Abstract: The present invention provides a quantum dot display device and a manufacturing method thereof. The quantum dot display device includes a base substrate, a backlight, a color conversion layer disposed on a side of the backlight away from the base substrate, and an electro-fluidic shutter disposed on a side of the color conversion layer away from the backlight. The electro-fluidic shutter includes a plurality of shutter units, and a sealing portion is disposed between adjacent shutter units. Contrast of the quantum dot display device under strong ambient light is improved, which is beneficial for application in outdoor advertising displays and the like.

Abstract: An electronic device includes a support body, a wiring substrate, a light emitting element, and a light receiving element. The support body includes first and second planar portions facing each other, a connecting portion connecting basal ends of the planar portions, and a receptacle. The wiring substrate is attached along an outer peripheral surface of the support body, folded at a distal end of each planar portion, and attached along an inner peripheral surface of the planar portion. The light emitting element is mounted on a first surface of the wiring substrate at a portion attached along the inner peripheral surface of the first planar portion. The light receiving element is mounted on the first surface of the wiring substrate at a portion attached along the inner peripheral surface of the second planar portion so that the light receiving element faces the light emitting element.

Abstract: An organic EL device including a first barrier film that contains primarily silicon nitride, a second barrier film that contains primarily silicon nitride, an organic EL element that is disposed between the first barrier film and the second barrier film, a first flexible substrate that is disposed opposite the organic EL element with the first barrier film interposed therebetween, a second flexible substrate that is disposed opposite the organic EL element with the second barrier film interposed therebetween, and a third barrier film that is disposed between the second barrier film and the organic EL element, and contains primarily silicon nitride.

Abstract: The present disclosure generally relates to display technologies. An array substrate may include a plurality of first pixel units and a plurality of second pixel units arranged in alternating manner. Each of the plurality of first pixel units may include a first plurality of subpixels, each of the first plurality of subpixels comprising a functional stack that has a thickness of from 180 to 360 nm. Each of the plurality of second pixel units may include a second plurality of subpixels, each of the second plurality of subpixels comprising a functional stack that has a thickness of from 80 to 140 nm.

Abstract: A light-emitting device includes: an anode electrode; a cathode electrode; a plurality of light-emitting layers sandwiched between the anode electrode and the cathode electrode; and a light absorption layer disposed between the plurality of light-emitting layers and a light extraction surface, wherein the plurality of light-emitting layers include InP based quantum dots and are configured to emit at least green color of light and red color of light, and the light absorption layer selectively absorbs light at 570 to 610 nm.

Abstract: A luminaire includes a first portion, a second portion, and a third portion. The first portion extends along a first axis and supports a first light emitter. The second portion is laterally spaced from the first portion and extends along a second axis that is oriented parallel to the first axis. The second portion supports a second light emitter. The third portion is disposed laterally between the first portion and the second portion and extends along a third axis that is oriented parallel to the first axis. The third portion supports at least one current driver for driving at least one of the first light emitter and the second light emitter.

Abstract: A downlight apparatus is designed to be installed in a cavity of a ceiling. The downlight apparatus includes a base part, a major part and a connector. The base part has a shape to be fixed in the cavity of the ceiling. The base part has a base housing for defining a through hole and a light window. The major part includes a major housing, a light source and a driver circuit. The connector connects the major housing and the base housing. The connector provides multiple candidate positions for a user to configure to change a relative position of the base part and the major part so as to change an output light defined determined by the light window and the light source.

Abstract: A spark plug including a housing, an insulator, a center electrode, and a ground electrode situated at a combustion chamber-side end of the housing. The insulator has an insulator collar, an insulator base, and a transition area, which rests on a projection of the housing. A breathing space is configured at the combustion chamber-side end of the spark plug and is delimited by a section of the inner side of the housing and a section of the insulator base. The section of the insulator base has a rounding including a first leg length and a second leg length angled with respect to the first leg length, the first leg length extending between the intersecting point of the leg lengths with one another and a first end point of the rounding, and the second leg length extending between the intersecting point and a second end point of the rounding.

Abstract: A method of manufacturing a display device includes providing a display substrate divided into a plurality of emission regions, and a non-emission region adjacent the emission regions; forming a black matrix on the display substrate, the black matrix corresponding to the non-emission region; and forming a plurality of color patterns on the display substrate through a solution process, the plurality of color patterns corresponding to the emission regions.

Abstract: An integrated cap for retrofitting an existing light fixture can include an integrated cap housing that is configured to be disposed atop a pole that supports the existing light fixture, where the integrated cap housing includes a communication module and a transceiver. The integrated cap can also include a first coupling feature disposed at a bottom end of the integrated cap housing, where the first coupling feature is configured to couple to a first component of the existing light fixture to provide electrical signals to the communication module and the transceiver, where the communication module and the transceiver communicate with a second component external to the existing light fixture.

Abstract: A manufacturing apparatus of a display device that prevents generation of bubbles between a display panel and a cover window is presented. The apparatus includes a first jig that includes a first portion including a center and a second portion that includes a bend on at least one side of the first portion, and where a cover window is received; a second jig that faces the first portion of the first jig, wherein the cover window and a display panel are disposed between the first jig and the second jig; and a stopper detachably provided adjacent to an end of the second portion of the first jig.

Abstract: A lighting device is presented for highlighting a first product over a second product placed in a first and a second section respectively of a store fixture, display or shelf to draw a shopper's attention to the first product, the lighting device comprising: a first and a segment, adjacent to each other, arranged for providing a first light output for illuminating the first product and a second light output for illuminating the second product respectively, a controller arranged for changing an operational mode of the lighting device from a normal lighting mode to a highlighting mode based on a signal indicating presence of a field; wherein in both the normal lighting mode and the highlighting mode, the first segment and the second segment provide illumination, and wherein in the highlighting mode, the first segment highlights the first product over the second product.

Abstract: In a spark plug, a noble metal tip includes an Ir-alloy material and has a circular-columnar shape that has a predetermined outer diameter and is formed by the Ir-alloy material being stretched. The spark plug generates discharge between the noble metal tip and a ground electrode that is arranged to oppose an outer peripheral surface of the noble metal tip. The Ir-alloy material includes crystal grains of an Ir alloy having an average aspect ratio that is adjusted to be equal to or greater than 1.3 and equal to or less than 4.8. The average aspect ratio is an average value of aspect ratios of the crystal grains each being a value obtained by a length of the respective crystal grains in an axial direction of the noble metal tip being divided by a length of the respective crystal grains in a direction perpendicular to the axial direction.

Abstract: A spark plug has a central electrode and a ground electrode. The central electrode has an electrode base material part and a noble metal chip of a cylindrical shape and is welded on the electrode base material part. A spark discharge is generated between the noble metal chip of the central electrode and the ground electrode when supplying a predetermined voltage to the spark plug. An intermediate region is formed on an overall surface between the electrode base material part and the noble metal chip. The intermediate region has a primary measurement part and a secondary measurement part. Components of the noble metal chip in the primary measurement area have a first average ratio of not less than 40 wt %, and components of the noble metal chip in the secondary measurement area have a second average ratio of not more than 80 wt %.

Abstract: A filament lighting apparatus includes a base, a pillar, multiple lamp strips, a fixed metal strip, a driving circuit and a lamp cap. The lower end of the pillar connects to the base. Each lamp strip has an upper end point and a lower end point. The upper end point of the lamp strip is electrically connected to the fixed metal strip. The fixed metal strip is disposed about an upper end of the pillar and the fixed metal strip doesn't directly contact the pillar. The lower end of at least two of the lamp strips are electrically connected to the driving circuit. The lamp cap accommodates the driving circuit and supports the base. The present invention discloses a method of manufacturing the filament lighting apparatus.

Abstract: A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.

Abstract: A system, method and device for collimating the output of a light emitting diode (LED) are disclosed. The system, method and device include an LED substrate including a top surface from which the light is emitted, and an array of subwavelength scattering antennas positioned within the emitted light path, the array of subwavelength scattering antennas configured to select directions of scatter of the LED emitted light to provide collimated light output from the device. The array may be aligned perpendicular to the plane of propagation of the light emitted from the LED and may be positioned adjacent to the top surface. The array may be at least partially, or completely, positioned within the LED substrate. The array may be spaced a distance from the top surface and the spacing may be achieved using a dielectric spacer adjacent to the top surface. The array may be positioned within the dielectric spacer.

Abstract: A light emitting device includes a first light source containing a first light emitting element, and a second light source containing a second light emitting element and a second fluorescent material, the first light source emits light in a region that is demarcated in a chromaticity diagram of the CIE 1931 color coordinate system by a first straight line connecting a first point having x,y of 0.280,0.070 in the chromaticity coordinate and a second point having x,y of 0.280,0.500 in the chromaticity coordinate, a second straight line connecting the second point and a third point having x,y of 0.013,0.

Abstract: A three-way bulb including light emitting diodes is used to achieve a variety of light output colors and/or intensities. In some embodiments, the inputs to a three-way bulb are configured to perform other functions, such as power a motor. In some embodiments, a bulb including light emitting diodes includes a replicable cover and/or a replicable LED. This cover may be configured to project images or support a shade made of a heat sensitive material.

Abstract: A spark plug is provided with a center electrode and a ground electrode. The ground electrode includes an electrode tip, an electrode base material, an intermediate member and a first melt portion. The intermediate member is disposed between the electrode tip and the electrode base material. The first melt portion contains components of the electrode base material and the intermediate member, and is disposed at least at a part of the boundary between the electrode base material and the intermediate member. In a cross section including the axis of the ground electrode, the boundary line between the intermediate member and the first melt portion has at least two first projection portions projecting toward the electrode tip side, and the boundary line between the electrode base material and the first melt portion has at least two second projection portions projecting toward the opposite side of the first projection portions.