US 5,881,024 AGranted

Combination display timepiece equipped with el illumination

AssigneeCitizen Watch Co., Ltd.

InventorsKatsuo Nishimura, Yuichi Kamei

Life of this patent

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Abstract

A timepiece is equipped with a hand shaft display portion having hands and driving shafts for the hands, and a liquid crystal display portion situated above a substrate. A liquid crystal display portion support frame is situated above the substrate for supporting the liquid crystal display portion. The liquid crystal display portion support frame includes a shaft insertion hole for allowing the driving shafts to pass therethrough, a penetration window located away from the shaft insertion hole and facing the liquid crystal display portion, and a light transmission member formed at least around the shaft insertion hole. An EL element is situated under the liquid crystal display portion support frame relative to the hands. The EL element illuminates the liquid crystal display portion and the hand shaft display portion through the light transmission member when the EL element is illuminated.

Claims10

Dependent claims

A combination display timepiece equipped with EL illumination comprising:

a substrate,
a hand shaft display portion disposed above the substrate and having hands and driving shafts for the hands,
a liquid crystal display portion situated above the substrate,
a liquid crystal display portion support frame situated above the substrate for supporting the liquid crystal display portion, said liquid crystal display portion support frame including a shaft insertion hole for allowing the driving shafts to pass therethrough, a penetration window located away from the shaft insertion hole and facing the liquid crystal display portion, and a light transmission member formed at least around the shaft insertion hole, and
an EL element situated under the liquid crystal display portion support frame relative to the hands, said EL element illuminating the liquid crystal display portion and the hand shaft display portion through the light transmission member when the EL element is illuminated.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/860,056Filed 16 Jun 1997
Priority: JP 7-26814317 Oct 1995
Granted: 9 Mar 1999
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

G04G 9/0082
Visual time or date indication means: by building-up characters using a combination of indicating elements and by selecting desired characters out…
G04B 19/30
Indicating the time by visual means: illumination of dials or hands
G04G 9/0041
Constructional: illumination devices
G04G 9/0052
Electrical, e.g. selection or application of the operating voltage: using means to adjust the display in accordance with the ambient light, e.g.…