Lighting device with louvers
First Claim
Patent Images
1. The lighting device comprising:
- a case comprising;
a bottom plate;
a first wall extending from the bottom plate and comprising a first end and a second end;
a second wall extending from the bottom plate, comprising a first end and a second end and facing toward the first wall;
a first top plate connected to the first wall extending outwardly from the first end of the first wall; and
a second top plate extending outwardly from the first end of the second wall,a light emitter disposed on the bottom plate of the case; and
a diffuser plate spaced apart from the light emitter and disposed between the first wall and the second wall,wherein the first wall comprises a coupling recess disposed between the first end and the second end of the first wall, andwherein the diffuser plate is coupled to the coupling recess.
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Abstract
The lighting device comprises a case comprising: a bottom plate; a first wall extending from the bottom plate; a second wall extending from the bottom plate and facing to the first wall; a first top plate extending perpendicular to the first wall; and a second top plate extending perpendicular to the second wall, a light emitter disposed on the bottom plate of the case; and a diffuser plate spaced apart from the light emitter and disposed between the first wall and the second wall, wherein the first wall and the second wall comprise a coupling recess, and wherein the diffuser plate is coupled to the coupling recess.
30 Citations
20 Claims
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1. The lighting device comprising:
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a case comprising; a bottom plate; a first wall extending from the bottom plate and comprising a first end and a second end; a second wall extending from the bottom plate, comprising a first end and a second end and facing toward the first wall; a first top plate connected to the first wall extending outwardly from the first end of the first wall; and a second top plate extending outwardly from the first end of the second wall, a light emitter disposed on the bottom plate of the case; and a diffuser plate spaced apart from the light emitter and disposed between the first wall and the second wall, wherein the first wall comprises a coupling recess disposed between the first end and the second end of the first wall, and wherein the diffuser plate is coupled to the coupling recess. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. The lighting device comprising:
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a case comprising; a bottom plate; walls extending from ends of the bottom plate; and extension parts coupled to and inclined from at least one of the walls, and comprising at least one of a louver and a top plate, a light emitter disposed on the bottom plate of the case; a diffuser plate spaced apart from the light emitter and disposed between the walls of the case; and side covers coupled to both ends of the case and having a coupling hole, wherein at least one of the walls and the extension parts comprises a coupling recess corresponding to the coupling hole of the side covers, wherein the side covers are coupled to the case by allowing a screw or a pin to pass through the coupling holes and the coupling recess. - View Dependent Claims (10, 11, 12)
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13. The lighting device comprising:
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a case comprising; a bottom plate; a first wall extending from a first end of the bottom plate; a second wall extending from a second end of the bottom plate; a first louver coupled to and inclined from the first wall; and a second louver coupled to and inclined from the second wall, a light emitter disposed on the bottom plate of the case; a diffuser disposed on the light emitter and disposed between the walls of the case, wherein at least one of the walls comprises a coupling recess and the diffuser plate is coupled to the coupling recess, wherein the first louver and the second louver are oriented at an obtuse angle relative to the diffuser plate, and wherein a louver cut-off angle of at least of the first louver and the second louver is less than 90 degrees above 0 degrees. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification