CN105911733B - Curved surface display device structure - Google Patents
Curved surface display device structure Download PDFInfo
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- CN105911733B CN105911733B CN201610403904.8A CN201610403904A CN105911733B CN 105911733 B CN105911733 B CN 105911733B CN 201610403904 A CN201610403904 A CN 201610403904A CN 105911733 B CN105911733 B CN 105911733B
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- side wall
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/46—Fixing elements
- G02F2201/465—Snap -fit
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of curved surface display, and provides a curved surface display device structure, which comprises a curved surface liquid crystal panel, a back plate and a middle frame, wherein the back plate is provided with two arc-shaped side wall parts and two vertical side wall parts; the middle frame comprises two first frame strips and two second frame strips which are parallel to each other, wherein the two first frame strips and the two second frame strips are enclosed to form a containing space, and each first frame strip is provided with an edge part attached to the outer side of each arc-shaped side wall part and a supporting part extending from the edge part to the containing space; each edge part is provided with two fixing areas and a connecting area, and each fixing area is provided with at least one stress relief notch. Compared with the prior art, the curved surface display device structure provided by the invention adopts the structure that the stress release notches are arranged at the left end part and the right end part of the first frame strip, so that the first frame strip can passively reach the curvature matched with the curvature of the arc-shaped side wall part, light leakage can be avoided, and the breakage of the curved surface liquid crystal panel can be prevented.
Description
Technical Field
The invention relates to the technical field of curved surface display, in particular to a curved surface display device structure.
Background
At present, the curved surface display technology is increasingly widely applied to the fields of large-screen televisions and the like. The existing curved television mainly comprises a liquid crystal screen, a plastic middle frame and a metal backboard, wherein glue inlet points are formed on upper and lower frame strips of the plastic middle frame, and as the positions corresponding to the glue inlet points are high in pressure and temperature during molding and are cooled finally, the stress at the positions corresponding to the glue inlet points is concentrated, the hardness is high, and the plastic middle frame is not easy to deform passively, so that the middle frame cannot achieve the same radian as the backboard.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, the middle frame and the backboard cannot reach the same radian as the backboard after being connected, so that the curved surface display device leaks light and a curved surface liquid crystal panel is broken.
The invention provides a curved surface display device structure, which comprises a curved surface liquid crystal panel, a back plate matched with the curvature of the curved surface liquid crystal panel and a middle frame connected with the back plate, wherein the back plate is provided with two arc-shaped side wall parts and two vertical side wall parts, the two arc-shaped side wall parts are formed on two opposite sides of the back plate and matched with the curvature of the back plate, and two ends of each vertical side wall part are respectively adjacent to the two arc-shaped side wall parts; the middle frame comprises two first frame strips which are parallel to each other and two second frame strips which are connected between the two first frame strips and are arranged in parallel to each other, and the two first frame strips and the two second frame strips are enclosed to form a containing space, wherein each first frame strip is provided with an edge part attached to the outer side of each arc-shaped side wall part and a supporting part extending from the edge part to the containing space; each edge part is provided with two fixing areas fixed with the arc-shaped side wall parts and a connecting area connected between the two fixing areas, and one side, far away from the supporting part, of each fixing area is provided with at least one stress relief notch.
Further, each fixing area is provided with a first locking hole and a first clamping part which is arranged at intervals with the first locking hole in the extending direction of the first frame strip, and each arc-shaped side wall part is provided with a first screw hole corresponding to the first locking hole and a first clamping matching part which is matched and clamped with the first clamping part; the stress release notch is arranged between the first locking hole and the first clamping part.
Further, the first clamping portion is a first positioning plate formed in the fixing area, the first clamping matching portion is a first convex hull protruding out of the arc-shaped side wall portion, and a first clamping hole for the first convex hull to slide in and slide out is formed in the first positioning plate.
Further, each fixing area is also provided with a second locking hole respectively, and the first clamping part is positioned between the first locking hole and the second locking hole; and the arc-shaped side wall part is provided with a second screw hole corresponding to the second locking hole.
Further, each fixing area is respectively provided with a second clamping part, and the first locking hole is positioned between the first clamping part and the second clamping part; the arc-shaped side wall part is provided with a second clamping and matching part which is matched and clamped with the second clamping and matching part.
Further, the second clamping portion is a second positioning plate formed in the fixing area, the second clamping matching portion is a second convex hull protruding out of the arc-shaped side wall portion, and a second clamping hole for the second convex hull to slide in and slide out is formed in the second positioning plate.
Further, the method comprises the steps of, the width of the stress relief notch is 2-3 times the thickness of the edge portion.
Further, the depth of the stress relief notch is no more than 75% of the width of the edge portion.
Further, the shape of the stress relief notch is rectangular, semicircular, semi-elliptical or polygonal.
Further, the middle frame is a plastic frame and is provided with four glue feeding points, and one glue feeding point is formed in each fixing area.
Compared with the prior art, the curved surface display device structure provided by the invention has the advantages that the stress release notches are arranged at the left end part and the right end part of the first frame strip, so that the first frame strip can passively reach the curvature matched with the arc-shaped side wall part, the middle frame and the backboard can be better combined, the gap formed between the middle frame and the backboard can be avoided to leak light, in addition, the pressure of the middle frame to the curved surface liquid crystal panel is reduced, and the breakage of the curved surface liquid crystal panel is prevented.
Drawings
Fig. 1 is an exploded schematic view of a curved display device according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1;
fig. 3 is a perspective view illustrating a back plate and a middle frame when the back plate is connected according to an embodiment of the present invention.
Description of the main reference signs
100: curved surface display device
1: curved liquid crystal panel
2: back plate 21: main body part
22: arcuate sidewall portion 23: vertical side wall portion
221: first one screw hole 222: first clamping and matching part
223: second screw hole 224: second snap fit portion
3: middle frame 31: first frame strip
32: second frame strip 3a: accommodating space
33: edge portion 34: support part
331: fixing area 332: connection region
333: first locking hole 334: first engaging portion
335: the second locking hole 336: second engaging part
4: stress relief notch
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention is described in detail below with reference to the specific drawings.
As shown in fig. 1 to 3, a preferred embodiment of the present invention is provided.
The curved display device 100 structure provided in this embodiment includes a curved liquid crystal panel 1, a back plate 2 matching the curvature of the curved liquid crystal panel 1, and a middle frame 3 connected to the back plate 2, wherein the back plate 2 has two arc-shaped side wall portions 22 and two vertical side wall portions 23 formed on opposite sides thereof and matching the curvature of the back plate 2, and two ends of each vertical side wall portion 23 are respectively adjacent to the two arc-shaped side wall portions 22; the middle frame 3 comprises two first frame strips 31 parallel to each other and two second frame strips 32 connected between the two first frame strips 31 and arranged in parallel to each other, wherein the two first frame strips 31 and the two second frame strips 32 enclose to form a containing space 3a, and each first frame strip 31 is provided with an edge part 33 attached to the outer side of each arc-shaped side wall part 22 and a supporting part 34 extending from the edge part 33 to the containing space 3 a; each edge portion 33 has two fixing areas 331 fixed to the arc-shaped side wall portion 22 and a connecting area 332 connected between the two fixing areas 331, and at least one stress relief notch 4 for reducing stress is formed in a side of each fixing area 331 away from the supporting portion 34.
In the structure of the curved surface display device 100, the stress release notches 4 are provided at the left and right end portions of the first frame strip 31, so that the first frame strip 31 can passively reach the curvature matched with the curved side wall portion 22, and thus, the middle frame 3 and the back plate 2 can be better combined, and the gap between the middle frame 3 and the back plate 2 can be avoided to leak light.
For convenience of description, the terms "left", "right", "upper", "lower" and "upper" are used hereinafter in accordance with the left, right, upper and lower directions of the drawings themselves, but do not limit the structure of the present invention.
Referring to fig. 1 and 2, the curved surface display device 100 is mainly composed of a curved surface liquid crystal screen, a back plate 2 and a middle frame 3, wherein the curved surface liquid crystal screen includes a curved surface backlight module (not shown) and a curved surface liquid crystal panel 1 disposed corresponding to the curved surface backlight module.
The back plate 2 is made of metal materials, the back plate 2 is matched with the curvature of the curved liquid crystal panel 1, the back plate 2 comprises an arc-shaped main body part 21, two arc-shaped side wall parts 22 connected to the upper side and the lower side of the main body part 21 and matched with the curvature of the back plate 2, and two vertical side wall parts 23 connected to the left side and the right side of the main body part 21, and two ends of each vertical side wall part 23 are respectively adjacent to the two arc-shaped side wall parts 22. The bending direction of the main body portion 21 coincides with the bending direction of the curved liquid crystal panel 1, that is, both have the same curvature.
The middle frame 3 is made of plastic through integral molding, and the curved liquid crystal panel 1 is fixed between the middle frame and the back plate 2 through the combination of the middle frame and the back plate. However, since the middle frame 3 has a high hardness, particularly at a position corresponding to a glue-in point (not shown) of the middle frame 3, the middle frame 3 is not easily deformed due to stress concentration at the position, and the middle frame 3 cannot be bonded to the back plate 2 well. In order to make the middle frame 3 have the same curvature as the back plate 2 after it is attached to the back plate 2, a stress relief notch 4 is provided on the middle frame 3 to reduce stress generated when the middle frame 3 is bent. In this embodiment, the middle frame 3 includes two first frame strips 31 parallel to each other and two second frame strips 32 connected between the two first frame strips 31 and disposed parallel to each other, and the two first frame strips 31 and the two second frame strips 32 enclose a receiving space 3a. The two first frame strips 31 are respectively connected with the two arc-shaped side wall parts 22, each first frame strip 31 is provided with an edge part 33 attached to the outer side of each arc-shaped side wall part 22 and a supporting part 34 extending from the edge part 33 to the accommodating space 3a, and after the first frame strips 31 are connected with the arc-shaped side wall parts 22, elastic deformation is generated so as to passively reach the curvature matched with the curvature of the arc-shaped side wall parts 22.
As shown in fig. 1 and 2, each edge portion 33 has two fixing areas 331 and a connecting area 332 fixed to the arc-shaped side wall portion 22, and each fixing area 331 is formed with a glue inlet point, after the fixing areas 331 are connected to the arc-shaped side wall portion 22, stress concentration is caused by different hardness of the glue inlet points in the fixing areas 331, so a stress release notch 4 for reducing stress is formed in a position corresponding to the glue inlet point on each fixing area 331, and the stress release notch 4 is located on a side, away from the supporting portion 34, of the fixing area 331 so as to reduce the hardness of the glue inlet point. In the present embodiment, the two fixing areas 331 are located approximately at the left and right ends of the edge portion 33, the connecting area 332 is connected between the two fixing areas 331, each fixing area 331 has a first locking hole 333 and a first engaging portion 334 spaced from the first locking hole 333 in the extending direction of the first frame strip 31, the stress relief notch 4 is disposed between the first locking hole 333 and the first engaging portion 334, the number of the stress relief notches 4 formed on each fixing area 331 is but not limited to one, and the shape of the stress relief notch 4 is rectangular (of course, may also be semicircular, semi-elliptical or polygonal). The arc-shaped side wall portion 22 has a first screw hole 221 corresponding to the first locking hole 333, and a first engagement portion 222 engaged with the first engagement portion 334. Specifically, the first engaging portion 334 is a first positioning plate formed in the fixing area 331, the first engaging portion 222 is a first convex hull protruding outside the arc-shaped sidewall 22, and a first engaging hole for sliding in and out the first convex hull is formed in the first positioning plate. It is easy to understand that, after the first locking hole 333 and the first screw hole 221 are locked by the first convex hull and the first locking hole by the screw, the middle frame 3 is assembled on the back plate 2 in a manner matching with the curvature of the arc-shaped side wall portion 22, and is well attached to the back plate 2.
Of course, the first engaging portion 334 is a hook protruding on the inner wall of the fixing area 331, and the first engaging portion 222 is a slot protruding on the arc-shaped side wall 22.
As shown in fig. 1 and 2, each fixing area 331 is further provided with a second locking hole 335, the first engaging portion 334 is located between the first locking hole 333 and the second locking hole 335, and the arc-shaped side wall portion 22 is provided with a second screw hole 223 corresponding to the second locking hole 335. Each fixing area 331 is respectively provided with a second clamping portion 336, the first locking hole 333 is located between the first clamping portion 334 and the second clamping portion 336, and the arc-shaped side wall portion 22 is provided with a second clamping matching portion 224 which is matched and clamped with the second clamping portion 336. Specifically, the second engaging portion 336 is a second positioning plate formed in the fixing area 331, and the second engaging portion 224 is a second convex hull protruding outside the arc-shaped sidewall 22, and a second engaging hole for sliding in and out the second convex hull is formed in the second positioning plate. In this way, the connection strength between the middle frame 3 and the backboard 2 can be increased, and the structural stability after connection can be improved.
As a further optimization, the width of the stress relief notch 4 is 2-3 times the thickness of the edge portion 33, preferably the width of the stress relief notch 4 is 2.5 times the thickness of the edge portion 33. The depth of the stress relief notch 4 does not exceed 75% of the width of the edge portion 33, and the depth of the stress relief notch 4 is preferably 75% of the width of the edge portion 33, and it should be noted that the depth of the stress relief notch 4 refers to the distance that the stress relief notch 4 extends to the edge of the side of the fixing area 331 away from the supporting portion 34 in the direction perpendicular to the surface of the supporting portion 34. Therefore, by selecting the parameters of the stress release notch 4, the stress generated by the glue feeding point is reduced, the strength of the first frame strip 31 is not lost, and the stress of the glue feeding point can be better released when the arranged stress release notch 4 is bent and deformed on the first frame strip 31.
As a further optimization, the two stress release notches 4 on the same first frame strip 31 are symmetrically arranged relative to the central part of the first frame strip 31, so that the stress release degrees of the two stress release notches 4 are basically the same, the fit degree of the middle frame 3 and the back plate 2 is higher, the pressure of the two end parts of the middle frame 3 to the curved liquid crystal panel 1 is ensured to be consistent, thus light leakage of the curved backlight module can be avoided, and compression fracture of the curved liquid crystal panel 1 can be prevented.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The curved surface display device structure comprises a curved surface liquid crystal panel, a back plate matched with the curvature of the curved surface liquid crystal panel and a middle frame connected with the back plate, wherein the back plate is provided with two arc-shaped side wall parts and two vertical side wall parts, the two arc-shaped side wall parts are formed on two opposite sides of the back plate and matched with the curvature of the back plate, and two ends of each vertical side wall part are respectively adjacent to the two arc-shaped side wall parts; the middle frame comprises two first frame strips which are parallel to each other and two second frame strips which are connected between the two first frame strips and are arranged in parallel to each other, and the two first frame strips and the two second frame strips are enclosed to form a containing space, and the middle frame is characterized in that each first frame strip is provided with an edge part attached to the outer side of each arc-shaped side wall part and a supporting part extending from the edge part to the containing space; each edge part is provided with two fixing areas fixed with the arc-shaped side wall parts and a connecting area connected between the two fixing areas, and one side, far away from the supporting part, of each fixing area is provided with at least one stress relief notch; the two fixing areas are positioned at the left end part and the right end part of the edge part, and the connecting area is connected between the two fixing areas; each fixing area is internally provided with a glue inlet point;
the width of the stress relief notch is 2.5 times of the thickness of the edge part;
the depth of the stress relief notch is no more than 75% of the width of the edge portion;
two stress release openings on the same first frame strip are symmetrically arranged relative to the central part of the first frame strip;
each fixing region is provided with a first locking hole and first clamping parts which are arranged at intervals with the first locking holes in the extending direction of the first frame strip, and each arc-shaped side wall part is provided with a first screw hole corresponding to the first locking hole and a first clamping matching part which is matched and clamped with the first clamping part; the stress release notch is arranged between the first locking hole and the first clamping part;
the first clamping part is a first positioning plate formed in the fixed area, the first clamping matching part is a first convex hull convexly arranged on the outer side of the arc-shaped side wall part, and a first clamping hole for the first convex hull to slide in and slide out is formed in the first positioning plate;
each fixed region is respectively provided with a second clamping part, and the first locking hole is positioned between the first clamping part and the second clamping part; the arc-shaped side wall part is provided with a second clamping and matching part which is matched and clamped with the second clamping and matching part;
the second clamping part is a second positioning plate formed in the fixed area, the second clamping matching part is a second convex hull convexly arranged on the outer side of the arc-shaped side wall part, and a second clamping hole for the second convex hull to slide in and slide out is formed in the second positioning plate.
2. The curved display device structure according to claim 1, wherein each of the fixing areas is further provided with a second locking hole, and the first engaging portion is located between the first locking hole and the second locking hole; and the arc-shaped side wall part is provided with a second screw hole corresponding to the second locking hole.
3. The curved display device structure of claim 1 or 2, wherein said stress relief notch has a rectangular, semi-circular, semi-elliptical or polygonal shape.
4. The curved display device structure according to claim 1 or 2, wherein the middle frame is a plastic frame, and the middle frame has four glue feeding points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403904.8A CN105911733B (en) | 2016-06-03 | 2016-06-03 | Curved surface display device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403904.8A CN105911733B (en) | 2016-06-03 | 2016-06-03 | Curved surface display device structure |
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| Publication Number | Publication Date |
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| CN105911733A CN105911733A (en) | 2016-08-31 |
| CN105911733B true CN105911733B (en) | 2023-08-29 |
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| CN201610403904.8A Active CN105911733B (en) | 2016-06-03 | 2016-06-03 | Curved surface display device structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106790812B (en) * | 2016-12-28 | 2024-01-05 | 东莞长盈精密技术有限公司 | Middle frame material plate of mobile terminal |
| CN108803106B (en) * | 2017-05-04 | 2022-06-24 | 纬创资通（中山）有限公司 | Display device |
| CN111199681B (en) * | 2018-11-19 | 2024-09-17 | 瑞仪(广州)光电子器件有限公司 | Curved surface backlight module and display equipment thereof |
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| CN105911733A (en) | 2016-08-31 |
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