CN205334893U

CN205334893U - Take LED component, LED lamp strip and display screen at inclination

Info

Publication number: CN205334893U
Application number: CN201620047883.6U
Authority: CN
Inventors: 潘尚法
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-06-22
Anticipated expiration: 2026-01-19

Abstract

The utility model provides a take the LED component at inclination, LED lamp strip and display screen, its component parts is including the casing of area light cup, seal and glue, the pin, LED wafer and wire, the LED wafer is connected with the help of wire and pin, seal and glue the LED wafer, some of wire and pin encapsulates in the casing of area light cup, the luminous terminal surface of LED wafer, and the pin is in between the outer welding plane that the part formed of casing, there is a contained angle alpha, alpha is greater than 0 and is less than 90. The utility model discloses the biggest light intensity angle that has realized the LED component in the components and parts aspect has a down dip, has improved by the impression luminance of its dress of constituteing at the display screen of eminence to improve the energy -conserving effect of display screen, and make show that screen structure is simple, make and maintain by its LED who constitutes easy.

Description

LED element with angle, LED lamp bar and display screen

Technical field

This utility model relates to the structure of a kind of LED element, particularly relates to a kind of LED element structure with angle and the structure of the structure of the LED lamp bar being made up of it and display screen。

Background technology

In currently used LED element, the light emitting end surface (plane being namely normal with LED wafer largest light intensity direction) of wafer and its pin welds plane or (can regard angle as is 0 °) parallel to each other or orthogonal (namely angle is 90 °)。Fig. 1 is conventional LED element structural representation, referring to Fig. 1, the light emitting end surface 18 of LED wafer 14 and pin 13 to weld plane 17 parallel to each other。Chinese patent document CN201576681U discloses " a kind of LED packaging structure with lateral surface emitting light ", Fig. 2 is its schematic diagram, referring to Fig. 2, its claim is expressed, and the light emitting end surface 18 of LED wafer 14 (omitting in artwork) welds plane 17 orthogonal (namely angle is 90 °) with pin 13。Fig. 3 is the distribution curve flux figure (i.e. curve of light distribution figure) of a kind of typical LED element, and referring to Fig. 3, it is possible to learn, the upper relative light intensity in 0 ° of direction (i.e. the normal direction of light emitting end surface) of distribution curve flux is maximum, is 100%。Above-mentioned two class LED element are welded respectively when display screen, and the normal direction of its light emitting end surface is general all in horizontal direction。Owing to display screen is loaded on eminence more, if for the distribution curve flux of Fig. 3, when people look up viewing, looking up relative light intensity when 30 ° is 81.3%, and looking up relative light intensity when 45 ° is 62.1%, looks up the more big relative light intensity of angle more little, i.e. brightness perception is more dark。Therefore, how to make full use of the largest light intensity visual angle of LED element, improve the brightness perception filling pinnacled LED display, and simple in construction, manufacture and maintenance are easy, be technical staff's problem of doing one's utmost to solve。

Chinese patent document CN204516794U discloses " a kind of Surface Mount LED ", Fig. 4 is its schematic diagram, referring to Fig. 4, it is mainly characterized by LED wafer 14 position and has a down dip an angle higher than Guang Bei 19 center and light cup rim of a cup end face 201, and the light emitting end surface of LED wafer 14 is still parallel with the solder side of pin 13, the maximum direction of relative light intensity does not have a down dip。Although this brightness perception that has a down dip being likely to improve this Surface Mount LED, but with the distribution curve flux law-analysing of LED element, still have the place of improvement。

Utility model content

The technical problems to be solved in the utility model is how to make full use of the largest light intensity visual angle of LED element, improves the brightness perception filling pinnacled LED display, and simple in construction, manufacture and maintenance are easy。

In order to solve above-mentioned technical problem, first technical scheme of the present utility model there is provided a kind of LED element with angle, its ingredient includes with the housing of light cup, sealing, pin, LED wafer and wire, LED wafer is connected with pin by wire, a part for LED wafer, wire and pin is packaged in the housing with light cup by sealing, the light emitting end surface of LED wafer, what the part being in outside housing with pin was formed welds between plane, have an angle α, α more than 0 ° less than 90 °。

Preferably, suitably bending described pin, make to be installed on the light emitting end surface of the described LED wafer of pin one end, described with the formation of the pin other end welds plane, presents described angle α。

Preferably, described welding plane is positioned at the side of described housing, or is positioned at the back side of described housing。

Second technical scheme of the present utility model there is provided a kind of LED lamp bar with angle, and its ingredient includes LED element and pcb board, and LED element is single be welded on pcb board, and described LED element is above-mentioned LED element with angle。

3rd technical scheme of the present utility model there is provided a kind of LED display with angle, and its ingredient includes above-mentioned LED element with angle, or includes above-mentioned LED lamp bar with angle。

The beneficial effects of the utility model are: LED element with angle achieves the largest light intensity angle of LED element and has a down dip, improve consisting of the perception brightness filling pinnacled display screen, thus improving the energy-saving effect of display screen。Further, the largest light intensity angle of LED element with angle has a down dip and realizes in components and parts aspect, and the design of former display screen mature structure just can directly be applied without bigger amendment；Make display screen largest light intensity angle have a down dip equally, select use this utility model can simple in construction, manufacture and maintenance easy。

Accompanying drawing explanation

Fig. 1 is a kind of light emitting end surface and the LED element structural representation that solder side angle is 0 °；

Fig. 2 is a kind of light emitting end surface and the LED element structural representation that solder side angle is 90 °；

Fig. 3 is the distribution curve flux figure of a kind of typical LED element；

Fig. 4 is the structural representation of a kind of Surface Mount LED；

Fig. 5 is the structural representation (sectional view) of this utility model embodiment 1；

Fig. 6 is the structural representation (front view) of this utility model embodiment 1；

Fig. 7 be this utility model embodiment 1 realize step 1-4 schematic diagram；

Fig. 8 be this utility model embodiment 1 realize step 5-7 schematic diagram；

Fig. 9 is the structural representation (sectional view) of this utility model embodiment 2；

Figure 10 is the pin schematic diagram (axonometric chart) of this utility model embodiment 2；

Figure 11 is the structural representation (axonometric chart) of this utility model embodiment 3；

Figure 12 is the structural representation (three-dimensional exploded view) of this utility model embodiment 3；

Figure 13 is the structural representation of this utility model embodiment 4；

Accompanying drawing main mark explanation

The LED element that 1-is with angle；The LED lamp bar that 2-is with angle；LED display unit box with angle for 3-；11-housing；12-sealing；13-pin；14-LED wafer；15-wire；16-PCB plate；17-welds plane；18-light emitting end surface；19-light cup。

Detailed description of the invention

For making this utility model become apparent, hereby with preferred embodiment, and it is as follows to coordinate accompanying drawing to explain。It should be noted that following example are not limited to this utility model, any amendment made without departing from spirit and scope of the present utility model, be included in scope of patent protection of the present utility model。Protection domain of the present utility model is as the criterion with the maximum magnitude of the inventive features that claims define。

Embodiment 1

The sectional view of Fig. 5 and Fig. 6 respectively structural representation of embodiment 1 and front view。Refer to Fig. 5 and Fig. 6, embodiment 1 is a kind of LED element 1 with angle, its ingredient includes the plastic casing 11 with light cup 19, sealing 12, pin 13, LED wafer 14 and wire 15, LED wafer 14 is connected with pin 13 by wire 15, a part for LED wafer 14, wire 15 and pin 13 is packaged in the housing 11 with light cup 19 by sealing 12, the light emitting end surface 18 (plane being namely normal with LED wafer largest light intensity direction) of LED wafer 14, with LED element 1 outside weld between plane 17, have an angle α, α more than 0 ° less than 90 °。Three difference of the interior loading of the LED element of embodiment 1 are rubescent, green, the LED wafer of blue light；As equivalent selection, it is also possible to load the LED wafer of other quantity。6 pins of the LED element of embodiment 1 and the welding plane formed by it are entirely located in the side of housing 11。By suitably bending pin, make to be installed on the light emitting end surface 18 of the LED wafer of pin one end, with the pin other end formed weld plane 17 (i.e. the welding plane of LED element 1 side), define angle α, for instance, make α=75 °。If this element is welded on the pcb board 16 of horizontal direction, its largest light intensity direction has just had a down dip β angle, it is possible to know by inference ,-α=15 °, β=90 °。

The one that Fig. 7 and Fig. 8 is embodiment 1 realizes process schematic。Refer to Fig. 7 and Fig. 8。

Step 1: punch out pin, the present embodiment 1 is 6 pins；

Step 2: with the plastic casing injection molded of light cup, makes pin implant in housing；

Step 3: the die-cut pin adhesion end removing the right, now housing is still support (upper, left, below each 2 metallic projections) by some metallic projections；

Step 4: be a step of most critical, by bending α angle clockwise for pin；

Step 5: bending pin makes its redundance fold into housing back cavity again, the welding plane that at this moment pin of housing side is constituted has been α angle with the pin in its housing and LED wafer fixed pan；

Step 6: the enclosure interior that the LED wafer of three different glow colors red, green, blue is fixed on pin divided, keeps the light emitting end surface parallel with the fixed pan of wafer (this is industry basic fundamental) of wafer during die bond；Respectively the positive and negative electrode wire of wafer is welded on each self-corresponding pin again；Perfusion sealing；

Step 7: demoulding finished product。

Embodiment 2

The structural section schematic diagram of Fig. 9 and Figure 10 respectively embodiment 2 and its pin schematic perspective view。Refer to Fig. 9 and Figure 10, embodiment 2 is another kind of LED element with angle, its ingredient includes the plastic casing 11 with light cup 19, sealing 12, pin 13, LED wafer 14 and wire 15, LED wafer 14 is connected with pin 13 by wire 15, a part for LED wafer 14, wire 15 and pin 13 is packaged in the housing 11 with light cup 19 by sealing 12, the light emitting end surface 18 of LED wafer 14, with LED element outside weld between plane 17, have an angle α, α more than 0 ° less than 90 °。Three difference of the interior loading of the LED element of embodiment 2 are rubescent, green, the LED wafer of blue light；As equivalent selection, it is also possible to load the LED wafer of other quantity。As different from Example 1,6 pins of the LED element of embodiment 2 and the welding plane that formed by it are positioned at the back side (after namely) of housing 11。By suitably bending pin, make to be installed on the light emitting end surface 18 of the LED wafer of pin one end, with the pin other end formed weld plane 17 (i.e. the welding plane at the LED element back side), define angle α。If this element is welded on the pcb board of vertical direction, its largest light intensity direction has just had a down dip β angle, it is possible to know by inference, β=α。

Embodiment 3

The axonometric chart of Figure 11 and Figure 12 respectively structural representation of embodiment 3 and three-dimensional exploded view。Refer to Figure 11 and Figure 12, embodiment 3 is a kind of LED lamp bar 2 with angle, its key component includes LED element 1 and pcb board 25, LED element 1 is arranged in a row and is welded on pcb board 25, this LED element 1 is LED element with angle as described in Example 1, and lateral leads is welded on pcb board 25, not only makes LED element largest light intensity direction have a down dip, and making LED lamp bar thinner, the hollow out display screen (lamp bar screen) being therefore made up of this LED lamp bar is empty, and rate is higher thoroughly。

With continued reference to Figure 11 and Figure 12, pcb board 25 is welded with LED element 1, controls device 23, weld nuts 26, signal in order to strengthen pcb board 25 inputs, the mechanical strength of output place, and the impact on pcb board 25 of the plug power of minimizing circuit connector 24 also add 2 and strengthens pcb boards 29。The concrete installation steps of LED lamp bar 2 are as follows: first paste one layer of insulation one side glue 28 in upper encloser 22 inside top, again pcb board 25 component side is loaded upper encloser down, and make LED element 1 with angle and window 221 Tong Bu align to install, it is screwed into the weld nuts 26 pcb board 25 again from top with screw 27, pcb board 25 is made to fix with upper encloser 22, the tongue 222 of upper encloser 22 is inserted the slot 212 of lower drain pan 21, the tongue 211 simultaneously descending drain pan is also inserted into the slot 223 of upper encloser, then with together with lower drain pan is screwed in by screw 27 from the bottom up with pcb board 25。

As equivalent selection, it is possible to use the LED element with angle described in embodiment 2, being welded on pcb board 25 by its back side, pcb board 25 is installed by level and is changed right angle setting into simultaneously, constitutes LED lamp bar with angle。

Embodiment 4

Figure 13 is the structural representation of embodiment 4。Referring to Figure 13, embodiment 4 is a kind of LED display unit box 3 with angle, it is possible to constituted LED display with angle by its combination。This unit box key component includes, at least four LED lamp bar 2 with angle as described in Example 3, upper side frame 33, left frame 31, left frame 32 and lower frame 34, data receiver card 331 and Switching Power Supply 332 are set in upper side frame 33, in left frame 31, left frame 32, are all provided with data distribution plate 311。

As equivalent selection, on the pcb board that directly can also be welded in display screen unit casing horizontally or vertically to install the LED element with angle described in embodiment 1 or embodiment 2, with the LED lamp bar at this alternative belt inclination angle, then constituted LED display with angle by the combination of this unit box。

Obviously, the LED element with angle that this utility model is implemented achieves the largest light intensity angle of LED element and has a down dip, improve consisting of the perception brightness filling pinnacled display screen, thus improving the energy-saving effect of display screen。Such as, if similar Fig. 3 of distribution curve flux figure of embodiment 1, and set largest light intensity angle and have a down dip 15 °, then looking up relative light intensity when 30 ° is 94.7%, looking up relative light intensity when 45 ° is 81.3%, and compared with the effect of the distribution curve flux figure of Fig. 3, perception brightness has been respectively increased 16.5% and 30.9%。

Claims

1. LED element one kind with angle, its ingredient includes the housing (11) with light cup (19), sealing (12), pin (13), LED wafer (14) and wire (15), LED wafer is connected with pin by wire, a part for LED wafer, wire and pin is packaged in the housing with light cup by sealing, it is characterized in that: the light emitting end surface (18) of LED wafer (14), what be in pin (13) that housing (11) part outward formed welds between plane (17), have an angle α, α more than 0 ° less than 90 °。

2. LED element with angle as claimed in claim 1, it is characterized in that: bend described pin (13), make to be installed on the light emitting end surface (18) of the described LED wafer (14) of pin (13) one end, described with the formation of pin (13) other end welds plane (17), presents described angle α。

3. LED element with angle as claimed in claim 1 or 2, it is characterised in that: described welding plane (17) is positioned at the side of described housing (11), or is positioned at the back side of described housing (11)。

4. LED lamp bar one kind with angle, its ingredient includes LED element (1) and pcb board (25), LED element is single be welded on pcb board, it is characterised in that: described LED element (1) is the LED element with angle as described in any one of claims 1 to 3。

5. LED display one kind with angle, it is characterised in that: its ingredient includes the LED element with angle as described in any one of claims 1 to 3, or includes LED lamp bar with angle as claimed in claim 4。