Patent ID: 7821599
Filing Date: 2010-10-26
Classification: G02F,G09G

Abstract:
1. A liquid crystal display element comprising: a liquid crystal display layer including an internal reflecting plate, a transmissive display unit, and a reflective display unit, wherein at least the transmissive display unit and the reflective display unit are formed in one pixel and said transmissive display unit and said reflective display unit are applied with voltages independently of each other; a light source for irradiating said liquid crystal display layer with light from a back; and a reflection control element disposed between said liquid crystal display layer and said light source for switching between a reflective state and a transmissive state in accordance with a voltage applied thereto, wherein said liquid crystal display element is switched to either: a transmissive display mode which involves setting said reflection control element into a transmissive state, setting the reflective display unit of said liquid crystal display layer into a dark state, and displaying an image in said transmissive display unit; or a combined reflective/transmissive display mode which involves setting said reflection control element into a transmissive state, and displaying an image in the reflective display unit and transmissive display unit of said liquid crystal display layer; or a reflective display mode which involves setting said reflection control element into a reflective state, and displaying an image in the reflective display unit and transmissive display unit of said liquid crystal display layer.