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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
7829888 Organic light emitting diode display device and method of manufacturing the same Nov. 9, 2010
7820464 Light emitting device and manufacturing method thereof Oct. 26, 2010
7816684 Light emitting display device and method of fabricating the same Oct. 19, 2010
7808004 Light emitting diode package structure and method of manufacturing the same Oct. 5, 2010
7794127 Light emitting diode having grooves to modulate light emission thereof Sep. 14, 2010
7767475 Light emitting device Aug. 3, 2010
7755098 Zinc oxide light emitting diode Jul. 13, 2010
7745840 Solide-state light source Jun. 29, 2010
7736920 Led package structure with standby bonding pads for increasing wire-bonding yield and method for manufacturing the same Jun. 15, 2010
7723732 Semiconductor light-emitting device and manufacturing method thereof May. 25, 2010
7705461 Structure of tag integrated circuit flexible board Apr. 27, 2010
7687817 Group III nitride compound semiconductor light emitting element, light emitting device using the light emitting element: and method for manufacturing the light emitting element Mar. 30, 2010
7687821 Gallium nitride based light emitting diode Mar. 30, 2010
7683396 High power light emitting device assembly utilizing ESD protective means sandwiched between dual sub-mounts Mar. 23, 2010
7683475 LED chip array module Mar. 23, 2010
7652301 Optical element coupled to low profile side emitting LED Jan. 26, 2010
7615789 Vertical light emitting diode device structure Nov. 10, 2009
7586126 Light emitting diode lighting module with improved heat dissipation structure Sep. 8, 2009
7573068 Transistor array substrate and display panel Aug. 11, 2009
7557451 Electro-optical device and electronic apparatus Jul. 7, 2009
7525119 Light emitting display device using thin film transistors and electro-luminescence element Apr. 28, 2009
7525126 LED package with converging optical element Apr. 28, 2009
7476908 Light emitting device Jan. 13, 2009
7456449 Semiconductor apparatus, LED print head, and printer Nov. 25, 2008
7423297 LED extractor composed of high index glass Sep. 9, 2008
7411221 Light emitting device having protection element and method of manufacturing the light emitting device Aug. 12, 2008
7362403 Liquid crystal display having gate driver IC chip COG-mounted on glass substrate Apr. 22, 2008
7345314 Organic light emitting diode display and manufacturing method thereof Mar. 18, 2008
7309619 Light-emitting element, production method thereof, and light-emitting apparatus Dec. 18, 2007
7307287 LED package and method for producing the same Dec. 11, 2007
7271020 Light emitting diode covered with a reflective layer and method for fabricating the same Sep. 18, 2007
7229902 Method for making a semiconductor device including a superlattice with regions defining a semiconductor junction Jun. 12, 2007
7161186 Sideway-emission light emitting diode Jan. 9, 2007
6107645 Thermoelectric system using semiconductor Aug. 22, 2000
4789881 Low coherence optical system having reflective means Dec. 6, 1988
4704669 Miniature lamp holder Nov. 3, 1987
4667270 Light emitting diode holder May. 19, 1987

1 2 3

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