Outer frame and display device

• US 9,964,786 B2
• Filed: 09/18/2015
• Issued: 05/08/2018
• Est. Priority Date: 04/01/2015
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Ma, Yongda, Zhang, Yuxin, Qiao, Yong
• Primary Examiner(s): Crockett, Ryan
• Application Number:
  US14/913,044
• Publication Number:
  US 20170038631A1
• Time in Patent Office: 963 Days
• Field of Search: None
• CPC Class Codes: G02B 6/0088 of the light guide or other optical sheets in the package
• CPC Class Codes: G02B 6/009 of the light source in the package G02B6/0021 takes precedence
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133314 Back frames
• CPC Class Codes: G02F 1/133317 Intermediate frames, e.g. between backlight housing and front frame
• CPC Class Codes: G02F 1/133322 Mechanical guidance or alignment of LCD panel support components
• CPC Class Codes: G02F 1/133328 Segmented frames

Abstract

The present invention provides an outer frame and a display device. The outer frame is configured to package an edge of a liquid crystal module and includes at least one sub frame, the sub frame comprises a side plate, a first packaging plate, a second packaging plate and a supporting plate, the side plate, the first packaging plate, the second packaging plate and the supporting plate are formed integrally, a first accommodation groove for accommodating an edge of the liquid crystal module is formed by the side plate, the first packaging plate and the supporting plate, and a second accommodation groove for accommodating an edge of the back cover plate configured to cover the back surface of the liquid crystal module is formed by the side plate, the supporting plate and the second packaging plate.

Claims

1. An outer frame for packaging edge of a liquid crystal module, the outer frame including at least one sub frame, wherein, the sub frame comprises a side plate, a first packaging plate, a second packaging plate and a supporting plate, the side plate, the first packaging plate, the second packaging plate and the supporting plate are formed integrally, a first accommodation groove for accommodating an edge of the liquid crystal module including an entire backlight module is formed by the side plate, the first packaging plate and the supporting plate, and a second accommodation groove for accommodating an edge of a back cover plate configured to cover a back surface of the liquid crystal module is formed by the side plate, the supporting plate and the second packaging plate,

wherein the first packaging plate and the second packaging plate are parallel to the supporting plate disposed therebetween, the side plate is perpendicular to the first packaging plate, the second packaging plate and the supporting plate, and the first accommodation groove has a same opening direction as the second accommodation groove;

wherein the liquid crystal module further includes a liquid crystal screen;

the backlight module includes a back plate, a reflective sheet, a light guide plate and an optical film sheet sequentially provided on a bottom plate of the back plate, a plastic frame provided at edges of the back plate, and a light source provided on the back plate;

the liquid crystal screen is provided on a side of the optical film sheet away from the bottom plate of the back plate;

the first packaging plate is configured to face and contact an edge of an upper surface of the liquid crystal screen away from the backlight module, the supporting plate is configured to face and contact an edge of a lower surface of the bottom plate away from the liquid crystal screen, and the side plate is configured to face and contact an outer surface of the plastic frame away from an end surface at the edge of the liquid crystal screen; and

the second packaging plate is configured to face and contact an edge of a lower surface of the back cover plate away from the liquid crystal module, and the side plate is further configured to face an end surface at the edge of the back cover plate.

2. The outer frame according to claim 1, wherein a surface of the first packaging plate contacting the liquid crystal screen is provided with a first convex part which contacts the liquid crystal screen;

and/or

a surface of the supporting plate contacting the bottom plate is provided with a second convex part, a surface of the bottom plate contacting the supporting plate is provided with a second concave part, and the second convex part is located at a position corresponding to the second concave part and has a size and shape fitting to the second concave part; and

/or

a surface of the second packaging plate contacting the back cover plate is provided with a third concave part, a surface of the back cover plate contacting the second packaging plate is provided with a third convex part, and the third concave part is located at a position corresponding to the third convex part and has a size and shape fitting to the third convex part.

3. The outer frame according to claim 2, wherein longitudinal section of the first convex part has a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape;

longitudinal sections of the second convex part and the second concave part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape; and

longitudinal sections of the third concave part and the third convex part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape.

4. The outer frame according to claim 3, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

5. The outer frame according to claim 2, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

6. The outer frame according to claim 1, wherein a surface of the supporting plate contacting the bottom plate is provided with a second concave part, a surface of the bottom plate contacting the supporting plate is provided with a second convex part, and the second concave part is located at a position corresponding to the second convex part and has a size and shape fitting to the second convex part;

and/or

a surface of the second packaging plate contacting the back cover plate is provided with a third convex part, a surface of the back cover plate contacting the second packaging plate is provided with a third concave part, and the third concave part is located at a position corresponding to the third convex part and has a size and shape fitting to the third convex part.

7. The outer frame according to claim 6, wherein longitudinal sections of the second convex part and the second concave part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape;

and

longitudinal sections of the third concave part and the third convex part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape.

8. The outer frame according to claim 7, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

9. The outer frame according to claim 6, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

10. The outer frame according to claim 1, wherein a surface of the supporting plate contacting the bottom plate is provided with a second convex part, a surface of the bottom plate contacting the supporting plate is provided with a third convex part, the positions of the second convex part and the third convex part are staggered, and the second convex part and the third convex part contact each other side by side;

and/or

a surface of the second packaging plate contacting the back cover plate is provided with a fourth convex part, a surface of the back cover plate contacting the second packaging plate is provided with a fifth convex part, the fourth convex part and the fifth convex part are staggered, and the fourth convex part and the fifth convex part contact each other side by side.

11. The outer frame according to claim 10, wherein longitudinal sections of the second convex part and the third convex part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape;

and

longitudinal sections of the fourth convex part and the fifth convex part have a rectangular shape, a triangular shape, a semicircular shape or an isosceles trapezoidal shape.

12. The outer frame according to claim 10, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

13. The outer frame according to claim 1, wherein a surface of the side plate opposite to the plastic frame is set to a cambered surface which protrudes in a direction away from the end surface at the edge of the liquid crystal module.

14. The outer frame according to claim 1, wherein the supporting plate is provided with at least one first connecting hole, and the bottom plate is provided with at least one second connecting hole at the position corresponding to the first connecting hole;

and

the outer frame further includes a first connector which enables to pass through the first connecting hole and the second connecting hole to connect and fix the supporting plate and the bottom plate.

15. The outer frame according to claim 1, including a plurality of the sub frames configured to package various edges of the liquid crystal module, respectively, and end parts of adjacent ones of the sub frames join each other.

16. The outer frame according to claim 15, further including a second connector, which connects the joined end parts of two adjacent sub frames which are adjacent thereto and is provided at a side of the supporting plate facing the second packaging plate.

17. The outer frame according to claim 16, wherein the second connector includes a first connecting part and a second connecting part connected integrally, the first connecting part overlaps with the joined end parts of two adjacent sub frames which are adjacent thereto, the second connecting part is on an inner side of the first connecting part close to the area of the bottom plate, and the second connecting part faces and contacts the bottom plate;

and

the first connecting part connects to the supporting plates of two adjacent sub frames which are adjacent thereto, and the second connecting part connects to the bottom plate.

18. A display device including the outer frame according to claim 1.