| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 313116000 | Light diffusing | 17 |
| 20100084959 | LIGHT EMITTING DIODE MODULE ILLUMINATING LAMP - The present invention relates to a light emitting diode module illuminating lamp which is provided with a main body provided with a light irradiating part, a support and a support panel integrally formed together and formed with a inserting part at an outer perimeter thereof and a light emitting source placed within the main body and provided with a light emitting diode and a reinforcing support panel, and is able to uniformly irradiate the light of the light emitting diode emitted from an inside of the main body to an outside, obtain an effect as if a plurality of light irradiating parts were used by using a single light irradiating part and reduce the number of the light irradiating parts per unit area to save a cost. | 04-08-2010 |
| 20100127609 | COATING LIQUID FOR DIFFUSING FILM OF HIGH-PRESSURE DISCHARGE LAMP AND HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp includes a luminous tube, an outer bulb housing the luminous tube, and a diffusing film formed on at least one of inner and outer surfaces of the outer bulb, in which the diffusing film includes first silica particles having shapes different in surface curvature from each other and hollow second silica particles. | 05-27-2010 |
| 20100270907 | LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS - A light emitting apparatus can prevent unevenness in illuminance from being produced. This light emitting apparatus | 10-28-2010 |
| 20110057553 | LIGHT EMITTING DEVICE - A light emitting device having excellent thermal resistance and light resistance is provided. The light emitting device is manufactured by disposing a substrate electrode having a predetermined conductive pattern provided thereon to a substrate of a ceramic; flip-chip mounting a light emitting element having an n-side electrode and a p-side electrode on a common surface side onto the substrate electrode in a face-down manner and electrically connecting thereto; heating a glass to a temperature from the glass transition temperature to below the melting point of the glass, until the glass shows its softened state; and fixing the softened glass to the substrate by way of pressing to cover the light emitting element with the glass. | 03-10-2011 |
| 20110266939 | LIGHTING DEVICE - A lighting device includes a light guide body and at least one light-emitting unit. The light guide body has a light guide channel and a local roughened surface on the light guide channel as a scattering region. The at least one light-emitting unit is capable of emitting a light into the light guide channel, wherein at least one portion of the light is guided to the scattering region, and the scattering region scatters the light as a local light source region. | 11-03-2011 |
| 20120153798 | LIGHT EMITTING DEVICE - Disclosed is a light-emitting device, including an LED light source and a light diffusion element. The light diffusion element, covering at least a part of the LED light source, is composed of a first polymer, a second polymer, or a blend of them. The first polymer has a larger crystal diameter than that of the second polymer. The first polymer is made of polypropylene or ethylene-propylene copolymer. The second polymer is made of polyethylene, polypropylene, or ethylene-propylene copolymer. A blend of certain ratios of the first and second polymer gives rise of an excellent material that has improved light diffusion. This material can be widely adopted to current light fixtures for its evenly distributed lighting and great brightness. | 06-21-2012 |
| 20120169203 | LED LAMP - A lamp includes a hollow main body; an electrical circuit assembly disposed in the main body; an LED illumination assembly disposed in front of the electrical circuit assembly and electrically connected thereto; a diffuser disposed in front of the illumination assembly; a frame mounted on a forward end of the main body with the diffuser fitted therein; and a hollow protective cover shaped to enclose the electrical circuit assembly. | 07-05-2012 |
| 20120169204 | UNIFORM LIGHT EMITTING LAMP STRUCTURE - The present invention discloses a uniform light emitting lamp structure including a lamp holder, an electric connection portion and a planar portion disposed on both end surfaces of the lamp holder respectively, and the planar portion includes a circuit board electrically coupled to the electric connection portion. The lamp structure further includes an LED light source, a lamp cover and a light guide column with a refractive index n | 07-05-2012 |
| 20120217863 | LIGHTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The lighting device includes a first resin layer having a first refractive index and a second resin layer having a second refractive index lower than the first refractive index and higher than the refractive index of the air, which are over a light-emitting element layer, a plurality of granules provided at the interface between the first resin layer and the second resin layer and each having the second refractive index or a plurality of projections each having an apex provided inside the first resin layer and a flat surface in contact with the interface between the first resin layer and the second resin layer and having the second refractive index, an uneven structure provided at the interface with the air, and a resin substrate having the second refractive index. | 08-30-2012 |
| 20120235554 | LIGHT EMITTING APPARATUS, SURFACE LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS - A light emitting apparatus has a light emitting element arranged on a substrate and a light flux controlling member. The light flux controlling member has: a light control/emission surface that controls a traveling direction of light; a concavity that allows a main beam to be incident inside; and a back surface that extends in a radial direction from an opening rim part of the concavity and that allows sub-beams to be incident inside. One of a grid convex part which arranges a plurality of strips of convex parts in a grid pattern and a grid concave part which arranges a plurality of strips of concave parts in a grid pattern is formed in the back surface of the light flux controlling member. The substrate and the back surface of the light flux controlling member are placed opposite to one another without intervention of a reflective sheet therebetween. | 09-20-2012 |
| 20120319555 | LED LIGHT SOURCE LAMP - An LED light source lamp has built-in drive circuits in a housing, and is used by being attached to a lamp holder. An LED installation plate is arranged, in a main space of the housing, on an attachment side to the lamp holder. An LED module on a surface, of the LED installation plate, opposite to the lamp holder, is a collection of LEDs driven by the drive circuit. A light diffusion member is arranged so as to block the optical axis of light emitted by each LED of the LED module. Here, the drive circuits are arranged in an outer peripheral space, between the LED module and the light diffusion member, so as not to block the optical axis of light emitted by each LED of the LED module. | 12-20-2012 |
| 20130207534 | LIGHT-DIFFUSING HEAT SHRINKABLE TUBE AND LINEAR LED LIGHT - The present invention aims to provide a light-diffusing heat shrinkable tube which has light diffusibility that enables LED point light sources to give an impression of a surface light source such as a conventional fluorescent lamp. The tube is also capable of suppressing scattering of broken fragments of a transparent pipe that includes the light sources, in the case of an unexpected accident including falling of the pipe. The present invention also aims to provide a linear LED light including the light-diffusing heat shrinkable tube. The light-diffusing heat shrinkable tube including a polyester resin and a light diffusing agent, the polyester resin having an inherent viscosity of 0.8 to 1.4 dl/g, the tube comprising 0.1 to 2.5 wt % of the light diffusing agent, the tube having a thickness of 60 to 300 μm. | 08-15-2013 |
| 20140097738 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a light source with a directivity and a light-transmitting cover including a light-transmitting area configured to emit light from the light source to the outside. The light-transmitting cover is in a dome shape and formed of a material doped with scattered fillers dispersed in a volume thereof. The light-transmitting cover includes a vertically elongated shape with an aspect ratio higher than 0.6, and having a transmittance of 70% or less. The aspect ratio is the quotient of a height of the light-transmitting area in an optical axis thereof divided by the width of a rear-end portion of the light-transmitting area. | 04-10-2014 |
| 20140139097 | LIGHT DIFFUSION OF VISIBLE EDGE LINES IN A MULTI-DIMENSIONAL MODULAR DISPLAY - Embodiments of the present invention provide light diffusion into edge lines of a modular display, and thus provide a modular display that is capable of displaying a single, continuous image without visible edge lines between individual display modules. One display module includes a multitude of pixels that contain red, green, blue, and white light sources. The replacement of an edge line blocking dam with the light diffusion edge line of the individual display module can provide a single, continuous image to be displayed thereon without visible, image-quality-reducing edge lines. With various heights of the buffer layer, the light can concentrate on the edge line in modular display. The individual display modules can be light emitting diode (LED), organic LED (OLED), UV LED, RGB LED, Phosphor-based LED, Quantum dot LED, or displays based upon a combination thereof. Furthermore, the variable height buffer layer allows for a modular display image in 2-dimensional or 3-dimensional formats. | 05-22-2014 |
| 20140191648 | PROTECTIVE COATING FOR LED LAMP - The present disclosure discloses a method for providing protective coatings onto one or more surfaces of a frangible enclosure of an LED lamp and a lamp prepared therefrom. More particularly, the present disclosure relates to LED lamps comprising polymer coatings on at least one or more surfaces of an enclosure of an LED lamps. | 07-10-2014 |
| 20140203700 | LIGHT EMITTING DEVICE AND LIGHT SHEET - A light-emitting device disclosed herein includes: an emission layer; a diffraction grating structure including a diffraction grating; and a diffusion layer having a structure for diffusing light which is transmitted from one face to another face. The light going out from the emission layer has a central wavelength λ. The diffraction grating has a period p which is not less than 1.0λ and not more than 3.5λ. The diffusion layer has a haze of 80% or more and a total light transmittance of 80% or less. | 07-24-2014 |
| 20150084497 | LED BULB OPTICAL SYSTEM WITH UNIFORM LIGHT DISTRIBUTION - A pear-shaped light-emitting diode (LED) light bulb housing is provided with a plurality of light-dispersing thickness variations in the bulb envelope. Dimples, bumps, or v-shaped grooves are provided in a middle portion of the bulb envelope in order to uniformly disperse light from LEDs as the light passes through the bulb envelope. | 03-26-2015 |
