Method for manufacturing a light guide plate mold
AssigneeHon Hai Precision Ind. Co., Ltd.
InventorGa-Lane Chen
Life of this patent
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Abstract
A method for manufacturing a light guide plate mold includes the following steps: providing a substrate (20); coating a photo resist layer (21) on the substrate; exposing the photo resist layer to illuminating light (26) emitted by a light source (22); developing the photo resist layer; and etching the substrate to obtain the light guide plate mold. The illuminating light emitted from the light source has a predetermined distribution of intensity. The light guide plate mold is formed with high precision and accuracy.
Claims14
A method for manufacturing a light guide plate mold, comprising the following steps:
- providing a substrate;
- coating a photo resist layer on the substrate;
- exposing the photo resist layer to illuminating light emitted by a light source;
- developing the photo resist layer;
- and
- etching the substrate to obtain the light guide plate mold;
- wherein the illuminating light has a predetermined distribution of intensity, and the predetermined intensity distribution can be represented by a triangular wave or a sawtooth wave.
A method for manufacturing a light guide plate mold, comprising the following steps:
- providing a substrate;
- coating a photo resist layer on the substrate;
- applying illuminating light with different intensities to different areas of the photo resist layer to pattern the photo resist layer, wherein a predetermined intensity distribution of the illuminating light can be represented by a triangular wave or a sawtooth wave;
- and
- etching the substrate according to the patterned photo resist layer to obtain the light guide plate mold having a corresponding pattern thereon.
Dependencies are inferred from the claim text.