LCD displays work by twisting liquid crystal molecules with electric fields; without power, some LCDs appear white while others appear black.
Sources
- https://arxiv.org/pdf/1801.09812 (arxiv.org)
- https://www.sciencedirect.com/topics/engineering/liquid-crystal-display (sciencedirect.com)
- https://orientdisplay.com/knowledge-base/lcd-basics/how-liquid-crystal-displays-work/ (orientdisplay.com)
- https://hardforum.com/threads/normally-white-and-normally-black-lcd-panels.1242137/ (hardforum.com)
- https://focuslcds.com/frequently-asked-questions/ (focuslcds.com)
- https://www.doitvision.com/common-lcd-display-mode/ (doitvision.com)
- https://www.kimeery.com/normally-white-and-normally-black-tn-lcd-display.html (kimeery.com)
- https://www.bohrium.com/en/sciencepedia/feynman/keyword/lcd (bohrium.com)
- https://xdaforums.com/t/lcd-screens-which-colour-uses-most-power.647668/ (xdaforums.com)
- https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5793458 (image-ppubs.uspto.gov)
More in Technology
- The UNESCO Sites Navigator is an online geographic information system that displays georeferenced maps of UNESCO-designated sites.
- Spectrum-Based Log Diagnosis (SBLD) was developed by Carl Martin Rosenberg and Leon Moonen.
- Around 2022, the Mayo Clinic began digitizing 12 million archived pathology slides using a robot capable of processing up to 1 million samples per month.
- Google researchers labeled gender categories in their smile-detection model as 'Gender 1' and 'Gender 2' specifically to reduce the risk of introducing unconscious societal bias.
- The GOSAT-2 satellite was launched on October 29, 2018.
- Ryan Abbott, a partner at Brown, Neri, Smith & Khan, brought a pro bono case seeking to name the AI system DABUS as the inventor of a food container whose intricate geometric surface was designed to transfer heat efficiently and stack easily.