LED ILLUMINATING DEVICE WITH PRISM SHEET
First Claim
1. An LED illuminating device comprising:
- a housing comprising a base plate;
a prism sheet mounted in the housing and comprising a plurality of V-shaped micro-grooves formed thereon along at least two directions intersecting with each other; and
a circuit board fixed on the base plate, wherein a plurality of LED illuminating arrays are arranged on the circuit board to form a matrix, each LED illuminating array comprises two LED units, at least four virtual light sources are formed by reflection of the prism sheet to the circuit board after the light is emitted by a particular LED unit on circuit board;
the rows of the matrix are spaced apart a first preset distance, and the columns of the matrix are spaced apart a second preset distance, and each two LED units in one LED illuminating array are spaced apart a third preset distance.
1 Assignment
0 Petitions
Accused Products
Abstract
An LED illuminating device contains a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and includes a number of V-shaped micro-grooves along at least two directions intersecting with each other. The circuit board arranged multiple of LED illuminating arrays is fixed on the base plate. Each LED illuminating array is made of two LED units spaced apart a third preset distance. At least four virtual light sources are formed by the reflection of prism sheet to the circuit board after the light emitted by a particular LED unit on the circuit board. The rows and the columns of the matrix are respectively spaced apart a first preset distance and a second preset distance.
14 Citations
10 Claims
-
1. An LED illuminating device comprising:
-
a housing comprising a base plate; a prism sheet mounted in the housing and comprising a plurality of V-shaped micro-grooves formed thereon along at least two directions intersecting with each other; and a circuit board fixed on the base plate, wherein a plurality of LED illuminating arrays are arranged on the circuit board to form a matrix, each LED illuminating array comprises two LED units, at least four virtual light sources are formed by reflection of the prism sheet to the circuit board after the light is emitted by a particular LED unit on circuit board;
the rows of the matrix are spaced apart a first preset distance, and the columns of the matrix are spaced apart a second preset distance, and each two LED units in one LED illuminating array are spaced apart a third preset distance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
Specification