41results about How to "Maximize light efficiency" patented technology

A light emitting device comprises: a concave mirror having one focal point; a plurality of main light sources each of which is arranged between the focal point and a light reflection surface of the concave mirror, and emits light toward the light reflection surface; and a plurality of main lenses each of which is arranged between a corresponding one of the main light sources and the light reflection surface, refracts the light emitted from the corresponding main light source toward the light reflection surface, and produces a virtual image of the main light source on the focal point situated at a backside of the main light source.

An improved plasma lighting system is provided which includes a bulb filled with both metal halide and mercury as primary light-emitting materials. By maintaining an operating pressure of the metal halide at between approximately 0.1 and 10 atm, and an operating pressure of the mercury at between approximately 30 and 150 atm, a point source of light characteristic and a spectrum characteristic of the emitted light is improved. Therefore, the plasma lighting system can be applied to an optical system that requires a point source of light, and can maximize lighting efficiency to provide improved overall emission characteristics.

A three-dimensional augmented reality head-up display includes a display device functioning as a light source; and a freeform surface mirror for reflecting light from the light source onto a windshield of a vehicle. An image created by the light from the light source is focused on the ground in front of the vehicle as a virtual image of a three-dimensional perspective, through a reflection method in which the light from the light source is reflected onto the windshield by means of the freeform surface mirror.

The present invention relates to a high-density optical disk having thin film layer made from a thermochromic polymer with a red-shift which exhibits self-focusing and optical bleaching. After an incident light beam passes through the polymer medium, not only can the spot size of the beam be reduced but also transmittance can be enhanced due to these kinds of third-order nonlinear optical response. Thus, a high-density disk structured according to the present invention is capable of the signal reproduction resolution beyond the diffraction limit with an efficient reflectivity. Accordingly, data recording density of a high-density disk can be improved greatly.

Provided is a blind spot detection module, including: a light source module linked with a sensor signal for detection of an object in an area behind a vehicle to emit light; and a reflector module including a warning optical pattern for transmitting light emitted from the light source module, wherein the light source module comprises a light guide member adopted to receive a light emitting element and to guide light to the reflector module.

The present disclosure relates to a flat panel display having an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display having an image sensor comprising: a display panel including a display area and a non-display area, the display panel having a top surface; a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel; a sensing light control film disposed under the display panel; and an image sensor disposed under the sensing light control film.

The present invention pertains to a vehicle lamp, comprising: a lamp body in which a first illuminating direction and a second illuminating direction perpendicular to the first illuminating direction are open; an illumination lens for forming a lamp by closing the lamp body and having a first illumination surface through which the light from the light source outgoes to the first illuminating direction, and a second illumination surface through which the light from the light source outgoes to the second illuminating direction; a first reflecting surface for reflecting the light from the light source into the first illuminating direction; a shield for shielding a part of the light proceeded from the light source to the first illuminating direction; and a second reflecting surface formed on the surface facing the light source of the shield, wherein the second reflecting surface reflects and directs the light shielded by the shield into the second illuminating direction. Accordingly, it is possible to provide a vehicle lamp with a shield of a double directional illumination structure that can emit light into a lateral direction without interfering with forward illumination by means of one light source, achieving high light efficiency and maximized spatial utilization.