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Browse by Category: Main > Physics
Class Information
Number: 257/90
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Incoherent light emitter structure > Plural light emitting devices (e.g., matrix, 7-segment array) > Multi-color emission > With heterojunction
Description: Subject matter wherein there is at least one heterojunction, i.e., wherein the junction separates semiconductor materials of different chemical composition.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8710533 Multicolored light converting LED with minimal absorption Apr. 29, 2014
8704246 Light emitting device and method of manufacturing the same Apr. 22, 2014
8680562 Light emitting device Mar. 25, 2014
8659037 Nanostructure optoelectronic device with independently controllable junctions Feb. 25, 2014
8648369 Light emitting device and method of fabricating the same Feb. 11, 2014
8618561 Methods for depositing nanomaterial, methods for fabricating a device, and methods for fabricating an array of devices Dec. 31, 2013
8610232 Hyperspectral imaging device Dec. 17, 2013
8581268 Light emitting diode with a current concentrating structure Nov. 12, 2013
8581296 Compound semiconductor device Nov. 12, 2013
8575630 Light emitting device, light emitting device unit, and method for fabricating light emitting device Nov. 5, 2013
8563996 Luminescent light source having blue light emitting diode chip and red light emitting diode chip Oct. 22, 2013
8552439 Light-emitting diode package Oct. 8, 2013
8546837 Light emitting device having vertical structure, package thereof and method for manufacturing the same Oct. 1, 2013
8525194 Nitride semiconductor device, nitride semiconductor wafer and method for manufacturing nitride semiconductor layer Sep. 3, 2013
8494020 Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus Jul. 23, 2013
8476622 Active matrix organic light emitting diode Jul. 2, 2013
8445928 Light-emitting diode light source module May. 21, 2013
8445925 Semiconductor optical device May. 21, 2013
RE44163 Semiconductor light emitting device and method for manufacturing the same Apr. 23, 2013
8415660 Light emitting device Apr. 9, 2013
8389980 Light emitting apparatus Mar. 5, 2013
8368055 Display device including organic light-emitting transistor and a fluorecent pattern and method of fabricating the display device Feb. 5, 2013
8338222 Method of fabricating organic light emitting display Dec. 25, 2012
8324637 High efficiency LEDs with tunnel junctions Dec. 4, 2012
8319234 Organic light emitting diode display having a multi-color pixel including a hydrophobic layer Nov. 27, 2012
8314434 Light emitting diode module and method of making the same Nov. 20, 2012
8314429 Multi color active regions for white light emitting diode Nov. 20, 2012
8314417 Memory device and semiconductor device Nov. 20, 2012
8299452 Method for fabrication of semipolar (Al, In, Ga, B)N based light emitting diodes Oct. 30, 2012
8294177 Light emitting device utilizing a LED chip Oct. 23, 2012
8288935 Light emitting diode apparatus and manufacturing method thereof Oct. 16, 2012
8278681 Light-emitting diode package and wafer-level packaging process of light-emitting diode Oct. 2, 2012
8269233 Vertical ACLED structure Sep. 18, 2012
8259257 Back light device, liquid crystal display apparatus and image display apparatus using the same Sep. 4, 2012
8243769 Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus Aug. 14, 2012
8243770 Quantum photonic imagers and methods of fabrication thereof Aug. 14, 2012
8227820 Semiconductor light-emitting device Jul. 24, 2012
8217401 Light emitting device using nano size needle Jul. 10, 2012
8207548 Semiconductor light emitting device, light emitting module, lighting apparatus, display element and manufacturing method of semiconductor light emitting device Jun. 26, 2012
8203157 Light emitting device having heat generating color conversion members Jun. 19, 2012
8174033 Light emission device including semiconductor light emitting elements May. 8, 2012
8174008 Light emitting device and method for manufacturing the same May. 8, 2012
8154034 Method for fabricating vertical light emitting devices and substrate assembly for the same Apr. 10, 2012
8148180 Techniques of forming Ohmic contacts on GaN light emitting diodes Apr. 3, 2012
8148713 Method for fabrication of semipolar (Al, In, Ga, B)N based light emitting diodes Apr. 3, 2012
8148741 Polychromatic LED's and related semiconductor devices Apr. 3, 2012
8143613 Organic light emitting device having multiple separate emissive layers Mar. 27, 2012
8129729 Light emitting device having light emitting elements and an air bridge line Mar. 6, 2012
8120011 Opto-electronic device Feb. 21, 2012
8110849 Light emitting device and method of manufacturing the same Feb. 7, 2012

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