CN112259004A - COB display screen based on full blue light flip-chip LED chip encapsulation - Google Patents
COB display screen based on full blue light flip-chip LED chip encapsulation Download PDFInfo
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- CN112259004A CN112259004A CN202011143052.6A CN202011143052A CN112259004A CN 112259004 A CN112259004 A CN 112259004A CN 202011143052 A CN202011143052 A CN 202011143052A CN 112259004 A CN112259004 A CN 112259004A
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- gear
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- protective shell
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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
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- 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
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- 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
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a COB display screen based on full blue light flip-chip LED chip packaging, which comprises a lower protective shell, wherein twenty-two radiating grooves are formed in the inner positions of the left end and the right end of the lower protective shell, an upper protective shell is arranged at the upper end of the lower protective shell, a motor is connected to the inner wall position in the middle of the lower end of the lower protective shell through a bolt, a fixed sleeve column and a main connecting cylinder can be driven to rotate through the motor, meanwhile, a main gear fan device and four auxiliary gear fan devices can perform autorotation rotating radiating work through a supporting sleeve frame, a beam cylinder, an auxiliary fan gear, a main fan gear and an auxiliary connecting cylinder, in addition, the four auxiliary gear fan devices can perform revolution radiating work around the main gear fan device in an inner gear groove seat through the main gear fan device, so that the main gear fan device and the four auxiliary gear fan devices can perform better radiating work, the heat dissipation effect is improved.
Description
Technical Field
The invention belongs to the technical field of display screens, and particularly relates to a COB display screen based on full blue light flip LED chip packaging.
Background
The traditional COB display screen/display device adopts a large-size substrate, a plurality of pixel units are integrated on the substrate, and each pixel unit consists of a red, a green and a blue normally-installed LED chip packaged on the substrate; during actual processing production, the electrodes of the normally-installed LED chips are connected with bonding pads on the substrate by using a gold wire welding process, then the normally-installed LED chips, gold wires and the substrate are molded and sealed into a whole by using a glue injection process, the substrate is a multilayer board, and a circuit is printed on the back side of the substrate and a driving chip is attached to the surface of the substrate.
The existing display screen technology has the following problems: the COB display screen of current full blue light flip-chip LED chip encapsulation will produce the heat when using, although protective housing has seted up the radiating groove, the radiating effect is relatively poor, has just so reduced the radiating effect.
Disclosure of Invention
The invention aims to provide a COB display screen based on full blue light flip LED chip packaging, and aims to solve the problem of reducing the heat dissipation effect in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a COB display screen based on full blue light flip-chip LED chip packaging comprises a lower protective shell, wherein twenty-two radiating grooves are formed in the inner positions of the left end and the right end of the lower protective shell, an upper protective shell is arranged at the upper end position of the lower protective shell, a motor is connected to the middle inner wall position of the lower end of the lower protective shell through a bolt, an inner gear groove seat is connected to the upper end position of the motor through a bolt, forty-two radiating through holes are formed in the inner position of the bottom end of the inner gear groove seat, a fixed sleeve column is sleeved at the outer wall position above a rotor in the motor and fixedly connected with the rotor in the motor through a bolt and a nut, the fixed sleeve column is located at the middle inner position of the bottom end of the inner gear groove seat, a main connecting cylinder is sleeved at the inner position above the fixed sleeve column and fixedly connected with the fixed sleeve column through a bolt, the device comprises a main connecting cylinder, a supporting sleeve frame, a crossbeam cylinder, auxiliary sector gears, a main sector gear, a main gear fan device, auxiliary gear fan devices, auxiliary connecting cylinders and auxiliary connecting cylinders, wherein the supporting sleeve frame is sleeved at the outer wall positions below the main connecting cylinder, the inner positions of the left side and the right side and the inner positions of the front side and the rear side above the supporting sleeve frame, the auxiliary sector gears are sleeved at the outer wall positions at the two ends of the crossbeam cylinder, the main sector gear is sleeved at the outer wall position below the main connecting cylinder, the main sector gear is meshed with the four auxiliary sector gears in the middle, the main gear fan device is sleeved at the outer wall position above the main connecting cylinder, the main gear fan device is meshed with the inner gear groove seat, the auxiliary gear fan devices are meshed with the outer wall positions at the front end and the rear end and the outer wall positions at the left end and the right end above the main connecting cylinder, the, the positions of the outer walls at the middle lower parts of the four secondary connecting cylinders are sleeved with a main sector gear, the four main sector gears are meshed with the four secondary sector gears at the outer sides of the four secondary connecting cylinders, the positions of the inner walls in the middle of the left end and the right end of the upper protective shell are welded with fixed connecting blocks, the upper ends of the two fixed connecting blocks are connected with a base plate through bolts, the base plate is positioned at the inner position of the upper protective shell, the middle position of the upper end of the base plate is coated with a second conductive adhesive, the position of the second conductive adhesive is connected with aluminum through a strong adhesive, the position of the upper end of the aluminum is coated with an insulating layer, the position of the upper end of the insulating layer is fixedly connected with twenty-seven copper, the position of the upper end of the twenty-seven copper is coated with a first conductive adhesive, the twenty-seven first conductive adhesives, twenty seven outer wall positions of the copper, the twenty seven first conductive adhesives, the twenty seven LED chips and the twenty four bonding wires are all coated with silica gel, the upper end position of the silica gel is fixedly connected with a protective layer, and the protective layer is positioned at the middle inner position above the upper protective shell.
Preferably, the thickness of the lower protective housing is five millimeters, the middle four corners of the bottom end of the lower protective housing are provided with internal thread holes, the inside of the upper portion of the lower protective housing is provided with a clamping groove, and the inner wall and the outer wall of the lower protective housing are coated with insulating anti-oxidation paint layer structures.
Preferably, the lower end of the upper protective shell is connected with a clamping column frame through hot melting welding, a fixed square groove is formed in the middle inner position of the upper end of the upper protective shell, and the inner wall and the outer wall of the upper protective shell are coated with insulating anti-oxidation paint layer structures.
Preferably, the radiating grooves are arranged to be twenty-two, the radiating grooves are divided into two groups, the two groups of radiating grooves are distributed in the inner positions of the left end and the right end of the lower protective shell in a linear structure, and the distance between every two adjacent radiating grooves is equal.
Preferably, the internal gear groove seat, the motor, the heat dissipation through hole, the pinion fan device, the main gear fan device, the auxiliary connection cylinder, the main sector gear, the support sleeve frame, the fixed sleeve column, the auxiliary sector gear, the heat dissipation device is composed of the beam cylinder and the main connection cylinder, the fixed sleeve column and the main connection cylinder can be driven to rotate through the motor, meanwhile, the main gear fan device and the four pinion fan devices can work through the support sleeve frame, the beam cylinder, the auxiliary sector gear, the main sector gear and the auxiliary connection cylinder, and in addition, the four pinion fan devices can rotate inside the internal gear groove seat through the main gear fan device, so that the main gear fan device and the four pinion fan devices can rotate to perform heat dissipation work.
Preferably, master gear fan unit and four pinion fan unit by rotating vane, solid fixed ring, four spliced poles, gear fan seat and main dust screen are constituteed, four spliced poles are located solid fixed ring front end both ends position department and control both ends position department, and the welding of four spliced poles other ends and gear fan seat, solid fixed ring among the master gear fan unit all cup joints with main connection cylinder with rotating vane, and rotating vane is located solid fixed ring top position department, the solid fixed ring of four pinion fan unit all cup joints with four vice connection cylinders with rotating vane, and rotating vane is located solid fixed ring top position department, pinion fan unit's specification is 0.75 times of master gear fan unit's specification.
Preferably, opening spherical fixing grooves are formed in the inner positions of the left side and the right side of the lower end of the auxiliary connecting cylinder in the front-back direction, rotating round balls are sleeved at the inner positions of the four opening spherical fixing grooves, an anti-oxidation paint layer structure is arranged at the outer wall position of the auxiliary connecting cylinder, and the specification of the auxiliary connecting cylinder is 0.75 times that of the main connecting cylinder.
Preferably, the support sleeve frame comprises solid fixed ring and four L shape support columns, and two end position departments about and around four L shape support columns are located solid fixed ring, and fixed round hole has been seted up to four L shape support column top internal position departments, and solid fixed ring middle internal position department has cup jointed the bearing, and the bearing cup joints in main connection cylinder outer wall position department.
Preferably, copper, LED chip go up protective housing, aluminium, base plate, silica gel, bonding wire, inoxidizing coating, conducting resin, No. two conducting resins and insulating layer and constitute the COB display screen of full blue light flip-chip LED chip encapsulation, carry out work through base plate, No. two conducting resins, a conducting resin, aluminium, copper, a conducting resin and bonding wire control LED chip for the COB display screen of full blue light flip-chip LED chip encapsulation carries out the show work.
Compared with the prior art, the invention provides a COB display screen based on full blue light flip LED chip packaging, which has the following beneficial effects:
the invention can drive the fixed sleeve column and the main connecting cylinder to rotate through the motor, and can enable the main gear fan device and the four pinion fan devices to rotate and radiate heat through the support sleeve frame, the beam cylinder, the pinion gear, the main sector gear and the pinion connecting cylinder.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic view of an internal anatomical structure of a COB display screen based on full blue light flip-chip LED chip packaging according to the present invention;
FIG. 2 is a schematic diagram of a right-view structure according to the present invention;
FIG. 3 is a schematic view of part A of the structure proposed by the present invention;
FIG. 4 is a schematic top view of an inner gear groove seat according to the present invention;
FIG. 5 is a schematic view of the internal anatomic connection structure of the female gear cavity of the present invention.
In the figure: 1. copper; 2. an LED chip; 3. an upper protective housing; 4. aluminum; 5. fixing a connecting block; 6. a heat sink; 7. an inner gear groove seat; 8. a motor; 9. a lower protective housing; 10. A substrate; 11. silica gel; 12. a bonding wire; 13. a protective layer; 14. a first conductive adhesive; 15. A second conductive adhesive; 16. an insulating layer; 17. a heat dissipating through hole; 18. a pinion fan unit; 19. A master gear fan assembly; 20. a secondary connecting cylinder; 21. a main sector gear; 22. a support jacket frame; 23. fixing the sleeve column; 24. a secondary sector gear; 25. a beam cylinder; 26. the main connecting cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a COB display screen based on full blue light flip-chip LED chip packaging comprises a lower protective shell 9, wherein the inner positions of the left end and the right end of the lower protective shell 9 are provided with twenty-two radiating grooves 6, the upper end position of the lower protective shell 9 is provided with an upper protective shell 3, the middle inner wall position of the lower end of the lower protective shell 9 is connected with a motor 8 through a bolt, the upper end position of the motor 8 is connected with an internal gear groove seat 7 through a bolt, the inner position of the bottom end of the internal gear groove seat 7 is provided with forty-two radiating through holes 17, the outer wall position above a rotor in the motor 8 is sleeved with a fixed sleeve column 23, the fixed sleeve column 23 is fixedly connected with the rotor in the motor 8 through a bolt and a nut, the fixed sleeve column 23 is positioned at the middle inner position of the bottom end of the internal gear groove seat 7, the inner position above the fixed sleeve column 23 is sleeved with a main connecting cylinder 26, the main connecting, the lower outer wall position of the main connecting cylinder 26 is sleeved with a supporting sleeve frame 22, the inner positions of the left side and the right side above the supporting sleeve frame 22 and the inner positions of the front side and the rear side are sleeved with a beam cylinder 25, the outer wall positions of the two ends of the beam cylinder 25 are sleeved with auxiliary sector gears 24, the outer wall position of the lower part in the main connecting cylinder 26 is sleeved with a main sector gear 21, the main sector gear 21 is meshed with the four auxiliary sector gears 24 in the middle, the outer wall position above the main connecting cylinder 26 is sleeved with a main gear fan device 19, the main gear fan device 19 is meshed with the internal gear groove seat 7, the outer wall positions of the front end and the rear end and the outer wall positions of the left end and the right end of the main gear fan device 19 are meshed with auxiliary gear fan devices 18, the four auxiliary gear fan devices 18 are meshed with the internal gear groove seat 7, the middle position below the four auxiliary gear fan devices 18 is, the middle lower outer wall positions of four secondary connecting cylinders 20 are sleeved with a main sector gear 21, the four main sector gears 21 are meshed with four secondary sector gears 24 on the outer side, the middle inner wall positions of the left end and the right end of an upper protective shell 3 are welded with fixed connecting blocks 5, the upper end positions of the two fixed connecting blocks 5 are connected with a base plate 10 through bolts, the base plate 10 is positioned in the inner position of the upper protective shell 3, the middle position of the upper end of the base plate 10 is coated with a second conductive adhesive 15, the upper end position of the second conductive adhesive 15 is connected with an aluminum 4 through a strong adhesive, the upper end position of the aluminum 4 is coated with an insulating layer 16, the upper end position of the insulating layer 16 is fixedly connected with twenty-seven copper 1, the upper end position of the twenty-seven copper 1 is coated with a first conductive adhesive 14, a bonding wire 12 is in telecommunication connection among the twenty-seven first conductive adhesives 14, and the upper end position of the twenty-seven first, the outer wall positions of the twenty-seven copper 1, the twenty-seven first conductive adhesive 14, the twenty-seven LED chips 2 and the twenty-four bonding wires 12 are all coated with silica gel 11, the upper end position of the silica gel 11 is fixedly connected with a protective layer 13, and the protective layer 13 is positioned in the middle of the upper portion of the upper protective shell 3.
The thickness of lower protective housing 9 is five millimeters, and the internal thread hole has been seted up to the middle four corners position department in lower protective housing 9 bottom, and lower protective housing 9 top inside position department draw-in groove scribbles insulating anti-oxidation paint layer structure in lower protective housing 9 inside and outside two wall position departments, through lower protective housing 9, can fix the guard work better.
Go up 3 lower extreme positions of protective housing and locate to have the card post frame through hot melt welded connection, go up 3 upper ends of protective housing and locate to have seted up fixed square groove in the middle of the inside position, go up protective housing 3 inside and outside two wall positions and scribble insulating anti-oxidation paint layer structure, through last protective housing 3, can fix protection work and fixed connection work better.
The heat dissipation grooves 6 are arranged to be twenty-two, the twenty-two heat dissipation grooves 6 are divided into two groups, the two groups of heat dissipation grooves 6 are distributed in a linear structure at the inner positions of the left end and the right end of the lower protective shell 9, the distance between every two adjacent heat dissipation grooves 6 is equal, and heat dissipation and ventilation can be better achieved through the heat dissipation grooves 6.
The internal gear groove seat 7, the motor 8, the heat dissipation through hole 17, the auxiliary gear fan device 18, the main gear fan device 19, the auxiliary connecting cylinder 20, the main sector gear 21, the supporting sleeve frame 22, the fixed sleeve column 23, the auxiliary sector gear 24, the beam cylinder 25 and the main connecting cylinder 26 form a heat dissipation device, the fixed sleeve column 23 and the main connecting cylinder 26 can be driven to rotate by the motor 8, at the same time, the main gear fan unit 19 and the four sub-gear fan units 18 can be operated by the support bracket 22, the beam cylinder 25, the sub-sector gear 24, the main sector gear 21 and the sub-connecting cylinder 20, in addition, the four pinion fan devices 18 can rotate inside the internal gear groove seat 7 through the main gear fan device 19, thereby causing the main gear fan unit 19 and the four sub-gear fan units 18 to perform a rotary heat dissipation work.
The main gear fan device 19 and the four pinion fan devices 18 are all composed of rotating fan blades, a fixed ring, four connecting columns, a gear fan seat and a main dustproof net, the four connecting columns are positioned at the two ends of the front end of the fixed ring and the left and right ends, the other ends of the four connecting posts are welded with a gear fan seat, a fixed ring and rotating blades in the master gear fan device 19 are sleeved with a main connecting cylinder 26, and the rotary fan blades are positioned above the fixed ring, the fixed ring of the four pinion fan devices 18 and the rotary fan blades are all sleeved with the four pinion connecting cylinders 20, and the rotating fan blades are positioned above the fixed ring, the specification of the pinion fan device 18 is 0.75 times that of the main gear fan device 19, through the main gear fan device 19 and the four pinion fan devices 18, the self-rotation heat dissipation work can be better carried out, while the four pinion fan units 18 perform the revolution heat-dissipating work around the main gear fan unit 19.
Opening spherical fixed slots have been seted up to auxiliary connection cylinder 20 lower extreme front and back direction left and right sides internal position department, and four opening spherical fixed slot internal position departments have cup jointed rotatory ball, and auxiliary connection cylinder 20 outer wall position department is provided with anti-oxidation paint layer structure, and auxiliary connection cylinder 20's specification is 0.75 times of main connection cylinder 26's specification, through auxiliary connection cylinder 20, can carry out fixed stay work and rotary motion work better.
The working principle and the using process of the invention are as follows: after the LED display screen is installed, a worker firstly fixedly connects the whole device with an external fixed end through a bolt, then the worker electrically connects the base plate 10 and the motor 8 with an external power supply through a power cord, after the work is finished, the worker switches on the power supply, the base plate 10 and the motor 8 can be switched on, when the base plate 10 is switched on, the LED chip 2 is controlled to work through the base plate 10, the second conductive adhesive 15, the first conductive adhesive 14, the aluminum 4, the copper 1, the first conductive adhesive 14 and the bonding wire 12, the COB display screen packaged by the full blue light flip LED chip can be displayed, meanwhile, the motor 8 can drive the fixing sleeve column 23 and the main connecting column 26 to rotate, and meanwhile, the supporting sleeve frame 22, the beam column 25, the auxiliary fan-shaped gear 24, the main fan-shaped gear 21 and the auxiliary connecting column 20 are used for rotating work, the main gear fan device 19 and the four pinion fan devices 18 can perform autorotation rotation heat dissipation work, in addition, the four pinion fan devices 18 can perform revolution heat dissipation work around the main gear fan device 19 in the inner gear groove seat 7 through the main gear fan device 19, so that the main gear fan device 19 and the four pinion fan devices 18 can perform heat dissipation work better, the heat dissipation effect is improved, and the whole device can perform higher display work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a COB display screen based on encapsulation of full blue light flip-chip LED chip, includes its characterized in that of lower protective housing (9): twenty-two radiating grooves (6) are formed in the inner positions of the left end and the right end of the lower protective shell (9), an upper protective shell (3) is arranged at the upper end of the lower protective shell (9), a motor (8) is connected to the middle inner wall position of the lower end of the lower protective shell (9) through a bolt, an inner gear groove seat (7) is connected to the upper end of the motor (8) through a bolt, forty-two radiating through holes (17) are formed in the inner position of the bottom end of the inner gear groove seat (7), a fixed sleeve column (23) is sleeved on the outer wall position above a rotor in the motor (8), the fixed sleeve column (23) is fixedly connected with the rotor in the motor (8) through a bolt and a nut, the fixed sleeve column (23) is located at the middle inner position of the bottom end of the inner gear groove seat (7), and a main connecting cylinder (26) is sleeved on the inner position above the fixed, main connection cylinder (26) are through bolt and nut and fixed sleeve post (23) fixed connection, main connection cylinder (26) below outer wall position department has cup jointed support sleeve frame (22), both sides internal position department has cup jointed crossbeam cylinder (25) with front and back both sides internal position department about support sleeve frame (22) top, vice fan-shaped gear (24) have been cup jointed to crossbeam cylinder (25) both ends outer wall position department, main connection cylinder (26) in the lower side outer wall position department has cup jointed main fan-shaped gear (21), and main fan-shaped gear (21) are connected with four middle vice fan-shaped gear (24) interlocks, main connection cylinder (26) top outer wall position department has cup jointed master gear fan device (19), and master gear fan device (19) are connected with inner gear groove seat (7) interlock, outer wall position department is connected with vice tooth position department interlock about and around master gear fan device (19) both ends outer wall position department The wheel fan device (18), four pinion fan devices (18) are connected with an inner gear groove seat (7) in an occluded manner, four pinion fan devices (18) are connected with a secondary connecting cylinder (20) in the middle position of the lower portion, four primary sector gears (21) are connected with four secondary sector gears (24) in the outer side of the secondary connecting cylinder (20) in an occluded manner, fixed connecting blocks (5) are welded in the middle inner wall positions of the left end and the right end of an upper protective shell (3), two upper end positions of the fixed connecting blocks (5) are connected with a base plate (10) through bolts, the base plate (10) is located in the inner position of the upper protective shell (3), two conductive adhesives (15) are coated in the middle position of the upper end of the base plate (10), and aluminum (4) is connected with the upper end position of the two conductive adhesives (15) through a strong adhesive, aluminium (4) upper end position department scribbles insulating layer (16), insulating layer (16) upper end position department fixedly connected with twenty seven copper (1), twenty seven copper (1) upper end position department scribbles conducting resin (14), twenty seven conducting resin (14) telecommunications connection each other has bonding wire (12), twenty seven conducting resin (14) upper end position department is connected with LED chip (2) through powerful glue, twenty seven copper (1), twenty seven conducting resin (14), twenty seven LED chip (2) and twenty four bonding wire (12) outer wall position department have all been scribbled silica gel (11), silica gel (11) upper end position department fixedly connected with inoxidizing coating (13), and inoxidizing coating (13) are located protective housing (3) top middle inside position department.
2. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: the thickness of the lower protective shell (9) is five millimeters, internal thread holes are formed in the middle four corners of the bottom end of the lower protective shell (9), a clamping groove is formed in the inner position above the lower protective shell (9), and insulating anti-oxidation paint layer structures are coated on the inner wall and the outer wall of the lower protective shell (9).
3. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: the lower end of the upper protective shell (3) is connected with a clamping column frame through hot melting welding, a fixed square groove is formed in the middle inner position of the upper end of the upper protective shell (3), and insulating anti-oxidation paint layer structures are coated on the inner wall and the outer wall of the upper protective shell (3).
4. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: the heat dissipation grooves (6) are arranged to be twenty-two, the heat dissipation grooves (6) are divided into two groups, the two groups of heat dissipation grooves (6) are in a straight structure and are distributed at the inner positions of the left end and the right end of the lower protective shell (9), and the distance between every two adjacent heat dissipation grooves (6) is equal.
5. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: the internal gear groove seat (7), the motor (8), the heat dissipation through hole (17), the pinion fan device (18), the master gear fan device (19), the auxiliary connecting cylinder (20), the master sector gear (21), the supporting sleeve frame (22), the fixed sleeve column (23), the pinion sector gear (24), the beam cylinder (25) and the main connecting cylinder (26) form the heat dissipation device, the fixed sleeve column (23) and the main connecting cylinder (26) can be driven to rotate through the motor (8), meanwhile, the master gear fan device (19) and the four pinion fan devices (18) can work through the supporting sleeve frame (22), the beam cylinder (25), the pinion sector gear (24), the master sector gear (21) and the auxiliary connecting cylinder (20), and the four pinion fan devices (18) can rotate inside the internal gear groove seat (7) through the master gear fan device (19), thereby leading the main gear fan device (19) and the four auxiliary gear fan devices (18) to carry out rotary heat dissipation work.
6. The COB display screen based on full blue light flip-chip LED chip package of claim 5, characterized in that: master gear fan unit (19) and four pinion fan unit (18) are by rotating fan blade, gu fixed ring, four spliced poles, gear fan seat and main dust screen are constituteed, four spliced poles are located solid fixed ring front end both ends position department and control both ends position department, and four spliced pole other ends and gear fan seat welding, gu fixed ring in master gear fan unit (19) and rotating fan blade all cup joint with main connection cylinder (26), and rotating fan blade is located solid fixed ring top position department, gu fixed ring and rotating fan blade all cup joint with four vice connection cylinders (20) in four pinion fan unit (18), and rotating fan blade is located solid fixed ring top position department, the specification of pinion fan unit (18) is 0.75 times of the specification of master gear fan unit (19).
7. The COB display screen based on full blue light flip-chip LED chip package of claim 5, characterized in that: opening spherical fixing grooves are formed in the inner positions of the left side and the right side of the lower end of the auxiliary connecting cylinder (20) in the front-back direction, rotating round balls are sleeved at the inner positions of the four opening spherical fixing grooves, an anti-oxidation paint layer structure is arranged at the outer wall position of the auxiliary connecting cylinder (20), and the specification of the auxiliary connecting cylinder (20) is 0.75 time that of the main connecting cylinder (26).
8. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: support sleeve frame (22) comprise solid fixed ring and four L shape support columns, and two end position departments about and around four L shape support columns are located solid fixed ring, and fixed round hole has been seted up to four L shape support column top internal position departments, and solid fixed ring middle internal position department has cup jointed the bearing, and the bearing cup joints in main connection cylinder (26) outer wall position department.
9. The COB display screen based on full blue light flip-chip LED chip package of claim 1, characterized in that: copper (1), LED chip (2), go up protecting sheathing (3), aluminium (4), base plate (10), silica gel (11), bonding wire (12), inoxidizing coating (13), conducting resin (14), conducting resin (15) and insulating layer (16) constitute the COB display screen of full blue light flip-chip LED chip encapsulation, control LED chip (2) through base plate (10), conducting resin (15) No. two, conducting resin (14), aluminium (4), copper (1), conducting resin (14) and bonding wire (12) and carry out work for the COB display screen of full blue light flip-chip LED chip encapsulation carries out the show work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143052.6A CN112259004A (en) | 2020-10-23 | 2020-10-23 | COB display screen based on full blue light flip-chip LED chip encapsulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143052.6A CN112259004A (en) | 2020-10-23 | 2020-10-23 | COB display screen based on full blue light flip-chip LED chip encapsulation |
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| CN112259004A true CN112259004A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011143052.6A Pending CN112259004A (en) | 2020-10-23 | 2020-10-23 | COB display screen based on full blue light flip-chip LED chip encapsulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504145A (en) * | 2023-01-13 | 2023-07-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
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2020
- 2020-10-23 CN CN202011143052.6A patent/CN112259004A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504145A (en) * | 2023-01-13 | 2023-07-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
| CN116504145B (en) * | 2023-01-13 | 2023-11-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
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