Light Leaf 주광 재유도 루버 by Leijing Zhou is a highly esteemed winner of the very prestigious 2026 A' Design Award 동상 in 건축 자재 및 건설 부품 디자인 Competition Category.

동건축 부품· 2026

Light Leaf 주광 재유도 루버

by Leijing Zhou

Client: Zhejiang University

A' Design Award 동상 Winner in 건축 부품 Category

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View at A' Design Award Press Release Award Badge

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The Design

About Light Leaf 주광 재유도 루버

라이트리프(LightLeaf)는 자연광이 부족한 주택을 위한 주광 재유도 루버 시스템입니다. 기존 블라인드 슬랫을 조절 가능한 도광 블레이드로 대체하여 주변의 자연광을 포집하고 이를 실내 깊숙한 곳까지 반사시킵니다. 블레이드는 고반사율의 상부 표면과 확산 처리된 하부 마감을 결합해 눈부심을 제어합니다. 피벗 힌지와 위치 고정 장치를 갖춘 경량 알루미늄 프레임을 통해 더 많은 자연광이 필요할 때 유닛을 바깥쪽으로 밀어낼 수 있습니다. 이 시스템은 모듈식 제작이 가능하며 기존 창틀에 비침습적으로 설치할 수 있습니다.

The Recognition

About the A' Design Award 동상

Light Leaf 주광 재유도 루버, 이 작품은 A' Design Award 동상 수상작으로, 창의성, 독창성, 영민함으로 돋보이는 뛰어난 디자인에 수여되는 높은 권위의 인정입니다. 동상 수상작은 충분히 숙련되고 인상적으로 창의적인 작품으로, 디자이너의 폭넓은 경험, 상상력, 기지를 입증합니다. Light Leaf 주광 재유도 루버, 이 작품은 높이 평가받고 감탄과 사랑을 받는 사물로서 두드러지게 전문적이고 혁신적일 것으로 기대됩니다. 이 동상 수상 디자인은 예술, 과학, 디자인, 기술의 모범 사례를 담고 있으며 세부에 대한 주의로 훌륭합니다. Light Leaf 주광 재유도 루버, 이 작품은 필요를 훌륭하게 충족하고 욕망에 닿으며 감정을 매료하고 호기심을 불러일으킵니다.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: LightLeaf is a daylight-redirecting louver system for living spaces with insufficient natural light. By replacing conventional blind slats with adjustable light-guiding blades, it captures ambient daylight and redirects it deeper indoors, creating soft, even illumination without daytime electricity. Designed for low-floor, north-facing, or compact residences, LightLeaf improves visual comfort and spatial quality while balancing privacy, safety, and energy efficiency.
Dimensions & Packaging: 900mm x 80mm x 1350mm
Tags: Daylight redirecting system, Light-guiding louvers, Passive daylighting, Energy-efficient housing, Urban living solutions, Non-invasive installation, Sustainable architecture, Indoor environmental quality
Production Technology: LightLeaf integrates a lightweight aluminum frame with pivot hinges, position locks, and adjustable louver assemblies. The dual-surface louvers combine a high-reflectance upper coating with a diffusive lower finish to enable controlled daylight redirection. The system is engineered for modular fabrication and non-invasive installation on existing window frames. Its design development referenced passive daylighting principles, facade engineering strategies, and basic optical reflection modeling to optimize light distribution efficiency and glare control.
Design Challenge: The main challenge was converting a conventional shading device into an effective daylighting system without adding complexity. It required balancing light redirection, glare control, privacy, and structural stability within existing window constraints. Building regulations and wind resistance were key external factors. The solution focused on simplifying the mechanism while maintaining performance and safety.
Research: This project is based on applied design research addressing insufficient daylight in residential spaces. The goal was to redesign a familiar window element to improve indoor light quality without electricity. Field observations of low-floor and north-facing homes were combined with simple daylight behavior studies and visual simulations. Results showed that redirecting light upward reduces glare and increases brightness deeper inside, improving comfort and energy efficiency through minimal structural intervention.
Inspiration: This project was inspired by the widespread issue of underlit living spaces, especially low-floor, north-facing, or obstructed residences. Observations of residents relying on temporary reflective panels and daytime artificial lighting revealed the need for a more effective and integrated solution. Drawing from passive daylighting principles, LightLeaf reimagines conventional blinds as a light-guiding system to improve indoor environmental quality without additional energy use.
Project Duration: The project commenced in October 2025 and was completed in January 2026.
Operation Flow: LightLeaf functions like a regular blind in daily use, allowing users to adjust the slats for shading and privacy. When more daylight is needed, the lock is released and the unit is gently pushed outward. By rotating the blades, incoming light is reflected upward and distributed deeper into the room. This simple transformation redirects natural light more evenly, reducing glare near the window while brightening darker areas indoors.
Team Members: Keyin Chen
Leijing Zhou
Qikai Tang
Yi Zhou
Rui Yao
Menghan Li
Yijun Zhao
Bingjing Fang