Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.

The invention relates to a freezer illumination lens system, comprising a lighting fixture, a lens connected with the lighting fixture and a mounting groove configured for receiving a printed circuit board supporting a LED light source by insertion. The lens comprises a light transmitting main portion, a first light transmitting auxiliary portion and a second light transmitting auxiliary portion. The light transmitting main portion is configured and arranged relative to the LED light source such that a major portion of light emitted by the LED light source is focused, and the first light transmitting auxiliary portion and the second light transmitting auxiliary portion are arranged along long sides of the light transmitting main portion. The invention has the advantages that the utilization rate of light can be improved, the illumination can be uniform, and the overall illumination effect can be improved.

A lighting device with a multiple light function includes an optical component (1) which includes a transparent segment (1a) having a primary transparent part (2) and a secondary transparent part (3) which parts are connected to each other by an interconnecting channel (4). A non-transparent segment (1b) is connected to the transparent segment (1a). A primary lighting unit (2a) illuminates the primary transparent part (2) and a secondary lighting unit (3a) illuminates the secondary transparent part (3). Leading-out optics are formed by prismatic elements (6) in the interconnecting channel (4) of the transparent segment (la) of the optical component (1). Against the leading-out optics, a light absorber (8) is formed in the part of the non-transparent segment (1b) overlapping the interconnecting channel (4). The light absorber (8) being adapted to convert light energy into thermal energy.

A LED light apparatus includes a central beam module, a peripheral light module, a support housing and a cap. The central beam module has a beam lens for converting a first light to form a light beam. The peripheral light module has a light passing ring. The light passing ring surrounds the beam lens for converting a second light to form a peripheral light. The peripheral light has a lower intensity strength than the light beam. The support housing fixes the central beam module and the peripheral light module. The cap is fixed to the support housing for plugging in an external socket for getting an external power supply.

A vehicular lighting fixture is a vehicular lighting fixture configured to illuminate a side in front of a vehicle, and includes a parallel light illumination device configured to emit parallel light and a projection optical system configured to project the parallel light emitted from the parallel light illumination device to a forward side, and in the projection optical system, a focal length of a horizontal component is smaller than a focal length of a vertical component.

A head-up display assembly including a printed circuit board having a plurality of light emitting elements. A display element is illuminated by the plurality of light emitting elements. A total internal reflection (TIR) lens array includes a plurality of TIR lenses. Each one of the plurality of TIR lenses is aligned with a different one of the plurality of light emitting elements to reflect light emitted by the plurality of light emitting elements to the display element to illuminate the display element.

Provided is a reflector for an LED lamp, including: a bottom portion having a first surface and a second surface opposite to each other, and a light hole formed to penetrate through the first surface and the second surface of the bottom portion. The first surface is mounted on a printed circuit board (PCB), so that a light source unit disposed on the PCB is located in the light hole and protrudes over the second surface, and a light emitting surface of the light source unit keeps a first distance from the second surface, and a vertical surface of a periphery of the light source unit keeps a second distance from a boundary between the second surface and the reflecting surface. A reflecting surface surrounds around the bottom portion and extends obliquely towards a direction away from the second surface, so that an angle is formed between the reflecting surface and the light emitting surface of the light source unit. In such a way, the light emitted at or near the edge of the light source unit can be effectively output and thus the luminous efficiency thereof can be improved.

Provided is a reflector for an LED lamp, including: a bottom portion having a first surface and a second surface opposite to each other, and a light hole formed to penetrate through the first surface and the second surface of the bottom portion. The first surface is mounted on a printed circuit board (PCB), so that a light source unit disposed on the PCB is located in the light hole and protrudes over the second surface, and a light emitting surface of the light source unit keeps a first distance from the second surface, and a vertical surface of a periphery of the light source unit keeps a second distance from a boundary between the second surface and the reflecting surface. A reflecting surface surrounds around the bottom portion and extends obliquely towards a direction away from the second surface, so that an angle is formed between the reflecting surface and the light emitting surface of the light source unit. In such a way, the light emitted at or near the edge of the light source unit can be effectively output and thus the luminous efficiency thereof can be improved.

The present disclosure relates to a wavelength conversion device, a light source and a projection device. A light conversion region and a light path conversion region are provided on one surface of the wavelength conversion device. The light path conversion region includes a first segment and a second segment. The first segment and the second segment are configured to alternately receive excitation light and respectively guide the excitation light to different preset light paths. The light conversion region is provided with a wavelength conversion material for receiving excitation light emitted from one of the segments, converting the received excitation light into excited light that has at least one wavelength range different from a wavelength of the excitation light, and emitting the excited light.

A vehicular lighting fixture is a vehicular lighting fixture configured to illuminate a side in front of a vehicle, and includes a parallel light illumination device configured to emit parallel light and a projection optical system configured to project the parallel light emitted from the parallel light illumination device to a forward side, and in the projection optical system, a focal length of a horizontal component is smaller than a focal length of a vertical component.