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Class Information
Number: 257/E33.055
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Detail of nonsemiconductor component other than light-emitting semiconductor device (epo)
Description: This subclass is indented under subclass E33.001. This subclass is substantially the same in scope as ECLA classification H01L33/00B.

Sub-classes under this class:

Class Number Class Name Patents
257/E33.06 Coatings (epo) 271
257/E33.066 Electrical contact or lead (e.g., lead frame) (epo) 671
257/E33.062 Electrodes (epo) 314
257/E33.067 Means for light extraction or guiding (epo) 528
257/E33.077 Monolithic integration with photosensitive device (epo) 62
257/E33.056 Packaging (epo) 422
257/E33.075 With means for cooling or heating (epo) 451
257/E33.076 With means for light detecting (e.g., photodetector) (epo) 210

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710536 Composite high reflectivity layer Apr. 29, 2014
8692264 Light-emitting element, method of manufacturing light-emitting element, self-scanning light-emitting element array, optical writing head, and image forming apparatus Apr. 8, 2014
8686445 Solid state lighting devices and methods Apr. 1, 2014
8680543 Light Emitting Element Having a Capping Layer on an Electrode, Light Emitting Device Having the Same and Method for Manufacturing the Same Mar. 25, 2014
8673662 Light-emitting diode cutting method and product thereof Mar. 18, 2014
8673666 Light-emitting devices with textured active layer Mar. 18, 2014
8664681 Parallel plate slot emission array Mar. 4, 2014
8659094 Array substrate for liquid crystal display device and method of fabricating the same Feb. 25, 2014
8643029 Light emitting device having a plurality of light emitting cells and package mounting the same Feb. 4, 2014
8633506 Semiconductor light emitting device and method for manufacturing the same Jan. 21, 2014
8629447 Display apparatus having multiple spacers Jan. 14, 2014
8618558 Light emitting device package and light emitting apparatus Dec. 31, 2013
8614109 Semiconductor light-emitting apparatus and method of fabricating the same Dec. 24, 2013
8610139 Solid state light source module and array thereof Dec. 17, 2013
8598599 Group III nitride semiconductor light-emitting device Dec. 3, 2013
8581269 Modular high density LED array light sources Nov. 12, 2013
8581278 Light-emitting diode packaging structure Nov. 12, 2013
8564008 Light emitting device and light emitting device package Oct. 22, 2013
8564012 Optoelectronic apparatuses and methods for manufacturing optoelectronic apparatuses Oct. 22, 2013
8558217 Light emitting diode Oct. 15, 2013
8558254 High reliability high voltage vertical LED arrays Oct. 15, 2013
8558250 Displays with embedded MEMS sensors and related methods Oct. 15, 2013
8552449 Package of light emitting diode and method for manufacturing the same Oct. 8, 2013
8546829 Posts in glue layer for group-III nitride LEDs Oct. 1, 2013
8546839 Light emitting diode Oct. 1, 2013
8525193 Layered structure for use with high power light emitting diode systems Sep. 3, 2013
8525154 Light-emitting device having optical resonance layer Sep. 3, 2013
8513690 Light emitting diode structure having two lighting structures stacked together and driven by alternating current Aug. 20, 2013
8502257 Light-emitting diode package Aug. 6, 2013
8492242 Dry flux bonding device and method Jul. 23, 2013
8492789 Light emitting diode and method for manufacturing the same Jul. 23, 2013
8450764 Semiconductor light-emitting apparatus and method of fabricating the same May. 28, 2013
8431938 Light emitting device Apr. 30, 2013
8432947 Semiconductor light emitting device Apr. 30, 2013
8421085 Semiconductor light-emitting device Apr. 16, 2013
8415702 Reflector, manufacture method thereof and light-emitting device including the reflector Apr. 9, 2013
8410503 Light emitting devices Apr. 2, 2013
8405119 Organic light emitting diode lighting apparatus Mar. 26, 2013
8399906 AlGaInP-based light-emitting diode with double reflective layers and fabrication method thereof Mar. 19, 2013
8395182 Light emitting device, light emitting device package, method of manufacturing light emitting device and illumination system Mar. 12, 2013
8390017 Optical device for semiconductor based lamp Mar. 5, 2013
8390019 Light emitting device, semiconductor device, and method of fabricating the devices Mar. 5, 2013
8384106 Light emitting device and light emitting device package having the same Feb. 26, 2013
8378376 Vertical light-emitting diode Feb. 19, 2013
8368086 Light-emitting device having a gain region and a reflector Feb. 5, 2013
8368110 Side view LED package structure Feb. 5, 2013
8362516 Semiconductor light emitting device Jan. 29, 2013
8354284 LED module and method of manufacturing the same Jan. 15, 2013
8350254 Multilayer polymer electroluminescent device comprising water-soluble polymer layer containing cations and method for fabricating the same Jan. 8, 2013
8350275 Optoelectronic devices and coatings therefore Jan. 8, 2013

1 2 3

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