Light-emitting device holder with elastic insulating member
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Solution Overview
Problem
Existing light-emitting device holders lack sufficient insulative properties between the light-emitting device and the mounting object, leading to potential electrical discharges and reduced reliability.
Innovation Solution
A light-emitting device holder with an insulating member made of elastic material, such as silicone resin, that contacts the substrate between the pads and the edge of the substrate, and terminals that securely connect to the pads, enhancing electrical insulation and preventing current paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional holder structure is used to fix the light-emitting device to the mounting object, then the device can be securely mounted, but the insulative properties between the light-emitting device and mounting object are insufficient
Solution Approach 1:
An insulating member is introduced as an intermediary component between the light-emitting device and the mounting object. This insulating member includes an insulating plate that contacts the substrate and insulating ribs that extend from the insulating plate to contact the mounting object, thereby preventing direct electrical contact while maintaining mechanical fixation.
Solution Approach 2:
The insulating member is segmented into multiple functional parts: an insulating plate portion that contacts the substrate, and multiple insulating ribs that extend upward to contact the mounting object. This segmentation allows the insulating member to provide both electrical insulation and mechanical support while maintaining proper spacing and insulation pathways.
2Reliability
If the holder provides sufficient mechanical fixation, then the light-emitting device is securely mounted, but the electrical insulation between conductive parts is compromised
Solution Approach 1:
The holder structure employs a composite design combining conductive and insulating materials in specific configurations. The holder main body may be conductive for mechanical strength, while the insulating member made of insulating material provides electrical isolation. This composite approach allows simultaneous achievement of mechanical fixation strength and electrical insulation.
Solution Approach 2:
The insulating member acts as a mediator between the conductive holder main body and the light-emitting device substrate. It provides electrical insulation while allowing the holder to maintain its mechanical fixation function, thus resolving the conflict between mechanical strength and electrical insulation.
3Reliability
If the insulating member contacts the substrate between the pad and edge, then insulation is improved, but the structural complexity of the holder increases
Solution Approach 1:
The insulating member combines multiple insulation functions into a single integrated component. It merges the insulating plate that contacts the substrate with insulating ribs that contact the mounting object, providing comprehensive insulation in one piece rather than requiring multiple separate insulating components.
Solution Approach 2:
The insulating member serves multiple functions simultaneously: it provides electrical insulation between the substrate and mounting object, maintains mechanical positioning of the light-emitting device, and creates proper spacing for heat dissipation. This multi-functionality reduces the need for additional separate components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution improves insulative properties and heat resistance, reducing the likelihood of electrical discharges and ensuring reliable fixation of the light-emitting device to the mounting object, while maintaining the color integrity of the emitted light.
Implementation Method 1
The insulating member is configured to be in contact with at least a region of a surface of the substrate between the pad and a portion of an edge of the substrate that is closest to the pad
Implementation Method 2
an insulating member (13) attached to the holder main body (11). The insulating member (13) is made of an elastic material, such as silicone resin
Data Source
Figure 1
Figure 2A~2C
Figure 3A~3B
AI summary
A light-emitting device holder (1; 2; 3; 4) is configured to fix a light-emitting device (100) to a mounting object. The light-emitting device (100) includes a substrate (101), a light-emitting element (102), and a pad (103). The light-emitting device holder (1; 2; 3; 4) includes a holder main body (11), a terminal (12) and an insulating member (13; 23; 43). The holder main body (11) defines an opening (11a) at a position corresponding to the light-emitting element (102) in a fixed state after the light-emitting device (100) is fixed to the mounting object by the light-emitting device holder (1; 2; 3; 4). The terminal (12) is attached to the holder main body (11), and configured to be in contact with the pad (103) in the fixed state. The insulating member (13; 23; 43) is attached to the holder main body (11), and configured to be in contact with at least a region (101d) of a surface (101a) of the substrate (101) between the pad (103) and a portion (101c) of an edge (101b) of the substrate (101) that is closest to the pad (103) in the fixed state.