That is correct.
Chefs De France and Le Cellier both serve lunch from noon until 3pm. Then dinner begins at 4pm at le Cellier and 5pm at Chefs de France.
Here is the run down of all Epcot Lunch hours (I posted this a few days ago):
Here's the run down:
Alfredos (Italy) 12pm to 4:15pm
Nine Dragons (China) 12pm to 4:15pm
Resturant Aukershus (Norway) 12pm to 4pm
Rose and Crown (Great Britan) 12pm to 4pm
San Angel Inn (Mexico) 12pm to 4pm
Biergarten (Germany) 12pm to 3:45pm
Resturant Marrakesh (Morocco) 12pm to 3:45pm
Mitsukoshi Teppanyaki (Japan) 12pm to 3:45pm
Chefs De France (France) 12pm to 3pm
Coral Reef (Living Seas) 12pm to 3pm
Le Cellier (Canada) 12pm to 3pm