WO2019093593A1 - Display device - Google Patents

Abstract

A display device is disclosed. The display device comprises: a housing having a base; a roller provided on the base; a plate having the rear surface coming in contact with the outer circumferential surface of the roller and the front surface facing the rear surface, and being wound around or unwound from the roller; a display panel provided on the front surface of the plate; and a link connected to the plate and the housing and elevating the plate.

Description

Display device

The present invention relates to a display device.

(PDP), an electro luminescent display (ELD), a vacuum fluorescent display (VFD), a liquid crystal display (PDP), and the like have been developed in recent years in response to the demand for display devices. Display) have been studied and used.

Among these, a display device using an organic light emitting diode (OLED) has an advantage of being excellent in luminance characteristics and viewing angle characteristics as compared with a liquid crystal display device, and can be realized as an ultra thin type because it does not require a backlight unit.

In addition, the flexible display can be bent or wound on rollers. A flexible display can be used to implement a display device that expands or rolls on rollers as needed. At this time, there is a problem in that the flexible display is stably wound around the roller or loosened by the roller.

The present invention is directed to solving the above-mentioned problems and other problems.

Another object of the present invention is to provide a display device that can be released from a roller while maintaining the symmetry of the display portion wound on the roller by using a lead screw.

Another object of the present invention is to provide a display device that can be wound around a roller while maintaining the symmetry of the display portion using a lead screw.

Another object of the present invention is to provide a display device capable of reducing a load of a motor assembly by using a spring when releasing a display portion from a roller.

Another object is to provide a display device capable of reducing the load of the motor assembly using a pusher when releasing the display portion from the roller.

Another object of the present invention is to provide a display device capable of reducing the load on the motor assembly by improving the connection position of the load and the link when the load received from the motor assembly stands up the link to which the display unit is connected.

Another object of the present invention is to provide a display device including a structure capable of preventing interference between a rod and a lead screw when the rod that receives power from the motor assembly stands up the link to which the display is connected.

Yet another object is to provide a display device that reduces the volume of a display device by winding the display portion on a roller.

Yet another object is to provide a display device for displaying an image through a front surface of a housing with the display portion completely wrapped around the roller.

Another object of the present invention is to provide a display device having a laminated structure of a first base and a second base.

Another object of the present invention is to provide a thin display device by applying a laminated structure of a first base and a second base.

Another object is to provide a display device that can reinforce the rigidity of the second base and the second base can be prevented from striking due to components installed in the second base.

Another object of the present invention is to provide a display device capable of preventing the display portion from stagnation by contacting the auxiliary roller with the display portion.

Another object of the present invention is to provide a display device capable of adjusting an unfolding position of a display portion by contacting an auxiliary roller with the display portion.

Another object is to provide a display device capable of sensing the position of a slide by applying a sensor.

Another object is to apply a sensor to provide a display device capable of sensing the minimum position of the pusher.

Another object is to provide a display device in which the link can support the rear surface of the display portion and the display portion can operate stably.

Another object of the present invention is to provide a display device capable of preventing a wrinkling phenomenon occurring in the upper portion of a display portion.

According to an aspect of the present invention, there is provided a display device including a housing having a base, a roller provided on the base, a rear surface contacting the outer circumferential surface of the roller, and a front surface opposed to the rear surface, A display panel provided on a front surface of the plate, and a link connected to the plate and the housing, and a link for moving the plate up and down.

The display panel may include a first part wound on the roller and a second part facing the front of the housing, the first part being located between the roller and the front surface of the housing.

The display device includes a first sub-roller facing the roller and positioned in front of the first part, and the first sub-roller may contact the display panel.

The first sub-roller may be installed inside the housing.

The orthogonality of the first sub-rollers with respect to the base may overlap the orthogonality of the rollers with respect to the base.

The orthogonality of the first sub-roller with respect to the base may be spaced apart from the orthogonality of the roller relative to the base.

The display device includes a second sub-roller which is opposed to the roller and is located behind the first part, and the second sub-roller is in contact with the plate.

The front surface of the housing may include a light transmissive material, and the light transmissive material may face the second part.

The front surface of the housing may include a hole facing the second part.

The display device may include a shutter for opening and closing the hole.

The first auxiliary roller may be located above or below the light transmitting material.

The first sub-roller may be located above or below the hole.

The plate is located inside the housing, and the second part can display an image.

The display panel may include a third part located outside the housing, the second part may display a first image, and the third part may display a second image.

And a second base spaced above the roller and spaced apart from a front surface of the housing, the plate passing between the second base and the front surface of the housing, Can be connected to the base.

The plate may have a plurality of openings.

The plurality of openings may be spaced apart in the longitudinal direction of the roller.

The plurality of openings may be spaced apart in a direction in which the plate is wound on the roller.

The plurality of openings may be in the form of a slit that is elongated along the longitudinal direction of the roller.

And a resin layer coupled to a rear surface of the plate.

The display device may include a second base provided on the housing, facing the first base, and located on the upper side of the roller and having a plate shape.

The link may be connected to the plate and the second base.

The second base includes a second plate opposite to the first base and a rib connected to the second plate at a front end and a rear end thereof and extending along the longitudinal direction of the plate, A first space may be formed between the plates.

The display device may include a first reinforcing plate disposed between the first base and the second base and supporting the second base.

The first reinforcing plate may have a curved surface formed along an outer circumferential surface of the roller.

The display device may include a second reinforcing plate which is located behind the first reinforcing plate and is fastened to the first base and the first reinforcing plate.

The first base or the second base may include a beam formed along the longitudinal direction.

The link includes a first arm pivotably connected to the plate and a second arm pivotally connected to the first arm and pivotally connected to the second base, A lead screw provided on the second base, a motor assembly for driving the lead screw, a slide moving on the lead screw in accordance with the rotation of the lead screw, one side connected to the slide, And < / RTI >

Wherein the display device includes a guide rail extending along the leadscrew, the slide having a first part engaged with the guide rail and a second part coupled to the upper part of the first part, And one side of the rod may be connected to the second part.

Wherein the display device includes a first stopper provided on one side of the guide rail and a second stopper provided on the other side of the guide rail, and the slide moves between the first stopper and the second stopper .

The display device may include a first sensor adjacent to the guide rail and a first sensor to be provided on a rear surface of the second part, and the first sensor may sense the first sensor.

Wherein the display device includes a second sensor adjacent to the first stopper or a second stopper and a second sensor to be provided on a rear surface of the second part, When the second stopper is hooked on the stopper or the second stopper, the second sensing unit can be sensed.

The second arm may have a first projection projecting in the rising direction of the second arm, and the other side of the rod may be coupled to the first projection.

The display device includes a link mount having an axis and installed on the second base, and a second protrusion, which is located behind the second arm and extends along the second arm, and protrudes in the rising direction of the second arm The second arm may be connected to the shaft, the third arm may be connected to the shaft, and the other side of the rod may be coupled to the second projection.

The second arm supports the plate, and the distance between the plate and the rod may be substantially the same as the sum of the thickness of the one protrusion and the thickness of the second protrusion.

Wherein the display device is coupled to an upper side of the plate, the pusher positioned above the second base, and the spring connecting the second base and the pusher, the spring being supported from the second base , Providing an elastic force to the pusher, the pusher being capable of contacting the top bar when the top bar is proximate the housing.

The display device further comprises a link mount mounted on the second base, the second arm being pivotably connected and forming a second space open upward, the spring being received in the second space The pusher may include a tail coupled to the spring, a tail received in the second space, and a head formed on the tail.

Wherein the link mount is formed on a rear surface of the link mount and includes a hole formed to be elongated in the vertical direction connecting the second space and the outside, the pusher being protruded from the tail, And the protrusion can move between the upper and lower ends of the hole.

When the projection is hooked on the lower end of the hole, the head is hooked onto the link mount, and the head can have a minimum height.

The display device may include a third sensor mounted on the link mount, and the third sensor may sense the protrusion when the protrusion is caught by the lower end of the hole.

The display device may have a maximum height when the projection is caught on the top of the hole.

The effect of the display device according to the present invention will be described below.

According to at least one of the embodiments of the present invention, the left and right symmetry of the display portion wound on the roller can be maintained by using the lead screw and can be released from the roller.

According to at least one of the embodiments of the present invention, the lead screw can be used to wind the roller while maintaining the left-right symmetry of the display portion.

According to at least one of the embodiments of the present invention, when the display portion is released from the roller, the load of the motor assembly can be reduced by using the spring.

According to at least one of the embodiments of the present invention, when releasing the display portion from the roller, the pusher can be used to reduce the load on the motor assembly.

According to at least one of the embodiments of the present invention, when the rod that receives the power from the motor assembly stands up the link connected to the display unit, the connection position of the rod and the link can be improved, and the load of the motor assembly can be reduced.

According to at least one of the embodiments of the present invention, it is possible to prevent interference between the rod and the lead screw when the rod that receives the power from the motor assembly stands up the link connected to the display unit.

According to at least one of the embodiments of the present invention, the volume of the display device can be reduced by winding the display portion on the roller.

According to at least one of the embodiments of the present invention, the image can be displayed through the front surface of the housing with the display portion completely wound on the roller.

According to at least one of the embodiments of the present invention, the first base and the second base may have a laminated structure.

According to at least one of the embodiments of the present invention, by applying the laminated structure of the first base and the second base, the thickness of the display device can be reduced.

According to at least one of the embodiments of the present invention, the rigidity of the second base can be reinforced, and the second base can be prevented from striking due to the components installed in the second base.

According to at least one of the embodiments of the present invention, the auxiliary roller contacts the display portion, thereby preventing the display portion from being struck.

According to at least one of the embodiments of the present invention, the auxiliary roller is in contact with the display portion, so that the deployment position of the display portion can be adjusted.

According to at least one of the embodiments of the present invention, the position of the slide can be sensed by applying a sensor.

According to at least one of the embodiments of the present invention, a sensor can be applied to sense the minimum position of the pusher.

According to at least one of the embodiments of the present invention, the link can support the rear surface of the display portion, and the display portion can operate stably.

According to at least one of the embodiments of the present invention, it is possible to prevent a wrinkling phenomenon occurring in the upper portion of the display unit.

Further scope of applicability of the present invention will become apparent from the following detailed description. It should be understood, however, that the detailed description and specific examples, such as the preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.

1 to 16 are views showing a configuration of a display unit related to the present invention.

18 to 39 are views showing the configuration of a display device related to the present invention.

40 to 47 are views showing the structure of the upper structure to which the display unit of the present invention is connected.

48 to 59 are views showing a display device according to an embodiment of the present invention.

60 to 70 are views showing a display device according to another embodiment of the present invention.

The cover 36 can cover the hole 30b. The cover 36 may be referred to as a shutter 36. The display area 20c may correspond to the hole 30b or the cover 36. Fig. The display area 20c may face the cover 36. Fig. If the cover 36 covers the hole 30b, the display area 20c may not display an image.

Referring to Fig. 63, the cover 36 can move downward. The display area 20c may be exposed to the outside through the hole 30b. The display area 20c can display an image.

64, the top case 950 may not be exposed to the outside of the housing 30 when the display unit 20 is wound on the roller 143 to the maximum. The display area 20c can display the image I1. The user can see the image I1 through the hole 30b. The display unit 20 other than the display area 20c may not display an image.

Referring to FIG. 65, the display unit 20 may be deployed outside the housing 30. The display unit 20 may display the first image I2. The cover 36 can cover the hole 30b.

Referring to FIG. 66, the display region 20c may be exposed to the outside through the hole 30b. And the display area 20c can display the second image I1. The first image I2 and the second image I1 may be independent images that are not related.

Referring to FIG. 67, a window 37 may be formed on the front surface of the housing 30. The window 37 may comprise a light transmissive material. The light transmitting material may be glass or resin. The display area 20c may face the window 37. [

The window 37 may comprise a material capable of controlling light transmission. When the display area 20c displays an image, the light transmittance of the window 37 can be increased. When the display area 20c does not display an image, the light transmittance of the window 37 can be lowered.

68, the housing 30c may be in the shape of a cylinder. The cross section of the housing 30c may be circular or elliptical. The hole 30e may be formed in front of the display unit 20. [ The hole 30e may be covered with a light-transmitting material. The light transmitting material may be glass or resin. The cover 36a can cover the hole 30e. The cover 36a may have a curved surface corresponding to the curved surface of the housing 30c. The display area 20c may face the cover 36a. If the cover 36a covers the hole 30e, the display area 20c may not display an image. The stand 30d can be coupled to the lower side of the housing 30c. The stand 30d can support the housing 30c.

Referring to Fig. 69, the cover 36a can move downward. The display area 20c may be exposed to the outside through the hole 30e. The display area 20c can display an image.

Referring to FIG. 70, the window 36b may be formed in front of the display unit 20. FIG. The window 36b may comprise a light transmissive material. The light transmitting material may be glass or resin. The display area 20c may face the window 36b.

The window 36b may include a material capable of adjusting the light transmittance. When the display area 20c displays an image, the light transmittance of the window 36b can be increased. When the display area 20c does not display an image, the light transmittance of the window 36b can be lowered.

It is to be understood that certain or any of the embodiments of the invention described above are not mutually exclusive or distinct from each other. Any or all of the embodiments of the invention described above may be combined or combined with each other in configuration or function.

The foregoing detailed description should not be construed in all aspects as limiting and should be considered illustrative. It is intended that the scope of the invention be determined by rational interpretation of the appended claims and that all changes which come within the meaning and range of equivalency of the invention are intended to be embraced therein

Claims (20)

housing; A first base provided on the housing and having a plate shape; A roller installed on the first base; A plate having a rear surface contacting the outer circumferential surface of the roller and a front surface opposed to the rear surface, the roller being wound on or unwound from the roller; A display panel provided on a front surface of the plate; And a link coupled to the plate and the housing to raise and lower the plate. The method according to claim 1, The display panel includes: A first part wound on the roller; And a second part facing a front surface of the housing, The first part, The roller and the front surface of the housing. The method according to claim 1, And a first auxiliary roller facing the roller and positioned in front of the first part, And the first sub-roller is in contact with the display panel. The method according to claim 1, The first sub- And a display device installed inside the housing. The method of claim 3, Wherein the first auxiliary roller has an orthogonal projection with respect to the first base, Wherein the first base is overlapped with the orthogonal projection of the roller relative to the first base. The method of claim 3, Wherein the first auxiliary roller has an orthogonal projection with respect to the first base, Wherein the first base is spaced apart from the orthogonal projection of the roller relative to the first base. The method of claim 3, And a second auxiliary roller facing the roller and positioned behind the first part, And the second sub-roller is in contact with the plate. The method of claim 2, The front surface of the housing Comprising a light transmissive material, The light- And the second part faces the second part. The method of claim 2, The front surface of the housing And a hole facing the second part. The method of claim 9, And a shutter for opening and closing the hole. The method according to claim 1, And a second base provided on the housing and facing the first base, the second base being positioned on the upper side of the roller, The link includes: And a display device connected to the plate and the second base. The method of claim 11, The second base comprises: A second plate facing the first base; And, And a rib connected to the second plate at the front end and the rear end and extending along the longitudinal direction of the plate, And a first space is formed between the rib and the second plate. The method of claim 11, And a first reinforcing plate disposed between the first base and the second base and supporting the second base. 14. The method of claim 13, The first reinforcing plate may be formed of, And a curved surface formed along an outer circumferential surface of the roller. 14. The method of claim 13, And a second reinforcing plate that is located behind the first reinforcing plate and is fastened to the first base and the first reinforcing plate. The method of claim 11, The first base or second base comprises: And a beam formed along the longitudinal direction. The method of claim 11, The link includes: A first arm pivotally connected to the plate; And, And a second arm pivotally connected to the first arm and pivotally connected to the second base, A lead screw installed on the second base; A motor assembly installed in the second base for driving the lead screw; A slide moving on the leadscrew in accordance with the rotation of the leadscrew; And, And a rod having one side connected to the slide and the other side connected to the second arm. 18. The method of claim 17, And a guide rail extending along the lead screw, Said slide comprising: A first part engaged with the guide rail; And, And a second part coupled to the upper part of the first part and penetrating the lead screw, One side of the rod And the second part is connected to the second part. 19. The method of claim 18, A first stopper provided on one side of the guide rail; And, And a second stopper provided on the other side of the guide rail, The slide And moving between the first stopper and the second stopper. Claim 18 A first sensor adjacent the guide rail; And, And a first sensing unit provided on a rear surface of the second part, Wherein the first sensor comprises: And detects the first sensed sensing unit.

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