Abstract: A white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the blue LED light source into white light. The light conversion layer includes a green light emitting semiconductor nanocrystal and a red light emitting semiconductor nanocrystal. The white light emitting diode has a red, green and blue color (“RGB”) color locus which is within a chrominance error range (±4?E*ab±2?E*ab) locus from the constant hue locus of each of sRGB color coordinates, or within a chrominance error range (±4?E*ab±2?E*ab) locus from the constant hue locus of each of AdobeRGB color coordinates.

Abstract: A white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the blue LED light source into white light. The light conversion layer includes a green light emitting semiconductor nanocrystal and a red light emitting semiconductor nanocrystal. The white light emitting diode has a red, green and blue color (“RGB”) color locus which is within a chrominance error range (±4?E*ab±2?E*ab) locus from the constant hue locus of each of sRGB color coordinates, or within a chrominance error range (±4?E*ab±2?E*ab) locus from the constant hue locus of each of AdobeRGB color coordinates.

Abstract: Provided is a display apparatus that may estimate a degree of visual fatigue corresponding to an input 3-dimensional (3D) image, using a visual fatigue model to estimate the degree of visual fatigue of a user. The display apparatus may reduce the degree of visual fatigue of the user by rescaling a depth level of the input 3D image based on the degree of visual fatigue.

Abstract: A light field display apparatus includes a plurality of projectors to emit rays, and a screen to display the rays emitted by the plurality of projectors. Positions of the plurality of projectors may be controlled so that intervals or angles between the rays displayed on the screen are substantially the same.

Abstract: Disclosed herein are an X-ray imaging apparatus and an X-ray image generating method in which constituent materials of a target object are separated and mapped to different colors in order to provide one image which has improved distinction between tissues. The X-ray imaging apparatus includes an X-ray generator which generates X-rays and irradiates the X-rays toward a target object, an X-ray detector which acquires X-ray data which corresponds to a plurality of energy bands by detecting X-rays which have passed through the target object, and a controller which acquires a plurality of material images in which a plurality of materials constituting the target object are respectively displayed and brightness information from the X-ray data, generates one image by mapping different color channels to the plurality of material images and combining the plurality material images into a single image, and applying the brightness information to the generated image.

Abstract: A white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the blue LED light source into white light. The light conversion layer includes a green light emitting semiconductor nanocrystal and a red light emitting semiconductor nanocrystal. The white light emitting diode has a red, green and blue color (“RGB”) color locus which is within a chrominance error range (±4?E*ab) locus from the constant hue locus of each of sRGB color coordinates, or within a chrominance error range (±4?E*ab) locus from the constant hue locus of each of AdobeRGB color coordinates.

Abstract: Provided is a video signal generation apparatus and method that may minimize crosstalk between a luminance signal and color difference signals. The video signal generation apparatus may generate the luminance signal using a nonlinear Y signal and then generate color difference signals using a nonlinear XYZ signal to maximize a de-correlation characteristic between the luminance signal and the color difference signals.

Abstract: A method and apparatus for processing an image signal includes an image signal encoding apparatus and an image signal decoding apparatus that use an independent luminance and chrominance image signal to reduce a crosstalk. The independent luminance and chrominance image signal may include a luminance signal and a chrominance signal. The image signal encoding apparatus and the image decoding apparatus may perform down-sampling or up-sampling on the chrominance signal. The image signal encoding apparatus and the image decoding apparatus may increase a compression efficiency of the independent luminance and chrominance image signal, by applying different quantization parameters and different bit-depths to the luminance signal and the chrominance signal, respectively.

Abstract: A red, green, and blue (RGB) primary generation system and method for a wide color gamut, and a color encoding system using the RGB primaries. The RGB primary generation system may achieve a wide color gamut by generating a color gamut having a gamut coverage which meets a gamut coverage threshold, meeting a unique hue, having a maximum gamut efficiency, and a minimum quantization error.

Abstract: Provided is a display apparatus that may estimate a degree of visual fatigue corresponding to an input 3-dimensional (3D) image, using a visual fatigue model to estimate the degree of visual fatigue of a user. The display apparatus may reduce the degree of visual fatigue of the user by rescaling a depth level of the input 3D image based on the degree of visual fatigue.

Abstract: In apparatus and method for generating a video signal using an LMS cone signal and an apparatus and method for restoring a video signal, a lightness signal and a chrominance signal may be generated using the LMS cone signal generated from an input image. Therefore, the generated chrominance signal may include only lightness information while the chrominance signal includes only chrominance information.

Abstract: A white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the blue LED light source into white light. The light conversion layer includes a green light emitting semiconductor nanocrystal and a red light emitting semiconductor nanocrystal. The white light emitting diode has a red, green and blue color (“RGB”) color locus which is within a chrominance error range (±4?E*ab) locus from the constant hue locus of each of sRGB color coordinates, or within a chrominance error range (±4?E*ab) locus from the constant hue locus of each of AdobeRGB color coordinates.

Abstract: Provided is a video signal generation apparatus and method that may minimize crosstalk between a luminance signal and color difference signals. The video signal generation apparatus may generate the luminance signal using a nonlinear Y signal and then generate color difference signals using a nonlinear XYZ signal to maximize a de-correlation characteristic between the luminance signal and the color difference signals.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: A plasma display panel includes a substrate which includes first and second substrates disposed facing each other, a plurality of discharge electrodes disposed along a circumference of a discharge cell formed between the first and second substrates, a dielectric wall which buries the discharge electrodes, and a secondary electron emission amplifying unit which emits the secondary electrons into the discharge space and which is formed on at least a portion of a surface which contacts plasma generated in the discharge space during a discharge. The discharge voltage can be reduced due to an increase in the emission of the secondary electrons.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the red phosphor layer comprises Y(V,P)O4:Eu and (Y,Gd)BO3:Eu coated on a barrier rib and is satisfied by the following condition: when Dr is (S?2L)/S, Dr?0.64, S being a distance between barrier ribs at half the height of the barrier rib; and L being a side thickness at half the height of the barrier rib of the phosphor layer coated on the barrier rib.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: A green phosphor for a plasma display panel, comprising a first phosphor comprising ReBO3:Tb (where Re is at least one rare earth element selected from the group consisting of Sc, Y, La, Ce, and Gd) and a second phosphor of MgAlxOy:Mn (where x is in the range of 1 to 20 and y is in the range of 1 to 30). The green phosphor improves color purity, lifespan characteristics, and discharge stability of a plasma display panel.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: A plasma display panel includes a fluorescent layer having a red phosphor pattern, a green phosphor pattern, and a blue phosphor pattern, wherein the red phosphor pattern contains Y(V,P)O4:Eu and (Y,Gd)BO3:Eu. The plasma display panel emits red light having an appropriate luminance, improved color purity, and improved afterglow properties.