Telephone case with lighting key
The utility model relates to a telephone case with lighting keys, comprising a telephone casing (1) and a handle casing (2) which are provided with keyboards. The digit, words and notation on the key (3) which constitutes the keyboard, are formed by injecting non-radiationa energe storage afterglow...
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| Format: | Patent |
| Sprache: | eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model relates to a telephone case with lighting keys, comprising a telephone casing (1) and a handle casing (2) which are provided with keyboards. The digit, words and notation on the key (3) which constitutes the keyboard, are formed by injecting non-radiationa energe storage afterglow luminescent powder adopted into the key body, and have residual light for some time after turning off the lights. Therefore, the utility model is enabled to have visible keys at night, with the advantage of convenient use. |
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