Patent ID: 7889283
Filing Date: 2011-02-15
Classification: G02F

Abstract:
1. A liquid crystal display device appreciating room, comprising: a room, a liquid crystal display device arranged inside the room and having a liquid crystal panel, and a light source which lightens the inside of the room, wherein said light source includes a light bulb and an optical member, wherein said optical member circularly polarizes the light emitted from the light bulb, wherein a ¼ wavelength plate is arranged on the front surface side of a viewing-side polarizer of the liquid crystal panel, the ¼ wavelength plate is arranged to set the angle of the slow axis direction thereof to 45±5° or 135±5° from the absorptive axis direction of the viewing-side polarizer toward the counterclockwise direction when the ¼ wavelength plate is seen from the viewing-side, and light inside the room essentially consists of left-handed circularly polarized light or right-handed circularly polarized light.