TWI383522B - Light - emitting device package bracket structure and package module - Google Patents

Description

Light-emitting device package support structure and package module thereof

The present invention relates to a light-emitting device package support structure and a package module thereof, and more particularly to a light-emitting device package support structure having a plurality of sets of inclined surface groups and which can increase luminous efficiency.

The existing LED assembly, as shown in FIG. 10, substantially includes a body (40) and at least one light emitting diode (LED) disposed on the body (40). A reflecting surface (42) is formed on the body (40) for reflecting the light emitted by the light emitting diode (50), so that the light emitting brightness and efficiency of the light emitting diode (50) can be improved.

However, the reflecting surface (42) of the existing body (40) is a single angle inclined surface. As shown in FIG. 11, it can only provide a fixed reflection angle of light, and therefore, after the light is reflected, The concentration of light is not good, and the light is scattered due to the difference in reflection height, which in turn causes the brightness of the light to become weaker.

In addition, the Taiwanese new M318188 "Light Emitting Diode" patent (hereinafter referred to as the reference case), as shown in Fig. 12, discloses that a reflective sidewall (62) is formed on a casing (60). The reflection sidewall (62) is formed with a plurality of different inclination angles from the bottom to the mouth, respectively, but the reference has only one set of reflective sidewalls (62) composed of three slopes, so the reference case The luminous energy enhancement effect that can be provided is still limited, so the luminous efficiency of the existing light-emitting diode assembly still cannot meet the demand, and further improvement is needed.

Therefore, the present inventors have finally developed a present invention which can improve the existing defects, in view of the lack of structure and use of the conventional light-emitting device package.

The main object of the present invention is to provide a light-emitting device package support structure and a package module thereof, which can provide different reflection angles and generate a redistribution effect on the light emitted by the light-emitting elements, so as to improve the luminous efficiency of the light-emitting elements. Target person.

In order to achieve the above object, the present invention mainly provides a light-emitting device package support structure, comprising: a bracket having a base portion and a plurality of conductive pins away from the base portion; and a body having a concave recess portion The system surrounds the bracket such that the base of the bracket is exposed by the recess, and the conductive pins protrude from the outside of the body, and the side wall of the recess is provided with a reflecting surface composed of a plurality of sets of inclined faces, each of which The group of beveled groups consists of a plurality of bevels.

The invention further provides a package module for a light-emitting device, comprising: a bracket having a base and a plurality of conductive pins away from the base; and a body having a concave recess, the system surrounding the bracket The base of the bracket is exposed by the recess, and the conductive pins protrude from the outside of the body, and the side wall of the recess is provided with a reflecting surface formed by a plurality of sets of inclined faces, wherein each set of inclined faces is composed of a plurality of inclined faces; at least one light-emitting element disposed on the bracket and electrically connected to the bracket; and an encapsulant filled in the body recess and sealing the at least one light-emitting element.

According to the above technical means, the present invention can make the light reflect different angles by a plurality of sets of inclined faces with different inclination angles, and the light can achieve the concentrated effect with the difference of the high and low positions of the reflection, and at the same time, The light can be redistributed in different paths to partially overlap the light to improve the luminous efficiency of the light-emitting element.

The invention provides a light-emitting device package support structure and a package module thereof. Please refer to the first and second figures. As can be seen from the figure, the support structure of the present invention mainly comprises a support (20) and a body (10). The bracket (20) has a base portion (22) and a plurality of conductive pins (24) remote from the base portion (20), the body (10) having a concave recess (11), the body (10) The upper surface of the base (22) of the bracket (20) is exposed by the opening of the recess (11) around the bracket (20), and is the recess of the body (10) on the base (22) of the bracket (20) ( 11) a light source setting surface (222) is formed around the surrounding area, and the conductive pins (24) protrude from the outside of the body (10), and the side wall of the recess (11) of the body (10) includes a setting a reflecting surface (12) around the light source seating surface (222), and the reflecting surface (12) is composed of a plurality of sets of inclined surfaces, each set of inclined surfaces being composed of a plurality of inclined surfaces (13, 14). In order to reflect the light emitted by the light-emitting element (30), in this embodiment, each set of bevel sets is composed of two inclined faces of different angles.

After the chip is packaged, at least one light emitting element (30) is disposed on the bracket (20), wherein each of the light emitting elements (30) can be a light emitting diode, and the light emitting element (30) and the bracket (20) The wires (23) are disposed between the bases (22) to be electrically connected to each other, and the recesses (11) of the body (10) are also filled with a sealing colloid for sealing the light-emitting elements (30) and the wires (23) therein. A package module of a light emitting device.

Referring to the third figure, it can be seen that the reflecting surface (12) of the body (10) can form one to several reflecting areas (122) according to the shape of the light source setting surface (222), for example, if the light source The shape of the placement surface (222) is circular, and the reflection surface (12) is formed by a reflection area (122) surrounded by a circular arc. If the light source placement surface (222) is a quadrangle as shown in the first figure, The reflecting surface (12) is composed of four reflecting regions (122), and each reflecting region (122) is composed of a plurality of sets of inclined groups, wherein each set of inclined groups can be included as shown Two inclined faces (13, 14) connected to each other, and the inclined angles of the two inclined faces (13, 14) are different from each other and are gradually increased from the bottom upward, that is, the inclined face (14) located above is inclined more than the lower inclined face (13) The angle of inclination of each of the slopes (13, 14) is the angle (α, β) between the slopes (13, 14) and a vertical plane, and the vertical plane is a plane perpendicular to the light source seating surface (222) .

The angle of inclination of the two inclined faces (13A, 14A) of each set of inclined faces of the reflecting surface (12A) can also be as shown in the fourth figure, which is gradually decreased from the bottom upward, that is, the inclined angle (βA) of the upper inclined surface (βA). ) is smaller than the inclination angle (α') of the lower slope (13A).

In addition, the difference of the inclination angle range of the two adjacent slopes (13, 14/13A, 14A) of each group is between 1 and 5 times, wherein the difference of the inclination angle range refers to the multiple of the adjacent two inclination angles. The inclined angles (13, 14/13A, 14A) of the other reflective regions (122) may be differently designed. As shown in the fifth to seventh embodiments, another embodiment of the present invention, wherein the light source is disposed ( 222) is a rectangle, and the inclined surface (131B, 141B) of each group of the long side reflection area (122B) surrounding the reflecting surface (12B) is inclined at an angle of 2° and 7°, respectively, and the two inclined surfaces (131B, 141B) The inclination angle range difference is 7/2=3.5 times, and the short side reflection area (123B) each group of slopes (13B, 14B) are inclined angles of 7° and 28°, respectively, and the two slopes (13B, 14B) The difference in the tilt angle range is 28/7 = 4 times.

Each set of bevel sets of the present invention may also be composed of more than three bevels. For example, when the slanting group is three sets, the calculation of the difference of the inclination angle range is divided by the adjacent first and second inclined surfaces and the adjacent second and third inclined surfaces, respectively.

Moreover, the arrangement of the multi-bevel set on the reflecting surface of the present invention is not limited to the whole circumference and the continuous type, and the reflecting surface (12) of the main body (10) can constitute one to several reflecting areas (122) as needed, as long as It is within the scope of the present invention to be able to increase the light distribution energy and effectively increase the light output efficiency by setting the multi-bevel set. The reflecting surface (12B) may be in the form of a full-circle multi-slope as shown in the fifth to seventh figures, that is, the respective reflecting regions (122B, 123B) are connected to each other; and the reflecting surface (12C) may also be as shown in the ninth drawing. As shown, the reflection regions are arranged at intervals, that is, a spacer (124) is formed between each adjacent reflection region (122C, 123C) without a slope. In addition, the reflecting surface (12C) may be composed of a pair of opposite long-side multi-bevel reflecting regions (122C), or the reflecting surface (12C) may be composed of a pair of opposite short-side multi-bevel reflecting regions (123C). The form of the composition.

In this way, by using the reflecting surface (12, 12A, 12B, 12C) to be inclined at different tilt angles, please refer to the eighth figure, and the light emitted by the light-emitting element (30) can be reflected at different angles to allow light to be transmitted. With the height of different reflection positions, the effect of concentrating the light source is achieved, and at the same time, the light can be redistributed in different paths so that some of the light beams overlap each other, thereby improving the luminous efficiency of the light-emitting element (30). As a result of actual experiments by the inventors, with the multiple reflection effect of the reflecting surface (12) of the present invention, the maximum illuminance value of light can be effectively increased by 7.6%, and the maximum light intensity can be increased by 6.6%. Compared with the general LED industry, the illuminance and light intensity increase by 3~5% is the demand satisfaction point, and the structural design of the invention has extremely high efficiency for improving the luminous efficiency.

Moreover, the reflecting surface (12, 12A, 12B, 12C) composed of a plurality of sets of inclined groups of the present invention can be applied to the light emitting diode in addition to the single light emitting element package module as shown in the figure. The lamp tube or the backlight module and the like can improve the practicability of the present invention.

It is apparent that the various modifications and changes can be made without departing from the spirit and novel concept of the invention, and the specific embodiments disclosed herein are not intended to limit the invention. All modifications in the scope of the appended patent application.

(10). . . Ontology

(11). . . Concave

(12, 12A, 12B, 12C). . . Reflective surface

(122, 122B, 123B, 122C, 123C). . . Reflection zone

(124). . . Spacer

(13, 13A, 13B, 131B, 14, 14A, 14B, 141B). . . Bevel

(20). . . support

(twenty two). . . Base

(222). . . Light source placement surface

(twenty three). . . wire

(twenty four). . . Conductive pin

(30). . . Light-emitting element

(40). . . Ontology

(42). . . Reflective surface

(50). . . Light-emitting diode

(60). . . case

(62). . . Reflecting sidewall

The first figure is a perspective view of the first embodiment of the present invention.

The second drawing is a partial cross-sectional view of a first embodiment of the present invention.

The third drawing is a partially enlarged cross-sectional view of the first embodiment of the present invention.

Figure 4 is a partially enlarged cross-sectional view showing a second embodiment of the present invention.

The fifth drawing is a perspective view of a third embodiment of the present invention.

Figure 6 is a partial cross-sectional view showing a third embodiment of the present invention.

Figure 7 is an enlarged partial cross-sectional view showing a third embodiment of the present invention.

The eighth figure is a schematic view of the optical path reflection of the first embodiment of the present invention.

Figure 9 is a perspective view showing a perspective view of a fourth embodiment of the present invention.

The tenth figure is a partial perspective sectional view of a conventional light-emitting device package support structure.

The eleventh figure is a schematic diagram of the optical path reflection of the existing light-emitting device package support structure.

The twelfth figure is a schematic diagram of the optical path reflection of the package structure of the light-emitting device package of the prior reference.

(10). . . Ontology

(11). . . Concave

(12). . . Reflective surface

(122). . . Reflection zone

(13). . . Bevel

(14). . . Bevel

(twenty two). . . Base

(twenty three). . . wire

(twenty four). . . Conductive pin

(30). . . Light-emitting element

Claims (38)

A light-emitting device package support structure comprising: a bracket having a base and a plurality of conductive pins remote from the base; and a body having a concave recess, the system surrounding the base of the bracket The concave portion is exposed, and the conductive pins protrude from the outside of the body, and the side wall of the concave portion is provided with a reflecting surface formed by a plurality of sets of inclined faces, wherein each set of inclined faces is composed of a plurality of inclined faces . The illuminating device package support structure of claim 1, wherein the reflecting surface comprises at least one reflective area, and each of the reflective areas is formed by a plurality of sets of slanted groups. The illuminating device package support structure according to claim 1 or 2, wherein each set of slanting faces comprises two inclined faces having different inclination angles. The light-emitting device package support structure according to claim 3, wherein the inclined angles of the two inclined faces of each set of the inclined face groups are gradually increased from the bottom. The illuminating device package bracket structure according to claim 4, wherein the multiple values of the two inclined faces of each set of slanting faces are a range of inclination angle ranges, and the range of the inclination angle ranges from 1 to 5 times. between. The illuminating device package support structure according to claim 5, wherein the base of the bracket is formed by a recessed portion of the body, and a light source mounting surface for arranging the light-emitting element is formed, and the reflective surface surrounds the light source. Place around the surface. The light-emitting device package support structure according to claim 6, wherein the light source placement surface is quadrangular, and the reflective bread comprises four reflection regions. The illuminating device package bracket structure according to claim 7, wherein the reflecting surface is in a configuration in which a plurality of slopes are provided in a full circumference. The light-emitting device package support structure according to claim 8, wherein the inclined angles of the inclined surfaces of the reflective surfaces of the reflective surface are differently designed. The light-emitting device package support structure according to claim 9, wherein the light source installation surface has a rectangular shape, and the oblique angles of the two inclined surfaces of each set of inclined surface groups of the long-side reflection area of the reflective surface surrounded by a rectangle are respectively It is 2° and 7°, and the inclination angles of the two inclined faces of each set of inclined faces of the short-side reflection zone are 7° and 28°, respectively. The illuminating device package support structure according to claim 7, wherein the reflective surface of the reflective surface is in a spaced arrangement, and each adjacent reflective section is formed with a non-beveled spacer. The illuminating device package support structure according to claim 3, wherein the inclined angles of the two inclined faces of each set of slanting faces are gradually increased from the bottom to the bottom. The light-emitting device package support structure according to claim 12, wherein the angle of the inclination angles of the two inclined faces of each set of the inclined face groups is a difference of the inclination angle range, and the difference of the inclination angle range is between 1 and 5. Between times. The light-emitting device package support structure of claim 13, wherein the base of the support is formed by a concave portion of the body, and a light source mounting surface for arranging the light-emitting element is formed, and the reflective surface surrounds the light source. Place around the surface. The light-emitting device package support structure according to claim 14, wherein the light source placement surface is quadrangular, and the reflective bread comprises four reflection regions. The illuminating device package bracket structure according to claim 15, wherein the reflecting surface is in a configuration in which a plurality of slopes are provided in a full circumference. The light-emitting device package support structure according to claim 16, wherein the inclined angles of the inclined surfaces of the reflective surfaces of the reflective surface are differently designed. The light-emitting device package support structure according to claim 17, wherein the light source installation surface has a rectangular shape, and the oblique angles of the two inclined surfaces of each set of inclined surface groups of the long-side reflection area of the reflective surface surrounded by a rectangle are respectively It is 2° and 7°, and the inclination angles of the two inclined faces of each set of inclined faces of the short-side reflection zone are 7° and 28°, respectively. The light-emitting device package support structure according to claim 15, wherein the reflective surface of the reflective surface is in a spaced arrangement, and each adjacent reflective interval is formed with a non-beveled spacer. The illuminating device package support structure according to claim 1 or 2, wherein the plurality of slant angles of each set of slant groups are gradually increased from the bottom to the top. The illuminating device package support structure according to claim 20, wherein the angle between the inclination angles of the adjacent two inclined faces of each set of the slanting face group is a difference of the inclination angle range, and the difference of the inclination angle range is between 1 and Between 5 times. The light-emitting device package support structure according to claim 1 or 2, wherein the base portion of the support is formed by a recessed portion of the body, and a light source mounting surface for arranging the light-emitting element is formed, and the reflective surface is surrounded by The light source is placed around the surface. The light-emitting device package support structure according to claim 22, wherein the light source placement surface is quadrangular, and the reflective bread comprises four reflection regions. The illuminating device package bracket structure according to claim 23, wherein the reflecting surface is in a configuration in which a plurality of slopes are provided in a full circumference. The light-emitting device package support structure according to claim 24, wherein the inclined angles of the inclined surfaces of the reflective surfaces of the reflective surface are differently designed. The illuminating device package support structure according to claim 23, wherein the reflective surface of the reflective surface is in a spaced arrangement, and each adjacent reflective section is formed with a non-beveled spacer. The illuminating device package bracket structure according to claim 1 or 2, wherein the plurality of slanting angles of each set of slanting faces are inclined upward from the bottom. The illuminating device package bracket structure according to claim 27, wherein the ratio of the two adjacent slopes of each group of slanting faces is a range of inclination angles, and the range of the inclination angle ranges from 1 to 5 times. between. The illuminating device package bracket structure according to claim 1 or 2, wherein the ratio of the two adjacent slopes of each group of slanting faces is a range of inclination angles, and the range of the inclination angle ranges from 1 to Between 5 times. The illuminating device package bracket structure according to claim 1 or 2, wherein the reflecting surface is in a configuration in which a plurality of slopes are provided in a full circumference. The light-emitting device package support structure according to claim 1 or 2, wherein the reflective surface comprises a plurality of reflective regions in a spaced apart configuration, and a spacer region having no slope is formed in each adjacent reflective interval. A package module for a light-emitting device, comprising: a bracket having a base and a plurality of conductive pins away from the base; and a body having a concave recess, the system surrounding the base of the bracket The concave portion is exposed, and the conductive pins protrude from the outside of the body, and the side wall of the concave portion is provided with a reflecting surface composed of a plurality of sets of inclined faces, wherein each set of inclined faces is composed of a plurality of inclined faces Forming; at least one light-emitting element disposed on the base of the bracket and electrically connected to the conductive pins; and an encapsulant filled in the body recess and sealing the at least one light-emitting element. The package module of the illuminating device of claim 32, wherein the plurality of slant angles of each set of slant groups are upwardly and gradually decreased from the bottom. The package module of the illuminating device of claim 32, wherein the plurality of slanting angles of each set of slanting faces are gradually increased from the bottom to the top. The package module of the illuminating device of claim 32, 33 or 34, wherein the ratio of the two adjacent slopes of each set of slanted faces is a range of inclination angles, and the difference of the range of inclination angles is Between 1 and 5 times. The package module of the light-emitting device of claim 35, wherein each of the light-emitting elements is a light-emitting diode. The illuminating device package bracket structure according to claim 32, 33 or 34, wherein the reflecting surface is in a configuration in which a plurality of slopes are provided in a full circumference. The illuminating device package supporting structure according to claim 32, 33 or 34, wherein the reflecting surface comprises a plurality of reflecting regions in a spaced arrangement, and a spacer having no slanting surface is formed in each adjacent reflecting interval. .