CN113470545A - Composite display screen provided with COB light source - Google Patents

Composite display screen provided with COB light source Download PDF

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Publication number
CN113470545A
CN113470545A CN202110771387.0A CN202110771387A CN113470545A CN 113470545 A CN113470545 A CN 113470545A CN 202110771387 A CN202110771387 A CN 202110771387A CN 113470545 A CN113470545 A CN 113470545A
Authority
CN
China
Prior art keywords
display screen
light source
cob light
hole
connecting rod
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.)
Withdrawn
Application number
CN202110771387.0A
Other languages
Chinese (zh)
Inventor
成卓
罗立坚
曹宏卫
袁家兴
白燕林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Createled Electronics Co ltd
Original Assignee
Shenzhen Createled Electronics Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Createled Electronics Co ltd filed Critical Shenzhen Createled Electronics Co ltd
Priority to CN202110771387.0A priority Critical patent/CN113470545A/en
Publication of CN113470545A publication Critical patent/CN113470545A/en
Withdrawn legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • 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
    • 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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20127—Natural convection
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels

Abstract

The invention relates to a composite display screen for installing a COB light source, which comprises a display screen which adopts the COB light source as a backlight source and can be controlled by touch, and a support for detachably installing the display screen, wherein the back of the display screen is provided with a heat dissipation through hole, and the display screen is provided with an ambient light sensor and an infrared sensor; the display screen is also internally provided with a positive plate and an electrostatic generator, the electrostatic generator is connected with a metal filter screen adhered to the heat dissipation through hole, the back of the display screen is provided with male buttons at two adjacent sides, a female button capable of being matched and clamped with the male buttons is arranged at one end opposite to the male buttons, a digital television processing module and a communication connection module are arranged on a control circuit board of the display screen, and the display screen is also provided with a plurality of electric connection interfaces; the positions on the back of the display screen, which are close to the four corners, are fixedly provided with bosses, and the support is detachably connected with the bosses. The invention has the characteristics of good dust removal effect, easy assembly and various application scenes.

Description

Composite display screen provided with COB light source
Technical Field
The invention relates to the technical field of display screens, in particular to a composite display screen for installing a COB light source.
Background
With the development of mobile technology, many conventional electronic products begin to increase their mobile functions, such as watches that can only be used for watching time in the past, and nowadays, the technology of integrating a surface light source with high light efficiency on a mirror metal substrate with high light reflection rate by an intelligent hand eliminates the concept of a bracket, and processes such as electroless plating, reflow soldering and no surface mounting are not required, so that the processes are simplified or a home network is connected with the internet to display contents such as incoming call information, Twitter, news feeds and weather information.
COB light source is directly pasted on LED chip and is nearly one third less, and the cost has also practiced thrift one third. The COB light source can be simply understood as a high-power integrated surface light source, and the light emitting area and the overall dimension of the light source can be designed according to the product overall structure.
The display screen of current COB light source is inside easily to save the dust and makes the display screen internals easily ageing reduction display screen life, and the dust of saving also leads to the radiating effect variation easily, and the display screen can not assemble each other in addition, has very big restriction to the place of display screen installation, and the function is also more single.
Disclosure of Invention
Aiming at the existing defects, the invention provides a composite display screen for installing a COB light source.
The technical scheme adopted by the invention for solving the technical problems is as follows: a composite display screen for installing a COB light source comprises a display screen which adopts the COB light source as a backlight source and can be controlled in a touch mode, and a support for detachably installing the display screen, wherein a heat dissipation through hole is formed in the back of the display screen, and an ambient light sensor and an infrared sensor which are electrically connected with a control circuit board of the display screen are installed on the display screen; the display screen is characterized in that a positive plate is arranged on the back of a COB light source in parallel, a polar plate through hole is formed in the positive plate, an electrostatic generator is arranged under the positive plate, the electrostatic generator is connected with a metal filter screen adhered to the heat dissipation through hole, the positive plate and the electrostatic generator are both electrically connected with a control circuit board of the display screen, the back of the display screen is provided with male buckles in a sliding mode on two adjacent sides, a female buckle capable of being matched and clamped with the male buckles is arranged at one end opposite to the male buckles, bosses are fixedly arranged at positions, close to four corners, of the back of the display screen, a digital television processing module and a communication connection module are arranged on the control circuit board of the display screen, and a plurality of electric connection interfaces are further arranged on the display screen; the support includes base, first connecting rod, second connecting rod, mount pad, base central point puts and is equipped with spherical first recess, the outside extension of base lateral wall has the extension arm of cross structure, extension arm demountable installation is on the boss, the one end of first connecting rod is the spherical connector that the matching articulates in spherical first recess and can rotate at spherical first recess, the other end of first connecting rod and the one end of second connecting rod limit the pin joint mutually, the other end and the mount pad of second connecting rod are connected.
Preferably, a second groove is formed in the upper portion of the back of the display screen, and a projector is detachably and slidably arranged in the second groove.
Preferably, the left side and the right side of the back of the display screen are provided with circular through holes, rotating plates are embedded in the circular through holes in a detachable mode, and sound boxes are fixedly connected to the rotating plates.
Preferably, the male buckle comprises a sliding block, an n-type fixing piece and a positioning pin, wherein the sliding block is provided with a sliding groove on the surface, the n-type fixing piece is fixedly connected to the display screen, the positioning pin is used for positioning the sliding block, the sliding block is arranged in the fixing piece in a sliding mode, and the positioning pin is in threaded connection with the fixing piece and sequentially penetrates through the fixing piece and the sliding groove to be connected with the display screen; the female buckle is fixedly connected to the display screen and is provided with a part matched with the sliding block and clamped with the through hole.
Preferably, the boss is provided with a step or a clamping groove, and the extension arm is abutted against the step or in the clamping groove and detachably connected with the boss through a pin.
Preferably, the ambient light sensor and the infrared sensor are integrated into a unitary structure.
The beneficial effects of the invention are as follows: the invention utilizes the positive plate, the electrostatic generator and the metal filter screen which are arranged in the display screen, the electrostatic generator is connected with the positive plate and the metal filter screen, dust enters the display screen through the metal filter screen and is adsorbed by the positive plate, the dustproof effect is improved, internal parts can not be stained with dust for a long time, the service life of the display screen is prolonged, the heat dissipation effect is improved, the male buckle and the female buckle at the back of the display screen, the sliding arrangement of the male buckle, the plurality of electric connection interfaces and the detachable support enable the display screen to be assembled at will, not only can be used independently, but also a plurality of display screens can be assembled for use, simultaneously, the installation position of the display screen is not limited on a wall, and the display screen has more functions by controlling a plurality of modules on the circuit board, and can automatically adjust the brightness and start or close the display screen.
Drawings
FIG. 1 is a schematic structural view of the back side of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the front side of the embodiment of the present invention;
FIG. 3 is a schematic view of a positive plate connection structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of each module of the circuit board according to the embodiment of the present invention;
part names and serial numbers in the figure: 1-display screen 10-COB light source 11-heat dissipation through hole 12-control circuit board 13-positive plate 14-electrostatic generator 15-metal filter screen 16-boss 17-electric connection interface 120-digital television processing module 121-communication connection module 130-polar plate through hole 160-step 2-support 20-base 21-first connecting rod 22-second connecting rod 23-mounting seat 200-first groove 201-extension arm 3-ambient light sensor 4-infrared sensor 5-male buckle 50-sliding block 51-fixing piece 52-positioning pin 500-sliding groove 6-female buckle 60-clamping through hole 7-projector 70-second groove 8-sound 80-circular through hole 81-rotating plate.
Detailed Description
To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.
The embodiment of the invention is shown in fig. 1 to 4, a composite display screen for installing a COB light source, which comprises a display screen 1 which adopts a COB light source 10 as a backlight source and can be controlled by touch, and a bracket 2 for detachably installing the display screen 1, wherein the display screen 1 is a touch screen, the adopted light source is the COB light source 10, the bracket 3 is detachably installed on the display screen 1, the bracket 2 is installed on the display screen 1 when needed, and can be detached when not needed, so that the display screen 1 can adopt different application modes, the back of the display screen 1 is provided with a heat dissipation through hole 11, the heat dissipation through hole 11 is arranged at different positions on the back of the display screen 1 according to different use conditions, for example, any one side or more sides of the upper, lower, left and right four sides are arranged, and heat generated during the work of the display screen 1 can be dissipated as fast as possible through the heat dissipation through hole 11, ensuring that the application environment is in an environment with proper temperature, wherein the display screen 1 is provided with an ambient light sensor 3 and an infrared sensor 4 which are electrically connected with a control circuit board 12 of the display screen 1, the ambient light sensor 3 is used for sensing the light and shade degree of light in the use environment of the display screen 1 so as to transmit the sensed information to the control circuit board 12, the control circuit board 12 regulates and controls the display brightness of the display screen 1 after receiving corresponding information so as to adapt to the environment and further present clearer and softer picture display for people, the infrared sensor 4 can sense whether people exist in front of the display screen 1, if people do not exist after sensing the existence of people for a long time, the information is transmitted to the control circuit board 12, the control circuit board 12 closes the operation of the display screen 1 after receiving the information, and transmits the information to the control circuit board 12 after the infrared sensor 4 senses the existence of people, the control circuit board 12 starts the operation of the display screen 1, and for the sake of convenient installation and simple structure, the ambient light sensor 3 and the infrared sensor 4 are integrated into an integral structure, so that the integration is more convenient for installation, the sensors can be installed at any position of the display screen 1, and only the sensing probes of the sensors are required to face the front of the display screen 1, for example, the sensors are installed at any one of the four edges of the front of the display screen 1, or the sensors are movably installed on the side surface or the back surface of the display screen 1 and hidden, and the sensors are adjusted to the front when in use; the back parallel arrangement of 1 interior COB light source 10 of display screen has positive plate 13, and positive plate 13 and COB light source 10 are parallel arrangement in display screen 1 promptly, and the light source is at the front end, and positive plate 13 is at the rear end, be provided with polar plate through-hole 130 on positive plate 13 and be provided with electrostatic generator 14 under positive plate 13, electrostatic generator 14 is connected with metal filters 15 of pasting on heat dissipation through-hole 11, positive plate 13 and electrostatic generator 14 all with display screen 1's control scheme 12 electric connection, the dust of smuggleing secretly in 1 outer air of display screen can take the negative charge when getting into 1 inside of display screen, adsorb through positive plate 13 for 1 inside electrical components operating condition of display screen reaches the best, and the dust can not cover on the internal surface yet, has increased display screen 1's life, 1 back of display screen all establishes the cunning in adjacent both sides and is equipped with pin 5 and is provided with can with pin 5 phase-match block 5 with pin in the one end relative with pin 5 The female buckle 6 of the display screen 1 can be assembled and combined to form a large display screen, the male buckle 5 on one display screen is correspondingly clamped and fixed on the female buckle 6 of another display screen 1 during assembly, and the male buckle is connected in sequence, the positions of the back of the display screen 1, which are close to four corners, are fixedly provided with the bosses 16, the bosses 16 are used for installing the bracket 2 on the display screen 1 and installing the bracket 2 on the positions of the back of the display screen 1, which are close to four corners, so that the position of the display screen 1 on the bracket 2 is more stable, the control circuit board 12 of the display screen 1 is provided with the digital television processing module 120 and the communication connection module 121, the display screen 1 is also provided with a plurality of electric connection interfaces 17, and the digital television processing module 120 enables the display screen 1 to receive and operate digital television signals, so that the display screen 1 can be used as a television, the communication connection module 121 can be provided with a wired communication connection unit and a wireless communication connection unit at the same time, the communication connection module 121 can be used for performing corresponding information interaction with an intelligent terminal and a remote control terminal, even through the communication connection with the mobile intelligent terminal, the information of the mobile intelligent terminal can be projected to the display screen 1, the display screen 1 is used for performing interaction with people, the electric connection interface 17 enables a plurality of display screens 1 to be assembled into a large display screen and then can be sequentially electrically connected and conducted, such as a USB interface, and meanwhile, other expansion devices, such as a microphone, a sound, a keyboard, a mouse and the like, can be connected to the display screen 1; at this time, for the stand 2, the stand 2 includes a base 20, a first link 21, a second link 22, and a mounting seat 23, the base 20 is provided with a spherical first recess 200 at a central position, the side wall of the base 20 extends outward to form an extension arm 201 in a cross-shaped structure, the extension arm 201 is detachably mounted on the boss 16, one end of the first link 21 is a spherical connector which is hinged in the spherical first recess 200 and can rotate in the spherical first recess 200, the first link 21 and the base 20 form a spherical hinge structure at the spherical first recess 200, so as to adjust a mounting angle when using a single display screen 1, the stand 2 is detachably connected to the display screen 1 through the connection of the extension arm 201 and the boss 16, the first link 21, the second link 22, and the mounting seat 23 are used to mount the display screen 1 at a place where mounting is needed and adjust the mounting angle, the other end of the first connecting rod 21 and one end of the second connecting rod 22 are pivoted in a limiting manner, so that the two connecting rods can be positioned at a certain angle after rotating relatively, different use requirements are met, the limiting can be realized by adopting any existing limiting structure, for example, the limiting at the hinged position is realized by meshing and fixing teeth, and the other end of the second connecting rod 22 is connected with the mounting seat 23.
In a further improvement, as shown in fig. 1, a second groove 70 is provided on an upper portion of a back surface of the display screen 1, the projector 7 is detachably and slidably provided in the second groove 70, so that the projector 7 is hidden in the second groove 70 when the projector 7 is not needed to be used, or the projector 7 is detached from the display screen 1, and the projector 7 is installed in the second groove 70 or pulled out of the second groove 70 when the projector 7 is needed to be used, and meanwhile, the projector 7 is electrically connected with the control circuit board 12 in the display screen 1 through a corresponding interface, and the projector 7 can be controlled by controlling the display screen 1.
In a further improvement, as shown in fig. 1, circular through holes 80 are provided on the left and right sides of the back surface of the display screen 1, a rotating plate 81 is detachably embedded in the circular through holes 80, the rotating plate 81 is fixedly connected with the speakers 8, the speakers 8 are also electrically connected with the control circuit board 12 of the display screen 1 through corresponding interfaces, and the speakers 8 are also hidden in the circular through holes 80 and are installed on the display screen 1 or pulled out of the circular through holes 80 according to whether the speakers 8 are needed.
In a further improvement, as shown in fig. 1, the male buckle 5 includes a sliding block 50 having a sliding groove 500 on a surface thereof, an n-type fixing member 51 fixedly connected to the display screen 1, and a positioning pin 52 for positioning the sliding block 50, the sliding block 50 is slidably disposed in the fixing member 51, the positioning pin 52 is screwed on the fixing member 51 and sequentially passes through the fixing member 51 and the sliding groove 500 to be connected to the display screen 1, and the sliding groove 500 is formed by a strip-shaped through hole disposed on the sliding block 50 and penetrating through upper and lower surfaces of the sliding block 50; the female buckle 6 is fixedly connected to the display screen 2 and provided with a part which is matched with the sliding block 50 and is provided with a clamping through hole 60, the fixing piece 51 is fixedly connected to the back of the display screen 1 and forms a through hole with the display screen 1, the sliding block 50 slides in the through hole, the positioning pin 52 is in threaded connection with the fixing piece 51, the head of the positioning pin is inserted into the sliding groove 500 and serves as a guide shaft for sliding the sliding block 50, after the sliding block 50 slides to a fixed position, the positioning pin 52 is twisted, the positioning pin 52 is connected to the display screen 1, the positioning pin 52 fixes the sliding block 50 and prevents the sliding block 50 from continuously sliding, and therefore when a plurality of display screens 1 need to be combined together, the sliding block 50 slides out of the display screen 1 and is inserted into the clamping through hole 60 on the female buckle 6 of another display screen 1, and then the positioning through the positioning pin 52 can be achieved.
In a further improvement, as shown in fig. 1, a step 160 or a slot is provided on the boss 16, and the extension arm 201 abuts on the step 160 or the slot and is detachably connected with the boss 16 by a pin, so that the extension arm 201 does not protrude from the boss 16, the structure is kept stable, and the connection is firm.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (6)

1. The utility model provides a compound display screen of installation COB light source which characterized in that: the display screen comprises a display screen which adopts a COB light source as a backlight source and can be controlled in a touch mode, and a support which is detachably provided with the display screen, wherein a heat dissipation through hole is formed in the back of the display screen, and an ambient light sensor and an infrared sensor which are electrically connected with a control circuit board of the display screen are arranged on the display screen; the display screen is characterized in that a positive plate is arranged on the back of a COB light source in parallel, a polar plate through hole is formed in the positive plate, an electrostatic generator is arranged under the positive plate, the electrostatic generator is connected with a metal filter screen adhered to a heat dissipation through hole, the positive plate and the electrostatic generator are both electrically connected with a control circuit board of the display screen, the back of the display screen is provided with male buckles in a sliding mode on two adjacent sides, a female buckle capable of being matched and clamped with the male buckles is arranged at one end opposite to the male buckles, bosses are fixedly arranged at positions, close to four corners, of the back of the display screen, a digital television processing module and a communication connection module are arranged on the control circuit board of the display screen, and a plurality of electric connection interfaces are further arranged on the display screen; the support includes base, first connecting rod, second connecting rod, mount pad, base central point puts and is equipped with spherical first recess, the outside extension of base lateral wall has the extension arm of cross structure, extension arm demountable installation is on the boss, the one end of first connecting rod is the spherical connector that the matching articulates in spherical first recess and can rotate at spherical first recess, the other end of first connecting rod and the one end of second connecting rod limit the pin joint mutually, the other end and the mount pad of second connecting rod are connected.
2. The composite display screen provided with the COB light source according to claim 1, wherein a second groove is arranged on the upper portion of the back of the display screen, and a projector is detachably and slidably arranged in the second groove.
3. The composite display screen for installing the COB light source of claim 1, wherein circular through holes are formed in the left side and the right side of the back of the display screen, a rotating plate is detachably embedded in each circular through hole, and sound equipment is fixedly connected to each rotating plate.
4. The composite display screen for installing the COB light source according to claim 1, wherein the male buckle comprises a sliding block, an n-type fixing piece and a positioning pin, the sliding block is fixedly connected to the display screen, the positioning pin is used for positioning the sliding block, the sliding block is slidably arranged in the fixing piece, and the positioning pin is in threaded connection with the fixing piece and sequentially penetrates through the fixing piece and the sliding groove to be connected with the display screen; the female buckle is fixedly connected to the display screen and is provided with a part matched with the sliding block and clamped with the through hole.
5. The composite display screen provided with the COB light source according to claim 1, wherein the boss is provided with a step or a clamping groove, and the extension arm abuts against the step or the clamping groove and is detachably connected with the boss through a pin.
6. The COB light source-mounted composite display screen of claim 1, wherein the ambient light sensor and the infrared sensor are integrated into a single structure.
CN202110771387.0A 2021-07-08 2021-07-08 Composite display screen provided with COB light source Withdrawn CN113470545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110771387.0A CN113470545A (en) 2021-07-08 2021-07-08 Composite display screen provided with COB light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110771387.0A CN113470545A (en) 2021-07-08 2021-07-08 Composite display screen provided with COB light source

Publications (1)

Publication Number Publication Date
CN113470545A true CN113470545A (en) 2021-10-01

Family

ID=77879080

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110771387.0A Withdrawn CN113470545A (en) 2021-07-08 2021-07-08 Composite display screen provided with COB light source

Country Status (1)

Country Link
CN (1) CN113470545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114719166A (en) * 2022-03-24 2022-07-08 北京龙翼风科技有限公司 Modular LED display screen city trunk road traffic analogue means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114719166A (en) * 2022-03-24 2022-07-08 北京龙翼风科技有限公司 Modular LED display screen city trunk road traffic analogue means

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