Abstract: The present disclosure discloses a method and device for image encoding and a method and device for image decoding. The present disclosure relates to the field of image processing and may solve a technical issue of inflexible image encoding. The particular technical solution comprises: acquiring a first image; compressing the first image to generate a second image, a resolution of the second image is lower than that of the first image; encoding the second image to generate a first bit stream; determining a parameter corresponding to the first image from a parameter database, the parameter corresponds to detail information of the first image; generating a second bit stream according to the parameter; and combining the first bit stream and the second bit stream into a transmission bit stream. The present disclosure may be used for image encoding.

Abstract: A display device includes a display screen and a frame disposed around the display device, an infrared receiver and a light guide member, wherein the light guide member has a securing surface through which the light guide member is secured to the frame, the light guide member further including a receiving end and a light exiting surface, the receiving end formed at a display side of the display device, a width of the receiving end in a direction perpendicular to the frame to which the light guide member is secured is narrower than a width of the light exiting surface in the direction. Only a narrower portion of the light guide member can be seen when a human being looks at the display device, thus improving display effect of the narrow frame of the display device.

Abstract: A video player is provided, comprising: a video playing unit, configured to convert an image inputted to the video playing unit into a driving signal for driving a display panel; and an image preprocessing unit, configured to receive the inputted image from a display source, to preprocess the inputted image into n preprocessed images, and to output the n preprocessed images to the video playing unit, wherein the video playing unit is further configured to convert the n preprocessed images into n sets of first driving signals, and to output the n sets of first driving signals via the n output terminals of the video playing unit for displaying, wherein the n preprocessed images correspond to the n output terminals of the video playing unit with each other in a preset manner. Furthermore, a display apparatus and a video playing system and a video playing method are also provided. The video player can display high resolution images at a low cost.

Abstract: A method and system to optimize the parameters of a robot used in an assembly process. The assembly process is categorized based on its nature which may be cylindrical, radial and multi-stage insertion. The search pattern and search parameters are specified. The parameters are optimized and the optimized parameter set are verified and when a predetermined criteria such as assembly cycle time set and/or success rate is met the optimization process stops. When the optimization stops the verified parameters are used to cause the robot to perform the categorized assembly process. If the parameters do not meet the predetermined criteria, another round of optimization using the same or other parameters can be performed.

Abstract: In some embodiments, a method of manufacturing a lighting system comprises: coupling a light source to a reflector, the reflector including a substrate having a first side configured to face toward the light source; and disposing an organic phosphor layer on the first side of the substrate. In some embodiments, a method comprises: determining target color characteristics for light produced by a lighting system of a first type; for each one of a plurality of lighting systems of the first type: (a) measuring color characteristics of light produced by the one of the plurality of lighting systems; (b) determining characteristics of a phosphor layer to be disposed on a reflector of the one of the plurality of lighting systems; and (c) disposing a phosphor layer having the determined characteristics on the reflector of the one of the plurality of lighting systems.

Abstract: Provided is a double layer coating for a lighting fixture and method that includes a first coating layer of a reflective material disposed on an outer metal layer of the lighting fixture, and a second coating layer disposed on the first coating layer and providing a matte external reflective surface for the lighting fixture. The binder content of the first coating layer is higher than the binder content of the second coating layer.

Abstract: Provided is a reflective matte coating layer, a lighting fixture and a method that includes a metal layer including an inner surface and an outer surface, and a powder coating layer disposed on the outer surface of the metal layer, wherein an infrared (IR) gradient curing operation is performed on the inner surface of the metal layer, to form a reflective matte coating at an external surface of the lighting fixture.

Abstract: The present disclosure provides a direct-type backlight module and a display apparatus. The direct-type backlight module may comprise: a backplane; a plurality of LED lamps distributed in an array which are positioned on the backplane; a diffusion plate above the plurality of LED lamps; and multiple optical fibers connecting two adjacent LED lamps of the plurality of LED lamps, each optical fiber being provided with a plurality of light transmission openings distributed at intervals towards the diffusion plate along its extension direction. Wherein part of light emitted from each LED lamp can be propagated along the optical fiber and transmitted to the diffusion plate via the light transmission openings. The direct-type backlight module directs part of the light emitted from the LED lamps through the plurality of light transmission openings to the diffusion plate using the optical fibers, which changes the LED lamps in the form of point light sources into area light sources.

Abstract: Materials and optical components formed thereof that are suitable for use in lighting units to obtain or approximate white light illumination, including lighting units that utilize one or more light-emitting diodes (LEDs) as a light source.

Abstract: A display device includes a display screen and a frame disposed around the display device, an infrared receiver and a light guide member, wherein the light guide member has a securing surface through which the light guide member is secured to the frame, the light guide member further including a receiving end and a light exiting surface, the receiving end formed at a display side of the display device, a width of the receiving end in a direction perpendicular to the frame to which the light guide member is secured is narrower than a width of the light exiting surface in the direction. Only a narrower portion of the light guide member can be seen when a human being looks at the display device, thus improving display effect of the narrow frame of the display device.

Abstract: A method and system to optimize the parameters of a robot used in an assembly process. The assembly process is categorized based on its nature which may be cylindrical, radial and multi-stage insertion. The search pattern and search parameters are specified. The parameters are optimized and the optimized parameter set are verified and when a predetermined criteria such as assembly cycle time set and/or success rate is met the optimization process stops. When the optimization stops the verified parameters are used to cause the robot to perform the categorized assembly process. If the parameters do not meet the predetermined criteria, another round of optimization using the same or other parameters can be performed.

Abstract: A method includes obtaining particles of a phosphor precursor of formula Ax[MFy]:Mn4+, reducing sizes of the particles of the phosphor precursor by wet milling the particles and annealing the particles that are wet milled by contacting the particles with a fluorine-containing oxidizing agent. Additionally, a manganese doped complex fluoride phosphor prepared by this method is provided. A lighting apparatus and backlight device that include manganese-doped phosphor prepared by this method also are provided.

Abstract: An apparatus includes an LED light source positioned within an envelope, a porous fluid transporting material coating the envelope, providing a path between the LED light source and the envelope, and a cooling medium conducted through the fluid transporting material toward the LED light source in a liquid phase and conducted from the LED light source to the envelope in a vapor phase for removing heat from the LED light source.

Abstract: An apparatus includes an LED light source positioned within an envelope, a porous fluid transporting material coating the envelope, providing a path between the LED light source and the envelope, and a cooling medium conducted through the fluid transporting material toward the LED light source in a liquid phase and conducted from the LED light source to the envelope in a vapor phase for removing heat from the LED light source.

Abstract: The specification and drawings present a new apparatus such as a halogen incandescent lamp is presented herein, the apparatus comprising a light source such as a light-generating element made of tungsten, configured to generate a visible light such as white light having chromaticity coordinates of the light source in a clear center in a color space, and a component such as light-transmissive envelope, enclosing the light source and comprising a coating with a compound comprising elements of neodymium and fluorine and configured to provide a desired light spectrum by filtering the generated visible light using the compound, where the desired light spectrum having chromaticity coordinates in the color space being shifted from the clear center below the black-body locus and outside of a four-step MacAdam ellipse of the light source to meet a predefined requirement for a modified spectrum lamp.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module configured to generate a visible light such as white light, and at least one component such as an optical component comprising multiple (two or more) compounds, each containing neodymium (Nd) and at least one compound including fluorine (F) for imparting a desired color filtering effect to provide a desired light spectrum, where a color of the desired light spectrum in a color space is determined by relative amounts of the two or more compounds in the at least one component.

Abstract: A testing device and a method thereof, a display device and a display method are provided, relate to the display technology field, and avoid the non-uniform luminance distribution of backlight source due to a shorten light mixing distance of an LED lamp. The testing method includes: displaying a test image under an action of a backlight source; acquiring a luminance value of each pixel in the test image; and obtaining at least one compensation value according to the light distribution data, the compensation value being used as a basis for compensating the luminance value of each pixel of the test image to a standard luminance value.

Abstract: The present disclosure relates to a white LED light source, a backlight module and a liquid crystal display device. The white LED light source comprises a light strip having a plurality of LED units and a plurality of laser units. Each LED unit has a chip emitting lights of a first color light and a fluorescent module induced by the lights of the first color to emit lights of a second color. The plurality of laser units emit lights of a third color so as to form white lights by mixing the lights of the second color emitted by the LED units and the lights of the third color emitted by the laser units. In the white LED light source according to the present disclosure, laser units are used so as to expand the color gamut of the liquid crystal display device.

Abstract: The present disclosure provides a direct-type backlight module and a display apparatus. The direct-type backlight module may comprise: a backplane; a plurality of LED lamps distributed in an array which are positioned on the backplane; a diffusion plate above the plurality of LED lamps; and multiple optical fibers connecting two adjacent LED lamps of the plurality of LED lamps, each optical fiber being provided with a plurality of light transmission openings distributed at intervals towards the diffusion plate along its extension direction. Wherein part of light emitted from each LED lamp can be propagated along the optical fiber and transmitted to the diffusion plate via the light transmission openings. The direct-type backlight module directs part of the light emitted from the LED lamps through the plurality of light transmission openings to the diffusion plate using the optical fibers, which changes the LED lamps in the form of point light sources into area light sources.