fig17

From: Strain-engineered stretchable substrates for free-form display applications

Figure 17. Examples of flexible displays utilizing Kirigami patterns. (A) A meta-display designed with a Kirigami pattern that has a Poisson’s ratio of -1 to address image distortion caused by the Poisson effect, along with examples of luminescence on curved surfaces. Reproduced with permission^[143]. Copyright 2022, Wiley-VCH; (B) A stretchable display with rotational Kirigami patterns demonstrating stable luminescence properties on various curved surfaces, including cylindrical, spherical, and saddle shapes. Reproduced with permission^[144]. Copyright 2024, Springer Nature; (C) A stretchable OLED that reveals HAA through Kirigami deformation, maintaining high resolution even after stretching. Reproduced with permission^[145]. Copyright 2024, Springer Nature. OLED: Organic light-emitting diode; HAA: hidden active areas.