Patent classifications
H10H20/84
Method for Producing a Conversion Lamina and Conversion Lamina
A method for producing at least one conversion lamina for a radiation-emitting semiconductor component is specified. In an embodiment, the conversion lamina includes a base material and a conversion substance embedded in the base material, wherein the conversion lamina has a thickness between 60 m inclusive and 170 m inclusive.
WAFER LEVEL PACKAGING OF MULTIPLE LIGHT EMITTING DIODES (LEDS) ON A SINGLE CARRIER DIE
An LED wafer includes LED dies on an LED substrate. The LED wafer and a carrier wafer are joined. The LED wafer that is joined to the carrier wafer is shaped. Wavelength conversion material is applied to the LED wafer that is shaped. Singulation is performed to provide multiple LED dies that are joined to a single carrier die. The multiple LED dies on the single carrier die are connected in series and/or in parallel by interconnection in the LED dies and/or in the single carrier die. The singulated devices may be mounted in an LED fixture to provide high light output per unit area. Related devices and fabrication methods are described.
Semiconductor Devices for Integration with Light Emitting Chips and Modules Thereof
A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
Optoelectronic component and method of producing an optoelectronic component
An optoelectronic component includes at least one inorganic optoelectronically active semiconductor component having an active region that emits or receives light during operation, and a sealing material directly applied by atomic layer deposition, wherein the semiconductor component is applied on a carrier, the carrier includes electrical connection layers, the semiconductor component electrically connects to one of the electrical connection layers via an electrical contact element, and the sealing material completely covers in a hermetically impermeable manner and directly contacts all exposed surfaces including sidewall and bottom surfaces of the semiconductor component and the electrical contact element and all exposed surfaces of the carrier apart from an electrical connection region of the carrier.
Semiconductor device, method for manufacturing same, light-emitting diode, and method for manufacturing same
A semiconductor device is disclosed, and the semiconductor device comprises: a semiconductor layer; and a transparent electrode which is formed from a resistance switching material and is formed on one side of the semiconductor layer, wherein the transparent electrode includes a channel on which an electron is capable of hopping and a conductive path formed by applying a voltage that is a threshold voltage or more, and the threshold voltage for forming the conductive path is lowered by the channel.
Backlight unit using multi-cell light emitting diode
A backlight unit includes a backlight module with a printed circuit board including blocks and MJT LEDs disposed on the blocks, respectively and a backlight control module generating a signal for drive control of each of the blocks, wherein each of the blocks comprises at least one MJT LED, and the backlight control module includes a drive controller for On/Off control and dimming control of each of the blocks.
LIGHT EMITTING DEVICE HAVING VERTICAL STRUCTURE AND PACKAGE THEREOF
A light emitting device package can include a sub-mount having a first surface, a second surface, a bottom surface and a cavity; a first layer on the first surface; a second layer on the second surface; a third layer on the bottom surface; a light emitting device on the first layer and including a supporting layer including an anti-diffusion layer, a first electrode on the supporting layer, a semiconductor light emitting structure electrically connected to the first electrode, and a second electrode electrically connected to the semiconductor light emitting structure, in which the first and second electrodes electrically connect to the first layer and the second layer, respectively, and the semiconductor light emitting structure includes a light extraction structure; an ESD property improving diode on the second surface, electrically connected to the second layer and arranged a distance apart from the light emitting device, and a lens on the sub-mount.
NANOPILLAR MICROFLUIDIC DEVICES AND METHODS OF USE THEREOF
Described herein are microfluidic devices and methods of detecting an analyte in a sample that includes flowing the sample though a microfluidic device, wherein the presence of the analyte is detected directly from the microfluidic device without the use of an external detector at an outlet of the microfluidic device. In a more specific aspect, detection is performed by incorporating functional nanopillars, such as detector nanopillars and/or light source nanopillars, into a microchannel of a microfluidic device.
Light-emitting device comprising films having different optical path lengths
A light-emitting device includes a first light-emitting element emitting blue light, a second light-emitting element emitting green light, and a third light-emitting element emitting red light. A first reflective electrode and a first transparent conductive film, a second reflective electrode and a second transparent conductive film, and a third reflective electrode and a third transparent conductive film are stacked in the first to third light-emitting elements, respectively. A first light-emitting layer, a charge-generation layer, a second light-emitting layer, and an electrode are stacked in this order over each of the first transparent conductive film, the second transparent conductive film, and the third transparent conductive film. The electrode has functions of transmitting and reflecting light. The first to third reflective electrodes contain silver. The first transparent conductive film is thicker than the third transparent conductive film. The third transparent conductive film is thicker than the second transparent conductive film.
Group III nitride semiconductor light-emitting device
The present invention provides a Group III nitride semiconductor light-emitting device exhibiting improved emission efficiency. The Group III nitride semiconductor light-emitting device includes a base layer, an n-type superlattice layer, a light-emitting layer, and a p-type cladding layer, each of the layers being made of Group III nitride semiconductor. An electron injection adjusting layer comprising a single Al.sub.xGa.sub.1-xN (0<x<1) layer and having a thickness of 5 to 30 is formed in the base layer. The n-type superlattice layer is a superlattice layer having a periodic structure of an In.sub.yGa.sub.1-yN (0<y<1) layer, an i-GaN layer, and an n-GaN layer. The electron injection adjusting layer has a thickness of 5 to 30 and an Al composition ratio of 0.15 to 0.5.