Owner SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventors YAMAZAKI, Shunpei; OSAME, Mitsuaki

Pub. Number AU-A-2003264515

PCT Number PCT/JP03/11977

PCT Pub. Number WO2004/027740

Priority 2002-276295 20.09.02 JP

Filing date 19 September 2003

Wipo publication date 8 April 2004

G09F 009/30 Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements - in which the desired character or characters are formed by combining individual elements

G09F 009/00 Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

G02F 001/1368 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating

H05B 033/14 Electroluminescent light sources - characterised by the chemical or physical composition or the arrangement of the electroluminescent material

H01L 021/3205 Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

H01L 021/28 Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

H01L 021/285 Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

H01L 029/423 Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier

H01L 029/786 Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier