cellular shade

plural cellular shades

1. Synonym of accordion blind.

   Another ingenious invention is the cellular shade that is raised from the bottom up. Cellular shades can be used to block sunlight from penetrating the lower parts of windows in late spring and early fall.

   2011 July 1, Dan Chiras, The Homeowner's Guide to Renewable Energy: Achieving Energy Independence through Solar, Wind, Biomass and Hydropower, New Society Publisher, →ISBN

   2 more examples

   c) a pleated, cellular shade fabric extending between said head rail and said bottom rail, said cellular shade fabric having, when said shade is drawn, a honeycomb cross-section defined by a plurality of polygonal shapes vertically stacked one on top the other[…]

   1998, United States. Patent and Trademark Office, Official Gazette of the United States Patent and Trademark Office: Patents, page 1035

   Readily available are cellular shades that open like an accordion (Fig. 13.9d). When the inside of the cells is covered with a radiant barrier and the edges have side seals, a cellular shade can have an R-value up to 5 (RSI-0.9), which is very good for a window covering.

   2021 October 26, Norbert M. Lechner, Patricia Andrasik, Heating, Cooling, Lighting: Sustainable Design Strategies Towards Net Zero Architecture, John Wiley & Sons, →ISBN, page 483

   Synonyms: accordion blind