prior to proceeding to the more detailed description of the present invention , it should be noted that , for the sake of clarity and understanding , identical components which have identical functions have been identified with identical reference numerals throughout the several views illustrated in the drawing figures . fig1 shows a perspective view of a traditional led chip that has luminary 1 on top of base 2 , a thermal pad 3 and electrodes 4 and 5 are underneath the base . fig2 shows a sectional view of traditional led 2 mounted on top side of a pcb 10 and corporate with a heat sink 20 at the other side of pcb . both electrodes and thermal pad of led are connected toward pcb 10 at below . fig3 shows another perspective view of a led 2 has only thermal pad 3 at underneath of led base 2 . a corporative pcb 10 with cut out 15 for exposing luminary 1 . pcb 10 has contact points 11 and 12 facing downward to led base 2 . fig4 shows another perspective view of a led 2 , same as fig3 . wherein shows electrodes 4 and 5 at top side led base 2 . electrodes 4 and 5 are facing upward toward pcb 10 from above . fig6 shows another perspective view of a example , showing at least two led luminaries 1 , sharing one pcb 10 and one heat conductive object 20 . pcb 10 is fasten by two screws 21 on to heat conductive object 20 and can be used to hold down led 1 . fig7 shows a perspective view of two led 2 mounted on top of a heat connective object 20 with screws 21 . circuitry is provided by electrical wires 50 solder on electric contacts 4 , 5 . electric contacts 4 , 5 are away from heat conductive object 20 . fig8 shows a perspective view of two instances of presenting invention , each led comprising of a led luminary 1 , a main body structure 42 , an penetrative thermal stub 43 underneath the body structure 42 for entering and anchoring to heat conductive object 20 , two electric contacts 4 , 5 are at up side of main body structure 42 . fig9 shows a perspective view of presenting invention and a heat conductive object with two pre - drilled pilot holes 25 to accept penetrative thermal stub 43 . thermal stub 43 may have screw thread to bite into edge of hole 25 or just fasten with friction force to hole 25 wall tightly . fig1 shows a perspective view of two presenting led 42 bound on top of a heat conductive object . circuitry are connected by flexible wires 50 . fig1 shows a perspective view of a present invention comprising of a led luminary 1 , a main body structure 32 , a thermal pad 3 is underneath the body 32 , two electric contact 4 , 5 and two clamping walls 30 . clamping walls 30 are to clamp on both side surfaces of a matching plate 20 . matching plate 20 has two large side surfaces and narrower edge surface 22 around said side surfaces . electric contacts 4 , 5 are away from matching plate 20 . fig1 shows another perspective view of present invention same as in fig8 . when this improved led device 32 goes down to clamp at edge of matching plate 20 , underneath thermal pad 3 would made direct contact with edge surface 22 of a plate . the clamping would work best when plate has matching thickness close to distance between two clamping walls 30 of said led device 32 . fig1 shows a perspective view of a present invention , similar to fig8 and 9 ; in additional the device 32 has snap bumps 35 alongside of clamping wall 30 ; the plate 20 has matching notch hole 23 for accepting snap bumps 11 . when bump snap 35 is actuated with notch hole 23 , the device 32 is held at desired position . fig1 is another view of a present invention same as in fig1 . wherein the device &# 39 ; s snap bumps 35 actuated into notch holes 23 to hold the device 32 in position . fig1 is a perspective view of a present invention ; where an adaptor device has body structure 33 is designed to work with a traditional led device 2 same as in fig1 . adaptor 33 has groove channels 31 to accept base 2 of led . once adaptor 33 is integrated with led device 2 , adaptor device 33 has two clamping walls 30 to clamp on both side surfaces of a matching plate 20 and position led 2 to sit on the edge surface 22 of plate . fig1 is a perspective view of a present invention ; where an adaptor device 53 is designed work with a traditional led 2 same as fig1 . said adaptor device has a hex nut shape base 53 and bulge thermal stub 43 extend from under said base 53 to top side of base to make contact with thermal pad 3 of a traditional led 2 . said base 53 also has electrodes 54 , 55 to make contact with electrodes 4 , 5 of traditional led 2 .