Patent Application
20140126210
1. Technical Field
The present invention relates to a single side illumination light bulb, especially a bulb with an adjustment mechanism which makes the illumination direction of the lamp adjustable.
2. Description of Related Art
This invention discloses a light bulb which has a single side illumination panel as a light source for the bulb. A light emitted diode matrix is configured on a top surface of the illumination panel. Further, the disclosed light bulb in this invention has a rotation mechanism which is devised for the user to adjust the illumination direction of the bulb so that the light beam is able to shed on a desirable direction.
An inner trumpet 67 is rotatably mounted on the tapered end 651; an inner screw 671 is extended from the inner trumpet 67; a spring metal 61 is configured on the axis tube 653 at an end protruded from the inner screw 671.
An outer trumpet 80 is firmly fixed to the plastic housing 65 for holding the inner trumpet 67 and renders the inner trumpet 67 to be freely rotatable with reference to the plastic housing 65.
A lamp base 50 has a bottom metal 51 on the bottom as a first electrode and a metal screw 52 on the peripheral as a second electrode. The metal screw 52 is mechanically coupled to the inner screw 671 at an inner higher position. The metal screw 52 is electrically and rotatably coupled to the spring metal 64 at an inner lower position when the components have been assembled.
A metal tube 64 is composed of a flat metal 64F and a curved metal 64C; hollow space 642 is enclosed by the flat metal 64F and the curved metal 64C; a single side illumination panel 73 is configured on a top surface of the flat metal 64F; and the plastic housing 65 wraps over the outside surface of the curved metal 64C but exposes the outside surface of the flat metal 64F. The hollow space 642 communicates with the central passage 654 of the plastic housing 65.
A stopper bump 672 is configured on a ring fringe of the inner trumpet 67; and a position bump 63 is configured on a top surface of the tapered end 651; the position bump 63 is configured rotatably with reference to the stopper bump 672. A control unit 74 is housed in the hollow space 642; the control unit 74 is electrically coupled to the illumination panel 73 at one end; and electrically coupled to the spring metal 64 and the bottom metal 51 at the other end. A light cover 72 is configured on a top of the illumination panel 73 to diffuse or modify the light beam from the light emitted diodes before they emit out of the lamp. An end cover 71 is configured on an open end of the hollow space 642.
The control unit 74 has a first pair of lead 751, 752 at one end, and has a second pair of lead 761, 762 at a second end. The first paired lead 751,752 is electrically coupled to the illumination panel 73; and the second paired lead 761, 762 is electrically coupled to the electrode 51 and metal screw 52 respectively.
A spring metal 61 is adapted to be configured in a cavity 681 at an end of the axis tube 653 exposed out of the inner screw 671. The spring metal 61 is electrically coupled to one electrode of the control unit 74.
A cavity 681 is configured in the axis tube 653 at an end. A metal seat 682 is configured in the cavity 681.
The spring metal 61 is electrically coupled to the metal screw 52 with its paired wing. When the top portion of the lamp is rotated, the spring metal 61 is rotating accordingly and contacts elastically against the outer screw 52
While several embodiments have been described by way of example, it will be apparent to those skilled in the art that various modifications may be configured without departing from the spirit of the present invention. Such modifications are all within the scope of the present invention, as defined by the appended claims.
