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| Number | Title | Issue Date |
| 8172433 | Optoelectronic component and illumination device An optoelectronic component has optically active region, with the optically active region comprising at least one semiconductor chip which is provided for generating electromagnetic radiation, and comprising a beam-forming element through which at least a portion of... | 05/08/2012 |
| 8118458 | Optical lens, optical package having the same, backlight assembly having the same and display device having the same An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central ... | 02/21/2012 |
| 8025429 | LED illumination lens An LED illumination lens can guide light from light emitting diodes (LEDs). The incident surface and transmission surface of the lens are a part of an elliptical shape. The present invention makes an optical lens which provides that light is refracted twice by the L... | 09/27/2011 |
| 8011811 | Aspherical LED angular lens for central distribution patterns and LED assembly using the same The present invention discloses an aspherical LED angular optical lens for central distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on an project side. The LED assembly compr... | 09/06/2011 |
| 8007139 | Optical illumination module The present invention relates to an optical illumination module that includes a fixed light source and a plano-convex lens. The fixed light source is a light emitting diode. The plano-convex lens is an aspheric lens with rotational symmetry, and disposed to a specif... | 08/30/2011 |
| 7993035 | Aspherical LED angular lens for narrow distribution patterns and LED assembly using the same The present invention discloses an aspherical LED angular optical lens for narrow distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on a project side. The LED assembly compris... | 08/09/2011 |
| 7985009 | Two-side asymmetric light-shift illuminating lens body A two-side asymmetric light-shift illuminating lens body mainly projecting light from a light emitting device to two asymmetric relative outer directions includes a base having a receiving slot with a downwards opening for receiving a lighting device; a large non-sp... | 07/26/2011 |
| 7980733 | Aspherical LED angular lens for wide distribution patterns and LED assembly using the same The present invention discloses an aspherical LED angular optical lens for wide distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on a project side. The LED assembly comprisin... | 07/19/2011 |
| 7972042 | Light guide and illumination device having same A light guide is a quarter of cylinder in shape and includes a cylindrical emitting surface, an incident surface adjacent to and facing away from the cylindrical emitting surface, and a connecting surface connecting the cylindrical emitting surface and incident surf... | 07/05/2011 |
| 7909486 | Light emitting device package and backlight unit and liquid crystal display device using the same A light emitting device package and other devices using the light emitting device package are discussed. According to an embodiment, the light emitting device package includes a package body; at least one light emitting device disposed in the package body; at least ... | 03/22/2011 |
| 7837360 | Optical module An optical module includes: point light sources; and an optical lens being spaced apart from the point light sources with an air layer therebetween and asymmetrically refracting and emitting a light incident from the point light sources. ... | 11/23/2010 |
| 7819560 | Illumination device and lens of illumination device Provided are an illumination device and a lens employed in the device for controlling light travelling direction, the device being capable of illuminating brightly and uniformly a certain limited region (region-to-be-illuminated) corresponding to an object such as s... | 10/26/2010 |
| 7798679 | Light emitting device and lighting device having the same A light-emitting device (10) is arranged such that (x) R1 monotonically decreasing as α1 increases, at least in a range of α1 | 09/21/2010 |
| 7794117 | Lamp cover and illumination lamp having same A lamp cover includes an array of lenses. Each lens includes an incidence surface for receiving light, and an emitting surface opposite to the incidence surface. One of the incidence surface and the emitting surface is a convex surface. Each lens includes a first en... | 09/14/2010 |
| 7771091 | Light control film A light control film having a refractive index n and an uneven, irregular surface pattern provides a reasonable level of light diffusion without a glare problem provided, for any cross-section perpendicular to the base plane of the film, the average of absolute valu... | 08/10/2010 |
| 7731395 | Linear lenses for LEDs Various embodiments described herein comprise array of light emitting diodes and a cylindrical lens having front and rear curved surfaces. The cylindrical lens is disposed to receive light from the light emitting diodes and to redistribute the light. The cylindrical... | 06/08/2010 |
| 7708431 | Lighting device having a cylindrical lens A lighting device includes at least a light source for emitting light rays and a guide for guiding light rays on a projection plane. The guide is formed by a lens presenting a cylindrical portion extending along an axis perpendicular to the projection plane, and at ... | 05/04/2010 |
| 7674018 | LED device for wide beam generation An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A len... | 03/09/2010 |
| 7645057 | Optical sheet and backlight assembly of liquid crystal display with the same An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof. ... | 01/12/2010 |
| 7618161 | Fresnel lens and lighting apparatus provided with the Fresnel lens In a Fresnel lens which is made of a lens material whose refraction index is n, and focuses light beam from a light source at a specified radiation view angle φ, and has plural N pieces of circular lens surfaces arranged concentrically around a common optical axis,... | 11/17/2009 |
| 7618162 | Irradiance-redistribution lens and its applications to LED downlights An illumination-redistribution lens comprising a thick aspheric lens collecting a high proportion of the luminous output of a compact LED with a quasi-hemispheric pattern. After receiving the highly nonuniform illuminance from the nearby LED, the lower surface refra... | 11/17/2009 |
| 7534013 | Illuminating devices using small PT sources including LEDs In one form, there is a luminaire for providing uniform color and brightness from multiple small light sources, which includes a shallow plate of transparent material having a first surface which is substantially flat, and a second surface which includes patterned p... | 05/19/2009 |
| 7465074 | Optical element An optical element is specified that comprises a radiation exit surface shaped so that light exiting through said radiation exit surface is suitable for substantially uniformly illuminating a defined area from a defined distance. The optical element is particularly ... | 12/16/2008 |
| 7443609 | Optical lens, optical module having the same, and backlight assembly having the same An optical module includes a point light source device and an optical lens. The point light source device generates light. The optical lens includes an inner curved surface and an outer curved surface. The inner curved surface has a first roughly ellipsoidal shape h... | 10/28/2008 |
| 7438444 | Light guide lens and light emitting diode package structure having the light guide lens A light guide lens includes a lens body having a light incidence surface and a light emission surface, a plurality of refraction structures formed on the light incidence surface, and a plurality of reflection structures formed on the light emission surface. The refr... | 10/21/2008 |
| 7422347 | Planar light source and planar lighting apparatus A planar light source comprises at least one point light source disposed on a supporting substrate, and a cylindrical lens that covers the light emitting observation side of the point light source, wherein the cylindrical lens has a concave lens function in the dire... | 09/09/2008 |
| 7410275 | Refractive optic for uniform illumination An apparatus for distributing light from a light source includes a support and an optic supported by the support. The optic includes a truncated axially symmetric body. ... | 08/12/2008 |
| 7410267 | Method for manufacturing a vehicular lamp and a vehicular lamp A method for manufacturing a vehicular lamp including a wire installation process that installs a wire (hearing wire) 6 in a flat resin plate 7 by heat; a shape-forming process that forms the resin plate 7 into a predetermined curved shape; a tr... | 08/12/2008 |
| 7391571 | Diffusion plate used in direct-type backlight module The present invention relates to a diffusion plate used in a direct-type backlight module and a method for making the same. At least one of the surfaces of the diffusion plate has a microstructure constituted by repeated undulation that can refract and diffuse the i... | 06/24/2008 |
| 7370994 | Collimating lens for LED lamp A collimating lens includes a first end face with an LED accommodation hole for accommodating an LED lamp, a second end face, which is disposed opposite to the first end face and has an area greater than the first end face, and a sidewall, which is connected between... | 05/13/2008 |
| 7348723 | Emission device, surface light source device, display and light flux control member A display has a member irradiated by a surface light source device comprising a light diffusion member and emission device. The emission device is provided with a light flux control member having a recess and light control emission face which is configurated so as t... | 03/25/2008 |
| 7344281 | Display device having a protruding light transmission panel including a light diffusion portion At least one light-emitting diode emitting a light, and a front panel provided at a position forward in a traveling direction of the light emitted from the light-emitting diode, form a display device. In this display device, the front panel is so shaped as to protru... | 03/18/2008 |
| 7344282 | Optical sheet and backlight assembly of liquid crystal display with the same An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof. ... | 03/18/2008 |
| 7339200 | Light-emitting diode and vehicular lamp A light-emitting diode including a curved surface portion 14aA formed in the front face of a sealing member 14 with the cross-sectional shape of the curved surface portion being in the shape of an undulating curve that has a concave curve C1 | 03/04/2008 |
| 7333158 | Three-dimensional display system and method thereof A three-dimensional (3D) display system includes a liquid crystal display and a directional backlight module. The backlight module disposed behind the liquid crystal display includes a light-guide plate, a focusing layer, a left backlight source, a right backlight s... | 02/19/2008 |
| 7333276 | Optical element and lighting device provided therewith An optical element that condenses light emitted from a light source has: an entrance surface where the light enters; an exit surface from which the light entering inside via the entrance surface; and a reflection surface that directs, to the exit surface by total re... | 02/19/2008 |
| 7331694 | Illuminating unit and projection type image display apparatus using the same An illuminating unit having a plurality of light emitting devices and collimators and a projection type image display apparatus using the same are provided. The illuminating unit includes: a plurality of light emitting devices which output light beams of predetermin... | 02/19/2008 |
| 7329029 | Optical device for LED-based lamp An optical device for coupling the luminous output of a light-emitting diode (LED) to a predominantly spherical pattern comprises a transfer section that receives the LED's light within it and an ejector positioned adjacent the transfer section to receive light from... | 02/12/2008 |
| 7320535 | Light control film A light control film having a refractive index n and an uneven, irregular surface pattern provides a reasonable level of light diffusion without a glare problem provided, for any cross-section perpendicular to the base plane of the film, the average of absolute valu... | 01/22/2008 |
| 7320531 | Multi-colored LED array with improved brightness profile and color uniformity A backlight uses an array of red, green, and blue LEDs in a mixing chamber. The mixing chamber has reflecting surfaces and a top opening for illuminating LCD layers. A desired brightness profile and better color uniformity are obtained by using techniques including ... | 01/22/2008 |
