Abstract:
The present invention relates to a lens for an illuminating device, comprising two oppositely arranged sub-lenses, wherein the sub-lenses respectively have two surfaces facing away from each other, wherein at least one surface is configured as a wavy-like surface structure, and the two sub-lenses are capable of moving relatively between a first relative position and a second relative position, such that parallel beam from a light source of the illuminating device produce parallel beam at the first relative position after entering through one of sub-lens and exiting through the other sub-lens, while producing non-parallel beam at the second relative position after entering through one sub-lens and exiting through the other sub-lens.In addition, the present invention further relates to an illuminating device.
Abstract:
The present invention relates to a lens for an illuminating device (100), having a base (1) and a region protruding from the base (1) to define an accommodating cavity for accommodating a light source (5) of the illuminating device (100), wherein the protruding region has one surface facing away from the light source (5) configured as an emergent surface (2) and one surface facing to the light source (5) configured as an incident surface (4), and wherein the emergent surface (2) and the incident surface (4) are symmetrical with respect to a first symmetric plane (V1) passing through an optical axis (A) of the light source (5), and asymmetrical with respect to a second symmetric plane (V2) passing through the optical axis (A) and perpendicular to the first symmetric plane (V1), and wherein curves of the emergent surface (2) and the incident surface (4) are configured in such a manner that light emitted from the light source (5) produces a uniform luminance (L) after emitted from the emergent surface (2) at various angles and reflected by various positions of an illuminated surface (S) of an object to be illuminated. The present invention also relates to an illuminating device (100) having such lens.
Abstract:
A LED lighting device is disclosed, which comprises a LED lighting source (1), a printed circuit board (3), a heat sink (4) and a transparent cover (5). The LED lighting source (1) is provided on the printed circuit board (3) and the cover (5) is attached to the heat sink (4) for protecting the LED lighting source (1) and the printed circuit board (3). The present invention is characterized in that, the LED lighting device further includes a rivet (6) made of plastics, which is used to fix the printed circuit board (3) to the heat sink (4). The LED lighting device of the present invention simplifies the complexity of the design and the manufacture of the printed circuit board and there is no need to consider more about the insulativity between the mounting hole of the printed circuit board and the circuit and the electrical element of the printed circuit board. Therefore, the producing efficiency is improved and the manufacturing cost is reduced.
Abstract:
The present invention relates to an LED light-emitting module comprising: a base board (1) with at least one groove (2); at least one printed circuit board (3) with an array of LED chips (4), respectively arranged in the groove (2), wherein respective LED chips (4) are directly mounted on the printed circuit board (3) through a COB process, and the LED light-emitting module further comprising with a reflector (5) on a side wall of the groove (2) to reflect light from the LED chips (4). In addition, the present invention further relates to a method for manufacturing the LED light-emitting module. The LED light-emitting module according to the present invention can produce a polarizing effect, and therefore is particularly suited to the street illumination; moreover, the LED light-emitting module has the advantages of a simple structure, a low cost and a small thermal resistance.
Abstract:
A LED lighting device is disclosed, which includes a LED lighting source, a printed circuit board, a heat sink and a transparent cover. The LED lighting source is provided on the printed circuit board, and the cover is attached to the heat sink for protecting the LED lighting source and the printed circuit board. The LED lighting device further includes a rivet made of plastics, which is used to fix the printed circuit board to the heat sink.
Abstract:
The present invention relates to a lighting device, comprising: an electronic device housing (1); an electrical connecting part (2) mounted at one side of the electronic device housing (1); a heat sink (3) mounted at the other side of the electronic device housing (1); and multiple light sources (4) arranged on the heat sink (3), characterized in that, the heat sink (3) is made of transparent material and forms at least a part of a light emergent surface for the light from the light sources (4).
Abstract:
The present invention relates to a lens array (100), characterized by comprising a first lens unit (10) and a second lens unit (20), wherein the first lens unit (10) comprises a first substrate (11) and at least one first lens body (12) arranged on the first substrate (11), and the second lens unit (20) comprises a second substrate (21) and at least one second lens body (22) arranged on the second substrate (21), and wherein the first substrate (11) and the second substrate (21) are removably nested together. In addition, the present invention further relates to an illuminating device comprising such lens array.
Abstract:
The present invention relates to an illuminating device, comprising a lens (1), a light-emitting module (2) with an encapsulation layer (5) and a circuit board (3), wherein the light-emitting module (2) is arranged on the circuit board (3) and the lens (1) is fixed on the circuit board (3) to define an accommodation cavity (4) for accommodating the light-emitting module (2) with the encapsulation layer (5), wherein a transparent filler (6) is potted into the accommodation cavity (4), a refractive index (n1) of the filler (6) is greater than or equal to a refractive index (n2) of the lens (1) and smaller than or equal to a refractive index (n3) of the encapsulation layer (5), or, the refractive index (n1) of the filler (6) is greater than or equal to the refractive index (n3) of the encapsulation layer (5) and smaller than or equal to the refractive index (n2) of the lens (1). The present invention further relates to a method for assembling the illuminating device. The illuminating device of the present invention is easily installed with a compact structure, and has a high optical efficiency and light output quantity so as to obtain an ideal light distribution pattern.
Abstract:
The present invention relates to a lens (100) for an illuminating device and an illuminating device having a lens of the above mentioned type, wherein the lens (100) comprises a bottom plate (1) and at least one optical part (2) formed on the bottom plate (1), wherein the lens (100) further comprises at least two assembly parts (3) that are position-fixedly formed on the bottom plate (1), and the assembly parts (3) are configured to be respectively aligned with assembly positions (41) on a circuit board (4) of the illuminating device and configured to allow to be soldered to the circuit board (4).
Abstract:
An illumination device according to an embodiment of the present technique comprises: a housing comprising a bottom portion and a side wall portion; a light guide plate provided on the bottom portion of the housing and comprising a side surface, a first surface, and a second surface facing the first surface, the second surface being closer to the bottom portion of the housing than the first surface; and a plurality of light sources provided on the side surface of the light guide plate and emitting light to the side surface, the light emerging from the first surface of the light guide plate to the outside, after travelling in the light guide plate. By providing the light guide plate, the illumination device according to an embodiment of the present technique can mix the light from the plurality of light sources with a very small light loss. Thus, the illumination device can maintain high luminous efficiency, and obtain a smooth emergent light intensity distribution, without producing multiple shadows.