A LIGHT GUIDE PLATE FOR KEY PAD
The present invention relates to a light guide plate for keypad, and the main purpose of the present invention is to reduce light variation with minimum light and to maximize diffuse reflection efficiency, thereby enabling a user to easily recognize a display part of a keypad in a dark environment....
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | The present invention relates to a light guide plate for keypad, and the main purpose of the present invention is to reduce light variation with minimum light and to maximize diffuse reflection efficiency, thereby enabling a user to easily recognize a display part of a keypad in a dark environment. The light guide plate for keypad has patterns, formed in positions corresponding to keypad buttons, having multiple intersection points by overlapping multiple straight lines or curved lines, thereby enabling the user to easily recognize the display unit of the keypad even in the dark environment by reducing light variation with minimum light and maximizing diffuse reflection efficiency. |
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