摘要:
A light guide plate (LGP) and a lighting lamp including the LGP. The LGP has no frame and is easy to be spliced together. The LGP includes at least one sub-LGP. The sub-LGP includes at least one light source portion that is opposite to the light source, and at least one light shield installation slot that is sunken inwards and arranged beside the light source portion.
摘要:
A display device includes a display panel, a display area, a non-display area, a substrate member attached to the display panel with an adhesive layer interposed therebetween and including a touch panel and an operation section formed in the non-display area and used for performing an input operation on the touch panel, a step portion formed at least by a side portion of the display panel and a side portion of the adhesive layer such that a void is generated in a part between the display panel and the substrate member, and a light source unit disposed in the void such that at least a part of the light source unit is superimposed on the display panel in the step portion and configured to supply illumination light to the operation section to light the operation section.
摘要:
In a liquid crystal device, when the local dimming is adopted, at a light guide plate of a lighting device, light guide plate portions having a trapezoidal planar shape where two sides facing each other in the Y-axis direction have different lengths are arranged in the X-axis direction to have reverse orientations in the Y-axis direction. A light emitting element emits the light of a light source from the end surface of the light guide plate portion which is located at a short side into the light guide plate portion. A light scattering surface is installed at the space between the light guide plate portions.
摘要:
The invention relates to a light-output device (1; 10; 30) controllable to provide different light-output functions. The light-output device comprises a light-source arrangement (12; 31) configured to emit light; and a light-guiding system (10; 32) arranged to receive the light and configured to guide the light to at least one light-output surface of the light-guiding system. The light-guiding system (10; 32) comprises at least a first light-guide (11b; 37) and a second light-guide (11a; 40, 41); and the light-guiding system (10; 32) is movable relative to the light-source arrangement (12; 31) between at least a first position where light output by the light-source arrangement is guided by the first light-guide (11b; 37) to provide a first light-output function, and a second position where light output by the light-source arrangement is guided by the second light-guide (11a; 40, 41) to provide a second light-out put function, different from the first light-output function. The present invention is based on the realization that different light-output functions conveniently and intuitively can be achieved by moving a light-guiding system comprising at least two light-guides relative to a stationary light-source arrangement. Hereby, different light-output functions can be achieved with a single stationary light-source arrangement.
摘要:
An LED lamp or LED lighting assembly includes a light guide having opposed major surfaces configured to propagate light by total internal reflection and a light input edge extending between the major surfaces. A light source is adjacent to the light input edge and is configured to edge light the light guide. In some embodiments, the light source is moveable relative to the light input edge, and the spectrum of the light output from the light guide may be adjusted by movement of the light source relative to the light input edge.
摘要:
A two-dimensional array of linear wave guides includes a plurality of 2D planar wave guide assemblies, columns, sets or layers which each produce a respective depth plane to for a simulated 4D light field. Linear wave guides may have a rectangular cylindrical shape, and may stacked in rows and columns. Each linear wave guide is at least partially internally reflective, for example via at least one opposed pair of at least partially reflective planar side walls, to propagate light along a length of the wave guide. Curved micro-reflectors may reflect some modes of light while passing others. The side walls or a face may reflect some modes of light while passing others. The curved micro-reflectors of any given wave guide each contribute to spherical wave front at a defined radial distance, the various layers producing image planes at respective radial distances.
摘要:
A lighting device improves light distribution uniformity. When a light emitting diode (LED) package module is applied to a straight-tube fluorescent lamp, characteristics of a circular surface light source with the LED may be efficiently embodied by varying a refractive index of a light guide member based on positions of the light guide member.
摘要:
The present invention is a light-emitting device (100) housing an illumination-target object (20), the light-emitting device (100) including: a pair of opening planes; an object placement member (1) on which the illumination-target object (20) is placed; a light guide member (2) for causing light introduced from an end of the light guide member (2) to exit from a light-exit surface (12) while guiding the light inside the light guide member (2); and a light source (3) provided at the end of the light guide member (2) and emitting light toward inside the light guide member (2), the light-exit surface (12) being formed into a hollow shape so that the illumination-target object (20) is housed inside the light-emitting device (100). This makes it is possible to easily and efficiently control an environment where the illumination-target object is placed.
摘要:
The present invention discloses a light-emitting device of a liquid crystal display apparatus, which includes a light bar and a frame. The frame has a surface having a fixing bar protruded therefrom. An extension direction of the fixing bar is parallel with the surface of the frame. A longer side of a main body of the light bar is attached to the fixing bar. Two ends of the fixing bar respectively have a heat-conductive portion mounted thereon. An inner surface of the heat-conductive portion is perpendicular to a length direction of the main body of the light bar and attached to a shorter side of the main body of the light bar. The present invention further discloses a liquid crystal display apparatus.
摘要:
An optical system utilizing a light pipe in which light travels by total internal reflection (TIR) accurately controls the light exiting the pipe. The system achieves accurate control of the reflected light by selectively extracting light from a limited area of the light pipe. The configuration of the reflectors used for the selective extraction of the light determines the nature of the output light. The reflectors are preferably located on an output side of the light pipe. All light output by the system is directed by the reflectors.