Super-large-angle infrared lamp bead applied to universal remote controller

By designing ultra-wide-angle infrared LEDs and utilizing the arc-shaped structure of the bracket and encapsulant, a luminous effect with a half-power angle greater than 170° was achieved. This solved the problems of high cost and incomplete signal coverage caused by multiple LEDs in existing technologies, reduced production costs, and improved the operational reliability of the remote control.

CN224022180UActive Publication Date: 2026-03-20ANHUI YUGUAN OPTOELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The infrared LEDs in existing universal remote controls have limited beam angles, requiring multiple LEDs to be installed, which increases manufacturing costs and manpower and equipment resources. In addition, the signal coverage is incomplete, affecting the operation of the remote control.

Method used

A large-angle infrared LED bead is designed, employing a bracket body, encapsulation body, and curved surface structure to achieve a half-power angle greater than 170°, reducing the number of LED beads. High-transmittance epoxy resin material and dispensing process are used to improve light utilization and product reliability.

Benefits of technology

It reduced production costs and the need for manpower and equipment resources, improved signal coverage and remote control reliability, and enhanced production efficiency and product consistency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ultra-large angle infrared lamp bead applied to a universal remote controller, which relates to the technical field of infrared lamp beads, and comprises a support body, the top of the support body is provided with a wire bonding area and a die bonding area, the die bonding area is provided with an infrared light-emitting chip, the top of the infrared light-emitting chip is provided with a conductive wire rod, and the conductive wire rod is connected with the support body. The end portion of the conductive wire is electrically connected with the wire welding area, a sealing colloid is fixedly installed on the support body, the top of the sealing colloid protrudes out of the support body and is provided with an arc face, and the arc face is used for refracting and dispersing light emitted by the infrared light-emitting chip to form a half-power light-emitting angle larger than 170 degrees. According to the utility model, the sealing colloid and the cambered surface on the sealing colloid are optimized, so that a wider space area can be covered, the same effect or even better effect of the prior art can be achieved only by a small number of lamp beads, the use number of the lamp beads is obviously reduced, and the material cost and the assembly cost are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to infrared lamp pearl technical field especially, it is applied to the super big angle infrared lamp pearl for all -purpose remote controller. BACKGROUND

[0002] The all -purpose remote controller on current market is mainly used for controlling various different electric appliances, gathers the remote control function of different electric appliances in one all -purpose remote controller, realizes that one all -purpose remote controller can control multiple, multiple remote control electric appliances, thereby greatly simplifies the operation process. However, in actual use, different electric appliances in the room are distributed in different positions, in order to ensure that the all -purpose remote controller can normally control the electric appliances in all positions, the signal emitted by the infrared lamp pearl in the all -purpose remote controller needs to cover the whole space.

[0003] At present, the light emitting angle of the infrared lamp pearl applied to the all -purpose remote controller on the market is within 120 degrees, in order to realize the full coverage of the whole space, the prior art will be arranged in the upward direction and the side direction in the all -purpose remote controller Multiple infrared lamp pearls are arranged to cover a wider area, but this technology uses multiple infrared lamp pearls, the production cost is higher, and more manpower and equipment resources are needed in the process of chip production, the production efficiency is low, and the actual angle of the infrared lamp pearl may be calculated incorrectly, resulting in that the signal cannot cover the whole space, affecting the normal operation of the remote controller. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a super big angle infrared lamp pearl applied to all -purpose remote controller, which solves the technical problems proposed in the above background art.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a super big angle infrared lamp pearl applied to all -purpose remote controller, including support body, the top of support body is provided with soldering area and fixed crystal area, the fixed crystal area is provided with infrared light emitting chip, the top of infrared light emitting chip is installed with conductive wire material, the end of conductive wire material is electrically connected with soldering area, the support body is fixedly installed with encapsulation, the top of encapsulation is provided with camber surface protruding from the support body, the camber surface is used for refracting and scattering the light emitted by the infrared light emitting chip, forming a half -power light emitting angle greater than 170 degrees.

[0006] Further, a bowl cup groove is formed in the support body, and the soldering area and the fixed crystal area are arranged on the inner bottom wall of the bowl cup groove.

[0007] Further, the height of the encapsulation is 0.8-1.1mm.

[0008] Further, a ring for blocking the encapsulation from overflowing the bowl cup groove is arranged on the inner wall edge of the bowl cup groove.

[0009] Further, the glue body is formed by a dispensing method.

[0010] Further, the upper surface of the support body is a plane, and the glue body is formed by a molding method.

[0011] Further, the glue body is made of high-transmittance epoxy resin.

[0012] By the above technical solution, the utility model provides a super large angle infrared lamp bead applied to a universal remote controller, at least has the following beneficial effects:

[0013] 1. The utility model discloses a glue body and the arc surface on the glue body can realize the super large light-emitting angle of half-power angle > 170 DEG, can cover more extensive space area, only needs a small amount of lamp beads to reach the same effect with prior art even than it is better, the number of lamp beads is reduced significantly, and material cost and assembly cost are reduced, and simultaneously because the number of lamp beads reduces, the manpower and equipment resources required in the process of patch production also reduce correspondingly, and production cost is further reduced.

[0014] 2. The utility model discloses a convex ring, which can prevent the glue body from overflowing, reduce the defective rate in the production process and improve the consistency and reliability of the product. DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application and do not constitute improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a top view of the utility model;

[0017] Figure 2 It is a schematic view of the internal structure of the support body of the utility model;

[0018] Figure 3 It is one of the side views of the utility model;

[0019] Figure 4 It is the second side view of the utility model;

[0020] Figure 5 It is the third side view of the utility model;

[0021] Figure 6 It is the light ray diagram of the utility model;

[0022] Figure 7 It is the angle distribution diagram of the utility model.

[0023] In the figure: 1, support body; 2, bowl cup recess; 3, wire bonding area; 4, die bonding area; 5, infrared light emitting chip; 6, conductive wire material; 7, convex ring; 8, encapsulation body; 801, camber surface. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one

[0026] The current infrared lamp beads applied to the universal remote controller on the market have a light emitting angle within 120 degrees. In order to realize the full coverage of the whole space, the prior art will arrange multiple infrared lamp beads in the upward direction and the side direction inside the universal remote controller to cover a wider area. However, this technology will use multiple infrared lamp beads, the manufacturing cost is high, more manpower and equipment resources are needed in the process of SMT production, the production efficiency is low, and the actual angle of the infrared lamp bead may have calculation errors, which leads to the signal unable to cover the whole space, affecting the normal operation of the remote controller.

[0027] To solve the defects of the universal remote controller in the production process, please refer to Figures 1-7The utility model provides a kind of super large angle infrared lamp bead applied to universal remote controller, can realize the super large luminous angle of half-power angle >170 °, on the application of universal remote controller and other applications needing super large angle lamp bead, realize the reduction of lamp bead use quantity, reach reduce cost, improve efficiency.The super large angle infrared lamp bead with a support body 1 as foundation, the top of support body 1 is provided with soldering area 3 and fixed crystal area 4, fixed crystal area 4 is provided with infrared light emitting chip 5, the top of infrared light emitting chip 5 is installed with conductive wire material 6, the end of conductive wire material 6 is electrically connected with soldering area 3, to realize the conduction of current and the emission of infrared light.To realize super large luminous angle, support body 1 is fixedly installed with sealing glue body 8, the top of sealing glue body 8 is projected support body 1 and is provided with camber surface 801, camber surface 801 is used to refract and scatter the light emitted by infrared light emitting chip 5, form the half-power luminous angle of more than 170 °, the camber surface 801 is accurately optically designed, can effectively refract and diffuse the light emitted by infrared light emitting chip 5, to form the half-power luminous angle of more than 170 °, the curvature radius of camber surface 801 is optimized after multiple experiments, ensure that light loss is minimum in the process of refraction, while the maximum coverage, the lamp bead can realize the super large luminous angle of half-power angle >170 °, the improved universal remote controller not only reduces the lamp bead use quantity, reduces production cost, also improves production efficiency and product reliability.

[0028] In order to avoid the light loss or lamp bead volume too large caused by sealing glue body 8 too high, the height of sealing glue body 8 is set to 0.8-1.1mm, this height range can ensure the light diffusion effect while controlling the volume of lamp bead.

[0029] Further, sealing glue body 8 is formed by dispensing, and the dispensing process can ensure the consistency of the shape and height of sealing glue body 8, thereby improving the stability and reliability of the product. In addition, the material of sealing glue body 8 is high-transmittance epoxy resin, which has a transmittance of more than 95%, which can effectively reduce the energy loss of light in the refraction process, and at the same time protect the infrared light emitting chip 5 from the influence of external dust and moisture, prolong the service life of the lamp bead.

[0030] Bowl cup groove 2 is formed on support body 1, soldering area 3 and fixed crystal area 4 are arranged on the inner bottom wall of bowl cup groove 2, bowl cup groove 2 can accommodate sealing glue body 8, effectively concentrate the light emitted by infrared light emitting chip 5, improve the utilization efficiency of light, bowl cup groove 2 is arranged in a large size at the top and a small size at the bottom, to ensure that the light can be uniformly refracted out through the camber surface 801 of sealing glue body 8, avoid light concentrated in a certain area and cause uneven coverage.

[0031] Embodiment two

[0032] In order to solve the technical problem that the sealant 8 may overflow the bowl cup groove 2 during the forming process, a convex ring 7 for blocking the sealant 8 from overflowing the bowl cup groove 2 is arranged on the inner wall edge of the bowl cup groove 2, the convex ring 7 can block the sealant 8 and ensure the consistency of the shape and height of the sealant 8, it should be noted that the height of the convex ring 7 is 0.1-0.2mm and the width is 0.05-0.1mm, which will not adversely affect the refraction and diffusion of light, achieving the effect of good blocking during the forming process of the sealant 8 and avoiding affecting the refraction path of light due to the convex ring 7 being too high or too wide, the material of the convex ring 7 is the same as the support body 1, which is made of high-temperature-resistant and corrosion-resistant plastic or metal material to ensure the stability and durability during the production process.

[0033] Embodiment three

[0034] In order to achieve a larger light emitting angle, the upper surface of the support body 1 can be arranged as a plane, and the plane design of the support body 1 surface formed by the sealant 8 in a mold pressing manner helps the uniform distribution of the sealant 8, ensures the uniform refraction and diffusion of light, and thus achieves a larger light emitting angle.

[0035] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles or devices.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ultra-wide-angle infrared LED bead for use in a universal remote control, comprising a bracket (1), characterized in that: The top of the support body (1) is provided with a wire bonding area (3) and a die bonding area (4). An infrared light-emitting chip (5) is provided on the die bonding area (4). A conductive wire (6) is installed on the top of the infrared light-emitting chip (5). The end of the conductive wire (6) is electrically connected to the wire bonding area (3). An encapsulant (8) is fixedly installed on the support body (1). The top of the encapsulant (8) protrudes from the support body (1) and is provided with an arc surface (801). The arc surface (801) is used to refract and disperse the light emitted by the infrared light-emitting chip (5) to form a half-power light emission angle greater than 170°.

2. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 1, characterized in that: The support body (1) has a bowl-shaped groove (2), and the wire bonding area (3) and the die bonding area (4) are located on the inner bottom wall of the bowl-shaped groove (2).

3. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 1, characterized in that: The height of the sealant (8) is set to 0.8-1.1 mm.

4. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 2, characterized in that: The inner wall edge of the bowl-cup groove (2) is provided with a raised ring (7) to prevent the sealant (8) from overflowing from the bowl-cup groove (2).

5. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 1, characterized in that: The sealant (8) is formed by dispensing.

6. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 1, characterized in that: The upper surface of the support body (1) is set as a plane, and the sealant body (8) is formed by molding.

7. The ultra-wide angle infrared LED bead for use in a universal remote control according to claim 1, characterized in that: The sealant (8) is made of high-transmittance epoxy resin.