FIG. 1 is a front, right, and top perspective view of a first embodiment of a light therapy device showing my new design;
FIG. 2 is a rear, left, and bottom perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged view of portion 9 shown in FIG. 1;
FIG. 10 is a front, right, and top perspective view of a second embodiment of a light therapy device showing my new design;
FIG. 11 is a rear, left, and bottom perspective view thereof;
FIG. 12 is a front elevation view thereof;
FIG. 13 is a rear elevation view thereof;
FIG. 14 is a left side elevation view thereof;
FIG. 15 is a right side elevation view thereof;
FIG. 16 is a top plan view thereof;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is an enlarged view of portion 18 shown in FIG. 10;
FIG. 19 is a front, right, and top perspective view of a third embodiment of a light therapy device showing my new design;
FIG. 20 is a rear, left, and bottom perspective view thereof;
FIG. 21 is a front elevation view thereof;
FIG. 22 is a rear elevation view thereof;
FIG. 23 is a left side elevation view thereof;
FIG. 24 is a right side elevation view thereof;
FIG. 25 is a top plan view thereof;
FIG. 26 is a bottom plan view thereof;
FIG. 27 is an enlarged view of portion 27 shown in FIG. 19;
FIG. 28 is a front, right, and top perspective view of a fourth embodiment of a light therapy device showing my new design;
FIG. 29 is a rear, left, and bottom perspective view thereof;
FIG. 30 is a front elevation view thereof;
FIG. 31 is a rear elevation view thereof;
FIG. 32 is a left side elevation view thereof;
FIG. 33 is a right side elevation view thereof;
FIG. 34 is a top plan view thereof;
FIG. 35 is a bottom plan view thereof;
FIG. 36 is an enlarged view of portion 36 shown in FIG. 28;
FIG. 37 is a front, right, and top perspective view of a fifth embodiment of a light therapy device showing my new design;
FIG. 38 is a rear, left, and bottom perspective view thereof;
FIG. 39 is a front elevation view thereof;
FIG. 40 is a rear elevation view thereof;
FIG. 41 is a left side elevation view thereof;
FIG. 42 is a right side elevation view thereof;
FIG. 43 is a top plan view thereof;
FIG. 44 is a bottom plan view thereof; and,
FIG. 45 is an enlarged view of portion 45 shown in FIG. 37.
The dash-dash broken lines in the drawings depict portions of the light therapy device that form no part of the claimed design. The dot-dash broken lines shown in FIGS. 1, 9, 10, 18, 19, 27, 28, 36, 37, and 45 are for the purpose of annotating the enlarged views only and form no part of the claimed design.