| 摘要 |
The present invention relates to a lighting case to be installed in a ceiling, wherein an accommodation portion is formed to accommodate an LED-type lighting unit or a bulb-type lighting unit therein, a flange is formed, a coupling surface and a lighting unit-fixing portion are formed between the accommodating portion and the flange to fix an LED substrate holder for the LED-type lighting unit and a bulb holder for the bulb-type lighting unit, an LED substrate-positioning groove is formed at the top of the accommodating portion to position the LED-type lighting unit and to prevent the LED-type lighting unit from rotating, a ballast substrate locking portion having a ballast substrate fitting protrusion and a ballast substrate locking protrusion for locking the bulb-type lighting unit is formed at the bottom of the lighting case, a ballast substrate guide protrusion is interposed between the LED substrate positioning groove and the ballast substrate locking portion to guide the bulb-type lighting unit such that the bulb-type lighting unit is inserted in a predetermined direction, and a first elastic member and a second elastic member are arranged at the outer surface of the lighting case, wherein the first and second elastic members have first and second elastic portions and first and second protrusions formed at the first and second elastic portions, respectively, at heights corresponding to the thickness of the ceiling. |
