Patent ID: 8638407
Filing Date: 2014-01-28
Classification: G02F,G09G

Abstract:
1. A liquid crystal display (LCD) system, comprising: a light-passable plate configured to allow natural light to pass through the light-passable plate; an LCD panel coupled to the light-passable plate and configured to receive the natural light passing through the light-passable plate; a transparency control unit coupled between the light-passable plate and the LCD panel to control a degree of transparency for the combination of the light-passable plate, the transparency control unit, and the LCD panel; a controller coupled to the LCD panel to control the LCD panel such that the natural light passing through the light-passable plate is used as backlight for operation of the LCD panel; a concentrator film and a diffuser film, wherein the concentrator film and the diffuser film are coupled between the light-passable plate and the LCD panel; and a wheeling unit configured to deploy the concentrator film and the diffuser film to cover the LCD panel, and to retrieve the concentrator film and the diffuser film to uncover the LCD panel, wherein the light-passable plate structurally supports the LCD panel in addition to providing the natural light to the LCD panel.