Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8167464 | Backlight module and light emitting diode thereof A light emitting diode contains a light emitting diode chip and a light directing structure disposed thereon. The light directing structure has a pair of connected hemi-ellipsoids and an interface interposed therebetween. Each hemi-ellipsoid comprises a bottom surfa... | 05/01/2012 |
| 8123384 | Optical elements with internal optical features and methods of fabricating same An optical element, comprising a substrate and at least one optical film. The substrate is at least partially light-transmissive. The optical film comprises at least a first optical feature and is positioned on a contact surface of the substrate. Also, a lighting de... | 02/28/2012 |
| 8070329 | Light emitting optical systems and assemblies and systems incorporating the same Improved light emitting optics systems are provided for obtaining desired illumination patterns. Illumination assemblies and systems are provided that incorporate improved light emitting optics systems. ... | 12/06/2011 |
| 7988340 | Prism sheet and backlight module A prism sheet including a transparent substrate, a plurality of prism rods and at least one optical grating structure is provided. The transparent substrate has a first surface and a second surface opposite to the first surface. The prism rods are disposed on the fi... | 08/02/2011 |
| 7878689 | Light source package structure The present invention relates to a light source package structure, which comprises: an accommodating space for accommodating a light source, a first refraction surface, and at least a second refraction surface. The first refraction surface receives light discharging... | 02/01/2011 |
| 7845834 | Lighting system with an adjustable illuminated area The present invention discloses a lighting system with an adjustable illuminated area. The lighting system comprises a light source for outputting a light, a first refractive optical element and a second refractive optical element. The first and second refractive op... | 12/07/2010 |
| 7828467 | Street light source assembly with solid state light emitting elements A street light source assembly includes a number of spaced solid state light emitting elements for emitting light beams, a number of first light diverging members, and a number of second light diverging members. Each of the first diverging members comprises a first ... | 11/09/2010 |
| 7819558 | Transreflectors, transreflector systems and displays and methods of making transreflectors Light emitting assembly includes at least one film, sheet, plate or substrate positioned between a light source and a display for redirecting at least some of the light emitted by the light source. One side of the film, sheet, plate or substrate may have a pattern o... | 10/26/2010 |
| 7819543 | Optical unit, backlight device, liquid crystal module and liquid crystal display apparatus An optical unit for use in a backlight device of a liquid crystal display apparatus, has a first light-collecting and -diffusing optical component, a light-collecting optical component, and a second light-collecting and -diffusing optical component, provided in this... | 10/26/2010 |
| 7806547 | Brightness-enhancing film The present embodiments provide systems, backlights, films, apparatuses and methods of generating back lighting. Some embodiments provide backlights that include a cavity with at least one interior light source and diffusely reflecting wall of high reflectivity, a t... | 10/05/2010 |
| 7798678 | LED with compound encapsulant lens An LED light source includes an LED emitter and an encapsulant that at least partially surrounds the emitter. The encapsulant includes an inner lens and an outer lens, the inner lens having a refractive index less than, and in some cases about 70 to 80% of, the refr... | 09/21/2010 |
| 7722225 | Backlight unit and method of manufacturing a diffuser employed in the same A diffuser for a backlight unit of a display device including a base film, a first diffusion layer including a first resin and a plurality of first diffusion particles, and being formed on an upper surface of the base film, and a second diffusion layer including a s... | 05/25/2010 |
| 7712931 | Sweep collimator An optical element is configured for use in conjunction with a directional light source such as an LED to form an illuminator. The optical element includes a light entry surface, a reflector and an emission surface. Each of the light entry, reflector and emission su... | 05/11/2010 |
| 7699503 | Light control film and backlight unit using the same A light control film enabling improvement in front luminance, having appropriate light diffusing property and free from problems of interference pattern, glare etc. is provided. A light control film 10 having a rough surface as one surface and a substa... | 04/20/2010 |
| 7695167 | Optical sheet, backlight and liquid crystal display apparatus An optical sheet has a large number of cylindrical lens elements provided successively on one of principal faces thereof. The cylindrical lens elements have a finite focal distance on the emission side of illumination light and have an aspheric face of a leftwardly ... | 04/13/2010 |
| 7686481 | Illumination apparatus, method, and system for converting pseudo-collimated radiant energy into a predetermined pattern in angle space with controlled intensity A radiant energy redirecting apparatus, method, and system. In one aspect, it comprises two radiant energy distribution surfaces, each surface comprised of a multiplicity of equivalently shaped linear distribution elements, where each surface acts to distribute radi... | 03/30/2010 |
| 7572036 | Light emitting diode and lens for the same A lens for a light emitting diode is formed with a material having a refractive index of n, and the lens includes a base, a first curved circumferential surface extending from the base, a curved center-edge surface extending from the first curved circumferential sur... | 08/11/2009 |
| 7497599 | Transreflectors, transreflector systems and displays and methods of making transreflectors The transreflectors may comprise a transparent substrate having reflective surfaces and other light transmissive surfaces for respectively reflecting and transmitting a greater portion of the light striking opposite sides of the substrate. Alternatively, the transre... | 03/03/2009 |
| 7448775 | Transreflectors, transreflector systems and displays and methods of making transreflectors Light emitting assembly includes at least one film, sheet, plate or substrate positioned between a light source and a display for redirecting at least some of the light emitted by the light source. One side of the film, sheet, plate or substrate may have a pattern o... | 11/11/2008 |
| 7445359 | Optical lens and light emitting diode using the same An exemplary light emitting diode (30) includes a light output unit (31), an optical lens (33), and a reflective sheet (35). The optical lens is mounted on the light output unit. The optical lens includes a light input surface (331... | 11/04/2008 |
| 7438445 | Side-emitting light-emitting element and packaging lens thereof A side-emitting light-emitting element and a packaging lens thereof, wherein the packaging lens comprises an incident surface, a reflective surface, a first refractive surface, and a second refractive surface. The first refractive surface has zigzag surfaces. After ... | 10/21/2008 |
| 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 |
| 7434975 | Backlight module with brightness enhancing structures and liquid crystal display device incorporating same A liquid crystal display device 700 has a liquid crystal panel 701 and a backlight module 70 under the liquid crystal panel for providing light beams to the liquid crystal panel. The backlight module includes at least one light source 720... | 10/14/2008 |
| 7431490 | Light guide plate and backlight module adopting the same A light guide plate (200) includes an emission surface (204), a bottom surface (206), and at least one chamfering (202). The emission surface intersects with the chamfering. The bottom surface intersects with the chamfering and is opposit... | 10/07/2008 |
| 7422353 | Light-emitting device for image taking and image-taking apparatus having same A light-emitting device is disclosed which enables efficient use of luminous flux and achieves a desired light emission characteristic. The light-emitting device has an optical member which has an emergence surface and a plurality of optical portions, each of the op... | 09/09/2008 |
| 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 |
| 7416315 | Faceted reflector, reflector configuration, and method for producing the reflector A faceted reflector includes a plurality of individual reflectors embedded in a carrier, one main area of the carrier being a light entry side, and another main area being a light exit side. The individual reflectors may be cavities in the carrier, which, preferably... | 08/26/2008 |
| 7400439 | Uniform illumination system A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The optical system manipulates light emitted by a planar light emitters su... | 07/15/2008 |
| 7380969 | Planar light source system and light deflecting device therefor A planar light source system having an LED (1) serving as a primary light source of substantially point-shaped light source, a light guide (2) having a light incident face on which light emitted from the LED (1) is incident and a light emission ... | 06/03/2008 |
| 7372499 | Electronic flash, electronic camera and light emitting head The present invention is directed to a light emitting head for use with an electronic camera. The light emitting head is preferably formed as an array of red, green, and blue light emitting diodes (LEDs) provided on the sides of a light guide member, preferably a po... | 05/13/2008 |
| 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 |
| 7338188 | Light emitting device, method of manufacturing light emitting device, and image display device A light emitting device includes a light emitting portion provided on a reference plane to supply light, and an optical portion provided on the output side of the light emitting portion to transmit light from the light emitting portion. In the device, the optical po... | 03/04/2008 |
| 7334920 | Backlight module A backlight module (20) includes a plurality of light sources (24) and an optical sheet (21). The optical sheet includes a light incident surface (211), a light emitting surface (212), and a plurality of inverted rectangular pyrami... | 02/26/2008 |
| 7324187 | Illumination system and exposure apparatus Disclosed is an illumination optical system and an exposure apparatus having the same, and specifically, as an aspect of the invention, an illumination optical system for illuminating a surface to be illuminated, that includes an aperture stop for defining an effect... | 01/29/2008 |
| 7322733 | Light guide plate having micro-reflectors A light guide plate having micro-reflectors is to increase luminance of the light guide plate by changing light route. The light guide plate includes an incidence plane, an illuminating plane, and a bottom. Each of the micro-reflectors is disposed at the bottom and ... | 01/29/2008 |
| 7320823 | Light diffusing body and a transmission type screen A light diffusing body and transmission type screen, which can reduce the shift of the color tone of the light source light seen through the light diffusing body and prevent the phenomenon that the white light source seen through the light diffusing body looks color... | 01/22/2008 |
| 7318661 | Universal light emitting illumination device and method Disclosed is a method and apparatus for providing a light emitting diode and driving circuitry integrated into a component module that will retrofit common incandescent lightbulb applications. The disclosed embodiments will perform with high efficiency at a wide ope... | 01/15/2008 |
| 7312839 | Light guiding plate, liquid crystal display device using the same, and method for displaying pictures thereof A light guiding plate includes a light incident portion into which light is incident from a light source, a light reflecting pattern to reflect the light provided from the light incident portion, and a light transmitting surface to transmit the light reflected by th... | 12/25/2007 |
| 7312927 | Head-up display A straw holder for supporting a drinking straw in the mouth of a bottle is presented. The holder includes a straw support portion dimensioned for placement across the mouth of a bottle. The straw support portion includes an aperture designed to receive a straw there... | 12/25/2007 |
| 7303291 | Illumination apparatus and video projection display system An illumination apparatus includes: a group of light source segments; a group of condenser lenses arrayed as opposed to the group of light source segments, and a group of rectangular lens elements arrayed as opposed to the group of condenser lenses for converging a ... | 12/04/2007 |
