Inventor
Yi-Qun Li
Inventor
Danville, CA, US
Overview
Patents· 164 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers12%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted7%
F21KNon-electric light sources using luminescence7%
F21VFunctional features or details of lighting devices or systems thereof7%
H01LSemiconductor devices6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
H05BElectric heating5%
H01JElectric discharge tubes or discharge lamps2%
PatentTitleYear
10,880,078Data storage, data check, and data linkage method and apparatus202010,847,566High color rendering white light emitting devices and high color rendering photoluminescence compositions202010,849,248Cable backplane202010,837,608Full spectrum white light emitting devices202010,685,941Full spectrum white light emitting devices202010,584,280Coated narrow band green phosphor202010,568,172Dimmable solid-state light emitting devices202010,566,399Display substrate and method for manufacturing the same, and display device202010,557,594Solid-state lamps utilizing photoluminescence wavelength conversion components202010,535,805Narrow-band red phosphors for LED lamps202010,479,937Narrow band red phosphor201910,468,564Packaged white light emitting device comprising photoluminescence layered structure201910,371,325Full spectrum white light emitting devices201910,347,798Photoluminescence material coating of LED chips201910,274,166Solid-state linear lighting arrangements including light emitting phosphor201910,270,066Pedestal of laser packaging device and laser packaging device201910,253,257Coated narrow band red phosphor201910,234,725Photoluminescence color display201910,204,888LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion201910,190,047Green-emitting, garnet-based phosphors in general and backlighting applications201910,174,246Red-emitting nitride-based calcium-stabilized phosphors201910,074,821Screen-printing mask, related packaging method, display panel, display apparatus, and method for fabricating the same201810,066,160Solid-state white light generating lighting arrangements including photoluminescence wavelength conversion components201810,038,047Light emitting diode packaging structure and packaging method201810,026,874Narrow-band red phosphors for LED lamps20189,739,444'Light emitting diode (LED) based lighting systems'20179,695,357'Nitride phosphors with interstitial cations for charge balance'20179,595,644'LED lighting arrangement including light emitting phosphor'20179,550,162'Printing liquid solution arrays for inorganic combinatorial libraries'20179,524,954'LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion'20169,512,970'Photoluminescence wavelength conversion components'2016D0769743'Portion of wall-mounted control panel'20169,476,568'White light illumination system with narrow band green phosphor and multiple-wavelength excitation'20169,458,378'Green-emitting, garnet-based phosphors in general and backlighting applications'20169,428,690'Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates'20169,422,472'Red-emitting nitride-based phosphors'20169,410,083'Phosphor composition with self-adjusting chromaticity'20169,359,550'Yellow-green to yellow-emitting phosphors based on halogenated-aluminates'20169,324,923'Multiple-chip excitation systems for white light emitting diodes (LEDs)'20169,318,670'Materials for photoluminescence wavelength converted solid-state light emitting devices and arrangements'20169,260,659'Red-emitting nitride-based calcium-stablized phosphors'20169,256,107'Liquid crystal display and method of manufacturing the same'2016D0747031'Optical component for an LED lamp'20169,147,665'High bond line thickness for semiconductor devices'20159,120,975'Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates'20159,085,732'Millisecond decay phosphors for AC LED lighting applications'20159,089,037'Long decay phosphors for lighting applications'20159,045,688'LED lighting arrangement including light emitting phosphor'20159,023,242'Green-emitting, garnet-based phosphors in general and backlighting applications'2015D0727542'LED light bulb'20159,004,705'LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion'20159,006,966'Coatings for photoluminescent materials'20158,998,433'Light emitting device utilizing remote wavelength conversion with improved color characteristics'20158,992,051'Solid-state lamps with improved radial emission and thermal performance'20158,957,585'Solid-state light emitting devices with photoluminescence wavelength conversion'20158,951,440'Nitride-based red-emitting phosphors in RGB (red-green-blue) lighting systems'20158,951,441'Nitride phosphors with interstitial cations for charge balance'20158,946,998'LED-based light emitting systems and devices with color compensation'20158,947,619'Photoluminescence color display comprising quantum dots material and a wavelength selective filter that allows passage of excitation radiation and prevents passage of light generated by photoluminescence materials'20158,902,388'Display device having a domain-forming layer with a depression pattern and method of manufacturing the same'20148,896,792'Liquid crystal display device comprising a reactive mesogen that fixes liquid crystal molecules to form a liquid crystal domain'20148,888,318'LED spotlight'20148,883,528'Methods of producing light emitting device with phosphor wavelength conversion'20148,877,094'Yellow-green to yellow-emitting phosphors based on halogenated-aluminates'20148,860,914'Display device and method of manufacturing the same'20148,852,455'Europium-activated, beta-SiAlON based green phosphors'20148,822,954'Phosphor based authentication system'20148,807,799'LED-based lamps'20148,810,749'Backlight sources having reduced thickness and liquid crystal display device using the same'2014D0710535'Optical component for an LED lamp'20148,779,685'High CRI white light emitting devices and drive circuitry'20148,773,337'Color temperature tunable white light source'20148,740,400'White light illumination system with narrow band green phosphor and multiple-wavelength excitation'20148,711,303'Liquid crystal display panel'20148,686,449'Light emitting device with phosphor wavelength conversion'20148,679,367'Green-emitting (oxy)nitride-based phosphors and light-emitting device using the same'20148,663,502'Red-emitting nitride-based phosphors'20148,662,690'Multi-colored illumination system with wavelength converter and method'20148,631,598'Light emitting sign and display surface therefor'20148,628,255'Light emitting diode lighting system'20148,616,714'Solid-state lamps with improved radial emission and thermal performance'20138,597,545'Red-emitting nitride-based calcium-stabilized phosphors'20138,567,973'Multiple-chip excitation systems for white light emitting diodes (LEDs)'20138,570,473'Display substrate, liquid crystal display panel having the same, and method of manufacturing the liquid crystal display panel'20138,539,702'Light emitting sign and display surface therefor'20138,538,217'Light emitting diode lighting system'20138,529,791'Green-emitting, garnet-based phosphors in general and backlighting applications'2013D0688820'LED lamp'20138,475,683'Yellow-green to yellow-emitting phosphors based on halogenated-aluminates'20138,461,613'Light emitting device'20138,414,796'Nano-YAG:Ce phosphor compositions and their methods of preparation'20138,401,244'Method and system for securely authenticating user identity information'20138,390,193'Light emitting device with phosphor wavelength conversion'20138,376,580'Light emitting diode (LED) based lighting systems'20138,364,120'Identity verification using location over time information'20138,354,784'Solid-state light emitting devices with photoluminescence wavelength conversion'20138,337,029'Light emitting device with phosphor wavelength conversion'20128,302,336'Light emitting sign and display surface therefor'20128,274,215'Nitride-based, red-emitting phosphors'20128,211,825'Methanol oxidation catalyst'20128,211,593'Low platinum fuel cells, catalysts, and method for preparing the same'20128,203,260'Color temperature tunable white light source'20128,188,502'Light emitting device with phosphor wavelength conversion'20128,143,769'Light emitting diode (LED) lighting device'20128,133,461'Nano-YAG:Ce phosphor compositions and their methods of preparation'2012D0650120'Optical component for an LED lamp'2011D0650118'Optical component for an LED lamp'2011D0650119'Optical component for an LED lamp'20118,067,884'LED lighting arrangement including a substantially spherical optical component having a surface partially coated with a light emitting phosphor'20118,022,009'Process for synthesizing LixFeMZO4/ carbon and LixMZO4/ carbon composite materials'20118,017,035'Silicate-based yellow-green phosphors'20118,013,237'Integrated photovoltaic modular panel for a curtain wall glass'20118,008,694'Brightness enhancement method and apparatus of light emitting diodes'20117,972,030'Light emitting diode (LED) based lighting systems'20117,937,865'Light emitting sign and display surface therefor'20117,922,937'Two-phase silicate-based yellow phosphor'20117,915,627'Light emitting device with phosphor wavelength conversion'20117,906,041'Silicate-based green phosphors in red-green-blue (RGB) backlighting and white illumination systems'20117,887,719'Phosphor systems for a white light emitting diode (LED)'20117,883,226'LED signal lamp'20117,846,862'Methanol oxidation catalyst'20107,830,434'Semiconductor color image sensor responsive at shorter wavelengths'20107,825,501'High bond line thickness for semiconductor devices'20107,820,075'Phosphor composition with self-adjusting chromaticity'20107,754,656'Production of nano-powder based combinatorial libraries'20107,755,276'Aluminate-based green phosphors'20107,746,426'Liquid crystal display comprising a wide view polarizer'20107,736,536'Compositions comprising a mixture of a BAM phosphor and at least one other hexaaluminate'20107,737,636'LED assembly with an LED and adjacent lens and method of making same'20107,723,260'Methanol oxidation catalyst'20107,703,943'Color tunable light source'20107,655,156'Silicate-based orange phosphors'20107,655,157'Doped cadmium tungstate scintillator with improved radiation hardness'20107,648,650'Aluminum-silicate based orange-red phosphors with mixed divalent and trivalent cations'20107,621,677'Optical coupler for a light emitting device with enhanced output brightness'20097,611,913'Ferroelectric rare-earth manganese-titanium oxides'20097,601,276'Two-phase silicate-based yellow phosphor'20097,597,817'Magnetic doped perovskite oxides'20097,596,812'System and method for protected data transfer'20097,575,697'Silicate-based green phosphors'20097,557,356'Camera-based x-ray digital image detector'20097,547,114'Multicolor illumination device using moving plate with wavelength conversion materials'20097,541,728'Display device with aluminate-based green phosphors'20097,522,915'Method and apparatus to facilitate alternative modes of operation for a portable communication device'20097,432,006'Electrochemical probe for screening multiple-cell arrays'20087,399,428'Compositions comprising high light-output yellow phosphors and their methods of preparation'20087,390,437'Aluminate-based blue phosphors'20087,351,444'Low platinum fuel cell catalysts and method for preparing the same'20087,311,858'Silicate-based yellow-green phosphors'20077,279,120'Doped cadmium tungstate scintillator with improved radiation hardness'20077,267,787'Phosphor systems for a white light emitting diode (LED)'20077,250,648'Ferroelectric rare-earth manganese-titanium oxides'20076,911,129'Combinatorial synthesis of material chips'20056,809,516'Passive magnetic field sensors having magnetostrictive and piezoelectric materials'20046,809,515'Passive solid-state magnetic field sensors and applications therefor'20046,641,940'Low loss dielectric materials for microwave applications'20036,580,271'Magnetic field sensors'20036,525,546'Capacitive displacement sensor'20036,498,549'Dual-tuning microwave devices using ferroelectric/ferrite layers'20026,463,186'Magnetically controlled optical switch and optical attenuator'20026,437,558'Passive solid-state magnetic field sensors and applications therefor'20026,337,991'Large temperature coefficient of resistance material'20026,279,406'Passive solid-state magnetic field sensors and applications therefor'20016,060,433'Method of making a microwave device having a polycrystalline ferrite substrate'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2004Based in Tewksbury, MA, US· patent location history
2002–2020Patents assigned to INTEMATIX CORP (127)· patent assignee history
2002–2005Based in Orinda, CA, US· patent location history
2003–2012Based in Walnut Creek, CA, US· patent location history
2009–2020Based in Danville, CA, US· patent location history
2011–2017Patents assigned to LI YI-QUN (43)· patent assignee history
2011–2016Patents assigned to LI YI (11)· patent assignee history
2011–2014Patents assigned to YANG HAITAO (8)· patent assignee history
2012–2017Patents assigned to DONG YI (11)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTEMATIX CORP | 127 | 2002–2020 |
| LI YI-QUNself | 43 | 2011–2017 |
| DONG YI | 11 | 2012–2017 |
| LI YIself | 11 | 2011–2016 |
| YANG HAITAO | 8 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Danville, California, US | 109 | 2009–2020 |
| Walnut Creek, California, US | 15 | 2003–2012 |
| Beijing, CN | 5 | 2018–2020 |
| Orinda, California, US | 5 | 2002–2005 |
| Tewksbury, Massachusetts, US | 5 | 2000–2004 |