CN115273681B - RGB lamp bead structure of patch type LED virtual display screen - Google Patents
RGB lamp bead structure of patch type LED virtual display screen Download PDFInfo
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- CN115273681B CN115273681B CN202210784362.9A CN202210784362A CN115273681B CN 115273681 B CN115273681 B CN 115273681B CN 202210784362 A CN202210784362 A CN 202210784362A CN 115273681 B CN115273681 B CN 115273681B
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- 239000011324 bead Substances 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 230000032683 aging Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 4
- 238000005286 illumination Methods 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 238000003860 storage Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005036 potential barrier Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses an RGB (red, green and blue) lamp bead structure of a patch type LED virtual display screen, which relates to the field of the RGB lamp beads and solves the problem that fluorescent powder on a reflecting cup is easily aged and falls off when the RGB lamp bead structure of the traditional patch type LED virtual display screen is exposed to an external illumination environment for a long time.
Description
Technical Field
The invention relates to the technical field of patch type RGB lamp beads, in particular to a patch type LED virtual display screen RGB lamp bead structure.
Background
The English of the LED is (light emitting diode), the LED lamp beads are the English abbreviations of the light-emitting diodes, namely the LEDs, and the LEDs are popular names. The working principle is as follows: the terminal voltage of the PN junction forms a potential barrier, and when a forward bias voltage is applied, the potential barrier is lowered, and majority carriers in the P region and the N region diffuse to each other. Since the electron mobility is much greater than the hole mobility, a large number of electrons will diffuse into the P region, constituting an injection of minority carriers into the P region, which electrons recombine with holes on the valence band, and the energy obtained during recombination is released as light energy. The Virtual Vision (VV) is most characterized by producing high quality pictures in a small volume. To meet the requirement of viewing images of high resolution at small dimensions under the minimum visual resolution limit of the human eye (about 60'), a corresponding precision optical system must be provided. In addition, virtual displays are also primarily different from conventional displays in that they can provide much higher resolutions, with most displays having full color resolutions of only 80-100 lines/inch, and virtual displays providing color resolutions of up to 1000 lines/inch or more.
The white light LED and the RGB LED are all in the same way, and the effect of white light is expected to be achieved, but one is directly represented by white light, and the other is formed by mixing red, green and blue lights. The RGB lamp images by three primary colors in a common intersection mode, and in addition, a blue LED is matched with yellow fluorescent powder, and an ultraviolet LED is matched with RGB fluorescent powder, so that the two imaging principles are provided in the whole. Some LED backlights are particularly clear and vivid in color, even to the extent of high quality televisions, which is very RGB, the red, green, blue or blue character of the pilot board has more elements on the color mixing of light.
The surface of current RGB lamp pearl reflector cup can scribble the phosphor powder and strengthen the reflection effect, the reflection through the light source department when using fuses each other through the reflection of reflector cup of the red green blue light that emits, the effect that reaches to show different colours through the lamp shade, because the off-time of the virtual display screen of LED is far away longer than on-time, simultaneously in order to guarantee the printing opacity effect, the lamp shade can have better light transmissivity, external light can also enter into inside through the lamp shade more this moment, make the phosphor powder on the current reflector cup expose under external light for a long time, produce easily and drop, the reflection effect when influencing the use, reduce the intensity of light, influence virtual display screen's display effect, for this reason, we propose a patch type virtual display screen RGB lamp pearl structure.
Disclosure of Invention
The invention aims to provide a patch type LED virtual display screen RGB lamp bead structure which is convenient for improving the bonding degree of fluorescent powder and prolonging the service life of the lamp bead, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a virtual display screen RGB lamp pearl structure of paster type LED, includes the base, shelters from device and drive arrangement, set up the device groove in the base, concave surface groove has been seted up at the middle part in base top, the bottom fixedly connected with in concave surface groove is solid brilliant portion, the top of solid brilliant portion is equipped with RGB color development component, the top surface fixedly connected with lamp shade of base, be equipped with first reflector cup around the concave surface groove, the surface of first reflector cup is equipped with the phosphor layer, shelter from the device install in on the base, be used for right the phosphor layer shelters from, prevents that it exposes under external light and is heated ageing the phenomenon that drops, extension the life of phosphor layer, drive arrangement install in the device inslot is used for linkage when circular telegram is opened to shelter from the device, makes the phosphor layer expose out and reflect light, when the outage shelter from the device closes, to open the surface to shelter from the phosphor layer under the state of being convenient for promote the display effect, shelter from the phosphor layer under the state, shelter from the phosphor layer can realize the ageing phenomenon of ageing the aging under the ambient light, and the life-span of the phosphor layer is greatly reduced when the high-efficient display screen has been realized, and the life-span of the phosphor layer has been greatly reduced when the phosphor layer is exposed to the high-effect.
Preferably, the RGB color developing element comprises six groups of pins fixedly mounted on two sides of the base, the pins are used for being welded and electrified with the virtual display screen, a red LED chip, a blue LED chip and a green LED chip are fixedly connected to the top surface of the die bonding part, the red LED chip, the blue LED chip and the green LED chip are distributed on the die bonding part in an equilateral triangle shape, and bonding wires connected with a group of pins on two sides of the base are fixedly connected to two ends of the red LED chip, respectively, so that the displayed light mixing uniformity is improved.
Preferably, the shielding device comprises six groups of shielding cloth, the shielding cloth is made of elastic light-tight materials, the first reflecting cup is of a regular hexagon structure, six groups of device boxes are fixedly connected to the first reflecting cup, first sliding grooves are formed in two sides of the device boxes, first sliding blocks are fixedly connected to two sides of the shielding cloth and are in sliding connection with the first sliding grooves, top covers are fixedly connected to the top ends of the device boxes and are fixedly connected with the base, second sliding grooves are formed in two sides of the top covers and are in sliding connection with the first sliding blocks, one end of the shielding cloth is provided with a fixing piece used for keeping the top ends of the shielding cloth horizontal and preventing the shielding cloth from being scratched when the shielding cloth is opened and closed, so that the fluorescent powder layer is conveniently shielded when the fluorescent powder layer is subjected to long-time external light irradiation.
Preferably, the fixing piece comprises a first limiting rod and a second limiting rod which are fixedly mounted at one end of shielding cloth, a third sliding groove is formed in the first limiting rod, a sliding rod fixedly connected with one end of the second limiting rod is connected in the third sliding groove in a sliding manner, a first tension spring fixedly connected with one end of the sliding rod is fixedly connected with the third sliding groove, one end of the first limiting rod, which is far away from the second limiting rod, is connected with the first sliding groove in a sliding manner, one end of the second limiting rod, which is far away from the first limiting rod, is connected with the first sliding groove in a sliding manner, so that the top level of shielding cloth is kept conveniently, and the fluorescent powder layer is prevented from being scratched when the shielding cloth is opened and closed.
Preferably, the driving device comprises a fixed disc fixedly installed in the device groove, a fixed tube is fixedly connected to the fixed disc, a coil is fixedly connected to the outer wall of the fixed tube, two ends of the coil are respectively connected with a group of pins on two sides, an iron core which is slidably connected with the inner wall of the fixed tube is slidably connected to the device groove, a second tension spring which is fixedly connected to the device groove is fixedly connected to the iron core, a driving piece which is used for driving the shielding cloth to open when the iron core moves is arranged on the shielding cloth, a reset piece which is used for driving the shielding cloth to shield the fluorescent powder layer when the iron core resets is arranged on the device box, the linkage shielding device is convenient to open when the fluorescent powder layer is electrified, the fluorescent powder layer is exposed to reflect light, and the linkage shielding device is closed when the power is cut off, so that the surface of the fluorescent powder layer is shielded.
Preferably, the driving piece comprises a plurality of pull ropes, the shielding cloth is far away from one end fixedly connected with pull rod of first gag lever post, the storage groove has been seted up on the base, the pull rod with shielding cloth all with storage groove sliding connection, the one end of pull rope with the bottom fixed connection of pull rod, the other end with the side fixed connection of iron core, the pull rope runs through the base, and with base sliding connection is convenient for drive shielding cloth when the iron core removes and opens.
Preferably, the reset piece comprises elastic ropes which are respectively and fixedly arranged at one ends of the first limiting rod and the second limiting rod, the other ends of the elastic ropes are fixedly connected with the bottom ends of the first sliding grooves, and the shielding cloth is conveniently driven to shield the fluorescent powder layer when the iron core is reset.
Preferably, a group of conical reflecting surfaces are arranged on the side face of the device box, so that light rays at the included angle can be conveniently reflected to the first reflecting cups on the two sides.
Preferably, the middle part fixedly connected with triangular prism on solid brilliant portion top, the edge of triangular prism is equipped with the second reflection of light cup, the three side of second reflection of light cup is towards respectively red LED chip blue LED chip with green LED chip, the inclination of second reflection of light cup is 75, is convenient for reflect to the first reflection of light cup of light at middle part to through the spotlight of first reflection of light cup, make the light gather on the lamp shade mix and jet out.
Compared with the prior art, the invention has the beneficial effects that:
the invention solves the problem that when the existing patch type LED virtual display screen RGB lamp bead structure is used, fluorescent powder on a reflecting cup is exposed to an external illumination environment for a long time, and is easy to age and fall off.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the bottom structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is a schematic diagram of a driving apparatus according to the present invention;
FIG. 6 is a cross-sectional view of the overall structure of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 6;
FIG. 8 is an enlarged view of area B of FIG. 6;
FIG. 9 is a schematic view of a shielding device according to the present invention;
FIG. 10 is an enlarged view of region C of FIG. 9;
FIG. 11 is a schematic view of a base structure of the present invention;
FIG. 12 is a schematic diagram of an RGB color element according to the present invention.
In the figure: 1-a base; 2-a device groove; 3-concave grooves; 4-die bonding part; a 5-RGB color developing element; 6-a lampshade; 7-a first reflector cup; 8-a phosphor layer; 9-shielding means; 10-a driving device; 11-pins; 12-red LED chips; 13-blue LED chips; 14-green LED chips; 15-bonding wires; 17-shielding cloth; 18-a device box; 19-a first chute; 20-a first slider; 21-a top cover; 22-a second chute; 23-fixing piece; 24-a first limiting rod; 25-a second limiting rod; 26-a third chute; 27-a sliding rod; 28-a first tension spring; 29-a fixed disk; 30-fixing the tube; 31-coil; 32-iron core; 33-a second tension spring; 34-a driving member; 35-a reset piece; 36-pulling rope; 37-pulling the rod; 38-a receiving groove; 39-elastic cord; 40-conical reflective surface; 41-triangular columns; 42-second reflector cup.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4 and fig. 6-12, an RGB lamp bead structure of a patch type LED virtual display screen in the drawing includes a base 1, a shielding device 9 and a driving device 10, a device groove 2 is formed in the base 1, a concave groove 3 is formed in the middle of the top end of the base 1, a die fixing portion 4 is fixedly connected to the bottom of the concave groove 3, an RGB color developing element 5 is arranged above the die fixing portion 4, a lampshade 6 is fixedly connected to the top surface of the base 1, a first reflective cup 7 is arranged around the concave groove 3, a fluorescent powder layer 8 is arranged on the surface of the first reflective cup 7, the shielding device 9 is mounted on the base 1 and used for shielding the fluorescent powder layer 8, the fluorescent powder layer 8 is prevented from aging and falling under the condition of being heated under external light for a long time, the driving device 10 is mounted in the device groove 2 and used for opening the shielding device 9 when the fluorescent powder layer 8 is exposed, the fluorescent powder layer is shielded, the fluorescent powder layer 8 is blocked, and the shielding device 9 is closed when the fluorescent powder layer is in linkage when the power is cut off.
Referring to fig. 3 and 12, the RGB color-developing device 5 in the drawing includes six groups of pins 11 fixedly mounted on two sides of the base 1, the pins 11 are used for welding and energizing with a virtual display screen, a red LED chip 12, a blue LED chip 13 and a green LED chip 14 are fixedly connected to the top surface of the die bonding portion 4, the red LED chip 12, the blue LED chip 13 and the green LED chip 14 are distributed on the die bonding portion 4 in an equilateral triangle shape, and bonding wires 15 respectively connected with a group of pins 11 on two sides of the base 1 are fixedly connected to two ends of the red LED chip 12, the blue LED chip 13 and the green LED chip 14.
Referring to fig. 3 and 12, in the drawings, a triangular column 41 is fixedly connected to the middle of the top end of the die bonding portion 4, a second light reflecting cup 42 is disposed at the edge of the triangular column 41, three sides of the second light reflecting cup 42 face the red LED chip 12, the blue LED chip 13 and the green LED chip 14 respectively, and the inclination angle of the second light reflecting cup 42 is 75 °
In this embodiment, six groups of pins 11 are welded with lead welding points on a virtual display screen respectively, so that electricity flows into three groups of pins 11 on one side from an anode to supply power to a red LED chip 12, a blue LED chip 13 and a green LED chip 14 respectively through bonding wires 15, so that the three groups of pins 11 on the other side flow to a cathode through the bonding wires 15, and different from the existing arrangement of RGB chips on the same straight line, the red LED chip 12, the blue LED chip 13 and the green LED chip 14 used in the invention are distributed in an equilateral triangle shape, so that light is distributed more uniformly in the lampshade 6, and meanwhile, the light is reflected by a second reflector cup 42, at the moment, the inclination angle of the second reflector cup 42 is smaller, so that the light is reflected to a first reflector cup 7, and is reflected to the center of the lampshade 6 through a fluorescent powder layer 8 on the first reflector cup 7, so that the three colors are fully mixed in the lampshade 6, and the display effect of the light is improved.
It is worth noting that when the pin 11 is electrified, the driving device 10 can be operated to drive the shielding device 9 to be opened, so that the fluorescent powder layer 8 is exposed to reflect light, when the power is off, the driving device 10 is reset to drive the shielding device 9 to shield the fluorescent powder layer 8, the phenomenon that the fluorescent powder layer is exposed to external light for a long time and aged and falls off is prevented, and the purposes of prolonging the service life and the display effect of RGB (red, green and blue) lamp beads in the LED virtual display screen are achieved.
Example 2
Referring to fig. 6-10 for further description of embodiment 2, the shielding device 9 in the present embodiment further includes six groups of shielding cloths 17, the shielding cloths 17 are made of elastic opaque materials, the first reflective cups 7 are in a regular hexagonal structure, six groups of device boxes 18 are fixedly connected to the first reflective cups 7, a group of tapered reflective surfaces 40 are provided on the sides of the device boxes 18, the two sides of the six groups of device boxes 18 are provided with first sliding grooves 19, two sides of the shielding cloths 17 are fixedly connected with first sliding blocks 20 slidably connected with the first sliding grooves 19, a top cover 21 fixedly connected with the base 1 is fixedly connected with the top end of the device boxes 18, two sides of the top cover 21 are provided with second sliding grooves 22 slidably connected with the first sliding blocks 20, and one end of the shielding cloth 17 is provided with a fixing member 23 for keeping the top ends of the shielding cloths 17 horizontal and preventing the fluorescent powder layer 8 from being scratched during opening and closing.
Referring to fig. 6-10, the fixing member 23 in the drawings includes a first limiting rod 24 and a second limiting rod 25 fixedly mounted at one end of the shielding cloth 17, a third sliding groove 26 is formed on the first limiting rod 24, a sliding rod 27 fixedly connected with one end of the second limiting rod 25 is slidably connected with the third sliding groove 26, one end of the sliding rod 27 is fixedly connected with a first tension spring 28 fixedly connected with the third sliding groove 26, one end of the first limiting rod 24 away from the second limiting rod 25 is slidably connected with the first sliding groove 19, and one end of the second limiting rod 25 away from the first limiting rod 24 is slidably connected with the first sliding groove 19.
In this embodiment, the first reflecting cup 7 with the regular hexagonal structure makes the red LED chip 12, the blue LED chip 13 and the green LED chip 14 distributed at the included angle of the first reflecting cup 7 in an equilateral triangle shape, and corresponds to the second reflecting cup 42, so that the light is reflected more uniformly and stably in the lampshade 6, a good light condensation and light mixing effect is achieved, when the pin 11 is electrified, the driving device 10 is linked to enable one end of the shielding cloth 17 to be pulled, the six groups of shielding cloths 17 slide and move upwards in the first sliding groove 19 at the same time, the first limiting rod 24 and the second limiting rod 25 play a supporting role at the bottom, the cutting and rubbing between the shielding cloth 17 and the fluorescent powder layer 8 are better prevented, when the first limiting rod 24 and the second limiting rod 25 move upwards, the sliding rod 27 gradually slides out of the third sliding groove 26, the first tension spring 28 stretches, the first limiting rod 24 and the second limiting rod 25 are always kept in a horizontal supporting state until two ends of the first limiting rod 24 and the second limiting rod 25 slide into the second sliding groove 22 from the first sliding groove 19, at the moment, the first sliding block 20 slides into the second sliding groove 22, the fluorescent powder layer 8 can be completely opened for reflecting light, when the pin 11 is powered off, the driving device 10 drives the first limiting rod 24 and the second limiting rod 25 to slide downwards, the shielding cloth 17 can be enabled to move downwards to block the fluorescent powder layer 8, the fluorescent powder layer 8 is prevented from being exposed in the air for a long time and aged and separated, and because the closing time of the LED virtual display screen is far longer than the opening time, the lampshade 6 has better light transmittance in order to ensure the light transmittance effect, at the moment, external light can enter the inside through the lampshade 6 more easily to irradiate the fluorescent powder layer 8, the shielding device 9 can better ensure that the fluorescent powder layer 8 is in a shielded and protected state when the display screen is powered off, and the service lives of the fluorescent powder layer 8 and the RGB lamp beads are greatly prolonged.
Example 3
Referring to fig. 2 and fig. 5-10 for further description of embodiment 3, the driving device 10 in this embodiment includes a fixing disc 29 fixedly installed in the device slot 2, a fixing tube 30 is fixedly connected to the fixing disc 29, a coil 31 is fixedly connected to an outer wall of the fixing tube 30, two ends of the coil 31 are respectively connected to a group of pins 11 on two sides, an iron core 32 slidably connected to an inner wall of the fixing tube 30 is slidably connected to the device slot 2, a second tension spring 33 fixedly connected to the device slot 2 is fixedly connected to the iron core 32, a driving member 34 for driving the shielding cloth 17 to open when the iron core 32 moves is provided on the shielding cloth 17, and a reset member 35 for driving the shielding cloth 17 to shield the phosphor layer 8 when the iron core 32 resets is provided on the device box 18.
Referring to fig. 6-11, the driving member 34 in the drawings includes a plurality of pull ropes 36, a pull rod 37 is fixedly connected to one end of the shielding cloth 17 away from the first limiting rod 24, a storage slot 38 is formed in the base 1, the pull rod 37 and the shielding cloth 17 are slidably connected to the storage slot 38, one end of the pull rope 36 is fixedly connected to the bottom end of the pull rod 37, the other end is fixedly connected to the side surface of the iron core 32, and the pull rope 36 penetrates through the base 1 and is slidably connected to the base 1.
Referring to fig. 9-10, the restoring member 35 in the drawings includes an elastic rope 39 fixedly mounted on one end of the first limiting rod 24 and one end of the second limiting rod 25, and the other end of the elastic rope 39 is fixedly connected with the bottom end of the first chute 19.
In this embodiment, when the pin 11 is electrified, the coil 31 is electrified, the electrified coil 31 generates magnetism to drive the iron core 32 to move downwards, the second tension spring 33 stretches, the iron core 32 slides into the fixed tube 30 from the inside of the device groove 2, the pull rope 36 is driven to pull the pull rod 37 to move downwards in the storage groove 38, one end of the shielding cloth 17 slides into the storage groove 38, opening of the shielding cloth 17 is achieved, the elastic rope 39 is stretched, when the pin 11 is powered off, the coil 31 is powered off, magnetism disappears, the second tension spring 33 pulls the iron core 32 to move upwards to reset, the tension of the iron core 32 to the pull rope 36 is reduced, the elastic rope 39 pulls the first limit rod 24 and the second limit rod 25 to slide to the lower end of the first chute 19, shielding reset of the shielding cloth 17 is completed, the shielding cloth 17 is driven to open and close by using the magnetic distance generated by the electrified coil 31, the shielding cloth 17 is just matched with the use state of the lamp beads, meanwhile, the production and use cost of the RGB lamp bead structure is greatly reduced, and the structure is more reasonable and reliable.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a virtual display screen RGB lamp pearl structure of paster type LED which characterized in that includes:
the LED lamp comprises a base (1), wherein a device groove (2) is formed in the base (1), a concave groove (3) is formed in the middle of the top end of the base (1), a crystal fixing part (4) is fixedly connected to the bottom of the concave groove (3), an RGB color developing element (5) is arranged above the crystal fixing part (4), a lampshade (6) is fixedly connected to the top surface of the base (1), a first reflecting cup (7) is arranged around the concave groove (3), and a fluorescent powder layer (8) is arranged on the surface of the first reflecting cup (7);
further comprises:
the shielding device (9) is arranged on the base (1) and used for shielding the fluorescent powder layer (8) to prevent the fluorescent powder layer (8) from aging and falling off when being exposed to external light for a long time and being heated, so that the service life of the fluorescent powder layer (8) is prolonged;
the driving device (10) is arranged in the device groove (2) and used for linking the shielding device (9) to be opened when the power is on, so that the fluorescent powder layer (8) is exposed to reflect light, and linking the shielding device (9) to be closed when the power is off, so as to shield the surface of the fluorescent powder layer (8);
the RGB color developing element (5) comprises six groups of pins (11) fixedly installed on two sides of the base (1), the pins (11) are used for being welded and electrified with a virtual display screen, the top surface of the crystal fixing part (4) is fixedly connected with a red LED chip (12), a blue LED chip (13) and a green LED chip (14), the red LED chip (12), the blue LED chip (13) and the green LED chip (14) are distributed on the crystal fixing part (4) in an equilateral triangle shape, and bonding wires (15) which are respectively connected with one group of pins (11) on two sides of the base (1) are fixedly connected at two ends of the red LED chip (12), the blue LED chip (13) and the green LED chip (14);
the shielding device comprises six groups of shielding cloth (17), the shielding cloth (17) is made of elastic light-tight materials, the first reflecting cup (7) is of a regular hexagon structure, six groups of device boxes (18) are fixedly connected to the first reflecting cup (7), first sliding grooves (19) are formed in two sides of the six groups of device boxes (18), first sliding blocks (20) which are slidably connected with the first sliding grooves (19) are fixedly connected to two sides of the shielding cloth (17), a top cover (21) which is fixedly connected with the base (1) is fixedly connected to the top end of the device boxes (18), second sliding grooves (22) which are slidably connected with the first sliding blocks (20) are formed in two sides of the top cover (21), and fixing pieces (23) which are used for keeping the top ends of the shielding cloth (17) horizontal and preventing the fluorescent powder layers (8) from being scratched during opening and closing are arranged at one ends of the shielding cloth.
2. The patch-type LED virtual display screen RGB lamp bead structure of claim 1, wherein: the fixing piece (23) comprises a first limiting rod (24) and a second limiting rod (25) which are fixedly mounted at one end of the shielding cloth (17), a third sliding groove (26) is formed in the first limiting rod (24), a sliding rod (27) fixedly connected with one end of the second limiting rod (25) is connected in a sliding mode in the third sliding groove (26), a first tension spring (28) fixedly connected with one end of the sliding rod (27) is fixedly connected with the third sliding groove (26), one end, far away from the second limiting rod (25), of the first limiting rod (24) is connected with the first sliding groove (19) in a sliding mode, and one end, far away from the first limiting rod (24), of the second limiting rod (25) is connected with the first sliding groove (19) in a sliding mode.
3. The patch-type LED virtual display screen RGB lamp bead structure of claim 2, wherein: the driving device (10) comprises a fixed disc (29) fixedly installed in the device groove (2), a fixed tube (30) is fixedly connected to the fixed disc (29), a coil (31) is fixedly connected to the outer wall of the fixed tube (30), two ends of the coil (31) are respectively connected with a group of pins (11) on two sides, an iron core (32) which is slidably connected with the inner wall of the fixed tube (30) is slidably connected to the device groove (2), a second tension spring (33) which is fixedly connected with the device groove (2) is fixedly connected to the iron core (32), a driving piece (34) which is used for driving the shielding cloth (17) to open when the iron core (32) moves is arranged on the shielding cloth (17), and a reset piece (35) which is used for driving the shielding cloth (17) to shield the fluorescent powder layer (8) when the iron core (32) resets is arranged on the device box (18).
4. A patch LED virtual display screen RGB lamp bead structure according to claim 3, wherein: the driving piece (34) comprises a plurality of pull ropes (36), one end fixedly connected with pulling rod (37) of first gag lever post (24) is kept away from to shielding cloth (17), accomodate groove (38) has been seted up on base (1), pulling rod (37) with shielding cloth (17) all with accomodate groove (38) sliding connection, one end of pull rope (36) with the bottom fixed connection of pulling rod (37), the other end with the side fixed connection of iron core (32), pull rope (36) run through base (1), and with base (1) sliding connection.
5. The patch-type LED virtual display screen RGB lamp bead structure of claim 4, wherein: the reset piece (35) comprises an elastic rope (39) which is respectively and fixedly arranged at one end of the first limiting rod (24) and one end of the second limiting rod (25), and the other end of the elastic rope (39) is fixedly connected with the bottom end of the first sliding groove (19).
6. The patch-type LED virtual display screen RGB lamp bead structure of claim 1, wherein: a group of cone-shaped reflecting surfaces (40) are arranged on the side face of the device box (18).
7. The patch-type LED virtual display screen RGB lamp bead structure of claim 1, wherein: the middle part fixedly connected with triangular prism (41) on solid brilliant portion (4) top, the edge of triangular prism (41) is equipped with second reflector cup (42), three sides of second reflector cup (42) are towards red LED chip (12) respectively blue LED chip (13) with green LED chip (14), the inclination of second reflector cup (42) is 75.
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|---|---|
| CN115273681A (en) | 2022-11-01 |
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