CN111399276A - Light leakage prevention spliced screen and combined screen thereof - Google Patents
Light leakage prevention spliced screen and combined screen thereof Download PDFInfo
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- CN111399276A CN111399276A CN202010326061.2A CN202010326061A CN111399276A CN 111399276 A CN111399276 A CN 111399276A CN 202010326061 A CN202010326061 A CN 202010326061A CN 111399276 A CN111399276 A CN 111399276A
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
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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
- G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a light leakage prevention spliced screen and a combined screen thereof, and belongs to the technical field of education equipment. The invention overcomes the defects caused by the light leakage phenomenon of the spliced screen in the prior art after long-term use, and provides the light leakage prevention spliced screen. The invention also provides a light leakage prevention combined screen which is formed by combining and splicing at least two spliced screens, and two independent flanges for pressing the liquid crystal glass are arranged to share one edge covering and extend towards two opposite directions, so that the physical splicing seam is narrowed, the process of splicing the two edge coverings is omitted, and the installation process of the spliced screens is simplified.
Description
Technical Field
The invention belongs to the technical field of education equipment, and particularly relates to a light leakage prevention spliced screen and a combined screen thereof.
Background
The split screen is mainly spliced to effectively realize larger-size display under the limitation of the maximum size of a single display screen, can realize the splicing of any number of single display screens theoretically, and has a freely-set length-width ratio, so that the split screen is widely applied to the fields of security, monitoring, medical treatment, broadcast television, advertising media and the like.
The liquid crystal spliced screen can be used as a complete display unit, can be independently used as a display, and can also be used as an ultra-large screen. According to different use requirements, the changeable large-screen function which can be changed in size and small can be realized, such as: the method comprises the following steps of single-screen split display, single-screen independent display, arbitrary combined display, full-screen liquid crystal splicing, optional compensation or covering of an image frame, support of roaming, zooming and stretching of digital signals and cross-screen display, setting and operation of various display plans, real-time processing of full-high-definition signals and the like, and is very wide in application range. The requirements of actual life require that the spliced display screen has the characteristics of high definition, high brightness and high brightness uniformity, and most of the spliced display screens need to be started up for 7 × 24 hours, so that the requirement on the reliability of products is higher.
For reducing liquid crystal display's thickness, most adopt side light type backlight unit at present, this kind of liquid crystal display is when fixed, generally glue the frame through the outside and the bottom plate cooperation with backlight unit card inside, glue the frame and be equipped with the protruding light guide plate with backlight unit of card fixed. However, in the long-time start-up process, the spliced screen machine body generates heat, the phenomenon of thermal expansion can appear in some spare parts if gluing the frame, oppress the frame, the condition that the frame misplaces can appear, the light that the light source sent just can be transmitted out from the clearance that the dislocation formed, so that the problem of frame light leak appears, the problem of frame light leak can seriously reduce the viewing effect of spliced screen, the light rate of utilization has been reduced, reduce frame sealing performance simultaneously, if the spliced screen is used outdoors, still can reduce its life.
In order to solve the above problems, a related technical scheme is disclosed, for example, in patent application No. 2015210505642, the application date is 2015, 12 and 16, and the invention is named as a light leakage prevention liquid crystal display screen, the display screen disclosed in the scheme comprises a backlight module and a fixing frame, the fixing frame comprises a bottom plate and a rubber frame which are fixedly connected, an accommodating space is enclosed by the bottom plate and the rubber frame, the backlight module is arranged in the accommodating space, the backlight module comprises a light guide plate, a L ED module and an optical diaphragm, the L ED module is arranged on one side of the light guide plate, the L ED module is arranged between the light guide plate and the rubber frame, a clamping groove is arranged on one side, close to the L ED module, of a light emergent surface of the light guide plate, a clamping claw matched with the clamping groove extends towards the light guide plate, the clamping claw is arranged to realize the effect of shielding the light.
However, the plastic frame is usually made of plastic material, the heat deformation of the plastic frame will directly affect the shape of the clamping jaw, the other end of the clamping jaw is fixed on the light guide plate, and the clamping jaw deforms to reduce the service life of the clamping jaw and affect the use performance of the light guide plate, so that the scheme is worth further improvement.
In summary, how to overcome the defects caused by the light leakage phenomenon of the long-term use of the tiled screen in the prior art is a technical problem to be solved urgently in the prior art.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention overcomes the defects caused by the light leakage phenomenon of the spliced screen in the prior art after long-term use, and provides the light leakage prevention spliced screen.
The invention also provides a light leakage prevention combined screen which is formed by combining and splicing at least two spliced screens, and two independent flanges for pressing the liquid crystal glass are arranged to share one edge covering and extend towards two opposite directions, so that the physical splicing seam is narrowed, the process of splicing the two edge coverings is omitted, and the installation process of the spliced screens is simplified.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a light leakage prevention spliced screen which comprises liquid crystal glass, a diffusion plate and a module profile, wherein the module profile is used for bearing the diffusion plate and arranged at the bottom of the diffusion plate, one end of the module profile extends to the bottom of the liquid crystal glass to form a first convex angle, the diffusion plate is abutted against the first convex angle, a wrapping edge is further arranged on the side edge of the module profile, the wrapping edge extends to the surface of the liquid crystal glass to form a flanging, and the liquid crystal glass is pressed and fixed through the flanging and the first convex angle.
As a further improvement of the invention, the first convex angle is provided with a first groove, and a rubber strip for limiting the sliding of the liquid crystal glass is arranged in the first groove.
As a further improvement of the invention, the flanging comprises a first flanging and a second flanging, and the first flanging and the second flanging are arranged at the same end of the edge covering in a reverse direction and are used for fixing two adjacent pieces of liquid crystal glass.
As a further improvement of the invention, the first flanging and the second flanging are distributed in a staggered manner along the length direction of a splicing seam formed by two adjacent liquid crystal glasses.
As a further development of the invention, the width of the cuff is not greater than the width of the first lobe.
As a further improvement of the invention, the bottom of the module section bar is supported and fixed by the back plate, and the bottom of the module section bar is convexly arranged along the edge covering direction arranged on the side edge and forms a second convex angle, so that a cavity structure for accommodating the PCB is formed between the module section bar and the edge covering.
As a further improvement of the invention, one end of the PCB is abutted against the wrapping edge, and the other end of the PCB is clamped in a second groove formed on the second convex angle.
As a further improvement of the invention, the liquid crystal glass and the module section bar are both adhered and fixed with the edge cover through fixing glue.
As a further improvement of the invention, the wrapping edges and the module section bars are made of aluminum alloy materials, and the flanging formed by extending the wrapping edges to the surface of the liquid crystal glass is set to be in arc-shaped angle transition.
The invention discloses a light leakage prevention combined screen which comprises at least two light leakage prevention spliced screens.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the light leakage prevention spliced screen, the first convex angle is arranged in a protruding mode relative to the surface of the diffusion plate, a cavity for free deformation of the diffusion plate is formed between liquid crystal glass and the diffusion plate, the deformation trend of the diffusion plate is transited from the fixed ends at two sides to the free end in the middle and limited in the cavity, and the first convex angle at the side cannot be extruded; and cancel between diffuser plate and the module section bar and glue the frame design, prevent effectively that backlight unit from using the gluey frame that leads to for a long time to be heated the thermal deformation oppression and bordure and turn up, avoided the emergence of light leak phenomenon.
(2) According to the light leakage prevention spliced screen, the edge and the module section are made of the aluminum alloy material, the aluminum alloy material is not easy to deform relative to a plastic material, the bearing strength is high, the module section is directly contacted and fixedly connected with the edge of the side edge, and the edge dislocation caused by the deformation of the module section can be avoided even if individual parts are subjected to thermal expansion, so that the phenomenon of light leakage of a frame is effectively overcome.
(3) The light leakage prevention spliced screen is used for matching the flange of the first convex angle pressing liquid crystal glass into an extremely narrow structure, the width of the flange is not larger than that of the first convex angle, the spliced screen is used for splicing and combining, the distance of a display area formed between two adjacent spliced screens can be 3.5mm, the split feeling formed by the display images of the spliced screen can be weakened, the problem of light leakage at the spliced seam is overcome, and the visual perception of a user is greatly improved.
(4) The light leakage preventing combined screen is formed by combining and splicing at least two spliced screens, and two independent flanges for pressing liquid crystal glass are arranged to share one edge covering and extend towards two opposite directions, so that a physical splicing seam formed by the original edge covering is narrowed to be half of the original physical splicing seam, and meanwhile, the process of splicing the two edge coverings is omitted, the mounting process of the spliced screens is simplified to a certain extent, and the labor cost is saved.
(5) According to the light leakage prevention spliced screen, when two adjacent spliced screens share one side edge covering, the first flanging and the second flanging are distributed in a staggered mode along the length direction of the spliced seam formed by two adjacent liquid crystal glasses, the flanging stress distributed uniformly along the two sides of the spliced seam is guaranteed to be dispersed, the first flanging and the second flanging are mutually constrained and balanced in stress, the edge covering deformation caused by different stress of the flanging at the two sides is prevented, and the light leakage phenomenon caused by the dislocation of the edge covering position is further avoided.
Drawings
FIG. 1 is a schematic partial cross-sectional view of a light leakage preventing tiled screen of the present invention;
FIG. 2 is an enlarged view of section A of the spliced screen of FIG. 1;
FIG. 3 is a schematic partial cross-sectional view of a shared-hemmed tiled screen of example 2;
FIG. 4 is a schematic partial cross-sectional view of a light leakage prevention composite panel according to the present invention;
FIG. 5 is a schematic partial cross-sectional view of a light leakage preventing composite panel of the present invention having a common border;
FIG. 6 is a schematic front view of a light leakage preventing composite panel (with the same flange width) according to example 3;
FIG. 7 is a schematic front view of the light leakage preventing combination screen (with different flange widths) of example 3;
the reference numerals in the schematic drawings illustrate:
1. edge covering; 11. flanging; 111. a first flanging; 112. second flanging; 2. liquid crystal glass; 3. a diffusion plate; 4. a module profile; 41. a first lobe; 42. a first groove; 43. a second lobe; 44 a second groove; 5. a rubber strip; 6. a PCB board; 7. mylar; 8. a back plate; 9. and (5) fixing glue.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
With reference to fig. 1 and fig. 2, the light leakage prevention spliced screen of the embodiment includes a liquid crystal glass 2, a diffuser plate 3 and a module profile 4 for carrying the diffuser plate 3 and disposed at the bottom of the diffuser plate, the bottom of the module profile 4 is connected with a back plate 8, one end of the module profile 4 extends to the bottom of the liquid crystal glass 2 and forms a first convex angle 41, the diffuser plate 3 abuts against the first convex angle 41, the side of the module profile 4 is further provided with a wrapping edge 1, the wrapping edge 1 extends to the surface of the liquid crystal glass 2 and forms a flanging 11, and the liquid crystal glass 2 is fixed by the flanging 11 and the first convex angle 41 in a pressing manner.
Specifically, in this embodiment, module section bar 4 and 1 direct contact of borduring of side and link firmly, 1 turn-ups 11 and the contact of liquid crystal glazing 2 surface that the bending becomes of borduring are linked firmly. In this embodiment, the design of the rubber frame is eliminated, and instead, the module profile 4 is directly extended to the bottom of the liquid crystal glass 2, and the liquid crystal glass 2 is fixed by the pressing and clamping of the flange 11 and the first convex angle 41 in cooperation with the structure of the flange 11 extending from the side edge of the module profile 4 to the surface of the liquid crystal glass 2.
Specifically, the first salient 41 structure formed by the module profile 4 protrudes from the surface of the diffuser 3, a cavity is formed between the liquid crystal glass 2 and the diffuser 3, the cavity can allow the diffuser 3 to deform freely without affecting other parts, and the diffuser 3 is a thin product, the deformation trend of the diffuser is transited from the fixed ends at two sides to the free end at the middle, the end of the diffuser 3 is not constrained by the resultant force, so the deformation space of the diffuser 3 is limited in the cavity, the first salient 41 at the side is not extruded, and the diffuser 3 is effectively prevented from being deformed by heat and pressing the edge 1 to turn over due to long-time use of the backlight module.
Further, border 1 and module section bar 4 all adopt the aluminum alloy material to make in this embodiment, and the aluminum alloy material is for plastic material non-deformable, and it bears the weight of the intensity height, and module section bar 4 links firmly with 1 direct contact of borduring of side, even the thermal expansion condition appears in the spare part individually, also can not lead to the fact 1 dislocation of borduring because of module section bar 4 deformation to the phenomenon of frame light leak has effectively been overcome.
Preferably, in order to improve the structural stability of the spliced screen in this embodiment, a first groove 42 is formed in the first convex corner 41 in this embodiment, and a rubber strip 5 for limiting the sliding of the liquid crystal glass 2 is arranged in the first groove 42. Rubber strip 5 is for plastics injection molding, and it is bigger with the liquid crystal glazing 2 between the friction, better fixed liquid crystal glazing 2 in the installation.
In order to solve the light leakage phenomenon of the display screen, various technical schemes are provided in the prior art, but it is worth emphasizing that the embodiment is different from the prior art in that the embodiment is designed aiming at a light leakage prevention structure of the spliced screen, and the structural characteristics of the spliced screen require that a frame structure is narrowed as much as possible, so that seamless splicing is realized, the image splitting feeling is weakened, and the visual perception of a user is improved.
Therefore, the flange 11 for cooperating with the first convex corner 41 to press the liquid crystal glass 2 is a very narrow structure in the present embodiment, preferably, the width of the flange 11 in the present embodiment is not greater than the width of the first convex corner 41, and the flange 11 formed by extending the edge 1 to the surface of the liquid crystal glass 2 is configured to be in arc-shaped angle transition, so as to prevent the structure of the flange 11 from being scratched and damaged, and reduce the connection effect on the liquid crystal glass 2. Utilize the concatenation screen of this embodiment to carry out the concatenation combination, the display area distance that forms between two adjacent concatenation screens can accomplish 3.5mm, is enough to weaken the splitting sense that the concatenation screen display image formed, and the light leak problem of concatenation seam department can be overcome, improves user's visual perception greatly.
Example 2
Referring to fig. 3, the structure of the light leakage prevention spliced screen of the present embodiment is substantially the same as that of embodiment 1, except that: when the spliced screen of this embodiment is used for combining and splicing to form a large screen structure, the turned edge 11 includes a first turned edge 111 and a second turned edge 112, and the first turned edge 111 and the second turned edge 112 are arranged at the same end of the edge 1 and in the reverse direction so as to be used for fixing two adjacent pieces of liquid crystal glass 2.
In order to further reduce the seam, the present embodiment sets two independent flanges 11 for pressing the liquid crystal glass 2 to share one flange 1 and extend in two opposite directions. The advantages of such a design are: the physical abutted seam formed by the original edge covering 11 is narrowed to be half of the original physical abutted seam, and meanwhile, the process of splicing the two edge coverings is omitted, so that the installation procedure of the spliced screen is simplified to a certain extent, and the labor cost is saved. Specifically, in the present embodiment, the liquid crystal glass 2 and the module profile 4 are both adhered and fixed to the edge 1 by the fixing glue 9.
In addition, the bottom of the module profile 4 is supported and fixed by the back plate 8, and the bottom of the module profile 4 is protruded along the edge covering 1 direction arranged along the side edge and forms a second convex angle 43, so that a cavity structure for accommodating the PCB 6 is formed between the module profile 4 and the edge covering 1.
Specifically, in this embodiment, one end of the PCB 6 abuts against the edge 1, and the other end is clamped in the second groove 44 formed in the second convex corner 43. A layer of mylar film 7 is coated on the PCB 6, and the PCB 6 is further fixedly connected with the module section bar 4 and the edge 1 through a fixing adhesive 9.
In order to further reduce the light leakage, the bottom of the module section bar 4 protrudes towards the edge covering 1 direction to form a second convex angle 43, a space is provided for installing the PCB 6, one end of the PCB 6 is limited in a second groove 44 of the module section bar 4, the other end of the module section bar is only in small part of direct contact with the edge covering 1 structure, the module section bar 4 is formed by stamping of an aluminum alloy material, the structural strength is high, the deformation is not easy to occur, the PCB 6 can hardly generate extrusion deformation on the edge covering 1 on the side, and the light leakage caused by dislocation of the edge covering 1 is reduced.
Example 3
Referring to fig. 5, the structure of the light leakage prevention spliced screen of the present embodiment is substantially the same as that of embodiment 2, except that: in this embodiment, the first flange 111 and the second flange 112 are distributed along the length direction of the joint seam formed by two adjacent pieces of liquid crystal glass 2 in a staggered manner.
Because the bordure 1 of this embodiment is extremely narrow structure, when two adjacent splice screens share a side and bordure, with first turn-ups 111 and second turn-ups 112 along the crisscross distribution of the length direction of the splice joint that two adjacent liquid crystal glazing 2 formed, can refer to fig. 6 specifically, promptly, every first turn-ups 111 and second turn-ups 112 interval in proper order set up, guarantee along the dispersion of the turn-ups 11 atress of splice both sides evenly distributed, first turn-ups 111 and second turn-ups 112 atress retrain each other and restrain the weighing apparatus, prevent to bordure 1 deformation because of the difference of both sides turn-ups 11 atress leads to, thereby further avoided bordure 1 position to take place the light leak phenomenon that the dislocation produced.
Preferably, with reference to fig. 7, in order to improve the pressing effect of the flange 1 on the liquid crystal glass 2, when two adjacent splicing screens share one side edge 1, in this embodiment, the first flange 111 and the second flange 112 located at the upper end and the lower end of the edge can be made wide appropriately, so as to improve the contact area between the flange 11 and the liquid crystal glass 2, so that the edge 1 is bent to form the flange 11 to provide a larger pressing force to the liquid crystal glass 2, so as to relieve the bearing pressure when two splicing screens share one edge 1, and improve the structural stability of the combined screen.
Of course, the length of the flange 11 of the widening portion can be reasonably selected according to the height of the spliced screen, so that the viewing experience of a user is not affected. Preferably, the turnup 11 in the middle of the spliced screen still keeps an extremely narrow structure so as to reduce the width of the spliced seam and prevent visual fatigue caused by too wide spliced seam.
This embodiment provides a leak protection light combination screen, can form by the combination of two piece at least leak protection light concatenation screens more, for example can form leak protection light combination screen by the concatenation about two concatenation screens to widen area of vision, promote the positive integration of combination screen and present the effect, be applicable to the place that the number is more, the space is great.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a leak protection light concatenation screen which characterized in that: the liquid crystal display panel comprises liquid crystal glass (2), a diffusion plate (3) and a module section bar (4) used for bearing the diffusion plate (3) and arranged at the bottom of the diffusion plate, one end of the module section bar (4) extends to the bottom of the liquid crystal glass (2) and forms a first convex angle (41), the diffusion plate (3) is abutted against the first convex angle (41), a wrapping edge (1) is further arranged on the side edge of the module section bar (4), the wrapping edge (1) extends to the surface of the liquid crystal glass (2) and forms a flanging (11), and the liquid crystal glass (2) is pressed and fixed through the flanging (11) and the first convex angle (41).
2. The light leakage prevention spliced screen as claimed in claim 1, wherein: the first convex angle (41) is provided with a first groove (42), and a rubber strip (5) used for limiting the sliding of the liquid crystal glass (2) is arranged in the first groove (42).
3. The light leakage prevention spliced screen as claimed in claim 1, wherein: the flanging (11) comprises a first flanging (111) and a second flanging (112), wherein the first flanging (111) and the second flanging (112) are arranged at the same end of the edge (1) and are reversely arranged to fix two adjacent pieces of liquid crystal glass (2).
4. The light leakage prevention spliced screen as claimed in claim 3, wherein: the first flanging (111) and the second flanging (112) are distributed in a staggered mode along the length direction of a splicing seam formed by two adjacent liquid crystal glasses (2).
5. The light leakage prevention spliced screen as claimed in claim 3, wherein: the width of the flanging (11) is not larger than the width of the first convex angle (41).
6. The light leakage prevention spliced screen as claimed in claim 1, wherein: the bottom of the module section bar (4) is supported and fixed by a back plate (8), and the bottom of the module section bar (4) is convexly arranged along the direction of a covered edge (1) arranged on the side edge and forms a second convex angle (43), so that a cavity structure for accommodating a PCB (6) is formed between the module section bar (4) and the covered edge (1).
7. The light leakage prevention spliced screen as claimed in claim 6, wherein: one end of the PCB (6) is abutted against the wrapping edge (1), and the other end of the PCB is clamped in a second groove (44) formed in the second convex angle (43).
8. The light leakage prevention spliced screen as claimed in claim 1, wherein: the liquid crystal glass (2) and the module section bar (4) are both adhered and fixed with the edge covering (1) through fixing glue (9).
9. The light leakage prevention spliced screen as claimed in any one of claims 1 to 8, wherein: the edge covering (1) and the module section bar (4) are made of aluminum alloy materials, and the edge covering (1) extends to a turned edge (11) formed on the surface of the liquid crystal glass (2) and is set to be in arc-shaped angle transition.
10. The utility model provides a leak protection light combination screen which characterized in that: the light leakage prevention spliced screen comprises at least two light leakage prevention spliced screens as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326061.2A CN111399276A (en) | 2020-04-23 | 2020-04-23 | Light leakage prevention spliced screen and combined screen thereof |
| PCT/CN2020/109406 WO2021212705A1 (en) | 2020-04-23 | 2020-08-15 | Light leakage prevention tiling screen, and combined screen thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010326061.2A CN111399276A (en) | 2020-04-23 | 2020-04-23 | Light leakage prevention spliced screen and combined screen thereof |
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| CN111399276A true CN111399276A (en) | 2020-07-10 |
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| CN202010326061.2A Pending CN111399276A (en) | 2020-04-23 | 2020-04-23 | Light leakage prevention spliced screen and combined screen thereof |
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| WO (1) | WO2021212705A1 (en) |
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| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN113467124A (en) * | 2021-07-05 | 2021-10-01 | 江苏欧帝电子科技有限公司 | Spliced screen and preparation process thereof |
| WO2021212705A1 (en) * | 2020-04-23 | 2021-10-28 | 江苏欧帝电子科技有限公司 | Light leakage prevention tiling screen, and combined screen thereof |
| CN114267244A (en) * | 2021-12-13 | 2022-04-01 | 重庆惠科金渝光电科技有限公司 | Sub-display screen, spliced screen and display device |
| CN115440170A (en) * | 2022-09-28 | 2022-12-06 | 深圳市瀚达美电子有限公司 | Multi-connection control system of multi-connection vehicle-mounted backlight |
| CN114267244B (en) * | 2021-12-13 | 2024-06-11 | 重庆惠科金渝光电科技有限公司 | Sub-display screen, spliced screen and display device |
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| CN114495730B (en) * | 2022-01-28 | 2023-04-28 | 苏州视尚智能电子有限公司 | Pressing mechanism of electric liquid crystal spliced screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040046873A (en) * | 2002-11-28 | 2004-06-05 | 엘지.필립스 엘시디 주식회사 | Gate pcbless liquid crystal display device |
| TWI513311B (en) * | 2011-05-05 | 2015-12-11 | Au Optronics Corp | Display and display assembly |
| CN105093628A (en) * | 2015-08-21 | 2015-11-25 | 京东方科技集团股份有限公司 | Splicing type display screen and assembling method thereof |
| KR20170039028A (en) * | 2015-09-30 | 2017-04-10 | 삼성디스플레이 주식회사 | Display apparatus and did display device including a plurality of the display apparatue |
| CN205157920U (en) * | 2015-10-26 | 2016-04-13 | 四川长虹电器股份有限公司 | LCD TV module |
| KR102529717B1 (en) * | 2016-04-29 | 2023-05-04 | 엘지디스플레이 주식회사 | display device |
| KR102502412B1 (en) * | 2016-05-09 | 2023-02-23 | 삼성디스플레이 주식회사 | Display apparatus and tiled display device including the same |
| CN107742480A (en) * | 2017-10-30 | 2018-02-27 | 武汉华星光电技术有限公司 | Splicing display device |
| CN108230915B (en) * | 2018-03-22 | 2020-10-09 | 惠州市华星光电技术有限公司 | LCD screen splicing module |
| CN111399276A (en) * | 2020-04-23 | 2020-07-10 | 江苏欧帝电子科技有限公司 | Light leakage prevention spliced screen and combined screen thereof |
-
2020
- 2020-04-23 CN CN202010326061.2A patent/CN111399276A/en active Pending
- 2020-08-15 WO PCT/CN2020/109406 patent/WO2021212705A1/en active Application Filing
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| WO2021212705A1 (en) * | 2020-04-23 | 2021-10-28 | 江苏欧帝电子科技有限公司 | Light leakage prevention tiling screen, and combined screen thereof |
| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN113467124A (en) * | 2021-07-05 | 2021-10-01 | 江苏欧帝电子科技有限公司 | Spliced screen and preparation process thereof |
| CN114267244A (en) * | 2021-12-13 | 2022-04-01 | 重庆惠科金渝光电科技有限公司 | Sub-display screen, spliced screen and display device |
| CN114267244B (en) * | 2021-12-13 | 2024-06-11 | 重庆惠科金渝光电科技有限公司 | Sub-display screen, spliced screen and display device |
| CN115440170A (en) * | 2022-09-28 | 2022-12-06 | 深圳市瀚达美电子有限公司 | Multi-connection control system of multi-connection vehicle-mounted backlight |
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