TPO HONG KONG HOLDING LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 3895
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 34117
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 30332
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 5200
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
H03K PULSE TECHNIQUE 2129
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8547508 Liquid crystal display device with an anisotropically reflecting layer and manufacturing method for the sameDec 11, 03Oct 01, 13[G02F]
8535963 Method for manufacturing electronic device and electronic deviceMar 12, 12Sep 17, 13[H01L]
8477130 Display deviceMay 09, 06Jul 02, 13[G09G]
8294853 Color filter with optical transmissive step-forming layer and its manufacturing method, and a liquid crystal display device using the color filterJul 14, 05Oct 23, 12[G09G, G02F]
8284122 Matrix addressing method and circuitry and display device using the sameMay 09, 06Oct 09, 12[G09G]
8253915 Method for manufacturing cell and cell manufactured by such methodFeb 17, 04Aug 28, 12[G02F]
8134162 Method for manufacturing electronic device and electronic deviceDec 24, 03Mar 13, 12[H01L]
8026888 Voltage supplying deviceJul 28, 04Sep 27, 11[G09G]
8023081 Liquid crystal display deviceJun 08, 06Sep 20, 11[G02F]
7993804 Color filter structure and display device using the color filter, and manufacturing method thereofAug 03, 06Aug 09, 11[G02B, G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0079,711 LIQUID CRYSTAL DISPLAY DEVICE EQUIPPED WITH A PHOTOVOLTAIC CONVERSION FUNCTIONAbandonedJun 16, 06Apr 01, 10[G02F]
7616276 Light recycling in a transflective LCDExpiredSep 15, 04Nov 10, 09[G02F]
7599029 Liquid crystal display device having a parallel alignment type liquid crystal layerExpiredMay 20, 05Oct 06, 09[G02F]
7543950 Diffuse reflector for a liquid crystal display deviceExpiredNov 26, 02Jun 09, 09[G02B]
2009/0135,170 DISPLAY DEVICEAbandonedNov 28, 07May 28, 09[G06F]
7524688 Active matrix display devices and the manufacture thereofExpiredMay 15, 03Apr 28, 09[H01L]
7477270 Active matrix display deviceExpiredMay 21, 04Jan 13, 09[G09G]
2009/0002,355 Active Matrix Liquid Crystal Display Device and Method of Driving the SameAbandonedSep 22, 05Jan 01, 09[G09G]
2008/0278,459 Display DeviceAbandonedOct 13, 05Nov 13, 08[G06F]
7440053 Transflective liquid crystal display device and method of manufacturing the sameExpiredApr 10, 03Oct 21, 08[G02F]
2008/0252,588 Column Electrode Driving Circuit and Display Device Using ItAbandonedFeb 24, 06Oct 16, 08[G09G]
2008/0252,962 Electronic Ink Display Device and Method for Manufacturing the SameAbandonedNov 22, 05Oct 16, 08[G02F]
2008/0218,135 Voltage Supplying Device and an Image Display DeviceAbandonedFeb 18, 05Sep 11, 08[G05F]
2008/0211,999 Transflective Liquid Crystal Display DeviceAbandonedSep 15, 05Sep 04, 08[G02F]
2008/0198,306 Transflective Liquid Crystal Display DeviceAbandonedJul 27, 04Aug 21, 08[G02F]
7382176 Charge pump circuitExpiredDec 24, 03Jun 03, 08[H02M]
2008/0079,684 Display device comprising an integrated gate driverAbandonedOct 03, 06Apr 03, 08[G09G]
2008/0030,231 Level Shifter and Voltage Converting DeviceAbandonedAug 31, 05Feb 07, 08[H03K]
2008/0013,009 Color Liquid Crystal Display DeviceAbandonedDec 26, 05Jan 17, 08[G02F]
2007/0263,288 Diffusive Reflecting Structure and Its Manufacturing Method, and Display Device Using ItAbandonedDec 06, 05Nov 15, 07[G03C]

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