KR101552000B1 - Display apparatus - Google Patents

Display apparatus Download PDF

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Publication number
KR101552000B1
KR101552000B1 KR1020120131217A KR20120131217A KR101552000B1 KR 101552000 B1 KR101552000 B1 KR 101552000B1 KR 1020120131217 A KR1020120131217 A KR 1020120131217A KR 20120131217 A KR20120131217 A KR 20120131217A KR 101552000 B1 KR101552000 B1 KR 101552000B1
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KR
South Korea
Prior art keywords
display module
stand
back cover
shape
plate member
Prior art date
Application number
KR1020120131217A
Other languages
Korean (ko)
Other versions
KR20140064182A (en
Inventor
윤승현
박충석
류인근
성재현
이재기
남혁진
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020120131217A priority Critical patent/KR101552000B1/en
Priority to US13/711,408 priority patent/US9711752B2/en
Priority to DE202012013225.3U priority patent/DE202012013225U1/en
Priority to EP12861035.9A priority patent/EP2737471B1/en
Priority to PCT/KR2012/010857 priority patent/WO2013094933A1/en
Priority to CN201280043401.4A priority patent/CN103814403B/en
Priority to EP14002354.0A priority patent/EP2790240A1/en
Priority to CN201410319171.0A priority patent/CN104091523B/en
Priority to US14/163,776 priority patent/US20140140023A1/en
Priority to US14/276,778 priority patent/US9320138B2/en
Publication of KR20140064182A publication Critical patent/KR20140064182A/en
Application granted granted Critical
Publication of KR101552000B1 publication Critical patent/KR101552000B1/en
Priority to US15/091,127 priority patent/US9608231B2/en
Priority to US15/612,345 priority patent/US10181575B2/en

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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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)

Abstract

A display device according to an embodiment of the present invention is provided for enhancing a feeling of immersion of a user, including a flat panel display module; A back cover coupled to the rear of the display module and having a curved shape with both left and right ends projecting forward; And a fixing part for fixing the back cover so that the curved shape is maintained. The display module is bent corresponding to the shape of the back cover. The fixing part includes a plate coupled to the back of the back cover, And a stand supporter having one end coupled to the stand and the other end coupled to the back of the plate or the back cover.

Description

Display device {DISPLAY APPARATUS}

The present invention relates to a display device.

(PDP), Electro Luminescent Display (ELD), Vacuum Fluorescent Display (VFD), and the like have been developed in recent years in response to the demand for display devices. Display) have been studied and used.

In addition, various studies on stereoscopic images have been conducted recently, and stereoscopic image technology has become more common and practical in various other environments and technologies as well as computer graphics.
≪ Related Prior Art Literature >
Japanese Patent Application Laid-Open No. 2006-023676

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display device having a structure capable of improving a user's immersion feeling.

According to an embodiment of the present invention, there is provided a display device including: a display module having a curved surface shape and outputting an image; A back cover positioned at a rear side of the display module and having a shape bent along a rear surface of the display module; A plate member attached to a back surface of the back cover and having a shape bent along the back surface of the back cover; A middle cover at least partially positioned between the display module and the back cover; And a fixing bar coupled to a rear surface of the plate member to maintain a bent shape of the plate member, wherein the fixing bar has a longitudinal section shape bent at least twice so that the fixing bar is composed of a plurality of folded surfaces, The folding line of the fixing bar extends in the width direction of the display module, and the fixing bar coupled to the plate member has a curved shape along the back surface of the display module.
The display device according to an embodiment of the present invention may further include a stand placed on an installation surface and a stand supporter having one end connected to the stand and the other end connected to the plate member.
And a plurality of the fixing bars are arranged side by side with a space therebetween.
And a plurality of the fixing bars are arranged side by side in the vertical direction with an interval therebetween.
The display device according to an embodiment of the present invention may further include a rear cover covering at least a part of the plate member.
And a radius of curvature of the plate member is larger than a radius of curvature of the display module.
The display module is characterized in that both ends of the display module are rounded in such a manner that they are projected forward from the central portion.

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According to an embodiment of the present invention, the flat display module is bent to have a certain curvature by using the curved back cover, thereby enhancing the user's immersion feeling when viewing various images such as 3D.

1 is a view schematically showing a shape of a display module of the present invention.
2 is a view schematically showing a shape of a display portion of the present invention.
3 is a perspective view schematically illustrating a back surface of a display device according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a part of Fig. 3. Fig.
5 is a plan view of Fig.
6 is a view showing the back surface of the display portion in which the fixing bars are coupled in different forms.
7 is a view showing the back surface of the display portion in which the fixing bar is combined in another form.
8 is a view showing the back surface of the display unit in which the fixing bar is combined in another form.
9 is a cross-sectional perspective view schematically showing a part of a display device according to another embodiment of the present invention.
10 is a cross-sectional view schematically showing a part of a display device according to another embodiment of the present invention.
11 is a cross-sectional view schematically showing a part of a display device according to another embodiment of the present invention.
12 is a cross-sectional view schematically showing a part of a display device according to another embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. Hereinafter, the embodiments may be modified into various other forms, and the technical scope of the embodiments is not limited to the embodiments described below. The embodiments are provided so that this disclosure may be more fully understood by those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

3 and 4, a display device according to an embodiment of the present invention includes a display unit 10 including a display module 11 and a back cover 12, ) To maintain the bent state.

Hereinafter, the display module 11 and the back cover 12 constituting the display unit 10 will be described with reference to FIGS. 1 and 2, and the fixing unit will be described with reference to FIGS. 3 to 12 .

1 schematically shows a configuration of a display module 11 according to an embodiment of the present invention.

The display module 11 is an organic light emitting diode (OLED) panel using an organic light emitting device (OLED), and may have a curved surface shape having a certain curvature R.

For example, the curved surface shape of the display module 11 is determined such that the curvature R is equal to or less than a predetermined distance such that distances d1, d2, and d3 between the viewing position P of the user and the front surface of the panel have the same or similar values. And the display module 11 may have a curved shape according to the predetermined curvature R. [

Accordingly, it is possible to improve the immersion feeling of the user when viewing the image displayed on the display device 1. Particularly, when the 3D image is viewed, the user's immersion feeling is greatly improved by the curved surface shape of the display module 11 as described above .

The organic light emitting device (OLED) has a structure in which an organic light emitting layer in the form of a functional thin film is inserted between an anode electrode and a cathode electrode, and holes are injected from the anode and electrons are injected from the cathode, And holes are combined to form an exciton, and the exciton emits light while recombining light.

As a method of implementing a full color organic light emitting display, there are an independent light emitting method, a color filter method, and a color conversion method. In the independent light emission method, R, G, and B are implemented by performing thermal deposition using a metal shadow mask in which light emitting materials of R, G, and B are precisely patterned. In the color filter method, R, G, and B are implemented by forming a white light emitting layer and patterning R, G, and B color filters. In the color conversion method, R, G, and B are implemented using a color conversion layer in which a blue light emitting layer is formed and a blue color is changed to green and red.

According to an embodiment of the present invention, the display module 11 may be a flat-shaped display module 11 having a curvature close to zero, and the flat panel display module 11 may have a curved shape It can be curved by a separate frame and maintained in a curved shape having a certain curvature R as described with reference to Fig.

2 is a cross-sectional view conceptually showing a configuration of a display device according to an embodiment of the present invention.

2 (a), the display module 11 is a flat panel display module 11 and includes a back cover 12 (see Fig. 2 (a)) disposed at the back of the display module 11 May have a curved shape with both ends protruding forward.

2C, the back cover 12 having a curved shape as described above is disposed on the rear side of the display module 11, so that the display module 11 has the curved shape of the back cover 12 As shown in Fig.

FIG. 2 is a view illustrating a display module 11 and a back cover 12 of a display device according to an exemplary embodiment of the present invention. The display device further includes various components.

The display device may further include a fixing part for fixing the back cover 12 so that the back cover 12 maintains a curved shape as shown in FIG. 2, As the curved surface shape is maintained, the front display module 11 can maintain a certain curvature R as described with reference to Fig.

In the present embodiment, the back cover 12 is a single plate-like member which is coupled to the rear of the display module 11 and is made of a material having elasticity so as to be bent forward. For example, CFRP (Carbon Fiber -reinforced Plastic).

However, the back cover 12 is not necessarily made of only a single plate-like member, but may be understood as an assembly in which a plurality of plate-shaped members or a plurality of plate-like members are combined with another structure.

3 to 5, the structure of the fixing part for maintaining the curved shape of the back cover 12 will be described in detail.

FIG. 3 is a perspective view schematically showing a rear surface of a display device according to an embodiment of the present invention, FIG. 4 is an enlarged view of a part of FIG. 3, and FIG. 5 is a plan view of FIG.

The fixing unit includes a plate 610 provided at the rear of the display unit 10, a stand 620 supporting the display unit 10 from below to support the display unit 10 standing up, A stand supporter 640 for connecting the plate 610 and a fixing bar 630 coupled to the rear of the plate 610.

First, the plate 610 is made of a metal material and attached to the back surface of the back cover 12.

The stand 620 is provided below the display unit 10. The stand 620 has a shape in which the center portion is retracted rearward. Therefore, the distance between the stand 620 and the display portion 10 or the plate 610 is farther from the center portion and closer to the left and right end portions.

For example, the stand 620 may protrude forward toward both ends of the left and right ends, and the center portion may be bent in a shape such that it relatively retracts backward.

In this case, the extent to which the stand 620 is warped may be larger than the degree to which the display unit 10 is warped. That is, the curvature of the stand 620 may be larger than the curvature of the display unit 10.

Since the stand 620 has the above configuration, the stand 620 has one point near the left and right ends coupled with a point near the left and right ends of the display unit 10, Are spaced apart from the rear of the display unit 10.

Meanwhile, the stand 620 may have a rounded shape as a whole. Also, the stand 620 can be made by injecting synthetic resin.

The stand supporter 640 is coupled to the stand 620 and the plate 610 so that the display unit 10 and the plate 610 can maintain a curved shape.

That is, it functions to fix the plate 610 so that the central portion of the curved plate 610 moves forward and prevents the display unit 10, which is curved, from spreading in a flat state.

The stand supporter 640 includes a plate engaging portion 641 extending substantially vertically and vertically and a stand engaging portion 642 provided at a lower portion of the engaging portion of the plate 610 and extending obliquely downward toward the rear ).

The plate engaging portion 641 is provided with a plurality of through holes vertically extending upward and downward. The through hole is a hole through which the bolt passes for coupling with the plate 610.

The stand supporter 640 is in surface contact with the plate 610 through the plate engaging portion 641 and restricts the forward movement of the central portion of the plate 610. [ At this time, the plate coupling portion 641 may be directly coupled to the back surface of the back cover 12.

A horizontal extending portion 642a extending horizontally toward the rear is provided at the lower end of the stand coupling portion 642. A through hole 642b formed in the horizontal extending portion 642a through the upper and lower portions is provided in the left and right direction Respectively. The through hole 642b is a hole through which the bolt passes for coupling the stand supporter 640 and the stand 620. [

The plate engaging portion 641 and the stand engaging portion 642 are integrally formed with each other and can be formed of a highly rigid metal which hardly causes elastic deformation.

A plurality of stand supporters 640 are arranged in the left and right direction and the length of the stand supporter 640 located closer to the left and right edges than the stand supporters 640 located at the center can be further shortened.

For example, the stand supporter 640 may be provided symmetrically with respect to the center of the stand 640 in the center and two on the side of the stand supporter 640. In this case, the stand supporter 640 may include a stand supporter 640 The length of the stand coupling portion 642 may be shorter or the inclination of the stand coupling portion 642 may be more perpendicular to the vertical direction have.

On the other hand, a fixing bar 630 is coupled to the rear of the upper end of the plate 610. The fixing bar 630 is a member having a high rigidity extending in the left and right direction and serves to fix the plate 610 so as to maintain the bent shape. The fixing bar 630 may be made of, for example, titanium or carbon steel.

For this, the fixing bar 630 has a curved shape corresponding to the shape of the plate 610 and the display unit 10. In other words, it has a shape such that it protrudes toward the front side toward the left and right direction end portion and the rear portion of the center portion relatively backward.

At this time, the fixing bar 630 may have a curved shape as described above. Alternatively, the fixing bar 630 may be a bar having a curved shape as a whole and a curved rear surface without curving.

The fixing bar 630 may be coupled to the plate 610 using a screw bolt.

Reference numeral 650 denotes a rear cover 650 coupled to the rear of the plate 620. The plate coupling portion 641 of the stand supporter 640 may be coupled to the rear surface of the rear cover 650, Or may be coupled to the backside of the plate 620. Further, it may be directly coupled to the back surface of the back cover 12.

With the above configuration, the display unit 10 can be maintained in a bent state by the fixing unit, and the immersion feeling of the user can be improved.

Meanwhile, the fixing bar 630 may be provided as shown in FIGS. 6 to 8.

Figs. 6-8 illustrate the back side of a display device in which the fixed bars 630 are applied in different positions, respectively, in different forms.

6, the fixing bar 630 may extend in the left-right direction and may be directly coupled to the upper end of the back surface of the back cover 12. At this time, the number of the fixing bars 630 may be plural, and the plurality of fixing bars 630 may be arranged vertically in parallel with each other.

Referring to FIG. 7, the fixed bar 630 may be coupled to the back surface of the display unit 10 in two diagonal lines intersecting with each other. One of the fixed bars 630 extends from the left upper end to the lower right end on the rear surface of the display unit 10 and the other fixed bar extends from the right upper end to the lower left end on the rear surface of the display unit 10.

Referring to FIG. 8, a plurality of the fixing bars 630 are coupled to the back surface of the display unit 10, and some of the fixing bars 630 extend in the left-right direction, and the remaining portions thereof extend in the longitudinal direction.

9 to 12 show another embodiment of the fixing portion. 9 to 12, the fixing portion may further include a middle cover made of a highly rigid material.

9 is a cross-sectional perspective view showing a display device according to an embodiment of the present invention, to which the middle cover 710 is applied, showing a top part of the display device.

The middle cover 710 is coupled to a part of the display module 11 and the back cover 12 so as to be positioned therebetween and is made of a material having high strength such as titanium or carbon steel, (12) can be maintained in a bent state. To this end, the middle cover 710 has a shape in which the left and right ends of the middle cover 710 are relatively protruded forward and the center portion thereof is bent so as to protrude relatively rearward.

The middle cover 710 includes an insertion portion 711 inserted between the display module 11 and the back cover 12 and a cover 711 coupled to the outer end of the insertion portion 711, And an end cover portion 712 extending in the front-rear direction substantially perpendicular to the extending direction.

The outer side surface of the end cover portion 712 may surround the outer end portion of the display portion 10 and may be rounded to have a rounded outer appearance. The rear portion can be formed to be stepped.

On the other hand, a space through which the insertion portion 711 can be inserted is formed at the center of the display portion 10 in the forward and backward direction. That is, a part of the center in the front-rear direction at the edge of the display unit 10 may be recessed inward to form a groove.

The groove may be formed to have a narrow width in the front-rear direction at the edge of the back cover 12. [ That is, the front surface of the back cover 12 is formed to be stepped, and the stepped portion can be a groove for inserting the insertion portion 711.

The middle cover 710 may be provided only at the upper end of the display unit 10, at the upper end and the lower end, or at the upper, lower, left, and right ends of the middle cover 710. [ 710 are provided at the upper and lower ends of the display unit 10, they may have a shape bent toward the front, and when they are provided at both ends of the display unit 10, they may have a shape extending straight without warping. The middle cover 710 is coupled to the edge of the display unit 10 so as to protect the end of the display unit 10 and to enhance the appearance of the display unit 10. Therefore, It is.

The middle cover may be modified as shown in FIGS. 10 to 12.

10 is a cross-sectional view showing another form of the middle cover.

10, the middle cover 720 includes an insertion portion 721 to be inserted into the display portion 10, and a middle cover 720 coupled to the outer end portion of the insertion portion and extending in the front- And a front extended portion 723 extending in a direction substantially in parallel with the insertion portion 721 inward from the front end of the end cover portion 722. [

Compared to the example shown in Fig. 9, the other configurations are the same except that the forward extension portion 723 is provided, so that repetitive description of the same configuration will be omitted.

Since the forward extension 723 is provided, it is possible to obtain a greater force that can fix the warped state of the display unit 10 and to prevent foreign matter from flowing through the end of the display unit 10 The effect can also be obtained.

11 is a cross-sectional view showing another form of the middle cover.

11, the middle cover 730 includes an insertion portion 731 to be inserted into the display portion 10, a middle cover 730 coupled to the outer end of the insertion portion, And a rear extension portion 733 extending in a direction substantially in parallel with the insertion portion 721 inwardly from a rear end of the end cover portion 732. The rear cover portion 732 extends in the front- .

9, except that the rear extension portion 733 is provided, the repetitive description of the same configuration will be omitted.

Since the rear extension portion 733 is provided, it is possible to obtain a greater force that can fix the warped state of the display unit 10. [

12 is a cross-sectional view showing an embodiment in which a rib 12a is provided on a back cover 12 coupled to the rear of the middle cover 710. As shown in FIG.

Referring to FIG. 12, a rib 12a protruding rearward is provided at an edge of the back cover 12a, and the rib 12a is elongated in the left-right direction. The rib 12a serves to prevent the back cover 12 from being deformed in a direction perpendicular to the extending direction of the rib 12a and to prevent the display portion 10 from being bent The more power you have, the more you can get. In the example shown in Fig. 12, all other configurations except for the rib 12a are the same as those in the example described with reference to Fig. 9, so repetitive description of the same configuration is omitted.

3 to 12 illustrate a configuration of the fixing unit for fixing the warped state of the display unit 10 to the center (center) of the display unit 10 according to an embodiment of the present invention, The display device according to an embodiment of the present invention includes various other configurations in addition to the configurations shown in FIGS.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood that various modifications and applications other than those described above are possible. For example, each component specifically shown in the embodiments of the present invention can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

10: display part 11: display module
12: back cover 12a: rib
610: Plate 620: Stand
630: Fixed bar 640: Stand supporter
641: plate engaging portion 641a: through hole
642: stand coupling portion 642a: horizontal extending portion
642b: through hole 650: rear cover
710, 720, 730: middle cover 711, 721, 731:
712, 722, 732: an end cover portion 723:
733: rear extension

Claims (13)

A display module having a curved surface shape and outputting an image;
A back cover positioned at a rear side of the display module and having a shape bent along a rear surface of the display module;
A plate member attached to a back surface of the back cover and having a shape bent along the back surface of the back cover;
A middle cover at least partially positioned between the display module and the back cover;
And a fixing bar coupled to a rear surface of the plate member to maintain the bent shape of the plate member,
Wherein the fixing bar has a longitudinal section shape bent at least twice so that the fixing bar has a plurality of folded surfaces, the folding line of the fixing bar extends in the width direction of the display module,
Wherein the fixing bar coupled to the plate member has a curved shape along the back surface of the display module. delete delete delete delete delete The method according to claim 1,
A stand on the mounting surface,
And a stand supporter having one end connected to the stand and the other end connected to the plate member. delete The method according to claim 1,
Wherein a plurality of the fixing bars are arranged side by side with a space therebetween. 10. The method of claim 1 or 9,
Wherein a plurality of the fixing bars are arranged side by side in the vertical direction with a space therebetween. The method according to claim 1,
And a rear cover covering at least a part of the plate member. The method according to claim 1,
Wherein a radius of curvature of the plate member is larger than a radius of curvature of the display module. The method according to claim 1,
Wherein the display module is rounded in such a manner that both end portions of the display module protrude forward from the central portion.
KR1020120131217A 2011-12-19 2012-11-19 Display apparatus KR101552000B1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
KR1020120131217A KR101552000B1 (en) 2012-11-19 2012-11-19 Display apparatus
US13/711,408 US9711752B2 (en) 2011-12-19 2012-12-11 Display apparatus
EP12861035.9A EP2737471B1 (en) 2011-12-19 2012-12-13 Display apparatus
PCT/KR2012/010857 WO2013094933A1 (en) 2011-12-19 2012-12-13 Display apparatus
CN201280043401.4A CN103814403B (en) 2011-12-19 2012-12-13 Display device
EP14002354.0A EP2790240A1 (en) 2011-12-19 2012-12-13 Display apparatus
DE202012013225.3U DE202012013225U1 (en) 2011-12-19 2012-12-13 display
CN201410319171.0A CN104091523B (en) 2011-12-19 2012-12-13 Display device
US14/163,776 US20140140023A1 (en) 2011-12-19 2014-01-24 Display apparatus
US14/276,778 US9320138B2 (en) 2011-12-19 2014-05-13 Display apparatus
US15/091,127 US9608231B2 (en) 2011-12-19 2016-04-05 Display apparatus
US15/612,345 US10181575B2 (en) 2011-12-19 2017-06-02 Display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120131217A KR101552000B1 (en) 2012-11-19 2012-11-19 Display apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020150106871A Division KR101663428B1 (en) 2015-07-28 2015-07-28 Display apparatus

Publications (2)

Publication Number Publication Date
KR20140064182A KR20140064182A (en) 2014-05-28
KR101552000B1 true KR101552000B1 (en) 2015-09-09

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KR1020120131217A KR101552000B1 (en) 2011-12-19 2012-11-19 Display apparatus

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101556548B1 (en) * 2014-06-20 2015-10-02 김묘라 module base for curved tv and the manufacturing methoe thereof
KR102552317B1 (en) 2015-10-23 2023-07-10 삼성디스플레이 주식회사 Display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006023676A (en) 2004-07-09 2006-01-26 Pioneer Electronic Corp Display-adjusting device and display device
US20120281367A1 (en) * 2010-07-12 2012-11-08 Shenzhen China Star Optoelectronics Technology Co, Ltd Non-Flat Panel Display Module and Back Frame Support Structure Thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006023676A (en) 2004-07-09 2006-01-26 Pioneer Electronic Corp Display-adjusting device and display device
US20120281367A1 (en) * 2010-07-12 2012-11-08 Shenzhen China Star Optoelectronics Technology Co, Ltd Non-Flat Panel Display Module and Back Frame Support Structure Thereof

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