Abstract: Provided are a light guide plate assembly, a backlight module, and a display device, which relate to the field of display technologies, and improve uniformity of the light intensity of light emitted from different areas in the light guide plate assembly. The light guide plate assembly includes a reflection portion having an aperture; and a transmission portion. At least part of the transmission portion is located in the aperture. The transmission portion includes a converging portion and a diverging portion. The converging portion is configured to make light that enters the converging portion be converged towards a direction away from a center of the aperture. The diverging portion is configured to make light that enters the diverging portion be diverged towards a direction away from the center of the aperture. The converging portion is located at a side of the transmission portion away from the center of the aperture.

Abstract: A directional liquid crystal display, capable of suppressing Moiré patterns, includes a liquid crystal display module; a backlight module with a small divergence angle, for emitting light toward the liquid crystal display module, wherein a full width at half maximum (FWHM) of light energy distribution of the backlight module is less than 50 degrees; and a light directivity module, disposed between the backlight module and the liquid crystal display module.

Abstract: Light-emitting diode (LED) packages, and more particularly broad electromagnetic spectrum LED packages are disclosed. Individual LED packages are disclosed that are capable of emitting various combinations of peak wavelengths across a broad electromagnetic spectrum, including one or more combinations of ultraviolet, visible, and infrared peak wavelengths. Such LED packages may also be broadly tunable across portions of the electromagnetic spectrum ranging from ultraviolet to infrared wavelengths. By providing such capabilities within a single light source provided by a single LED package, larger and more complex systems for broadband emissions that include multiple light sources, complex optical systems, mirrors, filters, and additional components may be avoided. LED chip arrangements, control schemes, and encapsulant arrangements are also disclosed for such broad electromagnetic spectrum LED packages.

Abstract: The present disclosure relates to an implant surface modification treatment device including an internal electrode having a barrel-shaped structure and a surface on which a plurality of transmission parts are formed, an ultraviolet (UV) discharge vessel having a barrel-shaped structure that accommodates the internal electrode and has a gas-filled area filled with a discharge gas that serves as a UV light source, and an external electrode accommodating the UV discharge vessel inside thereof, wherein an implant fixture is placed inside the internal electrode to perform surface modification.

Abstract: A backlight module and an electronic device are provided. The backlight module, having a main region and a peripheral region near the main region, includes a light conversion layer, multiple light conversion patterns located in the peripheral region, and multiple light emitting units emitting a light beam. A first portion and a second portion of the light beam emitted respectively from the main region and the peripheral region both have at least one corresponding position in a CIE 1931 color space. One among the at least one corresponding position of the first portion of the light beam has corresponding coordinates (x1, y1). One among the at least one corresponding position of the second portion of the light beam has corresponding coordinates (x2, y2). The corresponding coordinates (x1, y1) and the corresponding coordinates (x2, y2) satisfy the following relation: 0?|x1?x2|?0.2.

Abstract: The disclosure refers to an encapsulated illuminated glazing in which a cavity is first formed in the encapsulation and then, after completion of the encapsulation, the light strip is slid into and installed in the cavity.

Abstract: Light emitting diode (LED) light tubes having rotatable end cap assemblies are described. The LED light tubes include a hollow tube and a circuit board with LED chips thereon. The end cap assemblies are provided on either end of the tube. Each end cap assembly includes a socket cap, a plug having a plug body and at least one connector, and an end cap body, one end of which engages one of the ends of the hollow tube. A cam locking mount that is positioned within the plug body and on the opposite side has projections to be positioned in the bore of the end cap body. A rotation cam is seated in the cam locking mount and provides for controlled rotation of the LED tube relative to the end caps. Methods of installing the LED light tubes in new installations and retrofit installations and for use in sign assemblies are also described.

Abstract: A light guide assembly, comprising: a substrate and a light guide disposed on the substrate, wherein the top surface of the body comprises a first protrusion having a first slanting surface and a second slanting surface opposite to the first slanting surface for reflecting lights entering into the body, wherein a first outer surface of the body extends from a first lateral surface to the first slanting surface, wherein a highest point of the first slanting surface is located between the first lateral surface and a second lateral surface opposite to the first lateral surface, and a highest point of the second slanting surface is located between the first lateral surface and a lowest point of the second slanting surface.

Abstract: Provided are a light-emitting module and a display apparatus. The light-emitting module may include a substrate, at least one light-emitting element located on a side of the substrate, and a first light-uniformizing component and a reflective layer disposed on a light-exit side of the light-emitting element; wherein, the first light-uniformizing component is configured to make light emitted by the light-emitting element be uniformly incident on the reflective layer; and the reflective layer is configured to reflect the light incident on the reflective layer toward a direction away from the light-exit side of the light-emitting element.

Abstract: A backlight apparatus used in an illuminated keyboard includes a light-guiding plate, a circuit board and a plurality of light-emitting devices all electrically bonded on the circuit board. The light-guiding plate has a plurality of through holes which each corresponds to one of the light-emitting devices. The circuit board is disposed on a back face of the light-guiding plate such that each light-emitting device is disposed within the corresponding through hole, and that a light-emitting side face of each light-emitting device faces a light incident surface of the corresponding through hole. A specific through hole of the through holes has an optical adjustment surface on the light incident surface thereof, and the optical adjustment surface has a curved surface central axis coaxial with a central optical axis of the corresponding light-emitting device.

Abstract: An encapsulation film, an organic electronic device comprising the same, and a method for manufacturing an organic electronic device using the same are provided. The encapsulation film has excellent reliability that allows forming a structure capable of blocking moisture or oxygen flowing into an organic electronic device from the outside, absorbs and disperses the stress according to panel bending caused by CTE mismatch, and overcomes the performance decrease due to reliability degradation, while preventing generation of bright spots in the organic electronic device.

Abstract: A lamp including an optic module including a light source part and an optic lens that outputs a first light based on light output from the light source part, and a refraction lens part that outputs a second light based on light output from the optic lens. At least a portion of the first light is refracted such that an upward/downward orientation angle thereof with respect to a front side decreases when the at least a portion of the first light is output after being input to the optic lens and passes through the optic lens, and at least a portion of the second light is refracted such that a leftward/rightward orientation angle thereof with respect to the front side decreases when the at least a portion of the second light is output after being input to the refraction lens part and passes through the refraction lens part.

Abstract: A LED lighting system includes a power supply, a LED controller, and a light guide plate having a top, a bottom, and an edge. A printed circuit board connected to the power supply is positioned at least partially under the bottom of the light guide plate. At least one surface-emitting LED is positioned on the printed circuit board adjacent to the light guide plate and directed to emit light vertically. A partially transmissive reflector is attached to extend between the top of the edge of the light guide plate and the printed circuit board to direct vertically emitted light from the at least one surface-emitting LED into the edge of the light guide plate.

Abstract: A decorative door wreath having an annular ring and at least a first decorative ornament detachably attached to the annular ring is disclosed. The annular ring includes a front annular planar body and a back annular support base. The front annular planar body includes a front surface disposed between a continuous inner edge opposite a continuous outer edge. The back annular support base has a smaller width than a width of the front annular planar body. The first retention member includes a first base plate and a first pair of resiliently flexible spring arms removably connected to the front surface of the front annular planar body. The first pair of resiliently flexible spring arms flex laterally to provide for passage of at least a first portion of the front annular planar body therebetween. The at least first decorative ornament is detachably coupled to and retained by the annular ring.

Abstract: A lighting apparatus includes a light source module, an internal housing, an exterior housing and a sliding track. The light source module including a LED module. The LED module may include multiple types of LED chips of different parameters that may be controlled to mix a desired parameter. The internal housing has a light opening and a protruding block. The light source module is fixed to the internal housing and a light of the LED module passes through the light opening. An exterior housing having a sliding groove. The exterior housing encloses the internal housing and allows the protruding block of the internal housing moving along the sliding groove to change a tilt angle of the light with respect to the exterior housing. The sliding track is used for the exterior housing to move along the sliding track for further adjusting an output direction of the light.

Abstract: A backlight unit includes an LED substrate including a first main surface and a second main surface on a side opposite to the first main surface, a plurality of LED elements arranged on the first main surface, one or more drive IC elements arranged on the second main surface, a chassis disposed on the second main surface side of the LED substrate, and one or more IC element covers each being in direct or indirect contact with a corresponding drive IC element of the one or more drive IC elements. The chassis includes one or more protrusions respectively corresponding to the one or more drive IC elements. Each of the one or more protrusions includes an opening that exposes the corresponding drive IC element when viewed from a normal direction of the second main surface. The IC element cover fits in the protrusion.

Abstract: A method is disclosed for making a backlight unit for LCD displays. The method includes providing a thin and flexible light transmissive sheet and forming a patterned light extraction area and a light mixing area by forming a plurality of light extraction microstructures on surface of the sheet according to an area-distributed two-dimensional pattern. A side-emitting LED strip comprising a linear array of side-emitting LED packages is also provided, along with electrical contacts for connecting the strip to a power supply. The major surface of the flexible printed circuit is oriented parallel to the light transmissive sheet and positioned in contact with one of the broad-area surfaces. A reflective layer is positioned on one side of the light transmissive sheet, and the flexible printed circuit and a portion of the light mixing area are covered using an opaque housing with a heat conductive element.

Abstract: A backlight module includes a substrate, a plurality of light emitting elements, a light guide device and a plurality of reflective elements. The light emitting elements are arranged on the substrate. The light guide device includes a plurality of light guide portions arranged to respectively correspond to the light emitting elements, wherein each of the light guide portions is provided with a first through hole, and the first through holes of the light guide portions respectively expose the light emitting elements. The reflective elements are respectively arranged on the light emitting elements, wherein, in a normal direction of the substrate, the reflective elements respectively overlap with the first through holes of the light guide portions.

Abstract: In some examples, an article comprises a semiconductor including at least one integrated circuit and an inorganic semiconductor layer bonded to a first surface of the semiconductor. The inorganic semiconductor layer comprises a ?LED array, and the first surface of the semiconductor extends beyond a first edge of the inorganic semiconductor layer. The first edge of the inorganic semiconductor layer is oriented substantially perpendicular to the first surface of the semiconductor.

Abstract: Provided are an electron gun, an electron gun component, an electron beam applicator, and an alignment method that can align the emission axis of an electron beam with the optical axis of the electron optical system of the counterpart device even when misalignment of a mounted position of the electron gun being mounted to the counterpart device is larger.