KR20200080529A - Neck band type flexible display device - Google Patents

Abstract

According to the embodiments of the present invention, provided is a neckband-type flexible display device capable of providing a convenience of use by allowing a user to carry a display device while mounting the display device on the neck and shoulder parts of the user and to pull in/out the display device from and to the outside when required by the user. The neckband-type flexible display device comprises: a neckband housing; a flexible display panel; and a roller.

Description

Neckband type flexible display device {NECK BAND TYPE FLEXIBLE DISPLAY DEVICE}

Embodiments of the present invention relates to a display device, and more specifically, it is possible to carry the display device while being mounted on a user's neck and shoulder, and the display panel is drawn into and out of the housing according to the user's needs. The present invention relates to a neckband-type flexible display device capable of being withdrawn and adding convenience.

In general, a flat panel display device includes a liquid crystal display device, a plasma display device, a field emission display device, and a light emitting display device. Although actively researched, liquid crystal display devices and light-emitting display devices are in the spotlight in terms of mass production technology, ease of driving means, and realization of high image quality.

Recently, in addition to R&D of technical disadvantages of flat panel display devices, the necessity of R&D in the structural aspect of display products such as rolling type and folder type, which can more appeal to consumers, has been highlighted.

However, such a conventional display device has a problem in that it is inconvenient to carry, or a wearable device mounted on a user's body is impossible, thereby reducing convenience.

In addition, the recently used wireless sound device is equipped with a wearable device that can be mounted on the user's head, shoulders, neck, ears, etc., but there is a problem that a display device capable of checking an image on a screen is not provided.

Therefore, there is a need for research to solve the aforementioned problems.

Against this background, an object of the embodiments of the present invention is to provide a neckband type flexible display device that can be carried in a form that can be mounted on a user's body according to a user's needs.

Another object of the embodiments of the present invention is to provide a neckband type flexible display device capable of adding convenience to a user by allowing the display panel to be drawn in and out while the display panel is being rolled. have.

In addition, the purpose of the embodiments of the present invention is not limited to this, and other objects not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, embodiments of the present invention, it is possible to carry the display device mounted on the neck and shoulders of the user, and the display panel is drawn into and out of the housing according to the user's needs. Provided is a neckband type flexible display device capable of adding convenience to a user.

As described above, according to embodiments of the present invention, in the display device, there is an effect that the display device can be carried in a form that can be mounted on the user's body according to the needs of the user.

In addition, according to embodiments of the present invention, in the display device, the display panel is rolled in and out and inside and outside of the housing, so that it is possible to add convenience to the user.

1 and 2 are a perspective view schematically showing a neckband type flexible display device according to embodiments of the present invention,
3 to 7 are cross-sectional views showing a part of a neckband-type flexible display device according to embodiments of the present invention,
8 is a perspective view showing a modified embodiment of a neckband type flexible display device according to embodiments of the present invention;
9 to 11 are cross-sectional views showing a part of a neckband-type flexible display device according to embodiments of the present invention,
12 is a perspective view illustrating a part of a neckband type flexible display device according to embodiments of the present invention.

Hereinafter, some embodiments of the embodiments of the present invention will be described in detail with reference to exemplary drawings. In adding reference numerals to the components of each drawing, the same components may have the same reference numerals as possible even though they are displayed on different drawings. In addition, in describing embodiments of the present invention, when it is determined that a detailed description of related known configurations or functions may obscure the gist of embodiments of the present invention, detailed descriptions thereof may be omitted.

In addition, in describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), (b) may be used. These terms are only for distinguishing the component from other components, and the essence, order, order, or number of the component is not limited by the term. When a component is described as being "connected", "coupled" or "connected" to another component, the component may be directly connected to or connected to the other component, but different components between each component It should be understood that the "intervenes", or each component may be "connected", "coupled" or "connected" through other components.

1 and 2 are perspective views schematically showing a neckband type flexible display device according to embodiments of the present invention, and FIGS. 3 to 7 show some of a neckband type flexible display device according to embodiments of the present invention 8 is a perspective view showing a modified embodiment of a neckband-type flexible display device according to embodiments of the present invention, and FIGS. 9 to 11 are some of a neckband-type flexible display device according to embodiments of the present invention 12 is a perspective view illustrating a part of a neckband-type flexible display device according to embodiments of the present invention.

As shown in these drawings, the neckband-type flexible display device 100 according to embodiments of the present invention includes both neckband housing 110 and neckband housing 110 mounted around a user's neck and shoulder. It is provided on at least one end of the end (110a, 110b), the flexible display panel 101 that is drawn in and out of the neckband housing 110, and the flexible display panel 101 is a cylindrical neck wound It includes a roller 120 provided inside the band housing 110.

The neckband-type flexible display device according to the embodiments of the present invention can be carried while the display device is mounted on the user's neck and shoulder, and the display panel can be drawn in and out according to the user's needs. It is possible to add ease of use.

Here, the display panel in the present embodiments is a flexible display panel capable of realizing incoming and outgoing while rolling, and may be applied regardless of a liquid crystal display panel or a light emitting display panel.

That is, when the flexible display panel 101 is composed of a liquid crystal display panel, a backlight unit for irradiating light to the liquid crystal display panel, a lower polarizing plate attached to the lower substrate, and an upper polarizing plate attached to the front surface of the upper substrate are further included. The specific configuration of the lower substrate and the upper substrate may include a driving mode of the liquid crystal panel, for example, a twisted nematic (TN) mode, a vertical alignment (VA) mode, an in-plane switching (IPS) mode, and an FFS ( Depending on the Fringe field switching) mode, it may be formed in various forms known in the art.

In addition, when the flexible display panel 101 is configured as a light-emitting display panel, the light-emitting display panel includes a lower substrate including a plurality of light-emitting cells formed for each region defined by a gate line, a data line, and a power source (VDD) line, and It may be configured to include an upper substrate opposingly bonded to the lower substrate.

Further, each of the plurality of light emitting cells formed on the lower substrate is controlled according to switching of at least one switching transistor connected to the gate line and the data line, at least one driving transistor connected to the switching transistor and the power supply (VDD) line, and the driving transistor. It may be configured to include a light emitting device (for example, OLED) that emits light by a current, and the upper substrate includes a moisture absorbent or the like to protect the light emitting device from moisture or oxygen in the atmosphere.

In this case, the upper substrate may further include a light emitting element connected to the driving transistor, and in this case, the light emitting element of the lower substrate may be omitted.

In the embodiments of the present invention, a light emitting display panel is shown as an example, and a backlight unit emitting light as a structural panel emitting light by itself is not illustrated, and is referred to as a flexible display panel 101, which is hereinafter a light emitting display panel. It will be described as.

Since the organic compound in the pixel array of the light emitting display panel may deteriorate when exposed to moisture or oxygen, a metal encapsulation member is bonded to the back of the flexible display panel 101 to prevent such pixel deterioration. Can seal the pixel array.

Here, a polarizing film (not shown) may be attached to the front of the flexible display panel 101.

Further, in order to prevent light leakage from light emitted from the pixel array through the side surface, a side seal member made of a polymer material to which black pigment is added is provided on the side surface of the flexible display panel 101. Can.

In addition, a plurality of flexible circuit films having a driving IC mounted on at least one end of the flexible display panel 101 formed in a rectangular shape is electrically connected to the flexible display panel 101 and the printed circuit board.

In addition, a plurality of flexible circuit films are attached to the flexible display panel 101 and the printed circuit board by resin or the like by a tape automated bonding (TAB) process, such as a tape carrier package (TCP) or a chip on flexible board (COF) or Chip On Film).

Accordingly, the flexible display panel 101 is electrically connected to or connected to a printed circuit board through a plurality of flexible circuit films, and the printed circuit board is electrically connected to a plurality of flexible circuit films to provide flexible display panel 101. Provides various signals for displaying images.

The printed circuit board is electrically connected to a plurality of circuit films to provide various signals for displaying an image on the flexible display panel 101. The printed circuit board includes a driving IC for driving the flexible display panel 101, and the like. It can be mounted.

The neckband housing 110 mounted around the neck and shoulder of the user is formed in a circular or elliptical shape with one side open, and can be bent with a predetermined elasticity.

In addition, the central portion of the neckband housing 110 mounted on the neck and shoulders is thin and has a shape that gradually expands such that the cross-section of the housing gradually increases toward both ends 110a and 110b.

In addition, the flexible display panel 101 that is drawn in and out of the neckband housing 110 while being wound or unfolded on the roller 120 provided inside the neckband housing 110 is connected to the neckband housing 110. ) Is provided on at least one end of both side ends 110a and 110b. In embodiments of the present invention, it is illustrated that flexible display panels 101 are provided at both end portions 110a and 110b, respectively.

The end of the neckband housing 110 is provided with an entrance/exit hole 113 in which the upper partition wall 111a is cut so that the flexible display panel 101 is drawn in and out, and the flexible display panel (at the edge of the entrance/exit hole 113) A damping member 113a is provided to absorb shock with the flexible display panel 101 when entering and withdrawing 101.

Accordingly, the flexible display panel 101 is inserted or withdrawn according to the user's needs, or when the user moves, the flexible display panel 101 collides with the entry/exit hole 113 to prevent the panel from being damaged by an impact.

And, as shown in Figures 3 and 4, the neckband housing 110 is provided with a cover member 130 rotatably coupled to the inside of the upper partition wall 111a, through the entry and exit holes 113 The cover member 130 is designed to be drawn in and out from the inside and outside of the neckband housing 110.

The cover member 130 forms an outer circumferential surface of the neckband housing 110 while blocking the entry/exit hole 113 in a state in which the neckband housing 110 is introduced, and vertically outside the neckband housing 110. When withdrawn, the side end of the flexible display panel 101 is supported.

In addition, the cover member 130 is provided with an upper cover member 131 and a lower cover member 133 that are disposed to be connected to each other in the longitudinal direction and overlap and can be folded.

That is, when the cover member 130 is drawn into the inside of the neckband housing 110, the upper cover member 131 and the lower cover member 133 are disposed to overlap the upper side and the lower side, and the neckband housing 110 When withdrawing to the outside, it is arranged to be connected in the longitudinal direction.

Ends of the upper cover member 131 and the lower cover member 133 are coupled to the hinge member 135 to have a folding structure. The entry and exit holes 113 are disposed to be disposed at both side ends of the flexible display panel 101. The upper partition walls 111a on both sides may be coupled to each other and provided in a pair.

The upper cover member 131 is provided with a support bracket 173 on the lower surface of the end, so as to be rotatably coupled with the mounting bracket 171 provided on the lower surface of the upper partition wall 111a, rotated based on the rotating shaft 176 The stopper 171a is provided at the end of the mounting bracket 171 to limit the rotational position of the upper cover member 131.

In addition, as illustrated in FIGS. 5 to 7, the link member 140 is provided on the rear surface of the flexible display panel 101 to support the inflow and outflow of the flexible display panel 101 while the link member 140 is unfolded and folded. You may.

That is, when the link member 140 is folded as shown in FIG. 5, the flexible display panel 101 is drawn into the neckband housing 110, and when the link member 140 is unfolded as shown in FIG. The flexible display panel 101 is drawn out of the neckband housing 110.

The link member 140 is a first support member 141 rotatably coupled to the rear surface of the flexible display panel 101, and an agent rotatably coupled to the inside of the upper partition wall 111a of the neckband housing 110. 2 support member 142, the flexible display panel 101 is disposed spaced apart from the back of the first support member 141 and the second support member 142 and the third support is connected to the connecting bar 145, respectively supported It may include a member 143.

The first support member 141 is rotatably coupled to the upper end of the flexible display panel 101 and the second support member 142 is a mounting bracket provided on the lower side of the upper partition wall 111a of the neckband housing 110. It is rotatably combined with (171).

In addition, the first support member 141 and the third support member 143 are connected to the connecting bar 145, and the second support member 142 and the third support member 143 are connected to the connecting bar 145. However, the third support member 143 is connected to and supported only by the connecting bar 145, so that when the flexible display panel 101 is drawn in and out, the connecting bar 145 is based on the third support member 143. The flexible display panel 101 is supported while being folded or unfolded.

And, at the upper end of the flexible display panel 101, the guide bezel supported on the outer side of the upper partition wall 111a on both sides of the withdrawal hole 113 when entering the inside of the neckband housing 110 through the withdrawal hole 113 ( 170) is provided, it is supported on the upper partition wall 111a on both sides of the withdrawal hole 113 when the flexible display panel 101 is drawn in.

On the other hand, looking at the roller 120 provided on the inner side of the neckband housing 110 with reference to FIGS. 3 to 7, the roller 120 rotates such that the flexible display panel 101 is wound on the outer circumferential surface. 121), the roller shaft 121 is built-in and both sides of the roller shaft 121 are supported on both sides of the inside, and a rotating support groove 123a is provided, and a flexible display panel 101 is formed by cutting the outer and inner peripheral surfaces in the longitudinal direction. The roller housing 123 provided with the incision and withdrawal cutout holes 123b, one end is coupled to the roller shaft 121 and the other end is coupled to the roller housing 123, so that the flexible display panel 101 is wound. It may include a torsion spring 125 providing an elastic force in the direction.

Here, although not shown in the drawing, the inside of the roller shaft 121 is formed as an empty space, and the driving IC for driving the flexible display panel 101 is mounted in the inside space of the roller shaft 121 as described above. Drive parts such as flexible circuit films, driving printed circuit boards, and control printed circuit boards may be incorporated.

In addition, since these driving parts are known technologies for driving the flexible display panel 101 in the technical field to which the present invention pertains, detailed descriptions thereof will be omitted.

Both sides of the roller shaft 121 is provided with a rotating shaft (121a) is supported and rotated in the support groove (123a) of the roller housing 123, although not shown in the drawing between the rotating shaft (121a) and the support groove (123a) The rotating support member such as a bearing or a bush may be provided.

The roller shaft 121 is rotated by the torsion spring 125's torsional elastic force, one end of the torsion spring 125 is coupled to the roller shaft 121 and the other end is coupled to the roller housing 123 to be flexible. The twisting elastic force is provided in the direction in which the display panel 101 is wound, that is, in the direction in which the flexible display panel 101 is drawn into the neckband housing 110.

And, the end of the neckband housing 110 is provided with a supporting partition 111c protruding from the inner side of the lower partition 111b so as to support the roller housing 123 and coupled to both ends of the roller housing 123, The roller housing 123 is not rotated and is fixed in place.

In addition, as shown in Figures 8 to 11, the lower end of the neckband housing 110, one end is supported by the user's shoulder or chest, and the other end is supported by the end of the neckband housing 110, the neck The height adjusting member 150 for adjusting the height of the end of the band housing 110 may be provided.

Therefore, the user can adjust the end of the neckband housing 110 by supporting the shoulder or chest by pulling out the height adjusting member 150 as necessary, so that the flexible display panel 101 is positioned at the user's eye level. There will be.

The height adjustment member 150 may be provided with a rubber or silicone or urethane material contact member 154 at one end supported by the user's shoulder or chest, thereby increasing the height when supported by the user's shoulder or chest. The adjustment member 150 is prevented from slipping away from the supported position.

Further, the lower end of the neckband housing 110 is provided with a receiving hole 115 in which the lower partition wall 111b is cut so that the height adjusting member 150 is drawn in and out, so that the user can adjust the height adjusting member 150 if necessary. ) To adjust the height, and when the use is completed, the height adjustment member 150 is introduced into the receiving hole 115 to reduce the volume, thereby increasing the convenience of carrying and use.

The height adjustment member 150 may have a cylindrical shape in which two or more are inserted into and coupled to each other to allow stretching and contraction in the longitudinal direction. As an example, the height adjustment member 150 may have one side. The first height adjusting member 151 is provided with a through hole 151a penetrating the outer circumferential surface and the inner circumferential surface at the end, and is communicated with the through hole 151a at one end inserted into the inside of the first height adjusting member 151 The second height adjustment member 152, which is provided with the communication hole 152a, is supported by the elastic member 153 supported on the inner surface of the second height adjustment member 152, and the communication hole 152a and the through hole 151a ) May be inserted into the button member 155.

In this case, the inside of the second height adjustment member 152 is provided with a support end portion 151b for supporting the position of the elastic member 153 to fix the position of the elastic member 153, and the button member 155 There may be provided with a locking jaw (155a) to prevent departure from the communication hole (152a).

In addition, as shown in FIG. 11, the height adjustment member 150 is provided with a screw portion 156 at one end, and a slit hole 154 in which the outer circumferential surface and the inner circumferential surface are cut in the longitudinal direction in the region where the screw 156 is provided. ) Is provided with the first height adjustment member 151, the first height adjustment member 151 is inserted into the second height adjustment member 152, the screw portion 156 is screwed to the first height adjustment member ( It may include a locking member 157 for fixing the second height adjustment member 152 while reducing the diameter of 151).

In this case, when the locking member 157 is tightened, the gap between the slit holes 154 is reduced, and the diameter of the first height adjusting member 151 is reduced, so that the user tightens and loosens the locking member 157 to obtain the first height. The withdrawal length of the adjusting member 151 can be adjusted.

In addition, as illustrated in FIG. 12, the first end portion 106a and the first end portion (in which the flexible display panel 101 is embedded) are built in such that end portions of the neckband housing 110 can be drawn in and out in the longitudinal direction. 106a) may be formed by being separated into a second end 106b into which it is inserted.

That is, according to the user's body shape or need, the flexible display panel 101 is built-in, and the first end 106a with the built-in flexible display panel 101 is pulled out to position the flexible display panel 101 away or the first end 106a is pulled in. The position of the flexible display panel 101 can be arranged close.

In this case, at the end of the first end 106a, the outer diameter is reduced and a protruding end 104 extending in the longitudinal direction is provided, and a protruding end 104 of the first end 106a is provided at the second end 106b. An insertion hole 108 that is inserted and pulled in and out is provided to accommodate the first end 106a.

In addition, in embodiments of the present invention, earphones 180 may be embedded with wires (not shown) at both end ends of the neckband housing 110.

This is the same as an earphone in a wireless sound device using Bluetooth and Wi-Fi, and since it is a known technology for providing wireless sound in the technical field to which the present invention belongs, a detailed description thereof will be omitted.

In addition, in the embodiments of the present invention, only the case of the light-emitting display panel has been described as an example, but as described above, the embodiments of the present invention are applicable even in the case of a liquid crystal display panel. Since it is a well-known technique in the technical field to which examples belong, a detailed description will be omitted below.

As described above, according to embodiments of the present invention, in the display device, there is an effect that the display device can be carried in a form that can be mounted on the user's body according to the needs of the user.

In addition, according to embodiments of the present invention, in the display device, the display panel is rolled in and out and inside and outside of the housing, so that it is possible to add convenience to the user.

In the above, even if all the components constituting the embodiments of the present invention are described as being combined or operated as one, the present invention is not necessarily limited to these embodiments. That is, within the scope of the present invention, all of the constituent elements may be selectively combined and operated.

In addition, the terms "include", "consist" or "have" as described above means that the corresponding component can be inherent, unless otherwise stated, and excludes other components. It should not be interpreted as being able to further include other components. All terms, including technical or scientific terms, have the same meaning as generally understood by a person skilled in the art to which the present invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted as being consistent with the meaning in the context of the related art, and are not to be interpreted as ideal or excessively formal meanings unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the claims below, and all technical spirits within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

101: flexible display panel 110: neckband housing
120: roller 121: roller shaft
123: roller housing 125: torsion spring
130: cover member 140: link member
150: height adjustment member 154: close contact member

Claims (18)

A neckband housing mounted around the neck and shoulders of the user;
A flexible display panel which is provided on at least one of both ends of the neckband housing, and which is drawn in and out of the neckband housing;
A roller provided inside the neckband housing in a cylindrical shape in which the flexible display panel is wound;
Neckband type flexible display device comprising a. According to claim 1,
A neckband type flexible display device having an entry/exit hole in which an upper partition wall is cut so that the flexible display panel is drawn in and out at an end of the neckband housing. According to claim 2,
The neckband housing is a neckband-type flexible display device provided with a damping member that absorbs a shock with the flexible display panel when the flexible display panel is drawn in and out at the edge of the entry/exit hole. According to claim 2,
The neckband housing is provided with a cover member rotatably coupled to the inner side of the upper partition wall and provided with a cover member which is drawn out vertically outward of the neckband housing through the entry/exit hole and supports a side end of the flexible display panel. Type flexible display device. The method of claim 4,
The cover member is provided with an upper cover member and a lower cover member disposed to overlap with an upper side and a lower side when entering the inner side of the neckband housing and connected in a longitudinal direction when drawing outward, and the upper cover member and An end of the lower cover member is a neckband-type flexible display device coupled with a hinge member. The method of claim 5,
The cover member is a neckband-type flexible display device coupled to upper partition walls on both sides of the entry/exit hole so as to be disposed on both side end portions of the flexible display panel. According to claim 2,
One side end is coupled to the flexible display panel, the other end is coupled to the neckband housing, further comprising a link member for supporting the inlet and withdrawal of the flexible display panel,
The link member,
A first support member rotatably coupled to a rear surface of the flexible display panel;
A second support member rotatably coupled to the inside of the upper partition wall;
A third support member disposed to be spaced apart from the rear surface of the flexible display panel and connected to the first support member and the second support member by a connecting bar, respectively;
Neckband type flexible display device comprising a. The method of claim 7,
A neckband-type flexible display device having a guide bezel supported on an outer surface of the upper partition wall when entering the inner side of the neckband housing at an upper end of the flexible display panel. According to claim 1,
The roller,
A roller shaft rotating to roll the flexible display panel on an outer circumferential surface;
The roller shaft is built-in, and both sides of the roller shaft are supported on both sides of the inside, and a rotating groove is provided, and a cutting hole is provided in which the flexible display panel is inserted and withdrawn by cutting the outer and inner circumferential surfaces in the longitudinal direction. housing;
A torsion spring having one end coupled to the roller shaft and the other end coupled to the roller housing to provide elastic force in a direction in which the flexible display panel is wound;
Neckband type flexible display device comprising a. The method of claim 10,
A neckband-type flexible display device having support partition walls protruding from an inner side of the lower partition wall to support the roller housing and coupled to both ends of the roller housing at an end of the neckband housing. According to claim 1,
A neckband-type flexible display device having a height adjusting member for adjusting the height, one end of which is supported on the shoulder or chest of the user, and the other end of which is supported on the end of the neckband housing, at a lower end of the neckband housing. . The method of claim 11,
The height adjustment member is a neckband type flexible display device having a rubber or silicone or urethane contact member at one end supported by a user's shoulder or chest. The method of claim 11,
A neckband-type flexible display device having a receiving hole in which a lower partition wall is cut so that the height adjusting member is drawn in and out at an end of the end of the neckband housing. The method of claim 11,
The height adjustment member is a neckband type flexible display device having a cylindrical shape in which two or more are inserted into and coupled to each other to allow stretching and contraction in the longitudinal direction. The method of claim 11,
The height adjustment member,
A first height adjustment member having a through hole penetrating an outer circumferential surface and an inner circumferential surface at one end;
A second height adjustment member provided with a communication hole communicating with the through hole at one end inserted into the first height adjustment member;
A button member supported by an elastic member supported on the inner surface of the second height adjustment member and inserted into the communication hole and the through hole;
Neckband type flexible display device comprising a. The method of claim 11,
The height adjustment member,
A first height adjustment member provided with a threaded portion at one end and a slit hole in which the outer peripheral surface and the inner peripheral surface are cut in the longitudinal direction in the area where the threaded portion is provided;
A second height adjustment member inserted into the first height adjustment member;
A locking member screwed to the screw portion to fix the second height adjustment member while reducing the diameter of the first height adjustment member;
Neckband type flexible display device comprising a. According to claim 2,
An end portion of the neckband housing is a neckband type flexible display device that is separated into a first end portion in which the flexible display panel is embedded and a second end portion in which the first end portion is inserted, so that the end portion of the neckband housing can be drawn in and out. The method of claim 17,
A neckband-type flexible display device having an outer diameter reduced and a protruding end extending in the longitudinal direction at the first end, and an insertion hole through which the protruding end is inserted and pulled in and out are provided at the second end.

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