Patent application number | Description | Published |
20080258040 | Direct backlight module using optical feedback - A direct-light-type backlight module uses optical feedback to control point light sources for obtaining a default luminance. Each point light source drives a section in a cyclic time domain to em it a light. A photo detector detects a brightness and the brightness is thus control led by the optical feedback from the photo detector. | 10-23-2008 |
20090015157 | PHOSPHOR PACKAGE OF LIGHT EMITTING DIODES - A phosphor package of light emitting diodes includes a lens made of a transparent optical material, and a side of the lens with at least one phosphor containing groove corresponding to a light emitting diode chip. The concentration of the phosphor is adjusted before a required quantity of phosphor is adhered into the phosphor containing groove. The phosphor is baked and solidified. A gel is filled into the gap between the wire-bonded light emitting chip and the phosphor for binding with each other to complete the manufacturing process of a phosphor package; and such manufacturing process can effectively and accurately control the phosphor to achieve high quality stability and color uniformity. | 01-15-2009 |
20090025427 | Manufacturing Method for Micro Components - A manufacturing method for micro components includes the steps of manufacturing a large component by molding and shaping a thermally contractible material; heating and cooling the large component, such that the size of the large component can be reduced by the contraction of the material to form a reduced component; duplicating the reduced component to obtain a mold; and manufacturing a further reduced component by the molding and shaping process of the mold. The manufacturing method simply requires the processes of duplicating the component, contracting the material with an equal contraction ratio, and preparing the mold, and thus the manufacturing method is simple, easy and fast. The method can overcome the shortcomings of the prior art, of which the precision and the freedom for the external design of the micro components cannot be controlled easily. | 01-29-2009 |
20090273289 | LED Light String for Decoration with Units having Replaceable LED and Housing - A lamp unit includes a power cord having a mating plug at one end and a corresponding mating plug at the other end, a bulb seat, an LED holder, an LED, and a housing. The LED is mounted on the LED holder in a watertight fashion and the LED holder is mounted on the bulb seat in a watertight fashion so as to prevent water from getting in the bulb seat. The LED can be replaced with another LED capable of emitting light of different color. The housing can be replaced with another housing of different shape. The corresponding mating plug of one lamp unit is adapted to connect to the mating plug of another lamp unit so as to form an LED light string for decoration of any desired length. The invention is highly adaptable to be employed in different environments and events. | 11-05-2009 |
20090275257 | Process for Encapsulating LED Chip by Fluorescent Material - An LED chip encapsulation process includes the steps of (a) forming a fluorescent member by injection molding to encapsulate an LED chip; (b) hardening the fluorescent member; (c) forming a transparent dome to embed and encapsulate the LED chip and the fluorescent member; and (d) securing the dome and the substrate together to finish a packaging of the LED chip. Shape of the fluorescent member disposed on the LED chip can be controlled precisely, thereby increasing quality and color uniformity of the produced LED chip. Alternatively, the LED chip is a remote LED chip and step (a) is replaced by forming a plastic member to encapsulate the LED chip and forming a fluorescent member on the top of the plastic member by injection molding. | 11-05-2009 |
20090279053 | Apparatus for Continuously Projecting Images and Method therefor - A method for continuously projecting images by enabling an apparatus including a light source, an image creation unit, and a projection unit includes receiving video signals from a predetermined source; creating a plurality of images from the video signals while being impinged by light emitted by the light source; receiving the images from the image creation unit; and activating the projection unit to project the images on a projection screen in a predetermined rapid succession so as to create a motion picture effect. As such, lighting adjustment and natural beauty simulations in a vivid way can be achieved. | 11-12-2009 |
20090322026 | LED Chess Set - In a light emitting diode (LED) chess set, when a chess piece of the chess set is placed on a chessboard, a power supply element in the chessboard will supply power to an LED in the chess piece to emit light, so that the chess piece gives a light emitting effect. When a player removes a chess piece from a square of the chessboard for a next movement of the chess piece, a control element in the chessboard will identify an identification element of the chess piece through a sensing element on the square to determine the possible next movements of the chess piece on the chessboard and drive the LEDs in the corresponding squares of all suggested movements to emit light. The light-emitting square guides and suggests players to make the next movement of a chess piece and improve a beginner's memory on the rules of chess. | 12-31-2009 |
20100055813 | Method of Packaging Light Emitting Diode on Through-Hole Substrate - In a method of packaging a light emitting diode on a through-hole substrate, through holes are created and a wire bonded light emitting diode (LED) chip is set on the substrate, and a lens is set on the through holes and the wire bonded LED chip. The through holes are provided for filling a phosphor into the lens and extracting air in the lens, so that the phosphor can be coated uniformly on the wire bonded LED chip. After the phosphor is solidified, the packaging of the LED is completed. The method can produce a desired shape of the phosphor while the cost is being taken into consideration, and thus the invention can help manufacturers to produce an accurate shape of the phosphor to provide an LED light source of a better quality without involving a complicated procedure. | 03-04-2010 |
20100165649 | Automobile Lamp - An automobile lamp includes a light emitting element used as an initial light source, a light guide element for calculating a divergence angle and a light emitting area of the divergence angle of the initial light source, and a lens element to enhance a light extraction efficiency of the light emitting element and produce a light source with a predetermined light pattern and a high light extraction efficiency. A projecting element is used for enhancing the contrast of the light pattern of the light source, so that the automobile lamp can project a high-contrast cutoff line. A light emitting surface of the light emitting element is designed with a predetermined shape, such that no other optical component is required for projecting a light beam with a cross-section of a predetermined shape, so as to enhance a light energy utilization efficiency of the automobile lamp effectively. | 07-01-2010 |
20100296296 | HIGH CONTRAST LIGHT PATTERN PROJECTION MECHANISM - A high contrast light pattern projection mechanism includes a first reflecting body and a second reflecting body installed at upper and lower portions of an open end of a reflecting cavity respectively. If a light emitting module in the reflecting cavity emits a light source, a large-angle light and a small-angle light of the light source will be reflected from the first reflecting surface in the reflecting cavity and the second and third reflecting surfaces of the reflecting bodies respectively, such that the large-angle light and the small-angle light form a high contrast light pattern to be emitted to the outside, so as to enhance both contrast and illumination efficiency of the projection mechanism. | 11-25-2010 |
20110019424 | High Contrast Light Pattern Projection Mechanism - A high contrast light pattern projection mechanism includes a first reflecting body and a second reflecting body installed at upper and lower portions of an open end of a reflecting cavity respectively. If a light bulb module in the reflecting cavity emits a light source, a large-angle light and a small-angle light of the light source will be reflected from the first reflecting surface in the reflecting cavity and the second and third reflecting surfaces of the reflecting bodies respectively, such that the large-angle light and the small-angle light form a high contrast light pattern to be emitted to the outside, so as to enhance both contrast and illumination efficiency of the projection mechanism. | 01-27-2011 |
20120038890 | Illuminated device possessing a floating image - An illumination device capable of producing a floating image which includes a light emitting module installed at a central position of a reflecting cavity. An object is placed on the light emitting module and a light reflector is placed at the opening of the reflecting cavity, a hole is located at a central position of the light reflector, corresponding to the light emitting module and the object. A power supply module for supplying an electric power to the light emitting module for generating a light source, so that the light source can be projected and passed through the object, and an image of the object is reflected from the light reflector to the mirror of the reflecting cavity, and then reflected from the mirror to the hole where the light is focused to form a floating image with a shape identical to the object, so as to achieve the effects of illumination and forming a floating live image. | 02-16-2012 |
20130240926 | LIGHT-EMITTING DIODE PACKAGING STRUCTURE OF LOW ANGULAR CORRELATED COLOR TEMPERATURE DEVIATION - A light-emitting diode (LED) packaging structure having low angular correlated color temperature deviation includes: a substrate, a LED chip, a phosphor body, and a transparent lens. The LED chip is disposed on the substrate, and the phosphor body includes a hemisphere body and an extension part extended from the bottom of the hemisphere body. The phosphor body is disposed on the substrate and covers the LED chip. Besides, the transparent lens is disposed outside the phosphor body to cover the phosphor body to increase light extraction efficiency. With the implementation of the present invention, the setup of the extension part makes a longer vertical distance between the LED chip and the top of the phosphor body, so that the light in the normal direction of the LED chip can have a longer optical length, thereby to reduce the angular correlated color temperature deviation. | 09-19-2013 |