# Screenless Smartphones 'Trou' Hologram Projecting Flexible Mobile by Mac Funamizu By Rose Nazarali | Published 2009-06-11 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/trou-mac-funamizu References: [petitinvention.wordpress](http://petitinvention.wordpress.com/2009/06/10/trou/) Mac Funamizu has designed his version of what a mobile phone will look like in 2020. His answer is Trou - the “[hologram projecting](https://www.trendhunter.com/trends/samsung-holodisplay) [flexible mobile](https://www.trendhunter.com/trends/zero-series-mini-trifold).” Rather than using a screen with 3D projection, Mac Funamizu is sure technology will have evolved to allow for the whole screen to rise. When users answer their phones, the Trou screen will display [3D holograms](https://www.trendhunter.com/trends/3d-laptop). Because of Trou’s flexible fame, Mac Funamizu says users can wear it around their wrists for easy access. ## Trend Insights (Trend Hunter) - Score: 4.2/10 - Popularity: 69% | Activity: 48% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### Key Themes Behind This Trend - **Screenless Smartphones:** Disruptive innovation opportunity: Developing hologram projection technology for screenless smartphones. - **3D Projection Technology:** Disruptive innovation opportunity: Advancing 3D projection technology for immersive user experiences. - **Wearable Technology:** Disruptive innovation opportunity: Creating flexible and wearable smartphones for convenient access. ### Where This Applies - **Mobile Technology:** Disruptive innovation opportunity: Revolutionizing the mobile phone industry with screenless and hologram projection technology. - **Consumer Electronics:** Disruptive innovation opportunity: Introducing screenless smartphones as a new category of consumer electronics devices. - **Wearable Devices:** Disruptive innovation opportunity: Integrating hologram projecting flexible mobiles as wearable devices in the tech industry. ## Related on Trend Hunter - [Tri-Folding Smartphone Concepts](https://www.trendhunter.com/trends/tecno-phantom-ultimate-2.md) - [Wacky Design Smartphones](https://www.trendhunter.com/trends/playful-phone-experimentation.md) - [Visible Component Smartphone](https://www.trendhunter.com/trends/nothing-phone-1.md) - [Transparent Design Smartphones](https://www.trendhunter.com/trends/nothing-phone-1-concept.md) - [Multifunctional Foldable Mobile Devices](https://www.trendhunter.com/trends/move-mobile-device.md) - [Dual-Display Smartphone Concepts](https://www.trendhunter.com/trends/iphone-vision.md) - [Mini Transparent Smartphone Concepts](https://www.trendhunter.com/trends/nothing-mini-phone.md) - [Transparent Aluminum Smartphones](https://www.trendhunter.com/trends/nothing-phone-2-concept.md) - [Futuristic Rollable Smartphones](https://www.trendhunter.com/trends/phantom-ultimate.md)