Light emitting module, backlight unit including the module, and display apparatus including the unit
First Claim
1. A light emitting module, comprising:
- a board;
a plurality of light emitting device packages mounted on the board while being spaced apart from each other; and
a plurality of lenses located at upper surfaces of the light emitting device packages in a contact fashion,wherein each of the lenses comprises a curved surface expressed by a start point (SP), an end point (EP), and two adjustment points (AP1 and AP2) of a Bezier curve represented as follows;
SP=(x,z),EP=(x,Z_E),AP1=(X_01,Z_01),AP2=(X_02,Z_02)(where x indicates positions in a direction intersecting a light axis, z indicates positions in a direction parallel to the light axis, SP is fixed, and0.5 mm≤
Z_E≤
0.78 mm, 1.62 mm≤
X_01≤
1.8 mm, 1.44 mm≤
Z_01≤
1.5 mm, 0.19 mm≤
X_02≤
0.25 mm, and 1.06 mm≤
Z_02≤
1.26 mm, orX_01 is 1.0 mm, Z_01 is 0.9 mm, X_02 is 0.2 mm, Z_02 is 0.1 mm, and Z_E is 1.2 mm).
2 Assignments
0 Petitions
Accused Products
Abstract
A light emitting module is disclosed. The light emitting module includes a board, a plurality of light emitting device packages mounted on the board while being spaced apart from each other, and a plurality of lenses located at upper surfaces of the light emitting device packages in a contact fashion, wherein each of the lenses includes a curved surface expressed by a start point (SP), an end point (EP), and two adjustment points (AP1 and AP2) of a Bezier curve represented as follows. SP=(x, z), EP=(x, Z_E), AP1=(X_01, Z_01), AP2=(X_02, Z_02) where x indicates positions in a direction intersecting a light axis, z indicates positions in a direction parallel to the light axis, SP is fixed, and 0.5 mm≤Z_E≤0.78 mm, 1.62 mm≤X_01≤1.8 mm, 1.44 mm≤Z_01≤1.5 mm, 0.19 mm≤X_02≤0.25 mm, and 1.06 mm≤Z_02≤1.26 mm, or X_01 is 1.0 mm, Z_01 is 0.9 mm, X_02 is 0.2 mm, Z_02 is 0.1 mm, and Z_E is 1.2 mm.
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Citations
20 Claims
-
1. A light emitting module, comprising:
-
a board; a plurality of light emitting device packages mounted on the board while being spaced apart from each other; and a plurality of lenses located at upper surfaces of the light emitting device packages in a contact fashion, wherein each of the lenses comprises a curved surface expressed by a start point (SP), an end point (EP), and two adjustment points (AP1 and AP2) of a Bezier curve represented as follows;
SP=(x,z),EP=(x,Z_E),AP1=(X_01,Z_01),AP2=(X_02,Z_02)(where x indicates positions in a direction intersecting a light axis, z indicates positions in a direction parallel to the light axis, SP is fixed, and 0.5 mm≤
Z_E≤
0.78 mm, 1.62 mm≤
X_01≤
1.8 mm, 1.44 mm≤
Z_01≤
1.5 mm, 0.19 mm≤
X_02≤
0.25 mm, and 1.06 mm≤
Z_02≤
1.26 mm, orX_01 is 1.0 mm, Z_01 is 0.9 mm, X_02 is 0.2 mm, Z_02 is 0.1 mm, and Z_E is 1.2 mm). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification