Alternate lighting of surfaces

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Alternate lighting of surfaces (ALiS) is type of plasma display technology jointly developed by Fujitsu and Hitachi in 1999.^[1]^[2] Alternate lighting of surfaces uses an interlaced scanning method rather than a progressive one. This technique allows native lower resolution plasma display panels to display at higher resolutions. This technique also helps in prolonging panel life and power consumption reductions. ^[3]^[4]^[5]^[6]^[7]^[8]

References

^ Fujitsu General – Fujitsu’s Display Innovations
^ HITACHI – 1080P Full HD ALIS Panel Archived 2010-02-27 at the Wayback Machine
^ PCTechGuide.com – ALiS
^ CNET - ALiS (alternate lighting of surfaces)^{[permanent dead link‍]}
^ Webopedia Computer Dictionary – What is ALiS?
^ Google Books – Newnes Guide to Television and Video Technology By K. F. Ibrahim, Eugene Trundle
^ UltimateAVMag.com - Hey, ALIS! Archived 2011-07-17 at the Wayback Machine
^ Hitachi.com - Environmental Sustainability Report 2004 - 3. Wooo Series Plasma Television Archived 2011-01-03 at the Wayback Machine

Fujitsu

Divisions and
subsidiaries

Current	Amdahl Corporation Fujitsu Client Computing Fujitsu Computer Products of America Fujitsu Consulting Fujitsu Consulting India Fujitsu Laboratories Fujitsu Semiconductor Fujitsu Technology Solutions Glovia Services Nifty Corporation
Former and defunct	FANUC⁴ HAL Computer Systems¹ International Computers Limited¹ Nantong Fujitsu Microelectronics³ Ross Technology¹

Joint ventures and
shareholdings

Current	General Airconditioners TranSys (20%) PFU (20%) Denso Ten (14%)
Former and defunct	Fujitsu Siemens Computers² Spansion³ Socionext⁴

Products, services
and standards

Current	ALiS BCeSIS BS2000 Enon Global Cloud Platform HOAP Macroscope OpenFT SESAM VM2000 Processors: A64FX FR FR-V SPARC64 X+ SPARC64 XIfx Supercomputers and servers: Fugaku K computer Primergy Primequest Business computers: Celsius Lifebook
Defunct	Corporate Headquarters Office Technology System DC/OSx Eagle FLEPia FM Towns FM Towns Marty FM Towns games FM-7 FM-8 FM-11 iPAD Micro 16s Pocket LOOX SINIX SPARC Enterprise SPARC64 TurboSPARC VP VP2000

People

Places

Shiodome City Center

Other

¹Now integrated into other Fujitsu divisions or business groupings
²Now wholly owned
³Sold
⁴Spun off

Category
Commons

Hitachi

Divisions and
subsidiaries

Current	GlobalLogic Hitachi Cable Hitachi Cable Manchester Hitachi Canadian Industries Hitachi Capital Hitachi Construction Machinery Bradken Hitachi Construction Machinery (Europe) Hitachi Consulting Hitachi Data Systems (BlueArc) Hitachi Electronics Hitachi Energy Hitachi Medical Systems Hitachi Rail Hitachi Rail STS Hitachi Rail Italy Horizon Nuclear Power JECS
Former	Clarion Euclid Trucks¹ Fabrik¹ Hitachi Global Storage Technologies² Maxell

Joint ventures and
shareholdings

Current	GE Hitachi Nuclear Energy (40%) Hitachi Astemo (66.6%) Keihin Nissin Showa Tokico Hitachi-LG Data Storage Johnson Controls-Hitachi Air Conditioning (40%) Tata Hitachi Construction Machinery (60%)
Former	Agility Trains Alaxala Networks Japan Display Casio Hitachi Mobile Communications Nippon Columbia Renesas Electronics

Products, services
and standards

Current	ALiS EMIEW Adaptable Modular Storage 2000 Hitachi Starboard Locomotives Hitachi Magic Wand Multiple units Hitachi 917 Hitachi SR8000 Hitachi TrueCopy LS-R M8 Stacked Volumetric Optical Disk SuperH Universal Storage Platform
Defunct	D-VHS H8 Family HD64180 HITAC HITAC S-810 Hitachi 6309 Deskstar Hitachi Flora Prius Hitachi G1000 Hitachi Hatsukaze Hitachi SR2201 Hitachi T.2 Hitachi TR.1 M6 Microdrive Travelstar

People

Places

Other

¹Now integrated into other Hitachi divisions or business groupings ²Sold to Western Digital

Category
Commons

Display technology

Video displays

Past generation	Eidophor Cathode-ray tube (CRT) Jumbotron Electroluminescent display (ELD) Rear-projection display Plasma display panel (PDP) ALiS
Current generation	Quantum dot display (QLED) Electronic paper E Ink Gyricon Light-emitting diode display (LED) Organic light-emitting diode (OLED) Active-Matrix Organic light-emitting diode (AMOLED) Liquid-crystal display (LCD) TFT TN IPS LED-backlit Blue Phase Digital light processing (DLP) Liquid crystal on silicon (LCoS)
Next generation	microLED Electroluminescent Quantum Dots (ELQD/QD-LED) Organic light-emitting transistor (OLET) Surface-conduction electron-emitter display (SED) Field-emission display (FED) Laser TV Quantum dot Liquid crystal MEMS display IMoD TMOS Ferroelectric liquid crystal display (FLCD) Thick-film dielectric electroluminescent technology (TDEL) Laser-powered phosphor display (LPD)

Non-video

Electromechanical
- Flip-dot
- Split-flap
Eggcrate
Fiber-optic
Nixie tube
Vacuum fluorescent display (VFD)
Light-emitting electrochemical cell (LEC)
Lightguide display
Dot-matrix display
Seven-segment display (SSD)
Eight-segment display
Nine-segment display
Fourteen-segment display (FSD)
Sixteen-segment display (SISD)

3D display

Static media

Display capabilities

Comparison of display technology

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