WO2022045405A1

WO2022045405A1 - Display device

Info

Publication number: WO2022045405A1
Application number: PCT/KR2020/011537
Authority: WO
Inventors: 김종철; 박세라; 전성안
Original assignee: 엘지전자 주식회사
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2022-03-03

Abstract

Disclosed is a display device. The display device may comprise: a display panel; a module cover positioned at the rear of the display panel and coupled to the display panel; a control box positioned below the module cover and coupled to the module cover; at least one rail guide coupled to a front surface of the control box and disposed in the vertical direction of the module cover; and a panel cover positioned at the front of the control box, and moving in the vertical direction on the at least one rail guide.

Description

display device

The present disclosure relates to a display device.

As the information society develops, the demand for display devices is also increasing in various forms. Various display devices such as display) and OLED (Organic Light Emitting Diode) have been researched and used.

The liquid crystal panel of the LCD includes a liquid crystal layer, a TFT substrate and a color filter substrate facing each other with the liquid crystal layer interposed therebetween, and can display an image using light provided from a backlight unit.

An OLED panel can display an image by depositing an organic material layer capable of emitting light by itself on a substrate on which a transparent electrode is formed. The OLED panel may have a thin thickness as well as flexible characteristics.

Recently, a display device using such a display panel has been enlarged in order to express high quality. Accordingly, many studies have been made on the structure of a large-sized display device.

SUMMARY OF THE INVENTION The present disclosure aims to solve the above and other problems. Another object may be to provide a cover structure for a large display panel.

Another object may be to provide a driving mechanism for a large display panel cover.

According to an aspect of the present disclosure to achieve the above or other objects, a display panel; a module cover positioned at the rear of the display panel and coupled to the display panel; a control box located under the module cover and coupled to the module cover; at least one rail guide coupled to the front surface of the control box and disposed in the vertical direction of the module cover; In addition, there is provided a display device including a panel cover located in front of the control box and moving vertically on the at least one rail guide.

According to at least one embodiment of the present disclosure, a cover structure of a large display panel may be provided.

According to at least one embodiment of the present disclosure, it is possible to provide a driving mechanism for a large display panel cover.

Further scope of applicability of the present disclosure will become apparent from the following detailed description. However, it should be understood that the detailed description and specific embodiments such as preferred embodiments of the present disclosure are given by way of example only, since various changes and modifications within the spirit and scope of the present disclosure may be clearly understood by those skilled in the art.

1 to 14 are diagrams illustrating examples of display devices according to embodiments of the present disclosure.

Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numbers regardless of reference numerals, and overlapping descriptions thereof will be omitted (Description will now be given in detail according to exemplary embodiments disclosed herein, with reference to the accompanying drawings. For the sake of brief description with reference to the drawings, the same or equivalent components may be denoted by the same reference numbers, and description thereof will not be repeated).

The suffixes "module" and "part" for components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have distinct meanings or roles by themselves (In general, suffixes such as "module" and "unit" may be used to refer to elements or components. Use of such suffixes herein is merely intended to facilitate description of the specification, and the suffixes do not have any special meaning or function).

In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed herein is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention In the present disclosure, that is well known to one of ordinary skill in the relevant art has generally been omitted for the sake of brevity. The accompanying drawings are used to assist in easy understanding of various technical features and it should be understood that the embodiments presented herein are not limited by the accompanying drawings. As such, the present disclosure should be construed to extend to any alterations, equivalents and substitutes in addition to those which are particularly set out in the accompanying drawings).

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one element from another (It will be understood that although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by These terms are only used to distinguish one element from another).

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that an element is "directly connected" or "directly connected" to another element, it should be understood that there is no other element in the middle (It will be understood that when an element is referred to as being "connected with" another element, there may be intervening elements present. In contrast, it will be understood that when an element is referred to as being "directly connected with" another element, there are no intervening elements present ).

A singular representation may include a plural representation unless context clearly indicates otherwise.

In the present application, terms such as “comprises” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features In the present application, it should be understood that the terms "comprises, includes," " has," etc. specify the presence of features, numbers, steps, operations, elements, components, or combinations thereof described in the specification, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof).

Referring to FIG. 1 , the display device includes a first long side (LS1), a second long side (LS2) opposite to the first long side (LS1), a first long side (LS1), and a second long side (LS1). A first short side (SS1) adjacent to one end of the LS2 and a second short side (SS2) opposite to the first short side (SS1) may be included (Referring to FIG. 1, a display device may include a first long side LS1, a second long side LS2 opposite the first long side LS1, a first short side SS1 adjacent to the first long side LS1 and the second long side LS2, and a second short side SS2 opposite the first short side SS1).

The first short side area SS1 is referred to as a first side area, the second short side area SS2 is referred to as a second side area opposite to the first side area, and the first long side area is referred to as a second side area. The area LS1 is referred to as a third side area adjacent to the first side area and the second side area and positioned between the first side area and the second side area, and the second long side area LS2 It is possible to refer to as a fourth side area adjacent to the first side area and the second side area, located between the first side area and the second side area, and opposite to the third side area (The first short side area SS1 of the display device may be referred to as a first side area, and the second short side area SS2 of the display device may be referred to as a second side area. may be referred to as a third side area adjacent to the first side area and the second side area and located between the first side area and the second side area, and the second long side area LS2 of the display device may be referred to as a fourth side area adjacent to the first side area and the second side area, located between the first side area and the second side area, and opposite the third side area).

For convenience of explanation, the lengths of the first and second long sides LS1 and LS2 are illustrated and described as being longer than the lengths of the first and second short sides SS1 and SS2, but the first and second long sides LS1 and LS2 It may also be possible if the length of the first and second short sides SS1 and SS2 is approximately the same as the length of the first and second long sides LS1 and LS2 is shown and described as being greater than the length of the first and second short sides SS1 and SS2 for convenience of description, the length of the first and second long sides LS1 and LS2 may be approximately equal to the length of the first and second short sides SS1 and SS2).

Hereinafter, the first direction (First Direction, DR1) is a direction parallel to the long side (Long Side, LS1, LS2) of the display device, and the second direction (Second Direction, DR2) is the short side (Short Side, SS1, SS2) of the display device ) and may be in the same direction. The third direction DR3 may be a direction perpendicular to the first direction DR1 and/or the second direction DR2 (In the following description, a first direction DR1 may be a direction parallel to the long) sides LS1 and LS2 of a display device, and a second direction DR2 may be a direction parallel to the short sides SS1 and SS2 of the display device. direction DR2).

The first direction DR1 and the second direction DR2 may be collectively referred to as a horizontal direction. In addition, the third direction DR3 may be referred to as a vertical direction (The first direction DR1 and the second direction DR2 may be referred to as a horizontal direction. Further, the third direction DR3 may be referred to as a vertical direction).

The side of the first long side LS1 may be referred to as an upper side or an upper surface. When the display device is seen from the front or the front surface, the first long side portion LS1 may be referred to as an upper side or an upper surface, and the second long side portion LS2 may be referred to as a lower side or a lower surface). The side of the first short side SS1 may be referred to as a left or left side, and the side of the second short side SS2 may be referred to as a right side or a right side (When the display device is seen from the front or the front surface, the first short side) portion SS1 may be referred to as a left side or a left surface, and the second short side portion SS2 may be referred to as a right side or a right surface).

The first long side LS1 , the second long side LS2 , the first short side SS1 , and the second short side SS2 may be referred to as edges of the display device. Also, a point where the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 meet each other may be referred to as a corner (The first long side LS1, the second long) side LS2, the first short side SS1, and the second short side SS2 may be referred to as edges of the display device. , and the second short side SS2 join may be referred to as corners).

For example, the point where the first long side LS1 and the first short side SS1 meet is the first corner C1 , and the point where the first long side LS1 and the second short side SS2 meet is the second corner C2 ), the point where the second short side SS2 and the second long side LS2 meet is the third corner C3, and the point where the second long side LS2 and the first short side SS1 meet is the fourth corner C4 For example, the point at which the first long side LS1 and the first short side SS1 join may be referred to as a first corner C1, the point at which the first long side LS1 and the second short side SS2 join may be referred to as a second corner C2, the point at which the second short side SS2 and the second long side LS2 join may be referred to as a third corner C3, and the point at which the second long side LS2 and the first short side SS1 join may be referred to as a first corner C4).

A direction from the first short side SS1 to the second short side SS2 or from the second short side SS2 to the first short side SS1 may be referred to as a left-right direction LR. A direction from the first long side LS1 to the second long side LS2 or from the second long side LS2 to the first long side LS1 may be referred to as a vertical direction UD (A direction from the first short). side SS1 to the second short side SS2 or a direction from the second short side SS2 to the first short side SS1 may be referred to as a left-rightward direction LR or a horizontal direction DR1. second long side LS2 or a direction from the second long side LS2 to the first long side LS1 may be referred to as an up-downward direction UD or a vertical direction DR2).

The panel cover 200 may cover the front surface of the display panel 110 . The panel cover 200 is positioned in front of the display panel 110 and can move in the vertical direction (UD). The area of the panel cover 200 may correspond to the area of the display panel 110 . Accordingly, the front surface of the display panel 110 may be covered by the panel cover 200 .

Referring to FIG. 2 , a frame 300 may include an upper frame 310 , a lower frame 330 , a left frame 340 , and a right frame 320 . The upper frame 310 may face or parallel the lower frame 330 , and the left frame 340 may face or parallel the right frame 320 . The left frame 340 and/or the right frame 320 may be referred to as side frames 3200 and 340 .

The left frame 340 may be coupled to the upper frame 310 and the lower frame 330 , and the right frame 320 may be coupled to the upper frame 310 and the lower frame 330 . The module cover 410 may be coupled to the upper frame 310 , the left frame 340 and/or the right frame 320 . The module cover 410 may be formed by combining a plurality of plates.

The control box 420 may be located below the module cover 410 . The control box 420 may be coupled to the left frame 340 and the right frame 320 . The control box 420 may be referred to as an AV box 420 . The driving module 500 may be installed in the control box 420 . The driving module 500 may be located in the central region of the control box 420 .

2 and 3 , the rail guide 600 may be mounted on the front side of the control box 420 . The rail guide 600 may be plural. For example, the rail guide 600 may include first rail guides 610 , second rail guides 620 , third rail guides 630 , and fourth rail guides 640 . there is.

The first rail guides 610 may be vertically mounted on the front surface of the control box 420 adjacent to the left frame 340 . The fourth rail guides 640 may be vertically mounted on the front surface of the control box 420 adjacent to the right frame 320 . The second rail guides 620 may be vertically mounted on the front surface of the control box 420 between the first rail guides 610 and the fourth rail guides 640 . The third rail guides 630 may be vertically mounted on the front surface of the control box 420 between the second rail guides 620 and the fourth rail guides 640 .

3 and 4 , the driving module 500 may include a motor unit 510 , a gearbox 520 , a rotating shaft 530 , and a driving gear 540 . There may be a plurality of motor units 510 . The first motor 511 may be positioned to face the second motor 512 in parallel. The gearbox 520 may be plural. The first gearbox 521 may receive driving force from the first motor 511 , and the second gearbox 522 may receive driving force from the second motor 512 . The rotation shaft 530 may be connected to the first gearbox 521 and the second gearbox 522 . The rotating shaft 530 may receive driving force from the first gearbox 521 as well as the driving force from the second gearbox 522 .

The rotating shaft 530 may be inserted into the driving gear 540 . The driving gear 540 may be fixed to the rotation shaft 530 . The axial direction of the rotation shaft 530 may intersect the rotation axis direction of the motors 510 . The gearboxes 520 may convert the direction of the rotational force of the motors 510 between the motors 510 and the rotation shaft 530 . For example, the gearboxes 520 may include a worm gear.

5 and 6 , the panel cover 200 may include a front frame 220 and a frame cover 210 . The front frame 220 may be a grid-type frame. For example, the front frame 220 may include metal, and the metal may be aluminum. The frame cover 210 may cover the front surface of the front frame 220 . For example, the frame cover 210 may be fabric, synthetic resin, metal thin film, or the like.

The rail 226 may be coupled to or fixed to the rear surface of the front frame 220 . The rail 226 may be elongated, and may be disposed elongated in the vertical direction from the rear surface of the front frame 220 . The front frame 220 may include

vertical frame parts

221 , 222 , 223 , 224 , a horizontal frame part 225 , and a center frame part 220a. The

vertical frame portions

221 , 222 , 223 , and 224 may be plural and may face the center frame portion 220a.

The first vertical frame part 221 may face the second vertical frame part 222 with respect to the center frame part 220a, and the third vertical frame part 223 may be formed with the first vertical frame part 221 and the center. The fourth vertical frame portion 224 may face the center frame portion 220a between the frame portions 220a. The fourth vertical frame portion 224 may include a plurality of horizontal frame portions 225 with respect to the center frame portion 220a between the second vertical frame portion 222 and the center frame portion 220a, and a plurality of horizontal frames The part 225 may cross the

vertical frame parts

221 , 222 , 223 , and 224 and be connected to the center frame part 220a.

6 to 8 , there may be a plurality of rails 226 . The first rail 226a may be coupled or fixed to the third vertical frame portion 223 , the second rail 226b may be coupled or fixed to the center frame portion 220a, and the third rail 226c The silver may be coupled or fixed to the center frame portion 220a, and the fourth rail 226d may be coupled or fixed to the fourth vertical frame portion 224. The second rail 226b may be positioned adjacent to one vertical edge of the center frame part 220a, and the third rail 226c may be positioned adjacent to the other vertical edge of the center frame part 220a.

The driving rail 227 may extend long. The driving rail 227 may be coupled to or fixed to the rear surface of the center frame 220a. The driving rail 227 may be positioned between the second rail 226b and the third rail 226c. The second rail 226b may face the third rail 226c with respect to the driving rail 227 .

The third vertical frame part 223 may include a coupling groove 223a. The coupling groove 223a may be recessed to form a step inside the third vertical frame part 223 to be long. The coupling groove 223a may extend long along the longitudinal direction of the third vertical frame portion 223 . The first rail 226a may be inserted into the coupling groove 223a and fixed to the third vertical frame part 223 .

Rails

226c and 226d are coupled to

guides

622 and 632 and are movable in

guides

622 and 632 . The

rails

226c and 226d may move vertically in the

guides

622 and 632 .

9 and 10 , the center frame part 220a may include an opening 220b. The opening 220b may extend long in the vertical direction of the center frame part 220a. The driving rail 227 may include a plate portion 227a and a plurality of slits 227b. The plate portion 227a may be an elongated plate, and may form the outer shape of the driving rail 227 .

The slit 227b may extend long in the width direction of the plate portion 227a. The plurality of slits 227b may be arranged at regular intervals in the longitudinal direction of the plate portion 227a. A plurality of slits 227b may be sequentially disposed to form a gear rail. The driving rail 227 may be coupled to or fixed to the center frame part 220a while covering the opening 220b of the center frame part 220a.

11 , the driving rail 227 may be engaged with the driving gear 540 . Gear teeth of the driving gear 540 are inserted into the slits of the driving rail 227 , and when the driving gear 540 rotates, the driving rail 227 may move in the vertical direction. The front frame 220 may move in the vertical direction by the driving gear 540 .

12 and 13 , the front frame 220 may be coupled to the left frame 340 and/or the right frame 320 . The front frame 220 may move vertically in the left frame 340 and/or the right frame 320 . The front frame 220 may include

sliders

228a, 228b, 229a, 229b (hereinafter 228, 229). The sliders 228 and 229 may be coupled to the left side and/or the right side of the front frame 220 . The sliders 228 and 229 may be plural.

The first slider 228a may be coupled to the upper left side of the front frame 220 , and the second slider 228b may be coupled to the lower left side of the front frame 220 . The third slider 229a may be coupled to the upper right side of the front frame 220 , and the fourth slider 229b may be coupled to the lower right side of the front frame 220 . The sliders 228 and 229 may be movably coupled to the left frame 340 and/or the right frame 320 of the front frame 220 .

The rail 226 may be positioned over the front of the module cover 410 and the front of the control box 420 . The length of the rail 226 may correspond to the height of the front cover 220 . The display panel 110 may be positioned between the module cover 410 and the rail 226 . The rail 226 may be spaced apart from the front surface of the display panel 110 . Accordingly, the front cover 220 may cover the front surface of the display panel 110 .

Referring to FIG. 14 , the right frame 320 may include a groove 320h. The groove 320h may be located adjacent to the upper end of the right frame 320 . The right cover 320c may cover the right frame 320 . The right cover 320c may include a locking portion 320f. The locking part 320f may be located adjacent to the upper end of the right cover 320c. The locking part 320f may be inserted into the groove 320h. Accordingly, the sliders 228 and 229 (refer to FIG. 12 ) may be covered by the right cover 320c. The description of the right frame 320 may also be applied to the left frame 340 . The right cover 320c and/or the left cover 340c may be referred to as side covers 320c and 340c.

According to an aspect of the present disclosure, a display panel; a module cover positioned at the rear of the display panel and coupled to the display panel; a control box located under the module cover and coupled to the module cover; at least one rail guide coupled to the front surface of the control box and disposed in the vertical direction of the module cover; In addition, there is provided a display device including a panel cover located in front of the control box and moving vertically on the at least one rail guide.

According to another aspect of the present disclosure, the panel cover may include: a front frame moving up and down on the at least one rail guide; And, it may include a frame cover coupled to the front of the front frame.

According to another aspect of the present disclosure, the panel cover may further include a rail extending long, positioned between the front frame and the control box, fixed to the front frame, and moving on the at least one rail guide. there is.

According to another aspect of the present disclosure, the at least one rail guide may include: a plurality of rail guides sequentially disposed in the vertical direction in the control box.

According to another aspect of the present disclosure, the control box may further include a driving module installed in the control box to move the front frame in a vertical direction.

According to another aspect of the present disclosure, the driving module includes: a motor; a driving gear positioned adjacent to the motor; And, it may include a gearbox positioned between the motor and the driving gear and providing power provided by the motor to the driving gear.

According to another aspect of the present disclosure, the panel cover may further include: a driving rail extending long and fixed to the rear of the front frame and engaged with the driving gear.

According to another aspect of the present disclosure, the driving rail may include: a plate part extending long in the vertical direction; In addition, a plurality of slits extending in the left and right directions of the plate portion and sequentially disposed in a vertical direction of the plate portion may be included, and the driving gear may be engaged with the plurality of slits.

According to another aspect of the present disclosure, it further includes a side frame coupled to the left or right side of the module cover, wherein the panel cover: A slider coupled to the left or right side of the front frame and inserted into the side frame to move may include

According to another aspect of the present disclosure, the display device further includes a side cover covering the side frame and the slider, wherein the side frame includes a groove formed adjacent to an upper end of the side frame, and the side cover includes the groove It may include a locking portion coupled to the.

Any or other embodiments of the present disclosure described above are not mutually exclusive or distinct. Certain embodiments or other embodiments of the disclosure described above are not mutually exclusive or distinct from each other. Any or all elements of the embodiments of the disclosure described above may be combined or combined with each other in configuration or function).

For example, it means that configuration A described in a specific embodiment and/or drawings may be combined with configuration B described in other embodiments and/or drawings. That is, even if the combination between the configurations is not directly described, it means that the combination is possible except for the case where it is explained that the combination is impossible (For example, a configuration "A" described in one embodiment of the disclosure and the drawings. and a configuration "B" described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).

The above detailed description should not be construed as restrictive in all respects and should be considered as exemplary. The scope of the present invention should be determined by rational interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention (although embodiments have been described with reference to a number of illustrative embodiments) thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art).

Claims

display panel;

a module cover positioned at the rear of the display panel and coupled to the display panel;

a control box located under the module cover and coupled to the module cover;

at least one rail guide coupled to the front surface of the control box and disposed in the vertical direction of the module cover; And,

and a panel cover positioned in front of the control box and moving vertically on the at least one rail guide.
According to claim 1,

The panel cover includes:

a front frame moving up and down on the at least one rail guide; And,

A display device comprising a frame cover coupled to the front of the front frame.
3. The method of claim 2,

The panel cover includes:

The display device further comprising a rail extending long, positioned between the front frame and the control box, fixed to the front frame, and moving on the at least one rail guide.
4. The method of claim 3,

The at least one rail guide comprises:

A display device including a plurality of rail guides sequentially arranged in the vertical direction in the control box.
5. The method of claim 4,

The display device further comprising a driving module installed in the control box and moving the front frame in a vertical direction.
6. The method of claim 5,

The driving module includes:

motor;

a driving gear positioned adjacent to the motor; And,

and a gearbox positioned between the motor and the driving gear and configured to provide power provided by the motor to the driving gear.
7. The method of claim 6,

The panel cover includes:

The display device further comprising: a driving rail extending long, fixed to the rear of the front frame, and engaged with the driving gear.
8. The method of claim 7,

The drive rail is:

a plate portion extending long in the vertical direction; And,

a plurality of slits extending in the left and right directions of the plate part and sequentially arranged in the vertical direction of the plate part;

The driving gear is

A display device engaged with the plurality of slits.
9. The method of claim 8,

Further comprising a side frame coupled to the left or right side of the module cover,

The panel cover includes:

and a slider coupled to the left or right side of the front frame and inserted into the side frame to move.
10. The method of claim 9,

Further comprising a side cover covering the side frame and the slider,

The side frame,

and a groove formed adjacent to the upper end of the side frame;

The side cover is

A display device including a locking portion coupled to the groove.