Formation of an electrochromic display layer

Details Formation of an electrochromic display layer Formation of an electrochromic display layer

1980-02-13

1982-08-31

Gron, Teddy S.

Coating processes

Electrical product produced

Transparent base

29570, 29592R, 252408, 350357, 427110, 4271262, 4271263, 427164, 427165, 427168, 427169, 427226, 427227, G02F 117

Patent

active

043472656

ABSTRACT:
An electrochromic display cell comprises two opposing glass substrates, transparent electrodes formed on the glass substrates, electrochromic layers formed on the transparent electrodes, and a liquid electrolyte disposed in the cell. The electrochromic layer is formed in the following manner. A metal compound such as tungsten chloride (WCl.sub.6) is dissolved in an organic solvent such as an alcohol to obtain an organic solution including hydroxide (W(OH).sub.6). The organic solution is painted on the transparent electrode and, then calcined to obtain the electrochromic layer including tungsten oxide (WO.sub.3).

REFERENCES:
patent: 4175837 (1979-11-01), Yamo et al.
patent: 4233339 (1980-11-01), Leibowitz et al.
patent: 4266335 (1981-05-01), Matsumoto et al.

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