Patent classifications
H10H20/853
LIGHT EMITTING DEVICE
A light emitting device includes: a ceramic substrate; a plurality of LED chips; a printed resistor(s) connected in parallel with the plurality of LED chips; a dam resin made of a resin having a low optical transmittance; a fluorescent-material-containing resin layer; and an anode-side electrode and a cathode-side electrode, (a) which are provided on a primary surface of the ceramic substrate so as to face each other along a first direction on the primary surface and (b) which are disposed below at least one of the dam resin and the fluorescent-material-containing resin layer. With the configuration in which a plurality of LEDs, which are connected in a series-parallel connection, are provided on a substrate, it is possible to provide a light emitting device which can achieve restraining of luminance unevenness and an improvement in luminous efficiency.
SUBSTRATE FREE LED PACKAGE
A method of fabricating a substrate free light emitting diode (LED), includes arranging LED dies on a tape to form an LED wafer assembly, molding an encapsulation structure over at least one of the LED dies on a first side of the LED wafer assembly, removing the tape, forming a dielectric layer on a second side of the LED wafer assembly, forming an oversized contact region on the dielectric layer to form a virtual LED wafer assembly, and singulating the virtual LED wafer assembly into predetermined regions including at least one LED. The tape can be a carrier tape or a saw tape. Several LED dies can also be electrically coupled before the virtual LED wafer assembly is singulated into predetermined regions including at the electrically coupled LED dies.
LIGHT EMITTING DEVICE
A light emitting device includes a substrate, a light emitting element, a sealing member, a light transmissive member and a heat dissipation terminal. The substrate has a first main surface, a second main surface, and a mounting surface that is adjacent to at least the second main surface. The substrate includes an insulating base material and a pair of connection terminals. The light emitting element is mounted on the first main surface of the substrate. The sealing member is in contact with at least a part of a side surface of the light emitting element and is formed substantially in the same plane as the substrate on the mounting surface. The heat dissipation terminal is arranged generally in the center on the second main surface of the substrate and has a recess portion as viewed along a direction normal to the second main surface.
Foldable Organic Light Emitting Display Device
A foldable organic light emitting display (OLED) device comprises a substrate including a display region and a non-display region, the non-display region located at a periphery of the display region; an emitting diode in the display region; and an encapsulation film covering both the emitting diode and an entirety of the display region, and the encapsulation film covering and a part of the non-display region without covering at least another part of the non-display region.
Optoelectronic component
An optoelectronic component includes a housing having a cavity in which an optoelectronic semiconductor chip having an emission face that emits light rays and a transparent potting material are arranged, wherein the cavity includes at least one side wall at least partly reflecting light rays incident on the side wall and reflectivity of which decreases as an operating period of the component increases, conversion particles are embedded into the potting material, which conversion particles convert light rays having a first wavelength incident on the conversion particles into light rays having a second wavelength, and scattering particles are embedded into the potting material, which scattering particles scatter light rays incident on the scattering particles and the scattering capability of which scattering particles increases as the operating period increases.
PACKAGE FOR LIGHT EMITTING DEVICE AND METHOD FOR PACKAGING THE SAME
There are provided a light emitting device package and a method for manufacturing the same. The light emitting device includes: a plurality of barriers provided above a metal circuit board; a plurality of light emitting devices placed in a space between the barriers; and a lens unit provided at an upper side of the barrier. Accordingly, the plurality of light emitting devices can be conveniently seated as a module format, and a luminance can be increased. Also, an efficiency of heat sink can be increase.
LIGHT EMITTING APPARATUS, ILLUMINATION APPARATUS AND DISPLAY APPARATUS
A light emitting apparatus including: one or a plurality of light emitting devices each having a plurality of electrodes and each emitting light from the upper surface of the light emitting device; a plurality of terminal electrodes provided on the lower side of the light emitting devices in a positional relation with the light emitting devices and electrically connected to the electrodes of the light emitting devices; a first metal line brought into contact with the upper surfaces of the light emitting devices and one of the terminal electrodes, provided at a location separated away from side surfaces of the light emitting devices and created in a film creation process; and an insulator in which the light emitting devices and the first metal line are embedded.
LIGHT EMITTING DEVICE HAVING FIRST AND SECOND RESIN LAYERS
A light emitting device includes a substrate, a light emitting element provided on the substrate, a first resin layer provided on the substrate to directly cover the light emitting element having a first side surface and a second side surface, and the first side surface and the second side surface differ from each other in inclination angle with respect to the substrate, and a second resin layer provided so as to surround side surfaces of the first resin layer.
Light bulb shaped lamp
A light bulb shaped lamp according to the present invention includes a translucent base board, an LED chip mounted on the base board, a base for receiving power from outside, at least two power-supply leads for supplying power to the LED chip, and a globe partially attached to the base for housing the base board, the LED chip, and the power-supply leads. Each of the two power-supply leads extends from a side of the base toward inside of the globe and connected to the base board, and the LED chip is provided between a portion at which one of the two power-supply leads and the base board are connected and a portion at which the other of the two power-supply leads and the base board are connected.
Light-emitting device and lighting device provided with the same
A light-emitting device capable of ensuring an electric connection between a light-emitting element and an electrode without generating any problem in practical use, by both connecting methods with a solder and a connector, and a lighting device provided with the light-emitting device are provided. The light-emitting device according to the present invention has a plurality of LED chips, and a soldering electrode land and a connector connecting electrode land electrically connected to the chips, on a ceramic substrate. The soldering electrode land is formed of a first conductive material having a function to prevent diffusion to a solder, and the connector connecting electrode land is formed of a second conductive material having a function to prevent oxidation.