Illumination Unit with Projection Members for Optical Member Support
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Solution Overview
Problem
Conventional downlight illumination systems are not suitable for wide indoor spaces as they require multiple LED light sources and can create a less relaxed atmosphere due to exposed elements, which may not be aesthetically pleasing.
Innovation Solution
An illumination unit with a design that includes a first and second reflector, a light source module between them, an optical member, and projection members to prevent downward bending, along with inclined reflector surfaces, allowing for efficient light distribution and reduced component exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional downlight illumination systems are used, then the ceiling appearance is smart and relaxed atmosphere is created, but the system is not suitable for wide indoor spaces and requires multiple LED light sources
Solution Approach 1:
The patent transitions from a conventional point-source downward illumination model to a lateral light guide model where light propagates horizontally through an optical member. This dimensional change in light propagation direction enables a single light source to illuminate wide areas laterally, eliminating the need for multiple LEDs in wide indoor spaces
2Device complexity
If the optical member is made thinner to reduce device complexity, then the overall structure is simplified, but the optical member becomes more prone to downward bending
Solution Approach 1:
The patent introduces projection members that extend from the cover member toward the optical member to provide upward support counteracting the downward bending force. These projection members act as mechanical counterweights that balance the gravitational and operational stresses on the thin optical member, maintaining its flatness without requiring increased thickness or complex internal reinforcement
3Stability of the object's composition
If projection members are added to prevent optical member bending, then the optical member stability is improved, but the device complexity increases
Solution Approach 1:
The patent integrates the projection members with the cover member to form a unified structural component. The projection members are not separate附加 parts but are merged into the cover member design, allowing the cover to simultaneously serve as a protective enclosure and a structural support element that prevents optical member bending, thereby minimizing the increase in device complexity
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 provides uniform and efficient lighting suitable for wide indoor spaces while minimizing the number of LED light sources required, enhancing aesthetic appeal and creating a more relaxed atmosphere.
Implementation Method 1
An illumination unit includes a first reflector, a second reflector arranged at either side of the first reflector, at least one light source module arranged between the first reflector and the second reflector
Data Source
AI summary
Disclosed herein are an illumination unit and a display apparatus. The illumination unit includes a first reflector, a second reflector arranged at either side of the first reflector, at least one light source module arranged between the first reflector and the second reflector, a cover member for covering the second reflector, an optical member arranged between the cover member and the second reflector while facing the first reflector, a first projection member interposed between the optical member and the cover member, and a second projection member interposed between the optical member and the second reflector. The distance from the cover member to one side surface of the first projection member is longer than the distance from the cover member to one side surface of the second projection member.