Rare earth light emitting diode and anti-blue-light intelligent display blackboard

Abstract

The invention relates to the technical field of light-emitting diodes, and discloses a rare earth light-emitting diode and an anti-blue-light intelligent display blackboard, the rare earth light-emitting diode comprises diode assemblies, the plurality of diode assemblies are linearly arranged at equal intervals, and the plurality of diode assemblies are packaged through an epoxy resin lens; the diode assembly comprises an anode and a cathode, the right side walls of the cathode and the anode are buckled with a first clamping plate and a second clamping plate, and the first clamping plate is provided with a first rectangular boss and a first parallelogram boss which are connected; a guide column is arranged on the first rectangular boss; the second clamping plate is provided with a second rectangular boss and a second parallelogram boss which are connected. A guide groove is formed in the second rectangular boss and matched with the guide column in an inserted mode. Through the arrangement of the first clamping plate and the second clamping plate, the anode and the cathode are fixed, the influence of thermal expansion and cold contraction during packaging of the epoxy resin lens is overcome, the positions of the anode and the cathode do not deviate, the first wire and the second wire are prevented from being torn apart, and the qualified rate of products is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of light emitting diodes, and in particular to a rare earth light emitting diode and a blue light proof intelligent display blackboard. Background Art

[0002] Light-emitting diode, abbreviated as LED, is a commonly used light-emitting device that releases energy through the recombination of electrons and holes to emit light. It is widely used in the field of lighting.

[0003] The main packaging method currently used is laser packaging, such as laser scanning packaging, laser spot heating packaging, matrix laser packaging, etc. Laser scanning packaging is to project a laser beam onto the packaging material (glass powder) on the surface of the organic light-emitting diode device to be packaged, and then the laser beam scans along the outline of the packaging material for a circle to melt the packaging material and complete the packaging. Laser spot heating packaging is to perform laser spot packaging at different positions of the packaging material to finally meet the packaging requirements.

[0004] Chinese patent application number 201510446094.X discloses a packaging material, an organic light-emitting diode device and a packaging method thereof. The packaging material of the present invention includes main components, and the main components include: rare earth metal oxide, zinc oxide, aluminum oxide, and silicon dioxide.

[0005] Chinese patent application number 200810214461.3 discloses a light emitting diode package, which includes a carrier, a light emitting diode chip and a plurality of conductors. The light emitting diode chip has a front surface, a back surface and a plurality of side walls connected between the front surface and the back surface, and one of the side walls of the light emitting diode chip faces the carrier and is connected to the carrier. The conductor is electrically connected between the carrier and the light emitting diode chip.

[0006] However, due to the thermal expansion and contraction of the packaging material, the positions of the anode and cathode will shift, which will in turn tear the connecting wires and reduce the product's qualification rate. Summary of the invention

[0007] The purpose of the present invention is to provide a rare earth light-emitting diode and an anti-blue light intelligent display blackboard to solve the problem proposed in the above background technology that the packaging material is affected by thermal expansion and contraction, the positions of the anode and the cathode will be offset, and then the connecting wires will be torn, thereby reducing the qualified rate of the product.

[0008] The technical solution adopted by the present invention is as follows: a rare earth light-emitting diode, including a diode assembly, a plurality of diode assemblies are arranged in a straight line with equal spacing, and the plurality of diode assemblies are encapsulated by an epoxy resin lens; the diode assembly includes an anode and a cathode, and the right side walls of the cathode and the anode are buckled with a first clamping plate and a second clamping plate, the first clamping plate is in a rectangular shape, and has a first rectangular boss and a first parallelogram boss on the first clamping plate, the first rectangular boss is connected to the first parallelogram boss, the first rectangular boss is adapted to the right-angled triangle segment and the right-angled trapezoidal segment, and the first parallelogram boss is adapted to the accommodation gap; a guide column is arranged on the first rectangular boss; a second rectangular boss and a second parallelogram boss are arranged on the second clamping plate, the second rectangular boss is connected to the second parallelogram boss, the second rectangular boss is adapted to the right-angled triangle segment and the right-angled trapezoidal segment, and the second parallelogram boss is adapted to the accommodation gap; a guide groove is opened on the second rectangular boss, and the guide groove is plug-fitted with the guide column.

[0009] The first heat sink and the second heat sink have outer flanges, which are matched with the notched grooves. The opposite surfaces of the first heat sink and the second heat sink have cross grooves, which are matched with the first insulating shell and the second insulating shell. The opposite surfaces of the first heat sink and the second heat sink are provided with vertically arranged heat dissipation grooves, and the heat dissipation grooves are provided with separation grooves.

[0010] The opposite surfaces of the first heat sink and the second heat sink are provided with serpentine-arranged air flow channels, one end of the air flow channel passes through the dividing groove of the first heat sink, and the other end of the air flow channel passes through the dividing groove of the second heat sink, the opposite air flow channels are connected through the eighth air pipe, and the outermost air flow channel is connected to the seventh air pipe through the ninth air pipe.

[0011] Rare earth elements are added to the resin material, and the rare earth elements include europium, terbium, and dysprosium rare earth elements, and the ratio of europium, terbium, and dysprosium rare earth elements is 36%, 40%, and 24%; the added amount of the rare earth elements is 2.5% of the total weight of the resin material.

[0012] A blue light protection smart display blackboard using the rare earth light emitting diode comprises a back plate, wherein the inner cavity of the back plate is provided with a backlight strip, a first liquid crystal gasket, a liquid crystal display screen, a second liquid crystal gasket, a blue light protection film and a front frame in sequence from the inside to the outside.

[0013] The beneficial effects of the present invention are as follows: by setting the first clamp and the second clamp, the anode and the cathode are fixed, thus overcoming the influence of thermal expansion and contraction during epoxy resin lens packaging, the positions of the anode and the cathode will not be offset, and the first wire and the second wire will not be torn, thereby ensuring the qualified rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of this application.

[0015] Figure 2 This is a schematic diagram of the main structure of the diode component.

[0016] Figure 3 Schematic diagram of the three-dimensional structure of the reflection bowl.

[0017] Figure 4 Schematic diagram of the three-dimensional structure of the first wire and the second wire.

[0018] Figure 5 This is a schematic diagram of the main cross-sectional structure of the reflection bowl.

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the first splint and the second splint.

[0020] Figure 7 It is a schematic diagram of the three-dimensional structure of the first splint.

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the second splint.

[0022] Fig. 9 This is a schematic diagram of the main structure of the epoxy resin lens.

[0023] Fig.10 It is a schematic diagram of the three-dimensional structure of the first through hole.

[0024] Fig.11 It is a schematic diagram of the three-dimensional structure of the second gas pipeline.

[0025] Fig.12 It is a schematic diagram of the three-dimensional structure of the first gas pipeline and the second gas pipeline.

[0026] Fig.13 It is a schematic diagram of the three-dimensional structure of the second through hole.

[0027] Fig.14 Schematic diagram of the three-dimensional structure of the fourth gas pipeline.

[0028] Fig.15 It is a schematic diagram of the three-dimensional structure of the third gas pipeline and the fourth gas pipeline.

[0029] Fig.16 It is a schematic diagram of the three-dimensional structure of the second gas pipeline and the fourth gas pipeline.

[0030] Fig.17 It is a schematic diagram of the side structure of the fifth gas pipeline.

[0031] Fig.18 It is a schematic diagram of the side structure of the air supply component.

[0032] Fig.19 It is a schematic diagram of the side cross-sectional structure of the air supply component.

[0033] Fig. 20 It is a schematic diagram of the three-dimensional structure of the air supply component.

[0034] Fig.21 It is a schematic diagram of the side cross-sectional structure of the tapered mouth.

[0035] Fig. 22 It is a schematic diagram of the three-dimensional structure of the pressing sleeve.

[0036] Fig.23 It is a schematic diagram of the top cross-sectional structure of the special-shaped spring.

[0037] Fig.24 It is a schematic diagram of the top cross-sectional structure of the first limiting column.

[0038] Fig.25 It is a schematic diagram of the three-dimensional structure of the connector and the epoxy resin lens.

[0039] Fig.26 It is a schematic diagram of the three-dimensional structure of the first insulating shell and the second insulating shell.

[0040] Fig. 27 It is a schematic diagram of the three-dimensional structure of the connecting piece.

[0041] Fig.28 It is a schematic diagram of the three-dimensional structure of the second heat dissipation plate.

[0042] Fig.29 It is a schematic diagram of the three-dimensional structure of the eighth gas pipeline.

[0043] Fig.30 It is a schematic diagram of the three-dimensional structure of the air flow channel.

[0044] Fig.31 It is a schematic diagram of the main cross-sectional structure of the light guide plate.

[0045] Fig.32 Schematic diagram of the three-dimensional structure of the shading paper.

[0046] Fig.33 This is a schematic diagram of the main structure of the back panel.

[0047] In the figure: 1, diode assembly; 2, epoxy resin lens; 3, anode; 4, cathode; 5, first limiting part; 6, right triangle segment; 7, first wire; 8, second limiting part; 9, right trapezoid segment; 10, accommodation gap; 11, reflection bowl; 12, groove; 13, substrate; 14, n-type semiconductor; 15, p-type semiconductor; 16, cutout; 17, second wire; 18, reflective material; 19, resin material; 20, first clamping plate; 21, second clamping plate; 22, first rectangular boss; 23, first parallelogram boss; 24, guide column; 25, second rectangular boss; 26, second parallelogram boss; 27, guide groove; 28, T-segment; 29, semicircular section; 30, first through hole; 31, first air pipe; 32, first plugging cover; 33, second air pipe; 34, first L-shaped section; 35, first oblique section; 36, first U-shaped section; 37, first L-shaped groove; 38, first oblique groove; 39, second through hole; 40, third air pipe; 41, second plugging cover; 42, fourth air pipe; 43, second inverted L-shaped section; 44, second oblique section; 45, second U-shaped section; 46, second inverted L-shaped groove; 47, second oblique groove; 48, fifth air pipe; 49, sixth air pipe; 50, air supply assembly; 51, seventh air pipe; 52, support seat; 53, housing; 54, box cover; 55, air inlet; 56 , protective grille; 57, exhaust port; 58, positioning plate; 59, primary filter; 60, medium filter; 61, high efficiency filter; 62, axial fan; 63, conical mouth; 64, pressing sleeve; 65, annular slope surface; 66, U-shaped notch; 67, pressing ring; 68, outer edge; 69, screw groove; 70, countersunk hole; 71, column; 72, special-shaped spring; 73, first straight line segment; 74, first oblique line segment; 75, incomplete arc segment; 76, second oblique line segment; 77, second straight line segment; 78, first limiting column; 79, second limiting column; 80, light hole; 81, annular groove; 82, first insulating shell; 83, second insulating shell; 84, connecting piece; 85. First heat sink; 86. Second heat sink; 87. First fastener; 88. Isosceles trapezoidal plate; 89. Notch groove; 90. Positioning bolt; 91. Second fastener; 92. External flange; 93. Cross groove; 94. Heat sink; 95. Partition groove; 96. Air channel; 97. Eighth air pipe; 98. Ninth air pipe; 99. Light guide plate; 100. Shading paper; 101. Reflective film; 102. Lower diffusion film; 103. Brightness enhancement film; 104. Upper diffusion film; 105. Backlight strip; 106. Back plate; 107. First liquid crystal gasket; 108. Liquid crystal display; 109. Second liquid crystal gasket; 110. Anti-blue light film; 111. Front frame. DETAILED DESCRIPTION

[0048] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0050] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", and "ninth" are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] like Figure 1 to Figure 8As shown, a rare earth light-emitting diode comprises a diode assembly 1, wherein a plurality of diode assemblies 1 are arranged in a straight line at equal intervals, and the plurality of diode assemblies 1 are encapsulated by an epoxy resin lens 2; the diode assembly 1 comprises an anode 3 and a cathode 4, wherein the waist of the anode 3 comprises a first limiting portion 5 protruding upward and downward, the first limiting portion 5 is located outside the epoxy resin lens 2, the left end of the anode 3 is used for connecting an electric wire, the right side wall of the anode 3 comprises a right-angled triangle segment 6, the right-angled triangle segment 6 is located inside the epoxy resin lens 2, and the right end surface of the anode 3 is connected to a first wire 7; the waist of the cathode 4 comprises a second limiting portion 8 protruding upward and downward, the second limiting portion 8 is opposite to the first limiting portion 5, the left end of the cathode 4 is used for connecting an electric wire, and the left end of the cathode 4 is longer than the left end of the anode 3, The right side wall of the cathode 4 has a right-angled trapezoidal segment 9, the inclined surface of the right-angled trapezoidal segment 9 is parallel to the inclined surface of the right-angled triangle segment 6, and the inclined surface of the right-angled trapezoidal segment 9 and the inclined surface of the right-angled triangle segment 6 form an accommodation gap 10, the right end face of the cathode 4 has a reflection bowl 11, a groove 12 is provided in the recess of the reflection bowl 11, a substrate 13 is installed in the groove 12, a layer of n-type semiconductor 14 is added on the substrate 13, a layer of p-type semiconductor 15 is added on the n-type semiconductor 14, the thickness of the p-type semiconductor 15 is less than the thickness of the n-type semiconductor 14, a cutout 16 is provided on the p-type semiconductor 15, the cutout 16 exposes the n-type semiconductor 14, the n-type semiconductor 14 is used to connect the first wire 7, and the p-type semiconductor 15 is connected to the right end face of the cathode 4 through the second wire 17 , the current flows between the n-type semiconductor 14 and the p-type semiconductor 15, and emits light. A reflective material 18 (the reflective material 18 can be metal or aluminum oxide) is coated on the inner wall of the reflective bowl 11, and a transparent resin material 19 is filled in the reflective bowl 11 to protect it; the right side walls of the cathode 4 and the anode 3 are buckled with a first clamping plate 20 and a second clamping plate 21, the first clamping plate 20 is rectangular in shape, and has a first rectangular boss 22 and a first parallelogram boss 23 on the first clamping plate 20, the first rectangular boss 22 is connected to the first parallelogram boss 23, the first rectangular boss 22 is adapted to the right-angled triangle segment 6 and the right-angled trapezoid segment 9, and the first parallelogram boss 23 is adapted to the accommodating gap 10; the first rectangular boss 22 is connected to a guide column 24, and the guide column 2 4 is at least 2, and the two guide pillars 24 are arranged symmetrically; the second clamping plate 21 is provided with a second rectangular boss 25 and a second parallelogram boss 26, the second rectangular boss 25 is connected to the second parallelogram boss 26, the second rectangular boss 25 is adapted to the right-angled triangle segment 6 and the right-angled trapezoidal segment 9, and the second parallelogram boss 26 is adapted to the accommodating gap 10; the second rectangular boss 25 is provided with a guide groove 27, and the guide groove 27 is plugged and adapted with the guide pillar 24; the present application fixes the anode 3 and the cathode 4 by setting the first clamping plate 20 and the second clamping plate 21, overcomes the influence of thermal expansion and contraction during the encapsulation of the epoxy resin lens 2, and the positions of the anode 3 and the cathode 4 will not be offset, avoiding tearing of the first wire 7 and the second wire 17, thereby ensuring the qualified rate of the product.

[0053] like Fig. 9 As shown, as an optimization of the embodiment, the epoxy resin lens 2 is composed of a T-shaped segment 28 and a semicircular segment 29 , the semicircular segment 29 is used to diffuse the emitted light, and the T-shaped segment 28 is used to encapsulate the cathode 4 and the anode 3 .

[0054] like Figure 10~Figure 18As shown, as an optimization of the embodiment, considering that the heating area is mainly in the accommodating gap 10 and near the reflective bowl 11, the end surface of the first rectangular boss 22 is provided with a first through hole 30 that penetrates the first clamping plate 20, and a first air pipe 31 is installed in the first through hole 30, and the inner port of the first air pipe 31 is connected to a first plugging cover 32, and the first plugging cover 32 is against the second clamping plate 21; the first air pipe 31 is connected to the second air pipe 33, and the second air pipe 33 is composed of a first L-shaped section 34, a first oblique section 35, and a first U-shaped section 36, and the first L-shaped section 34, the first oblique section 35, and the first U-shaped section 36 are connected in sequence from left to right; the first rectangular boss 22 is provided with a first L-shaped section that is connected to the first through hole 30 The first L-shaped groove 37 is adapted to the first L-shaped section 34; the first parallelogram boss 23 is provided with a first inclined groove 38, the lower end of the first inclined groove 38 is connected to the horizontal section of the first L-shaped groove 37, and the first inclined groove 38 is adapted to the first inclined section 35; the end surface of the second rectangular boss 25 is provided with a second through hole 39 that penetrates the second clamping plate 21, and a third gas pipe 40 is installed in the second through hole 39, and the inner port of the third gas pipe 40 is connected to a second plugging cover 41, and the second plugging cover 41 is against the first clamping plate 20; the third gas pipe 40 is connected to a fourth gas pipe 42, and the fourth gas pipe 42 is composed of a second inverted L-shaped section 43, a second oblique section 44, and a second U-shaped section 45, and the second inverted L-shaped section 4 3. The second oblique section 44 and the second U-shaped section 45 are connected in sequence from left to right; a second inverted L-shaped groove 46 connected to the second through hole 39 is provided on the second rectangular boss 25, and the second inverted L-shaped groove 46 is adapted to the second inverted L-shaped section 43; a second oblique groove 47 is provided on the second parallelogram boss 26, and the lower end of the second oblique groove 47 is connected to the horizontal section of the second inverted L-shaped groove 46, and the second oblique groove 47 is adapted to the second oblique section 44; the second U-shaped section 45 is inserted and docked with the free end of the first U-shaped section 36, and the second U-shaped section 45 and the first U-shaped section 36 are located on the left side of the first wire 7, and the second U-shaped section 45 and the first U-shaped section 36 are encapsulated in the epoxy resin lens 2, so that the third gas supply pipe 40 and the fourth gas supply pipe 42 The second air pipe 33 and the first air pipe 31 form a heat dissipation channel, which is convenient for taking away the heat from the accommodating gap 10 and the reflecting bowl 11; the relatively first air pipe 31 is connected to the third air pipe 40 through the fifth air pipe 48, the third air pipe 40 located on the outermost side is connected to the sixth air pipe 49, the free end of the sixth air pipe 49 is located outside the epoxy resin lens 2, and the sixth air pipe 49 is connected to the air supply component 50; the first air pipe 31 located on the outermost side is connected to the seventh air pipe 51, and the free end of the seventh air pipe 51 is located outside the epoxy resin lens 2; air is injected into the heat dissipation channel through the air supply component 50, and the flowing air can take away the heat generated by the lighting, so the heat dissipation efficiency is high and the heat dissipation effect is good.

[0055] like Fig.19 and Fig. 20As shown, as an optimization of the embodiment, the air supply assembly 50 includes a support seat 52, the support seat 52 is L-shaped, the support seat 52 is arranged on the side of the epoxy resin lens 2, and a housing 53 is fixed to the support seat 52 by screws; the housing 53 is a cavity structure with a side opening, and a box cover 54 is detachably installed at the opening of the housing 53; the front side of the housing 53 is connected to an air inlet 55, and a protective grille 56 is clamped on the air inlet 55 to prevent large impurities from entering the housing 53; the rear side of the housing 53 is connected to an exhaust port 57 The exhaust port 57 is connected to the sixth air supply pipe 49. A positioning plate 58 is installed in the casing 53. A primary filter 59, a medium-efficiency filter 60, a high-efficiency filter 61, and an axial flow fan 62 are detachably fixed on the positioning plate 58. The primary filter 59, the medium-efficiency filter 60, the high-efficiency filter 61, and the axial flow fan 62 are arranged in sequence from front to back. The primary filter 59, the medium-efficiency filter 60, and the high-efficiency filter 61 can filter dust in the air, ensure the cleanliness of the heat dissipation channel, and improve the long-term operation of the heat dissipation.

[0056] like Fig.21 and Fig. 22 As shown, as an optimization of the embodiment, considering that the fifth gas pipe 48 is plug-in installed, it is easy to change its position during packaging. The outer side surface of the first clamping plate 20 is provided with a tapered opening 63, and the tapered opening 63 is located at the first gas pipe 31. The outer side surface of the second clamping plate 21 is provided with a tapered opening 63, and the tapered opening 63 is located at the third gas pipe 40. A pressing sleeve 64 is slidably connected to the tapered opening 63. The pressing sleeve 64 is a circular ring structure. The material of the pressing sleeve 64 is rubber. The pressing sleeve 64 is used to be sleeved on the first gas pipe 31 or the third gas pipe 40. The outer side wall of the pressing sleeve 64 is provided with an annular slope surface 65, and the annular slope surface 65 is provided. There are U-shaped notches 66 arranged at equal angles, and the number of U-shaped notches 66 is at least 10. The tapered mouth 63 is threadedly connected with a pressing ring 67, and the pressing ring 67 is a tubular structure. The outer wall of the pressing ring 67 has an outwardly turned edge 68, and a screwing groove 69 is provided on the outwardly turned edge 68. The pipe mouth of the pressing ring 67 is a rounded structure. By rotating the pressing ring 67, the pressing sleeve 64 continues to move toward the tapered mouth 63, and then the annular slope surface 65 of the pressing sleeve 64 is tightly stuck in the tapered mouth 63. At this time, the gap of the U-shaped notch 66 becomes smaller, and the pressing sleeve 64 squeezes the first gas pipe 31 or the third gas pipe 40 to produce an anti-slip effect, thereby avoiding the position change of the fifth gas pipe 48 during packaging.

[0057] like Fig.23 and Fig.24As shown, as an optimization of the embodiment, considering that the guide column 24 is plugged and adapted with the guide groove 27, it is easy to change the position during packaging, a countersunk hole 70 is opened in the center of the guide column 24, a column 71 is connected in the countersunk hole 70, and a special-shaped spring 72 is installed on the side wall of the column 71. The special-shaped spring 72 includes a first straight line segment 73, a first oblique line segment 74, an incomplete circular arc segment 75, a second oblique line segment 76, and a second straight line segment 77. The first straight line segment 73, the first oblique line segment 74, the incomplete circular arc segment 75, the second oblique line segment 76, and the second straight line segment 77 From left to right, the first straight segment 73 is connected to the first limiting column 78, the second straight segment 77 is connected to the second limiting column 79, the side wall of the guide column 24 is provided with a light hole 80 through which the first limiting column 78 and the second limiting column 79 pass, the head ends of the first limiting column 78 and the second limiting column 79 are round, and the head ends protrude outside the guide column 24; an annular groove 81 is provided in the guide groove 27, the annular groove 81 is used to accommodate the first limiting column 78 and the second limiting column 79 to prevent the guide column 24 from being detached, and to avoid the position change of the guide column 24 during packaging.

[0058] like Fig.25 and Fig.26 As shown, as an optimization of the embodiment, considering that the anode 3 and the cathode 4 will also conduct heat, the first limiting portion 5 is sleeved with a first insulating shell 82, the number of the first insulating shells 82 is 2, and the two first insulating shells 82 are butt-jointed to form a cross-shaped tube; the second limiting portion 8 is sleeved with a second insulating shell 83, the number of the second insulating shells 83 is 2, and the two second insulating shells 83 are butt-jointed to form a cross-shaped tube, and the first insulating shell 82 and the second insulating shell 83 are both thin-walled structures; the T-section 28 of the epoxy resin lens 2 is fixed with a first heat sink 85 through a connector 84, and the T-section 28 of the epoxy resin lens 2 is fixed with a second heat sink 86 through a connector 84, and the first heat sink 85 and the second heat sink 86 are buckled on the first insulating shell 82 and the second insulating shell 83, so as to expand the heat dissipation area of ​​the anode 3 and the cathode 4 and accelerate the heat dissipation.

[0059] like Fig. 27 As shown, as an optimization of the embodiment, the connecting member 84 includes a first fastener 87, the number of the first fasteners 87 is 2, an isosceles trapezoidal plate 88 is slid between the first fasteners 87, the long side end face of the isosceles trapezoidal plate 88 is abutted against the epoxy resin lens 2, and a notch groove 89 is provided on the long side end face of the isosceles trapezoidal plate 88, a positioning bolt 90 is threadedly connected to the isosceles trapezoidal plate 88, and a second fastener 91 is sleeved on the positioning bolt 90, and the shape of the second fastener 91 is V-shaped. By rotating the positioning bolt 90, the second fastener 91 presses the isosceles trapezoidal plate 88, and then the isosceles trapezoidal plate 88 can fix the first heat sink 85 or the second heat sink 86.

[0060] like Fig.28As shown, as an optimization of the embodiment, the first heat sink 85 and the second heat sink 86 have an outer flange 92, and the outer flange 92 is adapted to the notch groove 89. The opposite surfaces of the first heat sink 85 and the second heat sink 86 have two cross grooves 93, and the cross groove 93 is adapted to the first insulating shell 82 and the second insulating shell 83. The first heat sink 85 and the second heat sink 86 have vertically arranged heat sinks 94 on their facing surfaces, and the heat sink 94 is provided with dividing grooves 95. The number of the dividing grooves 95 is 3, and the 3 dividing grooves 95 are located between the two cross grooves 93.

[0061] like Fig.29 and Fig.30 As shown, as an optimization of the embodiment, the opposite surfaces of the first heat sink 85 and the second heat sink 86 are provided with serpentine air flow channels 96, one end of the air flow channel 96 passes through the partition groove 95 of the first heat sink 85, and the other end of the air flow channel 96 passes through the partition groove 95 of the second heat sink 86, and the relative air flow channels 96 are connected through the eighth air supply pipe 97, and the air flow channel 96 located on the outermost side is connected to the seventh air supply pipe 51 through the ninth air supply pipe 98, and air is injected into the heat dissipation channel through the air supply component 50, and then the air is discharged through the air flow channel 96, and the flowing air can take away the heat from the anode 3 and the cathode 4, with high heat dissipation efficiency and good heat dissipation effect.

[0062] As an optimization of the embodiment, considering that the traditional resin material 19 has certain limitations in terms of brightness and color reproduction, rare earth elements are added to the resin material 19, and the rare earth elements include europium, terbium, and dysprosium rare earth elements, and the ratio of europium, terbium, and dysprosium rare earth elements is 36%, 40%, and 24%; the amount of rare earth elements added is 2.5% of the total weight of the resin material 19; the light-emitting diodes with added rare earth elements have the following advantages: 1. Improve brightness: Rare earth elements can enhance the luminous intensity of light-emitting diodes, making the screen of the all-in-one machine brighter. 2. Improve color reproduction: Rare earth elements can adjust the spectral distribution of light-emitting diodes to make colors more vivid and realistic. 3. Extend service life: Rare earth elements have good stability and antioxidant properties, which can increase the service life of light-emitting diodes.

[0063] like Fig.31 and Fig.32 As shown, as an optimization of the embodiment, the right side of the epoxy resin lens 2 is connected to a light guide plate 99, the side wall of the light guide plate 99 is connected to a shading paper 100, the left side of the epoxy resin lens 2 is connected to a reflective film 101, the bottom surface of the light guide plate 99 is connected to the reflective film 101, the top surface of the light guide plate 99 is connected to a lower diffusion film 102, the lower diffusion film 102 is connected to a brightening film 103, and the brightening film 103 is connected to an upper diffusion film 104, so that the light-emitting diodes form a backlight strip 105.

[0064] like Fig.33 As shown, further, an anti-blue light smart display blackboard using the above-mentioned rare earth light-emitting diode is proposed, including a back panel 106, and the inner cavity of the back panel 106 is provided with a backlight strip 105, a first liquid crystal gasket 107, a liquid crystal display screen 108, a second liquid crystal gasket 109, an anti-blue light film 110, and a front frame 111 from the inside to the outside. The dust-free blackboard will not produce any ink and dust when writing; no consumables are required, dust pollution is eliminated, and the health hazards posed by dust to teachers and students are eliminated; pure natural light reflection technology is used to present characters, there is no blue light, no electromagnetic radiation, and long-term viewing does not irritate the eyes, thereby protecting eyesight.

[0065] Although the present invention has been described in detail with reference to the aforementioned examples, it is still possible for those skilled in the art to make and modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rare earth light emitting diode, comprising a diode assembly (1), characterized in that: A plurality of diode assemblies (1) are arranged in a straight line at equal intervals, and the plurality of diode assemblies (1) are encapsulated by an epoxy resin lens (2); the diode assembly (1) comprises an anode (3) and a cathode (4); the waist of the anode (3) comprises a first limiting portion (5), the first limiting portion (5) is located outside the epoxy resin lens (2); the right side wall of the anode (3) comprises a right-angled triangle segment (6), the right-angled triangle segment (6) is located inside the epoxy resin lens (2); the right end face of the anode (3) is connected to a first wire (7); the waist of the cathode (4) comprises a second limiting portion (8), the second limiting portion (8) and the first limiting portion (5) are in contact with each other. ), the right side wall of the cathode (4) has a right-angled trapezoidal segment (9), and the inclined surface of the right-angled trapezoidal segment (9) and the inclined surface of the right-angled triangle segment (6) form an accommodation gap (10), the right end surface of the cathode (4) has a reflection bowl (11), a groove (12) is provided in the notch of the reflection bowl (11), a substrate (13) is provided in the groove (12), a layer of n-type semiconductor (14) is added on the substrate (13), a layer of p-type semiconductor (15) is added on the n-type semiconductor (14), the thickness of the p-type semiconductor (15) is less than the thickness of the n-type semiconductor (14), and a layer of A cutout (16) is provided, the cutout (16) exposes the n-type semiconductor (14), the n-type semiconductor (14) is used to connect the first wire (7), the p-type semiconductor (15) is connected to the right end face of the cathode (4) through the second wire (17), the inner wall of the reflective bowl (11) is coated with a reflective material (18), and the reflective bowl (11) is filled with a transparent resin material (19); the right side walls of the cathode (4) and the anode (3) are buckled with a first clamping plate (20) and a second clamping plate (21), the first clamping plate (20) has a first rectangular boss (22) and a first parallelogram boss (23), the first rectangular boss The first rectangular boss (22) is adapted to the right-angled triangle segment (6) and the right-angled trapezoid segment (9), and the first parallelogram boss (23) is adapted to the accommodation gap (10); the first rectangular boss (22) is provided with a guide column (24); the second clamping plate (21) has a second rectangular boss (25) and a second parallelogram boss (26), the second rectangular boss (25) is adapted to the right-angled triangle segment (6) and the right-angled trapezoid segment (9), and the second parallelogram boss (26) is adapted to the accommodation gap (10); the second rectangular boss (25) is provided with a guide groove (27), and the guide groove (27) is plug-fitted with the guide column (24).

2. A rare earth light emitting diode according to claim 1, characterized in that: The epoxy resin lens (2) is composed of a T-shaped segment (28) and a semicircular segment (29), wherein the semicircular segment (29) is used to diffuse the emitted light, and the T-shaped segment (28) is used to encapsulate the cathode (4) and the anode (3).

3. A rare earth light emitting diode according to claim 1, characterized in that: The end surface of the first rectangular boss (22) is provided with a first through hole (30) penetrating the first clamping plate (20); a first air supply pipe (31) is provided in the first through hole (30); the inner end of the first air supply pipe (31) is connected to a first blocking cover (32); the first air supply pipe (31) is connected to a second air supply pipe (33); the second air supply pipe (33) is composed of a first L-shaped section (34), a first oblique section (35), and a first U-shaped section (36); the first L-shaped section (34), the first oblique section (35), and the first U-shaped section (36) are connected in sequence from left to right; the first rectangular boss (22) is provided with a first through hole (30) communicating with the first clamping plate (20); ), the first L-shaped groove (37) being adapted to the first L-shaped section (34); a first inclined groove (38) being provided on the first parallelogram boss (23), the lower end of the first inclined groove (38) being connected to the horizontal section of the first L-shaped groove (37), the first inclined groove (38) being adapted to the first inclined section (35); a second through hole (39) penetrating the second clamping plate (21) being provided on the end surface of the second rectangular boss (25), a third gas supply pipe (40) being provided in the second through hole (39), the inner end of the third gas supply pipe (40) being connected to a second blocking cover (41); a fourth gas supply pipe (40) being connected to the third gas supply pipe (40); The air pipe (42) is composed of a second inverted L-shaped section (43), a second inclined section (44), and a second U-shaped section (45), and the second inverted L-shaped section (43), the second inclined section (44), and the second U-shaped section (45) are connected in sequence from left to right; a second inverted L-shaped groove (46) connected to the second through hole (39) is formed on the second rectangular boss (25), and the second inverted L-shaped groove (46) is adapted to the second inverted L-shaped section (43); a second inclined groove (47) is formed on the second parallelogram boss (26), and the lower end of the second inclined groove (47) is connected to the horizontal section of the second inverted L-shaped groove (46), and the second inclined groove (47) is connected to the horizontal section of the second inverted L-shaped groove (46). 7) is adapted to the second oblique section (44); the second U-shaped section (45) is inserted into and docked with the free ends of the first U-shaped section (36); the first air supply pipe (31) and the third air supply pipe (40) are connected to each other via a fifth air supply pipe (48); the third air supply pipe (40) located at the outermost side is connected to a sixth air supply pipe (49); the free end of the sixth air supply pipe (49) is located outside the epoxy resin lens (2); the sixth air supply pipe (49) is connected to an air supply assembly (50); the first air supply pipe (31) located at the outermost side is connected to a seventh air supply pipe (51); the free end of the seventh air supply pipe (51) is located outside the epoxy resin lens (2).

4. A rare earth light emitting diode according to claim 3, characterized in that: The air supply assembly (50) comprises a support base (52), the support base (52) being arranged on the side of the epoxy resin lens (2), and a housing (53) being arranged on the support base (52); the housing (53) being a cavity structure with a side opening, and a box cover (54) being arranged at the opening of the housing (53); an air inlet (55) being connected to the front side of the housing (53); an exhaust port (57) being connected to the rear side of the housing (53), and the exhaust port (57) being connected to a sixth air supply pipe (49); a positioning plate (58) being arranged in the housing (53), and a primary filter (59), a medium-efficiency filter (60), a high-efficiency filter (61), and an axial flow fan (62) being arranged on the positioning plate (58).

5. A rare earth light emitting diode according to claim 1, characterized in that: The outer side surface of the first clamping plate (20) is provided with a tapered opening (63), and the tapered opening (63) is located at the position of the first gas pipeline (31). The outer side surface of the second clamping plate (21) is provided with a tapered opening (63), and the tapered opening (63) is located at the position of the third gas pipeline (40). A pressing sleeve (64) is slidably connected to the tapered opening (63), and the pressing sleeve (64) is a circular ring structure. The pressing sleeve (64) is used to be sleeved on the first gas pipeline (31) or the third gas pipeline (40). The outer side wall of the pressing sleeve (64) is provided with an annular slope surface (65), and the annular slope surface (65) is provided with U-shaped notches (66) arranged at equal angles. The tapered opening (63) is threadedly connected with a pressing ring (67).

6. A rare earth light emitting diode according to claim 1, characterized in that: The guide column (24) has a countersunk hole (70) at its center, a column (71) is connected to the countersunk hole (70), a side wall of the column (71) is provided with a special-shaped spring (72), the special-shaped spring (72) comprising a first straight line segment (73), a first oblique line segment (74), an incomplete circular arc segment (75), a second oblique line segment (76), and a second straight line segment (77), wherein the first straight line segment (73), the first oblique line segment (74), the incomplete circular arc segment (75), the second oblique line segment (76), and the second straight line segment (77) are sequentially arranged from left to right. The first straight line segment (73) is connected to a first limiting column (78), the second straight line segment (77) is connected to a second limiting column (79), a side wall of the guide column (24) is provided with a light hole (80) through which the first limiting column (78) and the second limiting column (79) pass, the head ends of the first limiting column (78) and the second limiting column (79) are round-headed, and the head ends protrude outside the guide column (24); an annular groove (81) is provided in the guide groove (27), and the annular groove (81) is used to accommodate the first limiting column (78) and the second limiting column (79).

7. The rare earth light emitting diode according to claim 1, characterized in that: The first limiting portion (5) is sleeved with a first insulating shell (82), the number of the first insulating shells (82) being two, and the two first insulating shells (82) are butt-jointed; the second limiting portion (8) is sleeved with a second insulating shell (83), the number of the second insulating shells (83) being two, and the two second insulating shells (83) are butt-jointed; the T-shaped section (28) of the epoxy resin lens (2) is fixed with a first heat sink (85) via a connecting piece (84), the T-shaped section (28) of the epoxy resin lens (2) is fixed with a second heat sink (86) via a connecting piece (84), and the first heat sink (85) and the second heat sink (86) are buckled onto the first insulating shell (82) and the second insulating shell (83).

8. A rare earth light emitting diode according to claim 7, characterized in that: The connecting member (84) comprises a first fastener (87), the number of the first fasteners (87) being two, an isosceles trapezoidal plate (88) being slidably disposed between the first fasteners (87), the long side end face of the isosceles trapezoidal plate (88) being in contact with the epoxy resin lens (2), a notch groove (89) being provided on the long side end face of the isosceles trapezoidal plate (88), a positioning bolt (90) being threadedly connected to the isosceles trapezoidal plate (88), a second fastener (91) being sleeved on the positioning bolt (90), and the second fastener (91) being V-shaped.

9. The rare earth light emitting diode according to claim 1, characterized in that: The right side of the epoxy resin lens (2) is connected to a light guide plate (99), the side wall of the light guide plate (99) is connected to a light-shielding paper (100), the left side of the epoxy resin lens (2) is connected to a reflective film (101), the bottom surface of the light guide plate (99) is connected to the reflective film (101), the top surface of the light guide plate (99) is connected to a lower diffusion film (102), the lower diffusion film (102) is connected to a light-enhancing film (103), and the light-enhancing film (103) is connected to an upper diffusion film (104), so that the light-emitting diodes form a backlight strip (105).

10. A blue light protection smart display blackboard using the rare earth light emitting diode according to claim 9, comprising a back plate (106), characterized in that: The inner cavity of the back plate (106) is provided with a backlight strip (105), a first liquid crystal gasket (107), a liquid crystal display screen (108), a second liquid crystal gasket (109), an anti-blue light film (110), and a front frame (111) in sequence from the inside to the outside.

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