Light Leaf Grilë Ridrejtuese e Dritës së Ditës by Leijing Zhou

Light Leaf Grilë Ridrejtuese e Dritës së Ditës by Leijing Zhou is a highly esteemed winner of the very prestigious 2026 Çmimi i Bronztë A' Design Award in Dizajni i Materialeve të Ndërtimit dhe Komponentëve të Konstruksionit Competition Category.

BronziKomponentë Ndërtimi· 2026

Light Leaf Grilë Ridrejtuese e Dritës së Ditës

by Leijing Zhou

Client: Zhejiang University

Çmimi i Bronztë A' Design Award Winner in Komponentë Ndërtimi Category

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The Design

About Light Leaf Grilë Ridrejtuese e Dritës së Ditës

LightLeaf është një sistem grilash ridrejtuese të dritës së ditës për shtëpitë me dritë natyrale të kufizuar. Lamelat e zakonshme të grilave zëvendësohen me fletë të rregullueshme drejtuese të dritës, të cilat kapin dritën e ditës në ambient dhe e reflektojnë atë më thellë në dhomë. Fletët kombinojnë një sipërfaqe të sipërme me reflektim të lartë me një përfundim të poshtëm difuziv për të kontrolluar verbimin. Një kornizë e lehtë alumini me mentesha rrotulluese dhe bllokues pozicioni lejon që njësia të shtyhet nga jashtë kur nevojitet më shumë dritë e ditës. Sistemi mbështet fabrikimin modular dhe instalimin jo invaziv në kornizat ekzistuese të dritareve.

The Recognition

About the Çmimi i Bronztë A' Design Award

Light Leaf Grilë Ridrejtuese e Dritës së Ditës është fitues i Çmimit të Bronztë A' Design Award, një njohje shumë prestigjioze që u akordohet dizajneve të shquara, të dalluara për krijimtari, shpikësi dhe mprehtësi. Fituesit e Bronztë janë objekte shumë të aftë dhe goditëse në krijimtarinë e tyre, që vërtetojnë përvojën e gjerë, imagjinatën dhe shkathtësinë e dizajnerëve të tyre. Light Leaf Grilë Ridrejtuese e Dritës së Ditës pritet të jetë një objekt shumë i vlerësuar, i admiruar e i dashur, jashtëzakonisht profesional dhe inovativ. Ky dizajn fitues i Çmimit të Bronztë A' Design Award përfshin praktikat më të mira në art, shkencë, dizajn dhe teknologji dhe shquhet për vëmendjen ndaj detajeve. Light Leaf Grilë Ridrejtuese e Dritës së Ditës i plotëson shkëlqyeshëm nevojat, prek dëshirat, magjepson ndjenjat dhe tërheq kureshtjen.

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