Lighting device comprising shield element, and shield element

1. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first vent through which gas can pass to exit from the space,

the shield element blocking the first light source from direct view from at least all locations outside the shield element that are to a light emission side of an emission plane of the first light source, the emission plane extending through the first light source,

the first vent to the light emission side of the emission plane,

the emission plane and the vent on opposite sides of the space.

2. A lighting device as recited in claim 1 , wherein outer surfaces of the shield element correspond to portions of a shape of an A lamp.

3. A lighting device as recited in claim 1 , wherein at least part of the shield element is substantially transparent.

4. A lighting device as recited in claim 1 , wherein the first light source is a solid state light emitter.

5. A lighting device as recited in claim 1 , wherein the first light source is a light emitting diode.

6. A lighting device as recited in claim 1 , wherein the lighting device further comprises at least one active cooling element.

7. A lighting device, comprising

a shield element;

at least a first light source; and

a support,

the first light source on the support,

the shield element comprising regions that define an opening,

the shield element comprising at least a first vent,

the first light source within a space completely defined by the opening, the support, the shield element and the at least a first vent,

gas within the space can pass through the first vent to exit from the space,

the shield element blocking the first light source from direct view from at least all locations outside the shield element that are to a light emission side of an emission plane of the first light source,

an entirety of the space to the light emission side of the emission plane,

the first vent to the light emission side of the plane.

8. A lighting device as recited in claim 7 , wherein a substantial entirety of a periphery of the opening is parallel to the plane.

9. A lighting device as recited in claim 7 , wherein outer surfaces of the shield element correspond to portions of a shape of an A lamp.

10. A lighting device as recited in claim 7 , wherein at least part of the shield element is substantially transparent.

11. A lighting device as recited in claim 7 , wherein the first light source is a solid state light emitter.

12. A lighting device as recited in claim 7 , wherein the first light source is a light emitting diode.

13. A lighting device as recited in claim 7 , wherein the plane defined by at least portions of the opening is substantially parallel to an emission plane of the first light source.

14. A lighting device as recited in claim 7 , wherein the lighting device further comprises at least one active cooling element.

15. A shield element, comprising:

shield element regions that define a space; and

at least a first vent through which gas can pass to exit from the space,

the shield element blocking at least a first location within the space from direct view from at least all locations outside the shield element that are to a first side of a first plane, the first plane perpendicular to an axis of the shield element, and the first plane extending through the first location,

the first vent to the first side of the first plane,

the shield element configured to allow at least some light emitted from the first location to pass directly through the first vent and the shield element.

16. A shield element as recited in claim 15 , wherein:

the shield element further comprises at least a second vent,

the first vent comprises at least first and second vent portions, and

the second vent comprises at least third and fourth vent portions.

17. A shield element as recited in claim 15 , wherein outer surfaces of the shield element correspond to portions of a shape of an A lamp.

18. A shield element as recited in claim 15 , wherein at least part of the shield element is substantially transparent.

19. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least one vent through which gas can pass to exit from the space,

the shield element blocking the first light source from direct view from at least all locations outside the shield element that are to a first side of an emission plane of the first light source, the emission plane extending through the first light source,

an entirety of the space to the first side of the emission plane.

20. A lighting device, comprising

a shield element; and

at least a first light source,

the shield element comprising regions that define an opening,

the first light source within a space defined by portions of the shield element and the opening,

the shield element comprising at least one vent through which gas can pass to exit from the space,

the shield element blocking the first light source from direct view from at least all locations outside the shield element that are to a first side of a plane defined by at least portions of the opening,

an entirety of the space to the first side of the plane,

the plane and the vent on opposite sides of the space.

21. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first vent through which gas can pass to exit from the space,

the light source shielded from direct view through the vent from a position outside the space by at least a portion of the shield element,

an entirety of the space to an emission side of an emission plane of the first light source.

22. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first shield member and at least a first vent through which gas can pass to exit from the space,

at least some light directly from the light source passing through the first shield member and the first vent.

23. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first shield member and at least a first vent through which gas can pass to exit from the space,

the first shield member blocking the first light source from direct view through the first vent,

an entirety of the space to an emission side of an emission plane of the first light source.

24. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first shield member and at least a first vent through which gas can pass to exit from the space,

the first vent substantially symmetrical with respect to an axis of the lighting device,

an entirety of the space to an emission side of an emission plane of the first light source.

25. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first shield member and at least a first vent through which gas can pass to exit from the space,

an entirety of the space to an emission side of an emission plane of the first light source.

26. A lighting device, comprising:

a shield element; and

at least a first light source,

the first light source within a space defined by portions of the shield element,

the shield element comprising at least a first vent through which gas can pass to exit from the space,

an emission plane of the first light source extending through the first light source,

an entirety of the space to an emission side of the emission plane.

27. A shield element, comprising:

shield element regions that define a space; and

at least a first vent through which gas can pass to exit from the space,

the shield element blocking at least a first location within the space from direct view from at least all locations outside the shield element that are to a first side of a first plane,

substantially all portions of the shield element translucent or transparent.