Reflective liquid crystal display and method for fabricating the same
AssigneeNEC Corporation
InventorsHiroshi Kanoh, Eishi Mizobata, Setsuo Kaneko
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Abstract
The present invention relates to a light reflection plate provided on a substrate included in a reflective liquid crystal display device. The light reflection plate comprises the following elements. Convex patterns are shaped in random and formed on the substrate. The convex patterns have side walls defining apertures, bottoms of which are defined by the substrate. At least a light reflective film is made of a conductive material and continuously extending over the convex patterns and within the apertures to have the light reflective film possess a rough surface comprising convex and concave portions which have random sizes in relation to the convex patterns.
Claims17
A light reflection plate for a reflective liquid crystal display, comprising:
- a substrate;
- plural rigid projections on a surface of said substrate, said projections being irregularly shaped and having side walls defining apertures, bottoms of said apertures being said surface of said substrate, said substrate comprising recessed portions between said projections;
- and
- a light reflective film comprising an electrically conductive material extending continuously over said projections, said film having a rough surface with peaks and valleys that are related to the corresponding irregularly shaped plural rigid projections and apertures therebeneath.
A method for forming a light reflection plate on a substrate for a reflective liquid crystal display device, said method comprising the steps of:
- forming irregularly shaped and diversely positioned, rigid projections on a surface of the substrate, the projections having sidewalls defining apertures, bottoms of the apertures being the substrate;
- forming recessed portions in the substrate between the projections;
- and
- forming a conductive light reflective film continuously over the projections and the apertures so that the light reflective film possesses a rough surface with convex and concave portions having positions and sizes related to positions and sizes of the projections.
Dependencies are inferred from the claim text.