Liquid crystal display with mirror face function

• US 20040239849A1
• Filed: 06/02/2003
• Published: 12/02/2004
• Est. Priority Date: 06/02/2003
• Status: Abandoned Application

• Current Assignee: Wintek Corporation
• Original Assignee: Wintek Corporation
• Inventors: Wang, Po Hsien
• Application Number:
  US10/449,005
• Publication Number:
  US 20040239849A1
• Time in Patent Office: Days
• US Class Current: 349/115
• CPC Class Codes: G02F 1/133507 Films for enhancing the luminance
• CPC Class Codes: G02F 1/133536 Reflective polarizers G02F1/13362 takes precedence
• CPC Class Codes: G02F 1/133555 Transflectors
• CPC Class Codes: G02F 1/133562 on the viewer side

Abstract

A liquid crystal display with mirror face function. A light deflecting plate is disposed on one face of the liquid crystal display module opposite to the backlight element. A brightness enhancement film is disposed between the liquid crystal display module and the light deflecting plate. The direction of the light penetration axis of the brightness enhancement film is identical to the direction of the light penetration axis of the liquid crystal display module, whereby external light is reflected by the brightness enhancement film to achieve a mirror face effect. The light emitted by the liquid crystal display module can easily pass through the brightness enhancement film so that the light penetrability of the liquid crystal display module is enhanced.

Claims

1. A liquid crystal display with mirror face function, comprising a liquid crystal display module and a brightness enhancement film, a backlight element being disposed on one face of the liquid crystal display module to serve as a light source thereof, a light deflecting plate being disposed on the other face of the liquid crystal display module opposite to the backlight element, the brightness enhancement film being disposed between the liquid crystal display module and the light deflecting plate, the direction of the light penetration axis of the brightness enhancement film being identical to the direction of the light penetration axis of the liquid crystal display module, whereby external light is reflected by the brightness enhancement film to achieve a mirror face effect and the light emitted by the liquid crystal display module can easily pass through the brightness enhancement film.

2. The liquid crystal display with mirror face function as claimed in claim 1, wherein the brightness enhancement film is a DBEF.