CN113446469A - Display screen splicing device and spliced screen - Google Patents

Display screen splicing device and spliced screen Download PDF

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Publication number
CN113446469A
CN113446469A CN202010521582.3A CN202010521582A CN113446469A CN 113446469 A CN113446469 A CN 113446469A CN 202010521582 A CN202010521582 A CN 202010521582A CN 113446469 A CN113446469 A CN 113446469A
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CN
China
Prior art keywords
plate
support plate
supporting plate
display screen
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010521582.3A
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Chinese (zh)
Other versions
CN113446469B (en
Inventor
袁盼
龚立伟
张国建
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Chongqing Kangjia Photoelectric Technology Research Institute Co Ltd
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Chongqing Kangjia Photoelectric Technology Research Institute Co Ltd
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Priority to CN202010521582.3A priority Critical patent/CN113446469B/en
Publication of CN113446469A publication Critical patent/CN113446469A/en
Application granted granted Critical
Publication of CN113446469B publication Critical patent/CN113446469B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0225—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0233—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment perpendicular to the plane of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0266—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Multimedia (AREA)

Abstract

The invention relates to a display screen splicing device and a spliced screen. Display screen splicing apparatus includes: the display screen support device comprises a first support plate, a second support plate and a fixing device, wherein the first support plate is used for fixing a display screen; a second support plate; the first connecting assembly is used for connecting the first supporting plate with the second supporting plate and adjusting a plane angle between planes of the first supporting plate and the second supporting plate. In the display screen splicing device, the plane angle between the plane where the first supporting plate is located and the plane where the second supporting plate is located is adjusted through the first connecting assembly, so that the effect that the plane where the first supporting plate is located is parallel to the plane where the preset spliced screen is located is achieved.

Description

Display screen splicing device and spliced screen
Technical Field
The invention relates to the technical field of display screens, in particular to a display screen splicing device and a spliced screen.
Background
Micro LED (Micro light emitting diode) is used as a new generation display technology, inherits the characteristics of high efficiency, high brightness, high reliability, quick response time and the like of inorganic LED (light emitting diode), has the characteristic of self luminescence without a backlight source, has the advantages of energy conservation, simple mechanism, small volume, thinness and the like, and has the advantages of higher brightness, better luminous efficiency and lower power consumption compared with the prior OLED (organic light emitting diode) technology.
Currently, Micro LEDs are mainly made into small-sized display screens, and it is not possible to directly make a piece of 8K or larger display screen due to production process limitations. At present, a large-size display screen is generally realized by splicing a plurality of Micro LEDs. However, in the existing display screen splicing structure, the inclination adjustment of the display screen cannot be realized.
Therefore, how to realize the inclination adjustment of the display screen is an urgent problem to be solved.
Disclosure of Invention
In view of the not enough of above-mentioned prior art, the aim at of this application provides a display screen splicing apparatus and concatenation screen, aims at solving among the current display screen mosaic structure, can't realize the problem of the slope regulation of display screen.
A display screen splicing device, comprising:
the display screen support device comprises a first support plate, a second support plate and a fixing device, wherein the first support plate is used for fixing a display screen;
a second support plate;
the first connecting assembly is used for connecting the first supporting plate with the second supporting plate and adjusting a plane angle between a plane where the first supporting plate is located and a plane where the second supporting plate is located.
In the display screen splicing device, the plane angle between the plane where the first supporting plate is located and the plane where the second supporting plate is located is adjusted through the first connecting assembly, so that the effect that the plane where the first supporting plate is located is parallel to the plane where the preset spliced screen is located is achieved.
Optionally, the display screen splicing apparatus further includes:
a third support plate;
the second connecting assembly is used for connecting the second supporting plate and the third supporting plate and controlling the second supporting plate to perform plane motion relative to the third supporting plate.
Optionally, the display screen splicing apparatus further includes:
a fourth support plate;
and the third connecting assembly is used for connecting the third supporting plate and the fourth supporting plate and controlling the third supporting plate to perform plane motion relative to the fourth supporting plate.
Optionally, the display screen splicing apparatus, wherein the first connecting component includes:
a first through hole provided on the second support plate;
one end of the first screw is connected with the first supporting plate through the first through hole;
the nut is connected with the other end of the first screw;
an elastic member disposed between the first support plate and the second support plate;
wherein, the quantity of first through-hole, first screw and nut all is 3 at least.
Optionally, the display screen splicing apparatus, wherein the second connecting assembly includes:
the first connecting plate is vertically arranged on the side edge of the second supporting plate;
the second connecting plate is vertically arranged on the side edge of the third supporting plate;
a second through hole provided on the first connection plate;
and the second screw is connected with the first connecting plate through the second through hole.
Optionally, the display screen splicing apparatus, wherein the third connecting assembly includes:
the third connecting plate is vertically arranged on the side edge of the third supporting plate;
the fourth connecting plate is vertically arranged on the side edge of the fourth supporting plate;
the third through hole is formed in the third connecting plate;
and the third screw is connected with the fourth connecting plate through the third through hole.
Optionally, the display screen splicing apparatus further includes: the sliding groove is arranged on one surface, far away from the first supporting plate, of the second supporting plate, and the straight line where the sliding groove is located is parallel to the straight line where the second screw is located.
Optionally, the display screen splicing apparatus further includes: the sliding rail is arranged on one surface, close to the first supporting plate, of the third supporting plate and used for being matched with the sliding groove.
Optionally, the display screen splicing apparatus, wherein the diameter of the first through hole is 2mm larger than the diameter of the first screw.
Optionally, the display screen splicing apparatus further includes:
a locking screw hole provided on the second support plate;
the locking screw, the one end of locking screw pass through the locking screw hole with first backup pad threaded connection, the other end of locking screw is provided with hexagon socket head cap nut.
Optionally, the display screen splicing apparatus further includes:
a first fixing screw hole provided on the third support plate;
the first fixing screw, the one end of first fixing screw is passed through first fixing screw hole with second backup pad threaded connection, the other end of first fixing screw is provided with hexagon socket head cap nut.
Optionally, the display screen splicing apparatus further includes:
a second fixing screw hole provided on the fourth support plate;
the second fixed screw, the one end of second fixed screw is passed through the second fixed screw hole with third backup pad threaded connection, the other end of second fixed screw is provided with hexagon socket head cap nut.
Optionally, the display screen splicing device, wherein the second supporting plate is a rectangular supporting plate; the quantity of first through-hole is 4, and 4 first through-hole sets up respectively in four corners of second backup pad.
Optionally, the display screen splicing apparatus, wherein the third supporting plate is a rectangular supporting plate, and two adjacent sides of the third supporting plate are respectively connected to the second connecting assembly and the third connecting assembly.
Optionally, the display screen splicing device, wherein the number of the third screws is at least 2.
Based on the same inventive concept, the application also provides a spliced screen, which is characterized by comprising the display screen splicing device.
Among the above-mentioned concatenation screen, adjust each display screen through display screen splicing apparatus, can realize seamless concatenation.
Drawings
Fig. 1 is a schematic structural diagram of a first support plate according to the present invention;
FIG. 2 is a schematic structural view of the second supporting plate and the first connecting plate according to the present invention;
FIG. 3 is a schematic structural view of a third supporting plate, a second connecting plate and a third connecting plate according to the present invention;
FIG. 4 is a schematic structural view of a third supporting plate and a third connecting plate according to the present invention;
FIG. 5 is a schematic structural view of a fourth supporting plate and a fourth connecting plate according to the present invention;
FIG. 6 is a schematic view of a second connecting assembly of the present invention;
FIG. 7 is a schematic structural view of the display screen and the first support plate after being assembled according to the present invention;
FIG. 8 is a schematic view of the assembled second support plate of the present invention;
FIG. 9 is a schematic view of the third support plate of the present invention after assembly;
fig. 10 is a schematic structural diagram of the spliced screen according to the present invention.
Fig. 11 is a schematic view of a partial structure of the spliced screen according to the present invention.
Description of reference numerals:
101-a first support plate; 102-a hollowed-out area; 201-a second support plate; 202-a first connection board; 203-second screw; 204-a first screw; 205-a screw cap; 206-a resilient member; 207-a slide rail; 208-a locking screw; 301-a third support plate; 302-a second connection plate; 303-a third connecting plate; 304-third screw; 305-a chute; 306-a first set screw; 401-a fourth support plate; 402-a fourth connecting plate; 403-second set screw; 5-display screen.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In the present invention, the X direction is a direction parallel to the plane of the predetermined splicing screen or the first support plate 101; the Y direction is a direction which is perpendicular to the X direction and is parallel to the plane of the preset spliced screen or the first supporting plate 101; the Z-direction is the direction perpendicular to the plane of the intended mosaic screen or first support plate 101. As can be seen, the X direction, the Y direction and the Z direction are mutually vertical in pairs.
In the process of mass transfer for preparing Micro LEDs, the transfer yield is required to be improved to 99.9999%, and the precision of each chip must be controlled within plus or minus 0.5 mu m. Due to the limitation of a huge transfer technology in the process of preparing the Micro LED and the ultrahigh requirement of the Micro LED on yield, the current Micro LED is mainly a small-size display screen and is unlikely to be directly made into a display screen of 8K or more. Moreover, the existing display screen splicing structure can only be mainly used for adjusting in the X direction and the Y direction, or only is a mechanism with a locking function, and a splicing mechanism for adjusting the inclination of a single screen in the Z direction is not available.
Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.
Referring to fig. 1, fig. 2 and fig. 10, a display screen splicing apparatus according to the present invention is described in detail, which includes:
the display screen support device comprises a first support plate 101, wherein the first support plate 101 is used for fixing a display screen;
a second support plate 201;
a first connection assembly for connecting the first support plate 101 and the second support plate 201 and for adjusting a plane angle between a plane in which the first support plate 101 is located and the plane in which the second support plate 201 is located.
In the display screen splicing device, the first connecting assembly is used for adjusting the plane angle between the plane where the first supporting plate 101 is located and the plane where the second supporting plate 201 is located, that is, the first connecting assembly is used for obliquely adjusting the first supporting plate 101, so that the effect that the plane where the first supporting plate 101 is located is parallel to the plane where the predetermined spliced screen is located is achieved.
In one embodiment of the present invention, the first connection assembly includes:
a first through hole provided on the second support plate 201;
a first screw 204, wherein one end of the first screw 204 is connected with the first support plate 101 through the first through hole;
the nut 205 is in threaded connection with the other end of the first screw 204;
an elastic member 206, the elastic member 206 being disposed between the first support plate 101 and the second support plate 201.
That is, the display screen splicing apparatus includes:
the display screen support device comprises a first support plate 101, wherein the first support plate 101 is used for fixing a display screen;
second backup pad 201, first through-hole, first screw 204, nut 205, elastic component 206, wherein first through-hole sets up on the second backup pad 201, the one end of first screw 204 is passed through first through-hole with first backup pad 101 is connected, the other end of first screw 204 with nut 205 threaded connection, elastic component 206 sets up first backup pad 101 with between the second backup pad 201.
In the display screen splicing device, the nut 205 is rotated and the elastic force provided by the elastic member 206 is combined to drive the second support plate 201 to move along the direction of the screw, so that the continuous high-precision adjustment of the distance between the first support plate 101 and the second support plate 201 is realized. Therefore, the display screen splicing device provided by the invention realizes high-precision adjustment in the Z direction.
The first support plate 101 is used for fixing a display screen (a single screen or a display panel) in the present invention. Specifically, the display screen may be fixed on the first support plate 101 by using a double-sided thermal adhesive tape and aligning Mark 24. In one embodiment of the present invention, the first support plate 101 is a rectangular first support plate 101.
In one embodiment of the present invention, in the connection between one end of the first screw 204 and the first support plate 101 through the first through hole, specifically, one end of the first screw 204 is fixedly connected to the first support plate 101 by adhesion.
In one embodiment of the present invention, the first support plate 101 further includes a first screw hole disposed on the first support plate 101, and the first screw hole is used for connecting with a first screw 204; the first screw hole is a blind hole screw hole. In other words, the first screw hole is not a through hole, so as to prevent the first screw 204 from passing through the screw hole and touching the display screen back plate fixed on the first support plate 101 during the display screen splicing process, thereby causing damage to the display screen.
In one embodiment of the present invention, the elastic member 206 is a spring. Optionally, the spring nests on the first screw 204. In the splicing adjustment process, the spring is right the first supporting plate 101 with the second supporting plate 201 provides elasticity from inside to outside, and through twisting nut 205 realizes relative motion between first supporting plate 101 with the second supporting plate 201.
In one embodiment of the present invention, a hollow area 102 is disposed in the middle of the first support plate 101. The blank area of the first supporting plate 101, on which no part is required to be disposed, is hollowed out, so that the weight of the first supporting plate 101 can be reduced.
In one embodiment of the present invention, the second support plate 201 has the same shape and size as the first support plate 101. Optionally, the first support plate 101 and the second support plate 201 are both rectangular in shape, and the first support plate 101 and the second support plate 201 have the same length and width.
In the present invention, the first through hole, the first screw 204 and the nut 205 are used in cooperation to realize the movable connection between the first support plate 101 and the second support plate 201. The distance between the first support plate 101 and the second support plate 201 is changed by screwing the nut 205, even if the first support plate 101 and the second support plate 201 perform relative movement in the direction of the line of the first screw 204. It can be seen that the direction of the first screw 204 is also the Z direction. Further, the pitch of the threads on the first screw 204 and the nut 205 is changed as required by the actual adjustment accuracy.
The number of the first through holes, the number of the first screws 204 and the number of the nuts 205 may be the same or different. In an embodiment of the present invention, in the display screen splicing apparatus, the number of the first through holes, the first screws 204, and the nuts 205 is at least 3, so as to adjust a plane angle between a plane where the first support plate 101 is located and a plane where the second support plate 201 is located, so as to achieve a purpose that the plane where the first support plate 101 is located is parallel to a plane where a predetermined spliced screen is located, that is, to achieve an inclination correction of the display screen. When the number of the first through holes, the first screws 204, and the nuts 205 is at least 3, and 3 of the first through holes are not on the same straight line, a plane is determined based on three points that are not on the same straight line, and tilt correction (tilt adjustment) between the first support plate 101 and the second support plate 201 can be achieved. Specifically, three nuts 205 corresponding to three first through holes, which are not on the same straight line, are screwed, and other nuts 205 are adapted to be screwed, so that the distance between different positions of the first support plate 101 and the second support plate 201 is changed, and therefore inclination correction in the splicing process is achieved.
The number of the first through holes, the first screws 204 and the nuts 205 is not too large, otherwise the adjustment in the Z direction or the adjustment in the tilt direction is too cumbersome. In one implementation of the present invention, the number of the first through holes, the number of the first screws 204, and the number of the nuts 205 are all 4. For example, the number of the through holes is 4, and 4 first through holes are not on the same straight line. For another example, 4 first through holes are correspondingly disposed at four corners of the rectangular second supporting plate 201.
In the invention, the diameter of the first through hole of the second support plate 201 is slightly larger than that of the first screw 204, and the first through hole is not in threaded fit with the first screw 204, so that the first screw 204 is prevented from being clamped by the second support plate 201 in the inclination correction process. The larger the size of the first through hole is, the larger the Z-direction inclination correction adjustable angle is. In one embodiment of the invention, the size of the first through hole can be specifically calculated according to the accumulated thickness tolerance of each component in the Z direction in the splicing and assembling process, and the calculation result is that the inclination angle is less than 1 degree; optionally, the distance between the first support plate 101 and the second support plate 201 is 23mm, and the first through hole is designed to be 1mm larger than the first screw 204 on one side (the first through hole is 2mm larger than the first screw 204), so that the inclination adjustable angle is 2.5 °, and the inclination correction adjustment which may be generated in the Z direction is completely satisfied.
In one embodiment of the present invention, the first screw 204 is a non-nut internal hexagonal screw to allow direct use of the socket to screw the nut 205.
In an embodiment of the present invention, the display screen splicing apparatus further includes: a locking screw hole provided on the second support plate 201; and a locking screw 208, one end of the locking screw 208 being screwed with the first support plate 101 through the locking screw hole. That is, the first support plate 101 and the second support plate 201 are connected by a locking screw 208. The locking screw 208 is used for locking the position of the first support plate 101 when being matched with the first support plate 101. The locking screw 208 is only threadedly engaged with the second support plate 201 and is not threadedly engaged with the first support plate 101. In addition, the principle that three points not on the same straight line identify one plane, three or more locking screws 208 may be provided. Optionally, the other end of the locking screw 208 is provided with an inner hexagonal nut, and the diameter of the inner hexagonal nut on the locking screw is larger than the diameter of the locking screw hole.
Referring to fig. 2, fig. 3 and fig. 10, in an embodiment of the present invention, the display screen splicing apparatus further includes:
a third support plate 301;
a second connecting assembly, which is used to connect the second supporting plate 201 and the third supporting plate 301, and is used to control the second supporting plate 201 to perform a planar motion relative to the third supporting plate 301.
The planar motion refers to the motion that the distance between any point on the rigid body and a certain fixed plane is always kept unchanged. Points on the plane motion rigid body all move in a plane parallel to a fixed plane.
According to the invention, the second connecting component is used for controlling the second supporting plate 201 to perform plane motion relative to the third supporting plate 301, and the X-direction adjusting and correcting device can be particularly used for realizing X-direction adjusting and correcting in the splicing process. Moreover, the second connecting component does not affect the position relationship between the first supporting plate 101 and the second supporting plate 201, and the situation of repeated rework in the adjusting and correcting process is avoided.
In an embodiment of the present invention, the display screen splicing apparatus, wherein the second connecting assembly includes:
a first connecting plate 202, wherein the first connecting plate 202 is vertically arranged on the side edge of the second supporting plate 201;
a second connection plate 302, the second connection plate 302 being vertically disposed on a side of the third support plate 301;
a second screw 203, wherein the second screw 203 is threaded through the second connecting plate 302 and is connected with the first connecting plate 202.
That is, the display screen splicing apparatus further includes:
a third support plate 301;
a first connecting plate 202, wherein the first connecting plate 202 is vertically arranged on the side edge of the second supporting plate 201;
a second connecting plate 302, wherein the second connecting plate 302 is vertically disposed on the side of the third supporting plate 301, and the second connecting plate 302 is connected to the first connecting plate 202 through a second screw 203.
According to the invention, the second connecting plate 302 is connected with the first connecting plate 202 through the second screw 203, when the second screw 203 is screwed, the second connecting plate 302 and the first connecting plate 202 perform translational motion along the direction of the second screw 203, so that the distance between the first connecting plate 202 and the second connecting plate 302 is adjusted, and further the second supporting plate 201 and the third supporting plate 301 which are respectively connected with the first connecting plate 202 and the second connecting plate 302 are driven to perform relative motion. It can be seen. The direction X can also be considered as the direction along the line of the second screw 203.
Moreover, in the present invention, the Z direction is realized by adjusting the first support plate 101 and the second support plate 201, and the X direction is realized by adjusting the second support plate 201 and the third support plate 301, and it can be seen that the correction in the Z direction and the X direction is relatively independent. After the Z-direction correction is finished, the previous Z-direction correction cannot be influenced when the X-direction correction is carried out, so that the condition of repeated rework is avoided.
In one embodiment of the present invention, the first connection plate 202 and the second connection plate 302 are fixed to the second support plate 201 and the third support plate 301, respectively, by screws. The first connecting plate 202 and the second connecting plate 302 are both in the shape of a plate, and the planes of the first connecting plate and the second connecting plate are parallel to each other.
In an embodiment of the present invention, the number of the first connection plates 202, the number of the second connection plates 302, and the number of the second screws 203 are the same, and the number of the first connection plates 202 and the number of the second connection plates 302 may be one or more. When the number of the second screws 203 is plural, the directions of the straight lines where the plural second screws 203 are located should be arranged in parallel.
In an embodiment of the present invention, a second through hole or a first U-shaped slot is disposed on the first connecting plate 202, a second screw hole is disposed on the second connecting plate 302, and one end of the second screw 203 is in threaded connection with the second screw hole on the second connecting plate 302 through the second through hole or the first U-shaped slot on the first connecting plate 202. The distance between the first connecting plate 202 and the second connecting plate 302 can be adjusted by screwing the second screw 203, so that the second supporting plate 201 and the third supporting plate 301 are driven to perform parallel motion, and the distance in the X direction of the display screen can be adjusted.
In one embodiment of the present invention, the second support plate 201 further comprises a sliding slot 305, the sliding slot 305 is disposed on the front surface of the second support plate 201; the third support plate 301 comprises a slide rail 207, the slide rail 207 is disposed on the opposite side of the third support plate 301, wherein the slide rail 207 is engaged with the slide groove 305. The front and back surfaces of the second support plate 201 are specifically determined according to the distance from the surface to the display screen or the first support plate 101, and if the distance from the surface is far, the front surface is defined, and if the distance from the surface is near, the back surface is defined. The front and back surfaces of the third and fourth support plates 301 and 401 are defined the same as the front and back surfaces of the second support plate 201.
It can be seen that the direction of the straight line of the slide rail 207 and the slide groove 305 should be the same as the direction of the straight line of the second screw 203. In the process of performing X-direction correction in actual display splicing, the slide rail 207 slides in the slide groove 305, and has a certain guiding effect on X-direction correction.
In an embodiment of the present invention, the third supporting plate 301 further includes a first fixing screw hole and a first fixing screw 306, and the first fixing screw 306 fixes the relative position of the third supporting plate 301 and the second supporting plate 201 through the first fixing screw hole. Optionally, one end of the first fixing screw 306 is connected to the second supporting plate 201 through the first fixing screw hole, the other end of the first fixing screw 306 is provided with an inner hexagonal nut, and the diameter of the inner hexagonal nut on the first fixing screw is larger than that of the first fixing screw hole. Optionally, the number of the first fixing screw holes and the number of the first fixing screws 306 are 4, the third support plate 301 is a rectangular support plate, and the 4 first fixing screw holes are respectively disposed at the corners of the third support plate 301. The first fixing screw hole is a raceway hole so that the second support plate 201 and the third support plate 301 can relatively move when the first fixing screw 306 is in a loosened state. Optionally, the second supporting plate 201 is in threaded connection with the first fixing screw 306, and the first fixing screw hole and the first fixing screw 306 reserve a gap for X-direction correction, for example, in the X-direction, a gap of 5mm is reserved between the first fixing screw hole and the first fixing screw.
In an embodiment of the present invention, the third support plate 301 and the second support plate 201 are both rectangular support plates, and the size of the third support plate 301 is smaller than that of the second support plate 201, so that the third support plate is convenient to mount and adjust.
Referring to fig. 3, fig. 4 and fig. 5, in an embodiment of the present invention, the display screen splicing apparatus further includes:
a fourth support plate 401;
a third connecting assembly, configured to connect the third support plate 301 and the fourth support plate 401, and control the third support plate 301 to perform a planar motion relative to the fourth support plate 401.
According to the invention, the third connecting component is used for controlling the third supporting plate 301 to perform plane motion relative to the fourth supporting plate 401, and the Y-direction adjusting and correcting device can be specifically used for realizing Y-direction adjusting and correcting in the splicing process. Moreover, the third connecting assembly does not affect the position relationship between the first support plate 101 and the second support plate 201, and the position relationship between the second support plate 201 and the third support plate 301, so that the situation of repeated rework in the adjusting and correcting process is avoided.
In one embodiment of the present invention, the third connecting assembly includes:
a third connecting plate 303, the third connecting plate 303 being vertically disposed on a side edge of the third support plate 301;
a fourth connecting plate 402, the fourth connecting plate 402 being vertically disposed on a side of the fourth support plate 401;
third screws 304, wherein the third screws 304 are threaded through the fourth connecting plate 402 and the third connecting plate 303.
That is to say, the display screen splicing device further comprises:
a fourth support plate 401;
a third connecting plate 303, the third connecting plate 303 being vertically disposed on a side edge of the third support plate 301;
a fourth connecting plate 402, the fourth connecting plate 402 is vertically disposed on the side of the fourth supporting plate 401, and the fourth connecting plate 402 is connected to the third connecting plate 303 through a third screw 304.
In the invention, the third connecting plate 303 and the fourth connecting plate 402 are connected by the third screw 304, and when the third screw 304 is screwed, the distance between the third connecting plate 303 and the fourth connecting plate 402 is adjusted, so as to drive the third supporting plate 301 and the fourth supporting plate 401 respectively connected with the third connecting plate 303 and the fourth connecting plate 402 to move relatively along the direction of the third screw 304.
In one embodiment of the invention, the fourth support plate 401 is comprised of a plurality of fourth support plate units periodically connected, one for each of the first support plate 101, the second support plate 201, and the third support plate 301. In an embodiment of the present invention, the third supporting plate 301 is a rectangular supporting plate, and the second connecting member and the third connecting member are respectively connected to two adjacent sides of the third supporting plate 301. Specifically, the third support plate 301 and the fourth support plate 401 are both rectangular support plates, and the second connection plate 302 and the third connection plate 303 are respectively disposed on adjacent sides of the third support plate 301. That is, the direction of the line on which the second screw 203 is located is perpendicular to the direction of the line on which the third screw 304 is located, and the direction along the line on which the third screw 304 is located is the Y direction. By screwing the third screw 304, the distance between the third support plate 301 and the fourth support plate 401 is adjusted, Y-direction correction in the splicing process is realized, mutual influence on adjustment of the second screw 203 and the third screw 304 is avoided under the condition that the straight lines of the second screw 203 and the third screw 304 are not perpendicular, and correction efficiency is improved.
In an embodiment of the present invention, a third through hole or a second U-shaped slot is disposed on the third connecting plate 303, a third screw hole is disposed on the fourth connecting plate 402, and one end of the third screw 304 is in threaded connection with the third screw hole on the fourth connecting plate 402 through the third through hole or the second U-shaped slot on the third connecting plate 303. The distance between the third connecting plate 303 and the fourth connecting plate 402 can be adjusted by screwing the third screw 304, so that the third supporting plate 301 and the fourth supporting plate 401 are driven to perform parallel motion, and the Y-direction distance of the display screen can be adjusted.
In the present invention, the Z direction is realized by adjusting the first support plate 101 and the second support plate 201, the X direction is realized by adjusting the second support plate 201 and the third support plate 301, and the Y direction is realized by adjusting the third support plate 301 and the fourth support plate 401, so that the corrections in the Z direction, the X direction and the Y direction are relatively independent. After the Z-direction and X-direction correction is finished, the previous Z-direction and X-direction correction cannot be influenced when the Y-direction correction is carried out, so that the condition of repeated rework is avoided.
The number of the third connecting plates 303, the number of the fourth connecting plates 402 and the number of the third screws 304 are the same, and the number of the third connecting plates 303 and the number of the fourth connecting plates 402 may be one or more. When the number of the third screws 304 is plural, the directions of the straight lines of the plural second screws 203 should be arranged in parallel.
Optionally, the number of the third screws 304 is 2. By screwing 2 third screws 304, the distance between different positions of the third connecting plate 303 and the fourth connecting plate 402 is changed, so that the third connecting plate 303 and the fourth connecting plate 402 are deflected, the fourth supporting plate 401 is driven to deflect relative to the third supporting plate 301, and the spliced rotation correction is realized.
And a gap for rotation correction is reserved between the third through hole and the fourth screw. The larger the clearance reserved by the third connecting plate 303 for the fourth screw in the X-direction and the Y-direction is, the larger the adjustable range of the rotation angle is. Gaps are reserved for the third screws 304 in the X direction and the Y direction of the third through holes in the third connecting plate 303, and the situation that the third screws 304 are clamped in the middle of the third connecting plate 303 when rotating is avoided. In an implementation manner of the present invention, according to the rotation that may occur between each support plate during the splicing process, as long as the first support plate is attached to the display panel by using a jig, the rotation angle that may occur is less than 1 ° (the unilateral rotation during the auxiliary attachment of the jig is within 0.3 °), the unilateral gap reserved for the fourth screw by the third support plate 301 in the X direction is 0.5mm, the unilateral gap reserved for the fourth screw in the Y direction is 0.4mm, and the rotation angle is adjustable by 3 ° as for example when the distance between the third connection plate 303 and the fourth connection plate 402 in the Y direction is 100mm, which completely satisfies the rotation angle correction that may occur during the splicing process.
In an embodiment of the present invention, the fourth supporting plate 401 further includes a second fixing screw hole and a second fixing screw 403, and the second fixing screw 403 fixes a position of the fourth supporting plate 401 relative to the third supporting plate 301 through the second fixing screw hole. Optionally, one end of the second fixing screw 403 is connected to the third supporting plate 301 through the second fixing screw hole, the other end of the second fixing screw 403 is provided with an inner hexagonal nut, and the diameter of the inner hexagonal nut on the second fixing screw is larger than that of the second fixing screw hole. Optionally, the number of the second fixing screw holes and the number of the second fixing screws 403 in the fourth supporting plate unit are 3, and the 3 second fixing screw holes are not on the same line. The second fixing screw hole is a raceway hole so that the third support plate 301 and the fourth support plate 401 can relatively move when the second fixing screw 403 is in a loosened state. Optionally, the third supporting plate 301 is in threaded connection with the second fixing screw 403, a gap is reserved between the second fixing screw hole and the second fixing screw 403 for Y direction and rotation correction, for example, in Y direction and X direction, and a gap is reserved between the second fixing screw hole and the second fixing screw by 5 mm.
The invention provides a connecting assembly which comprises two connecting plates and a screw for connecting the two connecting plates and adjusting the distance between the two connecting plates. As shown in fig. 6, the second connecting assembly includes a first connecting plate 202, a second connecting plate 302, a second screw 203 for connecting the first connecting plate 202 and the second connecting plate 302 and adjusting the distance between the first connecting plate 202 and the second connecting plate 302. The second connecting assembly and the third connecting assembly may be identical in structural composition, that is, the third connecting assembly includes a third connecting plate 303, a fourth connecting plate 402, a third screw 304 for connecting the third connecting plate 303 and the fourth connecting plate 402 and adjusting a distance between the third connecting plate 303 and the fourth connecting plate 402. In the second connecting assembly and the third connecting assembly, the second screw 203 and the third screw 304 can be fine-thread screws, that is, the screws can rotate 360 degrees by using the fine-thread screws, the distance is 0.35mm, the rotation of 10 degrees is used as a gear, and the position adjusting precision between the clamping grooves can reach 10 micrometers.
In an embodiment of the present invention, the second support plate, the third support plate, and the fourth support plate may be provided with holes or hollowed regions to facilitate screwing components including the locking screw 208, the first fixing screw 306, and the second fixing screw 403 through the holes or hollowed regions during the adjustment process.
Referring to fig. 10, the present invention further provides a tiled display screen, which includes the display screen tiling apparatus described above.
The spliced screen is a seamless spliced screen, and is obtained by splicing a plurality of Micro LEDs through the display screen splicing device.
The display screen splicing device mainly comprises four support plates, namely a first support plate 101, a second support plate 201, a third support plate 301 and a fourth support plate 401, wherein the fourth support plate 401 can be regarded as a reference plate for splicing a large screen, and any of the first support plate 101, the second support plate 201 and the third support plate 301 can be adjusted in high precision in X-direction, Y-direction, Z-direction, rotation and Z-direction inclination correction relative to the fourth plate.
The assembling method and the adjusting method of the display screen splicing device of the invention are explained in detail below.
This equipment of concatenation screen divides into four steps:
first step, as shown in fig. 7, fix first backup pad 101 and Micro LED display screen together earlier, these fixed mode between the two can use the heat conduction double faced adhesive tape to fix through counterpoint Mark24 (counterpoint sign, is the sign that uses laser direct sculpture on glass, can counterpoint when being convenient for attach first regulating plate to the display screen), use spacing tool to assist in the assembling process, ensure to assemble and target in place. The heat-conducting double-sided adhesive tape plays a role in increasing the overall strength of the Micro LED display screen (the display screen of the Micro LED generally only comprises one layer of glass, the Micro LED and a packaging adhesive layer, the thickness is small, the overall strength is low), and the heat dissipation of the Micro LED display screen can be facilitated by the heat-conducting double-sided adhesive tape.
And secondly, as shown in fig. 8, the first support plate 101 and the second support plate 201 are connected together by the first screw 204, the front end of the first screw 204 locked on the first support plate 101 is coated with black glue, after the black glue is hardened, the first screw 204 and the first support plate 101 cannot relatively rotate, so that the first screw 204 locked on the first support plate 101 cannot be driven to rotate together when the nut 205 (nut) is screwed subsequently, and it is necessary to pay attention that the locking screw 208 does not lock before the Z-direction and the tilt adjustment are completed.
Third, as shown in fig. 9, the second-step assembled unit is assembled to a third support plate, and a second screw 203 is installed between the first connection plate 202 and the second connection plate 302.
And a fourth step of assembling a plurality of (e.g., 2 to 20) third step units into a fourth supporting plate 401 as shown in fig. 10 and 11, and installing third screws 304 between the third connecting plate 303 and the fourth connecting plate 402.
The display screen splicing device can be used for correcting the X direction, the Y direction, the Z direction, the rotation and the inclination of a single screen in the Z direction. In the display screen splicing apparatus of the present invention, the tilt corrections of the X direction, the Y direction, the Z direction, the rotation and the single-chip screen in the Z direction are independent and do not affect each other, and the tilt adjustments of the X direction, the Y direction, the Z direction, the rotation and the display screen in the Z direction are all adjustments with respect to the final fourth support plate 401, based on which the fourth support plate 401 can be regarded as a reference, and all the support plates move with respect to the fourth support plate 401.
The display screen splicing device has the following specific adjustment modes:
first, the tilt adjustment in the Z direction and the Z direction is performed by the first support plate 101 and the second support plate 201, and since the elastic member 206 (spring) between the first support plate 101 and the second support plate 201 supports, the distance adjustment between the first support plate and the second support plate can be performed by screwing the nut 205 with a socket wrench. The distance adjustment in the Z direction can be realized by rotating the screw caps 205 at four corners, the screw cap 205 at one corner is not adjusted, the screw caps 205 at other three corners are adjusted, the inclination correction adjustment of the Micro LED display screen in the Z direction can be realized according to the principle that one plane is confirmed by three points on the same straight line, after the Z direction distance and the inclination correction adjustment are completed, the locking screw 208 is screwed, at the moment, the distance between the first supporting plate 101 and the second supporting plate 201 is limited by the locking screw 208, any relative movement can not be generated, and the Z direction distance and the inclination correction adjustment in the Z direction of the display screen can be adjusted as long as the locking screw 208 is loosened.
The adjustment in the X direction is realized through the second support plate 201 and the third support plate 301, the sliding groove 305 on the second support plate 201 is matched with the sliding rail 207 on the third support plate 301, and the movement between the second support plate 201 and the third support plate 301 in the X direction only along the sliding rail 207 is accurately realized. Meanwhile, in order to ensure that the X-direction movement occurs between the Micro LED display screen and the final reference fourth supporting plate 401, the second fixing screw 403 between the third supporting plate 301 and the fourth supporting plate 401 needs to be locked when the X-direction is adjusted, and the first fixing screw 306 between the second supporting plate 201 and the third supporting plate 301 needs to be loosened. Therefore, the first supporting plate 101 and the second supporting plate 201 are integrated, the third supporting plate 301 and the fourth supporting plate 401 are integrated, and the Micro LED display screen can accurately move in the X direction relative to the reference fourth supporting plate 401 by screwing the second screw 203.
The adjustment and rotation in the Y direction are realized by the third support plate 301 and the fourth support plate 401, and in order to ensure that the movement in the Y direction occurs between the Micro LED display screen and the final reference fourth support plate 401, the first fixing screw 306 between the second support plate 201 and the third support plate 301 needs to be locked when the Y direction is adjusted, and the second fixing screw 403 between the third support plate 301 and the fourth support plate 401 needs to be loosened. The first support plate 101, the second support plate 201 and the third support plate 301 form a whole, two third connection plates 303 with adjustable distances are arranged in the Y direction, and when two third screws 304 are synchronously screwed, the Y-direction distance adjustment of the Micro LED display screen relative to the reference fourth support plate 401 can be realized. When only one of the third screws 304 is screwed, the Micro LED display screen rotates relative to the reference fourth support plate 401 because the Y-direction distance between the other third screw 304 and the connection position of the third connection plate 303 and the fourth connection plate 402 is not changed.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims (10)

1. A display screen splicing device is characterized by comprising:
the display screen support device comprises a first support plate, a second support plate and a fixing device, wherein the first support plate is used for fixing a display screen;
a second support plate;
the first connecting assembly is used for connecting the first supporting plate with the second supporting plate and adjusting a plane angle between planes of the first supporting plate and the second supporting plate.
2. The display screen splicing apparatus of claim 1, further comprising:
a third support plate;
the second connecting assembly is used for connecting the second supporting plate and the third supporting plate and controlling the second supporting plate to perform plane motion relative to the third supporting plate.
3. The display screen splicing apparatus of claim 2, further comprising:
a fourth support plate;
and the third connecting assembly is used for connecting the third supporting plate and the fourth supporting plate and controlling the third supporting plate to perform plane motion relative to the fourth supporting plate.
4. The display screen splicing apparatus of claim 1, wherein the first connection assembly comprises:
a first through hole provided on the second support plate;
one end of the first screw is connected with the first supporting plate through the first through hole;
the nut is connected with the other end of the first screw;
an elastic member disposed between the first support plate and the second support plate;
wherein, the quantity of first through-hole, first screw and nut all is 3 at least.
5. The display screen splicing apparatus of claim 2, wherein the second connection assembly comprises:
the first connecting plate is vertically arranged on the side edge of the second supporting plate;
the second connecting plate is vertically arranged on the side edge of the third supporting plate;
a second through hole provided on the first connection plate;
and the second screw is connected with the second connecting plate through the second through hole.
6. The display screen splicing apparatus of claim 3, wherein the third connecting assembly comprises:
the third connecting plate is vertically arranged on the side edge of the third supporting plate;
the fourth connecting plate is vertically arranged on the side edge of the fourth supporting plate;
the third through hole is formed in the third connecting plate;
and the third screw is connected with the fourth connecting plate through the third through hole.
7. The display screen splicing apparatus of claim 4, wherein the second support plate is a rectangular support plate; the quantity of first through-hole is 4, and 4 first through-hole sets up respectively in four corners of second backup pad.
8. The display screen splicing device of claim 3, wherein the third supporting plate is a rectangular supporting plate, and two adjacent side edges of the third supporting plate are respectively connected with the second connecting assembly and the third connecting assembly.
9. The display screen splicing apparatus of claim 6, wherein the number of the third screws is at least 2.
10. A tiled screen comprising a display screen tiling apparatus according to any of claims 1-9.
CN202010521582.3A 2020-06-10 2020-06-10 Display screen splicing device and spliced screen Active CN113446469B (en)

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