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Class 257/E27.121 - In a repetitive configuration (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E27.12. This subclass
No. of patents: 150
Last issue date: 12/12/2006


1        
NumberTitleIssue Date
7148511Active matrix substrate, electro-optical device, electronic device, and method for manufacturing an active matrix substrate
An active matrix substrate includes a load circuit including a first active element performing a switching operation of a load, the first active element including a semiconductor film of a substantially polycrystalline state; a drive circuit including a second activ...
12/12/2006
7135708Semiconductor apparatus having conductive layers and semiconductor thin films
A semiconductor apparatus includes a substrate; m electrically conductive layers formed on the substrate, m being an integer of 2 or more, potentials of the m electrically conductive layers being capable of being independently controlled; and semiconductor thin film...
11/14/2006
7049160Gallium nitride compound semiconductor device and method of manufacturing the same
A GaN compound semiconductor device can be capable of free process design and can have optimum device characteristics. The device can include a group III nitride compound semiconductor laminate structure including an n-type GaN compound semiconductor layer and a p-t...
05/23/2006
6703644Method for producing a semiconductor configuration
In a method for producing a semiconductor configuration that includes at least two semiconductor elements, at least two differently doped surface regions are embodied on the top side of a semiconductor substrate. After that, an active layer structure incl...
03/09/2004
6677970Light-emitting diode array and optical print head
An optical print head has a light-emitting diode array having a density of 600 dpi or higher, but nevertheless permits wire bonding to be performed securely and permits reliable bonding. The light-emitting diode array has a thick-film surface protection f...
01/13/2004
6663785Broad spectrum emitter array and methods for fabrication thereof
Embodiments of the present invention are directed to method of fabrication of a broadband emitter array. Embodiments of the present invention may grown a first set of emitters possessing a first quantum well characteristic (e.g., quantum well thickness or...
12/16/2003
6639251Light emitting element array module and printer head and micro-display using the same
A light emitting element array module includes a board; a silicon base having a first side, a second side opposite to the first side and adhered to the board, a third side having a first angle with the second side, a fourth side substantially in parallel ...
10/28/2003
6635901Semiconductor device including an InGaAIN layer
A semiconductor device includes a silicon substrate and a compound semiconductor layer formed on a main plane of the silicon substrate. The compound semiconductor layer is represented by the general formula of Inx Gay Alz ...
10/21/2003
6630366Manufacturing method for light emitting device
In semiconductor light emitting sections capable of effectively improving electric cross-talk and effectively avoiding short-circuit between each of light emitting devices, in which a plurality of semiconductor light emitting sections are formed to a semi...
10/07/2003
6621105Array of light-emitting elements with multilayer wiring
An array of light-emitting elements is divided into cells, the cells are divided into electrically isolated blocks, and a multilayer wiring scheme is employed in which each block has two wire-bonding pads. A first wire leads from the first wire-bonding pa...
09/16/2003
6614055Surface light-emitting element and self-scanning type light-emitting device
A surface light-emitting element having improved external light emission efficiency and a self-scanning light-emitting device using this surface light-emitting element are provided. To improve external light-emission efficiency, the light-emitting center ...
09/02/2003
6590347Light-emitting element matrix array
The cost of a light-emitting element matrix array is reduced by implementing a function equivalent to a light-emitting thyristor by elements different therefrom. A plurality of combinational element are arrayed in one line. The plurality of combinational ...
07/08/2003
6563138Low-cost, high-density light-emitting-diode array and fabrication method thereof
A light-emitting-diode array is formed on a substrate having an upper layer of a semiconducting material and a lower layer of an insulating or semi-insulating material. The upper layer is divided into blocks by isolation channels that cut completely throu...
05/13/2003
6559433Display type image sensor
A display type image sensor using thin-film photoelectric conversion elements that function as light emitting elements and light receiving elements so that the sensor can be used both as an active matrix display and as an image sensor, wherein pixels (PX)...
05/06/2003
6547249Monolithic series/parallel led arrays formed on highly resistive substrates
Series or parallel LED arrays are formed on a highly resistive substrate, such that both the p- and n-contacts for the array are on the same side of the array. The individual LEDs are electrically isolated from each other by trenches or by ion implantatio...
04/15/2003
6515309LED array chip
An LED array chip comprises a semiconductor substrate having a front surface and a side surface. The first surface and the front surface come together at an end of the chip to define an end portion of said semiconductor substrate that has an acute angle b...
02/04/2003
6498356LED chip, LED array chip, LED array head and image-forming apparatus
There is disclosed an LED array chip which can minimize LED optical property deterioration by addition of a surface protective film, and mainly side effects such as light quantity decrease and light quantity dispersion increase among light emitting bits. ...
12/24/2002
6444998Semiconductor light emitting device and manufacturing method thereof
In semiconductor light emitting sections capable of effectively improving electric cross-talk and effectively avoiding short-circuit between each of light emitting devices, in which a plurality of semiconductor light emitting sections are formed to a semi...
09/03/2002
6392615Drive apparatus and method of light emission element array
In a drive apparatus of a self-scanning type light emission element array, a first bit light emission thyristor is surely set into an ON state, thereby stabilizing shift of a light emitting operation from the first bit light emission thyristor. In the lig...
05/21/2002
6388696Led array, and led printer head
According to the present invention, a plurality of p-type semiconductor layers 13 are formed in a single row and a first layer insulating film 12 having first opening portions 16a and an n-side opening portion 17 is formed on the layers in an n-type semic...
05/14/2002
6358764Semiconductor light emitting device and method of producing same
A semiconductor light emitting device having a plurality of semiconductor light emitting elements of different emission wavelengths capable of reducing the number of parts and simplifying the configuration of an optical system, comprising a substrate and ...
03/19/2002
6355945Semiconductor optical device and optoelectronic integrated circuit device including a ZnO buffer layer
A semiconductor optical device includes a GaAs substrate, a light-emitting/light-receiving layer including a GaN-based compound semiconductor, and a ZnO film formed between the GaAs substrate and the light-emitting/light receiving layer....
03/12/2002
6342402Light emitting diode array and method of forming the same
A light emitting diode array includes a light emitting area formed on a semiconductor substrate, a diffusion prevention layer formed on the semiconductor substrate, and an insulating layer formed on the diffusion prevention layer. The diffusion prevention...
01/29/2002
6329676Flat panel solid state light source
A light emitting diode structure capable of use within a flat panel device with small thickness and large area size. In some embodiments, the LED structure is combined with phosphors to generate light of varying chrominance and luminance including white a...
12/11/2001
6313483Light-emitting semiconductor device with reduced nonradiative recombination
A light-emitting semiconductor device has a semi-insulating semiconductor surface layer overlying a conductive semiconductor layer of a first conductive type. A diffusion region of a second conductive type extends through the semi-insulating semiconductor...
11/06/2001
6271051Light-emitting diode, light-emitting diode array, and method of their fabrication
A compound semiconductor layer of a first conductivity type is formed on a substrate, and a diffusion region of a second conductivity type is formed on the compound semiconductor layer. The light-emitting diode has a high emitted light power, using a larg...
08/07/2001
6252351Light emitting diode array
A contact layer having a low resistance in an LED is extended from an inside edge of a light take-out region in a light emitting dot to a central position thereof, whereby an input current in the light take-out region expands, while an electrode is extend...
06/26/2001
6236065Light-emitting diode array and method for fabricating the same
The light-emitting diode array of the invention includes: a semiconductor substrate of a first conductivity type and a plurality of light-emitting elements linearly arranged on the substrate of the first conductivity type. Each of the plurality of light-e...
05/22/2001
6232724Light emitting diode array
An LED array composed of a plurality of LEDs is disposed on either side of a signal interconnection board, while metal plates are disposed on the other side of the signal interconnection board as positive and negative power source lines for driving the LE...
05/15/2001
6211537LED array
A 1200 dpi LED may be manufactured without highly accurate mask alignment and provide good light radiation efficiency. A first interlayer dielectric is formed on a semiconductor substrate and has a plurality of first windows formed therein and aligned in ...
04/03/2001
6190935Low-cost, high-density light-emitting-diode array and fabrication method thereof
A light-emitting-diode array is formed on a substrate having an upper layer of a semiconducting material and a lower layer of an insulating or semi-insulating material. The upper layer is divided into blocks by isolation channels that cut completely throu...
02/20/2001
6180961Light emitting semiconductor device with stacked structure
A high-density semiconductor device and semiconductor device array exhibiting high light emission efficiency which can be mass-produced at low cost with high yield is provided. An LED array comprises a structure wherein an n-type GaAs buffer layer 102 is ...
01/30/2001
6180960Surface light-emitting element and self-scanning type light-emitting device
A surface light-emitting element having improved external light emission efficiency and a self-scanning light-emitting device using this surface light-emitting element are provided. To improve external light-emission efficiency, the light-emitting center ...
01/30/2001
6136627High-resolution light-sensing and light-emitting diode array and fabrication method thereof
A light-sensing/emitting diode array chip has impurity diffusion regions with a depth of at least 0.5 μm but not more than 2 μm in a semiconductor substrate. Each impurity diffusion region is preferably divided into a first region, used for emitting or ...
10/24/2000
6072197Semiconductor light emitting device with an active layer made of semiconductor having uniaxial anisotropy
A semiconductor light emitting device includes a second semiconductor layer, an active layer, a third semiconductor layer and a pair of electrodes. The second semiconductor layer is formed directly on the principal pane of a substrate or via a first semic...
06/06/2000
6064418Led array, print head, and electrophotographic printer
In an array of light-emitting diodes formed by diffusion of an impurity into a semiconductor substrate, the width of the diodes in the array direction is between four-tenths and five-tenths of the array pitch. The width of the windows above the diodes is ...
05/16/2000
6054724Light-emitting diode, light-emitting diode array
A compound semiconductor layer of a first conductivity type is formed on a substrate, and a diffusion region of a second conductivity type is formed on the compound semiconductor layer. The light-emitting diode has a high emitted light power, using a larg...
04/25/2000
6054723Light emitting diode array with contact geometry
A light emitting diode array includes a light emitting area formed on a semiconductor substrate, a diffusion prevention layer formed on the semiconductor substrate, and an insulating layer formed on the diffusion prevention layer. The diffusion prevention...
04/25/2000
5972729Method of manufacturing light-receiving/emitting diode array chip
A method of manufacturing a light-emitting or a light-receiving diode array chip. A first interlayer dielectric is formed in each of a plurality of chip areas on a substrate of a first conductivity type. Impurity diffusion regions of a second conductivity...
10/26/1999
5955747High-density light-emitting-diode array utilizing a plurality of isolation channels
A light-emitting-diode array is formed on a substrate having an upper layer of a semiconducting material and a lower layer of an insulating or semi-insulating material. The upper layer is divided into blocks by isolation channels that cut completely throu...
09/21/1999
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