CN111145648A - Flexible screen display module, display device and control method - Google Patents
Flexible screen display module, display device and control method Download PDFInfo
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- CN111145648A CN111145648A CN201911424606.7A CN201911424606A CN111145648A CN 111145648 A CN111145648 A CN 111145648A CN 201911424606 A CN201911424606 A CN 201911424606A CN 111145648 A CN111145648 A CN 111145648A
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- telescopic rod
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention discloses a flexible screen display module, a display device and a control method, wherein the flexible screen display module comprises: the flexible display screen is coiled along a first direction and is accommodated in the winding drum; the telescopic link, follow the first direction sets up the flexible display screen deviates from one side of display surface, the resistance value of telescopic link with the extension length of flexible display screen is the direct ratio, owing to the extension length of calculating the flexible display screen through the resistance value of telescopic link, so can not adopt light receiving sensor to confirm the extension length of flexible display screen like the influence that easily receives light intensity among the correlation technique to can improve the display effect of flexible high display screen effectively.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible screen display module, a display device and a control method.
Background
Currently, flexible screens are favored by more and more users in the field of display technology due to their rollable nature.
In the related art, the display area of the flexible screen viewed by the user is formed by combining the light receiving sensor and the controller of the flexible display panel, so that when the flexible display panel is pulled out, the light sensing areas on two sides of the flexible display panel receive signals through the light source at the outlet and feed back the signals to the controller, and the flexible display panel is controlled to display image signals in the corresponding pulled-out display area.
However, due to the fact that the sensitivity of the light receiving sensor is low, when the flexible screen is in an environment with weak light, the controller cannot receive correct signals, the display area of the flexible display panel is not consistent with the area needing to be displayed when a user actually pulls out the flexible display panel, and the display effect of the flexible screen is reduced.
In view of this, how to effectively improve the display effect of the flexible screen becomes a technical problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides a flexible screen display module, a display device and a control method, which are used for solving the technical problem of poor display effect of a flexible screen in the related art.
In a first aspect, to solve the above technical problem, an embodiment of the present invention provides a flexible screen display module, where the flexible screen display module includes:
the flexible display screen can be coiled and stored in the winding drum along a first direction;
the telescopic link is followed the first direction sets up the flexible display screen deviates from one side of display surface, the resistance value of telescopic link with the extension length of flexible display screen is the direct ratio.
Optionally, one end of the telescopic rod is fixed in the winding drum, and the other end of the telescopic rod is fixed at the farthest end of the flexible display screen, which is far away from the winding drum; when the flexible display screen is completely stored in the winding drum, the telescopic rod is located in the winding drum.
Optionally, the telescopic rod includes a plurality of sections of resistors, the resistor fixed in the winding drum has an accommodating groove, the resistor at the farthest end is in a long strip shape, the plurality of sections of resistors are sleeved between the resistor fixed in the winding drum and the resistor at the farthest end, and when the flexible display screen is unfolded, the plurality of sections of resistors in the telescopic rod are unfolded section by section from the resistor at the farthest end in the opposite direction of the first direction.
Optionally, the length of each resistor is the same.
Optionally, when the two mutually sleeved resistors are unfolded along the direction opposite to the first direction, the two mutually sleeved resistors are connected through a snap component; the elastic buckle component comprises an elastic buckle protrusion and an elastic buckle groove;
the elastic buckle bulge is positioned on the outer side wall of the resistor close to the end of the winding drum;
the spring buckle groove is located on the inner side wall of the opening of the accommodating groove, and the inner side wall corresponds to the sleeved resistor.
Through set up the bullet on two sections resistances of establishing each other and detain protruding and the bullet recess of detaining, when the telescopic link expandes, can make the accurate joint of resistance in the telescopic link correspond the position, can make the extension length of telescopic link remain stable, be difficult for receiving external disturbance to the resistance value of measurement telescopic link when expanding that can be accurate.
Optionally, the snap projection is an annular projection or a dot projection.
Lead to and detain protruding setting up to the annular arch with the bullet, can effectually reduce the bellied processing degree of difficulty of bullet knot to improve the generation efficiency.
Since the elastic buckle protrusions are point-shaped protrusions, when the telescopic rod is stored, the resistor in the telescopic rod can be stored more easily due to gaps among the point-shaped protrusions.
Optionally, the snap groove is an annular groove.
Optionally, the bottom of the resistor with the accommodating groove can be conductive, the snap-fastener assembly can be conductive, the outer side wall of the accommodating groove is insulated, and the inner side wall of the accommodating groove can be conductive;
one end of the long-strip-shaped resistor, which is close to the winding drum, can conduct electricity, and the outer side wall of the long-strip-shaped resistor is insulated.
Optionally, the resistance value of each resistor is the same.
Optionally, the device further comprises a sensor, wherein the sensor is electrically connected with two ends of the telescopic rod and used for measuring the resistance value of the telescopic rod.
Optionally, the telescopic rod further comprises a support structure for supporting the flexible display screen.
In a second aspect, based on the same inventive concept, an embodiment of the present invention provides a display device, which includes the flexible screen display module according to the first aspect.
In a third aspect, based on the same inventive concept, an embodiment of the present invention provides a control method of controlling display by the display apparatus of the second aspect, the control method including:
detecting the resistance value of the telescopic rod;
determining a pull-out length of the flexible display screen based on the resistance value;
acquiring a pull-out area of the flexible display screen according to the pull-out length;
and taking the pull-off area as a user interface display area of the flexible display screen.
The invention has the following beneficial effects:
according to the flexible display module, the display device and the control method provided by the embodiment of the invention, the telescopic rod is arranged, so that the resistance value of the telescopic rod is in direct proportion to the extension length of the flexible display screen, the resistance value of the telescopic rod is correspondingly changed when the flexible display screen is pulled out, the extension length of the flexible display screen is accurately calculated according to the resistance value of the telescopic rod, and the display picture is controlled to be displayed in the pulled-out display area of the flexible display screen. In the embodiment provided by the invention, the extending length of the flexible display screen is calculated through the resistance value of the telescopic rod, so that the extending length of the flexible display screen cannot be easily influenced by the light intensity as the extending length of the flexible display screen is determined by adopting a light receiving sensor in the related technology, and the display effect of the flexible display screen can be effectively improved. In addition, in the embodiment provided by the invention, the telescopic rod is arranged on the side, away from the display surface, of the flexible display screen along the first direction, so that the flexible display screen can be effectively supported.
Drawings
FIG. 1 is a schematic structural diagram of a flexible display module according to the related art;
FIG. 2 is a diagram illustrating light sensing measurement in the related art;
fig. 3 is a schematic structural diagram of a flexible display module according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the telescopic rod according to the embodiment of the present invention when the telescopic rod is fully deployed;
fig. 5 is a schematic structural view of the telescopic rod according to the embodiment of the present invention when the telescopic rod is completely stored;
fig. 6 is a schematic structural diagram of two resistors sleeved with each other according to an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of the resistor 31 shown in FIG. 6 and shown in phantom in accordance with an embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of the resistor 33 shown in FIG. 6 and shown in phantom in accordance with an embodiment of the present invention;
FIG. 9 is a left side view of the snap tab being an annular projection provided in accordance with an embodiment of the present invention;
FIG. 10 is a left side view of a snap projection in the form of a dot projection according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a display device according to an embodiment of the invention;
fig. 12 is a flowchart of a control method for displaying on a display device according to an embodiment of the present invention;
fig. 13 is a flowchart illustrating an operation of the display device according to the embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a flexible screen display module, a display device and a control method, which are used for solving the technical problem of poor display effect of a flexible screen in the related art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is further described with reference to the accompanying drawings and examples. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted. The drawings of the present invention are for illustrative purposes only and do not represent true scale.
It should be noted that in the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Before the embodiments provided by the present invention are described, a structure adopted for determining a display area of a flexible display screen in the related art is described.
Fig. 1 is a schematic structural diagram of a flexible display module in the related art.
The flexible screen display module comprises a flexible display screen 10, a winding drum 20 and a light sensing area 30. The spool 20 may include a main body structure 201 and an auxiliary structure 202 cooperating with the main body structure 201.
A reel for rolling the flexible display screen 10, a controller for controlling the flexible display screen to display, and the like may also be disposed in the main structure 201 of the reel 20, and the auxiliary structure 202 is fixed to an end of the flexible display screen 10 away from the main structure 201, so that a user can hold the auxiliary structure 202 to pull the flexible display screen 10 out of the main structure 201.
Referring to fig. 2, which is a schematic diagram of light sensing measurement in the related art, the light sensing area 30 is composed of a plurality of sub-areas (shown in different shaded areas in fig. 2), the light signal sensor 40 installed on the flexible display panel 20 opposite to the light sensing area detects each sub-area, when the light signal sensor 40 is pulled out of the flexible display panel 10, the light signal sensor 40 does not detect one sub-area and generates a pulse signal, and the controller calculates the length of the pulled out flexible display panel 20 by detecting the pulse signal generated by the light signal sensor 40, thereby controlling the image to be displayed in the pulled out area.
The inventor of the invention finds that when the external light is not good, for example, when the lamp is not turned on at night, the length of the flexible display screen pulled out is measured by adopting the light sensation measuring mode, the length of the flexible display screen pulled out cannot be measured accurately, and the problem that the display area is too small or too large exists when the image is controlled to be displayed in the pulled-out area is solved, so that the display effect of the flexible display screen is reduced.
To solve the above technical problems, embodiments of the present invention are provided.
The following describes a flexible screen display module according to an embodiment of the present invention with reference to the accompanying drawings.
Referring to fig. 3, a schematic structural diagram of a flexible screen display module according to an embodiment of the present invention is shown, where the flexible screen display module includes:
the flexible display screen comprises a flexible display screen 1 and a winding drum 2, wherein the flexible display screen 1 can be coiled and stored in the winding drum 2 along a first direction X; the winding drum 2 may include a main structure 21 and an auxiliary structure 22 cooperating with the main structure 21, the flexible display screen 1 is accommodated in the main structure 21 of the winding drum 2, and the auxiliary structure 22 is fixed to an end of the flexible display screen 1 away from the main structure 21, and may be used for a user to hold the auxiliary structure 22 to pull out the flexible display screen 1 from the main structure 21.
The telescopic link 3, set up in the one side that flexible display screen 1 deviates from display surface A along first direction X, the resistance value of telescopic link 3 is directly proportional with flexible display screen 1's extension length.
When the display area of the flexible display screen 1 is determined according to the extension length of the telescopic rod 3 of the telescopic rod, the number of pixels corresponding to the unit length of the flexible display screen 1 in the first direction X can be calculated, and then the number of pixels corresponding to the unit length of the flexible display screen 1 is multiplied by the extension length of the telescopic rod 3, so that the number of pixels corresponding to the extension part in the direction along the first direction X of the flexible display screen 1 can be calculated, and the number of pixels of the flexible display screen 1 in the direction perpendicular to the first direction X is fixed and unchanged, so that the display area of the extension part of the flexible display screen 1 can be determined, and images can be displayed in the display area.
In the embodiment provided by the invention, by arranging the telescopic rod 3, the resistance value of the telescopic rod 3 is in direct proportion to the extension length of the flexible display screen 1, so that when the flexible display screen 1 is pulled out, the resistance value of the telescopic rod 3 is correspondingly changed, the extension length of the flexible display screen 1 is accurately calculated according to the resistance value of the telescopic rod 3, and the display picture is controlled to be displayed in the display area A where the flexible display screen 1 is pulled out. In the embodiment provided by the invention, the extending length of the flexible display screen 1 is calculated through the resistance value of the telescopic rod 3, so that the extending length of the flexible display screen cannot be easily influenced by the light intensity as a light receiving sensor is adopted to determine the extending length of the flexible display screen in the related art, and the display effect of the flexible display screen 1 can be effectively improved. In addition, in the embodiment provided by the invention, the telescopic rod 3 is arranged on the side of the flexible display screen 1 departing from the display surface a along the first direction X, so that the flexible display screen 1 can be effectively supported.
In an alternative embodiment of the present invention, one end of the telescopic rod 3 is fixed in the winding drum 2, and the other end is fixed at the farthest end of the flexible display screen 1 far away from the winding drum 1; when the flexible display screen 1 is completely stored in the winding drum 2, the telescopic rod 3 is located in the winding drum 2.
Referring to fig. 4 and 5, fig. 4 is a schematic structural view of the telescopic rod according to the embodiment of the present invention when the telescopic rod is fully unfolded, and fig. 5 is a schematic structural view of the telescopic rod according to the embodiment of the present invention when the telescopic rod is fully retracted.
One end of the telescopic rod 3, fix the medial surface that can pull out the flexible display screen 1 in the major structure 21, for example, can fix the telescopic rod 3 at the medial surface of flexible display screen 1 through horizontal U-shaped support piece, the position of the telescopic rod 3 is fixed at this medial surface, be provided with a through-hole, be used for letting the telescopic rod 3 pass through, when the telescopic rod 3 is accomodate in the major structure 21 completely, in the one side of the through-hole of the relative major structure 21 of auxiliary structure 22, can be provided with another through-hole, can also be provided with an electro-magnet (not shown in fig. 4) in the auxiliary structure 22, this electro-magnet can set up with the through-hole in the auxiliary structure 22 relatively, be used for letting the telescopic rod 3 stretch out when the flexible display screen 1 stretches out, and fix the.
Specifically, when the flexible display screen 1 extends out, the electromagnet is kept in a power-on state to generate magnetic force, the other end of the telescopic rod 3 accommodated in the main body structure 21 is sucked out, and the other end of the telescopic rod 3 penetrates through holes in the main body structure 21 and the auxiliary structure 22 and is fixed with the electromagnet in the auxiliary structure 22; when the flexible display screen 1 is completely accommodated in the main structure 21 of the winding drum 2, the electromagnet is powered off, and the telescopic rod 3 is completely accommodated in the main structure 21 of the winding drum 2.
In the embodiment provided by the present invention, the flexible display module further includes a sensor (not shown in fig. 4), one end of the sensor is electrically connected to one end of the telescopic rod 3, the other end of the sensor is connected to a portion of the electromagnet, which is used for fixing the other end of the telescopic rod 3, the sensor is used for measuring the resistance value of the telescopic rod 3, and the principle of the sensor is the same as that of the ohmmeter.
Referring to fig. 4, the telescopic rod 3 includes a plurality of resistors, the resistor 31 fixed in the winding drum 2 has a receiving slot (shown by a dotted line in fig. 4), the resistor 32 at the farthest end is in a strip shape, the plurality of resistors 33 are sleeved between the resistor 31 fixed in the winding drum 2 and the resistor 32 at the farthest end, and when the flexible display screen 1 is unfolded, the plurality of resistors in the telescopic rod 3 are unfolded from the resistor 32 at the farthest end in the opposite direction of the first direction X.
In the embodiment provided by the invention, the resistor 31 fixed in the winding drum 2 in the telescopic rod 3 is provided with an accommodating groove, the resistor 32 at the farthest end is provided with a strip shape, and the multi-section resistor 33 is sleeved between the resistor 31 and the resistor 32, so that the telescopic rod 3 and the flexible display screen 1 can be accommodated in the winding drum 2 at the same time, when the flexible display screen 1 is pulled out, the multi-section resistor in the telescopic rod 3 is unfolded from the resistor 32 in the opposite direction of the first direction X section by section, and the pulled-out length of the flexible display screen 1 can be measured by measuring the resistance value of the telescopic rod 3, because the resistance value of the telescopic rod 3 is not influenced by external light, when a user uses the flexible display module provided by the embodiment of the invention, the extending length of the flexible display screen can be accurately measured no matter under the environment with good light or under the environment with poor light, and further, a display picture suitable for the unfolding length of the flexible display screen is provided for a user, and the display effect is effectively improved.
In the embodiment provided by the present invention, the telescopic rod 3 and the flexible display screen 1 may be accommodated in the same side of the winding drum 2, or may be accommodated in different sides of the winding drum 2, which is not limited specifically.
Optionally, in the embodiment provided by the present invention, the lengths of the resistors in the telescopic rod 3 are the same.
By setting each resistance in the telescopic link 3 to the same length, the pull-out length of the telescopic link 3 can be determined quickly.
Referring to fig. 6-8, fig. 6 is a schematic structural diagram of two resistors sleeved with each other according to an embodiment of the present invention, fig. 7 is a partially enlarged view of a dashed-line frame internal resistor 31 in fig. 6 according to an embodiment of the present invention, and fig. 8 is a partially enlarged view of a dashed-line frame internal resistor 33 in fig. 6 according to an embodiment of the present invention. When the two sections of resistors (taking the resistor 31 and the resistor 33 sleeved on the resistor 31 as an example) sleeved with each other are unfolded along the direction opposite to the first direction X, the two sections of resistors are connected through the snap component 34; the elastic buckle assembly 34 includes an elastic buckle protrusion 341 and an elastic buckle groove 342, the elastic buckle protrusion 341 is located on the outer side wall of the resistor 33 near the end of the winding drum 2, and the elastic buckle groove 342 is located on the inner side wall of the opening of the corresponding sleeved resistor 31 near the receiving groove.
When the resistor 33 is accommodated in the accommodating groove of the resistor 31 (the resistor 33 is shown by a dotted line in fig. 6), the snap projection 341 on the resistor 33 is pressed and accommodated in the accommodating groove of the resistor 31 under the influence of the pressing force of the inner side wall of the resistor 31; when the resistor 33 is pulled out (shown by a solid line in fig. 6), the latch protrusion 341 is stretched by the influence of the tension when it reaches the position of the latch groove 342, and is caught in the latch groove 342.
Through set up bullet knot arch 341 and bullet knot recess 342 on two sections resistances of establishing each other cover, when telescopic link 3 expandes, can make the accurate joint of resistance in telescopic link 3 correspond the position, can make telescopic link 3's extension length remain stable, be difficult for receiving external disturbance to the resistance value of measurement telescopic link 3 when expanding that can be accurate.
It should be noted that, in the embodiment provided by the present invention, the resistor 31 has only the snapping recess 342, the resistor 32 has only the snapping protrusion 231, and the plurality of resistors 33 between the resistor 31 and the resistor 32 have both the snapping recess 342 and the snapping protrusion 341.
Referring to fig. 9 and 10, fig. 9 is a left side view of the snap projection provided in the embodiment of the present invention as an annular projection, and fig. 10 is a left side view of the snap projection provided in the embodiment of the present invention as a dot projection.
In the embodiment of the present invention, the snapping protrusions 341 are ring-shaped protrusions (shown as a mesh filling in fig. 9), or dot-shaped protrusions (shown as a mesh filling in fig. 10).
Lead to protruding 341 of buckleing to set up to the annular arch, can effectually reduce the protruding 341's of buckleing processing degree of difficulty to improve the generation efficiency.
Since the snap projections 341 are dot-shaped projections, when the telescopic rod is stored, the resistor in the telescopic rod 3 can be stored more easily because there is a gap between the dot-shaped projections.
Optionally, the snap groove 342 is an annular groove.
By arranging the elastic buckle groove 342 as an annular groove, when the telescopic rod 3 is stored, the elastic buckle protrusion 341 can be conveniently pushed into the corresponding accommodating groove from the elastic buckle groove 342 along the first direction X; when the telescopic rod 3 is unfolded, the elastic buckle protrusion 341 can be ensured to be clamped in the elastic buckle groove 342, so that the user experience is improved.
Optionally, in the embodiment provided by the present invention, the bottom of the resistor having the receiving groove may be conductive, the snap assembly 34 may be conductive, the outer sidewall of the receiving groove is insulated, and the inner sidewall may be conductive; one end of the long-strip-shaped resistor 32 close to the winding drum 2 can conduct electricity, and the outer side wall is insulated.
When the flexible display screen is unfolded, the telescopic rod 3 can extend out section by section; when the resistor 33 in the telescopic rod 3 is in an extended state, the snap projection 341 at the end part of the resistor 33 is in contact with the snap recess 342 of the lower resistor 31, so that the resistor 33 is connected in series with the resistor 31, the resistance value of the telescopic rod is increased, the display area of the flexible display screen 1 is increased immediately, when all the resistors in the telescopic rod 3 are extended, all the resistors in the telescopic rod 3 are connected in series, the resistance value of the telescopic rod 3 is the largest, and the display picture of the flexible display screen is the largest.
The bottom of the resistor with the accommodating groove and one end of the resistor 32 close to the winding drum 2 are set to be conductive, so that one ends of the resistors close to the winding drum 2 can be mutually conducted when the telescopic rod 3 is in an accommodating state, the elastic buckle assembly 34 is set to be conductive, the resistance value of the telescopic rod 3 can be correspondingly increased when the telescopic rod 3 is unfolded, and the accuracy of measuring the resistance value of the telescopic rod can be effectively improved; the outer side wall of the accommodating groove is set to be insulating, the inner side wall is set to be conductive, resistance can be effectively prevented from being changed continuously in the extending process of the telescopic rod 3, and shaking of a display picture is enabled to occur.
Optionally, in the embodiment provided by the present invention, the resistance value of each resistor is the same.
In the embodiment provided by the invention, the telescopic rod 3 is made of conductive metal, and as the length and the resistance value of each section of resistor in the telescopic rod 3 are the same, according to the formula of the resistor:
wherein R is a resistance value, rho is a proportionality coefficient, l is a length of the resistance, and S is a sectional area of the resistance.
The radius of the resistor in the telescopic rod 3 is R from the first section to the nth section in turn,
where R is the cross-sectional radius of the resistor 32.
In the embodiment provided by the invention, the telescopic rod 3 can also be used as a supporting structure of the flexible display screen for supporting the flexible display screen.
In the embodiment provided by the invention, the telescopic rod 3 has certain hardness, and can be made of conductive metal materials with good hardness, such as copper. When flexible display screen 1 expandes like this, telescopic link 3 can also effectively support flexible display screen 1 to improve user experience.
The flexible display screen 1 may be an OLED display screen or an LCD display screen.
Based on the same inventive concept, an embodiment of the present invention provides a display device, please refer to fig. 11, which is a schematic diagram of a display device according to an embodiment of the present invention, and the display device includes any one of the above-mentioned flexible display modules.
The display device can be a monitor, a television mobile phone, a tablet computer, a notebook computer and the like.
Referring to fig. 12, based on the same inventive concept, an embodiment of the present invention provides a control method for displaying on the display device, where the control method includes:
step 1201: and detecting the resistance value of the telescopic rod.
The resistance value of the telescopic rod may be detected at fixed time intervals, or may be detected after detecting that the position of the display device changes, such as being lifted or pulled (for example, may be determined by a gravity sensor), and specifically, when the resistance value of the telescopic rod is detected, which is not limited herein.
After the resistance of the retractable rod is detected, step 1202 is performed.
Step 1202: determining a pull-out length of the flexible display screen based on the resistance value.
And (3) calculating the pulling length of the telescopic rod according to the formula (1) and the detected resistance value of the telescopic rod, wherein the telescopic rod and the flexible display screen are pulled out synchronously, so that the pulling length of the telescopic rod is the pulling length of the flexible display screen.
After the pull-out length of the flexible display is determined, step 1203 may be performed.
Step 1203: and acquiring a pulling-out area of the flexible display screen according to the pulling-out length.
Since the width of the flexible display is known, after the pull-out length of the flexible display is determined, the pull-out area of the flexible display can be determined in combination with its width.
After determining the pull-off area of the flexible display, step 1204 may be performed.
Step 1204: and taking the pull-away area as a user interface display area of the flexible display screen.
After the pull-off area of the flexible display screen is determined, the pull-off area is used as a user interface display area of the flexible display screen, and an image to be displayed is displayed in the user interface display area.
Fig. 13 is a flowchart illustrating operation of the display device according to the embodiment of the present invention.
Step 1301: at the beginning, i.e. the initial state, the flexible display 1 is rolled around the axis of rotation in the roll 2 within the body structure 21 of the roll 2.
Step 1302: after the activation, when the user holds the main structure 21 of the winding drum 2 with one hand and pulls the auxiliary structure 22 of the winding drum 2 with the other hand, the flexible display screen 1 gradually extends, the telescopic rod 3 extends synchronously, and the resistance value of the telescopic rod 3 changes accordingly.
Step 1303: and the sensor is arranged in the main structure of the winding drum 2 and used for detecting the start of the operation of the sensor of the telescopic rod 3.
Step 1304: the resistance value is identified, and the resistance value of the telescopic rod 3 is identified through the sensor.
Step 1305: and controlling the resolution, wherein the controller in the main structure 21 of the winding drum 2 converts the resistance value of the telescopic rod 3 identified by the sensor to obtain the size of the flexible display screen 1 of the extending part, and then controls the resolution of the flexible display screen 1 of the extending part.
Step 1306: displaying an image, and displaying the image in the flexible display screen 1 of the extending part by the controller according to the resolution of the flexible display screen 1 of the extending part to achieve the purpose of displaying only the flexible display screen of the extending part; meanwhile, the used telescopic rod 3 has certain hardness, so that the telescopic rod 3 can also play a role in supporting the flexible display screen.
When the resistance value of the telescopic rod 3 is changed, step 1307 is executed, otherwise step 1308 is executed.
Step 1307: when the resistance value is changed and the flexible display screen is continuously pulled out again, step 1303 is executed, and the sensor continuously recognizes the resistance value of the telescopic rod 3.
Step 1308: and (6) ending.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. The utility model provides a flexible screen display module which characterized in that includes:
the flexible display screen can be coiled and stored in the winding drum along a first direction;
the telescopic link is followed the first direction sets up the flexible display screen deviates from one side of display surface, the resistance value of telescopic link with the extension length of flexible display screen is the direct ratio.
2. The flexible screen display module of claim 1, wherein one end of the telescoping rod is fixed in the reel, and the other end is fixed at the farthest end of the flexible display screen away from the reel; when the flexible display screen is completely stored in the winding drum, the telescopic rod is located in the winding drum.
3. The flexible screen display module of claim 2, wherein the retractable rod comprises a plurality of resistors, the resistor fixed in the winding drum has a receiving slot, the resistor at the farthest end is in a strip shape, the plurality of resistors are sleeved between the resistor fixed in the winding drum and the resistor at the farthest end, and when the flexible display screen is unfolded, the plurality of resistors in the retractable rod are unfolded from the resistor at the farthest end in the opposite direction of the first direction.
4. The flexible screen display module of claim 3, wherein the resistors are each the same length.
5. The flexible screen display module of claim 3, wherein the two sets of resistors nested within each other are connected by a snap assembly when deployed in a direction opposite to the first direction; the elastic buckle component comprises an elastic buckle protrusion and an elastic buckle groove;
the elastic buckle bulge is positioned on the outer side wall of the resistor close to the end of the winding drum;
the spring buckle groove is located on the inner side wall of the opening of the accommodating groove, and the inner side wall corresponds to the sleeved resistor.
6. The flexible screen display module of claim 5, wherein the snap protrusions are annular protrusions or dot-shaped protrusions.
7. The flexible screen display module of claim 6, wherein the snap groove is an annular groove.
8. The flexible screen display module of claim 7, wherein the bottom of the resistor with the receiving slot is conductive, the snap assembly is conductive, the outer sidewall of the receiving slot is insulating, and the inner sidewall is conductive;
one end of the long-strip-shaped resistor, which is close to the winding drum, can conduct electricity, and the outer side wall of the long-strip-shaped resistor is insulated.
9. The flexible screen display module of any one of claims 1-8, wherein each resistor has the same resistance value.
10. The flexible screen display module of claim 9, further comprising a sensor electrically connected to both ends of the telescoping rod for measuring the resistance of the telescoping rod.
11. A display device comprising the flexible screen display module according to any one of claims 1 to 10.
12. A control method of controlling a display device according to claim 11 to perform display, comprising:
detecting the resistance value of the telescopic rod;
determining a pull-out length of the flexible display screen based on the resistance value;
acquiring a pull-out area of the flexible display screen according to the pull-out length;
and taking the pull-off area as a user interface display area of the flexible display screen.
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| WO2022193358A1 (en) * | 2021-03-18 | 2022-09-22 | 武汉华星光电半导体显示技术有限公司 | Slidable flexible display device |
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Application publication date: 20200512 |