Side light-emitting direct insertion type LED and LED light-emitting assembly

Abstract

The utility model discloses a side light-emitting in-line LED and LED light-emitting assembly, the side light-emitting in-line LED comprises a light-emitting wafer, a light guide colloid, a shading housing and a plurality of straight pins, the light-emitting wafer is welded on the end face of the straight pins, the light guide colloid wraps the light-emitting wafer and the end portion of the straight pins connected with one end of the light-emitting wafer; the vertical height of the light guide colloid is smaller than the horizontal length of the light guide colloid, one side face of the light guide colloid is a light emitting face, and the pins are arranged away from the light emitting face; the shading shell is arranged on the light guide colloid in a sleeving mode, and a light outlet of the shading shell corresponds to the light outlet face. When the side-emitting direct-insertion type LED is used at an application end, the pins do not need to be bent, so that the assembly efficiency is high, and the bad risk of the bent pins to the direct-insertion lamp is directly avoided; the light guide colloid is small in size, flat in shape and easy to design and use at an application end. The pins of the side-emitting direct-insertion type LED do not occupy the space on a board.

Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, in particular to a side-emitting direct-plug LED and an LED light-emitting component. Background Art

[0002] With the continuous advancement of LED technology, direct-plug LEDs are widely used in products in the fields of household appliances, communication equipment, computers, and fire-fighting equipment. The main uses of direct-plug LEDs are indication and backlighting. In recent years, clients have continuously put forward new requirements for the application of direct-plug LEDs. For example, if light is required to be emitted from the side, the current common practice is to bend the pin 10 90 degrees, so that the lamp head faces forward, and the pin 10 is inserted into the solder hole of the circuit board 5 downward (such as Figure 1 However, the bending process is cumbersome, affects reliability, and also wastes a lot of board space on the application side. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a side-emitting direct-plug LED without bending pins and an LED lighting component having the side-emitting direct-plug LED.

[0004] In order to solve the above technical problems, the first technical solution adopted by the utility model is: a side-emitting straight-plug LED, comprising a light-emitting chip, a light-guiding colloid, a light-shielding shell and a plurality of straight pins, the light-emitting chip is welded on the end faces of the straight pins, the light-guiding colloid covers the light-emitting chip and the end portions of the straight pins connected to one end of the light-emitting chip; the vertical height of the light-guiding colloid is smaller than the horizontal length of the light-guiding colloid, one side surface of the light-guiding colloid is a light-emitting surface, and the pins are arranged away from the light-emitting surface; the light-shielding shell is sleeved on the light-guiding colloid, and the light outlet of the light-shielding shell is arranged corresponding to the light-emitting surface.

[0005] In one embodiment, the light shielding shell is made of plastic.

[0006] In one embodiment, a first limiting structure is provided on the light-shielding housing, and a second limiting structure matching the first limiting structure is provided on the light-guiding colloid.

[0007] In one embodiment, the first limiting structure is a limiting groove, and the second limiting structure is a limiting block; or, the first limiting structure is a limiting block, and the second limiting structure is a limiting groove.

[0008] In one embodiment, an anti-fouling protrusion is provided on the edge of the light-guiding colloid.

[0009] In order to solve the above technical problems, the second technical solution adopted by the present invention is: an LED light-emitting component, including the above-mentioned side-emitting direct-plug LED.

[0010] In one embodiment, a circuit board is further included, wherein the circuit board is provided with a socket, the straight pin is inserted into the socket from the front side of the circuit board, and the straight pin is fixedly connected to the circuit board at the back side of the circuit board by soldering.

[0011] The beneficial effects of the utility model are: when the side-emitting direct-plug LED is used at the application end, there is no need to bend the pins, the assembly efficiency is high, and the adverse risks of bending the pins to the direct-plug lamp are directly avoided; the light-guiding colloid is small in size and flat in shape, which is easy to design and use at the application end. In addition, the pins of the side-emitting direct-plug LED have no bending area, so the pins do not occupy board space. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0013] Figure 1 It is a simplified schematic diagram of the structure of a side-emitting direct-plug LED in the prior art;

[0014] Figure 2 This is a simplified schematic diagram of the structure of a side-emitting direct-plug LED according to the first embodiment of the present utility model;

[0015] Figure 3 It is a top view of the side-emitting direct-plug LED of the first embodiment of the utility model;

[0016] Figure 4 It is a cross-sectional view of the LED light-emitting assembly according to the first embodiment of the present utility model.

[0017] Description of Figure Numbers:

[0018] 1. Light-emitting chip;

[0019] 2. Light-guiding colloid; 21. Anti-fool bump;

[0020] 3. Light-shielding shell;

[0021] 4. Straight pins;

[0022] 5. Circuit board;

[0023] 6. Solder;

[0024] 10. Pins. DETAILED DESCRIPTION

[0025] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0029] In addition, if the meaning of "and / or" appears in the full text is to include three parallel solutions, taking "and / or" as an example, it includes solutions, or solutions, or solutions that are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0030] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Embodiment 1

[0032] Please refer to Figures 2 to 4, Embodiment 1 of the present utility model is: a side-emitting straight-plug LED, comprising a light-emitting chip 1, a light-guiding colloid 2, a light-shielding shell 3 and a plurality of straight pins 4, wherein the light-emitting chip 1 is welded on the end surface of the straight pins 4, the light-guiding colloid 2 covers the light-emitting chip 1 and the straight pins 4 are connected to the end of one end of the light-emitting chip 1; the vertical height of the light-guiding colloid 2 is smaller than the horizontal length of the light-guiding colloid 2, one side of the light-guiding colloid 2 is a light-emitting surface, and the pins are arranged away from the light-emitting surface, so that the light-guiding colloid 2 can better guide light, thereby improving the uniformity of light emission; the light-shielding shell 3 is sleeved on the light-guiding colloid 2, and the light outlet of the light-shielding shell 3 is arranged corresponding to the light-emitting surface.

[0033] The light emitting chip 1 is generally in a rectangular shape, and at least one side of the light emitting chip 1 close to the light emitting surface emits light. In actual products, the light emitting chip 1 can be a light emitting body with five surfaces emitting light except the bottom surface.

[0034] In order to reduce the overall height of the side-emitting through-hole LED, the light-emitting chip 1 is preferably disposed close to the top of the light-guiding colloid 2 .

[0035] The light shielding shell 3 is made of plastic or other opaque materials. In this embodiment, the light shielding shell 3 is in a cap shape as a whole and has only one lateral light outlet.

[0036] The light shielding housing 3 is provided with a first limiting structure, and the light guide colloid 2 is provided with a second limiting structure that matches the first limiting structure; when the first limiting structure is a limiting groove, the second limiting structure is a limiting block, and when the first limiting structure is a limiting block, the second limiting structure is a limiting groove. The cooperation between the first limiting structure and the second limiting structure can improve the structural stability of the side-emitting direct-plug LED.

[0037] The edge of the light-guiding colloid 2 is provided with an anti-foolproof protrusion 21, and the setting of the anti-foolproof protrusion 21 can prevent the side-emitting direct-plug LED from being installed upside down. Preferably, the anti-foolproof protrusion 21 and the light-guiding colloid 2 are an integrated structure integrally processed and formed. In other words, the anti-foolproof protrusion 21 can be considered as a partial area of ​​the light-guiding colloid 2.

[0038] As a preferred embodiment, the light-guiding colloid 2 is made of a misty colloid, which can make the light emission more uniform.

[0039] The present embodiment also provides an LED light-emitting component, which includes the above-mentioned side-emitting straight-plug LED and a circuit board 5. The circuit board 5 is provided with a socket, and the straight pin 4 is inserted into the socket from the front side of the circuit board 5, and one end of the straight pin 4 away from the light-guiding colloid 2 protrudes relative to the back side of the circuit board 5. The straight pin 4 is fixedly connected to the circuit board 5 on the back side of the circuit board 5 through solder 6 to achieve electrical connection.

[0040] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A side-emitting direct-plug LED, characterized in that: It includes a light-emitting chip, a light-guiding colloid, a light-shielding shell and a plurality of straight pins, the light-emitting chip is welded on the end faces of the straight pins, the light-guiding colloid covers the light-emitting chip and the straight pins are connected to the ends of one end of the light-emitting chip; the vertical height of the light-guiding colloid is smaller than the horizontal length of the light-guiding colloid, one side face of the light-guiding colloid is a light-emitting surface, and the pins are arranged away from the light-emitting surface; the light-shielding shell is sleeved on the light-guiding colloid, and the light outlet of the light-shielding shell is arranged corresponding to the light-emitting surface.

2. The side-emitting direct-plug LED according to claim 1, characterized in that: The material of the light-shielding shell is plastic.

3. The side-emitting direct-plug LED according to claim 1, characterized in that: The light-shielding housing is provided with a first limiting structure, and the light-guiding colloid is provided with a second limiting structure matched with the first limiting structure.

4. The side-emitting direct-plug LED according to claim 3, characterized in that: The first limiting structure is a limiting groove, and the second limiting structure is a limiting block; or, the first limiting structure is a limiting block, and the second limiting structure is a limiting groove.

5. The side-emitting direct-plug LED according to claim 1, characterized in that: The edge of the light-guiding colloid is provided with a fool-proof protrusion.

6. LED light emitting assembly, characterized in that: The invention comprises the side-emitting direct-plug LED as described in any one of claims 1 to 5.

7. The LED lighting assembly according to claim 6, characterized in that: It also includes a circuit board, which is provided with a socket. The straight pin is inserted into the socket from the front side of the circuit board, and the straight pin is fixedly connected to the circuit board at the back side of the circuit board by soldering.

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