Patent ID: 9638905
Date: 2017-05-02
CPC Classifications: G02B,G09F

Claim:
1. A narrow frame display device comprising: a plurality of display units collectively defining an array with no gap between the plurality of display units; each of the display units comprising: a display panel comprising a display surface and a non-display surface opposite to the display surface; a frame being formed on the edge of the display panel and surrounding the display panel; and a backlight module corresponding to the non-display surface; wherein the display units further comprises a central area, a fringe area surrounding the central area and a frame area surrounding the fringe district, the frame corresponds to the frame district, and the display panel corresponds to the central area and the fringe area; and a plurality of optical films being defined on the surface of the display units and corresponding to the frame district and the fringe district, each of the optical films comprising: a plurality of micro structures being continuous and having a common bottom surface, every micro structure comprising a first curved surface and a second curved surface, the first curved surface being convex in relation to the second curved surface, and the second curved surface rising from the bottom surface; wherein the first curved surface and the second curved surface meet and define a top at the line of meeting, the curved direction of the tops in the optical film being the same, and the first curved surface being a total reflecting surface.