporting plate; pulling the auxiliary support plate out of the rear of the main support plate, fixing a third adhesive part on the rear side surface of the auxiliary screen area of the graphene flexible screen, and adhering the third adhesive part on the graphene flexible screen to the second adhesive part on the auxiliary support plate;

And 4, after the main screen area and the auxiliary screen area are respectively arranged on the main support plate and the auxiliary support plate, pushing the auxiliary support plate into the rear of the main support plate, and packaging.

10. The method of claim 9, wherein the number of the auxiliary supporting plates is two, and in the step 4, the auxiliary supporting plates are pushed until the opposite ends of the two auxiliary supporting plates are abutted.