CN217932339U - Large-format liquid crystal display screen - Google Patents
Large-format liquid crystal display screen Download PDFInfo
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- CN217932339U CN217932339U CN202221568106.8U CN202221568106U CN217932339U CN 217932339 U CN217932339 U CN 217932339U CN 202221568106 U CN202221568106 U CN 202221568106U CN 217932339 U CN217932339 U CN 217932339U
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- liquid crystal
- light source
- back plate
- display panel
- crystal display
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 74
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a big breadth liquid crystal display, include: the liquid crystal display panel comprises a display panel, liquid crystal glass attached to the surface of one side of the display panel and a light source back plate arranged on one side, far away from the display panel, of the liquid crystal glass, diffusion sheets, a light guide plate and reflection paper are sequentially stacked between the liquid crystal glass and the light source back plate, a plurality of through holes are formed in the light source back plate, a push rod with a push block at one end penetrates through the through holes, the push block and the reflection paper push the liquid crystal glass and the display panel to be in contact towards the surface of the light source back plate, and the other end of the push rod is installed on the light source back plate. The utility model discloses a remain real zero laminating throughout in long-term use between liquid crystal glazing and the display panel, promote and show definition and effect.
Description
Technical Field
The utility model relates to a jumbo size display screen technical field, concretely relates to big breadth liquid crystal display.
Background
The principle of liquid crystal display is that a backlight assembly emits uniform surface light, which is transmitted to our eyes through a liquid crystal screen, which functions to process the light by pixels to display images. With the development of the technology, the size of a display screen is larger and larger, for example, the size of a display screen used for an intelligent blackboard is generally 86 inches, and the large-size display screen often generates the situation that the displayed image is blurred and not clear enough, so that the use experience of a user is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big breadth liquid crystal display, this big breadth liquid crystal display has realized keeping real zero laminating throughout in long-term use between liquid crystal glazing and the display panel, promotes and shows definition and effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a large format liquid crystal display, comprising: the liquid crystal display panel comprises a display panel, liquid crystal glass attached to the surface of one side of the display panel and a light source back plate arranged on one side, far away from the display panel, of the liquid crystal glass, diffusion sheets, a light guide plate and reflection paper are sequentially stacked between the liquid crystal glass and the light source back plate, a plurality of through holes are formed in the light source back plate, a push rod with a push block at one end penetrates through the through holes, the push block and the reflection paper are in pushing contact towards the surface of the light source back plate, the liquid crystal glass and the display panel are tightly attached to each other, and the other end of the push rod is installed on the light source back plate.
The technical scheme of further improvement in the technical scheme is as follows:
1. in the above scheme, the push rod capable of moving along the direction vertical to the light source back plate is connected with the light source back plate through threads.
2. In the above scheme, a plurality of supporting seats corresponding to the through holes are installed on the surface of the light source back plate far away from the reflection paper, and threaded holes matched with the threads on the push rod are formed in the supporting seats.
3. In the above scheme, the plurality of through holes are arranged in the central area of the light source backboard.
4. In the above scheme, the plurality of through holes are arranged at intervals along the length direction of the light source backboard.
5. In the above scheme, at least 3 through holes are arranged at equal intervals along the circumferential direction.
6. In the above scheme, one of the through holes is located in the center of the light source backboard, and the rest of the through holes are arranged around the center of the light source backboard at equal intervals.
7. In the above scheme, the display panel is a glass panel, and the light source backboard is an aluminum plate or an aluminum honeycomb plate.
8. In the above scheme, the diffusion sheet, the light guide plate and the reflection paper which are stacked are mounted on the light source back plate through the pressing strips arranged at the edges of the diffusion sheet, the light guide plate and the reflection paper, and the liquid crystal glass is mounted on the display panel through the pressing strips arranged at the edges of the liquid crystal glass.
9. In the above scheme, the light guide plate is provided with the lamp strip on the outer side.
Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:
the utility model discloses a plurality of through-hole has been seted up on its light source backplate to big breadth liquid crystal display, and the push rod that one end has the ejector pad passes the through-hole, the ejector pad is closely laminated with the reflection paper towards the surface ejection contact of light source backplate and make between liquid crystal glazing and the display panel, realizes through a plurality of ejector pads that remain real zero laminating throughout in long-term use between liquid crystal glazing and the display panel, promotes and shows definition and effect.
Drawings
Fig. 1 is a schematic view of the overall structure of a large-format liquid crystal display screen according to the present invention;
fig. 2 is a sectional view of a partial structure of the large-format liquid crystal display screen of the present invention;
fig. 3 is a partial structural sectional view of embodiment 4 of the large-format liquid crystal display panel of the present invention;
FIG. 4 is a schematic view showing the distribution of through holes on a back plate of a light source according to the present invention;
FIG. 5 is a second schematic diagram of the distribution of through holes on the back plate of the light source of the present invention;
fig. 6 is a third schematic diagram of the distribution of the through holes on the back plate of the intermediate light source of the present invention.
In the above drawings: 1. a display panel; 2. liquid crystal glass; 3. a light source back plate; 4. a diffusion sheet; 5. a light guide plate; 6. reflective paper; 7. a through hole; 8. a push block; 9. a push rod; 10. a supporting seat; 11. a touch film; 12. a separator.
Detailed Description
The invention will be further described with reference to the following examples:
in the description of the present patent, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on technical solutions, and are only used for convenience of describing the present patent and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, cannot be construed as limiting the patent; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a large format liquid crystal display, comprising: display panel 1, with the liquid crystal glazing 2 of the laminating of display panel 1 one side surface and set up in liquid crystal glazing 2 and keep away from the light source backplate 3 of display panel 1 one side, diffusion piece 4, light guide plate 5 and reflection paper 6 have stacked in proper order between liquid crystal glazing 2 and the light source backplate 3, a plurality of through-hole 7 has been seted up on the light source backplate 3, and one end has push rod 9 of ejector pad 8 to pass through-hole 7, ejector pad 8 and reflection paper 6 are towards the surface of light source backplate 3 and are pushed up the contact and make and closely laminate between liquid crystal glazing 2 and the display panel 1, the other end of push rod 9 is installed on light source backplate 3.
The push rod 9 which can move along the direction vertical to the light source backboard 3 is connected with the light source backboard 3 through screw threads;
the through holes 7 are arranged in the central area of the light source back plate 3; the through holes 7 are arranged at intervals along the length direction of the light source backboard 3;
the surface of the light source backboard 3 far away from the reflecting paper 6 is provided with a plurality of supporting seats 10 corresponding to the through holes 7, and the supporting seats 10 are provided with threaded holes matched with the threads on the push rod 9.
Example 2: a large format liquid crystal display, comprising: display panel 1, with the liquid crystal glazing 2 of the laminating of display panel 1 one side surface and set up in liquid crystal glazing 2 and keep away from the light source backplate 3 of display panel 1 one side, diffusion piece 4, light guide plate 5 and reflection paper 6 have stacked in proper order between liquid crystal glazing 2 and the light source backplate 3, a plurality of through-hole 7 has been seted up on the light source backplate 3, and one end has push rod 9 of ejector pad 8 to pass through-hole 7, ejector pad 8 and reflection paper 6 are towards the surface of light source backplate 3 and are pushed up the contact and make and closely laminate between liquid crystal glazing 2 and the display panel 1, the other end of push rod 9 is installed on light source backplate 3.
The light source back plate 3 is an aluminum plate; the through holes 7 are arranged in the central area of the light source back plate 3; at least 3 of the through holes 7 are arranged at equal intervals along the circumferential direction;
the diffusion sheet 4, the light guide plate 5, and the reflection paper 6, which are stacked, are mounted on the light source rear plate 3 by a bead disposed at an edge thereof, and the liquid crystal glass 2 is mounted on the display panel 1 by a bead disposed at an edge thereof.
Example 3: a large format liquid crystal display, comprising: display panel 1, with the liquid crystal glazing 2 of the surface laminating of display panel 1 one side and set up in liquid crystal glazing 2 and keep away from the light source backplate 3 of display panel 1 one side, diffusion piece 4, light guide plate 5 and reflection paper 6 have stacked in proper order between liquid crystal glazing 2 and the light source backplate 3, a plurality of through-hole 7 has been seted up on the light source backplate 3, and the push rod 9 that one end has ejector pad 8 passes through-hole 7, ejector pad 8 and reflection paper 6 are towards the surface ejection contact of light source backplate 3 and make and closely laminate between liquid crystal glazing 2 and the display panel 1, the other end of push rod 9 is installed on light source backplate 3.
One of the through holes 7 is positioned in the center of the light source back plate 3, and the rest of the through holes are arranged around the center of the light source back plate 3 at equal intervals; the display panel 1 is a glass panel, and the light source backboard 3 is an aluminum honeycomb panel; a lamp strip is arranged outside the light guide plate 5; comprising at least two superposed diffuser plates 4.
Example 4: a large format liquid crystal display, comprising: the display panel comprises a display panel 1, a touch film 11 attached to the surface of one side of the display panel 1, and a light source back plate 3 arranged on the side, opposite to the display panel 1, of the touch film 11, a piece of liquid crystal glass 2 is arranged between the touch film 11 and the light source back plate 3 and attached to the surface of the touch film 11, and a diffusion sheet 4, a light guide plate 5 and a piece of reflection paper 6 are sequentially stacked between the liquid crystal glass 2 and the light source back plate 3;
the light source back plate 3 is provided with a plurality of through holes 7, a push rod 9 with a push block 8 at one end penetrates through the through holes 7, the push block 8 and the reflecting paper 6 are in pushing contact towards the surface of the light source back plate 3, so that the superposed liquid crystal glass 2, the touch control film 11 and the display panel 1 are sequentially and tightly attached, and the other end of the push rod 9 is arranged on the light source back plate 3; the touch interaction and display functions are realized, and meanwhile, the small and constant distance between the liquid crystal glass and the panel is ensured, so that the definition and effect of a display picture in the long-term use process are ensured, and the user experience is improved;
a baffle 12 that is located between liquid crystal glazing 2 and touch-control membrane 11 laminates with liquid crystal glazing 2, touch-control membrane 11 face respectively, baffle 12 is PC board or ya keli board or glass board, can further avoid the deformation of large-size liquid crystal display panel and the mutual interference between touch-control membrane, improves touch-control display performance and guarantees the stability of each performance.
The utility model discloses a large format liquid crystal display has seted up a plurality of through-hole on its light source backplate, and the push rod that one end has the ejector pad passes the through-hole, the ejector pad is closely laminated with the surface ejection contact of reflection paper orientation light source backplate and make between liquid crystal glass and the display panel, realizes through a plurality of ejector pads that to keep real zero laminating throughout in long-term use between liquid crystal glass and the display panel, promotes and shows definition and effect.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A large format liquid crystal display, comprising: display panel (1), with liquid crystal glazing (2) of display panel (1) one side surface laminating and set up in liquid crystal glazing (2) and keep away from light source backplate (3) of display panel (1) one side, the superpose has diffusion piece (4), light guide plate (5) and reflection paper (6), its characterized in that in proper order between liquid crystal glazing (2) and light source backplate (3): the liquid crystal display panel is characterized in that the light source back plate (3) is provided with a plurality of through holes (7), a push rod (9) with a push block (8) at one end penetrates through the through holes (7), the push block (8) and the reflection paper (6) are in pushing contact towards the surface of the light source back plate (3) and enable the liquid crystal glass (2) and the display panel (1) to be tightly attached, and the other end of the push rod (9) is installed on the light source back plate (3).
2. The large format liquid crystal display of claim 1, wherein: the push rod (9) capable of moving along the direction vertical to the light source back plate (3) is connected with the light source back plate (3) through threads.
3. The large format liquid crystal display of claim 2, wherein: a plurality of supporting seats (10) corresponding to the through holes (7) are installed on the surface, far away from the reflecting paper (6), of the light source back plate (3), and threaded holes matched with the threads on the push rod (9) are formed in the supporting seats (10).
4. The large-format liquid crystal display screen according to any one of claims 1 to 3, wherein: the through holes (7) are arranged in the central area of the light source backboard (3).
5. The large format liquid crystal display of claim 4, wherein: the through holes (7) are arranged at intervals along the length direction of the light source back plate (3).
6. The large format liquid crystal display of claim 4, wherein: at least 3 through-holes (7) set up along the circumferencial direction at equal intervals.
7. The large format liquid crystal display of claim 4, wherein: one of the through holes (7) is positioned in the center of the light source back plate (3), and the rest of the through holes are arranged around the center of the light source back plate (3) at equal intervals.
8. The large format liquid crystal display of claim 1, wherein: the display panel (1) is a glass panel, and the light source backboard (3) is an aluminum plate or an aluminum honeycomb plate.
9. The large format liquid crystal display of claim 1, wherein: the overlapped diffusion sheet (4), the light guide plate (5) and the reflection paper (6) are arranged on the light source back plate (3) through pressing strips arranged at the edges of the diffusion sheet, the light guide plate and the reflection paper, and the liquid crystal glass (2) is arranged on the display panel (1) through the pressing strips arranged at the edges of the liquid crystal glass.
10. The large format liquid crystal display of claim 1, wherein: and a lamp strip is arranged on the outer side of the light guide plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568106.8U CN217932339U (en) | 2022-06-22 | 2022-06-22 | Large-format liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568106.8U CN217932339U (en) | 2022-06-22 | 2022-06-22 | Large-format liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217932339U true CN217932339U (en) | 2022-11-29 |
Family
ID=84182896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221568106.8U Active CN217932339U (en) | 2022-06-22 | 2022-06-22 | Large-format liquid crystal display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217932339U (en) |
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- 2022-06-22 CN CN202221568106.8U patent/CN217932339U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Effective date of registration: 20240914 Granted publication date: 20221129 |