The present invention provides a lamp capable of preventing an increase in weight and dissipating heat of the LED module. The lamp of the present invention includes an LED module serving as a light source, a heat transfer unit, a light distribution unit, a casing including an opening, and a light transmissive cover. The LED module includes plural LEDs and an LED substrate having an LED-mounting surface on which the plural LEDs are mounted. The light distribution unit is disposed on a light emitting side of the LED module. The LED module and the light distribution unit are disposed in the casing. The light transmissive cover is disposed over the opening of the casing. The LED module is disposed in the casing to be distanced from the casing. The heat transfer unit is disposed such that heat of the LED module can be dissipated into the casing.

The invention provides a vapor chamber element (1000), wherein the vapor chamber element (1000) comprises a first plate (110) and a second plate (120) with a chamber (100) in between, wherein the chamber (100) has a first height (H1), wherein the vapor chamber element (1000) further comprises bridging elements (150) bridging at least part of the first height (H1), wherein the vapor chamber element (1000) comprises a plurality of sections (130) configured along a first axis (A), wherein the plurality of sections 130) comprises (i) a bending section (131) having a first volume fraction V.sub.1 of bridging elements (150), and (ii) a basic section (133) having a second volume fraction V.sub.2 of bridging elements (150), wherein 2≤V.sub.1/V.sub.2.

The invention provides a vapor chamber element (1000), wherein the vapor chamber element (1000) comprises a first plate (110) and a second plate (120) with a chamber (100) in between, wherein the chamber (100) has a first height (H1), wherein the vapor chamber element (1000) further comprises bridging elements (150) bridging at least part of the first height (H1), wherein the vapor chamber element (1000) comprises a plurality of sections (130) configured along a first axis (A), wherein the plurality of sections 130) comprises (i) a bending section (131) having a first volume fraction V.sub.1 of bridging elements (150), and (ii) a basic section (133) having a second volume fraction V.sub.2 of bridging elements (150), wherein 2≤V.sub.1/V.sub.2.

According to one aspect, an optical waveguide comprises a plurality of coupling cavities for directing light into a waveguide body spaced from a particular point. Further, each of the coupling cavities comprises a dimension that varies with distance from the particular point.

A runway-embedded flash lighting device, includes a body configured to be embedded in a runway; a ceiling member including a flash emission window and disposed in an upper opening of the body and configured to be exposed to a runway surface when the body is embedded in the runway; a light guide member disposed in the flash emission window; an LED flash light source disposed inside the body and configured to emit a flash toward the light guide member; and a heat conducting member, wherein the light guide is configured to allow the flash emitted from the LED flash light source to be emitted from the flash emission window, the heat conducting member is disposed inside the body and includes a first part in contact with the LED flash light source, and a second part in contact with the ceiling member.

A runway-embedded flash lighting device, includes a body configured to be embedded in a runway; a ceiling member including a flash emission window and disposed in an upper opening of the body and configured to be exposed to a runway surface when the body is embedded in the runway; a light guide member disposed in the flash emission window; an LED flash light source disposed inside the body and configured to emit a flash toward the light guide member; and a heat conducting member, wherein the light guide is configured to allow the flash emitted from the LED flash light source to be emitted from the flash emission window, the heat conducting member is disposed inside the body and includes a first part in contact with the LED flash light source, and a second part in contact with the ceiling member.

The invention provides a vapor chamber element (1000) comprising a first part (1100), a second part (1200), and a third part (1300), wherein the second part (1200) and third part (1300) are associated to the first part (1100), wherein the second part (1200) and third part (1300) are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening (200) between the second part (1200) and the third part (1300); wherein the vapor chamber element (1000) comprises one or more vapor chambers (100) at least partially comprised by the second part (1200) and third part (1300); wherein the vapor chamber element (1000) further comprises one or more heat fin elements (2000), wherein the one or more heat fin elements (2000) comprise one or more heat fins (2100), wherein the one or more heat fin elements (2000) bridge the first distance (d1) and close a part of the opening (200).

The invention provides a vapor chamber element (1000) comprising a first part (1100), a second part (1200), and a third part (1300), wherein the second part (1200) and third part (1300) are associated to the first part (1100), wherein the second part (1200) and third part (1300) are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening (200) between the second part (1200) and the third part (1300); wherein the vapor chamber element (1000) comprises one or more vapor chambers (100) at least partially comprised by the second part (1200) and third part (1300); wherein the vapor chamber element (1000) further comprises one or more heat fin elements (2000), wherein the one or more heat fin elements (2000) comprise one or more heat fins (2100), wherein the one or more heat fin elements (2000) bridge the first distance (d1) and close a part of the opening (200).

An LED light source apparatus includes a lamp housing, a lighting module, and a lens. The lamp housing has a first shell body, a second shell body, and a waterproof pad disposed between the first and second shell bodies. The first shell body and the second shell body are covered to each other. The second shell body has an opening. The waterproof pad is provided with a throughhole corresponding to the opening. A light guide flap is disposed on the perimeter of the opening of the second shell body. The lighting module is disposed inside the lamp housing corresponding to the opening. The lens is installed on a side of the lamp housing corresponding to the lighting module. Therefore, the components or the lighting module with a different power can be conveniently replaced by modules and thus the present invention has the flexibility in replacement and maintenance.

The invention discloses a lamp radiator, including a heat conducting plate, wherein the heat conducting plate is fixed together with a fin group for heat dissipation; and a power supply box equipped with a power supply is respectively fixed at the left side and the right side of the heat conducting plate when the lamp radiator is used. The heat conducting plate is an integrated structure which is composed of a base plate and two leg plates; and the cross section of the heat conducting plate is Π-shaped. The length of the fin group for heat dissipation may be changed according to the power of an energy-saving lamp; and the lamp radiator further includes a heat pipe. The invention also discloses an LED energy-saving lamp having the above lamp radiator. When the lamp radiator and the energy-saving lamp according to the invention are used, heat is dissipated upwards through the lamp radiator, so that the service life of the power supply can be prolonged; moreover, the length of the fin group may be changed according to the power of the energy-saving lamp, and fin groups with different lengths may be produced by only using one set of molds, so that cost is reduced; and in addition, through the design of the heat conducting plate, the fin group, the heat pipe and the like, the heat dispersion performances are good, and the lamp radiator and the LED energy-saving lamp can be widely applied to the illumination field.